Signal acquisition method and device and automobile
A signal acquisition and signal acquisition technology, which is applied to vehicle components, transportation and packaging, circuits or fluid pipelines, etc., to achieve the effect of improving utilization
Pending Publication Date: 2022-01-11
BEIJING ELECTRIC VEHICLE
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Problems solved by technology
[0004] Embodiments of the present invention provide a signal acquisition method, device, and vehicle to solve the problem of how to improve the resource utilization rate of the acquisition channel of the vehicle controller
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[0045] In order to make the technical problems, technical solutions, and advantages to the present invention, the technical solutions and advantages will be described in detail below with reference to the accompanying drawings and specific embodiments. In the following description, specific details such as specific configurations and components are provided merely to help comprehensively understand the embodiments of the present invention. Thus, those skilled in the art will appreciate that various modifications and modifications described herein without departing from the scope and spirit of the invention. In addition, in order to clearly and concise, a description of known functions and configurations is omitted.
[0046] It will be understood that "one embodiment" or "one embodiment" mentioned in the specification means that specific features, structures, or characteristics related to the embodiments are included in at least one embodiment of the invention. Therefore, "in one e...
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The invention provides a signal acquisition method and device and an automobile, and relates to the technical field of automobiles. The signal acquisition method comprises the steps of sending a control instruction to an analog switch circuit, the analog switch circuit comprises a plurality of signal input ends and a signal output end, and the signal input ends are connected with a plurality of signal collectors respectively; and gating connection between one of the plurality of signal input ends and the signal output end according to the control instruction, and outputting a signal collected by the corresponding signal collector. The acquisition signals acquired by the plurality of signal acquisition devices are collected together through the analog switch circuit, and the control signals are sent to the signal acquisition devices, so that the purpose of performing time-sharing acquisition by using one AD channel of the vehicle control unit is realized, and the utilization rate of acquisition channel resources of the vehicle control unit is improved.
Description
Technical field [0001] The present invention relates to the field of automotive technology, and more particularly to a signal acquisition method, apparatus, and a vehicle. Background technique [0002] The vehicle controller (VCU, VEHICLE Controller Unit) is the core control component of the entire car. It collects accelerator pedal signals, brake pedal signals, and other component signals, and performs corresponding judgment, control the action of the lower part controllers. Drive the car normally. [0003] As the control is more complicated, the signal information that needs to be collected is increasing, and the VCU's AD (analog circuit) collects channel resource is stretched. In order to improve the utilization of the vehicle controller collection channel resources, some real-time requirements can be not high. The AD acquisition signal is returned, and an AD channel is used to collect. Inventive content [0004] Embodiments of the present invention provide a signal acquisiti...
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IPC IPC(8): B60R16/023
CPCB60R16/0231
Inventor 赵磊余军佟世蒙
Owner BEIJING ELECTRIC VEHICLE