System comprising construction machine, transport vehicle with loading space and image-recording device, and method for displaying an image stream during the loading or unloading of a transport vehicle

Patent metadata

Field	Value
Publication number	US-11242003-B2
Application number	US-201716070834-A
Country	US
Kind code	B2
Filing date	Jan 23, 2017
Priority date	Jan 21, 2016
Publication date	Feb 8, 2022
Grant date	Feb 8, 2022

Abstract

In a system (1) comprising construction machine (2), transport vehicle (3) with loading space (4) and image-recording device (5, 36), wherein the image-recording device (5, 36) is arranged at the construction machine (2) and aligned, as a minimum, also towards the loading space (4) of the transport vehicle (3), it is specified for the following features to be achieved: that a reception and display device (18) is arranged at or in the transport vehicle (3), wherein the data recorded by the image-recording device (5, 36) are transmitted to the reception and display device (18) by means of a transmission device (46) arranged at the construction machine (2).

First claim

The invention claimed is:

1. A system comprising:
a construction machine having a machine frame and a conveyor arranged to pivot at the machine frame; and
an image-recording device comprising one camera aligned to provide a viewing angle comprising each of a loading space of a transport vehicle and at least a part of the machine frame;

wherein data recorded by the image-recording device are transmitted to a reception and display device arranged at or in the transport vehicle, by means of a transmission device arranged at the construction machine.

2. The system of claim 1 , wherein the recorded and transmitted data comprise image data.

3. The system of claim 1 , wherein the image-recording device is also aligned towards the conveyor.

4. The system of claim 1 , wherein the image-recording device is arranged at the conveyor.

5. The system of claim 4 , wherein the image-recording device is pivotable relative to the conveyor to maintain an alignment relative to a ground plane and independent of an angle of inclination of the conveyor relative to the machine frame of the construction machine.

6. The system of claim 1 , wherein the construction machine comprises a receptacle and the image-recording device is also aligned towards the receptacle.

7. The system of claim 1 , wherein the camera records an image stream.

8. The system of claim 7 , wherein the camera is : a video camera with a wide-angle lens, an infrared camera, a stereoscopic camera, or a PMD camera.

9. The system of claim 7 , further comprising one or more of: at least one illuminant arranged at or next to the camera; and at least one mirror placed in a field of view of the camera wherein an observable area is selectively enlarged.

10. The system of claim 7 , wherein the camera is arranged at an unmanned aerial vehicle.

11. The system of claim 1 , wherein the image-recording device further detects a registration plate of the transport vehicle.

12. The system of claim 1 , wherein the transmission device further transmits data to the reception and display device relating to a milling material.

13. The system of claim 1 , wherein the transmission device further transmits messages from a driver of the construction machine to a driver of the transport vehicle comprising start or stop signals specified by the driver of the construction machine for the driver of the transport vehicle.

14. The system of claim 1 , wherein the reception and display device comprises a second transmission device, and that a second reception device is arranged at the construction machine so that messages can be sent from a driver of the transport vehicle to a driver of the construction machine via the second transmission device.

15. The system of claim 1 , further comprising an evaluation unit configured to evaluate the data of the image-recording device and determine one or more of: a filling level in the loading space; a distance between the construction machine and the transport vehicle; and a point of impingement of material in the loading space.

16. The system of claim 15 , wherein the transmission device further transmits to the reception and display device data determined by the evaluation unit, said data determined by the evaluation unit comprising one or more of: start or stop signals for a driver of the transport vehicle; a mass of the loaded milling material; and a collision warning.

17. The system of claim 15 , wherein the evaluation unit is configured to determine, as a function of a point of impingement of the material in the loading space and/or as a function of a distance between the construction machine and the transport vehicle, a start or stop signal which is transmitted to the reception and display device via the transmission device.

18. The system of claim 1 , wherein the reception and display device is a portable computer.

19. The system of claim 1 , further comprising a first storage device arranged at the construction machine, wherein the reception and display device comprises a second storage device, and wherein the data transmitted to the reception and display device is stored in one or more of the first storage device and the second storage device.

20. A method for displaying an image stream during the loading or unloading of a transport vehicle, the method comprising:
recording images with an image-recording device mounted at a construction machine comprising a machine frame and a conveyor arranged to pivot at the machine frame, wherein the image-recording device is one camera aligned to provide a viewing angle comprising each of a loading space of the transport vehicle and at least a part of the machine frame; and
transmitting, receiving and displaying the data recorded with the image-recording device on a reception and display device arranged at or inside the transport vehicle.

21. The method of claim 20 , further comprising simultaneous displaying at least two subset image streams on a screen of the reception and display device, wherein each subset image stream contains a separate subset of images from the image stream.

22. The method of claim 20 , further comprising determining an original position and/or alignment of the image-recording device is determined and, pursuant to a change in the position or alignment, displaying the image stream according to the original alignment.

23. The method of claim 20 , further comprising specifying one or more of: at least one illuminant arranged at or next to the image-recording device; and at least one mirror placed in a field of view of the image-recording device wherein an observable area is selectively enlarged.

24. The method of claim 20 , further comprising detecting a registration plate of the transport vehicle.

25. The method of claim 20 , wherein data relating to a milling material is also transmitted to the reception and display device.

26. The method of claim 20 , wherein messages from a driver of the construction machine to a driver of the transport vehicle are also transmitted to the reception and display device, said messages comprising start or stop signals specified by the driver of the construction machine for the driver of the transport vehicle.

27. The method of claim 20 , wherein messages are sent by a driver of the transport vehicle to an operator of the construction machine.

28. The method of claim 20 , further comprising:
determining data comprising one or more of: start or stop signals for the driver of the transport vehicle; a mass of the loaded milling material; and a collision warning; and
transmitting the determined data to the reception and display device in addition to the data recorded by the image-recording device.

29. The method of claim 28 , further comprising storing the data recorded by the image-recording device, and/or the determined data, in a first storage device arranged at the construction machine, and/or in a second storage device arranged at the reception and display device.

30. The method of claim 20 , further comprising evaluating the image data and determining one or more of: a filling level in the loading space; a distance between the construction machine and the transport vehicle; and a point of impingement of material in the loading space.

31. The method of claim 30 , wherein a start or stop signal is determined as a function of the point of impingement of

Assignees

• Wirtgen Gmbh

Inventors

• Borkowski Helmut

Classifications

• G05D1/249

  from positioning sensors located off-board the vehicle, e.g. from cameras · CPC title

• G05D1/695

  for maintaining a fixed relative position of the vehicles, e.g. for convoy travelling or formation flight · CPC title

• E01C23/088

  Rotary tools, e.g. milling drums {(for forming recesses to receive marking materials E01C23/0946)} · CPC title

• G08G1/163

  involving continuous checking · CPC title

• B65G2203/041

  Camera · CPC title