Handheld multifunctional measuring equipment

Abstract

The utility model relates to the technical field of laser measurement, and particularly discloses handheld multifunctional measuring equipment which comprises a shell, a measuring device, an auxiliary device, a control device, a calculation module, a communication module and a battery are installed in the shell, the measuring device comprises a laser ranging module and a laser radar, and the auxiliary device comprises an inertial navigation module and a clearance lamp. The central axis of the inertial navigation module chip is aligned with a laser emission port of the laser ranging module, the clearance lamps are located on the two sides of the laser radar, the control device comprises a clearance lamp switch, a power switch and a trigger, the clearance lamp switch and the power switch are arranged on the side face of the shell, and the trigger is arranged in front of the handheld position of the shell. The calculation module comprises a calculation board card and a cooling fan, the communication module is installed below the laser radar, the battery is detachably installed in the shell and connected with the calculation board card, and the handheld multifunctional measuring device can be used for two-dimensional plane data collection and three-dimensional space distance measurement, and is easy to operate and convenient to carry.

Description

TECHNICAL FIELD

[0001] The utility model relates to laser measurement technical field, concretely is a hand -held multifunctional measuring equipment. BACKGROUND

[0002] Laser scanning technology is a kind of non-contact measurement technology using high-resolution scanning point cloud to store and express the space shape and size of the scanned object, laser range finder is the instrument using the distance measurement of target to modulated laser some parameters, and the ranging method is divided into phase method range finder and pulse method range finder, pulse laser range finder is in the work to target and emits a short-lived pulse laser beam or a sequence, by photoelectric element receiving the laser beam of target reflection, timer determines the time of laser beam from emission to reception, calculates the distance from observer to target.Phase method laser range finder is to detect the distance using the phase difference that occurs when detecting emission light and reflected light propagates in space.

[0003] At present, in indoor space measurement work, the efficiency is low using tape measure, or using the way of laser range finder plus tripod, this measurement mode is mature in technology, and the measurement precision is high, but the equipment is inconvenient to carry, and leveling tripod is required before each measurement, and the operation is relatively complex, some surveying and mapping devices, such as the patent with announcement number "CN207992453U" discloses an automatic planar mapping device based on two-dimensional range finder, including two-dimensional laser radar range finder, gyroscope, key, alarm device, display screen, indicator light and processor unit, laser radar range finder and processor unit adopt RS interface to communicate, and the data of laser radar range finder is compensated by using gyroscope to obtain the included angle between the current device and horizontal direction, the device has the following defects: when using, the device needs to be installed at the relative center position of building space, and when moving the device from one space to another space for measurement, the relative center position of space needs to be determined again, so that the device is inconvenient to move and inconvenient to carry. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of prior art, the utility model solves the technical problem of providing a hand -held multifunctional measuring equipment, and solves the problem of inconvenient carrying of existing surveying and mapping device.

[0005] To solve the above problems, the utility model adopts the technical scheme: a handheld multifunctional measuring device, including the shell, the shell shape whole is gun handle shape, install measuring device, auxiliary device, control device, calculation module, communication module and battery in the shell, the measuring device includes laser ranging module and laser radar, laser ranging module is located in the front position of the shell, laser radar is located in the top position of the shell, the scanning part of laser radar protrudes the shell, auxiliary device includes inertial navigation module and contour light, inertial navigation module is horizontally installed just below laser ranging module, the central axis in inertial navigation module chip is aligned with the laser emission port of laser ranging module, is used for correcting measurement data, contour light is located in both sides of laser radar, is used for showing the scanning range of laser radar, control device includes contour light switch, power switch and trigger, contour light switch and power switch are set up in the side of shell, are used for controlling contour light to open and close and power on and off, trigger is set up in front of the handheld position of shell, calculation module includes computing board card and cooling fan, computing board card is connected with laser ranging module, laser radar, inertial navigation module, contour light, communication module and cooling fan through interface, communication module is installed in the position below laser radar, battery is detachably installed in the shell and is connected with computing board card.

[0006] The beneficial effects of the present scheme are: compared with the existing inconvenient surveying and mapping device, the handheld multifunctional measuring device of the utility model integrates measuring device, auxiliary device, control device, calculation module, communication module and battery and other components in the shell in the shape of gun handle, measures data through laser ranging module and laser radar, the data provided by inertial navigation module is processed by calculation module to correct and save the measurement data, and the communication module sends the measurement data to the external display terminal, so that the measurement data can be viewed in time, and the device only needs to be held during measurement, and the trigger can be pulled to start or end the measurement, realizing handheld measurement of indoor space data, which can be used for two-dimensional plane data collection and three-dimensional space distance measurement, and is simple and convenient to carry.

[0007] Further, the side wall of the shell is provided with a cooling hole corresponding to the positions of the cooling fan and the battery, so that the heat in the shell can be dissipated, preventing the device from being affected by high temperature.

[0008] Further, a TF card slot is arranged on the calculation module for inserting a TF card to store measurement data.

[0009] Further, the communication module adopts a Bluetooth communication protocol, so that the device can be connected with the external display terminal, such as a mobile phone and other devices carried on the body, to display the measurement data. BRIEF DESCRIPTION OF DRAWINGS

[0010] Fig. 1 It is a structural schematic view of the handheld multifunctional measuring device of the utility model.

[0011] Fig. 2 is a right schematic view of the handheld multifunctional measuring device of the utility model;

[0012] Fig. 3 is a left schematic view of the handheld multifunctional measuring device of the utility model;

[0013] Fig. 4 is a schematic view of internal structure of the handheld multifunctional measuring device of the utility model;

[0014] In the figure: 1 - shell, 2 - laser ranging module, 3 - laser radar, 4 - inertial navigation module, 5 - outline lamp, 6 - outline lamp switch, 7 - power switch, 8 - trigger, 9 - computing board card, 10 - cooling fan, 11 - communication module, 12 - battery. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0016] The embodiments such as the drawings Figs. 1 to 4The device is a handheld multifunctional measuring device, which includes a shell 1, the shell 1 is shaped as a gun handle, which is convenient for handheld use, the shell 1 is internally provided with a measuring device, an auxiliary device, a control device, a calculation module, a communication module 11 and a battery 12, the measuring device includes a laser ranging module 2 and a laser radar 3, the laser ranging module 2 is located at the front position of the shell 1, which is used to obtain the distance from the objects such as the wall surface in the indoor space to the measuring device, the laser radar 3 is located at the top position of the shell 1, the scanning part of the laser radar 3 protrudes from the shell 1, which is used to collect the point cloud data of the indoor space, the auxiliary device includes an inertial navigation module 4 and a contour light 5, the inertial navigation module 4 is horizontally installed below the laser ranging module 2, the central axis of the chip of the inertial navigation module 4 is aligned with the laser emission port of the laser ranging module 2, the contour light 5 is located on both sides of the laser radar 3, which emits light beams to the surrounding of the device after being powered on, and is used to show the scanning range of the laser radar 3, the control device includes a contour light switch 6, a power switch 7 and a trigger 8, the contour light switch 6 and the power switch 7 are arranged on the side surface of the shell 1, which are used to control the contour light 5 to be turned on and off and the power to be turned on and off, the trigger 8 is arranged in front of the handheld position of the shell 1, which is used to start and end the measurement, which is convenient for handheld operation, the calculation module includes a calculation board card 9 and a cooling fan 10, the calculation board card 9 is connected with the laser ranging module 2, the laser radar 3, the inertial navigation module 4, the contour light 5, the communication module 11 and the cooling fan 10 through interfaces respectively, a TF card slot is arranged on the calculation module, a TF card is installed in the TF card slot, which is used to store the measurement data, the calculation module can adopt a Raspberry Pi cm4, the interfaces provided by the Raspberry Pi cm4 can meet the use of the measuring device, and the processing program of the measuring device can be imported into the calculation module through the program burning interface on the Raspberry Pi cm4, the communication module 11 is installed below the laser radar 3, which is used to transmit the data of the laser ranging module 2, the laser radar 3 and the inertial navigation module 4 to the external display end after being processed by the calculation module, the communication module 11 adopts a Bluetooth communication protocol, which is convenient for connecting the device with the external display end such as the device carried by the user, such as a mobile phone, to display the measurement data, the battery 12 is detachably installed in the shell 1 and connected with the calculation board card 9, which is used to power the device.

[0017] The specific implementation process is as follows: when collecting two-dimensional data indoors, the handheld measuring device is powered on by turning on the power switch 7 and the outline lamp switch 6, the computing module is powered on, and the modules in the measuring device start to work. The outline lamp 5 is lit to show the scanning range of the laser radar 3. The measuring device is connected to the external display terminal through the communication module 11. The laser radar 3 collects the point cloud data of the indoor space and the quaternion information provided by the inertial navigation module 4 and transmits them to the computing module. The inertial navigation module 4 integrates a gyroscope, an accelerometer, and an attitude sensor, and the output data is quaternion information. The quaternion information provided by the inertial navigation module 4 can reflect the angle, acceleration, and coordinate position of the device. After processing by the computing module, the measurement data scanned by the laser radar 3 is corrected, and real-time motion compensation is performed to correct the influence of device tilt and jitter caused by handheld on the data. The processing program of the computing module includes the SLAM algorithm, which is often used in positioning and map construction in unknown environments. The computing module can transform the coordinate system of the point cloud data according to the quaternion information, and transform the coordinate system position of the point cloud data to the coordinate system position of the computing module to form accurate two-dimensional data. The communication module 11 sends the corrected radar data to the display terminal, and the scanning range of the laser radar 3 is viewed through the display terminal. After determining the range, the trigger 8 is pulled, and the laser ranging module 2 and the laser radar 3 start to collect data. After obtaining the required data, the trigger 8 is pulled again to end the data collection. The collected data is automatically stored in the TF card. The two-dimensional data obtained after processing the data in the TF card by the computing module is stored in the TF card and sent to the display terminal, so that the measured data can be viewed in time.

[0018] When measuring the distance between two points in a three-dimensional space, the device is started, the external display terminal is connected, the laser is aimed at the first measurement point, the trigger 8 is pulled, the laser ranging module 2 measures the distance from the device to the measurement point, and the angle data in the inertial navigation module 4 data is used to convert the first measurement point coordinate to the world coordinate system. At the same time, the data of the laser radar 3 and the inertial navigation module 4 is collected, and the device is moved to the second measurement point. In this process, the three-axis acceleration information output by the inertial navigation module 4 is used to calculate the displacement of the device in the world coordinate system, and the change of the scanning data of the laser radar 3 is used to identify the time interval of the movement. The laser is aimed at the second measurement point, the trigger 8 is pulled, the laser ranging module 2 measures the distance from the device to the point, and the angle data in the inertial navigation module 4 data is used to convert the second measurement point to the world coordinate system. The computing module calculates the distance between the two points in space according to the coordinates of the first point and the second point and the device displacement, copies and stores the calculation result to the TF card, and sends it to the display terminal. This device can measure the distance in a scene with low precision requirement. The measurement can be completed by hand, and the operation is simple and convenient to carry.

[0019] The above only is the embodiment of the present application, and the well-known specific structure and characteristics and other common knowledge in the scheme are not described too much here. It should be pointed out that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application. The protection scope claimed in the present application should be subject to the content of its claims, and the specific implementation mode and the like recorded in the specification can be used to explain the content of the claims.

Claims

1. A hand-held multi-function measuring device comprising a housing, characterized in that: The overall shape of the shell is a pistol handle shape, the shell is internally provided with a measuring device, an auxiliary device, a control device, a calculation module, a communication module and a battery, the measuring device comprises a laser ranging module and a laser radar, the laser ranging module is located at the front position of the shell, and the laser radar is located at the top position of the shell, the scanning part of the laser radar protrudes out of the shell, the auxiliary device comprises an inertial navigation module, the inertial navigation module is horizontally installed below the laser ranging module, the central axis of the chip of the inertial navigation module is aligned with the laser emission port of the laser ranging module, and the inertial navigation module is used for correcting the measurement data, the control device comprises a power switch and a trigger, the power switch is arranged on the side surface of the shell and is used for controlling the power on and off, and the trigger is arranged in front of the hand-held position of the shell, the calculation module is connected with the laser ranging module, the laser radar, the inertial navigation module and the communication module through an interface, the communication module is installed below the laser radar, and the battery is detachably installed in the shell and connected with the calculation module.

2. The handheld multifunction measurement device according to claim 1, characterized in that: The auxiliary device further comprises a clearance lamp, the clearance lamp is located on both sides of the laser radar and is connected with the calculation module, and is used for displaying the scanning range of the laser radar.

3. The handheld multifunction measurement device of claim 1, wherein: The control device further comprises a clearance lamp switch, the clearance lamp switch is arranged on the side surface of the shell and is used for controlling the opening and closing of the clearance lamp.

4. The handheld multifunction measurement device of claim 1, wherein: The calculation module comprises a calculation board and a cooling fan.

5. The handheld multifunction measurement device of claim 1, wherein: The side wall of the shell is provided with a cooling hole corresponding to the position of the cooling fan and the battery.

6. The handheld multifunction measurement device of claim 1, wherein: A TF card slot is arranged on the calculation module.

7. The handheld multifunction measurement device of claim 1, wherein: The communication module adopts a Bluetooth communication protocol.

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