CN214623012U

CN214623012U - Combined mutual inductor calibration device

Info

Publication number: CN214623012U
Application number: CN202120635894.7U
Authority: CN
Inventors: 李朝坎; 谢小军; 李潮静; 周强; 王晓健
Original assignee: Hedian Electrical Co ltd
Current assignee: Hedian Electrical Co ltd
Priority date: 2021-03-29
Filing date: 2021-03-29
Publication date: 2021-11-05
Anticipated expiration: 2031-03-29

Abstract

The utility model discloses a modular mutual-inductor calibration equipment, including button, workstation, mutual-inductor, ampere meter, transformer, voltmeter and jack, the utility model discloses a set up jack in the workstation inboard, drive the transformer through the mounting panel, inside the ampere meter, voltmeter and mutual-inductor move down and enter into the workstation to and cover sealed through the inboard top of moving the closing plate with the workstation, and the use is through the constant head tank to transformer, ampere meter, voltmeter and mutual-inductor and stabilize spacing support, reached and receive and release fast after the device finishes the mutual-inductor calibration, reduce the dust accumulation, and prevent that the collision from dropping the harm and bring economic loss's beneficial effect.

Description

Combined mutual inductor calibration device

Technical Field

The utility model particularly relates to a modular mutual-inductor calibration equipment relates to the relevant field of calibration equipment.

Background

The transformer is also called as instrument transformer, which is a general name of current transformer and voltage transformer, can change high voltage into low voltage, and large current into small current, and is used for measuring or protecting system, its function is mainly to convert high voltage or large current into standard low voltage (100V) or standard small current (5A or 1A, both referring to rated value) in proportion, so as to realize standardization and miniaturization of measuring instrument, protecting equipment and automatic control equipment, the transformer needs to check the using parameter of the transformer by checking device in the production process.

After the calibration device is used, the calibration device is usually placed on a workbench in an external mode, a large amount of dust is easily accumulated, and the calibration device is also easily damaged by external acting force, so that economic loss is caused, and the calibration device is easily shaken in the using process to influence a calibration structure.

SUMMERY OF THE UTILITY MODEL

Therefore, in order to solve the above insufficiency, the utility model provides a modular mutual-inductor calibration equipment here.

The utility model is realized in such a way, a combined mutual inductor calibration device is constructed, the device comprises a button and a workbench, the button is embedded at the left end of the rear end face of the workbench, a retraction mechanism is arranged at the inner side of the workbench, the retraction mechanism comprises an electric push rod, a driving plate, a rotating plate, a guide frame, a connecting plate, a mounting plate, a sealing mechanism, a limiting plate, a guide rod and positioning grooves, the electric push rod is arranged at the right lower end of the inner side of the workbench, the bottoms of the outer sides of the driving plate and the rotating plate are rotationally connected with a piston rod at the left side of the electric push rod through the same rotating shaft, the driving plate is hinged at the bottom of the outer side of the connecting plate, the rotating plate is rotationally connected with the right end of the outer side of the guide frame, the guide frame is arranged at the middle part of the bottom end face of the inner side of the workbench, the connecting plate is slidably arranged at the inner side of the guide frame, the connecting plate is connected with the middle part of the bottom end face of the mounting plate, the top end face of the mounting plate is provided with more than two positioning grooves, the sealing mechanism is arranged at the top of the inner side of the workbench, the limiting plate is fastened at the middle upper part of the inner side of the workbench, the guide rod is locked at the edge of the bottom end face of the mounting plate and penetrates through the top end face of the limiting plate.

Preferably, a mutual inductor, an ammeter, a transformer and a voltmeter are arranged on the top of the workbench.

Preferably, sealing mechanism includes lug, spout, square piece, closing plate, ejector pad and circle piece, the lug is provided with two in workstation right-hand member face, and two lugs are located workstation right-hand member face front and back both sides respectively, the spout is seted up in workstation inboard front and back both ends top and two lugs front and back opposite face, square piece sets up in closing plate front and back terminal surface bottom, and the ejector pad is installed at closing plate right-hand member face top, the circle piece sets up in closing plate front and back terminal surface top, and the circle piece activity stretches into in the spout is inboard.

Preferably, the locating slot is provided with more than two locating slots on the top end face of the mounting plate, and the size of the inner side of the locating slot corresponds to the mutual inductor, the ammeter, the transformer and the voltmeter.

Preferably, four ends of the guide rod are distributed at the bottom end face of the mounting plate, and the top end face of the limiting plate is provided with matched through holes.

Preferably, the mounting plate is of a square structure, and the size of the outer side of the mounting plate corresponds to the size of the inner side of the workbench.

Preferably, the top end face of the limiting plate is provided with a rubber sheet, and the thickness of the rubber sheet is 0.1cm to 0.5 cm.

Preferably, the pushing block is of a trapezoidal structure, and the upper end and the lower end of the right end face of the pushing block are respectively provided with convex stripes extending horizontally from front to back.

The utility model has the advantages of as follows: the utility model discloses an improve and provide a modular mutual-inductor calibration equipment here, compare with equipment of the same type, have following improvement:

the method has the advantages that: a modular mutual-inductor calibration equipment, it is inboard in the workstation through having set up jack mechanism, drive the transformer through the mounting panel, the ampere meter, voltmeter and mutual-inductor downstream enter into the workstation inside, and cover the inboard top of workstation sealed through the removable seal board, and the use is through the constant head tank to the transformer, the ampere meter, voltmeter and mutual-inductor stabilize spacing support, reached and receive and release fast after finishing the mutual-inductor calibration at the device, reduce the dust accumulation, and prevent that the collision from dropping the harm and bring economic loss's beneficial effect.

The method has the advantages that: a modular mutual-inductor calibration equipment has seted up more than two in mounting panel top face through the constant head tank, and the inboard size of constant head tank is corresponding to mutual-inductor, ampere meter, transformer and voltmeter, is convenient for place mutual-inductor, ampere meter, transformer and voltmeter in the constant head tank simultaneously.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front sectional view of the retracting mechanism of the present invention;

FIG. 3 is a schematic view of the bottom structure of the support plate of the present invention;

fig. 4 is a schematic structural view of the sealing mechanism of the present invention;

fig. 5 is a schematic structural view of the sealing plate of the present invention.

Wherein: the device comprises a button-1, a workbench-2, a mutual inductor-3, an ammeter-4, a transformer-5, a voltmeter-6, a radio-relief mechanism-7, an electric push rod-71, a transmission plate-72, a rotating plate-73, a guide frame-74, a connecting plate-75, a mounting plate-76, a sealing mechanism-77, a limiting plate-78, a guide rod-79, a positioning groove-710, a bump-771, a chute-772, a square block-773, a sealing plate-774, a push block-775 and a round block-776.

Detailed Description

The present invention will be described in detail with reference to the accompanying fig. 1-5, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the utility model provides a modular mutual-inductor calibration equipment here through improving, including button 1 and workstation 2, button 1 imbeds in 2 rear end face left ends of workstation, and 2 tops of workstation are provided with mutual-inductor 3, ampere meter 4, transformer 5 and voltmeter 6.

Referring to fig. 2 and 3, the present invention provides a combined transformer calibration device through improvement, wherein the retracting mechanism 7 is disposed inside the workbench 2, the retracting mechanism 7 includes an electric push rod 71, a driving plate 72, a rotating plate 73, a guide frame 74, a connecting plate 75, a mounting plate 76, a sealing mechanism 77, a limiting plate 78, a guide rod 79 and a positioning slot 710, the electric push rod 71 is mounted at the right lower end inside the workbench 2 to drive the driving plate 72 and the rotating plate 73 to rotate, the outer bottoms of the driving plate 72 and the rotating plate 73 are rotatably connected to a left side piston rod of the electric push rod 71 through a same rotating shaft, so that the electric push rod 71 simultaneously drives the driving plate 72 and the rotating plate 73 to rotate, the driving plate 72 is hinged to the outer bottom of the connecting plate 75 to drive the connecting plate 75 to move upward, the rotating plate 73 is rotatably connected to the outer right end of the guide frame 74, so that the use process of the electric push rod 71 is more stable, the guide frame 74 is arranged in the middle of the bottom end face of the inner side of the workbench 2 and provides supporting force for the connecting plate 75, the connecting plate 75 is slidably arranged on the inner side of the guide frame 74, the connecting plate 75 is connected to the middle of the bottom end face of the mounting plate 76 so that the connecting plate 75 can drive the mounting plate 76 to vertically move, the top end face of the mounting plate 76 is provided with more than two positioning grooves 710, the mounting plate 76 is of a square structure, the size of the outer side of the mounting plate 76 corresponds to the size of the inner side of the workbench 2 so that the mounting plate 76 can stably and vertically move, the sealing mechanism 77 is arranged at the top of the inner side of the workbench 2, the limiting plate 78 is fastened at the middle upper part of the inner side of the workbench 2, the top end face of the limiting plate 78 is provided with a rubber sheet, the thickness of the rubber sheet is 0.1cm to 0.5cm, the impact force of the mounting plate 76 on the limiting plate 76 is reduced, the guide rod 79 is locked at the edge of the bottom end face of the mounting plate 76, and the guide rod 79 penetrates through the top end face of the limiting plate 78, four guide rods 79 are distributed at four ends of the bottom end face of the mounting plate 76, matched through holes are formed in the top end face of the limiting plate 78, the mounting plate 76 can move vertically more stably, more than two positioning grooves 710 are formed in the top end face of the mounting plate 76, the size of the inner side of each positioning groove 710 corresponds to that of the mutual inductor 3, the ammeter 4, the transformer 5 and the voltmeter 6, and the mutual inductor 3, the ammeter 4, the transformer 5 and the voltmeter 6 can be conveniently placed in the positioning grooves 710 at the same time.

Referring to fig. 4 and 5, the utility model provides a combined transformer calibration device through improvement, a sealing mechanism 77 includes a projection 771, a chute 772, a square 773, a sealing plate 774, a push block 775 and a round block 776, the projection 771 is disposed on the right end face of the workbench 2, and the two projections 771 are respectively disposed on the front and back of the right end face of the workbench 2, so as to facilitate the movement of the sealing plate 774 at a larger distance, the chute 772 is disposed on the top of the front and back ends of the inner side of the workbench 2 and the front and back opposite faces of the two projections 771, so as to facilitate the movement of the sealing plate 774, the square 773 is disposed at the bottom of the front and back end faces of the sealing plate 774, so as to facilitate the square 773 to enter the chute 772 to support and limit the sealing plate 76, the push block 775 is disposed at the top of the right end face of the sealing plate 774, so as to facilitate the pushing of the sealing plate 774 to move, the push block 775 is of a trapezoidal structure, and the upper and the lower end face of the push block 775 are respectively provided with protruding stripes extending horizontally, prevent to promote the ejector pad 775 process and slide, the disk 776 sets up in terminal surface top around the closing plate 774, and the activity of disk 776 stretches into inboard in spout 772, and the disk 776 of being convenient for drives closing plate 774 and removes.

The utility model provides a combined mutual inductor calibration device through improvement, and the working principle is as follows;

firstly, connecting the connection points of the mutual inductor 3, the ammeter 4, the transformer 5 and the voltmeter 6 correspondingly by using special connecting wires, then connecting the checking device to an external power supply through the button 1, adjusting the voltage in the checking device through the transformer 5, and then checking and displaying the relevant parameters of the mutual inductor 3 through the ammeter 4 and the voltmeter 6;

secondly, after the verification is finished, the electric push rod 71 is started to drive the transmission plate 72 and the rotating plate 73 to rotate, the transmission plate 72 drives the connecting plate 75 to move downwards, and the connecting plate 75 drives the fixedly connected mounting plate 7 to move downwards, so that the mounting plate 7 drives the mutual inductor 3, the ammeter 4, the transformer 5 and the voltmeter 6 to move downwards to enter the workbench 2 for winding and unwinding, the guide rod 79 moves along the limiting plate 78, the energization of the electric push rod 71 is stopped after the mounting plate 76 contacts the limiting plate 78, and the positions of the mounting plate 76, the mutual inductor 3, the ammeter 4, the transformer 5 and the voltmeter 6 are fixed at the moment;

thirdly, the sealing plate 774 is rotated upwards to drive the round block 776 and the square block 773 to rotate, when the sealing plate 774 rotates upwards to be in a horizontal state, the sealing plate 774 stops rotating, the square block 773 is aligned with the sliding groove 772, and then the pushing block 775 is pushed leftwards to drive the sealing plate 774 to move leftwards to seal the top of the inner side of the workbench 2.

The utility model provides a combined transformer checking device through improvement, the transformer 5, the ammeter 4, the voltmeter 6 and the transformer 3 are driven by the mounting plate to move downwards to enter the inside of the workbench, and the top of the inner side of the workbench 2 is covered and sealed by the movable sealing plate 774, and the transformer 5, the ammeter 4, the voltmeter 6 and the mutual inductor 3 are stably limited and supported by the locating slots in the using process, so that the device has the advantages of quickly collecting and releasing the mutual inductor 3 after the mutual inductor 3 is checked, reducing dust accumulation, preventing the collision, falling and damage from bringing economic loss, more than two positioning grooves 710 are formed in the top end face of the mounting plate 76, and the size of the inner side of each positioning groove 710 corresponds to that of the mutual inductor 3, the ammeter 4, the transformer 5 and the voltmeter 6, so that the mutual inductor 3, the ammeter 4, the transformer 5 and the voltmeter 6 can be conveniently placed in the positioning grooves at the same time.

Claims

1. A combined transformer calibration device comprises a button (1) and a workbench (2), wherein the button (1) is embedded in the left end of the rear end face of the workbench (2);

the method is characterized in that: still include jack (7), jack (7) set up in workstation (2) inboard, jack (7) include electric putter (71), driving plate (72), commentaries on classics board (73), leading truck (74), connecting plate (75), mounting panel (76), sealing mechanism (77), limiting plate (78), guide bar (79) and constant head tank (710), electric putter (71) are installed in workstation (2) inboard right side lower extreme, driving plate (72) and commentaries on classics board (73) outside bottom are connected with electric putter (71) left side piston rod through same pivot rotation, driving plate (72) articulate in connecting plate (75) outside bottom, commentaries on classics board (73) and leading truck (74) outside right-hand member rotate and are connected, leading truck (74) are installed in workstation (2) inboard bottom face middle part, connecting plate (75) slidable mounting is inboard in leading truck (74), and connecting plate (75) are connected in mounting panel (76) bottom end face middle part, mounting panel (76) top end face has seted up two above constant head tank (710), sealing mechanism (77) set up in workstation (2) inboard top, limiting plate (78) fasten in workstation (2) inboard middle and upper portion, guide bar (79) closure is in mounting panel (76) bottom end face border department, and guide bar (79) run through in limiting plate (78) top end face.

2. The combined transformer calibrator of claim 1, wherein: and a mutual inductor (3), an ammeter (4), a transformer (5) and a voltmeter (6) are arranged on the top of the workbench (2).

3. The combined transformer calibrator of claim 1, wherein: sealing mechanism (77) include lug (771), spout (772), square piece (773), closing plate (774), ejector pad (775) and circle piece (776), lug (771) is provided with two in workstation (2) right-hand member face, and just two lug (771) are located workstation (2) right-hand member face front and back both sides respectively, both ends top and two lug (771) front and back opposition around workstation (2) inboard are seted up in spout (772), square piece (773) set up in closing plate (774) front and back terminal surface bottom, ejector pad (775) install in closing plate (774) right-hand member face top, circle piece (776) set up in closing plate (774) front and back terminal surface top, and circle piece (776) activity stretches into in spout (774) inboard.

4. The combined transformer calibrator of claim 1, wherein: the locating groove (710) is provided with more than two locating grooves on the top end face of the mounting plate (76), and the size of the inner side of the locating groove (710) corresponds to that of the mutual inductor (3), the ammeter (4), the transformer (5) and the voltmeter (6).

5. The combined transformer calibrator of claim 1, wherein: four guide rods (79) are distributed at four ends of the bottom end face of the mounting plate (76), and the top end face of the limiting plate (78) is provided with matched through holes.

6. The combined transformer calibrator of claim 1, wherein: the mounting plate (76) is of a square structure, and the size of the outer side of the mounting plate (76) corresponds to the size of the inner side of the workbench (2).

7. The combined transformer calibrator of claim 1, wherein: the top end face of the limiting plate (78) is provided with a rubber sheet, and the thickness of the rubber sheet is 0.1 cm-0.5 cm.

8. The combined transformer calibrator of claim 3, wherein: the push block (775) is of a trapezoidal structure, and the upper end and the lower end of the right end face of the push block (775) are respectively provided with convex stripes which horizontally extend from front to back.