CN209943881U - Intelligent monitoring equipment - Google Patents

Abstract

The utility model provides an intelligent monitoring equipment, includes the base, assemble the body on the base and assemble the camera subassembly on the body, the body below has set firmly the center pin, the base includes the bottom plate, the center pin passes the bottom plate and establishes a bearing and cooperate a fixation nut through the cover and with the body pin joint on the base, fixation nut meshes in the pivot through the screw thread and is located the bearing below, the center pin is the hollow tubulose and forms the mesopore that is used for walking the line, the inboard of the upper end of center pin and lower extreme opening edge position is equipped with level and smooth arc guide portion, the periphery design that fixation nut is located center pin lower extreme opening position is convex smooth transition structure, fixation nut's outer peripheral face only is provided with a plane operating surface or fixation nut's outer peripheral face is provided with a plurality of discontinuous plane operating surface, through center pin, The structure design of the fixing nut and the position design of the wiring channel are used for preventing the wire from being damaged.

Description

Intelligent monitoring equipment

[ technical field ] A method for producing a semiconductor device

The utility model relates to an intelligent monitoring equipment.

[ background of the invention ]

A CAMERA (CAMERA or WEBCAM), also known as a computer CAMERA, a computer eye, an electronic eye, etc., is a video input device, and is widely used in video conferences, telemedicine, real-time monitoring, etc. Common people can also have image and voice conversations and communications with each other through the camera in the network. In addition, people can also use the method for various popular digital images, video and audio processing and the like. Particularly, with the continuous development of network communication technology, internet and internet of things technology in recent years, intelligent camera terminal products are widely applied and are integrated into the daily life of each common person everywhere. Meanwhile, the use scenes of the camera are more and more extensive, the functions of the camera are increasingly powerful, meanwhile, the structure of a camera terminal product is increasingly complex, the internal structure design is compact and complex in matching, and the manufacturing process and the assembly difficulty of the product are increasingly large.

Chinese utility model patent CN205336447U discloses an intelligent camera, including parts such as preceding shell, light sense sensor, infrared lamp cover, sealing washer, camera lens, work pilot lamp, universal joint, base, magnet, backshell, bee calling organ, microphone, tall and erect serial ports of ann and reset button. In addition, chinese utility model patent CN204887184U discloses a house network intelligence camera and monitored control system, including the base, connect the network camera main part on the base, the base can be dismantled with the network camera main part and be connected, and the network camera main part includes the casing, the support that links to each other with the casing and sets up structures such as first circuit board, camera, microphone, first set of pilot lamp, wireless transmission module, speaker, memory and reset key and circuit board in the casing.

However, as the functions of the intelligent camera terminal products become more powerful and the structures become more complex, some structural coordination disclosed in the prior art cannot meet the requirements. Therefore, how to design an intelligent monitoring device product with skillful structure matching, simple assembly process, economy and durability is a problem which related manufacturers must think at present.

In view of the above, there is a need to improve the conventional intelligent monitoring device product to meet the requirement of better product function.

[ Utility model ] content

To the problem that exists among the prior art, the utility model aims at providing an assembly process is more simple, the structure cooperation is more stable and economical and durable's intelligent supervisory equipment.

The utility model discloses a following technical scheme realizes:

the utility model provides an intelligent monitoring equipment, includes the base, assembles the body on the base and assemble the camera subassembly on the body, the body below has set firmly the center pin, the base includes the bottom plate, the center pin passes the bottom plate and establishes a bearing and cooperates a fixation nut through the cover with the body pin joint in the base, fixation nut passes through the screw thread meshing in the pivot and is located the bearing below, the center pin is the cavity tubulose and forms the mesopore that is used for walking the line, the inboard of the upper end of center pin and lower extreme opening edge position is equipped with level and smooth arc guide portion, fixation nut is located the periphery design of center pin lower extreme opening position and is convex smooth transition structure, fixation nut's outer peripheral face only is provided with a plane operating face or fixation nut's outer peripheral face is provided with the discontinuous plane operating face of a plurality.

Further, a circular arc smooth transition structure is arranged between the lower edge of the planar operating surface of the fixing nut and the opening position of the lower end of the central shaft.

Furthermore, the plurality of discontinuous planar operating surfaces only consist of two planar operating surfaces, and the two planar operating surfaces are respectively positioned at two opposite sides of the peripheral surface of the positioning nut.

Further, the length of the operation surface in the radial direction is preferably less than one-half of the inner diameter of the fixing nut.

Further, a first motor is fixedly arranged on the body and provided with a rotary output shaft, a main gear is formed below the bottom plate and coaxial with the central shaft, and the main gear is meshed with the rotary output shaft.

Further, the body comprises a supporting plate located at the lower position, the central shaft is fixed on the supporting plate, the first motor is fixed on the supporting plate, a satellite gear is fixed on the rotary output shaft, and the satellite gear is meshed with the main gear.

Furthermore, the bottom plate is protruded towards the surface of the supporting plate to form a limiting structure, the supporting plate is provided with a matching structure corresponding to the limiting structure, and the matching structure collides with the limiting structure to realize rotation limiting.

Further, the base comprises a bottom shell and the bottom plate, an open containing space is formed above the bottom shell, the bottom plate is covered above the containing space of the bottom shell, the body comprises an inner shell assembled above the supporting plate and an outer shell sleeved on the peripheries of the inner shell and the supporting plate, a cavity is formed below the inner shell, an accommodating space is formed above the inner shell, a barrier wall is formed between the cavity and the accommodating space by the inner shell, the first motor is accommodated in the cavity, a window is formed above the outer shell, the camera assembly is pivoted on the inner shell and positioned in the accommodating space, a lens is arranged on the camera assembly, the lens is exposed out of the window, a wire walking hole is formed in the barrier wall in a penetrating manner, the wire walking hole communicates the cavity below the inner shell with the accommodating space above the inner shell, and communicates with the containing space of the bottom shell through a middle hole of the central shaft, a wiring channel extending in the up-down direction is formed.

Furthermore, the wiring hole is located at a position where the inner shell is far away from the lens.

Further, the camera assembly includes a support portion, fixes camera module and motor on the support portion, the motor sets up the output shaft, the output shaft is by protruding the stretching out of support portion one side and directly fixed with the body, unable relative rotation between output shaft and the body, the surface of support portion at the opposite side of keeping away from the output shaft place side forms pivot portion, the body corresponds the position and forms cooperation portion, pivot portion and cooperation portion pin joint, the support portion that sets firmly the motor is relative the body can use the output shaft to realize relative rotation as the pivot.

Compared with the prior art, the utility model discloses in, through center pin, fixation nut's structural design to prevent the wearing and tearing to the wire, the position design of wiring passageway can also prevent to damage the wire in addition.

[ description of the drawings ]

Fig. 1 is a perspective view of the intelligent monitoring device of the present design.

Fig. 2 is a partial exploded perspective view of the intelligent monitoring device of the present design, showing a perspective view of the outer housing separated from the inner housing.

Fig. 3 is a perspective view of fig. 2 from another angle.

Fig. 4 is a further exploded view of fig. 3.

Fig. 5 is a further exploded view of fig. 4.

Fig. 6 is a partially exploded perspective view of the intelligent monitoring device of the present design, which shows a perspective view of the speaker module and the outer housing when they are separated from the inner housing.

FIG. 6-1 is a perspective view of a heat sink assembly of the intelligent monitoring device of the present design.

Fig. 7 is a further exploded view of fig. 2.

Fig. 8 is a partially exploded perspective view of the intelligent monitoring device of the present design.

Fig. 9 is a partially exploded perspective view of the intelligent monitoring device of the present design.

Fig. 10 is a further exploded view of fig. 9.

Fig. 11 is a partially exploded perspective view of the intelligent monitoring device of the present design.

Fig. 12 is a sectional view taken along line a-a in fig. 1.

Fig. 13 is a sectional view taken along line B-B in fig. 1.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that, in order to avoid obscuring the present application with unnecessary details, only the structures and/or processing steps closely related to some embodiments of the present application are shown in the drawings, and other details that are not relevant to some embodiments of the present application are omitted.

In addition, it is also to be noted that the terms "comprises," "comprising," "has," "having" or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

For the sake of accuracy, all references to directions herein refer to fig. 1, wherein the extending direction of the X-axis is the left-right direction (wherein the positive direction of the X-axis is left), the extending direction of the Y-axis is the front-back direction (wherein the positive direction of the Y-axis is front), and the extending direction of the Z-axis is the up-down direction (wherein the positive direction of the Z-axis is up). For convenience of description, the up-down, left-right, and front-back directions in the present application are relative positions, and do not limit the implementation.

Referring to fig. 1 to 13, the present disclosure discloses an intelligent monitoring apparatus, which is substantially cylindrical in shape and includes a base 1, a body 2 assembled on the base 1, and a camera assembly 3 assembled on the body 2. The body 2 is rotatably connected with the base 1, and the body 2 can rotate 360 degrees relative to the base 1 in the horizontal direction. The camera assembly 3 is rotatably connected with the body 2, and the camera assembly 3 can rotate at a certain angle (approximately 90 degrees in the design) in the vertical direction relative to the body 2.

Referring to fig. 2 to 8, the body 2 includes an inner shell 21, a supporting plate 22 assembled below the inner shell 21, and an outer shell 23 sleeved on the outer peripheries of the inner shell 21 and the supporting plate 22 from top to bottom. A cavity (not labeled) is formed below the inner shell 21, and the lower part of the cavity is covered by a support plate 22. The inner case 21 is formed with a pair of support arms 211 upwardly at opposite sides above the cavity. The two support arms 211 form a receiving space 210 therebetween. The inner shell 21 forms a blocking wall 2101 between the cavity and the receiving space 210. A matching hole 2111 penetrates through the position, close to the upper part, of one support arm 211, the shape of the section of the matching hole 2111 is non-circular, in the design, the shape of the cross section of the matching hole 2111 is formed by combining a rectangle and two semicircles (similar to the shape of a playground runway), and in other embodiments, the matching hole 2111 can be square, oval, trapezoid, polygon and the like; the upper end of the other support arm 211 forms a fitting portion 2112, in this design, the fitting portion 2112 is actually an arc-shaped recessed structure formed by the upper end edge of the support arm 211 being recessed downward (of course, the fitting portion 2112 may also be a through hole structure). The fitting hole 2111 and the fitting portion 2112 of the support arm 211 are used for fitting the camera head assembly 3.

Referring to fig. 1, 2, 3 and 8, the outer shell 23 is substantially cylindrical, a through hole-shaped window 230 is formed near the upper portion of the outer shell 23, and the support plate 22 is assembled below the inner shell 21 and fixed to the inner shell 21 by bolts (not labeled). The outer shell 23 and the inner shell 21 are fixed by bolts (not labeled). The supporting plate 22 has an assembling hole 220 formed at a middle position thereof, and a satellite hole 221 formed at a position adjacent to the assembling hole 220. A central shaft 222 is fixed in the assembly hole 220 of the support plate 22, and the central shaft 222 is hollow and tubular and forms a central hole 2220. In this design, the central shaft 222 and the support plate 22 cannot rotate relatively in the horizontal plane direction, specifically, a chamfer 2221 is formed on the outer peripheral wall of the central shaft 222, and the limit is realized by the matching structure of the chamfer 2221 and the inner wall of the assembly hole 220. The central shaft 222 is downwardly convex to the lower surface of the support plate 22. The periphery of the central shaft 222 is sleeved with a bearing 223 near the lower surface of the support plate 22, an external thread 224 is formed on the periphery of the central shaft 222 below the bearing 223, and the central shaft 222 further includes a fixing nut 226 engaged with the external thread 224.

In this design, center pin 222 is made by metal material (can be any solid metal, preferably difficult rusty and have the metal material of certain physical strength, for example stainless steel, aluminum alloy etc. copper alloy etc.), center pin 222 cooperation bearing 223 (metal bearing) can be with the cooperation clearance design between the two littleer, so be favorable to the pin joint between main part 2 and the base 1 stable, can avoid or reduce the range of rocking when main part 2 is rotatory relative to base 1 as far as possible simultaneously, improve camera subassembly 3's shooting stability.

The central hole 2220 of the central shaft 222 is used for routing of the wires 6. The inner sides of the upper and lower opening edges of the central shaft 222 are provided with smooth arc-shaped guiding portions 2222 for preventing the wires 6 in the central hole 2220 from being scratched when the housing 2 rotates relative to the base 1.

Referring to fig. 8, 10 and 11, a first motor 225 is fixed on the upper surface of the supporting plate 22, the first motor 225 is located in the cavity, the first motor 225 is provided with a rotary output shaft (not labeled), the rotary output shaft protrudes into the satellite hole 221, and the rotary output shaft is sleeved with a satellite gear 2251. The satellite gear 2251 is correspondingly engaged with the base 1.

Referring to fig. 5 and 6, the camera assembly 3 includes a bracket portion 31, a camera module 32, a chip module 33, a second motor 34, and a heat dissipation assembly 35, wherein the bracket portion 31 is substantially in a hollow hemispherical shape. The camera head assembly 3 is shaped to be received between a pair of support arms 211 of the inner housing 21. The bracket portion 31 includes a front bracket shell 311 and a rear bracket shell 312 that are fastened to each other, the front bracket shell penetrates through a lens window (not labeled), a lens of the camera module 32 is exposed out of the lens window, the front bracket shell 311 and the rear bracket shell 312 jointly form a module space (not labeled), the camera module 32 and the chip module 33 are assembled and accommodated in the module space, and the heat dissipation assembly 35 and the second motor 34 are assembled to a position behind the rear bracket shell 312.

The second motor 34 is provided with an output shaft 341, the output shaft 341 correspondingly protrudes into the matching hole 2111, and the peripheral shape of the output shaft 341 is designed to match with the matching hole 2111, so that the output shaft 341 and the support arm 211 cannot rotate relatively. In this design, the outer side of the support arm 211 is locked with the output shaft 341, so that the output shaft 341 and the support arm 211 are absolutely fixed. The side of the bracket portion 31 away from the output shaft 341 protrudes outward to form a rotating shaft portion 313 with a circular outer cross section, and the rotating shaft portion 313 is carried above the matching portion 2112 of the corresponding supporting arm 211. Specifically, the rotating shaft portion 313 is formed on the rear bracket shell 312.

The second motor 34 drives the output shaft 341 to rotate, so as to drive the camera module 3 to rotate in the vertical direction relative to the inner shell 21, thereby implementing the rotation of the lens of the camera module 32 in the window 230 of the outer shell 23. Referring to fig. 4, a limiting post 2113 is formed on an inner side surface of one of the supporting arms 211 of the inner shell 21 and a limiting portion 312 is formed on a corresponding position of the bracket portion 31 of the camera head assembly 3. When the camera head assembly 3 rotates in the vertical direction relative to the inner housing 21, the limiting portion 312 correspondingly abuts against the limiting post 2113, so as to limit the rotation angle of the camera head assembly 3. In this design, through the ingenious integrated relationship of second motor 34, support portion 31 and inner shell 21 for whole assembly process is simple, and camera subassembly 3 is stable and smooth and easy, long service life relative body 2 rotation.

Referring to fig. 6-1, the heat dissipating assembly 35 is made of a metal material with good heat conductivity, a receiving notch 351 is formed at a front end of the heat dissipating assembly 35, a conducting post 352 is formed at a position of the heat dissipating assembly 35 adjacent to the receiving notch 351 and protrudes forward, and a grid-shaped heat dissipating portion 353 is formed at a rear end of the heat dissipating assembly 35 (a position behind the conducting post 352 of the heat dissipating assembly 35 and a position behind the receiving notch 351 of the heat dissipating assembly 35) and protrudes convexly. The heat sink assembly 35 is fixed to the bracket portion 31 by bolts, and the second motor 34 is at least partially accommodated in the accommodating notch 351 of the heat sink assembly 35, so that the second motor 34 can be protected and heat transfer can be generated between the second motor 34 and the heat sink assembly 35. The guide posts 352 protrude forward through the rear bracket shell 312 into the module space and contact the chip module 33. The shape design of the heat dissipation assembly 35 is matched with the mutual position relationship of the second motor 34, so that the heat dissipation assembly 35 can generate heat transfer with the second motor 34 while passively dissipating heat from the chip module 33 (the heat transfer generated between the heat dissipation assembly 35 and the second motor 34 here can be direct contact heat transfer, or indirect heat transfer generated between the heat dissipation assembly 35 and the second motor 34 due to close proximity therebetween), and from the function of heat transfer, the heat dissipation assembly 35 connects the second motor 34 in series to synchronously dissipate heat passively from the chip module 33, thereby improving the utilization rate of space and simultaneously improving the heat dissipation effect to the greatest extent.

Referring to fig. 6, a horn groove 212 is recessed in the outer peripheral wall of the inner housing 21, and the horn module 4 is assembled in the horn groove 212. The horn module 4 includes a horn main body 41, a horn bracket 42, EVA foam 43, and a dust screen 44. The speaker holder 42 includes a substantially annular holder main body 421 and fool-proof ears 422 formed by extending from two sides of the holder main body 421. The speaker slot 212 is formed with a fool-proof slot 2121 corresponding to the fool-proof ear 422 and matching with the fool-proof ear 422. The horn bracket 212 is fixed to the horn groove 212 through the bolts buckled on the fool-proof ears 422, the two fool-proof ears 422 are designed into non-central symmetrical shapes so that the horn bracket 42 can only be installed along one direction (cannot be installed by 180 degrees in a rotating manner), so that the outer surface of the horn bracket 42 and the outer side surface of the inner shell 21 are flush, and the precision requirements of design tolerance and assembly are reduced. The outer surface of the horn bracket 42 is fixedly provided with EVA foam 43, and the EVA foam 43 is externally attached with a dust screen 44. In addition, only one routing notch 4211 for the cable to be abducted is further formed in the bracket main body 421, and the only one routing notch 4211 also has a fool-proof effect (preventing the horn bracket 42 from being reversely installed).

During the equipment of loudspeaker module 4 in this design, earlier loudspeaker main part 41 and loudspeaker support 42 equipment an organic whole, then will assemble loudspeaker support 42 that has loudspeaker main part 41 and install into the loudspeaker groove 212 of inner shell 21, then add EVA bubble cotton 43 at loudspeaker support 42 surface, then paste dust screen 44 on the lateral surface of inner shell 21 for dust screen 44 covers whole loudspeaker groove 212 and realizes dustproof function, sheathes outer shell 23 to inner shell 21 at last and accomplish the equipment outward. In this design, pass through support mounting with loudspeaker module 4 on inner shell 21, equipment shell 23 at last, so can rationally arrange intelligent monitoring equipment's body 2's inner space, can be favorable to shell 23's equipment simultaneously. The dust screen 44 is attached to the inner case and can ensure the overall appearance of the intelligent monitoring device.

Referring to fig. 3 to 13, the base 1 includes a substantially bowl-shaped bottom case 11 and a bottom plate 12 covering the bottom case 11. The bottom shell 11 and the bottom plate 12 are fixed through bolts. An accommodating space 10 is formed above the bottom shell 11, the bottom plate 12 covers the accommodating space 10, and a circuit board module 13 is installed in the accommodating space 10. The bottom plate 12 has a fitting hole 121 at a position corresponding to the central axis 222. A main gear 122 is fixedly arranged right below the matching hole, and the main gear 122 is coaxial with the central shaft 222. The bearing 223 is assembled and fixed in the fitting hole 121 (in this design, the bearing 223 is mutually limited by the inner wall of the fitting hole 121 of the bottom plate 12 and the main gear 122). The central shaft 222 passes through the bearing 223 and the fixing nut 226 limits the position of the bottom plate 12 and the support plate 22 in the vertical direction, and the bearing 223 enables the bottom plate 12 and the support plate 22 to rotate in the horizontal direction with the central shaft 222 as the rotation axis. The satellite gears 2251 are correspondingly engaged with the main gear 122. In use, the satellite gear 2251 is driven by the first motor 225 to rotate, and the satellite gear 2251 drives the main gear 122 to rotate, so as to realize the mutual rotation between the bottom plate 12 and the supporting plate 22, and further realize the mutual rotation between the main body 2 and the base 1.

Referring to fig. 3 to 13, the fixing nut 226 is integrally designed with a circular arc-shaped smooth transition structure 2260 at its outer peripheral edge, two planar operation surfaces 2261 are formed only at two opposite sides of the outer periphery of the fixing nut 226, and the operation surfaces 2261 provide wrench force-bearing surfaces for tightening the fixing nut 226. The length of the operating surface 2261 in the radial direction is preferably less than half of the inner diameter of the fixing nut 226, so as to prevent the lead wires 6 in the central hole 2220 from being scratched when the housing 2 rotates relative to the base 1. Of course, in other embodiments, the planar operating surface 2261 may be designed as one or more, and when the planar operating surface 2261 is designed as a plurality, the planar operating surface 2261 is not continuous, so as to reduce the influence on the lead 6 as much as possible.

The circuit board module 13 is fixed in the bottom case 11 through bolts, specifically, two opposite sides of the circuit board module 13 are fixed in the bottom case through bolts, and the other two sides of the circuit board module 13 are supported on the corresponding step surfaces of the bottom case 11 and are not fixed with the bottom case 11, so that the overall flatness of the circuit board module 13 is improved, and unnecessary distortion of the circuit board module 13 caused by locking of bolts at multiple positions is avoided.

Referring to fig. 3, 4, 5, 10 and 11, a wire-passing hole 2102 is formed through the blocking wall 2101 of the inner housing 21, the wire-passing hole 2102 is located at a position close to the rear of the inner housing 21 (i.e., at a position behind the camera module 32), the wire-passing hole 2102 communicates a cavity at a position below the inner housing 21 with an accommodating space at a position above the inner housing 21, and communicates with an accommodating space of the bottom housing 11 through a central hole 2220 of the central shaft 222 to form a passage extending in the vertical direction for wiring. The design can reduce the camera module 32 to rotate relative to the body 2 as much as possible, and the body 2 can rotate relative to the base 1 to influence the lead 6, so that the lead 6 is prevented from being broken due to ordinary bending. Wherein specifically be, rotate the in-process at camera module 32 relative body 2 for the position that electrically conducts and components and parts are connected is kept away from as far as possible to the wire 6 bending position, and bends along 6 length direction of wire, and the difficult fracture of losing of wire 6 like this. In addition, when the body 2 rotates relative to the base 1, due to the long wiring channel which is penetrated in the vertical direction, the lead 6 can not be bound in the long unlimited channel, so that the lead 6 is not easy to break.

Referring to fig. 10 and 11, a limiting structure 127 is formed on a surface of the bottom plate 12 facing the supporting plate 22 in a protruding manner, a matching structure 227 is formed on the supporting plate 22 corresponding to the limiting structure 127, and when the main body 2 rotates relative to the base 1, the matching structure 227 collides with the limiting structure 127 to achieve rotational limiting, so as to determine a zero position of the main body 2 relative to the base 1. In this design, the position-limiting structure 127 and the matching structure 227 are both bump structures.

Although the embodiment of the present invention has been shown and described, it is understood that the above embodiment is illustrative and not to be construed as limiting the present invention, and those skilled in the art can make changes, modifications, substitutions and variations to the above embodiment within the scope of the present invention, and all such changes, modifications, substitutions and variations are within the scope of the present invention.

Claims (10)

1. An intelligent monitoring device is characterized by comprising a base, a body assembled on the base and a camera assembly assembled on the body, a central shaft is fixedly arranged below the body, the base comprises a bottom plate, the central shaft penetrates through the bottom plate and is used for pivoting the body on the base by sleeving a bearing and matching a fixing nut, the fixing nut is meshed on the rotating shaft through threads and is positioned below the bearing, the central shaft is hollow tubular and forms a central hole for wiring, the inner sides of the opening edges at the upper end and the lower end of the central shaft are provided with smooth arc-shaped guide parts, the periphery of the fixing nut at the opening position at the lower end of the central shaft is designed into an arc smooth transition structure, the outer peripheral surface of the fixing nut is only provided with one planar operation surface or the outer peripheral surface of the fixing nut is provided with a plurality of discontinuous planar operation surfaces.

2. The intelligent monitoring device according to claim 1, wherein a circular arc-shaped smooth transition structure is further provided between the lower edge of the planar operating surface of the fixing nut and the opening position of the lower end of the central shaft.

3. The intelligent monitoring device according to claim 1, wherein the plurality of discrete planar operating surfaces consists of only two planar operating surfaces, and the two planar operating surfaces are respectively located on opposite sides of the outer peripheral surface of the positioning nut.

4. The intelligent monitoring device according to claim 1, wherein the length of the operating surface in the radial direction is less than one-half of the inner diameter of the fixing nut.

5. The intelligent monitoring device according to claim 1, wherein the body is fixedly provided with a first motor, the first motor is provided with a rotating output shaft, a main gear is formed below the bottom plate, the main gear is coaxial with the central shaft, and the main gear is meshed with the rotating output shaft.

6. The intelligent monitoring device according to claim 5, wherein the body comprises a support plate at a lower position, the central shaft is fixed on the support plate, the first motor is fixed on the support plate, and a satellite gear is fixed on the rotary output shaft and is engaged with the main gear.

7. The intelligent monitoring device according to claim 6, wherein a limiting structure is formed on the surface of the bottom plate, which faces the supporting plate, in a protruding manner, and a matching structure is formed on the supporting plate, which corresponds to the limiting structure, and the matching structure collides with the limiting structure to realize rotation limiting.

8. The intelligent monitoring device according to claim 6, wherein the base comprises a bottom case and the bottom plate, an open-ended receiving space is formed above the bottom case, the bottom plate covers the receiving space of the bottom case, the body comprises an inner case assembled above the supporting plate and an outer case sleeved on the outer periphery of the inner case and the supporting plate, a cavity is formed below the inner case, a receiving space is formed above the inner case, a barrier wall is formed between the cavity and the receiving space, the first motor is received in the cavity, a window is formed above the outer case, the camera assembly is pivoted on the inner case and located in the receiving space, the camera assembly is provided with a lens, the lens exposes the window, a wire-passing hole is formed through the barrier wall, the wire-passing hole communicates the cavity below the inner case with the receiving space above the inner case, meanwhile, the central hole of the central shaft is communicated with the accommodating space of the bottom shell to form a wiring channel extending in the up-down direction.

9. The intelligent monitoring device of claim 8, wherein the wiring hole is located at a position of the inner housing away from the lens.

10. The intelligent monitoring device according to claim 1, wherein the camera assembly includes a bracket portion, a camera module fixed on the bracket portion, and a motor, the motor is provided with an output shaft, the output shaft protrudes from one side of the bracket portion and is directly fixed to the body, the output shaft and the body cannot rotate relatively, the bracket portion forms a rotating shaft portion on the outer surface of the other side away from the side where the output shaft is located, a matching portion is formed at a corresponding position of the body, the rotating shaft portion is pivoted with the matching portion, and the bracket portion fixedly provided with the motor can rotate relatively to the body by using the output shaft as a rotating shaft.

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