63 results about "Stadimeter" patented technology

1. Name of the product in this design: Handheld Cooled Day and Night Observation Instrument. 2. Purpose of this design: For observation, and can be used with observation instruments such as thermal imagers, night vision devices, telescopes, and rangefinders. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention discloses a ground source heat pump pipeline settlement detection system and method, belongs to the technical field of underground energy facility safety monitoring, and mainly solves the problems that a traditional underwater environment detection means is low in precision and difficult to implement. The device is fixed to the inner pipe wall of the ground source heat pump through a waterproof protection shell, an integrated underwater laser range finder vertically emits laser to the inner wall of an outer pipe, and the settlement distance is calculated in real time based on the formula d = c * t / 2; meanwhile, the inclination angle of the inner pipe is monitored through a gyroscope chip, the output voltage U and the angular speed omega meet the condition that U = K * omega, and inclination changes are analyzed through the angular acceleration alpha = delta omega / delta t; geospatial data are collected in combination with a GIS module, pipeline features are uploaded to a server by a handheld terminal, and a settlement positioning map is generated; the electronic equipment sets threshold values dmax and theta max, and when the real-time data exceed the threshold values, sound-light alarm is triggered. The system is used for monitoring pipeline settlement displacement and inclination angle changes in a high-precision mode, and automatic fault early warning and precise positioning maintenance are achieved.

1. The name of the design product: hand-held telescope range finder (SW-1000X). 2. The use of the design product: for long-distance observation and has ranging function. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The invention provides a portable low-cost millimeter wave radiation imaging system and system. The system comprises a millimeter wave radiometer, an IMU module, a range finder, an optical camera, an acquisition module, a wireless transceiver module, a power supply module, an equipment appearance tool, client equipment and a detachable portable support rod. The millimeter wave radiometer is used for acquiring a millimeter wave radiation brightness temperature value of an observation scene, the IMU module is used for acquiring azimuth angle and pitch angle information of the meter wave radiometer, the range finder is used for acquiring the distance to the observation scene or a target, and the optical camera is used for acquiring an optical image of the observation scene; synchronously acquiring the data through an acquisition module; the collected data is transmitted to client equipment through the wireless receiving and transmitting module; performing two-dimensional uniform interpolation on the non-uniform azimuth angle and pitch angle on the client device; performing corresponding interpolation processing on the millimeter wave radiation brightness temperature value to generate a homogenized millimeter wave radiation image; and performing registration and fusion display on the millimeter wave radiation image and the optical image.

The invention discloses an underwater binocular camera calibration method based on laser assistance, and the method comprises the steps: firstly constructing an underwater stereoscopic vision binocular refraction-removing imaging model according to the Snell's law, and correcting an underwater imaging error; secondly, acquiring a camera internal reference matrix by using a Zhang Zhengyou calibration method; then, a laser range finder is used for projecting laser to the calibration plate to form a light spot, the center pixel coordinate of the light spot is extracted through a gray gravity center method, the three-dimensional coordinate of the light spot is calculated in combination with laser ranging data, and the initial value of an external parameter matrix of the binocular camera is solved; and finally, introducing a Bayesian optimization algorithm, and optimizing the constraint equation by taking minimization of a three-dimensional coordinate calculation error as a target so as to obtain an exact solution of an external parameter matrix of the camera. Through organic combination of a deep learning technology and binocular stereo vision, the parameter calibration precision of the underwater binocular stereo vision camera is improved, a reliable technical guarantee is provided for subsequent underwater concrete structure defect quantification, and the fine monitoring requirement in a complex water environment is met.

This invention belongs to the field of water environment monitoring technology, specifically relating to an in-situ spectral measurement device and method for shallow lakes. The measurement device includes a housing and a water-passing grid module. A vertical rangefinder, an adjustable mounting bracket, a fixed mounting bracket, and a communication module are mounted on the top of the housing. The adjustable and fixed mounting brackets are used to mount the light source and the spectrometer, respectively. A water inlet is vertically opened in the middle of the side wall of the housing. The water-passing grid module includes a light-blocking baffle and a traction ring. The light-blocking baffle is slidably mounted on the side wall of the housing and is correspondingly positioned to the water inlet. The traction ring is installed on top of the light-blocking baffle and is used to move the light-blocking baffle up and down along the water inlet as it floats with the water level. A signal trigger is located on the side wall of the housing near the top of the water inlet. This invention achieves fully automatic spectral measurement and combines the in-situ characteristics of field acquisition with the illumination stability of darkroom acquisition.

A 3D scanning device includes a distance measuring module, a scanning platform, a control module and a power source module that are accommodated in a space defined by a shell that is operable to open and close. The distance measuring module includes a bracket detachably mounted on the shell, and multiple optical rangefinders on the bracket. The scanning platform includes a stepper motor in the space, and a support base rotatable by the stepper motor. The control module is communicatively connected to the optical rangefinders and the stepper motor. The power source module provides electric power to the optical rangefinders, the stepper motor and the control module.

The invention discloses a multi-beam image sonar and underwater optical image fusion-based comprehensive acquisition device, belongs to the field of underwater acoustic detection, and aims to solve the problem that the cooperative work accuracy of an existing multi-beam image sonar and an underwater optical image device is affected due to the fact that the working frequency of the existing multi-beam image sonar and the working focal length of the underwater optical image device are difficult to achieve ideal adaptation. The system comprises a sonar mechanism, an image acquisition mechanism, a calibration mechanism, a front end fixing block and a horizontal range finder. A wiring pipe is arranged in the center of the front end of the underwater propeller, and one end of the wiring pipe communicates with the interior of the underwater propeller; the front-end fixing block is mounted at the other end of the wiring pipe, and a horizontal range finder is mounted on the front side of the front-end fixing block; the sonar mechanism, the image acquisition mechanism and the calibration mechanism are arranged around the front-end fixing block at equal angles in the circumferential direction, the sonar mechanism and the image acquisition mechanism are both installed on the front-end fixing block, and the calibration mechanism is installed on the wiring pipe in a sleeving mode. The device is mainly used for collecting data of a target object during underwater detection.

This observation device (1) comprises a mechanical structure, a display module (5), an optical combiner (7), and an optical system (9) configured to direct an image from the display module (5) to the optical combiner (7). The optical combiner (7) directs to an observation area (11) the superposition of, on the one hand, a light beam from an observed scene (15) via a direct optical path (3) and, on the other hand, the image from the display module (5). The observation device (1) comprises a rangefinder (27) configured to emit and receive laser radiation to and from the observed scene (15) by passing said laser radiation through the direct optical path (3). Figure for the abbreviation: Fig. 1

The invention discloses a high-precision detection device and method for a large well chamber, and relates to the field of geotechnical engineering detection and test.The detection device comprises a host, a well mouth tripod, a depth step counting wheel, a motor and a spherical machine, and an optical range finder, a sonar probe, a camera and a depth sensor are integrated in the spherical machine; the host controls the motor to drive the depth pedometer wheel to control the lifting of the spherical machine, and the detection mode can be automatically switched; the invention further comprises a detection method based on the device. The method comprises the steps of controlling the spherical machine to ascend and descend, switching detection modes, collecting space information, conducting fusion processing to generate a three-dimensional digital model of the well chamber and the like. According to the invention, digital acquisition and three-dimensional model reconstruction of the spatial contour and the internal structure attribute of the large well chamber are realized, the detection modes can be automatically switched according to the well chamber environment, and the detection precision and efficiency are improved.

The utility model discloses a tower crane tower body inclination monitoring device which comprises an installation support used for being connected with the top of a tower body, a first photoelectric distance measuring instrument and a second photoelectric distance measuring instrument are installed on the installation support, and the first photoelectric distance measuring instrument and the second photoelectric distance measuring instrument are installed in a mutually perpendicular and crossed mode. The first electro-optical distance meter and the second electro-optical distance meter are respectively provided with a level bubble, when the level bubble on the first electro-optical distance meter is centered, the measuring light of the first electro-optical distance meter is parallel to the vertical line of the tower body, and when the level bubble on the second electro-optical distance meter is centered, the measuring light of the second electro-optical distance meter is parallel to the vertical line of the tower body. And the measuring light of the second photoelectric range finder is parallel to the mounting surface of the tower body. According to the utility model, the gradient and the settlement value of the tower body of the tower crane can be continuously monitored, so that the tipping accident of the tower body is avoided.

The invention relates to an observation device (1) which comprises a mechanical structure, a display module (5), an optical combiner (7) and an optical system (9) which is configured to direct an image output from the display module (5) towards the optical combiner (7), the optical combiner (7) directing, towards an observation zone (11), the overlay of a light beam originating from an observed scene (15) via a direct optical path (3) and the image output from the display module (5), the observation device (1) comprising a rangefinder (27) which is configured to emit and receive a laser beam towards and from the observed scene (15) by passing the laser beam through the direct optical path (3).

1. The name of the design product: multi-sensor integrated monitoring sighting device. 2. The use of the design product: used with observation instruments such as thermal imager, night vision device, telescope and range finder. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

1. The name of the design product: multifunctional thermal imager. 2. The use of the design product: used as observation and aiming instruments, such as AR glasses, infrared thermal imagers, cameras, telescopes, range finders, scopes, etc. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The invention discloses a testing device, and relates to the technical field of testing devices.The testing device comprises a workbench, a positioning tool, a moving assembly, a distance measuring instrument, a lead screw and a hysteresis brake, the positioning tool is installed on the workbench, the moving assembly comprises a sliding frame, a calibration piece, a nut and a force sensor, and the sliding frame comprises a first support and a second support; the first support is connected with a moving block of a to-be-detected workpiece, the second support is slidably mounted on the workbench, the nut is connected with the second support, and the calibration piece is mounted on the first support or the second support and can slide along with the first support or the second support; the range finder is used for measuring the sliding distance of the calibration piece; one end of the screw rod is rotationally mounted on the workbench, and the nut is in threaded connection with the screw rod; the hysteresis brake is connected with the other end of the lead screw and used for providing resistance for preventing the lead screw from rotating. According to the invention, the displacement adjustment precision of the lens of the intelligent wearable device can be improved.

The utility model relates to the technical field of lens detection, and discloses a range finder lens eccentricity detection device which comprises a workbench, a clamping assembly is arranged on the surface of the workbench, the clamping assembly comprises a fixing disc, the fixing disc is fixedly connected with a soft cushion through a sliding block, and the sliding block is rotationally connected with a rotating piece through a connecting rod. The sliding block is fixedly connected with a connecting rod through a lengthening rod, the lengthening rod is fixedly connected with a hydraulic rod through the connecting rod, a protective box is arranged on the surface of the workbench, a sliding groove matched with the sliding block is formed in the protective box, and the clamping size can be adjusted through the arranged clamping assembly; the four sets of sliding blocks can slide together, so that the distance between the sliding blocks can be freely adjusted to the needed size, the compatibility of the device is greatly improved, the number of adjusted angles is large, the clamping tightness is improved, and the stability of the device is improved.

The invention provides a method and a system for detecting inclination and eccentricity error separation of an optical mirror surface, and belongs to the technical field of optical detection. According to the method, a non-contact range finder is used for measuring height data of a mirror surface to be measured when the mirror surface rotates for a circle at two different calibers, a relational expression of height data change and inclination and eccentricity is established through a least square method, and accurate measurement and separation of inclination and eccentricity errors are achieved. The system comprises an air floating rotary table, a non-contact measuring head and test software, the rotary table rotates during measurement, the measuring head collects data, and the software processes and outputs a result. The method solves the problem of mutual conversion between inclination and eccentricity when a traditional method is used for measuring the aspherical mirror, improves the measurement precision and the adjustment efficiency, and is suitable for detection and adjustment of the high-precision aspherical mirror.

This application relates to a rangefinder, aiming device, and shooting aid. The rangefinder includes: a housing for detachably fixing to a scope; and a power supply, control module, laser rangefinder module, visible laser designator, display module, and optical diopter adjustment system housed within the housing. The visible laser designator is coaxial with the laser rangefinder module and is used to indicate the position when the rangefinder module's aiming position coincides with the center of the scope's dividing plate. The image displayed by the display module is adjusted by the optical diopter adjustment system to suit the observation habits of different users and to make the rangefinder data visible within the eyepiece field of view of the scope. The rangefinder provided by this application allows users to use the scope normally according to their original usage habits, and can directly observe the rangefinder data within the original scope's eyepiece field of view without any modification or adjustment to the original scope. It is simple, convenient, and cost-effective.

The application discloses a foldable geological exploration portable surveying and mapping device and belongs to the technical field of geological exploration surveying and mapping devices. The foldable geological exploration portable surveying and mapping device comprises a surveying and mapping device body used for geological exploration, a sliding frame is fixedly installed in the surveying and mapping device body, first and second trapezoidal sliding blocks are slidably connected to the surface of the sliding frame, a sliding groove matched with the second trapezoidal sliding block is formed in the surface of the first trapezoidal sliding block, and sliding rails are fixedly installed on the surfaces of the first and second trapezoidal sliding blocks. Compared with the traditional surveying and mapping equipment, the position of the observation port does not change in the process of adjusting the optical range finder, the inconvenience of adjusting the body position of the surveying and mapping personnel following the movement of the observation port is avoided, the efficiency of geological surveying and mapping is improved, and the surveying and mapping personnel can conveniently and accurately observe and judge.

An optical distance measurer includes: a beam splitter splitting a laser beam and outputting as measurement light and reference light; a measurement light beam splitter splitting the measurement light and outputting as first measurement light and second measurement light; a reference light beam splitter splitting the reference light and outputting as first reference light and second reference light; a first optical system having a first Rayleigh length, the first optical system emitting the first measurement light to a target object; and a second optical system having a second Rayleigh length different from the first Rayleigh length, the second optical system emitting the second measurement light to the target object; a first receiver receiving the first reference light and first reflection light that is the first measurement light reflected by the target object and outputting a first receiving signal indicating the first reference light and the first reflection light; and a second receiver receiving the second reference light and second reflection light that is the second measurement light reflected by the target object and outputting a second receiving signal indicating the second reference light and the second reflection light.

The utility model relates to an aspheric lens assembly of a range finder, and relates to the field of lens assembly design in optical measurement equipment, the aspheric lens assembly comprises a sleeve and a lens, a base is fixedly arranged in the sleeve, and the lens is arranged at the top of the base and fixedly connected through a first gland cylinder or glue. In addition, a second gland cylinder and an operation plate are further arranged, a through hole and a first sliding groove are formed in the operation plate, and a movable baffle, a movable spring, a clamping block and a clamping groove structure are arranged in the sliding groove, so that the lens installation stability and convenience are ensured. According to the invention, the lens assembly precision is improved, the lens is effectively shielded and protected, the overall stability of the assembly is enhanced, and the maintenance operation is simplified.

The utility model relates to the technical field of optical cable detection, in particular to optical cable shape stretching processing detection equipment which comprises a bottom base, a first clamping mechanism and a stretching mechanism are arranged on the top face of the bottom base, the stretching mechanism comprises a limiting column, a top supporting plate is fixedly arranged at the top end of the limiting column, and the top supporting plate is in threaded connection with a lifting lead screw. A servo motor is used for driving a driving tooth to rotate, the servo motor is a positive and negative rotation motor, so that a driven tooth is driven to rotate synchronously, a lifting screw rod further drives a limiting plate to move up and down until the optical cable is straightened, the servo motor is closed, and at the moment, a distance measuring instrument installed on the bottom face of a jacking plate is started; and then, the servo motor continues to be started, so that the lifting screw rod drives the limiting plate to vertically ascend, the data change of the range finder and the state of the optical cable are observed, and the shape stretching detection effect of the optical cable is achieved.

Provided is a surveying system 1 comprising: a distance meter 11 integrated with a telescope 6c and configured to measure a distance to a prism 8; an angle detector 12 for detecting angle of the telescope; a rotation drive unit 13 for rotating the telescope 6c; a camera 14 for acquiring an image in front of the telescope 6c; and a control arithmetic unit 30 configured to calculate coordinates of the prism 8 based on the distance and angle detected. The control arithmetic unit 30 sets a wearable article worn by an operator as a preliminary target, detects a person in the image to output an area including the person as an operator candidate, detects the preliminary target in the image, calculate a preliminary rotation angle based on a position of the first preliminary target in the image, and rotate the telescope 6c by the preliminary rotation angle.

The utility model belongs to the technical field of mining transportation, and particularly discloses a continuous automatic detection device for an unloading limit of a bottom side unloading type mine car. Supports are fixed to the outer sides of the two sides of a rail of the detection device respectively, optical range finders are fixed to the top ends of the supports, lenses of the optical range finders upwards point to the bottom faces of wing plates on the corresponding sides of the bottom side dumping mine car on the rail, and a data recording display screen is further arranged in a control room outside the rail. The data recording display screen is in signal connection with the optical range finders on the two sides of the track, and the data recording display screen and the optical range finders are electrically connected with the power source. The optical range finders are arranged on the two sides of the rail respectively to measure the height from the bottom face of the mine car wing plate to the rail top, meanwhile, the data recording display screen connected with the optical range finders is arranged in the control room, whether the numerical value of the mine car meets the limit or not can be displayed in real time, and therefore the potential safety hazard of impact generated when the mine car enters and exits an unloading station is avoided; the device has the characteristics of simple structure, high detection efficiency, safety and reliability.

1. The name of the design product: multifunctional detector platform (B28 platform). 2. The use of the design product: used for night vision, thermal imaging, telescope, scope, rangefinder and other accessories. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1.

The application relates to the technical field of laser detection devices, in particular to a building material detection device based on optical measurement. The device comprises a rack, two fixed rods are fixedly connected to the rack, the two fixed rods are provided with an electric sliding rail, the electric sliding rail is provided with a sliding table, the sliding table is fixedly connected with a first fixed shell, the first fixed shell is slidingly connected with a first sliding piece, the first sliding piece is hingedly connected with a mounting plate, the mounting plate is fixedly connected with a laser range finder and a second fixed shell, the second fixed shell is provided with a second sliding piece, and the second sliding piece is rotatably connected with a first roller. The second fixed shell and the second sliding piece are arranged, when the lower protrusion shakes during the movement of the board, the second fixed shell and the second sliding piece drive the laser range finder to shake synchronously with the board, the distance between the laser range finder and the board is kept, the influence of the vibration of the lower protrusion of the board on the detection when the lower protrusion passes through the conveying roller is reduced, and the detection accuracy is improved.

FIELD: construction.SUBSTANCE: invention relates to equipment and a system for implementing a method for intelligently constructing bored piles in confined spaces. The equipment for intelligent construction of bored piles in confined spaces includes: a running gear (100), a chassis (101), a forward drive mechanism (102) and a steering mechanism (103), a multi-section drill rod system with high-precision control (200) including a mast (201), a lifting frame (202), a threaded drill rod (203), a rotary cutting bit (204), a lower support frame (205), a laser level (206), a laser rangefinder (207), a deviation correction mechanism (208) and an acoustic wave detection sensor (209). The mast (201) is installed on the chassis (101), the lifting frame (202) is mounted on the mast (201), a drive is installed on the lifting frame (202), the output of which is connected to the gearbox; the threaded drill rod (203) is connected to the gearbox and the rotary cutting bit (204) by means of internal and external threaded connections, and adjacent threaded drill rods (203) are connected in series by threaded connections; the lower support frame (205) is installed on the chassis (101) and put on the outer part of the drill rod; two sets of laser levels (206) are installed on the chassis (101) and are located at an angle of 90°; a laser range finder (207) is mounted on a chassis (101); two sets of deviation correction mechanisms (208) are mounted on the chassis (101) for correcting the position of the threaded drill rod (203) in the forward-backward and left-right directions; and four sets of acoustic wave detection sensors (209) are arranged on the outer side of the borehole, respectively; a vacuum separation and auger soil extraction unit (300), including a high-pressure fan (301), a cyclone separator (302) and a pressure sensor (303).EFFECT: providing intelligent control of bored pile construction operations in confined spaces and at deep drilling sites, providing intelligent scanning and model creation, intelligent marking and projection of points onto the terrain, intelligent planning of construction route, intelligent determination of borehole location, intelligent adjustment of spatial position and intelligent control of verticality and drilling depth.14 cl, 29 dwg

The invention is suitable for the technical field of nuclear power, and provides a control method of an irradiation nuclear fuel rod underwater inspection device, a controller and electronic equipment.The method comprises the steps that when fuel lifting equipment is located at an initial inspection position, all shooting equipment is controlled to execute shooting actions so as to obtain an annular image of one end of an irradiation nuclear fuel rod; and in the process that the fuel lifting equipment runs towards the other end of the irradiation nuclear fuel rod, a second distance measured by the distance measuring instrument is obtained, and all the shooting equipment is controlled to execute the shooting action until the difference between the second distance and the first distance is equal to the length of the irradiation nuclear fuel rod. And obtaining an annular image of the irradiated nuclear fuel rod from one end to the other end. Through the method, the shooting time can be greatly shortened.

A portable drilling measuring instrument comprises a receiving rod, a mobile power source is arranged on the outer surface of one side of the receiving rod, the outer surface of the receiving rod and the same side of the mobile power source are connected with a wireless range finder in a magnetic attraction mode, the wireless range finder is provided with a panel and a laser lamp, and the light emitting direction of the laser lamp is parallel to the center line of the receiving rod. A fixed seat is arranged on the outer surface of the other side of the receiving rod, and an inclinometer is arranged on the fixed seat; a lighting camera, an inclinometer and an infrared distance meter are integrated, through modular combination of the measuring end, the measuring rod and the receiving end, measurement of parameters such as the drilling depth and the inclination angle can be completed at a time, real-time visual detection of the rock condition in a hole is synchronously achieved, and compared with a traditional single measuring mode, the working efficiency is improved, the personnel requirement is reduced, and the cost is reduced. The whole set of equipment is light in weight, easy to carry and suitable for rapid measurement of multiple scenes such as tunnels and mines.