CN204536920U - The pinpoint vehicle-mounted pick-up instrument cradle head device of a kind of energy - Google Patents

Abstract

The utility model relates to the technical field of wind power generation inspection equipment, in particular to a vehicle-mounted camera pan-tilt device capable of precise positioning. The utility model provides a vehicle-mounted camera pan-tilt device capable of precise positioning, which includes a base and a pan-tilt controller arranged on the roof of the vehicle. There is a horizontal encoder on the screw of the horizontal rotary reducer, and a pitch drive motor connected to the pitch rotary reducer and a screw of the pitch rotary reducer are arranged on the top of the horizontal rotary reducer, and a pitch encoder is installed on the screw of the pitch rotary reducer , The lowest position limit switch and the highest position limit switch are set on the pitching and slewing reducer, the center of the pitching and slewing reducer is fixed with a camera bracket, and a camera is installed on the camera bracket. The utility model can provide a precise positioning control pan-tilt device for the non-stop inspection of fan blades in a wind power generation system.

Description

A vehicle-mounted camera pan-tilt device capable of precise positioning

technical field

The utility model relates to the technical field of wind power generation inspection equipment, in particular to a vehicle-mounted camera pan-tilt device capable of precise positioning.

Background technique

In the prior art, in the wind power generation system, the daily inspection of the blades of the fan is an important link in the daily management process of the maintenance of the wind power. At present, the commonly used manual inspection method needs to be carried out when the fan is out of operation, and the operation time is relatively long. At the same time, the shutdown of the fan will cause the loss of power generation, which is not conducive to improving the utilization rate of the fan. The intelligent inspection with the high-definition high-speed vehicle-mounted camera as the core device can realize the inspection of the blades without stopping the machine, reduce the downtime inspection time of the unit, improve the availability of the fan, and ensure the safe and stable operation of the fan. Although the existing vehicle-mounted pan-tilt system can realize monitoring and horizontal and vertical adjustment functions, it cannot meet the precise positioning control requirements of the vehicle-mounted camera for inspection of the blades. Vehicle camera cloud tilt system.

Chinese patent CN2924589Y discloses a cloud platform device, which includes a fixed base, a cloud platform base, a connecting block and a knob arranged on the cloud platform base, the knob passes through the connecting block and is screwed to the cloud platform base, the The fixed seat is placed on the upper surface of the pan platform base, and is clamped between the pan platform base and the connecting block. A photography/camera can be fixed on the upper surface of the fixed seat, and a push rod is arranged on the pan platform base adjacent to On one side of the connection block, press the push rod and rotate the knob to loosen the fixing seat. In this way, the fixing seat can be easily installed and removed. However, it cannot meet the precise positioning control requirements of the vehicle-mounted camera in the wind power generation equipment when the blade is inspected, and can accurately control the requirements of the vehicle-mounted camera pan/tilt for precise positioning.

Utility model content

In order to overcome the defects in the prior art, the utility model provides a vehicle-mounted camera pan-tilt device capable of precise positioning, which provides a precise positioning control pan-tilt device for realizing the non-stop fan blade inspection of the wind power generation system.

The utility model is realized through the following technical scheme: a vehicle-mounted camera pan-tilt device capable of precise positioning, the vehicle-mounted camera pan-tilt device includes a base and a pan-tilt controller arranged on the roof, and There is a horizontal drive motor connected to the horizontal rotary reducer and a horizontal rotary reducer screw, the horizontal encoder screw is provided with a horizontal encoder, and the top of the horizontal rotary reducer is provided with a pitch motor connected to the pitch rotary reducer. The drive motor and the pitching rotary reducer screw, the pitching rotary reducer screw is provided with a pitch encoder, the pitch rotary reducer is provided with a minimum limit switch and a maximum limit switch, and the pitch rotary reducer A camera bracket is fixedly installed at the central position, and a camera is arranged on the camera bracket.

Further, the pan-tilt controller is respectively connected with a horizontal encoder, a pitch encoder, a horizontal drive motor driver and a pitch drive motor driver, and the horizontal drive motor driver and the pitch drive motor driver are respectively connected with the horizontal drive motor and the pitch drive motor connected, the horizontal drive motor and pitch drive motor are connected with the camera pan/tilt.

Further, the pitch encoder and horizontal encoder are incremental encoders.

Further, the horizontal drive motor and pitch drive motor are stepping motors.

Further, the horizontal slewing reducer and the pitch slewing reducer are gapless precision servo slewing reducers.

Further, the rotation angle of the horizontal slewing reducer is 360°, and the rotation angle of the pitch slewing reducer is -75°-90°.

Further, the pan/tilt controller is a single-chip microcomputer or a DSP controller.

Further, a serial communication interface is provided on the pan/tilt controller.

Compared with the prior art, the vehicle-mounted camera pan-tilt device capable of precise positioning described in the utility model has the superior effect that the utility model receives the camera position control information sent by the upper computer through the pan-tilt controller, and sends it after calculation. The pulse control signal is sent to the stepper motor driver, and the stepper motor driver drives the stepper motor to rotate and then drives the camera to pan and tilt to the set position, and feed back the current position information to the host computer through the incremental controller. The vehicle-mounted pan-tilt system is installed On the roof, the pan/tilt controller communicates with the upper computer in the car through the serial communication interface, which can conveniently and quickly realize the position control of the camera, and provide accurate positioning control for the inspection of the fan blades when the wind power generation system is not shutting down. PTZ system.

Description of drawings

Fig. 1 is the front view of the structure of the vehicle-mounted camera pan-tilt device capable of precise positioning described in the utility model;

Fig. 2 is the left side view of the structure of the vehicle-mounted camera pan-tilt device capable of precise positioning described in the utility model;

Fig. 3 is a structural block diagram of the control system of the vehicle-mounted camera pan-tilt device capable of precise positioning according to the utility model.

The reference signs are as follows:

1-Pitching rotary reducer, 2-camera, 3-camera bracket, 4-highest limit switch, 5-pitch driving motor, 6-horizontal driving motor, 7-horizontal rotary reducer, 8-base, 9 -horizontal rotary reducer screw, 10-horizontal encoder, 11-pitch rotary reducer screw, 12-pitch encoder, 13-lowest limit switch, 14-pan/tilt controller, 15-serial communication interface, 16 -Camera gimbal.

Detailed ways

Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is described in further detail.

As shown in Figure 1-3, a kind of vehicle-mounted video camera pan-tilt device that can be accurately positioned provided by the utility model is specifically described, and described vehicle-mounted video camera pan-tilt device comprises the base 8 that is arranged on the roof and the pan-tilt controller 14. The pan/tilt controller 14 is provided with a serial communication interface 15, and the base 8 is provided with a horizontal drive motor 6 connected to the horizontal rotary reducer 7 and a horizontal rotary reducer screw 9, and the horizontal rotary reducer A horizontal encoder 10 is provided on the screw rod 9, and a pitching drive motor 5 connected to the pitching rotary reducer 1 and a screw rod 11 of the pitching rotary reducer are provided on the top of the horizontal rotary reducer 7. On the screw rod 11 of the pitch rotary reducer A pitching encoder 12 is provided, and the pitching rotary reducer 1 is provided with the lowest limit switch 13 and the highest limit switch 4, and the center position of the pitching rotary reducer 1 is fixed with a camera bracket 3, the The camera support 3 is provided with a camera 2, and the cloud platform controller 14 is connected with the horizontal encoder 10, the pitch encoder 12, the horizontal drive motor driver and the pitch drive motor driver respectively, and the horizontal drive motor driver and the pitch drive The motor driver is connected with the horizontal drive motor 6 and the pitch drive motor 5 respectively, and the horizontal drive motor 6 and the pitch drive motor 5 are connected with the video camera platform 16, and the preferred pitch encoder 12 and the horizontal encoder 10 are incremental encoders , preferably the horizontal drive motor 6 and pitch drive motor 5 are stepping motors. Preferably, the horizontal rotary reducer 7 and the pitch rotary reducer 1 are seamless precision servo rotary reducers, the rotation angle of the horizontal rotary reducer 7 is 360°, and the rotation angle of the pitch rotary reducer 1 is -75°～90°, preferably, the pan/tilt controller 14 is a single-chip microcomputer or a DSP controller.

As shown in Figure 1, the specific working conditions are as follows. The vehicle-mounted camera platform device capable of precise positioning provided by the utility model includes a camera bracket 3, a pitching rotary reducer 1, a pitching drive motor 5, and a pitching rotary reducer screw 11 , Incremental pitch encoder 12 for pitch angle feedback, lowest limit switch 13 for controlling pitch position, highest limit switch 4 for controlling pitch position, horizontal rotary reducer 7, horizontal drive motor 6, horizontal rotary Reducer screw 9, incremental encoder 10 and base 8 for horizontal position feedback, camera bracket 3 are used to realize the fixed installation of camera 2 and carry out horizontal rotation and pitch control under the drive of rotary reducer; 7 is used to control the horizontal rotation of the camera 2; the tilting rotary reducer 1 is used to control the pitch adjustment of the camera 2; the horizontal rotary reducer 7 and the screw 11 of the pitching rotary reducer are respectively connected to the corresponding stepping motors through the deceleration block , when the stepper motor rotates, it will drive the corresponding rotary reducer to rotate to realize the horizontal rotation and pitch rotation adjustment of the camera 2; the stepper motor driver receives the pulse control signal sent by the pan/tilt controller 14 to drive the stepper motor to rotate; The quantitative encoder is installed at the end of the screw of the rotary reducer, and is used to measure the current screw position and feed back the screw position signal to the pan/tilt controller 14; the pitch limit switch is used to rotate the pitch rotary reducer 1 to the lowest position and the highest position. limit function. As shown in Figure 3, the control system in the utility model comprises camera pan-tilt 16, horizontal stepping motor driver, pitching stepping motor driver, pan-tilt controller 14, the incremental level that is used for horizontal position feedback Encoder 10 and the incremental pitch encoder 12 of pitch angle feedback, camera pan-tilt 16 are used to realize the fixed installation of camera 2, drive camera 2 horizontal rotation or pitch adjustment; The communication interface 15 is connected with the host computer, and is used to receive the camera 2 position control information sent by the host computer, and send a pulse control signal to the stepper motor driver to drive the corresponding stepper motor to rotate after calculation; the horizontal stepper motor driver receives The horizontal rotation pulse control signal sent by the cloud platform controller 14 drives the motor horizontally to rotate horizontally to realize the horizontal rotation of the camera 2; the pitch stepper motor driver receives the pitch adjustment pulse control signal sent by the cloud platform controller 14 to control the pitch vertically The drive motor 5 drives the camera pan-tilt 16 to realize the pitch adjustment of the camera 2; the pan-tilt controller 14 receives the screw position information fed back by the incremental encoder and the reduction ratio of the rotary reducer to calculate the current horizontal position and pitch angle of the camera 2 and pass the The serial communication interface 15 feeds back the current position information of the camera 2 to the host computer.

The utility model is not limited to the above-mentioned embodiments. Without departing from the essential content of the utility model, any deformation, improvement and replacement conceivable by those skilled in the art all fall within the scope of the utility model.

Claims (8)

1. an energy pinpoint vehicle-mounted pick-up instrument cradle head device, it is characterized in that, described vehicle-mounted pick-up instrument cradle head device comprises and is arranged on base (8) on roof and cradle head controllor (14), described base (8) is provided with the horizontal drive motor (6) and horizontal rotation speed reduction unit screw rod (9) that are connected with horizontal rotation speed reduction unit (7), described horizontal rotation speed reduction unit screw rod (9) is provided with level code device (10), described horizontal rotation speed reduction unit (7) top is provided with the pitching drive motor (5) and pitching rotary reducer screw rod (11) that are connected with pitching rotary reducer (1), described pitching rotary reducer screw rod (11) is provided with pitching scrambler (12), described pitching rotary reducer (1) is provided with lowest order limit switch (13) and most significant digit limit switch (4), described pitching rotary reducer (1) center is fixed with video camera support (3), described video camera support (3) is provided with video camera (2).

2. according to claim 1 can pinpoint vehicle-mounted pick-up instrument cradle head device, it is characterized in that, described cradle head controllor (14) is connected with level code device (10), pitching scrambler (12), horizontal drive motor driver and pitching drive motor driver respectively, described horizontal drive motor driver and pitching drive motor driver are connected with horizontal drive motor (6) and pitching drive motor (5) respectively, and described horizontal drive motor (6) is connected with video camera The Cloud Terrace (16) with pitching drive motor (5).

3. according to claim 1 can pinpoint vehicle-mounted pick-up instrument cradle head device, it is characterized in that, described pitching scrambler (12) and level code device (10) they are incremental encoder.

4. according to claim 1 can pinpoint vehicle-mounted pick-up instrument cradle head device, it is characterized in that, described horizontal drive motor (6) and pitching drive motor (5) they are stepper motor.

5. according to claim 1 can pinpoint vehicle-mounted pick-up instrument cradle head device, it is characterized in that, described horizontal rotation speed reduction unit (7) and pitching rotary reducer (1) they are gapless accurate servo turning speed reduction unit.

6. according to claim 1 can pinpoint vehicle-mounted pick-up instrument cradle head device, it is characterized in that, the rotation angle of described horizontal rotation speed reduction unit (7) is 360 °, and the rotation angle of described pitching rotary reducer (1) is-75 ° ~ 90 °.

7. according to claim 1 can pinpoint vehicle-mounted pick-up instrument cradle head device, it is characterized in that, described cradle head controllor (14) is single-chip microcomputer or dsp controller.

8. according to claim 1 can pinpoint vehicle-mounted pick-up instrument cradle head device, it is characterized in that, described cradle head controllor (14) is provided with serial communication interface (15).