Tire pressure sensor signal analysis method, its device, tire pressure receiver and diagnosis system
A tire pressure sensor and analysis method technology, applied in the field of information transmission and processing, can solve the problems of unreadable data, complicated and cumbersome development process, difficult protocol correspondence errors, etc., so as to reduce the difficulty of updating and maintenance, and reduce the workload. Effect
Active Publication Date: 2020-11-24
深圳市道通合盛软件开发有限公司
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Problems solved by technology
In order to ensure that the transmitted data information can be read correctly, the data analysis protocol used by the tire pressure receiver matches the tire pressure sensor protocol. If the protocol is inconsistent, the data cannot be read and the tire pressure diagnosis system cannot be used normally.
[0004] In the process of realizing the present invention, the inventor found that the prior art has at least the following problems: when the maintenance factory replaces the tire pressure sensor or receiver, it must replace the tire pressure sensor or receiver that is consistent with the original agreement, otherwise it may cause tire pressure failure. The diagnostic system is unavailable
The requirement to ensure protocol consistency will make the development process complicated and cumbersome, and it is difficult to completely avoid the occurrence of protocol correspondence errors
Method used
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[0041] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is said to be "fixed" to another element, it may be directly on the other element, or there may be one or more intervening elements therebetween. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or one or more intervening elements may be present therebetween. The orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", and "bottom" used in this specification is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the The invention and the simplified description do not indicate or imply that the device or element referred to must have a specific orientation...
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Disclosed are a tire pressure sensor signal analysis method, a receiving apparatus, a tire pressure receiver (30) and a tire pressure diagnosis system. The method comprises: receiving a data packet from a tire pressure sensor (20); extracting valid data (202) in the data packet, wherein the valid data (202) contains multiple fields, and each field represents a data item; and according to a change in each field in a preset time period, determining a data item represented by each field. The method has no requirement regarding the data protocol or type of tire pressure sensor, and can be used with all vehicle types and tire pressure sensors, which effectively reduces the difficulty and degree of tedium of system updates and maintenance.
Description
【Technical field】 [0001] The invention relates to the technical field of information transmission and processing, in particular to a signal analysis method of a tire pressure sensor, a receiving device, a tire pressure receiver and a tire pressure diagnosis system. 【Background technique】 [0002] The tire pressure monitoring system (also known as the tire pressure diagnosis system) refers to the real-time automatic monitoring of the tire usage status of the car during the driving process, and when there is a problem with the tire or the car status such as tire leakage or insufficient tire pressure Timely alarm to ensure driving safety security system. With the continuous improvement of people's requirements for automobile safety, more and more automobiles are equipped with such a tire pressure diagnosis system. [0003] Generally, the data source of the tire pressure diagnosis system is the tire pressure sensor installed on the tire. The diagnostic system realizes the moni...
Claims
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IPC IPC(8): B60C23/04
CPCB60C23/0481
Inventor 郑超
Owner 深圳市道通合盛软件开发有限公司