CN211293723U - On-line monitoring controller based on multi-sensing fusion technology - Google Patents
On-line monitoring controller based on multi-sensing fusion technology Download PDFInfo
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- CN211293723U CN211293723U CN202021370277.0U CN202021370277U CN211293723U CN 211293723 U CN211293723 U CN 211293723U CN 202021370277 U CN202021370277 U CN 202021370277U CN 211293723 U CN211293723 U CN 211293723U
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Abstract
The utility model relates to the technical field of online monitoring of numerical control machine tools, in particular to an online monitoring controller based on multi-sensor fusion technology, which comprises a dual-core MCU, an FPGA circuit, an A/D conversion circuit, a signal conditioning circuit, an acoustic emission sensor interface module, an IEPE vibration sensor interface module, a voltage input interface module, a voltage output interface module, a temperature input interface module, a pulse input interface module, a communication interface module, a constant current source, a constant voltage source and a direct current power supply module, wherein the dual-core MCU comprises a first core and a second core, the first core completes signal acquisition operation of the acoustic emission sensor interface module through the FPGA circuit, the A/D conversion circuit, the signal conditioning circuit and the constant voltage source, the first core completes signal acquisition operation of the IEPE vibration sensor interface module through the FPGA circuit, the A/D conversion circuit, the signal conditioning circuit and the constant current source, the method has the advantage of simultaneously acquiring data of multiple types of sensors.
Description
Technical Field
The utility model relates to a digit control machine tool on-line monitoring technical field, concretely relates to on-line monitoring controller based on many sensing fusion technique.
Background
In the field of online monitoring of equipment, especially in the field of online monitoring of numerical control machines, the following problems exist at present: firstly, the simultaneous monitoring of multiple types of sensors is realized mainly in a hardware combination mode in function, the data of the multiple types of sensors cannot be simultaneously acquired by single hardware, the field installation and wiring are difficult, the cost is high, the signal synchronism is poor, and certain influence is caused on the subsequent data analysis; secondly, a front-end analysis function is lacked, acoustic emission and vibration signals need high-frequency sampling, the data volume is very large, the acoustic emission and vibration signals are directly transmitted to the rear end, a large operation burden is caused to a server, and real-time analysis of the data is difficult to guarantee; thirdly, the monitoring is heavy and the control is light, the current products mainly use signal monitoring, the control feedback function is lacked, and the expandability of the equipment is poor. Therefore, there is a need for an on-line monitoring controller that integrates signal acquisition, analysis, and feedback control on a single device, and realizes acquisition of IEPE-type vibration sensors, acoustic emission sensors, PT 100-type temperature sensors, pulse signals, and voltage signals.
Disclosure of Invention
In order to solve the problem, the utility model provides an on-line monitoring controller based on many sensing fusion technique, it has the advantage that can accomplish polymorphic type sensor data simultaneous acquisition.
In order to achieve the above object, the utility model adopts the following technical scheme: an on-line monitoring controller based on multi-sensing fusion technology comprises a dual-core MCU, an FPGA circuit, an A/D conversion circuit, a signal conditioning circuit, an acoustic emission sensor interface module, an IEPE vibration sensor interface module, a voltage input interface module, a voltage output interface module, a temperature input interface module, a pulse input interface module, a communication interface module, a constant current source, a constant voltage source and a direct current power source module, wherein the direct current power source module is used for providing stable power for the modules, the dual-core MCU comprises a first core and a second core, the first core completes signal acquisition operation on the acoustic emission sensor interface module through the FPGA circuit, the A/D conversion circuit, the signal conditioning circuit and the constant voltage source, the first core completes signal acquisition operation on the IEPE vibration sensor interface module through the FPGA circuit, the A/D conversion circuit, the signal conditioning circuit and the constant current source, the second kernel is connected with a voltage input interface module, a temperature input interface module, a voltage output interface module and a pulse input interface module respectively, the second kernel collects a voltage signal of the equipment to be monitored through the voltage input interface module, the second kernel collects a signal of a temperature sensor of the equipment to be monitored through the temperature input interface module, the second kernel outputs a feedback control signal through the voltage output interface module, and the second kernel collects a pulse signal through the pulse input interface module.
Preferably, the direct current power supply module comprises an external DC24V power supply and a voltage stabilizing circuit.
Preferably, the voltage input interface module, the voltage output interface module and the pulse input interface module are all provided with optical coupling isolation.
Preferably, the output end of the second core is further connected with a status indicator light interface.
Preferably, the communication interface module includes a LAN interface, a wireless WIFI interface, and an RS485 interface.
Preferably, the voltage input interface module is used for collecting 8 paths of single-terminal voltage signals or 4 paths of differential voltage signals.
Use the utility model discloses a beneficial effect is: the utility model integrates multiple functions on one device, namely, integrates signal acquisition, analysis and feedback control on a single device, realizes the acquisition of IEPE type vibration sensor, acoustic emission sensor, PT100 type temperature sensor, pulse signal and voltage signal, and integrates the monitoring and control into a whole; a dual-core MCU + FPGA architecture is adopted, so that the parallel synchronous data acquisition and data processing capacity is very fast; the system can be connected with a numerical control system and PLC equipment to realize perfect combination of data acquisition and sensor signal acquisition; and 3, data fusion analysis is performed, 3-domain unified analysis of a time domain, a frequency domain and a position domain is realized, and an analysis result is more accurate.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the outer appearance of the top plate and the left and right side plates of the outer shell of the present invention;
FIG. 3 is a schematic view of the application structure of the present invention;
fig. 4 is a schematic diagram of the signal processing flow of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in figure 1, an on-line monitoring controller based on multi-sensor fusion technology comprises a dual-core MCU, an FPGA circuit, an A/D conversion circuit, a signal conditioning circuit, an acoustic emission sensor interface module, an IEPE vibration sensor interface module, a voltage input interface module, a voltage output interface module, a temperature input interface module, a pulse input interface module, a communication interface module, a constant current source, a constant voltage source and a direct current power supply module, wherein the dual-core MCU comprises a first core and a second core, the first core completes signal acquisition operation on the acoustic emission sensor interface module through the FPGA circuit, the A/D conversion circuit, the signal conditioning circuit and the constant current source, the first core completes signal acquisition operation on the IEPE vibration sensor interface module through the FPGA circuit, the A/D conversion circuit, the signal conditioning circuit and the constant current source, and the second core is respectively connected with the voltage input interface module, The direct current power supply module is used for providing stable power for each module in the board, the second kernel collects voltage signals of equipment to be monitored through the voltage input interface module, the second kernel collects signals of a temperature sensor of the equipment to be monitored through the temperature input interface module, the second kernel outputs feedback control signals through the voltage output interface module, and the second kernel collects pulse signals through the pulse input interface module. The dual-core MCU is used as a main control chip, the first core is used as a high-speed signal acquisition operation core, and the second core is used as a control core with functions of low-speed signal acquisition, signal operation, signal output, signal transmission and the like. The first kernel is set according to the parameters, after a certain amount of data is collected, the data is transmitted to the second kernel through the high-speed channel, the second kernel processes and analyzes the data according to the parameter setting, such as FFT analysis to obtain frequency domain data, and then the frequency domain data is sent to the back end through the communication interface module. The utility model discloses monitor controller embeds constant voltage source, signal conditioning circuit, AD converting circuit, adopts the FPGA circuit that can realize high-speed signal acquisition to accomplish acoustic emission sensor's signal acquisition, can realize 1 way 4 MHz's signal acquisition at most; the utility model discloses monitor controller embeds constant current source, signal conditioning circuit, AD converting circuit, adopts the FPGA circuit that can realize high-speed signal acquisition to accomplish IEPE type vibration sensor's signal acquisition, can realize 4 way 102.4 KHz's signal acquisition at most; the utility model discloses built-in constant current source, filtering and amplifier circuit, AD converting circuit of monitor controller realizes 3 way PT100 temperature sensor's signal acquisition. The built-in and external double-watchdog circuit is adopted, so that the system can be restarted in case of an accident, and the stable and reliable operation of the system is ensured.
The direct current power supply module comprises an external DC24V power supply and a voltage stabilizing circuit. Because the controller of the utility model is internally provided with the voltage stabilizing circuit, the wide voltage input of 19-36V can be accepted, and the controller can adapt to the adverse effect of voltage fluctuation in the industrial field;
and optical coupling isolation is arranged in each of the voltage input interface module, the voltage output interface module and the pulse input interface module. The monitoring controller realizes the input function of 2 paths of pulse signals through optical coupling isolation; a DA conversion module is arranged in the monitoring controller, the function of outputting 2 paths of voltage signals is realized through optical coupling isolation, and the monitoring controller can be used as a control signal in practical application to realize a feedback control function. The voltage input interface module is used for collecting 8 paths of single-end voltage signals or 4 paths of differential voltage signals. The utility model discloses monitor controller provides 8 way single-ended or 4 way differential voltage signal collection functions, and the signal passes through the opto-coupler isolation, can satisfy safe operation under the industrial field adverse circumstances.
The output end of the second inner core is also connected with a status indicator light interface. The utility model discloses equipment has status indicator lamp, including functions such as error prompt, warning suggestion, running state suggestion, improve the readability and the easy to maintain nature of field application.
The communication interface module comprises a LAN port, a wireless WIFI interface and an RS485 interface. The utility model discloses the equipment provides LAN net gape and wireless WIFI interface realization and backstage application software's data communication, can set up which interface to use according to actual demand; the RS485 interface is provided, so that data interaction with equipment such as a PLC and the like which are provided with the interfaces can be realized, and the expandability of the monitoring controller is improved.
As shown in fig. 2, the utility model discloses controller casing left side board leaves opening and mark PWR to the direct current power module, leaves the LAN of opening and mark to the LAN net gape, leaves opening and mark WIFI to the wireless WIFI interface, leaves the opening to IEPE type vibration sensor interface module, marks IE1-IE4 respectively, leaves opening and mark AE1 to the acoustic emission sensor interface module. The right side plate is provided with openings for the voltage input interface module, wherein the openings are respectively marked with corresponding AI1-AI8 labels and grounding symbols, the openings and the labels corresponding to three groups of PT100 are reserved for the temperature input interface module, the openings are reserved for the voltage output interface module, the openings and the labels correspond to AO1-AO2 and grounding symbols, the openings and the labels correspond to DI1-DI2 are reserved for the pulse input interface module, and the openings and the labels are reserved for the RS485 interface.
As shown in fig. 3, the utility model discloses a device driver software is as the middleware, and monitoring controller passes through the driver software and the application layer communication of rear end, and equally, application layer software passes through the device driver layer and sends the instruction for monitoring controller. The equipment driving software is internally provided with a butt joint function with the numerical control system, so that the acquisition and interaction of numerical control system information are realized, and all acquired data are fused in a driving layer, comprise data of a time domain, a frequency domain and a position domain and are submitted to application layer software.
As shown in fig. 4, the controller of the present invention starts up and then enters hardware initialization, network initialization and drive connection, and under the condition of no error output, loads the setting parameters, enters the main loop, and when receiving the command, sequentially judges whether to enter and start the parameter setting module, the data acquisition module, the RS485 module or the control output module according to the corresponding command, and when the execution is finished or the command is not received, continuously returns to the main loop.
The above description is only a preferred embodiment of the present invention, and many changes can be made in the detailed description and the application scope according to the idea of the present invention for those skilled in the art, which all belong to the protection scope of the present invention as long as the changes do not depart from the concept of the present invention.
Claims (6)
1. The utility model provides an on-line monitoring controller based on many sensing fusion technique which characterized in that: the direct current power supply module is used for providing stable power supply for the modules, the dual-core MCU comprises a first core and a second core, the first core completes signal acquisition operation on the sound emission sensor interface module through the FPGA circuit, the A/D conversion circuit, the signal conditioning circuit and the constant voltage source, the first core completes signal acquisition operation on the IEPE vibration sensor interface module through the FPGA circuit, the A/D conversion circuit, the signal conditioning circuit and the constant voltage source, and the second core is respectively connected with the voltage input interface module, The temperature control device comprises a temperature input interface module, a voltage output interface module and a pulse input interface module, wherein the second core acquires a voltage signal of a device to be monitored through the voltage input interface module, acquires a signal of a temperature sensor of the device to be monitored through the temperature input interface module, outputs a feedback control signal through the voltage output interface module, and acquires a pulse signal through the pulse input interface module.
2. The on-line monitoring controller based on multi-sensor fusion technology according to claim 1, characterized in that: the direct current power supply module comprises an external DC24V power supply and a voltage stabilizing circuit.
3. The on-line monitoring controller based on multi-sensor fusion technology according to claim 1, characterized in that: and optical coupling isolation is arranged in each of the voltage input interface module, the voltage output interface module and the pulse input interface module.
4. The on-line monitoring controller based on multi-sensor fusion technology according to claim 1, characterized in that: and the output end of the second inner core is also connected with a status indicator lamp interface.
5. The on-line monitoring controller based on multi-sensor fusion technology according to claim 1, characterized in that: the communication interface module comprises a LAN port, a wireless WIFI interface and an RS485 interface.
6. The on-line monitoring controller based on multi-sensor fusion technology according to claim 1, characterized in that: the voltage input interface module is used for collecting 8 paths of single-end voltage signals or 4 paths of differential voltage signals.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021370277.0U CN211293723U (en) | 2020-07-14 | 2020-07-14 | On-line monitoring controller based on multi-sensing fusion technology |
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| CN202021370277.0U CN211293723U (en) | 2020-07-14 | 2020-07-14 | On-line monitoring controller based on multi-sensing fusion technology |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112882833A (en) * | 2021-02-09 | 2021-06-01 | 广州思林杰科技股份有限公司 | Data acquisition method and device, computer equipment and storage medium |
| CN114595176A (en) * | 2022-02-21 | 2022-06-07 | 北京中科银河芯科技有限公司 | Data communication system, method and equipment based on chip power consumption |
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2020
- 2020-07-14 CN CN202021370277.0U patent/CN211293723U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112882833A (en) * | 2021-02-09 | 2021-06-01 | 广州思林杰科技股份有限公司 | Data acquisition method and device, computer equipment and storage medium |
| CN114595176A (en) * | 2022-02-21 | 2022-06-07 | 北京中科银河芯科技有限公司 | Data communication system, method and equipment based on chip power consumption |
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Effective date of registration: 20230919 Address after: Unit 08, 13th Floor, COFCO Building, No. 56-34 Huanghe North Street, Huanggu District, Shenyang City, Liaoning Province, 110031 Patentee after: Shenyang Aviation Industry Technology Research Institute Co.,Ltd. Address before: 110172 1507, No. 75-1, Jinfeng street, Shenfu new area, Shenyang City, Liaoning Province Patentee before: Liaoning aviation Intelligent Manufacturing Research Institute Co.,Ltd. |
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