CN214253252U

CN214253252U - Automatic detecting device for motor vehicle number plate

Info

Publication number: CN214253252U
Application number: CN202120622999.9U
Authority: CN
Inventors: 王岩松; 金伟国
Original assignee: Changzhou Sandianling Intelligent Manufacturing Co ltd; Focusight Technology Co Ltd
Current assignee: Changzhou Sandianling Intelligent Manufacturing Co ltd; Focusight Technology Co Ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-09-21
Anticipated expiration: 2031-03-29

Abstract

The utility model relates to an automatic detecting device for motor vehicle license plates, which comprises a feeding module, an imaging detection module and a discharging module; the feeding module is a lifting mechanism and is arranged below the imaging detection module to vertically feed; the imaging detection module comprises a camera, a lens and a light source, and is used for photographing, identifying, reading and detecting and outputting a discrimination result of a good product or a bad product; the blanking module is arranged at the output end of the imaging detection module, the detected license plate is sent out by the blanking module, and the license plate is received by manpower or subsequent equipment to complete detection. The utility model replaces manual detection operation with instrument detection and judgment, which not only can more rapidly and accurately collect and verify the number plate, but also reduces a large amount of manpower and slow checking and verifying speed; meanwhile, the problems that manual inspection inevitably causes errors, license plate collection errors and the like are avoided, the productivity is increased, and the errors are reduced.

Description

Automatic detecting device for motor vehicle number plate

Technical Field

The utility model relates to an automatic checkout device, especially a motor vehicle license plate automatic checkout device.

Background

The license plate is first pressed to form, that is, the numbers or letters of the license plate number are pressed to make the numbers or letters protrude from the surface of the license plate, and then the film ink is covered on the license plate by a thermoprinting machine for thermoprinting, so that the ink is thermoprinted on the surfaces of the numbers or letters.

However, in the pressing and hot stamping processes, there is a possibility that defects of characters and frames may be caused, and therefore, after hot stamping is completed, the number plate needs to be collected, verified, and the number plate information needs to be stored.

At present, the technologies of detection and the like of the number plate acquisition and verification devices in the market are not mature, the number plate acquisition and verification are carried out manually, and the mode not only needs a large amount of manpower, but also has slow speed of number plate acquisition and verification and cannot maintain a certain speed; meanwhile, manual inspection inevitably causes errors, and workers easily cause the problems of number plate acquisition errors and the like during long-time work.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a motor vehicle license plate automatic checkout device, solved artifical check speed slow and long-time work easy fatigue production error scheduling problem, can be fast, accurate carry out the collection, check and the differentiation of license plate.

The utility model provides a technical scheme that its technical problem adopted is: an automatic detecting device for motor vehicle license plates comprises a feeding module, an imaging detection module and a discharging module; the feeding module is a lifting mechanism and is arranged below the imaging detection module to vertically feed; the imaging detection module comprises a camera, a lens and a light source, and is used for photographing, identifying, reading and detecting and outputting a discrimination result of a good product or a bad product; the blanking module is arranged at the output end of the imaging detection module, the detected license plate is sent out by the blanking module, and the license plate is received by manpower or subsequent equipment to complete detection.

Furthermore, the lifting mechanism of the utility model comprises a lifting bottom plate, a plurality of vertical stop levers arranged around the lifting bottom plate and a driving device connected with the lifting bottom plate; the plurality of vertical stop levers form an upper storage bin, and the tops of the vertical stop levers are provided with proximity switches through a cross beam; the driving device drives the lifting bottom plate to ascend step by step.

Furthermore, the light source of the present invention includes a first light source and a second light source, wherein the first light source is disposed above the second light source; the first light source is an annular light source, and the second light source is a symmetrical strip light source.

Further say, unloading module include the transport subassembly, the transport subassembly include linear slide rail module and set up the mechanical transport arm on linear slide rail module, the bottom of mechanical transport arm be provided with vacuum chuck.

Further say, unloading module still include the jacking subassembly, the jacking subassembly include jacking motor and the lifting rod of being connected with jacking motor, the lifting rod include inboard lifting rod and outside lifting rod, inboard lifting rod top be provided with the bearing piece, outside lifting rod carry on spacingly to the license plate that awaits measuring.

The utility model has the advantages that the defects in the background technology are solved, the manual detection operation is replaced by the instrument detection and judgment, the number plate collection and verification can be more quickly and accurately carried out, and a large amount of manpower and slow detection and verification speed are reduced; meanwhile, the problems that manual inspection inevitably causes errors, license plate collection errors and the like are avoided, the productivity is increased, and the errors are reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a schematic structural diagram of the feeding module of the present invention;

FIG. 3 is a schematic structural diagram of the imaging detection module of the present invention;

fig. 4 is a schematic structural view of the blanking module of the present invention;

in the figure: 1. a frame; 2. a feeding module; 3. an imaging detection module; 4. a blanking module; 21. lifting the bottom plate; 22. a vertical stop lever; 23. a stepping motor; 24. number plate; 25. a proximity switch; 31. an annular light source; 32. a symmetrical strip light source; 41. a linear slide rail module; 42. a mechanical transfer arm; 43. a jacking motor; 44. an inboard jacking rod; 45. an outer jacking rod; 46. a bearing block; 47. and a discharging belt.

Detailed Description

The invention will now be described in further detail with reference to the drawings and preferred embodiments. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

The automatic detecting device for the number plate of the motor vehicle shown in the figures 1-4 comprises a frame 1, wherein a feeding module 2, an imaging detection module 3 and a discharging module 4 are arranged on the frame.

The feeding module 2 is a lifting mechanism, is arranged below the imaging detection module and is used for vertically feeding; the lifting mechanism comprises a lifting bottom plate 21, a plurality of vertical stop rods 22 arranged on the periphery of the lifting bottom plate and a driving device connected with the lifting bottom plate; the driving device is a stepping motor 23; a plurality of vertical stop rods form an upper storage bin, and the motor vehicle license plates 24 to be tested are stacked in the upper storage bin in a stacking mode; the top of the vertical stop lever is provided with a proximity switch 25 through a beam; the driving device drives the lifting bottom plate to ascend step by step.

The imaging detection module 3 comprises a camera, a lens and a light source, the imaging detection module is connected with the industrial personal computer, the camera takes a picture of the motor vehicle number plate to be detected and uploads the picture to the software identification module of the industrial personal computer for identification and detection, and the discrimination result of a good product or a bad product is output; the light source comprises a first light source and a second light source, and the first light source is arranged above the second light source; the first light source is an annular light source 31, the second light source is an auxiliary light source, and two symmetrically arranged strip-shaped light sources are adopted to form a symmetrical strip-shaped light source 32.

The unloading module 4 sets up in the output of formation of image detection module, and the license plate that the unloading module will detect is seen off by good product material receiving channel or bad product material receiving channel respectively to supply artifical or later equipment to receive the material, thereby accomplish the detection.

The blanking module comprises a carrying assembly and a jacking assembly, the carrying assembly comprises a linear slide rail module 41 and a mechanical carrying arm 42 arranged on the linear slide rail module, and a vacuum chuck is arranged at the bottom of the mechanical carrying arm. The mechanical carrying arm sucks the number plate which is subjected to drawing through the sucking disc, and the number plate is placed in the jacking assemblies on the corresponding material receiving channels respectively according to the detection result.

The jacking assembly comprises a jacking motor 43 and a jacking rod connected with the jacking motor, the jacking rod comprises an inner side jacking rod 44 and an outer side jacking rod 45, and the inner side jacking rod and the outer side jacking rod form a material receiving bin; the top of the inner side jacking rod is provided with a bearing block 46, and the outer side jacking rod limits the license plate to be tested. The jacking motor is a stepping motor, the jacking rod descends a fixed height from the highest point of the initial state until the stock bin reaches the set discharging number.

The detection process comprises the following steps: the number plate to be detected is stacked in the feeding bin, the first number plate on the outermost surface triggers the proximity switch, the imaging detection module photographs the number plate on the outermost surface and uploads the photographed number plate to the software identification module of the industrial personal computer for identification and detection, and the discrimination result of a good product or a bad product is output; then the mechanical carrying arm sucks the number plate which is subjected to drawing collection through a sucking disc, and the number plate is respectively placed on a bearing block of a good product/bad product receiving channel according to the detected good product/bad product result; and when one number plate is placed, the lifting rod descends by the height of the thickness of one number plate; when the mechanical carrying arm sucks and walks away the number plate on the outermost surface, the stepping motor connected with the lifting bottom plate works, the lifting bottom plate rises by the height of one number plate thickness, the imaging detection module detects the next number plate, and the rest is done; when any one of the good product/bad product receiving bins reaches the discharging capacity, the discharging belt 47 of the discharging module rotates to send out the number plate.

While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims

1. The utility model provides a motor vehicle license plate automatic checkout device which characterized in that: the device comprises a feeding module, an imaging detection module and a discharging module; the feeding module is a lifting mechanism and is arranged below the imaging detection module to vertically feed; the imaging detection module comprises a camera, a lens and a light source, and is used for photographing, identifying, reading and detecting and outputting a discrimination result of a good product or a bad product; the blanking module is arranged at the output end of the imaging detection module, the detected license plate is sent out by the blanking module, and the license plate is received by manpower or subsequent equipment to complete detection.

2. The automatic detecting device for the number plate of a motor vehicle according to claim 1, wherein: the lifting mechanism comprises a lifting bottom plate, a plurality of vertical stop levers arranged on the periphery of the lifting bottom plate and a driving device connected with the lifting bottom plate; the plurality of vertical stop levers form an upper storage bin, and the tops of the vertical stop levers are provided with proximity switches through a cross beam; the driving device drives the lifting bottom plate to ascend step by step.

3. The automatic detecting device for the number plate of a motor vehicle according to claim 1, wherein: the light source comprises a first light source and a second light source, and the first light source is arranged above the second light source; the first light source is an annular light source, and the second light source is a symmetrical strip light source.

4. The automatic detecting device for the number plate of a motor vehicle according to claim 1, wherein: the blanking module comprises a carrying assembly, the carrying assembly comprises a linear slide rail module and a mechanical carrying arm arranged on the linear slide rail module, and a vacuum chuck is arranged at the bottom of the mechanical carrying arm.

5. The automatic detecting device for the number plate of a motor vehicle according to claim 1, wherein: the unloading module still include the jacking subassembly, the jacking subassembly include jacking motor and the lifting rod of being connected with jacking motor, the lifting rod include inboard lifting rod and outside lifting rod, inboard lifting rod top be provided with the bearing piece, outside lifting rod carry on spacingly to the license plate that awaits measuring.