CN217007851U - Light source device for industrial endoscope - Google Patents
Light source device for industrial endoscope Download PDFInfo
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- CN217007851U CN217007851U CN202220838068.7U CN202220838068U CN217007851U CN 217007851 U CN217007851 U CN 217007851U CN 202220838068 U CN202220838068 U CN 202220838068U CN 217007851 U CN217007851 U CN 217007851U
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- light source
- light shield
- ultraviolet
- source device
- bracket
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- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
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- 230000000694 effects Effects 0.000 abstract description 6
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- 230000007704 transition Effects 0.000 abstract description 3
- 230000001502 supplementing effect Effects 0.000 abstract description 2
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- 238000001514 detection method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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- 230000001795 light effect Effects 0.000 description 1
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- 238000009659 non-destructive testing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a light source device for an industrial endoscope, which comprises a bracket and a light shield; the bracket is cylindrical, a fixing device is arranged in the lower end of the bracket, and the inner part of the upper end of the bracket is connected with the lower end of the lens hood; the lens hood is arranged in a diameter-variable cylinder, the diameter of the upper part of the lens hood is larger than that of the lower part of the lens hood, and the connecting cylinder walls of the upper part and the lower part of the lens hood extend and transition in an arc shape; the outer side of the upper end of the light shield is uniformly provided with a plurality of ultraviolet lamps, the ultraviolet lamps are arranged slightly lower than the upper end of the light shield, and a 385nm ultraviolet light source is adopted. The 385nm ultraviolet light source is used for light supplementing illumination, metal reflection can be effectively reduced, the ultraviolet light source and the visual field of the endoscope are separated while the ultraviolet lamp is positioned and fixed by the light shield, so that pictures collected by the endoscope are clearer under the condition of sufficient illumination and no reflection, and the reducing of the light shield is enlarged, so that the content details can be displayed as much as possible; and better data support and recognition effect are provided for the image recognition work.
Description
Technical Field
The utility model relates to industrial endoscope detection, in particular to a light source device for an industrial endoscope.
Background
Industrial endoscopes are mainly used for automobiles, aircraft engines, pipelines, mechanical parts, etc., and can realize nondestructive testing without disassembling or destroying assembly and stopping operation of equipment, so that the industrial endoscopes are widely applied to various departments of core technologies in the thermoelectric industry. The industrial endoscope technology has the unique advantages that the visual range of people can be prolonged, the visual line direction can be changed at will, and the real condition of the inner surface of an object can be accurately observed, which cannot be replaced by other detection instruments.
Among the prior art, industrial endoscope mainly is optic fibre mirror or electron mirror, what adopt more is white light source light filling, when carrying out the light filling, also caused the reflection of light of certain degree, especially when examining smooth surface of spare part, the reflection of light is still comparatively obvious, consequently further carry out the light filling through coaxial white light source, reduce the reflection of light problem, although can avoid the reflection of light effect in the dead ahead of endoscope, still exist the influence of the world during in-service use, the effect remains further to be improved, can't satisfy actual demand.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a light source device for an industrial endoscope, which has the advantages of small and exquisite structure, reasonable design, uniform illumination, avoidance of light reflection and capability of providing good illumination conditions and a good visual field range.
The utility model is realized by the following technical scheme:
a light source device for an industrial endoscope comprises a bracket and a light shield; the bracket is cylindrical, a fixing device is arranged in the lower end of the bracket, and the inner part of the upper end of the bracket is connected with the lower end of the lens hood; the lens hood is arranged in a diameter-variable cylinder, the diameter of the upper part of the lens hood is larger than that of the lower part of the lens hood, and the connecting cylinder walls of the upper part and the lower part of the lens hood extend and transition in an arc shape; the outer side of the upper end of the light shield is uniformly provided with a plurality of ultraviolet lamps, the ultraviolet lamps are arranged slightly lower than the upper end of the light shield, and a 385nm ultraviolet light source is adopted.
Optionally, the ultraviolet lamp further comprises a lampshade in a half-bowl shape, the inner wall of the lampshade is provided with a smooth aluminum film, and a 385nm ultraviolet light source is arranged in the lampshade.
Optionally, the ultraviolet lamps on the outer side of the upper end of the light shield are arranged in an annular equidistant manner.
Optionally, the lower end of the light shield is screwed and fixed on the upper end of the support.
Optionally, the upper end of the bracket extends outwards to form a flared opening, the diameter of the flared opening is larger than the arrangement diameter of the outer side of the ultraviolet lamp, a connecting portion of the flared opening and the upper end of the bracket is matched with the arc-shaped portion of the light shield, and the upper end of the flared opening is slightly higher than the upper end of the light shield.
Optionally, the fixing device includes arc-shaped clamping arms symmetrically arranged, and screws threaded through the bracket; the connecting end of the screw is connected with the arc-shaped clamping arm in an idle running mode.
Optionally, a rubber pad is arranged on the inner side of the arc-shaped clamping arm.
Optionally, an endoscope snap ring is arranged on the inner side of the upper end of the support.
Optionally, the ultraviolet lamp further comprises a PWM module, and an output end of the PWM module is connected to a control end of the ultraviolet lamp.
Compared with the prior art, the utility model has the following beneficial technical effects:
the 385nm ultraviolet light source is used for light supplementing illumination, metal reflection can be effectively reduced, the ultraviolet light source and the visual field of the endoscope are separated while the ultraviolet light source is positioned and fixed by the light shield, so that under the condition of sufficient illumination and no reflection, pictures acquired by the endoscope are clearer, the diameter of the light shield is reduced, the arrangement is expanded, and the content details can be displayed as much as possible; thereby providing better data support and better recognition effect for the work of image recognition; the device is compact and small, can be fixedly connected through the fixing device, and is convenient to disassemble.
Further, through the setting of flaring, the wholeness of device can be realized on the one hand, can be to the protection of ultraviolet lamp, and on the other hand utilizes and the anastomotic coupling part of lens hood arc transition, provides reliable and stable connection location portion for the lens hood, and convenient to use fixes a position the accuracy and has guaranteed according to effect and measurement of efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the light source device according to the embodiment of the present invention.
Fig. 2 is a schematic structural diagram of the light shield according to the embodiment of the present invention.
Fig. 3 is a top view of the light shield in an example of the utility model.
In the figure: the endoscope comprises a support 1, a flaring 11, an endoscope clamping ring 12, a light shield 2, an ultraviolet lamp 21, an arc-shaped clamping arm 3 and a screw 31.
Detailed Description
The present invention will now be described in further detail with reference to the attached drawings, which are illustrative, but not limiting, of the present invention.
The utility model relates to a light source device for an industrial endoscope, which comprises a bracket 1 and a light shield 2 as shown in figure 1;
the bracket 1 is cylindrical, a fixing device is arranged in the lower end of the bracket, and the upper end of the bracket is connected with the lower end of the light shield 2; the light shield 2 is arranged in a diameter-variable cylinder, the diameter of the upper part is larger than that of the lower part, and the connecting cylinder walls of the upper part and the lower part extend in an arc shape; a plurality of ultraviolet lamps 21 are uniformly arranged on the outer side of the upper end of the light shield 2, the ultraviolet lamps 21 are arranged slightly lower than the upper end of the light shield 2, and a 385nm ultraviolet light source is adopted. Therefore, the light shield 2 and the ultraviolet lamp 21 are connected into a whole through the bracket 1 and fixed at the lens of the endoscope through the fixing device.
As shown in fig. 2, the light shield 2 is a plastic light-tight device with a large outer end and a small inner end, and is connected with the arc-shaped cylinder wall, so that the light shield 2 protects the endoscope head and reduces the influence of the ultraviolet lamp 21 on the image acquisition of the endoscope head.
The ultraviolet lamp 21 is attached to the outer shell of the light shield 2, the ultraviolet lamp 21 is semicircular and comprises a lampshade which is in a half-bowl shape, the inner wall of the lampshade is provided with a smooth aluminum film, the aluminum film has a good reflection effect on ultraviolet light, and the semicircular shape ensures that the light source is uniformly irradiated.
The inside of the ultraviolet lamps 21 is a 385nm ultraviolet lamp source, the ultraviolet lamps 21 are annularly and equidistantly arranged on the outer shell of the light shield 2, as shown in fig. 3, in the preferred embodiment, 14 ultraviolet lamps 21 are densely arranged in sequence and connected with the support 1 integrally, and the bottom of the support 1 is provided with a fixing device for fixing the support with the endoscope head. The 385nm ultraviolet lamp is adopted, the problem of metal reflection can be effectively reduced, and the collected picture is more valuable.
As shown in fig. 1, the upper end of the bracket 1 extends outwards to form a flared opening 11, the diameter of the flared opening 11 is larger than the diameter of the outer side of the ultraviolet lamp 21, the connecting portion between the flared opening 11 and the upper end of the bracket 1 is matched with the arc portion of the light shield 2, and the upper end of the flared opening 11 is slightly higher than the upper end of the light shield 2. The lower end of the light shield 2 is screwed and fixed on the upper end of the bracket 1.
The specific support 1 is made of metal, and can also adopt a short arc-shaped strip to connect the light shield and the fixing device. The fixing device adopts a fixing frame which is an outer end metal ring, the inner end of the fixing frame also adopts an arc-shaped clamping arm 3, and the arc-shaped clamping arm 3 is connected with the metal ring through a screw 31. The arc-shaped clamping arm 3 is made of outer metal and inner rubber. By adopting the arc-shaped frame and the built-in rubber layer, the whole device can be firmly fixed, and the damage to the endoscope is reduced. The winning fixing frame of the preferred embodiment is integrated with the cylindrical bracket, and only the arc-shaped clamping arms 3 which are symmetrically arranged and the screws 31 which penetrate through the bracket 1 for threaded connection are needed; the connecting end of the screw 31 is connected with the arc-shaped clamping arm 3 in an idle mode, and then the endoscope head can be fixed.
The screw head of a screw 31 is connected with an arc-shaped clamping arm 3, the screw head is oblate and is embedded in the outer layer metal of the arc-shaped clamping arm 3 and can idle, the other end is a screwed end, and the number of the arc-shaped clamping arms 3 is two; when the device is screwed, the arc-shaped clamping arm 3 is pushed to be tightened, and when the screw is rotated, the arc-shaped clamping arm 3 cannot rotate, so that the device can be fixed on an endoscope and is convenient to disassemble.
As shown in fig. 1, an endoscope retaining ring 12 is provided inside the upper end of the stand 1 for positioning the upper end of the endoscope at the time of installation.
The utility model also comprises a PWM module, and the output end of the PWM module is connected with the control end of the ultraviolet lamp 21. The PWM module is a device for controlling the brightness of the ultraviolet lamp 21. The uv lamp 21 is connected to the PWM module by electrical wiring. The PWM module can directly control the brightness of the ultraviolet lamp 21, so that the device can be used in different occasions.
When the light source device for the industrial endoscope is used, the ultraviolet light source is adopted, the inner wall of the lamp is made of the aluminum film, the ultraviolet light source is uniformly reflected, the lamp sources are annularly and equidistantly arranged around the light shield, the light shield adopts the outer big circle and the inner small circle, and the cylinder wall of the light shield extends in an arc shape, so that the shooting influence of the lamp sources on the endoscope can be effectively reduced. The arc-shaped clamping arm 3 is fixed through a screw 31 connected in an idle rotation mode, the inner layer of the arc-shaped clamping arm 3 is a rubber layer, the endoscope is protected from being damaged while the arc-shaped clamping arm is stably fixed, and the screw 31 is fixed and convenient to detach. The ultraviolet lamp 21 is connected with the PWM control module through an electric wire, and the bias of the base electrode of the transistor or the grid electrode of the MOS tube is modulated according to the corresponding load change, so that the on-time of the transistor or the MOS tube is changed. Therefore, the change of the stable voltage output of the switch is realized, and the illumination intensity can be changed according to the change of the environment. The device can be applied to industrial endoscopes, and solves some light reflection problems of white light collection pictures, such as metal object picture collection and glass picture collection.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A light source device for an industrial endoscope is characterized by comprising a bracket (1) and a light shield (2);
the support (1) is cylindrical, a fixing device is arranged in the lower end of the support, and the upper end of the support is connected with the lower end of the light shield (2);
the light shield (2) is arranged in a diameter-variable cylinder, the diameter of the upper part is larger than that of the lower part, and the connecting cylinder walls of the upper part and the lower part extend in an arc shape; the outer side of the upper end of the light shield (2) is uniformly provided with a plurality of ultraviolet lamps (21), the ultraviolet lamps (21) are arranged slightly lower than the upper end of the light shield (2), and a 385nm ultraviolet light source is adopted.
2. The light source device for the industrial endoscope, according to the claim 1, characterized in that the ultraviolet lamp (21) further comprises a lampshade in a half bowl shape, the inner wall of the lampshade is provided with a smooth aluminum film, and the lampshade is provided with a 385nm ultraviolet light source.
3. A light source device for an industrial endoscope, according to claim 1 or 2, characterized in that the ultraviolet lamps (21) outside the upper end of the light shield (2) are arranged in an annular equidistant arrangement.
4. A light source device for an industrial endoscope, according to claim 1, characterized in that the lower end of the light shield (2) is screwed and fixed on the upper end of the bracket (1).
5. A light source device for an industrial endoscope, according to claim 4, characterized in that the upper end of said support (1) is extended outwardly to form a flared opening (11), the diameter of said flared opening (11) is larger than the diameter of the ultraviolet lamp (21), the connecting portion of said flared opening (11) and the upper end of said support (1) is fitted with the arc portion of said light shield (2), and the upper end of said flared opening (11) is slightly higher than the upper end of said light shield (2).
6. A light source device for industrial endoscopes according to claim 1, characterized in that the fixing device comprises symmetrically arranged arc-shaped clamping arms (3), and screws (31) threaded through the bracket (1); the connecting end of the screw (31) is connected with the arc-shaped clamping arm (3) in an idle running way.
7. A light source device for an industrial endoscope, according to claim 6, characterized in that the inner side of said arc-shaped clamping arms (3) is provided with a rubber pad.
8. A light source device for an industrial endoscope, according to claim 1, characterized in that the inside of the upper end of the bracket (1) is provided with an endoscope retaining ring.
9. The light source device for industrial endoscope, according to claim 1, characterized by further comprising a PWM module, the output end of which is connected with the control end of the ultraviolet lamp (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220838068.7U CN217007851U (en) | 2022-04-12 | 2022-04-12 | Light source device for industrial endoscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220838068.7U CN217007851U (en) | 2022-04-12 | 2022-04-12 | Light source device for industrial endoscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217007851U true CN217007851U (en) | 2022-07-19 |
Family
ID=82377385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220838068.7U Expired - Fee Related CN217007851U (en) | 2022-04-12 | 2022-04-12 | Light source device for industrial endoscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217007851U (en) |
-
2022
- 2022-04-12 CN CN202220838068.7U patent/CN217007851U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220719 |