CN218956890U - Infrared nondestructive test objective auto-change over device - Google Patents
Infrared nondestructive test objective auto-change over device Download PDFInfo
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- CN218956890U CN218956890U CN202320042308.7U CN202320042308U CN218956890U CN 218956890 U CN218956890 U CN 218956890U CN 202320042308 U CN202320042308 U CN 202320042308U CN 218956890 U CN218956890 U CN 218956890U
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- 238000012360 testing method Methods 0.000 title claims description 4
- 238000009659 non-destructive testing Methods 0.000 claims abstract description 10
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 239000013307 optical fiber Substances 0.000 claims 1
- 230000001052 transient effect Effects 0.000 description 5
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- 238000006243 chemical reaction Methods 0.000 description 3
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- 239000011229 interlayer Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
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Abstract
The utility model discloses an infrared nondestructive testing objective lens switching device which comprises a first light through pipe and a second light through pipe, wherein a disc-shaped converter is arranged, a lens is sleeved on a first screw sleeve thread, a connecting pipe is communicated with the central axis, the outer side wall of the first light through pipe is rotatably and adjustably matched with the first light through pipe, the end part of the first light through pipe extends into the converter, a first reflecting mirror is arranged at the corresponding end part of the first light through pipe, and a second reflecting mirror is arranged at the communicating part of the first light through pipe and the second light through pipe. The lens is tubular structure, and light gets into the back focus, and the lower extreme lens that the converter corresponds is for using the lens, and other are reserve lens, according to the size and the demand of detected object, rotates the best lens of converter adjustment and is used for using, and it is convenient to adjust, when needs change the lens, does not need to dismantle the lens and changes, prevents hard thing or hand touch and leads to the fuzzy scheduling problem of lens.
Description
Technical Field
The utility model belongs to the technical field of phase-locked infrared nondestructive testing devices, and particularly relates to an infrared nondestructive testing objective switching device.
Background
The phase-locked infrared nondestructive detection technology adopts a power supply as an infrared heat wave excitation source, combines real-time transient phase-locked infrared analysis software, is innovatively applied to the fields of chips, electronics and semiconductors, and can detect the positions of leakage defects of the chips and electronic semiconductor products in a nondestructive transmission mode under extremely low power. The phase-locked infrared nondestructive testing technology comprises a set of testing system consisting of a high-frequency infrared thermal imager, a power supply, a graphic workstation, a workbench, a sample to be tested and real-time transient phase-locked analysis software. The infrared thermal imager and the power supply are connected with the graphic workstation through data lines, and the real-time transient phase-locked analysis software is used for carrying out program control on the infrared thermal imager and the power supply program; the method comprises the steps that a sample to be tested is placed on a workbench, the anode and the cathode of a program controlled digital source meter are connected to the sample to be tested, a power supply is controlled by real-time transient phase-locked analysis software, square wave signals are applied to the sample to be tested, the sample to be tested is excited by the square wave signals to generate synchronous hot spot changes, and the real-time transient phase-locked analysis software captures hot spots of the sample to be tested through an infrared thermal imager, so that hot spot analysis is realized.
Thermal infrared imagers based on long waves are portable and also have fixed mounting, but there is a common problem: the current thermal infrared imagers are all provided with a movement and a lens, and if the lens is to be replaced, the lens must be replaced manually. The manual lens switching causes that the lens and the movement are easy to be stained, the movement sensor and the lens are easy to be damaged, and the operation is complex. Many objective lens converters (for example, objective lens converters of metallographic microscopes) designed for visible light and short wave infrared are different in focal length, caliber and rear intercept of lenses in different wave bands, so that the universal converter cannot be realized, and the universal converter cannot be used for switching of long wave infrared lenses. Therefore, the utility model innovatively designs the electric objective lens conversion device special for the long-wave infrared, a plurality of infrared lenses can be simultaneously installed, and the simple lens switching can be realized, so that the lens switching is very convenient.
Disclosure of Invention
The utility model aims to provide phase-locked infrared nondestructive detection, designs an electric objective lens conversion device special for long-wave infrared, can be provided with a plurality of infrared lenses at the same time, can realize simple lens switching, and is quite convenient for lens switching.
In order to solve the technical problems, the utility model is realized by the following technical scheme:
the infrared nondestructive testing objective lens switching device comprises a first light through pipe which is transversely arranged, wherein one side of the first light through pipe is communicated with a second light through pipe which is vertically arranged, a disc-shaped converter is arranged on the other side of the first light through pipe, the interior of the converter is hollow, a plurality of through holes are formed in the circumferential side of the converter, a first screw sleeve is arranged at the position of each through hole, and a lens is sleeved on the screw thread of the first screw sleeve;
the corresponding central axis is communicated with a connecting pipe, and the connecting pipe is sleeved on the outer side of the first light through pipe and is rotatably and adjustably matched with the outer side wall of the first light through pipe;
the end part of the first light through pipe extends to the inside of the converter, a first reflecting mirror is arranged at the corresponding end part, and a second reflecting mirror is arranged at the communication part of the first light through pipe and the second light through pipe.
Further, the sleeve is sleeved outside the first light through pipe, the end part of the sleeve is fixed on the second light through pipe, and an interlayer for accommodating the connecting pipe is arranged between the first light through pipe and the sleeve.
Further, the side wall of the sleeve is provided with a perforation, a second screw sleeve is communicated with the position corresponding to the perforation, a screw rod is sleeved on the second screw sleeve, a ball sleeve is arranged at the end part of the screw rod, balls are arranged in the ball sleeve, the position, corresponding to each ball, of the connecting pipe is provided with an arc-shaped groove for clamping the balls, and the arc-shaped grooves correspond to the lenses one by one.
Further, the spring is directly installed at the end of the screw rod and the ball sleeve, and the screw rod and the ball sleeve are correspondingly provided with fixing parts sleeved with the spring.
Further, an annular limiting groove is formed in the end portion of the connecting pipe, a perforation is formed in the position, corresponding to the limiting groove, of the side wall of the pipe sleeve, a third screw sleeve is fixed to the perforated position, and limiting is conducted through a limiting screw.
The utility model has the following beneficial effects: the lens is tubular structure, and light gets into the back focus, and the lower extreme lens that the converter corresponds is for using the lens, and other are reserve lens, and the converter cup joints first light siphunculus through the connecting pipe to rotatable regulation for adjust most suitable lens to bottommost, according to the size and the demand of detected object, rotate the best lens of converter adjustment and be used for using, adjust conveniently, when needs change the lens, need not dismantle the lens and change, prevent hard thing or hand touch and lead to the fuzzy scheduling problem of lens.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings used for describing the embodiments will be briefly described below.
Fig. 1: the utility model is a schematic structural diagram.
Fig. 2: the utility model disassembles the structural schematic diagram.
Fig. 3: the utility model relates to a converter and a screw disassembly structure schematic diagram.
Fig. 4: the optical path structure of the utility model is schematically shown.
In the drawings, the list of components represented by the various numbers is as follows: the first light pipe 1, the second light pipe 2, the converter 3, the first screw sleeve 31, the lens 4, the connecting pipe 32, the first reflecting mirror 11, the second reflecting mirror 12, the sleeve 5, the second screw sleeve 51, the screw rod 6, the ball sleeve 61, the ball 62, the arc-shaped groove 33, the spring 63, the limit groove 34, the third screw sleeve 52 and the limit screw 53.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
As shown in fig. 1-4: the infrared nondestructive testing objective lens switching device comprises a first light through pipe 1 which is transversely arranged, wherein one side of the first light through pipe 1 is communicated with a second light through pipe 2 which is vertically arranged, a disc-shaped converter 3 is arranged on the other side of the first light through pipe, the interior of the converter 3 is hollow, a plurality of through holes are formed in the circumferential side of the converter 3, a first screw sleeve 31 is arranged at the position of each through hole, and a lens 4 is sleeved on the first screw sleeve 31 in a threaded manner; the first light through pipe and the second light through pipe are both used for light to pass through, wherein the tail end of the second light through pipe is provided with a light grid and an infrared detector, the infrared detector is provided with a photosensitive element and is further converted into an electric signal, and an infrared thermal image is displayed through a television screen or a detector through amplification processing, conversion or standard video signals. The second light through pipe body is arranged on a liftable mechanical arm, and the driving device drives the height adjustment of the whole equipment for focusing the lens corresponding to the objective lens.
The lens is used for the objective lens, the shape is tubular structure, the inside disposes convex lens, has the external screw thread with the link of first swivel nut for threaded connection first swivel nut, demountable installation, the circumference side of converter has the lateral wall, generally disposes six perforation, disposes six lenses of installation, and the magnification of lens is different. The device is used for observing objects with different distances and different sizes, and is also provided with a high-power lens for observing a circuit board, a chip and a tiny component.
The corresponding central axis of the converter 3 is communicated with a connecting pipe 32, and the connecting pipe 32 is sleeved on the outer side of the first light through pipe 1 and is rotatably and adjustably matched with the outer side wall of the first light through pipe 1;
the end part of the first light through pipe 1 extends into the converter 3, a first reflecting mirror 11 is arranged at the corresponding end part, and a second reflecting mirror 12 is arranged at the communication part of the first light through pipe 1 and the second light through pipe 2.
The lens is of a tubular structure, light enters the rear focusing mode, then turns into a horizontal route through the first reflector, then turns into vertical light through the second reflector, the first reflector and the second reflector are inclined at 45 degrees, the incident light received by the first reflector is at the lower side, so that the lens at the bottommost end corresponding to the converter is a used lens, and the other lenses are standby lenses.
The converter is sleeved with the first light through pipe through the connecting pipe and can be adjusted in a rotating mode, the most suitable lens is adjusted to the bottommost part, the optimal lens is adjusted to be used by the converter in a rotating mode according to the size and the requirement of a detected object, adjustment is convenient, the lens is not required to be detached to be replaced when the lens needs to be replaced, and the problems that hard objects or hands touch the lens to be fuzzy and the like are prevented.
As shown in fig. 2: the sleeve 5 is sleeved outside the first light through pipe 1, the end part of the sleeve 5 is fixed on the second light through pipe 2, and an interlayer for accommodating the connecting pipe 32 is arranged between the first light through pipe 1 and the sleeve 5. The device is used for stabilizing the installation of the connecting pipe and protecting the first light through pipe.
The side wall of the sleeve 5 is provided with a perforation, the position corresponding to the perforation is communicated with a second screw sleeve 51, the second screw sleeve 51 is sleeved with a screw rod 6, the end part of the screw rod 6 is provided with a ball sleeve 61, the ball sleeve 61 is provided with balls 62, the position of the connecting pipe 32 corresponding to the balls 62 is provided with arc grooves 33 for clamping the balls 62, and the arc grooves are in one-to-one correspondence with the lenses. The screw rod is the adjusting part, installs the connecting pipe earlier during the installation, and the position of connecting pipe arc wall corresponds with the screw rod, and the arc wall is the arc sphere groove for spacing ball, installs the screw rod again, and the ball of screw rod tip extends to the connecting pipe lateral wall along the second swivel nut, corresponds with the arc wall, and the arc wall is located connecting pipe circumference side, and screw rod and second swivel nut subassembly are two, are located the sleeve pipe upside. When the rotary converter is used for rotating, after the corresponding lens is aligned, the limiting is performed through the screw rod in order to prevent the lens from secondarily shifting in the detection process.
As shown in fig. 3: the spring 63 is directly attached to the end of the screw 6 and the ball bush 61, and a fixing portion for engaging the spring 63 is provided to correspond to the screw 6 and the ball bush 61. The spring is used for enabling the balls to elastically abut against the arc-shaped grooves, the screw rod does not need to be loosened when the converter is rotated, the spring can be compressed in the ball moving process, and the corresponding arc-shaped grooves rebound, so that the balls are clamped with the corresponding arc-shaped grooves.
An annular limiting groove 34 is formed in the end portion of the connecting pipe 32, a through hole is formed in the side wall of the pipe sleeve 5, corresponding to the limiting groove 34, a third threaded sleeve 52 is fixed to the through hole, and limiting is conducted through a limiting screw 53. The connecting pipe is used for stably installing the connecting pipe and preventing the connecting pipe from axial transverse movement.
The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model.
Claims (5)
1. An infrared nondestructive test objective switching device is characterized in that:
the novel optical fiber lens comprises a first optical tube (1) which is transversely arranged, one side of the first optical tube (1) is communicated with a second optical tube (2) which is vertically arranged, a disc-shaped converter (3) is arranged on the other side of the first optical tube, the interior of the converter (3) is hollow, a plurality of perforations are formed in the circumferential side of the converter (3), a first threaded sleeve (31) is arranged at the position of each perforation, and a lens (4) is sleeved on the first threaded sleeve (31) in a threaded manner;
the central axis corresponding to the converter (3) is communicated with a connecting pipe (32), and the connecting pipe (32) is sleeved on the outer side of the first light through pipe (1) and is in rotary adjustable fit with the outer side wall of the first light through pipe (1);
the end part of the first light through pipe (1) extends into the converter (3), a first reflecting mirror (11) is installed at the corresponding end part, and a second reflecting mirror (12) is arranged at the communication part of the first light through pipe (1) and the second light through pipe (2).
2. The infrared nondestructive testing objective switching device according to claim 1, wherein: the outside sleeve pipe (5) that has cup jointed of first light siphunculus (1), sleeve pipe (5) tip is fixed in second light siphunculus (2), has the intermediate layer that is used for holding connecting pipe (32) between first light siphunculus (1) and sleeve pipe (5).
3. The infrared nondestructive testing objective switching device according to claim 2, wherein: perforation has been seted up to sleeve pipe (5) lateral wall, and the position intercommunication that corresponds the perforation has second swivel nut (51), second swivel nut (51) has cup jointed screw rod (6), ball cover (61) are installed to screw rod (6) tip, install ball (62) in ball cover (61), arc wall (33) have been seted up in connecting pipe (32) position that corresponds ball (62) for block ball (62), arc wall and camera lens one-to-one.
4. An infrared nondestructive testing objective switching device according to claim 3, wherein: the spring (63) is directly arranged at the end part of the screw rod (6) and the ball sleeve (61), and a fixing part sleeved with the spring (63) is arranged on the screw rod (6) and the ball sleeve (61) correspondingly.
5. The infrared nondestructive testing objective switching device according to claim 2, wherein: annular limiting grooves (34) are formed in the end portions of the connecting pipes (32), through holes are formed in the side walls of the sleeves (5) corresponding to the limiting grooves (34), third threaded sleeves (52) are fixed in the through holes, and limiting is conducted through limiting screws (53).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320042308.7U CN218956890U (en) | 2023-01-08 | 2023-01-08 | Infrared nondestructive test objective auto-change over device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320042308.7U CN218956890U (en) | 2023-01-08 | 2023-01-08 | Infrared nondestructive test objective auto-change over device |
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| CN218956890U true CN218956890U (en) | 2023-05-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117491498A (en) * | 2024-01-03 | 2024-02-02 | 沈阳百思特金属检测有限公司 | Metal flaw detection device for quality inspection |
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2023
- 2023-01-08 CN CN202320042308.7U patent/CN218956890U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117491498A (en) * | 2024-01-03 | 2024-02-02 | 沈阳百思特金属检测有限公司 | Metal flaw detection device for quality inspection |
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