A portable foldable material detection device based on binocular vision

Abstract

The present invention discloses a portable foldable material detection device based on binocular vision, comprising a storage mechanism, a visual recognition mechanism, an operation panel, and a lifting support mechanism. The storage mechanism comprises a shell and a bottom plate, the visual recognition mechanism is located inside the shell, the lower end of the lifting support mechanism is connected to the bottom plate, and the upper end is connected to the shell, the operation panel is located outside the shell, and the upper side of the operation panel is detachably connected to the shell by detachable screws. The detection device is provided with a foldable bracket and a flippable operation screen, and has two states: a use state and a transportation and carrying state. It is more convenient to carry and apply in different occasions, thereby improving the utilization rate; using two sets of high-resolution cameras and lenses in conjunction with a strip light source and a ring light source can increase the shooting field of view and improve the shooting efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of automated machine vision detection, and in particular to a portable foldable material detection device based on binocular vision. Background Art

[0002] Some materials have high requirements for the outer surface. Because they cannot rub against objects, they cannot be automatically fed using a vibration plate. In addition, the shapes of the two end faces are highly similar, and the assembly process has positive and negative requirements. In order to adapt to automated assembly, workers need to take the materials out of the packaging bag before assembly, check them with their eyes, and place them regularly in the tray before sending them to the automated assembly line. Due to the small size of the materials and the large number of materials placed, manual inspection is inefficient and it is easy to make mistakes if they are distinguished by eyes for a long time. At the same time, military products have the characteristics of multiple varieties, small batches, and similar materials. Multiple products are distributed in different assembly places. The same assembly worker will change work places with the products. Each assembly place is equipped with a detection device, which is costly and has a low utilization rate. Therefore, a portable and foldable material detection device based on binocular vision is proposed.

[0003] In view of the above-mentioned defects, the inventors of the present invention finally obtained the present invention after a long period of research and practice. Summary of the invention

[0004] The purpose of the present invention is to solve the problems of low efficiency and easy error in placing materials by manually viewing rules with the eyes and the convenience of carrying the device to improve the utilization rate of the device, and provide a portable and foldable material detection device based on binocular vision.

[0005] The present invention solves the above technical problems through the following technical solutions: a portable foldable material detection device based on binocular vision includes a storage mechanism, a visual recognition mechanism, an operation panel and a lifting support mechanism, wherein the visual recognition mechanism is located inside the storage mechanism, the storage mechanism includes a shell and a bottom plate, the shell and the bottom plate are connected through the lifting support mechanism, the operation panel is located on the shell, the visual recognition mechanism includes a light source assembly, a connecting assembly and a camera assembly, the light source assembly is located below the camera assembly, the light source assembly and the camera assembly are connected through the connecting assembly, the camera assembly includes a camera and a lens, the lens is located below the camera and connected thereto, the light source assembly includes a light source controller, a strip light source and at least one annular light source, the annular light source and the strip light source are electrically connected to the light source controller, and the light source controller is electrically connected to the operation panel;

[0006] The upper end of the lifting support mechanism is connected to the shell, and the lower end of the lifting support mechanism is connected to the bottom plate. The shell is movably connected to the bottom plate through the lifting support mechanism, and the shell drives the visual recognition mechanism to move up and down along the height direction of the lifting support mechanism.

[0007] Furthermore, a handle is provided on the top of the shell.

[0008] Furthermore, holes are provided on both sides of the shell to facilitate assembly and adjustment.

[0009] Furthermore, the lifting support mechanism includes a supporting slide bar, a slide groove and a supporting back plate, the supporting slide bar is slidably connected to the slide groove, one side of the supporting back plate is fixedly connected to the supporting slide bar, and the other side of the supporting back plate is connected to the light source controller, the supporting slide bar includes two vertical rods and a horizontal rod, and the top of the vertical rod is respectively connected to the two ends of the horizontal rod.

[0010] Furthermore, the detection device also includes a plurality of detachable screws for fixing, the upper and lower ends of the slide slot are provided with screw holes adapted to the detachable screws, and the support slide rod is connected to the slide slot via the detachable screws.

[0011] Furthermore, the operation panel is located on the front side of the shell, and the operation panel includes a fixed frame and a screen. The shell and the fixed frame are both provided with corresponding screw holes. The detachable screws pass through the screw holes on the shell and the fixed frame to movably connect the fixed frame to the shell, and the screen is embedded and fixed in the fixed frame.

[0012] Furthermore, the bottom of the fixed frame is movably connected to one side of the base plate, the bottom of the front side of the shell is provided with a groove adapted to the fixed frame, the middle of the base plate is provided with a screw hole corresponding to the position of the fixed frame, and the detachable screws pass through the screw holes of the fixed frame and the base plate to movably connect the fixed frame and the base plate.

[0013] Furthermore, the connecting assembly includes a first connecting plate, a first light source plate, and a second light source plate, the annular light source is connected via the first connecting plate, the first light source plate is located on the annular light source and fixedly connected thereto, the two ends of the strip light source are respectively connected to the second light source plates, the upper side of the second light source plate is connected to the first light source plate, and a power switch is provided on the second light source plate.

[0014] Furthermore, the connecting component also includes a top plate, a connecting column, and a third connecting member, wherein the connecting column is located between the top plate and the first light source board, one end of the connecting column is connected to the top plate, and the other end is connected to the first light source board, one end of the third connecting member is connected to the camera, and the other end is connected to the top plate, and the top plate is connected to the outer shell.

[0015] Furthermore, the connection assembly also includes a second connection plate, which is located on the top of the light source controller, and the upper end surface of the second connection plate is connected to the housing, and the lower end surface of the second connection plate is connected to the light source controller.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] 1. This portable and foldable material detection device based on binocular vision uses two sets of high-resolution cameras and lenses with strip light sources and ring light sources to increase the shooting field of view, achieve one-time shooting of all materials, and improve shooting efficiency;

[0018] 2. The detection device is equipped with a foldable bracket and a flip-over operating screen. It has two states: use state and transportation and carrying state. It is more convenient to carry and use in different occasions, thus improving the utilization rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a structural diagram of the use state of the detection device in an embodiment of the present invention;

[0020] Figure 2 It is a module structure diagram of a visual system and a module structure diagram of a part of a detection support in an embodiment of the present invention;

[0021] Figure 3 It is a structural diagram of a detection bracket module and a structural diagram of a part of an operation screen module in a use state in an embodiment of the present invention;

[0022] Figure 4 is a structural diagram of the detection device in a folded and portable state according to an embodiment of the present invention;

[0023] Figure 5 It is a structural diagram of a detection bracket module and a structural diagram of a part of an operation screen module in a folded state in an embodiment of the present invention;

[0024] Figure 6 is a detection diagram of a certain material detected by a detection device in an embodiment of the present invention;

[0025] The numbers in the figure represent:

[0026] 1-storage mechanism; 11-housing; 111-handle; 112-hole; 12-bottom plate; 2-visual recognition system; 21-camera; 22-lens; 23-ring light source; 24-bar light source; 25-light source controller; 261-first connecting plate; 262-top plate; 263-second connecting plate; 264-third connecting plate; 265-connecting column; 266-first light source board; 267-second light source board; 27-power switch; 3-operation panel; 31-fixed frame; 311-first detachable screw; 312-hinge; 32-screen; 4-lifting support mechanism; 41-support slide bar; 42-slide groove; 421-second detachable screw; 422-third detachable screw; 43-support back plate; 5-material tray. DETAILED DESCRIPTION

[0027] The above and other technical features and advantages of the present invention are described in more detail below in conjunction with the accompanying drawings.

[0028] like Figure 1 As shown, Figure 1 The following is a structural diagram of the detection device in use state. A portable foldable material detection device based on binocular vision includes a storage mechanism 1, a visual recognition mechanism 2, an operation panel 3 and a lifting support mechanism 4. The storage mechanism 1 includes a shell 11 and a bottom plate 12. The visual recognition mechanism 2 is located inside the shell 11. The lower end of the lifting support mechanism 4 is connected to the bottom plate 12, and the upper end is connected to the shell 11. The operation panel 3 is located outside the shell 11, and the operation panel 3 is connected to the shell 11 through a first detachable screw 311. The operation panel 3 includes a fixed frame 31 and a screen 32. The screen 32 is embedded and fixed in the fixed frame 31. The bottom of the fixed frame 31 is rotatably connected to the bottom plate 12 through a hinge 312. The hinge 312 serves to put the screen 32 in two states: vertical and horizontal, so that the detection device can be folded and carried when not in use.

[0029] The bottom of the front side of the shell 11 is provided with a groove adapted to the fixed frame 31, so that the fixed frame 31 can switch between the horizontal state and the vertical state freely. The upper side of the fixed frame 31 is provided with a first detachable screw 311, and the fixed frame 31 and the shell 11 are detachably connected through the first detachable screw 311. The lifting support mechanism 4 includes a slide groove 42 and a supporting slide bar 41. The slide groove 42 is in the shape of a square tube. The slide groove 42 is welded by a U-shaped plate and a flat plate. There are two groups of slide grooves, which are welded on the bottom plate 12 respectively. The interior of the slide groove 42 is hollow. The slide groove 42 is located below the supporting slide bar 41. The slide groove 42 is located above the bottom plate 12. One end of the supporting slide bar 41 is fixed to the inner upper surface of the outer shell 11, and the other end is placed in the slide groove 42. The supporting slide bar 41 can slide in the slide groove 42. The supporting slide bar 41 includes two vertical rods and a horizontal rod. The tops of the two vertical rods are respectively connected to the two ends of the horizontal rod. Moving the horizontal rod up and down can drive the supporting slide bar 41 to slide up and down, thereby switching the detection device between the use state and the folded and carried state.

[0030] Holes 112 are provided on both sides of the housing 11 to facilitate the assembly worker to reach into the detection device to adjust the lens.

[0031] like Figure 2 As shown, Figure 2It is a block diagram of the visual system module and a block diagram of a part of the detection bracket module. The visual recognition mechanism includes a camera assembly, a light source assembly, and a connecting assembly. The connecting assembly serves to connect the entire visual recognition mechanism. The light source assembly includes two annular light sources 23 and a strip light source 24. The camera assembly includes a camera 21 and a lens 22. The connecting assembly includes a first connecting plate 261, a first light source plate 266, and a second light source plate 267. Two cameras 21 are provided. The lower ends of the two cameras 21 are connected to lenses 22. The lenses 22 are located at the annular light source. There are two annular light sources 23 above the center of 23. The two annular light sources 23 are arranged in parallel and connected by a first connecting plate 261. One side of the upper surface of each annular light source 23 is connected to a first light source plate 266. The strip light source 24 is in the shape of an elongated strip and is located in front of the two annular light sources 23. The two ends of the strip light source 24 are respectively connected to second light source plates 267. The second light source plate 267 is a U-shaped structure formed by splicing three plates. There are raised parts on the two side plates of the second light source plate 267, and the raised parts are fixedly connected to the first light source plate 266.

[0032] The connecting component also includes a top plate 262, a connecting column 265, and a third connecting member 264. The top plate 262 is arranged above the camera 21. The top plate 262 and the camera 21 are connected through the third connecting plate 264. The third connecting plate 264 is respectively connected to both sides of the lower end surface of the top plate 262. Connecting columns 265 are also connected to both sides of the lower end surface of the top plate 262. The connecting columns 265 are in a vertical state. The upper end of the connecting column 265 is connected to the top plate 262, and the lower end is connected to the upper surface of the first light source panel 266. The light source controller 25 is located on the rear side of the camera 21 and the lens 22. The light source controller 25 is a cubic structure with a second connecting plate 263 on the upper surface. The top plate 262 and the second connecting plate 263 are both connected to the inner surface of the outer shell 11. The support back plate 43 is located on the rear side of the light source controller 25 to support the detection device and guide it. The support back plate 43 connects the support slide bar 41 and the light source controller 25. The rear side plate of the second light source plate 267 is provided with a power switch 27, and the power switch 27 controls the operation of the detection device.

[0033] like Figure 3 As shown, Figure 3It is a structural diagram of the detection bracket module and a structural diagram of part of the operation screen module in the use state. The support back plate 43 is hollowed out, which has the effect of saving materials. The upper part of the support slide bar 41 is connected to the upper end of the support back plate 43. The support slide bar 41 consists of two vertical square bars and a horizontal square bar. Two vertical square bars are connected to the lower end surface of the horizontal square bar on both sides. The two vertical square bars are respectively located inside the upper ends of the two slide grooves 42 and are connected by the second detachable screw 421 to keep the detection device in a state for a long time. The lower ends of the two slide grooves 42 are provided with screw holes, and there is a certain gap between the support back plate 43 and the vertical rod of the support slide bar 41, which is convenient for the support slide bar 41 to slide in the slide groove 42 and also drives the support back plate 43 and the visual recognition mechanism 2 to slide up and down.

[0034] like Figure 4 As shown, Figure 4 It is a structural diagram of the detection device in a folded and portable state. A handle 111 is provided on the upper end surface of the housing 11 for easy carrying. The lower edge of the housing 11 is completely in contact with the upper surface of the bottom plate 12, making the entire detection device simple and beautiful.

[0035] like Figure 5 As shown, Figure 5 It is a structural diagram of the detection bracket module and a structural diagram of part of the operation screen module in the folded state. The first detachable screw 311 in the operation panel 3 is turned, and the first detachable screw 311 connects the screen 32 to the shell 11 and the bottom plate 12 respectively when the screen 32 is in two states, and the fixed frame 31 is turned over with the screen 32 until it is folded into the shell 11, and then the second detachable screw 421 in the slide groove 42 is turned, and the handle 111 is used to slowly move the shell 11 down until the fixed frame 31 contacts the bottom plate 12, and the support slide bar 41 is fixed in the slide groove 42 with the third detachable screw 422, and the bottom plate 12 and the fixed frame 31 are connected from the bottom of the bottom plate 12 with the first detachable screw 311. At this time, the detection device is in a folded and portable state, which is convenient for carrying and transportation.

[0036] When the material to be tested is Figure 4 As shown, the first detachable screw 311 is removed by hand through the hole 112 on the side of the housing 11 to separate the fixing frame 31 from the bottom plate 12, and the handle 111 is pulled upward to separate the housing 11 from the bottom plate 12, and the two vertical square rods in the support slide rod 41 slide upward along the vertical direction of the slide groove 42 until the bottom end of the vertical square rod coincides with the top end of the slide groove 42, as shown in FIG. Figure 1 As shown; screw holes are opened at the bottom ends of the two vertical square rods, and screw holes are opened at the top and bottom ends of the slide slot 42 respectively. The second detachable screw 421 passes through the screw holes of the vertical square rod and the slide slot 42 to keep the vertical square rod and the slide slot 42 fixed, and the fixing frame 31 is fixed to the front surface of the housing 11 by the first detachable screw 311. Figure 6As shown, the A and B surfaces of the material tray 5 are respectively placed close to the slide groove 42, so that the material tray 5 is placed centered on the bottom plate 12, and the hand passes through the hole 112 on the side of the shell 11 to enter the detection device to adjust the lens, and then start image processing, and material detection can be performed through a variety of template matching methods.

[0037] The above description is only a preferred embodiment of the present invention, which is only illustrative and not restrictive of the present invention. Those skilled in the art understand that many changes, modifications, and even equivalences may be made to the present invention within the spirit and scope defined by the claims of the present invention, but all of them will fall within the scope of protection of the present invention.

Claims

1. A portable foldable material detection device based on binocular vision, characterized in that: The device comprises a storage mechanism, a visual recognition mechanism, an operation panel and a lifting support mechanism, wherein the visual recognition mechanism is located inside the storage mechanism, the storage mechanism comprises a shell and a bottom plate, the shell and the bottom plate are connected through the lifting support mechanism, the operation panel is located on the shell, the visual recognition mechanism comprises a light source assembly, a connecting assembly and a camera assembly, the light source assembly is located below the camera assembly, the light source assembly and the camera assembly are connected through the connecting assembly, the camera assembly comprises a camera and a lens, the lens is located below the camera and connected thereto, the light source assembly comprises a light source controller, a strip light source and at least one annular light source, the annular light source and the strip light source are electrically connected to the light source controller, and the light source controller is electrically connected to the operation panel; The upper end of the lifting support mechanism is connected to the shell, and the lower end of the lifting support mechanism is connected to the bottom plate. The shell is movably connected to the bottom plate through the lifting support mechanism, and the shell drives the visual recognition mechanism to move up and down along the height direction of the lifting support mechanism. The lifting support mechanism includes a support slide bar, a slide slot and a support back plate, the support slide bar is slidably connected to the slide slot, one side of the support back plate is fixedly connected to the support slide bar, and the other side of the support back plate is connected to the light source controller, the support slide bar includes two vertical rods and a horizontal rod, and the top of the vertical rod is respectively connected to the two ends of the horizontal rod; The detection device also includes a plurality of detachable screws for fixing, the upper and lower ends of the slide slot are provided with screw holes adapted to the detachable screws, and the support slide rod is connected to the slide slot via the detachable screws; The operation panel is located on the front of the shell, and includes a fixing frame and a screen. The shell and the fixing frame are both provided with screw holes corresponding to the positions. The detachable screws pass through the screw holes on the shell and the fixing frame to flexibly connect the fixing frame with the shell, and the screen is embedded and fixed in the fixing frame. The bottom of the fixed frame is movably connected to one side of the base plate, the bottom of the front side of the shell is provided with a groove adapted to the fixed frame, the middle of the base plate is provided with a screw hole corresponding to the position of the fixed frame, and the detachable screws pass through the screw holes of the fixed frame and the base plate to movably connect the fixed frame and the base plate.

2. A portable foldable material detection device based on binocular vision as claimed in claim 1, characterized in that: A handle is arranged on the top of the shell.

3. A portable foldable material detection device based on binocular vision as claimed in claim 2, characterized in that: Both sides of the shell are provided with holes for assembling and adjusting.

4. A portable foldable material detection device based on binocular vision as claimed in claim 1, characterized in that: The connecting assembly includes a first connecting plate, a first light source plate, and a second light source plate. The annular light source is connected via the first connecting plate. The first light source plate is located on the annular light source and fixedly connected thereto. The two ends of the strip light source are respectively connected to the second light source plates. The upper side of the second light source plate is connected to the first light source plate. A power switch is provided on the second light source plate.

5. A portable foldable material detection device based on binocular vision as claimed in claim 4, characterized in that: The connecting component also includes a top plate, a connecting column, and a third connecting member. The connecting column is located between the top plate and the first light source board, one end of the connecting column is connected to the top plate, and the other end is connected to the first light source board. One end of the third connecting member is connected to the camera, and the other end is connected to the top plate. The top plate is connected to the outer shell.

6. A portable foldable material detection device based on binocular vision as claimed in claim 5, characterized in that: The connection assembly further comprises a second connection plate, which is located on the top of the light source controller, wherein the upper end surface of the second connection plate is connected to the housing, and the lower end surface of the second connection plate is connected to the light source controller.

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