CN203100725U - Magnetic-liquid differential leveling device - Google Patents
Magnetic-liquid differential leveling device Download PDFInfo
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- CN203100725U CN203100725U CN 201220355707 CN201220355707U CN203100725U CN 203100725 U CN203100725 U CN 203100725U CN 201220355707 CN201220355707 CN 201220355707 CN 201220355707 U CN201220355707 U CN 201220355707U CN 203100725 U CN203100725 U CN 203100725U
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- stepping motor
- magnetic
- magnetic liquid
- sawtooth
- leveling device
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Abstract
The utility model discloses a magnetic-liquid differential leveling device. The device mainly comprises a laser transmitter, a measuring objective, an asbestos protecting layer, an excitation power supply, a sealing plug, a straight organic glass tube, an induction coil A, an exciting coil, magnetic liquid, an induction coil B, a measuring eyepiece, a data displayer, a stepping motor A, a flange, a sawtooth screw, a sawtooth nut, a stepping motor B, a hinged support and a stepping controller. The working principle of a solenoid type differential transformer is adopted; the core part of the principle is variable mutual induction; the measurement of a slant angle is realized by utilizing the characteristic that the magnetic fluid has both magnetism and flowability; the linear distance is confirmed through laser transmission so as to realize the measurement of the altitude difference of ground points; based on the high sensitivity and the high linearity of data measuring of the magnetic liquid, laser signals are transmitted by the laser transmitter, through the control of the stepping motor, the laser transmitter and the whole leveling device are rotated to ensure that the laser achieves the target point, a photoelectric receiving target capable of automatically tracking the angle is arranged at the target point so as to realize the accurate angle collection; and the whole equipment rotates to ensure that the magnetic liquid in a sensor generates displacement difference of front and back liquid levels and the solenoid plays a role of a transformer and generates corresponding signal output. In the using process, based on the flexible control of the tube diameter size and the length ratio of the organic glass tube, the magnetic-liquid differential leveling device disclosed by the utility model is capable of accurately measuring the small change of angle and realizing the accurate measurement of the altitude difference of the ground points finally.
Description
Technical field
The utility model relates to a magnetic liquid elementary errors leveling device, especially based on a kind of magnetic liquid elementary errors leveling device of magnetic liquid slant angle sensor principle.
Background technology
Along with modern science and technology improving constantly to the sensing technology requirement, slant angle sensor not only micro-flow measurement, reveal high-acruracy survey occasions such as test, clean room monitoring, environmental sealing detection application more and more widely, the while has also been played the ten minutes enormous function in the research and development of mechanical industry product.At present, sensor mainly is two kinds of pressure resistance type and condenser types, owing to there is the accurate control problem of micron order strain films thickness, exist manufacture difficulty big, homogeneity, problems such as poor repeatability, cost are high are again developed the pitch angle sensing device of a kind of low cost, high precision, excellent performance and are applied to plant design research and development new product and have a good application prospect.In recent years, the researchist began magnetic liquid is studied both at home and abroad, and magnetic liquid has been widely used in fields such as magnetic fluid sealing, magnetic liquid damper, magnetic liquid sensor now.And the introducing of this new function material magnetic liquid, for the infant industry research and development of products based on the pitch angle sensing device provides new opportunity, the monopolizing characteristic that relies on this material, can produce have high linearity, stable, high sensitivity, high precision, simple in structure, cost is low and the magnetic liquid pitch angle sensing device of advantage such as long-life.But from present searchable domestic and foreign literature data as can be seen, domestic also do not have the industrial products that relate to magnetic liquid pitch angle sensing device of practicality to succeed in developing, and existing research is the device by incline measurement displacement level position not, therefore develops to have crucial meaning a having by incline measurement signal instruction and the industrial products that have a magnetic liquid pitch angle sensing device of displacement level position.
Leveling instrument is as one of equipment that can not obtain in the middle of urban planning and construction, the accurate mapping simultaneously, its sensitivity, precision, the suitable rationality and the cost of urban planning and construction efficient and urban planning and construction apart from direct relation of the convenience of operation and operation.So design a by incline measurement signal instruction and precision measurement, have very significant meaning and economic benefit applicable to the magnetic liquid elementary errors leveling device of remote plotting.
The utility model content
Thereby read control for the measurement that realizes displacement level position and draw accurate geographical hydrologic map, the utility model provides a magnetic liquid elementary errors leveling device, what adopt is the principle of work of solenoid type differential transformer, its core is variable mutual inductance, utilize magnetic liquid can produce the character and the action of gravity of induced field, the variation of coil mutual inductance realizes that the measurement at pitch angle reads when mobile by it, thereby realizes that indirectly long distance, high-precision level height measure.
The technical scheme that its technical matters that solves the utility model adopts is: a kind of magnetic liquid elementary errors leveling device main body is made up of the accurate setter of mapping angle and measurement reading device two parts, and described device is formed mechanism by several and connected to form, and equipment comprises generating laser; measure object lens; the asbestos protective seam, excitation power supply, sealing-plug; straight plexi-glass tubular; inductive coil A, drive coil, magnetic liquid; inductive coil B; measuring eyepiece, data display equipment, stepping motor A; flange; the sawtooth screw rod, sawtooth nut, stepping motor B; hinged-support, step-by-step controller.Described stepping motor A is connected with straight plexi-glass tubular its upper side by hinged-support with the base that stepping motor B is formed, described stepping motor A is connected with its upper side by flange with stepping motor B, opertaing device integral inclination angle is fixed a generating laser on the described measurement object lens.
The accurate setter of described mapping angle is measured object lens, measuring eyepiece, data display equipment, stepping motor A, flange, sawtooth screw rod, sawtooth nut, stepping motor B, hinged-support, compositions such as step-by-step controller by generating laser.It is characterized in that, described integral device is passed through step motor control, the base that wherein said stepping motor A and stepping motor B are formed is connected by its upper side such as hinged-support and straight plexi-glass tubulars, described stepping motor A is connected with its upper side by flange with stepping motor B, opertaing device integral inclination angle is fixed a generating laser on the described measurement object lens.Rotate generating laser, make laser arrive impact point, be equipped with the photoelectric receiving target that automatic angle is followed the tracks of at impact point, realize accurate angle acquisition, wherein stepping motor A realizes the accurate adjustment effect, and stepping motor B realizes the coarse adjustment effect.
Described measurement reading device is by straight plexi-glass tubular, magnetic liquid, and drive coil, inductive coil A, inductive coil B, the voltage data output interface, sealing-plug, the asbestos protective seam, data display equipment is formed.In the rotating machinery process, the glass liquid in pipe produces and flows, and magnetic core is offset, and the two ends induced voltage is unequal, and the output voltage difference data by the analysis to voltage differential signal, is determined the calculating and the differentiation of level height to data display equipment.
Described straight plexi-glass tubular is evenly close around one group of drive coil, and the inductive coil that two ends are wound with one group of equal turn numbers respectively symmetrically and oppositely are connected in series is in order to output pressure reduction.Be filled with a certain amount of magnetic liquid in the described straight plexi-glass tubular.Described drive coil connects excitation power supply, input stimulus voltage.Inductive coil A and inductive coil B differential concatenation, and by be connected output both end voltage difference data with the voltage data output interface.When equipment in when operation, for certain pitch angle, have a corresponding voltage difference corresponding with it, by analysis, determine level height extent to voltage difference.
A kind of magnetic liquid elementary errors of the utility model leveling device adopts the principle of work of solenoid type differential transformer, its core is variable mutual inductance, action of gravity during by rotating machinery, the characteristics of utilizing magnetic fluid to have magnetic and flowability concurrently realize the measurement at low dip angle, realize the accurate measurement of angle with this, by Laser Measurement rectilinear propagation distance, realize the measurement of level height again.Based on the high sensitivity and the high linearity of magnetic liquid, magnetic liquid translation induction installation is simple in structure, accurately measures, responds to, reads the micro-displacement of micron level, thereby realizes the precision mapping to the level height.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing:
Fig. 1 is the one-piece construction synoptic diagram of a kind of magnetic liquid elementary errors of the utility model leveling device.
1. generating lasers among this Fig. 1 are 2. measured object lens, 3. asbestos protective seam, 4. excitation power supply; 5. sealing-plug, 6. straight plexi-glass tubular, 7. inductive coil A; 8. drive coil, 9. magnetic liquid, 10. inductive coil B; 11. measuring eyepiece, 12. data display equipments, 13. stepping motor A; 14. flange, 15. sawtooth screw rods, 16. sawtooth nuts; 17. stepping motor B, 18. hinged-supports, 19. step-by-step controllers.
Liquid level left, center, right three end synoptic diagram when Fig. 2, Fig. 3, Fig. 4 are the work of a kind of magnetic liquid elementary errors of the utility model leveling device.
Embodiment
As shown in Figure 1, a kind of magnetic liquid elementary errors of the utility model leveling device mainly comprises generating laser 1, measures object lens 2; asbestos protective seam 3, excitation power supply 4, sealing-plug 5, straight plexi-glass tubular 6; inductive coil A7, drive coil 8, magnetic liquid 9, inductive coil B10; measuring eyepiece 11, data display equipment 12, stepping motor A13; flange 14, sawtooth screw rod 15, sawtooth nut 16; stepping motor B17, hinged-support 18, step-by-step controller 19.
Described straight plexi-glass tubular 6 is evenly close around one group of drive coil 8, inductive coil A7 and inductive coil B10 that straight plexi-glass tubular 6 two ends are wound with one group of equal turn numbers respectively symmetrically and oppositely are connected in series, in order to output pressure reduction, when glass tube 6 levels, pressure reduction is output as 0; When glass tube 6 tilts, because action of gravity, liquid produces and flows in the glass tube 6, is equivalent to magnetic core and is offset, and induced voltage is unequal, the output voltage difference data, by analysis to voltage difference, determine the size of angle, determine air line distance by laser propagation again, realize precision measurement to the discrepancy in elevation between ground point can realizing telemeasurement with this with this.When equipment in when operation, under stepping motor A13 and stepping motor B17 control, rotate generating laser 1 and whole leveling device, make laser arrive impact point, be equipped with the photoelectric receiving target of angle tracking automatically at impact point, realize accurate angle acquisition.Certain angle takes place and rotates in simultaneously straight plexi-glass tubular 6, because action of gravity, liquid produces and flows in the glass tube 6, is equivalent to magnetic core and is offset.Cause inductive coil A7 and inductive coil B10, the induced voltage that produces unequal, the output voltage difference data for certain pitch angle, has a corresponding voltage difference corresponding with it, by the analysis to voltage difference, determines level height extent.
As shown in Figure 1, a kind of magnetic liquid elementary errors of the utility model leveling device, motor housing is provided with sawtooth nut 16, sawtooth screw rod 15 is housed on the sawtooth nut 16, when control step motor A13 and stepping motor B17 motion, when sawtooth screw rod 15 stops operating, can realize the transmission self-locking of sawtooth nut 6 and sawtooth screw rod 8.
As Fig. 2, Fig. 3, shown in Figure 4, liquid level left, center, right three end synoptic diagram during the work of a kind of magnetic liquid elementary errors of the utility model leveling device.When there was a pitch angle in equipment, all there was certain liquid level state in the transverse pitch angle transducer, i.e. magnetic core state, and the voltage difference that is produced is also different, by the analysis to voltage difference, determines the measurement to the level difference in height.
Claims (4)
1. magnetic liquid elementary errors leveling device; it is characterized in that: described device is formed mechanism by several and is connected to form; comprise generating laser (1); measure object lens (2), asbestos protective seam (3), excitation power supply (4); sealing-plug (5); straight plexi-glass tubular (6), inductive coil A (7), drive coil (8); magnetic liquid (9); inductive coil B (10), measuring eyepiece (11), data display equipment (12); stepping motor A (13); flange (14), sawtooth screw rod (15), sawtooth nut (16); stepping motor B (17); hinged-support (18), step-by-step controller (19), wherein; described stepping motor A (13) is connected with straight plexi-glass tubular (6) its upper side by hinged-support (18) with the base that stepping motor B (17) is formed; described stepping motor A (13) is connected with its upper side by flange (14) with stepping motor B (17), and opertaing device integral inclination angle is fixed a generating laser (1) on the described measurement object lens (2).
2. a kind of magnetic liquid elementary errors leveling device as claimed in claim 1 is characterized in that: be filled with a certain amount of magnetic liquid (9) in the described straight plexi-glass tubular (6).
3. a kind of magnetic liquid elementary errors leveling device as claimed in claim 1, it is characterized in that: described straight plexi-glass tubular (6) is evenly close around one group of drive coil (8), inductive coil A (7) and inductive coil B (10) that straight plexi-glass tubular (6) two ends are wound with one group of equal turn numbers respectively symmetrically and oppositely are connected in series, in order to output pressure reduction, when glass tube (6) level, pressure reduction is output as 0; When glass tube (6) tilts, because action of gravity, the interior liquid of glass tube (6) produces and flows, and is equivalent to magnetic core and is offset, and induced voltage is unequal, the output voltage difference data, by analysis to voltage difference, determine the size of angle, determine air line distance by laser propagation again, realize precision measurement to the discrepancy in elevation between ground point can realizing telemeasurement with this with this.
4. a kind of magnetic liquid elementary errors leveling device as claimed in claim 1 or 2, it is characterized in that: motor housing is provided with sawtooth nut (16), sawtooth screw rod (15) is housed on the sawtooth nut (16), when control step motor A (13) moves with stepping motor B (17), sawtooth screw rod (15) can be realized the transmission self-locking of sawtooth nut (6) and sawtooth screw rod (8) when stopping operating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220355707 CN203100725U (en) | 2012-07-19 | 2012-07-19 | Magnetic-liquid differential leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220355707 CN203100725U (en) | 2012-07-19 | 2012-07-19 | Magnetic-liquid differential leveling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203100725U true CN203100725U (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220355707 Expired - Fee Related CN203100725U (en) | 2012-07-19 | 2012-07-19 | Magnetic-liquid differential leveling device |
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| Country | Link |
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| CN (1) | CN203100725U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323254A (en) * | 2016-11-04 | 2017-01-11 | 东莞欧达电子有限公司 | Laser horizontal tester |
-
2012
- 2012-07-19 CN CN 201220355707 patent/CN203100725U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106323254A (en) * | 2016-11-04 | 2017-01-11 | 东莞欧达电子有限公司 | Laser horizontal tester |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20140719 |
|
| EXPY | Termination of patent right or utility model |