CN106017416A - I-angle monitoring device for level gauge - Google Patents
I-angle monitoring device for level gauge Download PDFInfo
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- CN106017416A CN106017416A CN201610616678.1A CN201610616678A CN106017416A CN 106017416 A CN106017416 A CN 106017416A CN 201610616678 A CN201610616678 A CN 201610616678A CN 106017416 A CN106017416 A CN 106017416A
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- signal sensor
- level
- level gauge
- pendulum mass
- monitoring device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C5/00—Measuring height; Measuring distances transverse to line of sight; Levelling between separated points; Surveyors' levels
- G01C5/04—Hydrostatic levelling, i.e. by flexibly interconnected liquid containers at separated points
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses an i-angle monitoring device for a level gauge. According to the i-angle monitoring device, the leveling precision, reliability and efficiency can be improved. The i-angle monitoring device is provided with a level gauge collimation axis gesture signal sensor and a horizontal sightline automatic compensator pendulum mass displacement signal sensor which are connected with a data processing controller (8), wherein an output of the data processing controller (8) is connected with a warning device (10) through a warning driving circuit (9), and the horizontal sightline automatic compensator pendulum mass displacement signal sensor can be a first light source (1) and a first image collecting device (2) which are arranged on the opposite surface of a horizontal sightline automatic compensator pendulum mass.
Description
Technical field
The present invention relates to geodesic survey and the leveling device in engineering survey field, a kind of level gage i angle monitoring device improving measurement of the level precision, reliability and efficiency.
Background technology
Traditional leveling device is made up of a level gauge and two levelling staffs.Level gauge is made up of object lens, focusing lens, horizontal line of sight automatic compensator, spectroscope, crosshair graticle, eyepiece, figure reading electronic device and aobvious control terminal.First two levelling staffs are respectively perpendicular during measurement and are placed in ground A, B 2 point, level gauge is arranged on the centre position of A, B 2 again, the horizontal line of sight that after utilizing leveling, level gauge telescope collimation axis (i.e. crosshair intersection point and the line of object lens photocentre) provides sights the absolute altitude numerical value reading two levelling staffs respectively, the difference of institute's mark height numerical value is the height differences by leveling of ground A, B 2, if known elevation wherein, the elevation of another point can be extrapolated by the discrepancy in elevation.Owing to being affected by the factor such as Instrument Manufacturing Technique and atmospheric environment so that there is an angle between telescope collimation axis and horizontal plane during observation, fields of measurement is commonly called as i angle.
Owing to the size at i angle directly influences the precision of the measurement of the level, stability and reliability, at present for ensureing measurement of the level precision, generally use following measure: need before (1) measurement of the level every day measure and adjust i angle, make i angle (the such as Chinese Industrial Standards (CIS): first and second order leveling i angle limit difference be 15 second poor less than measurement of the level grade limit of level gauge；Three, limit difference in fourth-order leveling i angle is 20 seconds)；(2) make when measuring the level gauge horizontal range away from two levelling staffs equal or roughly equal, to eliminate or to weaken the impact at i angle, but existing measure also exists measures inefficiency and the low problem of certainty of measurement.Measure and adjust i angle before measurement of the level every day, often expend the substantial amounts of energy and time of survey crew, measure work efficiency relatively low；The leveling process of every day can not find the change at i angle in time, cause measurement result precision to reduce；As found, certainty of measurement is low and certainty of measurement to be ensured, can only abandon having surveyed achievement, after redeterminating and adjust i angle, then carries out level from starting point to the end and resurveys so that measures work efficiency and reduce.It is true that the change at real-time dynamic monitoring i angle is a great problem of puzzlement mankind's measurement of the level circle, it the most also it is a big technology barrier of the intelligent measurement of the level of restriction.
Summary of the invention
The present invention is to solve the above-mentioned technical problem existing for prior art, it is provided that a kind of level gage i angle monitoring device improving measurement of the level precision, reliability and efficiency.
The technical solution of the present invention is: a kind of level gage i angle monitoring device, it is characterized in that: be provided with level gauge collimation axis attitude signal sensor and horizontal line of sight automatic compensator free pendulum mass displacement signal sensor, the output of described level gauge collimation axis attitude signal sensor and horizontal line of sight automatic compensator free pendulum mass displacement signal sensor all processes with data and controller connects, and data process and the output of controller is connected with alarm device by alarm drive circuit；Described horizontal line of sight automatic compensator free pendulum mass displacement signal sensor is the first light source and the first image collecting device that may be provided at horizontal line of sight automatic compensator free pendulum mass opposite face.
Described level gauge collimation axis attitude signal sensor is provided with tubular type air level, secondary light source and air level image collecting device and is separately positioned on the opposite sides up and down of tubular type air level.
Described level gauge collimation axis attitude signal sensor is tubular type electronic leveler bubble.
Described level gauge collimation axis attitude signal sensor is obliquity sensor.
The present invention is by dynamically detecting horizontal line of sight automatic compensator, it is achieved that the real-time monitoring to level gage i angle change, when the i angle change of monitoring level gauge is beyond predetermined threshold value, then automatic alarm.Surveyor can stop measuring and redeterminating, adjust i angle according to warning, or do not stop measuring and shown, by level gauge, the impact that the change of i angle causes by control terminal automatically and carry out numerical value correction, it is ensured that certainty of measurement.Therefore, the present invention measures without every day and adjusts i angle, it is to avoid causes from resurveying that starting point to the end is carried out because the change of i angle, saves human and material resources, drastically increase homework precision and the work efficiency of the measurement of the level, also improve the intelligent level of level gauge simultaneously.
Accompanying drawing explanation
Fig. 1 is the schematic block circuit diagram of the embodiment of the present invention 1,2,3.
Fig. 2 is the method flow diagram of the embodiment of the present invention 1,2,3.
Fig. 3 is the structural representation of the embodiment of the present invention 1.
Fig. 4,5,6 are the scheme of installations of the embodiment of the present invention 1.
Fig. 7 is the structural representation of the embodiment of the present invention 2.
Fig. 8 is the structural representation of the embodiment of the present invention 3.
Detailed description of the invention
Embodiment 1:
Schematic block circuit diagram is as shown in Figure 1: be provided with level gauge collimation axis attitude signal sensor and horizontal line of sight automatic compensator free pendulum mass displacement signal sensor, the output of described level gauge collimation axis attitude signal sensor and horizontal line of sight automatic compensator free pendulum mass displacement signal sensor all processes with data and controller 8 connects, and data process and the output of controller 8 is connected with alarm device 10 by alarm drive circuit 9.Concrete structure is as shown in Figure 3: be provided with the housing 11 of band opening, open side on housing 11 is fixed with by the first light source 1(LED) and the first image collecting device 2(CCD) the horizontal line of sight automatic compensator free pendulum mass displacement signal sensor that constitutes, it is fixed with tubular type air level 3 in other position of housing 11, above tubular type air level 3, (lower section) is provided with secondary light source 4(LED), below tubular type air level 3, (top) is provided with air level image collecting device 5(CCD).Tubular type air level 3 is prior art, i.e. there is the glass tubing of closing, the inwall of glass tubing is longitudinally wearing into circular arc, in glass tubing, contain ethanol or ether or the liquid of both mixing and leave a bubble, glass tubing surface is carved with and is spaced apart 2mm(or 1mm) division line, the midpoint of graduation claims zero point, when needing the central point adjusted to bubble to overlap with zero point during leveling (bubble is placed in the middle).Secondary light source 4(LED) light be radiated on tubular type air level 3, make air level image collecting device 5(CCD) can gather display bubble position picture rich in detail.The output of the first image collecting device 2 and the second image collecting device 5 all processes and controller 8(single-chip microcomputer with data) connect.
During installation, by connector, housing 11 is fixed on level gauge horizontal line of sight automatic compensator shell or level gauge base housing, and make the free pendulum mass to horizontal line of sight automatic compensator of the open side on housing 11, make the first light source 1 can be irradiated to free pendulum mass, and the first image collecting device 2 can collect the shift position of free pendulum mass.The present invention can be arranged on level gauge horizontal line of sight automatic compensator 21 shell or the top of level gauge 20 base housing by mounting means as shown in Figure 4,5.
Certainly, can also be by tubular type air level 3, secondary light source 4(LED), air level image collecting device 5(CCD) and data process and controller 8 be placed in another housing 12, respectively two housings are arranged on the level gauge base housing of level gauge horizontal line of sight automatic compensator shell sum (as shown in Figure 6).
Operational approach is as follows:
(1) first by current methods, initial i angle size is measured and adjusts.
(2) then the embodiment of the present invention 1 is carried out initial alignment.Open level gauge collimation axis attitude signal sensor and horizontal line of sight automatic compensator free pendulum mass displacement signal sensor the most simultaneously, then the bubble making tubular type air level is held to rear (front) by front (or rear) end is mobile, and series of signals numerical value level gauge collimation axis attitude signal sensor and horizontal line of sight automatic compensator free pendulum mass displacement signal sensor recorded processes through data and after controller 8 modeling analysis, stores as standard signal information.
(3) the real-time monitoring of i angle change.Monitoring method flow process is as shown in Figure 2: the level gauge collimation axis attitude signal (position of level(l)ing bubble) gathered by the second image collecting device 5 and the horizontal line of sight automatic compensator free pendulum mass displacement signal (position of pendulum mass) gathered by the first image collecting device 2 are delivered to data and processed and controller 8, data process and the signal gathered and the standard signal information stored are carried out contrasting (being realized by program software) by controller 8, it may be judged whether beyond threshold value？No, then continue to gather signal ..., it is then to show that i angle changes, drives alarm device 10 to report to the police.Meanwhile, can automatically be carried out i angle numerical value by the aobvious control terminal of level gauge to correct.
Embodiment 2:
As shown in Figure 7: essentially identical with embodiment 1 structure, except that level gauge collimation axis attitude signal sensor uses existing electronic leveler bubble (resistance-type, condenser type, inductance type and photo-electric) 6, being arranged on level gauge, the first image collecting device 2 connects with data process and controller 8 with the output of electronic leveler bubble 6.
Use work process with embodiment 1.
Embodiment 3:
As shown in Figure 8: essentially identical with embodiment 1 structure, except that level gauge collimation axis attitude signal sensor uses existing obliquity sensor 7, such as MEMS high-precision tilt angle sensor (SCA103T-D04 of VTI company of Finland) etc., being horizontally arranged on level gauge, the first image collecting device 2 connects with data process and controller 8 with the output of obliquity sensor 7.The value of the output magnitude of voltage that to be gravity acceleration g change at the component of all directions during obliquity sensor resting state, when level gauge angle changes, gravity acceleration g changes at the component of all directions, the magnitude of voltage making output changes, and is i.e. level gauge collimation axis level transducing signal.
Use work process with embodiment 1.
Claims (4)
1. a level gage i angle monitoring device, it is characterized in that: be provided with level gauge collimation axis attitude signal sensor and horizontal line of sight automatic compensator free pendulum mass displacement signal sensor, the output of described level gauge collimation axis attitude signal sensor and horizontal line of sight automatic compensator free pendulum mass displacement signal sensor all processes with data and controller (8) connects, and data process and the output of controller (8) is connected with alarm device (10) by alarm drive circuit (9)；Described horizontal line of sight automatic compensator free pendulum mass displacement signal sensor is the first light source (1) and the first image collecting device (2) that may be provided at horizontal line of sight automatic compensator free pendulum mass opposite face.
Level gage i angle monitoring device the most according to claim 1, it is characterized in that: described level gauge collimation axis attitude signal sensor is provided with tubular type air level (3), secondary light source (4) and air level image collecting device (5) and is separately positioned on the opposite sides up and down of tubular type air level (3).
Level gage i angle monitoring device the most according to claim 1, it is characterised in that: described level gauge collimation axis attitude signal sensor is that tubular type electronic leveler steeps (6).
Level gage i angle monitoring device the most according to claim 1, it is characterised in that: described level gauge collimation axis attitude signal sensor is obliquity sensor (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610616678.1A CN106017416B (en) | 2016-08-01 | 2016-08-01 | Level gage i angle monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610616678.1A CN106017416B (en) | 2016-08-01 | 2016-08-01 | Level gage i angle monitoring device |
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| CN106017416A true CN106017416A (en) | 2016-10-12 |
| CN106017416B CN106017416B (en) | 2019-02-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106767932A (en) * | 2017-01-23 | 2017-05-31 | 李开伟 | A kind of level gage i angle detection means and detection method |
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| CN1152116A (en) * | 1995-11-24 | 1997-06-18 | 株式会礼拓普康 | Horizontal position error correcting mechanism of electronic level gauge |
| US20160069665A1 (en) * | 1999-04-05 | 2016-03-10 | Faro Technologies, Inc. | Laser-based coordinate measuring device and laser-based method for measuring coordinates |
| JP2006126102A (en) * | 2004-11-01 | 2006-05-18 | Sokkia Co Ltd | Indicator for survey and surveying method using it |
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| EP2503284A2 (en) * | 2011-03-25 | 2012-09-26 | Kabushiki Kaisha Topcon | Guide light device, survey apparatus having the guide light device, survey system using the survey apparatus, survey pole used in the survey system, and mobile wireless transceiver used in the survey system |
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| CN203422087U (en) * | 2013-07-23 | 2014-02-05 | 刘雁春 | Floor type level gage adopting standpipe structure |
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| US20160109560A1 (en) * | 2014-10-20 | 2016-04-21 | Kabushiki Kaisha Topcon | Measuring system, and portable radio transceiver and measurement pole used in measuring system |
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| CN106017416B (en) | 2019-02-12 |
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