Reinforced fixing structure of load coil outgoing line terminal

Abstract

The utility model relates to a reinforced fixing structure of a load coil outgoing line terminal, comprising a coil, two ends of which are respectively an incoming line terminal and an outgoing line terminal; one end of the fixed support plate is fixedly arranged on the coil; the fixed insulating part I is arranged between the wire outlet end and the fixed support plate; the fasteners penetrate through the wire outlet end, the first fixing insulating part and the fixing support plate, the fasteners are used for locking and fixing the wire outlet end, the first fixing insulating part and the fixing support plate, and second insulating parts are arranged between the fasteners and the wire outlet end and between the fasteners. According to the reinforced fixing structure of the load coil outlet terminal, the coil outlet terminal can be fixed through the arranged fixing support plate, the structural strength of the coil is improved, and the dynamic stability of the coil can be improved in a 50kA short-time large-current test; and the probability of safety accidents caused by jittering of the outgoing line terminal in the dynamic stability test is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of coils, in particular to a reinforced fixing structure of a load coil outlet terminal. Background Art

[0002] A transformer is a device that uses the principle of electromagnetic induction to change AC power. The iron core and coil winding are the two basic components of a transformer. Currently, the coil winding of a transformer is mostly made of flat copper wire or single-strand round copper wire.

[0003] As the basic component of the transformer to transform voltage, the coil is composed of different numbers of turns. Since the voltage per turn of different coils is the same, it is necessary to make the coil have different numbers of turns to achieve different voltages. When the transformer is running, current passes through the coil, generating resistance loss in the coil conductor, causing heat and reducing the efficiency of the transformer. For this reason, the coil is made of metal with high conductivity, and the commonly used conductor is copper.

[0004] At present, coils are mostly made of copper enameled wire wound around the iron core. After the coil is wound, the coil terminals are connected to the wires of other electrical equipment to meet various needs in actual use. There is a gap between the lead-out end of the coil and the wire, and it is easy to loosen, which poses a great safety hazard. Utility Model Content

[0005] Therefore, the technical problem to be solved by the utility model is to overcome the problem in the prior art that the outlet terminal of the coil is easily loosened due to shaking during use, causing the risk of safety accidents.

[0006] In order to solve the above technical problems, the utility model provides a reinforced fixing structure of a load coil output terminal, including: a coil, whose two ends are respectively an input terminal and an output terminal; a fixed support plate, one end of which is fixedly arranged on the coil; a fixed insulating member 1, which is arranged between the output terminal and the fixed support plate; a fastener, which passes through the output terminal, the fixed insulating member 1 and the fixed support plate, and the fastener is used to lock and fix the output terminal, the fixed insulating member 1 and the fixed support plate, and an insulating member 2 is arranged between the fastener and the output terminal, and between the fastener and the fastener.

[0007] In one embodiment of the present invention, the coil is wound into a ring shape, the inlet end is located at the inner circle of the coil, and the outlet end is located at the outer circle of the coil.

[0008] In one embodiment of the utility model, the incoming line end is connected to an incoming line terminal, and the outgoing line end is connected to, and the incoming line terminal and the outgoing line terminal are both arranged along the radial direction of the coil.

[0009] In one embodiment of the present invention, one end of the fixed support plate is welded to the outer wall of the coil, and the fixed support plate is arranged parallel to the outlet terminal.

[0010] In an embodiment of the present invention, the first fixed insulating member is in the shape of a circular sleeve, and a circular through hole is provided at the center of the first fixed insulating member.

[0011] In one embodiment of the utility model, the fastener includes a bolt and a nut, the stud portion of the bolt passes through the outlet terminal, the fixed insulating part 1, the fixed support plate and the insulating part 2, the head of the bolt is in contact with one of the insulating parts 2, the bolt is locked by the nut, and the nut is in contact with the other insulating part 2.

[0012] In an embodiment of the present invention, the material of the fixed insulating member 1 is an epoxy glass cloth board.

[0013] In an embodiment of the present invention, the material of the second insulating member is epoxy glass cloth board.

[0014] In one embodiment of the present invention, a plurality of insulating spacers are provided between adjacent turns of the coils, and the plurality of insulating spacers are used for insulation between adjacent turns of the coils.

[0015] In one embodiment of the present invention, the insulating spacers on the same circumference are arranged in a circular array.

[0016] The above technical solution of the utility model has the following beneficial effects compared with the prior art:

[0017] The reinforced fixing structure of the load coil output terminal described in the utility model can fix the coil output terminal by means of the fixed support plate, thereby increasing the structural strength of the coil; it can increase the dynamic stability capability of the coil during a 50kA short-time high current test; and it can fix the output terminal to reduce the probability of safety accidents caused by shaking of the output terminal during a dynamic stability test. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to make the content of the utility model easier to understand, the utility model is further described in detail according to the specific embodiments of the utility model in combination with the accompanying drawings, wherein

[0019] Figure 1 It is a structural schematic diagram of the reinforced fixing structure of the load coil outlet terminal in the preferred embodiment of the utility model.

[0020] Explanation of the reference numerals in the specification: coil 1, incoming line end 11, incoming line terminal 111, outgoing line end 12, outgoing line terminal 121, fixed support plate 2, fixed insulating member 1 3, fastener 4, bolt 41, nut 42, insulating member 2 5, insulating spacer 6. DETAILED DESCRIPTION

[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0022] Reference Figure 1 As shown, the reinforced fixing structure of the load coil outlet terminal of the utility model includes: a coil 1, a fixed support plate 2, a fixed insulating member 3 and a fastener 4 and other parts; the coil 1, whose two ends are the incoming terminal 11 and the outgoing terminal 12 respectively; the fixed support plate 2, one end of which is fixedly arranged on the coil 1; the fixed insulating member 3, which is arranged between the outgoing terminal 12 and the fixed support plate 2; the fastener 4, which passes through the outgoing terminal 12, the fixed insulating member 3 and the fixed support plate 2, and the fastener 4 is used to lock and fix the outgoing terminal 12, the fixed insulating member 3 and the fixed support plate 2, and an insulating member 5 is arranged between the fastener 4 and the outgoing terminal 12, and between the fastener 4 and the fastener 4.

[0023] The fixed support plate 2 and the outer wall of the coil 1 are fixed to play a role of stable support. The outlet terminal 12 is locked together with the fixed support plate 2 by the fastener 4, so as to fix the outlet terminal 12 to prevent loosening. The set fixed insulating member 1 3 and insulating member 2 5 can play an insulating role between the fastener 4, the outlet terminal 12 and the fixed support plate 2.

[0024] In the above structure, the coil 1 is wound into a ring shape, the inlet terminal 11 is located in the inner circle of the coil 1, and the outlet terminal 12 is located in the outer circle of the coil 1. The inlet terminal 11 is connected to an inlet terminal 111, and the outlet terminal 12 is connected to a, and the inlet terminal 111 and the outlet terminal 121 are both arranged along the radial direction of the coil 1.

[0025] In the above structure, one end of the fixed support plate 2 is welded to the outer wall of the coil 1 , and the fixed support plate 2 is arranged parallel to the outlet terminal 121 .

[0026] In the above structure, the fixed insulating member 3 is in the shape of a circular sleeve, and a circular through hole is provided at the center of the fixed insulating member 3.

[0027] In the above structure, the fastener 4 includes a bolt 41 and a nut 42, the stud portion of the bolt 41 passes through the outlet terminal 12, the fixed insulating member 1 3, the fixed support plate 2 and the insulating member 2 5, the head of the bolt 41 contacts one of the insulating members 2 5, the bolt 41 is locked by the nut 42, and the nut 42 contacts the other insulating member 2 5.

[0028] In the above structure, the material of the fixed insulating member 1 3 and the insulating member 2 5 is epoxy glass cloth board. Epoxy glass cloth board is the base material of printed circuit board, made of glass fiber, has high mechanical and dielectric properties, good heat resistance and moisture resistance, and is suitable for the production of high insulation structural parts for machinery, electrical appliances and electronics. The epoxy glass cloth board made of hard material is selected here to avoid the possibility of elastic insulating parts loosening when fixed.

[0029] In the above structure, a plurality of insulating spacers 6 are provided between the turns of adjacent coils 1, and the plurality of insulating spacers 6 are used for insulation between the turns of adjacent coils 1. The insulating spacers 6 on the same circumference are arranged in a circular array. Preferably, the number of insulating spacers 6 provided on each circumference is 12, and they are arranged between the turns of adjacent coils 1 at equal intervals in a circular array, so as to separate the turns of adjacent coils 1 and play a good insulating and isolating role.

[0030] Obviously, the above embodiments are merely examples for the purpose of clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the scope of protection of the invention of the utility model.

Claims

1. A reinforced fixing structure for a load coil outlet terminal, characterized in that: include, The coil has two ends, an inlet end and an outlet end; A fixed support plate, one end of which is fixedly arranged on the coil; A fixed insulating member 1, which is arranged between the outlet terminal and the fixed support plate; A fastener passes through the outlet terminal, a fixed insulating member 1 and a fixed support plate, and is used to lock and fix the outlet terminal, the fixed insulating member 1 and the fixed support plate. An insulating member 2 is provided between the fastener and the outlet terminal, and between the fasteners and the fasteners.

2. The reinforced fixing structure of the load coil outlet terminal according to claim 1, characterized in that: The coil is wound into a ring shape, the inlet end is located at the inner circle of the coil, and the outlet end is located at the outer circle of the coil.

3. The reinforced fixing structure of the load coil outlet terminal according to claim 2, characterized in that: The incoming line end is connected to an incoming line terminal, and the outgoing line end is connected to a , and both the incoming line terminal and the outgoing line terminal are arranged along the radial direction of the coil.

4. The reinforced fixing structure of the load coil outlet terminal according to claim 3, characterized in that: One end of the fixed support plate is welded to the outer wall of the coil, and the fixed support plate is arranged parallel to the outlet terminal.

5. The reinforced fixing structure of the load coil outlet terminal according to claim 4, characterized in that: The fixed insulating member 1 is in the shape of a circular sleeve, and a circular through hole is provided at the center of the fixed insulating member 1.

6. The reinforced fixing structure of the load coil outlet terminal according to claim 5, characterized in that: The fastener includes a bolt and a nut, the stud portion of the bolt passes through the outlet terminal, the fixed insulating member 1, the fixed support plate and the insulating member 2, the head of the bolt contacts one of the insulating members 2, the bolt is locked by the nut, and the nut contacts the other insulating member 2.

7. The reinforced fixing structure of the load coil outlet terminal according to claim 1, characterized in that: The material of the fixed insulating member 1 is epoxy glass cloth board.

8. The reinforced fixing structure of the load coil outlet terminal according to claim 1, characterized in that: The material of the second insulating member is epoxy glass cloth board.

9. The reinforced fixing structure of the load coil outlet terminal according to claim 2, characterized in that: A plurality of insulating spacers are arranged between turns of adjacent coils, and the plurality of insulating spacers are used for insulation between turns of adjacent coils.

10. The reinforced fixing structure of the load coil outlet terminal according to claim 9, characterized in that: The insulating spacers on the same circumference are arranged in a circular array.

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