CN211940932U - Transformer voltage automatic checkout equipment - Google Patents

Abstract

The utility model provides a transformer voltage automatic detection device, which is used for automatically detecting the voltage of a transformer and comprises a power supply box for providing a detection power supply, a conductive joint positioning frame and an mechanical arm grabbing mechanism; the power supply box comprises a box body and a conductive joint assembly which is electrically connected with the box body through a flexible conductive medium; the conductive connector positioning frame comprises a positioning structure for placing and positioning the conductive connector assembly; the mechanical arm grabbing mechanism takes down the conductive joint component from the positioning structure and electrically connects the conductive joint component to the conductive end of the transformer so as to realize that the power supply box outputs a certain voltage value to the transformer and detect the transformer. The utility model discloses an arm snatchs the mechanism and replaces manual operation, with conductive joint subassembly electric connection on the transformer, makes the power box carry certain magnitude of voltage to the transformer to detect the transformer, degree of automation is high, greatly reduced the potential safety hazard of operation workman in operation process.

Description

Transformer voltage automatic checkout equipment

Technical Field

The utility model belongs to the technical field of the transformer detects technique and specifically relates to a transformer voltage automatic check out test set is related to.

Background

A transformer is a device for changing an ac voltage using the principle of electromagnetic induction, and is one of main equipments of a power plant and a substation. In the production process of a power transformer and before a newly installed transformer is put into operation, the transformer needs to be subjected to conventional tests including voltage detection, and the conventional method for voltage detection comprises the following steps: the operator connects the connector of the detection power supply to the transformer, then the detection power supply is electrified, the detection power supply inputs detection current with specific voltage value to the transformer, and then various working performance parameters of the transformer are measured and recorded. In the detection process, the detection current and voltage value input by the detection power supply is very high, and is careless, so that the human body is easily and greatly injured, and serious potential safety hazards exist. Therefore, for safety reasons, there are many technical personnel who want to design the automatic detection equipment of the transformer, and the difficulty is that the connector of the detection power supply is in a clip shape and is connected through a linear spring wire, the position and the orientation of the connector are not controllable, and the automatic equipment cannot accurately grab the connector, and cannot accurately grab the connector.

Therefore, it is necessary to provide a transformer detection device, which can fully automatically complete the voltage detection of the transformer and avoid the harm to the workers.

SUMMERY OF THE UTILITY MODEL

The utility model provides a transformer voltage automatic check out test set, its purpose carries out the voltage detection of transformer fully automatically, avoids the potential safety hazard that causes among the transformer voltage testing process.

The utility model adopts the technical scheme as follows:

the automatic transformer voltage detection equipment comprises a power supply box for providing a detection power supply, a conductive joint positioning frame and a mechanical arm grabbing mechanism, wherein the conductive joint positioning frame comprises a box body and a conductive joint assembly electrically connected with the box body through a flexible conductive medium, the conductive joint positioning frame comprises a positioning structure for placing and positioning the conductive joint assembly, and the mechanical arm grabbing mechanism takes down the conductive joint assembly from the positioning structure and electrically connects the conductive joint assembly to a conductive end of a transformer so as to enable the power supply box to output a certain voltage value to the transformer and detect the transformer.

Furthermore, the conductive joint component comprises at least one first conductive contact piece and at least one second conductive contact piece, and the first conductive contact piece and the second conductive contact piece are respectively and electrically connected with the box body through flexible conductive media; the positioning structure comprises a first positioning seat and a second positioning seat, the first positioning seat is used for placing and positioning the first conductive contact pieces, the second positioning seat is used for placing and positioning the second conductive contact pieces, the number of the first positioning seats is matched with that of the first conductive contact pieces, and the number of the second positioning seats is matched with that of the second conductive contact pieces.

Furthermore, one side of the box body facing the positioning structure is provided with a first conductive terminal and second conductive terminals positioned below the first conductive terminal, the number of the first conductive terminals is matched with that of the first conductive contact elements, and the number of the second conductive terminals is matched with that of the second conductive contact elements; the first conductive contact element is electrically connected with the first conductive terminal through a flexible conductive medium, and the second conductive contact element is electrically connected with the second conductive terminal through a flexible conductive medium.

Furthermore, the conducting joint locating rack comprises a first transverse rod and a second transverse rod which are transversely arranged and are parallel to each other, the first transverse rod is located above the second transverse rod, the first locating seat is arranged on the upper side of the first transverse rod, and the second locating seat is arranged on the lower side of the second transverse rod.

Further, the conductive joint assembly comprises at least one first conductive contact piece and at least one second conductive contact piece, and the first conductive contact piece and the second conductive contact piece are all clips with conductive performance.

Further, the first positioning seat comprises a first base, a first groove is formed in the top surface of the first base, and a first positioning plate for clamping the first conductive contact piece is convexly arranged in the first groove; the second positioning seat comprises a second base, a second groove is formed in the bottom surface of the second base, and a second positioning plate for clamping the second conductive contact piece is convexly arranged in the second groove.

Further, the flexible conductive medium includes a plurality of wires in the shape of linear springs, each of the first conductive contacts corresponds to one of the wires, and each of the second conductive contacts corresponds to one of the wires.

Furthermore, the conductive joint positioning frame is made of an insulator material.

Furthermore, the mechanical arm grabbing mechanism comprises a mechanical hand and a positioning device, the mechanical hand is used for taking and placing the conductive joint assembly, the positioning device comprises a visual shooting part and a position sensor, the visual shooting part is used for shooting and identifying the horizontal position of the conductive joint assembly, and the position sensor is used for identifying a visual positioning camera for horizontally positioning the vertical position of the conductive joint assembly and a displacement sensor for vertically positioning the vertical position.

Furthermore, the conductive connector assembly comprises at least one first conductive contact element and at least one second conductive contact element, and a first slot matched with the end part of the first conductive contact element and a second slot matched with the end part of the second conductive contact element are arranged on the inner side of the claw arm of the mechanical gripper.

The utility model has the advantages that:

the utility model adopts the conductive joint positioning frame which comprises a positioning structure capable of placing and positioning the conductive joint component, so that the swaying uncertain conductive joint component is accurately positioned on the conductive joint positioning frame, the position and the direction are accurate, and the mechanical arm grabbing mechanism is convenient to grab, so that the automatic voltage detection is easy to realize; in addition, the mechanical arm grabbing mechanism replaces manual operation, and the conductive connector assembly is electrically connected to the transformer, so that the power supply box can convey a certain voltage value to the transformer, the transformer can be detected conveniently, full-automatic voltage detection is realized, and the potential safety hazard of an operator in the operation process is greatly reduced.

Drawings

FIG. 1: the embodiment of the utility model provides an in overall structure schematic diagram.

FIG. 2: the embodiment of the utility model provides an in the structure schematic diagram of power box, conductive joint locating rack and transformer.

FIG. 3: the embodiment of the utility model discloses a part enlarged structure schematic diagram in figure 2.

FIG. 4: the embodiment of the utility model provides an in the integrated configuration sketch map of first electrically conductive contact and first locator seat.

FIG. 5: the embodiment of the utility model provides an in the arm snatch the structure sketch map of mechanism.

FIG. 6: the embodiment of the utility model provides an in the structure schematic diagram of mechanical tongs.

Reference is made to the accompanying drawings in which: 10. a power supply box; 11. a conductive joint assembly; 111. a first conductive contact; 112. a second conductive contact; 12. a flexible conductive medium; 13. a first conductive terminal; 14. a second conductive terminal; 20. a conductive joint positioning frame; 21. a positioning structure; 211. a first positioning seat; 212. a second positioning seat; 213. a first positioning plate; 214. a first groove; 22. a first cross bar; 23. a second cross bar; 30. a mechanical arm grabbing mechanism; 31. a mechanical arm; 32. a mechanical arm mounting seat; 33. a mechanical arm control box; 34. a gantry; 341. a cross beam; 342. a guide rail; 35. a drive device; 36. a carrier plate; 37. a mechanical gripper; 371. a third base; 372. a claw arm; 373. a first slot position; 374. a second slot position; 375. a first mounting plate; 376. a second mounting plate; 381. a visual photographing part; 382. a position sensor; 40. a transformer; 41. a high voltage conductive terminal; 42. a low voltage conductive terminal; 50. and (4) a safety grating.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.

The embodiment discloses automatic transformer voltage detection equipment which is used for automatically detecting the voltage of a transformer so as to reduce potential safety hazards of workers in the operation process.

Referring to fig. 1, the apparatus for automatically detecting transformer voltage in the present embodiment includes a power box 10, a conductive joint positioning frame 20, and a robot arm grabbing mechanism 30. The power supply box 10 is used for providing a detection power supply for the transformer 40, the power supply box 10 comprises a box body and a conductive joint component 11 electrically connected with the box body through a flexible conductive medium 12, in actual detection operation, the types of the transformer 40 are different, the positions of conductive ends of the transformer 40 are also different, in the embodiment, the conductive joint component 11 is electrically connected with the box body through the flexible conductive medium 12, therefore, the movable range of the conductive joint component 11 is wider, the moving angle is more flexible, the power supply box can be matched with the conductive ends of the transformers 40 of different types, and the applicability is wide. The mechanical arm grabbing mechanism 30 and the power supply box 10 are arranged at intervals, a detection station for placing the transformer 40 is defined between the mechanical arm grabbing mechanism 30 and the power supply box 10, and the mechanical arm grabbing mechanism 30 is used for grabbing the conductive connector assembly 11. Conductive joint locating rack 20 is located the arm and snatchs between mechanism 30 and the power box 10, and conductive joint locating rack 20 is including being used for placing and fixing a position conductive joint subassembly 11's location structure 21, and location structure 21 can spacing conductive joint subassembly 11's position, makes things convenient for the arm to snatch mechanism 30 and snatchs, improves and snatchs efficiency. During operation, the transformer 40 is conveyed to the detection station by using the transport vehicle, the mechanical arm grabbing mechanism 30 takes the conductive joint assembly 11 off the positioning structure 21 and electrically connects the conductive joint assembly 11 to the conductive end of the transformer 40, so that the power supply box 10 outputs a voltage with a certain voltage value to the transformer 40, and the transformer 40 is detected; when the transformer 40 finishes detecting, the mechanical arm grabbing mechanism 30 takes the conductive joint assembly 11 off from the conductive end of the transformer 40, the conductive joint assembly 11 is placed and positioned on the positioning structure 21, the taking and placing processes of the conductive joint assembly 11 are completed by the mechanical arm grabbing mechanism 30, the automation degree is high, and potential safety hazards existing in the operation process of workers can be greatly reduced.

Referring to fig. 1-3, the conductive contact assembly 11 includes at least one first conductive contact 111 and at least one second conductive contact 112, and the first conductive contact 111 and the second conductive contact 112 are electrically connected to the housing through the flexible conductive medium 12, respectively; in the present embodiment, the power supply box 10 supplies a high voltage to the transformer 40 through the first conductive contact 111, and the power supply box 10 supplies a low voltage to the transformer 40 through the second conductive contact 112. In this embodiment, the number of the first conductive contacts 111 may be plural, the number of the second conductive contacts 112 may also be plural, in which the number of the first conductive contacts 111 is four, four first conductive contacts 111 are arranged in a horizontal line, the number of the second conductive contacts 112 is three, and three second conductive contacts 112 are arranged in a horizontal line, when the robot grasping mechanism 30 works, the robot grasping mechanism electrically connects each first conductive contact 111 and each second conductive contact 112 to each conductive end of the transformer 40 one by one, specifically, the conductive ends of the transformer 40 are divided into the high voltage conductive terminal 41 and the low voltage conductive terminal 42, the first conductive contacts 111 are electrically connected to the high voltage conductive terminal 41, the second conductive contacts 112 are electrically connected to the low voltage conductive terminal 42, and the number of the high voltage conductive terminals 41 is matched with the number of the first conductive contacts 111, the number of low voltage conductive terminals 42 is adapted to the number of second conductive contacts 112.

The first conductive contact 111 may be a metal sheet, a metal hook, a clip, etc., and other specific types of the first conductive contact 111 are not exhaustive as long as the first conductive contact 111 can perform a conductive function. In the present embodiment, the first conductive contact 111 and the second conductive contact 112 are both clips having conductive properties. In the initial state, the clamp is clamped on the positioning structure 21, in the working process, the mechanical arm grabbing mechanism 30 grabs the clamp to open the clamp so as to be taken down from the positioning structure 21, then the mechanical arm grabbing mechanism 30 moves the clamp to the conductive end of the transformer 40, and the clamp is loosened to be clamped on the conductive end of the transformer 40. The clamp is used as the first conductive contact element 111, so that the connection stability of the first conductive contact element 111 and the conductive end of the transformer 40 can be improved, the influence on the detection effect caused by poor contact between the first conductive contact element 111 and the conductive end of the transformer 40 in the detection process can be avoided, in addition, the connection stability of the first conductive contact element 111 and the positioning structure 21 can be improved, the position of the first conductive contact element 111 cannot be easily changed, and the mechanical arm grabbing mechanism 30 can conveniently grab. Specifically, the clip may be made of a metal material, such as copper, iron, nickel, or the like, and the clip housing may be made of a plastic material having an insulating property, and a conductive sheet (not shown) is disposed inside the clip arm, and when the clip is clipped at the conductive end of the transformer 40, the conductive sheet is electrically connected to the conductive end of the transformer 40, wherein the clip housing may prevent the clip from being conductively connected to the robot arm grabbing mechanism 30, so as to prevent the robot arm grabbing mechanism 30 from being affected; the clip may have other structures as long as the conductive function is achieved. The second conductive contact 112 may be a metal sheet, a metal hook, a clip, etc., as long as the second conductive contact 112 can achieve a conductive function, and in this embodiment, the material and the structure of the second conductive contact 112 are the same as those of the first conductive contact 111.

With reference to fig. 2-3, a first conductive terminal 13 and a second conductive terminal 14 located below the first conductive terminal 13 are disposed on one side of the box body of the power box 10 facing the positioning structure 21, the number of the first conductive terminals 13 is matched with the number of the first conductive contact elements 111, and the number of the second conductive terminals 14 is matched with the number of the second conductive contact elements 112; the first conductive contact 111 is electrically connected to the first conductive terminal 13 through the flexible conductive medium 12, and the second conductive contact 112 is electrically connected to the second conductive terminal 14 through the flexible conductive medium 12. Further, the first conductive terminal 13 and the second conductive terminal 14 are both rod-shaped, the first conductive terminal 13 is substantially parallel to the second conductive terminal 14, the end of the first conductive terminal 13 extends out of the end of the second conductive terminal 14, and when the robot grasping mechanism 30 picks and places the first conductive contact 111 and the second conductive contact 112, the flexible conductive medium 12 of the first conductive terminal 13 and the flexible conductive medium 12 of the second conductive terminal 14 can be prevented from interfering with each other.

The conductive contact positioning frame 20 is made of an insulator material, such as wood, polyurethane, rubber, ceramic, etc. The conductive joint positioning frame 20 made of insulating materials can avoid the phenomenon of electric leakage and reduce potential safety hazards.

Referring to fig. 2-3, the conductive connector positioning frame 20 includes a first cross bar 22, a second cross bar 23 and two vertical bars, wherein the first cross bar 22 and the second cross bar 23 are transversely disposed, the two ends of the first cross bar 22 are respectively connected to the upper portions of the two vertical bars, the two ends of the second cross bar 23 are respectively connected to the upper portions of the two vertical bars, and the first cross bar 22 is located above the second cross bar 23; the first conductive terminal 13 is located between the first cross bar 22 and the second cross bar 23, and the second conductive terminal 14 is located below the second cross bar 23. The positioning structure 21 includes a first positioning seat 211 for placing and positioning the first conductive contacts 111 and a second positioning seat 212 for placing and positioning the second conductive contacts 112, the number of the first positioning seats 211 is matched with the number of the first conductive contacts 111, and the number of the second positioning seats 212 is matched with the number of the second conductive contacts 112. The first positioning seat 211 is fixed on the upper side of the first cross bar 22, and the second positioning seat 212 is fixed on the lower side of the second cross bar 23. In this embodiment, the number of the first positioning seats 211 is four, and four first positioning seats 211 are arranged in a straight line along the length direction of the first cross bar 22; the number of the second positioning seats 212 is three, and the three second positioning seats 212 are arranged in a straight line along the length direction of the second cross bar 23.

Referring to fig. 4, the first positioning seat 211 includes a first base, a first groove 214 is formed on a top surface of the first base, and a first positioning plate 213 for clamping the first conductive contact 111 is convexly disposed in the first groove 214; the second positioning seat 212 includes a second base, a second groove (not shown) is formed on a bottom surface of the second base, and a second positioning plate for clamping the second conductive contact 112 is convexly disposed in the second groove. In the present embodiment, the structure of the second positioning seat 212 is the same as that of the first positioning seat 211. When the first conductive contact 111 is held on the first positioning plate 213, the nip of the first conductive contact 111 faces downward, and when the second conductive contact 112 is held on the second positioning plate, the nip of the second conductive contact 112 faces upward.

Referring to fig. 3, the flexible conductive medium 12 may be a strip-shaped metal sheet, a towline cable, or a linear spring-shaped wire, and the flexible conductive medium 12 only needs to have a certain flexibility and a conductive function, in this embodiment, the flexible conductive medium 12 includes a plurality of linear spring-shaped wires, each first conductive contact 111 is electrically connected to the end of the corresponding first conductive terminal 13 through one wire, each second conductive contact 112 is electrically connected to the end of the corresponding second conductive terminal 14 through one wire, and the first conductive contact 111, the second conductive contact 112, the first conductive terminal 13, and the second conductive terminal 14 are connected to the wires by welding. In this embodiment, the wire in the shape of the linear spring can ensure a certain extension degree of the wire, and can reduce the occupied space of the flat cable, thereby avoiding the occurrence of the messy flat cable.

Referring to fig. 5, the robot gripping mechanism 30 includes a robot 31, a robot mounting base 32, a robot control box 33, a gantry 34, and a driving device 35. The top end of the beam 341 of the gantry 34 is provided with a guide rail 342 extending along the length direction of the beam 341 and a slider (not shown in the figure) matched with the guide rail 342, the top surface of the slider is fixedly connected with a bearing plate 36, a driving device 35 is arranged on the top surface of the bearing plate 36 and used for driving the slider to move back and forth along the guide rail 342, the driving device 35 can be a servo motor, the fixed end of the servo motor is fixed on the top surface of the bearing plate 36, the rotating shaft of the servo motor downwards penetrates through the bearing plate 36 and extends to the lower part of the bearing plate 36, the rotating shaft end part of the servo motor is provided with a gear (not shown in the figure), the top surface of the beam 341 is also provided with a rack (not shown in the figure) parallel to the guide rail 342, and the gear at. In other embodiments, the driving device 35 may be an electric cylinder, and the manner of driving the slide block by the electric cylinder is conventional in the related art, and the operation principle of the electric cylinder is not described herein. The robot arm mounting seat 32 is fixedly connected to the top surface of the carrier plate 36, the length direction of the robot arm mounting seat 32 is substantially perpendicular to the length direction of the cross beam 341, the robot arm 31 and the robot arm control box 33 are respectively fixed to both ends of the robot arm mounting seat 32 in the length direction, and the robot arm 31 and the robot arm control box 33 are respectively located on opposite sides of the cross beam 341. Under drive arrangement 35's drive, arm 31 and arm control box 33 move simultaneously, can avoid the interconnecting link between arm 31 and the arm control box 33 to receive the dragging like this, reduce the impaired probability of interconnecting link. In addition, because the mechanical arm 31 is connected to the beam 341 of the gantry 34 through the mechanical arm mounting seat 32, when the transformer 40 is replaced, the transport vehicle can enter the detection station from the lower part of the beam 341, the mechanical arm 31 does not interfere with the transport vehicle, and the replacement process of the transformer 40 is simplified. Further, a safety light barrier 50 (see fig. 1) is disposed outside the gantry 34, and when the safety light barrier 50 senses an object, the power supply system and the robot arm 31 automatically suspend working, so that potential safety hazards of workers during operation can be further reduced.

Referring to fig. 6, the mechanical gripper 37 and the positioning device are disposed at the end of the mechanical arm 31, the mechanical gripper 37 includes a third base 371, the third base 371 has a driving member (not shown), the movable end of the driving member has two symmetrically disposed claw arms 372, and the two claw arms 372 move in opposite directions or away from each other under the driving of the driving member, in this embodiment, the driving member is an electric cylinder. The inner side of the same claw arm 372 is provided with a first groove 373 and a second groove 374, the first grooves 373 of the two claw arms 372 are aligned with each other, the second grooves 374 of the two claw arms 372 are aligned with each other, furthermore, the length direction of the first grooves 373 is approximately parallel to the length direction of the second grooves 374, one end of the first grooves 373 is an open end, one end of the second grooves 374 is also an open end, and the open end of the first grooves 373 and the open end of the second grooves 374 are respectively located on two opposite side surfaces of the claw arms 372. When the first conductive contact piece 111 is grabbed, the two claw arms 372 of the mechanical hand 37 are opened, the mechanical arm 31 drives the mechanical hand 37 to move to the first positioning seat 211, then the claw arms 372 of the mechanical hand 37 are closed, the end part of the first conductive contact piece 111 clamped on the first positioning seat 211 is matched with the first groove 373 on the claw arms 372, the first conductive contact piece 111 releases the first positioning seat 211 under the driving of the claw arms 372, then the mechanical arm 31 moves the mechanical hand 37 to the conductive end of the transformer 40, the claw arms 372 of the mechanical hand 37 are released, and the first conductive contact piece 111 is clamped on the conductive end of the transformer 40; when the second conductive contact piece 112 is grabbed, the two claw arms 372 of the mechanical hand 37 are opened, the mechanical arm 31 drives the mechanical hand 37 to move to the second positioning seat 212, then the claw arms 372 of the mechanical hand 37 are closed, the end part of the second conductive contact piece 112 clamped on the second positioning seat 212 is matched with the second groove 374 on the claw arms 372, the second conductive contact piece 112 releases the second positioning seat 212 under the driving of the claw arms 372, then the mechanical arm 31 turns the mechanical hand 37 for 180 degrees, the clamping mouth of the second conductive contact piece 112 faces downwards, then the mechanical arm 31 moves the second conductive contact piece 112 to the conductive end of the transformer 40, the claw arms 372 of the mechanical hand 37 are released, and the second conductive contact piece 112 is clamped on the conductive end of the transformer 40. Compared with the prior art, the claw arm 372 of the embodiment is provided with the first slot 373 and the second slot 374, and in the process of grabbing the first conductive contact piece 111 and the second conductive contact piece 112, the first slot 373 and the second slot 374 are respectively matched with the end part of the first conductive contact piece 111 and the end part of the second conductive contact piece 112, so that the first conductive contact piece 111 and the second conductive contact piece 112 are prevented from sending position deviation in the grabbing and moving processes, an anti-skid effect is achieved, and the picking and placing positions of the first conductive contact piece 111 and the second conductive contact piece 112 are more accurate.

The positioning device comprises a visual photographing part 381 and a position sensor 382, wherein the visual photographing part 381 is used for photographing and identifying the horizontal position of the conductive connector assembly 11, the position sensor 382 is used for identifying the vertical position of the conductive connector assembly 11, and under the cooperation of the visual photographing part 381 and the position sensor 382, three-dimensional positioning can be achieved on the conductive connector assembly 11, and the grabbing precision of the mechanical hand grip 37 is improved. In this embodiment, the third base 371 has a first mounting plate 375 and a second mounting plate 376, the first mounting plate 375 and the second mounting plate 376 are perpendicular to each other, the visual photographing part 381 includes a visual positioning camera and a light source part provided on the first mounting plate 375, the light source part is provided around the visual photographing camera, and a control device (not shown) for controlling the visual photographing part 381 is provided at one side of the robot arm control box 33. The position sensor 382 is provided on the second mounting plate 376, and in this embodiment, the visual photographing part 381 is an XG-X series product or CV-X series visual positioning camera of KEYENCE corporation. The position sensor 382 is a laser displacement sensor.

The working principle of the embodiment is as follows: powering off the power supply box 10, moving the mechanical hand 37 to the first positioning seat 211 by the mechanical arm 31, removing the first conductive contact piece 111 by the mechanical hand 37, moving the mechanical hand 37 to one conductive end of the transformer 40 by the mechanical hand 37, connecting the first conductive contact piece 111 to the conductive end by the mechanical hand 37, continuing driving the mechanical hand 37 by the mechanical arm 31 to remove the first conductive contact piece 111 on the other first positioning seat 211, connecting the other first conductive contact piece 111 to the other conductive end of the transformer 40, and so on until all the first conductive contact pieces 111 are connected to the corresponding conductive ends of the transformer 40; then, the mechanical arm 31 moves the mechanical hand 37 to the second positioning seat 212, the mechanical hand 37 takes off the second conductive contact 112, the mechanical arm 31 drives the mechanical hand 37 to turn over 180 degrees, so that the grip of the second conductive contact 112 faces downward, then the mechanical arm 31 drives the mechanical hand 37 to move to the corresponding conductive end of the transformer 40, the mechanical hand 37 connects the second conductive contact 112 to the conductive end, then the mechanical arm 31 continues to drive the mechanical hand 37 to take off the second conductive contact 112 on another second positioning seat 212, connect another second conductive contact 112 to the corresponding conductive end of the transformer 40, and so on until all the second conductive contacts 112 are connected to the corresponding conductive end of the transformer 40, then the power box 10 is supplied, the transformer 40 is detected, after the detection is finished, the mechanical arm 31 drives the mechanical hand 37 to put the first conductive contact 111 back to the first positioning seat 211, and the second conductive contact 112 is placed back on the second positioning seat 212, thereby completing the testing process of the transformer 40.

As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.

Claims (10)

1. An automatic detection device for voltage of a transformer, which is used for automatically detecting the voltage of the transformer, and is characterized by comprising:

the power supply box for providing the detection power supply comprises a box body and a conductive joint component which is electrically connected with the box body through a flexible conductive medium;

the conductive connector positioning frame comprises a positioning structure for placing and positioning the conductive connector assembly; and

and the mechanical arm grabbing mechanism is used for taking down the conductive joint component from the positioning structure and electrically connecting the conductive joint component to the conductive end of the transformer so as to realize that the power supply box outputs a voltage with a certain voltage value to the transformer and then detects the transformer.

2. The automatic transformer voltage detection device of claim 1, wherein the conductive connector assembly comprises at least one first conductive contact and at least one second conductive contact, the first conductive contact and the second conductive contact being electrically connected to the tank through the flexible conductive medium, respectively;

the positioning structure comprises a first positioning seat and a second positioning seat, the first positioning seat is used for placing and positioning the first conductive contact pieces, the second positioning seat is used for placing and positioning the second conductive contact pieces, the number of the first positioning seats is matched with that of the first conductive contact pieces, and the number of the second positioning seats is matched with that of the second conductive contact pieces.

3. The automatic transformer voltage detection device according to claim 2, wherein a first conductive terminal and a second conductive terminal located below the first conductive terminal are disposed on one side of the box body facing the positioning structure, the number of the first conductive terminals is matched with the number of the first conductive contact elements, and the number of the second conductive terminals is matched with the number of the second conductive contact elements; the first conductive contact element is electrically connected with the first conductive terminal through the flexible conductive medium, and the second conductive contact element is electrically connected with the second conductive terminal through the flexible conductive medium.

4. The automatic transformer voltage detection device according to claim 2, wherein the conductive contact positioning frame comprises a first cross bar and a second cross bar, the first cross bar is disposed above the second cross bar, the first positioning seat is disposed on an upper side of the first cross bar, and the second positioning seat is disposed on a lower side of the second cross bar.

5. The automatic transformer voltage detection device of claim 1, wherein the conductive connector assembly comprises at least one first conductive contact and at least one second conductive contact, each of the first conductive contact and the second conductive contact being a clip having conductive properties.

6. The automatic voltage detection device of claim 2, wherein the first positioning seat comprises a first base, a first groove is formed in the top surface of the first base, and a first positioning plate for clamping the first conductive contact piece is convexly arranged in the first groove; the second positioning seat comprises a second base, a second groove is formed in the bottom surface of the second base, and a second positioning plate for clamping the second conductive contact piece is convexly arranged in the second groove.

7. The automatic transformer voltage detection device according to any one of claims 2 to 6, wherein the flexible conductive medium includes a plurality of wires in the shape of linear springs, and each of the first conductive contacts or each of the second conductive contacts corresponds to one of the wires.

8. The automatic voltage detection device for transformers according to any of claims 1-6, characterized in that said conductive contact positioning frame is made of insulator material.

9. The automatic transformer voltage detection device according to any one of claims 1 to 6, wherein the mechanical arm gripping mechanism comprises a mechanical hand for taking and placing the conductive contact assembly and a positioning device, the positioning device comprises a visual photographing part and a position sensor, the visual photographing part is used for photographing and identifying the horizontal position of the conductive contact assembly, and the position sensor is used for identifying the vertical position of the conductive contact assembly.

10. The automatic transformer voltage detection device of claim 9, wherein the conductive contact assembly comprises at least one first conductive contact and at least one second conductive contact, and a first slot is provided inside the claw arm of the mechanical gripper to mate with an end of the first conductive contact and a second slot is provided inside the claw arm of the mechanical gripper to mate with an end of the second conductive contact.

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