CN202854560U - WI-FI technology-based remote diagnosis system for numerically-controlled machine tools - Google Patents

WI-FI technology-based remote diagnosis system for numerically-controlled machine tools Download PDF

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Publication number
CN202854560U
CN202854560U CN 201220522130 CN201220522130U CN202854560U CN 202854560 U CN202854560 U CN 202854560U CN 201220522130 CN201220522130 CN 201220522130 CN 201220522130 U CN201220522130 U CN 201220522130U CN 202854560 U CN202854560 U CN 202854560U
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China
Prior art keywords
controlled machine
numerically
user terminal
monitoring processing
processing module
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Expired - Fee Related
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CN 201220522130
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Chinese (zh)
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李云飞
郑征
赵永杰
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Suzhou University
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Suzhou University
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Abstract

Disclosed in the utility model is a WI-FI technology-based remote diagnosis system for numerically-controlled machine tools. The remote diagnosis system comprises monitoring processing modules and user terminals; and the monitoring processing modules include sensor modules, microprocessor units, and communication modules. Besides, the remote diagnosis system is characterized in that the communication modules are WI-FI modules; at least one wireless access point is arranged and is connected to the user terminal. A local area network is formed by the monitoring processing modules, the wireless access point and the user terminals and is connected to a remote monitoring terminal by at least one user terminal so as to form the remote diagnosis system for numerically-controlled machine tools. According to the utility model, a WI-FI network can be established with low cost; real-time information of the numerically-controlled machine tools can be monitored conveniently and timely and certain diagnosis processing is carried out on a fault machine tool, thereby reducing the machine halt time and improving the production efficiency of enterprises.

Description

Numerically controlled machine remote diagnostic system based on the WI-FI technology
Technical field
The utility model relates to a kind of remote diagnosis system, is specifically related to a kind of numerically-controlled machine be carried out the system of remote real-time monitoring and fault detection and diagnosis, especially based on the WI-FI technology numerically-controlled machine is carried out the system of remote diagnosis.
Background technology
Numerically-controlled machine is a kind of modernized electromechanical equipment, and it integrates mechanical, electrical, liquid, technical sophistication, processing technology variation.The specification of digital control system, various in style, performance difference is large, and the control parameter is complicated, and debugging operations is loaded down with trivial details, therefore, in case numerically-controlled machine breaks down, it is carried out fault diagnosis and keeps in repair very high for ageing requirement.On the one hand, if fail in time to diagnose accurately, judge abort situation and the reason of lathe, will cause lathe to can not get keeping in repair timely, prolong the stop time of lathe, reduce the production efficiency of numerically-controlled machine; On the other hand, because diagnosing faults of numerical control machine and maintenance is professional very strong, the machine operation personnel may can not in time shut down because failing in time to find the potential faults of lathe, may cause machine failure to be magnified.
China utility model CN200997066Y discloses a kind of Field Monitoring-Measuring Instrument Used for CNC Machine Tool based on PSTN, comprise single-chip microcomputer, LCD liquid crystal display, button and interface circuit, be used for sensor signal is converted to analog to digital amount change-over circuit, the shaping of switching value input signal, buffer circuit, the modulation/demodulation circuit of digital signal, modulation/demodulation circuit links to each other with the PSTN network by modulator-demodular unit, and links to each other with the computer system of lathe manufacturing enterprise by the PSTN network.Above-mentioned monitor can carry out remote monitoring to the duty of lathe, is convenient to the development personnel of manufacturer or expert and the lathe duty is analyzed trouble-shooting reason, guide maintenance.But this installs based on the public programme-controlled exchange telephone network of PSTN() realize, need to carry out the telephone wire wiring, be not easy to use; And, owing to realize based on PSTN, be not easy to set up LAN (Local Area Network), usually need every lathe to connect respectively telephone wire, increased system cost.
Chinese invention patent application CN 102566503 A disclose a kind of numerically controlled machine remote monitoring and fault diagnosis system, comprise information acquisition module, information transmission modular and remote service management and expert system module, information transmission modular wherein comprises unit part and server section, and unit comprises that partly data-switching submodule, GPRS process submodule and main control module.This scheme realizes based on radio communication, does not need wiring, is convenient to field layout; But it realizes communication based on GPRS, on the one hand, need to utilize commercial radio communication channel, use cost is high, on the other hand, similar with the mode based on PSTN, need to dispose respectively the one-of-a-kind system that a cover comprises the GPRS module to every lathe, be difficult to networking between each lathe.
Simultaneously, such scheme all can not be when detecting fault timely number defined by cut controlled machine power supply, cause easily the machine failure extension, cause unnecessary loss.
Summary of the invention
Goal of the invention of the present utility model provides a kind of numerically controlled machine remote diagnostic system, can reduce implementation cost, can reduce again loss that barrier for some reason causes, enhance productivity.
To achieve the above object of the invention, the technical solution adopted in the utility model is: a kind of numerically controlled machine remote diagnostic system based on the WI-FI technology, comprise monitoring processing module and user terminal, described monitoring processing module comprises sensor assembly, microprocessor unit and communication module, described communication module is the WI-FI module, be provided with at least one wireless access points, described wireless access points is connected to user terminal, formation is by the monitoring processing module, the LAN (Local Area Network) that wireless access points and user terminal form, described LAN (Local Area Network) is connected to the remote monitoring end through at least one user terminal wherein, consists of described numerically controlled machine remote diagnostic system.
In the technique scheme, the monitoring processing module is corresponding with lathe, different sensors is set as required to receive the duty of lathe.Usually, be provided with a plurality of monitoring processing modules, each monitoring processing module is installed on the number of units controlled machine, and sensor assembly wherein is the sensor group that is comprised of temperature sensor, vibration transducer, noise transducer and three phase metering chip that is installed on the corresponding numerically-controlled machine.Thus, many number of units controlled machine to be monitored can be set up into a LAN (Local Area Network), only need an interface to connect the remote monitoring end.
For ease of using, can be provided with a plurality of user terminals, one of them user terminal is through netting twine and a wireless access points wired connection, and this user terminal is connected to the remote monitoring end simultaneously through the internet.
Other user terminal is the handheld device with WI-FI module.For example, the mobile phone, panel computer, PSP etc. that have the WI-FI function.For increasing the distance of radio communication, a plurality of wireless access points (wireless aps) can be set, carry out networking between each wireless aps.
Further technical scheme is provided with relay circuit in the described monitoring processing module, and the input circuit of relay is connected with the output port of microprocessor unit, and the output loop of relay connects the working power of control numerically-controlled machine.Like this; the data that receive when user terminal surpass normal value; for example; actual temperature surpasses the normal working temperature certain value; perhaps vibration frequency is higher than the normal working frequency certain value; noise surpasses normal noise certain value; when real power surpasses the rated power certain value; the cutting-off machine power supply can be pointed out in the user side interface; the user can control by the cutting-off machine power knob at interface the disconnection of the relay of monitoring processing module; thereby the cutting-off machine power supply is reduced the loss, and on-call maintenance, reduces the stop time of lathe.
In the technique scheme, be provided with warning device in the described monitoring processing module, described warning device comprises hummer and conditions of machine tool pilot lamp.
Because technique scheme is used, the utility model compared with prior art has following advantages:
1. the utility model adopts WI-FI technology groups establishing network, and implementation cost is low, and can integrate with existing internet easily, realizes the remote diagnosis based on technology of Internet of things.
2. the utility model adopts wireless routing to form wireless access points, can increase the coverage of wireless signal.
3. when detecting fault; the cutting-off machine power supply can be pointed out in the interface of user terminal; the user can control by the cutting-off machine power knob at interface the disconnection of the relay of monitoring processing module; thereby the cutting-off machine power supply is reduced the loss; and on-call maintenance; reduce the stop time of lathe, enhance productivity.
Description of drawings
Fig. 1 is system network architecture synoptic diagram among the utility model embodiment.
Fig. 2 is workflow synoptic diagram among the embodiment.
Fig. 3 is monitoring processing module structural representation among the embodiment.
Wherein: 1, temperature sensor; 2, vibration transducer; 3, noise transducer; 4, three phase metering chip; 5, microprocessor unit; 6,220v turns the 5v power module; 7, hummer; 8, conditions of machine tool pilot lamp; 9, WI-FI module; 10, relay.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment one: referring to shown in Fig. 1 to 3, a kind of numerically controlled machine remote diagnostic system based on the WI-FI technology, comprise monitoring processing module and user terminal, also comprise wireless access points, wherein, described monitoring processing module comprises sensor assembly, microprocessor unit 5, WI-FI module 9, warning device, power module 6 and relay circuit 10 form, the output port of described sensor assembly is connected to the input port of microprocessor unit 5, described relay circuit 10 and power module 6 access respectively microprocessor unit 5, the output port of described microprocessor unit 5 is connected respectively to warning device and WI-FI module 9, described WI-FI module 9 is wirelessly connected to wireless access points, and described wireless access points is connected to user terminal.
Described wireless access points is comprised of wireless router, the sensor group that described sensor assembly is comprised of temperature sensor 1, vibration transducer 2, noise transducer 3 and three phase metering chip 4, and described power module 6 turns the 5V direct supply for 220V exchanges.
Described warning device comprises hummer 7 and conditions of machine tool pilot lamp 8.
The specific works process of this system is, the real-time information of the sensor assembly monitoring numerically-controlled machine in the monitoring processing module, and these information comprise lathe temperature information, machine vibration information, machine noise and lathe real power.Sensor is delivered to microprocessor unit with the simulating signal that collects through analog to digital conversion, microprocessor unit is sent to wireless access points through the WI-FI module after the information that collects is processed through classification, and user terminal can receive the real-time information that the monitoring processing module sends by wireless access points.When the data that receive surpass normal value; that is to say that actual temperature surpasses the normal working temperature certain value or vibration frequency is higher than the normal working frequency certain value; noise surpasses normal noise certain value; when real power surpasses the rated power certain value; the cutting-off machine power supply can be pointed out in high-end interface; the user can control by the cutting-off machine power knob at high-end interface the disconnection of the relay of monitoring processing module; thereby the cutting-off machine power supply is reduced the loss; and on-call maintenance, the stop time of minimizing lathe.If user terminal is the mobile phone of supporting WI-FI, can also process by the more convenient information that receives timely of wireless access points.
The utility model can low-costly be set up the WI-FI network, easily and timely monitors the real-time information of numerically-controlled machine and in time the fault lathe is made certain diagnostic process, reduces its stop time, improves the production efficiency of enterprise.Native system can be easily and present cable network seamless integration, accomplishes the thing Internet of Things, Long-distance Control.

Claims (6)

1. numerically controlled machine remote diagnostic system based on the WI-FI technology, comprise monitoring processing module and user terminal, described monitoring processing module comprises sensor assembly, microprocessor unit and communication module, it is characterized in that: described communication module is the WI-FI module, be provided with at least one wireless access points, described wireless access points is connected to user terminal, formation is by the monitoring processing module, the LAN (Local Area Network) that wireless access points and user terminal form, described LAN (Local Area Network) is connected to the remote monitoring end through at least one user terminal wherein, consists of described numerically controlled machine remote diagnostic system.
2. the numerically controlled machine remote diagnostic system based on the WI-FI technology according to claim 1, it is characterized in that: be provided with a plurality of monitoring processing modules, each monitoring processing module is installed on the number of units controlled machine, and sensor assembly wherein is the sensor group that is comprised of temperature sensor, vibration transducer, noise transducer and three phase metering chip that is installed on the corresponding numerically-controlled machine.
3. the numerically controlled machine remote diagnostic system based on the WI-FI technology according to claim 1, it is characterized in that: be provided with a plurality of user terminals, one of them user terminal is through netting twine and a wireless access points wired connection, and this user terminal is connected to the remote monitoring end simultaneously through the internet.
4. the numerically controlled machine remote diagnostic system based on the WI-FI technology according to claim 3, it is characterized in that: other user terminal is the handheld device with WI-FI module.
5. the numerically controlled machine remote diagnostic system based on the WI-FI technology according to claim 1, it is characterized in that: be provided with relay circuit in the described monitoring processing module, the input circuit of relay is connected with the output port of microprocessor unit, and the output loop of relay connects the working power of control numerically-controlled machine.
6. the numerically controlled machine remote diagnostic system based on the WI-FI technology according to claim 1, it is characterized in that: be provided with warning device in the described monitoring processing module, described warning device comprises hummer and conditions of machine tool pilot lamp.
CN 201220522130 2012-10-12 2012-10-12 WI-FI technology-based remote diagnosis system for numerically-controlled machine tools Expired - Fee Related CN202854560U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104391480A (en) * 2014-12-04 2015-03-04 宁波市华正信息技术有限公司 Expert system based numerically-controlled machine tool fault diagnosis system
CN105446308A (en) * 2015-12-30 2016-03-30 青海模具制造科技有限公司 Real-time monitoring networking main control system for numerical control machine tool
CN108687285A (en) * 2018-06-11 2018-10-23 哈尔滨工程大学 Manufacturing industry forging machine tool group internet remote condition monitoring device and monitoring method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104391480A (en) * 2014-12-04 2015-03-04 宁波市华正信息技术有限公司 Expert system based numerically-controlled machine tool fault diagnosis system
CN104391480B (en) * 2014-12-04 2017-04-19 宁波市华正信息技术有限公司 Expert system based numerically-controlled machine tool fault diagnosis system
CN105446308A (en) * 2015-12-30 2016-03-30 青海模具制造科技有限公司 Real-time monitoring networking main control system for numerical control machine tool
CN108687285A (en) * 2018-06-11 2018-10-23 哈尔滨工程大学 Manufacturing industry forging machine tool group internet remote condition monitoring device and monitoring method

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