CN113406552A - Power transformer full-automatic detection system and method based on assembly line - Google Patents
Power transformer full-automatic detection system and method based on assembly line Download PDFInfo
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- CN113406552A CN113406552A CN202110961208.XA CN202110961208A CN113406552A CN 113406552 A CN113406552 A CN 113406552A CN 202110961208 A CN202110961208 A CN 202110961208A CN 113406552 A CN113406552 A CN 113406552A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C9/00—Details of labelling machines or apparatus
- B65C9/02—Devices for moving articles, e.g. containers, past labelling station
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65C—LABELLING OR TAGGING MACHINES, APPARATUS, OR PROCESSES
- B65C9/00—Details of labelling machines or apparatus
- B65C9/26—Devices for applying labels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G17/00—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface
- B65G17/24—Conveyors having an endless traction element, e.g. a chain, transmitting movement to a continuous or substantially-continuous load-carrying surface or to a series of individual load-carriers; Endless-chain conveyors in which the chains form the load-carrying surface comprising a series of rollers which are moved, e.g. over a supporting surface, by the traction element to effect conveyance of loads or load-carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0235—Containers
- B65G2201/0258—Trays, totes or bins
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Abstract
The invention provides a full-automatic detection system and method of a power transformer based on a production line, belonging to the technical field of power transformers. Utilize double-deck doubly fast chain line, convey the tray that will place power transformer to automatic mark station and a plurality of detection station of pasting, automatic mark station pastes the sign code for power transformer, and a plurality of detection stations discernment power transformer's sign code obtains identification data to carry out corresponding detection and obtain detection data to power transformer. The double-layer speed-multiplying chain line and the tray are matched with various power transformers, the detection process of each power transformer is tracked and recorded by the automatic labeling station and the detection station, and efficient, comprehensive and accurate performance detection can be performed on the power transformers.
Description
Technical Field
The invention relates to the technical field of power transformers for metering, in particular to a full-automatic detection system and method of a power transformer based on a production line.
Background
A transformer is a transformer intended to transmit information signals to measuring instruments, meters and protection or control devices or similar electrical appliances. The mutual inductor can change high voltage into low voltage and change large current into small current for measuring or protecting system, and the mutual inductor can also be used for isolating high voltage system to ensure the safety of human body and equipment.
The metering device composed of the power mutual inductor and the electric energy meter is used for metering electric energy, the accuracy of the mutual inductor is related to the fairness and justice of trade settlement among distribution, supply and use, and the reliable operation of the mutual inductor is related to the power utilization safety of a power grid. The power transformers generally include a voltage transformer for metering, a current transformer for metering, and a combined transformer for metering.
The performance of a power transformer product needs to be detected before being offline and before being networked, and because the number of current manufacturers is large, the product model and the quality level are different, how to efficiently detect the transformers with a large number is a technical problem which needs to be solved urgently at present.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a power transformer full-automatic detection system and method based on a production line, which are adaptive to various power transformers and can carry out efficient, comprehensive and accurate performance detection on the power transformers.
In order to achieve the above purposes, the technical scheme is as follows:
a full automatic check out system of power transformer based on assembly line includes:
the mechanical arm is used for grabbing the power transformer and placing the power transformer in the tray, the middle of the tray is provided with a plurality of clamping grooves matched with the power transformer from top to bottom, and the size of the clamping grooves is gradually reduced from top to bottom;
the double-layer speed doubling chain line is used for conveying the tray with the power transformer to an automatic labeling station and a plurality of detection stations;
the automatic labeling station is used for sticking an identification code to the power transformer;
and the detection stations are used for identifying the identification codes of the power transformers to obtain identification data and correspondingly detecting the power transformers to obtain detection data.
Preferably, a material feeding position and a material distributing position are respectively arranged at two ends of the double-layer speed-multiplying chain line;
the double-layer speed-multiplying chain line comprises:
the upper layer conveying chain is arranged between the material feeding position and the material distributing position;
the lower layer conveying chain is arranged between the material feeding position and the material distributing position;
the first lifting mechanism is arranged at the material feeding position and used for conveying the tray between the upper-layer conveying chain and the lower-layer conveying chain;
the second lifting mechanism is arranged at the material distribution position and used for conveying the tray between the upper conveying chain and the lower conveying chain;
and after all the detected power transformers reach the material distribution level, the mechanical arm respectively places the qualified power transformers and the unqualified power transformers in the two trays, the second lifting mechanism conveys the two trays to the lower-layer conveying chain, and the mechanical arm takes out the power transformers in the two trays.
Preferably, the plurality of detection stations include a visual detection station for performing visual detection, a first insulation resistance detection station for performing insulation resistance detection, a power-frequency voltage-withstand detection station for performing power-frequency voltage-withstand detection, a second insulation resistance detection station for performing insulation resistance detection, a voltage error detection station for performing voltage error detection, and a current error detection station for performing current error detection.
Preferably, the visual inspection station comprises:
the control mechanism is used for outputting an image acquisition signal after detecting that the power transformer reaches the visual detection station;
the jacking rotating mechanism is used for lifting and rotating the tray according to the received image acquisition signal;
and the image acquisition mechanism is used for acquiring an appearance image of the power transformer according to the received image acquisition signal and carrying out image identification according to the appearance image to obtain test data.
Preferably, the full-automatic detection system for the power transformer based on the assembly line further includes:
the central console is used for receiving the identification data and the detection data sent by the plurality of detection stations to generate stream data and updating the content of the identification code according to the stream data; and the detection report is generated according to the identification data and the detection data after the power transformer completes all detections.
Preferably, the full-automatic detection system for the power transformer based on the assembly line further includes:
the electronic fence is used for outputting alarm data when detecting that foreign matters enter a preset safety range;
and the central control console receives the alarm data and controls the double-layer speed-multiplying chain line, the mechanical arm, the automatic labeling station and the detection stations to stop working.
Preferably, the identification data includes information related to design, production, purchase, network access and operation management of the power transformer;
the identification data further comprises circulation data of the power transformer.
Preferably, the types of the power mutual inductor comprise a 10KV current mutual inductor, a 10KV voltage mutual inductor, a 20KV current mutual inductor and a 20KV voltage mutual inductor.
A full-automatic detection method of a power transformer based on a production line comprises the following steps:
placing the power transformer in a tray on a double-layer speed-multiplying chain line;
utilize double-deck doubly fast chain line, convey the tray that will place power transformer to automatic mark station and a plurality of detection station of pasting, automatic mark station pastes the sign code for power transformer, and a plurality of detection stations discernment power transformer's sign code obtains identification data to carry out corresponding detection and obtain detection data to power transformer.
Preferably, all detected power transformers are transmitted to a material distribution position by using a double-layer speed multiplying chain line, and the power transformers which are qualified in detection and unqualified in detection are respectively placed in two trays by a mechanical arm;
the power transformers in the two trays are transmitted to a discharging position by using a double-layer speed multiplying chain line, and the power transformers in the two trays are taken out by a mechanical arm;
and (4) conveying the tray without the power transformer to a material conveying position by using the double-layer speed multiplying chain line.
The invention has the beneficial effects that: double-deck doubly fast chain line and the multiple power transformer of tray adaptation utilize the automation that sets up on the transfer path of double-deck doubly fast chain line to paste mark station and detection station, and the testing process of trail record every power transformer can carry out high-efficient, comprehensive and accurate performance detection to power transformer.
Drawings
Fig. 1 is a schematic structural diagram of a full-automatic detection system of a power transformer based on a production line in an embodiment of the present invention.
Fig. 2 is a flowchart of a method for fully automatically detecting a power transformer based on a production line in an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific examples described herein are intended to be illustrative only and are not intended to be limiting. Moreover, all other embodiments that can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort belong to the protection scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1, the invention provides a full-automatic detection system for a power transformer based on an assembly line, which comprises a double-layer speed-multiplying chain line 14, a mechanical arm 3, an automatic labeling station 6 and a plurality of detection stations, wherein the double-layer speed-multiplying chain line 14 is used for conveying a tray arranged on the double-layer speed-multiplying chain line, the middle part of the tray is provided with a plurality of clamping grooves matched with the power transformer from top to bottom, the size of the clamping grooves from top to bottom is gradually reduced, and the power transformer can be accommodated in different types and sizes. Mechanical arm 3 snatchs power transformer and places it in the tray, and double-deck doubly fast chain line 14 conveys the tray of placing power transformer to automatic mark station 6 and a plurality of detection stations of pasting, and automatic mark station 6 pastes the sign code for power transformer, and a plurality of detection stations discernment power transformer's sign code obtains identification data and carries out corresponding detection to power transformer and obtain the detection data. The identification data comprises related information of design, production, purchase, network access and operation management of the power transformer and circulation data of the power transformer.
In this embodiment, double-deck doubly fast chain line 14 and the multiple power transformer of tray adaptation utilize the automatic labeling station 6 and the detection station that set up on double-deck doubly fast chain line 14's transfer path, and the testing process of tracking record every power transformer can carry out high-efficient, comprehensive and accurate performance to power transformer and detect.
Furthermore, the detection requirement on the power transformer does not need manual intervention, and the method has the advantages of high automation degree, high detection efficiency and high intelligent degree. Wherein the voltage grade of the power transformer is 6-20 kv. The required detection items comprise appearance detection, insulation resistance detection, power frequency voltage withstanding detection and error detection, and the weight of the power transformer is not more than 40 kg. Types of power transformers include 10KV current transformers, 10KV voltage transformers, 20KV current transformers, and 20KV voltage transformers. The specific dimensions of the power transformer are shown in the following table:
in the preferred embodiment, the two ends of the double-layer speed chain 14 are respectively provided with a feeding position 1 and a distributing position 2. The double-layer speed doubling chain line 14 comprises an upper layer conveying chain arranged between a feeding position 1 and a distributing position 2, a lower layer conveying chain arranged between the feeding position 1 and the distributing position 2, a first lifting mechanism 4 arranged at the feeding position 1 and a second lifting mechanism 5 arranged at the distributing position 2, and a discharging position is further arranged between the feeding position 1 and the distributing position 2.
In the embodiment, at a feeding position 1, a mechanical arm 3 grabs a power transformer and places the power transformer in an empty tray of an upper-layer conveying chain, the tray with the power transformer is conveyed to an automatic labeling station 6 and a plurality of detection stations to complete detection by using the upper-layer conveying chain, then the tray with the power transformer is conveyed to a material distribution position 2, the power transformers qualified in detection and unqualified in detection are respectively placed in two trays by the mechanical arm 3, the two trays are conveyed to a lower-layer conveying chain by a second lifting mechanism 5, the two trays are conveyed to a material discharge position by using the lower-layer conveying chain, the power transformers in the two trays are taken out by the mechanical arm 3, the empty tray is conveyed to the material conveying position 1 by a subsequent lower-layer conveying chain, and the empty tray is conveyed to the upper-layer conveying chain by a first lifting mechanism 4.
In a preferred embodiment, the plurality of detection stations comprise a visual detection station 7, a first insulation resistance detection station 8, a power frequency withstand voltage detection station 9, a second insulation resistance detection station 10, a voltage error detection station 11 and a current error detection station 12 which are sequentially arranged on the conveying path of the double-layer speed doubling chain line 14.
In this embodiment, before the detection, the power transformer to be detected is placed in the tray of material loading level by the mechanical arm 3 through the gripper, the clamping groove in the tray is matched with the bottom shell of the power transformer, the power transformer is sequentially conveyed to the automatic labeling station 6 visual detection station 7, the first insulation resistance detection station 8, the power frequency withstand voltage detection station 9, the second insulation resistance detection station 10, the voltage error detection station 11 and the current error detection station 12 through the upper-layer conveying chain, and the detected power transformer reaches the material distributing level 2. At the material distributing position 2, the mechanical arm 3 uses the gripper to distribute the detected power transformers into two different trays according to the qualification, and the second lifting mechanism 5 transmits the two trays from the upper layer transmission chain to the lower layer transmission chain. The lower layer conveying chain conveys the two trays to a discharging position, and the mechanical arm 3 takes out the power transformers in the two trays and collects the power transformers in the two trays into respective containing mechanisms. The lower layer conveying chain continuously conveys the two empty trays to the material conveying position 1, the first lifting mechanism 4 and the lower layer conveying chain are both arranged to be U-shaped, and the material conveying position 1 and the material distributing position 2 are located at the opening of the U-shaped.
Furthermore, the gripper of the mechanical arm 3 is provided with a vision system, so that the position of the power transformer can be found, and the gripper can accurately grip the power transformer. The hand grab also has a safety design, if the hand grab touches the power transformer first, certain elastic buffering is provided, and then the mechanical arm 3 stops moving. The gripper also has a rotating mechanism, such as a deflection to adjust the attitude of the gripper in the tray position.
Further, the automatic labeling station 6 is provided with a full-automatic labeling machine which comprises a driving wheel, a labeling wheel and a scroll. The driving wheel intermittently drags the label tape to move, the label tape is pulled out from the reel, and meanwhile, when passing through the label sticking wheel, the label sticking wheel can press the label tape on the power transformer. An open loop displacement control is used on the spool to maintain tension in the label tape, which must be continuously stopped and started because the labels are closely attached to each other on the tape. The label is attached to the power transformer under the condition that the moving speed of the labeling wheel is the same as that of the power transformer. The trays are fed to the labeling machine at a constant speed on the double-layer speed-multiplying chain line 14, the trays are separated by a fixed distance through a fixing device on the double-layer speed-multiplying chain line 14, when the double-layer speed-multiplying chain line 14 reaches a certain specific position, the label tape driving wheel can accelerate to the speed matched with the double-layer speed-multiplying chain line 14, and after the labels are attached, the speed is reduced to stop.
Further, the visual detection station 7 is provided with a control mechanism, a jacking rotating mechanism and an image acquisition mechanism, the control mechanism outputs an image acquisition signal after detecting that the power transformer reaches the visual detection station 7, the jacking rotating mechanism lifts and rotates the tray according to the received image acquisition signal, the image acquisition mechanism acquires an appearance image of the power transformer according to the received image acquisition signal, and image identification is performed according to the appearance image to obtain test data. The image acquisition mechanism comprises a Charge-coupled Device (CCD) industrial camera, an acquisition card, an industrial personal computer and an execution machine.
The control mechanism comprises a position sensor and a Programmable Logic Controller (PLC), the position sensor can detect a tray which reaches the visual detection station 7 and is provided with a power sensor, the position sensor sends an electric pulse signal which indicates that a detected object is detected to the PLC, the PLC calculates according to the electric pulse signal to obtain when the power sensor reaches the front of the CCD industrial camera, and sends an image acquisition signal to the CCD industrial camera and the jacking rotating mechanism when the power transformer reaches the front of the CCD industrial camera, and the CCD industrial camera acquires an appearance image of the power transformer according to the image acquisition signal.
The CCD industrial camera sends the appearance image of the power transformer to the industrial personal computer in the form of a BMP file through the acquisition card, the industrial personal computer calls special analysis tool software to analyze and process the image, a conclusion that whether the detected object meets the preset requirement is obtained, namely test data, and corresponding processing is performed on the power transformer by the execution opportunity according to whether the appearance of the power transformer is qualified.
The jacking rotary mechanism jacks the tray to a preset position after receiving an image acquisition signal, two CCD industrial cameras are respectively arranged on the side surface and the top of the tray, and the camera at the top shoots a wiring terminal and a mark on the top surface of the power transformer to facilitate subsequent judgment of whether cracks exist. Then, every time the tray is driven by the jacking rotating mechanism to rotate 90 degrees, the CCD industrial camera on the side face shoots once, and the CCD industrial camera can be moved to shoot according to the detection requirement in the process. The acquired appearance image can be used for judging whether the secondary terminal and the sign are qualified or not, judging whether cracks exist or not and extracting nameplate information.
The first insulation resistance detection station 8 and the second insulation resistance detection station 10 are both provided with insulation resistance testers. The three surfaces of the primary winding, the secondary winding and the bottom metal shell of the power transformer are provided with terminals, the clamp is pushed by the cylinder to contact the terminals on the three surfaces of the clamp respectively, and the lead is led out through the hollow tube and connected into the insulation resistance tester to realize insulation resistance detection. When the insulation resistance detection is carried out, the insulation resistance of a primary winding (if any) and a secondary winding of the power transformer is not lower than 1500M omega, and the insulation resistance of the secondary winding to a grounded metal shell is not lower than 500M omega.
Because the insulation resistance tester can output 2.5kv of direct current high voltage, an electronic fence is arranged outside the double-layer speed-multiplying chain line 14, and the electronic fence outputs alarm data when detecting that foreign matters enter the preset safety range. The electronic fence can adopt a safety grating array to alarm abnormal activities invading a high-voltage range, and the double-layer speed-multiplying chain line 14 and the insulation resistance tester are emergently braked when alarming.
And a power frequency withstand voltage detection station 9 is provided with a power frequency withstand voltage detection device. The three surfaces of the primary winding, the secondary winding and the bottom metal shell of the power transformer are provided with terminals, the clamp is pushed by the cylinder to contact the terminals on the three surfaces of the power transformer, and the lead is led out through the hollow tube and connected into the insulation resistance tester to realize power frequency voltage withstand detection. When power frequency withstand voltage detection is carried out, the voltage boosting range is 0-75kv, and a power transformer needs to meet the primary power frequency withstand voltage requirement of 6-20kv voltage level.
Because the withstand voltage check out test set of power frequency can output the high pressure of highest 70kv, consequently set up the fence at double-deck doubly fast chain line 14 outside, the fence outputs alarm data when detecting that there is the foreign matter to enter in the preset safety range. The electronic fence can adopt a safety grating array to alarm abnormal activities invading a high-voltage range, and the double-layer speed-multiplying chain line 14 and the power frequency voltage-withstanding detection equipment are emergently braked when alarming.
The voltage error detection station 11 is provided with a voltage error detection device. The three surfaces of the primary winding, the secondary winding and the bottom metal shell of the power transformer are provided with terminals, the clamp is pushed by the cylinder to contact the terminals on the three surfaces of the clamp respectively, and the lead is led out through the hollow tube and connected into the insulation resistance tester to realize voltage error detection. When voltage error detection is carried out, the voltage boosting range is 0-25kv, the precision grade is 0.02s, and the power transformer needs to meet the error detection requirement of 6-20kv voltage grade.
Because the voltage withstand voltage detection equipment can output the high voltage of 25kv at most, an electronic fence is arranged outside the double-layer speed-multiplying chain line 14, and the electronic fence outputs alarm data when detecting that foreign matters enter in a preset safety range. The electronic fence can adopt a safety grating array to alarm abnormal activities invading a high-voltage range, and the double-layer speed-multiplying chain line 14 and the voltage withstand voltage detection equipment are emergently braked when alarming.
The current error detection station 12 is provided with a current error detection device. The three surfaces of the primary winding, the secondary winding and the bottom metal shell of the power transformer are provided with terminals, the clamp is pushed by the cylinder to contact the terminals on the three surfaces of the clamp respectively, and the lead is led out through the hollow tube and connected into the insulation resistance tester to realize current error detection. When the current error detection is carried out, the primary current range is 0-1000A, and the standard precision level is 0.02 s.
In a preferred embodiment, the fully-automatic detection system for the power transformer based on the production line further comprises a central console, which is used for receiving the identification data and the detection data sent by the plurality of detection stations to generate stream data, and updating the content of the identification code according to the stream data. And the detection report is generated according to the identification data and the detection data after the power transformer completes all detections.
The network topology structure of the power transformer full-automatic detection system based on the assembly line is a star network, the central controller 13 is connected with and controls the mechanical arm 3, the double-layer speed doubling chain line 14, the automatic labeling station 6, the plurality of detection stations and the electronic micro-periodical, the Ethernet networking is adopted, and the TCP/IP protocol is followed.
The central controller 13 can be externally connected with a large-screen billboard system, a laser printer, a front-end server, a data server, a two-dimensional code printer, an information software operating platform, a mobile phone tablet and the like, the central controller 13 is internally provided with a centralized control interactive system, a data layer is separated from an application layer by an internal network of the system, and an external network and the internal network are isolated by a firewall, so that the expansibility of services is ensured, and illegal external invasion is prevented.
The centralized control interactive system adopts a B/S mode, collects data and stores the data in a MySql database, the data is converted into a standard xml file format through the database to configure related equipment information, and the data of the report is configured into a standard template, so that automatic loading of a time system and user selection can be realized. And a monitoring management end of the data center mainly realizes service and data support of the system by combining Spring MVC with Mybatis. The detection terminal information of the relevant stations is connected through TCP/IP, and the monitoring end can directly acquire and control acquisition parameters and operation of detection equipment of the stations through Socket.
As shown in fig. 2, the invention also discloses a full-automatic detection method of a power transformer based on a production line, which comprises the following steps:
step S1, the power transformer is placed in the tray on the double-layer speed-multiplying chain line 14.
And step S2, conveying the tray with the power transformer to the automatic labeling station 6 and a plurality of detection stations by using the double-layer speed-multiplying chain line 14. Automatic labeling station 6 pastes the identification code for power transformer, and a plurality of detection stations discernment power transformer's identification code obtains identification data to carry out corresponding detection and obtain the detection data to power transformer.
In the preferred embodiment, the double-layer speed-multiplying chain line 14 is used for transmitting all detected power transformers to the material distributing position 2, and the mechanical arm 3 is used for respectively placing the power transformers which are detected to be qualified and the power transformers which are detected to be unqualified in the two trays. And the power transformers in the two trays are conveyed to a discharging position by using the double-layer speed-multiplying chain line 14, and the power transformers in the two trays are taken out by the mechanical arm 3. The tray without the power transformer is conveyed to the feeding position 1 by the double-layer speed multiplying chain line 14.
In a preferred embodiment, the plurality of detection stations comprise a visual detection station 7, a first insulation resistance detection station 8, a power frequency withstand voltage detection station 9, a second insulation resistance detection station 10, a voltage error detection station 11 and a current error detection station 12.
In this embodiment, adopt full-automatic double-deck doubly fast chain line 14, the data plate information of automatic identification power transformer, the automatic identification code that pastes, automatic wiring, the automatic rising of stepping up flows, automatic monitoring, automatic judgement, automatic emergency braking, automatic sorting, automatic data acquisition, automatic storage data, go out the detection report automatically, whole journey need not artificial intervention. The system runs at the beat of 2 minutes, and 30 power transformers can be detected every hour.
A set of light, machine and electricity integrated intelligent detection system is built based on an image recognition technology, an Internet of things technology, a mobile Internet technology and a cloud technology.
The TCP/IP protocol is adopted, networking is convenient, functions or modules of system hardware can be increased and decreased, software is built according to a three-layer framework, and functions of data application can be developed for the second time.
The present invention is not limited to the above-described embodiments, and it will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements are also considered to be within the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. The utility model provides a full automatic check out system of power transformer based on assembly line which characterized in that includes:
the mechanical arm is used for grabbing the power transformer and placing the power transformer in the tray, the middle of the tray is provided with a plurality of clamping grooves matched with the power transformer from top to bottom, and the size of the clamping grooves is gradually reduced from top to bottom;
the double-layer speed doubling chain line is used for conveying the tray with the power transformer to an automatic labeling station and a plurality of detection stations;
the automatic labeling station is used for sticking an identification code to the power transformer;
and the detection stations are used for identifying the identification codes of the power transformers to obtain identification data and correspondingly detecting the power transformers to obtain detection data.
2. The assembly line-based power transformer full-automatic detection system of claim 1, wherein a feeding position and a distributing position are respectively arranged at two ends of the double-layer speed-multiplying chain line;
the double-layer speed-multiplying chain line comprises:
the upper layer conveying chain is arranged between the material feeding position and the material distributing position;
the lower layer conveying chain is arranged between the material feeding position and the material distributing position;
the first lifting mechanism is arranged at the material feeding position and used for conveying the tray between the upper-layer conveying chain and the lower-layer conveying chain;
the second lifting mechanism is arranged at the material distribution position and used for conveying the tray between the upper conveying chain and the lower conveying chain;
and after all the detected power transformers reach the material distribution level, the mechanical arm respectively places the qualified power transformers and the unqualified power transformers in the two trays, the second lifting mechanism conveys the two trays to the lower-layer conveying chain, and the mechanical arm takes out the power transformers in the two trays.
3. The fully automatic detection system for power transformers based on assembly line of claim 1, wherein said plurality of detection stations comprises a visual detection station for performing visual detection, a first insulation resistance detection station for performing insulation resistance detection, a power frequency voltage withstand detection station for performing power frequency voltage withstand detection, a second insulation resistance detection station for performing insulation resistance detection, a voltage error detection station for performing voltage error detection, and a current error detection station for performing current error detection.
4. The fully automated pipeline-based detection system for power transformers according to claim 3, wherein said visual detection station comprises:
the control mechanism is used for outputting an image acquisition signal after detecting that the power transformer reaches the visual detection station;
the jacking rotating mechanism is used for lifting and rotating the tray according to the received image acquisition signal;
and the image acquisition mechanism is used for acquiring an appearance image of the power transformer according to the received image acquisition signal and carrying out image identification according to the appearance image to obtain test data.
5. The pipeline-based power transformer fully-automatic detection system according to claim 1, wherein the pipeline-based power transformer fully-automatic detection system further comprises:
the central console is used for receiving the identification data and the detection data sent by the plurality of detection stations to generate stream data and updating the content of the identification code according to the stream data; and the detection report is generated according to the identification data and the detection data after the power transformer completes all detections.
6. The pipeline-based power transformer fully-automatic detection system according to claim 5, wherein the pipeline-based power transformer fully-automatic detection system further comprises:
the electronic fence is used for outputting alarm data when detecting that foreign matters enter a preset safety range;
and the central control console receives the alarm data and controls the double-layer speed-multiplying chain line, the mechanical arm, the automatic labeling station and the detection stations to stop working.
7. The fully automatic pipeline-based detection system for power transformers according to claim 5, wherein said identification data comprises information related to design, production, procurement, networking, and operational management of power transformers;
the identification data further comprises circulation data of the power transformer.
8. The fully automatic detection system for power transformers based on assembly lines according to claim 1, characterized in that the types of power transformers comprise 10KV current transformers, 10KV voltage transformers, 20KV current transformers and 20KV voltage transformers.
9. A full-automatic detection method for a power transformer based on a production line is characterized by comprising the following steps:
placing the power transformer in a tray on a double-layer speed-multiplying chain line;
utilize double-deck doubly fast chain line, convey the tray that will place power transformer to automatic mark station and a plurality of detection station of pasting, automatic mark station pastes the sign code for power transformer, and a plurality of detection stations discernment power transformer's sign code obtains identification data to carry out corresponding detection and obtain detection data to power transformer.
10. The pipeline-based power transformer full-automatic detection method of claim 9,
the double-layer speed multiplying chain line is utilized to transmit all detected power transformers to a material distribution level, and the mechanical arm respectively places the power transformers which are qualified in detection and unqualified in detection into two trays;
the power transformers in the two trays are transmitted to a discharging position by using a double-layer speed multiplying chain line, and the power transformers in the two trays are taken out by a mechanical arm;
and (4) conveying the tray without the power transformer to a material conveying position by using the double-layer speed multiplying chain line.
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| CN114089254A (en) * | 2021-11-19 | 2022-02-25 | 国家电网公司 | Power transformer multi-path automatic on-site detection system and method based on Internet of things |
| CN117455860A (en) * | 2023-10-26 | 2024-01-26 | 宁波市宇星水表有限公司 | Water meter delivery data monitoring management system |
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