摘要:
The invention relates to a distance measuring unit (10) for contactless distance measurement, in particular a handheld unit, with a housing (12, 40), which has a housing front side (14), which points in the measurement direction (32), and a housing rear side (16), which faces away therefrom, wherein the housing rear side (16) forms a first reference plane (AA) for the distance measurement, and with at least one measurement stop (5) of a measurement stop element (4), which can be moved out of the housing (12). The invention proposes that the measurement stop element (46) is mounted in the housing (12, 40) in such a way that it moves automatically out of the housing (12, 40) once a locking apparatus (62, 63, 65) has been released and is optionally moved at least into a first (1) or into a second (1) measurement position.
摘要:
The invention relates to a device for optically measuring distance, in particular a hand-held device, comprising an transmitter unit (12) which is provided with a light source (17, 18) for transmitting optical measuring radiation (13, 20, 22) to a target object (15), and a capturing unit (14) which is arranged at a distance on the optical axis (38) of the transmitter unit (14). Said capturing unit (14) comprises at least one optical detector (54) comprising a detection surface (66) for capturing optical radiation (16, 49, 50) reflected by the target object (15). According to the invention, the detection surface (66) of the detector (54) comprises an optical near range element (68), whose optically active surface (72, 74) is elongated in the direction (61) of the radiation shift for receding target object separations (48) and expands or has at least one essentially constant extension.
摘要:
The invention is based on a measuring device, in particular a distance measuring device, having a transmission unit (18) for transmitting a measurement signal (22) and a processing unit (30) which is intended to process the measurement signal (22) and has a frequency response (70) having a first resonant frequency range (76) in which the measurement signal (22) is arranged. The invention proposes that the frequency response (70) has at least one second resonant frequency range (78) in which the measurement signal (22) is arranged during a measurement.
摘要:
The invention relates to a method for measurement of a line (S), in particular, an optical distance measurement method, whereby an input means (24,42) of a distance measuring device (20,22) is operated, which triggers a measuring sequence of distance measurements, during which individual measurements (10-16) of distances from the distance measuring device (20,22) triggered by the distance measuring device (20,22) are carried out perpendicular to the line (s) for measurement. According to the invention, at least one maximum value (10,16) and at least one minimum value of the distances are determined from the measuring sequence and the length of the line (s) determined from the at least one maximum value (10,16) and the at least one minimum value (13). The invention further relates to a distance measuring device (20,22), in particular, a hand-held measuring device for carrying out said method.
摘要:
The present invention relates to a device (10) for distance measurement, with at least one transmitting branch (14) with a transmission source (22, 24) for a measurement signal for emitting a modulated measuring beam (16, 26, 36) in the direction of a target object (20), and with a receive branch (18) for the measurement radiation (17, 44) returning from the target object (30), and with a control and evaluation unit (28, 58) for determining the distance of the device (10) to the target object (20) from the measurement radiation returning from the target object (20).It is proposed according to the invention that the device (10) include means that enable measurement of distances with predetermined measurement uncertainties.The present invention further relates to a method for distance measurement, with which a measurement of distances with predetermined measurement uncertainties is possible. To ensure a distance measurement in a certain, predetermined measurement time, the value on which a distance measurement is based can be adjusted to the measurement uncertainty, and can be increased incrementally in particular.
摘要:
A device for adjusting an optical mirror (33) is disclosed, which has a mirror holder (36), which receives the mirror (33) and is held on a holder profile section (40), and three adjusting pins (37), which pass through threaded bores (42), offset in the circumferential direction from one another in the mirror holder (36), and which are axially adjustable by being screwed into the threaded bores (42) and are braced by their base points (371) on buttresses (43) embodied on the holder profile section (40). For the sake of exact, fast adjustment of the mirror (33), the buttresses (43) are embodied such that on the one hand, they center the mirror holder (36) via the adjusting pins (37), and on the other, at least two buttresses (43) allow the base point (371) of the respective adjusting pin (37) to shift radially outward (FIG. 4).
摘要:
The invention relates to a device for distance measurement, comprising a housing (24) which is provided with an integrated emitting unit (32) for a measuring signal (34, 36) and a receiving unit (38) for the measuring signal (34, 36) returned from a target object (16), and an evaluation unit (46) for determining the distance (d) between at least one reference point (14) of the housing (24) and the target object (16, 18), a display device (50) which reproduces said distance (d), and at least one receiving element (28) which is connected to the housing (24) and receives a holding element (12, 13) of the device.According to the invention, means (66, 84, 86) are provided in or on the housing (24) of the device (10) for detecting an inserted holding element (12, 13) for the housing (24). Said means automatically transmit the reference point (14) of the distance measurement to the evaluation unit (46), said reference point being used for a measurement with the aid of said holding element (12, 13).
摘要:
An auxiliary housing for holding a distance measuring device has a housing part which forms a receptacle for insertion of the distance measuring device, a threaded bushing for mounting the housing part on a tripod, the threaded bushing having a longitudinal axis which coincides with an abutment surface operating as a reference surface for a hand-guided measuring process when the distance measuring device is inserted in the housing part.
摘要:
The invention relates to a distance measuring unit (10) for contactless distance measurement, in particular a handheld unit, with a housing (12, 40), which has a housing front side (14), which points in the measurement direction (32), and a housing rear side (16), which faces away therefrom, wherein the housing rear side (16) forms a first reference plane (AA) for the distance measurement, and with at least one measurement stop (5) of a measurement stop element (4), which can be moved out of the housing (12). The invention proposes that the measurement stop element (46) is mounted in the housing (12, 40) in such a way that it moves automatically out of the housing (12, 40) once a locking apparatus (62, 63, 65) has been released and is optionally moved at least into a first (1) or into a second (1) measurement position.
摘要:
A device for optically measuring distance, in particular a hand-held device, comprising an transmission unit (12) which is provided with a light source (17, 18) for emitting optical measuring radiation (13, 20, 22) towards a target object (15), and a capturing unit (14) which is arranged at a distance from the optical axis (38) of the transmission unit (12). The capturing unit (14) comprises at least one optical detector (54) for capturing optical radiation (16, 49, 50) reflected by the target object (15). The detector (54) of the capturing unit (14) comprises a plurality of light-sensitive surfaces (70, 72, 74; 170, 172, 174; 270, 272, 274; 370, 372; 470, 472; 570, 572) which are separated from each other and which are be activated separately. The invention also relates to a method for operating a device for optically measuring distance.