Pan-tilt camera for commercial audio and video recording

Abstract

The utility model relates to the technical field of audio and video recording in commercial scenes, and provides a PTZ camera for commercial audio and video recording, which comprises a camera shooting mechanism, a base and a first rotating mechanism connected between the camera shooting mechanism and the base, the first rotating mechanism comprises a connecting structure arranged on the top face of the base, a rotating piece arranged on the surface of the connecting structure and a plurality of first limiting rods, the rotating piece comprises a rotating piece body and a limiting part formed by extending relative to the rotating piece body, and the first limiting rods limit the limiting part to move within a preset moving range. According to the scheme, the safety of the PTZ camera during rotation is improved through cooperation of the first limiting rod and the limiting part, and when the PTZ camera is in an out-of-control state due to over-rotation of the motor or in crazy rotation, the first limiting rod can block the limiting part to prevent the rotating piece from continuously rotating, so that the safety of the PTZ camera is improved. Therefore, the damage to the motor and the PTZ camera caused by the over-position of the motor is effectively prevented.

Description

Technical Field

[0001] This application relates to the field of audio and video recording technology in commercial scenarios, and in particular to a PTZ camera for commercial audio and video recording. Background Technology

[0002] E-commerce refers to commercial transactions conducted electronically, utilizing the internet and mobile devices to facilitate the exchange of goods and services between buyers and sellers. PTZ cameras have a wide range of applications in e-commerce, particularly in live-streaming e-commerce and intelligent monitoring, where they can significantly improve user experience and operational efficiency.

[0003] Current PTZ cameras suffer from motor over-rotation issues during use. This causes excessive loads on the PTZ's transmission mechanisms, such as gears and bearings, accelerating wear and even causing damage. Furthermore, prolonged over-rotation or overload can raise the motor temperature beyond its rated operating range, leading to motor burnout. To address this, limit sensors or Hall effect chips are added beside the motor to detect its rotational position and ensure it stops when approaching its limit. However, these sensors and chips sometimes experience signal errors or loss, allowing the motor to continue rotating and causing over-rotation. Additionally, the high cost of these sensors and chips increases the overall configuration cost of the PTZ camera.

[0004] Therefore, how to provide a pan-tilt camera with a simple and stable limiting structure is a technical problem that urgently needs to be solved by those skilled in the art. Utility Model Content

[0005] In order to solve the technical problems existing in the prior art, this application provides a commercial audio and video recording PTZ camera, which uses a mechanical limiting structure to prevent the motor from over-extension and causing damage to the motor itself and the PTZ camera.

[0006] Based on this, the technical solution adopted in this application is:

[0007] A commercial PTZ camera for audio and video recording includes:

[0008] A camera mechanism, a base, and a first rotating mechanism connecting the camera mechanism and the base;

[0009] The first rotating mechanism is used to drive the camera mechanism to rotate along a first direction. It includes a connecting structure disposed on the top surface of the base, a rotating component disposed on the surface of the connecting structure, and a plurality of first limiting rods. The rotating component includes a rotating component body and a limiting portion extending relative to the rotating component body. The first limiting rods limit the movement of the limiting portion within a preset movement range. The limiting portion has a groove structure. When the movement of the limiting portion exceeds the preset movement range, the groove structure abuts against the first limiting rods.

[0010] Preferably, the first limiting rod includes a first sub-limiting rod and a second sub-limiting rod symmetrically arranged on both sides of the rotating component body. The rotating component body has a center point. On the projection surface of the connecting structure, there is a preset overshoot angle between the line connecting the projection of the first sub-limiting rod and the center point and the line connecting the projection of the second sub-limiting rod and the center point.

[0011] Preferably, the groove surface of the groove structure is provided with a buffer member. When the buffer member comes into contact with the first limiting rod, it undergoes elastic deformation to generate resistance and returns to its original shape after the contact is released.

[0012] Preferably, the first rotating mechanism further includes a first connecting shaft and a first housing, one end of the first connecting shaft is sleeved on the rotating body, and the other end is connected to the inner top surface of the first housing, and the side wall of the first housing surrounds the connecting structure.

[0013] Preferably, the pan-tilt camera further includes a second rotating mechanism connected between the first rotating mechanism and the camera mechanism;

[0014] The second rotating mechanism is used to drive the camera mechanism to rotate along a second direction, wherein the second direction is perpendicular to the first direction, and includes a contouring groove and a rotating structure. The contouring groove has a first limiting end and a second limiting end opposite to each other. One side of the rotating structure is provided with a second limiting rod, which passes through the contouring groove and is limited between the first limiting end and the second limiting end.

[0015] Preferably, the second rotating mechanism further includes a second connecting shaft and a second housing. The second housing covers the rotating structure and has an opening. One end of the second connecting shaft is connected to the rotating structure, and the other end passes through the opening and is connected to the camera mechanism.

[0016] Preferably, the PTZ camera further includes a support mechanism connected between the first rotating mechanism and the second rotating mechanism, comprising a nested structure having an extended state and a retracted state.

[0017] Preferably, the camera mechanism includes a housing, a lens disposed in the housing, and at least one image sensor located inside the housing. The housing is connected to the second rotating mechanism, and the lens focuses light reflected from outside the lens onto the surface of the image sensor.

[0018] Preferably, the PTZ camera further includes a recording mechanism disposed inside the base and connected to the camera mechanism, wherein the audio signal of the recording mechanism and the video signal of the camera mechanism have a preset delay range.

[0019] Preferably, the PTZ camera further includes a power supply battery, and the base is provided with a battery holder, in which the power supply battery is installed.

[0020] According to the specific embodiments provided in this application, the following technical effects are disclosed:

[0021] A commercial audio / video recording PTZ camera includes: a camera frame, a base, and a first rotating mechanism connected between the camera frame and the base. The first rotating mechanism drives the camera frame to rotate in a first direction and includes a connecting structure on the top surface of the base, a rotating component on the surface of the connecting structure, and a plurality of first limiting rods. The rotating component includes a rotating component body and a limiting portion extending relative to the rotating component body. The first limiting rods limit the movement of the limiting portion within a preset movement range. The limiting portion has a groove structure. If the movement of the limiting portion exceeds the preset movement range, the groove structure abuts against the first limiting rods. In this design, the cooperation between the first limiting rods and the limiting portion improves the safety of the PTZ camera during rotation. When the PTZ camera is in an out-of-control state due to motor over-rotation or excessive spinning, the first limiting rods can block the limiting portion to prevent the rotating component from continuing to rotate, thereby effectively preventing damage to the motor itself and the PTZ camera caused by motor over-rotation. Furthermore, by implementing the limiting function mechanically, no additional sensors or chips are required, reducing configuration costs and improving the stability of the PTZ camera during rotation. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is an overall schematic diagram of a commercial audio and video recording PTZ camera provided in an embodiment of this application;

[0024] Figure 2 This is a rear view schematic diagram of a commercial audio and video recording PTZ camera provided in an embodiment of this application;

[0025] Figure 3 This is a schematic diagram of the internal structure of the first rotating mechanism provided in an embodiment of this application;

[0026] Figure 4 This is a schematic diagram of the internal structure of the second rotating mechanism provided in the embodiments of this application.

[0027] Figure label:

[0028] 10. Camera mechanism; 20. Base; 30. First rotating mechanism; 40. Second rotating mechanism; 50. Bearing mechanism; 100. Lens; 200. Battery holder; 201. Power input interface; 202. USB interface; 203. HDMI interface; 204. SDI interface; 205. RS422 interface; 300. Connecting structure; 310. First limiting rod; 311. First sub-limiting rod; 312. Second sub-limiting rod; 320. Rotating component body; 321. Limiting part; 322. Center point; 330. First connecting shaft; 340. First outer shell; 400. Contouring groove; 401. First limiting end; 402. Second limiting end; 410. Rotating structure; 420. Second limiting rod; 430. Second connecting shaft; 440. Second outer shell; 500. Nested structure; 3210. Groove structure. Detailed Implementation

[0029] To make the objectives, technical solutions, and advantages of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0030] As described in the background section, current PTZ cameras suffer from motor over-rotation issues during use. This causes excessive loads on the PTZ's transmission mechanisms, such as gears and bearings, leading to accelerated wear and even damage. Furthermore, prolonged over-rotation or overload can cause the motor temperature to rise beyond its rated operating range, resulting in motor burnout. To address this issue, limit sensors or Hall effect chips are added beside the motor to detect its rotational position, ensuring it stops rotating when approaching its limit. However, these sensors and chips sometimes experience signal errors or loss, causing the motor to continue rotating and triggering over-rotation. Additionally, the high cost of these sensors and chips increases the overall configuration cost of the PTZ camera.

[0031] Based on this, this application provides a commercial audio and video recording PTZ camera, which aims to solve the technical problem in the prior art where the motor continues to rotate due to sensor or chip detection failure, causing over-rotation.

[0032] refer to Figures 1 to 4 A typical pan-tilt camera includes: a camera mechanism 10 for capturing images; a recording mechanism for capturing audio from the environment; a base 20 for mounting the camera mechanism 10 and the recording mechanism; a first rotating mechanism 30 for rotating the camera mechanism 10 horizontally; and a second rotating mechanism 40 for rotating the camera mechanism 10 vertically. Both the first rotating mechanism 30 and the second rotating mechanism 40 are equipped with mechanical limit structures to prevent damage to the motor itself and the pan-tilt camera caused by over-rotation of the motor.

[0033] The following is a detailed analysis of the commercial audio and video recording PTZ camera provided in this application, with reference to the accompanying drawings. Figures 1 to 4 The pan-tilt camera includes a camera mechanism 10, a base 20, and a first rotating mechanism 30 connected between the camera mechanism 10 and the base 20. The first rotating mechanism 30 is used to drive the camera mechanism 10 to rotate in a first direction. It includes a connecting structure 300 disposed on the top surface of the base 20, a rotating component disposed on the surface of the connecting structure 300, and a plurality of first limiting rods 310. The rotating component includes a rotating component body 320 and a limiting portion 321 extending relative to the rotating component body 320. The first limiting rods 310 limit the movement of the limiting portion 321 within a preset movement range. The limiting portion 321 has a groove structure 3210. When the movement of the limiting portion 321 exceeds the preset movement range, the groove structure 3210 and the first limiting rods 310 abut against each other.

[0034] The driving component of the first rotating mechanism 30 is a motor. When the PTZ camera is operating normally, if the limiting part 321 moves within the preset movement range, it indicates that the motor is in a normal rotating state. If the limiting part 321 exceeds the preset movement range, it indicates that the motor is over-rotating or in a state of uncontrolled spinning. It is necessary to stop the motor and turn off the PTZ camera immediately.

[0035] In a specific embodiment, such as Figure 1 and Figure 3As shown, the first direction is the horizontal plane direction, including clockwise and counterclockwise rotation along the horizontal plane; the first motor (not shown) is installed inside the base 20, with its fixed end located on the bottom surface of the base 20, and its output end passing through the top surface of the base 20 and the connecting structure 300 before connecting to the rotating body 320. When the output end of the first motor rotates, the rotating body 320 rotates synchronously with the output end. When the first motor is operating normally, the limiting part 321 always moves within a preset movement range. When the first motor rotates excessively or is in a state of uncontrolled spinning, the limiting part 321 abuts against the first limiting rod 310 to prevent the rotating body 320 from continuing to rotate, and at the same time triggers the motor to stop rotating.

[0036] In summary, the cooperation between the first limiting rod 310 and the limiting part 321 improves the safety of the pan-tilt camera when rotating horizontally. When the pan-tilt camera is in an out-of-control state due to motor over-rotation or excessive spinning, the first limiting rod 310 can block the limiting part 321 to prevent the rotating part from continuing to rotate, thereby effectively preventing damage to the motor itself and the pan-tilt camera caused by excessive motor rotation. In addition, the limiting function is achieved mechanically, eliminating the need for additional sensors or chips, reducing configuration costs, and improving the stability of the pan-tilt camera during rotation. The groove structure 3210 provides a specific stop point. The groove structure 3210 and the first limiting rod 310 abut against each other to form a mechanical limiting structure, ensuring the accuracy of the limit and avoiding limiting deviations caused by mechanical errors. At the same time, the groove surface of the groove structure 3210 provides a certain amount of buffering, which can disperse the impact force generated when it abuts against the first limiting rod 310, thereby reducing the impact and wear on the limiting part 321 during limiting.

[0037] Preferably, refer to Figure 3 As shown, the first limiting rod 310 includes a first sub-limiting rod 311 and a second sub-limiting rod 312 symmetrically arranged on both sides of the rotating body 320. The rotating body 320 has a center point 322. On the projection plane of the connecting structure 300, there is a preset over-limiting angle between the line connecting the projection of the first sub-limiting rod 311 and the center point 322 and the line connecting the projection of the second sub-limiting rod 312 and the center point 322.

[0038] The center point is the center of the rotating body 320; by changing the size of the preset overshoot angle, it can adapt to the different movement range requirements of the limiting part 321.

[0039] In a specific embodiment, such as Figure 3As shown, the limiting part 321 has a first side and a second side, both of which are provided with groove structures 3210. On the projection surface of the connecting structure 300, the first sub-limiting rod 311 and the second sub-limiting rod 312 are symmetrical along the central axis of the rotating body 320. Let the size of the preset over-extension angle be α. If the movement range of the limiting part 321 is small, the value of α is large; if the movement range of the limiting part 321 is large, the value of α is small. Under normal circumstances, the rotating body 320 rotates normally under the drive of the first motor, and the limiting part 321 always moves within the preset movement range. When the first motor over-rotates or is in an abnormal state of excessive rotation, if the limiting part 321 rotates clockwise at this time, the groove structure 3210 on the first side abuts against the first sub-limiting rod 311; if the limiting part 321 rotates counterclockwise at this time, the groove structure 3210 on the second side abuts against the second sub-limiting rod 312. This effectively prevents the first motor from over-extension and causing damage to the motor itself and the pan-tilt camera.

[0040] In one specific embodiment, the preset over-position angle α is in the range of 30° to 60°, and the specific value depends on the rotation requirements of the pan-tilt camera in the horizontal direction.

[0041] Preferably, refer to Figure 3 The groove surface of the groove structure 3210 is provided with a buffer (not shown in the figure). When the buffer comes into contact with the first limiting rod 310, it undergoes elastic deformation to generate resistance. After the contact is released, it returns to its original shape.

[0042] In one specific embodiment, the buffer is made of thermoplastic elastomer. When the groove structure 3210 abuts against the first limiting rod 310, the first limiting rod 310 first contacts the thermoplastic elastomer. The thermoplastic elastomer is used to reduce the impact force when the first limiting rod 310 and the limiting part 321 collide, so as to extend the service life of the mechanical limiting structure.

[0043] Preferably, refer to Figures 1 to 3 The first rotating mechanism 30 also includes a first connecting shaft 330 and a first housing 340. One end of the first connecting shaft 330 is sleeved on the rotating body 320, and the other end is connected to the inner top surface of the first housing 340. The side wall of the first housing 340 surrounds the connecting structure 300.

[0044] In one specific embodiment, when the first connecting shaft 330 is sleeved on the rotating body 320, the bottom of the first connecting shaft 330 abuts against the limiting part 321; in another specific embodiment, the bottom of the first connecting shaft 330 is provided with a groove, and when the first connecting shaft 330 is sleeved on the rotating body 320, the limiting part 321 is engaged in the groove.

[0045] The first connecting shaft 330 ensures that the rotating component can smoothly transmit power during rotation, so that the first housing 340 rotates synchronously. The first housing 340 provides additional protection for the entire first rotating mechanism 30, avoiding the influence of external interference on the internal components.

[0046] Preferably, refer to Figure 1 , Figure 2 and Figure 4 The pan-tilt camera also includes a second rotating mechanism 40 connected between the first rotating mechanism 30 and the camera assembly 10; the second rotating mechanism 40 is used to drive the camera assembly 10 to rotate along a second direction, wherein the second direction is perpendicular to the first direction, and includes a contouring groove 400 and a rotating structure 410. The contouring groove 400 has a first limiting end 401 and a second limiting end 402 opposite to each other. One side of the rotating structure 410 is provided with a second limiting rod 420, which passes through the contouring groove 400 and is limited between the first limiting end 401 and the second limiting end 402.

[0047] Among them, such as Figure 4 As shown, the PTZ camera also includes a second motor (not shown) connected to the side of the rotating structure 410 away from the contour slot 400. The second direction is the vertical direction, including clockwise and counterclockwise rotation along the vertical direction. Under normal operation, the second limit lever 420 also has a set range of movement. If the second limit lever 420 moves within this range, it indicates that the second motor is in normal rotation. If the second limit lever 420 exceeds this range, it indicates that the second motor is over-rotating or in a state of uncontrolled over-rotation, requiring immediate stopping of the second motor and shutdown of the PTZ camera.

[0048] In a specific embodiment, such as Figure 4 As shown, when the second motor is running normally, the rotating structure 410 rotates synchronously, and the second limit rod 420 moves along the groove path of the contour groove 400 in the contour groove 400; when the second motor over-rotates or is in a state of uncontrolled spinning, if the second motor over-rotates counterclockwise, the second limit rod 420 abuts against the first limit end 401 to prevent the second motor from continuing to rotate and trigger the second motor to stop; if the second motor over-rotates clockwise, the second limit rod 420 abuts against the second limit end 402 to prevent the second motor from continuing to rotate and trigger the second motor to stop.

[0049] In summary, the second limit rod 420 and the contour groove 400 improve the safety of the pan-tilt camera when it rotates in the vertical direction. Combined with the first limit rod 310 and the limit part 321, they effectively prevent damage to the motor itself and the pan-tilt camera caused by over-rotation of the motor.

[0050] Preferably, refer to Figure 1 , Figure 2 and Figure 4 The second rotating mechanism 40 also includes a second connecting shaft 430 and a second housing 440. The second housing 440 covers the rotating structure 410 and has an opening. One end of the second connecting shaft 430 is connected to the rotating structure 410, and the other end passes through the opening and is connected to the camera mechanism 10.

[0051] In one specific embodiment, the second motor is located inside the second housing 440, and the output end of the second motor passes through the rotating structure 410 and is connected to the second connecting shaft 430.

[0052] The second connecting shaft 430 ensures the smooth transmission of power from the second motor, enabling the camera mechanism 10 to rotate stably. The second housing 440 provides additional protection for the entire second rotating mechanism 40, preventing external interference from affecting the internal components.

[0053] Preferably, the PTZ camera further includes a support mechanism 50 connected between the first rotating mechanism 30 and the second rotating mechanism 40, and includes a nested structure 500 having an extended state and a retracted state.

[0054] The camera mechanism 10 is moved by the first rotating mechanism 30 and the second rotating mechanism 40, enabling multi-directional and multi-angle shooting. Previously, the connecting piece between the first rotating mechanism 30 and the second rotating mechanism 40 had a fixed length, limiting the adjustment of the shooting angle in the height direction. When the scene or person in the frame was too high or too low, simply using the two rotating mechanisms to bring the camera mechanism 10 to a suitable position still could not ensure that the captured scene or person was centered in the frame. In this case, it was necessary to adjust the overall placement of the pan-tilt camera to change the shooting height of the camera mechanism 10. Since adjusting the position of the pan-tilt camera was cumbersome and affected the continuity and stability of the shooting, this embodiment sets up a support mechanism 50 to connect the first rotating mechanism 30 and the second rotating mechanism 40. The length of the support mechanism 50 is adjusted using the telescopic characteristics of the nested structure 500, allowing the second rotating mechanism 40 to reach a suitable position. This enables the camera mechanism 10 to display the captured scene or person in the center of the frame, simplifying the shooting position adjustment process and significantly improving the shooting flexibility and adaptability of the pan-tilt camera.

[0055] Preferably, refer to Figure 1 The camera mechanism 10 includes a housing, a lens 100 disposed in the housing, and at least one image sensor located inside the housing. The housing is connected to the second rotating mechanism 40. The lens 100 focuses the light reflected from outside the lens onto the surface of the image sensor.

[0056] In one specific embodiment, the housing is sandwiched between two second rotating mechanisms 40. When the two second rotating mechanisms 40 are started synchronously, the housing rotates synchronously with the second connecting shaft 430. The lens 100 has a radial preset field of view that covers the field of view to be captured. The preset field of view is determined by the size of the image sensor and can be adjusted by replacing the image sensor with a different size.

[0057] Preferably, the PTZ camera also includes a recording mechanism located inside the base 20 and connected to the camera module 10, wherein the audio signal of the recording mechanism and the video signal of the camera module 10 have a preset delay range.

[0058] In traditional PTZ cameras, the synchronization of audio and video signals often relies on external devices or software adjustments, which can easily lead to synchronization errors. By integrating a recording mechanism inside the base 20 and setting a preset delay range, synchronization between audio and video is ensured to meet the needs of various scenarios. For example, in actual live streaming or conference scenarios, synchronized audio and video can provide viewers or participants with a more natural and smooth viewing experience, reducing interference caused by latency.

[0059] Preferably, refer to Figure 1 The pan-tilt camera also includes a power supply battery. The base 20 is equipped with a battery holder 200, in which the power supply battery is installed.

[0060] In a specific embodiment, such as Figure 2 As shown, the base 20 also includes a power input interface configured to be connected to an external power source via a power cord; a USB interface 202 configured to insert a USB flash drive for software updates of the PTZ camera; an HDMI interface 203 configured to be connected to a monitor with an HDMI port via a connection cable; an SDI interface 204 configured to be connected to a monitor with an SDI port via a connection cable; and an RS422 interface 205 configured to be connected to a device conforming to the RS422 protocol via a data cable.

[0061] In one specific embodiment, the power supply battery is a lithium-ion battery, which switches to lithium-ion battery power supply when the external power supply stops.

[0062] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0063] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0064] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A pan-tilt-zoom camera for commercial audio-video recording, characterized by, The pan-tilt camera includes: The camera mechanism (10), the base (20), and the first rotating mechanism (30) connected between the camera mechanism (10) and the base (20); The first rotating mechanism (30) is used to drive the camera mechanism (10) to rotate in a first direction. It includes a connecting structure (300) disposed on the top surface of the base (20), a rotating member disposed on the surface of the connecting structure (300), and a plurality of first limiting rods (310). The rotating member includes a rotating member body (320) and a limiting part (321) extending relative to the rotating member body (320). The first limiting rods (310) limit the movement of the limiting part (321) within a preset movement range. The limiting part (321) has a groove structure (3210). When the movement of the limiting part (321) exceeds the preset movement range, the groove structure (3210) and the first limiting rod (310) abut against each other.

2. The pan-tilt-zoom camera for commercial audio-video recording according to claim 1, characterized in that, The first limiting rod (310) includes a first sub-limiting rod (311) and a second sub-limiting rod (312) symmetrically arranged on both sides of the rotating body (320). The rotating body (320) has a center point (322). On the projection plane of the connecting structure (300), there is a preset over-limiting angle between the line connecting the projection of the first sub-limiting rod (311) and the center point (322) and the line connecting the projection of the second sub-limiting rod (312) and the center point (322).

3. The pan-tilt camera for commercial audio-video recording according to claim 1, characterized in that, The groove surface of the groove structure (3210) is provided with a buffer. When the buffer comes into contact with the first limiting rod (310), it undergoes elastic deformation to generate resistance. After the contact is released, it returns to its original state.

4. The pan-tilt camera for commercial audio-video recording according to claim 1, characterized in that, The first rotating mechanism (30) further includes a first connecting shaft (330) and a first housing (340). One end of the first connecting shaft (330) is sleeved on the rotating body (320), and the other end is connected to the inner top surface of the first housing (340). The side wall of the first housing (340) surrounds the connecting structure (300).

5. The pan-tilt camera for commercial audio-video recording according to any one of claims 1 to 4, characterized in that, The PTZ camera also includes a second rotating mechanism (40) connected between the first rotating mechanism (30) and the camera mechanism (10); The second rotating mechanism (40) is used to drive the camera mechanism (10) to rotate along a second direction, wherein the second direction is perpendicular to the first direction, and includes a contour groove (400) and a rotating structure (410). The contour groove (400) has a first limiting end (401) and a second limiting end (402) opposite to each other. One side of the rotating structure (410) is provided with a second limiting rod (420). The second limiting rod (420) passes through the contour groove (400) and is limited between the first limiting end (401) and the second limiting end (402).

6. The pan-tilt camera for commercial audio-video recording according to claim 5, characterized in that, The second rotating mechanism (40) further includes a second connecting shaft (430) and a second housing (440). The second housing (440) covers the rotating structure (410) and has an opening. One end of the second connecting shaft (430) is connected to the rotating structure (410), and the other end passes through the opening and is connected to the camera mechanism (10).

7. The pan-tilt camera for commercial audio-video recording according to claim 6, characterized in that, The PTZ camera also includes a support mechanism (50) connected between the first rotating mechanism (30) and the second rotating mechanism (40), and includes a nested structure (500) having an extended state and a retracted state.

8. The pan-tilt camera for commercial audio-video recording according to claim 6, characterized in that, The camera mechanism (10) includes a housing, a lens (100) disposed in the housing, and at least one image sensor located inside the housing. The housing is connected to the second rotating mechanism (40), and the lens (100) focuses the light reflected from outside the lens onto the surface of the image sensor.

9. The pan-tilt camera for commercial audio-video recording according to claim 1, characterized in that, The PTZ camera also includes a recording mechanism located inside the base (20) and connected to the camera module (10). The audio signal of the recording mechanism and the video signal of the camera module (10) have a preset delay range.

10. The pan-tilt camera for commercial audio-video recording according to claim 1, characterized in that, The PTZ camera also includes a power supply battery, and the base (20) is provided with a battery holder (200), in which the power supply battery is installed.

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