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A Turntable Wireless Short-Range Telemetry System

A technology of telemetry system and turntable, which is applied in the field of communication to achieve the effect of ensuring reliable transmission, improving transmission capacity and reducing complexity

Inactive Publication Date: 2019-04-19
ZHONGBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The purpose of the present invention is to provide a high-speed turntable wireless short-range telemetry system to solve the problem of reliable transmission of measured parameters under high-speed rotation conditions

Method used

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  • A Turntable Wireless Short-Range Telemetry System
  • A Turntable Wireless Short-Range Telemetry System
  • A Turntable Wireless Short-Range Telemetry System

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Embodiment Construction

[0018] In order to make the purpose, content, and advantages of the present invention clearer, the specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments.

[0019] The present invention provides a turntable wireless short-range telemetry system, which is composed of a sending end and a receiving end; the sending end is installed inside the rotating shaft, and the receiving end is installed on the control station 27 outside the turntable.

[0020] Such as figure 1 Shown is the block diagram of the sending end, the multi-channel I / O port 1 includes 8-way analog I / O ports and 8-way digital I / O ports, and the analog I / O ports input 8-way analog signals to the first through an analog follower 28 After the A / D conversion module 2, it is converted into a digital signal, and then input to the source coding module 4. At the same time, the 8-way digital I / O port passes the 8-way I / O...

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Abstract

The invention discloses a wireless short-range remote measuring system for a rotary table. The wireless short-range remote measuring system is characterized by being composed of a transmitting end and a receiving end; the transmitting end is installed inside a rotating shaft, and the receiving end is installed on a control station outside the rotary table. The mode that spread spectrum modulation and narrow-band digital modulation are combined is adopted, signal transmission bandwidth is expanded, the signal anti-multipath interference transmission capability is improved, the signal error rate at ultrahigh rotating speed is decreased, and reliable data transmission is ensured. The mode that synchronous encoding and error correction coding are combined is adopted, the data anti-jamming capability and error correcting capacity are improved, it is ensured that the quite high error correcting capacity is achieved when a transmission channel is disturbed on the ultrahigh speed condition, and meanwhile multi-path data fractionation and later data processing of the receiving end are facilitated. A microprocessor is adopted for achieving the remote measuring function, complexity of the circuit design is lowered, the circuit size is decreased, the integration level is high, the size is small, and the weight is low.

Description

technical field [0001] The invention relates to a turntable wireless short-range telemetry system, which belongs to the communication field. Background technique [0002] The ultra-high-speed turntable is a rotating device with a rotation speed greater than 60,000r / min for a high-speed rotary testing machine. It is a key device for simulating high-speed rotating conditions and testing the working conditions and performance indicators of products under real working conditions. It is also the key equipment for studying simulated projectiles Test equipment for the operating environment. Solving the problem of reliable transmission of the measured parameters under the condition of high-speed rotation is a key technology in the design of high-speed turntables. At present, two methods of contact and non-contact are used for the transmission of the measured parameters. [0003] The contact method mainly refers to various types of conductive slip rings (solid contact conductive ri...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G08C17/02H04B1/69H04L1/00
Inventor 李剑韩星程韩焱马文姬武丹姚金杰苏新彦
Owner ZHONGBEI UNIV
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