JP2007524073A - Aiming device and measuring device that can be used without or in contact - Google Patents

Abstract

Marking of the position / and / or size of a measurement spot is made possible with simple means and with high accuracy, and the influence of disturbance on the axis of the measuring device, processing device and / or working device is minimized. And a measuring device, a processing device and / or a working device that can be used without contact or in contact with the above-mentioned aiming device.
An aiming device for generating a target mark that can be visually recognized with respect to an object comprises at least one light source for supplying at least two aiming rays (6, 7).
In this aiming device, in order to improve the accuracy of the target mark, both aiming light beams (6, 7) are directed to the optical members (8, 9), respectively, and the aiming light beams (6, 7) are respectively illuminated by the optical members. In the plane (10, 11), the two illumination planes (10, 11) can be divided so that they intersect at a certain angle.
In this case, the intersection of the two illumination surfaces is a facility equipped with the target measuring device, processing device and / or working device. A mark is formed.
In addition, it can be used without contact or in contact. This equipment interacts with all kinds of objects at settable destinations.
In that case, the direction of the target location can be measured by the aiming device of the present invention.
[Selection] Figure 1

Description

The present invention relates to an aiming device for generating a visually recognizable target mark on an object having at least one light source for supplying two aiming light beams.
Furthermore, the present invention includes a measuring device, a processing device, and / or a working device that can be used in a non-contact manner or in contact with each other, and the measuring device, the processing device, and / or the working device are all kinds of settable target values. In this case, the position of the target value relates to a facility including a measuring device, a processing device, and / or a working device that can be measured by an aiming device.

Aiming devices and equipment of the type described herein have been known in practice for quite some time and are widely used, especially in the area of non-contact temperature measurement.
The equipment for non-contact temperature measurement includes a detector for detecting thermal radiation emitted from a measurement spot on a measurement object, an optical system for imaging the thermal radiation emitted from the measurement spot on the detector, and the measurement object. It includes an aiming device for characterizing the measurement spot position on the object with visible light.
Furthermore, there is known an apparatus that makes it possible to visually recognize not only the position of the measurement spot but also the size of the measurement spot on the measurement object.

In order to make the measurement spot on the object actually visible, laser beams are overwhelmingly used.
In that case, however, there are a series of problems.
If the laser is arranged, for example, away from the optical axis of the radiation detector and the laser beam is emitted towards the optical axis at a small angle with respect to the optical axis of the detector, the laser aiming beam and the The optical axis of the detector forms two inclined straight lines that intersect at a certain distance from the detector.
Such a sighting device therefore only provides an error-free target mark and is offset from all other detectors only if the distance from the detector to the object to be measured is a single constant distance. In contrast, there is more or less misalignment between the generated target mark and the actual measurement spot.

Optical systems used in infrared measuring instruments, i.e. in infrared thermometers and infrared cameras, often do not penetrate visible areas.
In order to obtain an accurate center-independent display by laser aiming, a structure including a redirecting mirror or polarizing prism and an optical window in the optical axis of the infrared detector is required in the central region of the infrared optical system. It is.
What is common to all structures is that they are very complex (see, for example, Patent Document 1).

Based on the processing of special materials of infrared optical material, the incorporation of a central hole into the objective lens is relatively expensive.
The structural element for aiming the measurement center point reduces the effective opening of the infrared measurement path according to the size of the structure.
Based on the self-emission of the structural element, the structural element also presents disturbance variables that are difficult to compensate for in the optical path, especially when changing the temperature of the device and the object.
In addition, diffraction phenomena occurring at the end faces on the structure reduce the geometric resolution.
U.S. Pat. No. 4,315,150

  The object of the present invention is to make it possible to mark the position and / or size of a measurement spot with simple means and with high accuracy and to influence the disturbance of the measuring device, the processing device and / or the working device. It is to provide an equipment including a sighting device and a measuring device, a processing device, and / or a working device that can be used in a non-contact manner or in contact with the above-described aiming device.

The above object is solved according to the invention by an aiming device having the features of claim 1 with respect to an aiming device for generating a target mark that can be visually recognized with respect to an object.
An aiming device for generating a target mark, which can be visually recognized with respect to an object of the type mentioned in the introduction, is thus formed in such a way that the two aiming rays are respectively directed towards the optical member, Depending on the member, the two illumination surfaces can be split so that they intersect at an angle, in which case the intersection of the illumination surfaces is configured to form the target mark.

In the method of the present invention, first, if the member of the irradiation device is on the axis of the measuring device, the processing device and / or the working device, the measuring process will be disturbed, and the processing process may be impossible depending on the circumstances. I understand that
Furthermore, it can be seen that the present invention can generate a visually recognizable target mark in the form of a crosshair by splitting two aiming rays into two intersecting illumination surfaces using an optical member.
In that case, the target mark is always accurately on the axis of the measuring device or the processing device without depending on the distance to the object to be measured and without any obstructing member arranged on the axis. .
As a result, distance-independent aiming is possible without a parallel axis.

Specifically, with respect to the light source, it is possible to handle a laser that is split into two non-spread split beams by a beam splitter to provide two aiming beams.
In that case, the laser can advantageously be formed as a microlaser driven by a low power battery that is harmless to the human eye, for example in the form of a diode laser or a semiconductor laser.
The power of the laser is typically around 1 mW, so the temperature of the measurement spot is not reliably affected by the energy radiated from the aiming device to the measurement spot.

The two aiming rays so generated are each directed towards the optical member.
In that case, for each optical member, each of the two aiming rays is split into one illumination plane, ie a fan-shaped ray.
In order to avoid unnecessary losses, i.e. to generate clear target marks that are as bright as possible, the optical element can be made of a material with good transparency.
Therefore, materials such as glass, plexiglass or transparent plastic can be used advantageously, and the use of these materials has the additional advantage that the optical member can be manufactured more cost-effectively.

In order to split the aiming beam through the optical member, the optical member has at least one concave or convex curved surface.
There are especially circular or semi-circular surfaces for easy maneuverability and simple adjustment.
In that case, an oval or asymmetric curved surface is also conceivable in principle.
In this case, what is important is that, after passing through the optical member, the aiming light beam enters the optical member at various angles so that splitting of the aiming light beam is achieved.

A cylindrical configuration of the optical member, for example, a true cylindrical configuration is provided so that the aiming beam is divided in one plane.
In that case, the aiming light beam passes through the curved surface when entering the optical member as well as when leaving the optical member surface, thereby generating an illumination surface.
However, similarly, when the optical member is formed in a semi-cylinder, the aiming ray enters only the curved surface, and when the aiming ray enters or exits the optical member depending on the direction of the semi-cylinder, it is on a flat surface. It can be configured to “meet”.

In addition to refracting / deflecting members such as cylinders and prisms, diffracting optical elements—so-called holograms and / or (micro) mechanical scanners—can be used to spread the aiming beam into a fan shape.
In that case, it is also conceivable to pass a plurality of members that form one functional unit together with the aiming beam in order to spread it into a fan shape.

The optical member can be arranged on the outer wall of the cylindrical casing in a preferred and reusable configuration which stands out especially in terms of easy operability.
In that case, the cylindrical casing is used to accommodate, for example, a light detector and an imaging optical system attached thereto.

The optical member formed as a cylinder is tangentially attached to the outer wall of the casing.
In that case, the direction is adjusted so that the cylindrical axis of the optical member is perpendicular to the cylindrical axis of the casing.
Such an arrangement and direction adjustment of the optical member to the casing can be realized at a low cost by combining the appropriate direction adjustment of the corresponding aiming beam and the desired target mark, as will be described in detail below. is there.

  In a particularly preferred configuration, instead of a single laser split into two aiming rays via a single beam splitter, two lasers can be provided so that each optical member can be assigned a unique laser. it can.

The laser can likewise be arranged on the outer wall of the cylindrical casing and can be directed towards the optical member from the side not facing the object to be inspected or processed.
In that case, the laser is particularly directed so that the aiming beam is generated perpendicular to the cylinder axis of the optical member.
In that case, the laser can be oriented parallel to the casing axis or oriented at an angle with respect to the casing axis with respect to the optical member, for example only when necessary for structural reasons. Can be attached.
The distance of the laser from the casing axis can basically be selected arbitrarily.

With respect to the precise positioning of the laser along the outer periphery of the casing, it can be determined that the position of the laser coincides with the location of the optical member on the outer wall of the casing.
Furthermore, if the laser is directed parallel to the axis of the casing, the target mark that occurs as the intersection of the two illumination surfaces always marks the center casing axis and up to the object to be inspected or processed It is certain that it does not depend on the distance.

In an advantageous manner, it can be determined that the optical members take an angle of 180 ° or less with respect to each other along the outer circumference of the casing.
When the two optical members are positioned exactly opposite each other, the two generated illumination surfaces have the same range, and as a result, a crosshair as a target mark cannot be obtained.
In fact, it has been found that an angle around 90 ° is advantageous because the two illumination surfaces are positioned perpendicular to each other and a crosshair is formed as a clearly visible target mark.

  For objects that can only be machined or inspected at a certain angle or below, so that the illumination planes appear perpendicular to each other in relation to the object, The angle between the two optical members can be reduced accordingly.

For a particularly convenient and efficient configuration, the aiming device includes a total of four lasers and four aiming beams.
In that case, each aiming beam is split at the illumination surface, ie, a fan beam, as described above.
In the case of an aim having two or more fan-shaped rays, it is possible to compensate for variations in the light density in the illumination plane.
In fact, the optical means for spreading the laser beam into a fan shape is usually such that the light density on one side of the generated fan beam is higher than the light density on the other side of the fan beam.
When the fan-shaped spreading means are arranged opposite to each other, that is, when they are arranged so as to be shifted from each other by 180 °, the end face with the lower light density of one fan light beam is more than that of the other fan light beam. The end surfaces of high fan density overlap, thereby providing illumination of a rotating object that is all uniform.
In this way, as a result, the highest possible light density and good visibility of the target mark are realized at the measurement spot.
In order to generate a crosshair consisting of illumination lines extending across each other at the midpoint of the two measurement spots, the optical means for spreading the four aiming rays in a fan shape are offset from each other by 90 °. can do.

In a special form of embodiment which can be used with particular advantage to aim at the size of the measuring spot in connection with a temperature measuring device which processes in a non-contact manner as will be explained in detail below, Has a lateral limit.
Such a width limit can be realized, for example, by a special configuration of the components in which the rays spread or by taking into account the screen.

With respect to equipment having measuring devices, processing devices and / or working devices that can be used without contact or in contact, the above problems are solved by the equipment having the features of claim 24.
Accordingly, a device of the above kind is characterized by an aiming device according to claims 1 to 23.

As for the measuring device, for example, a pyrometer, a radiometer or an infrared camera for non-contact temperature measurement can be handled.
As is known, these measuring devices include a detector on which electromagnetic radiation emitted from a measuring spot on the object can be imaged by imaging optics.
The detector can be placed in the center of the cylindrical casing of the aiming device.
In the case of such an apparatus, the target mark generated in the form of a crosshair by the sighting device is always aimed at the center of the measurement spot without a parallel axis and independent of the distance.

In addition to the exact placement of the midpoint of the measurement spot, it is often important to display a size that does not depend on the distance.
Very common infrared thermometers utilize an optical system that has a focal point at a finite distance.
In these devices, the diameter of the measuring spot immediately before the measuring device corresponds to the diameter of the lens.
As the distance from the measuring device increases, the diameter of the measuring spot decreases and is smallest at the focal point.
The diameter of the measurement spot increases again behind this focal point.
In order to show the characteristics of the size of the measurement spot, the tilted beam technique, published in German Patent Publication DE 19654276A1, in which the laser beam breaks through the illumination surface discussed here, is used.
However, this technique requires a very elaborate special solution to display the crosshairs.

As an alternative to the known tilt beam technique, the lateral limit of the fan beam can be selected so that the lateral edge of the fan beam can be used to illuminate the diameter of the measurement spot.
Specifically, from the detector to the focal point, one end face of the fan beam marks the outer circumference of the measurement spot, and behind the focal spot, the other edge face of the fan beam marks the outer circumference of the measurement spot. Can be adjusted.
As a result, at the focal point, the width of the fan beam exactly matches the diameter of the measurement spot.

Instead of the measuring device, a processing device or a working device (specifically, for example, a drilling machine or a surgical instrument) can be provided.
With drilling machines or similar instruments, there is generally a problem that the drilling process must be performed in a plurality of individual stages.
In addition, typically a target mark must be manually placed at the desired target position on the object.
The drilling machine is stationary and mounted on the target mark, after which the drilling machine is only driven and rotated.
When the drilling machine begins to rotate, it often happens that the drilling machine slides from the target mark to the side, which results in an inaccurate and tedious process.
On the other hand, in the case of a drilling machine equipped with the aiming device of the present invention, the target mark and the predetermined mounting position of the drilling machine on the object can always be seen, so the drilling machine is mounted on the object to be processed. The drilling machine can already be rotated before.
A visible target mark facilitates rapid forward movement of the drilling head under rotation.

Another specific use in the range of non-contact thermometers is real-time distance measurement on the optical axis of the infrared measuring device between the object to be measured and the infrared measuring device.
In that case a so-called video sight is used.
In a video sight, the laser creates a line in the scene.
The position of this line can be ascertained by evaluating the central slit in the video screen of the video sight camera.
The video camera is pulse driven and operates to blank out the blanking.
Alternatively, the position of the line can be determined using an additional, position-responsive flat diode, eg PSD (Position Sensitive Detector).
The position of the line is used to determine the distance between the measurement object and the infrared measurement device.
This distance information is related to the sharpness adjustment position of the infrared measuring device described in detail below, and the video information necessary to automatically and properly insert the infrared measuring spot and the size of the infrared spot. provide.
A composite screen displayed on the individual monitor or on the television screen of the measuring device itself is superimposed on the video image of the scene.

According to the present invention, in an aiming device for generating a visually recognizable target mark having at least one light source for supplying two aiming light beams to an object, the two aiming light beams are optically transmitted. By the optical member, the aiming light beam can be divided by the optical member so that the two illumination surfaces intersect at a certain angle on one illumination surface, and the two aiming light beams can be divided into two intersecting illuminations. By dividing into planes, it is possible to provide an aiming device that is configured to generate a visually recognizable target mark in the form of a crosshair and that does not depend on the distance to the measurement object.
Further, in a facility equipped with a measuring device, a processing device and / or a working device, the measuring device or the working device is always accurately detected without any obstructing member being arranged on the axis of the measuring device, the processing device and / or the working device. Are on the axis of the processing device, and as a result, aiming independent of distance without parallel axes is possible.

There are various possibilities to advantageously configure and deploy the present invention.
In contrast thereto, reference should be made to the description of the preferred embodiments of the invention described below, using the claims and drawings recited in claims 1 to 24.
In connection with the description of the preferred embodiment of the present invention, the drawings also show generally preferred configurations and developments of the present invention.

FIG. 1 shows a schematic end view of a first embodiment of the installation of the invention comprising a measuring device which can be used without contact.
This equipment interacts with all kinds of objects at a predetermined target position.
In that case, the target position can be measured by an aiming device.
The facility has a detector 1.
Electromagnetic radiation emitted from a measurement spot of an object (not shown) can be imaged by the lens 2 on this detector.

The aiming device has two first lasers 3 and a second laser 4 which are separated from the optical axis 5 of the detector 1.
The first laser 3 and the second laser 4 generate two aiming rays 6 and 7.
The aiming light beam runs parallel to the optical axis 5 of the detector 1 and hits two optical members 8 and 9 disposed on the outer periphery of the lens 2.
According to the perspective view shown in FIG. 1, the first laser 3 and the attached optical member 8 are behind the optical axis 5, while the second laser 4 and the attached optical member 9 are below the optical axis 5. Arranged on the side.
With respect to the optical axis 5, the two first lasers 3 and the second laser 4 and the corresponding optical members 8, 9 are at an angle of 90 ° to each other.

By the rear optical member 8, the aiming light beam 6 of the first laser 3 is divided on the illumination surface 10 oriented so as to be perpendicular to the paper surface of the drawing.
On the other hand, the aiming light beam 7 of the second laser 4 is split at the lower optical member 9 at the illumination surface 11 oriented perpendicular to the illumination surface 10, ie, parallel to the drawing sheet. ing.
In total, the division of the two aiming rays 6, 7 results in two facing illumination surfaces 10, 11 that are oriented perpendicular to each other.
The intersection of the illumination planes shows the optical axis 5 of the detector 1 in the form of a crosshair, independent of the distance from the detector 1.

FIG. 2 shows a schematic plan view of the aiming device of the present invention.
The aiming device includes a casing 12 disposed coaxially with the optical axis 5.
Two lasers and two optical members 8 and 9 (not shown) are arranged in the casing.
The two optical members 8 and 9 are formed as true cylinders and are in contact with the outer wall of the casing 12 in the tangential direction.
In that case, the cylinder axis 13 of the optical members 8, 9 is oriented perpendicular to the axis 14 of the casing 12.
The two lasers are oriented parallel to the casing axis 14 and formed by connecting the point of the casing axis 14 and the contact point of the optical members 8 and 9 on the outer wall of the casing 12 in FIG. It is comprised so that the collision points 15 and 16 of the aiming rays 6 and 7 may exist on the line | wire shown by.

As shown in FIG. 3, the width of the illuminated line can be limited by a special structure of the light spreading component, in particular by incorporating a screen (not shown).
In the embodiment shown in FIG. 3, the detector 1 is at the focal point of the lens 2, which results in an optical system that draws an image indefinitely, ie a constant measurement spot size independent of distance.
The screen and ray limits are then selected so that the laterally restricted fan rays 10, 11 run along the circumference of the measurement spot and indicate the measurement spot size independent of distance.

FIG. 4 shows a perspective view of an installation for measuring temperature in a non-contact manner with an imaging optical system 2 that forms a finite image, ie with a focal point 17 at a finite distance, which is very popular in practice.
While the size of the measurement spot corresponds to the diameter of the lens in the immediate vicinity of the instrument, the size of the measurement spot gradually decreases as the distance increases.
The equipment focus 17 occurs in the narrowest position with the smallest measurement spot diameter.
After the focal point 17, the diameter of the measurement spot increases again.
FIG. 4 shows the diameter of the measurement object at various distances as indicated by the detector 1 with the lens 2 and the transition of the narrowed tubular diameter.
By limiting the fan rays 10, 11 to the diameter of the measurement spot at the focal point 17, a display of the target cross can be achieved in accordance with FIG.
More specifically, the fan rays 10 and 11 penetrate the diameter of the smallest spot with a width corresponding to the diameter of the measurement spot.
Before the focal point 17, one end face 18 of the fan-shaped rays 10 and 11 restricts the measurement spot, and after the focal point 17, the other end face 19 restricts the measurement spot.
In the focal region, a cross whose size and position schematically indicate the diameter and center of the measurement spot is shown.

FIG. 5 shows an extension of the principle with two other fan beam arrangements so that the aiming device includes a total of four lasers 20 and four optical means 21 for fanning the beams.
The two fan beam arrays are opposed to each other in pairs.
The two fan beam arrangements generate fan beams that completely overlap with the fan beam generated on the opposite side in the region of the smallest measurement spot.
Behind the focal point 17, the outer end face of the measurement spot indicates the size of the measurement spot.
This results in an array in which the outer limits of the four-line measuring cross indicate the size of the measuring spot exactly at each distance.
Near the focal point 17, the measuring cross is indicated by two illumination lines 22, 23 penetrating at right angles to each other.

The optical means 21 is formed such that the light density along one side of the illumination lines 22 and 23 is less than the light density along the other side.
As a result of this measure, the highest possible beam density of the laser target mark is obtained at the measurement spot, thereby providing good visibility.
Since the end face of the lower light density of one fan beam overlaps the end face of the higher light density of the other fan light beam, the erroneous symmetry of the target cross makes the illumination arrangement of the two lasers corresponding to FIG. It is compensated by the array displaced 180 °.
In this way, the center point is given rotationally symmetrically with the highest luminance in the central region.

FIG. 6 shows a specific embodiment of the optical means 21 for converting the laser aiming beam into a fan beam.
The beam entrance side of the member 21 is formed in an axon shape having a wedge-shaped round tip.
Therefore, the light beam strikes member 21 at a number of different angles, which results in the advance of the light beam as shown in the figure.
When exiting the member 21, i.e. when moving into an optically dilute medium, a fanned light beam strikes the flat interface, which further increases the opening angle of the beam.
A screen can be mounted on the light exit side to limit the side of the fan beam according to special requirements.

FIG. 7 shows, in perspective view, another embodiment having a total of four fan rays.
Unlike the embodiment shown in FIG. 5, the four lasers are formed as laser modules 24.
The laser module 24 is placed in a cylindrical casing, and in addition to the intrinsic laser, the laser beam is fanned out so that the light beam consisting of a laser beam generator and a collimator lens is fanned out. Including a series-connected optical system.

The IR objective lens 25 that forms IR radiation on the IR (infrared) detector 1 is composed of two lenses.
A lens not facing the detector is fixed to the window ring 26.
The window ring 26 has a total of four passages so that the fan beam can pass through the window ring 26 without obstruction.
The lens of the IR objective lens 25 facing the detector 1 can be moved along the optical axis by the positioning mechanism 27.
That is, the IR objective lens 25 is formed as a variable objective lens (Vario-Objectives).

FIG. 8 finally shows the spatial extent of the four fan rays behind the window ring 26.
FIG. 8 c) shows a state where the inner end faces of the fan-shaped rays are in contact with each other, thereby forming a closed cross line.
FIG. 8d) shows the narrowest position with the focus position, ie the smallest measuring spot diameter.
Up to this point, the size of the measurement spot is limited by the outer edge of the fan beam.
After the focal point shown in FIGS. 8e) and 8f), the diameter of the measurement spot becomes larger again and is limited by the inner end face of the fan beam.

FIG. 9 schematically illustrates an embodiment of a non-contact temperature measuring IR thermometer comprising an aiming device having a total of two laser modules 28, 29.
In the figure, the ray transition of IR radiation is indicated by a dotted line.
The IR radiation is focused on the IR detector 1 by an IR objective 25, shown as a single lens for simplicity.
As already mentioned, the aiming device includes two laser modules 28 and 29.
The first laser module 28 generates a fan-shaped light beam including the optical axis 5 indicated by a dotted line, with the dividing plane coinciding with the paper surface of FIG. 9, by a laser beam generator integrated in the laser module 28.
The second laser module 29 uses a corresponding laser generator to generate a fan beam perpendicular to the fan beam of the first laser module, i.e. perpendicular to the plane of FIG.
The two fan beams are superimposed by a beam splitter 30 in the illustrated embodiment.
In that case, in principle, use of a prism is also conceivable.

The second laser module 29 through the beam splitter 30 are oriented so that the generated fan beam intersects the optical axis 5 of the IR thermometer only at a certain distance from the detector 1.
That is, the aiming device has a kind of parallax error in one plane.
An indication of the size of the measurement spot is also only accurate at a certain distance.
However, this drawback is offset by the advantage of this device in terms of manufacturing technology.
The operational comfort is then improved so that a complete crosshair can be seen over a far-off area by the superposition of two fan rays.
In this regard, this embodiment shows that the ray of rays shown in detail in FIG. 8 only forms a full aiming tenth line surrounding a relatively sharp limited area before and after the focus. The course is significantly different.
It should be noted that, instead of the embodiment using the beam splitter 30 or the prism, the two laser modules 28 and 29 are positioned in close contact with each other, and the second laser module 29 is positioned with respect to the optical axis 5 of the IR thermometer. And the fan-shaped light beam is configured to intersect the optical axis 5 only at a certain point.

  For other advantageous inventive configurations and developments of the present invention, please refer to the entirety of this specification and the appended claims.

  Finally, it should be particularly emphasized that the arbitrarily selected embodiments are merely used for discussing the present invention, and the present invention is not limited to these embodiments. That is.

Industrial applicability

  The present invention can be applied to equipment equipped with a measuring device, a processing device, and / or a working device that can be used in a non-contact or contact manner, such as a non-contact thermometer, a perforator, a surgical instrument, and the like.

It is a schematic perspective view of the 1st Example of the installation of this invention. 1 is a plan view of an embodiment of an aiming device of the present invention for generating a target mark that can be visually recognized on an object; FIG. FIG. 2 is a schematic perspective view of an installation essentially as shown in FIG. 1, but with another optical means for fanning the beam. FIG. 4 is a schematic perspective view of the equipment shown in FIG. 3 but having an imaging optical system that draws an image within a finite range. FIG. 4 is a schematic perspective view of a second embodiment of the installation of the present invention having a total of four aiming rays. FIG. 6 is a schematic end view of an embodiment of an optical member for fanning an aiming beam. FIG. 6 is a schematic perspective view of another embodiment of the installation of the present invention having a total of four laser modules. It is a perspective view which shows the expansion | deployment of the fan-shaped light beam of the apparatus of FIG. FIG. 6 is a schematic end view of another embodiment having two laser modules.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Detector 2 Lens 3 1st laser 4 2nd laser 5 Optical axis 6 Aiming light 7 Aiming light 8 Optical member 9 Optical member 10 Illumination surface, fan-shaped light 11 Illumination surface, fan-shaped light 12 Casing 13 (Optical member 8, 9) Cylinder axis 14 Casing axis 15 Collision point 16 (for aiming rays 6, 7) Collision point 17 (for aiming rays 6, 7) 17 Focus 18 One end face 19 (for sector rays 10, 11) 11) the other end face 20 laser 21 optical means, member 22 illumination line 23 illumination line 24 laser module 25 IR objective lens 26 window ring 27 positioning mechanism 28 laser module 29 laser module 30 beam splitter

Claims (34)

  A sighting device having at least one light source for supplying two sighting rays (6, 7) and generating a visually observable target mark on an object, said two sighting rays (6, 7) is directed to the optical member (8, 9), and the optical beam causes the aiming light beam (6, 7) to pass through the two illumination surfaces (10, 10) on one illumination surface (10, 11). 11) The sighting device can be divided so as to intersect at an angle, and the intersection of the illumination surfaces forms the target mark.   The aiming device according to claim 1, characterized in that the light sources are first and second lasers (3, 4).   The sighting device according to claim 1 or 2, wherein the optical member (8, 9) is made of a transparent material such as glass, plexiglass (US registered trademark), or plastic.   4. The optical member according to claim 1, wherein the optical member is an element that produces a refraction having a curved, in particular circular or elliptical surface. 5. Aiming device.   5. Aiming device according to claim 4, characterized in that the optical member (8, 9) is formed as a cylinder, in particular as a true cylinder.   5. Aiming device according to claim 4, characterized in that the optical member (8, 9) is formed as a semi-cylinder.   The aiming device according to claim 1 or 2, characterized in that the optical member (8, 9) is a diffractive optical element.   3. Aiming device according to claim 1 or 2, characterized in that the optical member (8, 9) is an electro-optical element or a (micro) mechanical scanner.   The aiming device according to any one of claims 1 to 8, wherein the optical member (8, 9) is formed as a functional unit.   The aiming device according to any one of claims 1 to 9, wherein the optical member (8, 9) is disposed on an outer wall of the cylindrical casing (12).   11. The sighting device according to claim 10, wherein the optical member (8, 9) is in close contact with the outer wall of the cylindrical casing (12) in the tangential direction.   12. A cylinder axis (13) of the optical member (8, 9) is oriented at right angles to the axis (14) of the casing (12), according to claim 10 or claim 11. Aiming device.   13. Aiming device according to any one of the preceding claims, characterized in that the optical member (8, 9) is assigned to the first and second lasers (3, 4). .   The first and second lasers (3, 4) are disposed on the outer wall of the cylindrical casing (12) on the side of the optical member (8, 9) that does not face the object. The aiming device according to any one of claims 10 to 13, wherein the aiming device is characterized by the following.   The first and second lasers (3, 4) are oriented perpendicular to the cylinder axis (13) of the optical member (8, 9). The sighting device according to claim 14.   The first and second lasers (3,4) are oriented parallel to the axis (14) of the casing (12). Aiming device according to.   The collision point (15, 16) of the aiming light beam (6, 7) to the optical member (8, 9) is a point on the axis (14) in the center of the casing (12) and on the casing (12). The sighting device according to any one of claims 10 to 16, wherein the sighting device is located on a straight line passing through a contact point of the optical member (8, 9).   18. Aiming device according to any one of the preceding claims, characterized in that the optical members (8, 9) are at an angle of 180 [deg.] Or less.   The aiming device according to any one of claims 1 to 18, wherein the optical members (8, 9) have an angle in a range of around 90 ° to each other.   20. Aiming device according to any one of the preceding claims, characterized in that a total of four optical members (8, 9) are provided.   21. The aiming device according to claim 20, wherein the two optical members (21) face each other in pairs.   22. Aiming device according to claim 20 or 21, characterized in that adjacent optical members (21) are at an angle of 90 [deg.] To each other.   23. Aiming according to any one of the preceding claims, characterized in that the fan-shaped rays (10, 11) produced by the optical member (8, 9, 21) have a horizontal boundary. apparatus.   A measuring device, a processing device and / or a working device that can be used in a non-contact manner or in contact with each other, and the measuring device, the processing device and / or the working device are mutually connected to all kinds of objects at a settable target position; 35. A facility that operates and the target position is measurable by a sighting device, characterized by the sighting device according to any one of claims 1 to 23 or 31 to 34. Facility.   The equipment according to claim 24, wherein the measuring device is a pyrometer, a radiometer, or an infrared camera for non-contact temperature measurement.   The pyrometer, the radiometer or radio camera for non-contact temperature measurement includes a detector (1) on which the emission from the measurement spot on the object 26. The installation of claim 25, wherein the electromagnetic radiation to be focused can be focused by a focusing optical system.   27. Equipment according to claim 26, characterized in that the detector (1) is integrated in the center of the cylindrical casing (12) of the aiming device.   The lateral border of the fan beam (10, 11) is selected such that the end faces (18, 19) of the fan beam (10, 11) can be used to aim the size of the measurement spot. The equipment according to any one of claims 24 to 27, characterized in that:   29. An installation according to any one of claims 26 to 28, comprising an imaging optical system having a focal point (17) at a finite distance, wherein the focal point (see the detector (1)). Up to 17), one end face (18) of the fan-shaped light beam (10, 11) attaches the outer periphery of the measurement spot, and behind the measurement spot (17) is the other end of the fan-shaped light beam (10, 11). An installation characterized in that an end face (19) attaches the outer circumference of the measurement spot.   The equipment according to claim 24, wherein the processing device is a drilling machine, a surgical instrument or the like.   24. A sighting device according to any one of claims 1 to 23, wherein the light source is provided as a laser module (24), which is in particular housed in a cylindrical casing. A sighting device comprising a laser and an optical system connected in front of the optical system.   32. The sighting device according to claim 31, wherein the laser and the optical system connected in front of the laser module include a laser beam generator and a collimator lens.   Two laser modules (28, 29) arranged in close proximity to each other, the laser beam generators of said laser modules (28, 29) generating fan-shaped rays that are at least in close proximity and perpendicular to each other The aiming device according to claim 32, wherein: One of the two fan rays is oriented to intersect the optical axis (5), and the other of the fan rays is oriented to intersect the optical axis (5) at a fixed point. 34. Aiming device according to claim 33, characterized in that:

Images