CN102607601A - Method for screening iron cores of electromagnetic gyroscope - Google Patents
Method for screening iron cores of electromagnetic gyroscope Download PDFInfo
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- CN102607601A CN102607601A CN2012100949578A CN201210094957A CN102607601A CN 102607601 A CN102607601 A CN 102607601A CN 2012100949578 A CN2012100949578 A CN 2012100949578A CN 201210094957 A CN201210094957 A CN 201210094957A CN 102607601 A CN102607601 A CN 102607601A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000012216 screening Methods 0.000 title claims abstract description 18
- 238000012360 testing method Methods 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 6
- 238000001514 detection method Methods 0.000 abstract 3
- 230000004907 flux Effects 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000005672 electromagnetic field Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The invention relates to a method for screening iron cores of an electromagnetic gyroscope. The method at least comprises a detection circuit (15) and a shell (16), wherein a to-be-tested iron core inserting hole (3) and a standard iron core inserting hole (4) are arranged on the shell (16), the to-be-tested iron core inserting hole (3) and the standard iron core inserting hole (4) are electrically connected with the detection circuit (15), a standard iron core is inserted into the standard iron core inserting hole (4) on a panel, a to-be-tested iron core is inserted into the to-be-tested iron core inserting hole (3) on the panel, and the detection circuit (15) can directly display the difference value between the to-be-tested iron core and the standard iron core on a meter (1). According to the screening method, the magnetic iron cores with certain difference and within the tolerance range can be rapidly screened and classified, thereby improving the precision of electromagnetism balance of the gyroscope, greatly reducing the procedures of multi-time repeated debugging and multi-time replacement of the iron cores and reducing the labor intensity of an operator.
Description
Technical field
The present invention relates to a kind of electromagnetism gyro iron core method for screening that is used for.
Background technology
In the electromagnetism gyro, keeping electromagnetic balance is the basis of electromagnetism gyro work, and the iron core that general symmetry is installed is the basic assurance of keeping the gyro electromagnetic balance, and therefore, iron core is a very important part in the electromagnetism gyro.Thereby, one group of (four) iron core that requirement is installed in same gyro, magnetic flux is answered basically identical.
Theoretical according to electromagnetic balance, only under the situation of P1=P2=P3=P4, electromagnetic field could keep balance, and the gyro of rotation could keep steady running.In order to guarantee the balance quality of electromagnetic field, its magnetic flux difference of four iron cores of in same gyro, installing must be controlled at ± 5% scope in.But; Magnetic flux difference with four iron cores in the same gyro in assembling is controlled at ± 5% scope in; Bring a lot of difficulties to assembling and setting undoubtedly, must the magnetic flux of the iron core of symmetry installation is consistent through repeatedly debugging repeatedly, repeatedly changing the iron core part; Magnetic field is symmetry basically, reaches electromagnetic balance.
In order to reduce the difficulty of assembling and setting, reduce and repeatedly debug, change a series of problems that the iron core part brings repeatedly; Must the magnetic flux error of each iron core be no more than by being no more than ± 5% raising as far as possible, reaching ± 2%, even higher.So, will greatly improve part processing precision, improve production cost simultaneously.Detect simultaneously the magnetic flux of each iron core one by one, not only consuming time, consumption power improves production cost, and production efficiency reduces, and causes life cycle of the product to guarantee.Though the iron core work in-process is made in strict accordance with design, technological requirement, error is inevitably, and as the process more complicated of magnetive cord, the turnover of processing dimension, heat treatment temperature, part vibration and bump all can cause the change of magnetic flux.In order to improve assembly technology; In order effectively to improve the balance quality of electromagnetic field; Reduce production costs, enhance productivity, must the iron core in the same gyro of packing into be screened; Reach in the hope of the magnetic flux error of each iron core of making the same gyro of packing into be no more than ± 2%, even make the magnetic flux basically identical of the iron core that symmetry installs.
Summary of the invention
The purpose of this invention is to provide a kind of electromagnetism gyro iron core method for screening that is used for; So that in margin tolerance; But the magnetive cord that there is some difference carries out rapid screening, classification; Improve the precision of gyro electromagnetic balance, significantly reduce repeatedly the operation of debugging repeatedly, repeatedly changing the iron core part, reduce operator's labour intensity.
The objective of the invention is to realize like this; Be used for electromagnetism gyro iron core method for screening, comprise at least: testing circuit, housing have tested iron core jack and standard iron core jack on the housing; Tested iron core jack and standard iron core jack are electrically connected with testing circuit; The standard iron core is inserted in the accurate iron core jack of panel subscript, and tested iron core inserts on the panel in the tested iron core jack, testing circuit with the values of disparity of tested iron core and standard iron core directly on display gauge head.
Described housing have output waveform instrument connection, error voltage instrument connection ,+the 5V instrument connection ,-the 15V instrument connection ,+the 15V instrument connection, high-voltage power supply display lamp, low-tension supply display lamp, power switch, supply socket, earth jack.
Described testing circuit comprises a signal source 1501, signal source amplifying circuit 1502, and signal source 1501 produces the sine wave of frequency 16.735KHz ± 200Hz; Make signal source 1501 produce the power supply of the sine wave of frequency 16.735KHz ± 200Hz with signal source amplifying circuit 1502 as alternating current bridge 1503; The signal output of alternating current bridge 1503 gets into one and measures amplifying circuit interior 1504; Measuring amplifying circuit interior 1504 is the difference input; The output signal end of measuring amplifying circuit interior 1504 is electrically connected with the input end of limit circuit 1504, and the output of limit circuit 1504 is electrically connected with display gauge head.
Described display gauge head adopts the digital wash head, and there is A/D converter its inside, and the output of measuring amplifying circuit interior 1504 is electrically connected with the A/D converter input end, behind A/D converter, error signal is shown through LED or LCD.
Described alternating current bridge 1,503 two arms wherein are measuring resistance, and two one on arms are tested iron-core coils in addition, and one is the standard iron-core coil; Two measuring resistances connect the back and are electrically connected with the signal negative terminal; Tested iron-core coil is connected the back and is electrically connected with the anode of signal source with standard iron-core coil one end; Two standard resistor at two terminals are connected at two ends with tested iron-core coil and standard iron-core coil respectively in addition, and two standard resistor at two terminals are connected the back link that forms with tested iron-core coil and other two ends of standard iron-core coil respectively and export as bridge.
Described bridge output is connected with the input end differential electrical of measuring amplifying circuit interior 1504.
1504 is the canonical measure amplifying circuits that are made up of three amplifiers in the described measurement amplifying circuit.
Advantage of the present invention is: in tested qualified iron core, appoint and get one as the standard iron core; Insert in the hole of " standard iron core " on the panel; Other gets one with tested qualified iron core, inserts in the hole of " tested iron core " on the panel, and values of disparity directly shows on display gauge head immediately.As long as elect immediate four of difference value as one group, or the iron cores that two numerical value is the most approaching are as the iron core of symmetry installation.This method has not only satisfied the needs of product assembly precision, under the situation that guarantees the gyroscopic equilibrium precision, can greatly improve assembling, debugging efficiency; Reduce and repeatedly debug, change a series of problems that the iron core part brings repeatedly; Reduced labour intensity, convenient operation directly shows values of disparity on display gauge head again; That the user obtains easily is clearer, readability, be prone to the comfortable observation form of record, and these all will improve the usability of this invention greatly.
Description of drawings
Below in conjunction with the embodiment accompanying drawing the present invention is done further explain:
Fig. 1 is an embodiment of the invention structure principle chart;
Fig. 2 is the testing circuit schematic diagram of Fig. 1.
Among the figure: 1. display gauge head, 2. measuring switch, 3. tested iron core jack, 4. standard iron core jack; 5. high-voltage power supply display lamp, 6. low-tension supply display lamp, 7. power switch, 8. supply socket; 9. earth jack, 10. error voltage instrument connection, 11.+5V instrument connection, 12.-15V instrument connection; 13.+15V instrument connection, 14. output waveform instrument connections, 15. testing circuits, 16. housings.
Embodiment
As shown in Figure 1; Be used for electromagnetism gyro iron core method for screening, comprise at least: testing circuit 15, housing 16 have tested iron core jack 3 and standard iron core jack 4 on the housing 16; Tested iron core jack 3 is electrically connected with testing circuit 15 with standard iron core jack 4; The standard iron core is inserted in the accurate iron core jack 4 of panel subscript, and tested iron core inserts on the panel in the tested iron core jack 3, testing circuit 15 with the values of disparity of tested iron core and standard iron core directly on display gauge head 1.
Housing 16 have output waveform instrument connection 14, error voltage instrument connection 10 ,+5V instrument connection 11 ,-15V instrument connection 12 ,+15V instrument connection 13, high-voltage power supply display lamp 5, low-tension supply display lamp 6, power switch 7, supply socket 8, earth jack 9.Before the screening, at first power switch 7 is placed the position of pass, measuring switch 2 places closed condition.Then, insert supply socket 8.Power switch 7 is placed open position " ON ", and high-voltage power supply display lamp 5, low-tension supply display lamp 6 are lighted, and gauge outfit is in proper working order.
Measuring switch 2 is placed " continuously " position, the iron core in the tested iron core jack 3 is taken out, insert iron core to be measured one by one, write down the measurement data of each tested iron core, and that the voltage that gauge outfit showed is the most approaching four are elected as one group.When if the measurement data of tested iron core and standard iron core differs greatly, the standard iron core in the standard iron core jack 4 is taken out, get a tested iron core and insert in standard iron core jack 4 mesopores, as the standard iron core.Then, all the other tested iron cores are inserted in the iron core to be measured hole one by one, and that the voltage that gauge outfit showed is the most approaching four are elected as one group.Reciprocal with this, screen all tested iron cores, accomplish up to screening, classification.
" standard iron core " here is relative concept, only is the benchmark as relative measurement, and each iron core to be measured all can be used as " the standard iron core " of this batch measurement.
Testing circuit 15 comprises a signal source 1501, signal source amplifying circuit 1502, and signal source 1501 produces the sine wave of frequency 16.735KHz ± 200Hz; The sine wave that makes signal source 1501 produce frequency 16.735KHz ± 200Hz with signal source amplifying circuit 1502 has the power supply of enough driving forces as alternating current bridge 1503; The signal output of alternating current bridge 1503 gets into one and measures amplifying circuit interior 1504; Measuring amplifying circuit interior 1504 is the difference input; The output signal end of measuring amplifying circuit interior 1504 is electrically connected with the input end of limit circuit 1504; The output of limit circuit 1504 is electrically connected with display gauge head 1, and signal can excessively not cause damage to gauge outfit like this.
Another kind of embodiment is that display gauge head 1 adopts the digital wash head, and there is A/D converter its inside, and the output of measuring amplifying circuit interior 1504 is electrically connected with the A/D converter input end, behind A/D converter, error signal is shown through LED or LCD.
Alternating current bridge 1,503 two arms wherein are measuring resistance, and two one on arms are tested iron-core coils in addition, and one is the standard iron-core coil.Two measuring resistances connect the back and are electrically connected with the signal negative terminal; Tested iron-core coil is connected the back and is electrically connected with the anode of signal source with standard iron-core coil one end; Two standard resistor at two terminals are connected at two ends with tested iron-core coil and standard iron-core coil respectively in addition, and two standard resistor at two terminals are connected the back link that forms with tested iron-core coil and other two ends of standard iron-core coil respectively and export as bridge.Bridge output is connected with the input end differential electrical of measuring amplifying circuit interior 1504.Measuring amplifying circuit interior 1504 is the canonical measure amplifying circuits that are made up of three amplifiers.Limit circuit 1504 is a discharge circuit, two stabilivolts, an input resistance and a feedback resistance, measures between amplifying circuit interior 1504 and the limit circuit 1504 and passes through capacitive coupling.
Power supply of the present invention be through with AC-input voltage through AC-DC conversion, through 5 volts of mu balanced circuit outputs ,+15V ,-15V voltage, export 5 volts ,+15V ,-delivery outlet on the panel of 15V voltage end and housing 15 is connected.
Claims (7)
1. be used for electromagnetism gyro iron core method for screening; At least comprise: testing circuit (15), housing (16); Tested iron core jack (3) and standard iron core jack (4) are arranged on the housing (16); Tested iron core jack (3) and standard iron core jack (4) are electrically connected with testing circuit (15); The standard iron core is inserted in the panel accurate iron core jack of subscript (4), and tested iron core inserts on the panel in the tested iron core jack (3), testing circuit (15) with the values of disparity of tested iron core and standard iron core directly on display gauge head (1).
2. the electromagnetism gyro iron core method for screening that is used for according to claim 1; It is characterized in that: described housing (16) have output waveform instrument connection (14), error voltage instrument connection (10) ,+5V instrument connection (11) ,-15V instrument connection (12) ,+15V instrument connection (13), high-voltage power supply display lamp (5), low-tension supply display lamp (6), power switch (7), supply socket (8), earth jack (9).
3. the electromagnetism gyro iron core method for screening that is used for according to claim 1; It is characterized in that: described testing circuit (15) comprises a signal source 1501; Signal source amplifying circuit 1502, signal source 1501 produces the sine wave of frequency 16.735KHz ± 200Hz; Make signal source 1501 produce the power supply of the sine wave of frequency 16.735KHz ± 200Hz with signal source amplifying circuit 1502 as alternating current bridge 1503; The signal output of alternating current bridge 1503 gets into one and measures amplifying circuit interior 1504; Measuring amplifying circuit interior 1504 is the difference input; The output signal end of measuring amplifying circuit interior 1504 is electrically connected with the input end of limit circuit 1504, and the output of limit circuit 1504 is electrically connected with display gauge head (1).
4. the electromagnetism gyro iron core method for screening that is used for according to claim 1; It is characterized in that: described display gauge head (1) adopts the digital wash head; There is A/D converter its inside; The output of measuring amplifying circuit interior 1504 is electrically connected with the A/D converter input end, behind A/D converter, error signal is shown through LED or LCD.
5. the electromagnetism gyro iron core method for screening that is used for according to claim 3 is characterized in that: described alternating current bridge 1,503 two arms wherein are measuring resistance, and two one on arms are tested iron-core coils in addition, and one is the standard iron-core coil; Two measuring resistances connect the back and are electrically connected with the signal negative terminal; Tested iron-core coil is connected the back and is electrically connected with the anode of signal source with standard iron-core coil one end; Two standard resistor at two terminals are connected at two ends with tested iron-core coil and standard iron-core coil respectively in addition, and two standard resistor at two terminals are connected the back link that forms with tested iron-core coil and other two ends of standard iron-core coil respectively and export as bridge.
6. the electromagnetism gyro iron core method for screening that is used for according to claim 5 is characterized in that: described bridge output is connected with the input end differential electrical of measuring amplifying circuit interior 1504.
7. according to claim 3 or the 4 or 6 described electromagnetism gyro iron core method for screening that are used for, it is characterized in that: 1504 is the canonical measure amplifying circuits that are made up of three amplifiers in the described measurement amplifying circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210094957.8A CN102607601B (en) | 2012-03-31 | 2012-03-31 | Method for screening iron cores of electromagnetic gyroscope |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210094957.8A CN102607601B (en) | 2012-03-31 | 2012-03-31 | Method for screening iron cores of electromagnetic gyroscope |
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| Publication Number | Publication Date |
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| CN102607601A true CN102607601A (en) | 2012-07-25 |
| CN102607601B CN102607601B (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210094957.8A Active CN102607601B (en) | 2012-03-31 | 2012-03-31 | Method for screening iron cores of electromagnetic gyroscope |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2328744A (en) * | 1942-03-18 | 1943-09-07 | Fairchild Aviat Corp | Electromagnetic gyro-erecting system |
| US3741020A (en) * | 1971-08-18 | 1973-06-26 | Bendix Corp | Electromagnetic gyro torquer |
| CN2868362Y (en) * | 2005-11-30 | 2007-02-14 | 东莞市纬和塑胶制品有限公司 | Electromagnetic Gyro |
| CN202600060U (en) * | 2012-03-31 | 2012-12-12 | 西安北方光电科技防务有限公司 | Apparatus for screening electromagnetic gyro iron core |
-
2012
- 2012-03-31 CN CN201210094957.8A patent/CN102607601B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2328744A (en) * | 1942-03-18 | 1943-09-07 | Fairchild Aviat Corp | Electromagnetic gyro-erecting system |
| US3741020A (en) * | 1971-08-18 | 1973-06-26 | Bendix Corp | Electromagnetic gyro torquer |
| CN2868362Y (en) * | 2005-11-30 | 2007-02-14 | 东莞市纬和塑胶制品有限公司 | Electromagnetic Gyro |
| CN202600060U (en) * | 2012-03-31 | 2012-12-12 | 西安北方光电科技防务有限公司 | Apparatus for screening electromagnetic gyro iron core |
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| CN102607601B (en) | 2014-09-17 |
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