CN213812571U - Intelligent vibration transmitter - Google Patents

Abstract

The intelligent vibration transmitter comprises a displacement sensor, a temperature sensor and an information processing unit. The information processing unit comprises a filtering, rectifying and amplifying circuit, an ARM circuit, a bus I/O driver and a nixie tube. The displacement sensor and the temperature sensor are used for transmitting the displacement and environment temperature information of the measured target to the information processing unit, and accurate information such as amplitude, temperature and the like is obtained after hardware and software processing. The utility model makes full use of the powerful information processing capability of ARM, and greatly improves the accuracy of measured data through the processing of digital signal filtering, temperature compensation, sensor nonlinear compensation and the like; the ARM-rich bus interface is used for communicating with other intelligent devices to build an industrial Internet of things to realize remote intelligent control.

Description

Intelligent vibration transmitter

Technical Field

The utility model relates to an instrument and meter and industrial automation field, concretely relates to intelligence vibration changer for the vibration amplitude of rotating machinery carries out high accuracy non-contact measurement.

Background

The power and transmission systems of industrial equipment have many rotating machines such as various generators, motors, gears and bearings. The rotary machine can vibrate during working, after long-term operation, the vibration amplitude is continuously increased due to abrasion of some parts, and equipment is damaged or even personal safety is threatened in serious cases. Therefore, the vibration of the rotating machinery must be monitored and protected. The existing vibration transmitter has simple function, the precision is greatly influenced by the ambient temperature, and the accuracy of the measured data cannot be ensured; the remote intelligent control system has no bus communication function, and cannot establish an industrial Internet of things to realize remote intelligent control.

SUMMERY OF THE UTILITY MODEL

The technical solution problem of the utility model is that: aiming at the technical defects of the existing vibration transmitter, the intelligent vibration transmitter which is high in precision and can realize remote control is provided.

The technical solution of the utility model is that: an intelligent vibration transmitter comprises a displacement sensor, a temperature sensor and an information processing unit. The information processing unit comprises a filtering, rectifying and amplifying circuit, an ARM circuit, a bus I/O driver and a nixie tube; the displacement sensor and the temperature sensor are used for detecting displacement of an object and transmitting environmental temperature information to the information processing circuit, the filtering, rectifying and amplifying circuit is used for filtering, rectifying and amplifying signals, the AD converter in the ARM chip is used for converting the displacement and the temperature information into digital signals, the ARM circuit is used for performing temperature compensation and linear fitting on the signals, and the bus I/O driver and the digital tube are used for outputting information.

The principle of the utility model is that: converting an analog signal of the sensor into a digital signal, and realizing digital filtering, temperature and nonlinear compensation by using the powerful function of an ARM processor to obtain more accurate measurement data; the ARM-rich bus interface is used for communicating with other intelligent devices to build an industrial Internet of things to realize remote intelligent control.

Compared with the prior art, the utility model the advantage lie in: compensating the reduction of measurement precision caused by the temperature change of the working environment; compensating for a decrease in accuracy caused by non-linearity of the displacement sensor output; the intelligent network system can communicate with other intelligent equipment to build an industrial Internet of things to realize remote control.

Drawings

FIG. 1 is a block diagram of the present invention;

Detailed Description

The utility model relates to an intelligence vibration changer. And multiple groups of sensor probes and signal processing circuits are correspondingly configured according to the number of the measured targets and the number of the vibration directions of each measured target. It mainly comprises: displacement sensor, temperature sensor, information processing unit. The utility model discloses an information processing unit includes filtering rectification amplifier circuit, the ARM circuit, bus IO drive and charactron. Displacement sensor install on the extension line of vibration axis, temperature sensor installs in operational environment, measured displacement and temperature information transmit information processing circuit, filtering rectification amplifier circuit is used for filtering the signal, the rectification, the amplification is handled, the inside AD converter of ARM chip is used for converting displacement and temperature information into digital signal, the ARM circuit is used for carrying out temperature compensation and linear fitting to the signal, obtain accurate amplitude, monitoring information such as temperature, bus IO is used for communicating with other smart machine, it realizes remote intelligent control to build the industry thing networking.

Details not described in the present specification belong to the prior art known to those skilled in the art.

In addition, it should be pointed out that the part names and shapes described in the present invention can be different, and all modifications, additions and improvements made by the structure, features and principle according to the concept of the present invention should be regarded as the protection scope of the present invention.

Claims (4)

1. An intelligence vibration transmitter which characterized in that: the intelligent vibration transmitter comprises a displacement sensor, a temperature sensor and an information processing unit; the information processing unit comprises a filtering, rectifying and amplifying circuit, an ARM circuit, a bus I/O driver and a nixie tube; the displacement sensor is installed on the extension line of vibration axis for measure the displacement information of object, temperature sensor is used for measuring ambient temperature information, filtering rectification amplifier circuit is used for filtering, rectification, the amplification to the signal, the inside AD converter of ARM chip is used for being digital signal with displacement and temperature information conversion, the ARM circuit is used for carrying out temperature compensation and linear fitting to the signal, bus IO drive and digital tube are used for output information.

2. The intelligent vibration transmitter of claim 1, wherein: the temperature sensor probe is arranged beside the measured object and used for detecting the ambient temperature around the measured object and transmitting information to the information processing unit.

3. The intelligent vibration transmitter of claim 1, wherein: the bus I/O drive and digital tube comprises a CAN and 485 bus drive circuit, an external I/O port and a digital tube.

4. The intelligent vibration transmitter of claim 1, wherein: the displacement sensors and the temperature sensors are correspondingly configured into a plurality of groups of sensor probes and information processing circuits according to the number of the measured targets and the number of the vibration directions of each measured target.

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