CN101419442A - Portable elevator dynamic characteristic data acquisition unit based on USB interface - Google Patents
Portable elevator dynamic characteristic data acquisition unit based on USB interface Download PDFInfo
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Abstract
The invention discloses a USB-interface-based portable device for collecting dynamic characteristic data of an elevator. The device comprises an electrical source managing module, a USB interface module used for data exchange with a notebook computer, a single chip controlling module with AD converting function, a signal filtering processing and operation amplifying modulating circuit module, a charge amplifier module and a vibration acceleration sensor. The device uses the USB interface module to transfer the command transmitted from the notebook computer to the single chip module; the single chip module is used for analyzing the command and is used for starting up and controlling an A/D conversion according to the corresponding command. Finally, the dynamic characteristic data of the elevator are transferred to the notebook computer for analyzing. In the invention, data is collected on the basis of the USB interface and the data collecting device is electrified by a USB bus. The device is low in power consumption, and is light and portable. Therefore, the device can be conveniently operated in a moving elevator carriage, so as to detect operation condition of the elevator in real time.
Description
Technical field
The present invention relates to elevator dynamic characteristic data acquisition unit, especially relate to a kind of USB interface-based portable elevator dynamic characteristic data acquisition unit.
Background technology
Elevator is a kind of means of transport that grows up along with the construction of skyscraper, but along with elevator constantly develops to high-lift, high speed direction, makes it keep the higher dynamic comfortableness more difficult that becomes.Because mechanical vibration that produce in elevator high-speed cruising process and impact meeting produce additional dynamic load to its traction system, influence the serviceability of elevator, influence passenger's comfort and health, also may produce security incident, influence the security of the lives and property.So elevator operation is detected, understanding its dynamic property is prevention and the necessary means of improving the elevator quality.
Existing instrumentation is mainly the EVA-625 elevator Quality Detection analyser of U.S. Stork PMT Co. exploitation, it can write down and analyze the vibration situation of elevator and escalator, but this appliance requires rechargeable battery or external power supply, and its internal memory is little, the storage data are limited, and can not carry out the data in real time analysis; The elevator diagnostic system ADIASYSTEM that also has group of southern Germany, be a cover utilization computing machine to elevator and escalator is measured and system that test result is suitably write down, but this system complex, the value costliness is unfavorable for that corresponding businesses and institutions adopts.
Summary of the invention
At problems of the prior art, the object of the present invention is to provide a kind of USB interface-based portable elevator dynamic characteristic data acquisition unit, have characteristics such as low-power consumption, portable, data in real time analysis.
The technical solution adopted for the present invention to solve the technical problems is:
The present invention includes harvester, notebook computer and be installed in X in the lift car, Y, three road vibration acceleration sensors of Z direction connect; Harvester is connected with three road vibration acceleration sensors respectively by sensor signal lines, and harvester is connected with notebook computer by the usb data line; Wherein:
One end of three charge amplifier modules of described harvester respectively with the X that is contained in the lift car, Y, three road vibration acceleration sensors of Z direction connect, after the other end of three charge amplifier modules inserts multi-way switch respectively, involve the signal filtering processing and amplifier conditioning circuit module of current potential translation circuit composition via programmable amplifier and low pass filtered after, the singlechip controller module of tape splicing A/D converter, power management module is respectively to the charge amplifier module, multi-way switch, signal filtering processing and amplifier conditioning circuit module and the band A/D converter the singlechip controller module for power supply, usb interface module by the usb data line respectively with the band A/D converter the singlechip controller module, power management module is connected with notebook computer.
The singlechip controller module of described band A/D converter is the ADuC841 singlechip chip by ADI company, and this chip has single command cycle 20MIPS 8052 kernels and 8 passage high speed 420Ksps, 12bit A/D converter, precise internal voltage reference source.
Described usb interface module, its chips adopt Nanjing permanent CH372A parallel port chip that oozes, the compatible USB 2.0 of this chip; Shielded relevant usb protocol under the built-in firmware mode, the USB that finishes standard automatically enumerates layoutprocedure, does not need the local side controller to do any processing fully, has simplified the firmware programs of single-chip microcomputer; General Windows driver provides the device level interface, provides API Applied layer interface by DLL.
Described signal filtering processing and amplifier conditioning circuit module are core with the LM324 chip, and the LM324 chip provides 4 operational amplifiers.Wherein, two operational amplifiers are designed to filter circuit; An operational amplifier is designed to arithmetic circuity, carries out level shift, general-5V～+ input signal of 5V through operation transform become 0～+ scope of 2.5V, meet the input requirement of A/D converter; There is an operational amplifier to be designed to voltage follower again, the reference voltage accurately of ADuC841 chip is followed output, be used in the arithmetic circuity of level shift.
Described power management module has adopted two chips, and one is to adopt the LT1117-3.3 chip, and the 5V voltage transitions that usb bus is provided becomes 3.3V voltage, offers the singlechip controller module and the usb interface module of A/D converter; Another is to adopt the A0509S chip with the 5V voltage transformation one-tenth ± 9V that usb bus provides, and offers multi-way switch, charge amplifier module, programmable amplifier, low pass filtered and involves current potential translation module.
The beneficial effect that the present invention has is:
This device is core with the one-chip computer module, is responsible for instruction and resolves, and start and control AD conversion according to command adapted thereto, at last the elevator dynamic characteristic data is sent to notebook computer and carries out real-time analysis.The present invention has characteristics such as low-power consumption, portable, data in real time analysis.
Description of drawings
Fig. 1 is a connection diagram of the present invention.
Fig. 2 is an overall hardware synoptic diagram of the present invention.
Fig. 3 is the integrated stand composition of Single-chip Controlling program of the present invention.
Fig. 4 is a Single-chip Controlling program principal function process flow diagram of the present invention.
Among the figure: 1. harvester; 2. notebook computer; 3.USB data line; 4. sensor signal lines; 5. lift car synoptic diagram; 6. vibration acceleration sensor; 7.USB interface module; 8. be with the single chip control module of A/D converter; 9. signal filtering processing and amplifier conditioning circuit module; 10. charge amplifier module; 11. power management module.
Embodiment
The invention will be further described below in conjunction with drawings and Examples.
As shown in Figure 1, the present invention includes harvester 1, notebook computer 2 and be installed in X in the lift car 5, Y, three road vibration acceleration sensors of Z direction connect; Harvester 1 is connected with three road vibration acceleration sensors respectively by sensor signal lines, and harvester 1 is connected with notebook computer 2 by the usb data line and communicates.
As shown in Figure 2, one end of three charge amplifier modules 10 of described harvester 1 respectively with the X that is contained in the lift car 5, Y, three road vibration acceleration sensors 6 of Z direction connect, after the other end of three charge amplifier modules 10 inserts multi-way switch respectively, involve the signal filtering processing and amplifier conditioning circuit module 9 of current potential translation circuit composition via programmable amplifier and low pass filtered after, the singlechip controller module 8 of tape splicing A/D converter, power management module 11 is respectively to charge amplifier module 10, multi-way switch, singlechip controller module 8 power supplies of signal filtering processing and amplifier conditioning circuit module 9 and band A/D converter, usb interface module 7 by the usb data line respectively with the singlechip controller module 9 of band A/D converter, power management module 11 is connected with notebook computer 2.
Described vibration acceleration sensor 6 is used for gathering the vibration acceleration signal in the elevator cage operation process, and with form of electrical charges output, is transformed into voltage signal by the charge amplifier module again.
Described harvester 1 is by the usb bus power supply, and device power consumption is low.
The singlechip controller module 8 of described band A/D converter is the ADuC841 singlechip chip by ADI company, this chip has single command cycle 20MIPS 8052 kernels and 8 passage high speed 420Ksps, 12bit A/D converter, precise internal voltage reference source etc., and have characteristics low in energy consumption, meet low in energy consumption, the requirement that integrated level is high of requirement of the present invention.The ADuC841 single-chip microcomputer is supported the online download of serial ports, convenient exploitation and upgrading.
Described usb interface module 7, its chips adopt Nanjing permanent CH372A parallel port chip that oozes, the compatible USB 2.0 of this chip; Shielded relevant usb protocol under the built-in firmware mode, the USB that finishes standard automatically enumerates layoutprocedure, does not need the local side controller to do any processing fully, has simplified the firmware programs of single-chip microcomputer; General Windows driver provides the device level interface, provides API Applied layer interface by DLL.Under external firmware mode, various by oneself as required USB ask by external microcontroller, thereby can realize meeting the equipment of various USB class standards.Adopted its external firmware mode to be configured among the present invention.
Described signal filtering processing and amplifier conditioning circuit module 9 comprise the computing circuit that PGA programmable amplifier and LM324 amplifier are formed, and signal is amplified adjusting, and level shift obtains being fit to the voltage signal of A/D converter.Be core with the LM324 chip wherein, the LM324 chip provides 4 operational amplifiers.Wherein, two operational amplifiers are designed to filter circuit; An operational amplifier is designed to arithmetic circuity, carries out level shift, general-5V～+ input signal of 5V through operation transform become 0～+ scope of 2.5V, meet the input requirement of A/D converter; There is an operational amplifier to be designed to voltage follower again, the reference voltage accurately of ADuC841 chip is followed output, be used in the arithmetic circuity of level shift.
Described power management module 11 passes through the voltage transitions chip with the 5V power supply that usb bus provides, and handles obtaining the required working power of each module.Power management module 11 has adopted two chips, and one is to adopt the LT1117-3.3 chip, and the 5V voltage transitions that usb bus is provided becomes 3.3V voltage, offers the singlechip controller module 8 and the usb interface module 7 of A/D converter; Another is to adopt the A0509S chip with the 5V voltage transformation one-tenth ± 9V that usb bus provides, and offers multi-way switch, charge amplifier module 10, programmable amplifier, low pass filtered and involves current potential translation module.
Principle of work of the present invention is as follows:
As shown in Figure 2, the output terminal of three road vibration acceleration sensors inserts charge amplifier module TS5851, selection through multi-way switch MAX4052, timesharing enter programmable amplifier PGA202, the PGA203 of rear end and the signal filtering processing and amplifier conditioning circuit module that constitute by LM324 in, be transformed at last rational range of signal (0～+ 2.5V) enter 12 high-precision a/d converter input pins of main control singlechip ADuC841, realized the sampling of data.Send on the notebook computer after last single chip control module is handled data and handle, store.Software on the notebook computer is mainly used to realize the control of harvester and the Treatment Analysis of image data, the demonstration of data.
As shown in Figure 3, the function of singlechip controller module mainly is to be responsible for the parsing of notebook computer (being host computer) order, and carries out data collection task according to order, and uploads data.Concrete transaction aspect is divided into AD sampling, data transmission, command analysis, usb communication control.
As shown in Figure 4, the singlechip controller module uses three to interrupt power supply altogether, start operation back master routine at first carries out the correlation parameter initialization, monitors notebook computer (being host computer) order then, as after receiving acquisition, then in interrupting, opens INF0 two timers, master routine monitoring related data buffer zone full scale will if there is buffer zone to fill up, then uploaded and is changed buffer data, and clear corresponding full scale will, continue monitoring related command and buffering distinctive emblem then.
Method of operating of the present invention is: during on-the-spot the detection, vibration transducer is received on the data collector with dedicated signal lines, vibration transducer is positioned over the center position on lift car floor according to the respective detection standard-required again; With the usb data line data acquisition unit is connected to notebook computer; Open the data acquisition appliance mains switch, then start the control analysis software on the notebook computer; By the control analysis software on the notebook computer data collector is carried out parameter setting and control at last.
Claims (5)
1. USB interface-based portable elevator dynamic characteristic data acquisition unit is characterized in that: comprises harvester (1), notebook computer (2) and is installed in X in the lift car (5), and Y, three road vibration acceleration sensors of Z direction connect; Harvester (1) is connected with three road vibration acceleration sensors respectively by sensor signal lines, and harvester (1) is connected with notebook computer (2) by the usb data line; Wherein:
One end of three charge amplifier modules (10) of described harvester (1) respectively with the X that is contained in the lift car (5), Y, three road vibration acceleration sensors (6) of Z direction connect, after the other end of three charge amplifier modules (10) inserts multi-way switch respectively, involve the signal filtering processing and amplifier conditioning circuit module (9) of current potential translation circuit composition via programmable amplifier and low pass filtered after, the singlechip controller module (8) of tape splicing A/D converter, power management module (11) is respectively to charge amplifier module (10), multi-way switch, singlechip controller module (8) power supply of signal filtering processing and amplifier conditioning circuit module (9) and band A/D converter, usb interface module (7) by the usb data line respectively with the singlechip controller module (9) of band A/D converter, power management module (11) is connected with notebook computer (2).
2. a kind of USB interface-based portable elevator dynamic characteristic data acquisition unit according to claim 1, it is characterized in that: the singlechip controller module (8) of described band A/D converter is the ADuC841 singlechip chip by ADI company, and this chip has single command cycle 20MIPS 8052 kernels and 8 passage high speed 420Ksps, 12bit A/D converter, precise internal voltage reference source.
3. a kind of USB interface-based portable elevator dynamic characteristic data acquisition unit according to claim 1 is characterized in that: described usb interface module (7), its chips adopt Nanjing permanent CH372A parallel port chip that oozes, the compatible USB 2.0 of this chip; Shielded relevant usb protocol under the built-in firmware mode, the USB that finishes standard automatically enumerates layoutprocedure, does not need the local side controller to do any processing fully, has simplified the firmware programs of single-chip microcomputer; General Windows driver provides the device level interface, provides API Applied layer interface by DLL.
4. a kind of USB interface-based portable elevator dynamic characteristic data acquisition unit according to claim 1, it is characterized in that: described signal filtering processing and amplifier conditioning circuit module (9), with the LM324 chip is core, and the LM324 chip provides 4 operational amplifiers.Wherein, two operational amplifiers are designed to filter circuit; An operational amplifier is designed to arithmetic circuity, carries out level shift, general-5V～+ input signal of 5V through operation transform become 0～+ scope of 2.5V, meet the input requirement of A/D converter; There is an operational amplifier to be designed to voltage follower again, the reference voltage accurately of ADuC841 chip is followed output, be used in the arithmetic circuity of level shift.
5. a kind of USB interface-based portable elevator dynamic characteristic data acquisition unit according to claim 1, it is characterized in that: described power management module (11) has adopted two chips, one is to adopt the LT1117-3.3 chip, the 5V voltage transitions that usb bus is provided becomes 3.3V voltage, offers the singlechip controller module (8) and the usb interface module (7) of A/D converter; Another is to adopt the A0509S chip with the 5V voltage transformation one-tenth ± 9V that usb bus provides, and offers multi-way switch, charge amplifier module (10), programmable amplifier, low pass filtered and involves current potential translation module.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008101629161A CN101419442A (en) | 2008-12-08 | 2008-12-08 | Portable elevator dynamic characteristic data acquisition unit based on USB interface |
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| CNA2008101629161A CN101419442A (en) | 2008-12-08 | 2008-12-08 | Portable elevator dynamic characteristic data acquisition unit based on USB interface |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102829857A (en) * | 2012-08-10 | 2012-12-19 | 上海卫星工程研究所 | Monitoring method of satellite air transportation vibration response |
| WO2013187783A1 (en) * | 2012-06-15 | 2013-12-19 | Akademia Górniczo-Hutnicza im. Stanisława Staszica | A device for assessing the power consumption efficiency of lifts and a method for examining the power consumption efficiency of lifts |
| US9213473B2 (en) | 2010-11-09 | 2015-12-15 | Kone Corporation | Device and system for elevator maintenance |
| CN106163958A (en) * | 2014-04-07 | 2016-11-23 | 蒂森克虏伯电梯股份公司 | Elevator physical examination |
| CN108303225A (en) * | 2017-01-13 | 2018-07-20 | 天津城建大学 | A kind of portable rigidity data measures and processing system |
| CN108398910A (en) * | 2018-05-16 | 2018-08-14 | 哈尔滨朗昇电气股份有限公司 | Double power supply converting switch action state detection circuit and detection method |
| CN108495801A (en) * | 2015-10-13 | 2018-09-04 | 埃尔格电子两合公司 | The device and elevator device of position for adjusting lift facility |
| CN108609449A (en) * | 2018-06-22 | 2018-10-02 | 福建省特种设备检验研究院 | A kind of sensor-based intelligent elevator detector and detection method |
| CN109211400A (en) * | 2018-11-07 | 2019-01-15 | 福州鑫奥特纳科技有限公司 | A kind of vibration of elevator data acquisition circuit that analog and digital signal is isolated entirely |
| CN109238453A (en) * | 2018-11-07 | 2019-01-18 | 福州鑫奥特纳科技有限公司 | A kind of vibration of elevator data acquisition circuit with 3-axis acceleration sensor |
| CN116026303A (en) * | 2023-03-29 | 2023-04-28 | 航天星云(北京)科技有限公司 | Optical fiber gyro circuit board, debugging method, optical fiber gyro and inertial navigation system |
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2008
- 2008-12-08 CN CNA2008101629161A patent/CN101419442A/en active Pending
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9213473B2 (en) | 2010-11-09 | 2015-12-15 | Kone Corporation | Device and system for elevator maintenance |
| WO2013187783A1 (en) * | 2012-06-15 | 2013-12-19 | Akademia Górniczo-Hutnicza im. Stanisława Staszica | A device for assessing the power consumption efficiency of lifts and a method for examining the power consumption efficiency of lifts |
| CN102829857A (en) * | 2012-08-10 | 2012-12-19 | 上海卫星工程研究所 | Monitoring method of satellite air transportation vibration response |
| CN106163958A (en) * | 2014-04-07 | 2016-11-23 | 蒂森克虏伯电梯股份公司 | Elevator physical examination |
| CN108495801A (en) * | 2015-10-13 | 2018-09-04 | 埃尔格电子两合公司 | The device and elevator device of position for adjusting lift facility |
| CN108495801B (en) * | 2015-10-13 | 2020-08-18 | 埃尔格电子两合公司 | Device for adjusting the position of an elevator installation and elevator system |
| CN108303225A (en) * | 2017-01-13 | 2018-07-20 | 天津城建大学 | A kind of portable rigidity data measures and processing system |
| CN108398910A (en) * | 2018-05-16 | 2018-08-14 | 哈尔滨朗昇电气股份有限公司 | Double power supply converting switch action state detection circuit and detection method |
| CN108609449A (en) * | 2018-06-22 | 2018-10-02 | 福建省特种设备检验研究院 | A kind of sensor-based intelligent elevator detector and detection method |
| CN108609449B (en) * | 2018-06-22 | 2023-09-15 | 福建省特种设备检验研究院 | Intelligent elevator detector based on sensor and detection method |
| CN109211400A (en) * | 2018-11-07 | 2019-01-15 | 福州鑫奥特纳科技有限公司 | A kind of vibration of elevator data acquisition circuit that analog and digital signal is isolated entirely |
| CN109238453A (en) * | 2018-11-07 | 2019-01-18 | 福州鑫奥特纳科技有限公司 | A kind of vibration of elevator data acquisition circuit with 3-axis acceleration sensor |
| CN109211400B (en) * | 2018-11-07 | 2024-02-09 | 福建省特种设备检验研究院 | Elevator vibration data acquisition circuit with fully isolated analog and digital signals |
| CN116026303A (en) * | 2023-03-29 | 2023-04-28 | 航天星云(北京)科技有限公司 | Optical fiber gyro circuit board, debugging method, optical fiber gyro and inertial navigation system |
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Open date: 20090429 |