CN104266662A - Dip angle measuring system with temperature compensation function - Google Patents
Dip angle measuring system with temperature compensation function Download PDFInfo
- Publication number
- CN104266662A CN104266662A CN201410502186.0A CN201410502186A CN104266662A CN 104266662 A CN104266662 A CN 104266662A CN 201410502186 A CN201410502186 A CN 201410502186A CN 104266662 A CN104266662 A CN 104266662A
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- China
- Prior art keywords
- dip angle
- measuring system
- chip microcomputer
- temperature
- data
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C25/00—Manufacturing, calibrating, cleaning, or repairing instruments or devices referred to in the other groups of this subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Manufacturing & Machinery (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Abstract
The invention discloses a dip angle measuring system with a temperature compensation function. The dip angle measuring system comprises a dip angle sensor, an AD converter, a single chip microcomputer, a temperature sensor and an upper computer, wherein output of the dip angle sensor are subjected to AD conversion by the AD converter; dip angle data after being subjected to the AD conversion are input into the single chip microcomputer; the single chip microcomputer is in data transmission with the upper computer through wireless signals and comprises an initialization module and a calibration module, wherein the initialization module is used for initializing received dip angle data, and the calibration module is used for carrying out zero calibration on the dip angle sensor, carrying out temperature drift compensation and nonlinear compensation according to current data and transmitting a final result to the upper computer in a data transmission manner through the wireless signals. According to the dip angle measuring system with the temperature compensation function, output data of the dip angle sensor can be subjected to temperature compensation, burr removal and amplification, so that the dip angle measurement accuracy and resolution are effectively improved.
Description
Technical field
The present invention relates to a kind of sensor application in the technology of measurement of dip angle, be specifically related to a kind of inclination measuring system with temperature compensation.
Background technology
In the relevant industries such as automatic control engineering design and geodetic surveying, usually need to carry out measurement of dip angle to some planes or benchmark, or carry out automatic horizontal adjustment, particularly in automatically controlling, often need to carry out dynamic level control to jobbie, this just requires that instrument can carry out automatic dynamic tracking measurement to level inclination, in some high-precision measuring system, also requires to carry out fast leveling to system or the pitch angle of some device and surface level is carried out to the measurement of quick high accuracy.
At present, existing inclination measuring system is adopt obliquity sensor induction dip angle signal mostly, and the simulating signal of output carries out AD conversion by AD converter, the inclination data input single-chip microcomputer after AD conversion, carry out data by wireless signal again and transfer to host computer, thus complete the measurement at inclination angle.But, obliquity sensor be subject to environment, temperature impact comparatively large, obliquity sensor induction dip angle signal is fainter and be with jagged etc., cause measurement of dip angle precision and resolution lower, speed is also slower.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of inclination measuring system with temperature compensation, can carry out the effects such as temperature compensation, filtering burr, amplification to the output data of obliquity sensor, thus effective precision and the resolution improving measurement of dip angle.
For solving the problems of the technologies described above, the present invention by the following technical solutions:
A kind of inclination measuring system with temperature compensation, comprise obliquity sensor, AD converter, single-chip microcomputer, temperature sensor, host computer, the output signal of described obliquity sensor carries out AD conversion by AD converter, inclination data after AD conversion is delivered to single-chip microcomputer, single-chip microcomputer receives the temperature signal that temperature sensor sends simultaneously, it is characterized in that: described single-chip microcomputer comprises initialization module and calibration module, the inclination data received is carried out initialization by initialization module, calibration module carries out zero point correction to obliquity sensor, and carry out temperature drift compensation and nonlinear compensation according to current data, and net result is carried out data by wireless signal be sent to host computer.
Further, between described obliquity sensor and AD converter, be also connected with low-pass first order filter, can the impact of effective filtering burr, avoid when data carry out high-speed transitions and may cause measuring error.
Further, between low-pass first order filter and AD converter, be also connected with differential amplifier, contribute to the resolution improving measurement of dip angle.
Beneficial effect of the present invention is: the inclination measuring system of band temperature compensation of the present invention, the signal of obliquity sensor carries out filtering burr, after differential amplify and AD conversion, be delivered in single-chip microcomputer and carry out initialization, single-chip microcomputer receives current real time temperature signal simultaneously, then temperature drift compensation and nonlinear compensation is carried out by calibration module according to the parameter in pre-set programs and database, and final data is being sent to host computer by radio communication, achieve and temperature compensation is carried out to the output signal of obliquity sensor, filtering burr, the effects such as amplification, thus effective precision and the resolution improving measurement of dip angle.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of a kind of inclination measuring system with temperature compensation of the present invention.
Embodiment
Accompanying drawing discloses concrete structure of the present invention without limitation, and below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figure 1, a kind of inclination measuring system with temperature compensation, comprise obliquity sensor, AD converter, single-chip microcomputer, temperature sensor, host computer, the output signal of described obliquity sensor carries out AD conversion by AD converter, inclination data after AD conversion is delivered to single-chip microcomputer, single-chip microcomputer receives the temperature signal that temperature sensor sends simultaneously, described single-chip microcomputer comprises initialization module and calibration module, the inclination data received is carried out initialization by initialization module, calibration module carries out zero point correction to obliquity sensor, and carry out temperature drift compensation and nonlinear compensation according to current data, and net result is carried out data by wireless signal be sent to host computer.Also low-pass first order filter is connected with between described obliquity sensor and AD converter.Also differential amplifier is connected with between low-pass first order filter and AD converter.
In the present invention, obliquity sensor preferably uses constant current source power supply, directly can eliminate the impact of temperature on sensor output signal, after the signal of obliquity sensor carries out filtering burr, differential amplify and AD conversion, be delivered in single-chip microcomputer and carry out initialization, single-chip microcomputer receives current real time temperature signal simultaneously, then carry out temperature drift compensation and nonlinear compensation by calibration module according to the parameter in pre-set programs and database, and final data is being sent to host computer by radio communication.
Claims (3)
1. the inclination measuring system with temperature compensation, comprise obliquity sensor, AD converter, single-chip microcomputer, temperature sensor, host computer, the output signal of described obliquity sensor carries out AD conversion by AD converter, inclination data after AD conversion is delivered to single-chip microcomputer, single-chip microcomputer receives the temperature signal that temperature sensor sends simultaneously, it is characterized in that: described single-chip microcomputer comprises initialization module and calibration module, the inclination data received is carried out initialization by initialization module, calibration module carries out zero point correction to obliquity sensor, and carry out temperature drift compensation and nonlinear compensation according to current data, and net result is carried out data by wireless signal be sent to host computer.
2. the inclination measuring system of band temperature compensation according to claim 1, is characterized in that: be also connected with low-pass first order filter between described obliquity sensor and AD converter.
3. the inclination measuring system of band temperature compensation according to claim 2, is characterized in that: be also connected with differential amplifier between low-pass first order filter and AD converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410502186.0A CN104266662A (en) | 2014-09-26 | 2014-09-26 | Dip angle measuring system with temperature compensation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410502186.0A CN104266662A (en) | 2014-09-26 | 2014-09-26 | Dip angle measuring system with temperature compensation function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104266662A true CN104266662A (en) | 2015-01-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410502186.0A Pending CN104266662A (en) | 2014-09-26 | 2014-09-26 | Dip angle measuring system with temperature compensation function |
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| CN (1) | CN104266662A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114689027A (en) * | 2020-12-29 | 2022-07-01 | 苏州物图科技有限公司 | Visualization method for monitoring inclination angle of vehicle-mounted equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010003170A1 (en) * | 1998-06-29 | 2001-06-07 | Markus Schupfner | Method for calibrating an angle sensor and navigation system having an angle sensor |
| CN201754088U (en) * | 2010-05-12 | 2011-03-02 | 西安交通大学 | Digital tilt sensor |
| CN102032900A (en) * | 2010-12-01 | 2011-04-27 | 宁波杉工结构监测与控制工程中心有限公司 | Digital dip-angle sensor |
| CN102620719A (en) * | 2012-04-17 | 2012-08-01 | 西安精准测控有限责任公司 | Obliquity sensor with high accuracy and temperature compensation and dynamic compensation method thereof |
| CN202885809U (en) * | 2012-08-23 | 2013-04-17 | 窦宝成 | Full-temperature compensated precise tilt angle sensor |
| CN203024766U (en) * | 2012-12-05 | 2013-06-26 | 同济大学 | High-precision MEMS (Micro-electromechanical Systems) wireless tilt angle sensor with temperature self-compensation and vibration interference resistance functions |
| CN103245328A (en) * | 2013-04-16 | 2013-08-14 | 河南中光学集团有限公司 | Automatic universal digital attitude measuring circuit |
-
2014
- 2014-09-26 CN CN201410502186.0A patent/CN104266662A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010003170A1 (en) * | 1998-06-29 | 2001-06-07 | Markus Schupfner | Method for calibrating an angle sensor and navigation system having an angle sensor |
| CN201754088U (en) * | 2010-05-12 | 2011-03-02 | 西安交通大学 | Digital tilt sensor |
| CN102032900A (en) * | 2010-12-01 | 2011-04-27 | 宁波杉工结构监测与控制工程中心有限公司 | Digital dip-angle sensor |
| CN102620719A (en) * | 2012-04-17 | 2012-08-01 | 西安精准测控有限责任公司 | Obliquity sensor with high accuracy and temperature compensation and dynamic compensation method thereof |
| CN202885809U (en) * | 2012-08-23 | 2013-04-17 | 窦宝成 | Full-temperature compensated precise tilt angle sensor |
| CN203024766U (en) * | 2012-12-05 | 2013-06-26 | 同济大学 | High-precision MEMS (Micro-electromechanical Systems) wireless tilt angle sensor with temperature self-compensation and vibration interference resistance functions |
| CN103245328A (en) * | 2013-04-16 | 2013-08-14 | 河南中光学集团有限公司 | Automatic universal digital attitude measuring circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114689027A (en) * | 2020-12-29 | 2022-07-01 | 苏州物图科技有限公司 | Visualization method for monitoring inclination angle of vehicle-mounted equipment |
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Application publication date: 20150107 |
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| WD01 | Invention patent application deemed withdrawn after publication |