Camera

Abstract

The present application provides a camera, including a top cover assembly, a fuselage and a power assembly. The fuselage is rotatably connected to the top cover assembly so as to rotate relative to the top cover assembly along its circumferential direction. The fuselage includes a first lens. The power assembly includes a horizontal motor, a first turntable, a first synchronous belt, a second turntable, a third turntable, a second synchronous belt and a synchronous wheel. The first turntable is fixed to the output shaft of the horizontal motor, and the first synchronous belt connects the first turntable and the second turntable; the third turntable is fixed to the second turntable and forms a double-layer structure; the second synchronous belt connects the third turntable and the synchronous wheel, and the synchronous wheel is connected to the fuselage, so that the horizontal motor drives the fuselage to rotate circumferentially, the first turntable and the second turntable have different diameters, and the third turntable and the synchronous wheel have different diameters, so as to achieve a larger transmission ratio. At the same time, the power assembly occupies a smaller space, which meets the requirement of insufficient internal space of the camera.

Description

Technical Field

[0001] The present application relates to the field of video surveillance technology, and in particular to a camera. Background Art

[0002] Existing cameras use motors to drive the camera assembly to rotate to meet the needs of a larger monitoring range. When a larger transmission ratio is required, the size of the synchronous wheel must be increased. However, due to the limitation of the internal space of the camera, the demand for a larger transmission ratio cannot be met, which limits the torque amplification and creates a bottleneck for high-load transmission. Summary of the invention

[0003] The present application provides a camera with a larger transmission ratio.

[0004] An embodiment of the present application provides a camera, comprising: a top cover assembly, a body and a power assembly, wherein the body is rotatably connected to the top cover assembly so as to rotate relative to the top cover assembly along its circumferential direction, and the body comprises a first lens; the power assembly comprises a horizontal motor, a first turntable, a first synchronous belt, a second turntable, a third turntable, a second synchronous belt and a synchronous wheel, the first turntable is fixed to the output shaft of the horizontal motor, the first synchronous belt connects the first turntable and the second turntable, the third turntable is fixed to the second turntable and forms a double-layer structure, the second synchronous belt connects the third turntable and the synchronous wheel, and the synchronous wheel is connected to the body so that the horizontal motor drives the body to rotate circumferentially, the diameter of the first turntable is smaller than the diameter of the second turntable, and the diameter of the third turntable is smaller than the diameter of the synchronous wheel.

[0005] Further, a first distance between the center of the third rotating disk and the center of the synchronous wheel is adjustable.

[0006] Furthermore, a second distance between the center of the first turntable and the center of the second turntable is fixed and cannot be adjusted.

[0007] Furthermore, the power assembly includes a force-applying member, and the tension applied by the force-applying member tensions the second synchronous belt.

[0008] Furthermore, the power assembly includes a fixed seat, which is rotatably connected to one of the top cover assembly and the fuselage, and the second turntable and the third turntable are rotatably connected to the fixed seat. The force-applying member is an elastic member, one end of the elastic member is fixed to one of the top cover assembly and the fuselage, and the other end is fixed to the fixed seat to apply tension to the fixed seat so that the second synchronous belt remains tensioned.

[0009] Furthermore, the horizontal motor is fixed to the fixing seat.

[0010] Furthermore, one of the body and the fixing seat is provided with a shaft, and the other is provided with a through hole, and the shaft is rotatably assembled in the through hole.

[0011] Furthermore, one of the body and the top cover assembly is provided with a first limiting hole, the fixing seat is provided with a second limiting hole, the camera includes a fixing component, and the fixing component is assembled in the first limiting hole and the second limiting hole to limit the fixing seat on one of the body and the top cover assembly, the second limiting hole is a strip hole, and when the fixing seat rotates, the fixing component moves along the second limiting hole.

[0012] Furthermore, the fuselage is located below the top cover assembly, the fuselage forms a first cavity, the power assembly is located in the first cavity, the fuselage is provided with a first through hole, the fuselage includes a first bearing assembled in the first through hole, the outer ring of the first bearing is fixed to the fuselage, the top cover assembly includes a first rotating shaft, the first rotating shaft is fixed to the inner ring of the first bearing, and the synchronous wheel is arranged on the first rotating shaft.

[0013] Furthermore, the body includes a fixed frame and a camera assembly rotatably connected to the fixed frame, the first lens is arranged on the camera assembly, the fixed frame includes a horizontal part and a pair of vertical parts connected to the horizontal part, the horizontal part surrounds the first cavity, the camera assembly is located between the horizontal part and the pair of vertical parts, the vertical part includes a second through hole, the body includes a second bearing assembled in the second through hole, the outer ring of the second bearing is fixed to the vertical part, the camera assembly includes a second rotating shaft, the second rotating shaft is fixed to the inner ring of the second bearing, the body includes a vertical motor located in the first cavity and a third synchronous belt connecting the output shaft of the vertical motor and the second rotating shaft, and the vertical motor drives the camera assembly to pitch and roll.

[0014] The power assembly of the camera in the embodiment of the present application achieves a larger transmission ratio through the first turntable, the first synchronous belt, the second turntable, the third turntable, the second synchronous belt and the synchronous wheel. At the same time, the power assembly occupies a smaller space, which meets the requirement of insufficient internal space of the camera. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a stereogram of a camera according to an embodiment of the present application;

[0016] Figure 2 yes Figure 1 An exploded view of the camera shown;

[0017] Figure 3 yes Figure 1A schematic cross-sectional view of the camera shown;

[0018] Figure 4 yes Figure 3 An enlarged view of the circled portion at A of the cross-sectional schematic diagram shown;

[0019] Figure 5 yes Figure 2 A schematic diagram of the camera fixing bracket and the vertical motor after being assembled;

[0020] Figure 6 yes Figure 1 A schematic diagram of a top cover assembly of the camera shown;

[0021] Figure 7 yes Figure 6 An enlarged view of the circled portion at B of the top cover assembly shown;

[0022] Figure 8 yes Figure 6 a bottom view of the top cover assembly shown;

[0023] Fig. 9 yes Figure 8 An enlarged view of the circled portion at C of the top cover assembly shown;

[0024] Fig.10 yes Figure 2 The second lower cover, a portion of the fuselage and a schematic diagram of the power assembly before assembly are shown;

[0025] Fig.11 yes Fig.10 A schematic diagram of another angle of the schematic diagram shown;

[0026] Fig.12 yes Fig.10 A schematic diagram of the power assembly shown;

[0027] Fig.13 yes Fig.12 An exploded view of the power assembly shown;

[0028] Fig.14 yes Fig.12 A partial cross-sectional schematic diagram of the power assembly shown;

[0029] Fig.15 yes Figure 1 Another schematic cross-sectional view of the camera shown;

[0030] Fig.16 yes Fig.15 An enlarged view of the circled portion at position D of the cross-sectional schematic diagram shown;

[0031] Fig.17 yes Figure 2A cross-sectional schematic diagram of the first lower cover, the second lower cover and a part of the fuselage after being assembled;

[0032] Fig.18 yes Fig.17 An enlarged view of the circled portion at position E of the cross-sectional schematic diagram shown;

[0033] Fig.19 yes Figure 2 The schematic diagram of the first upper cover and the second upper cover before being assembled;

[0034] Fig. 20 yes Figure 2 The schematic diagram shown is a first upper cover, a second upper cover and a top cover before assembly. DETAILED DESCRIPTION

[0035] Here, the technical solutions in the embodiments (or "implementation methods") of the present application will be described clearly and completely in conjunction with the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements.

[0036] If there are terms involving directional indications or positional relationships in the embodiments of the present application (such as up, down, left, right, front, back, inside, outside, top, bottom, center, vertical, horizontal, longitudinal, transverse, length, width, counterclockwise, clockwise, axial, radial, circumferential, etc.), such terms are only used to explain the relative positional relationship, movement, etc. between the components under a certain specific posture (as shown in the accompanying drawings); if the specific posture changes, the directional indication or positional relationship will also change accordingly. In addition, the terms "first" and "second" in the embodiments of the present application are only used for the purpose of convenience of description and cannot be understood as indicating or implying relative importance.

[0037] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6 As shown, the camera 100 of the embodiment of the present application includes a top cover assembly 1, a body 2 and a power assembly 3. The body 2 includes a first lens 221. The body 2 is rotatably connected to the top cover assembly 1 to rotate relative to the top cover assembly 1 along its circumferential direction to adjust the monitoring range of the first lens 221.

[0038] In some embodiments, the top cover assembly 1 is used to be fixed to a fixing device (eg, a bracket or a wall, etc.) to achieve installation and fixation of the camera 100 .

[0039] In some embodiments, the power assembly 3 includes a horizontal motor 31 to drive the fuselage 2 to rotate circumferentially relative to the top cover assembly 1.

[0040] In some embodiments, the top cover assembly 1 includes a first rotating shaft 151, the fuselage 2 is provided with a first through hole 210, the fuselage 2 includes a first bearing 211 assembled in the first through hole 210, the outer ring of the first bearing 211 is fixed to the fuselage 2, and the first rotating shaft 151 is fixed to the inner ring of the first bearing 211 to ensure the smooth rotation of the fuselage 2.

[0041] In some embodiments, the first rotating shaft 151 may also be disposed on the body 2 , and correspondingly, the first through hole 210 is disposed on the top cover assembly 1 .

[0042] In some embodiments, the fuselage 2 encloses a first cavity 212 , and the power assembly 3 is located in the first cavity 212 .

[0043] In some embodiments, the top cover assembly 1 encloses a second cavity 101 , and the power assembly 3 is located in the second cavity 101 .

[0044] In some implementations, the first lens 221 is a zoom lens.

[0045] In some embodiments, the body 2 includes a fixed frame 21 and a camera assembly 22 rotatably connected to the fixed frame 21, the fixed frame 21 is rotatably connected to the top cover assembly 1, the first lens 221 is disposed on the camera assembly 22, and the fixed frame 21 includes a vertical motor 213 to drive the camera assembly 22 to pitch relative to the fixed frame 21.

[0046] In some embodiments, the fixing frame 21 includes a horizontal portion 214 and a pair of vertical portions 215 connected to the horizontal portion 214, the camera assembly 22 is located between the horizontal portion 214 and the pair of vertical portions 215, the vertical portion 215 includes a second through hole 2151, the body 2 includes a second bearing 216 assembled in the second through hole 2151, the outer ring of the second bearing 216 is fixed to the vertical portion 215, and the camera assembly 22 includes a second rotating shaft 222, and the second rotating shaft 222 is fixed to the inner ring of the second bearing 216.

[0047] In some embodiments, the horizontal portion 214 encloses a first cavity 212, the vertical motor 213 is located in the first cavity 212, and the body 2 includes a third synchronous belt 217 connecting the output shaft of the vertical motor 213 and the second rotating shaft 222. The first through hole 210 is disposed in the horizontal portion 214, and the first through hole 210 is connected to the first cavity 212.

[0048] In some embodiments, the camera assembly 22 includes a turntable 223 fixed to the second rotating shaft 222 , and the third synchronous belt 217 connects the output shaft of the vertical motor 213 and the turntable 223 .

[0049] In some embodiments, the vertical motor 213 is located within the vertical portion 215 .

[0050] In some embodiments, the top cover assembly 1 includes a main board 11 located in the second cavity 101, and the horizontal motor 31, the vertical motor 213, the first lens 221 and the second lens 102 are electrically connected to the main board 11; the first rotating shaft 151 is provided with a wire hole 1511 for the connection wire connected to the main board 11 to pass through.

[0051] In some embodiments, the body 2 includes a pair of shielding members 23 respectively fixed to the pair of vertical portions 215 to cover the vertical portions 215 and can cover the turntable 223 and the third synchronous belt 217 , so that the outer surface of the fixing frame 21 is neat.

[0052] In some embodiments, the horizontal portion 214 and the pair of vertical portions 215 are load-bearing components and are made of metal; the shielding member 23 is made of plastic, which is light in weight and low in cost.

[0053] In some embodiments, the horizontal motor 31 and the vertical motor 213 are both located in the first cavity 212 and are located on opposite sides of the first rotating shaft 151, so as to raise the distance between the center of gravity of the camera 100 and the mounting point 181 of the top cover assembly 1, which is beneficial to the balance of the center of gravity inside the camera assembly 22, reduce vibration disturbance, and improve dynamic stiffness to achieve image stability. After testing, the image stability of the camera 100 of the present application is more than doubled.

[0054] In some embodiments, the distances between the horizontal motor 31 and the vertical motor 213 and the first rotating shaft 151 are the same, which can shorten the eccentric force arm and reduce the moment of inertia to improve dynamic stability.

[0055] In some embodiments, the direction of the output shaft of the horizontal motor 31 is perpendicular to the direction of the output shaft of the vertical motor 213 .

[0056] In some embodiments, the output shaft of the horizontal motor 31 faces upward.

[0057] In some embodiments, the top cover assembly 1 includes a plurality of second lenses 102 , and the plurality of second lenses 102 are sequentially arranged along the circumferential direction of the top cover assembly 1 to expand the monitoring range of the camera 100 .

[0058] In some implementations, the second lens 102 is a fixed-focus panoramic lens.

[0059] In some implementations, the number of second lenses 102 is eight to achieve eight-lens panoramic stitching. The present application does not limit the number of second lenses 102 , which may be adjusted according to actual needs, or the second lens 102 may not be provided.

[0060] In some embodiments, the second lens 102 is electrically connected to the mainboard 11 .

[0061] Ginseng Figure 6 , Figure 7 , Figure 8 , Fig. 9 , Fig.10 , Fig.11 , Fig.12 , Fig.13 and Fig.14 In some embodiments, the power assembly 3 is located in the first cavity 212 .

[0062] The power assembly 3 further includes a first rotating disc 32 , a first synchronous belt 33 , a second rotating disc 34 , a third rotating disc 35 , a second synchronous belt 36 and a synchronous wheel 37 .

[0063] The first rotating disk 32 is fixed to the output shaft of the horizontal motor 31, the first synchronous belt 33 connects the first rotating disk 32 and the second rotating disk 34, the third rotating disk 35 is fixed to the second rotating disk 34 and forms a double-layer structure, the second synchronous belt 36 connects the third rotating disk 35 and the synchronous wheel 37, and the synchronous wheel 37 is connected to the body 2, so that the horizontal motor 31 drives the body 2 to rotate in the circumferential direction. The diameters of the first rotating disk 32 and the second rotating disk 34 are different, and the diameters of the third rotating disk 35 and the synchronous wheel 37 are different, so as to achieve a larger transmission ratio, achieve a large torque output under high speed, and drive the heavier body 2; and the power assembly 3 occupies a small space, which meets the requirement of insufficient internal space of the camera 100.

[0064] In some embodiments, the diameter of the second turntable 34 is larger than the diameter of the first turntable 32 and the diameter of the third turntable 35, and the diameter of the synchronous wheel 37 is larger than the diameter of the second turntable 34. The relationship between the diameters of the first turntable 32, the second turntable 34, the third turntable 35 and the synchronous wheel 37 can be adjusted according to actual needs.

[0065] In some embodiments, the synchronous wheel 37 is fixed to the first rotating shaft 151 .

[0066] In some embodiments, the synchronous wheel 37 and the first rotating shaft 151 are fixed by a first screw 371 to facilitate assembly and disassembly.

[0067] In some embodiments, the synchronous wheel 37 is integrally provided with the first rotating shaft 151 .

[0068] In some embodiments, the power assembly 3 can achieve power transmission through the engagement between gear plates.

[0069] In some embodiments, the first rotating shaft 151 is located in the middle of the fuselage 2, and the horizontal motor 31 and the second rotating disk 34 are arranged along the circumferential direction of the fuselage 2, so that the structure is more compact and occupies less space.

[0070] In some embodiments, the first distance between the center of the third rotating disk 35 and the center of the synchronous wheel 37 is adjustable to tighten the second synchronous belt 36 to prevent the second synchronous belt 36 from slipping.

[0071] In some embodiments, the second distance between the center of the first turntable 32 and the center of the second turntable 34 is fixed and cannot be adjusted to save space.

[0072] The calculation formula for the second distance is as follows:

[0073] Second distance ;

[0074] coefficient ;

[0075] The length of the first synchronous belt 33 ;

[0076] The diameter of the second rotating disk 34 ;

[0077] The diameter of the first rotating disk 32 ;

[0078] Pi is determined according to the type of the first synchronous belt 33 and the tooth pitch of the second rotating disk 34;

[0079] Z1 represents the number of teeth of the second rotating disk 34;

[0080] Z2 represents the number of teeth of the first rotating disk 32 .

[0081] In some embodiments, the second distance is adjustable to tighten the second synchronous belt 36 to prevent the first synchronous belt 33 from slipping.

[0082] In some embodiments, the power assembly 3 includes a force-applying member 38 , and the tension applied by the force-applying member 38 tensions the second synchronous belt 36 , thereby achieving self-tensioning of the second synchronous belt 36 , eliminating the need for manual adjustment and reducing maintenance costs.

[0083] In some embodiments, the power assembly 3 includes a fixing seat 39, the fixing seat 39 is rotatably connected to the body 2, the second rotating disk 34 and the third rotating disk 35 are rotatably connected to the fixing seat 39, and the force applying member 38 is an elastic member, one end of the elastic member is fixed to the body 2, and the other end is fixed to the fixing seat 39, so as to apply tension on the fixing seat 39, so that the second synchronous belt 36 remains taut. The direction of the tension applied by the elastic member on the fixing seat 39 is defined as X1, and the line between the center of the second rotating disk 34 and the center of the synchronous wheel 37 is defined as X2, and an angle is formed between X1 and X2. The power assembly 3 occupies a small space, which meets the requirement of insufficient internal space of the camera 100.

[0084] In some embodiments, the fixing base 39 can only move in a straight line, and X1 and X2 are collinear.

[0085] In some embodiments, the elastic member is located at one end of the fixed seat 39 close to the second turntable 34, and the component of the tension applied by the elastic member on the fixed seat 39 pulls the fixed seat 39 in a direction away from the synchronous wheel 37, so that the second turntable 34 moves in a direction away from the synchronous wheel 37 to self-tension the second synchronous belt 36.

[0086] In some embodiments, the elastic member is located at one end of the fixed seat 39 away from the second turntable 34, and the component of the tension applied by the elastic member on the fixed seat 39 pulls the fixed seat 39 toward the direction close to the synchronous wheel 37, so that the second turntable 34 is subjected to force in the direction away from the synchronous wheel 37 to self-tension the second synchronous belt 36.

[0087] In some embodiments, the fixing seat 39 is rotatably connected to the top cover assembly 1, one end of the elastic member is fixed to the top cover assembly 1, and the other end is fixed to the fixing seat 39, so as to apply tension on the fixing seat 39 so that the second synchronous belt 36 remains tensioned.

[0088] In some embodiments, the horizontal motor 31 is fixed to the fixing base 39 .

[0089] In some embodiments, the horizontal motor 31 is fixed to the fixing base 39 via a second screw 390 .

[0090] In some embodiments, the body 2 is provided with a shaft 218 , the fixing seat 39 is provided with a through hole 391 , the shaft 218 is rotatably assembled in the through hole 391 , and the fixing seat 39 rotates around the shaft 218 to increase the stability of the fixing seat 319 .

[0091] In some embodiments, the shaft portion 218 may be disposed on the body 2 , and correspondingly, the through hole 391 is disposed on the fixing seat 39 .

[0092] In some embodiments, the body 2 is provided with a first limiting hole 219, and the fixing seat 39 is provided with a second limiting hole 392; the camera 100 includes a fixing component 4, which is assembled in the first limiting hole 219 and the second limiting hole 392 to limit the fixing seat 39 on the body 2; the second limiting hole 392 is a strip hole, and when the fixing seat 39 rotates, the fixing component 4 moves along the second limiting hole 392 to limit the rotation angle of the fixing seat 39.

[0093] In some embodiments, the first limiting hole 219 is disposed on the top cover assembly 1 , and the fixing member 4 limits the fixing seat 39 on the top cover assembly 1 .

[0094] In some embodiments, the fixed seat 39 includes a convex ring 393, which encloses a receiving space 394; the power assembly 3 includes a third bearing 301, a fixing rod 302 and a fixing screw 303; the third bearing 301 is accommodated in the receiving space 394, the convex ring 393 is located in the space enclosed by the second turntable 34, the fixing rod 302 fixes the second turntable 34, the third turntable 35 and the inner ring of the third bearing 301, the outer ring of the third bearing 301 is fixed to the fixed seat 39, and the fixing screw 303 is fixed to the fixed seat 39 and abuts against the outer ring of the third bearing 301 to prevent the third bearing 301 from detaching from the fixed seat 39.

[0095] Ginseng Fig.15 , Fig.16 , Fig.17 , Fig.18 , Fig.19 and Fig. 20 The top cover assembly 1 includes a first upper cover 12, a second upper cover 13, a first lower cover 14 and a second lower cover 15. A first through hole 121 is provided in the middle of the first upper cover 12, and the second upper cover 13 is fixed to the first upper cover 12 and covers the first through hole 121. A second through hole 141 is provided in the middle of the first lower cover 14, and the second lower cover 15 is fixed to the first lower cover 14 and covers the second through hole 141.

[0096] The first upper cover 12, the second upper cover 13, the first lower cover 14 and the second lower cover 15 together form a second cavity 101. The second lens 102 is fixed to the first lower cover 14, and a plurality of second lenses 102 are sequentially arranged along the circumferential direction of the first lower cover 14. The main board 11 is fixed to the second lower cover 15.

[0097] In some embodiments, the first lower cover 14 includes an annular fixing portion 143 fixed to the first upper cover 12 and an arc portion 144 extending and tapering from the fixing portion 143 in a direction away from the first upper cover 12 , and the second lens 102 is fixed to the arc portion 144 .

[0098] In some embodiments, the horizontal portion 214 is hidden within the arc-shaped portion 144 .

[0099] The body 2 is rotatably connected to the second lower cover 15 , and the first rotating shaft 151 is disposed on the second lower cover 15 .

[0100] In some embodiments, the first lower cover 14 and the second lower cover 15 form a storage groove 142, and the first rotating shaft 151 extends into the storage groove 142; the horizontal portion 214 is located in the storage groove 142, and multiple second lenses 102 are arranged around the outside of the horizontal portion 214, so that the camera 100 has a compact structure and a small size.

[0101] The density of the material of the second upper cover 13 is higher than that of the material of the first upper cover 12, and the density of the material of the second lower cover 15 is higher than that of the material of the first lower cover 14. Under the premise of ensuring the volume of the second cavity 101, the weight and cost of the camera 100 are effectively reduced. After testing, the camera 100 of the present application is reduced by about 30% in weight and 28% in cost.

[0102] In some embodiments, the first upper cover 12 and the first lower cover 14 do not bear the weight of the entire device, only install the second lens 102, and are made of plastic; the second upper cover 13, the second lower cover 15 and the fixing frame 21 are the main load-bearing structures and are made of metal.

[0103] In some embodiments, the second upper cover 13 is provided with a first assembly hole 131, the second lower cover 15 is provided with a second assembly hole 150, and the top cover assembly 1 includes a limit screw 161, and the limit screw 161 is assembled in the first assembly hole 131 and the second assembly hole 150 to fix the second upper cover 13 and the second lower cover 15 to increase the stability of the top cover assembly 1 and increase the load-bearing capacity.

[0104] In some embodiments, the top cover assembly 1 includes a first seal 171, which is sealed with the second upper cover 13 and the second lower cover 15 to prevent water leakage at the first assembly hole 131; the second upper cover 13 is provided with a receiving groove 132 connected to the first assembly hole 131, and the top cover assembly 1 includes a second seal 172, which is assembled in the receiving groove 132 to prevent water leakage at the first assembly hole 131.

[0105] In some embodiments, the second upper cover 13 includes an annular protrusion 133, and the second sealing member 172 includes a main body portion 1721 and a side portion 1722 extending from the main body portion 1721. At least a portion of the main body portion 1721 is assembled in the receiving groove 132, and a gap groove 1723 is formed between the side portion 1722 and the main body portion 1721. The protrusion 133 is located in the gap groove 1723 and is sealed with the second sealing member 172 to increase the sealing performance of the second sealing member 17.

[0106] In some embodiments, the second lower cover 15 includes a plurality of fixing columns 152, the second assembly hole 150 is arranged on the fixing columns 152, the plurality of fixing columns 152 are respectively provided with a recessed groove 1521, the first sealing member 171 is arranged in plurality, and the plurality of first sealing members 171 are respectively accommodated in the plurality of recessed grooves 1521 to increase the stability and sealing effect of the first sealing member 171.

[0107] In some embodiments, the first upper cover 12 is fixed to the second upper cover 13, and the edge of the second upper cover 13 is pressed on the first upper cover 12; the first lower cover 14 is fixed to the second lower cover 15, and the edge of the second lower cover 15 is located below the first lower cover 14; the top cover assembly 1 includes a third seal 173, a fourth seal 174 and a fifth seal 175; the third seal 173 is located between the second upper cover 13 and the first upper cover 12 to prevent water leakage between the second upper cover 13 and the first upper cover 12; the fourth seal 174 is located between the first upper cover 12 and the first lower cover 14 to prevent water leakage between the first upper cover 12 and the first lower cover 14; the fifth seal 175 is located between the second lower cover 15 and the first lower cover 14 to prevent water leakage between the second lower cover 15 and the first lower cover 14.

[0108] In some embodiments, the top cover assembly 1 includes a sixth seal 176 , which is located between the limit screw 161 and the second upper cover 13 and above the first seal 171 to increase the sealing effect and prevent water leakage at the first assembly hole 131 .

[0109] The second sealing member 172 , the sixth sealing member 176 and the first sealing member 171 form a three-level seal from top to bottom to prevent water accumulation in the top cover assembly 1 from causing water leakage in the first assembly hole 131 .

[0110] In some embodiments, the first upper cover 12 and the second upper cover 13 are fixed by a fourth screw 162; the first upper cover 12 and the first lower cover 14 are fixed by a fifth screw 163; the first lower cover 14 and the second lower cover 15 are fixed by a sixth screw 164, which facilitates assembly and disassembly.

[0111] In some embodiments, the top cover assembly 1 includes a top cover 18, which is fixed to the second upper cover 13 and forms a cavity 182 with the second upper cover 13 to accommodate electronic components of the camera 100; the second sealing member 172 is located within the range of the top cover 18. The top cover 18 is used to be assembled with a fixing device to achieve hoisting of the camera 100.

[0112] In some embodiments, the top cover 18 and the second upper cover 13 are fixed by a seventh screw 165 to facilitate assembly and disassembly.

[0113] It should be noted that the technical solutions or technical features described in the above embodiments can be combined or supplemented with each other without causing conflicts. The scope of protection of this application is not limited to the precise structures described in the above embodiments and shown in the drawings; all modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of this application should be included in the scope of protection of this application.

Claims

1. A camera, characterized in that: include: Top cover assembly; A body, rotatably connected to the top cover assembly so as to rotate relative to the top cover assembly along its circumferential direction, the body comprising a first lens; A power assembly, comprising a horizontal motor, a first turntable, a first synchronous belt, a second turntable, a third turntable, a second synchronous belt and a synchronous wheel, wherein the first turntable is fixed to an output shaft of the horizontal motor, the first synchronous belt connects the first turntable and the second turntable, the third turntable is fixed to the second turntable and forms a double-layer structure, the second synchronous belt connects the third turntable and the synchronous wheel, the synchronous wheel is connected to the fuselage, so that the horizontal motor drives the fuselage to rotate circumferentially, the diameter of the first turntable is smaller than the diameter of the second turntable, the diameter of the third turntable is smaller than the diameter of the synchronous wheel; the first distance between the center of the third turntable and the center of the synchronous wheel is adjustable; A second distance between the center of the first rotating disk and the center of the second rotating disk is fixed and cannot be adjusted; The power assembly includes a force applying member, and the tension applied by the force applying member tensions the second synchronous belt; The power assembly includes a fixing seat, the fixing seat is rotatably connected to one of the top cover assembly and the fuselage, the second rotating disk and the third rotating disk are rotatably connected to the fixing seat, the force applying member is an elastic member, one end of the elastic member is fixed to one of the top cover assembly and the fuselage, and the other end is fixed to the fixing seat, so as to apply tension on the fixing seat so that the second synchronous belt is kept taut; The horizontal motor is fixed to the fixing seat.

2. The camera according to claim 1, characterized in that One of the body and the fixing seat is provided with a shaft, and the other is provided with a through hole, and the shaft is rotatably assembled in the through hole.

3. The camera according to claim 1, characterized in that One of the body and the top cover assembly is provided with a first limiting hole, the fixing seat is provided with a second limiting hole, the camera includes a fixing component, and the fixing component is assembled in the first limiting hole and the second limiting hole to limit the fixing seat on one of the body and the top cover assembly, the second limiting hole is a strip hole, and when the fixing seat rotates, the fixing component moves along the second limiting hole.

4. The camera according to any one of claims 1 to 3, characterized in that: The fuselage is located below the top cover assembly, the fuselage forms a first cavity, the power assembly is located in the first cavity, the fuselage is provided with a first through hole, the fuselage includes a first bearing assembled in the first through hole, the outer ring of the first bearing is fixed to the fuselage, the top cover assembly includes a first rotating shaft, the first rotating shaft is fixed to the inner ring of the first bearing, and the synchronous wheel is arranged on the first rotating shaft.

5. The camera according to claim 4, characterized in that The body includes a fixing frame and a camera assembly rotatably connected to the fixing frame, the first lens is arranged on the camera assembly, the fixing frame includes a horizontal portion and a pair of vertical portions connected to the horizontal portion, the horizontal portion surrounds the first cavity, the camera assembly is located between the horizontal portion and the pair of vertical portions, the vertical portion includes a second through hole, the body includes a second bearing assembled in the second through hole, the outer ring of the second bearing is fixed to the vertical portion, the camera assembly includes a second rotating shaft, the second rotating shaft is fixed to the inner ring of the second bearing, the body includes a vertical motor located in the first cavity and a third synchronous belt connecting the output shaft of the vertical motor and the second rotating shaft, the vertical motor drives the camera assembly to pitch.

Images