CN208873588U

CN208873588U - A kind of toroidal transformer of low surge current

Info

Publication number: CN208873588U
Application number: CN201821305896.4U
Authority: CN
Inventors: 岳泽; 杨健
Original assignee: Suzhou Wubian Electric Technology Co Ltd
Current assignee: Suzhou Wubian Electric Technology Co Ltd
Priority date: 2018-08-14
Filing date: 2018-08-14
Publication date: 2019-05-17
Anticipated expiration: 2028-08-14

Abstract

The utility model discloses a kind of toroidal transformers of low surge current, including core body, the inside of the core body offers cutting gap, the side wall of the cutting gap is coated with insulated paint dope layer, the inside of the cutting gap is filled with insulating paper, and the side wall of the core body is connected with spring clip.The utility model passes through setting cutting gap, insulated paint dope layer and insulating paper, transformer core body after winding, one of cutting gap is cut into core body by relevant device again, an insulating paper is encased inside at cutting gap, and then it can be penetrated at the cutting gap in core body by insulated paint dope layer, noise and vibration caused by being further reduced because of air gap, since the size of the cutting gap in core body is very small, loss and leakage field can't significantly increase, surge current when toroidal transformer closes a floodgate is reduced simultaneously, retain its high efficiency simultaneously, the advantages of low magnetism leakage.

Description

A kind of toroidal transformer of low surge current

Technical field

The utility model relates to transformer technology field, specially a kind of toroidal transformer of low surge current.

Background technique

Transformer is the device for changing alternating voltage using the principle of electromagnetic induction, and main member is primary coil, secondary Grade coil and iron core (magnetic core), major function has: voltage transformation, current transformation, impedance transformation, isolation, pressure stabilizing (magnetic saturation transformation Device) etc., can be divided into, according to use: (electric furnace becomes, rectifies change, power frequency testing transformer, pressure regulation for power transformer and special transformer Device, mining change, audio-frequency transformer, intermediate-frequency transformer, high frequency transformer, impact transformer, instrument transformer, electronic transformer, Reactor, mutual inductor etc.).

But disadvantage possessed by toroidal transformer currently on the market is insufficient:

1. not protecting structure, directly naked to be exposed on the external, service life is short；

2. general toroidal transformer core is entity structure, using effect is bad.

Utility model content

(1) the technical issues of solving

In view of the deficiencies of the prior art, the utility model provides a kind of toroidal transformer of low surge current, solves The bad problem of the toroidal transformer using effect of existing low surge current.

(2) technical solution

To achieve the above object, the utility model provides the following technical solutions: a kind of toroidal transformer of low surge current, Including core body, the inside of the core body offers cutting gap, and the side wall of the cutting gap is coated with insulated paint The inside of dope layer, the cutting gap is filled with insulating paper, and the side wall of the core body is connected with spring clip, described The inside of spring clip is fixedly connected with connecting rod, and one end of the connecting rod is fixedly connected with pull rod, and the core body is seated outer The top of the inside of shell, the core body is equipped with conductor wire, and the conductor wire is wrapped on the surface of wiring pile, the wiring The inside for being fixedly mounted on connecting plate of stake, the connecting plate are threadedly coupled by fixing bolt with shell, the shell Side wall on offer threaded hole.

Preferably, there are two the quantity of the spring clip, two spring clips are with the center line pair of iron core core body Claim setting.

Preferably, one end of the connecting rod is fixedly connected with one end of spring clip, the other end and spring clip of the connecting rod The other end be flexibly connected.

Preferably, one end of the spring clip is fixedly connected with shell, and the inside of shell is run through simultaneously in one end of the connecting rod Extend to outside.

Preferably, the shell is symmetrical structure, and the shell is rotatablely connected by shaft.

Preferably, the internal whorl of the threaded hole is connected with screw rod, and the screw rod is through to the inside of two shells simultaneously Extend to outside.

Preferably, there are two the quantity of the wiring pile, a wiring pile is lead-in pile, and a wiring pile is outlet stake.

(3) beneficial effect

Compared with prior art, the utility model provides a kind of toroidal transformer of low surge current, and having following has Beneficial effect:

(1) the utility model is by setting cutting gap, insulated paint dope layer and insulating paper, in the core body of transformer It is cut into one of cutting gap in core body after winding, then through relevant device, one is encased inside at cutting gap Insulating paper, and then can be penetrated at the cutting gap in core body by insulated paint dope layer, it is further reduced because air gap is led The noise and vibration of cause, since the size of the cutting gap in core body is very small, loss and leakage field can't be significantly increased, The advantages of reducing surge current when toroidal transformer closes a floodgate simultaneously, while retaining its high efficiency, low magnetism leakage.

(2) core body is placed in one, in turn by the utility model by setting shell, shaft and screw rod by shell It is fixed, while core body is fixed by spring clip, and then to inside early period by the movable shell of screw rod Core body be fixed, reinforce protection to core body, further enhance the toroidal transformer of the low surge current Practicability.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the utility model core body structural schematic diagram；

Fig. 3 is the utility model cutting gap schematic diagram of internal structure.

In figure: 1, core body；2, cutting gap；3, insulated paint dope layer；4, insulating paper；5, spring clip；6, connecting rod；7, Pull rod；8, shell；9, shaft；10, conductor wire；11, wiring pile；12, connecting plate；13, fixing bolt；14, threaded hole；15, spiral shell Bar.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1-3, a kind of toroidal transformer of low surge current, including core body 1, the inside of core body 1 Cutting gap 2 is offered, the side wall of cutting gap 2 is coated with insulated paint dope layer 3, and the inside of cutting gap 2 is filled with insulation Paper 4 is cut between one of cutting in the core body 1 of transformer after winding, then through relevant device in core body 1 Gap 2 is encased inside an insulating paper 4 at cutting gap 2, and then can penetrate into cutting in core body 1 by insulated paint dope layer 3 It cuts at gap 2, noise and vibration caused by being further reduced because of air gap, since the size of the cutting gap 2 in core body 1 is non- Often small, loss and leakage field can't significantly increase, while reduce surge current when toroidal transformer closes a floodgate, while retain its height The advantages of efficiency, low magnetism leakage, the side wall of core body 1 are connected with spring clip 5, and there are two the quantity of spring clip 5, two bullets For spring folder 5 with the center line symmetrical setting of iron core core body 1, the inside of spring clip 5 is fixedly connected with connecting rod 6, one end of connecting rod 6 It is fixedly connected with one end of spring clip 5, the other end of connecting rod 6 is flexibly connected with the other end of spring clip 5, and one end of connecting rod 6 is solid Surely it is connected with pull rod 7, core body 1 is seated the inside of shell 8, and one end of spring clip 5 is fixedly connected with shell 8, connecting rod 6 One end runs through the inside of shell 8 and extends to outside, and shell 8 is symmetrical structure, and shell 8 is rotatablely connected by shaft 9, iron The top of heart ontology 1 is equipped with conductor wire 10, and conductor wire 10 is wrapped on the surface of wiring pile 11, and the quantity of wiring pile 11 has two A, a wiring pile 11 is lead-in pile, and a wiring pile 11 is outlet stake, and wiring pile 11 is fixedly mounted on the interior of connecting plate 12 Portion, connecting plate 12 are threadedly coupled by fixing bolt 13 with shell 8, and threaded hole 14, screw thread are offered on the side wall of shell 8 The internal whorl in hole 14 is connected with screw rod 15, and screw rod 15 is through to the inside of two shells 8 and extends to outside, passes through shell 8 Core body 1 is placed in one, and then is fixed by the movable shell 8 of screw rod 15, while by spring clip 5 to iron core Ontology 1 is fixed, and then the core body 1 inside early period is fixed, and reinforces the protection to core body 1, into one Step enhances the practicability of the toroidal transformer of the low surge current.

When in use, cutting gap 2 is cut out using corresponding cutting equipment in core body 1 first, then cut Insulated paint dope layer 3 is coated on gap 2, and then fills insulating paper 4 inside it, shell 8 is opened secondly by shaft 9, simultaneously Core body 1 is fixed by the spring clip 5 on 8 inner wall of shell, and then by screw rod 15 through threaded hole 14 and its spiral shell Line connection, is fixed, and then by the way that conductor wire 10 is fixed in core body 1, while conductor wire 10 is wrapped in wiring pile On 11, and then wiring pile 11 is fixedly mounted on connecting plate 12, and connecting plate 12 carries out screw thread company by fixing bolt 13 and shell 8 It connects, and then convenient to use.

In conclusion the toroidal transformer of the low surge current, pass through setting cutting gap 2, insulated paint dope layer 3, absolutely Edge paper 4, shell 8, shaft 9 and screw rod 15 solve the problems, such as that the toroidal transformer using effect of existing low surge current is bad.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims

1. a kind of toroidal transformer of low surge current, including core body (1), it is characterised in that: the core body (1) Inside offers cutting gap (2), and the side wall of the cutting gap (2) is coated with insulated paint dope layer (3), the cutting gap (2) inside is filled with insulating paper (4), and the side wall of the core body (1) is connected with spring clip (5), the spring clip (5) inside is fixedly connected with connecting rod (6), and one end of the connecting rod (6) is fixedly connected with pull rod (7), the core body (1) It is seated the inside of shell (8), the top of the core body (1) is equipped with conductor wire (10), and the conductor wire (10) is wrapped in On the surface of wiring pile (11), the inside for being fixedly mounted on connecting plate (12) of the wiring pile (11), the connecting plate (12) It is threadedly coupled by fixing bolt (13) with shell (8), offers threaded hole (14) on the side wall of the shell (8).

2. a kind of toroidal transformer of low surge current according to claim 1, it is characterised in that: the spring clip (5) Quantity there are two, two spring clips (5) are with the center line symmetrical setting of iron core core body (1).

3. a kind of toroidal transformer of low surge current according to claim 1, it is characterised in that: the connecting rod (6) One end is fixedly connected with the one end of spring clip (5), and the other end of the connecting rod (6) is flexibly connected with the other end of spring clip (5).

4. a kind of toroidal transformer of low surge current according to claim 1, it is characterised in that: the spring clip (5) One end be fixedly connected with shell (8), one end of the connecting rod (6) through shell (8) inside and extend to outside.

5. a kind of toroidal transformer of low surge current according to claim 1, it is characterised in that: the shell (8) is Symmetrical structure, the shell (8) are rotatablely connected by shaft (9).

6. a kind of toroidal transformer of low surge current according to claim 1, it is characterised in that: the threaded hole (14) Internal whorl be connected with screw rod (15), the screw rod (15) is through to the inside of two shells (8) and extends to outside.

7. a kind of toroidal transformer of low surge current according to claim 1, it is characterised in that: the wiring pile (11) Quantity there are two, wiring pile (11) is lead-in pile, and a wiring pile (11) is outlet stake.