CN200944176Y - Two degrees of freedom cloud platform - Google Patents

Abstract

The utility model discloses a pan unit with two degrees of freedom suitable for network image/video frequency monitoring system, which comprises a bracket, a group of driving elements and a group of imaging collection elements. The bracket and the group of driving elements are interference fit jointed with a tiller A through an output axis of a second steering gear. The group of driving elements and the group of image collection elements are in the interference fit jointed with a tiller B through the output axis of the first steering gear. The utility model is provided with a GPRS antenna and an interface for Ethernet, through the latter two of which the wire or wireless remote control on and adjustment of the monitoring angle of the vidicon are accomplished. Meanwhile, the structural design is reasonable, with impact mechanical dimension and smaller size of the whole device. With the built-in power, the flexibility of the device is greatly improved.

Description

Two degrees of freedom cloud platform

technical field

The utility model relates to a two-degree-of-freedom cloud platform suitable for a networked image/video monitoring system.

Background technique

At present, video surveillance systems are used in more and more occasions. For the fixed installation of the camera at the video information collection end, it is generally fixed together with a bracket or a mounting plate. For the camera that has been fixed, the adjustment of its angle cannot be automated, and it is convenient and quick to perform multi-angle adjustments according to the required acquisition needs. In order to solve this defect, the utility model provides a pan-tilt mechanism with two-degree-of-freedom movement capable of adjusting the orientation of the camera from multiple angles.

Contents of the invention

The purpose of this utility model is to provide a two-degree-of-freedom platform suitable for networked image/video monitoring systems. The platform drives two steering wheels through two steering gears to realize the camera monitoring angle in the vertical direction and the horizontal direction. The angle of view changes.

The utility model is a two-degree-of-freedom cloud platform, which is composed of a base, a driving component and an image acquisition component. The acquisition assembly is connected with the steering wheel B through an interference fit through the output shaft of the first steering gear. The two-degree-of-freedom cloud platform of the utility model realizes remote wired or wireless control and adjustment of the monitoring angle of the camera through the provided GPRS antenna and Ethernet interface.

The advantage of the utility model two-degree-of-freedom platform is:

(1) A rudder plate is connected to the output end of the first steering gear to realize the angle adjustment of the camera monitoring angle on the horizontal axis; a steering wheel is connected to the output end of the second steering gear to realize the camera monitoring angle of view on the vertical axis The angle is adjustable;

(2) by designing a through hole 103 at the end of the support 102 of the base 1, and designing a variety of installation methods of the mounting hole 108 on the mounting seat 101 of the base 1, the use environment of the camera monitoring device is improved;

(3) By installing a communication control circuit in the base 1, a GPRS antenna 105 and an Ethernet interface 107 are set on the base 1, so that the camera monitoring angle can be adjusted in a GPRS wireless or Ethernet wired mode;

(4) The structure design is reasonable, the mechanical size is compact, and the whole device is small in size, and the flexibility of the device is greatly improved by means of its own power supply.

Description of drawings

Fig. 1 is the external view of the two-degree-of-freedom platform of the present invention.

Figure 2 is a structural diagram of the base.

Figure 3 is a structural diagram of the drive assembly.

Fig. 3A is a structural diagram of the drive assembly of the steering gear installation box.

Figure 4 is a structural diagram of the image acquisition component.

In the figure: 1. Base 101. Mounting seat 102. Support 103. Through hole

104. Rudder plate A 105. GPRS antenna 106. Power box 107. Ethernet interface 108. Mounting hole

2. Drive assembly 201. Upper cover 202. Lower cover 203. Right cover 204. Left cover

205. Spacer 206. First steering gear 207. Second steering gear 208. Output shaft 209. Output shaft

210. Gasket 3. Image acquisition component 301. Installation box 302. Steering wheel B 303. Camera

Detailed ways

The utility model will be described in further detail below in conjunction with accompanying drawing.

The utility model is a two-degree-of-freedom cloud platform suitable for a networked image/video monitoring system. The output shaft 209 of the first steering gear 206 is connected with the steering wheel B 302 by an interference fit with the steering wheel A 104, and the drive assembly 2 and the image acquisition assembly 3 are connected with the steering wheel B 302 through the output shaft 208 of the first steering gear 206.

The central position of the upper end surface of the mounting seat 101 of the base 1 is provided with a support 102 (the support 102 is used to hold up the drive assembly 2, and it is also used to fix the two-degree-of-freedom cloud platform of the present invention on the column), and the support 102 ends are fixedly connected with rudder plate A104, and support 102 is provided with through-hole 103 (through-hole 103 is used for the utility model two-degree-of-freedom pan-tilt and column realizes fixing), and the upper end surface of mounting seat 101 is provided with GPRS antenna 105 And the power supply box 106 (the power supply placed in the power supply box 106 is a lithium battery, output 9V voltage) for placing the power supply, one side of the mounting base 101 is provided with an Ethernet interface 107 (the design of the Ethernet interface 107 has realized the utility model. The new two-degree-of-freedom pan/tilt can form a network through a wired connection, which solves the problem that the image information transmission speed is too slow under the GPRS wireless connection when the image needs to be transmitted quickly), and the bottom of the mounting base 101 is provided with multiple mounting holes 108 (mounting hole 108 is used for the utility model two degrees of freedom cloud platform and plane board realize fixing);

The first steering gear 206 and the second steering gear 207 of the drive assembly 2 are fixed in the steering gear installation box, and the steering gear installation box is composed of an upper cover plate 201, a lower cover plate 202, a left cover plate 204 and a right cover plate 203 , the upper and lower ends of the left cover plate 204 and the right cover plate 203 are fixed with an upper cover plate 201 and a lower cover plate 202, and the right cover plate 203 is provided with a through hole for the first steering gear 206 output shaft 208 to stretch out (in the figure not shown), and a gasket 205 is affixed at the through hole, and the lower cover plate 202 is provided with a through hole (not shown) for the output shaft 209 of the second steering gear 207 to protrude, and in the through hole A gasket 210 is fixedly connected at the place; the output shaft 208 of the first steering gear 206 and the output shaft 209 of the second steering gear 207 in the utility model are kept vertical in the installation position. The first steering gear 206 and the second steering gear 207 adopt the S3003 steering gear produced by Futaba Corporation of Japan, and its output torque can reach 4.1Kg·cm, which fully meets the needs. The output shaft 208 of the first steering gear 206 is connected with the steering wheel B302 by an interference fit, and the gasket 205 is fixed on the right cover plate 203 to realize the image acquisition assembly 3 (the image acquisition assembly 3 of the image acquisition assembly 3) driven by the first steering gear 206. The angle adjustment is determined according to the angle of image information collected by the camera 303) and can be adjusted in the pitch direction. The output shaft 209 of the second steering gear 207 is connected with the steering wheel A104 by interference fit, and the gasket 210 is fixed on the lower cover plate 202 to realize the drive assembly 2 (image acquisition assembly 3) driven by the second steering gear 207. The angle adjustment is determined according to the angle of image information collected by the camera 303) can rotate around the support 102 in the horizontal direction, thereby driving the image acquisition assembly 3 to rotate in the horizontal direction.

The camera of the image acquisition component 3 is installed in the installation box 301 , and the camera head 303 of the camera extends out of the installation box 301 , and a steering wheel B302 is fixed on one side of the installation box 301 . The steering wheel B302 is connected with the output shaft 208 of the first steering gear 206 through an interference fit, so as to realize the adjustment of the image acquisition component 3 in the pitch direction.

The camera in the image acquisition component 3 of the two-degree-of-freedom platform of the utility model selects a CMOS photosensitive element to convert the collected optical signal into a digital signal and compresses it into a jpeg image data format by controlling the compression circuit, and transmits it to the communication through an eight-bit data bus. Control circuit. After the microcontroller of the communication control circuit receives the image data, it is temporarily stored in the static memory and sent to the GPRS module through the serial port of the microcontroller. The GPRS module establishes a TCP connection with the remote monitoring center through the GPRS network, and sends the image data in real time. After the microcontroller of the communication control circuit receives the image data, it can also pass the image data through the Ethernet controller (Ethernet interface 107 on the base 101) through the temporary storage of the static memory. The local area network sends the real-time access client to the established connection.

Claims (2)

1, a kind of cradle head of two degrees of freedom, it is characterized in that: form by pedestal (1), driven unit (2) and image collection assembly (3), pedestal (1) is connected with steering wheel A (104) interference fit with the output shaft (209) of driven unit (2) by second steering wheel (207), and driven unit (2) is connected with steering wheel B (302) interference fit with the output shaft (208) of image collection assembly (3) by first steering wheel (206);

The center position of the upper surface of the mount pad (101) of described pedestal (1) is provided with support (102), support (102) end and be connected with steering wheel A (104), support (102) and be provided with through hole (103), the upper surface of mount pad (101) is provided with GPRS antenna (105) and supplies to place the power supply box (106) of power supply, one side of mount pad (101) is provided with Ethernet interface (107), and the bottom of mount pad (101) is provided with a plurality of mounting holes (108);

First steering wheel (206) of described driven unit (2), second steering wheel (207) is fixed in the steering wheel install bin, the steering wheel install bin is by upper cover plate (201), lower cover (202), left cover (204) and right cover plate (203) are formed, the upper and lower end parts of left cover (204) and right cover plate (203) is fixed with upper cover plate (201) and lower cover (202), offer the through hole that stretches out for first steering wheel (206) output shaft (208) on the right cover plate (203), and be connected with pad (205) in the through hole, offer the through hole that stretches out for second steering wheel (207) output shaft (209) on the lower cover (202), and be connected with pad (210) in the through hole;

The video camera of described image collection assembly (3) is installed in the install bin (301), and the camera of video camera (303) stretches out install bin (301), is fixed with steering wheel B (302) on the side of install bin (301).

2, cradle head of two degrees of freedom according to claim 1 is characterized in that: the power supply of placing in the described power supply box (106) is a lithium battery, output 9V voltage.

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