CN108051013A - Use the system of sensor sensing chamber intrinsic displacement - Google Patents

Abstract

The invention discloses the systems for using sensor sensing chamber intrinsic displacement, including acceleration transducer, direction sensor, gyro sensor, CPU and display module, CPU connections acceleration transducer, direction sensor, gyro sensor and AD conversion module, AD conversion module connection display module；Acceleration transducer gathers axial acceleration value, and is sent to CPU processing；Direction sensor gathers bearing data, and is sent to CPU processing；Gyro sensor acquisition spins up angle value, and is sent to CPU processing；Data sending after processing to AD conversion module, and is output to display module by CPU, and CPU is also connected with temperature sensor, wireless communication module.The present invention ensure that the accuracy of testing result, while sensor production is at low cost and easy to operate using multiple sensors；Testing result is shown using liquid crystal display, the user that is more convenient for intuitively observes testing result, is effectively improved data user rate.

Description

Use the system of sensor sensing chamber intrinsic displacement

Technical field

The present invention relates to a kind of effective displacement detectors in interior, and in particular to what it is using sensor sensing chamber intrinsic displacement is System.

Background technology

The method for calculating indoor distances at present mainly has following three kinds, first, based on professional distance-measuring equipment, such as laser ranging Instrument, sonar ranging instrument etc.；Second is that the technology based on graphical analysis, using the method for image procossing, deconstructs each object in image Spatial position and space length relation；Third, the method based on sensing data, calculates tester's speed of travel in time latitude The mode of cumulant or step number stride statistics on degree.

Method advantage based on professional distance-measuring equipment is that measurement is accurate, and error is smaller, but cost is higher, and needs specialty Operating personnel operation；Method advantage based on graphical analysis is that professional equipment is not required, and it is right in image that research is concentrated mainly on The identification of elephant, the calculating of relative position, but calculation amount is very big, and the quality of image is very big on result influence；Based on sensor number According to method be the hot spot direction studied at present, it is convenient to be primarily due to its data acquisition, advantage of lower cost, data analysis phase For image procossing also and need not be too big calculation amount, but current such method is used primarily in the fields such as measurement amount of exercise Scape, there are larger error, because the error based on speed is difficult to correct, simple step number is multiplied by the calculation of stride not Real misalignment can be reacted, result is also unable to reach the structure required precision of map.

The content of the invention

The technical problems to be solved by the invention are that existing distance-measuring equipment measurement precision is low and cost is higher, and purpose exists In providing the system using sensor sensing chamber intrinsic displacement, solve that existing distance-measuring equipment measurement precision is low and cost is higher Problem.

The present invention is achieved through the following technical solutions：

Using the system of sensor sensing chamber intrinsic displacement, including shell, acceleration transducer, direction sensor, gyroscope Sensor, CPU and display module, the acceleration transducer are mounted on the front end of shell, acceleration transducer connection CPU；Institute State the side wall that direction sensor is arranged on shell, direction sensor connection CPU；Gyro sensor is mounted on the handle of shell Place, gyro sensor connection CPU；CPU is also connected with AD conversion module, and display module is arranged on the top of shell, AD conversion mould Block connects display module；

The acceleration transducer gathers axial acceleration value, and is sent to CPU processing；

The direction sensor gathers bearing data, and is sent to CPU processing；

The gyro sensor acquisition spins up angle value, and is sent to CPU processing；

Data sending after processing to AD conversion module, and is output to display module by the CPU.Existing interior survey Away from device measuring precision, low and cost is higher, and the acceleration transducer that the present invention uses can generate three normal axis of x, y, z On acceleration value, correspond to that human body is lateral, forward direction, the acceleration of longitudinal direction respectively, due to the variation ratio of people's center of gravity when walking More apparent and with certain stability, i.e., acceleration change will be adopted with stronger identifiability, acceleration transducer in z-axis The acceleration value collected is converted to electric signal and is sent to CPU, and the bearing data collected is converted to telecommunications by direction sensor Number and be sent to CPU, the angle value that spins up collected is converted to electric signal and is sent to CPU by gyro sensor；CPU will Acceleration information, directional information and the rotary acceleration information received carries out analysis calculating, output displacement value and direction value, so The CPU digital signals exported are converted to by analog signal by AD conversion module afterwards, and is sent to display module and shows.

As the improvement for said program, filter circuit, acceleration are provided between the acceleration transducer and CPU The acceleration information that sensor collects is constantly present various noises, in order to obtain preferably as a result, firstly the need of right Data are further pre-processed, our target is to make waveform smooth, remove spine, reduce the error of subsequent processing, therefore Filter circuit is additionally arranged between acceleration transducer and CPU to overcome this technical problem.

Further, mounting temperature sensor, CPU connection temperature sensors, temperature sensor are gone back on the side wall of the shell Acquisition ambient temperature value is sent to CPU completions processing, and temperature sensor gathers environment temperature with the variation of site environment temperature Value, is converted to electric signal by temperature value and is sent to CPU, temperature signal is output to display module by CPU by AD conversion module Display.

Further, wireless communication module, CPU connection wireless communication modules, wireless communication module are also set up on the shell The information after CPU processing is received, and is sent to far-end control system, wireless communication module is for host computer and remote control system The information exchange of system.

Further, the display module uses liquid crystal display, what liquid crystal display was exported by receiving AD conversion module Then analog signal shows displacement information, directional information and temperature information on a display screen.

Compared with prior art, the present invention it has the following advantages and advantages：

1st, the system that the present invention uses sensor sensing chamber intrinsic displacement, using multiple sensors, ensure that testing result Accuracy, while sensor production is at low cost and easy to operate；

2nd, the system that the present invention uses sensor sensing chamber intrinsic displacement shows testing result, more just using liquid crystal display Testing result is intuitively observed in user, is effectively improved data user rate.

Description of the drawings

Attached drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings：

Fig. 1 is present system block diagram；

Fig. 2 is schematic structural view of the invention.

Mark and corresponding parts title in attached drawing：

1- shells, 2- acceleration transducers, 3- direction sensors, 4- gyro sensors, 5- temperature sensors, 6- is wireless Communication module, 7- liquid crystal displays.

Specific embodiment

Understand to make the object, technical solutions and advantages of the present invention clearer, with reference to embodiment and attached drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make For limitation of the invention.

Embodiment 1

As shown in Figure 1 and Figure 2, using the system of sensor sensing chamber intrinsic displacement, including shell 1, acceleration transducer 2, side To sensor 3, gyro sensor 4, CPU and display module, more than acceleration transducer 2, direction sensor 3, gyroscope Sensor 4 and CPU are the components that can directly buy on the market now, and the acceleration transducer 2 is mounted on shell 1 Front end, acceleration transducer 2 connect CPU；The direction sensor 3 is arranged on the side wall of shell 1, and direction sensor 3 connects CPU；Gyro sensor 4 is mounted at the handle of shell 1, and gyro sensor 4 connects CPU；CPU is also connected with AD conversion mould Block, display module are arranged on the top of shell, AD conversion module connection display module；Acceleration transducer 2 gathers axial acceleration Angle value, and it is sent to CPU processing；Direction sensor 3 gathers bearing data, and is sent to CPU processing；Gyroscope passes The acquisition of sensor 4 spins up angle value, and is sent to CPU processing；CPU is by the data sending after processing to AD conversion mould Block, and it is output to display module.Existing interior distance-measuring equipment measurement precision is low and cost is higher, the acceleration that the present invention uses Degree sensor 2 can generate acceleration value on three normal axis of x, y, z, correspond to respectively lateral human body, forward direction, longitudinal direction plus Speed, since the variation of people's center of gravity when walking is obvious and with certain stability, i.e., acceleration change has in z-axis The acceleration value collected is converted to electric signal and is sent to CPU by stronger identifiability, acceleration transducer 2, and direction passes The bearing data collected is converted to electric signal and is sent to CPU by sensor 3, and gyro sensor 4 adds the rotation collected Velocity amplitude is converted to electric signal and is sent to CPU；CPU believes the acceleration information received, directional information and rotary acceleration Breath carries out analysis calculating, output displacement value and direction value, is then converted to the CPU digital signals exported by AD conversion module Analog signal, and be sent to display module and show.

The existing method advantage based on professional distance-measuring equipment is that measurement is accurate, and error is smaller, but cost is higher, and needs Professional operator is wanted to operate；Method advantage based on graphical analysis is that professional equipment is not required, and research is concentrated mainly on figure The identification of object, the calculating of relative position as in, but calculation amount is very big, and the quality of image is very big on result influence, and this hair It is bright to use 4 matched scheme of acceleration transducer 2, direction sensor 3 and gyro sensor.The present invention at work, uses Device is carried at family, and acceleration transducer 2 gathers acceleration information, and direction sensor 3 gathers bearing data, and gyroscope passes The acquisition of sensor 4 spins up degrees of data, and is uniformly sent to CPU, and CPU exports effective displacement and direction by analyzing to calculate, Then by AD D/A converter modules and liquid crystal display 7 is output to, user is directly observed displacement number by liquid crystal display 7 According to and bearing data.

Embodiment 2

As shown in Figure 1 and Figure 2, using the system of sensor sensing chamber intrinsic displacement, including shell 1, acceleration transducer 2, side To sensor 3, gyro sensor 4, CPU and display module, more than acceleration transducer 2, direction sensor 3, gyroscope Sensor 4 and CPU are the components that can directly buy on the market now, and the acceleration transducer 2 is mounted on shell 1 Front end, acceleration transducer 2 connect CPU；The direction sensor 3 is arranged on the side wall of shell 1, and direction sensor 3 connects CPU；Gyro sensor 4 is mounted at the handle of shell 1, and gyro sensor 4 connects CPU；CPU is also connected with AD conversion mould Block, display module are arranged on the top of shell, AD conversion module connection display module；Acceleration transducer 2 gathers axial acceleration Angle value, and it is sent to CPU processing；Direction sensor 3 gathers bearing data, and is sent to CPU processing；Gyroscope passes The acquisition of sensor 4 spins up angle value, and is sent to CPU processing；CPU is by the data sending after processing to AD conversion mould Block, and it is output to display module.Filter circuit is provided between acceleration transducer 2 and CPU, acceleration transducer 2 collects Acceleration information be constantly present various noises, in order to obtain preferably as a result, being carried out firstly the need of to data into one Step pretreatment, our target is to make waveform smooth, removes spine, reduces the error of subsequent processing, therefore in acceleration sensing Filter circuit is additionally arranged between device 2 and CPU to overcome this technical problem.

CPU is also connected with temperature sensor 5, and at work, temperature sensor 5 gathers ambient temperature value and is sent to the present invention CPU completions are handled, and temperature sensor 5 gathers ambient temperature value with the variation of site environment temperature, and temperature value is converted to electricity Signal is simultaneously sent to CPU, and temperature signal is output to display module by AD conversion module and shown by CPU, and user passes through liquid crystal Display screen 7 can observe the temperature of site environment.

Above-described specific embodiment has carried out the purpose of the present invention, technical solution and advantageous effect further It is described in detail, it should be understood that the foregoing is merely the specific embodiments of the present invention, is not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done should all include Within protection scope of the present invention.

Claims (5)

1. use the system of sensor sensing chamber intrinsic displacement, which is characterized in that including shell (1), acceleration transducer (2), side To sensor (3), gyro sensor (4), CPU and display module, the acceleration transducer (2) is mounted on shell (1) Front end, acceleration transducer (2) connection CPU；The direction sensor (3) is arranged on the side wall of shell (1), direction sensor (3) CPU is connected；Gyro sensor (4) is mounted at the handle of shell (1), gyro sensor (4) connection CPU；CPU is also AD conversion module is connected, the display module is arranged on the top of shell (1), AD conversion module connection display module；

The acceleration transducer (2) gathers axial acceleration value, and is sent to CPU processing；

The direction sensor (3) gathers bearing data, and is sent to CPU processing；

Gyro sensor (4) acquisition spins up angle value, and is sent to CPU processing；

Data sending after processing to AD conversion module, and is output to display module by the CPU.

2. the system according to claim 1 using sensor sensing chamber intrinsic displacement, which is characterized in that the acceleration passes Sensor (2) is provided with filter circuit between CPU.

3. the system according to claim 1 using sensor sensing chamber intrinsic displacement, which is characterized in that the shell (1) Side wall on go back mounting temperature sensor (5), CPU connection temperature sensors (5), temperature sensor (5) acquisition ambient temperature value It is sent to CPU completions processing.

4. the system according to claim 1 using sensor sensing chamber intrinsic displacement, which is characterized in that the shell (1) On also set up wireless communication module (6), CPU connection wireless communication modules (6), wireless communication module (6) is received after CPU processing Information, and be sent to far-end control system.

5. the system according to claim 1 using sensor sensing chamber intrinsic displacement, which is characterized in that the display module Using liquid crystal display (7).