Light rail train, light rail train meter, communication method and system of light rail train meter
A communication method and instrument technology, which is applied in the field of vehicles, can solve problems such as inability to transmit data, misuse, and instrument display deviation, and achieve the effect of improving communication rate, communication quality, and high communication rate
Active Publication Date: 2018-04-20
BYD CO LTD
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Problems solved by technology
[0005] With the current communication method, the bandwidth of the network cannot complete the data transmission within the specified response time. For some equipment modules that require low latency and high sensitivity, the corresponding signal cannot be fed back or received at the first time. Deviations in the display of the instrument, and even some dangerous misoperations
Therefore, limited by the communication rate between the instrument and the target device, the performance of the current light rail train is not high enough
Method used
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Embodiment Construction
[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention.
[0030] The light rail train, the light rail train instrument and its communication method and system according to the embodiments of the present invention will be described below in conjunction with the accompanying drawings.
[0031] figure 1 It is a flowchart of a communication method for a light rail train instrument according to an embodiment of the present invention.
[0032] like figure 1 As shown, the communication method of the light rail train instrument in the embodiment of the present invention includes the following...
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The invention discloses a light rail train, a light rail train meter, a communication method and system of the light rail train meter. The method comprises the following steps that: an operation instruction for the meter is obtained; control data are updated according to an operation instruction, and the control data are packaged into a first Ethernet standard data packet; and the first Ethernet standard data packet is sent to a target device. With the method of the invention adopted, the rate of communication between the meter and the target device can be greatly improved, so that the performance of the light rail train can be effectively improved.
Description
technical field [0001] The invention relates to the technical field of vehicles, in particular to a communication method for a light rail train instrument, a light rail train instrument, a communication system for a light rail train instrument and a light rail train. Background technique [0002] The communication mode of the light rail instrument based on the multifunctional vehicle bus is a communication mode that enables the front instrument to communicate with other interconnected devices at the front or compartment and rear of the vehicle under the multifunctional vehicle bus communication mode. The multifunctional vehicle bus is a communication technology with a fixed rate of 1.5Mbps, which is mainly used for serial data communication buses between interconnected devices that require interoperability and interchangeability. [0003] The current light rail communication bus is mainly a multifunctional vehicle bus. This technology is widely used in track instrument commu...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H04L12/40H04L29/08G06F13/42
CPCG06F13/4282H04L12/40013H04L12/40039H04L12/40143H04L67/12
Inventor 席宽郭素光
Owner BYD CO LTD