CN112511721B

CN112511721B - Video camera

Info

Publication number: CN112511721B
Application number: CN201910793207.1A
Authority: CN
Inventors: 吴燕
Original assignee: Hangzhou Hikvision Digital Technology Co Ltd
Current assignee: Hangzhou Hikvision Digital Technology Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2022-07-08
Anticipated expiration: 2039-08-26
Also published as: CN112511721A

Abstract

The invention relates to a camera, which comprises a shell, a mainboard, a lens assembly, a rotating bracket and a fixed bracket, wherein the shell is provided with a first lens and a second lens; the fixed support is arranged in the inner cavity of the shell, the fixed support divides the inner cavity of the shell into a first cavity and a second cavity, and the main board is arranged in the first cavity; the lens assembly is connected with the rotating bracket, and the lens assembly and the rotating bracket are both arranged in the second cavity; the rotating bracket is rotatably arranged on the fixed bracket. The camera further comprises a sealing ring, the rotating support comprises a rotating shaft, the rotating shaft is arranged in the mounting hole of the fixing support, and the sealing ring is arranged between the rotating shaft and the mounting hole. When intaking in first cavity, can not influence the second cavity, when intaking in the second cavity, can not influence first cavity. The camera lens subassembly is the separation with the mainboard, and the mainboard does not rotate along with the camera lens subassembly, can fix the mainboard on the casing, and then can dispel the heat through the casing. The camera can adjust the lens component in the P direction and improve the waterproof effect and the heat dissipation effect.

Description

Video camera

Technical Field

The invention relates to the technical field of camera shooting, in particular to a camera.

Background

The camera comprises a lens assembly and a support, 3-axis adjustment of the camera is P-direction adjustment, T-direction adjustment and R-direction adjustment respectively, and the P-direction adjustment refers to the following steps: the lens assembly integrally rotates relative to the bracket. The lens assembly comprises a lens and an adjusting seat, wherein T-direction adjustment refers to T-direction rotation of the lens relative to the adjusting seat, and R-direction adjustment refers to rotation of the lens relative to the adjusting seat.

The current camera that has adopted light-proof translucent cover is when carrying out P to adjusting, and the mainboard needs rotate together with the camera lens subassembly, consequently, is the separation setting between the casing of mainboard and camera, leads to the mainboard can not dispel the heat through the casing of camera, and the radiating effect is poor. In addition, the mainboard and the lens are arranged in the same cavity, the waterproof effect is poor, and the risk of fogging of the lens and the risk of water inflow of the mainboard are increased.

Disclosure of Invention

The technical problem solved by the invention is that: provided is a camera capable of improving a waterproof effect and a heat dissipation effect while adjusting the direction of a lens assembly P.

The technical scheme of the invention is as follows:

a camera comprises a shell, a mainboard, a lens component, a rotating bracket and a fixed bracket;

the fixed support is arranged in the inner cavity of the shell, the inner cavity of the shell is divided into a first cavity and a second cavity by the fixed support, and the mainboard is arranged in the first cavity; the lens assembly is connected with the rotating bracket, and the lens assembly and the rotating bracket are both arranged in the second cavity; the rotating bracket is rotatably arranged on the fixed bracket.

Preferably, in the above camera, the camera further includes a sealing ring, the fixing bracket is provided with a mounting hole, the rotating bracket includes a rotating shaft, the rotating shaft is disposed in the mounting hole, and the sealing ring is disposed between the rotating shaft and the mounting hole.

Preferably, in the above camera, an outer surface of the seal ring is in interference fit with a wall of the mounting hole.

Preferably, in the above camera, the camera further includes a connecting plate connected to the rotating bracket, and the connecting plate is limited by the fixing bracket in an outward direction.

Preferably, in the above camera, a boss is disposed on a hole wall of the mounting hole, and the connecting plate is in limit fit with an inner side surface of the boss.

Preferably, in the above-mentioned video camera, the sealing ring is axially limited between an inner side surface of the rotating bracket and an outer side surface of the boss.

Preferably, in the above-described video camera, an elastic support member is interposed between an inner surface of the rotating bracket and an outer surface of the fixed bracket, and the elastic support member is offset from the seal ring.

Preferably, in the above-described video camera, an inner side surface of the rotating bracket or an outer side surface of the fixed bracket is provided with a mounting groove, and the elastic support body portion is disposed in the mounting groove.

Preferably, in the above camera, the elastic support body is of an annular structure, and the elastic support body is annularly arranged on the periphery of the sealing ring.

Preferably, in the above camera, the rotating bracket or the fixing bracket is provided with a protrusion, and the protrusion is located between an inner side surface of the rotating bracket and an outer side surface of the fixing bracket.

Preferably, in the above camera, the rotating bracket or the fixing bracket is provided with an elastic sheet, and the elastic sheet is clamped between an inner side surface of the rotating bracket and an outer side surface of the fixing bracket.

Preferably, in the camera described above, an elastic sheet is disposed on an inner side surface of the rotating bracket, a ring gear is disposed on an outer side surface of the fixed bracket, and the elastic sheet is in press fit with the ring gear.

Preferably, in the camera described above, one end of the elastic piece is fixed to the rotating bracket, and the other end of the elastic piece is a movable free end.

Preferably, in the above camera, the lens assembly includes an electric wire, the rotating shaft is provided with a routing through hole, and the electric wire passes through the routing through hole and is connected to the main board; the wire seals the routing through hole.

Preferably, in the above camera, the fixed bracket has a first receiving cavity, the rotating bracket has a second receiving cavity, the first receiving cavity and the second receiving cavity both extend toward the main board, the rotating bracket is at least partially disposed in the first receiving cavity, and the lens assembly is at least partially disposed in the second receiving cavity.

Preferably, in the above camera, the camera is a dome camera.

The camera of the invention has the advantages that: the rotating bracket rotates relative to the fixed bracket P, and then the lens component P can be driven to rotate.

Because the mainboard sets up in the first cavity, the lens subassembly sets up in the second cavity, when intaking in the first cavity, can not influence the second cavity, when intaking in the second cavity, can not influence first cavity. Compared with the prior art that the main board and the lens assembly are arranged in the same cavity, the camera disclosed by the invention can adjust the lens assembly in the P direction and has a better waterproof effect.

The lens subassembly with the mainboard is the separation, the mainboard does not along with the lens subassembly rotates, can with the mainboard is fixed on the casing, and then can dispel the heat through the casing. The camera of the invention can adjust the lens component P direction and simultaneously improve the heat dissipation effect.

Drawings

FIG. 1 is an exploded view of a P-direction adjustment assembly according to embodiment 1 of the present invention;

FIG. 2 is an exploded view of the P-direction adjustment assembly of embodiment 1 of the present invention at another angle;

FIG. 3 is a cross-sectional view of a P-direction adjustment assembly according to embodiment 1 of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at I;

FIG. 5 is a structural view of a rotating bracket according to embodiment 1 of the present invention;

fig. 6 is an exploded view of a video camera according to embodiment 1 of the present invention;

fig. 7 is a sectional view of a video camera of embodiment 1 of the present invention.

The component names and designations in the drawings are as follows:

the camera 100, the P-direction adjusting assembly 10, the rotating bracket 11, the rotating shaft 111, the routing through hole 1111, the second accommodating cavity 112, the elastic support 113, the mounting groove 114, the protrusion 115, the elastic sheet 116, the first connecting hole 117, the second connecting hole 118, the fixing bracket 12, the mounting hole 121, the hole wall 1211, the first accommodating cavity 122, the ring gear 123, the boss 124, the sealing ring 13, the spring groove 131, the first protrusion 132, the second protrusion 133, the third protrusion 134, the connecting plate 14, the first screw 15, the main plate 20, the lens assembly 30, the lens 31, the mounting seat 32, the electric wire 33, the wire SR331, the housing 40, the main body 41, the light-blocking transparent cover 42, the light-blocking area 421, the mounting seat 43, the first cavity 44, the second cavity 45, the SD card cover 46, the connecting body 50, the first sealing element 61, the second sealing element 62, and the third sealing element 63.

Detailed Description

Example 1

As shown in fig. 6 and 7, the present embodiment discloses a video camera 100, the video camera 100 including a housing 40, a main board 20, a lens assembly 30, a rotating bracket 11, and a fixing bracket 12; the fixed bracket 12 is arranged in the inner cavity of the shell 40, the fixed bracket 12 divides the inner cavity of the shell 40 into a first cavity 44 and a second cavity 45, and the main board 20 is arranged in the first cavity 44; the lens assembly 30 is connected with the rotating bracket 11, and both the lens assembly 30 and the rotating bracket 11 are arranged in the second cavity 45; the rotating bracket 11 is rotatably provided on the fixed bracket 12.

The camera 100 of the present embodiment has advantages in that: the rotating bracket 11 performs a P-direction rotation with respect to the fixed bracket 12, and then can drive the lens assembly 30 to perform a P-direction rotation. Because the main board 20 is disposed in the first cavity 44 and the lens assembly 30 is disposed in the second cavity 45, when water enters the first cavity 44, the second cavity 45 is not affected, and when water enters the second cavity 45, the first cavity 44 is not affected. Compared with the prior art that the main board 20 and the lens assembly 30 are arranged in the same cavity, the camera 100 of the embodiment can adjust the lens assembly 30 in the P direction and has a better waterproof effect. The lens assembly 30 is separated from the main board 20, and the main board 20 does not rotate along with the lens assembly 30, so that the main board 20 can be fixed on the housing 40, and heat can be dissipated through the housing 40. The camera 100 of the present embodiment can adjust the lens assembly 30 in the P direction and improve the heat dissipation effect. The arrow direction in fig. 1 and 7 is the P-direction rotation direction of the present embodiment.

The better the sealing effect between the rotating bracket 11 and the fixed bracket 12, when intaking in the first cavity 44, be difficult to influence the second cavity 45 more, when intaking in the second cavity 45, be difficult to influence first cavity 44 more to make the camera have better water-proof effects. The sealing effect between the rotating bracket 11 and the fixed bracket 12 of the embodiment is good, and external moisture can be prevented from entering the first cavity 44 and the second cavity 45 from the gap between the rotating bracket 11 and the fixed bracket 12.

The rotating bracket 11 is rotatably arranged on the fixed bracket 12 in the preferred mode: the fixed bracket 12 is provided with a mounting hole 121, the rotating bracket 11 comprises a rotating shaft 111, the rotating shaft 111 is arranged in the mounting hole 121, and the rotating shaft 111 rotates to drive the rotating bracket 11 to rotate. On the basis, in order to better improve the waterproof effect of the camera 100 of the present embodiment, the camera 100 further includes a sealing ring 13, and the rotating bracket 11, the fixing bracket 12 and the sealing ring 13 form a P-direction adjusting assembly 10. The structure of the P-direction adjustment assembly 10 is shown in fig. 1-4.

The seal ring 13 is directly sleeved on the rotating shaft 111, the inner surface of the seal ring 13 is in contact with the rotating shaft 111, the seal ring 13 is sealed between the rotating shaft 111 and the mounting hole 121, and the seal ring 13 is used for sealing a gap between the rotating shaft 111 and the mounting hole 121. The better the sealing effect of sealing washer 13, when intaking in first cavity 44, be difficult to influence second cavity 45 more, when intaking in second cavity 45, be difficult to influence first cavity 44 more to make the camera have better water-proof effects.

The camera 100 further includes a connecting plate 14 disposed inside the sealing ring 13, the hole wall 1211 of the mounting hole 121 is provided with a boss 124, the connecting plate 14 is in limit fit with the inner side surface of the boss 124, and since the boss 124 is disposed on the hole wall of the mounting hole 121, compared with the case where the boss 124 is disposed on the inner side surface of the fixing bracket 12, the camera has the advantage of saving space. The sealing ring 13 is axially limited between the inner side surface of the rotating bracket 11 and the outer side surface of the boss 124. The boss 124 has the advantages that: not only can carry on spacingly to sealing washer 13, can also carry on spacingly to connecting plate 14, the installation of the sealing washer 13 of also being convenient for and connecting plate 14.

The inner side of the sealing ring 13 has a concave spring groove 131, a spring (not shown) is installed in the spring groove 131, and a first protrusion 132 is disposed on the groove wall of the spring groove 131, and the first protrusion 132 is used for limiting the spring. The inner surface of the seal ring 13 is provided with a second protrusion 133 and a third protrusion 134, and the distance between the second protrusion 133 and the inner side surface of the seal ring 13 is smaller than the distance between the third protrusion 134 and the inner side surface of the seal ring 13. The height of the second protrusion 133 is greater than the height of the third protrusion 134, that is, the distance between the second protrusion 133 and the outer surface of the rotating shaft 111 is less than the distance between the third protrusion 134 and the outer surface of the rotating shaft 111.

After the outer diameter of the seal ring 13 is oiled, the seal ring is installed in the installation hole 121, so that the inner side surface of the seal ring 13 is limited by the boss 124. Then, the rotating shaft 111 of the rotating bracket 11 is inserted into the mounting hole 121 of the fixing bracket 12, and a slight interference fit exists between the second protrusion 133 and the outer surface of the rotating shaft 111, which is beneficial to improving the sealing effect.

The lens assembly 30 includes a wire 33, the shaft 111 is provided with a trace through hole 1111, and the wire 33 is connected to the main board 20 through the trace through hole 1111. Specifically, the electric wire 33 has the wire SR331, the wire SR331 is screwed in the routing through hole 1111, and a gap between the wire SR331 and the routing through hole 1111 is sealed by dispensing glue, so that the electric wire 33 is hermetically connected with the routing through hole 1111, and the independence and the sealing performance of the first cavity 44 and the second cavity 45 are improved.

The connecting plate 14 is pressed against the inner side surface of the boss 124 and the inner end surface of the rotating shaft 111, and the connecting plate 14 is connected to the rotating bracket 11 by the first screw 15. Because the connecting plate 14 presses on the inner side surface of the boss 124, the connecting plate 14 is limited by the boss 124 and cannot move towards the outer side, and because the connecting plate 14 is connected with the rotating bracket 11, the rotating bracket 11 cannot move axially towards the outer side away from the fixed bracket 12. Web 14 may be a disc-like structure. The connection plate 14 has a through hole for passing the power supply line 33 therethrough.

The fixed bracket 12 has a first accommodating cavity 122, the rotating bracket 11 has a second accommodating cavity 112, the first accommodating cavity 122 and the second accommodating cavity 112 both extend toward the main board 20, the rotating bracket 11 is at least partially disposed in the first accommodating cavity 122, and the lens assembly 30 is at least partially disposed in the second accommodating cavity 112. Has the advantages that: the space can be saved, so that the height size of the whole camera is smaller.

The fixed support 12 and the rotating support 11 may have a disc-shaped structure. The first receiving cavity 122 is a ring structure and is matched with the size of the rotating bracket 11, so that the rotating bracket 11 can rotate in the first receiving cavity 122.

In order to improve the sealing effect of the sealing ring 13, there are various preferable schemes, including a first preferable scheme, a second preferable scheme, a third preferable scheme and a fourth preferable scheme.

The first preferred scheme is as follows: the outer surface of the seal ring 13 is fitted with the hole wall 1211 of the mounting hole 121 by interference fit, so that the sealing effect between the outer surface of the seal ring 13 and the hole wall 1211 can be improved.

The preferred scheme II is as follows: an elastic support body 113 is interposed between the inner side surface of the rotating bracket 11 and the outer side surface of the fixed bracket 12, and the elastic support body 113 is provided offset from the seal ring 13. The elastic support body 113 not only can seal the gap between the inner side surface of the rotating support 11 and the outer side surface of the fixed support 12, but also can play a role in vibration reduction in the rotating process of the rotating support 11 when the P direction is adjusted, so that the shaking of the sealing ring 13 is reduced, and the sealing effect of the sealing ring 13 can be improved.

The inner side surface of the rotating bracket 11 or the outer side surface of the fixing bracket 12 is provided with a mounting groove 114, and the elastic support body 113 is partially arranged in the mounting groove 114, which has the advantages that: not only can prevent the elastic support body 113 from moving, but also can save space, so that the height size of the whole camera is smaller. The elastic supporting body 113 is of an annular structure, and the elastic supporting body 113 is annularly arranged on the periphery of the sealing ring 13, so that the sealing and vibration damping effects are better.

The preferable scheme is three: the rotating bracket 11 or the fixing bracket 12 is provided with a protrusion 115, and the protrusion 115 is located between the inner side surface of the rotating bracket 11 and the outer side surface of the fixing bracket 12. The protrusion 115 has advantages in that: the gap between the inner side surface of the rotating support 11 and the outer side surface of the fixed support 12 can be reduced, the vibration reduction effect is improved, the shaking of the sealing ring 13 is reduced, and the sealing effect of the sealing ring 13 can be improved. As shown in fig. 3, the protrusions 115 are disposed on the rotating bracket 11, the number of the protrusions 115 may be several, and the plurality of protrusions 115 are uniformly arranged along the circumferential direction.

The preferable scheme is four: the elastic sheet 116 is disposed on the rotating bracket 11 or the fixing bracket 12, the elastic sheet 116 may be a plastic elastic sheet, and the elastic sheet 116 is sandwiched between the inner side surface of the rotating bracket 11 and the outer side surface of the fixing bracket 12. The spring plate 116 has the advantages that: the gap between the inner side surface of the rotating support 11 and the outer side surface of the fixed support 12 can be reduced, the vibration reduction effect is improved, the shaking of the sealing ring 13 is reduced, and the sealing effect of the sealing ring 13 can be improved.

As shown in fig. 3, the elastic sheet 116 is disposed on the inner side of the rotating bracket 11, the outer side of the fixed bracket 12 is provided with a ring gear 123, and the elastic sheet 116 is in press fit with the ring gear 123. One end of the elastic sheet 116 is fixed on the rotating bracket 11 through a screw, and the other end of the elastic sheet 116 is a movable free end. As shown in fig. 5, the elastic sheet 116 has a gap with the inner side surface of the rotating bracket 11 under a natural unstressed condition. When the rotating bracket 11 is assembled with the fixed bracket 12, the elastic sheet 116 will press against the ring gear 123.

When the P direction is manually adjusted, the elastic sheet 116 is in press fit with the ring teeth 123, and friction and pause feeling are generated between the elastic sheet 116 and the ring teeth 123, so that hand feeling can be brought to an operator, and the operator can conveniently sense the rotating angle. The number of the elastic pieces 116 may be multiple, the elastic pieces 116 are uniformly distributed along the circumferential direction, and both ends of the elastic pieces 116 extend along the arc direction.

The camera 100 of the present embodiment may be a dome camera, the housing 40 of the camera 100 includes a main body 41, a light-blocking transparent cover 42, and a mounting seat 43, the mounting seat 43 is fixedly connected to the main body 41 by a connector such as a screw, and the mounting seat 43 is used to fix the camera 100 to a ceiling or a mounting frame.

As shown in fig. 7, the main body 41 has an inner cavity, the light-blocking transparent cover 42 also has an inner cavity, and the light-blocking transparent cover 42 covers the lens assembly 30, and the light-blocking transparent cover 42 has a light-blocking area 421, and the lens 31 faces the light-blocking area 421. The main body 41 and the light-blocking transparent cover 42 enclose an inner cavity of the housing 40. The main body 41 and the fixing bracket 12 enclose a first cavity 44, and the main body 41, the light-blocking transparent cover 42 and the fixing bracket 12 enclose a second cavity 45.

The lens assembly 30 includes a mount 32, and the lens 31 is mounted on the mount 32. The lens 31 can perform R-direction rotation and T-direction rotation with respect to the mount 32. The lens assembly 30 and the rotating bracket 11 may be connected in the following manner: as shown in fig. 1 and 6, the mount 32 is coupled to the second coupling hole 118 of the rotating bracket 11 by a screw.

The periphery of the inner end of the light-blocking transparent cover 42 is provided with a ring-shaped connecting body 50, and the connecting body 50 also plays a decorative role. The connecting body 50 is connected with a first connecting hole 117 on the rotating bracket 11 through a screw, the connecting body 50 and the light-blocking transparent cover 42 are sealed through a first sealing piece 61, and the connecting body 50 and the rotating bracket 11 are sealed through a second sealing piece 62. When adjusting in the P direction, the light-blocking transparent cover 42 and the lens assembly 30 rotate together with the rotating bracket 11, so that the lens 31 can be ensured to face the light-blocking area 421 all the time, and the camera 100 is ensured to have a better shooting effect.

The main body 41 is provided with an SD card cover 46, and the SD card cover 46 is sealed by a third sealing member 63 to ensure the sealing and waterproof performance of the inner cavity of the whole video camera 100.

In the above embodiments of the present invention, the difference between the embodiments is mainly described, and different optimization features between the embodiments can be combined to form a better embodiment as long as they are not contradictory, and further description is omitted here in view of brevity of the text.

The above is only an example of the present invention, and the present invention is not limited to the above, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A camera is characterized by comprising a shell (40), a main board (20), a lens assembly (30), a rotating bracket (11) and a fixed bracket (12);

the fixed support (12) is arranged in the inner cavity of the shell (40), the fixed support (12) divides the inner cavity of the shell (40) into a first cavity (44) and a second cavity (45), and the main board (20) is arranged in the first cavity (44); the lens assembly (30) is connected with the rotating bracket (11), and the lens assembly (30) and the rotating bracket (11) are both arranged in the second cavity (45); the rotating bracket (11) is rotatably arranged on the fixed bracket (12);

the fixing support (12) is provided with a mounting hole (121), the rotating support (11) comprises a rotating shaft (111), and the rotating shaft (111) is arranged in the mounting hole (121).

2. The camera according to claim 1, characterized in that the camera (100) further comprises a sealing ring (13), the sealing ring (13) being arranged between the shaft (111) and the mounting hole (121).

3. A camera according to claim 2, characterized in that the outer surface of the sealing ring (13) has an interference fit with the wall (1211) of the mounting hole (121).

4. The camera according to claim 2, characterized in that the camera (100) further comprises a connecting plate (14) connected to the rotating bracket (11), the connecting plate (14) being limited in the outward direction by the fixed bracket (12).

5. The camera according to claim 4, characterized in that the hole wall (1211) of the mounting hole (121) is provided with a boss (124), and the connecting plate (14) is in limit fit with the inner side surface of the boss (124).

6. Camera according to claim 5, characterized in that the sealing ring (13) is axially limited between the inner side of the rotating bracket (11) and the outer side of the boss (124).

7. The camera according to claim 2, characterized in that an elastic support (113) is interposed between the inner side of the rotating bracket (11) and the outer side of the fixed bracket (12), the elastic support (113) being offset from the sealing ring (13).

8. The camera according to claim 7, characterized in that the inner side of the rotating bracket (11) or the outer side of the fixed bracket (12) is provided with a mounting slot (114), and the elastic support body (113) is partially disposed in the mounting slot (114).

9. The camera according to claim 7, wherein the elastic support (113) is a ring-shaped structure, and the elastic support (113) is disposed around the outer periphery of the sealing ring (13).

10. Camera according to claim 2, characterized in that the rotating bracket (11) or the stationary bracket (12) is provided with a protrusion (115), the protrusion (115) being located between an inner side of the rotating bracket (11) and an outer side of the stationary bracket (12).

11. The camera according to claim 2, wherein the rotating bracket (11) or the fixing bracket (12) is provided with a spring plate (116), and the spring plate (116) is clamped between an inner side surface of the rotating bracket (11) and an outer side surface of the fixing bracket (12).

12. The camera according to claim 2, wherein an elastic sheet (116) is arranged on an inner side surface of the rotating bracket (11), a ring tooth (123) is arranged on an outer side surface of the fixed bracket (12), and the elastic sheet (116) is in press fit with the ring tooth (123).

13. The camera according to claim 12, wherein one end of the spring plate (116) is fixed on the rotating bracket (11), and the other end of the spring plate (116) is a movable free end.

14. The camera according to claim 2, wherein the lens assembly (30) comprises an electric wire (33), the rotation shaft (111) is provided with a routing through hole (1111), and the electric wire (33) is connected to the main board (20) through the routing through hole (1111); the wire (33) seals the routing through-hole (1111).

15. The camera of claim 1, wherein the fixed bracket (12) has a first receiving cavity (122), wherein the rotating bracket (11) has a second receiving cavity (112), wherein the first receiving cavity (122) and the second receiving cavity (112) each extend toward the main board (20), wherein the rotating bracket (11) is at least partially disposed in the first receiving cavity (122), and wherein the lens assembly (30) is at least partially disposed in the second receiving cavity (112).

16. The camera is characterized by comprising a shell (40), a main board (20), a lens assembly (30), a rotating bracket (11) and a fixed bracket (12), wherein the camera (100) is a hemispherical camera with a light-isolating transparent cover;

the fixed support (12) is arranged in the inner cavity of the shell (40), the fixed support (12) divides the inner cavity of the shell (40) into a first cavity (44) and a second cavity (45), and the main board (20) is arranged in the first cavity (44); the lens assembly (30) is connected with the rotating bracket (11), and the lens assembly (30) and the rotating bracket (11) are both arranged in the second cavity (45); the rotating bracket (11) is arranged on the fixed bracket (12) in a manner of rotating in the P direction;

the fixed bracket (12) is provided with a mounting hole (121), the rotating bracket (11) comprises a rotating shaft (111), and the rotating shaft (111) is longitudinally arranged in the mounting hole (121);

the lens assembly (30) comprises an electric wire (33), the rotating shaft (111) is provided with a wiring through hole (1111), and the electric wire (33) penetrates through the wiring through hole (1111) to be connected to the mainboard (20).