CN204027827U - A kind of bass deep groove ball bearing detection system - Google Patents
A kind of bass deep groove ball bearing detection system Download PDFInfo
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- CN204027827U CN204027827U CN201420492338.9U CN201420492338U CN204027827U CN 204027827 U CN204027827 U CN 204027827U CN 201420492338 U CN201420492338 U CN 201420492338U CN 204027827 U CN204027827 U CN 204027827U
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Abstract
The utility model relates to a kind of bass deep groove ball bearing detection system, comprises a DSP main control unit, vibration transducer 1, vibration transducer 2, signal condition unit 1, signal condition unit 2, monitoring signal conditioning unit 1, monitoring signal conditioning unit 2, audio frequency output 1, audio frequency output 2, temperature sensor, filter and amplification unit, watchdog unit, real-time clock unit, data storage cell, CAN communication unit, spindle motor driver element, load motor driver element, DC-DC power module unit, constant current source module.Control that can be real-time, the running status of monitoring bearing, have that processing accuracy is high, a real-time, the strong advantage of extensibility, detects bearing design parameter test, analysis platform are provided for Production of bearing enterprise.
Description
Technical field
The utility model belongs to mechanical detection technical field, relates in particular to a kind of bass deep groove ball bearing detection system.
Background technology
Rolling bearing is most popular mechanical component in electric power, petrochemical industry, metallurgy, machinery, Aero-Space and some war industry departments, also be the most severe parts of condition of work in plant equipment, it plays a part bearing load and transmitted load in plant equipment, its whether normal operation directly has influence on the performance of entire machine, and the fault of many machineries is all relevant with the state of bearing.As critical component, a glitch of bearing, all may cause chain reaction, causes the even catastrophic destruction of tremendous economic loss.Deep groove ball bearing is a kind of as rolling bearing, its application in fields such as household appliances, computing machine, automobiles is more and more general, China's deep groove ball bearing is compared with Foreign Advanced Lerel, the distinct issues that exist are that vibration values is large, lower tone, the low vibration of maintenance, low noise time are short, can not meet some matched host machine requirements high to noise requirement.
At present domestic have two kinds conventionally to the bearing method detecting of dispatching from the factory, the one, workman is by listening the mode of different sound to differentiate bearing quality quality, not enough workman's the labour intensity that causes on the one hand of this detection mode increases, because workman's overall qualities are uneven, to the differentiation of bearing quality quality, can not provide very high assurance on the other hand.Another kind of mode is to adopt Single plate for load engaging detector, by regular artificial hand holding equipment, bearing is measured, and then the data upload obtaining is analyzed in computing machine.
Problem based on above-mentioned prior art, be necessary to put forward a kind of system that can carry out properties test before bearing dispatches from the factory of development, comprise the test to its load-carrying ability, vibration performance, noise level, working temperature, for bearing dispatches from the factory, provide a set of comprehensive technical parameter standard.The utility model relates generally to the control system that deep groove ball bearing detects.
Summary of the invention
The utility model technical issues that need to address are detections of bass deep groove ball bearing and detect and control, that is: provide a kind of detection system of carrying out product detection before dispatching from the factory for bearing, utilize DSP main control unit and other unit to cooperatively interact, on the basis of the different working condition of simulation, control the motion of spindle motor and load motor, thereby the motion with dynamic bearing, and Real-time Collection bear vibration, temperature signal, store and send to host computer analysis, finally obtain every parameter of dispatching from the factory of bearing.
For achieving the above object, the technical solution adopted in the utility model is: a kind of bass deep groove ball bearing detection system, comprise a DSP main control unit, vibration transducer 1, vibration transducer 2, signal condition unit 1, signal condition unit 2, monitoring signal conditioning unit 1, monitoring signal conditioning unit 2, audio frequency output 1, audio frequency output 2, temperature sensor, filter and amplification unit, watchdog unit, real-time clock unit, data storage cell, CAN communication unit, spindle motor driver element, load motor driver element, DC-DC power module unit, constant current source module.
Further, the piezoelectric acceleration transducer of a kind of novel built-in charge amplifier that described vibration transducer 1 model is KD1010LC, it is connected with signal condition unit 1, signal condition unit 1 comprises bandpass filter and AC signal modulate circuit, for extracting amplitude and the phase place of a road bear vibration; Signal condition unit 1 interconnects with the functional pin 35 that DSP main control unit model is TMS320F28334, realizes the collection of a road bearing vibration signal; The piezoelectric acceleration transducer of a kind of novel built-in charge amplifier that described vibration transducer 2 models are KD1010LC, it is connected with signal condition unit 2, signal condition unit 2 comprises bandpass filter and AC signal modulate circuit, for extracting amplitude and the phase place of two tunnel bear vibration; Signal condition unit 2 interconnects with the functional pin 36 of DSP main control unit, the value of the second tunnel bearing vibration signal is delivered to the analog quantity entrance of DSP.
Further, described monitoring signal conditioning unit 1 is connected with signal condition unit 1, then joins with audio frequency output 1, realizes the output of a road bear vibration audio frequency; Described monitoring signal conditioning unit 2 is connected with signal condition unit 2, then joins with audio frequency output 2, realizes the output of the second tunnel bear vibration audio frequency.
Further, the functional pin 6 and 7 that its model of described watchdog unit is MAX6750K interconnects by functional pin 66 and 80 with DSP main control unit respectively, realizes the reset function of DSP main control unit under nonserviceabling; The functional pin 7 of described watchdog unit interconnects with the functional pin 19 of data storage cell, realizes the reset function to data storage cell; Described watchdog unit functional pin 7 interconnects with the functional pin 9 of CAN communication unit TJA1043T, realizes the reset function to CAN communication unit.
Further, the address date multiplexing pins of described DSP main control unit, logic read-write pin is MT29F2G16AA with its model of data storage cell respectively I/O pin and logic read-write pin interconnect, and realizes logic control, the address of data access and determines and data-transformation facility.
Further, the functional pin 165,162,161,63,62 of described DSP main control unit passes through functional pin 6,8,14 with CAN communication unit respectively, and Isosorbide-5-Nitrae interconnects, and realizes logic control, data transmission and false alarm function that data send.
Further, the functional pin of described DSP main control unit and spindle motor driver element comprise that driving chip A3941KLP and metal-oxide-semiconductor interconnect by functional pin, realize the speed of spindle motor is controlled.
Further, the functional pin of described DSP main control unit and load motor driver element comprise that driving chip A3941KLP and metal-oxide-semiconductor interconnect by functional pin, realize the rotating speed of load motor is controlled.
Further, described DSP main control unit functional pin 6,98,96,97 is DS1306EN with its model of real-time clock unit respectively functional pin 12,14,15,16 pins interconnect, and the time of realizing in Electric Machine Control and data transmission procedure is controlled.
Further, described temperature sensor DS18B20 is connected with filter and amplification unit, then interconnects by functional pin 37 with DSP main control unit, realizes the Real-time Collection function to bearing working temperature.
Further, described its main devices of constant current source module is that LM317 is connected by functional pin with the 5V voltage in DC-DC power module unit, and is connected with vibration transducer 2 with vibration transducer 1, for two vibration transducers provide the voltage source of constant current.
Further, described DC-DC power module unit can produce and comprise 24V, 12V, 5V, 3.3V, 1.9V, the voltage of 1.5V, its respectively with DSP main control unit, signal condition unit 1, signal condition unit 2, monitoring signal conditioning unit 1, monitoring signal conditioning unit 2, audio frequency output 1, audio frequency output 2, temperature sensor, filter and amplification unit, watchdog unit, real-time clock unit, data storage cell, CAN communication unit, spindle motor driver element, load motor driver element is connected by functional pin, be respectively each module operating voltage is provided.
The bass deep groove ball bearing of the utility model embodiment detects control system, owing to comprising DSP main control unit, vibration transducer 1, vibration transducer 2, signal condition unit 1, signal condition unit 2, monitoring signal conditioning unit 1, monitoring signal conditioning unit 2, audio frequency output 1, audio frequency output 2, temperature sensor, filter and amplification unit, watchdog unit, real-time clock unit, data storage cell, CAN communication unit, spindle motor driver element, load motor driver element, DC-DC power module unit, constant current source module, thereby the properties test before realizing bearing and dispatching from the factory, involving vibrations parameter, temperature parameter, load-carrying ability, noise parameters.
The utility model relates to a kind of bass deep groove ball bearing detection system, belongs to mechanical detection technical field.This detection system comprises a DSP main control unit, vibration transducer 1, vibration transducer 2, signal condition unit 1, signal condition unit 2, monitoring signal conditioning unit 1, monitoring signal conditioning unit 2, audio frequency output 1, audio frequency output 2, temperature sensor, filter and amplification unit, watchdog unit, real-time clock unit, data storage cell, CAN communication unit, spindle motor driver element, load motor driver element, DC-DC power module unit, constant current source module.By the control of DSP main control unit, according to certain logical order, control the motion of the motion drive deep groove ball bearing of spindle motor and load motor, the vibration, temperature, the noise that in motion process, detect bearing send to PC analysis by these Parameter storages in data-carrier store and by CAN bus.This detection system is mainly to coordinate relevant mechanical mechanism to complete the measuring ability of the properties before bass deep groove ball bearing dispatches from the factory, system can be real-time control, the running status of monitoring bearing, have that processing accuracy is high, real-time, the strong advantage of extensibility, for Production of bearing enterprise, detect bearing design parameter test, analysis platform be provided.
The further feature of this control system and advantage will be set forth in the following description, and, partly from instructions, become apparent, or understand by implementing the utility model.The purpose of this utility model and other advantages can be realized and be obtained by the instructions write, claims and accompanying drawing.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of this detection system in embodiment;
Fig. 2 is the logical order schematic diagram of this detection system in embodiment.
Embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment, the technical solution of the utility model is described further and is illustrated, but be not limited to this.
According to the utility model embodiment, provide a kind of bass deep groove ball bearing testing process.First, startup system, system is carried out initialization; Then, the number of times of deep groove ball bearing being tested by host computer interface setting, and set spindle motor rotating speed and the load motor rotating speed while at every turn testing, set the time span of each test; Because the test duration is longer, when system, adopt real-time clock unit to produce Interruption; In each loop test process, vibratory output, Temperature Quantity and the noise parameter of DSP main control unit timing acquiring bearing under different operating modes, first these parameters are stored in to data storage cell after the A/D conversion of DSP, then process CAN communication unit sends to data, and host computer is analyzed and feature extraction; Then carry out control and the test of different operating modes next time, until the cycle index of setting finishes.
In sum, the bass deep groove ball bearing of the utility model embodiment detects control system, owing to comprising DSP main control unit, vibration transducer 1, vibration transducer 2, signal condition unit 1, signal condition unit 2, monitoring signal conditioning unit 1, monitoring signal conditioning unit 2, audio frequency output 1, audio frequency output 2, temperature sensor, filter and amplification unit, watchdog unit, real-time clock unit, data storage cell, CAN communication unit, spindle motor driver element, load motor driver element, DC-DC power module unit, constant current source module, thereby the detection before realizing bearing and dispatching from the factory, replace artificial to provide the parameter of bearing to have more confidence level.
Described vibration transducer 1 is connected with signal condition unit 1, then interconnects by functional pin with DSP main control unit, realizes the collection of a road bearing vibration signal; Described vibration transducer 2 is connected with signal condition unit 2, then interconnects by functional pin with DSP main control unit, realizes the collection of another road bearing vibration signal; Described monitoring signal conditioning unit 1 is connected with signal condition unit 1, then joins with audio frequency output 1, realizes the output of a road bear vibration sound; Described monitoring signal conditioning unit 2 is connected with signal condition unit 2, then joins with audio frequency output 2, realizes the output of another road bear vibration sound; Described watchdog unit and DSP main control unit interconnect by functional pin, realize the reset function under nonserviceabling; Described watchdog unit and data storage cell interconnect by functional pin, realize the reset function to data storage cell; Described watchdog unit and CAN communication unit interconnect by functional pin, realize the reset function to CAN communication unit; Described DSP main control unit and data storage cell interconnect by functional pin, realize the transfer function of logic control, address and the data of data access; Described DSP main control unit and CAN communication unit interconnect by functional pin, realize logic control, data-transformation facility that data send; Described DSP main control unit and spindle motor driver element interconnect by functional pin, realize the speed of spindle motor is controlled; Described DSP main control unit and load motor driver element interconnect by functional pin, realize the rotating speed of load motor is controlled; Described DSP main control unit and real-time clock unit interconnect by functional pin, and the time of realizing in Electric Machine Control and data transmission procedure is controlled; Described temperature sensor is connected with filter and amplification unit, then interconnects by functional pin with DSP main control unit, realizes the Real-time Collection function to bearing working temperature; Described constant current source module is connected with vibration transducer 2 with vibration transducer 1 with DC-DC power module unit, for two vibration transducers provide the voltage source of constant current; Described DC-DC power module unit is connected by functional pin with DSP main control unit, signal condition unit 1, signal condition unit 2, monitoring signal conditioning unit 1, monitoring signal conditioning unit 2, audio frequency output 1, audio frequency output 2, temperature sensor, filter and amplification unit, watchdog unit, real-time clock unit, data storage cell, CAN communication unit, spindle motor driver element, load motor driver element respectively, is respectively each module operating voltage is provided.
Finally it should be noted that: the foregoing is only preferred embodiment of the present utility model, be not limited to the present invention, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. a bass deep groove ball bearing detection system, it is characterized in that: comprise a DSP main control unit, vibration transducer 1, vibration transducer 2, signal condition unit 1, signal condition unit 2, monitoring signal conditioning unit 1, monitoring signal conditioning unit 2, audio frequency output 1, audio frequency output 2, temperature sensor, filter and amplification unit, watchdog unit, real-time clock unit, data storage cell, CAN communication unit, spindle motor driver element, load motor driver element, DC-DC power module unit, constant current source module, described vibration transducer 1 is connected with signal condition unit 1, interconnect by functional pin with DSP main control unit again, realize the collection of a road bearing vibration signal, described vibration transducer 2 is connected with signal condition unit 2, interconnect by functional pin with DSP main control unit again, realize the collection of another road bearing vibration signal, described monitoring signal conditioning unit 1 is connected with signal condition unit 1, join with audio frequency output 1 again, realize the output of a road bear vibration sound, described monitoring signal conditioning unit 2 is connected with signal condition unit 2, join with audio frequency output 2 again, realize the output of another road bear vibration sound, described watchdog unit and DSP main control unit interconnect by functional pin, realize the reset function under nonserviceabling, described watchdog unit and data storage cell interconnect by functional pin, realize the reset function to data storage cell, described watchdog unit and CAN communication unit interconnect by functional pin, realize the reset function to CAN communication unit, described DC-DC power module unit is connected by functional pin with DSP main control unit, signal condition unit 1, signal condition unit 2, monitoring signal conditioning unit 1, monitoring signal conditioning unit 2, audio frequency output 1, audio frequency output 2, temperature sensor, filter and amplification unit, watchdog unit, real-time clock unit, data storage cell, CAN communication unit, spindle motor driver element, load motor driver element respectively, is respectively each modular unit operating voltage is provided.
2. bass deep groove ball bearing detection system according to claim 1, is characterized in that, described DSP main control unit and data storage cell interconnect by functional pin, realizes the transfer function of logic control, address and the data of data access.
3. bass deep groove ball bearing detection system according to claim 1, is characterized in that, described DSP main control unit and CAN communication unit interconnect by functional pin, realizes logic control, data-transformation facility that data send.
4. bass deep groove ball bearing detection system according to claim 1, is characterized in that, described DSP main control unit and spindle motor driver element interconnect by functional pin, realizes the speed of spindle motor is controlled.
5. bass deep groove ball bearing detection system according to claim 1, is characterized in that, described DSP main control unit and load motor driver element interconnect by functional pin, realizes the rotating speed of load motor is controlled.
6. bass deep groove ball bearing detection system according to claim 1, is characterized in that, described DSP main control unit and real-time clock unit interconnect by functional pin, and the time of realizing in Electric Machine Control and data transmission procedure is controlled.
7. bass deep groove ball bearing detection system according to claim 1, it is characterized in that, described temperature sensor is connected with filter and amplification unit, then interconnects by functional pin with DSP main control unit, realizes the Real-time Collection function to bearing working temperature.
8. bass deep groove ball bearing detection system according to claim 1, is characterized in that, described constant current source module is connected with vibration transducer 2 with vibration transducer 1 with DC-DC power module unit, for two vibration transducers provide the voltage source of constant current.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420492338.9U CN204027827U (en) | 2014-08-29 | 2014-08-29 | A kind of bass deep groove ball bearing detection system |
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| CN201420492338.9U CN204027827U (en) | 2014-08-29 | 2014-08-29 | A kind of bass deep groove ball bearing detection system |
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| CN204027827U true CN204027827U (en) | 2014-12-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632304A (en) * | 2018-12-25 | 2019-04-16 | 哈尔滨工业大学 | Four-point contact ball running in machine and control method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109632304A (en) * | 2018-12-25 | 2019-04-16 | 哈尔滨工业大学 | Four-point contact ball running in machine and control method |
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Granted publication date: 20141217 Termination date: 20170829 |