JP7349702B2 - Non-contact measuring device - Google Patents

Description

The present invention relates to a non-contact measurement device for non-contact measurement of the external shape of an article or the like.

BACKGROUND ART Conventionally, a non-contact measurement device has been developed and disclosed that irradiates an article with a line laser, photographs the article with a camera, and determines the outer shape of the article through image processing (see Patent Document 1 below). For example, a non-contact measurement device includes a laser device, a camera module, a computer that controls them and processes the acquired data into images, and a power source. By storing these parts in one housing and making it portable, the non-contact measurement device can be used in various locations.

However, if all the components are housed in one housing, the non-contact measurement device becomes very expensive, and some people hesitate to use it. Additionally, if the non-contact measuring device hits something while being carried around, the positions of the laser device and camera may shift, making accurate measurements impossible. This makes portable non-contact measurement devices extremely difficult to use.

JP2012-47637

An object of the present invention is to provide a non-contact measuring device that can perform accurate measurements at low cost.

The non-contact measurement device of the present invention includes a housing, a laser device, a camera module, a computer, a memory, and a cable. The housing has an opening, and the laser is irradiated onto the object through the opening. The camera module receives the laser reflected from the irradiated object. Data is sent from the camera module to a computer, where the image is processed. A program for image processing by the computer and parameter data obtained through calibration regarding the positional relationship between the laser device and the camera module are stored in a memory, and the computer accesses the memory via a cable.

A camera module includes a lens, an image sensor, and a peripheral circuit that reads data from the image sensor on a substrate. The board is fixed to a pedestal, and the board is sandwiched between the pin and the head of the eccentric member.

A holding member holds the laser device. The holding member is attached to the base, or the holding member is formed integrally with the base.

An identification symbol including at least one information about the object to be irradiated or a measurement location of the object to be irradiated may be provided. The computer functions as a means for acquiring information from the identification symbol photographed by the camera module, and a means for linking information on the identification symbol and data on the photographed object.

According to the present invention, the laser device, camera module, and memory are housed in a housing, but since the computer is connected via a cable outside the housing, only the minimum necessary configuration is housed in the housing. A non-contact measurement device can be manufactured at low cost.

Furthermore, it contains a memory that stores a program for image processing (external shape measurement processing) and parameter data that records the positional relationship between the laser device and camera module determined by calibration. It can be used simply by plugging a cable into a computer, without having to set different data for each non-contact measurement device. Even if you do not have the program installed on your computer, you can use it by simply connecting it and completing the setup process.

Since the board constituting the camera module is sandwiched between the pin and the eccentric member, force can be applied to the board by the eccentric member. The board is fixed and the camera module does not shift. Furthermore, since the holding member that holds the laser device is fixed to the pedestal or integrated, the relative positions of the camera module and the laser device do not shift, making accurate measurement possible.

Measured locations can be managed using identification symbols, making data management easy. Since it is equipped with a laser device and a camera module, there is no need to provide a new device to read identification symbols.

1 is a diagram showing the configuration of a non-contact measuring device according to the present invention. It is a figure showing the appearance of the housing of a non-contact measuring device. FIG. 3 is a diagram showing a state in which a laser device and a camera module are housed in a housing. It is a figure in which the laser device is attached to the holding member and the camera module is fixed to the pedestal. 3A and 3B are diagrams showing the relationship between the board, pins, and eccentric member of the camera module; (a) is a diagram in which the board is sandwiched between the focus eccentric members; and (b) is a diagram in which the board is held in place by the head of the eccentric member. It is a figure of a pushing state. These images are generated by computer image processing, and (a) is an image of image data obtained from captured data, and (b) is a cross-sectional view of the irradiated object generated from the image data of (a). be. FIG. 2 is a diagram of a cross section of an irradiated object including a curve.

(overall structure)
In the non-contact measurement device 10 shown in FIG. 1, components housed in a housing 12 are wired to a computer 14 outside the housing 12 via a cable 16. A laser device 18, a camera module 20, a memory 22, a control circuit 24, and a hub 26 are housed in the housing 12, and an LED 28 and a trigger switch 30 are mounted so as to be visible outside the housing 12. The casing 12 houses only the minimum necessary parts.

(Case)
As shown in FIG. 2, the housing 12 includes an optical component storage section 32 and a grip section 34. The housing 12 is made of resin. As shown in FIG. 3, the interior of the housing 12 is a space, and the laser device 18 and the camera module 20 are housed in an optical component storage section 32. Note that, in FIG. 3, among the parts housed in the housing 12, parts other than the laser device 18 and the camera module 20 are omitted. Two openings 36 and 38 are provided in the optical component storage section 32. The laser oscillated by the laser device 18 passes through the aperture 36 and is irradiated onto the object to be irradiated, and the laser reflected from the object passes through the aperture 38 and is received by the camera module 20. Note that the two openings 36 and 38 may be connected into one.

The grip part 34 is a part to be held by hand. The shape and position of the grip portion 34 are arbitrary as long as it does not block the laser beam. The memory 22, control circuit 24, and hub 26 are housed in the grip part 34, but these parts may be housed in the optical component housing part 32 depending on the shape of the housing 12.

A trigger switch 30 is arranged at the boundary between the optical component storage section 32 and the grip section 34 or at the grip section 34. The trigger switch 30 is a component that controls the operation of the control circuit 24. When trigger switch 30 is pressed, control circuit 24 turns on laser device 18 and LED 28, and when trigger switch 30 is released, control circuit 24 turns laser device 18 and LED 28 off. Further, when the trigger switch 30 is released, a signal is sent to the computer 14, and the computer 14 calculates the outer shape of the object to be irradiated by image processing.

A straight rod-shaped body 40 may be attached to the optical component storage section 32. In the housing 12 , a rod-shaped body 40 is fixed around the laser device 18 and on the opposite side of the camera module 20 in the laser device 18 . This is to prevent the rod-shaped body 40 from interfering with photographing by the camera module 20. The lens is focused at the intersection X between the central axis A of the laser and the optical axis B of the lens of the camera module 20. A line C connecting the intersection point X and the tip of the rod-shaped body 40 is perpendicular to the central axis A of the laser. When the tip of the rod-shaped body 40 is brought into contact with the surface of the object to be irradiated, the laser irradiated onto the object is focused by the lens. Image data for quickly measuring the shape of the irradiated object can be acquired. Depending on the type of object to be irradiated, it may be desirable to measure the object without touching it, so the rod-shaped body 40 may be made detachable from the housing 12.

A protective cover 44 made of flexible resin may be attached to the entrance 42 of the cable 16 in the housing 12 (FIGS. 2 and 3). The protective cover 42 can prevent the cable 16 from being bent at an acute angle and disconnected at the entrance/exit 42.

(Laser device)
The laser device 18 is a device that irradiates a line laser onto an object to be irradiated. For example, the laser device 18 includes a semiconductor laser and a rod lens. The dot-shaped laser oscillated by the semiconductor laser passes through the rod lens and spreads out in a straight line, making it possible to irradiate the object with a straight line of laser. The laser selects a wavelength with a color different from that of the object being irradiated. This is to make it easier to identify lasers and to make it easier to extract lasers from image data through image processing. For safety reasons, it is preferable to keep the laser output below 1 mW.

Note that the object to be irradiated includes various articles and buildings, and is not limited as long as it can be irradiated with a laser and photographed. Further, the outer shape of the entire object or a portion of the object to be irradiated may be measured, and the outer shape is measured within the range that is irradiated with the laser.

As shown in FIG. 4, the laser device 18 is attached to the holding member 46. By fixing the holding member 46 to the housing 12, the laser device 18 is fixed to the housing 12. The holding member 46 is a single plate formed into a J-shape, and holds the laser device 18 therebetween. The end portion 48 of the holding member 46 is screwed to an arbitrary position on the holding member 46, and force is applied to the laser device 18 so that the laser device 18 does not come off. As shown in FIG. 3, a protective glass 50 may be placed in front of the laser device 18.

(The camera module)
The camera module 20 uses a board camera (FIG. 4). The specific configuration includes a lens 52, a CCD or CMOS image sensor, a peripheral circuit that reads data from the image sensor, and a substrate 54. A lens 52, an image sensor, and peripheral circuits are mounted on the substrate 54. Reflected light from the laser irradiated onto the object is received by the image sensor through the lens 52. The lens 52 has a fixed focus, and it is necessary to move the housing 12 to focus on the irradiated object (to make the irradiated object clear in the image data). A peripheral circuit reads data corresponding to the amount of light received from the image sensor and transmits it to the computer 14. The read data is sent to the computer 14 without being converted into image data or subjected to image processing, and the computer 14 processes the data into image data and performs predetermined image processing. To simplify the configuration of a camera module 20 without increasing the number of parts housed in a housing 12. The aperture of the lens 52 is also fixed (or has no aperture), and the shutter speed and gain (sensitivity) are adjusted when the image sensor acquires image data. Furthermore, since the frame rate decreases as the shutter speed decreases, the shutter speed is made to be no slower than a constant speed (for example, 1/30 second), and the gain is increased without decreasing the shutter speed.

A filter 56 that transmits light having the same wavelength as the laser is provided in front of the lens 52 of the camera module 20 (FIG. 3). If a laser with a wavelength different from the color of the object to be irradiated is used as described above, only the reflected light of the laser is received by the image sensor. Since the image data consists of only the laser and other data, image processing for determining the shape of the irradiated object by extracting the laser from the image data becomes easy, and the load on the computer 14 is reduced.

A substrate 54 of the camera module 20 is fixed to a pedestal 58 (FIG. 4). By fixing the pedestal 58 to the housing 12, the camera module 20 is fixed to the housing 12. In order to fix the substrate 54 to the pedestal 58, it may be fixed to the pedestal 58 via a spacer 60. As shown in FIGS. 4 and 5(a), the board 54 is rectangular, and a pin 64 protruding from the base 58 is in contact with a side 62 of the board 54. As shown in FIGS. 5(a) and 5(b), an eccentric member 70 having a head 66 and a shaft portion 68, such as an eccentric clamp bolt or an eccentric pin, is attached to the pedestal 58, and the head 66 is attached to the substrate 58. so that it touches the side part 72 of. The substrate 54 is sandwiched between a pin 64 and an eccentric member 70. As shown in FIG. 5(b), the head 66 and central axis M of the eccentric member 70 do not match the central axis N of the shaft portion 68. The central axis N of the shaft portion 68 and the central axis M of the head portion 66 are aligned perpendicularly to the side portion 72 of the substrate 54, and the central axis N of the shaft portion 68 is aligned with the central axis M of the head portion 66. is also arranged on the substrate 54 side. FIG. 5(b) shows a state in which the eccentric member 70 is attached to the base 58 without loosening, and when the shaft portion 68 of the eccentric member 70 tries to loosen and rotate, the eccentric member 70 appears as indicated by the arrow P in FIG. 5(a). Then, the head 66 pushes the board 54 toward the pin 64, and the position of the board 54 can be fixed. Since the head 66 hits the base plate 54 and cannot rotate, the eccentric member 70 does not loosen.

Camera module 20 includes a connector 74 for connecting peripheral circuitry to hub 26 (FIG. 4). Connector 74 is located on the opposite side of substrate 54 from lens 52 . A notch 76 is provided in a part of the base 58, and a connector 74 is arranged in this notch 76. The connector 74 and the notch 76 allow positioning of the camera module 20 with respect to the pedestal 58.

A holding member 46 of the laser device 18 is attached to the pedestal 58. The holding member 46 may be formed integrally with the base 58, or may be attached by welding or screwing. For example, the holding member 46 is fixed to the pedestal 58 by the eccentric member 70 described above. Since the eccentric member 70 does not loosen as described above, the base 58 and the holding member 46 can be firmly fixed. Since the position of the holding member 46 with respect to the base 58 does not shift, the relative positions of the camera module 20 and the laser device 18 can be fixed, and the camera module 20 can photograph the laser beam at a constant angle. The relative positional relationship between the camera module 20 and the laser device 18 is stored in the memory 22 as parameter data to be described later.

(memory)
The memory 22 uses a USB memory (USB flash drive). When memory 22 is connected to computer 14 via cable 16 and hub 26, memory 22 can be accessed from computer 14. A program (software) to be stored (installed) in the computer 14 and parameter data indicating the positional relationship between the laser device 18 and the camera module 20 are stored in the memory 22. Since a storage medium such as a CD-ROM is not used, programs and parameter data can be easily stored in the computer 14. The program and parameter data may not be stored in the computer 14, but may be made available to the computer 14 by accessing the memory 22. Further, data related to security such as an authentication key may be stored in the memory 22 so that it can be used by a specific computer 14.

(control circuit)
The control circuit 24 is a circuit that operates by operating the trigger switch 30, and uses elements such as ICs. As shown in FIG. 1, the laser device 18 and the LED 28 are connected to the hub 26 via FETs (switches) Q1 and Q2, and the gates of these FETs Q1 and Q2 are connected to the control circuit 24. While trigger switch 30 is pressed, control circuit 24 applies voltage to the gate of FET Q1, connecting laser device 18 to hub 26. Power is supplied to the laser device 18, and the laser device 18 oscillates a laser. Further, while the trigger switch 30 is pressed, the control circuit 24 applies a pulse voltage to the gate of the FET Q2, and connects the LED 28 and the hub 26 intermittently. Power is intermittently supplied to the LED 28, causing the LED 28 to blink. Further, upon receiving a signal indicating that the camera module 20 is in focus from the computer 14, the control circuit 24 applies a constant voltage to the gate of the FET Q2. Since FETQ2 is always on, power is always supplied to LED28 and it is turned on. When the trigger switch 30 is released, FETs Q1 and Q2 are turned off and a signal is sent to the computer 14. When the computer 14 receives the signal, it processes the image and determines the outer shape of the object to be irradiated. Note that the power of the camera module 20 is not controlled by the control circuit 24, and power is always supplied to the camera module 20 from the computer 14.

(LED)
The LED 28 is mounted so as to be visible from inside the housing 12. By lighting or blinking the LED 28, the operator can be notified of the completion of laser oscillation and focusing. For example, when the laser is oscillated, the LED 28 is blinked, and when the laser is in focus, the LED 28 is lit.

(hub)
The hub 26 uses a USB hub. Laser device 18 , camera module 20 , memory 22 , control circuit 24 and LED 28 are connected to hub 26 . Cable 16 connecting hub 26 and computer 14 is a USB cable. The cable 16 uses a USB cable capable of power supply and data transfer. One cable 16 is distributed to a plurality of parts by a hub 26, and the number of cables 16 is minimized.

(Computer)
The computer 14 is a portable tablet computer, smart phone, or laptop computer. This is because the components housed in the housing 12 and the computer 14 are connected by a cable 16, and it is necessary to carry the computer 14.

The computer 14 functions as a means for image processing data sent to the computer 14 from the camera module 20. In order to function as such, computer 14 installs and executes programs stored in memory 22. Image processing involves converting the data read out from the image sensor into image data, determining whether the image data can be processed to determine the outer shape of the irradiated object, and determining whether the image data is irradiated with a laser. This includes processing to determine the external shape of the irradiated object.

(processing to convert to image data)
There is a filter 56 in front of the lens 52 of the camera module 20, and since the camera module 20 receives only light of the same wavelength as the laser, when the data read from the image sensor is converted into image data 80, the laser 82 and other light are It is divided into a portion 84 (FIG. 6(a)).

Note that if the data read from the image sensor is converted into image data as is, it is image data 80 when the object to be irradiated is viewed from the laser device 18 in an oblique direction (direction of the camera module 20). In order to obtain the outer shape of the object to be irradiated, processing is performed to convert the object into an image viewed from the laser device 18. The distance between the laser device 18 (semiconductor laser) and the camera module 20 (image sensor), the angle θ between the central axis A of the laser and the optical axis B of the lens 52, the distance from the laser device 18 to the object to be irradiated (the central axis of the laser) The distance from the camera module 20 to the object to be irradiated (the length of the optical axis B) is determined, and these are measured (calibrated) and stored in the memory 22 as parameter data. Using these values, the image data 80 is converted into image data 88 of the cross-sectional shape of the irradiated object 86 (the surface shape of the irradiated object as seen from the laser device 18) (FIG. 6(b)). Note that the parameter data includes at least the distance between the laser device 18 and the camera module 20, and the angle θ between the central axis A of the laser and the optical axis B of the lens 52. Further, the relative angle between the laser device 18 and the camera module 20 may be used instead of the angle θ. By storing the parameter data in the memory 22 in advance, there is no need to determine the positional relationship between the laser device 18 and the camera module 20, which is caused by individual differences between the devices 10, and input it into the computer 14. Even if different devices 10 are connected to the same computer 14, the external shape can be measured automatically using parameter data for each device 10. It is preferable that the value of the distortion of the lens 52 is included in the parameter data, and when changing to the image data 88, the value is used to create the image data 88 from which the distortion of the lens 52 has been removed.

(Judgment on whether external shape measurement is possible)
In order to judge whether or not the image data can be processed to determine the outer shape of the irradiated object, (a) find the maximum contrast difference between the laser 82 and the other part 84 of the image data 80, and ( b) Confirm that the laser 82 is continuous, and (c) Confirm that the laser 82 is at or near the center of the image data 80 to make a determination. By holding and moving the grip portion 34 of the housing 12 while the LED 28 is blinking as described above, the image data 80 changes over time. In (a) above, the difference in contrast between the laser 82 at and around the center of the image data 80 and the other portion 84 changes over time. This is because the process of determining the outer shape of the irradiated object is possible when the difference in contrast becomes the largest (a state in which a general camera is in focus and the image becomes clear). The above (b) is because the outer shape of the object to be irradiated cannot be determined unless the laser 82 is continuous. The image data 80 consists of a laser 82 and other parts 84, and since the high brightness part is the laser 82, the determination is made based on whether the high brightness part is continuous or divided. The reason for (c) above is that if the laser 82 is not located at or near the center of the image data 80, there is a possibility that the object to be irradiated is not irradiated with the laser.

(Measuring the external shape of the irradiated object)
Since the image data 88 indicating the outer shape of the irradiated object 86 is generated as described above, the outer shape of the irradiated object 86 is determined from the lengths of the straight lines 90a, 90b, 90c, the angles of the straight lines 90a, 90b, 90c, etc. Find the dimensions. Parameter data is used when determining the external shape. Portions 92a and 92b where the straight lines 90a, 90b and 90c are bent may be extracted as feature points. The straight lines 90a and 90c may be extended, the intersection 94 between the extended portions may be extracted as a feature point, and the length of the extended portion and the angle of the feature point may be determined.

(Other functions of the computer)
The computer 14 may use the obtained outer shape of the irradiated object 86 in other programs. For example, the obtained data may be automatically input into spreadsheet software or CAD software.

Computer 14 functions as a means for powering laser device 18, camera module 20, control circuit 24, memory 22, and LEDs 28. The housing 12 does not include a power source, and power is supplied from the computer 14 via a cable 16.

(Operation of non-contact measuring device)
The cable 16 is connected to the computer 14 in advance, the software stored in the memory 22 is installed in the storage device of the computer 14, and the parameter data is also stored. With the computer 14 and cable 16 connected, the operator presses the trigger switch 30 while holding the grip portion 34 of the housing 12 and pointing the opening 36 toward the object to be irradiated. While trigger switch 30 is pressed, control circuit 24 turns on FET Q1 and supplies power to laser device 18. The LED 28 is made to blink by applying a pulse voltage to the gate of the FET Q2. Further, while the trigger switch 30 is being pressed, the computer 14 is generating image data 80 from the data obtained by the camera module 20, and checking whether the lens 52 is focused on the irradiated object through image processing. To check. When the camera is in focus, a signal is sent from the computer 14 to the control circuit 24.

When the control circuit 24 receives a signal from the computer 14, the control circuit 24 constantly applies a voltage to the gate of the FET Q2, causing the LED 28 to light up at all times. This allows the operator to confirm that focus has been achieved. The operator adjusts the focus by moving the housing 12 while holding the grip part 34 until the focus is achieved, but when the focus is achieved, the operator keeps his hand fixed and releases the trigger switch 30. When the trigger switch 30 is released, a signal is sent from the control circuit 22 to the computer 14 to turn off FETs Q1 and Q2. Power supply to the laser device 18 and LED 28 is cut off. The computer 14 uses a software function to generate image data 80 and 88 using the data and parameter data obtained by the camera module 20 when the signal is sent, and to obtain the external shape of the object to be irradiated. Performs image processing. The image processing results are displayed on the display of the computer 14.

As described above, the present application stores only the minimum necessary parts in the casing 12, and is an inexpensive non-contact measuring device 10. Even if the housing 12 hits something, relative positional deviation between the camera module 20 and the laser device 18 can be prevented, allowing accurate measurement.

Although one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment. For example, the lighting and blinking of the LED 28 described above may be reversed. Alternatively, two LEDs of different colors may be provided, and the LEDs that emit light may be different when the laser is oscillated and when external shape measurement is possible.

An FET may be provided between the camera module 20 and the hub 26. While the trigger switch 30 is pressed, the FET is turned on to supply power to the camera module 20.

As shown in the image data 96 of FIG. 7, the outer shape of the irradiated object 98 including a curve 100 may be measured. The length of the circular arc forming the curve 100 may be determined, or the portions 102a, 102b where the straight lines 90a, 90b and the curve 100 change may be extracted as feature points.

The camera module 20 is not limited to a fixed focus camera, but may also be a stereo camera or a camera whose focus can be changed.

The present application may include an identification symbol (barcode) containing at least one information of the irradiated object 86 or the measurement location. The software stored in the memory 22 is provided with a function of reading the identification symbol and a function of linking the information of the identification symbol to the image data of the measured shape. The computer 14 functions as a means for reading the identification symbol photographed by the camera module 20 and a means for associating the identification symbol with the measured shape. The operator irradiates the identification symbol with a laser and photographs the identification symbol with the camera module 20, and then irradiates the object 86 with the laser to measure its shape. The identification symbol and the irradiated object 86 are sequentially photographed by the camera module 20. The computer 14 acquires information from the photographed identification symbol, and links (associates) the information of the acquired identification symbol with the image data of the measured shape. Identification symbol information is added to the image data of the measured shape. The operator does not need to add information such as measurement locations to the measured image data, making it easier to manage the measured image data.

When irradiating an identification symbol with a laser, the laser is linear, so it is preferable to use a barcode as the identification symbol. When using a two-dimensional code as an identification symbol, photograph the identification symbol without irradiating it with a laser. The identification symbol may be characters, symbols, figures, etc. other than barcodes and two-dimensional codes, and the computer 14 functions as a means for acquiring information from the photographed identification symbol. The identification symbol may be provided for each location to be measured, or may be provided for each irradiated object 86. The identification symbol may be printed on paper or film, and may be pasted on the irradiated object 86 near the measurement location. The identification symbol may further include information other than the above information, such as date and operator name.

In addition, the present invention can be implemented with various improvements, modifications, and changes based on the knowledge of those skilled in the art without departing from the spirit thereof.

10: Non-contact measurement device 12: Housing 14: Computer 16: Cable 18: Laser device 20: Camera module 22: Memory 24: Control circuit 26: Hub 28: LED
30: Trigger switch 32: Optical component storage section 34: Grip sections 36, 38: Opening 40: Rod-shaped body 42: Cable entrance/exit in housing 44: Protective member 46: Holding member 48: One end of holding member 50: Protective lens 52 : Lens 54: Substrate 56: Filter 58: Pedestal 60: Spacers 62, 72: Side part of substrate 64: Pin 66: Head 68: Shaft 70: Eccentric member 74: Connector 76: Notches 80, 88, 96 : Image data 82: Laser 84: Portions other than laser 86, 98: Irradiated objects 90a, 90b, 90c: Straight lines 92a, 92b, 102a, 102b: Feature points 94: Intersection 100: Curves Q1, Q2: FET

Claims (5)

A casing with an opening;
a laser device that is housed in the housing and irradiates a laser beam onto an object through the opening;
a camera module that is housed in the casing and that photographs the laser irradiated onto the object through the opening;
a computer separate from the housing;
a cable connecting the laser device, camera module and memory to the computer;
Image data captured by the camera module is stored in the housing and transmitted to the computer connected to the cable and the parameter data regarding the positional relationship between the laser device and the camera module. a memory storing a program for functioning as a processing means ;
A non-contact measurement device equipped with The camera module has a lens, an image sensor, and a peripheral circuit for reading data from the image sensor mounted on the board,
a pedestal for fixing the substrate;
a pin protruding from the pedestal and contacting a side of the board;
It has a shaft part and a head disposed at one end of the shaft part, the central axis of the shaft part and the central axis of the head do not coincide, the shaft part is attached to the pedestal, and the head part is attached to the base. an eccentric member in contact with a side portion of the substrate;
The non-contact measuring device according to claim 1, comprising: comprising a holding member that holds the laser device,
The non-contact measuring device according to claim 2, wherein the holding member is attached to the pedestal, or the holding member is formed integrally with the pedestal. comprising an identification symbol containing at least one information of the irradiated object or the measurement location of the irradiated object,
means for the computer to obtain information from the identification symbol photographed by the camera module;
4. The non-contact measuring device according to claim 1, which functions as means for linking information on the identification symbol and data on the photographed object. A casing for a non-contact measurement device that includes a laser device that irradiates an object with a laser, a camera module that photographs the object that is irradiated with the laser, and a memory,
The memory is configured to be connectable to a computer separate from the housing,
The memory includes parameter data regarding the positional relationship between the laser device and the camera module, and a means for image processing the data photographed by the camera module based on the parameter data in the computer connected to the memory. A housing for a non-contact measurement device that stores the program for its function.

Images