CN1055996A - Intelligent tester of attraction characteristics - Google Patents
Intelligent tester of attraction characteristics Download PDFInfo
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- CN1055996A CN1055996A CN 91102587 CN91102587A CN1055996A CN 1055996 A CN1055996 A CN 1055996A CN 91102587 CN91102587 CN 91102587 CN 91102587 A CN91102587 A CN 91102587A CN 1055996 A CN1055996 A CN 1055996A
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- circuit
- base plate
- housed
- sensor
- microcomputer
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Abstract
A kind of intelligent tester of attraction characteristics is that the piece fixture worktable is housed on the support base plate, and this worktable can make test specimen finish the adjustment of X-Y-Z direction.The rotating shaft that sample stent is installed is housed on the shaft seating that is packed on the support base plate, and its two ends are installed with respectively decides rotation angle mechanism, torque sensor and rotary angle transmitter, and test specimen and sensor are connected with MICROCOMPUTER PROCESSING, data presentation, print circuit.This tester is easy to use, and test accurately, and is multiple functional, has intelligent characteristics.Be applicable to the rotary type ac electromagnetism system of measuring various sizes.
Description
The invention belongs to intelligent tester of attraction characteristics.
At present the survey formula major part to electromagnet suction characteristic still adopts chi and spring balance to measure, and then calculates, the manual drawing family curve, thereby measure inaccurately, and error is big, and labour intensity is big, and efficient is low.A kind of torque sensor is disclosed in the US4887461 patent document, its structure is to have to exchange a magnetizing coil on axle, on the axle sleeve by four inductive coils of forming electric bridge, when axle and measured piece rotate together, in inductive coil, produce induced voltage, thereby change the relative position of axle sleeve and axle, thereby thereby the mutual inductance that changes two coils obtain the size of moment.This inductor can only use as an element, also must mix the mechanical mechanism and the metering circuit of measurement as measuring moment.Make an element utilization structure complexity, cost height separately.Disclose a kind of general measurement instrument in the WO88/09489 patent document, this table is the electrical quantity with MICROCOMPUTER PROCESSING method metering circuit or element, but the pull characteristics that can not test electromagnet.
The objective of the invention is to overcome weak point of the prior art and a kind of employing MICROCOMPUTER PROCESSING method is provided, show various data accurately and draw characteristic tester of attraction characteristics.
The object of the present invention is achieved like this:
The structure of intelligent tester of attraction characteristics is working plate to be housed having on the support base plate of slideway, be fixed with guide pillar on the working plate, the other end of guide pillar is equipped with and is provided with the anchor clamps base plate of adjusting slotted hole, piece fixture is housed on it, the middle slide that the adjusting leading screw passes on the support base plate is connected with the anchor clamps base plate with working plate, on two shaft seatings that are packed on the support base plate, rotating shaft is housed, on the adjustment slotted hole of rotating shaft middle part the test specimen armature bracket is housed, one end of rotating shaft is connected with sensor holder on being packed in base plate by elastic coupling, angular transducer is housed on the sensor holder, the other end is connected with torque sensor by axle sleeve, one end of torque sensor connects to be decided to be contained on the sensor holder that is packed on the support base plate behind the angle lever, also be equipped with on the sensor holder top with decide that angle lever one end offsets decide the angle leading screw, angular transducer is connected with the interior computer processing circuit of cable and electric appliance box with torque sensor, and its circuit output is connected with digital display circuit.
The method of attachment of test circuit is that the output of the angular transducer on the tester mechanical mechanism inserts microcomputer and interface circuit by cable; the output of its torque sensor inserts amplifying circuit with lead; amplifying circuit output connects analog to digital conversion circuit; logic control circuit one termination is gone into microcomputer and interface circuit; another termination measured piece; be connected to current sensor and voltage sensor between measured piece and the linear rectification circuit; the output of linear rectification circuit connects analog to digital conversion circuit; analog to digital conversion circuit output connects microcomputer and interface circuit, microcomputer and interface circuit output circuit closer moment of torsion display circuit; the corner display circuit; voltage display circuit; current display circuit; printer and power failure protection circuit.
The drawing of accompanying drawing is described as follows:
Fig. 1 is a front schematic view of the present invention;
Fig. 2 is that Figure 1A is to view;
Fig. 3 is the rotation angle mechanism synoptic diagram;
Fig. 4 is an electric appliance box front view of the present invention;
Fig. 5 is that the B of Fig. 4 is to view;
Fig. 6 is a circuit block diagram of the present invention;
Fig. 7, Fig. 8, Fig. 9, Figure 10 are circuit theory diagrams of the present invention.
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail:
On support 1, installing the base plate 3 of three slideways, working plate 4 is housed on the base plate, be fixed with four guide pillars 5 on the working plate, the other end of guide pillar is equipped with the anchor clamps base plate 7 that is provided with the adjustment slotted hole at 6 places, installing piece fixture 8 by the adjustment slotted hole on the base plate with bolt, the middle slide that adjusting leading screw 9 passes on the base plate is connected with the anchor clamps base plate with working plate.Be packed on two shaft seatings 10 on the base plate rotating shaft 11 is housed, installing test specimen armature bracket 13 on the adjustment slotted hole at 12 places, middle part of rotating shaft.One end of rotating shaft is connected with sensor holder 15 by elastic coupling 14, and angular transducer 16 is housed on sensor holder.The other end of rotating shaft is connecting torque sensor 18 by axle sleeve 17, and the other end of torque sensor is equipped with decides angle lever 19 and sensor holder 20.Also be equipped with on the sensor holder and decide angle leading screw 21.The top of deciding the angle screw mandrel offsets with an end of deciding angle lever, by changing the angle of deciding angle lever, changes the distance between the measured piece.
23 places are control knobs on the panel of electric appliance box 22, and 24 places are zeroing knobs, and 25 places are power switches, and 26 places are that moment of torsion shows, 27 places are that corner shows, 28 places are that voltage shows, 29 places are that electric current shows.
Test circuit schematic diagram such as Fig. 7, Fig. 8, Fig. 9, shown in Figure 10." SPCJX " is the test specimen coil among Fig. 7, and its " leading to " " breaks " by relay J
1Control, the voltage on the coil connects voltage sensor (by R
1, R
2And R
3Form), coil current connects current sensor (by R
5, R
6, R
7, R
8Form).And through relay J
3Contact J
3-1Switch respectively the current signal after voltage after partial, the shunting is delivered to linear rectifier LZIN.
The torque sensor signal is after " 335 " amplifier amplifies, by relay J
4Contact J
4-1, J
4-2Switching and the LZOUT signal behind linear rectifier rectification are sent into eight line drives 244 that Fig. 8 sent into the digital quantity of conversion by analog to digital converter 7135,7135 respectively
1, 244
2, linking to each other with single-chip microcomputer 8048DB by data bus by them, keyboard is by 244
3DB links to each other with bus, and angular transducer OPTCODER input signal is by 244
4Connect bus DB, the printer output mouth is linked to each other with bus DB by latch 273.244
1-4With 273 chip selection signal by 4-16 code translator 4515
1Provide.4515
1Link to each other with the single-chip microcomputer 8048 of Fig. 9.Seven road Darlington drivers display MC1413 is used to drive relay J
2, J
3, J
4, its 1-3 termination single-chip processor i/o port P2
4-6Eight D-latchs 373 are formed memory under program expanded circuit, the bus DB of single-chip microcomputer 8048 with EPROM2732 among Fig. 9
0-7By eight same-phase three-state transceivers 245 with data-signal B
5-8Deliver to 4515 of Fig. 8
1A, B, C, D end, with B
1-4Deliver to 244 of Figure 10
5O
1-4End, the BCD-7 section among Figure 10 latchs/deciphers/driver 4511
1-16With seven-segment display LED
1-16Form display circuit, 4511
1Chip selection signal by 4-16 code translator 4515
2Provide.More than 4 figure constitute the circuit part of tester.
During use, tested armature is contained on the test specimen armature bracket, can on the adjusting slotted hole of rotating shaft, changes armature bracket according to the test specimen size.The test specimen iron core is contained on the piece fixture, anchor clamps can according in the adjusting slotted hole of size on base plate of iron core along the directions X adjustment.The anchor clamps base plate can move in guide pillar upper edge Z direction and adjust, and fixes by the leading screw self-locking.Working plate can move up and down along the Y direction in the slideway on the support base plate, uses bolt then.Therefore this device can be according to the sample dimensions size, and realization X-Y-Z direction is freely adjusted.After test specimen installs, rotate and decide angle leading screw and self-locking, make and decide angle of angle lever drive rotating shaft rotation, tested armature and iron core leave a distance, energized, iron core and armature attract each other, rotating shaft is rotated, driving torque is sent into microprocessor system by torque sensor, show with numeral by the demonstration of the moment of torsion on the electric appliance box panel, deciding angle that the angle leading screw rotates sends into microprocessor system by angular transducer and shows by the angle on the electric appliance box panel and show with numeral, electric current in the test specimen coil, voltage passes through current sensor, voltage sensor, through amplifying circuit, microprocessor system is at electric current, voltage shows that sentencing numeral shows, if corner is progressively adjusted to hard-over from zero degree, the moment of torsion in the time of can recording different corner, electric current, magnitude of voltage, enable printer, get final product output characteristic curve M=f(θ) or F=f(θ), F=f(I).
The measurement range of tester of the present invention is as follows:
Moment: 0-500 Newton meter;
Precision is respectively 0.05%, 0.1%, 0.5% Three Estate;
Corner: 0-360 degree;
Angle error (root-mean-square error) ± 15 ', ± 20 ', ± 40 ' Three Estate;
Magnetizing coil voltage: 0-660 volt, precision ± 0.0025%;
Magnetizing coil electric current: 0-10 ampere, precision ± 0.0025%.
The present invention compared with prior art has the following advantages:
This tester is easy to use, test is rapid, can show corner, moment, electric current and voltage with numeral simultaneously; And can print as required characteristic curve; Microcomputer is joined by institute can bear the tasks such as control and management data operation and processing, failure monitoring, self check, error correction simultaneously, has intelligentized function. Be applicable to the rotary type ac electromagnetism system of measuring various sizes.
Claims (2)
1, a kind of intelligent tester of attraction characteristics, it is characterized in that: working plate is housed having on the support base plate of slideway, be fixed with guide pillar on the working plate, the other end of guide pillar is equipped with and is provided with the anchor clamps base plate of adjusting slotted hole, piece fixture is housed on it, the middle slide that the adjusting leading screw passes on the support base plate is connected with the anchor clamps base plate with working plate, on two shaft seatings that are packed on the support base plate, rotating shaft is housed, on the adjustment slotted hole of rotating shaft middle part the test specimen armature bracket is housed, one end of rotating shaft is connected with sensor holder on being packed in base plate by elastic coupling, angular transducer is housed on the sensor holder, the other end is connected with torque sensor by axle sleeve, one end of torque sensor connects to be decided to be contained on the sensor holder that is packed on the support base plate behind the angle lever, also be equipped with on the sensor holder top with decide that angle lever one end offsets decide the angle leading screw, angular transducer is connected with the interior microcomputer data processing circuit of cable and electric appliance box with torque sensor, and its circuit output is connected with digital display circuit.
2; according to the said tester of claim 1; it is characterized in that: the method for attachment of test circuit is: the output of the angular transducer on the tester mechanical mechanism inserts microcomputer and interface circuit by cable; the output of its torque sensor inserts amplifying circuit with lead; amplifying circuit output connects analog to digital conversion circuit; logic control circuit one termination is gone into microcomputer and interface circuit; another termination measured piece; be connected to current sensor and voltage sensor between measured piece and the linear rectification circuit; the output of linear rectification circuit connects analog to digital conversion circuit; analog to digital conversion circuit output connects microcomputer and interface circuit, and microcomputer and interface circuit output connect the moment of torsion display circuit; the corner display circuit; voltage display circuit; current display circuit; printer and power failure protection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91102587 CN1021487C (en) | 1991-04-25 | 1991-04-25 | Intelligent tester of attraction characteristics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91102587 CN1021487C (en) | 1991-04-25 | 1991-04-25 | Intelligent tester of attraction characteristics |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1055996A true CN1055996A (en) | 1991-11-06 |
| CN1021487C CN1021487C (en) | 1993-06-30 |
Family
ID=4905674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91102587 Expired - Fee Related CN1021487C (en) | 1991-04-25 | 1991-04-25 | Intelligent tester of attraction characteristics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1021487C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494604A (en) * | 2011-11-25 | 2012-06-13 | 李瑜芳 | Detection instrument for characteristic of angular transducer |
| CN106568546A (en) * | 2016-11-08 | 2017-04-19 | 上海宇航***工程研究所 | Electromagnet suction measurement system |
| CN108680880A (en) * | 2018-07-24 | 2018-10-19 | 苏州佳祺仕软件技术有限公司 | A kind of magnet tensile test equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101726374B (en) * | 2008-10-30 | 2011-09-14 | 上海立新液压有限公司 | Electromagnet suction characteristic testing device |
-
1991
- 1991-04-25 CN CN 91102587 patent/CN1021487C/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102494604A (en) * | 2011-11-25 | 2012-06-13 | 李瑜芳 | Detection instrument for characteristic of angular transducer |
| CN106568546A (en) * | 2016-11-08 | 2017-04-19 | 上海宇航***工程研究所 | Electromagnet suction measurement system |
| CN108680880A (en) * | 2018-07-24 | 2018-10-19 | 苏州佳祺仕软件技术有限公司 | A kind of magnet tensile test equipment |
| CN108680880B (en) * | 2018-07-24 | 2023-12-29 | 苏州佳祺仕科技股份有限公司 | Magnet tensile test equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1021487C (en) | 1993-06-30 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |