CN101571453A - High-temperature automatic experiment detecting system for pressure-speed regulating device for crane - Google Patents
High-temperature automatic experiment detecting system for pressure-speed regulating device for crane Download PDFInfo
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- CN101571453A CN101571453A CNA2009100120854A CN200910012085A CN101571453A CN 101571453 A CN101571453 A CN 101571453A CN A2009100120854 A CNA2009100120854 A CN A2009100120854A CN 200910012085 A CN200910012085 A CN 200910012085A CN 101571453 A CN101571453 A CN 101571453A
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Abstract
The invention discloses a high-temperature automatic experiment detecting system for a pressure-speed regulating device for a crane, which is characterized by comprising a high-temperature experiment box, an automatic electrical control cabinet and an industrial control computer, wherein the high-temperature experiment box is used for placing the pressure-speed regulating device for the crane and simulating a high-temperature work environment of the crane. The automatic electrical control cabinet is used for performing logical control of loop detection on the pressure-speed regulating device for a plurality of cranes and acquiring each correlative parameter. The industrial control computer is used for monitoring the whole process and recording correlative detection data. The system simulates the high-temperature environment and greatly improves the detection efficiency and the accuracy through automatic control, monitoring and automatic recording of correlative data, thus the system is suitable for wide popularization in the field of high-temperature detection control of the pressure-speed regulating device for the cranes.
Description
Technical field
The present invention relates to a kind of pressure-speed regulating device for crane experiment detecting system, relate in particular under a kind of hot environment, controllable silicon life tests system in the pressure-speed regulating device for crane based on automatic control.
Background technology
Pressure-speed regulating device for crane is the key control unit of crane, especially has in the lifting industry under rugged surroundings such as metallurgy, harbour, mine extremely widely to use.Because the core component of pressure-speed regulating device is a controllable silicon, and the physical characteristics of controllable silicon self material causes it easily impaired in production and installation process, and then the controllable silicon life-span that causes reduces even damage.Thereby influence the operation even the production safety of whole crane.Reliability test experience before for this reason needing the pressure-speed regulating device after producing dispatched from the factory.Pressure-speed regulating device dispatches from the factory to detect and is mainly following traditional detection method at present:
Normal temperature environment energising experiment down: testing process is simple, cost is low.But because pressure-speed regulating device often works under the hot environment, high temperature will make controllable silicon produce the electron drift phenomenon, electronic component performance is produced very big influence, therefore under normal temperature environment, test, can't detect correlation parameter under the hot environment, can't carry out reliability and detect, can't guarantee so outgoing is checked on.
Said method is manually-operated simultaneously, has workload numerous and diverse before detecting with in the testing process, and required detection data are various.Because self energy of people is limit, easy poor omission correlation parameter, and produce high voltage and current in the pressure-speed regulating device test process, manual detection causes significant damage to personal safety easily.
Summary of the invention
The present invention is directed to the proposition of above problem, and develop a kind of can the simulated field hot environment under, pressure-speed regulating device for crane is carried out reliability testing, detect and write down the system of correlation parameter automatically.Its technology realizes that means are as follows:
A kind of high-temperature automatic experiment detecting system for pressure-speed regulating device for crane comprises: the adjustable frequency motor of controlling regulator cubicle, winding motors and band scrambler automatically; Described automatic control regulator cubicle is made of PLC, relay, contactor, voltage sensor, current sensor and frequency converter, its connected mode is: the output module of PLC links to each other with frequency converter with the coil of relay, the coil of contactor respectively, and the output terminal of described voltage sensor, current sensor, the auxiliary contact of relay, contactor auxiliary contact link to each other with the load module of PLC respectively again;
It is characterized in that this system also comprises: high temperature experimental box and industrial control computer, described pressure-speed regulating device is placed in the high temperature experimental box, it is connected with the main contactor of controlling in the regulator cubicle automatically by lead through the hole that is provided with on the high temperature experimental box, it is connected with current sensor with the voltage sensor of controlling in the regulator cubicle automatically, in addition, the output terminal of pressure-speed regulating device links to each other with winding motors stator input end; Described winding motors links to each other by shaft coupling with the adjustable frequency motor of band scrambler; Wherein with the input end of the scrambler of the adjustable frequency motor of scrambler and motor stator own respectively with automatic control regulator cubicle in the frequency converter detection module link to each other with output terminal; Described frequency converter is connected to receive the frequency variation signal that PLC sends with PLC, also is connected with industrial control computer simultaneously; Described PLC also is connected with industrial control computer, is used for detecting data and receiving the steering order that industrial control computer sends to the industrial control computer transmission.
This system also comprises band touch screen operation platform and printer;
Described band touch screen operation platform is used for whole process flow is controlled and monitored;
Described printer is used for the monitoring of marker's process flow and the relative recording of parameter;
One of them the DP interface of PLC in described band touch screen operation platform and the automatic control regulator cubicle links to each other; Described printer is connected with industrial control computer with band touch screen operation platform by netting twine.
The invention provides a kind of system that under hot environment, pressure-speed regulating device for crane is carried out the reliability detection, in test process, in order to simulate test product work on the spot situation, we have introduced the high temperature experimental box, guaranteed that institute's test result and actual condition match, under work is hot, test, promptly in real time test product is detected, well reflected actual conditions, under the hot environment pressure-speed regulating device for crane has been carried out reliability and detect this key issue thereby successfully solved.This system operation is easy, has improved testing efficiency, has reduced labour intensity and has improved the personal safety degree, and also having reduced the people simultaneously is the unreliable factor that causes, and has guaranteed the precision of test.In sum, this system has following characteristics:
(1) native system is introduced the high temperature experimental box, can well simulate the work on the spot situation of pressure-speed regulating device for crane, has guaranteed that testing result and actual condition match
(2) adopt PLC as the control main body, can finish control and measuring ability reliably automatically.
(3) use frequency converter to drive metallurgical variable-frequency motor, can simulate the load under the different situations flexibly.
(4) data that can will gather in real time by industrial control computer are stored so that later analysis.
Description of drawings
The present invention has 3 width of cloth accompanying drawings:
System's connection layout of Fig. 1 embodiments of the invention;
The high temperature experimental box connection layout of Fig. 2 embodiments of the invention;
The automatic control regulator cubicle connection layout of Fig. 3 embodiments of the invention.
Embodiment
As shown in Figure 1, high-temperature automatic experiment detecting system for pressure-speed regulating device for crane: it comprises the high temperature experimental box, automatically control regulator cubicle, printer, band touch screen operation platform TP, industrial control computer A, winding motors (controlled device winding motors in the present embodiment, that adopt is the metallurgical winding motors YZR that use) and the metallurgy usefulness adjustable frequency motor YZP that is with scrambler (in the present embodiment as the adjustable frequency motor of the band scrambler of load and speed detection unit, that adopt is the metallurgy adjustable frequency motor YZP of band scrambler), its connected mode: control automatically regulator cubicle respectively with industrial control computer, touch-screen, the high temperature experimental box links to each other with adjustable frequency motor YZP with the metallurgy of band scrambler; The high temperature experimental box links to each other with winding motors YZR with metallurgy, the metallurgical winding motors YZR that uses links to each other by shaft coupling with adjustable frequency motor YZP with metallurgy, printer links to each other with industrial control computer A, and wherein industrial control computer A here uses as host computer.
Wherein control regulator cubicle automatically as shown in Figure 3: comprise PLC, each relay K, each contactor KM, voltage, current sensor unit T and frequency converter U, its connected mode is: the output module of PLC links to each other with frequency converter U with the coil of relay K, the coil of contactor KM respectively; The output terminal of voltage, current sensor unit T, the auxiliary contact of relay K, contactor KM auxiliary contact link to each other with the load module of PLC respectively again; One of them the DP interface of PLC in band touch screen operation platform TP and the automatic control regulator cubicle links to each other; Frequency converter links to each other with the another one DP interface of PLC, and industrial control computer A then links to each other with a DP port on the frequency converter U, realizes the connection of industrial control computer A with PLC; The high temperature experimental box respectively with automatic control regulator cubicle in main contactor KM, metallurgical link to each other with winding motors YZR stator input end; Metallurgical scrambler with adjustable frequency motor YZP and the stator input end of motor own link to each other with output terminal with the detection module of the frequency converter U of automatic control regulator cubicle respectively.
Be the work on the spot situation of simulation test product, we put into the high temperature experimental box with BDCH25A380B type crane pressure-speed regulating device.High temperature experimental box connection layout as shown in Figure 2, (as: it is set to the relative working temperature of pressure-speed regulating device higher the time to adjust temperature in the high-temperature test chamber, + 60 ℃), on the high-temperature control case, have hole, introduce three-phase 380V power lead, gear control signal wire and pressure-speed regulating device voltage (or electric current) output line and use to pressure-speed regulating device.Thereby make device can in the high temperature experimental box, carry out work.After enabled instruction is assigned, PLC will assign instruction according to logic according to the setting (that is: tested device type and device position, place) before starting, make test product under the AC380V driving voltage, export different voltages with winding motors YZR to metallurgy, so that it runs on friction speed, frequency converter then drives metallurgical load with the different moments of adjustable frequency motor YZP motor simulation (during as the test jack up unit, frequency converter drives metallurgical with adjustable frequency motor YZP simulated gravity, and promptly the moment direction is all the time to a direction.During the test translating device, frequency converter drives metallurgy and simulates the translation mechanism friction force that runs in service with adjustable frequency motor YZP, and promptly metallurgical moment direction with adjustable frequency motor YZP motor is opposite with the metallurgical winding motors YZR traffic direction of using.), thereby carry out reliability operation test.And utilize PLC, voltage, current sensor unit T, the correlation parameter of test product in the real-time collecting test process of frequency converter U and industrial control computer A, as output voltage, output current, rotating speed, finish until setting the test duration, simultaneously the data that transmit according to the logical action and the sensor of contactor of PLC detect whether operation exception of judgment means or regulator cubicle self, in case unusually will be according to realizing that the scheme of setting protect action; In test, the simulated field working environment carries out test product work test, in real time the correlation parameter of test product in the collecting test process under work is hot.Therefore can well guarantee the reliability of test product.Band touch screen operation platform TP is used for whole process flow is controlled and monitored, and wherein touch-screen can be realized operator's console button and main bar all functions and the real-time correlation parameter that detects that shows of making.
Overall workflow is as follows: the tester puts into the high temperature experimental box with pressure-speed regulating device earlier, set the temperature of high temperature experimental box, when the temperature in the high temperature experimental box reaches setting value, by given gear signal on industrial control computer, industrial control computer is delivered to PLC with the pressure-speed regulating device gear signal automatically, PLC outputs to relay with signal, by opening or closure of pilot relay, come control contactor to open or closure, thereby realize gear signal is delivered to pressure-speed regulating device.After pressure-speed regulating device is received gear signal, start working, the control motor rotates, by voltage transmitter and current transducer, the output voltage and the current signal of device work are delivered to PLC, PLC delivers to industrial control computer with this voltage and current signal again, and shows on display screen.
The above; only be the preferable embodiment of the present invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, all should be encompassed within protection scope of the present invention.
Claims (2)
1, a kind of high-temperature automatic experiment detecting system for pressure-speed regulating device for crane comprises: the adjustable frequency motor of controlling regulator cubicle, winding motors and band scrambler automatically; Described automatic control regulator cubicle is made of PLC, relay, contactor, voltage sensor, current sensor and frequency converter, its connected mode is: the output module of PLC links to each other with frequency converter with the coil of relay, the coil of contactor respectively, and the output terminal of described voltage sensor, current sensor, the auxiliary contact of relay, contactor auxiliary contact link to each other with the load module of PLC respectively again;
It is characterized in that this system also comprises: high temperature experimental box and industrial control computer, described pressure-speed regulating device is placed in the high temperature experimental box, it is connected with the main contactor of controlling in the regulator cubicle automatically by lead through the hole that is provided with on the high temperature experimental box, it is connected with current sensor with the voltage sensor of controlling in the regulator cubicle automatically, in addition, the output terminal of pressure-speed regulating device links to each other with winding motors stator input end; Described winding motors links to each other by shaft coupling with the adjustable frequency motor of band scrambler; Wherein with the input end of the scrambler of the adjustable frequency motor of scrambler and motor stator own respectively with automatic control regulator cubicle in the frequency converter detection module link to each other with output terminal; Described frequency converter is connected to receive the frequency variation signal that PLC sends with PLC, also is connected with industrial control computer simultaneously; Described PLC also is connected with industrial control computer, is used for detecting data and receiving the steering order that industrial control computer sends to the industrial control computer transmission.
2, a kind of high-temperature automatic experiment detecting system for pressure-speed regulating device for crane according to claim 1 is characterized in that this system also comprises band touch screen operation platform and printer;
Described band touch screen operation platform is used for whole process flow is controlled and monitored;
Described printer is used for the monitoring of marker's process flow and the relative recording of parameter;
One of them the DP interface of PLC in described band touch screen operation platform and the automatic control regulator cubicle links to each other; Described printer is connected with industrial control computer with band touch screen operation platform by netting twine.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100120854A CN101571453B (en) | 2009-06-16 | 2009-06-16 | High-temperature automatic experiment detecting system for pressure-speed regulating device for crane |
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| CN2009100120854A CN101571453B (en) | 2009-06-16 | 2009-06-16 | High-temperature automatic experiment detecting system for pressure-speed regulating device for crane |
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| CN101571453A true CN101571453A (en) | 2009-11-04 |
| CN101571453B CN101571453B (en) | 2011-07-06 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183370A (en) * | 2011-03-02 | 2011-09-14 | 深圳市浚海仪表设备有限公司 | Overspeed test bench for diesel |
| CN102681521A (en) * | 2012-06-13 | 2012-09-19 | 陕西科技大学 | Four-transmission-point-based papermaking machine transmission experimental apparatus |
-
2009
- 2009-06-16 CN CN2009100120854A patent/CN101571453B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102183370A (en) * | 2011-03-02 | 2011-09-14 | 深圳市浚海仪表设备有限公司 | Overspeed test bench for diesel |
| CN102183370B (en) * | 2011-03-02 | 2013-01-02 | 深圳市浚海仪表设备有限公司 | Overspeed test bench for diesel |
| CN102681521A (en) * | 2012-06-13 | 2012-09-19 | 陕西科技大学 | Four-transmission-point-based papermaking machine transmission experimental apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101571453B (en) | 2011-07-06 |
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