CN213580773U - FPGA-based steel wire rope nondestructive inspection data acquisition system - Google Patents
FPGA-based steel wire rope nondestructive inspection data acquisition system Download PDFInfo
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- CN213580773U CN213580773U CN202022655994.4U CN202022655994U CN213580773U CN 213580773 U CN213580773 U CN 213580773U CN 202022655994 U CN202022655994 U CN 202022655994U CN 213580773 U CN213580773 U CN 213580773U
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- 238000007689 inspection Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 title claims description 24
- 239000010959 steel Substances 0.000 title claims description 24
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 238000004458 analytical method Methods 0.000 claims abstract description 6
- 238000012360 testing method Methods 0.000 claims abstract description 5
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000013500 data storage Methods 0.000 claims description 7
- 238000012545 processing Methods 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
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Abstract
The utility model discloses a wire rope nondestructive inspection data acquisition system based on FPGA, which solves the defect that the current wire rope nondestructive inspection data transmission is asynchronous and easily causes errors, and the key points of the technical scheme are that the system comprises a plurality of fluxgate sensors which are distributed along the radial direction of a wire rope and synchronously carry out magnetic leakage detection, an airspace positioning pulser which generates positioning pulses according to the spatial position of the wire rope, and an FPGA chip which is coupled with the fluxgate sensors and the airspace positioning pulser for carrying out data acquisition and analysis; still including coupling in order to operate the host computer that sets up in the FPGA chip, the utility model discloses a wire rope nondestructive test data acquisition system based on FPGA, each way fluxgate data acquisition module can be the concurrent operation simultaneously, improves accuracy, the accuracy and the real-time of system detection.
Description
Technical Field
The utility model relates to a wire rope nondestructive test technique, in particular to wire rope nondestructive test data acquisition system based on FPGA.
Background
The steel wire rope has the characteristics of high strength, good elasticity, stable and reliable work, strong dynamic load bearing and overload bearing capacity and the like, and is widely applied to industries such as coal, metallurgy, traffic, tourism and the like. In the use, the wire rope can take place various damage of different degrees, if can not in time detect out the wire rope that the damage is serious and in time change, will have great potential safety hazard. In order to ensure the use safety of the steel wire rope, a nondestructive flaw detector is required to perform nondestructive flaw detection on the state of the steel wire rope.
When the existing steel wire rope nondestructive inspection device collects data, all sensors are executed in serial sequence, the synchronism of all data is difficult to guarantee, data dislocation is easy to cause, great errors can be brought to subsequent analysis, and even misjudgment or missing judgment can be caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a wire rope nondestructive test data acquisition system based on FPGA can the concurrent operation simultaneously, improves accuracy, accuracy and the real-time of system detection.
The above technical purpose of the present invention can be achieved by the following technical solutions:
a steel wire rope nondestructive inspection data acquisition system based on FPGA comprises a plurality of fluxgate sensors which are distributed along the radial direction of a steel wire rope and synchronously carry out magnetic flux leakage detection, an airspace positioning pulser which generates positioning pulses according to the spatial position of the steel wire rope, and an FPGA chip which is coupled with the fluxgate sensors and the airspace positioning pulser and is used for carrying out data acquisition and analysis; the device also comprises an upper computer which is coupled with the FPGA chip for operation and setting;
the FPGA chip comprises a main control module which is coupled with an upper computer for control processing, a plurality of fluxgate data acquisition modules which acquire fluxgate sensing data in parallel, and an airspace positioning pulse counting module which is coupled with an airspace positioning pulser for acquiring and counting pulse signals; the master control module receives and responds to the fluxgate sensing data acquired by the fluxgate data acquisition module and the pulse data acquired by the airspace positioning pulse counting module.
Preferably, the FPGA chip further includes a buffer module coupled to the fluxgate data acquisition module and the airspace positioning pulse counting module for buffering data and transmitting the data to the main control module.
Preferably, the buffer module is a 32-bit first-in first-out buffer module.
Preferably, the main control module comprises an equipment parameter setting unit coupled to the fluxgate data acquisition module and the airspace positioning pulse counting module, and an upper computer interface unit coupled to an upper computer for signal transmission.
Preferably, the upper computer is in wired connection or Bluetooth wireless connection with the FPGA chip.
Preferably, the main control module further comprises an SD card data memory for storing the collected data, and the main control module further comprises a data storage unit coupled to the SD card data memory for storing and transmitting the data.
Preferably, the magnetic flux gate device further comprises an A/D converter coupled between the fluxgate sensor and the fluxgate data acquisition module for performing analog-to-digital conversion on signals; the A/D converter and the fluxgate data acquisition module are provided with a plurality of sensors which are in one-to-one correspondence with the fluxgate sensors.
To sum up, the utility model discloses following beneficial effect has:
by adopting the multichannel fluxgate data acquisition module, the airspace positioning pulse counting module and the FPGA chip for acquiring and processing the steel wire rope nondestructive inspection data, the system can realize the simultaneous and parallel operation of all modules in the steel wire rope nondestructive inspection data acquisition system, can simultaneously and synchronously process the processes of different modules, overcomes the defect that all processes in the prior art are executed according to a single-process sequence, and greatly improves the accuracy, the accuracy and the real-time property of system detection.
Drawings
Fig. 1 is a block diagram showing the structure of the system.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
According to one or more embodiments, the steel wire rope nondestructive inspection data acquisition system based on the FPGA is disclosed, and as shown in fig. 1, the system comprises a multi-channel fluxgate sensor, an airspace positioning pulser and an FPGA chip, and further comprises an upper computer for operation and setting.
The fluxgate sensors are arranged in a plurality of positions and are distributed along the radial direction of the steel wire rope, synchronous data acquisition can be realized, the magnetic leakage signals are used for analyzing the damaged condition of the steel wire rope, and the airspace positioning pulser generates positioning pulses according to the spatial position of the steel wire rope to assist in tracing and positioning the damaged part. Each fluxgate sensor is coupled with an A/D converter for carrying out analog-to-digital conversion on the acquired fluxgate sensing data, and the acquired fluxgate sensing data are transmitted to the FPGA chip after being converted.
The FPGA chip comprises a fluxgate data acquisition module, an airspace positioning pulse counting module, a buffering module and a main control module. The fluxgate data acquisition modules are provided with a plurality of fluxgate data acquisition modules, are coupled to the A/D converter in a one-to-one correspondence manner, and acquire fluxgate sensing data in parallel. And the fluxgate data acquisition module reads the fluxgate sensing data converted and acquired by the A/D converter according to the set frequency. As shown in fig. 1, for example, 6 fluxgate sensors are provided, which are respectively fluxgates 1 to 6, and 6 fluxgate data acquisition modules are provided, and numbers 1 to 6 of the fluxgate sensors correspond to the fluxgate sensors.
The airspace positioning pulse counting module is coupled with the airspace positioning pulser, and is used for collecting and counting generated pulse signals in real time and calculating the actual position of the steel wire rope. The buffer module is coupled to the fluxgate data acquisition module and the airspace positioning pulse counting module, acquires fluxgate sensing data and pulse data and performs data buffering processing, and the buffer module is preferably a 32-bit first-in first-out (FIFO) buffer module, and the 32-bit FIFO buffer module is used for temporarily storing various data acquired by the system and waiting for the main control module to read and store the data. The main control module is coupled to the buffer module, and reads the fluxgate sensing data and the pulse data and performs analysis processing.
The main control module comprises an equipment parameter setting unit, an upper computer interface unit and a data storage unit. The master control module is preferably a Microblaze soft core and is preferably programmed with Verilog HDL. The equipment parameter setting unit is coupled to each fluxgate data acquisition module and the airspace positioning pulse counting module for setting parameters. The upper computer interface unit is coupled to the host computer, and through the host computer interface unit with each way fluxgate data and pulse data, the equipment working parameter transmission that the real-time acquisition obtained to the host computer to system setting command transmission to the FPGA chip that will set up accomplishes the interaction, host computer interface module can be wired data communication, also can adopt wireless data communication, and preferred adoption is equipped with RS232 interface and bluetooth data communication simultaneously.
The SD card memory is coupled to the data storage counting module of the main control module, the data storage counting module stores the data in real time, and the acquired fluxgate data and airspace locator pulse counting data are written into the SD card for post analysis.
The system carries the fluxgate sensors through the nondestructive inspection device, all the modules run in parallel, fixed-point synchronization of data is guaranteed, and a group of data formed by the plurality of fluxgate data acquisition modules is the magnetic field data of the plurality of fluxgate sensors radially arranged along the steel wire rope at the same position and the same moment, so that the later-stage data analysis of the steel wire rope nondestructive inspection instrument is realized.
The system specifically operates as follows:
the fluxgate sensor collects the damaged condition of the steel wire rope, and the airspace positioning pulser generates positioning pulses according to the spatial position of the steel wire rope to assist in tracing and positioning the damaged part;
the fluxgate data acquisition modules run in parallel, and digital signals obtained by A/D conversion of the fluxgate sensor data are written into the first-in first-out cache module for the main control module to read;
an airspace positioning pulse counting module instantiated on the FPGA chip captures a steel wire rope spatial position positioning pulse generated by a steel wire rope airspace positioner in real time;
the airspace positioning pulse counting module writes the wire rope positioning pulse data into a first-in first-out cache module for the main control module to read;
the master control module analyzes and stores data acquired by the fluxgate sensor data acquisition module and the airspace positioning pulse counting module;
the main control module is communicated with the upper computer through an upper computer interface module, transmits the working state information of the equipment to the upper computer, receives a setting command sent by the upper computer and sets the working parameters of the device.
Each module in the FPGA chip can be implemented by a soft core or a hard core, wherein in the implementation of the hard core, each module can be implemented on different wafers and packaged together.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (7)
1. The utility model provides a wire rope nondestructive test data acquisition system based on FPGA which characterized by: the magnetic flux leakage detection device comprises a plurality of fluxgate sensors which are distributed along the radial direction of a steel wire rope and synchronously carry out magnetic flux leakage detection, an airspace positioning pulser which generates positioning pulses according to the spatial position of the steel wire rope, and an FPGA chip which is coupled with the fluxgate sensors and the airspace positioning pulser and is used for carrying out data acquisition and analysis; the device also comprises an upper computer which is coupled with the FPGA chip for operation and setting;
the FPGA chip comprises a main control module which is coupled with an upper computer for control processing, a plurality of fluxgate data acquisition modules which acquire fluxgate sensing data in parallel and an airspace positioning pulse counting module which is coupled with an airspace positioning pulser for acquiring and counting pulse signals; the master control module receives and responds to the fluxgate sensing data acquired by the fluxgate data acquisition module and the pulse data acquired by the airspace positioning pulse counting module.
2. The FPGA-based wire rope nondestructive inspection data acquisition system of claim 1, wherein: the FPGA chip also comprises a buffer module which is coupled with the fluxgate data acquisition module and the airspace positioning pulse counting module to buffer data and transmit the data to the main control module.
3. The FPGA-based wire rope nondestructive inspection data acquisition system of claim 2, wherein: the buffer module is a 32-bit first-in first-out buffer module.
4. The FPGA-based wire rope nondestructive inspection data acquisition system of claim 2, wherein: the main control module comprises an equipment parameter setting unit coupled with the fluxgate data acquisition module and the airspace positioning pulse counting module and an upper computer interface unit coupled with an upper computer for signal transmission.
5. The FPGA-based wire rope nondestructive inspection data acquisition system of claim 4, wherein: the upper computer is in wired connection or Bluetooth wireless connection with the FPGA chip.
6. The FPGA-based wire rope nondestructive inspection data acquisition system of claim 4, wherein: the main control module further comprises a data storage unit which is coupled with the SD card data storage device for data storage and transmission.
7. The FPGA-based wire rope nondestructive inspection data acquisition system of claim 1, wherein: the device also comprises an A/D converter which is coupled between the fluxgate sensor and the fluxgate data acquisition module and is used for carrying out signal analog-to-digital conversion; the A/D converter and the fluxgate data acquisition module are provided with a plurality of sensors which are in one-to-one correspondence with the fluxgate sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022655994.4U CN213580773U (en) | 2020-11-17 | 2020-11-17 | FPGA-based steel wire rope nondestructive inspection data acquisition system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022655994.4U CN213580773U (en) | 2020-11-17 | 2020-11-17 | FPGA-based steel wire rope nondestructive inspection data acquisition system |
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| Publication Number | Publication Date |
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| CN213580773U true CN213580773U (en) | 2021-06-29 |
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| CN202022655994.4U Expired - Fee Related CN213580773U (en) | 2020-11-17 | 2020-11-17 | FPGA-based steel wire rope nondestructive inspection data acquisition system |
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- 2020-11-17 CN CN202022655994.4U patent/CN213580773U/en not_active Expired - Fee Related
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Granted publication date: 20210629 |