CN113945868B - Transformer testing device - Google Patents
Transformer testing device Download PDFInfo
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- CN113945868B CN113945868B CN202111264297.9A CN202111264297A CN113945868B CN 113945868 B CN113945868 B CN 113945868B CN 202111264297 A CN202111264297 A CN 202111264297A CN 113945868 B CN113945868 B CN 113945868B
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- 238000012360 testing method Methods 0.000 title claims abstract description 183
- 239000000463 material Substances 0.000 claims abstract description 79
- 238000007599 discharging Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims 9
- 238000000429 assembly Methods 0.000 claims 9
- 230000008859 change Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000004804 winding Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000011056 performance test Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010079 rubber tapping Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/62—Testing of transformers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/72—Testing of electric windings
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
In the embodiment of the application, the transformer testing device is connected with the blanking assembly through the sorting assembly, the detachable material assembly is arranged on the conveying assembly, the testing assembly is arranged above the detachable material assembly, and the detachable assembly is arranged on the testing assembly; the detachable material assembly is fed to the conveying assembly through the feeding assembly, the control assembly is used for downwards moving the detachable assembly on the testing assembly to test the transformer, the control assembly is used for controlling the sorting assembly to pick out the unqualified transformer, and the blanking assembly is used for blanking the qualified transformer. Through the detachable assembly with can dismantle the material subassembly for when the device needs the different transformers of test, only need change can dismantle the test block on the detachable assembly, different transformers use different material dish can, the device has the universality, can adapt to different transformers.
Description
Technical Field
The invention relates to the field of mechanical testing equipment, in particular to a transformer testing device.
Background
The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and the main components are a primary coil, a secondary coil and a magnetic core, and the transformer has the main functions of: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization, etc., are one of the main devices in the power system. The performance of the transformer directly affects the safe operation of the power system, so the testing of the transformer is particularly important. The detection of the transformer comprises measuring the direct current resistance of the transformer winding and the sleeve so as to check the welding quality of the wire joint inside the winding, the welding quality of the lead wire and the winding joint, whether the tapping position of the voltage tapping switch and the contact between the lead wire and the sleeve are good, whether the parallel branch circuit is connected correctly, whether the current carrying part of the transformer has a short circuit condition or not and whether the winding has a short circuit phenomenon or not, and whether the tapping switch is in a correct position or not.
In order to improve the testing efficiency, the prior art generally adopts a comprehensive tester to measure all parameters of a transformer at the same time, the comprehensive tester comprises a feeding unit, a testing unit and a classification blanking unit, the feeding unit conveys the transformer to be tested to the testing unit, the testing unit comprehensively tests all parameters of the transformer, and the transformer is divided into qualified products and unqualified products according to the testing result and classified and blanked by the classification blanking unit.
However, the comprehensive tester in the prior art has the following defects that the performance testing devices of different transformers cannot be replaced, the comprehensive tester cannot adapt to different transformers, and the testing devices and the material devices cannot be replaced at the same time.
Disclosure of Invention
In view of the foregoing, embodiments of the present invention have been developed to provide a transformer testing device that overcomes, or at least partially solves, the foregoing problems.
The embodiment of the invention discloses a transformer testing device, which comprises a control device, a rack, a feeding assembly, a testing assembly, a conveying assembly, a discharging assembly, a detachable material assembly and a sorting assembly, wherein the sorting assembly is used for picking out a transformer which is unqualified in testing;
the control device is respectively and electrically connected with the test assembly, the transmission assembly and the sorting assembly; the feeding assembly, the conveying assembly, the testing assembly, the sorting device, the detachable material assembly and the discharging assembly are arranged in the rack;
The starting end of the conveying assembly is provided with the feeding assembly, the terminal of the conveying assembly is connected with the discharging assembly through the sorting assembly, the conveying assembly is provided with the detachable material assembly, the testing assembly is arranged above the detachable material assembly, and the testing assembly is provided with the detachable assembly;
When the device operates, the transformer is placed in the detachable material assembly, the control device controls the conveying assembly, the detachable material assembly is fed to the conveying assembly through the feeding assembly, the control assembly downwards moves and tests the transformer through the detachable assembly on the testing assembly, the control assembly controls the sorting assembly to pick out the unqualified transformer, and the blanking assembly discharges the qualified transformer.
Preferably, the detachable component comprises a telescopic cylinder, a sliding rail component, a moving component, a fixing frame and a detachable test block for testing the performance of the transformer;
The control device is respectively and electrically connected with the telescopic cylinder and the detachable test block, the lower part of the telescopic cylinder is connected with the sliding rail assembly, one surface of the sliding rail assembly is connected with the moving assembly, the other surface of the sliding rail assembly is connected with the fixing frame, and the detachable test block is arranged on the moving assembly; wherein at least one detachable test block is arranged;
The movable assembly is connected with the detachable test block through a detachable device;
When the device operates, the detachable test block is inserted into the movable assembly, the control device controls the telescopic cylinder to drive the movable assembly to reciprocate on the sliding rail assembly, and drives the detachable test block on the movable assembly to reciprocate, so that the detachable test block performs performance test on the transformer.
Preferably, the detachable device comprises grooves/clamping protrusions arranged on two sides of the detachable test block and clamping protrusions/grooves arranged on the moving assembly;
The clamping convex is matched with the groove.
Preferably, the detachable material assembly comprises a chassis, a connecting device and a material tray for accommodating the transformer; the material tray is connected with the chassis through the connecting device; wherein the connecting device is provided with at least two groups;
the connecting device comprises a first connecting piece arranged on the material tray and a second connecting piece arranged on the chassis; the first connecting piece is in buckling connection with the second connecting piece.
Preferably, the second connector includes a first protrusion and a second protrusion; the middle part of the first connecting piece is recessed in the two sides connected with the second connecting piece;
The first protruding part and the second protruding part are oppositely arranged, and a space for accommodating the first connecting piece is arranged between the first protruding part and the second protruding part.
Preferably, the conveyor assembly comprises a first conveyor belt and a second conveyor belt;
the first conveyor belt and the second conveyor belt are arranged in parallel, and two sides of the chassis are respectively connected with the first conveyor belt and the second conveyor belt.
Preferably, the test assembly comprises a high voltage test assembly, an inter-turn test assembly, a bias current test assembly and a comprehensive test assembly;
The high-voltage testing assembly, the inter-turn testing assembly, the bias current testing assembly and the comprehensive testing assembly are all provided with the detachable assembly.
Preferably, the frame outer side is provided with the frame outer cover.
Preferably, the frame cover includes an upper cover and a lower cover;
The upper outer cover is connected with the lower outer cover through the rack.
Preferably, the sorting assembly comprises a sorting motor and a manipulator electrically connected with the sorting motor.
The application has the following advantages:
The device comprises a control device, a rack, a feeding assembly, a testing assembly, a conveying assembly, a discharging assembly, a detachable material assembly and a sorting assembly for picking out the transformers which are unqualified in testing; the control device is respectively and electrically connected with the test assembly, the transmission assembly and the sorting assembly; the feeding assembly, the conveying assembly, the testing assembly, the sorting device, the detachable material assembly and the discharging assembly are arranged in the rack; the starting end of the conveying assembly is provided with the feeding assembly, the terminal of the conveying assembly is connected with the discharging assembly through the sorting assembly, the conveying assembly is provided with the detachable material assembly, the testing assembly is arranged above the detachable material assembly, and the testing assembly is provided with the detachable assembly; when the device operates, the transformer is placed in the detachable material assembly, the control device controls the conveying assembly, the detachable material assembly is fed to the conveying assembly through the feeding assembly, the control assembly downwards moves and tests the transformer through the detachable assembly on the testing assembly, the control assembly controls the sorting assembly to pick out the unqualified transformer, and the blanking assembly discharges the qualified transformer. Through the detachable assembly with can dismantle the material subassembly for when the device needs the different transformers of test, only need change can dismantle the test block on the detachable assembly, different transformers use different material dish can, the device has the universality, can adapt to different transformers.
Drawings
In order to more clearly illustrate the technical solutions of the present application, the drawings that are needed in the description of the present application will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort to a person skilled in the art.
FIG. 1 is a schematic diagram of a transformer testing device according to the present invention;
FIG. 2 is a schematic diagram of a testing assembly of a transformer testing device according to the present invention;
FIG. 3 is a schematic diagram of a removable material assembly of a transformer testing device of the present invention;
1. A detachable assembly; 11. a telescopic cylinder; 12. a slide rail assembly; 13. a fixing frame; 14. a detachable test block; 2. a detachable material assembly; 21. a chassis; 22. a material tray; 23. and a connecting device.
Detailed Description
In order that the manner in which the above recited objects, features and advantages of the present application are obtained will become more readily apparent, a more particular description of the application briefly described above will be rendered by reference to the appended drawings. It will be apparent that the described embodiments are some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1, a schematic structural diagram of a transformer testing device of the present invention is shown, and may specifically include the following structures: the device comprises a control device, a frame, a feeding assembly, a testing assembly, a conveying assembly, a discharging assembly, a detachable material assembly 2 and a sorting assembly for picking out the transformers which are unqualified in testing; the control device is respectively and electrically connected with the test assembly, the transmission assembly and the sorting assembly; the feeding assembly, the conveying assembly, the testing assembly, the sorting device, the detachable material assembly 2 and the discharging assembly are arranged in the rack; the starting end of the conveying assembly is provided with the feeding assembly, the terminal of the conveying assembly is connected with the discharging assembly through the sorting assembly, the conveying assembly is provided with the detachable material assembly 2, the testing assembly is arranged above the detachable material assembly 2, and the testing assembly is provided with the detachable assembly 1; when the device operates, the transformer is placed in the detachable material assembly 2, the control device controls the conveying assembly, the detachable material assembly 2 is fed to the conveying assembly through the feeding assembly, the control assembly downwards moves the detachable assembly 1 on the testing assembly to test the transformer, the control assembly controls the sorting assembly to pick out the unqualified transformer, and the blanking assembly discharges the qualified transformer. Through can dismantle subassembly 1 with can dismantle material subassembly 2 for when the device needs the different transformers of test, only need change can dismantle the test block 14 on the subassembly 1 can, different transformers use different material dish 22 can, the device has universality, can adapt to different transformers.
In the embodiment of the application, the control device, the rack, the feeding assembly, the testing assembly, the conveying assembly, the discharging assembly, the detachable material assembly 2 and the sorting assembly for picking out the transformers which are unqualified in test are used; the control device is respectively and electrically connected with the test assembly, the transmission assembly and the sorting assembly; the feeding assembly, the conveying assembly, the testing assembly, the sorting device, the detachable material assembly 2 and the discharging assembly are arranged in the rack; the starting end of the conveying assembly is provided with the feeding assembly, the terminal of the conveying assembly is connected with the discharging assembly through the sorting assembly, the conveying assembly is provided with the detachable material assembly 2, the testing assembly is arranged above the detachable material assembly 2, and the testing assembly is provided with the detachable assembly 1; when the device operates, the transformer is placed in the detachable material assembly 2, the control device controls the conveying assembly, the detachable material assembly 2 is fed to the conveying assembly through the feeding assembly, the control assembly downwards moves the detachable assembly 1 on the testing assembly to test the transformer, the control assembly controls the sorting assembly to pick out the unqualified transformer, and the blanking assembly discharges the qualified transformer. Through can dismantle subassembly 1 with can dismantle material subassembly 2 for when the device needs the different transformers of test, only need change can dismantle the test block 14 on the subassembly 1 can, different transformers use different material dish 22 can, the device has universality, can adapt to different transformers.
Next, the transformer testing device in the present exemplary embodiment will be further described.
In an embodiment of the present application, the control device is electrically connected to the test assembly, the transfer assembly and the sorting assembly, respectively; when the device operates, the transformer is placed in the detachable material assembly 2, the control device controls the conveying assembly, the detachable material assembly 2 is fed to the conveying assembly through the feeding assembly, the control assembly downwards moves the detachable assembly 1 on the testing assembly to test the transformer, the control assembly controls the sorting assembly to pick out the unqualified transformer, and the blanking assembly discharges the qualified transformer.
In an embodiment of the present application, the feeding assembly, the conveying assembly, the testing assembly, the sorting device, the detachable material assembly 2 and the discharging assembly are arranged inside the frame; the frame outer side is provided with the frame outer cover. The frame outer cover comprises an upper outer cover and a lower outer cover; the upper outer cover is connected with the lower outer cover through the rack.
In a specific embodiment, the frame provides a support for the whole device, the upper half of the frame is provided with the upper housing, and the lower half of the frame is provided with the lower housing.
In an embodiment of the present application, the start end of the conveying assembly is provided with the feeding assembly, the transformer is disposed in the detachable material assembly 2, and then the transformer is fed to the conveying assembly through the feeding assembly.
In an embodiment of the present application, the test assembly includes a high voltage test assembly, an inter-turn test assembly, a bias current test assembly, and a comprehensive test assembly; the high-voltage testing assembly, the inter-turn testing assembly, the bias current testing assembly and the comprehensive testing assembly are all provided with the detachable assembly 1.
Referring to fig. 2, the detachable assembly 1 includes a control device, a telescopic cylinder 11, a slide rail assembly 12, a moving assembly, a fixing frame 13, and a detachable test block 14 for testing the performance of the transformer; the control device is respectively and electrically connected with the telescopic cylinder 11 and the detachable test block 14, the lower part of the telescopic cylinder 11 is connected with the sliding rail assembly 12, one surface of the sliding rail assembly 12 is connected with the moving assembly, the other surface of the sliding rail assembly 12 is connected with the fixing frame 13, and the detachable test block 14 is arranged on the moving assembly; wherein at least one of said removable test blocks 14 is provided; the mobile assembly is connected with the detachable test block 14 by a detachable device; when the device operates, the detachable test block 14 is inserted into the moving assembly, and the control device controls the telescopic cylinder 11 to drive the moving assembly to reciprocate on the sliding rail assembly 12 and drive the detachable test block 14 on the moving assembly to reciprocate, so that the detachable test block 14 performs performance test on the transformer. The detachable test block 14 is moved downwards from top to bottom through the detachable assembly 1, so that an automatic transformer test function is realized, when different transformers are tested, the detachable test block 14 is replaced, the cost is reduced, the efficiency is improved, and the device has universality.
In an embodiment of the present application, the control device is electrically connected to the telescopic cylinder 11 and the detachable test block 14, respectively; the control device controls the telescopic cylinder 11 to drive the movable assembly to reciprocate on the sliding rail assembly 12 and drive the detachable test block 14 on the movable assembly to reciprocate, so that the detachable test block 14 performs performance test on the transformer.
As an example, the control device may be provided on the device body for controlling the operation of the entire device.
In an embodiment of the present application, the control device is electrically connected to the telescopic cylinder 11 and the detachable test block 14, the lower part of the telescopic cylinder 11 is connected to the sliding rail assembly 12, and the control device controls the telescopic cylinder 11 to drive the moving assembly to reciprocate on the sliding rail assembly 12.
The telescopic cylinder 11 is a cylindrical metal member for guiding the piston to reciprocate linearly in the cylinder. The air converts thermal energy into mechanical energy by expansion in the engine cylinder; the gas is compressed by a piston in a compressor cylinder to raise the pressure.
As an example, the telescopic cylinder 11 includes a cylinder barrel, an end cover, a piston rod, and a sealing member, the piston and the piston rod are disposed inside the cylinder barrel, the piston is connected to the top end of the piston rod, the sealing member is used for sealing the telescopic cylinder 11, the end cover is disposed on the top of the cylinder barrel, and the other end of the piston rod penetrates through the end cover.
In a specific embodiment, the telescopic cylinder 11 is parallel to the sliding rail, and when the device is running, the piston rod in the telescopic cylinder 11 drives the piston to move, so as to drive the moving assembly to move downwards, so that the test needle on the detachable test block 14 is embedded into the transformer, and the telescopic cylinder 11 drives the moving assembly to move upwards again.
In an embodiment of the present application, the telescopic cylinder 11 is connected with the sliding rail assembly 12 through a vertical plate; .
In a specific embodiment of the present application, the vertical plate enables the telescopic cylinder 11 to be vertically suspended on the sliding rail plate, the vertical plate is perpendicular to the telescopic cylinder 11 and the sliding rail plate, and the telescopic cylinder 11 and the sliding rail plate are arranged in parallel.
In an embodiment of the present application, the lower portion of the telescopic cylinder 11 is connected to the sliding rail assembly 12, one surface of the sliding rail assembly 12 is connected to the moving assembly, and the other surface of the sliding rail assembly 12 is connected to the fixing frame 13. The sliding rail assembly 12 comprises a sliding rail plate and a sliding rail arranged on the sliding rail plate; the sliding rail plate is connected with the moving assembly through the sliding rail.
In an embodiment of the present application, the sliding rail includes a first sliding rail and a second sliding rail; the first sliding rail and the second sliding rail are arranged in parallel.
As an example, a first sliding rail and a second sliding rail are arranged on the sliding rail plate in parallel, the moving assembly is arranged on the sliding rail assembly 12 through the first sliding rail and the second sliding rail, and the top of the sliding rail plate is connected with the telescopic cylinder 11.
In one embodiment of the present application, one surface of the sliding rail assembly 12 is connected to the moving assembly, and the detachable test block 14 is disposed on the moving assembly; the movable assembly is provided with a clamping position for accommodating the detachable test block 14; the number of the clamping positions is the same as that of the detachable test blocks 14, and the detachable devices are arranged at positions, corresponding to the detachable test blocks 14, on the inner sides of the clamping positions.
As an example, the moving assembly includes a moving plate and a clamping plate, the moving plate is connected with the sliding rail plate, and the moving plate is clamped with the first sliding rail and the second sliding rail. The clamping plate is L-shaped, and the connection positions of the clamping plate and the detachable test block 14 are two sides.
In one embodiment of the application, the detachable device includes grooves/detents provided on both sides of the detachable test block 14 and detents/grooves provided on the moving assembly; the clamping convex is matched with the groove.
As an example, the detachable device includes grooves provided on both sides of the detachable test block 14 and a snap-on protrusion provided on the moving assembly; the clamping convex is matched with the groove. When the detachable test block 14 needs to be replaced, the detachable test block 14 is pulled out, and the device can be quickly replaced, so that the device has universality.
As an example, the detachable device includes a snap-on protrusion provided on both sides of the detachable test block 14 and a groove provided on the moving assembly; the clamping convex is matched with the groove. When the detachable test block 14 needs to be replaced, the detachable test block 14 is pulled out, and the device can be quickly replaced, so that the device has universality.
In one embodiment of the present application, the fixing frame 13 includes a connection plate and a bottom plate; the moving assembly is connected with the bottom plate through the connecting plate; the detachable component 1 is connected with the device main body through the bottom plate; the connecting plate is L-shaped.
Referring to fig. 3, the detachable material package 2 comprises a chassis 21, a connecting device 23 and a material tray 22 for accommodating the transformer; the material tray 22 is connected with the chassis 21 through the connecting device 23; wherein at least two sets of said connection means 23 are provided; the connecting device 23 comprises a first connecting piece arranged on the material tray 22 and a second connecting piece arranged on the chassis 21; the first connecting piece is in buckling connection with the second connecting piece.
In an embodiment of the application, the detachable material assembly 2 is arranged on the device main body through the device main body; the detachable material assembly 2 comprises a chassis 21, a connecting device 23 and a material tray 22 for accommodating the transformer; the material tray 22 is connected with the chassis 21 through the connecting device 23; wherein at least two sets of said connection means 23 are provided; the connecting device 23 comprises a first connecting piece arranged on the material tray 22 and a second connecting piece arranged on the chassis 21; the first connecting piece is in buckling connection with the second connecting piece. Through chassis 21 with the detachable connection of material dish 22 for the type of transformer is removable, convenient to use, and the cost is reduced, and efficiency improves, makes the device have universality.
In one embodiment of the application, the material tray 22 is connected to the chassis 21 by the connecting device 23; the chassis 21 is provided with a limit groove which is matched with the shape of the material disc 22; the chassis 21 is provided with a mounting piece for attaching the device body.
In a specific embodiment, the chassis 21 is quadrilateral, two sides of the chassis 21 are recessed inwards, and the recesses are respectively provided with a baffle; the middle of the chassis 21 is provided with a limit groove, the limit groove is matched with the bottom shape of the material tray 22, the position of the limit groove is also provided with a through hole, four corners of the chassis 21 are respectively provided with a mounting plate, and the mounting plates are provided with screw holes.
In one embodiment of the application, the material tray 22 is connected to the chassis 21 by the connecting device 23; wherein at least two sets of said connection means 23 are provided; the connecting device 23 comprises a first connecting piece arranged on the material tray 22 and a second connecting piece arranged on the chassis 21; the first connecting piece is in buckling connection with the second connecting piece.
In an embodiment of the application, the second connecting piece includes a first protrusion and a second protrusion; the middle part of the first connecting piece is recessed in the two sides connected with the second connecting piece; the first protruding part and the second protruding part are oppositely arranged, and a space for accommodating the first connecting piece is arranged between the first protruding part and the second protruding part. The first connecting piece is connected with the material tray 22 through screws. The second connecting member is connected to the chassis 21 by a screw.
As an example, the first protruding portion side is in a semi-sphere shape, the second protruding portion side is also in a semi-sphere shape, the two semi-spheres are opposite, and the lower portion of the first connecting piece is larger than the middle portion, so that the first connecting piece is clamped between the two semi-spheres, and the chassis 21 and the material tray 22 are detachable.
In a specific implementation, the connection devices 23 are arranged in two groups, and the two groups of connection devices 23 are symmetrically arranged. A placing groove is formed in one side, away from the chassis 21, of the material disc 22; the bottom end surface of the material tray 22 is provided with a connecting groove for accommodating the connecting device 23; the number of the connecting grooves is the same as the number of the connecting means 23.
As an example, the connecting groove is adapted to the position of the connecting device 23.
In one embodiment of the application, the conveyor assembly includes a first conveyor belt and a second conveyor belt; the first conveyor belt and the second conveyor belt are arranged in parallel, and two sides of the chassis 21 are respectively connected with the first conveyor belt and the second conveyor belt.
In one embodiment of the application, the sorting assembly includes a sorting motor and a manipulator electrically connected to the sorting motor.
In a specific embodiment, when different transformers need to be tested, the detachable test block 14 is taken down, the detachable test block 14 adapting to the transformers needing to be tested is replaced, the detachable test block 14 is inserted into a clamping position, the transformers needing to be tested are placed in the material tray 22, the material tray 22 is clamped into the chassis 21, the detachable material assembly 2 is conveyed to the conveying assembly through the feeding assembly, the conveying assembly conveys the transformers to the lower part of the testing assembly, the movable assembly on the testing assembly drives the detachable test block 14 to move downwards to test the transformers, the transformers continue to be conveyed, the transformers which are unqualified to be tested are picked out through the high-voltage testing assembly, the inter-turn testing assembly, the bias current testing assembly and the comprehensive testing assembly, and the qualified transformers are conveyed out through the discharging assembly.
In this specification, each embodiment is described in a progressive manner, and the embodiments mainly describe differences from other embodiments, and similar parts between the embodiments are only required to be mutually referred.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or terminal device that comprises the element.
The transformer testing device provided by the invention is described in detail, and specific examples are applied to illustrate the principle and the implementation of the invention, and the description of the examples is only used for helping to understand the method and the core idea of the invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (8)
1. The device is used for testing the performance of the transformer and is characterized by comprising a control device, a rack, a feeding assembly, a testing assembly, a conveying assembly, a discharging assembly, a detachable material assembly and a sorting assembly for picking out the transformer which is unqualified in testing;
The control device is respectively and electrically connected with the test assembly, the transmission assembly and the sorting assembly; the feeding assembly, the conveying assembly, the testing assembly, the sorting assembly, the detachable material assembly and the discharging assembly are arranged in the frame;
The starting end of the conveying assembly is provided with the feeding assembly, the terminal of the conveying assembly is connected with the discharging assembly through the sorting assembly, the conveying assembly is provided with the detachable material assembly, the testing assembly is arranged above the detachable material assembly, and the testing assembly is provided with the detachable assembly;
When the transformer testing device operates, the transformers are placed in the detachable material assemblies, the control device controls the conveying assemblies, the detachable material assemblies are fed to the conveying assemblies through the feeding assemblies, the control device controls the detachable assemblies on the testing assemblies to move downwards to test the transformers, the control device controls the sorting assemblies to pick out the transformers which are unqualified in testing, and the blanking assemblies discharge the transformers which are qualified in testing;
The detachable assembly comprises a telescopic cylinder, a sliding rail assembly, a moving assembly, a fixing frame and a detachable test block for testing the performance of the transformer, wherein the sliding rail assembly is connected below the telescopic cylinder, one surface of the sliding rail assembly is connected with the moving assembly, the other surface of the sliding rail assembly is connected with the fixing frame, and the detachable test block is arranged on the moving assembly; the movable assembly is connected with the detachable test block through a detachable device; when the transformer testing device operates, the detachable testing block is inserted into the moving assembly, the telescopic cylinder drives the moving assembly to make reciprocating motion on the sliding rail assembly, and drives the detachable testing block on the moving assembly to make reciprocating motion, so that a testing needle on the detachable testing block is embedded into the transformer, and performance testing is performed on the transformer; when testing different transformers, the detachable test block is replaced;
The detachable material assembly comprises a chassis, a connecting device and a material tray for accommodating the transformer; the material tray is connected with the chassis through the connecting device; wherein the connecting device is provided with at least two groups; the connecting device comprises a first connecting piece arranged on the material tray and a second connecting piece arranged on the chassis; the first connecting piece is in buckling connection with the second connecting piece;
The second connecting piece comprises a first protruding part and a second protruding part; the middle part of the first connecting piece is recessed in the two sides connected with the second connecting piece; the first protruding part and the second protruding part are oppositely arranged, and a space for accommodating the first connecting piece is arranged between the first protruding part and the second protruding part.
2. The transformer testing device according to claim 1, wherein at least one of said removable test blocks is provided.
3. The transformer testing device of claim 2, wherein the detachable device comprises a recess/detent provided on both sides of the detachable test block and a detent/recess provided on the movable assembly;
The clamping convex is matched with the groove.
4. The transformer testing device of claim 1, wherein the conveyor assembly comprises a first conveyor belt and a second conveyor belt;
the first conveyor belt and the second conveyor belt are arranged in parallel, and two sides of the chassis are respectively connected with the first conveyor belt and the second conveyor belt.
5. The transformer testing device of claim 1, wherein the testing component comprises a high voltage testing component, an inter-turn testing component, a bias current testing component, and a comprehensive testing component;
The high-voltage testing assembly, the inter-turn testing assembly, the bias current testing assembly and the comprehensive testing assembly are all provided with the detachable assembly.
6. The transformer testing device of claim 1, wherein a housing cover is provided on an outside of the housing.
7. The transformer testing device of claim 6, wherein the housing cover comprises an upper cover and a lower cover;
The upper outer cover is connected with the lower outer cover through the rack.
8. The transformer testing device of claim 1, wherein the sorting assembly comprises a sorting motor and a manipulator electrically connected to the sorting motor.
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