CN210051835U

CN210051835U - Power frequency transformer power testing device

Info

Publication number: CN210051835U
Application number: CN201920631533.8U
Authority: CN
Inventors: 林森茂
Original assignee: Tianchang Fuan Electronic Co Ltd
Current assignee: Tianchang Fuan Electronic Co Ltd
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-02-11
Anticipated expiration: 2029-05-06

Abstract

The utility model discloses a power frequency transformer power testing arrangement belongs to transformer test technical field, including bottom plate, switch and rack, the first fixed beam of surface mounting and the fixed roof beam of second of bottom plate, first fixed beam with be connected through the threaded rod of two parallels between the fixed roof beam of second, the threaded rod passes the cap is adjusted in the one end installation of first fixed roof beam. Through installing the rack on the threaded rod, the rack is used for fixing a power frequency transformer, twist and move the removal that adjusts the cap and drive the threaded rod and rotate and realize the rack, thereby make the rack can be close to arbitrary one in first fixed beam and the second fixed beam at will, when the rack is close to the binding post on two fixed beams, the high low-voltage end of transformer can contact with binding post, binding post passes through switch electric connection power test equipment again, consequently, be close to two binding post through adjusting the rack, can realize the power test of transformer high low-voltage end.

Description

Power frequency transformer power testing device

Technical Field

The utility model relates to a transformer test technical field, in particular to power frequency transformer power testing arrangement.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: the power transformer and the special transformer (electric furnace transformer, rectification transformer, power frequency test transformer, voltage regulator, mining transformer, audio transformer, intermediate frequency transformer, high frequency transformer, impact transformer, instrument transformer, electronic transformer, reactor, mutual inductor, etc.), the transformer needs to measure the no-load power of high and low voltage after the production is finished, and the no-load input power of the transformer comprises iron loss and primary winding copper loss. The no-load input current and the direct current resistance of the primary winding are measured, the copper loss during no-load can be calculated, and the iron loss of the transformer is obtained by subtracting the no-load copper loss from the no-load input power, so that whether the produced transformer is qualified or not can be measured.

The conventional transformer power testing device still has certain defects when in use, and generally, when the transformer is measured, all terminals of power testing equipment need to be clamped on one end point of the high-low voltage end of the transformer, and the other end point is changed after the measurement is finished, so that the connection point needs to be changed twice when each transformer measures power, and the efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is complicated just in order to solve the wiring operation that need make a round trip when above-mentioned transformer power testing arrangement test transformer, the problem of inefficiency and provide a power frequency transformer power testing arrangement, have the transformer test and need not the wiring, efficiency of software testing is high, and the transformer is got and is put convenient advantage.

The utility model realizes the purpose by the following technical proposal, a power frequency transformer power testing device comprises a bottom plate, a switch and a placing frame, wherein the surface of the bottom plate is provided with a first fixed beam and a second fixed beam which are connected by two parallel threaded rods, the threaded rods pass through one end of the first fixed beam and are provided with an adjusting cap, the other end of the threaded rods are rotatably connected with the second fixed beam by a rotating shaft, the middle parts of the first fixed beam and the second fixed beam are provided with wiring terminals which are connected with the input end of the switch by wires, the output end of the switch is connected with an external power tester, the outer wall of the threaded rod between the first fixed beam and the second fixed beam is movably provided with the placing frame, the interior of the placing frame is provided with the power frequency transformer, and the low-voltage end and the high-voltage end of the power frequency transformer are respectively symmetrical to the two wiring terminals.

Preferably, the placing frame is composed of a movable seat and a clamping groove, and the clamping groove is matched with the specification of the power frequency transformer.

Preferably, the rubber pad is laid to the inner wall of draw-in groove, and the top installation elastic bandage of draw-in groove, elastic bandage's both ends are connected with the sliding seat.

Preferably, two threaded through holes are formed in the movable seat, and the threaded through holes are in threaded connection with the threaded rod.

Preferably, the wiring terminal comprises an installation block and a conducting rod, and an electric wire connected with the switch is arranged at one end, far away from the placing frame, of the conducting rod.

Preferably, the inside of installation piece is equipped with the mounting groove, and the outer wall installation inserted block of conducting rod, swing joint between inserted block and the mounting groove.

Compared with the prior art, the beneficial effects of the utility model are that: through installing the rack on the threaded rod, the rack is used for fixing a power frequency transformer, twist and move the removal that the regulation cap drove the threaded rod and rotate and realize the rack, thereby make the rack can be close to arbitrary one in first fixed beam and the second fixed beam at will, when the rack is close to the binding post on two fixed beams, the high-low voltage end of transformer can contact with binding post, binding post passes through switch electric connection power test equipment again, consequently, be close to two binding post through adjusting the rack, can realize the power test of transformer high-low voltage end, power frequency transformer card on the rack is on the draw-in groove, reuse elastic bandage tightens, make things convenient for power frequency transformer's dismantlement and installation, binding post's conducting rod conveniently takes off, be convenient for adjust the quantity of conducting rod on the binding post according to the end of the line quantity.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the structure of the rack of the present invention.

Fig. 3 is a schematic view of the connection terminal structure of the present invention.

In the figure: 1. the bottom plate, 2, first fixed beam, 3, the fixed beam of second, 4, binding post, 5, threaded rod, 6, adjust the cap, 7, rotation axis, 8, switch, 9, rack, 10, power frequency transformer, 11, movable seat, 12, screw perforation, 13, draw-in groove, 14, rubber pad, 15, elastic bandage, 16, installation piece, 17, inserted block, 18, conducting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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. 1-3, a power frequency transformer power testing device comprises a bottom plate 1, a switch 8 and a placing frame 9, wherein a first fixed beam 2 and a second fixed beam 3 are installed on the surface of the bottom plate 1, the first fixed beam 2 and the second fixed beam 3 are connected through two parallel threaded rods 5, the threaded rods 5 penetrate through one end of the first fixed beam 2 and are provided with an adjusting cap 6, the other end of the threaded rods 5 are rotatably connected with the second fixed beam 3 through a rotating shaft 7, the middle parts of the first fixed beam 2 and the second fixed beam 3 are respectively provided with a wiring terminal 4, the wiring terminals 4 are respectively connected with the input end of the switch 8 through wires, the output end of the switch 8 is connected with an external power tester, the outer wall of the threaded rod 5 between the first fixed beam 2 and the second fixed beam 3 is movably provided with the placing frame 9, the power frequency transformer 10 is installed inside the placing frame 9, the low-voltage end and the high-voltage end of the power frequency transformer 10 are respectively symmetrical to the two wiring terminals 4, the placing frame 9 is used for fixing the power frequency transformer 10, after the power frequency transformer 10 is fixed, the high-voltage end point and the low-voltage end point just correspond to the wiring terminals 4 on the first fixed beam 2 and the second fixed beam 3, the high-voltage end point and the low-voltage end point are separately measured when the power frequency transformer 10 is used for measuring the power, two adjusting caps 6 are simultaneously rotated towards one direction when the high-voltage end point is measured, so that the threaded rod 5 rotates, the placing frame 9 which is rotationally connected with the threaded rod 5 can move on the threaded rod 5 until the high-voltage end terminal of the power frequency transformer 10 is contacted with the wiring terminals 4, the switch 8 is switched on, so that external power testing equipment tests the power of the high-voltage end of the power frequency transformer 10, then the switch 8 is, the switch 8 is turned on to measure the power at the low voltage end.

The placing frame 9 consists of a movable seat 11 and a clamping groove 13, the clamping groove 13 is matched with the specification of the power frequency transformer 10, a rubber gasket 14 is laid on the inner wall of the clamping groove 13, an elastic bandage 15 is arranged above the clamping groove 13, two ends of the elastic bandage 15 are connected with the movable seat 11, two threaded through holes 12 are arranged on the movable seat 11, the threaded through holes 12 are in threaded connection with the threaded rod 5, the threaded rod 5 can transversely displace when the placing frame 9 rotates due to the threaded through holes 12 of the placing frame 9, the clamping groove 13 is used for clamping the power frequency transformer 10, the rubber gasket 14 prevents the power frequency transformer 10 from being worn, the elastic bandage 15 is used for tightening the power frequency transformer 10 to prevent the power frequency transformer 10 from falling off, the wiring terminal 4 consists of a mounting block 16 and a conductive rod 18, an electric wire connected with the switch 8 is arranged at one end of the conductive rod 18 far away from, swing joint between inserted block 17 and the mounting groove, conducting rod 18 is used for contacting the high-low pressure end of power frequency transformer 10, and conducting rod 18 conveniently dismantles and installs moreover, can increase or reduce the quantity of conducting rod 18 according to the end of a thread quantity of the high-low pressure end of power frequency transformer 10, and the flexibility is better in the use.

The utility model discloses a theory of operation: firstly, a power frequency transformer 10 to be measured is clamped inside a clamping groove 13 of a placing frame 9, then the power frequency transformer 10 is tightened by using an elastic bandage 15, an adjusting cap 6 is rotated towards one direction, a threaded rod 5 rotates, the placing frame 9 moves towards one wiring terminal 4, a switch 8 is connected with an external power testing device to measure the no-load power of one end of the power frequency transformer 10, then the switch 8 is turned off, the adjusting cap 6 is rotated reversely, the placing frame 9 moves towards the other wiring terminal 4, and the switch 8 is connected with the external power testing device to measure the no-load power of the other end of the power frequency transformer 10.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a power frequency transformer power testing arrangement which characterized in that: including bottom plate (1), switch (8) and rack (9), the first fixed beam of surface mounting (2) and the fixed beam of second (3) of bottom plate (1), first fixed beam (2) with be connected through two parallel threaded rod (5) between the fixed beam of second (3), threaded rod (5) are passed the one end installation regulation cap (6) of first fixed beam (2), the other end of threaded rod (5) pass through rotation axis (7) with rotate between the fixed beam of second (3) and be connected, first fixed beam (2) with binding post (4) are all installed at the middle part of the fixed beam of second (3), just binding post (4) all through the electric wire with the input of switch (8) is connected, the output of switch (8) is connected with outside power tester, first fixed beam (2) with threaded rod (5) outer wall movable mounting between the fixed beam of second (3) binding post (4) the outer wall movable mounting of first fixed beam (2) with The power frequency transformer comprises a placing frame (9), wherein a power frequency transformer (10) is arranged inside the placing frame (9), and the low-voltage end and the high-voltage end of the power frequency transformer (10) are respectively symmetrical to two wiring terminals (4).

2. The power frequency transformer power testing device of claim 1, wherein: the placing frame (9) is composed of a movable seat (11) and a clamping groove (13), and the clamping groove (13) is matched with the specification of the power frequency transformer (10).

3. The power frequency transformer power testing device of claim 2, wherein: rubber pad (14) are laid to the inner wall of draw-in groove (13), and the top installation elastic bandage (15) of draw-in groove (13), the both ends of elastic bandage (15) are connected with sliding seat (11).

4. The power frequency transformer power testing device of claim 2, wherein: two threaded through holes (12) are formed in the movable seat (11), and the threaded through holes (12) are in threaded connection with the threaded rod (5).

5. The power frequency transformer power testing device of claim 1, wherein: the wiring terminal (4) is composed of a mounting block (16) and a conducting rod (18), and an electric wire connected with the switch (8) is arranged at one end, far away from the placing frame (9), of the conducting rod (18).

6. The power frequency transformer power testing device of claim 5, wherein: the inside of installation piece (16) is equipped with the mounting groove, and the outer wall installation inserted block (17) of conducting rod (18), swing joint between inserted block (17) and the mounting groove.