CN105067031A - Multichannel numerical control machine tool energy consumption data acquisition bench - Google Patents
Multichannel numerical control machine tool energy consumption data acquisition bench Download PDFInfo
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- CN105067031A CN105067031A CN201510430478.2A CN201510430478A CN105067031A CN 105067031 A CN105067031 A CN 105067031A CN 201510430478 A CN201510430478 A CN 201510430478A CN 105067031 A CN105067031 A CN 105067031A
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Abstract
The invention relates to a multichannel numerical control machine tool energy consumption data acquisition bench, which comprises an LabVIEW acquisition module, an SERVO GUIDE acquisition module and an industrial PC, wherein the industrial PC is internally provided with the LabVIEW acquisition module and the SERVO GUIDE acquisition module and is connected with the LabVIEW acquisition module and the SERVO GUIDE acquisition module respectively; and the LabVIEW acquisition module and the SERVO GUIDE acquisition module are respectively connected with the numerical control machine tool. Compared with the prior art, the multichannel numerical control machine tool energy consumption data acquisition bench has the advantages of various data acquisition function modules, high sampling frequency, simple test bench building and use process, non disturbance, simple operation and the like.
Description
Technical field
The present invention relates to a kind of collection stand, especially relate to a kind of multi-channel digital control lathe energy consumption data acquisition stand.
Background technology
At present, be that the data acquisition of core and Control release stand are applied widely in machine tool field research with data acquisition module.But gather lathe energy consumption with existing domestic and international data acquisition stand and still there is certain deficiency:
(1) many data acquisition module function ratio are more single: the signal type that the collection product of many existing production gathers is more single, when analyzing lathe energy consumption, need to the total energy consumption of lathe, total voltage, electric current, main shaft energy consumption, main shaft voltage, spindle motor current, servo module energy consumption, servo module voltage, servo module electric current, the speed of mainshaft, the multiple signals such as main-shaft torque gather, existing equipment is mainly based on the acquisition system of Japan, its acquisition function is single, and a road signal can only be gathered, when the field condition being directed to Various Complex needs the physical quantity gathered, this acquisition system is just difficult to satisfy the demands.
(2) sample frequency is lower: for existing acquisition system, and its sample frequency is lower, and the collection for machine tool data has serious restriction, and the collection of lathe physical quantity characteristic is not expressed by can completely.
(3) experimental stand is built, use procedure is loaded down with trivial details, operation inconvenience: with regard to existing acquisition system, mainly for the collection of a certain signal, and its sensor wiring is difficult to meet the complicated circuit of lathe.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and the multi-channel digital control lathe energy consumption data acquisition stand that a kind of data acquisition function module is various, sample frequency is high, experimental stand is built, use procedure is simple, interference-free, simple to operate is provided.
Object of the present invention can be achieved through the following technical solutions:
A kind of multi-channel digital control lathe energy consumption data acquisition stand, this stand comprises LabVIEW acquisition module, SERVOGUIDE acquisition module and Industrial PC Computer, LabVIEW and SERVOGUIDE acquisition software is provided with in described Industrial PC Computer, and be connected with LabVIEW acquisition module and SERVOGUIDE acquisition module respectively, described LabVIEW acquisition module is connected with numerically-controlled machine respectively with SERVOGUIDE acquisition module;
When gathering numerically-controlled machine energy consumption data, the LabVIEW acquisition module be connected with numerically-controlled machine and SERVOGUIDE acquisition module gather power, voltage and current data when numerically-controlled machine runs simultaneously, and be sent to the enterprising row relax of Industrial PC Computer, the final energy consumption data obtaining numerically-controlled machine.
Power sensor, voltage sensor and current sensor that described LabVIEW acquisition module comprises NI data collecting card and is connected with NI data collecting card respectively, described power sensor, voltage sensor and current sensor are connected with the main shaft of numerically-controlled machine respectively, described power sensor is also connected with the servomotor of numerically-controlled machine and main shaft, and described NI data collecting card is connected with Industrial PC Computer.
Described SERVOGUIDE acquisition module comprises torque sensor and speed probe, and described torque sensor and speed probe are connected with the servomotor of Industrial PC Computer and numerically-controlled machine and main shaft respectively.
Described stand also comprises Switching Power Supply, described Switching Power Supply comprises 220 turns of 24V power supplys and 220 turns of 5V power supplys, 220 turns of described 24V power supplys are connected with power sensor, voltage sensor and current sensor respectively, and 220 turns of described 5V power supplys are connected with NI data collecting card.
Described NI data collecting card is USB6342 multifunctional data acquisition card, is connected with Industrial PC Computer by USB, which is provided with 9 data acquisition channels.
Described power sensor is phase three-wire three active power transmitter, its model is RS-P31-44DS5 power sensor, this chip comprises single-chip microcomputer and CS5460A chip, described CS5460A chip is the single phase bidirectional power/energy measuring IC chip with serial line interface, the pulse output frequencies of this chip is directly proportional to meritorious energy, and has high speed electric energy computing function.
Described Switching Power Supply also comprises power line filter, in order to limit the high frequency access arrangement in electrical network.
Described voltage sensor is RS-1331-44D1 voltage sensor, and described current sensor is JLB10YD2Y2 current sensor.
The sample frequency of described NI data collecting card is 1000Hz.
Compared with prior art, the present invention has the following advantages:
One, data acquisition function module is various: when analyzing lathe energy consumption, need to the total energy consumption of lathe, total voltage, electric current, main shaft energy consumption, main shaft voltage, spindle motor current, servo module energy consumption, servo module voltage, servo module electric current, the speed of mainshaft, the multiple signals such as main-shaft torque gather, but, existing equipment is mainly based on the acquisition system of Japan, its acquisition function is single, and a road signal can only be gathered, when the field condition being directed to Various Complex needs the physical quantity gathered, this acquisition system is just difficult to satisfy the demands, by comparison, acquisition system of the present invention contains nine passages (3 current channels, 3 voltage channels, 3 power channels), 9 road signals can be gathered simultaneously and gather in conjunction with LabVIEW and SERVOGUIDE, expand the data class of collection, accelerate picking rate, ensure that the quality of image data.
Two, sample frequency is high: for existing acquisition system, its sample frequency is lower, collection for machine tool data has serious restriction, the collection of lathe physical quantity characteristic is not expressed by can completely, by comparison, frequency acquisition of the present invention reaches 1000HZ, is the sample frequency of NI data collecting card, complete collection can go out the energy consumption characteristics of lathe.
Three, experimental stand is built, use procedure is simple: with regard to existing acquisition system, mainly for the collection of a certain signal, and its sensor wiring is difficult to meet the complicated circuit of lathe.
Four, interference-free, simple to operate: power sensor can integrate by the present invention, protection power sensor is not subject to external interference, also makes hardware connection simple to operate simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the connection circuit figure of NI capture card.
Fig. 3 is the wiring construction figure of traditional power sensor.
Fig. 4 is the wiring construction figure of power sensor of the present invention.
Wherein, 1, LabVIEW acquisition module, 11, NI data collecting card, 12, power sensor, 13, voltage sensor, 14, current sensor, 2, SERVOGUIDE acquisition module, 21, torque sensor, 22, speed probe, 3, Industrial PC Computer.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment:
As shown in Figure 1-2, a kind of hyperchannel lathe energy consumption data acquisition stand, this picking platform frame system hardware mainly comprises: LabVIEW acquisition module 1, SERVOGUIDE acquisition module 2 and Industrial PC Computer 3.LabVIEW acquisition module comprises NI data collecting card 11, power sensor 12, voltage sensor 13, current sensor 14, SERVOGUIDE acquisition module 2 comprise torque sensor 21 and speed probe 22.In addition, this stand also comprises power line filter, and 220V turns 24V Switching Power Supply and 220V turns 5V Switching Power Supply.
(2) design feature describes further
The X series NIUSB6342 multifunctional data acquisition card that NI data collecting card 11 adopts NI company to release, it directly can be connected with PC by USB interface, easy to use.
220V turns 24V Switching Power Supply for powering to power sensor 12.
220V turns 5V Switching Power Supply for powering to NI data collecting card 11.
Power sensor 12 is phase three-wire three (two-meter mode) active power transmitter, can measure the active power of three-phase three-wire system, is input as three-phase voltage and biphase current signal, exports as 0-10VDC voltage signal.This power transducer have employed single-chip microcomputer and special power chip, and precision is high, stable performance.
Power line filter designs for the feature of power port electromagnetic interference (EMI), is low general formula, can limit the high frequency access arrangement in electrical network, improves the vulnerability to jamming of equipment.
(3) principle of work
The present invention gathers stand and comprises two kinds of software systems, by signals such as two kinds of system harvesters bed energy consumptions.One is that NI data collecting card 11 coordinates LabVIEW system to gather, and another is that SERVOGUIDE system gathers.The signal that LabVIEW system mainly gathers is: power signal, voltage signal and current signal; The signal that SERVOGUIDE system mainly gathers is: the rotating speed of the speed of mainshaft and torque signal and servomotor and torque signal (X-axis, Y-axis, Z axis).
This collection stand adopts RS-P31-44DS5 power sensor to gather lathe general power, spindle power and servomotor power signal respectively; RS-1331-44D1 voltage sensor is adopted to gather voltage signal; JLB10YD2Y2 current sensor is adopted to gather current signal.When LabVIEW acquisition system and SERVOGUIDE systematic sampling complete and after carrying out data storage, utilize Matlab system to carry out data filtering and data synchronization processing, finally by statistical conversion, and make subsequent analysis.
The present invention is compared to traditional power sensor, i.e. electric current through type sensor, when gathering current signal, be that collected wire is penetrated sensor itself, power sensor must be linked together with wire, and its wiring diagram as shown in Figure 3.Gathered voltage U, V, W three-phase of power supply by Va, Vb, Vc, by the U circuitry phase in tested three-phase circuit is penetrated Ia mouth, W circuitry phase is penetrated Ic mouth and gather current signal.But because Machine Tool Circuit is complicated, and circuit compactness, during actual acquisition, be difficult to U, W phase electric wire in three-phase circuit to penetrate in power sensor electric current mouth, and sensor to receive the magnetic interference that three-phase alternating current sends serious.Therefore, present gantries is by changing the input port of current acquisition signal, and design the external power sensor mode of connection of a kind of current signal, be resent in power sensor with after current sensor collection separately by current signal, its line graph as shown in Figure 4.Advantage is, can put into case by integrated for power sensor, and protection power sensor is not subject to external interference, also makes hardware connection simple to operate simultaneously.Wherein, Ua, Ub, Uc circuit represents U, V, W phase circuit of three-phase supply respectively; Ia+, Ia-represent that U circuitry phase electric current is positive and negative; Ic+, Ic-represent that W circuitry phase electric current is positive and negative, and its power measurement mode is two meter technique.
Claims (9)
1. a multi-channel digital control lathe energy consumption data acquisition stand, it is characterized in that, this stand comprises LabVIEW acquisition module (1), SERVOGUIDE acquisition module (2) and Industrial PC Computer (3), LabVIEW and SERVOGUIDE acquisition software is provided with in described Industrial PC Computer (3), and be connected with LabVIEW acquisition module (1) and SERVOGUIDE acquisition module (2) respectively, described LabVIEW acquisition module (1) is connected with numerically-controlled machine respectively with SERVOGUIDE acquisition module (2);
When gathering numerically-controlled machine energy consumption data, the LabVIEW acquisition module (1) be connected with numerically-controlled machine and SERVOGUIDE acquisition module (2) gather power, voltage and current data when numerically-controlled machine runs simultaneously, and be sent to Industrial PC Computer (3) enterprising row relax, the final energy consumption data obtaining numerically-controlled machine.
2. a kind of multi-channel digital control lathe energy consumption data acquisition stand according to claim 1, it is characterized in that, the power sensor (12) that described LabVIEW acquisition module (1) comprises NI data collecting card (11) and is connected with NI data collecting card (11) respectively, voltage sensor (13) and current sensor (14), described power sensor (12), voltage sensor (13) is connected with the main shaft of numerically-controlled machine respectively with current sensor (14), described power sensor (12) is also connected with the servomotor of numerically-controlled machine and main shaft, described NI data collecting card (11) is connected with Industrial PC Computer (3).
3. a kind of multi-channel digital control lathe energy consumption data acquisition stand according to claim 1, it is characterized in that, described SERVOGUIDE acquisition module (2) comprises torque sensor (21) and speed probe (22), and described torque sensor (21) and speed probe (22) are connected with the servomotor of Industrial PC Computer (3) and numerically-controlled machine and main shaft respectively.
4. a kind of multi-channel digital control lathe energy consumption data acquisition stand according to claim 2, it is characterized in that, described stand also comprises Switching Power Supply, described Switching Power Supply comprises 220 turns of 24V power supplys and 220 turns of 5V power supplys, 220 turns of described 24V power supplys are connected with power sensor (12), voltage sensor (13) and current sensor (14) respectively, and 220 turns of described 5V power supplys are connected with NI data collecting card (11).
5. a kind of multi-channel digital control lathe energy consumption data acquisition stand according to claim 2, it is characterized in that, described NI data collecting card (11) is USB6342 multifunctional data acquisition card, is connected with Industrial PC Computer (3) by USB, which is provided with 9 data acquisition channels.
6. a kind of multi-channel digital control lathe energy consumption data acquisition stand according to claim 2, it is characterized in that, described power sensor (12) is phase three-wire three active power transmitter, and its model is RS-P31-44DS5 power sensor.
7. a kind of multi-channel digital control lathe energy consumption data acquisition stand according to claim 4, it is characterized in that, described Switching Power Supply also comprises power line filter, in order to limit the high frequency access arrangement in electrical network.
8. a kind of multi-channel digital control lathe energy consumption data acquisition stand according to claim 2, it is characterized in that, described voltage sensor (13) is RS-1331-44D1 voltage sensor, and described current sensor (14) is JLB10YD2Y2 current sensor.
9. a kind of multi-channel digital control lathe energy consumption data acquisition stand according to claim 2, it is characterized in that, the sample frequency of described NI data collecting card (11) is 1000Hz.
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| CN107577208A (en) * | 2017-10-20 | 2018-01-12 | 西北工业大学 | A kind of Digit Control Machine Tool energy consumption data device for testing and analyzing and method |
| CN108304659A (en) * | 2018-02-05 | 2018-07-20 | 哈尔滨工业大学 | A kind of Switching Power Supply testability analysis system and method based on LabVIEW platform |
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