JPS6031214A - Trance - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed description of the invention] Technical field of invention This invention relates to a 1-lance.

Technical background of the invention and its problems 1 - When assembling the lance, a pass ground plate C is laminated inside the leakage core I3 in order to keep the main core A and the leakage core B at the same potential as shown in FIG. , when assembling leakage core B to the main core, the bus earth FiC
There is a type that is inserted into the main core A, but when assembling the leakage core B, each core piece of the main core A cannot be fixed and must be assembled in an unstable state. It has the disadvantage of being difficult to work with.

Purpose of the Invention The present invention has been made in view of the above points, and its object is to provide a single hermetic spring that can extremely easily connect a leakage iron core to a main iron core via a pass ground plate. .

Summary of the Invention This invention laminates a pass ground plate in a leakage core, and a contact piece facing the inner peripheral surface of the coil is integrally formed on the pass ground plate, so that the leakage core and the coil can be connected to the main core. The contact piece can be brought into contact with the outer surface of the leg of the main core when assembling the main core, and therefore assembly can be carried out extremely easily.

Embodiment of the Invention An embodiment of the present invention will be explained with reference to FIGS.
and is provided. The 1Σ type iron core 1 has a central leg 3 and two legs 11 on both sides, and the medium-heat leg 3 is equipped with two high-voltage and low-voltage coils 5 and 6.
A pair of left and right glued cage iron cores 7 are installed between the holes 6 and 6.

One coil 5 is surrounded by a pair of left and right insulating members 8 formed by bending insulating paper into a square shape so that the winding portions can be bundled. The other coil 6 is bound together with the leakage core 7 on each side by an insulating member 9 or 10. The pair of left and right insulation parts f'J9 and 10 are formed by bending the insulation sheet 1-11 having the same external shape along the fold line 12 shown as a dotted line in FIG. The numbers are numbered by scrolling left and right. The number of folded lines 12 is six, which allows the plurality of covered surfaces 13°14.15, 15, 16, 17, 1B, 19
is formed. The masking surface 15 is formed short to match the height of the central leg 3 of the coil 6, the upper part of the masking surface 16 is formed wide, and the upper part of the masking surface 17 has four holes (J holes 20 formed therein). Two separation pieces 22 are formed by making a cut 21 in 19. Then, the connection terminal 2
The leg portions 24 of No. 3 are inserted into the mounting holes 20 from the front side and are crimped on the back side. Therefore, by folding the insulation sheet 1-11 and covering one side of the coil 6 and covering the leakage core 7, the two are insulated, and the insulation member 9 or 10 formed through this process is bound together with the tape 25. . Furthermore, pass ground plates 26 are laminated in the leakage core 7, and a contact piece 27 facing the inner circumferential surface of the coil 6 is integrally bent and formed on these pass ground plates 26. Furthermore, the lead wire 28 of the coil 6 is soldered to the connection terminal 23. In addition, minute 11JiJ'i
' 22 is bent at an acute angle with respect to the masking surface 18 and presses both ends of the leakage core 7.

In this drawing, J3 has coils 5.6 and 5.6 in E-type core 1.
The leakage core 7 and the leakage core 7 are assembled, but since the leakage core 7 is bound to the coil 6 by the insulating portions i49 and 10, fewer assembly steps are required. Further, during this assembly, the contact piece 27 of the path ground 26 is supported by the inner circumferential surface of the coil 6 and resiliently contacts the outer surface of the central leg 3 while bending. Therefore, in the main assembly, each core J4 of the E-type core 1 can be stacked and fixed,
Assembly work can be carried out extremely easily in a stable state.

Effects of the Invention This invention has the following advantages: By integrally bending contact pieces that contact the legs of the main core facing the inner circumferential surface of the coil on the pass ground plate laminated in the leakage core in two series,
The leakage core and the main core can be connected at the same time as the coil and the cage core are attached to the main core, and therefore, the assembly work can be carried out very easily.

[Brief explanation of the drawing]

Fig. 1 is an exploded perspective view showing a conventional example, Figs. 2 to 6 show an embodiment of the present invention, Fig. 2 is a horizontal sectional view, and Fig. 3 is an insulated LiW 4 is a plan view of the insulating sheet 1-, FIG. 5 is a perspective view of the insulating member, and FIG. 6 is a partially enlarged sectional view showing the mounting structure of the connecting terminal. 1... E-type core (main core), 3... Legs, 5, 6...
・Coil, 7...Leakage core, 26...Pass earth plate. 27...Contact piece applicant: Tokyo Electric Co., Ltd. '70 36 Fig.

Claims (1)

[Claims] A leakage core is provided which contacts both sides of one end surface of the coil and is held together with the coil by the main core. A transformer characterized in that a contact piece that contacts the outer surface of the leg of the main core on the inner peripheral surface side of the coil is integrally bent and formed on the bus ground layered in the leakage core.