CN207540560U - A kind of device for being used to detect indoor effectively displacement - Google Patents

Abstract

The utility model discloses a kind of for detecting the device of indoor effectively 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 acquires axial acceleration value, and is sent to CPU processing；Direction sensor acquires bearing data, and is sent to CPU processing；Gyro sensor acquisition spins up angle value, and be sent to CPU processing；Data after processing are sent to AD conversion module by CPU, and are output to display module, and CPU is also connected with temperature sensor, wireless communication module.The utility model uses multiple sensors, ensure that the accuracy of testing result, while sensor production is at low cost and easy to operate；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

A kind of device for being used to detect indoor effectively displacement

Technical field

The utility model is related to a kind of effective displacement detectors in interior, and in particular to one kind is used to detect indoor significance bit The device of shifting.

Background technology

The method for calculating indoor distances at present mainly has following three kinds, when based on professional distance-measuring equipment, such as laser ranging Instrument, sonar ranging instrument etc.；Second is that the technology based on image analysis, using the method for image procossing, deconstructs each object in image Spatial position and space length relationship；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 to measure accurately, and error is smaller, but cost is higher, and needs profession Operating personnel operation；Method advantage based on image analysis is not need to professional equipment, 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 Too big calculation amount is not needed to for image procossing yet, but current such method is used primarily in and measures the fields such as 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 True misalignment can be reacted, result is also unable to reach the structure required precision of map.

Utility model content

Technical problem to be solved in the utility model is that existing distance-measuring equipment measurement precision is low and cost is higher, mesh Be provide a kind of for detecting the device of indoor effectively displacement, solve existing distance-measuring equipment and measure that precision is low and cost The problem of higher.

The utility model is achieved through the following technical solutions：

A kind of device for being used to detect indoor effectively displacement, including shell, acceleration transducer, direction sensor, gyro Instrument sensor, CPU and display module, the acceleration transducer are mounted on the front end of shell, acceleration transducer connection CPU； The direction sensor is arranged on the side wall of 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 acquires axial acceleration value, and is sent to CPU processing；

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

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

Data after processing are sent to AD conversion module by the CPU, and are output to display module.Existing interior survey Away from device measuring precision, low and cost is higher, and the acceleration transducer that the utility model uses can generate x, y, z three just Acceleration value in quadrature axis, correspond to respectively human body lateral, forward direction, longitudinal direction acceleration, due to the change of people's center of gravity when walking Change obvious and there is certain stability, i.e., acceleration change has stronger identifiability, acceleration transducer in z-axis Collected acceleration value is converted into electric signal and is sent to CPU, direction sensor is converted to collected bearing data Electric signal is simultaneously sent to CPU, and the collected angle value that spins up is converted to electric signal and is sent to CPU by gyro sensor； The acceleration information received, directional information and rotary acceleration information are carried out analysis calculating, output displacement value and direction by CPU Value, is then converted to analog signal, and be sent to display module and show by AD conversion module by the CPU digital signals exported.

As the improvement for said program, filter circuit, acceleration are provided between the acceleration transducer and CPU The collected acceleration information of sensor 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 acquires 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.

The utility model compared with prior art, has the following advantages and advantages：

1st, the utility model is a kind of for detecting the device of indoor effectively displacement, using multiple sensors, ensure that detection As a result accuracy, while sensor production is at low cost and easy to operate；

2nd, the utility model is a kind of for detecting the device of indoor effectively displacement, and detection knot is shown using liquid crystal display Fruit, the user that is more convenient for intuitively observe testing result, are effectively improved data user rate.

Description of the drawings

Attached drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application Part does not form the restriction to the utility model embodiment.In the accompanying drawings：

Fig. 1 is Tthe utility model system block diagram；

Fig. 2 is the utility model structure diagram.

Label 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

For the purpose of this utility model, technical solution and advantage is more clearly understood, with reference to embodiment and attached drawing, The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this Utility model is not intended to limit the scope of the present invention.

Embodiment 1

As shown in Figure 1 and Figure 2, it is a kind of for detecting the device of indoor effectively displacement, including shell 1, acceleration transducer 2, Direction sensor 3, gyro sensor 4, CPU and display module, more than acceleration transducer 2, direction sensor 3, gyro Instrument sensor 4 and CPU are the components that can directly buy on the market now, and the acceleration transducer 2 is mounted on outer The front end of shell 1, acceleration transducer 2 connect CPU；The direction sensor 3 is arranged on the side wall of shell 1, and direction sensor 3 connects Meet 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 acquires axial acceleration Angle value, and it is sent to CPU processing；Direction sensor 3 acquires bearing data, and is sent to CPU processing；Gyroscope passes The acquisition of sensor 4 spins up angle value, and be sent to CPU processing；Data after processing are sent to AD conversion mould by CPU Block, and it is output to display module.Existing interior distance-measuring equipment measurement precision is low and cost is higher, what the utility model used Acceleration transducer 2 can generate the acceleration value on three quadrature axis of x, y, z, correspond to lateral human body, forward direction, longitudinal direction respectively Acceleration, since the variation of people's center of gravity when walking is obvious and with certain stability, i.e. acceleration change in z-axis With stronger identifiability, collected acceleration value is converted to electric signal and is sent to CPU by acceleration transducer 2, side Collected bearing data is converted into electric signal to sensor 3 and is sent to CPU, gyro sensor 4 is by collected rotation Rotational acceleration value is converted to electric signal and is sent to CPU；CPU is by the acceleration information received, directional information and spins up Degree information carries out analysis calculating, output displacement value and direction value, is then turned by the digital signal that AD conversion module exports CPU Analog signal is changed to, and is sent to display module and shows.

The existing method advantage based on professional distance-measuring equipment is to measure accurately, and error is smaller, but cost is higher, and is needed Professional operator is wanted to operate；Method advantage based on image analysis is not need to professional equipment, 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 reality 4 matched scheme of acceleration transducer 2, direction sensor 3 and gyro sensor is used with novel.The utility model is in work When making, user carries device, and acceleration transducer 2 acquires acceleration information, and direction sensor 3 acquires bearing data, The acquisition of gyro sensor 4 spins up degrees of data, and be uniformly sent to CPU, and CPU exports effective displacement by analyzing to calculate And direction, then by AD D/A converter modules and liquid crystal display 7 is output to, user is directly observed by liquid crystal display 7 To displacement data and bearing data.

Embodiment 2

As shown in Figure 1 and Figure 2, it is a kind of for detecting the device of indoor effectively displacement, including shell 1, acceleration transducer 2, Direction sensor 3, gyro sensor 4, CPU and display module, more than acceleration transducer 2, direction sensor 3, gyro Instrument sensor 4 and CPU are the components that can directly buy on the market now, and the acceleration transducer 2 is mounted on outer The front end of shell 1, acceleration transducer 2 connect CPU；The direction sensor 3 is arranged on the side wall of shell 1, and direction sensor 3 connects Meet 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 acquires axial acceleration Angle value, and it is sent to CPU processing；Direction sensor 3 acquires bearing data, and is sent to CPU processing；Gyroscope passes The acquisition of sensor 4 spins up angle value, and be sent to CPU processing；Data after processing are sent to AD conversion mould by CPU 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 when the utility model at work, temperature sensor 5 acquires ambient temperature value and sends It is handled to CPU completions, temperature sensor 5 acquires ambient temperature value with the variation of site environment temperature, and temperature value is converted to Electric 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, the purpose of this utility model, technical solution and advantageous effect have been carried out into One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced It changes, improve, should be included within the scope of protection of this utility model.

Claims (5)

1. It is 1. a kind of for detecting the device of indoor effectively displacement, which is characterized in that including shell (1), acceleration transducer (2), Direction 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 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) acquires axial acceleration value, and is sent to CPU processing；

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

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

   Data after processing are sent to AD conversion module by the CPU, and are output to display module.
2. A kind of 2. device for being used to detect indoor effectively displacement according to claim 1, which is characterized in that the acceleration Sensor (2) is provided with filter circuit between CPU.
3. A kind of 3. device for being used to detect indoor effectively displacement according to claim 1, which is characterized in that the shell (1) mounting temperature sensor (5), CPU connection temperature sensors (5), temperature sensor (5) acquisition environment temperature are gone back on side wall Value is sent to CPU completions processing.
4. A kind of 4. device for being used to detect indoor effectively displacement according to claim 1, which is characterized in that the shell (1) wireless communication module (6), CPU connection wireless communication modules (6) are also set up on, wireless communication module (6) receives CPU processing Information later, and it is sent to far-end control system.
5. A kind of 5. device for being used to detect indoor effectively displacement according to claim 1, which is characterized in that the display mould Block uses liquid crystal display (7).