WO2004023073A1 - 測量装置 - Google Patents
測量装置 Download PDFInfo
- Publication number
- WO2004023073A1 WO2004023073A1 PCT/JP2003/011193 JP0311193W WO2004023073A1 WO 2004023073 A1 WO2004023073 A1 WO 2004023073A1 JP 0311193 W JP0311193 W JP 0311193W WO 2004023073 A1 WO2004023073 A1 WO 2004023073A1
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- WIPO (PCT)
- Prior art keywords
- unit
- main body
- measurement
- image
- surveying
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
Definitions
- the present invention relates to a surveying device capable of measuring a distance of a measurement target point and acquiring an image.
- a base part 2 is provided on the leveling part 1, a mounting part 4 is provided on the base part 2 via a horizontal rotating shaft 3 so as to be freely rotatable in a horizontal direction, and a vertical rotating shaft 5 is provided on the mounting part 4.
- the lens barrel 6 is provided rotatably in the vertical direction through the intermediary.
- a horizontal rotating gear ⁇ is fitted to the horizontal rotating shaft 3, a horizontal rotating motor 8 is attached to the base 2, and a horizontal rotating driving gear 9 is fitted to an output shaft of the horizontal rotating motor 8.
- the horizontal rotation drive gear 9 is combined with the horizontal rotation gear 7.
- a horizontal angle detection encoder 11 is provided between the horizontal rotation shaft 3 and the base 2 side.c
- the mounting portion 4 is provided with the horizontal rotation drive gear 9 by the horizontal rotation motor 8, It is rotated in the horizontal direction via a horizontal rotation gear 7, and the rotation angle is detected by the horizontal angle detection encoder 11.
- a vertical rotation gear 12 is fitted on the vertical rotation shaft 5, a vertical rotation motor 13 is mounted on the support portion 4, and a vertical rotation is provided on an output shaft of the vertical rotation motor 13.
- a drive gear 14 is provided, and the vertical rotation drive gear 14 is combined with the vertical rotation gear 12. Further, a vertical angle detection encoder 15 is provided between the vertical rotation shaft 5 and the support portion 4.
- the lens barrel 6 is rotated in the vertical direction by the vertical rotation motor 13, and the angle in the vertical direction is detected by the vertical angle detection encoder 15.
- the lens barrel 6 is provided with a collimating telescope 16, a distance measuring unit (not shown), and a measuring object.
- a tracking means for tracking the prism reflector (measurement target) is incorporated.
- the support unit 4 includes a tilt sensor (not shown) for detecting an inclination, a control unit (not shown) for driving and controlling the horizontal rotation motor 8, the vertical rotation motor 13, and a distance measuring unit (not shown).
- a battery (not shown) to supply power is provided.
- an image sensor (not shown) is attached to an eyepiece of the collimating telescope 16 of the lens barrel 6, and An image obtained through the quasi-telescope 16 is output as an electric signal by the image sensor.
- control unit monitors the signal from the horizontal angle detection encoder 11 while driving the horizontal rotation motor 8 to horizontally rotate the mounting unit 4 and the vertical angle detection encoder 1 While monitoring the signal from 5, the vertical rotation motor 13 is driven to rotate the lens barrel 6 vertically, and the collimating telescope 16 is collimated in a required direction to reach the object to be measured. The distance is measured, or image data around the measurement target is acquired.
- image data is often required in association with the distance measurement. For example, in order to make it possible to visually identify the measurement point, the distance measurement is displayed together with the image of the measurement point. In addition, there are many cases where not only the measurement point but also the image around the measurement point is required. In addition, there is a growing demand for distance measurement with the main purpose of acquiring image data and using image data as position data.
- Conventional automatic surveying equipment basically performs measurement while accurately collimating the object to be measured.
- the image data obtained by the conventional automatic surveying instrument is obtained through the collimating telescope 16 and is an image of an extremely limited range including the measurement object, and is secondary data on the measurement point. there were.
- an object of the present invention is to provide a surveying device capable of acquiring a wide range of continuous image data and having excellent operability and workability. Disclosure of the invention
- the present invention has an apparatus main body and an operating device detachable from the apparatus main body, the apparatus main body irradiates measurement light toward a measurement target, and positions based on reflected light from the measurement target.
- a distance measuring unit that emits the measuring light to measure a distance
- an imaging unit for acquiring an image, and directs the measuring light to the measuring object, and a reflected light from the measuring object.
- a turning mirror for directing an image in the irradiation direction to the image pickup unit while turning the light to the light receiving unit; a detecting unit for detecting a turning position of the reflection mirror; and at least the distance measuring unit, the image pickup unit, and the reflection unit.
- a control unit for controlling a rotation position of a mirror wherein the operation device relates to a surveying device including a display unit for displaying an image acquired by the imaging unit, and further adjusts a tilt to level the main unit of the surveying device. It has a leveling unit for setting vertically,
- the device relates to a surveying device having an operation switch for operating a leveling unit, and the device main body and the operation device can communicate with each other wirelessly via a transmission / reception unit, and the device main body can be operated from the separated operation device.
- a surveying device comprising a device main body and an operating device, wherein the device main body irradiates measurement light toward a measurement target and measures a position based on reflected light from the measurement target.
- a surveying device a ranging unit that emits the measurement light and measures a distance, an imaging unit for acquiring an image, directs the measurement light to the measurement target, and receives a reflected light from the measurement target.
- a turning mirror that turns the image in the irradiation direction toward the image pickup unit, a detecting unit that detects the turning position of the reflection mirror, and a control that controls at least the distance measuring unit, the image pickup unit, and the reflection mirror.
- a first transmission / reception unit that receives an operation signal for performing an operation via the unit and transmits the image data acquired by the imaging unit
- the operation device is a display unit and an operation unit that are operated by a program
- a second transmission / reception unit capable of operating the device main body from the operation device and displaying the image data acquired by the imaging unit, and capable of communicating with the first transmission / reception unit.
- the present invention relates to a surveying device controllable by the operation device, wherein the operation device includes an operation unit operated by a program, and a display unit for displaying image data, and the program operates a survey on the display unit.
- the present invention relates to a surveying instrument that has a function of indicating a procedure and controls the apparatus main body according to the displayed operation, and the first and second transmitting / receiving sections establish a communication protocol using a common protocol. It is related to a surveying device that transmits and receives to and from other communication devices. It relates to a surveying device to be synthesized.
- FIG. 1 is an elevational sectional view showing an embodiment of the present invention
- FIG. 2 is an elevational sectional view of a state in which a reflecting mirror is rotated
- FIG. FIG. 4 is an explanatory diagram of a surveying state according to the embodiment of the present invention
- FIG. 5 is a control block diagram of another embodiment.
- FIG. 6 is an explanatory view of an operating device according to another embodiment
- FIG. 7 is a partially cutaway front view of a conventional example.
- the surveying device 20 includes a surveying device main body 21, a leveling unit 59, and an operation device 67 provided detachably on the main body case 22.
- a concave portion 23 is formed on the upper surface of the main body case 22, a hole 25 is formed in the concave portion 23 so that a flange portion 24 is formed around the concave portion 23, and a hollow shaft 26 with a flange is formed.
- the flange portion 24 is mounted concentrically with the hole 25, and a rotating portion 27 is rotatably fitted to the flanged hollow shaft 26 via a bearing 28.
- a pattern ring 29 for an encoder is provided on the rotating section 27 perpendicularly to the rotation axis of the rotating section 27, and a detecting section 30 faces the concave section 23 in opposition to the pattern ring 29.
- the detection unit 30 and the pattern ring 29 constitute a horizontal angle encoder 31.
- An optical tilt measuring section 32 is provided inside the main body case 22 so as to sandwich the flange section 24 and face the pattern ring 29.
- the tilt measuring section 32 includes the flange section 24.
- the tilt detection light is emitted to the pattern ring 29 through a window hole 33 formed in the hole.
- the inclination measuring section 32 has a free liquid level therein, and determines the relative angle between the free liquid level and the pattern ring 29, that is, the inclination angle of the pattern ring 29 with respect to the horizontal plane. Detection can be performed by comparing the reflected light from the liquid surface with the reflected light from the pattern ring 29.
- the detection result of the inclination measuring section 32 is input to a control section 74 described later.
- a worm wheel 34 is fitted on the upper end of the rotating portion 27, and a horizontal rotation motor 35 is provided on the upper surface of the main body case 22.
- the worm wheel 34 is provided on the output shaft of the horizontal rotation motor 35.
- the worm gear 36 is connected to the worm wheel 34.
- a pair of brackets 37, 37 opposing each other are erected on the upper surface of the rotating portion 27, and a horizontal rotating shaft 38 is rotatably provided between the plackets 37, 37.
- a pattern ring 39 of the elevation encoder 41 is fixed to one end of the shaft 38, and a detection unit 40 is provided on the rotating unit 27 corresponding to the pattern ring 39.c
- the horizontal rotation A worm wheel 42 is fitted to the other end of the shaft 38, and a vertical rotating motor 43 is provided on the upper surface of the rotating portion 27, and is attached to an output shaft of the vertical rotating motor 43.
- the fitted worm gear 44 mates with the worm wheel 42.
- a reflection mirror 45 is fixed to the horizontal rotation shaft 38.
- a lens barrel 46 is attached to the lower end of the flanged hollow shaft 26, and the lens barrel 46 is concentric with the flanged hollow shaft 26.
- an object lens 47, a small mirror 48, a dichroic prism 49 for reflecting light in a predetermined wavelength band, and an image light receiving section 51 are arranged from above.
- the image light receiving section 51 a CCD sensor or the like is used.
- a condenser lens 52 and an image acquisition light emitting unit 53 are provided on the reflection optical axis of the small mirror 48, and a measurement light emission unit 54 is provided on one side facing the dichroic prism 49. On the other side facing the dichroic prism 49, a measuring light detecting section 55 is provided.
- the image acquisition light emitting section 53 and the image light receiving section 51 constitute an imaging section 50, and the measuring light emitting section 54 and the measuring light detecting section 55 constitute a distance measuring section 56.
- a control unit 74 includes a power supply unit such as a battery.
- a cover 57 is provided on the upper surface of the main body case 22 to cover the reflection mirror 45, the horizontally rotating motor 35 and the like in a watertight manner, and the cover 57 is made of a transparent material such as glass.
- a column 61 is erected on the pedestal 60, and the tip of the column 61 is spherical, and is fitted to a concave portion formed on the lower surface of the main body case 22 in a tiltable manner.
- a level adjusting screw 62 (not shown) is screwed through the bottom surface of the main body case 22.
- a gear 63 is fitted to the upper end of the adjusting screw 62.
- a level adjustment motor 64 is provided on the bottom surface of the main body case 22, a binion gear 65 is provided on an output shaft of the level adjustment motor 64, and the pinion gear 65 is connected to the gear 63. are doing.
- the drive of the level adjustment mode 64 is controlled by the control section 74.
- the operation device 67 includes a transmission / reception unit 68 capable of wirelessly communicating data with the transmission / reception unit 75, and further includes an operation unit 69 and a display unit 70.
- control section 74 will be described with reference to FIG.
- the control unit 74 includes the transmission / reception unit 75, an arithmetic processing unit (CPU) 76, a storage unit 77, an image data control processing unit 78, a distance measurement data control processing unit 79, and an angle calculation unit 81. And a motor drive section 82.
- the storage unit 77 stores a program required for automatic tracking of the measurement object (reflection prism) 72, or a distance measurement angle, image acquisition, and a measurement route data based on the position of the measurement object on the image.
- a sequence program necessary to correct the data, or a program that displays operation guidance for improving the workability of the surveyor is stored.
- the image data control processing unit 78 converts the signal obtained by the imaging unit 50 into a required signal such as an image data and outputs it to the arithmetic processing unit 76.
- the ranging data overnight control processing unit 79 calculates the ranging data from the signal obtained by the ranging unit 56 to the object to be measured 72 and outputs it to the arithmetic processing unit 76. .
- the angle calculation unit 81 calculates the emission direction of the measurement light based on the signals from the horizontal angle encoder 31 and the elevation angle encoder 41, and inputs the calculation result to the calculation processing unit 76. Also, from the inclination measuring section 32 to the central axis of the lens barrel 46, that is, the optical axis 83 Is input to the arithmetic processing unit 76.
- the arithmetic processing unit 76 records the respective data from the image data control processing unit 78 and the ranging data control processing unit 79 in the storage unit 77, or The data is stored in the storage unit 77 in association with the distance measurement data.
- the surveying device 20 is installed on a tripod 84 having a height of, for example, about several meters, or is installed on a known structure (not shown).
- the operating device 67 is detachable from the surveying device main body 21, and the surveying device 20 can be operated with the operating device 67 attached to the surveying device main body 21. .
- the operating device 67 is detached from the surveying device main body 21 to remotely control the device. Perform the operation.
- the surveying device 20 is installed at a known point via the tripod 84.
- a command signal is transmitted from the transmission / reception unit 68 and received by the transmission / reception unit 75.
- the received signal is input to the arithmetic processing unit 76, and the arithmetic processing unit 76 activates a measurement program recorded in the storage unit 7.
- the measurement program When the measurement is started, the measurement program first levels the surveying device main body 21. It should be noted that leveling is performed separately from surveying so that leveling can be performed independently.
- the operation device 67 is provided with an operation switch (not shown) for leveling operation. Is transmitted, and the leveling state is displayed on the display unit 70.
- the arithmetic processing unit 76 drives and controls the level adjusting motor 6 via the motor driving unit 82 based on a signal from the inclination measuring unit 32, and The inclination of the surveying instrument body 21 is corrected so that the optical axis 83 is vertical.
- the imaging unit 50 is driven via the image data control processing unit 78.
- the measuring light emitting section 54 emits measuring light, and the measuring light is reflected by the dichroic prism 49 and directed to the reflecting mirror 45. Further, the distance measuring section 56 is driven via the distance measuring overnight control processing section 79. Light for image acquisition is emitted from the image acquisition light-emitting unit 53, reflected by the small mirror 48, and reflected by the reflection mirror. Directed to 4 5
- the horizontal rotation motor 35 and the vertical rotation motor 43 are driven via the motor driving unit 82, and the reflection mirror 45 is rotated horizontally and vertically.
- the light for image acquisition for tracking measurement of the measurement object 72 irradiated through the reflection mirror 45 is reflected by the measurement object 72, and the image reception light is reflected by the reflection mirror 45.
- the light is incident on the part 51.
- the imaging unit 50 acquires an image in accordance with the horizontal rotation and the vertical rotation of the reflection mirror 45. Further, the image data control processing unit 78 determines the measurement object 72 from the image acquired from the imaging unit 50, calculates a position in the image, and inputs the position to the calculation processing unit 76. I do. The arithmetic processing unit 76 calculates the direction of the measurement target 72 from the position of the measurement target 72 in the image and the elevation angle and horizontal angle obtained from the angle calculation unit 81 at that time. Determine.
- the horizontal rotation motor 35 and the vertical rotation motor 43 are driven based on the direction of the measurement object 72 that has been calculated and confirmed, and the image acquisition light emitting unit is driven via the reflection mirror 45.
- the measuring light emitted from 53 is directed to the measuring object 72.
- the measuring light detecting section 55 receives the reflected measuring light from the measuring object 72, and the distance measuring section 56 reaches the measuring object 72 based on the signal from the measuring light detecting section 55. Measure the distance of.
- the measured distance is associated with the elevation angle, the horizontal angle, and the image data, and is recorded in the storage unit 77. Also, it is transmitted to the operation device 67 via the transmission / reception unit 75.
- the display unit 70 displays the distance measurement data such as the distance measurement distance, the elevation angle, the horizontal angle, and the like, together with the peripheral image including the measurement object 72. .
- the reflecting mirror 45 When acquiring a wide-range image around the measuring object 72, the reflecting mirror 45 is rotated horizontally and vertically within a required angle range with respect to the measuring object 72, and Each time the direction of the reflection mirror 45 is changed by a predetermined angle, an image is acquired by the imaging unit 50, and the image is deconstructed by the image data control processing unit 78. Further, the horizontal angle and the elevation angle at the time when the image is acquired are detected via the horizontal angle encoder 31, the elevation angle encoder 41 and the angle calculation unit 81, and the detected horizontal angle and elevation angle are acquired. The stored image data is stored in the storage unit 77 in association with the image data.
- the tripod 84 is moved to another known point, the position of the surveying device 20 is changed, and the measurement of the measurement object 72 is performed from a different direction, and the measurement object 72 is used as a reference. To obtain the surrounding image data including the object to be measured # 2.
- the distance measurement data and the image data are sequentially acquired.
- a three-dimensional image can be obtained by acquiring distance measurement data and image data from two directions with respect to the measurement object 72 and further combining them.
- FIG. 5 and 6 show another embodiment.
- the same components as those shown in FIG. 3 are denoted by the same reference numerals, and description thereof will be omitted.
- the surveying device main body 21 is operated by a general-purpose operation device 85 instead of the operation device 67.
- the operation device 67 may be fixedly attached to the surveying device main body 21 or may be omitted.
- the operation device 85 for example, a notebook-type personal computer having a display unit 86, an operation unit 87, and a storage device 88 is used. Alternatively, a smaller PDA or the like may be used.
- Operating software 91 for operating the surveying device 20 is stored in a storage device 88 such as a hard disk of the operating device 85, and a transmitting / receiving unit 89, for example, a card type transmitting / receiving unit 89 is a notebook type. Insert the computer's card slot.
- the operation software 91 has a function of processing the data transmitted from the surveying device 20 or displaying the data on the display unit 86.
- the operation software 91 has an operation guidance function for improving workability of a surveyor, and displays necessary operation contents in accordance with a work flow.
- the received signal is input to the arithmetic processing unit 76, and the arithmetic processing unit 76 starts the measurement program recorded in the storage unit 77.
- the measurement When the measurement is started, first, the leveling of the surveying instrument body 21 is performed, and then the distance measurement and the acquisition of image data are performed in the same manner as described above.
- the acquired distance measurement data and image data are transmitted from the transmission / reception unit 75, received by the transmission / reception unit 89, and taken into the operation device 85.
- Transmission / reception between the transmission / reception unit # 5 and the transmission / reception unit 89 Performs communication data using digital signals established by a common protocol.
- a general-purpose operation device 85 When a general-purpose operation device 85 is used as the operation device, a large amount of data can be stored by storing the measured distance data and the image data in the storage device 88 on the operation device 85 side. Recording is possible, and data processing such as image synthesis can be performed in parallel with the surveying work, improving workability. Industrial applicability
- an apparatus main body and an operation device detachable from the apparatus main body wherein the apparatus main body irradiates measurement light toward a measurement target, and reflects from the measurement target.
- a surveying device that measures a position based on light, a ranging unit that emits the measurement light and measures a distance, an imaging unit for acquiring an image, and directs the measurement light to the measurement target, and the measurement target
- a rotatable reflecting mirror for directing reflected light from an object to a light receiving unit and for directing an image in an irradiation direction to the imaging unit; a detecting unit for detecting a turning position of the reflecting mirror; and at least the distance measuring unit
- a control unit for controlling the rotation position of the imaging unit and the reflection mirror; and the operating device includes a display unit for displaying an image obtained by the imaging unit, so that a wide range of continuous image data can be obtained. Is possible, and multiple By acquiring image data from several directions, it is possible to combine stereoscopic images,
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Measurement Of Optical Distance (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN038208830A CN1678883B (zh) | 2002-09-03 | 2003-09-02 | 测量装置 |
US10/501,386 US7127822B2 (en) | 2002-09-03 | 2003-09-02 | Surveying instrument |
EP03794179A EP1541963B1 (en) | 2002-09-03 | 2003-09-02 | Measurement device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-258108 | 2002-09-03 | ||
JP2002258108A JP2004093504A (ja) | 2002-09-03 | 2002-09-03 | 測量装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004023073A1 true WO2004023073A1 (ja) | 2004-03-18 |
Family
ID=31973014
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/011193 WO2004023073A1 (ja) | 2002-09-03 | 2003-09-02 | 測量装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7127822B2 (ja) |
EP (1) | EP1541963B1 (ja) |
JP (1) | JP2004093504A (ja) |
CN (1) | CN1678883B (ja) |
WO (1) | WO2004023073A1 (ja) |
Cited By (1)
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CN100339679C (zh) * | 2004-06-10 | 2007-09-26 | 株式会社拓普康 | 测量机 |
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Also Published As
Publication number | Publication date |
---|---|
CN1678883A (zh) | 2005-10-05 |
EP1541963A4 (en) | 2007-06-27 |
EP1541963B1 (en) | 2011-06-15 |
JP2004093504A (ja) | 2004-03-25 |
US20050172503A1 (en) | 2005-08-11 |
EP1541963A1 (en) | 2005-06-15 |
CN1678883B (zh) | 2012-02-15 |
US7127822B2 (en) | 2006-10-31 |
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