CN212542086U

CN212542086U - Ignition transformer

Info

Publication number: CN212542086U
Application number: CN202021534940.6U
Authority: CN
Inventors: 杜玉锋
Original assignee: Dalian Kunbo Machinery Equipment Co ltd
Current assignee: Dalian Kunbo Machinery Equipment Co ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-02-12
Anticipated expiration: 2030-07-29

Abstract

The utility model relates to the technical field of transformers, in particular to an ignition transformer, which comprises a shell, a cover body and a transformer main body; the cover body covers the opening of the shell; the transformer main body is located inside the shell and comprises an iron core, a primary coil and a secondary coil, the primary coil and the secondary coil are sleeved on the iron core, the transformer main body is packaged in an epoxy resin block, heat-conducting fillers are uniformly mixed in the epoxy resin block, a plurality of heat pipes are vertically inserted into the upper end of the epoxy resin block, heat absorbing sections of the heat pipes are located inside the epoxy resin block, and heat radiating sections of the heat pipes extend out of through holes in the cover body. This ignition transformer has improved the insulating properties of transformer through encapsulating the transformer main part in the epoxy block, avoids the transformer main part to wet and the atmosphere is ageing, distributes away the heat in time through the heat pipe, has improved the performance of transformer, has prolonged the life of transformer.

Description

Ignition transformer

Technical Field

The utility model relates to a transformer technical field, concretely relates to ignition transformer.

Background

The ignition transformer is a conversion element for generating high-voltage output, two groups of coils, namely a primary coil and a secondary coil, are arranged in a common ignition transformer, the primary coil is made of a thicker enameled wire, and the enameled wire with the thickness of about 0.5-1 mm is usually wound for about 200 and 500 turns; the secondary coil is wound with thinner enameled wires, usually around 15000-. The principle of the ignition device is that high voltage is converted from low voltage, and the high voltage is generated in a small gap to play a role of ignition, the transformer is input at low voltage, output at high voltage, determines the power of the transformer according to the output power, generally adopts electric pulse to trigger an ignition gun of a fuel oil burner and a gas burner, and is widely applied to houses, businesses and factories.

The existing ignition transformer is generally composed of a shell, an iron core, a primary coil and a secondary coil, is poor in moisture resistance and water resistance and insulativity, and when internal components work, the generated heat is difficult to dissipate, so that the transformer shell is directly embodied to be hot, and the safety coefficient is poor while the service life is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that above-mentioned exists, designed an ignition transformer, this transformer simple structure, dampproofing, waterproof, insulating properties is good, and the heat of production is convenient for distribute, has prolonged ignition transformer's life.

In order to realize the technical purpose, reach above-mentioned technological effect, the utility model discloses a realize through following technical scheme:

an ignition transformer comprises a shell, a cover body and a transformer main body; the upper end of the shell is provided with an opening, and the lower end of the shell is provided with a first wire passing hole and a second wire passing hole; the cover body covers the opening of the shell; the transformer main body is located inside the shell and comprises an iron core, a primary coil and a secondary coil, the iron core is in a mouth shape, the primary coil and the secondary coil are sleeved on the iron core, the transformer main body is packaged in an epoxy resin block, heat conducting fillers are uniformly mixed in the epoxy resin block, two ends of the primary coil are led out from the lower end of the epoxy resin block and are electrically connected with an input cable, two ends of the secondary coil are led out from the lower end of the epoxy resin block and are electrically connected with an output cable, the input cable and the output cable are respectively led out from a first wire passing hole and a second wire passing hole, a plurality of heat pipes are vertically inserted in the upper end of the epoxy resin block, through holes are formed in positions, corresponding to the heat pipes, on the cover body, heat absorbing sections of the heat pipes are located inside the epoxy resin block, and heat dissipating sections.

Furthermore, the left side and the right side of the rear end of the shell are fixedly provided with mounting blocks, and the mounting blocks are provided with screw holes.

Further, the heat conducting filler is a ceramic filler.

Further, the heat conducting filler is aluminum oxide or silicon carbide.

Furthermore, radiating fins are uniformly fixed on the radiating section of the heat pipe.

The utility model has the advantages that:

this ignition transformer is through encapsulating transformer main part in the epoxy piece, epoxy is fire-retardant, it is insulating, dampproofing, it is waterproof, the insulating properties of transformer has been improved, avoid transformer main part to wet and the atmospheric aging, mix the heat conduction filler in the epoxy piece, the vertical insertion in epoxy piece upper end is equipped with a plurality of heat pipes, the heat conduction filler has improved epoxy's heat conductivity, the heat that makes transformer main part during operation produce gives the heat pipe fast, in time distribute away the heat through the heat pipe, the performance of transformer has been improved, the life of transformer has been prolonged.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

fig. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is an exploded view of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-shell, 11-first wire through hole, 12-second wire through hole, 13-mounting block, 2-cover, 21-through hole, 3-iron core, 31-primary coil, 32-secondary coil, 4-input cable, 5-output cable, 6-epoxy resin block, 7-heat pipe, 71-radiating fin.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 3, an ignition transformer includes a case 1, a cover 2, and a transformer main body; the upper end of the shell 1 is opened, and the lower end is provided with a first wire passing hole 11 and a second wire passing hole 12; the cover body 2 covers the opening of the shell 1, and the cover body 2 and the shell 1 are fixed by gluing; the transformer main part is located inside 1 casing, and the transformer main part includes iron core 3, primary coil 31 and secondary 32, and iron core 3 is the mouth type, and primary 31 and secondary 32 all overlap and establish on iron core 3, and the transformer main part encapsulation has the heat conduction filler in epoxy 6, the homogeneous mixing in the epoxy 6, and wherein the heat conduction filler is ceramic packing, and is concrete, and the heat conduction filler is alumina or carborundum, keeps electrical insulation nature when improving the heat conductivity. The two ends of the primary coil 31 are led out from the lower end of the epoxy resin block 6 and are electrically connected with the input cable 4, the two ends of the secondary coil 32 are led out from the lower end of the epoxy resin block 6 and are electrically connected with the output cable 5, the input cable 4 and the output cable 5 are led out from the first wire passing hole 11 and the second wire passing hole 12 respectively, a plurality of heat pipes 7 are vertically inserted into the upper end of the epoxy resin block 6, the number of the heat pipes 7 is three, through holes 21 are formed in positions, corresponding to the heat pipes 7, on the cover body 2, heat absorption sections of the heat pipes 7 are located inside the epoxy resin block 6, and heat dissipation sections of the heat pipes 7 extend out. In order to facilitate the rapid heat dissipation of the heat dissipation section of the heat pipe 7, the heat dissipation fins 71 are uniformly fixed on the heat dissipation section of the heat pipe 7.

In order to facilitate the installation and fixation of the ignition transformer, the left side and the right side of the rear end of the shell 1 are fixedly provided with the installation blocks 13, the installation blocks 13 are provided with screw holes, during the fixation, the heat pipe radiating section of the transformer faces upwards, and the transformer is fixed on equipment by passing through the installation blocks 13 through screws.

The working principle is as follows: when the ignition device is used, an external input voltage is connected to the input cable 4, and when the burner of the burner or the kiln needs to be ignited, the input voltage is converted into an output voltage of 8kV to 10kV through the primary coil 31 and the secondary coil 32, so that the output voltage value needed by ignition of a corresponding industrial product is achieved. The heat that ignition transformer during operation produced gives the heat absorption section for heat pipe 7 through the epoxy that mixes the heat conduction filler fast, and heat pipe 7 heat absorption section endotherm back in time distributes away the heat through the heat dissipation section, and the transformer main part encapsulation is in epoxy piece 6, and epoxy has improved the insulating properties of transformer, avoids transformer main part to be affected with the tide and the atmosphere is ageing, in time distributes away the heat through heat pipe 7, has improved the performance of transformer, has prolonged the life of transformer.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art should be able to make changes, alterations, additions or substitutions within the scope of the present invention.

Claims

1. An ignition transformer, characterized by: comprises a shell, a cover body and a transformer main body; the upper end of the shell is provided with an opening, and the lower end of the shell is provided with a first wire passing hole and a second wire passing hole; the cover body covers the opening of the shell; the transformer main body is located inside the shell and comprises an iron core, a primary coil and a secondary coil, the iron core is in a mouth shape, the primary coil and the secondary coil are sleeved on the iron core, the transformer main body is packaged in an epoxy resin block, heat conducting fillers are uniformly mixed in the epoxy resin block, two ends of the primary coil are led out from the lower end of the epoxy resin block and are electrically connected with an input cable, two ends of the secondary coil are led out from the lower end of the epoxy resin block and are electrically connected with an output cable, the input cable and the output cable are respectively led out from a first wire passing hole and a second wire passing hole, a plurality of heat pipes are vertically inserted in the upper end of the epoxy resin block, through holes are formed in positions, corresponding to the heat pipes, on the cover body, heat absorbing sections of the heat pipes are located inside the epoxy resin block, and heat dissipating sections.

2. An ignition transformer as claimed in claim 1, characterised in that: the left side and the right side of the rear end of the shell are fixedly provided with mounting blocks, and the mounting blocks are provided with screw holes.

3. An ignition transformer as claimed in claim 1, characterised in that: the heat conducting filler is ceramic filler.

4. An ignition transformer as claimed in claim 3, characterised in that: the heat conducting filler is aluminum oxide or silicon carbide.

5. An ignition transformer as claimed in claim 1, characterised in that: radiating fins are uniformly fixed on the radiating section of the heat pipe.