CN1818595A - Bearing vibration realtime recorder - Google Patents
Bearing vibration realtime recorder Download PDFInfo
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- CN1818595A CN1818595A CN 200610049776 CN200610049776A CN1818595A CN 1818595 A CN1818595 A CN 1818595A CN 200610049776 CN200610049776 CN 200610049776 CN 200610049776 A CN200610049776 A CN 200610049776A CN 1818595 A CN1818595 A CN 1818595A
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 9
- 238000012360 testing method Methods 0.000 claims description 21
- 238000003860 storage Methods 0.000 abstract description 4
- 230000000474 nursing effect Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 16
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 241001269238 Data Species 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 241001323319 Psen Species 0.000 description 1
- 239000008186 active pharmaceutical agent Substances 0.000 description 1
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- 239000003990 capacitor Substances 0.000 description 1
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- 230000004069 differentiation Effects 0.000 description 1
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Abstract
A device for recording vibration of bearing in real time consists of power supply module, task button, nursing module of analog signal, micro controller, display module, real time clock module, storage module, alarm lamp and reset circuit .It is featured as connecting said nursing module of analog signal to line of A/D conversion port on micro controller, connecting three buses of address and data as well as control of micro controller correspondingly to lines of address and data as well as control of display module and real time clock module as well as storage module.
Description
[technical field]
The present invention relates to bearing, relate in particular to the bearing vibration test.
[background technology]
Bearing is widely used in commercial production and people's life, all will carry out vibration-testing before bearing dispatches from the factory, to guarantee its quality.At present, the basic bear vibration tester that adopts of bearing vibration test carries out, the bear vibration tester is the important instrument of rolling bearing product quality inspection, its vibration-testing data are to utilize three pointer instruments that vibration (ripple) mean value of three different frequency ranges is shown, and it measures output signal is simulating signal.
The bear vibration tester can only show the mean value of vibration (ripple), peak-peak, the crest factor ratio of mean value (peak-peak with), the parameters such as vibratory impulse number in the unit interval that can not show bear vibration (ripple), can only observe vibrational waveform by external oscillograph, use very inconvenient, test data is also comprehensive inadequately, can not show the sound wave shape of shaking, can not reflect the running quality of bearing comprehensively truly, seriously limit the manufacturing development of rolling bearing.
[summary of the invention]
Purpose of the present invention solves the problems of the prior art exactly, proposes a kind of bearing vibration realtime recorder, can reflect the running quality of bearing comprehensively.
For achieving the above object, the present invention proposes a kind of bearing vibration realtime recorder, comprise power module, testing button, the analog signal conditioner module, microcontroller, display module, real-time clock module, described power module is a circuit supply, the analog signal conditioner module links to each other with the A/D conversion mouthful line of microcontroller, the address of microcontroller, data, control three buses respectively with the address of display module, data, control line is corresponding to link to each other the address of microcontroller, data, control three buses respectively with the address of real-time clock module, data, control line is corresponding to link to each other.
As preferably, described microcontroller is the ADuC841 chip.
As preferably, also comprise memory module, the address of described memory module, data, control line are corresponding with address, data, control three buses of microcontroller respectively to link to each other.
As preferably, described display module comprises LCD control module and LCD display board, and the LCD control module is connected between microcontroller and the LCD display board.
As preferably, described display module comprises LED-Keyboard Control module and LED-finger-board, and LED-Keyboard Control module is connected between microcontroller and the LED-finger-board.
As preferably, also comprise alarm lamp, described alarm lamp links to each other with microcontroller.
As preferably, also comprise serial port module, described serial port module links to each other with microcontroller, is connected with mini-printer on serial port module.
As preferably; described analog signal conditioner module comprises the 3rd amplifier, the 5th integrated filter chip, four high guaily unit, first Schottky tube and second Schottky tube; the 3rd amplifier and coupled resistance are formed a summation operation circuit; the output of this circuit is connected to the input end VIN of the 5th integrated filter chip; the output terminal of the 5th integrated filter chip is connected on the reverse voltage follower circuit of four high guaily unit and corresponding resistor composition, and the output terminal of this circuit is received on the holding circuit of being made up of first Schottky tube and second Schottky tube.
As preferably, also comprise reset circuit, described being connected on the microcontroller.
Beneficial effect of the present invention: the present invention is a digital signal with the bear vibration analog signal conversion of three different frequency scopes in the bear vibration tester, with data presentation on display module, the vibration wave and the sound wave that shakes are presented on the LCD display board, effective value, peak value, crest factor and the umber of pulse of the vibration wave of three frequency ranges and the sound wave that shakes show with charactron, carry out record simultaneously.Microprocessor adopts the ADuC841 chip of excellent performance, and calculation process speed is faster, has improved about 20 times, can show more waveform in the identical time, if adopt the ADuC812 chip, because arithmetic speed does not catch up with, must delete several sampled datas by dot interlace, cause the part signal distortion easily.Memory capacity is bigger, can support more RAM, is beneficial to expansion from now on, and simultaneity factor is more stable, and data accuracy is higher.Memory module is carried out real-time storage to the data of test, alarm lamp is set the bearing products of test failure is carried out Realtime Alerts, reminds the tester, and can differentiate automatically as required, statistical treatment and printing.The present invention is easy to use, and test data comprehensively, accurately can reflect the running quality of bearing comprehensively truly, helps the control of Production of bearing quality, has promoted the manufacturing development of rolling bearing.
Feature of the present invention and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is the block diagram of a kind of bearing vibration realtime recorder of the present invention;
Fig. 2 is the circuit theory diagrams of microcontroller and peripheral circuit thereof in a kind of bearing vibration realtime recorder of the present invention;
Fig. 3 is the circuit theory diagrams of one road analog signal channel in a kind of bearing vibration realtime recorder of the present invention;
Fig. 4 is the circuit theory diagrams of memory module in a kind of bearing vibration realtime recorder of the present invention;
Fig. 5 is the circuit theory diagrams of real-time clock module in a kind of bearing vibration realtime recorder of the present invention;
Fig. 6 is the circuit theory diagrams of LCD control module and demonstration in a kind of bearing vibration realtime recorder of the present invention;
Fig. 7 is the circuit theory diagrams of LED-Keyboard Control display module in a kind of bearing vibration realtime recorder of the present invention.
[embodiment]
Be illustrated in figure 1 as the block diagram of a kind of bearing vibration realtime recorder of the present invention; Comprise power module 1, testing button 2, analog signal conditioner module 3, microcontroller 4, display module 5, real-time clock module 6, described power module 1 is a circuit supply, analog signal conditioner module 3 links to each other with the A/D conversion mouthful line of microcontroller 4, the address of microcontroller 4, data, control three buses are corresponding continuous with address, data, the control line of display module 5 respectively, and the address of microcontroller 4, data, control three buses are corresponding continuous with address, data, the control line of real-time clock module 6 respectively.Described microcontroller 4 is the ADuC841 chip.Also comprise memory module 7, the address of described memory module 7, data, control line are corresponding with address, data, control three buses of microcontroller 4 respectively to link to each other.Described display module 5 comprises LCD control module 51 and LCD display board 52, and LCD control module 51 is connected between microcontroller 4 and the LCD display board 52.Described display module 5 comprises LED-Keyboard Control module 53 and LED-finger-board 54, and LED-Keyboard Control module 53 is connected between microcontroller 4 and the LED-finger-board 54.Also comprise alarm lamp 8, described alarm lamp 8 links to each other with microcontroller 4.Also comprise serial port module 9, described serial port module 9 links to each other with microcontroller 4, is connected with mini-printer on serial port module 9.Described analog signal conditioner module 3 comprises the 3rd amplifier U3, the 5th integrated filter chip U5, four high guaily unit U4, the first Schottky tube D1 and the second Schottky tube D2; the 3rd amplifier U3 and coupled resistance are formed a summation operation circuit; the output of this circuit is connected to the input end VIN of the 5th integrated filter chip U5; the output terminal of the 5th integrated filter chip U5 is connected on the reverse voltage follower circuit of four high guaily unit U4 and corresponding resistor composition, and the output terminal of this circuit is received on the holding circuit of being made up of the first Schottky tube D1 and the second Schottky tube D2.Also comprise reset circuit 10, described being connected on the microcontroller 4.During work, enter the A/D conversion mouth of microcontroller 4 by analog signal conditioner module 3 by the three frequency range vibration signals of bear vibration tester output or the tone signal of shaking, microcontroller 4 will be presented on the LCD display board 52 by the data in real time that A/D conversion mouth collects, and the crest factor of the effective value of the peak-peak of current each frequency range, waveform and umber of pulse, current demand signal is presented on the charactron of LED-finger-board 54.When peak value or effective value or crest factor surpass the value that sets, system will report to the police to the tester by alarm lamp 8.Whole test process is controlled by testing button 2, press testing button 2 systems and just test, release button system 2 just with current measured data storage in the storer of memory module 7.So just solved vibrational waveform or the record problem of the real-time demonstration of the sound wave shape of shaking and test data.Button on the LED-finger-board 54 and LCD display board 52 are formed the man-machine interface with user interactions together, and the user such as enters and check, adds up, prints, is provided with at function by button, show the test data of being preserved when checking on LCD display board 52 in batches; The data of being preserved are added up during statistics, statistical result showed is on LCD display board 52 in batches; During printing, specify the data that will print to print by mini-printer the user, being provided with then is that various parameters to system are provided with.
Be illustrated in figure 2 as the circuit theory diagrams of microcontroller in a kind of bearing vibration realtime recorder of the present invention and peripheral circuit thereof; Microcontroller 4 adopts the ADuC841 chip of excellent performance, compare with the ADuC812 chip, calculation process speed is faster, improved about 20 times, can show more waveform in the identical time, if adopt the ADuC812 chip, because arithmetic speed does not catch up with, must delete several sampled datas by dot interlace, cause the part signal distortion easily.Memory capacity is bigger, can support more RAM, is beneficial to expansion from now on, and simultaneity factor is more stable, and data accuracy is higher.ADC0-ADC3 is the A/D conversion mouthful line of microcontroller 4, links to each other with the output signal of analog signal conditioner module 3.The RESET pin of microcontroller 4 links to each other with reset circuit 10, and reset circuit 10 is made of chip ADM809.The P3.0 pin of microcontroller 4 links to each other with input with the output of serial port module 9 respectively with the P3.1 pin, and serial port module 9 adopts the MAX202E chip.The P3.2 pin of microcontroller 4 is connected to the socket of one 3 pin by optocoupler U15, is used to connect testing button 2, and the P3.4 pin directly is connected to the socket of one 3 pin, and warning lamp 8 is used to be informed of a case.
Be illustrated in figure 3 as the circuit theory diagrams of one road analog signal channel in a kind of bearing vibration realtime recorder of the present invention; This be wherein a road, other is three the tunnel identical.Analog signal conditioner module 3 is made up of four tunnel analog channels that are used to import low frequency, intermediate frequency, high-frequency vibration signal and the tone signal of shaking.The 3rd amplifier U3 and coupled resistance are formed a summation operation circuit; the output of this circuit is connected to the input end VIN of the 5th integrated filter chip U5; the output terminal of the 5th integrated filter chip U5 is connected on the reverse voltage follower circuit of being made up of four high guaily unit U4 and corresponding resistor; the output terminal of this circuit is received on the holding circuit of being made up of the first Schottky tube D1 and the second Schottky tube D2; and then being connected to the RC circuit of forming by the tenth resistance R 10 and the 12 capacitor C 12, the output of RC circuit directly links to each other with the A/D conversion mouthful line of microcontroller 4.The 3rd amplifier U3 and four high guaily unit U4 adopt OP491, and the 5th integrated filter chip U5 adopts LTC1063.
Be illustrated in figure 4 as the circuit theory diagrams of memory module in a kind of bearing vibration realtime recorder of the present invention; Memory module 7 main by the 18 data-carrier store U18, the 19 program storage U19, the 20 storer U20 and the 21 storer U21 that are used to preserve test gained data form.The P0 mouth line of microcontroller 4 is connected to A0 to the A7 pin of the 18 data-carrier store U18,19 program storage U19, the 20 storer U20, the 21 storer U21 by the 16 latch U16.P2.0 to the P2.6 mouth line of microcontroller 4 and the 18 data-carrier store U18, the 19 program storage U19, the 20 storer U20, the 21 storer U21 A8 to A14 pin link to each other.P2.7 mouth line links to each other with the A15 pin of the 20 storer U20 and the 21 storer U21.The P2 mouth line of microcontroller is also received the 17 latch U17, Q0 to Q2 in the output signal of the 17 latch U17 is connected to A16 to the A18 pin of the 20 storer U20 and the 21 storer U21, Q3 to Q5 is connected to the 22 decoder chip U22, from the Y0 of the 22 decoder chip U22 output is the chip selection signal of the 18 data-carrier store U18, Y1 is the 20 storer U20 of U20, Y2 is the chip selection signal of the 21 storer U21, Y3 and Y4 are the chip selection signals of two main chip in the LED-Keyboard Control module 53, Y6 is the chip selection signal of LCD control module 51, and Y7 is the chip selection signal of real-time clock module 6.The P0 mouth of microcontroller 4 also directly links to each other with DQ0 to the DQ7 pin of I/O0 to I/O7 pin, the 20 storer U20 and the 21 storer U21 of D0 to the D7 pin of the 18 data-carrier store U18, the 19 program storage U19.The P3.6 of microcontroller 4, P3.7 pin link to each other with the 18 data-carrier store U18, the 20 storer U20, the WE of the 21 storer U21, OE pin.The PSEN pin of microcontroller 4 links to each other with the OE pin of the 19 program storage U19.The 16 latch U16 and the 17 latch U17 all adopt the 74HC573 chip, the 18 data-carrier store U18 adopts 62256 chips, the 19 program storage U19 adopts the AT28C256 chip, the 20 storer U20 and the 21 storer U21 all adopt SST28SF040A, and the 22 decoder chip U22 adopts the 74HC138 chip.
Be illustrated in figure 5 as the circuit theory diagrams of real-time clock module in a kind of bearing vibration realtime recorder of the present invention; Real-time clock module 6 mainly is made of the 23 chip U23, the 23 chip U23 selects the DS12887 chip for use in the present embodiment, its AD0 to AD7 links to each other with the P0 mouth of microcontroller 4, and AS, DS, R/W link to each other with ALE, P3.7, the P3.6 of microcontroller 4 respectively.
Be illustrated in figure 6 as the circuit theory diagrams of LCD control module and demonstration in a kind of bearing vibration realtime recorder of the present invention; LCD control module 51 has been selected SED1335 graphic dot matrix LCD control panel for use in the present embodiment, on master control borad, there is interface coupled, the 3rd socket JP3 is the connector of one 18 core, be used to connect the LCD control panel 52 of SED1335 graphic dot matrix, the Q0 pin of the 16 latch U16 links to each other with the 4th pin of the 3rd socket JP3, the P3.6 of microcontroller 4 links to each other with the 5th, 6 pin of the 3rd socket JP3 with P3.7, the P0 mouth of microcontroller 4 links to each other with the 7th to 14 pin of the 3rd socket JP3, and the Y6 pin of the 22 decoder chip U22 links to each other with the 15th pin of the 3rd socket JP3.The second socket J2 is the connector of 3 cores, is used for connecing one 20 kilo-ohms potentiometer, the contrast that can regulate LCD with this potentiometer.
Be illustrated in figure 7 as the circuit theory diagrams of LED-Keyboard Control display module in a kind of bearing vibration realtime recorder of the present invention; LED-Keyboard Control module 53 mainly is made of two 8279 chips, Figure 7 shows that the circuit theory diagrams of a slice wherein and attached chip thereof, and the circuit theory diagrams of a slice are similar with it in addition.The DB0 to DB7 of the 28 chip U28 links to each other with the P0 mouth of microcontroller 4 among Fig. 7, and the IRQ pin is connected to the P3.3 pin of microcontroller 4 after by the 74HC04 chip, is used to produce button and interrupts.The CS pin of the 28 chip U28 links to each other with the Y3 pin of the 22 decoder chip U22, RD links to each other with the P3.6 pin with the P3.7 of microcontroller 4 with the WR pin, the A0 pin links to each other with the Q0 pin of the 16 latch U16, the CLK pin links to each other with the ALE pin of microcontroller 4, OUTA0 to OUTA3 pin, OUTB0 to the OUTB3 pin of the 28 chip U28 all will be connected to 7407 chips, and it is luminous that the output of 7407 chips is used for driving LED.The SL0 to SL3 of the 28 chip U28 is connected to A0 to the A3 pin of a slice 74HC154, and the Y0 to Y13 of 74HC154 will be connected to the input end of 75451 chips, and 75451 output signal is as selecting signal, is used for selecting the LED charactron that will light.The SL0 to SL2 of the 28 chip U28 also is connected to A, B, the C pin of 74HC138, and its output Y0 to Y7 is as the horizontal scanning line of keyboard.The RL0 to RL2 of the 28 chip U28 is connected to Y1 to the Y3 pin of 74LS244, and A1 to the A3 pin of 74LS244 connects the alignment of keyboard.More than all signal wires that will meet keyboard and LED all be connected to a socket earlier, link to each other with the LED-finger-board by this socket.In the present embodiment, be 24 buttons and 34 common cathode LED charactrons on the LED-finger-board 54, be used for peak value, effective value, umber of pulse and total crest factor that the user imported and showed each passage.LCD display board 52 has adopted the single color LCD of 320 * 240 dot matrix, and model is SF3202401SLCW, is used for showing real-time wave, and and LED-finger-board 54 on button form man-machine interface with user interactions together.Mini-printer is used to print recorded data and statistics.
Carrying out bear vibration when test, the present invention is connected with the bear vibration tester, energized can be on its panel three frequency ranges of complete this bearing of demonstration vibration wave with shake sound wave and effective value, peak value, crest factor and umber of pulse.Realize man-machine conversation by button on the panel and display screen, set test request, can realize functions such as data recording, differentiation automatically, storage, statistical treatment and printing.
Above-mentioned embodiment is to further specify of the present invention, is not to concrete qualification of the present invention, any to this circuit simple transformation or replace distortion after product all belong to protection scope of the present invention.
Claims (10)
1. bearing vibration realtime recorder, it is characterized in that: comprise power module (1), testing button (2), analog signal conditioner module (3), microcontroller (4), display module (5), real-time clock module (6), described power module (1) is a circuit supply, analog signal conditioner module (3) links to each other with the A/D conversion mouthful line of microcontroller (4), the address of microcontroller (4), data, control three buses respectively with the address of display module (5), data, control line is corresponding to link to each other the address of microcontroller (4), data, control three buses respectively with the address of real-time clock module (6), data, control line is corresponding to link to each other.
2. a kind of bearing vibration realtime recorder as claimed in claim 1 is characterized in that: described microcontroller (4) is the ADuC841 chip.
3. a kind of bearing vibration realtime recorder as claimed in claim 2, it is characterized in that: also comprise memory module (7), the address of described memory module (7), data, control line are corresponding with address, data, control three buses of microcontroller (4) respectively to link to each other.
4. as claim 1 or 2 or 3 described a kind of bearing vibration realtime recorders, it is characterized in that: described display module (5) comprises LCD control module (51) and LCD display board (52), and LCD control module (51) is connected between microcontroller (4) and the LCD display board (52).
5. as claim 1 or 2 or 3 described a kind of bearing vibration realtime recorders, it is characterized in that: described display module (5) comprises LED-Keyboard Control module (53) and LED-finger-board (54), and LED-Keyboard Control module (53) is connected between microcontroller (4) and the LED-finger-board (54).
6. a kind of bearing vibration realtime recorder as claimed in claim 4, it is characterized in that: described display module (5) also comprises LED-Keyboard Control module (53) and LED-finger-board (54), and LED-Keyboard Control module (53) is connected between microcontroller (4) and the LED-finger-board (54).
7. as claim 1 or 2 or 3 or 6 described a kind of bearing vibration realtime recorders, it is characterized in that:
Also comprise alarm lamp (8), described alarm lamp (8) links to each other with microcontroller (4).
8. as claim 1 or 2 or 3 or 6 described a kind of bearing vibration realtime recorders, it is characterized in that:
Also comprise serial port module (9), described serial port module (9) links to each other with microcontroller (4), is connected with mini-printer on serial port module (9).
9. as claim 1 or 2 or 3 or 6 described a kind of bearing vibration realtime recorders, it is characterized in that:
Described analog signal conditioner module (3) comprises the 3rd amplifier (U3); the 5th integrated filter chip (U5); four high guaily unit (U4); first Schottky tube (D1) and second Schottky tube (D2); the 3rd amplifier (U3) and coupled resistance are formed a summation operation circuit; the output of this circuit is connected to the input end VIN of the 5th integrated filter chip (U5); the output terminal of the 5th integrated filter chip (U5) is connected on the reverse voltage follower circuit of four high guaily unit (U4) and corresponding resistor composition, and the output terminal of this circuit is received on the holding circuit of being made up of first Schottky tube (D1) and second Schottky tube (D2).
10. as claim 1 or 2 or 3 or 6 described a kind of bearing vibration realtime recorders, it is characterized in that: also comprise reset circuit (10), described being connected on the microcontroller (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610049776 CN1818595A (en) | 2006-03-10 | 2006-03-10 | Bearing vibration realtime recorder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610049776 CN1818595A (en) | 2006-03-10 | 2006-03-10 | Bearing vibration realtime recorder |
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| CN1818595A true CN1818595A (en) | 2006-08-16 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749506A (en) * | 2012-07-10 | 2012-10-24 | 上海市电力公司 | Direct current digital signal sampling circuit |
| CN109844487A (en) * | 2016-10-11 | 2019-06-04 | Abb瑞士股份有限公司 | The judgement of faulty bearings |
-
2006
- 2006-03-10 CN CN 200610049776 patent/CN1818595A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102749506A (en) * | 2012-07-10 | 2012-10-24 | 上海市电力公司 | Direct current digital signal sampling circuit |
| CN109844487A (en) * | 2016-10-11 | 2019-06-04 | Abb瑞士股份有限公司 | The judgement of faulty bearings |
| US12013308B2 (en) | 2016-10-11 | 2024-06-18 | Abb Schweiz Ag | Decision of faulty bearing |
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Owner name: HANGZHOU ZHAOFENG AUTOMOBILE ACCESSORIES MANUFACT Free format text: FORMER OWNER: KANG NAIZHENG; APPLICANT Effective date: 20080905 |
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Effective date of registration: 20080905 Address after: Hangzhou City, Zhejiang Province, South Block of Xiaoshan economic and Technological Development Zone Zhaofeng Road No. 6 post encoding: 311232 Applicant after: Hangzhou Zhaofeng Auto Parts Manufacturing Co., Ltd. Address before: 9-3-701, Zhongjiang garden, Ring East Road, Xiacheng District, Zhejiang City, Hangzhou Province, China: 310004 Applicant before: Kang Ma Zheng Co-applicant before: Xu Jun Co-applicant before: Yu Lu |
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