CN106840096A - A kind of inclinometer and method for optimizing the temperature-compensating time - Google Patents
A kind of inclinometer and method for optimizing the temperature-compensating time Download PDFInfo
- Publication number
- CN106840096A CN106840096A CN201611213862.8A CN201611213862A CN106840096A CN 106840096 A CN106840096 A CN 106840096A CN 201611213862 A CN201611213862 A CN 201611213862A CN 106840096 A CN106840096 A CN 106840096A
- Authority
- CN
- China
- Prior art keywords
- temperature
- inclinometer
- control system
- temperature sensor
- computer control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a kind of method for optimizing the inclinometer temperature-compensating time, after inclinometer communication interface receives acquisition instructions, the configuration of single-chip computer control system start-up temperature sensor first, after the completion of configuration, send and start conversion instruction to temperature sensor, then single-chip computer control system starts timer module, regularly, now, temperature sensor independently completes temperature transition work, single-chip computer control system is in idle condition, now start and MEMS sensor is gathered, single-chip computer control system controls ADC Acquisition Circuits, read MEMS sensor output data, now MEMS sensor is gathered simultaneously with temperature sensor, after timing terminates, single-chip computer control system responds timer interruption, read the temperature value after temperature sensor conversion, it is subsequently used for temperature-compensating calculating.The present invention solves the problems, such as that collecting temperature sensor time is long during inclinometer temperature compensation amendment, operating efficiency is improved, while also improving the precision of temperature-compensating.
Description
Technical field
The present invention relates to a kind of inclinometer for optimizing the temperature-compensating time, when further relating to a kind of optimization inclinometer temperature-compensating
Between method, belong to field of civil engineering, be applied to structure safety and Health monitoring industry.
Background technology
Inclinometer is a kind of engineering monitoring instrument that can efficiently and precisely measure deeply mixing cement-soil pile.It is former using its work
Reason can monitor the soil body, temporarily or permanently descend the deeply mixing cement-soil pile of structure (such as stake, diaphragm wall, open caisson).Survey at present
Oblique instrument is being widely used in engineering project.Gradient meter sensor part uses MEMS sensor as inclination angle measurer
Part, and MEMS sensor temperature influence is larger, inclinometer is high precision collecting equipment, it is necessary to the measurement error caused to temperature
It is modified, the use at project scene could be met.Inside inclinometer, DS18B20 is installed as temperature sensor.Numeral
Temperature sensor DS18B20 is high accuracy number sensor, direct output temperature value.But DS18B20 collection need 1 second turn
The time is changed, collection every time can all consume the substantial amounts of time on temperature acquisition, inclinometer data output rate be influenceed, at some
The field of measurement at a high speed is needed, current inclinometer cannot meet requirement.
The content of the invention
For above-mentioned problem, the invention provides a kind of inclinometer for optimizing the temperature-compensating time and a kind of optimization deviational survey
The method of instrument temperature-compensating time, make temperature acquisition and angular surveying synchronously carry out, inclinometer acquisition time is reduced, while warm
Degree is synchronous with angle acquisition, improves the precision of temperature-compensating so that inclinometer can quickly export measurement result, improves survey
The range of application of oblique instrument.
Realization principle of the present invention：A kind of inclinometer for optimizing the temperature-compensating time, mainly by MEMS sensor, ADC collections
Circuit, temperature sensor, memory cell, STM32 single-chip microcomputers and telecommunication circuit are constituted.MEMS sensor is surveyed for the inclination angle of inclinometer
Metering device, is the novel sensor manufactured using microelectronics and micromachining technology, compared with traditional sensor, it
The features such as with small volume, lightweight, low cost, low in energy consumption, reliability high, achievable intellectuality.MEMS sensor exports mould
Intend signal, be connected to ADC Acquisition Circuits, the analog signal that MEMS sensor is exported is converted to data signal by ADC Acquisition Circuits,
Then ADC Acquisition Circuits are connected with STM32 single-chip microcomputers, and data signal is input into STM32 single-chip microcomputers.Temperature sensor is using numeral
Temperature sensor DS18B20, is directly connected using monobus with STM32 single-chip microcomputers, and telecommunication circuit uses 485 bus transfers, is led to
The serial ports connection of STM32 single-chip microcomputers is crossed, timer module is set in the STM32 single-chip microcomputers.MEMS sensor is especially quick to temperature
Sense, when 1 DEG C of temperature change, °/DEG C of angle change 0.008 of MEMS sensor output, in the operating temperature range of inclinometer
(0 DEG C~30 DEG C), angle change maximum can reach 0.24 °, and MEMS sensor variation with temperature is far beyond inclinometer
The angle requirement of sensor, temperature-compensating amendment is carried out using DS18B20 temperature sensors to MEMS sensor.Digital temperature is passed
Sensor DS18B20 is conventional temperature sensor, and with small volume, hardware spending is low, strong antijamming capability, the spy of high precision
Point, is connected using monobus with STM32 single-chip microcomputers, digital temperature sensor DS18B20 output digit signals.STM32 single-chip microcomputers
During collection digital temperature sensor DS18B20, acquisition instructions to digital temperature sensor DS18B20, digital temperature are sent first
Sensor DS18B20 starts collection conversion after receiving, after the completion of inversion temperature, STM32 single-chip microcomputers can sense digital temperature
The transformation result of device DS18B20 reads, and completes a temperature data acquisition.And DS18B20 conversion times are 800ms, this conversion
Process can read MEMS sensor angle-data during this period without external intervention, STM32 single-chip microcomputers.Read MEMS sensor
After the completion of angle-data, then read the temperature data after digital temperature sensor DS18B20 conversion, it is possible to achieve MEMS sensor
Data read with D digital temperature sensor DS18B20s data syn-chronization, the precision of temperature-compensating can be improved, while improve list
The service efficiency of piece machine, has saved acquisition time.
The STM32 single-chip microcomputers include bus control unit, Corex-M3 CPU, hour hands control module, timer, power supply pipe
Reason module, RTC/AWU, I/O port, USART controllers, external interrupt switch；During Corex-M3 CPU integrated systems base timer and
Nested vectored interrupt controller, and by bus control unit control, Corex-M3 CPU connection flash memories；Bus control unit connects
Connect hour hands control module, timer, power management module, RTC/AWU, I/O port, USART controllers and external interrupt switch.
A kind of method for optimizing the inclinometer temperature-compensating time, it is characterised in that：Inclinometer communication interface receives collection
After instruction, STM32 single-chip microcomputers start the configuration of digital temperature sensor DS18B20 first, and after the completion of configuration, transmission starts conversion
Instruct to digital temperature sensor DS18B20, then STM32 single-chip microcomputers start timer module, 800 milliseconds of times of timing, this
When, digital temperature sensor DS18B20 independently completes temperature transition work, and STM32 single-chip microcomputers are in idle condition, now start
MEMS sensor is gathered, STM32 Single-chip Controlling ADC Acquisition Circuits, read MEMS sensor output data.Now MEMS is passed
Sensor and digital temperature sensor DS18B20 are gathered simultaneously, when 800 milliseconds of times to after, in STM32 single-chip microcomputers response timer
It is disconnected, the temperature value after digital temperature sensor DS18B20 conversion is read, it is subsequently used for temperature-compensating calculating.Inclinometer is in collection
When, the synchronous acquisition of MEMS sensor and digital temperature sensor DS18B20 is realized, the conversion time of 1 second has been saved, can be with
The inclinometer was exported inclinometer angle-data in 1 second, and it is complete after temperature-compensating, improve inclinometer data precision, carry
Inclinometer collecting efficiency high.
The present invention solves the problems, such as that collecting temperature sensor time is long during inclinometer temperature compensation amendment, it is to avoid single-chip microcomputer
The problem of first collecting temperature acquisition angles sensor again, by application singlechip interruption technology, realizes inclinometer angle with temperature
The synchronous acquisition of degree, improves inclinometer operating efficiency, while also improving the precision of temperature-compensating.
Brief description of the drawings
Fig. 1 is inclinometer internal circuit connection diagram of the present invention.
Fig. 2 is STM32 single-chip microcomputer internal structure block diagrams.
Fig. 3 is inclinometer collecting flowchart figure of the present invention.
Specific embodiment
A kind of inclinometer for optimizing the temperature-compensating time, the inclinometer is main by STM32 single-chip microcomputers (3), ADC Acquisition Circuits
(2), MEMS sensor (1), temperature sensor (4), memory cell (5), telecommunication circuit (6) etc. are constituted.
STM32 single-chip microcomputers (3) are connected with ADC Acquisition Circuits (2) by spi bus, and spi bus traffic rate is high, STM32
Single-chip microcomputer (3) can realize fast operating ADC Acquisition Circuits.What temperature sensor (4) was used is digital temperature sensor
DS18B20, digital temperature sensor DS18B20 is conventional temperature sensor, using monobus and STM32 single-chip microcomputers (3)
I/O port pin is connected, and with small volume, hardware spending is low, strong antijamming capability, the characteristics of high precision.Digital temperature sensor
The collecting flowchart of DS18B20 waits the automatic conversion in digital temperature sensor DS18B20 inside to be configured before collection, then,
After converting, STM32 single-chip microcomputers (3) read temperature value by monobus.Memory cell (5) passes through with STM32 single-chip microcomputers (3)
I2C buses are connected, memory cell (5) storage temperature penalty coefficient, and after the completion of temperature and angle acquisition, STM32 single-chip microcomputers (3) lead to
Crossing 12C buses reading temperature compensation coefficient carries out angle temperature-compensating.Telecommunication circuit (6) is connected with STM32 single-chip microcomputers (3) by serial ports
Connect, using industrial 485 bus, 485 bus transfer distances facilitate inclinometer data transfer.
As shown in Fig. 2 STM32 single-chip microcomputers (3) include bus control unit, Corex-M3 CPU, hour hands control module, timing
Device, power management module, RTC/AWU, I/O port, USART controllers, external interrupt switch；During Corex-M3 CPU integrated systems
Base timer and nested vectored interrupt controller, and by bus control unit control, Corex-M3 CPU connection flash memories；Always
Lane controller connection hour hands control module, timer, power management module, RTC/AWU, I/O port, USART controllers and outside
Interrupt switch.
As shown in figure 3, a kind of method for optimizing the inclinometer temperature-compensating time, when inclinometer is received by 485 buses
During acquisition instructions, inclinometer starts collecting work, and STM32 single-chip microcomputers (3) first set the running parameter of temperature sensor (4),
Collection translative mode is made it into, and single-chip microcomputer timer module is set, make timer that interruption is produced after 800 milliseconds.So
STM32 single-chip microcomputers (3) control ADC Acquisition Circuits (2) to start to gather MEMS sensor (1) data afterwards, after the completion of collection, wait undetermined
When device interrupt.When timer interruption is responded, STM32 single-chip microcomputers (3) read the conversion temperature of digital temperature sensor DS18B20
Degree.By aforesaid operations, inclinometer completes the synchronous acquisition of temperature sensor (4) and MEMS sensor (1), then STM32
Single-chip microcomputer (3) reads the temperature compensation coefficient of memory cell (5) by I2C buses, after the output temperature compensation of 485 buses
Angle value.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention is not limited to above-mentioned reality
The detail in mode is applied, in range of the technology design of the invention, various letters can be carried out to technical scheme
Monotropic type, these simple variants belong to protection scope of the present invention.
Claims (10)
1. it is a kind of optimize the inclinometer temperature-compensating time method, it is characterised in that：Inclinometer communication interface receives collection and refers to
After order, the configuration of single-chip computer control system start-up temperature sensor first after the completion of configuration, sends and starts conversion instruction to temperature
Sensor, then single-chip computer control system startup timer module, timing, now, temperature sensor independently completes temperature transition
Work, single-chip computer control system is in idle condition, now starts and MEMS sensor is gathered, single-chip computer control system control
ADC Acquisition Circuits, read MEMS sensor output data, and now MEMS sensor is gathered simultaneously with temperature sensor, when timing
After end, single-chip computer control system response timer interruption reads the temperature value after temperature sensor conversion, is subsequently used for temperature
Compensation calculation.
2. it is according to claim 1 it is a kind of optimize the inclinometer temperature-compensating time method, it is characterised in that：Timing
It is 800 milliseconds.
3. it is according to claim 1 it is a kind of optimize the inclinometer temperature-compensating time method, it is characterised in that：The temperature
Sensor is digital temperature sensor DS18B20.
4. it is according to claim 1 it is a kind of optimize the inclinometer temperature-compensating time method, it is characterised in that：Single-chip microcomputer control
System processed is provided with timer module.
5. it is a kind of optimize the temperature-compensating time inclinometer, it is characterised in that：By single-chip computer control system, ADC Acquisition Circuits,
MEMS sensor, temperature sensor, memory cell, telecommunication circuit are constituted, and single-chip computer control system passes through with ADC Acquisition Circuits
Spi bus are connected, and MEMS sensor is connected with ADC Acquisition Circuits, and memory cell is connected with single-chip computer control system by I2C buses
Connect, telecommunication circuit is connected with the serial ports of single-chip computer control system, timer module is set in the single-chip computer control system.
6. it is according to claim 5 it is a kind of optimize the temperature-compensating time inclinometer, it is characterised in that：Single-chip Controlling system
System is STM32 single-chip microcomputers, and STM32 single-chip microcomputers include bus control unit, Corex-M3 CPU, hour hands control module, timer, electricity
Source control module, RTC/AWU, I/O port, USART controllers, external interrupt switch；Base is regularly during Corex-M3 CPU integrated systems
Device and nested vectored interrupt controller, and by bus control unit control, Corex-M3 CPU connection flash memories；Bus marco
Device connection hour hands control module, timer, power management module, RTC/AWU, I/O port, USART controllers and external interrupt are opened
Close.
7. it is according to claim 5 it is a kind of optimize the temperature-compensating time inclinometer, it is characterised in that：The TEMP
Device is digital temperature sensor DS18B20.
8. it is according to claim 5 it is a kind of optimize the temperature-compensating time inclinometer, it is characterised in that：Single-chip Controlling system
System is connected with ADC Acquisition Circuits by spi bus.
9. it is according to claim 5 it is a kind of optimize the temperature-compensating time inclinometer, it is characterised in that：Temperature sensor is adopted
It is connected with the I/O port pin of monolithic control system with monobus.
10. it is according to claim 5 it is a kind of optimize the temperature-compensating time inclinometer, it is characterised in that：Telecommunication circuit with
Single-chip computer control system is connected by serial ports, using industrial 485 bus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611213862.8A CN106840096A (en) | 2016-12-23 | 2016-12-23 | A kind of inclinometer and method for optimizing the temperature-compensating time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611213862.8A CN106840096A (en) | 2016-12-23 | 2016-12-23 | A kind of inclinometer and method for optimizing the temperature-compensating time |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106840096A true CN106840096A (en) | 2017-06-13 |
Family
ID=59136399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611213862.8A Pending CN106840096A (en) | 2016-12-23 | 2016-12-23 | A kind of inclinometer and method for optimizing the temperature-compensating time |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106840096A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064436A (en) * | 2017-06-15 | 2017-08-18 | 广东美的制冷设备有限公司 | Gas detection method, sensor and the storage medium of MEMS sensor |
| CN111289136A (en) * | 2020-02-29 | 2020-06-16 | 同济大学 | Distributed inclinometer collector |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566474A (en) * | 2009-05-27 | 2009-10-28 | 中国地质调查局发展研究中心 | Positioning and directional digital geological compass with low cost, high precision and high integration |
| CN101839711A (en) * | 2010-05-18 | 2010-09-22 | 山东大学 | Portable digitalized high-precision tilt angle measuring instrument and measuring method |
| CN202257108U (en) * | 2011-10-14 | 2012-05-30 | 西北工业大学 | Synchronous data control and acquisition system for steady velocity pressure of wind tunnel |
| CN104062933A (en) * | 2014-06-12 | 2014-09-24 | 天津大学 | Unmanned helicopter flight control system and method based on DSP and FPGA |
| CN104216847A (en) * | 2014-09-03 | 2014-12-17 | 航天科工深圳（集团）有限公司 | Data acquisition method and data acquisition system |
| CN104914275A (en) * | 2014-03-10 | 2015-09-16 | 北京大学 | Novel MEMS capacitive accelerometer temperature compensating circuit |
| CN105258677A (en) * | 2015-09-18 | 2016-01-20 | 中铁大桥科学研究院有限公司 | High precision inclinometer and intelligent temperature compensation system |
-
2016
- 2016-12-23 CN CN201611213862.8A patent/CN106840096A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101566474A (en) * | 2009-05-27 | 2009-10-28 | 中国地质调查局发展研究中心 | Positioning and directional digital geological compass with low cost, high precision and high integration |
| CN101839711A (en) * | 2010-05-18 | 2010-09-22 | 山东大学 | Portable digitalized high-precision tilt angle measuring instrument and measuring method |
| CN202257108U (en) * | 2011-10-14 | 2012-05-30 | 西北工业大学 | Synchronous data control and acquisition system for steady velocity pressure of wind tunnel |
| CN104914275A (en) * | 2014-03-10 | 2015-09-16 | 北京大学 | Novel MEMS capacitive accelerometer temperature compensating circuit |
| CN104062933A (en) * | 2014-06-12 | 2014-09-24 | 天津大学 | Unmanned helicopter flight control system and method based on DSP and FPGA |
| CN104216847A (en) * | 2014-09-03 | 2014-12-17 | 航天科工深圳（集团）有限公司 | Data acquisition method and data acquisition system |
| CN105258677A (en) * | 2015-09-18 | 2016-01-20 | 中铁大桥科学研究院有限公司 | High precision inclinometer and intelligent temperature compensation system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107064436A (en) * | 2017-06-15 | 2017-08-18 | 广东美的制冷设备有限公司 | Gas detection method, sensor and the storage medium of MEMS sensor |
| CN111289136A (en) * | 2020-02-29 | 2020-06-16 | 同济大学 | Distributed inclinometer collector |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104634569A (en) | Dynamic measurement method for torsional rigidity and torsional damping of coupling | |
| CN201097241Y (en) | Peg-top temperature control device | |
| CN111930055B (en) | Comprehensive energy sensing device with optimized control | |
| CN203705992U (en) | Temperature control device | |
| CN106840096A (en) | A kind of inclinometer and method for optimizing the temperature-compensating time | |
| CN108507591A (en) | Multichannel MEMS gyroscope demarcates test data collection device and acquisition method | |
| CN203785709U (en) | Multi-sensor data concentration acquisition system | |
| CN203772429U (en) | Single-bus temperature monitoring device | |
| CN204557112U (en) | Embedded project security monitoring data acquisition process instrument | |
| CN205157695U (en) | Based on adjustable fault current sensor of low -power consumption definite value | |
| CN211181045U (en) | Wisdom agricultural is with multi-functional temperature and humidity sensor | |
| CN103970076A (en) | Large-volume deposit concrete cooling water intelligent control system | |
| CN205642545U (en) | Ground water level remote monitering system | |
| CN204389714U (en) | A kind of weather monitoring instrument realizing Temperature and Humidity based on SHT2X chip | |
| CN204242380U (en) | Based on the distributed automatic weather station of 2.4G wireless transmission | |
| CN201926521U (en) | Portable intelligent temperature tester | |
| CN204346538U (en) | A kind of reservoir level remote supervision system | |
| CN209043432U (en) | A kind of Ultrasonic water meter calibrating installation based on infrared communication | |
| CN203231812U (en) | Portable vibration detection device | |
| CN204255518U (en) | It is a kind of that multiple spot is high-precision adopts warm system | |
| CN110578511A (en) | Temperature difference type oil well oil yield measuring device and method | |
| CN201569512U (en) | Wireless thermal resistance temperature transmitter | |
| CN206293871U (en) | Breaker controller | |
| CN205750444U (en) | A kind of signal acquisition circuit realizing amount of acquisition channels extension based on analog switch | |
| CN203909994U (en) | Hanging wire reference monitor of paver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |
|
| RJ01 | Rejection of invention patent application after publication |