CN216480115U - A device for instrument data acquisition based on machine vision - Google Patents
A device for instrument data acquisition based on machine vision Download PDFInfo
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- CN216480115U CN216480115U CN202122858669.2U CN202122858669U CN216480115U CN 216480115 U CN216480115 U CN 216480115U CN 202122858669 U CN202122858669 U CN 202122858669U CN 216480115 U CN216480115 U CN 216480115U
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Abstract
一种基于机器视觉的仪表数据采集装置，其特征在于，包括工业相机、环形光源、外壳模块、相机角度调节模块、连接支杆模块、显示屏、环式仪器连接器、法兰式仪器连接器。外壳模块包括内底座安装槽、内底座锁死装置，相机角度调节模块包括相机安装板、齿轮后座、调节蜗杆、调节内底座、齿轮中心轴，连接支杆模块包括可拆卸式连接装置、活塞式可调内杆、锁死装置、空心外杆、外杆连接架，环式仪器连接器包括环式仪器连接器主座、环式仪器连接器副座，法兰式仪器连接器包括法兰式仪器连接器连接座、法兰式仪器连接器底板。本实用新型可实现仪表数据的实时精确采集，并为数据传输提供扩展接口，可以克服人工读取数据误差大、效率低等的问题。
An instrument data acquisition device based on machine vision, characterized in that it includes an industrial camera, a ring light source, a housing module, a camera angle adjustment module, a connecting strut module, a display screen, a ring instrument connector, and a flange instrument connector . The housing module includes an inner base mounting slot and an inner base locking device. The camera angle adjustment module includes a camera mounting plate, a gear rear seat, an adjustment worm, an adjustment inner base, and a gear center shaft. The connection strut module includes a detachable connection device, a piston Adjustable inner rod, locking device, hollow outer rod, outer rod connecting frame, ring-type instrument connector includes ring-type instrument connector main seat, ring-type instrument connector sub-seat, flange-type instrument connector includes flange Type instrument connector socket, flange type instrument connector base plate. The utility model can realize real-time and accurate collection of instrument data, and provides an expansion interface for data transmission, which can overcome the problems of large error and low efficiency in manual reading of data.
Description
Technical Field
The project relates to theories and applications of mechanical structure design, electromechanical system automation control, machine vision measurement and the like, is a research of an instrument data intelligent acquisition device based on machine vision, and aims to develop a device for accurately and quickly reading a pointer and a digital display of an experimental instrument by using the machine vision and transmitting data to a target system.
Background
In the current production application, some electronic digital display instruments are integrated in large-scale production equipment and can be better conveyed to portable outdoor measuring equipment and a traditional machine room liquid crystal control panel, but some older equipment need to read the instrument readings and record manually because manufacturers do not design and produce the data transmission function of the internet of things. For the mode of identifying and recording the digital instrument data through human eyes, the input error is easy to occur due to the large workload of human eyes, or the precision of part of data is subjectively left by a recording person and only rough data is recorded, so that the precision of data acquisition is reduced. Meanwhile, the number of instruments and meters of an enterprise is large, and the cost for upgrading by adding a data transmission module is too high. Therefore, it is an effective way to solve these problems to accurately and rapidly recognize the number of readings by an electronic instrument number recognition method.
The instrument is used as main production equipment of experimental enterprises, and the accuracy and efficiency of data acquisition determine the production benefit of the enterprises. This project combines machine vision and internet of things, proposes to research and develop an instrument data intelligence collection system based on machine vision. The device does not need to upgrade and reform the original instrument, and has low coupling with the original instrument system; aiming at different types of instrument data, the identification of a new type of instrument can be realized only by replacing different instrument data and retraining, and the device has universality on pointer type and digital display type instrument data and strong reusability.
SUMMERY OF THE UTILITY MODEL
The utility model provides an instrument data acquisition device based on machine vision, aiming at solving the technical problems of accuracy and high efficiency of reading and transmitting various machine data in the current factory.
The technical scheme adopted for realizing the utility model is as follows: a device for collecting instrument data based on machine vision is characterized by comprising an industrial camera, an annular light source, a shell module, a camera angle adjusting module, a connecting support rod module, a display screen, an annular instrument connector and a flange-type instrument connector; the outer shell module comprises an inner base mounting groove and an inner base locking device; the camera angle adjusting module comprises a camera mounting plate, a gear rear seat, an adjusting worm, an adjusting inner base and a gear central shaft; the connecting strut module comprises a detachable connecting device, a piston type adjustable inner rod, a locking device, a hollow outer rod and an outer rod connecting frame; the ring-type instrument connector comprises a ring-type instrument connector main seat and a ring-type instrument connector auxiliary seat; the flange type instrument connector comprises a flange type instrument connector connecting seat and a flange type instrument connector bottom plate; the industrial camera and the annular light source are installed on the front side of the camera angle adjusting module, the camera angle adjusting module is arranged on the inner side of the shell module, the display screen is installed on the rear side of the shell module, the shell module is arranged on the upper side of the connecting support rod module, and the annular instrument connector or the flange type instrument connector is arranged on the lower side of the connecting support rod module.
The instrument data acquisition device based on machine vision is characterized in that the detachable connecting device of the connecting support rod module is connected with the shell module, the axial angle of the shell module and the axial angle of the connecting support rod module are adjustable, the piston type adjustable inner rod is inserted into the hollow outer rod to be connected, and the radial relative angle and the extending length of the hollow outer rod are adjustable.
The instrument data acquisition device based on machine vision is characterized in that the outer rod connecting frame of the connecting support rod module can be connected with the flange type instrument connector connecting seat of the ring type instrument connector or the flange type instrument connector connecting seat of the flange type instrument connector, and the connecting support rod module is adaptive to different installation and use environments.
The instrument data acquisition device based on machine vision is characterized in that the camera angle adjusting module is coaxially mounted with the outer shell module through an adjusting inner base, the gear rear base is meshed with the adjusting worm, the gear rear base rotates around a gear central shaft, and the top of the adjusting worm is moved left and right, and the adjusting worm rotates to increase two rotational degrees of freedom for the industrial camera.
The instrument data acquisition device based on machine vision is characterized in that the display screen is arranged below the shell module, the direction of the field of view of the industrial camera is opposite to that of the field of view of an operator, and the screen faces the operator when the device works.
The instrument data acquisition device based on machine vision is characterized in that a T-shaped groove structure is arranged in the middle of a protective shell of the shell module, and the adjusting worm penetrates through the T-shaped groove during assembly.
The utility model has the advantages and positive effects that: the instrument data acquisition device based on the machine vision realizes that the machine vision accurately and quickly reads the pointer and the digital display of the experimental instrument, and transmits the data to a target system. The device mainly comprises an industrial camera, an annular light source, a shell module, a camera angle adjusting module, a connecting support rod module, a display screen, an annular instrument connector and a flange type instrument connector. The industrial camera carried by the camera mounting plate can record instrument data of various machines in a non-contact manner and transmit the instrument data to a target system, so that large-batch data reading, transmission and storage are efficiently and massively completed, high-precision instrument data reading is realized, errors of manual reading are reduced, the problem of low efficiency is solved, and the industrial camera is suitable for reading the instrument data of various machines. The connecting support rod module can realize the adjustment of reading distances and angles of machine instruments with different sizes and the connection fixation of reading devices in various environments, and an industrial camera carried by the camera support forms a closed-loop system, so that the accurate instrument data reading and transmission work in various environments is realized. The instrument connector can be fixed in different ways according to different target instruments and different use environments. The data acquisition module can realize the angle free adjustment of the industrial camera and the adjustment of the focusing light source so as to meet the requirements of the definition and the accuracy of reading the dial plate data of different types of machines. In conclusion, the device combines the mechanical design technology with the visual detection signal processing technology, and the accuracy of reading instrument data and the efficiency of data transmission in production are greatly improved.
Drawings
Fig. 1 is a schematic front view of the overall device of the present invention.
Fig. 2 is a schematic front view of the flange type connector of the integrated device of the present invention.
Fig. 3 is a schematic diagram of the internal structure of the position adjustment module according to the present invention.
Fig. 4 is a schematic front structural view of the connecting strut module of the present invention.
Reference numerals: 1-industrial camera, 2-ring light source, 3-housing module, 3-1-protective housing, 3-2-inner base locking device, 4-camera angle adjusting module, 4-1-camera mounting plate, 4-2-gear rear seat, 4-3-adjusting inner base, 4-4-adjusting worm, 4-5-gear central shaft, 5-connecting support rod module, 5-1-detachable connecting device, 5-2-piston type adjustable inner rod, 5-3-locking device, 5-4-hollow outer rod, 5-5-outer rod connecting frame, 6-display screen, 7-ring type instrument connector, 7-1-ring type instrument connector main seat, the device comprises a 7-2-ring type instrument connector auxiliary seat, an 8-flange type instrument connector, an 8-1-flange type instrument connector connecting seat and an 8-2-flange type instrument connector bottom plate.
Detailed Description
For a further understanding of the contents, features and effects of the present invention, the following examples are illustrated in the accompanying drawings and described in the following detailed description:
as shown in figures 1 to 4, the instrument data acquisition device based on machine vision is characterized in that a camera mounting plate 4-1 is connected with the rear end of a gear rear seat 4-2, an industrial camera 1 and an industrial lens are mounted on the camera mounting plate 4-1, the gear rear seat 4-2 and an adjusting worm 4-4 are respectively connected to an adjusting inner base 4-3 through a gear central shaft 4-5 and a worm locking device, a protective shell 3-1 is meshed with the adjusting inner base 4-3, a locking thimble hole mounting bolt on the protective shell 3-1 can lock and fix the adjusting inner base 4-3, and an external display screen 6 is embedded in a groove in the bottom of the protective shell 3-1. The outer rod connecting frame 5-5 is connected with the hollow outer rod 5-4, the piston type adjustable inner rod 5-2 is arranged at the rear end of the hollow outer rod 5-4, and the length and the angle are adjusted and locked through the outer rod locking device. The detachable connecting frame 5-1 is fixed at the rear end of the piston type adjustable inner rod 5-2 through bolts. The outer rod connecting frame 5-5 can be respectively connected with the ring type instrument connector main seat 7-1 and the flange instrument connector connecting seat 8-1.
Preferably, the device is mounted in front of a machine meter or data screen. Before the device starts to work, the camera angle adjusting module 4 is assembled by assembling the fixed gear rear seat 4-2 and the adjusting worm 4-4 through adjusting the structures of the two semicircular rings of the inner base 4-3, and the assembly, the position fixing and the angle fixing of the position adjusting module 4 and the protective shell 3 are completed through the inner base mounting groove, the inner base locking device 3-2 and the annular light source 2 on the protective shell 3-1. The middle of the protective shell 3-1 of the shell module 3 is of a T-shaped groove structure, and the adjusting worm 4-4 penetrates through the T-shaped groove during assembly.
Preferably, the device is mounted in front of a machine meter or data screen. Before the device starts to work, two corresponding instrument connectors 7 and 8 are selected according to the following structures and use environments of a target instrument, namely a tubular structure, a wall type structure and a metal plane type structure, so that the requirements on different installation environments are met. And then the data reading module is connected with the protective shell through a detachable connecting device 5-1 of a connecting support rod module 4, a piston type adjustable inner rod 5-2 is inserted into a hollow outer rod 5-4 to be connected, the radial relative angle and the extending length of the piston type adjustable inner rod and the hollow outer rod are adjustable, the position and the angle are roughly adjusted, a target instrument or a data screen reaches the visual field range of the industrial camera 1, the lens angle of the industrial camera 1 is finely adjusted through an adjusting inner base 4-3, an adjusting worm 4-4 and a gear rear base 4-2 of the camera angle adjusting module 4, the data position and the angle of the target instrument or the data screen can be clearly read, and the camera angle adjusting module 4 is fixed and locked through an inner base locking device 3-2.
Preferably, when the device starts to work, the connecting support rods 5 are connected through the detachable connecting device 5-1 and the outer rod connecting frame 5-5 in a multi-rod (more than two rods including two rods), different connecting support rods 5 are limited through the action of the piston type adjustable inner rod 5-2 and the hollow outer rod 5-4, the rod lengths and the rod connecting angles of different rods are adjusted in space, when the length and the angle of the connecting support rods 5 are adjusted, the piston type adjustable inner rod 5-2 and the hollow outer rod 5-4 are locked through the locking device 5-3, and the spatial position, the length and the connecting angle of the connecting support rods 5 after the multi-rod connection are fixed.
Preferably, when the device starts to work, the display screen 6 is arranged below the shell module 3, the visual field direction of the display screen is opposite to that of the industrial camera 1 and opposite to that of an operator, and the screen faces the operator, so that manual real-time monitoring and data calibration are facilitated.
Preferably, when the device starts to work, the industrial camera 1 with the adjusted position and angle reads data and then timely transmits the data to a target system through a data transmission device (specifically, a raspberry development board is used for development).
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122858669.2U CN216480115U (en) | 2021-11-22 | 2021-11-22 | A device for instrument data acquisition based on machine vision |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122858669.2U CN216480115U (en) | 2021-11-22 | 2021-11-22 | A device for instrument data acquisition based on machine vision |
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| Publication Number | Publication Date |
|---|---|
| CN216480115U true CN216480115U (en) | 2022-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122858669.2U Expired - Fee Related CN216480115U (en) | 2021-11-22 | 2021-11-22 | A device for instrument data acquisition based on machine vision |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117115409A (en) * | 2023-10-24 | 2023-11-24 | 广东埃文低碳科技股份有限公司 | An instrument data collection device and method based on machine vision |
-
2021
- 2021-11-22 CN CN202122858669.2U patent/CN216480115U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117115409A (en) * | 2023-10-24 | 2023-11-24 | 广东埃文低碳科技股份有限公司 | An instrument data collection device and method based on machine vision |
| CN117115409B (en) * | 2023-10-24 | 2024-03-08 | 广东埃文低碳科技股份有限公司 | Instrument data acquisition device and method based on machine vision |
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