CN101206183B - Method and apparatus for viewing hole internal wall image - Google Patents
Method and apparatus for viewing hole internal wall image Download PDFInfo
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- CN101206183B CN101206183B CN200610167701XA CN200610167701A CN101206183B CN 101206183 B CN101206183 B CN 101206183B CN 200610167701X A CN200610167701X A CN 200610167701XA CN 200610167701 A CN200610167701 A CN 200610167701A CN 101206183 B CN101206183 B CN 101206183B
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Abstract
The present invention discloses a method and an apparatus for detecting images in inner wall of a hole; typically, a first reflection surface and a second reflection are arranged on a main body at a fixed interval, and the second reflection surface is moved into the detected hole; a light source projects light beams; after the reflection of the first reflection surface and the second reflection surface, the light beams are projected onto the inner wall of the hole for providing illumination; the second reflection surface positioned in the hole reflects the images of the inner wall of the hole to an image sensor; after the receipt of the image sensor, the image signal is outputted to be used or displayed, so that the light path and structure are simplified, and the purpose of reducing cost and easy maintenance is achieved.
Description
Technical field
The present invention relates to a kind of viewing hole internal wall image method and device, refer to that especially a kind of two corresponding one first reflectings surface and one second reflecting surface of utilizing carries out leaded light, and be configured to the technology that hole inwall that a light path simply reaches designs simplification is inspected.
Background technology
At present, along with the prosperity of industry, the requirement on machining accuracy of every product is also more and more strict.And in the industrial product, the processing in hole often as seen, metal spare part especially often need be with various process technology, for example bores, mills or technology such as chemical etching, makes on the metal spare part and is processed to form hole.
Because in the process, sometimes because various factors, for example dust, assorted bits, or processing machine or parts is bad or unstable, causes the hole internal face to sustain damage, and forms so-called flaw.At this moment, if fail it has been produced parts defective in hole, before utilizing, earlier flaw is inspected out, change or process in advance, in case after utilizing to do to eliminate, when producing serious influence, its bigger loss just more makes us too late for regrets for the utilization of back achievement.Therefore, take place for fear of the aforesaid sorry facts, whether known existing people develops in the special hole inwall of inspecting processing component for operating personnel checking device defective.
Known to the inventor, the known technology that is used for the peep pole inwall is a lot of, for example the U.S. the 4th, 865, No. 448 patent cases, be to utilize a body of rod to stretch in the manhole with reflecting surface, again from outside catoptron rear projection thunder laser beam, the penetrate through reflective mirror, and through reflecting surface and the hole inwall that arrives, be back to catoptron by hole inwall reflection with same light path again, through mirror reflects to sensor.Yet, with the designed light path of this preceding case technology, it can only be inspected at a Kong Caineng who runs through two ends, and is then inapplicable for an end blind bore, otherwise laser light can be subjected to stopping of the body of rod and can't be directed at the hole inwall, and the case technology is restricted for the applicability in hole before therefore being somebody's turn to do.
Day disclosure Di Ping-2-95205 patent case for another example, it is to form the reflection of light face in a leaded light with the cylindrical shell inner face, and establish the reflection conical surface in an end of cylindrical shell, the mode directive tube inwall that again light source is the tool angle from cylindrical shell one side, through repeatedly arriving at hole inwall to be inspected after the reflection, reflect light to the cylindrical shell other end with the reflection conical surface again, and through several lens light gatherings and the sensor that arrives receives.Yet this preceding case technology, light path are comparatively complicated, and design accuracy must be very high, and must add a plurality of lens light gatherings, and one-piece construction and assembly are comparatively complicated, cost height not only, and safeguard and be difficult for.
In addition, a day disclosure Di Tekaiping 10-318727 patent case is also arranged, its technology also is to form light reflection surface at a light conductor (as optical fiber) inner face basically, and establish one at light conductor one end and have the printing opacity and the catoptrical reflection conical surface concurrently, light source is directed at hole inwall to be inspected, is back to sensor via the reflection conical surface and light conductor again.Yet this patented technology and a last Jap.P. case know-why are very similar, all are to see through refraction and reflection, accurate angle calculation designs, its desired machining precision is very high, and the relative cost height similarly also is can produce to safeguard the problem that is difficult in the future.
Have supervise in above put forward several known patents before the problem that produced of case technology, and produce a light path and designs simplification, be easy to make and the hole inwall checking device safeguarded has urgent demand property.The inventor actively drops into research and development by feat of the years of researches development Experience, and after repeatedly design and test, develop and can improve above-mentioned known technology disappearance really, and the technology of attainable cost goal of the invention.
Summary of the invention
First purpose of the present invention, be provide a kind of can easy peep pole inwall and raising inspect the method for effect.And reach the main concrete grammar of this purpose, be one first reflecting surface and one second reflecting surface of preparing fixed interval, second reflecting surface is moved in the people hole to be inspected, again light source projects to the first reflecting surface is reflexed to second reflecting surface of position in the hole, and by second reflecting surface of position in the hole with beam reflection to this hole inwall, receive the image that reflects from this hole inwall with second reflecting surface of position in the hole again, and image is reflexed to an image sensor receive, by this image sensor image signal is sent out for utilizing and showing at last.
Second purpose of the present invention is providing a kind of designs simplification, and cost is low, and the viewing hole internal wall image device that is easy to safeguard.Its concrete structure comprises a body, in order to location interfix at interval one first reflecting surface and one second reflecting surface, and light source is projected to hole inwall to be inspected so that light beam to be provided through first reflecting surface and second reflecting surface, again hole internal wall image is directly reflexed to an image sensor, send out again to do and show or utilization, with this light path framework of simplifying, can reach inspecting of hole inwall, thereby can reach above-mentioned purpose really.
Concrete technical scheme of the present invention is as follows:
A kind of hole inwall 360 degree image checking devices, it comprises:
A vertical body of stretching has first end, second end, and extends the center longitudinal axis that connects this first end and this second end;
At least one light source;
The compartment of terrain be positioned on this body and mutually towards and one first reflecting surface and one second reflecting surface of folded light beam mutually, this first reflecting surface closes on this first end of this body, and in order to the incipient beam of light of reflection from this light source, this second reflecting surface closes on this second end of this body, reflex to hole inwall to be inspected in order to reflecting the incipient beam of light of coming, and the detection image that the hole inwall is reflected is towards this first end reflection of this body from this first reflecting surface; And
One light beam sensing device is in order to receive the sensor of the detection image that this second reflecting surface will reflect from the hole inwall.
A kind of viewing hole internal wall image device, it comprises:
A vertical body of stretching has first end, second end, and extends the center longitudinal axis that connects this first end and this second end;
At least one light source;
The compartment of terrain be positioned on this body and mutually towards and one first reflecting surface and one second reflecting surface of folded light beam mutually, this first reflecting surface is the one first reflection conical surface and this first end that closes on this body, and in order to the incipient beam of light of reflection from this light source, this second reflecting surface closes on this second end of this body, reflex to hole inwall to be inspected in order to reflecting the incipient beam of light of coming, and the detection image that the hole inwall is reflected reflects towards this first end of this body from this first reflection conical surface;
One is positioned at the zone of passing through of this first reflection conical surface central part; And
One light beam sensing device is in order to receive the sensor of the detection image that this second reflecting surface will reflect from the hole inwall.
Above-mentioned viewing hole internal wall image device, wherein, this body in a tubular form, be installed with a transparent stator in this of this body second end, plant a fixed bar that extends along this center longitudinal axis of this body on this stator, this fixed bar end is provided with this second reflecting surface, and makes outside this second end of outstanding this body of this second reflecting surface.
Above-mentioned viewing hole internal wall image device, wherein, the angle of wide of this stator and this center longitudinal axis is between 0～70 degree, to eliminate ghost.
Above-mentioned viewing hole internal wall image device, wherein, this light beam sensing device is the image sensor of a video camera.
Above-mentioned viewing hole internal wall image device, wherein, the display device that this video camera and includes a display is done signal and is communicated with, and the image signal that this image sensor is sensed can be sent to this display device; And by this make displays instant playback of this display device.
Above-mentioned viewing hole internal wall image device, wherein, this sensor includes an optics wide-angle lens, and this camera lens can be for adjusting image is focused on this sensor.
Above-mentioned viewing hole internal wall image device, wherein, this first reflecting surface and this second reflecting surface are circular conical surface.
Above-mentioned viewing hole internal wall image device, it more includes a support body, and this support body is provided with a guide rail, and this guide rail is provided with slide block, and this slide block is provided with stationary installation, fixes this body with this stationary installation, this body can be adjusted and move along this guide rail.
Above-mentioned viewing hole internal wall image device, wherein, this first reflecting surface is a spectroscope.
Above-mentioned viewing hole internal wall image device, wherein, the corresponding face of this first reflecting surface adds one the 3rd reflecting surface, and this light source projects light beam reflexes to this first reflecting surface by the 3rd reflecting surface again to the 3rd reflecting surface.
A kind of viewing hole internal wall image method, it may further comprise the steps:
(a) prepare to have and be fixed intervals distance and one first reflecting surface and one second reflecting surface of folded light beam mutually mutually;
(b) this second reflecting surface is moved in people one hole to be inspected;
(c) with light source projects to this first reflecting surface;
(d) with this first reflecting surface with beam reflection to this second reflecting surface;
(e) with this second reflecting surface with beam reflection to this hole inwall;
(f) receive the image that this hole inwall reflects with this second reflecting surface;
(g) by this second reflecting surface this image reflection is crossed this first reflecting surface and the image sensor that arrives again, and receive by this image sensor; And
(h) by this image sensor image signal is sent out for utilization.
Above-mentioned viewing hole internal wall image method, wherein, this image sensor is that this image signal is sent to a display device that includes a display, and by this make displays instant playback.14, viewing hole internal wall image method according to claim 12, wherein, this first reflecting surface and this second reflecting surface are and relatively are arranged on the body, this body has first end and second end, and extending the center longitudinal axis that connects this first end and this second end, this first reflecting surface and this second reflecting surface have angle with this center longitudinal axis respectively.
Above-mentioned viewing hole internal wall image method, wherein, this body in a tubular form, in this second end of this body, enclose and put a transparent stator, projection is positioned at outside this second end of this body via this stator to make this second reflecting surface, reflecting from the mode that the light beam of this first reflecting surface is done turnover and expose to this hole inwall.
Above-mentioned viewing hole internal wall image method, wherein, the angle of wide of this stator and this center longitudinal axis is between 0～70 degree, to eliminate ghost.
Above-mentioned viewing hole internal wall image method, wherein, be to make the image that reflexes to this image sensor by this second reflecting surface in step (g), middle do not pass through passing through the zone and arrive at this image sensor of being provided on this first reflecting surface again through any reflection, and pass through between zone and this image sensor at this wide-angle lens is provided, penetrate this for this image and pass through zone and this wide-angle lens and arrive at this image sensor.
Characteristics of the present invention and benefit:
Stating under light path of the present invention and the element design, can conclude the present invention and have following several important characteristic.
1, light path of the present invention and element are quite simplified.
2, light path of the present invention is difficult for being interfered, and can promote to inspect effect.
3, designs simplification of the present invention, light path are directly received by sensor and transmission, and can be by the display device instant playback, and be easy to use, immediately monitoring.
4, element of the present invention is simplified, and the cost of material is low, assembles the saving of labor, saves time, and can reduce cost.
Description of drawings
Fig. 1 is a primary element synoptic diagram of the present invention;
Fig. 2 is the concrete enforcement synoptic diagram of apparatus of the present invention;
Fig. 3 specifically implements and shows the synoptic diagram of original light path for apparatus of the present invention;
Fig. 4 is the another kind of embodiment synoptic diagram of reflecting surface of the present invention;
Fig. 5 is the another kind of embodiment synoptic diagram in light source of the present invention source;
Fig. 6 inspects the synoptic diagram of hole inwall one place's flaw for apparatus of the present invention;
Fig. 7 inspects the synoptic diagram of another place's flaw of hole inwall for apparatus of the present invention;
Fig. 8 gos deep into inspecting in the hole synoptic diagram of the flaw of hole inwall for the present invention second reflection conical surface.
Embodiment
One, technological concept of the present invention
Viewing hole internal wall image device and method in the technology of the present invention feature, the major technology notion, be that apparatus structure and element are done special design, make and inspect light path and element designs simplification, not only can reduce the element material cost, and be easy to the assembling manufacturing and safeguard, and can improve the convenience of inspecting.
For the ease of the auditor and have the knack of the present technique field and tool know usually the knowledgeable can understand technical characterictic of the present invention, effect really and meet the goal of the invention desiring to reach, or can specifically implement according to instructions of the present invention, with design concept of the present invention, concrete method and the device of implementing and be aided with graphic, be described in further detail as after.
Two, ultimate principle of the present invention
As shown in Figure 1, principle of the present invention, be to utilize one first reflecting surface 13 and one second reflecting surface 14 that is positioned at same center longitudinal axis, and this first reflecting surface 13 and second reflecting surface 14 have angle (most preferred embodiment is for having 45 degree angles) with this center longitudinal axis 11 respectively, the light path that allows the light beam of light source 12 advance, can be via this first reflecting surface 13 and second reflecting surface 14 and be projected to a hole inwall 30, and when hole inwall 30 has flaw and makes BEAM SQUINT, folded light beam from flaw just can be done reflection by its second reflecting surface 14 again, and pass through the zone passed through 130 that first reflecting surface, 13 central authorities are provided, and directly be projected to image sensor 20, receive and produce image signal by this image sensor 20, and image signal is sent out for utilization.By above-mentioned ultimate principle, again second reflecting surface 14 of the present invention is designed to the circular conical surface, light source from first reflecting surface 13, its light beam just can be done the scattering of 360 deg and the whole hole of ring inwall 30 can be reached the present invention and do the purpose that 360 deg hole inwall is inspected to second reflecting surface 14.
Above-mentioned design can make element and light path quite succinct, and the light beam that reflects of flaw, through 14 primary events of second reflecting surface, i.e. no longer reflection and directly arrive at image sensor 20, its flaw video picture is difficult for being interfered, and can enhance and inspect effect and correctness and convenience.And, with regard to structure, only this first reflecting surface 13 and second reflecting surface 14 to be done simple positioning design, can constitute the device of a good peep pole inwall, designs simplification is easy to assembly manufacturing and maintenance.
Three, method of the present invention
Shown in Fig. 2,3, according to above-mentioned principle, can further conclude method of the present invention, be to include following concrete step:
(a) prepare to have and be fixed intervals distance and one first reflecting surface 13 and one second reflecting surface 14 of folded light beam mutually mutually;
(b) this second reflecting surface 14 is moved in the hole to be inspected;
(c) light source 12 is projected to this first reflecting surface 13;
(d) with this first reflecting surface 13 with beam reflection to this second reflecting surface 14;
(e) with this second reflecting surface 14 with beam reflection to this hole inwall 30;
(f) receive the image that this hole inwall 30 reflects with this second reflecting surface 14;
(g) by this second reflecting surface 14 this image reflection is passed through this first reflecting surface 13 and the image sensor 20 that arrives again, and receive by this image sensor 20; And
(h) by this image sensor 20 image signal is sent out for utilization.
As shown in Figure 3, the present invention can reach first kind of concrete enforcement of above-mentioned light path, be that this first reflecting surface is made as the one first reflection conical surface 132, and this second reflecting surface is made as the one second reflection conical surface 140, and this first reflection conical surface 132 and this second reflection conical surface 140 be relatively arrange and be fixed on the body 10, this body 10 has first end and second end, and extension connects the center longitudinal axis 11 of this first end and this second end, this first reflection conical surface 132 is 45 degree angles with this second reflection conical surface 140 and this center longitudinal axis 11, and this first reflection conical surface 132 is symmetrical in a plane 110 vertical with this center longitudinal axis with this second reflection conical surface 140, it is parallel with this center longitudinal axis so just can making the light beam that reflexes to this second reflection conical surface 140 by this first reflection conical surface 132, and can by the second reflection conical surface 140 scatter out in the mode of the vertical centre longitudinal axis 11 and vertical irradiation to hole inwall 30.Moreover, in the above-mentioned specific embodiment of the present invention, be to make the image that reflexes to this image sensor 20 by this second reflection conical surface 140 in step (g), this image sensor 20 is not arrived at through any reflection again in the centre, and reach the mode of this effect, then be to provide one can pass through zone 130,, just the image that reflects can be collected to image sensor 20 by the beam functions of taking in of wide-angle lens at first middle section that reflects the conical surface 132.
As shown in Figure 4, the present invention reaches second kind of specific embodiment of above-mentioned light path, be that this source reflection face is made as planar spectroscope 131, and this spectroscope 131 and this second reflection conical surface 140 be relatively arrange and be fixed on the body 10, this body 10 has first end and second end, and extension connects the center longitudinal axis 11 of this first end and this second end, this spectroscope 131 is 45 degree angles with this second reflection conical surface 140 and this center longitudinal axis 11, and the area that this spectroscope 131 is projected on the plane vertical with this center longitudinal axis 11 is projected in area on this plane more than or equal to this second reflection conical surface 140, it is parallel with this center longitudinal axis 11 so just can making the light beam that reflexes to this second reflection conical surface 140 by this spectroscope 131, and can by the second reflection conical surface 140 scatter out in the mode of the vertical centre longitudinal axis 11 and vertical irradiation to hole inwall 30.Because spectroscope 131 also has the characteristic that can be penetrated by light, itself just provides and can pass through zone 130, thereby, in step (g), also can reach the image that reflexes to this image sensor 20 by this second reflection conical surface 140, the middle effect that does not arrive at this image sensor 20 again through any reflection.
As shown in Figure 3, the present invention is subjected to external interference for fear of detecting light beam, and a kind of better embodiment is that design makes body 10 in a tubular form.As for reaching the embodiment that the flaw folded light beam can directly arrive at sensor 20, then be in second end of body 10, to enclose to put a transparent stator 15, and on stator 15, establish a positioning rod 16 and establish the second reflection conical surface 140 to connect, projection is positioned at outside this second end of this body 10 via stator 15 to make the second reflection conical surface 140, reflects and this hole inwall 30 of vertical irradiation doing 90 modes of spending turnover from the light beam of this first reflection conical surface 132.In the above embodiments, its stator 15 is the high transparent material of penetrance, in order not allow stator 15 that beam reflection is caused ghost to sensor 20, a kind of preferred embodiment of the present invention, the angle that is wide 150 of this stator 15 and this center longitudinal axis 11 is between 0～70 degree, wherein, illustrated embodiments is 45 degree.
As shown in Figure 3, in order to do instant the inspecting and monitoring of hole inwall for the operator, a kind of preferred embodiment of the present invention is can design to make this image sensor 20 that this image signal is sent to a display device 24 that includes a display 23, and does instant playback by this display 23.
Four, device of the present invention
As shown in Figure 3, device of the present invention specifically includes:
The body 10 of a longitudinal extension, it has first end, second end, and extends the center longitudinal axis 11 that connects this first end and this second end;
At least one light source 12;
Be positioned on this body 10 and separately and mutually towards and one first reflecting surface and one second reflecting surface (this illustrated example of folded light beam mutually, this first reflecting surface is the first reflection conical surface 132, and second reflecting surface is the second reflection conical surface 140), this first reflection conical surface 132 closes on this first end of this body 10, and in order to the incipient beam of light of reflection from this light source 12, this second reflection conical surface 140 closes on this second end of this body 10, reflex to hole inwall 30 to be inspected in order to reflecting the incipient beam of light of coming, and the detection image that hole inwall 30 is reflected is towards this first end reflection of this body 10 from this reflecting surface 13;
One is positioned at the zone passed through 130 of these first reflection conical surface, 132 central parts; And
One light beam sensing device 20, be one in order to receive the sensor 20 of the detection image that this second reflection conical surface 140 will reflect from hole inwall 30.
As shown in Figure 3, the present invention reaches a kind of specific embodiment of the device of above-mentioned light path, be that this reflecting surface is made as the first reflection conical surface 132, and by this light source 12 provide around this first the reflection conical surface 132 light beam, and this first reflection conical surface 132 and this second reflection conical surface 140 be relatively arrange and be fixed on the body 10, this body 10 has first end and second end, and extension connects the center longitudinal axis 11 of this first end and this second end, this first reflection conical surface 132 is 45 degree angles with this second reflection conical surface 140 and this center longitudinal axis 11, and this first reflection conical surface 132 second reflects conical surface 140 and is symmetrical in a plane 110 vertical with this center longitudinal axis 11 with this, so just, can make by this first reflection conical surface 132, the light beam that reflexes to this second reflection conical surface 140 is parallel with this center longitudinal axis 11, and can by the second reflection conical surface 140 scatter out in the mode of the vertical centre longitudinal axis 11 and vertical irradiation to hole inwall 30, and the image of metapore inwall 30 passes through regional 130 and this image sensor 20 that arrives by these second reflection conical surface, 140 reflections through the first reflection conical surface 132 again.
Moreover, as shown in Figure 5, the another kind of design in light source of the present invention source, can add second a parallel with it reflecting surface 133 at the corresponding face of reflecting surface 13, when light source projects to the second reflecting surface 133, just can reflex to reflecting surface 13, can advance according to the aforesaid way achievement that continues.
As shown in Figure 3, the present invention avoids the interference of extraneous light, then is that body 10 is designed to tubulose.The mode of the first reflection conical surface 132 and the second reflection conical surface, 140 fixed intervals, it then is first end that the first reflection conical surface 132 directly is fixed on body 10, then be installed with a transparent stator 15 in second end of body 10, this stator 15 is provided with a fixed bar 16 that extends along this center longitudinal axis of this body 10, these fixed bar 16 ends reflect the conical surface 140 for being provided with second again, and make outside this second end of these second reflection conical surface, 140 outstanding these bodies 10.Setting by stator 15 has made the second reflection conical surface 140 can be with the light beam usable reflection to hole inwall 30, but light beam is produced interference for fear of causing, then be to design when making stator 15 be arranged on the body 10, the angle of its wide 150 and this center longitudinal axis 11 is used the elimination ghost between 0～70 degree.
As shown in Figure 3, for the ease of adjusting peep pole inwall diverse location, the present invention more can design and include a support body 17, be provided with a guide rail 18 in this support body 17, this guide rail 18 is provided with slide block 19, and this slide block 19 is provided with stationary installation 190, fixes this body 10 with this stationary installation 190, make this body 10 can be adjusted and move, so just can adjust peep pole inwall diverse location up and down along this guide rail 18.
Five, use operation of the present invention
As shown in Figure 3, the sensor 20 that the present invention is used, it is the image sensor of video camera 21, again this video camera 21 being done signal with a display device 24 that includes a display 23 is communicated with, wherein, this video camera 21 can include an optics wide-angle lens 22, and this camera lens 22 can be for adjusting image is focused on this image sensor 20.Show among this figure that light source 12 is the breakdown state, it is indefectible because of hole inwall 30, thereby shows to be the simple annular ring of light 40 on display 23 screens.The operator can move up and down along guide rail 18 by adjusting slide block 19, the second reflection conical surface 140 is moved up and down, with the situation of diverse location in the peep pole in the hole.
As shown in Figure 6, light source 12 is the breakdown state, and it has a flaw 31 near the second reflection conical surface, 140 upper limb places because of hole inwall 30 left sides, thereby there is a flaw image 41 in the shown annular ring of light 40 left sides near circle centre position on display 23.
As shown in Figure 7, light source is the breakdown state, and it has a flaw 31 near the second reflection conical surface, 140 upper limb places because of hole inwall 30 the right, thereby there is a flaw image 41 on the shown annular ring of light 40 right sides near circle centre position on display 23.
As shown in Figure 8, light source is the breakdown state, its second reflection conical surface 140 is the hand-hole bottom slightly, make hole inwall 30 left sides with respect to Fig. 5 away from a flaw 31 at the second reflection conical surface, 140 upper limb places, the annular ring of light 40 left sides shown on display 23 show a flaw image 41 away from circle centre position.
The above, only be one of the present invention possible embodiments, be not in order to limiting claim of the present invention, all acts according to the described content of following claim, feature with and spirit and for it the equivalence of other variations implement, all should be contained in the present invention's the claim.
Claims (17)
1. viewing hole internal wall image device, it comprises:
A vertical body of stretching has first end, second end, and extends the center longitudinal axis that connects this first end and this second end;
At least one light source;
The compartment of terrain be positioned on this body and mutually towards and one first reflecting surface and one second reflecting surface of folded light beam mutually, this first reflecting surface closes on this first end of this body, and in order to the incipient beam of light of reflection from this light source, this second reflecting surface closes on this second end of this body, reflex to hole inwall to be inspected in order to reflecting the incipient beam of light of coming, and the detection image that the hole inwall is reflected is towards this first end reflection of this body from this first reflecting surface; And
One light beam sensing device, second reflecting surface receive the image that this hole inwall reflects and are received by second reflecting surface, by this second reflecting surface this image reflection are passed this first reflecting surface and the described light beam sensing device that arrives again;
Described first reflecting surface and second reflecting surface have angle with this center longitudinal axis respectively, and described angle is 45 degree.
2. viewing hole internal wall image device, it comprises:
A vertical body of stretching has first end, second end, and extends the center longitudinal axis that connects this first end and this second end;
At least one light source;
The compartment of terrain be positioned on this body and mutually towards and one first reflecting surface and one second reflecting surface of folded light beam mutually, this first reflecting surface is the one first reflection conical surface and this first end that closes on this body, and in order to the incipient beam of light of reflection from this light source, this second reflecting surface closes on this second end of this body, reflex to hole inwall to be inspected in order to reflecting the incipient beam of light of coming, and the detection image that the hole inwall is reflected reflects towards this first end of this body from this first reflection conical surface;
One is positioned at the zone of passing through of this first reflection conical surface central part; And
One light beam sensing device, second reflecting surface receive the image that this hole inwall reflects and are received by second reflecting surface, by this second reflecting surface this image reflection are passed this first reflecting surface and the described light beam sensing device that arrives again;
Described first reflecting surface and second reflecting surface have angle with this center longitudinal axis respectively, and described angle is 45 degree.
3. viewing hole internal wall image device according to claim 1 and 2, wherein, this body in a tubular form, be installed with a transparent stator in this of this body second end, plant a fixed bar that extends along this center longitudinal axis of this body on this stator, this fixed bar end is provided with this second reflecting surface, and makes outside this second end of outstanding this body of this second reflecting surface.
4. viewing hole internal wall image device according to claim 3, wherein, the angle of wide of this stator and this center longitudinal axis is between 0～70 degree, to eliminate ghost.
5. viewing hole internal wall image device according to claim 1 and 2, wherein, this light beam sensing device is the image sensor of a video camera.
6. viewing hole internal wall image device according to claim 5, wherein, the display device that this video camera and includes a display is done signal and is communicated with, and the image signal that this image sensor is sensed can be sent to this display device; And by this make displays instant playback of this display device.
7. viewing hole internal wall image device according to claim 1 and 2, wherein, this sensor includes an optics wide-angle lens, and this camera lens can be for adjusting image is focused on this sensor.
8. viewing hole internal wall image device according to claim 1 and 2, wherein, this first reflecting surface and this second reflecting surface are circular conical surface.
9. viewing hole internal wall image device according to claim 1 and 2, it more includes a support body, and this support body is provided with a guide rail, this guide rail is provided with slide block, this slide block is provided with stationary installation, fixes this body with this stationary installation, this body can be adjusted and move along this guide rail.
10. viewing hole internal wall image device according to claim 1, wherein, this first reflecting surface is a spectroscope.
11. viewing hole internal wall image device according to claim 1 and 2, wherein, the corresponding face of this first reflecting surface adds one the 3rd reflecting surface, and this light source projects light beam reflexes to this first reflecting surface by the 3rd reflecting surface again to the 3rd reflecting surface.
12. a viewing hole internal wall image method, it may further comprise the steps:
(a) prepare to have and be fixed intervals distance and one first reflecting surface and one second reflecting surface of folded light beam mutually mutually;
(b) this second reflecting surface is moved in the hole to be inspected;
(c) with light source projects to this first reflecting surface;
(d) with this first reflecting surface with beam reflection to this second reflecting surface;
(e) with this second reflecting surface with beam reflection to this hole inwall;
(f) receive the image that this hole inwall reflects with this second reflecting surface;
(g) by this second reflecting surface this image reflection is passed this first reflecting surface and the image sensor that arrives again, and receive by this image sensor; And
(h) by this image sensor image signal is sent out for utilization.
13. viewing hole internal wall image method according to claim 12, wherein, this image sensor is that this image signal is sent to a display device that includes a display, and by this make displays instant playback.
14. viewing hole internal wall image method according to claim 12, wherein, this first reflecting surface and this second reflecting surface are and relatively are arranged on the body, this body has first end and second end, and extending the center longitudinal axis that connects this first end and this second end, this first reflecting surface and this second reflecting surface have angle with this center longitudinal axis respectively.
15. viewing hole internal wall image method according to claim 12, wherein, this body in a tubular form, in this second end of this body, enclose and put a transparent stator, projection is positioned at outside this second end of this body via this stator to make this second reflecting surface, reflecting from the mode that the light beam of this first reflecting surface is done turnover and expose to this hole inwall.
16. viewing hole internal wall image method according to claim 15, wherein, the angle of wide of this stator and this center longitudinal axis is between 0～70 degree, to eliminate ghost.
17. viewing hole internal wall image method according to claim 12, wherein, be to make the image that reflexes to this image sensor by this second reflecting surface in step (g), middle do not pass through passing through the zone and arrive at this image sensor of being provided on this first reflecting surface again through any reflection, and pass through between zone and this image sensor at this wide-angle lens is provided, penetrate this for this image and pass through zone and this wide-angle lens and arrive at this image sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610167701XA CN101206183B (en) | 2006-12-19 | 2006-12-19 | Method and apparatus for viewing hole internal wall image |
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| CN200610167701XA CN101206183B (en) | 2006-12-19 | 2006-12-19 | Method and apparatus for viewing hole internal wall image |
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| CN101206183B true CN101206183B (en) | 2011-09-14 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2545361A1 (en) * | 2010-03-09 | 2013-01-16 | Federal-Mogul Corporation | Bore inspection system and method of inspection therewith |
| CN103673880A (en) * | 2013-12-06 | 2014-03-26 | 上海新跃仪表厂 | Micro-hole inner wall vision inspection system based on composite reflector and inspection method of system |
| CN104181171A (en) * | 2014-08-08 | 2014-12-03 | 明泰信科精密仪器科技（苏州）有限公司 | Method and device for shooting images of inner and outer walls of circular-hole workpiece |
| DE102015209455A1 (en) | 2015-05-22 | 2016-11-24 | Sac Sirius Advanced Cybernetics Gmbh | Apparatus and method for the optical detection of inner walls |
| WO2017175099A1 (en) | 2016-04-05 | 2017-10-12 | Pirelli Tyre S.P.A. | Apparatus and method for checking tyres |
| CN107755108B (en) * | 2017-11-14 | 2020-03-17 | 山东耀华特耐科技有限公司 | Inner wall flaw detection system of cyclone separator |
| CN107676776B (en) * | 2017-11-14 | 2019-11-19 | 山东耀华特耐科技有限公司 | A kind of high temperature resistant fault detection system of boiler hearth of circulating fluidized bed |
| CN110793968A (en) * | 2018-08-02 | 2020-02-14 | 由田新技股份有限公司 | Detection equipment for identifying pore wall defects |
| CN109444144A (en) * | 2018-08-31 | 2019-03-08 | 苏州巨能图像检测技术有限公司 | Cylinder holes hole wall defects detection detection method |
| JP6996699B2 (en) * | 2020-01-14 | 2022-01-17 | トヨタ自動車株式会社 | Valve contact surface inspection method and inspection equipment |
| KR20230146576A (en) | 2021-03-24 | 2023-10-19 | 난징 탈리앙 테크놀로지 코퍼레이션 리미티드 | Printed circuit board inner layer depth measurement optical system |
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| WO2003012378A1 (en) * | 2001-07-30 | 2003-02-13 | Johnson Matthey Plc | Level and density measurement using gamma radiation |
| CN1603747A (en) * | 2004-11-08 | 2005-04-06 | 金世龙 | Laser gyro light path and path length control mirror |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003012378A1 (en) * | 2001-07-30 | 2003-02-13 | Johnson Matthey Plc | Level and density measurement using gamma radiation |
| CN1603747A (en) * | 2004-11-08 | 2005-04-06 | 金世龙 | Laser gyro light path and path length control mirror |
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