Recognition rate testing device for vehicle identification code image acquisition instrument

Abstract

The utility model discloses an identification rate testing device for a vehicle identification code image acquisition instrument, which comprises a box body, and a power supply module assembly, a standard plate adjusting assembly, an acquisition instrument fixing assembly and a distance reference plate which are arranged in the box body, the distance reference plate is fixed in the box body and divides the internal space of the box body into an acquisition instrument placing area and a standard plate adjusting area, and the acquisition instrument fixing assembly is arranged in the acquisition instrument placing area and is attached to the distance reference plate; the standard board adjusting assembly and the power supply module assembly are both arranged in the standard board adjusting area and are arranged at intervals with the distance reference board, and the power supply module assembly is electrically connected with the standard board adjusting assembly; the clamping fixation and height adjustment of the to-be-tested image acquisition instruments of different specifications are realized through the acquisition instrument fixing assembly so as to ensure that the camera can normally shoot through the shooting window and obtain the content of the standard VIN code plate; meanwhile, the distance between the tested image acquisition instrument and the standard VIN code plate, the illumination intensity in the device and the angle of the standard VIN code plate are adjusted through the standard plate adjusting assembly.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of measurement and detection device, especially, relate to a kind of vehicle identification code image acquisition instrument identification rate test device. BACKGROUND

[0002] Vehicle identification code (VIN) is a set of codes specified by automobile manufacturers to identify a vehicle, with unique identification of a vehicle in the world;In the vehicle registration, annual inspection, transfer and other links, relevant departments need to accurately obtain vehicle identification code, vehicle identification code image acquisition instrument can quickly and accurately collect VIN code image and identify the collected image character content, promote the electronic and paperless development of vehicle management agency's inspection work, improve the efficiency of motor vehicle inspection work.It is convenient for relevant departments to identify vehicle identity, ensure the authenticity and legality of vehicle information, and help vehicle management system to effectively check and manage vehicles.

[0003] Vehicle identification code is an important identification of vehicle identity, if the image collected by vehicle identification code image acquisition instrument is inaccurate, for example, fuzzy, missing, deformation and the like, it will affect the unique inspection of vehicle identification code by vehicle management agency.Vehicle identification code image acquisition instrument is generally used outdoors, and the distance, angle and shooting light intensity between acquisition instrument and photographed VIN code can affect identification rate, so a simulation test device is needed to detect identification rate, to ensure the effectiveness of motor vehicle inspection work. UTILITY MODEL CONTENT

[0004] The utility model solves the technical problem for the defects of prior art, provides a kind of vehicle identification code image acquisition instrument identification rate test device, to ensure the data acquisition accuracy of vehicle identification code image acquisition instrument of different specifications, guarantee the quality of VIN code image collected.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of vehicle identification code image acquisition instrument identification rate test device, including box and installation in power module assembly, standard plate adjusting assembly, acquisition instrument fixed component and distance reference plate in box, the distance reference plate is fixed in box and the interior space of box is divided into acquisition instrument placement area and standard plate adjusting area, the acquisition instrument fixed component is placed in acquisition instrument placement area and is pasted with distance reference plate, the standard plate adjusting assembly and power module assembly are all placed in standard plate adjusting area and are spaced apart with distance reference plate, the power module assembly is electrically connected with standard plate adjusting assembly.

[0007] Further, the standard plate adjusting assembly comprises a translation member, a support frame, a rotating member, a standard VIN code plate, a clamping turntable and a grating ruler, the support frame is fixed on the translation member, the rotating member is arranged on the support frame, the clamping turntable is fixed on the front side of the rotating member, the standard VIN code plate is fixed in the clamping turntable, the grating ruler is arranged on one side of the translation member, and the bottom side of the support frame is fixed with the outside of the reading head of the grating ruler, and the translation member, the rotating member and the grating ruler are electrically connected with the power module assembly respectively.

[0008] Further, the collection instrument fixing assembly comprises a lifting member, a sliding rail member, a connecting member, a fixing support plate and a clamping member, the bottom of the lifting member is fixed with the inner bottom plate of the box body, the clamping member is fixed on the top of the lifting member, the sliding rail member is fixed on the two sides of the front side of the distance reference plate, the two sides of the clamping member are slidably connected with the sliding rail member through the connecting member, and the fixing support plate is arranged on the front side of the clamping member.

[0009] Further, the translation member comprises a first motor, a guide rail sliding table, a transmission screw and a sliding block, the transmission screw is arranged in the guide rail sliding table, the first motor is arranged on one side of the guide rail sliding table and is in transmission connection with the transmission screw, the sliding block is sleeved on the transmission screw and is in sliding connection with the guide rail sliding table, and the bottom end of the support frame is fixed with the sliding block.

[0010] Further, the rotating member comprises a second motor, a driving wheel, a driven wheel, a belt and a rotating rod, the second motor is mounted in the support frame, the driving wheel is fixed on the driving shaft of the second motor, the rotating rod is rotatably mounted on the front side of the support frame, the driven wheel is fixed on one end of the rotating rod, the driving wheel and the driven wheel are located on the same side and are in transmission connection through the belt, and the clamping turntable is fixed with the rotating rod.

[0011] Further, the top of the support frame is provided with an illumination intensity sensor, and the back side of the clamping turntable is fixedly provided with an angle sensor.

[0012] Further, the middle part of the distance reference plate is provided with a shooting window, and the back side of the distance reference plate is provided with an LED lamp plate.

[0013] Further, the front side of the box body is provided with a main cabin door, operation openings are arranged on the left and right sides of the main cabin door and close to the main cabin door, the upper part of the main cabin door is provided with a display screen, and the display screen is electrically connected with the power module assembly.

[0014] The beneficial effects of the utility model lie in:

[0015] (1) The recognition rate test device of the utility model realizes the clamping and fixing and height adjustment of the image acquisition instrument of different specifications through the acquisition instrument fixing assembly, so as to ensure that the camera can normally shoot through the shooting window and obtain the content of the standard VIN code plate; meanwhile, the distance adjustment between the measured image acquisition instrument and the standard VIN code plate, the adjustment of the light intensity inside the device and the angle adjustment of the standard VIN code plate are realized through the standard plate adjusting assembly, so as to verify the data acquisition accuracy and recognition rate of the measured image acquisition instrument of different specifications, and then ensure the image quality collected, avoid various problems caused by inaccurate collection, and be suitable for the image acquisition instrument of different specifications of vehicle identification code.

[0016] (2) The angle adjustment and distance adjustment of the recognition rate test device of the utility model are realized through the transmission of the motor, and the corresponding angle sensor, light intensity sensor and distance sensor (grating ruler) can realize the adjustment control of the corresponding variable, so as to improve the verification work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the overall structure diagram of the utility model Figure 1 ;

[0018] Figure 2 It is the overall structure diagram of the utility model Figure 2 ;

[0019] Figure 3 It is the internal structure diagram of the utility model Figure 1 ;

[0020] Figure 4 It is the internal structure diagram of the utility model Figure 2 ;

[0021] Figure 5 It is the structure diagram of the standard plate adjusting assembly of the utility model.

[0022] Figure 6 It is the structure diagram of the acquisition instrument fixing assembly of the utility model.

[0023] In the figure, 1 is a box, 11 is a main cabin door, 111 is a display screen, 12 is an operation port, 13 is a secondary cabin door, 14 is a communication serial port, 15 is an antenna, 16 is a power switch, 2 is a power module assembly, 3 is a standard plate adjusting assembly, 31 is a translation piece, 311 is a first motor, 312 is a guide rail sliding table, 313 is a transmission screw, 314 is a sliding block, 32 is a support frame, 33 is a rotating piece, 331 is a second motor, 332 is a driving wheel, 333 is a driven wheel, 334 is a belt, 335 is a rotating rod, 34 is a standard VIN code plate, 35 is a clamping turntable, 36 is a grating ruler, 361 is a reading head, 37 is an illumination intensity sensor, 38 is an angle sensor, 4 is a collection instrument fixing assembly, 41 is a lifting piece, 42 is a sliding rail piece, 43 is a connecting piece, 44 is a fixed support plate, 45 is a clamping piece, 5 is a distance reference plate, 51 is a shooting window, 52 is an LED lamp plate, 6 is a collection instrument. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] As shown in the accompanying drawings, Figures 1-6 In the embodiments of the utility model, a vehicle identification code image collection instrument identification rate test device, including box 1 and install in box 1 power module assembly 2, standard plate adjusting assembly 3, collection instrument fixing assembly 4 and distance reference plate 5, the distance reference plate 5 is fixed in box 1 and will box 1 the internal space is divided into collection instrument placement area and standard plate adjusting area, the collection instrument fixing assembly 4 is located in collection instrument placement area and with distance reference plate 5 is pasted, the standard plate adjusting assembly 3 and power module assembly 2 all are located in standard plate adjusting area and with distance reference plate 5 is spaced apart and is arranged, the power module assembly 2 with standard plate adjusting assembly 3 is electrically connected.

[0026] The standard plate adjusting assembly 3 includes translation piece 31, support frame 32, rotating piece 33, standard VIN code plate 34, clamping turntable 35 and grating ruler 36, the support frame 32 is fixed on translation piece 31, the rotating piece 33 is installed on support frame 32, the clamping turntable 35 is fixed on the front side of rotating piece 33, the standard VIN code plate 34 is fixed in clamping turntable 35, the grating ruler 36 is spaced apart and is located on one side of translation piece 31, the bottom side of support frame 32 and the outside of reading head 361 of grating ruler 36 are fixed, the translation piece 31, rotating piece 33 and grating ruler 36 are electrically connected with power module assembly 2 respectively.

[0027] The translation member 31 can be used to control the linear translation of the support frame 32, and the rotation member 33 can be used to control the rotation of the clamping turntable 35, thereby simulating the different angle shooting environment of the standard VIN code plate 34; the standard VIN code plate 34 is used as a standard plate and has different size specifications, which are used to verify the size restoration accuracy of the detected equipment, and the clamping turntable 35 can be replaced and fixed by tightening the screws.

[0028] Specifically, when the translation member 31 controls the support frame 32 to move linearly, it drives the reading head 361 to slide in the main body of the grating ruler 36, so that the distance value of the support frame 32 and the rotation member 33 can be collected, and then the distance from the different measured image collector to the standard VIN code plate 34 can be set through the screen.

[0029] The collector fixing assembly 4 includes a lifting member 41, a sliding rail member 42, a connecting member 43, a fixed support plate 44, and a clamping member 45. The bottom of the lifting member 41 is fixed to the inner bottom plate of the box body 1, and the clamping member 45 is fixed to the top of the lifting member 41. The sliding rail member 42 is fixed at intervals on the front sides of both sides of the reference plate 5, and the two sides of the clamping member 45 are respectively connected with the sliding rail member 42 through the connecting member 43. The fixed support plate 44 is arranged on the front side of the clamping member 45.

[0030] Specifically, the lifting member 41 adopts a cross-type lifting structure controlled by a hand wheel, and the clamping member adopts a clamping structure formed by a screw rod and a clamping plate controlled by a hand wheel.

[0031] Specifically, the hand wheel of the lifting member 41 is installed outside the box body 1, and the height of the clamped measured image collector can be controlled and adjusted from the outside to ensure that the camera of the measured image collector can normally pass through the shooting window to take a photo of the content of the standard VIN code plate. The measured image collector can be placed on the fixed support plate 44 and clamped and fixed by adjusting the hand wheel of the clamping member 45. It can realize the clamping of different size measured image collectors. The cooperation of the sliding rail member 42 and the connecting member 43 can provide stable guidance for the lifting member 41 and the clamping member 45 during lifting, ensuring the accuracy and straightness of the movement direction.

[0032] Referring to Figure 5 , the translation member 31 includes a first motor 311, a guide rail sliding table 312, a transmission screw 313, and a sliding block 314. The transmission screw 313 is arranged in the guide rail sliding table 312, the first motor 311 is arranged on one side of the guide rail sliding table 312 and is in transmission connection with the transmission screw 313, the sliding block 314 is sleeved on the transmission screw 313 and is in sliding connection with the guide rail sliding table 312, and the bottom end of the support frame 32 is fixed with the sliding block 314. The first motor 311 controls the rotation of the transmission screw 313, so that the sliding block 314 moves in the guide rail sliding table, and then drives the support frame 32 to move.

[0033] Specifically, the upper part of the support frame 32 is provided with a mounting groove, and the front side of the mounting groove is symmetrically provided with an extension rod.

[0034] With reference to Figure 5 , the rotating member 33 comprises a second motor 331, a driving wheel 332, a driven wheel 333, a belt 334 and a rotating rod 335, the second motor 331 is installed in the mounting groove of the support frame 32, the driving wheel 332 is fixed on the driving shaft of the second motor 331, the rotating rod 335 is rotatably installed in the extension rod on the front side of the support frame 32, the driven wheel 333 is fixed on one end of the rotating rod 335, the driving wheel 332 and the driven wheel 333 are located on the same side and are drivingly connected through the belt 334, and the clamping turntable 35 is fixed with the rotating rod 335; the driving wheel 332 is controlled to rotate through the second motor 331, then the driven wheel 333 is driven to rotate through the belt 334, then the rotating rod 335 is driven to rotate through the driven wheel 333, and finally the clamping turntable 35 is driven to rotate.

[0035] The top of the support frame is provided with an illumination intensity sensor 37, which can be used to collect the illumination intensity value inside the device; the back side of the clamping turntable 35 is fixedly provided with an angle sensor 38, which can collect the angle value of the clamping turntable 35 in real time.

[0036] Specifically, the middle part of the distance reference plate 5 is provided with a shooting window 51, which is used for the camera of the measured image collection instrument to shoot the content of the standard VIN code plate 34; the back side of the distance reference plate 5 is installed with two groups of LED lamp plates 52, which are respectively arranged on the upper and lower sides of the shooting window 51, and can provide different illumination intensity environments for the inside of the device, and the specific brightness value can be feedback adjusted in cooperation with the illumination intensity sensor 37.

[0037] The front side of the box body 1 is provided with a main cabin door 11, the left and right sides of which are respectively provided with operation openings 12 close to the main cabin door 11, one side close to the collection instrument placement area is provided with a secondary cabin door 13 for replacing the standard VIN code plate 34, one side close to the collection instrument placement area is respectively provided with a communication serial port 14, an antenna 15 and a power switch 16, the upper part of the main cabin door 11 is provided with a display screen 111, and the display screen 111, the communication serial port 14, the antenna 15 and the power switch 16 are electrically connected with the power module assembly 2; the display screen 111 can be used to check the equipment state and perform overall equipment control operation, and the operator can put his hand into the inside of the device through the operation opening 12 to perform shooting operation on the clamped measured image collection instrument.

[0038] The utility model has made a detailed description, the above-mentioned, only for the preferred embodiment of the utility model, when cannot limit the utility model implementation range, namely all equal changes and modification that make in the application scope, should still belong to the utility model cover range.

Claims

1. A test device for the recognition rate of a vehicle identification number image acquisition instrument, characterized in that: The box comprises a box body and a power module assembly, a standard plate adjusting assembly, an acquisition instrument fixing assembly and a distance reference plate installed in the box body, the distance reference plate is fixed in the box body and divides the internal space of the box body into an acquisition instrument placement area and a standard plate adjusting area, the acquisition instrument fixing assembly is arranged in the acquisition instrument placement area and is attached to the distance reference plate, and the power module assembly and the standard plate adjusting assembly are both arranged in the standard plate adjusting area and are spaced apart from the distance reference plate, and the power module assembly is electrically connected with the standard plate adjusting assembly.

2. The vehicle identification code image acquisition device recognition rate test apparatus according to claim 1, characterized by: The standard plate adjusting assembly comprises a translation member, a support frame, a rotating member, a standard VIN code plate, a clamping turntable and a grating ruler, the support frame is fixed on the translation member, the rotating member is arranged on the support frame, the clamping turntable is fixed on the front side of the rotating member, the standard VIN code plate is fixed in the clamping turntable, the grating ruler is arranged on one side of the translation member, the bottom side of the support frame is fixed to the outside of the reading head of the grating ruler, and the translation member, the rotating member and the grating ruler are electrically connected with the power module assembly.

3. The apparatus according to claim 1, wherein: The acquisition instrument fixing assembly comprises a lifting member, a sliding rail member, a connecting member, a fixed support plate and a clamping member, the bottom of the lifting member is fixed to the inner bottom plate of the box body, the clamping member is fixed to the top of the lifting member, the sliding rail member is fixed to the front side of the distance reference plate, the two sides of the clamping member are respectively connected with the sliding rail member through the connecting member, and the fixed support plate is arranged on the front side of the clamping member.

4. The vehicle identification code image acquisition apparatus identification rate test device according to claim 2, characterized by: The translation member comprises a first motor, a guide rail sliding table, a transmission screw and a sliding block, the transmission screw is arranged in the guide rail sliding table, the first motor is arranged on one side of the guide rail sliding table and is in transmission connection with the transmission screw, the sliding block is sleeved on the transmission screw and is in sliding connection with the guide rail sliding table, and the bottom end of the support frame is fixed to the sliding block.

5. The apparatus according to claim 2, wherein: The rotating member comprises a second motor, a driving wheel, a driven wheel, a belt and a rotating rod, the second motor is mounted in the support frame, the driving wheel is fixed on the driving shaft of the second motor, the rotating rod is rotatably mounted on the front side of the support frame, the driven wheel is fixed on one end of the rotating rod, the driving wheel and the driven wheel are located on the same side and are in transmission connection through the belt, and the clamping turntable is fixed to the rotating rod.

6. The apparatus according to claim 2, wherein: The top of the support frame is provided with an illumination intensity sensor, and the back side of the clamping turntable is fixedly provided with an angle sensor.

7. The apparatus according to claim 1, wherein: A shooting window is arranged in the middle of the distance reference plate, and an LED lamp plate is mounted on the back side of the distance reference plate.

8. The apparatus according to claim 1, wherein: A main cabin door is arranged on the front side of the box body, operation openings are arranged on the left and right sides of the main cabin door and close to the main cabin door, a display screen is arranged on the upper part of the main cabin door, and the display screen is electrically connected with the power module assembly.

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