CN104483893B - Lathe long-distance monitorng device and system - Google Patents
Lathe long-distance monitorng device and system Download PDFInfo
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- CN104483893B CN104483893B CN201410599988.8A CN201410599988A CN104483893B CN 104483893 B CN104483893 B CN 104483893B CN 201410599988 A CN201410599988 A CN 201410599988A CN 104483893 B CN104483893 B CN 104483893B
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- 238000000034 method Methods 0.000 claims abstract description 32
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- 239000003990 capacitor Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 description 15
- 230000006872 improvement Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/414—Structure of the control system, e.g. common controller or multiprocessor systems, interface to servo, programmable interface controller
Abstract
The invention discloses a kind of lathe long-distance monitorng device, comprise level shifting circuit, flush bonding processor, wireless module and antenna, described level shifting circuit is used for the low level signal converted to by the high level signal that lathe exports in the manageable voltage range of described flush bonding processor; The low level signal that described flush bonding processor is used for obtaining after described level shifting circuit conversion identifies and processes, and the information after identification and process is sent to described wireless module; Described wireless module is used for wireless signal corresponding to the information after described flush bonding processor identification and process converting to; Described antenna is for launching the wireless signal of described correspondence.The present invention is also corresponding discloses a kind of lathe long distance control system.
Description
Technical field
The present invention relates to electronic equipment monitoring field, particularly relate to a kind of lathe long-distance monitorng device and comprise the lathe long distance control system of this lathe long-distance monitorng device.
Background technology
In the industrial production, lathe plays important role.How to improve mobility and the production efficiency of lathe, have vital effect to the benefit increasing factory.
At present a lot of lathe, particularly some old-fashioned mechanical machine tools, by the running status of output and lathe in the display screen display of lathe, can only not possess the function passing to computing machine in real time.Current most factory still adds up output and the state of each lathe by the staff at scene, manually import computing machine.The real-time property of artificial importing is poor, and easily makes mistakes.Managerial personnel long-rangely cannot understand operation conditions and the output of lathe in time, are unfavorable for the timely maintenance arranging the rational production schedule and lathe.Even lathe information can be transmitted in real time to the modern lathe of computing machine, owing to there being the lathe of number of different types in factory, because brand is different with machine tool type, inquiring about different conditions of machine tool needs to open different programs to check, is unfavorable for unified management.
Summary of the invention
The object of this invention is to provide a kind of lathe long-distance monitorng device and system, managerial personnel can be effectively made to understand outside the output of each lathe and the status information of lathe in real time long-range, can also effective compatible various different machine tool type, be convenient to dissimilar lathe and carry out unified management, enhance productivity.
The invention provides a kind of lathe long-distance monitorng device, comprise level shifting circuit, flush bonding processor, wireless module and antenna, wherein: described level shifting circuit is used for the low level signal converted to by the high level signal that lathe exports in the manageable voltage range of described flush bonding processor;
The low level signal that described flush bonding processor is used for obtaining after described level shifting circuit conversion identifies and processes, and the information after identification and process is sent to described wireless module;
Described wireless module is used for wireless signal corresponding to the information after described flush bonding processor identification and process converting to;
Described antenna is for launching the wireless signal of described correspondence.
As the improvement of technique scheme, described level shifting circuit comprises Schmidt trigger, the input end of described Schmidt trigger is successively by resistance R4, resistance R1 and diode D1 connection signal input end, described signal input part is for receiving described high level signal, and described resistance R4, resistance R1 and diode D1 connect; Connect supply voltage VCC respectively by pull-up resistor R2 between described resistance R4 and the tie point of resistance R1 and pass through resistance R3 ground connection; The output terminal of described Schmidt trigger is by resistance R6 connection signal output terminal, and described signal output part is for sending described low level signal; The output terminal of described Schmidt trigger also connects supply voltage VCC by pull-up resistor R5; The power end of described Schmidt trigger connects described supply voltage VCC, earth terminal ground connection.
As the improvement of technique scheme, also by filter capacitor C2 ground connection between described resistance R4 and the tie point of resistance R1.
As the improvement of technique scheme, the power end of described Schmidt trigger is also by filter capacitor C1 ground connection.
As the improvement of technique scheme, the resistance of described resistance R3 is much larger than the resistance of described resistance R2, and the resistance of described resistance R2 is much larger than the resistance of described resistance R1, and the resistance of described resistance R4 equals the resistance of described resistance R2.
As the improvement of technique scheme, described level shifting circuit has at least two interfaces to receive the described high level signal at least comprising conditions of machine tool information and machine output information.As the improvement of technique scheme, described wireless module includes but not limited to GPRS, CDMA, TDD/FDD-LTE wireless module.
As the improvement of technique scheme, described level shifting circuit is the described high level signal of 9 ~ 24v for the level range exported by lathe, is converted to the low level signal that the discernible level range of described processor is 1.8 ~ 5.5v.
The embodiment of the present invention additionally provides a kind of lathe long distance control system, comprises the lathe long-distance monitorng device as above described in arbitrary technical scheme and wirelessly communicates to obtain the remote server/remote terminal of described corresponding wireless signal with described lathe long-distance monitorng device.
Compared with prior art, lathe long-distance monitorng device disclosed by the invention and system have following beneficial effect: lathe long-distance monitorng device is by arranging level shifting circuit, the low level signal in the manageable voltage range of described flush bonding processor CPU is converted to the high level signal exported by lathe, thus make flush bonding processor CPU can process the level of the outside input signal of lathe arbitrarily, ensure the compatibility of lathe long-distance monitorng device.In addition, level shifting circuit uses 74HC3G14 Schmidt trigger as control chip, and it has, and input impedance is high, the feature of stabilizing output level, can the interference of effective filtering input signal.Except the filtering of control chip itself; this level shifting circuit external circuit also additionally adds electric capacity C1 and C2 and carries out filtering, the effective filtering ripple of input signal, ensures the smooth of output signal; there is duplicate protection, thus ensure the reliability of lathe long-distance monitorng device.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of lathe long-distance monitorng device in the embodiment of the present invention 1.
Fig. 2 is the circuit structure diagram of the level shifting circuit of a kind of lathe long-distance monitorng device in the embodiment of the present invention 2.
Fig. 3 is the circuit structure diagram of the level shifting circuit of a kind of lathe long-distance monitorng device in the embodiment of the present invention 3.
Fig. 4 is the structural representation of a kind of lathe long distance control system in the embodiment of the present invention 1.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
See Fig. 1, it is the structural representation of a kind of lathe long-distance monitorng device that the embodiment of the present invention provides.This lathe long-distance monitorng device 1 comprises level shifting circuit 11, flush bonding processor CPU 12, wireless module 13 and antenna 14, wherein: described level shifting circuit 11 converts the low level signal in the manageable voltage range of described flush bonding processor CPU 12 to for the high level signal exported by lathe.Information after identification and process for identifying the low level signal obtained after described level shifting circuit conversion and process, and is sent to described wireless module 13 by described flush bonding processor CPU 12.Described wireless module 13 is for converting corresponding wireless signal to by the information after described flush bonding processor CPU 12 identifies and processes.Described antenna 14 is for launching the wireless signal of described correspondence.
Wherein, described level shifting circuit has at least two interfaces to receive the high level signal at least comprising conditions of machine tool information and machine output information.The lathe that described level shifting circuit connects can be the lathe of any common type, and the level range exported to receive it is the high level signal of 9 ~ 24v.
The signal input part of described level shifting circuit 11 is connected with the high level signal output terminal of described lathe, for receiving the high level signal comprising conditions of machine tool information and machine output count information.When described level shifting circuit 11 adopts single channel interface to be connected with the high level signal output terminal of described lathe, the level shifting circuit 11 of the lathe long-distance monitorng device 1 of the present embodiment is connected with described lathe by serial communication mode, thus receives described conditions of machine tool information and machine output count information successively.When described level shifting circuit 11 adopts that at least dual-channel connection mouth is connected with the high level signal output terminal of described lathe, the level shifting circuit 11 of the lathe long-distance monitorng device 1 of the present embodiment is connected with described lathe by parallel communication fashion, thus can receive described conditions of machine tool information and machine output count information simultaneously.
The level shifting circuit 11 of the lathe long-distance monitorng device 1 of the present embodiment converts the low level signal in the manageable voltage range of described flush bonding processor CPU 12 to for the high level signal exported by lathe, the manageable voltage range of described flush bonding processor CPU 12 is generally 1.8 ~ 5.5v, therefore, the high level signal that level shifting circuit 11 is 9 ~ 24V for the level range exported by described lathe processes, to convert the low level signal that the manageable voltage range of described flush bonding processor CPU 12 is 1.8 ~ 5.5v to.Understandable, described level shifting circuit 11 is only the adjustment process carrying out voltage levels to the signal that described lathe exports, and can not change the flesh and blood information such as conditions of machine tool information and machine output count information in signal.
The signal output part of described level shifting circuit 11 connects in the signal input part of described flush bonding processor CPU 12, so that the low level signal after conversion is sent to described flush bonding processor CPU 12.After described flush bonding processor CPU 12 receives this low level signal, corresponding identification and process are carried out to conditions of machine tool information wherein and machine output count information, thus identify the current state of described lathe and the output calculating the current correspondence of lathe, and the result after identification and process is sent to described wireless module 13.
Described wireless module 13 receives the result that this flush bonding processor CPU 12 sends, and converts thereof into and can be linked into Internet by wireless public network, and be transferred to the wireless signal of long-range server/terminal.Concrete, this wireless module 13 includes but not limited to GPRS, CDMA, TDD/FDD-LTE wireless module.
Then, the wireless signal after conversion is directly launched by described antenna 14 by wireless module 13 described in this.
Visible, lathe long-distance monitorng device in the present embodiment is by arranging level shifting circuit, the low level signal in the manageable voltage range of described flush bonding processor CPU is converted to the high level signal exported by lathe, thus make flush bonding processor CPU can process the level of the outside input signal of lathe arbitrarily, ensure the compatibility of lathe long-distance monitorng device.
Embodiment 2
With reference to figure 2, it is the circuit structure diagram of embodiment of the present invention level shifting circuit.This circuit structure can be applied in the level shifting circuit of lathe long-distance monitorng device described in embodiment 1, thus realizes corresponding function.
In the present embodiment, described level shifting circuit 11 comprises Schmidt trigger U1, the input end (1A pin) of described Schmidt trigger U1 is successively by resistance R4, resistance R1 and diode D1 connection signal input end input, the high level signal (comprising conditions of machine tool information and machine output count information) that described signal input part input exports for receiving described lathe, and described resistance R4, resistance R1 and diode D1 connect.Supply voltage VCC is connected respectively by pull-up resistor R2, also by resistance R3 ground connection between described resistance R4 and the tie point of resistance R1 between described resistance R4 and the tie point of resistance R1.The output terminal (1Y pin) of described Schmidt trigger U1 is by resistance R6 connection signal output terminal output, and described signal output part output is for connecting the signal input part of the flush bonding processor CPU 12 of above-described embodiment 1.Described level shifting circuit 11t sends out the low level signal after conversion process to described flush bonding processor CPU 12 by described signal output part output.The output terminal (1Y pin) of described Schmidt trigger U1 also connects supply voltage VCC by pull-up resistor R5.The power end VCC of described Schmidt trigger U1 connects described supply voltage VCC, earth terminal GND ground connection.
Wherein, the Schmidt trigger of described Schmidt trigger U1 to be preferably model be 74HC3G14.And described diode D1 is preferably the diode that model is LL4148.
In addition, the resistance of described resistance R3 is much larger than the resistance of described resistance R2, and the resistance of described resistance R2 is much larger than the resistance of described resistance R1, and the resistance of described resistance R4 equals the resistance of described resistance R2.Such as, the resistance of desirable described resistance R3 is 100K, and the resistance of getting described resistance R2 and resistance R4 is 10K, and the resistance of getting described resistance R1 is 1K.But be not limited to this value.
During specific works, (input signal that namely the signal input part input of level shifting circuit 11 receives is high level to the lathe output high level signal connected when level shifting circuit 11, restriction input signal is high level higher than the voltage U A of the tie point equaling resistance R4 and resistance R1) time, the diode D1 of described level shifting circuit 11 ends when the input signal that signal input part input receives is high level, the level being input to the 1A pin of 74HC3G14 Schmidt trigger is like this equal of supply voltage VCC, thus that make the 1Y pin of 74HC3G14 Schmidt trigger export equally is also the equal of supply voltage VCC.(input signal that namely the signal input part input of level shifting circuit 11 receives is low level to the lathe output low level signal connected when level shifting circuit 11, restriction input signal is low level lower than the voltage U A of the tie point of resistance R4 and resistance R1) time, the diode D1 of described level shifting circuit 11 is when the input signal that signal input part input receives is low level, diode D1 conducting, such supply voltage VCC, resistance R2, the loop conducting that resistance R1 and diode D1 is formed, thus the voltage U A of the tie point of resistance R4 and resistance R1 is dragged down, the level being input to the 1A pin of 74HC3G14 Schmidt trigger like this drags down, thus make the also low level that the 1Y pin of 74HC3G14 Schmidt trigger exports.
Visible, by controlling the value of described supply voltage VCC, such as be less than 5.5v, the high level signal of the 9 ~ 24V namely exported by lathe by the level shifting circuit 11 of the present embodiment is converted to the low level signal that the manageable voltage range of flush bonding processor CPU 12 is 1.8 ~ 5.5v.
Visible, use the circuit structure of the level shifting circuit of the present embodiment, the high level signal that lathe exports can be converted to the low level signal in the manageable voltage range of described flush bonding processor CPU by lathe long-distance monitorng device, thus make flush bonding processor CPU can process the level of the outside input signal of lathe arbitrarily, ensure the compatibility of lathe long-distance monitorng device.
In addition, the Schmidt trigger of the Schmidt trigger U1 of the present embodiment selects to be model be 74HC3G14, it has, and input impedance is high, the feature of stabilizing output level, can the interference of effective filtering input signal, thus ensures the monitoring reliability of lathe long-distance monitorng device.
Embodiment 3
With reference to figure 3, it is the circuit structure diagram of embodiment of the present invention level shifting circuit.This circuit structure can be applied in the level shifting circuit of lathe long-distance monitorng device described in embodiment 1, thus realizes corresponding function.
In the present embodiment, described level shifting circuit 11 is basically identical with the circuit structure of the level shifting circuit 11 of embodiment 2, unlike, the power end VCC of the 74HC3G14 Schmidt trigger of the level shifting circuit 11 of the present embodiment passes through filter capacitor C1 ground connection with filtering, and between described resistance R4 and the tie point of resistance R1, also passes through filter capacitor C2 ground connection with filtering.
Visible, use the circuit structure of the level shifting circuit of the present embodiment, the high level signal that lathe exports can be converted to the low level signal in the manageable voltage range of described flush bonding processor CPU by lathe long-distance monitorng device, thus make flush bonding processor CPU can process the level of the outside input signal of lathe arbitrarily, ensure the compatibility of lathe long-distance monitorng device.
In addition; the Schmidt trigger of the Schmidt trigger U1 of the present embodiment selects to be model be 74HC3G14; it has, and input impedance is high, the feature of stabilizing output level; can the interference of effective filtering input signal; except the filtering of Schmidt trigger U1 itself; level shifting circuit also add electric capacity C1 and electric capacity C2 carries out filtering; the effective filtering ripple of input signal; ensure the smooth of output signal; there is duplicate protection, thus ensure the monitoring reliability of lathe long-distance monitorng device further.
Embodiment 4
With reference to figure 4, it is the structural representation of a kind of lathe long distance control system 100 that the present embodiment provides.This lathe long distance control system 100 comprises the lathe long-distance monitorng device 1 described in embodiment 1 and wirelessly communicates to obtain the remote server/remote terminal 2 of described corresponding wireless signal with described lathe long-distance monitorng device 1.Wherein, the level shifting circuit in described lathe long-distance monitorng device 1 preferably can adopt the particular circuit configurations of embodiment 2 or embodiment 3.
The lathe long distance control system 100 of the present embodiment by lathe long-distance monitorng device 1 obtain that any lathe exports comprise the signal of conditions of machine tool information and machine output count information time, after this signal carries out identifying and process, wirelessly the monitored results identified and process out is sent to long-range server/terminal 2.Especially, when the signal comprising conditions of machine tool information and machine output count information that lathe exports is high level signal, after the high level signal received first is converted into the manageable low level signal of CPU by described lathe long-distance monitorng device 1, just undertaken identifying and processing by CPU, thus the level of the work of CPU not by the input signal of outside lathe is affected (namely can process the signal that any type lathe exports), ensure reliability and the compatibility of lathe long distance control system 100.
In sum, lathe long-distance monitorng device disclosed by the invention and system have following beneficial effect: lathe long-distance monitorng device is by arranging level shifting circuit, the low level signal in the manageable voltage range of described flush bonding processor CPU is converted to the high level signal exported by lathe, thus make flush bonding processor CPU can process the level of the outside input signal of lathe arbitrarily, ensure the compatibility of lathe long-distance monitorng device.In addition, level shifting circuit uses 74HC3G14 Schmidt trigger as control chip, and it has, and input impedance is high, the feature of stabilizing output level, can the interference of effective filtering input signal.Except the filtering of control chip itself; this level shifting circuit external circuit also additionally adds electric capacity C1 and C2 and carries out filtering, the effective filtering ripple of input signal, ensures the smooth of output signal; there is duplicate protection, thus ensure the reliability of lathe long-distance monitorng device.In addition, after using lathe long-distance monitorng device of the present invention and system, managerial personnel can understand running status and the product quantity of each lathe at any time anywhere in time, be convenient to reasonably adjust the resources of production, arrange rational production scheduling, the exception of Timeliness coverage equipment simultaneously, the personnel of notice safeguard, improve the mobility of equipment.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (9)
1. a lathe long-distance monitorng device, is characterized in that, comprises level shifting circuit, processor, wireless module and antenna, wherein:
Described level shifting circuit is used for the low level signal converted to by the high level signal that lathe exports in the manageable voltage range of described processor;
The low level signal that described processor is used for obtaining after described level shifting circuit conversion identifies and processes, and the information after identification and process is sent to described wireless module;
Described wireless module is used for wireless signal corresponding to the information after described processor identification and process converting to;
Described antenna is for launching the wireless signal of described correspondence;
Described level shifting circuit comprises Schmidt trigger; The input end of described Schmidt trigger is successively by resistance R4, resistance R1 and diode D1 connection signal input end; Described signal input part is for receiving described high level signal, and described resistance R4, resistance R1 and diode D1 connect; The output terminal of described Schmidt trigger is by resistance R6 connection signal output terminal, and described signal output part is for sending described low level signal.
2. lathe long-distance monitorng device as claimed in claim 1, is characterized in that, connects supply voltage VCC and pass through resistance R3 ground connection between described resistance R4 and the tie point of resistance R1 respectively by pull-up resistor R2; The output terminal of described Schmidt trigger also connects supply voltage VCC by pull-up resistor R5; The power end of described Schmidt trigger connects described supply voltage VCC, earth terminal ground connection.
3. lathe long-distance monitorng device as claimed in claim 2, is characterized in that, also by filter capacitor C2 ground connection between described resistance R4 and the tie point of resistance R1.
4. lathe long-distance monitorng device as claimed in claim 1, is characterized in that, the power end of described Schmidt trigger is also by filter capacitor C1 ground connection.
5. lathe long-distance monitorng device as claimed in claim 2, it is characterized in that, the resistance of described resistance R3 is much larger than the resistance of described resistance R2, and the resistance of described resistance R2 is much larger than the resistance of described resistance R1, and the resistance of described resistance R4 equals the resistance of described resistance R2.
6. lathe long-distance monitorng device as claimed in claim 1, is characterized in that, described level shifting circuit has at least two interfaces to receive the described high level signal at least comprising conditions of machine tool information and machine output information.
7. lathe long-distance monitorng device as claimed in claim 1, it is characterized in that, described wireless module includes but not limited to GPRS, CDMA, TDD/FDD-LTE wireless module.
8. lathe long-distance monitorng device as claimed in claim 1, it is characterized in that, described level shifting circuit is the described high level signal of 9 ~ 24v for the level range exported by lathe, is converted to the low level signal that the discernible level range of described processor is 1.8 ~ 5.5v.
9. a lathe long distance control system, comprise lathe long-distance monitorng device according to any one of claim 1 ~ 8 and with as described in lathe long-distance monitorng device wirelessly communicate to obtain as described in the remote server/remote terminal of corresponding wireless signal.
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| CN107634979A (en) * | 2016-07-19 | 2018-01-26 | 北京发那科机电有限公司 | A kind of transmission method and device of computer digital control machine tool data |
| CN107015528B (en) * | 2017-05-13 | 2019-03-19 | 合肥鼎鑫模具有限公司 | A kind of remote controlled CNC system of mold production |
| CN110286647A (en) * | 2019-07-04 | 2019-09-27 | 武汉般若易修工业技术服务有限公司 | The method for calculating lathe mobility based on OPC technology |
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| CN101403905A (en) * | 2008-10-29 | 2009-04-08 | 深圳东洋旺和实业有限公司 | Data acquisition system of machine tool |
| CN103454970A (en) * | 2013-08-09 | 2013-12-18 | 上海理工大学 | Remote monitoring system of numerically-controlled machine tool |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 516200 Ganpo section, Zhenlong Town, Huiyang District, Huizhou City, Guangdong Province Patentee after: Guangdong Haowei Electronics Co.,Ltd. Country or region after: China Address before: 516227 Haowei Electronic Technology (Huizhou) Co., Ltd. in Ganpi District, Zhenlong Town, Huiyang District, Huizhou City, Guangdong Province Patentee before: HOWWEIH TECHNOLOGY (HZ) Co.,Ltd. Country or region before: China |