CN212513464U - Automatic detection device for mechanical pointer instrument - Google Patents
Automatic detection device for mechanical pointer instrument Download PDFInfo
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- CN212513464U CN212513464U CN202021558261.2U CN202021558261U CN212513464U CN 212513464 U CN212513464 U CN 212513464U CN 202021558261 U CN202021558261 U CN 202021558261U CN 212513464 U CN212513464 U CN 212513464U
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- 238000001514 detection method Methods 0.000 title claims abstract description 34
- 238000012360 testing method Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 11
- 238000007689 inspection Methods 0.000 claims 2
- 238000012795 verification Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 2
- 238000013473 artificial intelligence Methods 0.000 description 1
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Abstract
本实用新型提供一种机械指针式仪表自动检测装置，包括控制器、电脑、标准表、底座、摄像头、标识码扫描器；所述底座上安装控制器、标准表和被检表；摄像头配置为对准标准表和被检表；所述标准表与被检表通过管路相通或电路相连，且标准表与被检表连接同一个测试源；标准表的输出端接入控制器；控制器分别连接电脑和摄像头；所述标识码扫描器与电脑能够通信，用于扫描被检表上的标识码并根据标识码将被检表的信息向电脑发送。本实用新型还提出一种机械指针式仪表的检测方法。本实用新型使机械指针式仪表的计量检定读数实现自动化，测试过程具备可追溯性、杜绝人为因素导致的偏差与失误；提高检测效率。
The utility model provides an automatic detection device for a mechanical pointer type instrument, which comprises a controller, a computer, a standard watch, a base, a camera and an identification code scanner; the base is mounted with a controller, a standard watch and a checked watch; the camera is configured as Align the standard meter and the tested meter; the standard meter and the tested meter are connected through pipelines or circuits, and the standard meter and the tested meter are connected to the same test source; the output end of the standard meter is connected to the controller; the controller The computer and the camera are respectively connected; the identification code scanner can communicate with the computer, and is used to scan the identification code on the inspected table and send the information of the inspected table to the computer according to the identification code. The utility model also proposes a detection method for a mechanical pointer type instrument. The utility model automates the metrological verification reading of the mechanical pointer type instrument, has traceability in the testing process, eliminates deviations and errors caused by human factors, and improves the detection efficiency.
Description
Technical Field
The utility model belongs to the technical field of the measurement technique and specifically relates to a machinery pointer instrument automatic checkout device.
Background
According to the regulations, mechanical pointer type instruments such as pressure gauges and the like need to be measured and verified regularly to ensure that the detected data can meet the required precision requirement; the metering detection is completed in a detection mechanism with related qualification, and a qualified instrument can obtain a metering verification certificate or a metering calibration certificate provided by the qualified detection mechanism.
The traditional detection equipment adopts a detection means of manually reading a meter and manually recording test data, so that the workload is large, the working efficiency is low, the test process cannot be traced, and the deviation and the error caused by human factors are easy to occur.
With the development of artificial intelligence and machine vision technology, in order to improve the working efficiency and standardize the metering and detecting process, the design of an automatic detecting device is particularly urgent in the metering and detecting industry.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides an automatic detection device for a mechanical pointer instrument and a corresponding detection method, so that the metrological verification reading of the mechanical pointer instrument is automated, and the test process has traceability and avoids deviation and error caused by human factors; the detection efficiency is improved.
In a first aspect, an embodiment of the present invention provides an automatic detection device for a mechanical pointer instrument, including a controller, a computer, a standard meter, a base, a camera, and an identification code scanner;
a controller, a standard table and one or more to-be-detected tables are arranged on the base; the camera is configured to align the standard table and the table to be detected;
the standard meter and the detected meter are communicated through a pipeline or connected through a circuit, and the standard meter and the detected meter are connected with the same test source;
the output end of the standard meter is connected with the controller; the controller is respectively connected with the computer and the camera;
the identification code scanner can be communicated with the computer and is used for scanning the identification code of the detected table and sending the identification code to the computer.
Further, after obtaining the identification code of the table to be detected, the computer queries the information of the table to be detected, generates the required measuring point according to the information of the table to be detected and the corresponding detection rule, and sends the measuring point data to the controller.
Furthermore, the standard meter and the detected meter are pressure meters which are communicated through a pipeline and are connected with the same air pressure source or hydraulic pressure source.
Or the standard meter and the detected meter are electric meters which are connected through a line and are connected with the same signal source.
Furthermore, the test source is connected with the controller, and the controller controls the test source to send out test signals corresponding to the test points according to the test point data.
In a second aspect, an embodiment of the present invention provides a detection method for a mechanical pointer instrument, which is applicable to any one of the above methods, the automatic detection device for a mechanical pointer instrument, including the following steps:
step S1, scanning the identification code on the detected table by the identification code scanner and sending the identification code to the computer;
step S2, after obtaining the identification code of the detected table, the computer inquires the information of the detected table, generates the needed measuring point according to the information of the detected table and the corresponding detection regulation, and sends the measuring point data to the controller;
step S3, starting a test source to send test signals corresponding to the test points to the standard table and the tested table at the same time;
step S4, the controller sends a photographing instruction to the camera when the standard table reaches the measurement value each time; the camera correspondingly shoots a picture containing the standard table and the checked table and sends the picture to the computer;
and step S5, the computer identifies the pointer readings of the standard table and the table to be detected in the picture through machine vision processing, converts the pointer readings into corresponding measurement data, judges whether the table to be detected is qualified or not, and stores the detection result.
Further, in step S3, the test source is connected to the controller, and the controller controls the test source to send out the test signal corresponding to the test point according to the test point data.
Further, in step S5, the computer stores the received photographs including the standard table and the table to be checked corresponding to each station, and then performs image recognition, and the pointer readings of the standard table and the table to be checked are converted into corresponding measurement data and then stored.
The utility model has the advantages that: when the detection device is used for detecting the table to be detected, not only can the real-time pictures of the standard table and the table to be detected be automatically shot at each measuring point (a plurality of reading measuring points specified by a detection rule) and the measuring data of the meter can be automatically read from the pictures, but also the measuring data, the pictures and the detection result can be automatically associated and stored with the table to be detected; the detection device can photograph a plurality of tables to be detected only by using one camera, has automatic reading, high working efficiency and convenient operation and use, and can automatically store real-time photos and measurement data of the tables to be detected when measuring points are measured for rechecking and tracing.
Drawings
Fig. 1 is a schematic view of an automatic detection device in an embodiment of the present invention.
Fig. 2 is a schematic view of a camera configuration in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
As shown in fig. 1, an automatic detection device for a mechanical pointer instrument provided in the embodiment of the present invention includes a controller 1, a computer 2, a standard meter 3, a base 4, a camera 6, and an identification code scanner 7;
the base 4 is provided with a controller 1, a standard table 3 and one or more tables to be detected 5; the computer 2 can be arranged on the base 4, and can also be arranged at other positions suitable for operation; the camera 6 is configured to align the standard table 3 and the table 5 to be checked;
the standard meter 3 is communicated with the tested meter 5 through a pipeline or is connected with the tested meter 5 through a circuit, and the standard meter 3 and the tested meter 5 are connected with the same test source (not shown in the figure);
in one embodiment, the standard meter 3 and the detected meter 5 are pressure meters which are communicated through a pipeline and are connected with the same air pressure source or hydraulic pressure source;
in one embodiment, the standard meter 3 and the detected meter 5 are electric meters, are connected through a line, and are connected with the same signal source, such as a voltage signal generator;
in one embodiment, the standard table 3 is communicated or electrically connected with a plurality of tables 5 to be detected through pipelines;
the output end of the standard table 3 is connected to the controller 1; the controller 1 is respectively connected with the computer 2 and the camera 6;
in one embodiment, the controller 1 may employ a single chip or PLC; the camera 6 can take pictures under the control of the single chip microcomputer or the PLC;
the identification code scanner 7 can communicate with the computer 2 and is used for scanning the identification code on the detected table 5 and sending the identification code to the computer 2; after obtaining the identification code of the table 5 to be detected, the computer 2 queries the information of the table 5 to be detected, generates the required measuring point according to the information of the table 5 to be detected and the corresponding detection rule, and sends the measuring point data to the controller 1; the identification code can be a two-dimensional code or a bar code;
the detection procedure for table 5 to be examined is as follows:
step S1, scanning the identification code on the detected table 5 by the identification code scanner 7 and sending the identification code to the computer 2;
step S2, after obtaining the identification code of the table 5 to be detected, the computer 2 inquires the information (measuring range, precision grade, etc.) of the table 5 to be detected, generates the required measuring point according to the corresponding detection rule according to the information of the table 5 to be detected, and sends the measuring point data to the controller 1;
the corresponding measuring points of some tables to be detected can be one or more, for example, whether the reading of the pointer of the table to be detected is correct under a plurality of pressure values needs to be detected;
step S3, starting a test source to simultaneously send test signals corresponding to the test points to the standard table 3 and the tested table 5;
for example, the test source is an air pressure source, the standard meter 3 and the tested meter 5 are pressure meters, and the test source simultaneously sends test air pressure corresponding to a certain test point to the standard meter 3 and the tested meter 5 through a pipeline; the test source can be manually operated by an operator; the test source can also be designed to be connected with the controller 1, and the controller 1 controls the test source to send out test signals corresponding to the test points according to the test point data;
step S4, the controller 1 sends a photographing instruction to the camera 6 when the standard table 3 reaches the measurement value each time; the camera 6 correspondingly shoots the photos containing the standard table 3 and the table 5 to be detected and sends the photos to the computer 2;
step S5, the computer identifies the pointer readings of the standard table 3 and the detected table 5 in the picture through machine vision processing, converts the pointer readings into corresponding measurement data, judges whether the detected table is qualified or not, and stores the detection result;
in the step, the computer stores the received photos which correspond to each measuring point and comprise the standard table 3 and the detected table 5, then carries out image recognition, converts the pointer readings of the standard table 3 and the detected table 5 into corresponding measurement data and stores the measurement data, and judges whether the detected table is qualified or not according to the relevant standard of the detected table.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (5)
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021558261.2U CN212513464U (en) | 2020-07-30 | 2020-07-30 | Automatic detection device for mechanical pointer instrument |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021558261.2U CN212513464U (en) | 2020-07-30 | 2020-07-30 | Automatic detection device for mechanical pointer instrument |
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| CN212513464U true CN212513464U (en) | 2021-02-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751049A (en) * | 2020-07-30 | 2020-10-09 | 江南大学 | Automatic detection device and detection method for mechanical pointer instrument |
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- 2020-07-30 CN CN202021558261.2U patent/CN212513464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111751049A (en) * | 2020-07-30 | 2020-10-09 | 江南大学 | Automatic detection device and detection method for mechanical pointer instrument |
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