CN108007535B - System for be used for gas table assembly line visual function to detect - Google Patents
System for be used for gas table assembly line visual function to detect Download PDFInfo
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- CN108007535B CN108007535B CN201810054051.0A CN201810054051A CN108007535B CN 108007535 B CN108007535 B CN 108007535B CN 201810054051 A CN201810054051 A CN 201810054051A CN 108007535 B CN108007535 B CN 108007535B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
- G01F25/15—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters specially adapted for gas meters
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Abstract
The invention discloses a system for detecting the visual function of a gas meter production line. The system comprises two gas meter conveying production lines which are arranged in parallel, two detection stations are positioned between the two gas meter conveying production lines, the detection stations receive the gas meters to be detected conveyed by the gas meter conveying production lines to be detected for function detection, and the gas meters to be detected are transferred to a gas detection sample production line after the detection is finished; the industrial control computer is connected with the programmable logic controller and transmits a control signal for controlling the work of the pipeline to be detected of the gas meter and processes a detection signal, and the programmable logic controller receives the control signal controlled by the industrial control computer to control the work of the pipeline to be detected of the gas meter; the gas leakage source is connected to the detection station, and the control gas source is connected to the gas meter pipeline to be detected. The invention can automatically complete the automatic measurement of the function of the gas meter and make a qualified judgment, provides an efficient function detection means for the detection of the gas meter, and can be applied to the online function detection of various instruments.
Description
Technical Field
The invention relates to an automatic detection system for a gas meter, in particular to a system for detecting the visual function of a gas meter production line.
Background
The gas meter is a typical metering instrument, and has large and wide product quantity, the functional detection of the gas meter is indispensable in the production link, and the manual detection mode limits the automation level of production. The detection of gas meters by enterprises at the present stage is subdivided into each item, including fixed-gas-flow gas leakage, prepaid card insertion, power on/off, buttons, character wheel rotation and liquid crystal information items, the detection processes are decomposed, manual operation or manual reading is needed, the manual operation cost is high, the automatic detection of the gas meters is seriously restricted, and the automatic control is used for replacing the manual operation, so that the efficiency can be improved; the character and the one-dimensional code data information are recognized by naked eyes, the accuracy of the recognition information depends on the subjective state of workers, and the intelligent recognition of machine vision is used for replacing the human eye recognition, so that the recognition efficiency and the accuracy rate can be improved.
Disclosure of Invention
Aiming at the problems in the existing testing method, the invention aims to provide a system for detecting the visual function of a gas meter production line, which is used for completing the automatic input and output of the gas meter and automatically completing each detection process.
The invention is realized by the following technical scheme:
the system comprises two gas meter conveying production lines which are arranged in parallel, wherein one gas meter conveying production line is a gas meter to-be-detected production line, and the other gas meter conveying production line is a gas sample production line after gas detection;
the gas meter detection system comprises two detection stations, a gas meter detection pipeline and a gas meter detection pipeline, wherein the two detection stations are positioned between the two gas meter conveying pipelines, the detection stations receive the gas meters to be detected conveyed by the gas meter detection pipeline in real time, perform function detection on the gas meters to be detected in the detection stations, and transfer the gas meters to a gas sample detection pipeline after the detection is completed;
the system comprises an industrial control computer, a programmable logic controller and a control station, wherein the industrial control computer is connected with the programmable logic controller and transmits a control signal for controlling the work of a pipeline to be detected of the gas meter, and processes a camera in a detection station and a detection signal of the pipeline to be detected of the gas meter, which is sent by the programmable logic controller;
the system comprises a programmable logic controller and an industrial control computer, wherein the programmable logic controller receives a control signal of the industrial control computer to control the work of a pipeline to be detected of the gas meter;
the gas leakage detection device comprises a gas source, wherein the gas source is divided into a gas leakage source and a control gas source, the gas leakage source is connected to a detection station, and the control gas source is connected to a gas meter to be detected assembly line.
The gas leakage source is connected to the detection station through the gas leakage valve, and the control gas source is connected to the gas meter to-be-detected production line through the manual ball valve.
The air leakage source is a low-pressure air exhaust fan. The control gas source is a gas source for providing control for each execution cylinder used for automatic detection of the gas meter in the detection station.
The gas meter to-be-detected production line and the detected sample production line are respectively used for transmitting the gas meter to be detected and the detected gas meter, the detection station is provided with a detection input manipulator extending towards the gas meter to-be-detected production line and a detection output manipulator extending towards the gas detected sample production line,
the gas table wait to examine the assembly line and be equipped with detection tray, limit switch and lift cylinder, it removes along direction of delivery on arranging the conveyer belt of assembly line in to detect the tray, wait to examine the gas table and fix on detecting the tray, limit switch arranges near the assembly line conveyer belt of detection station side in, detect waiting to examine on the detection tray through limit switch and examine the gas table and reach the detection station side position after, lift the cylinder and lift up the detection tray, will wait to examine the gas table and detect the tray and shift to the detection station in through detecting input manipulator.
The gas meter to-be-detected production line and the gas meter detected sample production line both adopt speed multiplication chains.
The detection station is divided into a detection module and a gas meter clamping device; gas table clamping device includes: the detection station is provided with a gas leakage port for connecting a gas inlet and a gas outlet at the top of the gas meter to be detected, and the detection station is provided with a lower pressing cylinder and a stop block for clamping two sides of the gas meter to be detected; the detection module comprises a visual detection module mainly composed of a camera and a light source and a pneumatic detection execution part mainly composed of a button cylinder, a simulation card inserting thimble mechanism and a simulation battery thimble mechanism; the method comprises the following steps that a camera and a light source are arranged above a gas meter to be detected, the light source irradiates light to the gas meter to be detected, and the camera acquires an image of the surface of the gas meter to be detected; the simulation card inserting thimble mechanism is used for connecting a simulation card connected with a card inserting port of the gas meter to be detected, the simulation battery thimble mechanism is used for connecting a simulation battery of a battery mounting port of the gas meter to be detected, and the button cylinder is arranged on the button cylinder above the gas meter to be detected.
The gas meter to be detected is fixedly arranged on the detection tray through a gas meter clamp.
The detection module also comprises a card-inserting switching circuit which is mainly used for simulating mode switching and programming of the card.
The industrial control computer is connected with the programmable logic controller through a network cable.
The feedback signals of the work of all components in the detection station and the signals collected by the camera are mainly used as the detection signals of the assembly line to be detected of the gas meter, and the industrial control computer receives the detection signals of the assembly line to be detected of the gas meter and processes the signals to obtain the result whether the gas meter is qualified or not.
The invention has the beneficial effects that:
the invention can effectively realize automatic input of the gas meter by utilizing an automatic speed chain assembly line and a mechanical arm, automatically transmit the gas meter to a detection station, automatically output the gas meter after detection, and automatically output the gas meter to the assembly line, and can quickly finish various function detections of gas leakage, prepayment card insertion, power on/off, button, character wheel rotation and liquid crystal information of the gas meter.
Drawings
FIG. 1 is a diagram of the connection structure of the present invention.
Fig. 2 is a structure diagram of a gas meter detection pipeline of the present invention.
Fig. 3 shows a detecting mechanism structure in the detecting station according to the present invention.
FIG. 4 is a top view of the gas meter in the inspection station of the present invention.
In the figure: 1. an industrial control computer, 2, a programmable logic controller, 3, a control gas source, 4, a manual ball valve, 5, a gas leakage gas source, 6, a gas leakage electromagnetic valve, 7, a gas meter to-be-detected production line, 8, a gas meter detected sample production line, 9, a detection station, 10, a detection input manipulator, 11, a lifting cylinder, 12, a detection tray, 13, a double-speed chain, 14, a detection output manipulator, 15, a camera, 16, a simulation card-inserting thimble mechanism, 17, a card-inserting switching circuit, 18, a simulation battery thimble mechanism, 19, a gas meter, 20, a gas leakage port, 21, a pressing cylinder, 22, a simulation battery, 23, a simulation card, 24, a gas meter clamp, 25, a stop block, 26, a detection station lifting mechanism, 27, a light source, 28 and a button cylinder.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1, the present invention is embodied as follows:
the system comprises two gas meter conveying production lines which are arranged in parallel, wherein one gas meter conveying production line is a gas meter to-be-detected production line 7, and the other gas meter conveying production line is a gas sample production line 8 after gas detection;
the gas meter detection system comprises two detection stations 9, wherein the detection stations 9 are positioned between two gas meter conveying pipelines, the detection stations 9 receive gas meters to be detected 19 conveyed by a gas meter pipeline to be detected 7 in real time, the gas meters to be detected 19 are subjected to function detection (whether qualified judgment is made after detection) in the detection stations, and the gas meters to be detected are transferred to a gas sample pipeline 8 after detection is finished;
the industrial control computer 1 is connected with the programmable logic controller 2 and transmits a control signal for controlling the operation of a pipeline to be detected 7 of the gas meter, and processes a camera 15 in a detection station 9 and a detection signal of the pipeline to be detected of the gas meter, which is sent by the programmable logic controller 2;
the system comprises a programmable logic controller 2 and an industrial control computer 1, wherein the industrial control computer 1 is connected to a pipeline 7 to be detected of the gas meter through the programmable logic controller 2, and the programmable logic controller 2 receives a control signal controlled by the industrial control computer 1 to control the pipeline 7 to be detected of the gas meter to work and processes a detection signal of the pipeline to be detected of the gas meter;
including the air supply, the air supply divide into gas source 5 and control air supply 3 that run out, and gas source 5 that run out is connected to and detects station 9, and control air supply 3 is connected to the gas table and waits to examine assembly line 7.
The gas leakage source 5 is connected to the detection station 9 through the gas leakage valve 6, and the control gas source 3 is connected to the gas meter pipeline 7 to be detected through the manual ball valve 4.
The gas meter is to be detected the assembly line 7 and is used for transmitting the gas meter of waiting to be detected and the gas meter after detecting the completion respectively with sample assembly line 8 after detecting, detect station 9 be equipped with to the gas meter wait to detect the detection input manipulator 10 that assembly line 7 extended to arrange and to the gas meter and detect the detection output manipulator 14 that sample assembly line 8 extended to arrange after detecting.
As shown in fig. 2, the gas meter inspection pipeline 7 is provided with a detection tray 12, a limit switch and a lifting cylinder 11, the detection tray 12 is arranged on a conveyor belt of the pipeline and moves along a conveying direction, the gas meter 19 to be inspected is fixed on the detection tray 12 through a gas meter clamp 19, the limit switch is arranged near the conveyor belt of the pipeline on the side of the detection station 9, after the limit switch detects that the gas meter 19 to be inspected on the detection tray 12 reaches the side of the detection station 9, the lifting cylinder 11 lifts the detection tray 12, and the gas meter 19 to be inspected and the detection tray 12 are transferred into the detection station 9 through the detection input manipulator 10.
The assembly line 7 to be detected of the gas meter and the sample assembly line 8 after the gas meter detection both adopt speed multiplication chains 13.
The detection station 9 is divided into a detection module and a gas meter clamping device, and the gas meter to be detected is horizontally and transversely arranged on a detection tray 12.
As shown in fig. 3 and 4, the gas meter clamping device includes: the gas leakage port 20 used for connecting the gas inlet and the gas outlet at the top of the gas meter 19 to be detected is arranged at the detection station 9, the lower pressing cylinder 21 and the stop block 25 used for tightening the two sides of the gas meter 19 to be detected are arranged at the detection station 9, the stop block 25 is arranged at one side of the gas meter 19 to be detected, the lower pressing cylinder 21 is arranged at the other side of the gas meter 19 to be detected, and the lower pressing cylinder 21 works to push the gas meter 19 to be detected to the stop block 25.
As shown in fig. 3 and 4, the detection module includes a visual detection module mainly composed of a camera 15 and a light source 27, and a pneumatic detection execution component mainly composed of a button cylinder 28, a simulated card-inserting thimble mechanism 16, and a simulated battery thimble mechanism 18; the camera 15 and the light source 27 are arranged above the gas meter 19 to be detected, the light source 27 irradiates light to the gas meter 19 to be detected, and the camera 15 acquires an image of the surface of the gas meter 19 to be detected; the simulation card inserting thimble mechanism 16 is used for connecting a simulation card 23 connected with a card inserting port of the gas meter 19 to be detected, the simulation battery thimble mechanism 18 is used for connecting a simulation battery 22 of a battery installing port of the gas meter 19 to be detected, the button cylinder 28 is arranged on the button cylinder 28 above the gas meter 19 to be detected, and the button cylinder 28 works and presses a button of the gas meter 19 to be detected in the detection process of the gas meter 19 to be detected.
The detection module further comprises a card-insertion switching circuit 17, which is mainly used for simulating mode switching and programming of the card 23.
A detection station lifting mechanism 26 is arranged at the bottom of the detection station 9, the detection station lifting mechanism 26 is used for lifting the gas meter to reach the height required by the gas meter detection after the gas meter 19 enters the detection station, and the height required by the detection is mainly used for the gas meter 19 to be in compression fit with the lower pressure cylinder 21; the gas meter simulation battery 22 is in effective contact with the simulation battery thimble mechanism 18 after the cylinder acts; the simulation card 23 is in effective contact with the cylinder of the simulation card-inserting thimble mechanism 16 after action; the button of the gas meter 19 can be effectively pressed after the button cylinder 28 works; the camera 15 captures an image of the gas meter for the effective working distance.
The specific implementation working process of the invention is as follows:
the process of detecting the gas meter in the implementation comprises the following steps: and conveying the gas meter to be detected, detecting the gas meter at the detection station, and outputting the detected gas meter to a production line after the detection is finished.
Conveying of the gas meter to be measured: firstly, the gas meter 19 is provided with a simulation battery 22 and a simulation card 23 in advance and is transmitted through a production line, and the gas meter is fixed on a gas meter clamp 24 on a detection tray 12 of the production line and moves to the vicinity of a detection station 9. Then the proximity switch works, the gas meter bottom plate is blocked by the bottom plate stopper, then the lifting cylinder 11 lifts the gas meter 19 and the detection tray 12 to a certain height, and the conveying manipulator 10 pushes the gas meter bottom plate to push the gas meter and the detection tray 12 into the detection station 9 at the certain height.
Detecting the gas meter at the detection station: the gas meter 19 and the tray are fixed in place under the action of a stop block 25 in the detection station, the detection station lifting mechanism 26 presses the gas meter 19 to the direction of the bottom of the gas meter by the height required by detection of the lifting of the gas meter, the pressing cylinder 21 works, the simulation battery thimble mechanism 18 works, and the upper electricity thimble is in contact with the metal end of the simulation battery 22, so that the gas meter is powered.
Then the light source 27 emits light for irradiation, the camera 15 obtains information of the meter number and the table type number of the gas meter to upload to an upper computer, the simulation battery thimble mechanism 18 is controlled to return, the electrifying thimble is disconnected with the metal end of the simulation battery 22, the gas meter is powered off, the camera 15 captures power-off symbol information of a liquid crystal screen of the gas meter, and if the power-off symbol information is not obtained, the gas meter is judged to be an unqualified product.
The simulation battery thimble mechanism 18 works, the electrifying thimble is contacted with the metal end of the simulation battery 22, so that the gas meter obtains power supply, the plug-in card switcher 17 works, so that the simulation plug-in card thimble mechanism 16 obtains gas leakage information, the simulation plug-in card thimble mechanism 16 works, so that the plug-in card thimble is contacted with the simulation card 23, and the plug-in card 23 plug-in action of the simulation plug-in card is completed, the gas leakage information is burnt to the gas meter 19, the camera 15 captures the gas leakage information of the liquid crystal screen and the opening sign of the gas meter valve, and if the gas leakage information is inconsistent with the set gas leakage information or has no valve opening sign.
Opening a meter inlet gas leakage electromagnetic valve 6, starting gas leakage, capturing gas leakage amount according to a certain frequency by a camera 15 in the gas leakage process, judging that all gas leakage is completed, enabling liquid crystal to generate a dormancy condition in the gas leakage process, enabling a button cylinder 28 to work, pressing a button, stopping dormancy of gas meter liquid crystal, displaying gas leakage information, completing gas meter leakage amount, capturing a gas meter valve closing symbol and gas amount to be 0 information in an image by the camera 15, and judging that the gas meter is an unqualified product if the gas amount is not 0 or has no valve closing symbol.
The card inserting switcher 17 works to enable the simulation card 23 thimble to obtain the prepayment gas quantity information, enable the card inserting thimble to be in contact with the simulation card 23 through the simulation card thimble mechanism 16, finish the card inserting action of the simulation card 23, finish the prepayment gas quantity information to be transmitted to the gas meter, capture the prepayment gas quantity information of the liquid crystal screen and the character wheel information of the gas meter through the camera, judge that the gas meter is an unqualified product if the prepayment gas quantity information is inconsistent with the set gas quantity information, and upload the character wheel information of the gas meter when the detection is. If the products are output after the detection is qualified, the indicating lamp of the detection station is green, and if the products are not qualified after the detection in one step, the indicating lamp of the detection station 9 is red.
The gas meter finishes detecting and outputs the assembly line: and after the gas meter detection is finished, the detection completion output mechanical arm 14 pushes the gas meter 19 and the tray 12 to the detected sample assembly line 8 for qualified sorting, and through the indicator lamp of the detection station 9, a worker manually takes out the unqualified gas meter 19 for secondary inspection.
The system for detecting the visual function of the gas meter assembly line combines the machine visual detection and the automatic control technology, integrates the function detection such as card insertion detection, gas leakage with fixed gas amount, card insertion prepayment, power on/off, button, character wheel rotation, liquid crystal information acquisition and the like of the gas meter into the system efficiently, basically covers the detection of each important function of the gas meter, is used for an industrial field, can reduce the labor capital and greatly improves the detection efficiency.
Claims (8)
1. The utility model provides a system for be used for gas table assembly line visual function to detect which characterized in that:
the system comprises two gas meter conveying production lines which are arranged in parallel, wherein one gas meter conveying production line is a gas meter to-be-detected production line (7), and the other gas meter conveying production line is a gas sample production line (8) after gas detection;
the gas meter detection system comprises two detection stations (9) which are positioned between two gas meter conveying pipelines, wherein the detection stations (9) receive gas meters (19) to be detected which are conveyed by a gas meter production line to be detected (7) in real time, perform function detection on the gas meters (19) to be detected in the detection stations, and transfer the gas meters to a gas detection sample production line (8) after the detection is completed;
the system comprises an industrial control computer (1), a programmable logic controller (2), a data processing unit and a data processing unit, wherein the industrial control computer (1) is connected with the programmable logic controller (2), transmits a control signal for controlling the operation of a to-be-detected gas meter production line (7), and processes a detection signal of the to-be-detected gas meter production line, which is sent by a camera (15) in a detection station (9) and the programmable logic controller (2);
the gas meter detection device comprises a programmable logic controller (2), wherein the programmable logic controller (2) receives a control signal of an industrial control computer (1) to control a to-be-detected gas meter production line (7) to work;
the gas leakage detection device comprises a gas source, wherein the gas source is divided into a gas leakage source (5) and a control gas source (3), the gas leakage source (5) is connected to a detection station (9), and the control gas source (3) is connected to a gas meter to-be-detected production line (7);
the detection station (9) is divided into a detection module and a gas meter clamping device;
the gas meter clamping device comprises a gas leakage port (20), a pressing cylinder (21) and a stopper (25): the detection station (9) is provided with a gas leakage port (20) used for connecting a gas inlet and a gas outlet at the top of the gas meter to be detected (19), and the detection station (9) is provided with a pressing cylinder (21) and a stop block (25) used for clamping two sides of the gas meter to be detected (19);
the detection module comprises a visual detection module mainly composed of a camera (15) and a light source (27) and a pneumatic detection execution part mainly composed of a button cylinder (28), a simulation card-inserting thimble mechanism (16) and a simulation battery thimble mechanism (18); the camera (15) and the light source (27) are arranged above the gas meter to be detected (19), the light source (27) irradiates light to the gas meter to be detected (19), and the camera (15) acquires an image of the surface of the gas meter to be detected (19); the simulation card inserting and ejecting mechanism (16) is used for connecting a simulation card (23) connected with a card inserting port of a gas meter to be detected (19), the simulation battery ejecting mechanism (18) is used for connecting a simulation battery (22) of a battery mounting port of the gas meter to be detected (19), and the button cylinder (28) is arranged above the gas meter to be detected (19);
in the process of detecting the gas meter, a light source (27) emits light and irradiates, a camera (15) obtains information of a meter number and a table type number of the gas meter and uploads the information to an upper computer, a simulation battery thimble mechanism (18) is controlled to return, an electrifying thimble is disconnected with a metal end of a simulation battery (22), the gas meter is powered down, the camera (15) captures power-down symbol information of a liquid crystal screen of the gas meter, and if the power-down symbol information is not obtained, the gas meter is judged to be an unqualified product;
the simulation battery thimble mechanism (18) works, an electrifying thimble is contacted with a metal end of a simulation battery (22) to supply power to the gas meter, the card inserting switcher (17) works to enable the simulation card inserting thimble mechanism (16) to obtain gas leakage information, the simulation card inserting thimble mechanism (16) works to enable a card inserting thimble to be contacted with the simulation card (23) and complete card inserting action of the simulation card inserting (23), the gas leakage information is burnt to the gas meter (19), the camera (15) captures the gas leakage information of the liquid crystal screen and a valve opening symbol of the gas meter, and if the gas leakage information is inconsistent with the set gas leakage information or the valve opening symbol does not exist, the gas meter is judged to be an unqualified product;
opening a meter inlet gas leakage electromagnetic valve (6), starting gas leakage, capturing gas leakage amount by a camera (15) according to a certain frequency in the gas leakage process, judging that all gas leakage is finished, enabling liquid crystal to be in a dormant state in the gas leakage process, enabling a button cylinder (28) to work, pressing a button, stopping dormancy of gas meter liquid crystal, displaying gas leakage information, finishing gas leakage amount of a gas meter, enabling a gas meter valve closing symbol and gas amount to be 0 information in an image captured by the camera (15), and judging that the gas meter is an unqualified product if the gas amount is not 0 or has no valve closing symbol;
the card inserting switcher (17) works to enable the ejector pin of the simulation card (23) to obtain the prepaid gas amount information, the simulation card inserting ejector pin mechanism (16) enables the card inserting ejector pin to be in contact with the simulation card (23), card inserting action of the simulation card (23) is completed, prepaid gas amount information is transmitted to the gas meter, a camera captures prepaid gas amount information of a liquid crystal screen and character wheel information of the gas meter, if the prepaid gas amount information is inconsistent with the set gas amount information, the gas meter is judged to be an unqualified product, and the character wheel information of the gas meter is uploaded when detection is finished; if the products are output after the detection is qualified, the indicating lamp of the detection station is green, and if the products are not qualified after the detection in one step, the indicating lamp of the detection station (9) is red.
2. The system for detecting the visual function of the gas meter production line according to claim 1, wherein: the gas leakage source (5) is connected to a detection station (9) through a gas leakage valve (6), and the control gas source (3) is connected to a gas meter pipeline to be detected (7) through a manual ball valve (4);
the air leakage source is a low-pressure air exhaust fan; the control gas source is a gas source for providing control for each execution cylinder used for automatic detection of the gas meter in the detection station.
3. The system for detecting the visual function of the gas meter production line according to claim 1, wherein: the gas meter to-be-detected production line (7) and the detected sample production line (8) are respectively used for transmitting the gas meter to be detected and the gas meter after detection is completed, the detection station (9) is provided with a detection input manipulator (10) which is arranged to extend towards the gas meter to-be-detected production line (7) and a detection output manipulator (14) which is arranged to extend towards the gas detected sample production line (8),
the gas table wait to examine assembly line (7) and be equipped with and detect tray (12), limit switch and lift cylinder (11), it removes along direction of delivery on arranging the conveyer belt of assembly line in to detect tray (12), wait to examine gas table (19) and fix on detecting tray (12), limit switch arranges near the assembly line conveyer belt that detects station (9) side in, detect through limit switch and wait to examine gas table (19) on detecting tray (12) and arrive behind detecting station (9) side position, lift cylinder (11) and lift up and detect tray (12), will wait to examine gas table (19) and detect tray (12) and shift to detecting station (9) in through detecting input manipulator (10).
4. The system for detecting the visual function of the gas meter production line according to the claim 1 or 3, characterized in that: the gas meter to-be-detected production line (7) and the gas meter detected sample production line (8) both adopt speed doubling chains (13).
5. The system for detecting the visual function of the gas meter production line according to claim 1, wherein: and a detection station lifting mechanism (26) is arranged at the bottom of the detection station (9).
6. The system for detecting the visual function of the gas meter production line according to claim 1, wherein: the gas meter to be detected (19) is fixedly arranged on the detection tray (12) through a gas meter clamp (19).
7. The system for detecting the visual function of the gas meter production line according to claim 1, wherein: the detection module also comprises a card-inserting switching circuit (17) which is mainly used for simulating mode switching and programming of the card (23).
8. The system for detecting the visual function of the gas meter production line according to claim 1, wherein: the industrial control computer (1) is connected with the programmable logic controller (2) through a network cable.
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| CN109377740A (en) * | 2018-09-07 | 2019-02-22 | 浙江极智通信科技股份有限公司 | A kind of wireless smoke detector test macro and method |
| CN112345043A (en) * | 2020-11-24 | 2021-02-09 | 重庆市山城燃气设备有限公司 | Gas meter automatic detection method, system and equipment based on serial port spread spectrum |
| CN112525309A (en) * | 2020-11-24 | 2021-03-19 | 重庆市山城燃气设备有限公司 | Automatic finished table detection method, system and device |
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| CN203479369U (en) * | 2013-08-30 | 2014-03-12 | 重庆瑞力比燃气设备有限责任公司 | Gas meter stopwatch platform |
| CN203869757U (en) * | 2014-05-15 | 2014-10-08 | 金卡高科技股份有限公司 | Online detection device for error curves of diaphragm gas meter cores |
| CN204228244U (en) * | 2014-12-12 | 2015-03-25 | 姜跃炜 | Ultrasonic water meter automatically assembles and detects production line |
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