CN217279113U

CN217279113U - Flat industrial endoscope for slit detection

Info

Publication number: CN217279113U
Application number: CN202221088776.XU
Authority: CN
Inventors: 孙磊; 申兆红; 谢天宇; 陆鑫; 常宇辉
Original assignee: Nanjing Chunhui Science & Technology Industrial Co ltd
Current assignee: Nanjing Chunhui Science & Technology Industrial Co ltd
Priority date: 2022-05-07
Filing date: 2022-05-07
Publication date: 2022-08-23
Anticipated expiration: 2032-05-07

Abstract

The utility model discloses a flat industrial endoscope for slit detection, which comprises a probe, an adapter, an image transmission channel tube, a light transmission channel tube, an optical relay system, a photoelectric conversion system and a light source; the probe is formed by connecting a thin tube A and a thin tube C, in which a light transmission device is arranged, and a thin tube B, in which an image acquisition device is arranged, in parallel; the probe is respectively connected with the image transmission channel tube and the light transmission channel tube through the adapter, the other end of the image transmission channel tube is sequentially connected with the optical relay system and the photoelectric conversion system, the other end of the light transmission channel tube is connected with the light source, and a video line of the photoelectric conversion system and a power line of the light source are respectively connected with the display screen and the power supply. The utility model discloses can make the flat formula with the endoscope probe, its width can accomplish below 1 millimeter, and the specially adapted industry slit is surveyed.

Description

Flat industrial endoscope for slit detection

Technical Field

The utility model relates to an endoscope technical field, concretely relates to flat industry endoscope for slit detects.

Background

The industrial endoscope can be used for inspection and observation of places which are high in temperature, toxic, nuclear radiation and can not be directly observed by human eyes, and is mainly used in the fields of automobiles, aircraft engines, pipelines, mechanical parts and the like.

The image transmission device and the light transmission device of the existing industrial endoscope are integrated in one tube, and are limited by the size of the image transmission device and the light transmission device, and the outer diameter of an endoscope channel cannot be very small, so that an endoscope probe cannot be inserted into slits existing between internal parts of an engine and between two adjacent pipelines for examination, and the use of the industrial endoscope is limited.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a flat industrial endoscope for slit detection.

The utility model adopts the technical proposal that:

a flat industrial endoscope for slit detection comprises a probe, an adapter, an image transmission channel tube, a light transmission channel tube, an optical relay system, a photoelectric conversion system and a light source; the probe is formed by connecting a thin tube A and a thin tube C, in which a light transmission device is arranged, and a thin tube B, in which an image acquisition device is arranged, in parallel; the probe is respectively connected with the image transmission channel tube and the light transmission channel tube through the adapter, the other end of the image transmission channel tube is sequentially connected with the optical relay system and the photoelectric conversion system, the other end of the light transmission channel tube is connected with the light source, and the video cable of the photoelectric conversion system and the power cable of the light source are converged into a bus and then respectively connected with the display screen and the power supply.

Furthermore, the optical relay system, the photoelectric conversion system and the light source are arranged in the functional box.

Further, an optical diffusion assembly is installed at the front side of the light transmitting device, and the optical diffusion assembly is used for diffusing light.

Further, an optical objective lens assembly is installed on the front side of the image acquisition device, and the optical objective lens assembly is used for increasing the range of the visual angle.

Furthermore, the adaptor is made of hard material, and the front end face of the adaptor is provided with a first inlet, a second inlet and a third inlet which are respectively used for inserting the thin tube A, the thin tube B and the thin tube C; the rear end surface of the tube is provided with a first outlet and a second outlet which are respectively inserted with the image transmission channel tube and the light transmission channel tube; a first channel and a second channel are arranged in the first inlet, the second inlet is communicated with the first outlet through the first channel, and the first inlet and the third inlet are communicated with the second outlet through the second channel.

Further, the outer diameters of the narrow tube A, the narrow tube B and the narrow tube C are 0.5-1.0 mm.

Furthermore, the image acquisition device is an image beam, an optical lens group or an electronic image device.

Further, the light transmitting device is a light transmitting beam.

The utility model has the advantages that: the probe is arranged into three parallel thin tubes, namely a thin tube A, a thin tube B and a thin tube C, the image acquisition device and the light transmission device are respectively arranged in the thin tube A, the thin tube B and the thin tube C, the endoscope probe can be made into a flat type, the width of the endoscope probe can be below 1 millimeter, and the endoscope probe is particularly suitable for industrial slit detection; and set up image acquisition device and biography light device separately, also be convenient for image acquisition device and pass maintenance and change respectively of light device, and will pass the light device setting in the both sides of image acquisition device, more do benefit to the illumination to make the image clearer.

Drawings

Fig. 1 is a schematic structural view of a flat industrial endoscope for slit detection according to the present invention.

Fig. 2 is a schematic configuration diagram of the endoscope probe of the present invention.

Fig. 3 is a schematic perspective view of the adaptor of the present invention.

Fig. 4 is a right side view of fig. 3.

Reference numerals:

1. a probe; 2. an adaptor; 3. a function box; 4. an image transmission channel tube; 5. a light transmitting channel tube; 6. an optical relay system; 7. a photoelectric conversion system; 71. a video line; 8. a light source; 81. a power line; 9. a bus; 10. an optical objective lens assembly; 11. an image acquisition device; 12. an optical diffusion assembly; 13. a light transmitting device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings and a preferred embodiment.

Embodiment mode 1

Referring to fig. 1, the present embodiment provides a flat industrial endoscope for slit detection, which includes a probe 1, an adaptor 2, an image transmission channel tube 4, a light transmission channel tube 5, an optical relay system 6, a photoelectric conversion system 7, a light source 8, and a functional box 3.

The probe 1 is respectively connected with the image transmission channel tube 4 and the light transmission channel tube 5 through the adapter 2, the other end of the image transmission channel tube 4 is sequentially connected with the optical relay system 6 and the photoelectric conversion system 7, the other end of the light transmission channel tube 5 is connected with the light source 8, the optical relay system 6, the photoelectric conversion system 7 and the light source 8 are arranged in the function box 3, and the video cable 71 of the photoelectric conversion system 7 and the power cable 81 of the light source 8 penetrate out of the rear end cover of the function box 3 to form a bus 9 and then are respectively connected with the display screen and the power supply.

Referring to fig. 2, in the present embodiment, the probe 1 is formed by connecting three tubules having a diameter of 0.5mm, a tubule a101, a tubule B102, and a tubule C103 in parallel in this order. The narrow tube a101, the narrow tube B102, and the narrow tube C103 may be metal tubes, and three metal tubes may be welded after being juxtaposed. The thin tube A, the thin tube B and the thin tube C can also adopt non-metal tubes such as plastic, rubber and the like, and the three non-metal tubes are bonded after being juxtaposed.

An image acquisition device 11 is installed in the thin tube B, and an optical objective lens assembly 10 is installed on the front side of the image acquisition device 11. The optical objective lens assembly 10 and the installation method thereof are all the prior art, the optical objective lens assembly 10 is used for increasing the range of visual angles, and the main structure comprises a combination of a convex lens and a concave lens; the image capturing device 11 and the method of mounting the same are prior art, and the image capturing device 11 is used for transmitting image information, and may be an image beam, an optical lens group or an electronic image device. In order to make the probe more flat, in the present embodiment, the image acquisition device 11 is a fiber optic image transmission bundle.

The light transmission devices 13 are arranged in the tubules A and the tubules C, the optical diffusion components 12 are arranged on the front sides of the light transmission devices 13, the optical diffusion components 12 and the installation method thereof are the prior art, the optical diffusion components 12 are used for diffusing light rays, and the main structure of the optical diffusion components comprises optical convex lenses and optical concave lenses; the light transmission device 13 and the installation method thereof are all the prior art, the light transmission device 13 is used for transmitting light, preferably, the light transmission device 13 is a light transmission beam, and in order to make the probe more flat, the light transmission device 13 is an ultra-fine light transmission beam in the embodiment.

Referring to fig. 3, the adaptor 2 is made of a hard material, such as a hard plastic, and has a first inlet 21, a second inlet 22, and a third inlet 23 on its front end surface for inserting a thin tube a101, a thin tube B102, and a thin tube C103, respectively; the rear end face of the tube body is provided with a first outlet 24 and a second outlet 25 which are respectively used for inserting the image transmission channel tube 4 and the light transmission channel tube 5; a first channel and a second channel are arranged in the device. The second inlet 22 and the first outlet 24 communicate through a first passage, and the first inlet 21 and the third inlet 23 communicate through a second passage and the second outlet 25.

After the tubule B102 is inserted into the second inlet 22, the image transmission bundle in the tubule B102 is connected with the image transmission channel tube 4 inserted into the first outlet 24 through the first channel; after the tubule a101 and the tubule C103 are inserted into the first inlet 21 and the third inlet 23, respectively, the light transmitting beams in the tubule a101 and the tubule C103 are connected to the light transmitting channel tube 5 inserted into the second outlet 25 through the second channel.

The image transmission channel tube 4 is the prior art and is mainly used for transmitting image signals; the light transmission channel tube 5 is a conventional one, and is mainly used for transmitting light. Preferably, the image transmission channel tube 4 is a flexible tube with an image transmission bundle arranged inside, and the image transmission bundle in the image transmission channel tube 4 and the image transmission bundle in the thin tube B102 are the same. Preferably, the light transmitting channel tube 5 is a flexible tube with a light transmitting beam disposed inside, and the light transmitting beam in the light transmitting channel tube 5 is the same as the light transmitting beams in the tubule a101 and the tubule C103.

The utility model discloses a theory of operation is:

image information collected by an image collecting device 11 in the middle tubule B102 is transmitted into an optical relay system 6 through an image transmission channel tube 4, the optical relay system 6 transmits collected signals to a photoelectric conversion system 7 for photoelectric signal conversion, the converted signals are transmitted to a display screen through a video wire 71 for display, and the optical objective lens assembly 10 plays a role in increasing the visual angle range; the light transmission devices 13 in the tubules A101 and C103 on two sides transmit the light of the light source 8 to the optical diffusion component 12 through the light transmission channel tube 5, and the light is diffused by the optical diffusion component 12 to provide illumination for the image acquisition device 11.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and the improvements and modifications are also within the protection scope of the present invention.

Claims

1. A flat industrial endoscope for slit detection is characterized by comprising a probe (1), an adapter (2), an image transmission channel tube (4), a light transmission channel tube (5), an optical relay system (6), a photoelectric conversion system (7) and a light source (8); the probe (1) is formed by connecting a tubule A (101) and a tubule C (103) which are internally provided with light transmission devices (13) in parallel and a tubule B (102) which is internally provided with an image acquisition device (11); the probe (1) is respectively connected with the image transmission channel tube (4) and the light transmission channel tube (5) through the adapter (2), the other end of the image transmission channel tube (4) is sequentially connected with the optical relay system (6) and the photoelectric conversion system (7), the other end of the light transmission channel tube (5) is connected with the light source (8), and the video line (71) of the photoelectric conversion system (7) and the power line (81) of the light source (8) are converged into the bus (9) and then are respectively connected with the display screen and the power supply.

2. The industrial flat endoscope for slit detection according to claim 1, characterized in that the optical relay system (6), the photoelectric conversion system (7) and the light source (8) are provided in the functional box (3).

3. The industrial flat endoscope for slit detection according to claim 1, characterized in that an optical diffusing member (12) is installed at the front side of the light transmitting device (13), and the optical diffusing member (12) is used to diffuse light.

4. The industrial flat endoscope for slit inspection according to claim 1, characterized in that an optical objective lens assembly (10) is installed at the front side of the image capturing device (11), and the optical objective lens assembly (10) is used to increase the viewing angle range.

5. The industrial flat endoscope for slit detection according to claim 1, characterized in that the adaptor (2) is made of hard material, and its front end face is provided with a first inlet (21), a second inlet (22) and a third inlet (23) for respectively inserting the thin tube A (101), the thin tube B (102) and the thin tube C (103); the rear end surface of the tube is provided with a first outlet (24) and a second outlet (25) which are respectively inserted with the image transmission channel tube (4) and the light transmission channel tube (5); a first channel and a second channel are arranged in the first inlet (22), the second inlet (22) is communicated with the first outlet (24) through the first channel, and the first inlet (21) and the third inlet (23) are communicated with the second outlet (25) through the second channel.

6. The industrial flat endoscope for slit inspection according to claim 1, wherein the outside diameters of the narrow tube a (101), the narrow tube B (102), and the narrow tube C (103) are 0.5 to 1.0 mm.

7. A flat industrial endoscope for slit detection according to claim 1, characterized in that the image acquisition device (11) is an image beam, an optical lens group or an electronic image device.

8. A flat industrial endoscope for slit detection according to claim 1, characterized in that the light transmitting means (13) is a light transmitting beam.