Switching value input device, switching value input design method and detection method

A switching input and switching technology, which is applied in the field of switching input detection devices, can solve the problems of increasing error probability and cost, and achieves the effects of improving input capability and solving electronic control unit replacement.

CN102522973AInactive Publication Date: 2012-06-27ZOOMLION HEAVY IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Publication Date
2012-06-27
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a switching value input device, a design method and a detection method. The device comprises an electronic control unit and a plurality of switches, wherein the electronic control unit comprises a plurality of input / output ports; N definitions in the input / output port are input ports and M definitions are output ports; N groups of switches are arranged and each group has M switches; first ends of the M switches in each group are respectively connected with the M output ports and second ends of the M switches in each group are connected in parallel together and are connected with one of the N input ports; the electronic control unit is configured in such way that: the M output ports output specific potentials at the same time and the N input ports are detected to judge whether a switch is triggered, and after the switch is judged to be triggered, the M output ports output specific potentials in sequence and the N input ports are detected to determine the triggered switch. According to the invention, the switching value inputs are connected into a matrix, the triggered switch is identified by using progressive scanning, and the switching value input capability of a control system is greatly improved.
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Description

technical field

[0001] The invention relates to a switching value input detection device, in particular to a switching value input device, a switching value input design method and a detection method. Background technique

[0002] In recent years, with the continuous improvement of construction demand and the degree of intelligence of construction machinery, the control system functions of construction machinery have shown a development trend of increasing input and detection, more detailed division of modules, and more refined control effects. The ever-increasing amount of input control requires a corresponding increase in the number of input / output (I / O) ports of the electronic control unit for construction machinery. But in fact, once an electronic control unit is selected, the number of input / output ports has been determined and cannot be increased arbitrarily. Therefore, in actual work, it is often necessary to re-select an electronic control unit with more powerful pe...

Examples

Embodiment Construction

[0017] In order to further explain the technical means and effects that the present invention adopts to achieve the intended purpose of the invention, below in conjunction with the accompanying drawings and preferred embodiments, the details of the switch input device, switch input design method and detection method proposed according to the present invention will be described. Embodiments, methods, steps and effects are described in detail below.

[0018] The aforementioned and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the preferred embodiments with reference to the drawings. Through the description of specific implementation methods, the technical means and effects of the present invention to achieve the intended purpose can be understood more deeply and specifically, but the attached drawings are only for reference and description, and are not used to explain the present inventio...