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Bus network, control system and crane

A bus network and crane technology, applied in the field of lifting equipment, can solve problems such as network non-communication, and achieve the effects of simplifying communication protocols, reducing labor, and reducing workload

Inactive Publication Date: 2013-04-03
SANY AUTOMOBILE HOISTING MACHINERY
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] An object of the present invention is to provide a bus network, change the existing hardware connection mode, use an intelligent method to realize the connection of the terminal resistor, simplify the communication protocol, reduce the programming workload, and solve the problem that the network does not communicate after the super lift arm is disassembled question

Method used

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  • Bus network, control system and crane
  • Bus network, control system and crane
  • Bus network, control system and crane

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Embodiment Construction

[0038] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0039] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways than described here. Therefore, the protection scope of the present invention is not limited by the specific implementation disclosed below. Example limitations.

[0040] Such as Figure 5 and Figure 6 As shown, the present invention provides a bus network, including a bus 4, a main controller, a super-starting controller, a first terminal resistor 1 and a second terminal resistor 2, a...

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Abstract

The invention provides a bus network, a control system and a crane. The bus network comprises a bus, a main controller, a super-lift controller, a first terminal resistor, a second terminal resistor, a control switch and a third terminal resistor, wherein the main controller and the first terminal resistor are fixedly connected with the bus; the super-lift controller and the second terminal resistor are detachably connected with the bus; the control switch and the third terminal resistor are connected with each other in series and then connected with the bus, and are located between the main controller and the super-lift controller; when the super-lift controller is connected with the bus, the control switch automatically switches off; and when the super-lift controller and the second terminal resistor are disconnected with the bus, the control switch automatically switches on. According to the technical scheme provided by the invention, a communication protocol is simplified, the working amount of programming is reduced, and the problem that the communication of a network is cut off after a super-lift is detached can be solved.

Description

technical field [0001] The invention relates to the field of hoisting equipment, more specifically, to a bus network, a control system and a crane. Background technique [0002] At present, the network data transmission between the main controller of construction machinery and the super-lift controller is generally in a bus network. [0003] Such as figure 1 As shown, the bus network includes a bus 4, a main controller, a left super-start controller 10, a right super-start controller 20, a first terminal resistor 1, and a second terminal resistor 2, and the main controller includes a first controller 21, a second terminal resistor 2 Two controllers 22, the third controller 23, the fourth controller 24 and the display 25, because the left super-lifting controller 10, the right super-raising controller 20 and the second terminal resistor 2 can be disassembled together with the super-lifting arm Yes, so when the super-lifting arm is disassembled, one of the two ends of the bu...

Claims

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Application Information

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IPC IPC(8): B66C13/18
Inventor 胡晓中李松云
Owner SANY AUTOMOBILE HOISTING MACHINERY
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