CN211178589U - Posture rapid measurement system for large-scale equipment slide rail installation process - Google Patents

Abstract

The utility model discloses a main equipment slide rail installation gesture rapid survey system, including little inertial measurement unit, GPS receiver, digital signal processor and complicated programmable logic controller. The micro-inertia measurement unit acutely senses the change of the slippage state of the equipment module, then the digital signal processor processes and calculates the acquired data to obtain the slippage parameter information of the equipment, and all the parameters calculated by the digital signal processor are uploaded to a computer through a double-port RAM and then displayed and recorded through a computer display screen. The utility model discloses combine together GPS and MIMS, fuse the relevant parameter of the equipment slide rail installation that GPS and MIMS recorded, obtain the optimal value to gesture, position, speed isoparametric in the real-time definite equipment fixing process.

Description

Posture rapid measurement system for large-scale equipment slide rail installation process

Technical Field

The utility model belongs to relate to equipment measurement system especially relates to a gesture rapid survey system in the large equipment fixing process.

Background

At present, as offshore oil and gas fields develop to be deep water, large-scale equipment in various projects is indispensable, and the problem of installation and positioning of the large-scale equipment is involved in the process of newly installing or replacing the equipment. The installation of the large-scale equipment slide rail is a method frequently used in the installation process of equipment modules, and has the advantages of flexible erection, strong universality, economic adaptability and the like. The size and mass of the equipment modules are getting larger and larger, and the requirement of installation accuracy is also high. The existing large-scale equipment is mostly installed and measured by adopting a level gauge to carry out leveling operation. There are two problems during leveling operations that affect the accuracy and efficiency of equipment installation. Firstly, the operation and data calculation of the level gauge are completed by professional personnel, so that common equipment installers are difficult to master; secondly, when the level gauge is used for measurement, nonstandard operation of measurement personnel can also exist, so that measurement results are wrong or errors are increased, and the equipment installation efficiency is influenced. Many measurement systems adopt a high-precision Global Positioning System (GPS), but the GPS receiver has a limitation of a 1HZ slow parameter correction frequency, or is shielded by a satellite signal, and cannot provide various parameters or has poor precision. Therefore, the positioning technique has certain limitations for measuring various parameters of the system.

Disclosure of Invention

An object of the utility model is to overcome prior art's shortcoming, provide a can confirm gesture, position, speed isoparametric's main equipment slide rail installation gesture rapid survey system in real time in the equipment fixing process.

A large equipment slide rail installation process gesture rapid measurement system includes:

the micro-inertia measurement system is arranged on the sliding equipment and comprises three groups of micro-inertia measurement units, each group consists of a micro-gyroscope and a micro-accelerometer, the three groups of micro-inertia measurement units are arranged in an orthogonal mode in pairs, the micro-gyroscopes and the micro-accelerometers of the three groups of micro-inertia measurement units are respectively connected with the digital signal processor through an A/D (analog/digital) converter, and the three groups of micro-inertia measurement units are used for reading the linear acceleration and the angular velocity in the sliding process of the equipment;

the GPS receiver is arranged on the sliding equipment and is used for receiving GPS satellite signals, obtaining the position information of the sliding equipment according to the signals and transmitting the position information to the digital signal processor;

the signal input end of the digital signal processor is connected with the GPS receiver through a serial interface and is connected with the A/D converter, and the signal output end of the digital signal processor is connected with the signal input end of the complex programmable logic controller through a data line;

and the signal output end of the complex programmable logic controller is connected with the computer through a data line.

The utility model has the advantages that:

many measurement systems use a high-precision Global Positioning System (GPS), but the GPS receiver has a limitation of a slow parameter correction frequency of 1HZ, or cannot provide each parameter or has poor precision because a satellite signal is blocked. Therefore, the positioning technique has certain limitations for measuring various parameters of the system. The design adopts a combined system consisting of a micro-inertia measurement system based on the MEMS technology and the GPS, and combines the advantages of high-precision positioning, no error accumulation, autonomy and instantaneity of inertia measurement and the like of the GPS, so that the cost of the system is reduced, the reliability is increased, and the precision is improved. The system combines the GPS and the MIMS together, fuses related parameters of equipment slide rail installation measured by the GPS and the MIMS, and obtains an optimized value so as to determine parameters such as the attitude, the position, the speed and the like in the equipment installation process in real time.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a schematic view of an installation structure of an MIMU micro inertial device adopted by a rapid attitude measurement system during installation of a slide rail of a large-scale device.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1 the utility model discloses a large-scale equipment slide rail installation process gesture rapid measurement system, include:

the micro-inertia measurement system is arranged on the sliding equipment and comprises three groups of micro-inertia measurement units (MIMU), each group consists of a micro-gyroscope and a micro-accelerometer, the three groups of micro-inertia measurement units (MIMU) are arranged in a pairwise orthogonal mode, the micro-gyroscopes and the micro-accelerometers of the three groups of micro-inertia measurement units are respectively connected with a Digital Signal Processor (DSP) through an A/D converter, and the three groups of micro-inertia measurement units (MIMU) are used for reading the linear acceleration and the angular velocity in the sliding process of the equipment;

measuring initial values of the attitude position of the equipment by three groups of Micro Inertial Measurement Units (MIMU), outputting the three groups of initial values to a Digital Signal Processor (DSP) to obtain the initial attitude of the equipment, measuring the linear acceleration and the angular velocity of the slide rail installation of the acquisition equipment in real time by the three groups of Micro Inertial Measurement Units (MIMU) when the equipment starts to slide, completing the synchronous acquisition of signals by a parallel A/D converter and transmitting the signals to the Digital Signal Processor (DSP);

a GPS receiver mounted on the sliding equipment, the GPS receiver is used for receiving GPS satellite signals, obtaining the position information of the sliding equipment according to the signals and transmitting the position information to a Digital Signal Processor (DSP);

the Digital Signal Processor (DSP) is used for integrating the read position information of the sliding equipment output by the GPS receiver and the linear acceleration and angular velocity information measured by the micro-inertia measurement system to obtain the speed and attitude data of the sliding equipment, and outputting the equipment sliding attitude data and the speed calculated by the Digital Signal Processor (DSP) to the complex programmable logic controller (CP L D).

The complex programmable logic controller (CP L D) is used for completing address decoding of a Digital Signal Processor (DSP), converting an address decoding signal into a sliding installation control signal and outputting the sliding installation control signal to the computer, the computer monitors the installation posture of the equipment sliding rail, and monitoring data is displayed through a display screen.

The working process of the device is as follows:

the working process of the whole system is as follows: firstly, a Micro Inertial Measurement Unit (MIMU) senses the change of the slippage state of a device module, then a digital signal processor processes and calculates the acquired data to obtain the slippage parameter information of the device, and all parameters calculated by the digital signal processor are uploaded to a computer through a double-port RAM and then displayed and recorded through a computer display screen.

Claims (1)

1. The utility model provides a main equipment slide rail installation process gesture rapid survey system which characterized in that includes:

the micro-inertia measurement system is arranged on the sliding equipment and comprises three groups of micro-inertia measurement units, each group consists of a micro-gyroscope and a micro-accelerometer, the three groups of micro-inertia measurement units are arranged in an orthogonal mode in pairs, the micro-gyroscopes and the micro-accelerometers of the three groups of micro-inertia measurement units are respectively connected with the digital signal processor through an A/D (analog/digital) converter, and the three groups of micro-inertia measurement units are used for reading the linear acceleration and the angular velocity in the sliding process of the equipment;

the GPS receiver is arranged on the sliding equipment and is used for receiving GPS satellite signals, obtaining the position information of the sliding equipment according to the signals and transmitting the position information to the digital signal processor;

the signal input end of the digital signal processor is connected with the GPS receiver through a serial interface and is connected with the A/D converter, and the signal output end of the digital signal processor is connected with the signal input end of the complex programmable logic controller through a data line;

and the signal output end of the complex programmable logic controller is connected with the computer through a data line.

Images