CN104236910A - Testing system for CT scanner rotary disc bearing - Google Patents
Testing system for CT scanner rotary disc bearing Download PDFInfo
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- CN104236910A CN104236910A CN201410499851.5A CN201410499851A CN104236910A CN 104236910 A CN104236910 A CN 104236910A CN 201410499851 A CN201410499851 A CN 201410499851A CN 104236910 A CN104236910 A CN 104236910A
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Abstract
The invention relates to rotary disc bearing testing system, in particular to a testing system for a CT scanner rotary disc bearing. The testing system comprises a front-end monitoring unit and a background information processing system. The front-end monitoring unit comprises a sensor, a signal processing circuit and a data collecting card. The background information processing system comprises a parameter setting module, a data collecting component, a data processing module and a display component. The testing system has the advantages that parameters such as temperature rise, vibration and noise of the CT scanner rotary disc bearing can be monitored in real time, the testing system has an alarming system and a display system and has functions of histogram visualizing and reading and writing, the testing system is comprehensive, humane and visualized by an auxiliary system, real-time monitoring is achieved, and various parameters of the rotary disc bearing can be observed at any time.
Description
Technical field
The present invention relates to a kind of turntable bearing test macro, specifically a kind of CT machine turntable bearing experimental machine test macro.
Background technology
CT machine turntable bearing is Medical Devices large special precision bearing, requires that this class bearing can operate under high-speed working condition, and has very strict requirement to temperature rise and noise.When testing CT machine turntable bearing, need to test the multiple performance parameters in turntable bearing operation process.CT machine belongs to advanced medical equipment in China, and turntable bearing is the critical component of CT machine, and at present, turntable bearing that such main frame uses is all foreign brand name.
At present, domestic be in developing of CT machine turntable bearing the ground zero stage, in order to test the performance index of this class bearing, extremely need corresponding experiment test system.
Summary of the invention
The object of the present invention is to provide a kind of test macro with the every dynamic parameter of CT machine turntable bearing that directly can read parameter interface, system can show the state parameter of CT machine turntable bearing intuitively, there is provided the Key Performance Indicator of this class bearing, for the development of this class bearing and examination provide data foundation.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of CT machine turntable bearing experimental machine test macro, comprise front end monitoring means and background information disposal system, described front end monitoring means comprises sensor, signal conditioning circuit and data collecting card, described sensor is arranged on tested turntable bearing, for real time data monitoring and the collection of measured bearing parameters, described signal conditioning circuit is connected with sensor, various simulating signals for being obtained by sensor are converted into standard voltage signal, described data collecting card is connected with signal conditioning circuit, for simulating signal being converted to digital signal and being transferred to background information disposal system, this background information disposal system comprises parameter setting module, data acquisition components, data processing module and display module, described data acquisition components is for receiving the data of data collecting card transmission, and according to the setting value of parameter setting module it is inputted data processing module respectively and display module carries out analyzing and showing,
Described sensor comprises temperature sensor, vibrating speed sensors and noise transducer, the outer ring of tested turntable bearing is fixed on the riser of experimental machine, inner ring is provided with counterweight rotor, described counterweight rotor is connected with motor by belt, temperature sensor is arranged in the greasing hole of bearing outer ring, vibrating speed sensors is arranged on the magnet base that is adsorbed on riser, the measurement end face of vibrating speed sensors is relative with the flange excircle cylinder of counterweight rotor, and noise transducer is relative with counterweight rotor and be positioned on the center line of bearing;
Described data collecting card adopts multichannel input, by the three-way sensor Signal transmissions that collects to background information disposal system;
Described vibrating speed sensors adopts non-contact electric eddy sensor;
Described noise transducer is arranged on the center line of bearing by stand;
Described vibrating speed sensors is arranged on magnet base by elastic jacket.
Beneficial effect of the present invention:
CT machine turntable bearing experimental machine test macro provided by the invention, can Real-Time Monitoring CT machine turntable bearing run time the parameter such as temperature rise, vibration & noise, the warning system of experimental machine test macro, display system, histogram are visual and add read-write capability, backup system makes test macro change more comprehensively, hommization, visualize, can monitor in real time, observes the parameters of turntable bearing at any time;
CT machine turntable bearing experimental machine test macro provided by the invention, being arranged in the greasing hole that bearing itself has of temperature sensor, had both reached the object measuring bearing inner raceway temperature, had not damaged bearing again; The measurement of vibration velocity adopts non-contact electric eddy sensor, avoids gauge head and to wear and tear the measuring error brought;
CT machine turntable bearing experimental machine test macro provided by the invention, solve large-scale turntable bearing difficult parameters with the problem of test, and there is versatility, as long as the structure and arranging of changing some systems a little for the turntable bearing of different model, different purposes just can be used; In bearing tester practical application, native system working stability, data rate is fast, the signal precise control of temperature, noise and vibration, and alarm response is rapid, has stronger practical value at the aspect of performance improving bearing tester; This research plays certain promotion by the development of China's turntable bearing, and bearing industry is to the development important in inhibiting in domestic Medical Devices direction at home.
Accompanying drawing explanation
Fig. 1 is testing scheme figure of the present invention;
Fig. 2 is system architecture schematic diagram of the present invention;
Fig. 3 is system design flow figure of the present invention;
Fig. 4 is operation interface display figure of the present invention.
Reference numeral: 1, riser, 2, temperature sensor, 3, tested turntable bearing, 4, counterweight rotor, 5, noise transducer, 6, vibrating speed sensors, 7, elastic jacket, 8, support, 9, magnet base, 10, stand.
Embodiment
Below in conjunction with embodiment, the present invention is further elaborated.
A kind of CT machine turntable bearing experimental machine test macro, comprise front end monitoring means and background information disposal system, described front end monitoring means comprises sensor, signal conditioning circuit and data collecting card, described sensor is arranged on tested turntable bearing, for real time data monitoring and the collection of measured bearing parameters, described signal conditioning circuit is connected with sensor, various simulating signals for being obtained by sensor are converted into standard voltage signal, described data collecting card is connected with signal conditioning circuit, for simulating signal being converted to digital signal and being transferred to background information disposal system, this background information disposal system comprises parameter setting module, data acquisition components, data processing module and display module, described data acquisition components is for receiving the data of data collecting card transmission, and according to the setting value of parameter setting module it is inputted data processing module respectively and display module carries out analyzing and showing,
Described sensor comprises temperature sensor 2, vibrating speed sensors 6 and noise transducer 5, the outer ring of tested turntable bearing 3 is fixed on the riser 1 of experimental machine, inner ring is provided with counterweight rotor 4, described counterweight rotor 4 is connected with motor by belt, temperature sensor 2 is arranged in the greasing hole of bearing outer ring, vibrating speed sensors 6 is arranged on the magnet base 9 that is adsorbed on riser 1 by elastic jacket 7, the measurement end face of vibrating speed sensors 6 is relative with the flange excircle cylinder of counterweight rotor 4, noise transducer 5 is relative with counterweight rotor 4 and be arranged on the center line of bearing by stand 10, described vibrating speed sensors 6 adopts non-contact electric eddy sensor, as shown in Figure 1.
The rotating speed of this experimental machine test macro institute test bearing is 170r/min, maximum load is 5500N, described test macro survey parameter scope be: temperature rise (10 DEG C ~ 60 DEG C), vibration (5 μm/s ~ 200 μm/s) and the signal of noise (less than 100 decibels) are tested, CT machine turntable bearing testing machine test macro as shown in Figure 2:
Test macro comprises front end monitoring means and background information disposal system, front end monitoring means comprises sensor, signal conditioning circuit and data collecting card, sensor comprises temperature sensor, vibrating speed sensors and noise transducer, data collecting card adopts multichannel input, by the three-way sensor Signal transmissions that collects to background information disposal system, background information disposal system take industrial computer as hardware, the software-driven of development and testing system and user's display interface under Labview graphical programming environment.
JM608V platinum resistance integral temperature sensor selected by temperature sensor, and its gauge head and transmitter are connected by measuring staff thus eliminate the impact of high temperature on transmitter; Vibrating speed sensors adopts current vortex sensor VLG10-8, carries out non-cpntact measurement to the vibrational state of bearing inner race; Noise transducer selects TZ-2KA type noise transducer, and the sound intensity energy range of measurement meets the whole requirements in national clunk management standard, exports as standard voltage signal, is convenient to form meticulous noise measurement system with Various types of data collection and Measurement and Control System.
The CT machine turntable bearing parameters signal that sensor collects by signal conditioning circuit carries out amplifying, is separated, changes, send into data collecting card again, data collecting card selects NI USB-6008, electric signal after modulate circuit process is sent to internal system from its exterior, and be input in host computer carry out analysis display, this data collecting card and Labview graphical programming language compatibility, in conjunction with shielded cable and terminal board, facilitate Installation and Debugging.
Testing system software design cycle as shown in Figure 3; these software systems comprise parameter setting module, data acquisition components, data processing module and display module; data acquisition components reads data from the passage that data collecting card is specified; data processing module processes signal; calculate the parameters such as the temperature of measured bearing test point, vibration & noise; drawn the change curve state of current measured bearing different parameters by display module, when data exceed setting range, trigger alarm shuts down module.
As shown in Figure 4, temperature, the vibration & noise signal of CT machine turntable bearing are presented on guidance panel in real time in operation interface display, and user also can enquiry of historical data, realizes the real-time monitoring to CT machine turntable bearing.
Claims (5)
1. a CT machine turntable bearing experimental machine test macro, it is characterized in that: comprise front end monitoring means and background information disposal system, described front end monitoring means comprises sensor, signal conditioning circuit and data collecting card, described sensor is arranged on tested turntable bearing, for real time data monitoring and the collection of measured bearing parameters, described signal conditioning circuit is connected with sensor, various simulating signals for being obtained by sensor are converted into standard voltage signal, described data collecting card is connected with signal conditioning circuit, for simulating signal being converted to digital signal and being transferred to background information disposal system, this background information disposal system comprises parameter setting module, data acquisition components, data processing module and display module, described data acquisition components is for receiving the data of data collecting card transmission, and according to the setting value of parameter setting module it is inputted data processing module respectively and display module carries out analyzing and showing,
Described sensor comprises temperature sensor, vibrating speed sensors and noise transducer, the outer ring of tested turntable bearing is fixed on the riser of experimental machine, inner ring is provided with counterweight rotor, described counterweight rotor is connected with motor by belt, temperature sensor is arranged in the greasing hole of bearing outer ring, vibrating speed sensors is arranged on the magnet base that is adsorbed on riser, the measurement end face of vibrating speed sensors is relative with the flange excircle cylinder of counterweight rotor, and noise transducer is relative with counterweight rotor and be positioned on the center line of bearing.
2. CT machine turntable bearing experimental machine test macro as claimed in claim 1, is characterized in that: described data collecting card adopts multichannel input, by the three-way sensor Signal transmissions that collects to background information disposal system.
3. CT machine turntable bearing experimental machine test macro as claimed in claim 1, is characterized in that: described vibrating speed sensors adopts non-contact electric eddy sensor.
4. CT machine turntable bearing experimental machine test macro as claimed in claim 1, is characterized in that: described noise transducer is arranged on the center line of bearing by stand.
5. CT machine turntable bearing experimental machine test macro as claimed in claim 1, is characterized in that: described vibrating speed sensors is arranged on magnet base by elastic jacket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410499851.5A CN104236910A (en) | 2014-09-26 | 2014-09-26 | Testing system for CT scanner rotary disc bearing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410499851.5A CN104236910A (en) | 2014-09-26 | 2014-09-26 | Testing system for CT scanner rotary disc bearing |
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| CN104236910A true CN104236910A (en) | 2014-12-24 |
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| CN201410499851.5A Pending CN104236910A (en) | 2014-09-26 | 2014-09-26 | Testing system for CT scanner rotary disc bearing |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104990647A (en) * | 2015-07-04 | 2015-10-21 | 河南科技大学 | Rotary table bearing rolling element load distribution test system |
| CN106017932A (en) * | 2016-08-02 | 2016-10-12 | 哈尔滨理工大学 | Online monitoring and intelligent early-warning system for motor bearing |
| CN109900461A (en) * | 2019-02-27 | 2019-06-18 | 东软医疗系统股份有限公司 | A kind of CT swivel plate method for testing security and device |
| CN115405146A (en) * | 2022-05-06 | 2022-11-29 | 国核电力规划设计研究院有限公司 | Electric power tower with photovoltaic power generation device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990647A (en) * | 2015-07-04 | 2015-10-21 | 河南科技大学 | Rotary table bearing rolling element load distribution test system |
| CN106017932A (en) * | 2016-08-02 | 2016-10-12 | 哈尔滨理工大学 | Online monitoring and intelligent early-warning system for motor bearing |
| CN109900461A (en) * | 2019-02-27 | 2019-06-18 | 东软医疗系统股份有限公司 | A kind of CT swivel plate method for testing security and device |
| CN115405146A (en) * | 2022-05-06 | 2022-11-29 | 国核电力规划设计研究院有限公司 | Electric power tower with photovoltaic power generation device |
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Application publication date: 20141224 |