CN113645392B - Camera with radar assembly - Google Patents
Camera with radar assembly Download PDFInfo
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- CN113645392B CN113645392B CN202110998199.1A CN202110998199A CN113645392B CN 113645392 B CN113645392 B CN 113645392B CN 202110998199 A CN202110998199 A CN 202110998199A CN 113645392 B CN113645392 B CN 113645392B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/02—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S13/00
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- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Radar Systems Or Details Thereof (AREA)
Abstract
The present application provides a camera having a radar assembly. The camera comprises a shell assembly, a radar assembly, a dome camera assembly and a control assembly. The housing assembly includes a top, a bottom, and a side wall connected between the top and the bottom. The radar component is assembled on the side wall and inclines downwards relative to the vertical direction, and the radar component is used for collecting radar signals of a target object. The ball machine assembly is movably assembled at the bottom of the shell assembly. The control assembly is assembled inside the shell assembly and is in communication connection with the radar assembly and the dome camera assembly, and the control assembly controls the dome camera assembly to move and collects video images of the target object according to the radar signals collected by the radar assembly. The camera has a modularized mounting structure, so that the radar component is arranged in the camera, the appearance structure of the camera is compact, and the integration of radar detection and visual monitoring can be realized.
Description
Technical Field
The application relates to the technical field of monitoring, in particular to a camera with a radar assembly.
Background
In the field of surveillance, cameras are common surveillance devices. The camera detects the target by using the video image, and the acquired video image can reflect the visual characteristics of the target object. However, the camera has a high false alarm rate, is easily affected by an interfering object, and cannot be normally used. The radar component is used as a sensor commonly used in the market and is used for realizing a detection target. There is therefore a need for a camera with a radar assembly.
Disclosure of Invention
The application provides a camera with radar components, this camera has modular mounting structure to place the camera in making radar components, make camera outward appearance compact structure, can realize the integration of radar detection and visual monitoring.
A camera having a radar assembly, comprising:
a photographing assembly configured to be capable of pitching rotation;
an annular housing assembly having an axis, the housing assembly including a first mounting plate having a first diameter coupled to the camera assembly, a second mounting plate having a second diameter opposite the first mounting plate, a side wall coupling the first and second mounting plates, wherein the second diameter is no less than the first diameter, the side wall having a radially extending mounting opening; and
the radar component is arranged at the mounting opening of the side wall, so that the side wall of the shell component forms a sealing curved surface.
Optionally, the camera further includes:
the top cover is coaxial with the axis, is arranged above the second mounting plate and is provided with a cable penetrating hole;
a control assembly including a processor, the control assembly being disposed within the housing assembly proximate the second mounting plate;
the cable of the radar component is electrically connected with the control component, and the cable of the control component penetrates out of the cable penetrating hole of the top cover and is used for receiving a power supply provided by external equipment.
Optionally, the radar component includes:
a radar assembly housing including a front cover having a convex curved surface;
the radar mainboard is provided with a radar sensor;
the radar board fixing frame is used for supporting the radar main board;
the curvature of the convex curved surface of the front cover is defined by the curvature of the sidewall.
Optionally, the radar sensor is defined as: the detection surface of the radar sensor and the axis of the shell component form an acute angle, the acute angle is determined by the preset physical installation height of the shooting component, and the acute angle enables the coincidence degree between the detection area of the radar sensor and the monitoring area of the shooting component to meet a preset threshold value; the acute angle is an included angle of 2-10 degrees.
Optionally, the acute angle is defined as: the acute angle is such that the following formula holds:
wherein:
g1- - -radar maximum gain;
g2-radar minimum gain;
h-camera installation height;
theta1 — inclination of the radar maximum gain G1 with respect to the ground;
theta 2-inclination of the minimum gain G2 of the radar with respect to the ground.
Optionally, the camera further includes a horizontal driving assembly disposed inside the housing assembly, and the horizontal driving assembly is configured to drive the shooting assembly to horizontally rotate around the axis in response to a received orientation control signal generated by the processor according to a radar signal detected by the radar sensor, so that a horizontal monitoring area of the shooting assembly covers a target corresponding to the detected radar signal.
Optionally, the radar component further includes:
the heat dissipation assembly is arranged on one side, back to the radar sensor, of the radar main board;
the radar component shell further comprises a rear shell, the rear shell and the front cover form an accommodating cavity, and the heat dissipation component and the radar main board are arranged in the accommodating space;
and the outer surface of the rear shell is provided with radiating fins so as to transfer the heat received by the radiating component from the radar sensor to the radiating fins for radiating.
Optionally, the housing assembly includes a top box, the top box is formed with an accommodating cavity and a cable through hole communicated with the accommodating cavity, the control assembly is accommodated in the accommodating cavity, the radar assembly includes a cable, one end of the cable is electrically connected with the radar main board, the other end of the cable penetrates into the accommodating cavity from the cable through hole and is electrically connected with the control assembly, and the cable is fixed in the cable through hole.
A camera having a radar assembly, comprising:
a housing assembly including a top, a bottom, and a side wall connected between the top and the bottom;
the radar component is assembled on the side wall and inclines downwards relative to the vertical direction, and is used for collecting radar signals of a target object;
the ball machine assembly is movably assembled at the bottom of the shell assembly; and
the control assembly is assembled inside the shell assembly and is in communication connection with the radar assembly and the dome camera assembly, and the control assembly controls the dome camera assembly to move and collects video images of the target object according to the radar signals collected by the radar assembly.
Optionally, the radar assembly has a downward inclination angle with respect to the vertical ranging from 5 ° to 8 °.
Optionally, the radar assembly comprises a guide structure and a pre-tightening structure, the housing assembly comprises a guide matching structure and a pre-tightening matching structure, the guide structure is in sliding fit with the guide matching structure along the direction of the side wall where the radar assembly is installed, the guide structure is in sliding fit with the guide matching structure, and the pre-tightening structure is connected with the pre-tightening matching structure in a matched mode at the tail end of the guide structure in sliding fit with the guide matching structure, so that the radar assembly is pre-installed on the housing assembly.
Optionally, the radar subassembly still including be used for with casing subassembly fixed connection's connection structure, connection structure is equipped with the multiunit, and at least part sets up the top and the bottom of radar subassembly set up in wherein three of the top and the bottom of radar subassembly connection structure is triangular distribution, pretension structure is equipped with the multiunit, and at least part sets up the top and the bottom of radar subassembly, set up in wherein three of the top and the bottom of radar subassembly pretension structure is triangular distribution.
Optionally, the three connecting structures are distributed in a chamfer shape, and the three pre-tightening structures are distributed in a regular triangle shape; and/or
One of the guide structure and the guide matching structure comprises a guide post, the other guide structure comprises a guide hole, and the guide post is in sliding fit with the guide hole along the direction of the radar assembly installed in the side wall; and/or
The pre-tightening structure is connected with the pre-tightening matching structure in a clamping manner; and/or
The connecting structure is a detachable connecting structure.
Optionally, the housing assembly includes a top box, the top box is formed with an accommodating cavity and a cable through hole communicated with the accommodating cavity, the control assembly is accommodated in the accommodating cavity, the radar assembly includes a radar main board and a cable, one end of the cable is electrically connected with the radar main board, the other end of the cable penetrates into the accommodating cavity from the cable through hole and is electrically connected with the control assembly, and the cable is fixed in the cable through hole.
Optionally, the cable includes a main cable and a patch cord connected in series, the main cable includes a cable body and a cable connector disposed at an end of the cable body, one end of the cable body is electrically connected to the radar main board, the other end of the cable body is electrically connected to the cable connector, the cable connector is sealed and fixedly connected to the top box in the cable through hole, one end of the patch cord is electrically connected to the cable connector, and the other end of the patch cord is electrically connected to the control component.
Optionally, the cable connector includes at least one protrusion protruding from an outer surface, the top box includes an assembly hole and an assembly groove disposed at an outer edge of the cable through hole, the assembly hole and the assembly groove are distributed around an axis of the cable through hole, the assembly hole penetrates through the outer edge of the cable through hole along an axial direction of the cable through hole and is communicated with the cable through hole, the assembly groove does not penetrate through the outer edge of the cable through hole along the axial direction of the cable through hole, the assembly groove is communicated with the cable through hole and the assembly hole, the assembly hole allows the protrusion to be inserted into the accommodating cavity, and the protrusion is fixed in the assembly groove.
Optionally, the radar subassembly includes radar subassembly shell and accept in radar mainboard and radiator unit in the radar subassembly shell, radiator unit with the radar mainboard and the joint of radar subassembly shell is used for with the heat transfer of radar mainboard gives the radar subassembly shell, the radar subassembly shell includes a plurality of radiating fin that are formed at the surface.
Optionally, the side wall includes a mounting opening, and the radar assembly is assembled in the mounting opening and is flush with the outer surface of the side wall; and/or
The plurality of radar assemblies are arranged on the side wall at intervals along the circumferential direction; and/or
The ball machine component horizontally rotates and pitching rotates relative to the shell component, the horizontal rotation angle is 360 degrees, and the pitching rotation angle is-20 to 90 degrees.
The technical scheme provided by the application can at least achieve the following beneficial effects:
the application provides a camera with radar component, wherein, control assembly and radar group and ball machine subassembly communication connection, radar component are used for gathering the radar signal of target object, control assembly basis radar component gathers radar signal control ball machine subassembly action and collection the video image of target object. Therefore, the radar component is arranged in the camera, so that the camera has a modular installation structure, the appearance structure of the camera is compact, and the integration of radar detection and visual monitoring can be realized. In addition, through the combined application of radar components and dome camera components, the linkage of radar components and dome camera components is realized, when suspicious targets appear in a monitored area, radar signals of target objects can be monitored by the radar components, the radar signals are transmitted to the control components, the control components control the dome camera components to automatically draw close for tracking and capturing, video images of the target objects are collected, and the functions of perimeter early warning and automatic feature capturing under an unattended scene are realized. Moreover, the radar assembly is strong in penetrating capacity, not limited by the influence of severe weather environments such as rainstorm and haze, and high in early warning reliability. Secondly, in order to filter interference of small targets (leaves, small animals and the like), the small targets can be ignored through deep learning, and the false alarm rate is reduced. In addition, the radar subassembly sets up for vertical direction downward sloping to guarantee that the radar subassembly realizes the coverage of the L meters scope in the place ahead under mounting height H, improves the accuracy of surveying.
Drawings
FIG. 1 is a schematic view of a camera shown in an exemplary embodiment of the present application;
FIG. 2 is an exploded view of the camera shown in FIG. 1;
FIG. 3 is a schematic view of the installation of the camera shown in FIG. 1;
FIG. 4 is a schematic diagram of shaped target calculation;
FIG. 5 is a schematic view of the radar assembly shown in FIG. 2;
fig. 6 is an exploded view of a partial structure of the video camera shown in fig. 1;
FIG. 7 is an exploded view of the radar assembly shown in FIG. 2;
fig. 8 is a sectional view of the camera portion shown in fig. 1;
FIG. 9 is a schematic view of the protrusion of the cable lug being inserted into the receiving cavity from the mounting hole;
fig. 10 is a schematic view of the protrusion of the cable lug rotated to correspond to the mounting slot.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with aspects of the present application.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. As used in this application, the terms "first," "second," and the like, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. Similarly, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one, and if only "a" or "an" is denoted individually. "plurality" or "a number" means two or more. Unless otherwise specified, "front", "back", "lower" and/or "upper", "top", "bottom", and the like are for ease of description only and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that the element or item listed as preceding "comprising" or "includes" covers the element or item listed as following "comprising" or "includes" and its equivalents, and does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect.
Referring to fig. 1, fig. 1 is a schematic diagram of a video camera 100.
The embodiment of the application provides a camera 100 with a radar component, and the camera 100 adopts the combined application of the radar component 10 and the shooting component 20, so that the functions of perimeter early warning and automatic feature capture in an unattended scene can be realized. Moreover, the radar assembly 10 is high in penetrating capacity, not limited by the influence of severe weather environments such as rainstorm and haze, and high in early warning reliability.
Referring to fig. 2, fig. 2 is an exploded view of the video camera 100 shown in fig. 1.
Specifically, the camera 100 includes a radar assembly 10, a camera assembly 20, a housing assembly 30, and a control assembly 40 including a processor. The housing assembly 30 includes a top 31, a bottom 32, and a side wrap 33 connected between the top 31 and the bottom 32. The radar assembly 10 is assembled on the side wall 33 of the casing assembly 30, and is fixed relative to the side wall 33, and the camera assembly 20 is movably assembled on the bottom 32 of the casing assembly 30. In one embodiment, the housing assembly 30 is configured as a ring structure having an axis and the camera assembly 20 is configured as a ball machine.
In one embodiment, the housing assembly 30 includes a top box 34 and a top cap 35 coupled to the top of the top box 34, the top cap 35 may be provided as a ring structure having an axis, and the axis of the top cap 35 may be coaxial with the axis of the housing assembly 30. A top cover 35 is assembled over second mounting plate 3402, the top cover 35 is connected to second mounting plate 3402 by means including, but not limited to, bolting, and top cover 35 forms top portion 31 of housing assembly 30. The central region of the top cover 35 is provided with a mounting structure 351, and the camera 100 is mounted in a monitoring scene through the mounting structure 351, and the mounting mode can be a hoisting mode. The top cover 35 is also provided with a cable hole 352, and the cable hole 352 is formed at a hollow position of the mounting structure 351.
In one embodiment, the top box 34 is a separate body, and includes a box 340 and a box 341 hermetically connected to the top of the box 340, and the connection between the box 340 and the box 341 includes, but is not limited to, a bolt connection. The top cap 35 is connected to the cap 341. The box body 340 and the box cover 341 together define a receiving cavity 342, and the control assembly 40 is received in the receiving cavity 342 and is close to the area where the second mounting plate 3402 is located. The bottom end of the case body 340 is formed as the bottom 32 of the case assembly 30, the bottom 32 is formed as the first mounting plate 3401 having a disc-shaped structure with a first diameter, the top of the case body 340 is formed as the second mounting plate 3402 having a disc-shaped structure with a second diameter not smaller than the first diameter, and the photographing assembly 20 is movably coupled to the bottom 32 of the case body 340, i.e., below the first mounting plate. In this embodiment, the photographing assembly 20 is installed at a middle position below the first mounting plate and is configured to be capable of tilting.
In one embodiment, the housing assembly 30 further includes a sunshade 36 surrounding the top box 34, the top end of the sunshade 36 engaging the top end of the box body 340, and more particularly the second mounting plate 3402, the bottom end of the sunshade 36 engaging the bottom end of the box body 340, and more particularly the first mounting plate 3401, the sunshade 36 forming the side enclosure 33 of the housing assembly 30.
The control assembly 40 may be electrically connected to the radar assembly 10 through a cable to realize communication between the control assembly 40 and the radar assembly 10, and the cable connected to the control assembly 40 passes through the cable hole 352 on the top cover 35 to receive power provided by an external device. The control assembly 40 is also electrically connected with the shooting assembly 20, and signal transmission between the control assembly 40 and the shooting assembly 20 is realized. The radar component 10 is used for collecting radar signals of a target object, and the control component 40 controls the shooting component 20 to act and collect video images of the target object according to the radar signals collected by the radar component 10. Therefore, the radar assembly 10 and the shooting assembly 20 are combined and applied, and the radar assembly 10 is arranged in the camera 100, so that the camera 100 has a modular installation structure, the appearance structure of the camera 100 is compact, and the integration of radar detection and visual monitoring can be realized. Moreover, the camera 100 realizes linkage of the radar component 10 and the shooting component 20, when a suspicious target appears in a monitored area, the radar component 10 can monitor radar signals of a target object and transmit the radar signals to the control component 40, the control component 40 controls the shooting component 20 to automatically zoom in for tracking and capturing, video images of the target object are collected, and the functions of perimeter early warning and automatic feature capturing in an unattended scene are realized. Moreover, the radar assembly is strong in penetrating capacity, not limited by the influence of severe weather environments such as rainstorm and haze, and high in early warning reliability. Secondly, in order to filter interference of small targets (leaves, small animals and the like), the small targets can be ignored through deep learning, and the false alarm rate is reduced.
In the embodiment shown in fig. 2, the side panel 33 includes a mounting opening 330, the mounting opening 330 can extend through the side panel 33 along the thickness direction of the side panel 33, and the mounting opening 330 can be considered as extending along the radial direction of the shell assembly 30 and extending through the side panel 33. The radar component 10 is assembled in the mounting opening 330, and is kept flush with the outer surface of the side wall 33, so that the side wall 33 of the shell component 30 forms a sealing curved surface, and therefore, the appearance simplicity and cleanliness of the camera 100 can be improved, and the appearance structure is simpler and more compact. The number of the radar assemblies 10 is not limited, one or more radar assemblies may be provided, in the embodiment shown in fig. 2, a plurality of radar assemblies 10 are provided, and the plurality of radar assemblies 10 are assembled on the side wall 33 at intervals along the circumferential direction, so that the radar assemblies 10 can realize 360-degree omnibearing monitoring, and the monitoring area range is wider. A plurality of radar assemblies 10 may be uniformly distributed, and in fig. 2, four radar assemblies 10 are provided, and two radar assemblies are arranged at an interval of 90 °. Of course, in other implementations, the number of radar assemblies 10 may be more than four or less than four. The side wall 33 may be provided with a plurality of mounting openings 330, which correspond to the plurality of radar assemblies 10 one by one.
In one embodiment, the camera assembly 20 is configured to rotate horizontally (in the X direction in fig. 2). In an alternative embodiment, the camera assembly 20 is rotated horizontally through an angle of 360 °. Specifically, the camera 100 further includes a horizontal driving assembly (not shown) disposed inside the housing assembly 30, and configured to drive the camera assembly 20 to horizontally rotate around the axis of the housing assembly 30 in response to a received orientation control signal generated by the processor according to a radar signal detected by the radar sensor, so that a horizontal monitoring area of the camera assembly 20 covers a target corresponding to the detected radar signal.
In one embodiment, the camera assembly 20 is configured to tilt (Y direction in fig. 2). In an alternative embodiment, the tilt angle of the camera assembly 20 is between-20 and 90. Specifically, the camera 100 further includes a tilting driving assembly (not shown) disposed inside the housing assembly 30, and the tilting driving assembly is configured to drive the camera assembly 20 to tilt in response to a received orientation control signal generated by the processor according to a radar signal detected by the radar sensor, so that a vertical monitoring area of the camera assembly 20 covers a target corresponding to the detected radar signal.
Referring to fig. 3 and 4, fig. 3 is a schematic view illustrating an installation of the video camera 100 shown in fig. 1. Fig. 4 is a schematic diagram illustrating calculation of the shaped target.
wherein:
g1- - -radar maximum gain;
g2-radar minimum gain;
h- -installation height of the camera 100;
theta1 — inclination of the radar maximum gain G1 with respect to the ground;
theta 2-inclination of the minimum gain G2 of the radar with respect to the ground.
It should be noted that in the range of the blind zone of S meters in the close distance, the blind zone can be compensated by a visual algorithm.
Referring to fig. 5 and 6, fig. 5 is a schematic diagram of the radar assembly 10. Fig. 6 is an exploded view showing a part of the structure of the video camera 100.
In one embodiment, the radar assembly 10 includes a guiding structure 101 and a pre-tightening structure 102, the housing assembly 30 includes a guiding engagement structure 301 and a pre-tightening engagement structure 302, and the guiding structure 101 is slidably engaged with the guiding engagement structure 301 along a direction in which the radar assembly 10 is installed in the side wall 33. So, through guide structure 101 and the cooperation of direction mating structure 301, can realize radar component 10 and side wall 33's cooperation direction for radar component 10 is more accurate at the mounted position of side wall 33. The specific embodiment of the guide structure 101 and the guide engagement structure 301 is not limited. In a specific embodiment, one of the guiding structure 101 and the guiding engagement structure 301 is configured as a guiding post, and the other is configured as a guiding hole, and the guiding post is inserted into the guiding hole along the direction of the radar assembly 10 installed in the side wall 33, so as to achieve guiding engagement. In this embodiment, the radar component 10 is provided with a guide post, and the side wall 33 is provided with a guide hole. One or more guide structures 101 may be provided, and the arrangement position is not limited. The guide fitting structures 301 may be provided in plural, and are provided in one-to-one correspondence with the guide structures 101.
At the end of the guiding structure 101 sliding fitted with the guiding fitting structure 301, the pre-tightening structure 102 is coupled with a pre-tightening fitting structure 302. The pre-tightening structure 102 is matched with the pre-tightening matching structure 302, so that the radar component 10 and the side wall 33 can be pre-tightened before being fastened, the radar component 10 is prevented from being separated from the side wall 33, and the pre-tightening structure and the side wall 33 are pre-fixed before being fastened. The specific embodiment of the pretensioning structure 102 and the pretensioning engagement structure 302 is not limited. In a specific embodiment, the pretensioning structure 102 and the pretensioning engagement structure 302 can be mated in a snap-fit manner. For example, one of the pretension structure 102 and the pretension fit structure 302 is configured as a snap, and the other is configured as a snap hole, and at the end of the sliding fit of the guide structure 101 and the guide fit structure 301, the snap is snapped in the snap hole. The pre-tightening mode is simple and convenient to disassemble and assemble. The pretensioning structure 102 can be provided in one or more positions, and the arrangement position is not limited. In this embodiment, there are a plurality of pre-tightening structures 102, and there may be a plurality of pre-tightening fitting structures 302, which are arranged in one-to-one correspondence with the pre-tightening structures 102.
With continued reference to fig. 5 and 6, the radar assembly 10 further includes a connecting structure 103 for fixedly connecting with the housing assembly 30, and the radar assembly 10 is fastened with the housing assembly 30 through the connecting structure 103, thereby achieving the fixed connection of the radar assembly 10 and the housing assembly 30. In the embodiment shown in fig. 5, the connecting structure 103 is provided in plurality and at least partially disposed on the top and bottom of the radar assembly 10. The pretensioning structure 102 is provided in plurality, at least partially on the top and bottom of the radar assembly 10. Wherein, establish at the top of radar component 10 and three of them of bottom connection structure 103 is the triangle and arranges, establish at the top of radar component 10 and three of them pretension structure 102 is the triangle and arranges, so, realize three point pretension and three point fastening, increased the stability of radar component 10 with casing subassembly 30 pretension and connection.
In an alternative embodiment, two connecting structures 103 are provided on the top of the radar module 10, and one connecting structure 103 is provided on the bottom, and three connecting structures 103 are arranged in an inverted triangle. In an alternative embodiment, the top of the radar assembly 10 is provided with one pretensioning structure 102, the bottom is provided with two pretensioning structures 102, and three pretensioning structures 102 are distributed in a regular triangle.
The specific embodiment of the connection structure 103 is not limited. In the embodiment shown in fig. 5 and 6, the connection structure 103 is provided as a detachable connection structure. In one embodiment, the connecting structure 103 includes a connecting hole 1030, the housing assembly 30 includes a fitting hole 303 corresponding to the connecting hole 1030, and the connecting hole 1030 and the fitting hole 303 are penetrated by a bolt to fix the radar assembly 10 and the housing assembly 30. In other embodiments, the connecting structure 103 may be configured as a riveted or pinned structure.
Referring to fig. 7, fig. 7 is an exploded view of the radar assembly 10.
The radar assembly 10 includes a radar assembly housing 11, a radar main board 12, a heat sink assembly 13, and a cable 14. Wherein, radar mainboard 12 and radiator unit 13 accept in radar subassembly shell 11. In the embodiment shown in fig. 7, the radar module casing 11 includes a front cover 110 and a rear cover 112 having convex curved surfaces, and the front cover 110 and the rear cover 112 together enclose a receiving cavity 113 for receiving the radar main board 12 and the heat dissipation assembly 13. Wherein, the curvature of the convex curved surface of the front cover 110 is defined by the curvature of the side wall 33, thereby ensuring the conformity between the shape of the front cover 110 and the shape of the side wall 33. A radar casing sealing ring 16 may be disposed between the front cover 110 and the rear casing 112, and the radar casing sealing ring 16 may be disposed in a sealing groove of the front cover 110 and clamped between the front cover 110 and the rear casing 112, so that the front cover 110 and the rear casing 112 are in sealing engagement, and the receiving cavity 113 forms a sealed cavity. The connection of the front cover 110 and the rear case 112 includes, but is not limited to, a screw connection.
The radar main board 12 is provided with a radar sensor (not shown), which is defined in one embodiment such that a detection surface of the radar sensor forms an acute angle with an axis of the housing assembly 30, the acute angle being determined by a preset physical installation height of the photographing assembly 20, wherein the acute angle is such that a coincidence degree between a detection area of the radar sensor and a monitoring area of the photographing assembly 20 satisfies a preset threshold value, and the acute angle is an included angle of 2 degrees to 10 degrees. The range of the acute angle may be such that equation 1 in the foregoing is true. The acute angle is equivalent to the angle of inclination alpha in fig. 3. The range of the acute angle can be selected by combining formula 1 and the test.
The radar module 10 may include a radar board holder 15, wherein the radar board holder 15 is used for supporting the radar main board 12, and the radar main board 12 is connected to the radar board holder 15. The radar board fixing frame 15 is connected to the rear case 112, thereby achieving relative fixing of the radar main board 12 and the rear case 112. The connection mode of the radar main board 12 and the radar board fixing frame 15 includes, but is not limited to, screw connection, and the connection mode of the radar board fixing frame 15 and the rear shell 112 includes, but is not limited to, screw connection.
In order to increase the contact tightness between the heat dissipation assembly 13 and the main chip, a heat conduction pad is disposed on a side of the heat dissipation assembly 13 facing the radar main board 12, the heat conduction pad can be adhered to the heat dissipation assembly 13, and the heat dissipation assembly 13 is in contact with the main chip through the heat conduction pad to make up a contact gap and improve the heat dissipation efficiency. The thermal pad may be made of a thermally conductive material, such as thermally conductive silicone or the like.
The cable 14 is inserted into the rear case 112, one end of the cable 14 is electrically connected to the radar main board 12, and the other end of the cable 14 extends out of the rear case 112 and is electrically connected to the control component 40. Specifically, the rear shell 112 is provided with a cable exit hole 1120, the cable 14 is inserted into the accommodating cavity 113 through the cable exit hole 1120, and the cable 14 and the rear shell 112 are in sealing engagement at the cable exit hole 1120. The cable 14 may be electrically connected to the radar main board 12 using a screw structure. In one embodiment, the cable 14 may be a unitary cable.
Referring to fig. 7 and 8, fig. 8 is a sectional view of a part of the structure of the video camera 100.
The top box 34 is provided with a cable through hole 343 communicating with the housing cavity 342, wherein the cable through hole 343 is opened in the box 340. The cable 14 is threaded into the accommodating cavity 342 from the cable through hole 343 and electrically connected to the control component 40, and the cable 14 is fixed in the cable through hole 343. By the arrangement, on one hand, the communication connection between the radar main board 12 and the control component 40 is realized; on the other hand, the cable 14 is fixed in the cable through hole 343, and the cable 14 can be supported by the box 340, so as to ensure the stability of the position of the cable 14, and to realize reliable transmission of signals.
In one embodiment, the cable 14 includes a main cable 140 and a patch cord 141 arranged in series, and the main cable 140 includes a cable body 1400 and a cable connector 1402 arranged at an end of the cable body 1400. One end of the cable body 1400 is electrically connected to the radar main board 12, the other end of the cable body 1400 is electrically connected to the cable connector 1402, the cable connector 1402 is fixed in the cable through hole 343 and is hermetically connected to the box 340, one end of the patch cord 141 is electrically connected to the cable connector 1402, and the other end of the patch cord is electrically connected to the control component 40. So configured, the cable 14 may be electrically connected in two sections to the control assembly 40. The main cable 140 is disposed outside the accommodating cavity 342, and the patch cord 141 is disposed inside the accommodating cavity 342, so that the bending degree of the cable 14 can be reduced, damage caused by bending of a plurality of portions of the cable 14 can be avoided, and the reliability of the electrical connection between the radar main board 12 and the control module 40 can be improved.
Referring to fig. 9 and 10, fig. 9 is a schematic view illustrating the protrusion of the cable connector 1402 inserted into the receiving cavity from the mounting hole. Fig. 10 is a schematic view showing the protrusion of the cable connector 1402 rotated to correspond to the fitting groove.
The present application is not limited to the specific manner in which the cable lug 1402 is fixed in the cable penetration 343. In one embodiment, the cable connector 1402 includes at least one protrusion 14020 protruding from an outer surface, and the case 340 includes a fitting hole 344 and a fitting groove 345 provided at an outer edge of the cable penetration hole 343, the fitting hole 344 and the fitting groove 345 being distributed around an axis of the cable penetration hole 343. Wherein the fitting hole 344 penetrates through an outer edge of the cable penetration hole 343 in an axial direction of the cable penetration hole 343 and communicates with the cable penetration hole 343. The fitting groove 345 does not penetrate the outer edge of the cable penetration hole 343 in the axial direction of the cable penetration hole 343, that is, the groove depth of the fitting groove 345 is smaller than the thickness of the outer edge of the cable penetration hole 343. The fitting groove 345 is communicated with the cable through hole 343 and the fitting hole 344, the fitting hole 344 allows the protrusion 14020 to be inserted into the accommodating cavity 342, interference with the protrusion 14020 is avoided, the protrusion 14020 can be rotated into the fitting groove 345 by a rotational force after entering the accommodating cavity 342, and the protrusion 140can be fixed in the fitting groove 345 by a screw fixing method.
In this embodiment, the protrusion 14020 is fixed by the pressing plate 346, the pressing plate 346 is disposed in the accommodating cavity 342 and connected to the box 340, and the protrusion 14020 is pressed under the pressing plate 346. In addition, in order to ensure the sealing performance at the cable penetration hole 343, a cable hole sealing ring 347 is provided between the pressing plate 346 and the projection 14020 to seal a gap between the cable penetration hole 343 and the cable fitting 1402.
The projection 14020 may be provided in plural numbers, and accordingly, the fitting hole 344 and the fitting groove 345 may be provided in plural numbers. The protrusions 14020 are inserted into the receiving cavities 342 from the corresponding mounting holes 344, rotated into the corresponding mounting grooves 345, and fixed to the case 340 by the pressing plates 346.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the scope of protection of the present application.
Claims (16)
1. A camera having a radar assembly, comprising:
a photographing assembly configured to be capable of pitching rotation;
an annular housing assembly having an axis, the housing assembly including a first mounting plate having a first diameter coupled to the camera assembly, a second mounting plate having a second diameter opposite the first mounting plate, a side wall coupling the first and second mounting plates, wherein the second diameter is no less than the first diameter, the side wall having a radially extending mounting opening; and
the radar subassembly, the radar subassembly sets up the side wall the installing port department, so that casing assembly the side wall constitutes sealed curved surface, the camera still includes:
the top cover is coaxial with the axis, is arranged above the second mounting plate and is provided with a cable penetrating hole;
a control assembly including a processor, the control assembly being disposed within the housing assembly proximate the second mounting plate;
the cable of the radar component is electrically connected with the control component, and the cable of the control component penetrates out of the cable penetrating hole of the top cover and is used for receiving a power supply provided by external equipment.
2. The camera of claim 1, wherein the radar assembly comprises:
a radar assembly housing including a front cover having a convex curved surface;
the radar mainboard is provided with a radar sensor;
the radar board fixing frame is used for supporting the radar main board;
the curvature of the convex curved surface of the front cover is defined by the curvature of the sidewall.
3. The camera of claim 2, wherein the radar sensor is defined as: the detection surface of the radar sensor and the axis of the shell component form an acute angle, the acute angle is determined by the preset physical installation height of the shooting component, and the acute angle enables the coincidence degree between the detection area of the radar sensor and the monitoring area of the shooting component to meet a preset threshold value; the acute angle is an included angle of 2-10 degrees.
4. The camera of claim 3, wherein the acute angle is defined as: the acute angle is such that the following formula holds:
wherein:
g1- - -radar maximum gain;
g2-radar minimum gain;
h-camera installation height;
theta1 — inclination of the radar maximum gain G1 with respect to the ground;
theta 2-inclination of the minimum gain G2 of the radar with respect to the ground.
5. The camera of claim 3, further comprising a horizontal drive assembly disposed within the housing assembly, the horizontal drive assembly configured to drive the camera assembly to rotate horizontally about the axis in response to receiving an orientation control signal generated by the processor based on a radar signal detected by the radar sensor, such that a horizontal monitoring area of the camera assembly covers a target corresponding to the detected radar signal.
6. The camera of claim 2, wherein the radar assembly further comprises:
the heat dissipation assembly is arranged on one side, back to the radar sensor, of the radar main board;
the radar component shell further comprises a rear shell, the rear shell and the front cover form an accommodating cavity, and the heat dissipation component and the radar main board are arranged in the accommodating cavity;
and the outer surface of the rear shell is provided with radiating fins so as to transfer the heat received by the radiating component from the radar sensor to the radiating fins for radiating.
7. The camera of claim 6, wherein the housing assembly comprises a top box, the top box is formed with a receiving cavity and a cable through hole communicated with the receiving cavity, the control assembly is received in the receiving cavity, the radar assembly comprises a cable, one end of the cable is electrically connected with the radar main board, the other end of the cable penetrates into the receiving cavity from the cable through hole and is electrically connected with the control assembly, and the cable is fixed in the cable through hole.
8. A camera having a radar assembly, comprising:
a housing assembly including a top, a bottom, and a side wall connected between the top and the bottom;
the radar component is assembled on the side wall and inclines downwards relative to the vertical direction, and is used for collecting radar signals of a target object;
the ball machine assembly is movably assembled at the bottom of the shell assembly; and
the control assembly is assembled inside the shell assembly and is in communication connection with the radar assembly and the dome camera assembly, the control assembly controls the dome camera assembly to move and collect video images of the target object according to the radar signals collected by the radar assembly, the shell assembly comprises a top box, a containing cavity and a cable perforation communicated with the containing cavity are formed in the top box, the control assembly is contained in the containing cavity, the radar assembly comprises a radar main board and a cable, one end of the cable is electrically connected with the radar main board, the other end of the cable penetrates into the containing cavity from the cable perforation and is electrically connected with the control assembly, and the cable is fixed in the cable perforation.
9. The camera of claim 8, wherein the radar assembly is tilted downward with respect to vertical by an angle in the range of 5 ° to 8 °.
10. The camera of claim 8, wherein the radar assembly comprises a guiding structure and a pre-tightening structure, the housing assembly comprises a guiding engagement structure and a pre-tightening engagement structure, the guiding structure is slidably engaged with the guiding engagement structure along a direction in which the radar assembly is installed in the side wall, and the pre-tightening structure is engaged with the pre-tightening engagement structure at an end of the guiding structure in sliding engagement with the guiding engagement structure, so that the radar assembly is pre-installed in the housing assembly.
11. The camera of claim 10, wherein the radar assembly further comprises a plurality of sets of connection structures for fixedly connecting to the housing assembly, wherein the plurality of sets of connection structures are at least partially disposed on the top and bottom of the radar assembly, three of the connection structures disposed on the top and bottom of the radar assembly are triangularly arranged, the plurality of sets of pre-tightening structures are at least partially disposed on the top and bottom of the radar assembly, and three of the pre-tightening structures disposed on the top and bottom of the radar assembly are triangularly arranged.
12. The camera of claim 11, wherein three of the connecting structures are arranged in a chamfer and three of the pre-tightening structures are arranged in a regular triangle; and/or
One of the guide structure and the guide matching structure comprises a guide post, the other guide structure comprises a guide hole, and the guide post is in sliding fit with the guide hole along the direction of the radar assembly installed in the side wall; and/or
The pre-tightening structure is matched and connected with the pre-tightening matching structure in a clamping manner; and/or
The connecting structure is a detachable connecting structure.
13. The camera of claim 8, wherein the cable comprises a main cable and a patch cord connected in series, the main cable comprises a cable body and a cable connector arranged at an end of the cable body, one end of the cable body is electrically connected to the radar main board, the other end of the cable body is electrically connected to the cable connector, the cable connector is hermetically and fixedly connected to the top box in the cable through hole, and one end of the patch cord is electrically connected to the cable connector and the other end of the patch cord is electrically connected to the control component.
14. The camera of claim 13, wherein the cable connector includes at least one protrusion protruding from an outer surface, the top box includes a fitting hole and a fitting groove provided at an outer edge of the cable through hole, the fitting hole and the fitting groove are distributed around an axis of the cable through hole, the fitting hole penetrates the outer edge of the cable through hole in an axial direction of the cable through hole and communicates with the cable through hole, the fitting groove does not penetrate the outer edge of the cable through hole in the axial direction of the cable through hole, the fitting groove communicates with the cable through hole and the fitting hole, the fitting hole allows the protrusion to be inserted into the receiving cavity, and the protrusion is fixed in the fitting groove.
15. The camera of claim 8, wherein the radar assembly includes a radar assembly housing and a radar main board and a heat sink assembly housed within the radar assembly housing, the heat sink assembly being engaged with the radar main board and the radar assembly housing for transferring heat from the radar main board to the radar assembly housing, the radar assembly housing including a plurality of heat sink fins formed on an outer surface thereof.
16. The camera of claim 8, wherein the side wall includes a mounting opening, the radar assembly being assembled within the mounting opening flush with an outer surface of the side wall; and/or
The radar assemblies are arranged on the side wall at intervals along the circumferential direction; and/or
The ball machine component horizontally rotates and pitching rotates relative to the shell component, the horizontal rotation angle is 360 degrees, and the pitching rotation angle is-20 to 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110998199.1A CN113645392B (en) | 2021-08-27 | 2021-08-27 | Camera with radar assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110998199.1A CN113645392B (en) | 2021-08-27 | 2021-08-27 | Camera with radar assembly |
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| CN113645392A CN113645392A (en) | 2021-11-12 |
| CN113645392B true CN113645392B (en) | 2023-03-24 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN204377018U (en) * | 2015-02-14 | 2015-06-03 | 河南弘金电子科技有限公司 | A kind of high definition radar interlock tracing control spherical camera |
| CN107770502B (en) * | 2017-11-21 | 2023-12-22 | 宜昌创源中新光电科技有限公司 | Panoramic image acquisition device for ocean buoy |
| CN208479775U (en) * | 2018-06-15 | 2019-02-05 | 常州市维多视频科技有限公司 | Monitoring integral type radar ball machine |
| CN110415526A (en) * | 2019-07-29 | 2019-11-05 | 北京精英路通科技有限公司 | A kind of parking monitoring device |
| CN113188021B (en) * | 2021-04-16 | 2022-12-23 | 杭州海康威视数字技术股份有限公司 | Video camera |
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