CN115343549A - Fault signal monitoring device and monitoring method for numerical control machine tool - Google Patents
Fault signal monitoring device and monitoring method for numerical control machine tool Download PDFInfo
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- CN115343549A CN115343549A CN202210739631.XA CN202210739631A CN115343549A CN 115343549 A CN115343549 A CN 115343549A CN 202210739631 A CN202210739631 A CN 202210739631A CN 115343549 A CN115343549 A CN 115343549A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000012806 monitoring device Methods 0.000 title claims abstract description 19
- 230000035939 shock Effects 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 39
- 230000010355 oscillation Effects 0.000 claims description 33
- 239000013078 crystal Substances 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims 1
- 230000015654 memory Effects 0.000 description 17
- 230000006870 function Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000004590 computer program Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 101000597770 Homo sapiens Tropomodulin-1 Proteins 0.000 description 1
- 102100035291 Tropomodulin-1 Human genes 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K23/00—Pulse counters comprising counting chains; Frequency dividers comprising counting chains
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Abstract
The invention discloses a device and a method for monitoring fault signals of a numerical control machine tool, and belongs to the technical field of machine tool fault signal monitoring. The numerical control machine tool fault signal monitoring device comprises a single chip microcomputer, a digital display unit, a shock circuit and a single chip microcomputer reset circuit, wherein the shock circuit and the single chip microcomputer reset circuit are both connected with the input end of the single chip microcomputer, and the digital display unit is connected with the output end of the single chip microcomputer. The invention is small and exquisite, is integrated on a circuit board, can directly connect the fault signal to be measured into a fixed pulse access point when in use, then can observe whether a nixie tube displays or not, can be watched without people, does not leak the fault signal, is convenient to operate, is convenient to carry, can monitor accurately and quickly, perfectly solves the problems that the fault signal disappears too quickly and the fault signal appears too long and cannot be captured, further solves the problems quickly, improves the equipment mobility and saves the time cost of enterprises.
Description
Technical Field
The invention relates to a device and a method for monitoring fault signals of a numerical control machine tool, and belongs to the technical field of machine tool fault signal monitoring.
Background
In the daily maintenance work of the numerical control machine tool, some fault signals are frequently subjected to flashing and vanishing and fault signals which do not appear for a long time at random, the equipment does not embody a fault source, the condition brings great difficulty to the analysis of maintenance personnel, the maintenance progress is seriously influenced, and the equipment mobility is influenced.
Some fault signals appear and disappear fast in the numerical control machine tool maintenance process, can not catch with the naked eye, some fault signals that can appear for a long time also can not observe, and current fault monitoring method all needs large-scale instrument to intervene, needs many people to carry during the use, moves to corresponding lathe department, and is very inconvenient, and monitoring efficiency is low.
Disclosure of Invention
The invention provides a fault signal monitoring device and a fault signal monitoring method for a numerical control machine tool, which are built through a series of small electronic devices and are used for solving the problems in the prior art.
The utility model provides a digit control machine tool fault signal monitoring devices, digit control machine tool fault signal monitoring devices includes singlechip, digital display element, shake circuit and singlechip reset circuit, and shake circuit and singlechip reset circuit all are connected with the input of singlechip, and digital display element is connected with the output of singlechip.
Further, the circuit that shakes includes oscillation circuit and crystal oscillator X1, and the oscillation circuit includes oscillation capacitor C2 and oscillation capacitor C3, and the XTAL1 pin and the XTAL2 pin of singlechip are connected respectively to oscillation capacitor C2's one end and oscillation capacitor C3's one end, and oscillation capacitor C2's one end and oscillation capacitor C3's one end are connected respectively to crystal oscillator X1's both ends, and oscillation capacitor C2 and oscillation capacitor C3's the other end ground connection.
Further, the shock circuit is used for monitoring the fault pulse.
Further, singlechip reset circuit includes electric capacity C1, resistance R1, pulse access point and electric capacity C4, and the RST pin of singlechip is all connected with electric capacity C1 and resistance R1's one end, and the other end ground connection of electric capacity C1, pulse access point, electric capacity C4, and P1 pin is connected to pulse access point and electric capacity C4's one end.
Further, a capacitor C4 is used to filter the pulse access points.
Further, the P1 pin includes a plurality of sub-pins, each of which is used for connecting to a pulse access point.
A numerical control machine tool fault signal monitoring method is based on the numerical control machine tool fault signal monitoring device, and comprises the following steps:
s100, accessing a fault signal to a pulse access point of a fault signal monitoring device of a numerical control machine;
s200, converting the voltage of the fault signal into the voltage required by the single chip microcomputer, and further triggering the single chip microcomputer;
s300, the single chip microcomputer displays the monitored pulse number on the digital display unit, and an operator finds a corresponding fault source according to the pulse number.
Further, before S100, the method further includes the following steps:
s000, setting a fault source and a comparison table of pulse numbers.
Further, in S300, the method specifically includes the following steps:
s310, when a pulse is monitored, the single chip microcomputer automatically adds 1, and the counting is updated on the digital display unit in real time;
and S320, when the sum is all1, if a pulse is input, enabling a counter in the single chip microcomputer to return to zero, and overflowing to enable the corresponding interrupt mark position to be 1, and further sending an interrupt request.
Further, after S320, the method further includes the following steps:
s330, the digital display unit continuously displays the current count for a period of time after the count is not changed any more.
The invention has the beneficial effects that:
1. the monitoring device can be connected to a multi-voltage signal source and used for monitoring.
2. The applicability is wide, and the root cause of the fault can be judged timely and effectively.
3. The device perfectly solves the problems that the fault signal disappears too fast and the appearance period is too long and cannot be captured, so that the problems are solved quickly, the equipment mobility is improved, and the time cost of an enterprise is saved.
4. The device is small, exquisite, convenient to carry, convenient to operate, and accurate and quick in monitoring.
Drawings
Fig. 1 is a schematic structural diagram of a fault signal monitoring device of a numerical control machine tool according to the present invention;
fig. 2 is a working schematic diagram of a fault signal monitoring device and a monitoring method of a numerical control machine tool according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
The invention provides a fault signal monitoring device of a numerical control machine tool, which comprises a single chip microcomputer, a digital display unit, a shock circuit and a single chip microcomputer reset circuit, wherein the shock circuit and the single chip microcomputer reset circuit are both connected with the input end of the single chip microcomputer, and the digital display unit is connected with the output end of the single chip microcomputer.
Specifically, when a fault signal to be measured exists, the fault signal is firstly connected into the fault signal monitoring device of the numerical control machine tool, the fault voltage signal monitoring device can be connected into different types of fault voltage signals, then different multi-voltage fault signal sources are converted into voltages required by the single chip microcomputer, the single chip microcomputer is further triggered, and the state is stored and displayed on the digital display unit.
The second embodiment is that the oscillation starting circuit comprises an oscillation circuit and a crystal oscillator X1, the oscillation circuit comprises an oscillation capacitor C2 and an oscillation capacitor C3, one end of the oscillation capacitor C2 and one end of the oscillation capacitor C3 are respectively connected with an XTAL1 pin and an XTAL2 pin of the single chip microcomputer, two ends of the crystal oscillator X1 are respectively connected with one end of the oscillation capacitor C2 and one end of the oscillation capacitor C3, and the other ends of the oscillation capacitor C2 and the oscillation capacitor C3 are grounded.
And the third embodiment is a seismic circuit used for monitoring fault pulses.
Specifically, the shock circuit converts the dc power of the power supply into an ac signal of a certain frequency. The function is to generate alternating current oscillation as a signal source. The vibration circuit can be an LC loop, an RC loop or a crystal oscillator. In the present embodiment, a crystal oscillator is employed. On the single chip microcomputer, XTALl1 is an input end of the on-chip oscillation circuit, and XTALl2 is an output end of the on-chip oscillation circuit. In this embodiment, an on-chip clock oscillation mode is adopted.
The fourth embodiment of the invention provides that the singlechip reset circuit comprises a capacitor C1, a resistor R1, a pulse access point and a capacitor C4, wherein one ends of the capacitor C1 and the resistor R1 are connected with the RST pin of the singlechip, the other ends of the capacitor C1, the pulse access point and the capacitor C4 are grounded, and one ends of the pulse access point and the capacitor C4 are connected with the P1 pin.
Embodiment five, capacitor C4 is used to filter the pulse access points.
Specifically, the basic functions of the reset circuit of the single chip microcomputer are as follows: and providing a reset signal when the system is powered on, and canceling the reset signal until the system power supply is stable. For reliability, the reset signal is canceled after the power supply is stabilized, so as to prevent the reset from being influenced by jitter caused in the opening and closing process of the power switch or the power plug.
Embodiment six, the P1 pin includes a plurality of sub-pins, each sub-pin for connecting to a pulse access point.
The seventh embodiment provides a method for monitoring a fault signal of a numerical control machine tool, which is based on the device for monitoring a fault signal of a numerical control machine tool, and comprises the following steps:
s100, accessing a fault signal to a pulse access point of a fault signal monitoring device of a numerical control machine tool;
s200, converting the voltage of the fault signal into the voltage required by the single chip microcomputer, and further triggering the single chip microcomputer;
s300, the single chip microcomputer displays the monitored pulse number on the digital display unit, and an operator finds a corresponding fault source according to the pulse number.
In an eighth embodiment, before S100, the method further includes the following steps:
s000, setting a fault source and a pulse number comparison table.
In step S300, the ninth embodiment specifically includes the following steps:
s310, when monitoring a pulse, the single chip microcomputer automatically adds 1, and updates the count on the digital display unit in real time;
and S320, when the sum is all1, if a pulse is input, enabling a counter in the single chip microcomputer to return to zero, and overflowing to enable the corresponding interrupt mark position to be 1, and further sending an interrupt request.
Tenth embodiment, after S320, further includes the following steps:
s330, the digital display unit continuously displays the current count for a period of time after the count is not changed any more.
Specifically, the working principle is as shown in fig. 2: the high-order 8-bit register THx and the low-order 8-bit register TLx in the singlechip are utilized to form the circuit. TMOD is a working mode register, and determines a working mode and a function; TCON is a control register that controls the start and stop of T0, T1 and sets the overflow flag.
It adds 1 by itself with the input pulse of fault signal, that is, every pulse, the single chip computer adds 1 automatically, when adding to all1, another pulse is input to make the counter return to zero, and overflow to make the corresponding interrupt mark position 1, and then send out interrupt request.
The device is small and exquisite, is integrated on a circuit board, can directly connect the fault signal to be detected into the fixed signal processor input area when in use, then can observe whether the nixie tube displays, can be watched by people all the time without leakage of the fault signal, is convenient to operate, convenient to carry, accurate and quick in monitoring, perfectly solves the problems that the fault signal disappears too fast and the occurrence period is too long and cannot be captured, further solves the problems quickly, improves the equipment mobility and saves the time cost of enterprises.
The memory in the embodiments of the present application may be either volatile memory or nonvolatile memory, or may include both volatile and nonvolatile memory. The non-volatile memory may be a Read Only Memory (ROM), a Programmable ROM (PROM), an Erasable PROM (EPROM), an electrically Erasable EPROM (EEPROM), or a flash memory. Volatile memory can be Random Access Memory (RAM), which acts as external cache memory. By way of example, but not limitation, many forms of RAM are available, such as Static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), synchronous Dynamic Random Access Memory (SDRAM), double data rate SDRAM, enhanced SDRAM, SLDRAM, synchronous Link DRAM (SLDRAM), and direct rambus RAM (DR RAM). It should be noted that the memories of the methods described herein are intended to comprise, without being limited to, these and any other suitable types of memories.
In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the application to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored on a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website, computer, server, or data center to another website, computer, server, or data center via wire (e.g., coaxial cable, fiber optic, digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that includes one or more available media. The usable medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a Digital Video Disk (DVD)), or a semiconductor medium (e.g., a Solid State Disk (SSD)), among others.
In implementation, the steps of the above method may be performed by integrated logic circuits of hardware in a processor or instructions in the form of software. The steps of a method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware processor, or may be implemented by a combination of hardware and software modules in a processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor. To avoid repetition, it is not described in detail here.
It should be noted that the processor in the embodiments of the present application may be an integrated circuit chip having signal processing capabilities. In implementation, the steps of the above method embodiments may be performed by integrated logic circuits of hardware in a processor or by instructions in the form of software. The processor described above may be a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components. The various methods, steps, and logic blocks disclosed in the embodiments of the present application may be implemented or performed. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in connection with the embodiments of the present application may be directly implemented by a hardware decoding processor, or implemented by a combination of hardware and software modules in the decoding processor. The software module may be located in ram, flash memory, rom, prom, or eprom, registers, etc. storage media as is well known in the art. The storage medium is located in a memory, and a processor reads information in the memory and completes the steps of the method in combination with hardware of the processor.
Claims (10)
1. The utility model provides a digit control machine tool fault signal monitoring devices, its characterized in that, digit control machine tool fault signal monitoring devices includes singlechip, digital display element, shake circuit and singlechip reset circuit all with the input of singlechip is connected, digital display element with the output of singlechip is connected.
2. The device for monitoring the fault signals of the numerical control machine tool according to claim 1, wherein the vibration circuit comprises a vibration circuit and a crystal oscillator X1, the vibration circuit comprises an oscillation capacitor C2 and an oscillation capacitor C3, one end of the oscillation capacitor C2 and one end of the oscillation capacitor C3 are respectively connected with an XTAL1 pin and an XTAL2 pin of the single chip microcomputer, two ends of the crystal oscillator X1 are respectively connected with one end of the oscillation capacitor C2 and one end of the oscillation capacitor C3, and the other ends of the oscillation capacitor C2 and the oscillation capacitor C3 are grounded.
3. The device for monitoring the fault signal of the numerical control machine tool according to claim 2, wherein the shock circuit is used for monitoring fault pulses.
4. The device for monitoring the fault signals of the numerical control machine tool according to claim 1, wherein the single chip microcomputer reset circuit comprises a capacitor C1, a resistor R1, a pulse access point and a capacitor C4, one end of each of the capacitor C1 and the resistor R1 is connected to a RST pin of the single chip microcomputer, the other end of each of the capacitor C1, the pulse access point and the capacitor C4 is grounded, and one end of each of the pulse access point and the capacitor C4 is connected to a pin P1.
5. The device for monitoring fault signals of the numerical control machine tool as claimed in claim 4, wherein the capacitor C4 is used for filtering the pulse access point.
6. The device for monitoring fault signals of the numerical control machine tool according to claim 5, wherein the P1 pin comprises a plurality of sub-pins, and each sub-pin is used for connecting a pulse access point.
7. A fault signal monitoring method of a numerical control machine tool, which is based on the fault signal monitoring device of the numerical control machine tool as claimed in any one of claims 1 to 6, and is characterized in that the fault signal monitoring method of the numerical control machine tool comprises the following steps:
s100, accessing a fault signal to a pulse access point of the numerical control machine fault signal monitoring device;
s200, converting the voltage of the fault signal into the voltage required by the single chip microcomputer, and further triggering the single chip microcomputer;
s300, the single chip microcomputer displays the monitored pulse number on the digital display unit, and an operator finds a corresponding fault source according to the pulse number.
8. The method for monitoring the fault signal of the numerical control machine tool according to claim 7, characterized by further comprising the following steps before S100:
s000, setting a fault source and a comparison table of pulse numbers.
9. The method for monitoring the fault signal of the numerical control machine tool according to claim 8, wherein in S300, the method specifically comprises the following steps:
s310, when monitoring a pulse, the single chip microcomputer automatically adds 1, and updates the count on the digital display unit in real time;
and S320, when the sum is all1, if a pulse is input, enabling a counter in the single chip microcomputer to return to zero, and overflowing to enable the corresponding interrupt mark position to be 1, and further sending an interrupt request.
10. The method for monitoring fault signals of the numerical control machine tool according to claim 9, further comprising the following steps after S320:
s330, the digital display unit continuously displays the current count for a period of time after the count is not changed any more.
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| CN202210739631.XA CN115343549B (en) | 2022-06-28 | 2022-06-28 | Device and method for monitoring fault signals of numerical control machine tool |
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| CN202210739631.XA CN115343549B (en) | 2022-06-28 | 2022-06-28 | Device and method for monitoring fault signals of numerical control machine tool |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4471444A (en) * | 1982-04-02 | 1984-09-11 | The United States Of America As Represented By The Secretary Of Commerce | Rotating tool wear monitoring apparatus |
| US4658245A (en) * | 1983-04-29 | 1987-04-14 | The Warner & Swasey Company | Tool condition and failure monitoring apparatus and method |
| CN2211093Y (en) * | 1994-05-20 | 1995-10-25 | 彭振辉 | Automatic alarm networking device |
| CN101576393A (en) * | 2009-06-22 | 2009-11-11 | 哈尔滨工程大学 | Fault detecting device of ship-used log |
| CN103969582A (en) * | 2014-05-21 | 2014-08-06 | 中国化学工程第十一建设有限公司 | Phase sequence and steering measuring method and device for three-phase motor |
| CN206074681U (en) * | 2016-08-24 | 2017-04-05 | 南京铁道职业技术学院 | A kind of ZD6 goats current monitoring circuit |
| CN109947046A (en) * | 2019-04-17 | 2019-06-28 | 安阳工学院 | A kind of numerically-controlled machine tool intelligent monitor system based on Internet of Things |
| CN209118123U (en) * | 2018-11-05 | 2019-07-16 | 苏芯物联技术(南京)有限公司 | A kind of data control lathe health monitoring systems |
-
2022
- 2022-06-28 CN CN202210739631.XA patent/CN115343549B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4471444A (en) * | 1982-04-02 | 1984-09-11 | The United States Of America As Represented By The Secretary Of Commerce | Rotating tool wear monitoring apparatus |
| US4658245A (en) * | 1983-04-29 | 1987-04-14 | The Warner & Swasey Company | Tool condition and failure monitoring apparatus and method |
| CN2211093Y (en) * | 1994-05-20 | 1995-10-25 | 彭振辉 | Automatic alarm networking device |
| CN101576393A (en) * | 2009-06-22 | 2009-11-11 | 哈尔滨工程大学 | Fault detecting device of ship-used log |
| CN103969582A (en) * | 2014-05-21 | 2014-08-06 | 中国化学工程第十一建设有限公司 | Phase sequence and steering measuring method and device for three-phase motor |
| CN206074681U (en) * | 2016-08-24 | 2017-04-05 | 南京铁道职业技术学院 | A kind of ZD6 goats current monitoring circuit |
| CN209118123U (en) * | 2018-11-05 | 2019-07-16 | 苏芯物联技术(南京)有限公司 | A kind of data control lathe health monitoring systems |
| CN109947046A (en) * | 2019-04-17 | 2019-06-28 | 安阳工学院 | A kind of numerically-controlled machine tool intelligent monitor system based on Internet of Things |
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