CN210091859U

CN210091859U - Ignition transformer

Info

Publication number: CN210091859U
Application number: CN201921340617.2U
Authority: CN
Inventors: 张旭
Original assignee: Yibin Xintong Electronic Equipment Factory
Current assignee: Yibin Xintong Electronic Equipment Factory
Priority date: 2019-08-16
Filing date: 2019-08-16
Publication date: 2020-02-18
Anticipated expiration: 2029-08-16

Abstract

The utility model discloses an ignition transformer, which comprises a cross iron core, wherein a primary coil is wound at one end of a vertical iron core of the cross iron core, and at least one secondary coil is wound at the other end of the vertical iron core of the cross iron core; the primary coil and the secondary coil are separated by a straight iron core of the cross-shaped iron core. The contact area is increased after the 45-degree chamfer angle and the 60-degree chamfer angle are formed on the outer frame and the cross-shaped iron core, so that the iron loss is reduced; the iron core is changed into a cross structure, so that the assembly of products is more convenient, the production efficiency is further improved, and the performance is consistent with that of the traditional structure; one or two secondary coils are wound at the other end of the vertical iron core of the cross-shaped iron core to change the final output voltage value of the ignition transformer, so that the ignition transformer is suitable for wider application scenes.

Description

Ignition transformer

Technical Field

The utility model relates to a transformer technical field especially relates to an ignition transformer.

Background

The ignition transformer is a special transformer, also called ignition coil; it is commonly used for ignition of automobiles, motorcycles, burners of kilns and other industries. It is a device which can provide energy for equipment to ignite fuel, and the whole ignition process is completed in only a few seconds, and the efficiency is very high. At present, the traditional ignition transformer is generally of an EI-shaped structure, and iron cores E and I are alternately stacked into a B-shaped iron core; the iron core of the traditional ignition transformer is formed by overlapping an E-shaped sheet and an I-shaped sheet, the production and assembly efficiency is generally not high, and the problem to be solved at present is how to improve the traditional ignition transformer to further improve the production and assembly efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide an ignition transformer, improve through carrying out the appearance to traditional ignition transformer, can further improve production and assembly efficiency.

The purpose of the utility model is realized through the following technical scheme: an ignition transformer comprises a cross-shaped iron core, wherein a primary coil is wound on one end of a vertical iron core of the cross-shaped iron core, and at least one secondary coil is wound on the other end of the vertical iron core of the cross-shaped iron core; the primary coil and the secondary coil are separated by a straight iron core of the cross-shaped iron core.

Furthermore, the upper end and the lower end of the vertical iron core are both provided with a first chamfer and a second chamfer which are convex outwards, the first chamfer at the upper end of the vertical iron core and the second chamfer at the lower end of the vertical iron core are arranged on the same side, and the second chamfer at the upper end of the vertical iron core and the first chamfer at the lower end of the vertical iron core are arranged on the same side.

Further, one or two secondary coils are wound on the other end of the cross-shaped iron core vertical iron core.

Further, an input port is connected to the primary coil.

Further, an output port is connected to the secondary coil.

Furthermore, the cross-shaped iron core is fixed in the outer frame in a welding mode.

Furthermore, the upper end and the lower end of the outer frame are both provided with a first chamfer and a second chamfer which are concave; and the first chamfer at the upper end of the outer frame and the second chamfer at the lower end are on the same side, and the second chamfer at the upper end of the outer frame and the first chamfer at the lower end are on the same side.

Further, the angle of the first chamfer is 60 ° and the angle of the second chamfer is 45 °.

Further, the cross-shaped iron core is formed by overlapping a plurality of cross-shaped sheets, and the outer frame is formed by overlapping a plurality of outer frame sheets.

Furthermore, the plurality of cross-shaped pieces are overlapped and fixed through an iron belt, and the plurality of outer frame-shaped pieces are overlapped and fixed through an iron belt; the outer frame is also provided with a fixing hole.

The utility model has the advantages that: an ignition transformer increases the contact area after chamfering of 45 degrees and 60 degrees is arranged on an outer frame and a cross iron core, so that the iron loss is reduced; the iron core is changed into a cross structure, so that the assembly of products is more convenient, the production efficiency is further improved, and the performance is consistent with that of the traditional structure; one or two secondary coils are wound at the other end of the vertical iron core of the cross-shaped iron core to change the final output voltage value of the ignition transformer, so that the ignition transformer is suitable for wider application scenes.

Drawings

FIG. 1 is a structural view of a cross-shaped core and coil;

FIG. 2 is a view showing the overall structure of the product;

FIG. 3 is a structural view of a cross-shaped iron core

In the figure, 1-cross iron core, 2-primary coil, 3-secondary coil, 4-output port, 5-input port, 6-outer frame, 7-first chamfer, 8-second chamfer, 9-fixing hole and 10-iron belt.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the utility model is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element to which the term refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.

As shown in fig. 1, an ignition transformer comprises a cross-shaped iron core 1, wherein a primary coil 2 is wound on one end of a vertical iron core of the cross-shaped iron core 1, and at least one secondary coil 3 is wound on the other end of the vertical iron core; the primary coil 2 and the secondary coil 3 are separated by a straight iron core of the cross-shaped iron core 1.

The upper end and the lower end of the vertical iron core are both provided with a first chamfer 7 and a second chamfer 8 which are convex outwards, the first chamfer 7 at the upper end and the second chamfer 8 at the lower end of the vertical iron core are on the same side, and the second chamfer 8 at the upper end and the first chamfer 7 at the lower end of the vertical iron core are on the same side.

Furthermore, the left side of the upper end of the vertical iron core is provided with a convex first chamfer 7, and the right side is provided with a convex second chamfer 8; a convex second chamfer 8 is arranged on the left side of the lower end of the vertical iron core, and a convex first chamfer 7 is arranged on the right side of the lower end of the vertical iron core.

One or two secondary coils 3 are wound on the other end of the vertical iron core of the cross-shaped iron core 1.

An input port 5 is connected to the primary coil 2.

An output port 4 is connected to the secondary coil 3.

Further, the primary coil 2 and the secondary coil 3 are both coils formed by winding copper wires, the input port 5 is a three-port input port, and the three ports are connected with the starting end of the copper wire of the primary coil 2.

Further, when the other end of the vertical iron core of the cross-shaped iron core 1 is wound with one secondary coil 3, only 1 output port 4 is connected with the tail end of the secondary coil 3 through one copper sheet, and the output voltage is 8 kV; when the other end of the vertical iron core of the cross-shaped iron core 1 is wound with two secondary coils 3, two output ports 4 are arranged at the time, each output port 4 is connected with the tail end of the corresponding secondary coil 3 through a copper sheet, and the voltage output by the two output ports 4 is 10 kV. The voltage value finally output by the ignition transformer is changed by winding one or two secondary coils 3 at the other end of the vertical iron core of the cross-shaped iron core 1, so that the ignition transformer is suitable for wider application scenes.

As shown in fig. 2 and 3, the iron core further includes an outer frame 6, and the cross-shaped iron core 1 is fixed in the outer frame 6 by welding.

The upper end and the lower end of the outer frame 6 are both provided with a first chamfer 7 and a second chamfer 8 which are concave inwards; and the first chamfer 7 at the upper end of the outer frame 6 and the second chamfer 8 at the lower end are on the same side, and the second chamfer 8 at the upper end of the outer frame 6 and the first chamfer 7 at the lower end are on the same side.

Furthermore, an inner frame at the upper end of the outer frame 6 is provided with a first concave chamfer 7 positioned on the left side and a second concave chamfer 8 positioned on the right side; the second chamfer 8 that is located the indent of left side and the first chamfer 7 that is located the indent on right side are seted up to the lower extreme inside casing of frame 6.

The angle of the first chamfer 7 is 60 ° and the angle of the second chamfer 8 is 45 °.

The cross-shaped iron core 10 is formed by overlapping a plurality of cross-shaped sheets, and the outer frame 6 is formed by overlapping a plurality of outer frame sheets.

Further, the outer frame 6 is formed by overlapping a plurality of iron outer frame segments.

Further, the contact area between the cross-shaped iron core and the outer frame 6 can be increased by arranging the first chamfer of 60 degrees and the second chamfer of 45 degrees on the outer frame 6 and the cross-shaped iron core, so that the purpose of reducing iron loss is achieved.

The plurality of cross-shaped sheets are overlapped and then fixed through the iron belt 10, and the plurality of outer frame-shaped sheets are overlapped and then fixed through the iron belt 10; the outer frame 6 is also provided with a fixing hole 9.

Further, the ignition transformer is conveniently fixed in the packaging box by arranging a fixing hole 9 on the outer frame 6.

Further, the assembly process of the product is as follows: firstly, overlapping a plurality of cross-shaped sheets to form a cross-shaped iron core 1, and binding all the cross-shaped sheets through an iron belt 10; copper wires are respectively wound at two ends of a vertical iron core of the cross-shaped iron core 1 to form a primary coil 2 and a secondary coil 3, and the starting end of the copper wire of the primary coil 2 is connected with an input port 5 and the tail end of the copper wire of the secondary coil 2 is connected with an input port 4; when the cross iron core 1 is fixed in the outer frame 6, a first chamfer 7 and a second chamfer 8 which are outwards protruded and arranged at the upper end of the vertical iron core are embedded into a first chamfer 7 and a second chamfer 8 which are inwards recessed and arranged in an inner frame at the upper end of the outer frame 6, a second chamfer 8 and a first chamfer 7 which are outwards protruded and arranged at the lower end of the vertical iron core are embedded into a second chamfer 8 and a first chamfer 7 which are inwards recessed and arranged in an inner frame at the lower end of the outer frame 6, and the upper end and the lower end of the vertical iron core of the cross iron core 1 are fixed on the outer frame 6 in a welding mode; then the ignition transformer is placed in a packaging box, the ignition transformer is fixed in the ignition packaging box through a fixing hole 9 formed in an outer frame 6, and an input port 5 and an output port 4 are fixed on an outgoing port formed in the packaging box.

Further, the utility model discloses a theory of operation does: an external input voltage is connected to an input port 5, wherein the input port 5 is provided with three ports and corresponds to the input of three-phase voltage (220V or 380V); when some industrial products (such as burners and kiln burners) need to be ignited, the input voltage is converted into the output voltage of 8kV to 10kV through the primary coil 2 and the secondary coil 3 so as to achieve the value of the output voltage needed by the ignition of the corresponding industrial products.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. An ignition transformer, characterized by: the transformer comprises a cross iron core (1), wherein a primary coil (2) is wound on one end of a vertical iron core of the cross iron core (1), and at least one secondary coil (3) is wound on the other end of the vertical iron core; the primary coil (2) and the secondary coil (3) are separated by a straight iron core of the cross-shaped iron core (1).

2. An ignition transformer as claimed in claim 1, characterised in that: the upper end and the lower end of the vertical iron core are both provided with a first chamfer (7) and a second chamfer (8) which are convex outwards, the first chamfer (7) at the upper end and the second chamfer (8) at the lower end of the vertical iron core are arranged on the same side, and the second chamfer (8) at the upper end and the first chamfer (7) at the lower end of the vertical iron core are arranged on the same side.

3. An ignition transformer as claimed in claim 1, characterised in that: one or two secondary coils (3) are wound at the other end of the vertical iron core of the cross-shaped iron core (1).

4. An ignition transformer according to any one of claims 1-3, characterised in that: the primary coil (2) is connected with an input port (5).

5. An ignition transformer according to any one of claims 1-3, characterised in that: and the secondary coil (3) is connected with an output port (4).

6. An ignition transformer as claimed in claim 1, characterised in that: the iron core assembly is characterized by further comprising an outer frame (6), and the cross-shaped iron core (1) is fixed in the outer frame (6) in a welding mode.

7. An ignition transformer as claimed in claim 6, characterised in that: the upper end and the lower end of the outer frame (6) are both provided with a first chamfer (7) and a second chamfer (8) which are concave inwards; and the first chamfer (7) at the upper end of the outer frame (6) and the second chamfer (8) at the lower end are on the same side, and the second chamfer (8) at the upper end of the outer frame (6) and the first chamfer (7) at the lower end are on the same side.

8. An ignition transformer as claimed in claim 2 or 7, characterised in that: the angle of the first chamfer (7) is 60 DEG, and the angle of the second chamfer (8) is 45 deg.

9. An ignition transformer as claimed in claim 7, characterised in that: the cross iron core (1) is formed by overlapping a plurality of cross section sheets, and the outer frame (6) is formed by overlapping a plurality of outer frame section sheets.

10. An ignition transformer as claimed in claim 9, characterised in that: the plurality of cross-shaped sheets are overlapped and then fixed through the iron belt (10), and the plurality of outer frame-shaped sheets are overlapped and then fixed through the iron belt (10); the outer frame (6) is also provided with a fixing hole (9).