CN101944242A - Operational use time recorder of general machine tool - Google Patents
Operational use time recorder of general machine tool Download PDFInfo
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- CN101944242A CN101944242A CN 201010249317 CN201010249317A CN101944242A CN 101944242 A CN101944242 A CN 101944242A CN 201010249317 CN201010249317 CN 201010249317 CN 201010249317 A CN201010249317 A CN 201010249317A CN 101944242 A CN101944242 A CN 101944242A
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Abstract
The invention discloses an operational use time recorder of a general machine tool. The machine tool current is input to a control module through a data regulation acquisition module after a sensor senses the change of the machine tool current; the operating state of the machine tool is judged by the control module to obtain the operational use time, the standby time, the power-on time and the power-off time of the machine tool which are displayed by a display module and are transmitted to an upper computer by a data transmission module; a perpetual calendar module provides the operating time standard for the control module; and a watch dog module leads the control module to normally operate once again when a system is in error. The effective operating time recorder of the invention can sense the changes of the operating state of the general machine tools and the large-scale machine tools, can distinguish the different states, such as machine tool halt, standby or effective operation and the like, and record the operational use time and the standby time of the machine tool.
Description
Technical field
The present invention relates to a kind of electronic product, especially a kind of registering instrument that can write down the various lathe operational use times.
Background technology
The current check of machine tool, maintenance and maintenance are the important foundation work of manufacturing enterprise.Owing to lack raw data such as lathe working time, cause the maintenance job of manufacturing enterprise all to belong to correction maintenance, line service all is to carry out according to experience, lacks the foundation that quantizes, and makes equipment can not get good maintenance maintenance.In addition, grasp the working time of lathe in detail, understand the plant factor of every lathe, help enterprise to carry out the detailed production schedule and production planning and sequencing, improve plant factor, thereby enhance productivity.
At present, lathe operational use time registering instrument and similar product are not arranged as yet on the market.Close by search discovery " real-operation time recorder " (publication number CN87105826) with this product function to patent database, but implementation method is different with principle.This patent is cut (mill) at metal and is cut machinery, compression shock machinery and electroplating equipment wielding machine three classes, adopts the moving time of reality of diverse ways recording unit.Metal is cut (mill) cut machinery, it realizes that principle is by setting-up eccentricity ring on tool driving shaft, rotation by eccentric hoop promotes to have the push rod of magnetic patch and does linear reciprocating motion, since the variation of magnetic patch position can make in the circuit about two tongue tubes conducting and disconnections respectively, and, realize the record of lathe working time by follow-up signal Processing; To compression shock machinery, on the operation of equipment operating key, auxiliary reclay is installed, whether work by the conducting and the disconnection judgment device of auxiliary reclay; For welding class machinery, then by whether existing electric current to come judgment device whether to work in the inductive coil detection line.This patent can realize the record to equipment task times such as some lathes under certain condition, but can't realize the differentiation to lathe working time and operational use time, and is then powerless for the machine tool that cutters such as lathe do not rotate.
Summary of the invention
Can't realize differentiation and the not strong deficiency of versatility in order to overcome prior art to lathe working time and operational use time; the invention provides a kind of machine tool operational use time registering instrument; this registering instrument can the perception machine tool and the duty of heavy duty machine tools change; can distinguish different states such as lathe shutdown, standby or effective work, note the operational use time and the stand-by time of lathe.
The technical solution adopted for the present invention to solve the technical problems is: comprise sensor, data conditioning acquisition module, control module, display module, data transmission module, perpetual calendar module and watchdog module.Wherein, but sensor is the current sensor of any perception lathe electrorheologicalizations such as employing electric current mutual inductance principle, hall principle, and concrete sensor type can be determined according to the type of lathe and the duty and the detection method of dissimilar lathes.Variation by this sensor senses lathe standby current and working current, then by the electric signal of data conditioning acquisition module reception from sensor, again this signal is carried out pre-filtering, isolation, amplification or decay, anti-aliasing filter and analog to digital conversion and become digital voltage signal, be input in the control module; In control module, according to the working current and the standby current size of lathe, for this lathe is set operating voltage threshold value and standby voltage threshold.Control module will compare from the digital voltage signal of data conditioning acquisition module and preset working voltage threshold and standby voltage threshold, judge the duty of lathe.Can obtain operational use time, stand-by time and the switching on and shutting down time of lathe by the duty of distinguishing lathe; Lathe operational use time and stand-by time that described display module is used to receive from control module are also shown; Described data transmission module receives the lathe operational use time data from control module, and these data are sent in the host computer by network interface; Described perpetual calendar module is any perpetual calendar chip that time reference can be provided, and its objective is to control module provides the working time benchmark, guarantees the accuracy of institute's record lathe operational use time; Described watchdog module is the programmable watchdog timer, during operate as normal, control module can be carried out write operation to the register of WatchDog Timer at interval with a regular time, when control module occurs moving because of system mistake when out of control, can stop write operation to the WatchDog Timer register, at this moment, watchdog module can send reset signal to control module under the driving of timer of self, make control module normally to move again.
Described control module comprises contrast unit, timing unit and storage unit, wherein contrasting the unit and be digital voltage signal that the data conditioning acquisition module is transmitted and operating voltage threshold value and standby voltage threshold compares, when digital voltage signal during greater than the operating voltage threshold value, lathe is in running order; When digital voltage signal during less than the operating voltage threshold value and greater than the standby voltage threshold, lathe is in holding state; When digital voltage signal during less than the standby voltage threshold, the expression lathe is in stopped status; Described timing unit is used to write down the lathe operational use time and the stand-by time of the output of contrast unit, and transfers to storage unit, by operational use time, stand-by time and the switching on and shutting down time of cell stores lathe.
Described data transmission module links to each other with host computer by registering instrument effective time that network interface will be installed on the different lathes, the control that just can concentrate of host computer and all the operational use time registering instruments in the supervising the network like this, understand the working condition of each lathe real-time dynamicly, and the data that the registering instrument reception is come from effective time are gathered.In addition, dissimilar lathes can be used the sensor of different model and different controlled variable, and as operating voltage threshold value and standby voltage threshold, these controlled variable can be provided with by host computer is unified, with convenient management.The network interface here can be by diverse network interfaces such as CAN bus, netting twine, telephone wire, serial ports, parallel port or wireless network transmissions are installed.
The invention has the beneficial effects as follows: this registering instrument can perception machine tool and heavy duty machine tools; duty as equipment such as lathe, milling machine, planer, grinding machine, boring machines changes; can distinguish different states such as lathe shutdown, standby or effective work; note the operational use time and the stand-by time of lathe, for work such as enterprise calculation lathe service efficiency, product machining period, lathe accumulative total working time, machine upkeep time prediction provide data.By network interface, can constitute a whole network lathe working status monitoring system with the network management center computing machine.Managerial personnel can understand the working condition of each lathe real-time dynamicly by central computer, and the data that the registering instrument reception is come from effective time are gathered, and effectively improve the efficiency of management and decision-making level.
The present invention is further described below in conjunction with drawings and Examples.
Description of drawings
Fig. 1: effective time registering instrument functional block diagram
Fig. 2: registering instrument recording method effective time process flow diagram
Fig. 3: based on the lathe work state network Managed Solution figure of operational use time registering instrument
Fig. 4: based on the lathe work state network management method process flow diagram of operational use time registering instrument
Fig. 5: the data transmission flow process figure of interface Network Based
Fig. 6: sensor signal conditioning Acquisition Circuit instance graph
Fig. 7: watchdog circuit instance graph
Fig. 8: CAN bus circuit instance graph
Fig. 9: display screen practical circuit figure
Figure 10: FeRAM circuit instance graph
Embodiment
As shown in Figure 1, it is the functional block diagram of operational use time registering instrument of the present invention.Described lathe operational use time registering instrument 10 comprises sensor 101, data conditioning acquisition module 102, control module 103, display module 104, perpetual calendar module 105, watchdog module 106, data transmission module 107.Described sensor 101 changes the variation that comes perception lathe duty by the electric current of perception lathe, and the work state information of lathe is changed into corresponding electric signal; Described data conditioning acquisition module 102 is used for the electric signal of pick-up transducers 101 and nurses one's health, the conditioning mode comprise filtering, signal amplify or dwindle, analog to digital conversion etc., the analog electrical signal of sensor transforms digital electric signal the most at last, is input in the control module 103; Described control module 103 comprises contrast unit 1031, timing unit 1032 and storage unit 1033.Default lathe work voltage threshold and shutdown voltage threshold in described contrast unit 1031; this threshold value is used for comparing with the magnitude of voltage of exporting from data conditioning acquisition module 102; judge that lathe is residing duty, as effective duty, holding state and stopped status.Wherein contrast unit 1031 default voltage thresholds and can carry out personal settings according to the concrete model of lathe; Described timing unit 1032 adds up according to the operational use time and the stand-by time of the conditions of machine tool information that contrasts unit 1031 outputs to lathe; Described storage unit 1033 is used to receive the lathe operational use time and the stand-by time data of timing unit 1032, and stores.Control module 103 can be a single-chip microcomputer;
Shown in Fig. 1, described display module 104 is used to receive the lathe operational use time and the stand-by time data of control module 103, and with data presentation on screen; The purpose of described perpetual calendar module 105 is to provide time reference to control module 103, calculates the lathe operational use times and standby working time provides foundation for control module 103, guarantees institute's accuracy of computing time; Described watchdog module 106 is to occur moving because of system mistake when out of control when control module 103, and watchdog module 106 can send reset signal to control module 103 under the driving of timer of self, use control module 103 normally to move again.Described data transmission module 107 is used for network communication and data transfer management between lathe operational use time registering instrument and the host computer.
With reference to shown in Figure 2, it is an operational use time registering instrument recording method process flow diagram of the present invention.When starting lathe, this operational use time registering instrument starts (step 201) thereupon; Begin then to gather, and signal condition is become digital voltage signal (step 202) from signal of sensor; Digital voltage value signal after the conditioning and preset working voltage threshold and standby voltage threshold are compared.If magnitude of voltage is greater than operating voltage threshold value (step 203), show that then but lathe is a normal operating conditions, then the operational use time to lathe adds up (step 204), display module shows the operational use time (step 207), the lathe operational use time data (step 208) of memory module storage simultaneously; If magnitude of voltage is less than operating voltage threshold value (step 203), and greater than standby voltage threshold (step 205), show that then lathe is in holding state, then the stand-by time to lathe adds up (step 206), display module shows lathe stand-by time (step 207), the lathe stand-by time data (step 208) of memory module storage simultaneously; If magnitude of voltage, shows then that lathe is in stopped status less than standby voltage threshold (step 203), lathe operational use time this moment record flow process finishes.When lathe is in operate as normal and holding state, the output signal of operational use time registering instrument continuous acquisition tool sensor, and the operational use time and the standby working time of lathe carried out continuous recording.
As Fig. 3 is lathe work state network Managed Solution figure based on the operational use time registering instrument.Wherein, host computer 12, network-bus 13, operational use time registering instrument 10, lathe 11.Described lathe registering instrument effective time 10 is installed on the lathe 11.Described host computer 12 is connected with a plurality of lathe registering instrument effective time 10 by network-bus 13, forms a LAN.In this LAN, be that each operational use time registering instrument 10 distributes different IP, ID or coding, so just can realize that the effective time registering instrument is corresponding one by one with lathe.Each lathe operational use time registering instrument 10 and each lathe 11 just can be distinguished and discern to host computer 12 by IP address, ID or the coding of identification registering instrument effective time.When enterprise need gather the lathe operational use time during data, can be based on host computer 12, by network-bus 13, directly read operational use time information, stand-by time information and the switching on and shutting down time of each lathe 11 that each lathe operational use time registering instrument 10 write down; Simultaneously, by network-bus 13, enterprise administrator can be based on host computer, and parameters such as the operating voltage threshold value of each lathe registering instrument effective time and standby voltage threshold are carried out unified setting and management.
With reference to shown in Figure 4, it is the lathe work state network management method process flow diagram based on the operational use time registering instrument.Beginning, system at first carries out network interface and carries out initialization (step 401); After initialization was finished, the operational use time data of every lathe were gathered one by one according to the order of operational use time registering instrument by system.For selected current effective time of registering instrument, at first detection record instrument work whether normal (step 402); If there is fault in registering instrument, then write down current failure message, and select next record instrument (step 403), return recording instrument duty detects step (step 402).If current effective time, registering instrument was working properly, the operational use time data (step 404) that then can gather current lathe by network interface; Then, judge whether all lathe information acquisitions finish (step 405).As also not finishing, then select next operational use time registering instrument (step 406), and return recording instrument duty detects step (step 402).If gather and to finish, then can gather, analyze and handle (step 407) all lathe operational use time data that collected, analysis result is delivered to display and is shown and result data is stored (step 408).
In conjunction with shown in Figure 5, it is the data transmission flow process figure that the present invention is based on network interface.Beginning is carried out initialization (step 501,502) to the network port and communication data district at first respectively; Then judge the required network port (step 503) that communicates connection; Receive handshake (step 504) by this network port,, then return step 504, continue to wait for the signal of host computer if do not receive handshake (step 505) from host computer from host computer.If received handshake (step 505), then begun by the network port to host computer transmitter bed operational use time data (step 506) from host computer.The operational use time registering instrument sends lathe operational use time data with data structure forms such as messages.Every frame message information structure has comprised IP address, ID or the coding of header, telegram end and lathe operational use time registering instrument, and data message such as switching on and shutting down time, stand-by time, operational use time.Whether judgment data sends and finishes (step 507) at last, does not just return step 506 continuation transmission data if data send to finish.
With reference to shown in Figure 6, it is the practical circuit figure of sensor electrical signal condition acquisition module; With reference to shown in Figure 7, it is the watchdog circuit instance graph; With reference to shown in Figure 8, it is the data transmission circuit instance graph based on CAN bus network interface; With reference to shown in Figure 9, it is operational use time registering instrument display screen and driving circuit instance graph thereof; With reference to shown in Figure 10, it is the FeRAM circuit instance graph.
Claims (3)
1. machine tool operational use time registering instrument, comprise sensor, data conditioning acquisition module, control module, display module, data transmission module, perpetual calendar module and watchdog module, it is characterized in that: sensor is a current sensor, the variation of perception lathe standby current and working current, then by the electric signal of data conditioning acquisition module reception from sensor, again this signal is carried out pre-filtering, isolation, amplification or decay, anti-aliasing filter and analog to digital conversion and become digital voltage signal, be input in the control module; Control module is according to the working current and the standby current size of lathe, for this lathe is set operating voltage threshold value and standby voltage threshold; Control module will compare from the digital voltage signal of data conditioning acquisition module and preset working voltage threshold and standby voltage threshold, judge the duty of lathe; Can obtain operational use time, stand-by time and the switching on and shutting down time of lathe by the duty of distinguishing lathe; Lathe operational use time and stand-by time that described display module is used to receive from control module are also shown; Described data transmission module receives the lathe operational use time data from control module, and these data are sent in the host computer by network interface; Described perpetual calendar module provides the working time benchmark for control module; Described watchdog module is the programmable watchdog timer, during operate as normal, control module can be carried out write operation to the register of WatchDog Timer at interval with a regular time, when control module occurs moving because of system mistake when out of control, can stop write operation to the WatchDog Timer register, at this moment, watchdog module can send reset signal to control module under the driving of timer of self, make control module normally to move again.
2. machine tool operational use time registering instrument according to claim 1, it is characterized in that: described control module comprises contrast unit, timing unit and storage unit, wherein contrasting the unit and be digital voltage signal that the data conditioning acquisition module is transmitted and operating voltage threshold value and standby voltage threshold compares, when digital voltage signal during greater than the operating voltage threshold value, lathe is in running order; When digital voltage signal during less than the operating voltage threshold value and greater than the standby voltage threshold, lathe is in holding state; When digital voltage signal during less than the standby voltage threshold, the expression lathe is in stopped status; Described timing unit is used to write down the lathe operational use time and the stand-by time of the output of contrast unit, and transfers to storage unit, by operational use time, stand-by time and the switching on and shutting down time of cell stores lathe.
3. machine tool operational use time registering instrument according to claim 1 is characterized in that: described data transmission module links to each other with host computer by registering instrument effective time that network interface will be installed on the different lathes.
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| CN 201010249317 CN101944242A (en) | 2010-08-06 | 2010-08-06 | Operational use time recorder of general machine tool |
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Cited By (11)
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| CN102324180A (en) * | 2011-08-24 | 2012-01-18 | 广州市特种机电设备检测研究院 | Energy-conservation on-line data acquisition method of elevator long distance and device |
| CN102354404A (en) * | 2011-10-11 | 2012-02-15 | 刘海燕 | Recorder for recording running status of medical equipment and recording method thereof |
| CN102610002A (en) * | 2011-01-20 | 2012-07-25 | 鸿富锦精密工业（深圳）有限公司 | Machine station state detection system and method |
| CN103150781A (en) * | 2011-12-07 | 2013-06-12 | 珠海格力电器股份有限公司 | Monitoring device, method and system for automatic plug-in equipment |
| CN103869734A (en) * | 2014-03-03 | 2014-06-18 | 杭州电子科技大学 | Intelligent air conditioner switching time recording device |
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| CN107330994A (en) * | 2017-06-30 | 2017-11-07 | 联想(北京)有限公司 | The switching instant acquisition methods and electronic equipment of running status |
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| EP3540678A4 (en) * | 2016-11-15 | 2020-05-06 | DMG Mori Co., Ltd. | Machine tool management system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103869734A (en) * | 2014-03-03 | 2014-06-18 | 杭州电子科技大学 | Intelligent air conditioner switching time recording device |
| EP3540678A4 (en) * | 2016-11-15 | 2020-05-06 | DMG Mori Co., Ltd. | Machine tool management system |
| CN106371399A (en) * | 2016-11-17 | 2017-02-01 | 瑞鹄汽车模具股份有限公司 | Numerical control equipment processing information acquisition system and numerical control equipment processing information acquisition method |
| CN106371399B (en) * | 2016-11-17 | 2019-03-29 | 瑞鹄汽车模具股份有限公司 | A kind of numerical control device machining information acquisition system and method |
| CN107330994A (en) * | 2017-06-30 | 2017-11-07 | 联想(北京)有限公司 | The switching instant acquisition methods and electronic equipment of running status |
| CN107884635A (en) * | 2017-09-21 | 2018-04-06 | 北京机械设备研究所 | A kind of Current Mutual Inductance wireless timer and clocking method |
| CN115356531A (en) * | 2022-08-04 | 2022-11-18 | 广东中设智控科技股份有限公司 | Light source power consumption calculation method, device and system based on light sensing device |
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Open date: 20110112 |