Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
  • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
  • F16M11/02—Heads
  • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
  • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
  • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
  • F16M11/105—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis the horizontal axis being the roll axis, e.g. for creating a landscape-portrait rotation
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
  • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
  • F16M11/02—Heads
  • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
  • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
  • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
  • F16M11/20—Undercarriages with or without wheels
  • F16M11/2007—Undercarriages with or without wheels comprising means allowing pivoting adjustment
  • F16M11/2014—Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
• • G—PHYSICS
  • G08—SIGNALLING
  • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
  • G08B13/00—Burglar, theft or intruder alarms
  • G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
  • G08B13/189—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems
  • G08B13/194—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems
  • G08B13/196—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using passive radiation detection systems using image scanning and comparing systems using television cameras
  • G08B13/19617—Surveillance camera constructional details
  • G08B13/1963—Arrangements allowing camera rotation to change view, e.g. pivoting camera, pan-tilt and zoom [PTZ]

Definitions

• the present invention relates to moveable platforms which are used for directing optical devices, laser devices, surveillance cameras, optical test and measurement devices and other similar devices and systems, which have to be remote controlled and directed, with precision towards the desired direction in horizontal and vertical axis.
• the Chinese patent document no. CN101725803 (A) discloses a rotatable platform which comprises a base, a first motor, a first platform, a second motor, a rotary component and a second platform fixed relative to the first platform.
• the first motor drives the first platform and the second motor drives the rotary component to rotate around a first and a second axis relative to the first and second platform.
• the rotatable platform can rotate in a wider range in different directions.
• the objective of the present invention is to provide a movable platform, which has a flexible mechanical interface, and which is easily compatible with many different devices, easy to use and remote controlled.
• Figure 1 is the exploded view of the platform.
• Figure 2 is a view of the actuators and the body.
• Figure 3 is a view of the lower body.
• Figure 4 is a view of the cover and the electronic unit.
• Figure 5 is a view of the support lever.
• FIG. 6 is the schematic view of the electronic unit.
• the components in the figures are assigned reference numbers as follows:
• a motion-controlled platform for electro-optical devices basically comprises
• At least one single piece body (2) having a horizontal part (21) and a vertical part (22),
• At least one elevation actuator (3) which is located in the vertical part (22) and which provides movement in vertical (elevation) axis
• an electronic unit (4) which is adapted to generate the power required for operation of the platform (1) and to enable the platform (1) to be controlled and updated,
• At least one lower body (6) which comprises at least one slip ring (61), at least one slip ring body (62) and at least one harmonic drive (63), and which is fixed to the horizontal part (21),
• the inventive platform (1) additionally comprises in a preferred embodiment thereof
• the body (2) is a single piece which mechanically holds together all parts of the platform. It comprises horizontal and vertical parts (21), (22) which are designed to be suitable for operation of the platform (1) with electro-optical devices.
• the actuator units (3) (7) comprise at least one brushless torque motor, at least one gear set, at least one encoder, at least one coupling, a plurality of bearings and at least one connection surface (9).
• the electronic unit (4) comprises at least one CPU board (41) that runs the loaded software, at least one motion control board (42) adapted to enable movement of the actuators (3), (7), at least one power board (43) adapted to enable operation of the platform at both 12 V and 24/28 V input voltages, and at least one PWM board (44) adapted to drive the brushless motors.
• the electronic unit (4) is fixed on the cover (5).
• the cover covers the vertical part (22) of the body (2) and protects the electronic unit (4) and the elevation actuator (3) against external factors.
• the lower body (6) is mounted to the horizontal part (21).
• the slip ring (61) of the lower body (6) and the connection surface (9) of the windage actuator (7) correspond to each other and are connected to each other.
• Harmonic drive (63) is used for the rotary movement made in horizontal axis.
• the brushless torque motor provided in the actuators (3), (7) receives the commands of the movement that it will make from the motion control board (42).
• An electro-optical device is connected to the connection surface (9) of the elevation actuator (3). This way, rotary movement of the elevation actuator (3) is transmitted directly to the device.
• Rotary movement of the windage actuator (7) is transferred, by means of the use of the slip ring, to the lower body, the body (2) that is connected thereto and thus to the entire platform (1).
• the electro-optical device that will be used is located on the support lever (8). Connection of the device and the support lever (8) is provided by the shaft support arm (83). The other part of the shaft support arm (83), which is not connected to the electro-optical device, is mounted to the connection surface (9) of the elevation actuator (3). This way, rotary movement of the elevation actuator (3) is transmitted to the shaft support arm (83) and the bearing (82) and thus to the electro-optical device.
• the bearing (82) and the end of the shaft support arm (83) are located within the hole (81).
• the energy required for operation of the platform (1) is provided by the power board (43).
• the electric energy coming to the power board (43) from an external supply via the connectors (not shown in the figures) on the platform (1) makes the platform (1) operational.
• motion control and general adjustments e.g. motor speed control, motor limit values
• the external control unit is a computer.
• RS422 protocol is used in the connectors.
• the transmission lines required for power distribution and command communication reach the platform (1) and the electro-optical device which will be used with the platform via the slip ring (61).
• CPU board (41) runs the system software.
• CPU board transmits commands to the motion control board (42) and the PWM board according to the parameters determined by the said software and external control unit.
• the general adjustments and parameters include values such as PID (proportional-integral- derivative) control parameters, speed, acceleration, limit values, maximum speed that will be used in motor control.
• CPU board (41) generates the commands according to the said information determined by the user.
• PWM board (44) drives the brushless torque motors (3), (7) in the actuators and the motion control board (42) enables the desired movement to be made.
• the boards (41), (42), (43), (44) constituting the electronic unit (4) are selected in accordance with PC 104 standard.
• the power board (43) generates 5V and 48V DC voltages and can operate between 12 V and 30V DC.
• a useful and ergonomic structure is obtained with the inventive motion-controlled platform for electro-optical devices (1). Since the boards (41, (42), (43), (44) integrated into the device are of a unique design, they are open to external programming and development. As a mechanical interface design is made compatible with the devices that will be used with the platform, a great mounting ease is provided. Within the framework of these basic concepts, it is possible to develop various embodiments of the inventive motion-controlled platform for electro-optical devices (1). The invention can not be limited to the examples described herein and it is essentially as defined in the claims.

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• Engineering & Computer Science (AREA)
• General Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Physics & Mathematics (AREA)
• General Physics & Mathematics (AREA)
• Optical Communication System (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=48916135

Family Applications (1)

Country Status (1)

Citations (8)

• 2013
  • 2013-06-06 WO PCT/IB2013/054666 patent/WO2013186675A1/fr not_active Ceased

Patent Citations (8)

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