CN101941623A - Traction machine detection or diagnosis system - Google Patents
Traction machine detection or diagnosis system Download PDFInfo
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- CN101941623A CN101941623A CN2010102983574A CN201010298357A CN101941623A CN 101941623 A CN101941623 A CN 101941623A CN 2010102983574 A CN2010102983574 A CN 2010102983574A CN 201010298357 A CN201010298357 A CN 201010298357A CN 101941623 A CN101941623 A CN 101941623A
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Abstract
The invention provides a traction machine detection or diagnosis system, which comprises a sensor, a conditioning circuit, a data acquisition circuit and a controller which are sequentially connected. The sensor is used for detecting a status signal of the traction machine and transmitting the status signal to the conditioning circuit; the conditioning circuit is used for receiving the detected status signal and transmitting a switching signal which corresponds to the status signal to the data acquisition circuit; the data acquisition circuit is used for acquiring the switching signal and transmitting the acquired signal to the controller; and the controller is used for processing and displaying the status information of the traction machine. The traction machine detection or diagnosis system has the advantages of acquiring and processing the status signal of the traction machine, displaying the diagnosis result, specially detecting the status information of the traction machine, along with low cost and good monitoring effect.
Description
Technical field
The present invention relates to towing machine work monitoring technical field, particularly a kind of towing machine detects or diagnostic system.
Background technology
Elevator is modern society people work and the common tool of living as the important component part of national economy and life.Towing machine is called main frame again as the major part of traction elevator, is the source of the power of elevator, also is the critical component of elevator.The performance of towing machine is directly, significantly to the influence of elevator complete machine, be the performance of the towing machine speed that directly influences elevator, play indexs such as braking acceleration-deceleration, flat bed and the traveling comfort of taking, safety, reliability of operation, therefore, each towing machine to be dispatched from the factory is carried out strict test, and it all is necessary work that the towing machine of place in operation is carried out periodic inspection.
Traditional security monitoring is maintained as the master with the people, promptly observes the machine oil situation, or fault goes to safeguard after taking place again by the time.
At present, the elevator detecting instrument is based on whole elevator device on the market, and the measuring position is mainly in car.Domestic AETE elevator safety unit test instrument, AETE elevator acceleration test instrument and the DT-3/DT-4 elevator acceleration test instrument of mainly containing, external have EVA-625 vibration of elevator analysis system, EVA vibration analysis instrument and a LiftPC system.There is following technological deficiency in existing detector: at first, at the fault detection system of whole elevator, test position mainly is arranged among the car; Secondly, it is a proprietary system, and the secondary development of system is lower; Once more, existing tester its cost an arm and a leg, the cost height; At last, software interface hommization deficiency, is not easy to service personnel and operates at complicated operation.
Summary of the invention
In order to solve existing technical matters, the invention provides a kind of towing machine and detect or diagnostic system, it gathers the status signal of towing machine, and handles, and shows diagnostic result then, is exclusively used in the status information that detects towing machine, and cost is low, monitoring effect good.
The present invention solves existing technical matters, provides a kind of towing machine to detect or diagnostic system, and described towing machine detects or diagnostic system comprises sensor, modulate circuit, data acquisition circuit and the controller that is linked in sequence; Described sensor is used to detect the status signal of towing machine, and this status signal is sent to described modulate circuit; Described modulate circuit, be used to receive the status signal of detection and send with the corresponding change over signal of this status signal to data acquisition circuit; Described data acquisition circuit is used to gather change over signal, and acquired signal is sent to controller; Described controller is used to handle and show the status information of towing machine.
The present invention further improves as described below.
Described sensor comprises acceleration pick-up, temperature sensor, tachogen and current sensor.
Described acceleration pick-up is the IEPE acceleration pick-up; Described modulate circuit is described IEPE acceleration pick-up power supply.
Described change over signal is a voltage signal; Described modulate circuit converts detection signal to voltage signal, amplifies with filtering through signal to export data acquisition circuit later on to.
Described controller is compared the contrast signal of pre-stored in the acquired signal that receives and the described controller, judges that detected towing machine vibration vibrational state is normally or unusually.
Compared to prior art, the invention has the beneficial effects as follows: gather the status signal of towing machine, and handle, show diagnostic result then, be exclusively used in the status information that detects towing machine, cost is low, monitoring effect good.
The present invention solves existing technical matters, provides a kind of towing machine to detect or diagnotic method, and this method may further comprise the steps: the status signal of sensor towing machine, and this status signal is sent to modulate circuit; Described modulate circuit receiving condition signal, and change, then change over signal is sent to data acquisition circuit; Described data acquisition circuit is gathered change over signal, and this acquired signal is sent to controller; The status information of towing machine is handled and shown to described controller.
The present invention further improves as described below.
Described controller carries out time domain or frequency-domain analysis to acquired signal, and with described controller in the contrast signal of pre-stored compare, generate diagnosis report and show.
Described sensor is acceleration pick-up, temperature sensor, tachogen and current sensor.
Described controller carries out power spectrum, power density spectrum, wavelet transformation, cepstrum or Envelope Analysis to acquired signal, and with described controller in the contrast signal of pre-stored compare, generate diagnosis report and show.
Described controller carries out the analysis of nargin, kurtosis, peak value index, pulse index, peak value, mean effective value.
Compared to prior art, the invention has the beneficial effects as follows: gather the status signal of towing machine, and handle, show diagnostic result then, be exclusively used in the status information that detects towing machine, cost is low, monitoring effect good.Gather vibration signal, temperature signal, tach signal and current signal simultaneously, retrieve the towing machine state comprehensively and monitor and accurately diagnose dependent failure.
Description of drawings
Fig. 1 is the structural representation of towing machine detection of the present invention or diagnostic system.
Fig. 2 shows the structural representation of information for controller of the present invention.
The specific embodiment
The present invention is further described below in conjunction with description of drawings and the specific embodiment.
As depicted in figs. 1 and 2, a kind of towing machine detects or diagnostic system, and this towing machine detects or diagnostic system comprises sensor, modulate circuit 14, data acquisition circuit 15 and the controller that is linked in sequence; Sensor is used to detect the status signal of towing machine, and this status signal is sent to modulate circuit 14; Modulate circuit 14, be used to receive the status signal of detection and send with the corresponding change over signal of this status signal to data acquisition circuit 15; Data acquisition circuit 15 is used to gather change over signal, and acquired signal is sent to controller; Controller is used to handle and show the status information of towing machine, and this status information is the real-time Information Monitoring of towing machine, perhaps is the analytical information of towing machine.
Sensor of the present invention comprises acceleration pick-up 11, temperature sensor 12, tachogen 13 and current sensor 17, the status signal of towing machine comprises acceleration signal, temperature signal and tach signal, the corresponding vibration signal that detects of this acceleration pick-up, the corresponding detected temperatures signal of temperature sensor, the corresponding tach signal that detects of tachogen, the corresponding sensed current signal of current sensor, acceleration pick-up is arranged on the drop-gear box of towing machine, drg, on electrical motor or the base, temperature sensor mainly is arranged on the drop-gear box of towing machine, on drg or the electrical motor, tachogen is arranged on the input shaft of towing machine drop-gear box, and current sensor is arranged on the electrical motor or drg of towing machine.This acceleration pick-up 11 is the IEPE acceleration pick-up; When modulate circuit 14 links to each other with the IEPE acceleration pick-up, not only receive acceleration signal, also provide electric energy for the IEPE acceleration pick-up.
Change over signal of the present invention is a voltage signal; Modulate circuit 14 converts detection signal to voltage signal, amplifies with filtering through signal to export data acquisition circuit 15 later on to.
Controller of the present invention is compared the contrast signal of pre-stored in the acquired signal that receives and the controller, judges that detected towing machine running state is normally or unusually.This controller can directly be selected the PC computer for use.
The present invention gathers the status signal of towing machine, and handles, and shows diagnostic result then, is exclusively used in the status information that detects towing machine, and cost is low, monitoring effect good.
As depicted in figs. 1 and 2, a kind of towing machine detects or diagnotic method, and this method may further comprise the steps: the status signal of sensor towing machine, and this status signal is sent to modulate circuit; Modulate circuit 14 receiving condition signals, and change, then change over signal is sent to data acquisition circuit 15; Data acquisition circuit 15 is gathered change over signal, and this acquired signal is sent to controller; The status information of towing machine is handled and shown to controller.
Controller of the present invention carries out time domain or frequency-domain analysis to acquired signal, and with described controller in the contrast signal of pre-stored compare, generate diagnosis report and show that this analysis is monolateral Fourier transform.This controller can directly be selected the PC computer for use.
Sensor of the present invention is acceleration pick-up 11, temperature sensor 12, tachogen 13 and current sensor 17.
Controller of the present invention carries out power spectrum, power density spectrum, wavelet transformation, cepstrum or Envelope Analysis to acquired signal, and with described controller in the contrast signal of pre-stored compare, generate diagnosis report and show.The diagnosis report that this signal analysis draws can further be got rid of non-plain fault.
Diagnosis report of the present invention has three kinds of generation approach: first kind, directly acquired signal is carried out time domain or frequency-domain analysis by controller, and with described controller in the contrast signal of pre-stored compare, generate diagnosis report; Second kind, directly acquired signal is carried out power spectrum, power density spectrum, wavelet transformation, cepstrum or Envelope Analysis by controller, and with described controller in the contrast signal of pre-stored compare, generate diagnosis report; The third earlier carries out time domain or frequency-domain analysis by controller to acquired signal, and with described controller in the contrast signal of pre-stored compare, generate one time diagnosis report; The back is carried out power spectrum, power density spectrum, wavelet transformation, cepstrum or Envelope Analysis by controller to acquired signal, and with described controller in the contrast signal of pre-stored compare, generate the secondary diagnosis report.More than three kinds of modes that generate diagnosis reports can freely select use by the user.
Controller of the present invention carries out nargin, kurtosis, peak value index, pulse index, the peak value of status signal, the analysis of mean effective value.
The present invention gathers the status signal of towing machine, and handles, and shows diagnostic result then, is exclusively used in the status information that detects towing machine, and cost is low, monitoring effect good.
Towing machine detection of the present invention or diagnostic system have a monitoring science, real-time to the operation conditions of towing machine, guarantee that fault promptly was found before taking place, and reduce the personal casualty that elevator faults causes, and play the effect of prevention; Simultaneously the equipment of et out of order is diagnosed, realized not unpacking diagnosis, help the maintainer to find the trouble point as early as possible, in time safeguard.
The human-computer interaction interface of towing machine controller of the present invention comprises following content:
1) login of system, the input username and password;
2) setting of system parameter is provided with relevant towing machine information and data acquisition information;
3) switching that data acquisition, data analysis, system are withdrawed from is carried out at the master of system interface;
4) data acquisition interface is gathered multi-channel status signal, temperature signal and tach signal, and is shown in real time and record, generates the simple diagnosis report when withdrawing from automatically;
5) data analysis interface is carried out power spectrum, power density spectrum, wavelet transformation, cepstral analysis, Envelope Analysis to the signal that writes down, and is analyzed information such as its nargin, kurtosis, peak value index, pulse index, peak value, mean effective value;
6) menu setting is revised log-on message, comprises revising login password and login user password.
Towing machine of the present invention detects or diagnostic system, is a multi-channel state signal collecting and Analysis on Fault Diagnosis system.System utilizes sensor and modulate circuit 14 that the status signal of elevator traction machine is converted to voltage signal, and data acquisition circuit 15 is gathered voltage signals and also imported in the controller.System can carry out real time data demonstration, data analysis and diagnosis report and generate, data to the running condition of elevator under the different operating modes compare analysis, study the movement characteristic under the different operating modes, the operation characteristic of particularly malfunction situation, foundation is to the Analysis on Fault Diagnosis of towing machine, with trouble diagnosing and the condition monitoring to elevator traction machine and even whole elevator motion system.
Signal analysis technology has adopted the analysis method of monolateral Fourier transform, wavelet transformation, cepstral analysis, power spectrum and power density spectrum.
Native system is domestic first elevator traction machine fault localization system, present product both domestic and external nearly all is the checking system at lift car acceleration/accel or elevator traction machine torsional oscillation, it nearly all is the debugging that is applied to elevator, and price is very high, and specialty at the proprietary test macro of each unit failure of elevator seldom.Native system is primarily aimed at the main frame-elevator traction machine of elevator and tests, and utilizes science of mathematics, computer science and the electronics science realization trouble diagnosing to elevator traction machine.
System has reduced repair and maintenance personnel's working strength, has improved work efficiency.System adopts modern test technology, realized the unpacking trouble diagnosing that carries out of elevator traction machine, the repair and maintenance personnel are no longer as traditional maintenance, each parts are taken apart investigate, safeguard and only need utilize system directly to find out fault, improved work efficiency greatly and reduced working strength.
System has realized the assessment to the elevator traction machine running state, improved the safety of elevator operation, system not only can realize the elevator traction machine Fault Diagnosis, utilize the analysis of its image data, can also analyze the state of its operation, as the running state before the fault, in advance equipment is carried out repair and maintenance, dropping to of fault is minimum.
System has exploration, can carry out secondary development, and this system and development platform thereof have open system, and system can carry out personalize development according to the user, and the user also can utilize native system to carry out secondary development.
The resolution height of system, Hz-KHz is wide, and the resolution of system can reach 16, and Hz-KHz can reach 0.5 to 10k Hz.
System price is cheap, cost is low, and market efficiency is good.
Compare other software and proprietary software, system's price on software and hardware all has certain advantage.
Detection of the present invention or diagnostic system and method also can further be exclusively used in the change speed gear box of towing machine, running state to change speed gear box detects, then signal is changed, gathers, analyzed and compares, thereby monitor the mode of operation of towing machine change speed gear box in real time.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a towing machine detects or diagnostic system, it is characterized in that: described towing machine detects or diagnostic system comprises sensor, modulate circuit, data acquisition circuit and the controller that is linked in sequence; Described sensor is used to detect the status signal of towing machine, and this status signal is sent to described modulate circuit; Described modulate circuit, be used to receive the status signal of detection and send with the corresponding change over signal of this status signal to data acquisition circuit; Described data acquisition circuit is used to gather change over signal, and acquired signal is sent to controller; Described controller is used to handle and show the status information of towing machine.
2. towing machine according to claim 1 detects or diagnostic system, and it is characterized in that: described sensor comprises acceleration pick-up, temperature sensor, tachogen and current sensor.
3. towing machine according to claim 2 detects or diagnostic system, and it is characterized in that: described acceleration pick-up is the IEPE acceleration pick-up; Described modulate circuit is described IEPE acceleration pick-up power supply.
4. towing machine according to claim 1 detects or diagnostic system, and it is characterized in that: described change over signal is a voltage signal; Described modulate circuit converts detection signal to voltage signal, amplifies with filtering through signal to export data acquisition circuit later on to.
5. detect or diagnostic system according to any described towing machine of claim 1 to 4; it is characterized in that: described controller is compared the contrast signal of pre-stored in the acquired signal that receives and the described controller, judges that detected towing machine vibration vibrational state is normally or unusually.
6. a towing machine detects or diagnotic method, it is characterized in that this method may further comprise the steps: the status signal of sensor towing machine, and this status signal is sent to modulate circuit; Described modulate circuit receiving condition signal, and change, then change over signal is sent to data acquisition circuit; Described data acquisition circuit is gathered change over signal, and this acquired signal is sent to controller; The status information of towing machine is handled and shown to described controller.
7. towing machine according to claim 6 detects or diagnotic method, it is characterized in that: described controller carries out time domain or frequency-domain analysis to acquired signal, then with described controller in the contrast signal of pre-stored compare, generate diagnosis report and show.
8. towing machine according to claim 6 detects or diagnotic method, and it is characterized in that: described sensor is acceleration pick-up, temperature sensor, tachogen and current sensor.
9. detect or diagnotic method according to any described towing machine of claim 6 to 8, it is characterized in that: described controller carries out power spectrum, power density spectrum, wavelet transformation, cepstrum or Envelope Analysis to acquired signal, and with described controller in the contrast signal of pre-stored compare, generate diagnosis report and show.
10. towing machine according to claim 9 detects or diagnotic method, and it is characterized in that: described controller carries out the analysis of nargin, kurtosis, peak value index, pulse index, peak value, mean effective value.
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| CN102923540A (en) * | 2012-10-30 | 2013-02-13 | 吴江信谊精密五金有限公司 | Detector for elevator dragger |
| CN103197651A (en) * | 2013-04-11 | 2013-07-10 | 中国特种设备检测研究院 | Three-redundancy redundant computer measurement and control system used for elevator testing |
| CN103626003A (en) * | 2012-08-27 | 2014-03-12 | 深圳市一兆科技发展有限公司 | Elevator fault detecting method and system |
| CN103663029A (en) * | 2013-12-27 | 2014-03-26 | 南京理工大学 | Elevator remote monitoring and debugging system |
| CN104860171A (en) * | 2015-05-18 | 2015-08-26 | 沈阳蓝光驱动技术有限公司 | Permanent magnet synchronous traction machine convenient to assemble and maintain |
| CN105293238A (en) * | 2015-11-04 | 2016-02-03 | 浙江大学 | Device and method for detecting health condition of elevator |
| CN106219342A (en) * | 2016-08-19 | 2016-12-14 | 广州广日电梯工业有限公司 | Elevator self diagnosis based on time-frequency convert algorithm and pre-diagnostic system and method |
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| CN106792492A (en) * | 2017-03-07 | 2017-05-31 | 苏州大学 | A kind of monitoring system based on radio detection traction machine state |
| CN107381303A (en) * | 2017-07-04 | 2017-11-24 | 通力股份公司 | elevator drive |
| CN107473036A (en) * | 2017-07-31 | 2017-12-15 | 浙江省特种设备检验研究院 | Elevator traction machine remote online detects and diagnostic system and its checkout and diagnosis method |
| CN108529373A (en) * | 2018-04-02 | 2018-09-14 | 四川大学 | A kind of elevator car safety and temperature treatment method based on laser temperature-measuring |
| CN108562806A (en) * | 2018-01-05 | 2018-09-21 | 日立楼宇技术（广州）有限公司 | Method, apparatus, equipment and the storage medium of elevator traction machine performance whole detection |
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| CN109704164A (en) * | 2018-02-28 | 2019-05-03 | 武汉大学 | A kind of real-time detection method of elevator motion exception |
| CN109704163A (en) * | 2019-01-18 | 2019-05-03 | 西人马(西安)测控科技有限公司 | Elevator operation monitoring method and device |
| CN111441783A (en) * | 2020-04-17 | 2020-07-24 | 中铁隧道局集团有限公司 | Centralized detection method for performance of low-voltage apparatus of shield machine |
| CN111537061A (en) * | 2020-05-21 | 2020-08-14 | 江苏理工学院 | Elevator traction motor vibration on-line detection system |
| CN111675063A (en) * | 2020-07-07 | 2020-09-18 | 广东卓梅尼技术股份有限公司 | Elevator traction machine fault determination method and system based on current monitoring technology |
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| CN103626003A (en) * | 2012-08-27 | 2014-03-12 | 深圳市一兆科技发展有限公司 | Elevator fault detecting method and system |
| CN102923540A (en) * | 2012-10-30 | 2013-02-13 | 吴江信谊精密五金有限公司 | Detector for elevator dragger |
| CN103197651A (en) * | 2013-04-11 | 2013-07-10 | 中国特种设备检测研究院 | Three-redundancy redundant computer measurement and control system used for elevator testing |
| CN103197651B (en) * | 2013-04-11 | 2016-03-30 | 中国特种设备检测研究院 | A kind of triplex redundance redundant computation machine observe and control system of elevator test |
| CN103663029A (en) * | 2013-12-27 | 2014-03-26 | 南京理工大学 | Elevator remote monitoring and debugging system |
| CN104860171A (en) * | 2015-05-18 | 2015-08-26 | 沈阳蓝光驱动技术有限公司 | Permanent magnet synchronous traction machine convenient to assemble and maintain |
| CN105293238A (en) * | 2015-11-04 | 2016-02-03 | 浙江大学 | Device and method for detecting health condition of elevator |
| CN106672722A (en) * | 2015-11-10 | 2017-05-17 | 株式会社日立大厦*** | Machine diagnosis apparatus, machine diagnosis method, and machine diagnosis system |
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| CN108700873A (en) * | 2016-03-09 | 2018-10-23 | 西门子股份公司 | The intelligent embedded control system of field device for automated system |
| US11347212B2 (en) | 2016-03-09 | 2022-05-31 | Siemens Aktiengesellschaft | Smart embedded control system for a field device of an automation system |
| CN106219342A (en) * | 2016-08-19 | 2016-12-14 | 广州广日电梯工业有限公司 | Elevator self diagnosis based on time-frequency convert algorithm and pre-diagnostic system and method |
| CN106219342B (en) * | 2016-08-19 | 2019-02-01 | 广州广日电梯工业有限公司 | Elevator self diagnosis and pre- diagnostic system and method based on time-frequency convert algorithm |
| CN106792492A (en) * | 2017-03-07 | 2017-05-31 | 苏州大学 | A kind of monitoring system based on radio detection traction machine state |
| CN107381303A (en) * | 2017-07-04 | 2017-11-24 | 通力股份公司 | elevator drive |
| CN107473036A (en) * | 2017-07-31 | 2017-12-15 | 浙江省特种设备检验研究院 | Elevator traction machine remote online detects and diagnostic system and its checkout and diagnosis method |
| CN108562806B (en) * | 2018-01-05 | 2021-02-26 | 日立楼宇技术（广州）有限公司 | Method, device, equipment and storage medium for overall detection of performance of elevator traction machine |
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| CN109704164A (en) * | 2018-02-28 | 2019-05-03 | 武汉大学 | A kind of real-time detection method of elevator motion exception |
| CN108529373A (en) * | 2018-04-02 | 2018-09-14 | 四川大学 | A kind of elevator car safety and temperature treatment method based on laser temperature-measuring |
| CN109655106A (en) * | 2018-07-30 | 2019-04-19 | 杭州哲达科技股份有限公司 | One kind being used for running device Ankang real-time monitoring system |
| CN109031121A (en) * | 2018-09-06 | 2018-12-18 | 安徽安凯汽车股份有限公司 | A kind of new energy vehicle driving motor in-circuit diagnostic system |
| CN109704163A (en) * | 2019-01-18 | 2019-05-03 | 西人马(西安)测控科技有限公司 | Elevator operation monitoring method and device |
| CN109704163B (en) * | 2019-01-18 | 2020-05-12 | 西人马帝言(北京)科技有限公司 | Elevator running state monitoring method and device |
| CN111441783A (en) * | 2020-04-17 | 2020-07-24 | 中铁隧道局集团有限公司 | Centralized detection method for performance of low-voltage apparatus of shield machine |
| CN111441783B (en) * | 2020-04-17 | 2021-06-15 | 中铁隧道局集团有限公司 | Centralized detection method for performance of low-voltage apparatus of shield machine |
| CN111537061A (en) * | 2020-05-21 | 2020-08-14 | 江苏理工学院 | Elevator traction motor vibration on-line detection system |
| CN111537061B (en) * | 2020-05-21 | 2022-02-18 | 江苏理工学院 | Elevator traction motor vibration on-line detection system |
| CN111675063A (en) * | 2020-07-07 | 2020-09-18 | 广东卓梅尼技术股份有限公司 | Elevator traction machine fault determination method and system based on current monitoring technology |
| CN112520536A (en) * | 2020-11-30 | 2021-03-19 | 中国矿业大学 | Low-temperature vibration testing device and method for steel wire rope of winding type elevator |
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