Security system of construction machine
A construction machine and safety system technology, applied in the field of safety systems, can solve the problems that the construction machine cannot receive the stop signal, cannot know the construction machine, and cannot determine whether to stop the construction machine.
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no. 1 example
[0067] The management of the construction machine may be directly performed by its owner, however, for example, a method for having a management center owned by a manufacturer of the construction machine perform centralized management through a subcontract is also widely adopted. Also, in recent years, the method by which a contractor performing work receives a loan of a construction machine from a leasing company or a rental company has become more widespread. In addition, construction machine manufacturers or service companies that lead experienced repairers and the like generally perform maintenance such as repairs, inspections, and necessary repairs of construction machines. That is, contractors who actually operate construction machines and perform work, owners, managers, technical supporters who perform maintenance, and the like are all related to the construction machines. In an abnormal situation such as the theft of a construction machine, the owner and the manager wh...
no. 2 example
[0099] with the help of Figures 6 to 9 A second embodiment in the case of applying the present invention to an anti-theft system of a hydraulic excavator will be described.
[0100] Image 6 is a block diagram of the anti-theft system in the second embodiment. In this system, information can be transmitted from a base station 240 located at a construction machine manufacturer or the like to an oil excavator (construction machine) 210 via a communication satellite 230 . The transmitted information includes information on the operable time range of the oil excavator 210, and the oil excavator 210 receiving the information takes its own anti-theft measures based on its information. The information on the operable time range is based on information from the communication device 250 such as the user owning the hydraulic excavator 210 . A specific structure will be described below.
[0101] Each hydraulic excavator 210 has a main control unit 211, a control unit 212 for communi...
no. 3 example
[0125] The following will be based on Figures 12 to 23 The antitheft method and system for a construction machine in a third embodiment of the present invention will be described. In this embodiment, a hydraulic excavator is used as an object of a construction machine, and Figure 12 It is the overall structure diagram of the anti-theft system, Figure 13 is a diagram showing the configuration of a control device 302 provided in a hydraulic excavator 301, Figure 14 is an explanatory diagram of an operation area set by a user 310 who is the owner of the hydraulic excavator 301, Figure 15 It is a flowchart of processing in the personal computer 310a as a terminal device owned by the user 310 in the case of setting the operation area, Figure 16 is a flowchart of the processing performed by the base station 306 in the case of the operation area setting, Figure 17 is a flowchart of processing executed by the control device 302 of the hydraulic excavator 301 in the case of ...
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