CN213121648U

CN213121648U - Portable detection box based on visual light source

Info

Publication number: CN213121648U
Application number: CN202021710059.7U
Authority: CN
Inventors: 黄易龙; 张焱; 段绪洲
Original assignee: Suzhou Muran Photoelectric Technology Co ltd
Current assignee: Suzhou Muran Photoelectric Technology Co ltd
Priority date: 2020-08-17
Filing date: 2020-08-17
Publication date: 2021-05-04
Anticipated expiration: 2030-08-17

Abstract

The utility model discloses a portable detection box based on a visual light source, wherein a first shell component comprises a hollow first shell; a first opening is arranged on the top surface of the first shell, and an inlet and an outlet are arranged on the side surface of the first shell; the second shell assembly comprises a hollow second shell; the top surface and the bottom surface of the second shell are respectively provided with a second opening; the lower end of the second shell is sleeved with the upper end of the first shell and is in threaded connection with the upper end of the first shell; the second shell assembly comprises a luminous source arranged inside the second shell; a light transmission channel which penetrates up and down is arranged in the light source; the third housing assembly comprises a hollow third housing; a third opening is arranged on the bottom surface of the third shell; the lower end of the third shell and the upper end of the second shell are mutually sleeved and connected in a threaded manner; the third housing assembly includes a camera disposed inside the third housing; the camera corresponds to the light transmission channel up and down. The utility model discloses a detection case portable, and the simple operation effectively satisfies the witnessed inspections demand of work piece.

Description

Portable detection box based on visual light source

Technical Field

The utility model relates to a check out test set technical field especially relates to a portable detection case based on visual light source.

Background

The machine vision detection is to use a machine to replace human eyes to detect flaws of products, can effectively improve the automatic detection efficiency of the products, and is particularly suitable for the detection operation requirements which are difficult to identify by human eyes. The heart of machine vision inspection is image acquisition and processing. All information comes from the acquired images. And the visual light source is an important factor influencing the machine vision detection. Through proper illumination design, the collection quality of the image can be effectively improved. At present, visual light sources are of annular light sources, strip light sources, surface light sources and the like.

At present, in some workpiece processing places, the produced workpiece needs to be detected in a processing site, the existing detection device is inconvenient to carry, parts such as a visual light source and a camera need to be assembled again when the device is used in the field, the operation steps are complex, and the requirement of the workpiece for field detection is difficult to meet.

SUMMERY OF THE UTILITY MODEL

To the technical problem who exists above-mentioned, the utility model aims at: the portable detection box based on the visual light source is convenient to carry and operate, and the field detection requirement of a workpiece is effectively met.

The technical solution of the utility model is realized like this: a visual light source based portable test case comprising a first housing assembly, a second housing assembly, and a third housing assembly; the first housing assembly comprises a hollow first housing; a first opening is formed in the top surface of the first shell, and an inlet and an outlet are formed in the side surface of the first shell; the first housing assembly includes a switch assembly for opening or closing the access opening; the second housing assembly comprises a hollow second housing; the top surface and the bottom surface of the second shell are respectively provided with a second opening; the lower end of the second shell is sleeved with the upper end of the first shell and is in threaded connection with the upper end of the first shell; the second shell assembly comprises a light emitting source arranged inside the second shell; a light transmission channel which penetrates through the light source up and down is arranged inside the light source; the third housing assembly comprises a hollow third housing; a third opening is formed in the bottom surface of the third shell; the lower end of the third shell and the upper end of the second shell are mutually sleeved and connected in a threaded manner; the third housing assembly includes a camera disposed inside a third housing; the cameras correspond to the light transmission channels up and down.

Further, the switch assembly includes a cover plate; the cover plate is slidably connected with the first housing and has a first position state for closing the access opening and a second position state for opening the access opening.

Further, a diffusion plate is arranged in the first shell.

Further, the luminous source comprises an annular PCB, LED lamp beads distributed on the bottom surface of the PCB and a cable electrically connected with the PCB; the PCB is fixed inside the second shell through a connecting piece; the light transmission channel is formed in the middle area of the PCB.

Furthermore, a threading hole through which a cable can pass is formed in the side surface of the second shell.

Furthermore, a rotating handle is arranged on the outer side surface of the second shell and/or the third shell.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

1. the utility model discloses a cooperation of first casing subassembly, second casing subassembly and third casing subassembly is used, and overall structure is compact, and portable removes. The luminous source is pre-installed in the second shell, the camera is pre-installed in the third shell, and when the device is used on site, parts such as the luminous source and the camera do not need to be assembled again, so that the operation steps are simplified, and the requirement of the workpiece for site detection is effectively met.

2. The utility model discloses a wait to detect the work piece and arrange first casing in through the access & exit, use through switch module's cooperation, can be closed with the access & exit to the work piece that awaits measuring is located the confined space, can reduce the interference of external light to the visual detection process, effectively improves the visual detection effect, is applicable to the detection demand of the less work piece of size.

3. The utility model discloses relative distance between third casing and the second casing can be adjusted, and then can realize the distance between camera and the light emitting source to can satisfy the formation of image demand of camera.

Drawings

The technical scheme of the utility model is further explained by combining the attached drawings as follows:

fig. 1 is a schematic three-dimensional structure diagram of the overall structure of the present invention;

FIG. 2 is a front sectional view of FIG. 1;

FIG. 3 is an exploded view of FIG. 1;

fig. 4 is a schematic three-dimensional structure diagram of the first housing assembly of the present invention;

FIG. 5 is a schematic three-dimensional structure of the cover of FIG. 4 in a closed state;

fig. 6 is a schematic three-dimensional structure diagram of a second housing assembly according to the present invention;

FIG. 7 is a schematic three-dimensional structure of FIG. 6 from another perspective;

fig. 8 is a schematic three-dimensional structure diagram of a third housing assembly according to the present invention;

fig. 9 is a schematic three-dimensional structure of the light source of the present invention;

wherein: 1. a first housing; 11. an entrance and an exit; 12. a diffusion plate; 2. a second housing; 21. a light emitting source; (ii) a 211. A PCB board; 212. LED lamp beads; 213. a connecting member; 22. threading holes; 3. a third housing; 31. a camera; 4. a cover plate; 41. a track; 5. the handle is rotated.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

As shown in fig. 1-3, the utility model discloses a portable detection box based on visual light source, this detection box includes first casing subassembly, second casing subassembly and third casing subassembly. The first housing assembly, the second housing assembly and the third housing assembly are interconnected to form a unitary structure. The detection box is suitable for the field detection requirement of workpieces with small sizes.

The first housing assembly comprises a hollow first housing 1 as shown in fig. 4 and 5. The first housing 1 has a first opening formed in a top surface thereof and an inlet/outlet 11 formed in a side surface thereof. The first opening is preferably open. The first housing assembly includes a switch assembly for opening or closing the access opening. The doorway 11 may be opened or closed by the switch assembly. A workpiece to be inspected can enter and exit the first housing 1 through the entrance 11. As shown in fig. 6 and 7, the second housing assembly includes a hollow second housing 2. Second openings are formed on the top surface and the bottom surface of the second housing 2, respectively. The second opening is open. The lower end of the second shell 2 and the upper end of the first shell 1 are mutually sleeved and connected in a threaded manner. Specifically, a threaded section is processed at the upper end of the outer side wall of the first shell 1, and a threaded section is processed on the inner side wall of the second shell 2. The second shell 2 is sleeved outside the first shell 1 through a second opening on the bottom surface of the second shell, and is in threaded connection with the threaded section on the first shell 1 through the threaded section. With the above structural design, the inside of the second casing 2 communicates with the inside of the first casing 1 through the first opening. By rotating the second casing 2, the up-down position of the second casing 2 relative to the first casing 1 can be adjusted. The second housing assembly includes a light emitting source 21 mounted inside the second housing 2. The light source 21 emits light downward, and the light enters the inside of the first housing 1 through the first opening. The light source 21 has a light transmission channel formed therein, and the light can be transmitted to the upper side of the light source 21 through the light transmission channel and emitted out through the second opening on the top surface of the second housing 2. As shown in fig. 8, the third housing assembly includes a hollow third housing 3. A third opening is formed in the bottom surface of the third housing 3. The third opening is open. The lower end of the third shell 3 and the upper end of the second shell 2 are mutually sleeved and connected in a threaded manner. Specifically, a threaded section is processed on the inner side wall of the third shell 3, and a threaded section is processed at the upper end of the outer side wall of the second shell 2. The third shell 3 is sleeved on the upper end of the second shell 2 through a third opening thereof, and is in threaded connection with a threaded section on the outer side wall of the second shell 2 through a threaded section thereof. With the above-described structural design, the inside of the third casing 3 communicates with the inside of the second casing 2 through the second opening in the top surface of the second casing 2. By rotating the third casing 2, the third casing 3 is rotated relative to the second casing 2 and can be moved up and down. The third housing assembly includes a camera 31 mounted inside the third housing 3. The camera 31 corresponds to the light transmission path up and down. The light input end of the camera 31 is arranged downward, and light is transmitted through the light transmission channel, is emitted into the third housing 3 through the second opening on the top surface of the second housing 2, and is received by the receiving end of the camera 31.

As shown in fig. 4 and 5, the switch assembly includes a cover plate 4. The cover plate 4 is slidably coupled to the first housing 1, and has a first position state (shown in fig. 5) for closing the access opening 11 and a second position state (shown in fig. 4) for opening the access opening 11. The cover 4 has a side surface that is in contact with the first housing 1, a rail 41 is attached to the first housing 1 on at least one side of the access opening 11, and the cover 4 is attached to the rail 41 in a sliding fit manner. By pushing the cover plate 4, the cover plate 4 is switched back and forth between the first position state and the second position state. In this embodiment, the cover plate 4 moves back and forth in the horizontal direction, and the push handle is mounted on the cover plate 4.

In order to improve the uniformity of the light emitted from the light source 21 entering the first casing 1, a diffusion plate 12 is installed in the first casing 1. The light passes through the diffusion plate 12 and enters the inside of the first housing 1.

As shown in fig. 9, the light source 21 includes a circular PCB 211, LED beads 212 distributed on the bottom surface of the PCB 211, and a cable electrically connected to the PCB 211. The PCB 211 is fixed inside the second housing 2 by a connector 231. The connector 231 is a housing structure. The light transmission channel is formed in the middle region of the PCB 211. The cable conductor is used for providing electric power for LED lamp pearl 212. A threading hole 22 through which the cable can pass is formed in a side surface of the second housing 2. The cable is threaded out of the threading hole 22 and connected to an external power supply device.

In order to facilitate the rotation of the second housing 2 and the third housing 3, a rotating handle 5 is mounted on the second housing 2, and the rotating handle 5 is a strip-shaped structure and is mounted on the outer side wall of the second housing 2. The handle 5 is rotated by hand-grasping to rotate the second housing 2. Similarly, a rotation handle 5 may be mounted on the third housing 3 to facilitate rotation of the third housing 3. Through rotatory second casing 2 for second casing 2 is adjustable relative first casing 1 upper and lower position, and then can adjust the upper and lower distance of the work piece that awaits measuring of luminous source 21, and then adjustable light shines the effect on the work piece that awaits measuring. By rotating the third housing 2, the up-down position of the third housing 3 relative to the second housing 2 is adjustable, so as to adjust the up-down distance of the camera 31 relative to the light source 21, and further adjust the imaging quality of the camera 31.

In field use, the data line of the camera 31 is connected to the image analysis processing device and the cable line of the light emitting source 21 is connected to the power supply device. A workpiece to be measured is put into the first housing 1 through the inlet/outlet 11. When the light source 21 is turned on, the second housing 2 and the third housing 3 can be rotated to adjust the positions of the light source 21 and the camera 31, so as to control the illumination brightness of the light source 21 and ensure the imaging quality of the camera 31.

The detection box of this embodiment overall structure is compact, portable removes. The light source 21 is pre-installed in the second shell 2, and the camera 31 is pre-installed in the third shell 3, so that the components such as the light source and the camera do not need to be assembled again when the device is used on site, the operation steps are simplified, and the requirement of the workpiece on-site detection is effectively met. In the detection process, the workpiece to be detected is located in the closed space, so that the interference of external light to the visual detection process can be reduced, the visual detection effect is effectively improved, and the detection requirement of the workpiece with the smaller size is met.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all utilize the equivalent structure or equivalent flow transformation that the content of the specification does, or directly or indirectly use in other related technical fields, all including in the same way the patent protection scope of the present invention.

Claims

1. The utility model provides a portable detection case based on vision light source which characterized in that: the detection box comprises a first shell assembly, a second shell assembly and a third shell assembly; the first housing assembly comprises a hollow first housing; a first opening is formed in the top surface of the first shell, and an inlet and an outlet are formed in the side surface of the first shell; the first housing assembly includes a switch assembly for opening or closing the access opening; the second housing assembly comprises a hollow second housing; the top surface and the bottom surface of the second shell are respectively provided with a second opening; the lower end of the second shell is sleeved with the upper end of the first shell and is in threaded connection with the upper end of the first shell; the second shell assembly comprises a light emitting source arranged inside the second shell; a light transmission channel which penetrates through the light source up and down is arranged inside the light source; the third housing assembly comprises a hollow third housing; a third opening is formed in the bottom surface of the third shell; the lower end of the third shell and the upper end of the second shell are mutually sleeved and connected in a threaded manner; the third housing assembly includes a camera disposed inside a third housing; the cameras correspond to the light transmission channels up and down.

2. The visual light source-based portable detection box of claim 1, wherein: the switch assembly includes a cover plate; the cover plate is slidably connected with the first housing and has a first position state for closing the access opening and a second position state for opening the access opening.

3. The visual light source-based portable detection box of claim 1, wherein: a diffusion plate is arranged in the first shell.

4. The visual light source-based portable detection box of claim 1, wherein: the luminous source comprises an annular PCB, LED lamp beads distributed on the bottom surface of the PCB and a cable electrically connected with the PCB; the PCB is fixed inside the second shell through a connecting piece; the light transmission channel is formed in the middle area of the PCB.

5. The visual light source-based portable detection box of claim 1, wherein: and a threading hole through which a cable can pass is formed in the side surface of the second shell.

6. The visual light source-based portable detection box of claim 1, wherein: and a rotary handle is arranged on the outer side surface of the second shell and/or the third shell.