CN2876704Y - Corner measurer and detector with same - Google Patents
Corner measurer and detector with same Download PDFInfo
- Publication number
- CN2876704Y CN2876704Y CN 200520091379 CN200520091379U CN2876704Y CN 2876704 Y CN2876704 Y CN 2876704Y CN 200520091379 CN200520091379 CN 200520091379 CN 200520091379 U CN200520091379 U CN 200520091379U CN 2876704 Y CN2876704 Y CN 2876704Y
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- circuit
- outer corner
- measurement instrument
- corner measurement
- chip microcomputer
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Abstract
The utility model provides a corner measurer. It is characterized in that it is mainly composed of a section distinguish circuit, an absolute-value transform circuit, a pulse-width generating circuit, a single chip processor and an electrical measuring instrument. The measured signal enters into the section distinguish circuit and the pulse-width generating circuit respectively through the absolute-value transform circuit. The section signal generated by the section distinguish circuit and the angle signal generated by the pulse-width generating circuit go into the single chip processor separately through the interface circuit. the output signal of the single chip processor can be displayed on the electrical measuring instrument. The utility model has the advantages that it adopts electronic technology and has high accuracy, low cost, wearing-free, and is not easy to be damaged. Meanwhile higher accuracy is attained than electron-seperating angle measuring instrument because of the use of non-linear correcting program and the program preventing mis-jumping in the single chip processor.
Description
Technical field
The utility model relates to the detection technique of rotary angle transmitter.
Background technology
The pick-up unit of present excitation selsyn sensor, constitute by angle position indicator, outer corner measurement instrument, power panel, 400Hz power supply and voltage table, wherein the outer corner measurement instrument is mechanical, mainly with pot angular transition is become voltage or electric current output with gear.For accurate excitation selsyn sensor, need very accurate gear and pot, in frequent detection middle gear and pot wearing and tearing and damage easily, the cost that accurate gear is made is very also long with the cycle.
Summary of the invention
The purpose of this utility model is to provide a kind of outer corner measurement instrument that adopts electronization.
The utility model provides a kind of outer corner measurement instrument, it is characterized in that: comprise that mainly interval judging circuit, absolute value translation circuit, pulsewidth produce circuit, single-chip microcomputer and electrical measuring instrument; Measured signal enters interval judging circuit and pulsewidth generation circuit respectively through absolute value transform circuit, the angle signal that wayside signaling that interval judging circuit produces and pulsewidth produce the circuit generation enters single-chip microcomputer by interface respectively, and the output of single-chip microcomputer shows with electrical measuring instrument.
The outer corner measurement instrument that the utility model provides, its single-chip microcomputer adopts 89C51 series.
The outer corner measurement instrument that the utility model provides, its interval judging circuit are meant judging circuit, 3 angular interval judging circuits and 6 angular interval judging circuits between 0 °～180 ° logic areas.
The outer corner measurement instrument that the utility model provides, its pulsewidth produce circuit and are meant that 6 tunnel pulsewidths produce circuit.
The outer corner measurement instrument that the utility model provides, its electrical measuring instrument can be digital voltmeter or digital electronic ammeter.
The outer corner measurement instrument that the utility model provides has the D/A change-over circuit between its single-chip microcomputer and the electrical measuring instrument, electrical measuring instrument is pointer voltage table or pointer reometer.
The utility model also provides a kind of pick-up unit of excitation selsyn sensor, is made of angle position indicator, outer corner measurement instrument, power panel and 400Hz power supply; Tested excitation selsyn sensor and angle position indicator be connected, the angle position indicator shows the angle of rotation synchronously by the angle signal of tested excitation selsyn sensor, the outer corner measurement instrument shows the angle signal of tested excitation selsyn sensor with magnitude of voltage, the 400Hz power supply is given angle position indicator, outer corner measurement instrument and the power supply of tested excitation selsyn sensor, and power panel is given outer corner measurement instrument and the power supply of 400Hz power supply; It is characterized in that: described outer corner measurement instrument comprises that mainly interval judging circuit, absolute value translation circuit, pulsewidth produce circuit, single-chip microcomputer and electrical measuring instrument; Measured signal produces circuit through absolute value transform circuit, interval judging circuit, pulsewidth and enters single-chip microcomputer by interface, and the output of single-chip microcomputer shows with electrical measuring instrument.
The utility model provides the pick-up unit of a kind of excitation selsyn sensor and rotary transformer sensor in addition, is made of angle position indicator, outer corner measurement instrument, power panel, 400Hz power supply and voltage table; Tested excitation selsyn sensor is connected with the outer corner measurement instrument with the angle position indicator, the angle position indicator shows the angle of rotation synchronously by the angle signal of tested excitation selsyn sensor, the outer corner measurement instrument shows the angle signal of tested excitation selsyn sensor with magnitude of voltage, electric meter shows the electricity value with respect to the rotary transformer corner, the 400Hz power supply is given the angle position indicator, outer corner measurement instrument and tested excitation selsyn sensor, tested rotary transformer power supply, power panel is given outer corner measurement instrument and the power supply of 400Hz power supply, and the output of tested rotary transformer is received on the voltage table; It is characterized in that: described outer corner measurement instrument comprises that mainly interval judging circuit, absolute value translation circuit, pulsewidth produce circuit, single-chip microcomputer and electrical measuring instrument; Measured signal produces circuit through absolute value transform circuit, interval judging circuit, pulsewidth and enters single-chip microcomputer by interface, and the output of single-chip microcomputer shows with electrical measuring instrument.
Tested excitation selsyn sensor is connected with the outer corner measurement instrument, the angle position indicator shows the angle of rotation synchronously by the angle signal of tested excitation selsyn sensor, the outer corner measurement instrument shows the angle signal of tested excitation selsyn sensor with magnitude of voltage, electric meter shows the magnitude of voltage of relative rotary transformer corner, the 400Hz power supply is given angle position indicator, outer corner measurement instrument and the power supply of tested excitation selsyn sensor, and power panel is given outer corner measurement instrument and the power supply of 400Hz power supply; It is characterized in that: described outer corner measurement instrument comprises that mainly interval judging circuit, absolute value translation circuit, pulsewidth produce circuit, single-chip microcomputer.During use the three-phase output signal of excitation selsyn sensor is received on angle position indicator and the outer corner measurement instrument simultaneously, angle position indicator and outer corner measurement instrument provide corner and magnitude of voltage respectively, go out all points in angle magnitude of voltage chart upper mark in view of the above, determine the quality of tested excitation selsyn sensor by putting the linearity that is distributed; The rotary transformer signal of sensor is received on the voltage table,, determined the quality of tested rotary transformer sensor the magnitude of voltage contrast of corresponding magnitude of voltage of angle given on the rotary transformer sensor and voltage table.
The advantage of the pick-up unit of outer corner measurement instrument that the utility model provides and excitation selsyn sensor is: adopts advanced electronic technology, guarantees the degree of accuracy of outer corner measurement instrument and pick-up unit, and cheap for manufacturing cost, avoid wearing and tearing, not fragile; Owing in single-chip microcomputer, adopted non-linear revision program and prevented interval transfer point mistake saltus step program, obtain than the higher degree of accuracy of the outer corner measurement instrument of electronics separation member and can be between non-0 ° of beginning marker space.
Description of drawings
Fig. 1 is the general diagram of ZJ-2 sensor detecting device;
Fig. 2 is И П-33-05 angle position indicator schematic diagram;
Fig. 3 is the block diagram of ZJ-3 outer corner measurement instrument;
Fig. 4 is the flow chart of 89C51 single-chip microcomputer.
Embodiment
Embodiment 1
A kind of pick-up unit of excitation selsyn sensor (its general diagram is seen Fig. 1) is made of И П-33-05 angle position indicator, ZJ-3 outer corner measurement instrument, power panel and 400Hz power supply; Д C-11B excitation selsyn sensor is connected with ZJ-3 outer corner measurement instrument with И П-33-05 angle position indicator, the angle signal that И П-33-05 angle position indicator is encouraged the selsyn sensor with tested Д C-11B shows the angle (its principle is seen Fig. 2) of rotation synchronously, ZJ-3 outer corner measurement instrument converts the angle signal of tested Д C-11B excitation selsyn sensor to magnitude of voltage, by the electricity value of electric meter (microampere meter) demonstration with respect to the rotary transformer corner, the 400Hz power supply is given И П-33-05 angle position indicator, ZJ-3 outer corner measurement instrument and the power supply of 400Hz power supply are given in ZJ-3 outer corner measurement instrument and the power supply of tested Д C-11B excitation selsyn sensor, power panel.
ZJ-3 outer corner measurement instrument (see figure 3) comprises that judging circuit between standard signal circuit, zero-crossing pulse generator, 0 °～180 ° logic areas, 3 absolute value translation circuits, 3 angular interval judging circuits, 6 angular interval judging circuits, 6 tunnel pulsewidths produce circuit, 89C51 single-chip microcomputer (its program is seen Fig. 4), 12 D/A change-over circuits and microampere meter.
During use, the three-phase output signal of Д C-11B excitation selsyn sensor is received on И П-33-05 angle position indicator and the ZJ-3 outer corner measurement instrument simultaneously, И П-33-05 angle position indicator and ZJ-3 outer corner measurement instrument provide corner and current value respectively, go out all points in angle electric current chart upper mark in view of the above, determine the quality of tested Д C-11B excitation selsyn sensor by putting the linearity that is distributed.
Owing in single-chip microcomputer, adopted non-linear revision program and prevented interval transfer point mistake saltus step program, obtain the higher degree of accuracy of the outer corner measurement instrument that separates than electronics and can be between non-0 ° of beginning marker space.
Claims (9)
1, a kind of outer corner measurement instrument is characterized in that: comprise that interval judging circuit, absolute value translation circuit, pulsewidth produce circuit, single-chip microcomputer and electrical measuring instrument; Measured signal enters interval judging circuit and pulsewidth generation circuit respectively through absolute value transform circuit, the angle signal that wayside signaling that interval judging circuit produces and pulsewidth produce the circuit generation enters single-chip microcomputer by interface respectively, and the output of single-chip microcomputer shows with electrical measuring instrument.
2, according to the described outer corner measurement instrument of claim 1, it is characterized in that: described single-chip microcomputer adopts 89C51 series.
3, according to the described outer corner measurement instrument of claim 1, it is characterized in that: described interval judging circuit is meant judging circuit, 3 angular interval judging circuits and 6 angular interval judging circuits between 0 °～180 ° logic areas.
4, according to the described outer corner measurement instrument of claim 1, it is characterized in that: described pulsewidth produces circuit and is meant that 6 tunnel pulsewidths produce circuit.
5, according to the described outer corner measurement instrument of claim 1, it is characterized in that: described electrical measuring instrument is digital voltmeter or digital electronic ammeter.
6, according to the described outer corner measurement instrument of claim 1, it is characterized in that: described have a D/A change-over circuit between single-chip microcomputer and electrical measuring instrument, electrical measuring instrument is pointer voltage table or pointer reometer.
7, according to the described outer corner measurement instrument of claim 6, it is characterized in that: described D/A change-over circuit is meant 12 D/A change-over circuits.
8, a kind of pick-up unit of excitation selsyn sensor is made of angle position indicator, outer corner measurement instrument, power panel and 400Hz power supply; Tested excitation from complete machine angle transducer and angle position indicator be connected, the angle position indicator shows the angle of rotation synchronously by the angle signal of tested excitation selsyn sensor, the outer corner measurement instrument shows the angle signal of tested excitation selsyn sensor with magnitude of voltage, the 400Hz power supply is given angle position indicator, outer corner measurement instrument and the power supply of tested excitation selsyn sensor, and power panel is given outer corner measurement instrument and the power supply of 400Hz power supply; It is characterized in that: described outer corner measurement instrument comprises that mainly interval judging circuit, absolute value translation circuit, pulsewidth produce circuit, single-chip microcomputer and electrical measuring instrument; Measured signal produces circuit through absolute value transform circuit, interval judging circuit, pulsewidth and enters single-chip microcomputer by interface, and the output of single-chip microcomputer shows with electrical measuring instrument.
9, the pick-up unit of a kind of excitation selsyn sensor and rotary transformer sensor is made of angle position indicator, outer corner measurement instrument, power panel, 400Hz power supply and voltage table; Tested excitation selsyn sensor is connected with the outer corner measurement instrument with the angle position indicator, the angle position indicator shows the angle of rotation synchronously by the angle signal of tested excitation selsyn sensor, the outer corner measurement instrument shows the angle signal of tested excitation selsyn sensor with magnitude of voltage, electric meter shows the electricity value with respect to the rotary transformer corner, the 400Hz power supply is given the angle position indicator, outer corner measurement instrument and the tested excitation selsyn machine sensor of determining, tested rotary transformer power supply, power panel is given outer corner measurement instrument and the power supply of 400Hz power supply, and the output of tested rotary transformer is received on the voltage table; It is characterized in that: described outer corner measurement instrument comprises that mainly interval judging circuit, absolute value translation circuit, pulsewidth produce circuit, single-chip microcomputer and electrical measuring instrument; Measured signal produces circuit through absolute value transform circuit, interval judging circuit, pulsewidth and enters single-chip microcomputer by interface, and the output of single-chip microcomputer shows with electrical measuring instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520091379 CN2876704Y (en) | 2005-06-20 | 2005-06-20 | Corner measurer and detector with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520091379 CN2876704Y (en) | 2005-06-20 | 2005-06-20 | Corner measurer and detector with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2876704Y true CN2876704Y (en) | 2007-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520091379 Expired - Fee Related CN2876704Y (en) | 2005-06-20 | 2005-06-20 | Corner measurer and detector with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2876704Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507459A (en) * | 2018-03-12 | 2018-09-07 | 连云港杰瑞电子有限公司 | A kind of measurement method of selsyn signal angle |
-
2005
- 2005-06-20 CN CN 200520091379 patent/CN2876704Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108507459A (en) * | 2018-03-12 | 2018-09-07 | 连云港杰瑞电子有限公司 | A kind of measurement method of selsyn signal angle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070307 Termination date: 20130620 |