WO2019024728A1 - 光学探测组件、探测器及激光测距系统 - Google Patents

光学探测组件、探测器及激光测距系统 Download PDF

Info

Publication number
WO2019024728A1
WO2019024728A1 PCT/CN2018/096943 CN2018096943W WO2019024728A1 WO 2019024728 A1 WO2019024728 A1 WO 2019024728A1 CN 2018096943 W CN2018096943 W CN 2018096943W WO 2019024728 A1 WO2019024728 A1 WO 2019024728A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical detection
optical
photosensitive element
detection assembly
light
Prior art date
Application number
PCT/CN2018/096943
Other languages
English (en)
French (fr)
Inventor
石昕
邢星
Original Assignee
上海诺司纬光电仪器有限公司
美国西北仪器公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 上海诺司纬光电仪器有限公司, 美国西北仪器公司 filed Critical 上海诺司纬光电仪器有限公司
Priority to US16/609,204 priority Critical patent/US11598851B2/en
Priority to EP18841647.3A priority patent/EP3660450A4/en
Publication of WO2019024728A1 publication Critical patent/WO2019024728A1/zh

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/481—Constructional features, e.g. arrangements of optical elements
    • G01S7/4816—Constructional features, e.g. arrangements of optical elements of receivers alone
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0411—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using focussing or collimating elements, i.e. lenses or mirrors; Aberration correction
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G01J1/04—Optical or mechanical part supplementary adjustable parts
    • G01J1/0407—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings
    • G01J1/0414—Optical elements not provided otherwise, e.g. manifolds, windows, holograms, gratings using plane or convex mirrors, parallel phase plates, or plane beam-splitters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/70—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using electromagnetic waves other than radio waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S1/00—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith
    • G01S1/70—Beacons or beacon systems transmitting signals having a characteristic or characteristics capable of being detected by non-directional receivers and defining directions, positions, or position lines fixed relatively to the beacon transmitters; Receivers co-operating therewith using electromagnetic waves other than radio waves
    • G01S1/703—Details
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/12—Systems for determining distance or velocity not using reflection or reradiation using electromagnetic waves other than radio waves
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06—Systems determining position data of a target
    • G01S17/08—Systems determining position data of a target for measuring distance only
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
    • G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
    • G01S7/4808—Evaluating distance, position or velocity data

Definitions

  • the present invention relates to the field of distance measurement and positioning, and more particularly to an optical detection assembly, a detector for use with a laser emitting device including the optical detection assembly, and a laser ranging including the detector system.
  • the patent publication CN101206113A discloses a range finder and a ranging method thereof.
  • the range finder disclosed in the patent is a rotating light source for providing a light beam having a predetermined rotational speed, and then a receiver. Detecting the time difference when the beam is rotated from the first position of the receiver to the second position, and calculating the distance between the receiver and the rotating light source according to the detected time difference and the distance between the first position and the second position of the receiver .
  • the range finder and the distance measuring method described above can conveniently realize the function of distance measurement in the laser level, thereby improving the construction convenience of the engineer.
  • FIG. 1 shows a schematic diagram of a range finder according to the disclosure of the patent.
  • the range finder 10 in order to improve the profitability of the construction of the engineer, the range finder 10 is constructed on the uniaxial rotating laser level 11 and its receiver 12, so that the uniaxial rotating laser level 11 can not only provide automatic leveling. Rotating the laser beam 13 to project a horizontal reference line on the construction wall can also assist the engineer in measuring the distance required for the construction marking.
  • the receiver 12 may further include a remote control circuit 16 such as a rotating speed of the remote control single-axis rotary laser level 11 to become a remote controller of the remote control single-axis rotary laser level 11 .
  • a remote control circuit 16 such as a rotating speed of the remote control single-axis rotary laser level 11 to become a remote controller of the remote control single-axis rotary laser level 11 .
  • the laser beam 13 rotating at a predetermined rotational speed is not provided, and the receiver 12 is further applied to detect the laser beam 13 from the first position 14 of the receiver 12.
  • the time difference between the second position and the second position 15 is rotated to the distance between the first position 14 and the second position 15 to calculate the distance between the receiver 12 and the uniaxial rotating laser level 11.
  • the detector assembly includes a separate first receiving circuit and a second receiving circuit, and the first receiving circuit and the second receiving circuit respectively include: a light sensor for receiving the The light beam outputs a current signal; the conversion circuit is connected to the photo sensor for converting the current signal into a voltage signal; and the amplifying circuit is coupled to the conversion circuit for amplifying the voltage signal And a comparator connected to the amplifying circuit for comparing the amplified voltage signal with a reference level, and outputting an electrical signal representing the detected beam.
  • each detector assembly must include at least two sets of light sensors, conversion circuits, amplification circuits, and comparators.
  • Such detector assemblies are expensive to manufacture and complex in construction.
  • each detector component in the prior art must include at least two sets of photosensors, conversion circuits, amplifying circuits, and comparators to make such detector assemblies expensive to manufacture and complicated in structure, and the present invention
  • the first aspect provides an optical detection assembly, the optical detection assembly comprising:
  • a photosensitive element configured to receive an optical signal and convert it into an electrical signal
  • a light guiding member comprising a first portion for receiving a light beam and directing the light beam to the photosensitive element and a second portion for receiving a light beam and directing the light beam to the photosensitive element.
  • the optical detecting assembly according to the present invention can realize the processing of optical signals at different positions by using only one set of photosensitive members by providing the light guiding member, thereby advantageously simplifying the structure of the optical detecting assembly in the prior art and correspondingly The manufacturing cost of the optical detecting assembly in the prior art is reduced.
  • the optical detecting component further includes:
  • a signal processing module configured to process the electrical signal.
  • the optical detecting component further includes:
  • An amplifying circuit coupled between the photosensitive element and the signal processing module and configured to amplify and output the electrical signal originating from the photosensitive element to the signal processing module.
  • the optical detecting component further includes:
  • a filter circuit coupled between the photosensitive element and the signal processing module and configured to filter the electrical signal originating from the photosensitive element.
  • the first portion and the second portion are configured to be positioned opposite each other on the light guiding member.
  • the first portion is configured to first receive the beam and direct the beam to a portion of the photosensitive element, the second portion configured to receive the beam last And directing the beam to a portion of the photosensitive element.
  • the spacing between the first portion and the second portion is set to a first spacing.
  • the photosensitive element is constructed as a photoelectric sensing device.
  • the photoelectric sensing device comprises a charge coupled device (CCD), an avalanche photodiode (APD), a silicon photocell or a solar battery.
  • CCD charge coupled device
  • APD avalanche photodiode
  • silicon photocell or a solar battery.
  • the optical detection assembly further includes a timing module configured to calculate that the first portion and the second portion of the light guiding member sense the The time difference between the beams.
  • the light guiding member is configured as a spherical mirror, a free-form surface mirror, an aspheric mirror, a light guiding rod, a light guiding surface, a plane mirror, a light guiding rod, an optical fiber or a mirror.
  • a second aspect of the invention provides a detector for use with a laser emitting device, the detector comprising the optical detecting assembly according to the first aspect of the invention.
  • the number of the optical detecting components is at least two groups, and the at least two sets of optical detecting components are arranged in a circumferential shape.
  • a third aspect of the invention provides a laser ranging system comprising a laser emitting device and a detector according to the second aspect of the invention.
  • a fourth aspect of the invention provides a laser ranging method, the method comprising:
  • the method further comprises:
  • the position of the optical detection assembly is adjusted based on the energy distribution of the laser rotating at the first rotational speed on the first packet and the second packet to determine a horizontal plane indicated by the laser light rotated at the first rotational speed.
  • the optical detecting assembly according to the present invention can realize the processing of optical signals at different positions by using only one set of photosensitive members by providing the light guiding member, thereby advantageously simplifying the structure of the optical detecting assembly in the prior art and correspondingly The manufacturing cost of the optical detecting assembly in the prior art is reduced.
  • Figure 1 shows a schematic view of a range finder 10 according to the prior art
  • FIG. 2 shows a schematic diagram of an optical detection assembly 200 in accordance with an embodiment of the present invention
  • FIG. 3 shows a schematic diagram of an optical detection assembly 300 in accordance with another embodiment of the present invention.
  • FIG. 4 shows a schematic diagram of an optical detection assembly 400 in accordance with yet another embodiment of the present invention.
  • Figure 5 shows a schematic diagram of a detector 500 in accordance with one embodiment of the present invention
  • FIG. 6 shows a flow chart of a laser ranging method 600 in accordance with one embodiment of the present invention.
  • horizontal setting and vertical setting refer to the arrangement of the photosensitive elements contained in the laser receiving device, wherein the term “vertical”
  • the straight setting represents that the photosensitive member such as a strip included in the laser receiving device is disposed substantially perpendicular to the horizontal plane
  • horizontal setting means that the photosensitive members such as strips included in the laser receiving device are substantially at the same horizontal plane.
  • each detector component in FIG. 1 must include at least two sets of photosensors, conversion circuits, amplifying circuits and comparators to make such detector components costly and complicated in structure
  • the present invention proposes a For example, the structure of the novel optical detecting assembly shown in FIGS. 2 to 4, each embodiment of the optical detecting assembly disclosed in accordance with the present invention will be separately described below with reference to FIGS. 2 through 4, but those skilled in the art should It is to be understood that the embodiments of Figures 2 to 4 are merely exemplary and not limiting, and are merely illustrative of possible configurations of optical detection assemblies in accordance with the present invention, and are not intended to be exhaustive. All possible configurations of the optical detecting assembly of the present invention can be modified by those skilled in the art without departing from the concept of the present invention, and the modified form is still in the present invention. Within the scope of protection of the invention.
  • the optical detection assembly 200 in accordance with the present invention includes a photosensitive element 210 that is configured to receive an optical signal and convert it into an electrical signal; further, in accordance with the present invention
  • the optical detection assembly 200 further includes a light directing component 220 that includes a first portion 221, 223 for receiving a beam of light and directing the light beam to the photosensitive element 210 and for receiving and directing the light beam to the photosensitive element 210
  • the second part 222, 224 is a light directing component 220 that includes a first portion 221, 223 for receiving a beam of light and directing the light beam to the photosensitive element 210 and for receiving and directing the light beam to the photosensitive element 210
  • the second part 222, 224 The second part 222, 224.
  • the optical detecting assembly according to the present invention can realize the processing of optical signals at different positions 221, 222, 223 and 224 by using only one set of photosensitive elements 210 by providing the light guiding member 220, thereby advantageously
  • the structure of the optical detecting assembly in the prior art is simplified and the manufacturing cost of the optical detecting assembly in the prior art is correspondingly reduced.
  • the present invention utilizes the optical characteristics of the light guiding member 220 that is capable of directing the light beam it receives to the photosensitive element 210 associated therewith, thereby enabling the photosensitive element 210 to convert the optical signal into Electrical signals for subsequent processing.
  • the optical detection assembly further includes a signal processing module configured to process the electrical signals.
  • the signal processing module can perform operations such as analog-to-digital conversion on the electrical signal to improve the transmitability and immunity of the electrical signal.
  • the optical detecting component may further include an amplifying circuit coupled to the photosensitive element and the signal processing module. And configured to amplify and output the electrical signal originating from the photosensitive element to the signal processing module.
  • the optical detecting component may further comprise a filtering circuit, and the filtering circuit is coupled Between the photosensitive element and the signal processing module and configured to filter the electrical signal originating from the photosensitive element.
  • the filter circuit herein can be filtered at the time of electrical signal processing in order to improve the immunity of the electrical signals in the optical detection assembly proposed in accordance with the present invention, of course, those skilled in the art. It is also conceivable to use optical filters to filter out stray light or solar interference, thereby preventing the interference of electrical signals in the optical detection assembly proposed in accordance with the present invention.
  • the light directing member 220 is a cylindrical lens, and other aspherical lenses can be applied to the present embodiment.
  • the first portion and the second portion are configured to be positioned at two positions opposite to each other on the light guiding member.
  • the light guiding member 220 includes a first portion 223, 221 for receiving a light beam and directing the light beam to the photosensitive element 210, and a second for receiving a light beam and directing the light beam to the photosensitive element 210.
  • Portions 224, 222 in this embodiment, a first portion 223 for receiving a beam of light and directing the beam to the photosensitive element 210 and a second portion 224 for receiving a beam of light and directing the beam to the photosensitive element 210 a pair of measurement points, and a first portion 221 for receiving a beam of light and directing the beam to the photosensitive element 210 and a second portion 222 for receiving a beam and directing the beam to the photosensitive element 210 constitute another pair of measurement points .
  • the first portion 223 for receiving a beam of light and directing the beam to the photosensitive element 210 can be constructed with a second portion 222 for receiving a beam of light and directing the beam to the photosensitive element 210. a pair of measurement points; accordingly, a first portion 221 for receiving a beam of light and directing the beam to the photosensitive element 210 may be paired with a second portion 224 for receiving a beam and directing the beam to the photosensitive element 210 Measuring point. At each measurement, the laser beam passes through each of a pair of measurement points in sequence.
  • the positional arrangement of the above two pairs of measurement points is merely exemplary and not limiting, and those skilled in the art will appreciate that any suitable portion of the first portion 223, 221 and the second portion 224, 222 can be disposed on the light directing member.
  • the position is such that the pair of measuring point positions can receive the beam at the pair of measuring points and direct them to the photosensitive element when the beam passes through the light guiding member.
  • the first portion is configured to receive the beam first and direct the beam to a portion of the photosensitive element, the second portion being configured to receive the last The beam is directed and directed to a portion of the photosensitive element.
  • the portion that first receives the beam and directs the beam to the photosensitive element is, for example, a first portion 221 for receiving a beam of light and directing the beam to the photosensitive element 210.
  • the portion that finally receives the beam and directs the beam to the photosensitive element is, for example, a second portion 222 for receiving a beam of light and directing the beam to the photosensitive element 210, such an embodiment can Long measurement distances are measured over the longest measurement time, which reduces errors and improves measurement accuracy.
  • the photosensitive element described above is constructed as a photoelectric sensing device.
  • the photo-sensing device can be a charge coupled device (CCD), an avalanche photodiode (APD), a silicon photocell, or a solar cell.
  • the spacing between the first portion and the second portion is set to a first spacing.
  • the optical detection assembly further includes a timing module configured to calculate that the first portion and the second portion of the light guiding member sense the The time difference between the beams. At this time, in the case of knowing the laser scanning speed of the emitting laser module and the time difference between the laser passing through the first portion and the second portion, the distance between the transmitting laser module and the optical detecting component can be calculated according to the first spacing. .
  • Figure 3 shows a schematic diagram of another embodiment 300 of an optical detection assembly in accordance with the present invention.
  • the optical detection assembly 300 in accordance with the present invention includes a photosensitive element 310 configured to receive an optical signal and convert it into an electrical signal; further, the optical detection assembly 300 in accordance with the present invention further includes a light guide Component 320, the light directing member includes a first portion for receiving a beam of light and directing the beam to the photosensitive element 310 and a second portion for receiving a beam of light and directing the beam to the photosensitive element 310.
  • the optical detecting assembly 300 according to the embodiment shown in FIG. 3 differs from the optical detecting assembly 200 according to the embodiment shown in FIG.
  • the structure and shape of the light guiding member 220 included in the optical detecting assembly 200 is different.
  • the light guiding member 220 in FIG. 2 is a semi-cylindrical cylindrical lens, and the light beam is refracted and guided to the photosensitive member 310 through the cylindrical lens.
  • the light guiding member 320 in FIG. 3 is a cylindrical mirror, and the cylindrical mirror 320 directs the received beam reflection onto the photosensitive member 310.
  • the optical detection assembly 400 in accordance with the present invention includes a photosensitive element 410 that is configured to receive an optical signal and convert it into an electrical signal; further, the optical detection assembly 400 in accordance with the present invention further includes a light guide A component that includes a first portion for receiving a beam of light and directing the beam to the photosensitive element 410 and a second portion for receiving the beam and directing the beam to the photosensitive element 410.
  • the optical detection assembly 400 according to the embodiment illustrated in FIG. 4 differs from the optical detection assemblies 200 and 300 of the embodiment illustrated in FIGS.
  • the optical detection assembly 400 is The light guiding members and the light guiding members 220 and 320 included in the optical detecting members 200 and 300 are different in structure and shape, and the light guiding member 220 in FIG. 2 is a semi-cylindrical cylindrical lens, in FIG.
  • the light guiding member 320 is a cylindrical mirror, and the light guiding member shown in FIG. 4 is a light guiding rod or an optical fiber.
  • six light guiding rods or optical fibers are respectively included, respectively, a light guiding rod or an optical fiber. 421, 422, 423, 424, 425, and 426.
  • the first portion and the second portion of the light guiding member may be symmetrically disposed with a plurality of light guiding rods or optical fiber light guiding heads 4211, 4212; 4221, 4222; 4231, 4232; 4241, 4242; 4251; 4252 and 4261, 4262, when the light beam passes, the light beam is introduced by the lead-in portion of the light guide bar or the fiber-optic light guide head and transmitted to the corresponding photosensitive element 410.
  • the six light guide bars or fibers shown herein are merely exemplary and not limiting, and that the optical detection assembly shown in accordance with the present invention may of course include more or less than six guides. Light rod or fiber.
  • an element that can be used as a light guiding member in the concept of the present invention can be configured, for example, as a spherical mirror, a free-form curved mirror, an aspherical mirror, a light guiding rod, a light guiding surface, a plane mirror, a light guiding rod, an optical fiber, or a reflection. Mirror and so on.
  • a second aspect of the invention provides a detector for use with a laser emitting device, the detector comprising the optical detecting assembly according to the first aspect of the invention.
  • the optical detecting assembly according to the present invention can be used in a detector for use with a laser emitting device, thereby enabling measurement of the distance between the laser emitting device and the detector.
  • a third aspect of the invention provides a laser ranging system comprising a laser emitting device and a detector according to the second aspect of the invention.
  • the detector according to the invention can be combined with a laser emitting device to form a laser ranging system, thereby enabling measurement of the distance between the laser emitting device and the detector.
  • Figure 5 shows a schematic diagram of a detector 500 in accordance with one embodiment of the present invention.
  • the detector 500 includes three sets of optical detecting assemblies 200a, 200b, and 200c as shown in FIG. 2, and the three sets of optical detecting assemblies 200a, 200b, and 200c are each disposed 120 degrees apart, in the art.
  • the skilled person will appreciate that various sets of optical detection assemblies of other numbers and angles are also possible, such as the optical detection assemblies shown in Figures 3 and 4, which are also capable of corresponding arrangements, forming the inventive concept as shown in Figure 5.
  • Detector 500 Such a detector 500 can, when in use, receive laser light emitted by a laser emitting device such as a laser leveling device that is associated therewith without depending on the orientation of the detector 500.
  • the horizontal plane indicated by the laser light of the laser emitting device can be found, and the distance between the laser emitting device and the detector 500 can be calculated accordingly.
  • the three groups illustrated are merely exemplary and not limiting, that is, two, four or more sets of optical detecting components are also feasible, at least these sets of optical detecting components are The arrangement is circumferentially arranged so that the laser light emitted by the laser emitting device can be received without a dead angle.
  • FIG. 6 shows a flow chart of a laser ranging method 600 in accordance with one embodiment of the present invention.
  • the method comprises at least the following two steps, namely first in the method step 610, the optical detection assembly 200 or the optical detection assembly 200a, 200b, 200c included in the detector 500 described above is vertical.
  • the method further includes dividing the photosensitive element of the optical detecting assembly into a first grouping in the upper half and a second grouping in the lower half; and in the first grouping according to the laser light rotating at the first rotational speed And an energy distribution on the second group adjusts a position of the optical detection assembly to determine a horizontal plane indicated by laser light that is rotated at a first rotational speed.
  • the optical detecting assembly according to the present invention can realize the processing of optical signals at different positions by using only one set of photosensitive members by providing the light guiding member, thereby advantageously simplifying the optical detecting assembly in the prior art.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Electromagnetism (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Optical Radar Systems And Details Thereof (AREA)
  • Photometry And Measurement Of Optical Pulse Characteristics (AREA)

Abstract

一种光学探测组件（200,300,400）,包括：感光元件（210,310,410），感光元件（210,310,410）被构造用于接收光学信号并将其转换为电学信号；以及导光部件（220,320,421,422,423,424,425），导光部件包括用于接收光束并将光束导向至感光元件的第一部分（221,223）和用于接收光束并将光束导向至感光元件的第二部分（222,224）。利用导光部件的光学特性，即导光部件能够将其所接收到的光束导向至与之配套的感光元件之处，从而使得感光元件能够将光学信号转换成电学信号，以便后续处理之用。光学探测组件通过设置导光部件能够仅仅使用一套感光元件便能够实现不同位置的光学信号的处理，从而简化了现有技术中的光学探测组件的结构并且相应地降低了现有技术中的光学探测组件的制造成本。

Description

光学探测组件、探测器及激光测距系统 技术领域
本发明涉及距离测量以及定位领域，更为具体地涉及一种光学探测组件、一种包括该光学探测组件的用于和激光发射装置一起使用的探测器以及一种包括该探测器的激光测距系统。
背景技术
在现有技术中，专利公开文献CN101206113A公开了一种测距仪及其测距方法，依据该专利公开的测距仪是以旋转光源来提供具有一定预定转速的光束，然后再以接收器来侦测光束由接收器的第一位置旋转至第二位置时的时间差，并依据侦测的时间差与接收器的第一位置与第二位置之间距，来计算取得接收器至旋转光源间的距离。以以上所述的测距仪以及测距方法能够方便地在激光水平仪中实现距离量测的功能，从而增进工程人员的施工便利性。
具体而言，请参考图l所示，图1示出了根据该专利公开内容的一种测距仪的示意图。在图1中，为了增进工程人员施工的使利性，此测距仪10是建构在单轴旋转激光水平仪11及其接收器12上，使单轴旋转激光水平仪11不仅可以提供自动整平的旋转激光束13，以在施工墙面上投射出水平参考线之外，更可协助工程人员量测施工标示所需的距离。其中，接收器12上也可还包括遥控单轴旋转激光水平仪11的如转速等操作的遥控电路16，而成为遥控单轴旋转激光水平仪11的遥控器。在图l中，除了使用单轴旋转激光水平仪11构成的旋转光源，未提供以预定转速旋转的激光束13外，更应用接收器12来侦测激光束13由接收器12的第一位置14旋转至第二位直15时的时间差，以便可以依据时间差与第一位置14与第二位置15之间距，来计算取得接收器12至单轴旋转激光水平仪11间的距离。
从以上论述可知，该探测器组件包括独立的第一接收电路和第二接收电路，而且所述的第一接收电路与所述的第二接收电路分别包括：光传感器，用以接收所述的光束并输出电流讯号；转换电路，相接所述的光传感 器，用以将所述的电流讯号转换为电压讯口；放大电路，耦接所述的转换电路，用以放大所述的电压讯号；以及比较器，相接所述的放大电路，用以将放大的所述的电压讯号与参考准位作比较，而输出代表侦测到所述的光束的电讯号。
这样一来，每个探测器组件必须包括至少两套光传感器、转换电路、放大电路以及比较器，这样的探测器组件制造成本高而且结构复杂。
发明内容
针对上述的技术问题，即现有技术中的每个探测器组件必须包括至少两套光传感器、转换电路、放大电路以及比较器从而使得这样的探测器组件制造成本高而且结构复杂，本发明的第一方面提出了一种光学探测组件，所述光学探测组件包括：
感光元件，所述感光元件被构造用于接收光学信号并将其转换为电学信号；以及
导光部件，所述导光部件包括用于接收光束并将所述光束导向至所述感光元件的第一部分和用于接收光束并将所述光束导向至所述感光元件的第二部分。
依据本发明所提出的光学探测组件通过设置导光部件能够仅仅使用一套感光元件便能够实现不同位置的光学信号的处理，从而有利地简化了现有技术中的光学探测组件的结构并且相应地降低了现有技术中的光学探测组件的制造成本。
在依据本发明的一个实施例中，所述光学探测组件还包括：
信号处理模块，所述信号处理模块被构造用于处理所述电学信号。
在依据本发明的一个实施例中，所述光学探测组件还包括：
放大电路，所述放大电路耦接在所述感光元件和所述信号处理模块之间并且被构造用于将源自所述感光元件的所述电学信号放大并输出给所述信号处理模块。
在依据本发明的一个实施例中，所述光学探测组件还包括：
滤波电路，所述滤波电路耦接在所述感光元件和所述信号处理模块之 间并且被构造用于对源自所述感光元件的所述电学信号进行滤波。
在依据本发明的一个实施例中，所述第一部分和所述第二部分被构造为位于所述导光部件上彼此相对的两个位置。
在依据本发明的一个实施例中，所述第一部分被构造为最先接收所述光束并将所述光束导向至所述感光元件的部分，所述第二部分被构造为最后接收所述光束并将所述光束导向至所述感光元件的部分。
在依据本发明的一个实施例中，所述第一部分和所述第二部分之间的间距被设置为第一间距。
在依据本发明的一个实施例中，所述感光元件被构造为光电感应器件。其中，所述光电感应器件包括电荷耦合元件(CCD)、雪崩光电二极管(APD)、硅光电池组或者太阳能电池组。
在依据本发明的一个实施例中，所述光学探测组件还包括计时模块，所述计时模块被构造为计算所述导光部件的所述第一部分和所述第二部分分别感测到所述光束之间的时间差。
在依据本发明的一个实施例中，所述导光部件被构造为球面镜、自由曲面镜、非球面镜、导光柱、导光面、平面镜、导光棒、光纤或反射镜。
此外，本发明的第二方面还提供了一种用于和激光发射装置一起使用的探测器，所述探测器包括根据本发明的第一方面所述的光学探测组件。其中，所述光学探测组件的数量为至少两组，所述至少两组光学探测组件呈圆周状布置。
再者，本发明的第三方面还提供了一种激光测距系统，所述激光测距系统包括激光发射装置和根据本发明的第二方面所提出的探测器。
最后，本发明的第四方面还提供了激光测距方法，所述方法包括：
将上述的光学探测组件或上述的探测器所包括的光学探测组件竖直设置；
根据以第一转速旋转的激光经过所述光学探测器组件上的两个相距第一间距的位置的时间差、所述第一转速和所述第一间距计算所述光学探测组件和发射所述激光的激光发射装置之间的距离。
在依据本发明的一个实施例中，所述方法还包括：
将所述光学探测组件的感光元件分为位于上半部分的第一分组和位于下半部分的第二分组；以及
根据以第一转速旋转的激光在所述第一分组和所述第二分组上的能量分布调整所述光学探测组件的位置以确定以第一转速旋转的激光所指示的水平面。
依据本发明所提出的光学探测组件通过设置导光部件能够仅仅使用一套感光元件便能够实现不同位置的光学信号的处理，从而有利地简化了现有技术中的光学探测组件的结构并且相应地降低了现有技术中的光学探测组件的制造成本。
附图说明
参考附图示出并阐明实施例。这些附图用于阐明基本原理，从而仅仅示出了对于理解基本原理必要的方面。这些附图不是按比例的。在附图中，相同的附图标记表示相似的特征。
图1示出了一种根据现有技术的测距仪10的示意图；
图2示出了依据本发明的一个实施例的光学探测组件200的示意图；
图3示出了依据本发明的另一个实施例的光学探测组件300的示意图；
图4示出了依据本发明的又一个实施例的光学探测组件400的示意图；
图5示出了依据本发明的一个实施例的探测器500的示意图；以及
图6示出了依据本发明的一个实施例的激光测距方法600的流程图。
本发明的其它特征、特点、优点和益处通过以下结合附图的详细描述将变得更加显而易见。
具体实施方式
在以下优选的实施例的具体描述中，将参考构成本发明一部分的所附的附图。所附的附图通过示例的方式示出了能够实现本发明的特定的实施例。示例的实施例并不旨在穷尽根据本发明的所有实施例。可以理解，在不偏离本发明的范围的前提下，可以利用其他实施例，也可以进行结构性或者逻辑性的修改。因此，以下的具体描述并非限制性的，且本发明的范 围由所附的权利要求所限定。
在此本申请的申请人希望明确，本申请上下文中所提及的术语"水平设置"和"竖直设置"均是指激光接收装置中所包含的感光元件的排列布置方式，其中术语"竖直设置"表示激光接收装置中所包含的诸如条状的感光元件大体上垂直于水平面设置，而术语"水平设置"则表示激光接收装置中所包含的诸如条状的感光元件大体上在同一水平面上设置。
针对图1中的每个探测器组件必须包括至少两套光传感器、转换电路、放大电路以及比较器从而使得这样的探测器组件制造成本高而且结构复杂这一技术问题，本发明提出了一种诸如图2至图4所示的新型的光学探测组件的结构，以下将结合图2至图4来分别介绍依据本发明所公开的光学探测组件的每个实施例，但是本领域的技术人员应当了解，图2至图4的实施例仅仅是示例性的，而非限制性的，其仅用于示例性地示出依据本发明的光学探测组件的可能的结构形式，而不旨在穷尽依据本发明的光学探测组件的所有可能的结构形式，本领域的技术人员能够在此技术之上在不超出本发明的构思的情况下对这些实施例作出改动，而改动后的变型形式仍然处于本发明的保护范围之内。
从图2中可以看出，依据本发明所提出的光学探测组件200包括感光元件210，该感光元件210被构造用于接收光学信号并将其转换为电学信号；此外，依据本发明所提出的光学探测组件200还包括导光部件220，该导光部件220包括用于接收光束并将光束导向至所述感光元件210的第一部分221、223和用于接收光束并将光束导向至感光元件210的第二部分222、224。由以上结构可知，依据本发明所提出的光学探测组件通过设置导光部件220能够仅仅使用一套感光元件210便能够实现不同位置221、222、223和224处的光学信号的处理，从而有利地简化了现有技术中的光学探测组件的结构并且相应地降低了现有技术中的光学探测组件的制造成本。
本发明利用了导光部件220的光学特性，即该导光部件220能够将其所接收到的光束导向至与之配套的感光元件210之处，从而使得感光元件210能够将该光学信号转换成电学信号，以便后续处理之用。
为了对感光元件210所产生电学信号进行处理，在依据本发明的一个实施例中，所述光学探测组件还包括信号处理模块，所述信号处理模块被构造用于处理所述电学信号。例如，该信号处理模块能够对所述电学信号进行诸如模数转换等操作，从而提高该电学信号的可传输性以及抗干扰性。
此外，为了进一步提高该电学信号的处理精度，在依据本发明的一个实施例中，所述光学探测组件还可以包括放大电路，所述放大电路耦接在所述感光元件和所述信号处理模块之间并且被构造用于将源自所述感光元件的所述电学信号放大并输出给所述信号处理模块。
再者，为了提高依据本发明所提出的光学探测组件中的电学信号的抗干扰性，在依据本发明的一个实施例中，所述光学探测组件还可以包括滤波电路，所述滤波电路耦接在所述感光元件和所述信号处理模块之间并且被构造用于对源自所述感光元件的所述电学信号进行滤波。本领域的技术人员应当了解，此处的滤波电路能够在电信号处理的时候进行滤波，以便提高依据本发明所提出的光学探测组件中的电学信号的抗干扰性，当然，本领域的技术人员也能够想到利用光学滤光片来滤除杂光或太阳光干扰，从而依据本发明所提出的光学探测组件中的电学信号的抗干扰性。
在依据本发明的一个实施例中，导光部件220为柱面透镜，其他非球面透镜也可以应用到本实施例中。所述第一部分和所述第二部分被构造为位于所述导光部件上彼此相对的两个位置。如图2所示，该导光部件220包括用于接收光束并将光束导向至所述感光元件210的第一部分223、221以及用于接收光束并将光束导向至所述感光元件210的第二部分224、222，在该实施例中，用于接收光束并将光束导向至所述感光元件210的第一部分223和用于接收光束并将光束导向至所述感光元件210的第二部分224构成一对测量点，而用于接收光束并将光束导向至所述感光元件210的第一部分221和用于接收光束并将光束导向至所述感光元件210的第二部分222构成另一对测量点。当然，本领域的技术人员应当理解，用于接收光束并将光束导向至所述感光元件210的第一部分223可以和用于接收光束并将光束导向至所述感光元件210的第二部分222构成一对测量点；相应地，用于接收光束并将光束导向至所述感光元件210的第一部分221可以和用 于接收光束并将光束导向至所述感光元件210的第二部分224构成一对测量点。在每次测量时，激光光束会依次经过一对测量点中的每个部分。以上的两对测量点的位置设置仅仅是示例性的而非限制性的，本领域的技术人员应当了解，第一部分223、221和第二部分224、222能够设置于导光部件上的任何合适的位置，只要这对测量点位置能够在光束划过该导光部件时能够在这对测量点处接收到该束激光并将其分别导向至感光元件即可。
在依据本发明的一个优选的实施例中，所述第一部分被构造为最先接收所述光束并将所述光束导向至所述感光元件的部分，所述第二部分被构造为最后接收所述光束并将所述光束导向至所述感光元件的部分。在图2所示的实施例中，该最先接收所述光束并将所述光束导向至所述感光元件的部分例如为用于接收光束并将光束导向至所述感光元件210的第一部分221，而最后接收所述光束并将所述光束导向至所述感光元件的部分例如为用于接收光束并将光束导向至所述感光元件210的第二部分222，以这样的实施方式能够在最长的测量距离即最长的测量时间上进行测量，从而能够降低误差，进而提高测量精度。在依据本发明的一个实施例中，上述的感光元件被构造为光电感应器件。光电感应器件可以是电荷耦合元件(CCD)、雪崩光电二极管(APD)、硅光电池组或者太阳能电池组。
在依据本发明的一个实施例中，所述第一部分和所述第二部分之间的间距被设置为第一间距。在依据本发明的一个实施例中，所述光学探测组件还包括计时模块，所述计时模块被构造为计算所述导光部件的所述第一部分和所述第二部分分别感测到所述光束之间的时间差。此时，在知道发射激光模块的激光扫描速度以及该激光经过第一部分和第二部分之间的时间差的情况下，可以根据该第一间距来计算发射激光模块与该光学探测组件之间的距离。
图3示出了依据本发明的光学探测组件的另一个实施例300示意图。依据本发明所提出的光学探测组件300包括感光元件310，该感光元件310被构造用于接收光学信号并将其转换为电学信号；此外，依据本发明所提出的光学探测组件300还包括导光部件320，该导光部件包括用于接收光束 并将光束导向至所述感光元件310的第一部分和用于接收光束并将光束导向至感光元件310的第二部分。从图中可以看出，依据图3所示出的实施例的光学探测组件300与依据图2所示出的实施例的光学探测组件200的区别在于：光学探测组件300所包含的导光部件320和光学探测组件200所包含的导光部件220的结构和形状不同，在图2中的导光部件220为半圆柱形的柱面透镜，光束透过柱面透镜折射导向到感光元件310上，而在图3中的导光部件320为柱面反射镜，柱面反射镜320将接收到的光束反射导向到感光元件310上。
图4示出了依据本发明的光学探测组件的又一个实施例400示意图。依据本发明所提出的光学探测组件400包括感光元件410，该感光元件410被构造用于接收光学信号并将其转换为电学信号；此外，依据本发明所提出的光学探测组件400还包括导光部件，该导光部件包括用于接收光束并将光束导向至所述感光元件410的第一部分和用于接收光束并将光束导向至感光元件410的第二部分。从图中可以看出，依据图4所示出的实施例的光学探测组件400与依据图2和图3所示出的实施例的光学探测组件200和300的区别在于：光学探测组件400所包含的导光部件和光学探测组件200和300所包含的导光部件220和320的结构和形状不同，在图2中的导光部件220为半圆柱形的柱面透镜，在图3中的导光部件320为柱面反射镜，而图4所示的导光部件为导光棒或光纤，在图4所示的实施例中包括六根导光棒或光纤，分别为导光棒或光纤421、422、423、424、425以及426。更为具体地说，可以在导光部件的第一部分和第二部分对称设置有若干导光棒的导入部分或光纤导光头4211、4212；4221、4222；4231、4232；4241、4242；4251、4252以及4261、4262，当光束经过时，光束由导光棒的导入部分或光纤导光头导入并传输至对应的感光元件410上。本领域的技术人员应当了解，此处示出的六根导光棒或光纤仅仅是示例性的，而非限制性的，依据本发明所示的光学探测组件当然可以包括多于或者少于六根导光棒或光纤。
由以上实施例可知，能够在本发明的构思中用作导光部件的元件例如能够被构造为球面镜、自由曲面镜、非球面镜、导光柱、导光面、平面镜、 导光棒、光纤或反射镜等。
此外，本发明的第二方面还提供了一种用于和激光发射装置一起使用的探测器，所述探测器包括根据本发明的第一方面所述的光学探测组件。根据该第二方面，依据本发明的光学探测组件可以在和激光发射装置一起使用的探测器中，从而能够进行激光发射装置和探测器之间的距离的测量。
再者，本发明的第三方面还提供了一种激光测距系统，所述激光测距系统包括激光发射装置和根据本发明的第二方面所提出的探测器。根据第三方面，依据本发明的探测器可以和激光发射装置一起组成一个激光测距系统，从而能够进行激光发射装置和探测器之间的距离的测量。
图5示出了依据本发明的一个实施例的探测器500的示意图。从图中可以看出，该探测器500包括三组如图2所示的光学探测组件200a、200b以及200c，这三组光学探测组件200a、200b以及200c各自相差120度进行设置，本领域的技术人员应当理解，其他数量和角度布置的各组光学探测组件也是可行的，诸如图3和图4所示出的光学探测组件也能够进行相应的布置，形成如图5所示的发明构思的探测器500。这样的探测器500在使用时便能够不取决于探测器500的朝向地接收与之配套的诸如激光扫平仪的激光发射装置所发射的激光。在接收到激光发射装置所发射的激光之后便能够找到激光发射装置的激光所指示的水平面，并且能够相应地计算出激光发射装置和探测器500之间的距离。本领域的技术人员应当了解，图示的3组仅仅是示例性的而非限制性的，也就是说两组、四组或者更多组光学探测组件也是可行的，至少这些组光学探测组件呈圆周状布置，从而能够无死角地接收激光发射装置所发射到的激光便可。
以下结合图6进一步描述距离计算以及找到该激光所指示的水平面的方法。图6示出了依据本发明的一个实施例的激光测距方法600的流程图。从图6中可以看出，该方法至少包括以下两个步骤，即首先在方法步骤610中，将上述的光学探测组件200或上述的探测器500所包括的光学探测组件200a、200b、200c竖直设置；然后，在接下来的方法步骤620中根据以第一转速s旋转的激光经过所述光学探测器组件200/200a/200b/200c上的两个相距第一间距L的位置的时间差Δt、所述第一转速(据此可换算出旋转 一周的时间T)和所述第一间距计算所述光学探测组件200/200a/200b/200c和发射所述激光的激光发射装置之间的距离D，此时，D＝L/2/tan(Δt/T*180°)。此外，该方法还包括将所述光学探测组件的感光元件分为位于上半部分的第一分组和位于下半部分的第二分组；以及根据以第一转速旋转的激光在所述第一分组和所述第二分组上的能量分布调整所述光学探测组件的位置以确定以第一转速旋转的激光所指示的水平面。
综上所述，依据本发明所提出的光学探测组件通过设置导光部件能够仅仅使用一套感光元件便能够实现不同位置的光学信号的处理，从而有利地简化了现有技术中的光学探测组件的结构并且相应地降低了现有技术中的光学探测组件的制造成本。而当该光学探测组件被使用在探测器之中时，能够使得激光发射装置和探测器之间的距离可被测量。
本领域技术人员应当理解，上面公开的各个实施例可以在不偏离发明实质的情况下做出各种变形和修改。因此，本发明的保护范围应当由所附的权利要求书来限定。
尽管已经描述了本发明的不同示例性的实施例，但对于本领域技术人员而言显而易见的是，能够进行不同的改变和修改，其能够在并未背离本发明的精神和范畴的情况下实现本发明的优点中的一个或一些优点。对于那些在本领域技术中相当熟练的技术人员来说，执行相同功能的其他部件可以适当地被替换。应当了解，在此参考特定的附图解释的特征可以与其他附图的特征组合，即使是在那些没有明确提及此的情况中。此外，可以或者在所有使用恰当的处理器指令的软件实现方式中或者在利用硬件逻辑和软件逻辑组合来获得同样结果的混合实现方式中实现本发明的方法。这样的对根据本发明的方案的修改旨在被所附权利要求所覆盖。

Claims (15)

  1. 一种光学探测组件，其特征在于，所述光学探测组件包括：
    感光元件，所述感光元件被构造用于接收光学信号并将其转换为电学信号；以及
    导光部件，所述导光部件包括用于接收光束并将所述光束导向至所述感光元件的第一部分和用于接收光束并将所述光束导向至所述感光元件的第二部分。
  2. 根据权利要求1所述的光学探测组件，其特征在于，所述光学探测组件还包括：
    信号处理模块，所述信号处理模块被构造用于处理所述电学信号。
  3. 根据权利要求2所述的光学探测组件，其特征在于，所述光学探测组件还包括：
    放大电路，所述放大电路耦接在所述感光元件和所述信号处理模块之间并且被构造用于将源自所述感光元件的所述电学信号放大并输出给所述信号处理模块。
  4. 根据权利要求2所述的光学探测组件，其特征在于，所述光学探测组件还包括：
    滤波电路，所述滤波电路耦接在所述感光元件和所述信号处理模块之间并且被构造用于对源自所述感光元件的所述电学信号进行滤波。
  5. 根据权利要求1所述的光学探测组件，其特征在于，所述第一部分和所述第二部分被构造为位于所述导光部件上彼此相对的两个位置。
  6. 根据权利要求5所述的光学探测组件，其特征在于，所述第一部分被构造为最先接收所述光束并将所述光束导向至所述感光元件的部分，所述第二部分被构造为最后接收所述光束并将所述光束导向至所述感光元件的部分。
  7. 根据权利要求5所述的光学探测组件，其特征在于，所述第一部分和所述第二部分之间的间距被设置为第一间距。
  8. 根据权利要求1所述的光学探测组件，其特征在于，所述感光元件被构造为光电感应器件。
  9. 根据权利要求1所述的光学探测组件，其特征在于，所述光学探测 组件还包括计时模块，所述计时模块被构造为计算所述导光部件的所述第一部分和所述第二部分分别感测到所述光束之间的时间差。
  10. 根据权利要求1至9中任一项所述的光学探测组件，其特征在于，所述导光部件被构造为球面镜、自由曲面镜、非球面镜、导光柱、导光面、平面镜、导光棒、光纤或反射镜。
  11. 一种用于和激光发射装置一起使用的探测器，其特征在于，所述探测器包括根据权利要求1至10中任一项所述的光学探测组件。
  12. 根据权利要求11所述的探测器，其特征在于，所述光学探测组件的数量为至少两组，所述至少两组光学探测组件呈圆周状布置。
  13. 一种激光测距系统，其特征在于，包括激光发射装置和根据权利要求11或权利要求12所述的探测器。
  14. 一种激光测距方法，所述方法包括：
    将根据权利要求1所述的光学探测组件或根据权利要求11所述的探测器所包括的光学探测组件竖直设置；
    根据以第一转速旋转的激光经过所述光学探测器组件上的两个相距第一间距的位置的时间差、所述第一转速和所述第一间距计算所述光学探测组件和发射所述激光的激光发射装置之间的距离。
  15. 根据权利要求14所述的方法，所述方法还包括：
    将所述光学探测组件的感光元件分为位于上半部分的第一分组和位于下半部分的第二分组；以及
    根据以第一转速旋转的激光在所述第一分组和所述第二分组上的能量分布调整所述光学探测组件的位置以确定以第一转速旋转的激光所指示的水平面。
PCT/CN2018/096943 2017-08-04 2018-07-25 光学探测组件、探测器及激光测距系统 WO2019024728A1 (zh)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US16/609,204 US11598851B2 (en) 2017-08-04 2018-07-25 Optical detecting assembly, detector and laser ranging system
EP18841647.3A EP3660450A4 (en) 2017-08-04 2018-07-25 OPTICAL DETECTION ARRANGEMENT, DETECTOR AND LASER RANGE MEASUREMENT SYSTEM

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201710661927.3A CN107290049B (zh) 2017-08-04 2017-08-04 光学探测组件、探测器及激光测距系统
CN201710661927.3 2017-08-04

Publications (1)

Publication Number Publication Date
WO2019024728A1 true WO2019024728A1 (zh) 2019-02-07

Family

ID=60104544

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2018/096943 WO2019024728A1 (zh) 2017-08-04 2018-07-25 光学探测组件、探测器及激光测距系统

Country Status (4)

Country Link
US (1) US11598851B2 (zh)
EP (1) EP3660450A4 (zh)
CN (1) CN107290049B (zh)
WO (1) WO2019024728A1 (zh)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107290049B (zh) * 2017-08-04 2019-01-15 上海诺司纬光电仪器有限公司 光学探测组件、探测器及激光测距系统
CN107218920B (zh) * 2017-08-04 2020-07-10 美国西北仪器公司 距离测定方法及距离测定系统
CN108562358A (zh) * 2018-01-08 2018-09-21 长春理工大学 一种分布式光纤照度计
CN114544510A (zh) * 2022-04-26 2022-05-27 武汉锐科光纤激光技术股份有限公司 光束的分析设备、方法、装置、存储介质及电子装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1603868A (zh) * 2003-10-01 2005-04-06 沃顿有限公司 光束诊断装置和方法
CN101206113A (zh) 2006-12-20 2008-06-25 方础光电科技股份有限公司 测距仪及其测距方法
CN103576133A (zh) * 2012-08-09 2014-02-12 特里伯耶拿有限公司 距离测量系统
US9423298B2 (en) * 2014-08-19 2016-08-23 Teledyne Scientific & Imaging, Llc High energy laser target board apparatus
CN107290049A (zh) * 2017-08-04 2017-10-24 上海诺司纬光电仪器有限公司 光学探测组件、探测器及激光测距系统

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4334781A (en) * 1979-06-08 1982-06-15 Tokyo Shibaura Denki Kabushiki Kaisha Optical sensing system
US5243397A (en) * 1992-11-25 1993-09-07 Elop-Electrooptics Industries Ltd. Distance measuring system
EP1307704B1 (de) * 2000-08-01 2018-05-23 Trimble Inc. Messanordnung und messempfänger zur entfernungs- und/oder positionsbestimmung
US6945657B2 (en) * 2000-10-19 2005-09-20 Pentax Corporation Surveying instrument
TW200825381A (en) * 2006-12-15 2008-06-16 Quarton Inc A range finder and a range finding method thereof
JP4927182B2 (ja) * 2009-06-22 2012-05-09 株式会社 ニコンビジョン レーザー距離計
US9031641B2 (en) * 2011-07-28 2015-05-12 Medtronic, Inc. Quantifying laser-doppler perfusion signal for arrhythmia detection and disease monitoring
CN207081481U (zh) * 2017-08-04 2018-03-09 上海诺司纬光电仪器有限公司 光学探测组件、探测器及激光测距系统
CN107290739B (zh) * 2017-08-04 2020-06-16 美国西北仪器公司 探测器组件、探测器及激光测距系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1603868A (zh) * 2003-10-01 2005-04-06 沃顿有限公司 光束诊断装置和方法
CN101206113A (zh) 2006-12-20 2008-06-25 方础光电科技股份有限公司 测距仪及其测距方法
CN103576133A (zh) * 2012-08-09 2014-02-12 特里伯耶拿有限公司 距离测量系统
US9423298B2 (en) * 2014-08-19 2016-08-23 Teledyne Scientific & Imaging, Llc High energy laser target board apparatus
CN107290049A (zh) * 2017-08-04 2017-10-24 上海诺司纬光电仪器有限公司 光学探测组件、探测器及激光测距系统

Also Published As

Publication number Publication date
US20200064449A1 (en) 2020-02-27
EP3660450A1 (en) 2020-06-03
CN107290049B (zh) 2019-01-15
US11598851B2 (en) 2023-03-07
EP3660450A4 (en) 2021-04-14
CN107290049A (zh) 2017-10-24

Similar Documents

Publication Publication Date Title
CN107290739B (zh) 探测器组件、探测器及激光测距系统
WO2019024728A1 (zh) 光学探测组件、探测器及激光测距系统
EP3663711B1 (en) Distance measurement method and distance measurement system
US9971024B2 (en) Lidar scanner calibration
CN104335067B (zh) 坐标测量系统与方法
JPH02236108A (ja) 太陽センサ
JPS58201015A (ja) 測距装置
KR102324449B1 (ko) 광 검출기 어레이 및 아날로그 판독 회로가 개재된 lidar 수신기용 멀티 검출기
CN103940341B (zh) 一种位移和倾角一体化测试仪器
US4277169A (en) Device for simultaneously performing alignment and sighting operations
CN111953912A (zh) 一种高速运动光点空间位置的探测方法以及装置
CN101240520A (zh) 用于捣固车的铁路线路参数光电测试装置及其检测方法
CN207502419U (zh) 玻璃检测系统
TW201910719A (zh) 一種位移偵測裝置及物體位移的測量方法
CN103426894A (zh) 光电传感器
CN104729456B (zh) 一种光线入射角度检测方法
CN113959372A (zh) 一种高灵敏自准直二维光电测角装置
CN1936497A (zh) 带图像处理系统的轮廓测量投影仪
CN207081481U (zh) 光学探测组件、探测器及激光测距系统
CN106524932A (zh) 对称光桥式自稳激光测径系统及其标定方法、测量方法
JP5568893B2 (ja) レーザ測距装置及びレーザ測距方法
CN104019754A (zh) 一种胶囊厚度快速检测设备
CN204854624U (zh) 位敏测量装置
JPS6345504A (ja) 測距装置
CN102901844B (zh) 基于位置敏感传感器的运动参数测量系统的标定方法、测量系统

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18841647

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

ENP Entry into the national phase

Ref document number: 2018841647

Country of ref document: EP

Effective date: 20200225