Image acquisition system for automobile cable length detection and acquisition method thereof

By designing an image acquisition system for automotive wiring harnesses, the clamping, adsorption and moving mechanisms are used to automatically detect the length of the automotive cable, which solves the problems of slow manual detection speed, large errors and easy distortion of the wiring harness, and achieves efficient and accurate automated detection.

CN119394186APending Publication Date: 2025-02-07JIANG SU NING HUAI REN GONG ZHI NENG YAN JIU YUAN YOU XIAN GONG SI

Patent Information

Application Number
CN202411385805.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-30
Publication Date
2025-02-07

AI Technical Summary

Technical Problem

During the final inspection of the automotive wire harness, the manual inspection speed is slow, the error is large, and the wiring harness structure is complex and easy to be twisted and wound, resulting in inaccurate detection.

Method used

An image acquisition system is designed, including a control handle, a collection device and a transportation device. The car cable is clamped through a clamping mechanism, the adsorption mechanism adsorbs a flat cable, and the mobile mechanism transports the cable to the collection device, and the acquisition device carries out the Image acquisition and upload to the remote control center to achieve automated detection.

Benefits of technology

It reduces manual participation, reduces detection errors, improves detection efficiency and accuracy, and avoids the wire harness coiling during transportation.

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Abstract

The invention discloses an image acquisition system for detecting the length of an automobile cable and an acquisition method thereof. The image acquisition system for detecting the length of the automobile cable comprises a transportation track, a control box, a mounting plate, a control handle, an acquisition device, a moving mechanism, a clamping mechanism and an adsorption mechanism. According to the image acquisition system for detecting the length of the automobile cable, the clamping mechanism is used for clamping the automobile cable, and the adsorption mechanism adsorbs and flattens the automobile cable on the mounting plate, so that the automobile cable is prevented from being coiled and wound in the transportation process; the moving mechanism is used for driving the clamping mechanism and the adsorption mechanism to move, the automobile cable is conveyed to the collecting device, the collecting device is used for conducting image collecting on the automobile cable, detection is assisted, manual observation is not needed, the manual participation degree is reduced, and errors are reduced; the master controller is enabled to transmit a signal to the slave controller using wireless communication between the slave wireless communication module and the master wireless communication module.
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Description

Technical Field

[0001] The invention relates to an image acquisition system, in particular to an image acquisition system and an acquisition method thereof for detecting the length of automobile cables. Background Art

[0002] A complete wiring harness is mainly composed of wires, cables and contact terminals. Wires and cables are responsible for efficiently and accurately transmitting current and signals, while terminals serve as interfaces between wires and other components, ensuring the reliability of electrical connections between components and avoiding current loss and overheating. As the automotive industry transforms toward electrification and intelligence, the importance of wiring harnesses as a key basic technology has become increasingly prominent. In particular, the high dependence of new energy vehicles on electrical systems has further increased the demand for efficient and reliable wiring harness systems.

[0003] When conducting final inspections on automotive wiring harnesses, wiring harness factories mainly use manual labor to check the appearance and function of the wiring harnesses to ensure that dozens of connection terminals and cable ties on each wiring harness are accurately installed. Faced with such a huge inspection task, manual inspection is slow, and the final inspection usually requires a large number of inspectors. Moreover, due to certain differences in the subjective standards of manual judgment, when different inspectors inspect the quality of the same batch of wiring harnesses, the inspection results may have large errors, making it difficult to ensure the inspection accuracy of the wiring harnesses. In addition, the structure of automotive wiring harnesses is complex, with multiple branches, and it is easy to be entangled. Summary of the invention

[0004] Purpose of the invention: To provide an image acquisition system and an acquisition method for automobile cable length detection, to acquire images of automobile wiring harnesses to assist in length detection, reduce manual involvement, and reduce errors.

[0005] Technical solution: The image acquisition system for automobile cable length detection provided by the present invention comprises a control handle, an acquisition device and a transport device; the transport device comprises a transport track, a control box, a mounting plate, an acquisition device, a moving mechanism, a clamping mechanism and an adsorption mechanism; the moving mechanism moves along the transport track; the mounting plate is mounted on the moving mechanism; the clamping mechanism and the adsorption mechanism are both mounted on the mounting plate, the clamping mechanism clamps the automobile cable, and the adsorption mechanism adsorbs and flattens the automobile cable clamped by the clamping mechanism; the acquisition device is mounted on one side of the transport track, and is used to acquire the image of the adsorbed and flattened automobile cable; a main controller, a main memory and a main wireless communication module are mounted in the control handle; a main key panel is mounted on the control handle; the main memory, the main wireless communication module, the display screen and the main key panel are all electrically connected to the main controller; the acquisition device is driven and controlled by the main controller; the control box is mounted on the moving mechanism; a slave controller, a slave memory and a slave wireless communication module are arranged in the control box; the slave memory and the slave wireless communication module are both electrically connected to the slave controller; the slave wireless communication module maintains wireless communication with the main wireless communication module; the moving mechanism and the adsorption mechanism are both driven and controlled by the slave controller.

[0006] Furthermore, the acquisition device includes a longitudinal movement unit, an L-shaped column, a camera and a fill light; the longitudinal movement unit is installed on one side of the transport track; the L-shaped column is installed on the longitudinal movement unit, and the longitudinal movement unit drives the L-shaped column to move longitudinally; a position adjustment seat is slidably and adjustably installed on the L-shaped column; the camera is installed at the bottom of the position adjustment seat through an installation box and is electrically connected to the main controller; a fill light board is installed on the installation box through a shooting bracket; a fill light controlled by a controller is installed on the fill light board; and a shooting hole corresponding to the camera position is arranged on the fill light board.

[0007] Furthermore, the longitudinal movement unit includes a longitudinal movement track and a longitudinal movement drive motor; the longitudinal movement track is installed on one side of the transport track; the longitudinal movement seat is longitudinally slidably installed on the longitudinal movement track; a longitudinal movement drive screw for driving the longitudinal movement seat to move longitudinally is rotatably installed on the longitudinal movement track; the longitudinal movement drive motor is used to drive the longitudinal movement drive screw to rotate, and is electrically connected to the main controller through the longitudinal movement drive circuit; the L-shaped column is fixed on the longitudinal movement seat.

[0008] Furthermore, the mobile mechanism includes a main U-shaped seat, a slave U-shaped seat and a mobile drive unit; a mobile groove is provided on the transport track; a mobile drive rack is installed on the bottom of the mobile groove; the main U-shaped seat and the slave U-shaped seat are both movably buckled on the transport track; the mounting plate is installed on the main U-shaped seat and the slave U-shaped seat through two mounting shafts; the mobile drive unit is used to drive the main U-shaped seat to move along the transport track, and is driven and controlled by the slave controller; a card reader electrically connected to the slave controller is installed on the main U-shaped seat through a cantilever rod; a label card corresponding to the position of the collection device is installed on the upper side of the transport track.

[0009] Furthermore, a plurality of running wheels that run on the moving grooves are rotatably mounted on the main U-shaped seat and the slave U-shaped seat; and two limiting wheels that clamp the transport track are rotatably mounted on the main U-shaped seat.

[0010] Furthermore, a key panel and a speaker are installed on the control box.

[0011] Furthermore, the clamping mechanism includes a clamping guide rail and two clamping seats; the clamping guide rail is fixed on the mounting plate; the two clamping seats are both slidably mounted on the clamping guide rail; a clamping drive screw for driving the two clamping seats to move relative to each other is rotatably mounted on the clamping guide rail; a hand-tightening handle docked on the clamping drive screw is rotatably mounted on the clamping guide rail; two clamping plates for clamping the ends of automotive cables are fixed in parallel on the two clamping seats.

[0012] Furthermore, the adsorption mechanism includes a vacuum pump and a pressing frame; the pressing frame is swingably mounted on the pressing frame through an adsorption shaft; a flexible pressing pad for pressing on the mounting plate is provided on the pressing frame; an adsorption pressing film is covered on the flexible pressing pad; an air suction bin is fixed on the mounting plate; a plurality of air suction holes connected to the air suction bin are provided on the mounting plate; the vacuum pump is mounted on the mounting plate and is electrically connected to the slave controller through a pump drive circuit; the air inlet of the vacuum pump is connected to the air suction bin.

[0013] Furthermore, it also includes a tension spring; a positioning column is fixed on the mounting plate; a movable column is fixed on the pressing frame; the tension spring is elastically connected between the positioning column and the movable column; the pressing frame is driven by the tension spring to swing upward; and a lock for snapping onto the mounting plate is installed on the pressing frame.

[0014] Furthermore, the present invention also provides an acquisition method of an image acquisition system for detecting the length of automobile cables, comprising the following steps:

[0015] Step 1: Clamp the automotive cable on the clamping mechanism; the adsorption mechanism positions and adsorbs the automotive cable on the mounting plate;

[0016] Step 2: The moving mechanism drives the clamping mechanism and the adsorption mechanism to move to the acquisition device to wait for image acquisition;

[0017] Step 3: The acquisition device acquires images of the automobile cables, and the image data is stored in the memory. The controller uploads the data in the memory to the remote control center;

[0018] Step 4: The moving mechanism drives the clamping mechanism and the adsorption mechanism to move to the loading and unloading position, the adsorption mechanism stops adsorption and positioning, and the automotive cable that has completed image acquisition is removed from the clamping mechanism;

[0019] Step 5: Repeat steps 1 to 4.

[0020] Compared with the prior art, the present invention has the following beneficial effects: the automobile cable is clamped by a clamping mechanism, and the automobile cable is adsorbed and flattened on a mounting plate by an adsorption mechanism, so as to prevent the automobile cable from being twisted and entangled during transportation; the clamping mechanism and the adsorption mechanism are driven to move by a moving mechanism, and the automobile cable is transported to a collection device, and the collection device collects images of the automobile cable and stores the images in a main memory, and the main controller uploads the images in the main memory to a remote control center through a main wireless communication module to help perform length detection, without the need for manual observation, thereby reducing manual participation and reducing errors; and the wireless communication between the slave wireless communication module and the master wireless communication module is utilized to enable the main controller to send a signal to the slave controller, so that the moving mechanism and the adsorption mechanism can be driven through the main button panel. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 A top view of the present invention;

[0022] Figure 2 It is a schematic diagram of the installation of the mobile mechanism of the present invention;

[0023] Figure 3 It is a schematic diagram of the installation of the collection device of the present invention;

[0024] Figure 4 A top view of the collection device of the present invention;

[0025] Figure 5 is a top view of the clamping mechanism of the present invention;

[0026] Figure 6 It is a schematic diagram of the circuit structure of the present invention;

[0027] In the figure: 1. transport track; 2. support foot; 3. positioning plate; 4. control box; 5. slave button panel; 6. speaker; 7. carbon brush; 8. rocker; 9. pressing spring; 10. insulating wall; 11. busbar; 12. slave U-shaped seat; 13. walking wheel; 14. main U-shaped seat; 15. limiting wheel; 16. mobile drive motor; 17. mobile drive gear; 18. mobile drive rack; 19. card reader; 20. tag card; 21. cantilever rod; 22. mounting shaft; 23. suction chamber; 24. vacuum pump; 25. mounting plate; 26. adsorption shaft; 27. pressing frame; 28. flexible pressing pad; 29. Adsorption pressing film; 31. Positioning column; 32. Movable column; 33. Clamping guide rail; 34. Hand-tightening handle; 35. Clamping plate; 36. Flexible clamping pad; 37. Clamping seat; 38. Inhalation hole; 39. Lock; 40. Longitudinal track; 41. Longitudinal sliding groove; 42. Longitudinal driving screw rod; 44. Longitudinal seat; 45. L-shaped column; 46. Longitudinal driving motor; 47. Tension spring; 48. Position adjustment seat; 49. Position locking bolt; 50. Shooting bracket; 51. Fill light board; 52. Fill light; 53. Camera; 54. Installation box; 55. Control handle; 56. Main button panel; 57. Display screen. DETAILED DESCRIPTION

[0028] The technical solution of the present invention is described in detail below with reference to the accompanying drawings, but the protection scope of the present invention is not limited to the embodiments.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the description of the present invention, it should be understood that the terms "left", "right", "front", "back", "up", "down", "top", "bottom", etc., indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only simplified descriptions for the convenience of describing the present invention, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0031] Embodiment 1:

[0032] like Figure 1-6As shown, an image acquisition system for automobile cable length detection provided by the present invention comprises: a control handle 55, an acquisition device and a transport device; the transport device comprises a transport track 1, a control box 4, a mounting plate 25, an acquisition device, a moving mechanism, a clamping mechanism and an adsorption mechanism;

[0033] Support legs 2 are installed at intervals on the lower side of the transport track 1; a positioning plate 3 is installed on the lower end of each support leg 2; the moving mechanism moves along the transport track 1; the mounting plate 25 is installed on the moving mechanism; the clamping mechanism and the adsorption mechanism are both installed on the mounting plate 25, the clamping mechanism clamps the automobile cable, and the adsorption mechanism adsorbs and flattens the automobile cable clamped by the clamping mechanism; the acquisition device is installed on one side of the transport track 1, for acquiring the image of the adsorbed and flattened automobile cable; a main controller, a main memory and a main wireless communication module are installed in the control handle 55; a display screen 57 and a main button panel 56 are installed on the control handle 55; the main memory, the main wireless communication module, the display screen 57 and the main button panel 56 are all electrically connected to the main controller; the acquisition device is driven and controlled by the main controller; the control box 4 is installed on the moving mechanism; a slave controller, a slave memory and a slave wireless communication module are arranged in the control box 4; the slave memory and the slave wireless communication module are both electrically connected to the slave controller; the slave wireless communication module maintains wireless communication with the main wireless communication module; the moving mechanism and the adsorption mechanism are both driven and controlled by the slave controller.

[0034] The automobile cable is clamped by a clamping mechanism, and the adsorption mechanism adsorbs and flattens the automobile cable onto the mounting plate 25 to prevent the automobile cable from being twisted and entangled during transportation; the moving mechanism is used to drive the clamping mechanism and the adsorption mechanism to move, and the automobile cable is transported to the acquisition device, and the acquisition device acquires an image of the automobile cable and stores the image in the main memory. The main controller uploads the image in the main memory to the remote control center through the main wireless communication module to help with length detection, without the need for manual observation, reducing manual participation and reducing errors; the wireless communication between the slave wireless communication module and the master wireless communication module is used to enable the main controller to send a signal to the slave controller, so that the moving mechanism and the adsorption mechanism can be driven through the main button panel 56.

[0035] Furthermore, the acquisition device includes a longitudinal movement unit, an L-shaped column 45, a camera 53 and a fill light 52; the longitudinal movement unit is installed on one side of the transport track 1; the lower end of the vertical rod of the L-shaped column 45 is installed on the longitudinal movement unit, and the longitudinal movement unit drives the L-shaped column 45 to move longitudinally; a position adjustment seat 48 is slidably installed on the horizontal rod of the L-shaped column 45; a position locking bolt 49 whose end is tightly pressed on the horizontal rod of the L-shaped column 45 is threadedly screwed on the position adjustment seat 48; a mounting box 54 is installed at the bottom of the position adjustment seat 48; the camera 53 is installed at the bottom of the mounting box 54 and is electrically connected to the main controller; a fill light plate 51 is installed on the lower side of the mounting box 54 through a shooting bracket 50; a fill light 52 is installed on the lower side of the fill light plate 51; an electric control switch electrically connected to the main controller is connected in series to the power supply line of the fill light 52; a shooting hole corresponding to the position of the camera 53 is provided on the fill light plate 51.

[0036] By utilizing the cooperation between the position adjustment seat 48, the position locking bolt 49 and the L-shaped column 45, the position adjustment of the camera 53 can be achieved. By adjusting the position of the position adjustment seat 48 on the horizontal rod of the L-shaped column 45, the position of the camera 53 can be adjusted according to the position of the clamping mechanism to ensure the integrity of the image of the automobile cable captured by the camera 53; the fill light 52 is used to fill light the automobile cable under the control of the main controller to ensure the clarity of the image captured by the camera 53.

[0037] Furthermore, the longitudinal movement unit includes a longitudinal movement rail 40, a longitudinal movement drive motor 46 and a longitudinal movement drive screw 42; the longitudinal movement rail 40 is longitudinally installed on one side of the transport rail 1; a longitudinal movement sliding groove 41 is longitudinally arranged on the upper side surface of the longitudinal movement rail 40; a longitudinal movement seat 44 is longitudinally slidably installed in the longitudinal movement sliding groove 41; the longitudinal movement drive screw 42 is rotatably installed longitudinally in the longitudinal movement sliding groove 41, and is threadedly screwed through the longitudinal movement seat 44; the longitudinal movement drive motor 46 is used to drive the longitudinal movement drive screw 42 to rotate, and is electrically connected to the main controller through the longitudinal movement drive circuit; the lower end of the vertical rod of the L-shaped column 45 is fixed on the longitudinal movement seat 44.

[0038] The longitudinal drive motor 46 is used to drive the longitudinal drive screw 42 to rotate under the control of the main controller, and the longitudinal drive seat 44 is driven to move longitudinally on the longitudinal sliding groove 41, thereby driving the L-shaped column 45 to move longitudinally, and the L-shaped column 45 drives the camera 53 to move longitudinally to capture images of the automotive cables.

[0039] Furthermore, the mobile mechanism includes a main U-shaped seat 14, a slave U-shaped seat 12 and a mobile drive unit; the mobile drive unit includes a mobile drive motor 16 and a mobile drive gear 17; mobile grooves are provided on the two vertical side surfaces of the transport track 1 along the length direction; a mobile drive rack 18 is installed on the bottom of a mobile groove along the length direction; the main U-shaped seat 14 and the slave U-shaped seat 12 are both movably buckled on the transport track 1; the tops of the main U-shaped seat 14 and the slave U-shaped seat 12 are fixed with a mounting shaft 22 rotatably installed on the lower side of the mounting plate 25; the mobile drive gear 17 is rotatably installed on the main U-shaped seat 14 and meshed with the mobile drive rack 18; the mobile drive motor 16 is used to drive the mobile drive gear 17 to rotate, and through the mobile drive The driving circuit is electrically connected to the slave controller; a cantilever rod 21 is installed on one side edge of the main U-shaped seat 14, and a card reader 19 electrically connected to the slave controller is installed on the lower side of the cantilever rod 21; a label card 20 corresponding to the position of the collection device is installed on the upper side of the transport track 1; an insulating wall 10 is installed at the bottom of the transport track 1 along the track of the transport track 1; busbars 11 are installed on both sides of the insulating wall 10; swing arms 8 are swingably installed at the bottom of the two opposite side walls of the main U-shaped seat 14; carbon brushes 7 are installed on the ends of the two swing arms 8; the two carbon brushes 7 are electrically connected to the power supply module of the slave controller; two pressing springs 9 are installed on the main U-shaped seat 14, and the two pressing springs 9 are used to drive the two carbon brushes 7 to press tightly on the two busbars 11 respectively.

[0040] The mobile driving motor 16 is used to drive the mobile driving gear 17 to rotate under the control of the slave controller, and the mobile driving gear 17 moves on the mobile driving rack 18, so that the main U-shaped seat 14 drives the mounting plate 25 and the slave U-shaped seat 12 to move on the transport track 1, so as to realize the transportation of the automobile cables; label cards 20 are installed at the loading and unloading positions of the transport track 1 and at the positions corresponding to the collection mechanism, and the slave controller reads the label card 20 through the card reader 19. When the label card 20 is read, the slave controller controls the mobile driving motor 16 to stop running; two mounting shafts 22 are used to facilitate the mounting plate 25 to pass through the turning point of the transport track 1; the cooperation between the two busbars 11 and the two carbon brushes 7 is used to realize mobile power supply; the pressing spring 9 is used to drive the rocker 8 to swing, so as to ensure that the carbon brush 7 can be pressed tightly against the busbar 11 to ensure the stability of power supply.

[0041] Furthermore, running wheels 13 that run on the corresponding side moving grooves are rotatably mounted on the two opposite inner sides of the main U-shaped seat 14 and the two opposite inner sides of the slave U-shaped seat 12; and limiting wheels 15 that run on the corresponding side of the transport track 1 are rotatably mounted on the two opposite side walls of the main U-shaped seat 14. The running wheels 13 run on the moving grooves to reduce the friction of the main U-shaped seat 14 and the slave U-shaped seat 12 on the transport track 1, thereby improving the stability of the movement of the main U-shaped seat 14 and the slave U-shaped seat 12; and the two limiting wheels 15 run on the two side surfaces of the transport track 1 to prevent the main U-shaped seat 14 from shaking on the transport track 1, thereby further improving the stability of the movement.

[0042] Furthermore, a slave key panel 5 and a speaker 6 are mounted on the control box 4. The slave key panel 5 is used to directly control the moving mechanism and the adsorption mechanism through the slave controller; the speaker 6 is used to emit the audio pre-stored in the slave memory under the control of the controller.

[0043] Furthermore, the clamping mechanism includes a clamping guide rail 33 and two clamping seats 37; the clamping guide rail 33 is fixed on one side edge of the upper side of the mounting plate 25; a clamping groove is arranged on the clamping guide rail 33 along the length direction; the two clamping seats 37 are both slidably mounted on the clamping groove; a clamping drive screw is rotatably mounted on the clamping groove; the thread pitches on both sides of the clamping drive screw are the same and the rotation directions are opposite; the two sides of the clamping drive screw are respectively threaded and screwed through the two clamping seats 37; a hand-tightening handle 34 docked on the clamping drive screw is rotatably mounted on one end of the clamping guide rail 33; two clamping plates 35 for clamping the ends of automotive cables are fixed in parallel on the two clamping seats 37; and flexible clamping pads 36 are arranged on the opposite sides of the two clamping plates 35.

[0044] The clamping drive screw is rotated by twisting the hand-tightening handle 34. Since the thread pitches on both sides of the clamping drive screw are the same and the rotation directions are opposite, the clamping drive screw drives the two clamping seats 37 to be relatively close or relatively far away, so that the two clamping plates 35 clamp the ends of the automotive cable to achieve clamping of the automotive cable.

[0045] Furthermore, the adsorption mechanism includes a vacuum pump 24 and a pressing frame 27; a suction shaft 26 is rotatably installed on one side edge of the upper side of the mounting plate 25; one side edge of the pressing frame 27 is fixed on the adsorption shaft 26; a flexible pressing pad 28 for pressing on the mounting plate 25 is provided on the lower side of the pressing frame 27; an adsorption pressing film 29 is covered on the lower side of the flexible pressing pad 28; an air suction bin 23 is fixed on the lower side of the mounting plate 25; a plurality of air suction holes 38 connected to the air suction bin 23 are provided in the middle of the mounting plate 25; the vacuum pump 24 is installed on one side edge of the lower side of the mounting plate 25, and is electrically connected to the slave controller through a pump drive circuit; the air inlet of the vacuum pump 24 is connected to the air suction bin 23.

[0046] The vacuum pump 24 is used to evacuate the air suction bin 23 under the control of the slave controller, and the gas on the lower side of the adsorption and pressing film 29 enters the air suction bin 23 through the suction hole 38, so that the adsorption and pressing film 29 presses the car cable tightly against the mounting plate 25 to prevent the car cable from shaking, thereby ensuring the accuracy of image acquisition.

[0047] Furthermore, it also includes two tension springs 47; two positioning columns 31 are fixed on the mounting plate 25; two movable columns 32 are fixed on the pressing frame 27; one end of the two tension springs 47 is respectively installed on the two positioning columns 31, and the other end is respectively installed on the two movable columns 32; the pressing frame 27 is driven by the two tension springs 47 to swing upward; a lock 39 for snapping on the mounting plate 25 is installed on the pressing frame 27.

[0048] The two movable columns 32 are pulled by two tension springs 47, and the two movable columns 32 drive the pressing frame 27 to swing upward and open; the lock buckle 39 is used to ensure that the flexible pressing pad 28 can be pressed tightly on the mounting plate, so that the adsorption pressing film 29 can press the car cable tightly.

[0049] Furthermore, the present invention also provides an acquisition method of an image acquisition system for detecting the length of automobile cables, comprising the following steps:

[0050] Step 1: Clamp the automobile cable on the clamping mechanism; the adsorption mechanism positions and adsorbs the automobile cable on the mounting plate (25);

[0051] Twisting the hand-tightening handle 34 drives the clamping drive screw to rotate, and the clamping drive screw drives the two clamping seats 37 to be relatively close, so that the two clamping plates 35 clamp the ends of the automobile cables; the transportation device is controlled by the main button panel 56 on the control handle 55, and the main controller maintains wireless communication with the slave controller through the slave wireless communication module and the master wireless communication module. The slave controller controls the vacuum pump 24 to evacuate air, and the gas on the lower side of the adsorption and pressing film 29 enters the air suction bin 23 through the suction hole 38, so that the adsorption and pressing film 29 presses the automobile cable tightly on the mounting plate 25, and the automobile cable is fed;

[0052] Step 2: The moving mechanism drives the clamping mechanism and the adsorption mechanism to move to the acquisition device to wait for image acquisition;

[0053] The slave controller controls the mobile driving motor 16 to drive the mobile driving gear 17 to rotate, and the mobile driving gear 17 moves on the mobile driving rack 18, so that the main U-shaped seat 14 drives the mounting plate 25 and the slave U-shaped seat 12 to move on the transport track 1. After the slave controller reads the label card 20 at the position corresponding to the collection mechanism through the card reader 19, it controls the mobile driving motor 16 to stop running;

[0054] Step 3: The acquisition device acquires images of the automobile cables, and the image data is stored in the memory. The controller uploads the data in the memory to the remote control center;

[0055] The main controller turns on the fill light 52 for fill light, and collects images through the camera 53, controls the longitudinal drive motor 46 to drive the longitudinal drive screw 42 to rotate, drives the longitudinal seat 44 to move longitudinally on the longitudinal track 40, thereby driving the L-shaped column 45 to move longitudinally, and collects images of the automotive cables;

[0056] Step 4: The moving mechanism drives the clamping mechanism and the adsorption mechanism to move to the loading and unloading position, the adsorption mechanism stops adsorption and positioning, and the automotive cable that has completed image acquisition is removed from the clamping mechanism;

[0057] The slave controller controls the moving mechanism to move to the loading and unloading position, controls the vacuum pump 24 to stop pumping, twists the hand-tightening handle 34 to drive the clamping drive screw to reverse, and the clamping drive screw drives the two clamping seats 37 to move relatively away, so as to unload the automotive cable;

[0058] Step 5: Repeat steps 1 to 4.

[0059] In the image acquisition system for automobile cable length detection provided by the present invention, the main controller and the slave controller both adopt the existing single-chip control module; the main memory and the slave memory both adopt the existing memory; the electric control switch adopts the existing electric control switch; the main wireless communication module and the slave wireless communication module both adopt the existing wireless communication module; the display screen 57 adopts the existing display screen; the card reader 19 adopts the existing RFID card reader, and the tag card 20 adopts the corresponding RFID tag card; the longitudinal drive motor 46 and the mobile drive motor both adopt the existing stepping motor, and the longitudinal drive circuit and the mobile drive circuit adopt the existing stepping motor drive circuit module; the vacuum pump 24 adopts the existing vacuum pump, and the pump drive circuit adopts the corresponding vacuum pump drive circuit module; the camera 53 adopts the existing camera;

[0060] As described above, although the present invention has been shown and described with reference to specific preferred embodiments, it should not be construed as limiting the present invention itself. Various changes in form and details may be made without departing from the spirit and scope of the present invention as defined in the appended claims.

Claims

1. An image acquisition system for automobile cable length detection, characterized in that: A control handle (55), a collection device and a transport device; the transport device comprises a transport track (1), a control box (4), a mounting plate (25), a collection device, a moving mechanism, a clamping mechanism and an adsorption mechanism; the moving mechanism moves along the transport track (1); the mounting plate (25) is mounted on the moving mechanism; the clamping mechanism and the adsorption mechanism are both mounted on the mounting plate (25), the clamping mechanism clamps the automobile cable, and the adsorption mechanism adsorbs and flattens the automobile cable clamped by the clamping mechanism; the collection device is mounted on one side of the transport track (1) and is used to collect images of the adsorbed and flattened automobile cable; a main control device is mounted in the control handle (55); A main control device, a main memory and a main wireless communication module; a main key panel (56) is installed on the control handle (55); the main memory, the main wireless communication module, the display screen (57) and the main key panel (56) are all electrically connected to the main controller; the acquisition device is driven and controlled by the main controller; the control box (4) is installed on the moving mechanism; a slave controller, a slave memory and a slave wireless communication module are arranged in the control box (4); the slave memory and the slave wireless communication module are all electrically connected to the slave controller; the slave wireless communication module maintains wireless communication with the main wireless communication module; the moving mechanism and the adsorption mechanism are all driven and controlled by the slave controller.

2. The image acquisition system for detecting the length of automobile cables according to claim 1, characterized in that: The acquisition device comprises a longitudinal movement unit, an L-shaped column (45), a camera (53) and a fill light (52); the longitudinal movement unit is installed on one side of a transport track (1); the L-shaped column (45) is installed on the longitudinal movement unit, and the longitudinal movement unit drives the L-shaped column (45) to move longitudinally; a position adjustment seat (48) is slidably and adjustably installed on the L-shaped column (45); the camera (53) is installed at the bottom of the position adjustment seat (48) through an installation box (54) and is electrically connected to a main controller; a fill light plate (51) is installed on the installation box (54) through a shooting bracket (50); a fill light (52) controlled by a controller is installed on the fill light plate (51); and a shooting hole corresponding to the position of the camera (53) is arranged on the fill light plate (51).

3. The image acquisition system for detecting the length of automobile cables according to claim 2, characterized in that: The longitudinal movement unit comprises a longitudinal movement track (40) and a longitudinal movement drive motor (46); the longitudinal movement track (40) is installed on one side of the transport track (1); the longitudinal movement seat (44) is longitudinally slidably installed on the longitudinal movement track (40); a longitudinal movement drive screw (42) for driving the longitudinal movement seat (44) to move longitudinally is rotatably installed on the longitudinal movement track (40); the longitudinal movement drive motor (46) is used to drive the longitudinal movement drive screw (42) to rotate, and is electrically connected to the main controller through the longitudinal movement drive circuit; and an L-shaped column (45) is fixed on the longitudinal movement seat (44).

4. The image acquisition system for detecting the length of automobile cables according to claim 1, characterized in that: The mobile mechanism comprises a main U-shaped seat (14), a slave U-shaped seat (12) and a mobile drive unit; a mobile slot is provided on the transport track (1); a mobile drive rack (18) is installed on the bottom of the mobile slot; the main U-shaped seat (14) and the slave U-shaped seat (12) are both movably buckled on the transport track (1); a mounting plate (25) is mounted on the main U-shaped seat (14) and the slave U-shaped seat (12) via two mounting shafts (22); the mobile drive unit is used to drive the main U-shaped seat (14) to move along the transport track (1), and is driven and controlled by a slave controller; a card reader (19) electrically connected to the slave controller is installed on the main U-shaped seat (14) via a cantilever rod (21); and a label card (20) corresponding to the position of a collection device is installed on the upper side of the transport track (1).

5. The image acquisition system for detecting the length of automobile cables according to claim 4, characterized in that: A plurality of running wheels (13) running on the moving grooves are rotatably mounted on the main U-shaped seat (14) and the secondary U-shaped seat (12); and two limiting wheels (15) for clamping the transport track (1) are rotatably mounted on the main U-shaped seat (14).

6. The image acquisition system for detecting the length of automobile cables according to claim 1, characterized in that: A key panel (5) and a speaker (6) are installed on the control box (4).

7. The image acquisition system for detecting the length of automobile cables according to claim 1, characterized in that: The clamping mechanism comprises a clamping guide rail (33) and two clamping seats (37); the clamping guide rail (33) is fixed on a mounting plate (25); the two clamping seats (37) are both slidably mounted on the clamping guide rail (33); a clamping drive screw rod for driving the two clamping seats (37) to move relative to each other is rotatably mounted on the clamping guide rail (33); a hand-tightening handle (34) docked on the clamping drive screw rod is rotatably mounted on the clamping guide rail (33); and two clamping plates (35) for clamping the ends of automobile cables are fixed in parallel on the two clamping seats (37).

8. The image acquisition system for detecting the length of automobile cables according to claim 1, characterized in that: The adsorption mechanism comprises a vacuum pump (24) and a pressing frame (27); the pressing frame (27) is swingably mounted on the pressing frame (27) via an adsorption rotating shaft (26); a flexible pressing pad (28) for pressing on a mounting plate (25) is arranged on the pressing frame (27); an adsorption pressing film (29) is covered on the flexible pressing pad (28); an air suction bin (23) is fixed on the mounting plate (25); a plurality of air suction holes (38) connected to the air suction bin (23) are arranged on the mounting plate (25); the vacuum pump (24) is mounted on the mounting plate (25) and is electrically connected to a slave controller via a pump drive circuit; an air inlet of the vacuum pump (24) is connected to the air suction bin (23).

9. The image acquisition system for detecting the length of automobile cables according to claim 8, characterized in that: The pressing frame (27) also includes a tension spring (47); a positioning column (31) is fixed on the mounting plate (25); a movable column (32) is fixed on the pressing frame (27); the tension spring (47) is elastically connected between the positioning column (31) and the movable column (32); the pressing frame (27) is driven by the tension spring (47) to swing upward; and a lock (39) for buckling on the mounting plate (25) is installed on the pressing frame (27).

10. The acquisition method of the image acquisition system for automobile cable length detection according to claim 1, characterized in that: The steps include: Step 1: Clamp the automobile cable on the clamping mechanism; the adsorption mechanism positions and adsorbs the automobile cable on the mounting plate (25); Step 2: The moving mechanism drives the clamping mechanism and the adsorption mechanism to move to the acquisition device to wait for image acquisition; Step 3: The acquisition device acquires images of the automobile cables, and the image data is stored in the memory. The controller uploads the data in the memory to the remote control center; Step 4: The moving mechanism drives the clamping mechanism and the adsorption mechanism to move to the loading and unloading position, the adsorption mechanism stops adsorption and positioning, and the automotive cable that has completed image acquisition is removed from the clamping mechanism; Step 5: Repeat steps 1 to 4.

Citation Information

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