CN214672175U - Single E-type inductive transformer - Google Patents

Abstract

The utility model discloses a single E type inductive transformer, including an E type magnetic core, inductance skeleton and coil, the coil coiling on the inductance skeleton, E type magnetic core on set up the insulating ring, the insulating ring cover establish at E type magnetic core outside. The utility model discloses the coil coiling is on inductance skeleton, and inductance skeleton cover is on the center post of E type magnetic core to side post card is in inductance skeleton's outside, and insulating snare is on E type magnetic core, plays insulating effect, and can firmly fix inductance skeleton on E type magnetic core, through the setting of single E type magnetic core, has reduced the use of the raw and other materials of magnetic core, and single E type magnetic core is for two E type magnetic cores, has lacked the manufacturing procedure of an E type magnetic core, greatly reduced manufacturing cost.

Description

Single E-type inductive transformer

Technical Field

The utility model relates to an electronic components field, more specifically the utility model relates to a single E type inductance transformer.

Background

At present, an inductance transformer is a device for changing an alternating voltage by using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).

The inductance transformer is an indispensable spare and accessory part in the electronic equipment, and it mainly forms prior art by the composite set such as inductance magnetic core, skeleton and coil, and conventional inductance magnetic core adopts EE type structure, opens inductance magnetic core's air gap at the center pillar, and upper and lower limit post contacts each other, and the preparation technology is complicated like this, and process flow's is with high costs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve current foretell problem, provide a single E type inductance transformer.

For the purpose of realizing above, the technical scheme of the utility model is a single E type inductance transformer, a serial communication port, including an E type magnetic core, inductance skeleton and coil, E type magnetic core include the bottom plate, the bottom plate in the middle of set up the center post, the bottom plate both ends set up the side post, side post and center post all with bottom plate fixed connection, the side post the same with the height of center post, the bottom plate on the side post at both ends the same with the interval of center post, inductance skeleton cover establish the center post outside at E type magnetic core, inductance skeleton highly be greater than the height of E type magnetic core, the coil coiling on inductance skeleton, E type magnetic core on set up the insulating collar, insulating collar establish outside E type magnetic core. The coil winding is on inductance skeleton, inductance skeleton cover is on the center post of E type magnetic core, and the side post card is in inductance skeleton's outside, insulating ring overlaps on E type magnetic core, play insulating effect, and can firmly fix inductance skeleton on E type magnetic core, setting through single E type magnetic core, the use of the raw and other materials of magnetic core has been reduced, and single E type magnetic core is for two E type magnetic cores, the manufacturing procedure of an E type magnetic core has been lacked, greatly reduced manufacturing cost, and can guarantee inductance transformer's normal parameter.

Optionally, the inductance skeleton include bobbin, bobbin upper end set up the top plate body, bobbin lower extreme set up the bottom plate body, top plate body and bottom plate body all with bobbin fixed connection. The winding framework is used for winding coils, the top plate body and the bottom plate body play a role in blocking, the coils are prevented from falling off from the winding framework, and the effect of enhancing the strength of the inductance framework can be achieved.

Optionally, the bottom plate body is provided with pins and pin holes, the pins are fixedly arranged in the pin holes, and the side edge of the bottom plate body is also provided with lead grooves corresponding to the pin holes. Set up the pin on the bottom plate body, the coil is connected with the pin, sets up the lead wire groove on the bottom plate body in addition, can make things convenient for being connected of coil head and pin like this to can prevent coil and pin hookup location's wearing and tearing, greatly increased inductance transformer's life.

Optionally, the top plate body on set up logical groove, the bottom plate body on set up logical groove down, the winding skeleton on set up the through-hole, through-hole and last logical groove be linked together with logical groove down.

Optionally, the central column is arranged in a through hole of the winding framework, the bottom plate is arranged in the lower through groove, and the insulating ring is sleeved in the upper through groove and the lower through groove.

Optionally, a chamfer is arranged at a free end of the central column of the E-shaped magnetic core.

When E type magnetic core and inductance skeleton equipment, the bottom plate mounting of E type magnetic core led to the inslot under, and the free end of the center post of E type magnetic core sets up the chamfer, makes things convenient for the center post to pass the through-hole on the wire winding skeleton, makes E type magnetic core more convenient with inductance skeleton equipment, and the insulating collar overlaps on E type magnetic core to insulating collar and E type magnetic core link together through the lower logical groove of leading to groove and bottom plate body on through the top plate body.

The utility model discloses following beneficial effect has: the coil winding is on inductance skeleton, inductance skeleton cover is on the center post of E type magnetic core, and the side post card is in inductance skeleton's outside, insulating ring overlaps on E type magnetic core, play insulating effect, and can firmly fix inductance skeleton on E type magnetic core, setting through single E type magnetic core, the use of the raw and other materials of magnetic core has been reduced, and single E type magnetic core is for two E type magnetic cores, the manufacturing procedure of an E type magnetic core has been lacked, greatly reduced manufacturing cost, and can guarantee inductance transformer's normal parameter.

Drawings

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

fig. 2 is a schematic perspective view of an E-shaped magnetic core according to the present invention;

fig. 3 is a schematic structural diagram of the inductor bobbin of the present invention;

FIG. 4 is a schematic bottom view of FIG. 3;

fig. 5 is a side view of the structure of fig. 3.

1. An E-shaped magnetic core; 2. an inductor framework; 3. a coil; 4. an insulating ring; 5. a pin; 11. a base plate; 12. a central column; 13. a side post; 14. chamfering; 21. winding a bobbin; 22. a top plate body; 23. a bottom plate body; 24. a through hole; 25. an upper through groove; 26. a lower through groove; 27. a pin hole; 28. a lead groove.

Detailed Description

The technical solution of the present invention is further described below with reference to the following specific embodiments and accompanying drawings:

to facilitate an understanding of the present application, the present application will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present application are shown in the drawings. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element and be integral therewith, or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items

Example (b): a single E-shaped inductive transformer (see attached figures 1-5) comprises an E-shaped magnetic core 1, an inductive skeleton 2 and a coil 3, wherein the E-shaped magnetic core 1 comprises a bottom plate 11, a central column 12 is arranged in the middle of the bottom plate 11, side columns 13 are arranged at two ends of the bottom plate 11, the side columns 13 and the central column 12 are fixedly connected with the bottom plate 11, the side columns 13 and the central column 12 are the same in height, the side columns 13 at two ends of the bottom plate 11 are the same in distance with the central column 12, the inductive skeleton 2 is sleeved outside the central column 12 of the E-shaped magnetic core 1, the inductive skeleton 2 is larger than the E-shaped magnetic core 1 in height, the coil 3 is wound on the inductive skeleton 2, an insulating ring 4 is arranged on the E-shaped magnetic core 1, the insulating ring 4 is sleeved outside the E-shaped magnetic core 1, the inductive skeleton 2 comprises a winding bobbin 21, the upper end of the bobbin 21 is provided with a top plate body 22, the lower end of the bobbin 21 is provided with a bottom plate body 23, the top plate body 22 and the bottom plate body 23 are fixedly connected with the bobbin 21, the bottom plate body 23 is provided with pins 5 and pin holes 27, the pins 5 are fixedly arranged in the pin holes 27, the side edges of the bottom plate body 23 are also provided with lead grooves 28, the lead grooves 28 correspond to the pin holes 27, the top plate body 22 is provided with an upper through groove 25, the bottom plate body 23 is provided with a lower through groove 26, the bobbin 21 is provided with a through hole 24, the through hole 24 is communicated with the upper through groove 25 and the lower through groove 26, the central column 12 is arranged in the through hole 24 of the bobbin, the bottom plate 11 is arranged in the lower through groove 26, and the insulating ring 4 is sleeved in the upper through groove 25 and the lower through groove 26, the free end of the central column 12 of the E-shaped magnetic core 1 is provided with a chamfer 14.

This application is when production, with the coil coiling on inductance skeleton earlier, again with the end of a thread and the pin welding of coil together, again with inductance skeleton and E type magnetic core equipment together, at last with insulating tape coiling an insulating ring on E type magnetic core, accomplish the production of a single E type inductance transformer, can carry out the production of next single E type inductance transformer.

The coil is wound on the inductance framework, the inductance framework is sleeved on the central column of the E-shaped magnetic core, the side column is clamped outside the inductance framework, the insulating ring is sleeved on the E-shaped magnetic core to play an insulating role, the inductance framework can be firmly fixed on the E-shaped magnetic core, the use of raw materials of the magnetic core is reduced through the arrangement of the single E-shaped magnetic core, the single E-shaped magnetic core is less than a double E-shaped magnetic core in the processing procedure of the E-shaped magnetic core, the production cost is greatly reduced, the normal parameters of the inductance transformer can be ensured, the winding framework is used for winding the coil, the top plate body and the bottom plate body play a role in blocking, the coil is prevented from falling off the winding framework, the strength of the inductance framework can be enhanced, the pins are arranged on the bottom plate body and are connected with the pins, and the lead slots are arranged on the bottom plate body, so that the connection of a coil head and the pins can be convenient, and can prevent coil and pin hookup location's wearing and tearing, greatly increased inductance transformer's life, when E type magnetic core and inductance skeleton equipment, the bottom plate of E type magnetic core is installed under and is led to the inslot, the free end of the center post of E type magnetic core sets up the chamfer, make things convenient for the center post to pass the through-hole on the bobbin, it is more convenient to make E type magnetic core and inductance skeleton equipment, insulating ring cover is on E type magnetic core, and insulating ring and E type magnetic core link together through the last logical groove of top plate body and the lower logical groove of bottom plate body and inductance skeleton.

The performance of the single E-type inductive transformer is illustrated by specific experimental data below:

1. EE10 sensory: 1.9mH air gap: 0.8mm turns: 238T 90% L =1.68mH saturation current: 0.57A.

2. E10 (single E type) sensitivity: 1.88mH turns: 238T 90% L =1.70mH saturation current: 0.68A.

3. EE10 sensory: 1.87mH air gap: double opening 0.6mm circle number: 276T 90% L =1.65mH saturation current: 0.68A.

As can be seen from the comparison of the data, when the number of the EE10 type coils is the same as that of the single E-type coil, the inductance is large and the saturation current is small.

When the same saturation current is needed, the inductance difference between the two is not large, but the coil number of turns required by the EE10 type is larger than that of the single E type, namely, the coil enameled wire required by the winding coil is more, therefore, the single E type not only can reduce the production cost of producing the E type magnet, but also can reduce the amount of the coil enameled wire required by the winding coil, and thereby the production cost is greatly reduced.

The above detailed description is provided for illustrative purposes, and is not intended to limit the present invention, which is intended to cover any modifications and variations within the spirit and scope of the appended claims.

Claims (6)

1. The utility model provides a single E type inductive transformer, its characterized in that includes an E type magnetic core, inductance skeleton and coil, E type magnetic core include the bottom plate, the bottom plate in the middle of set up the center post, the bottom plate both ends set up the side post, side post and center post all with bottom plate fixed connection, the side post same with the height of center post, the bottom plate on the side post at both ends the same with the interval of center post, the inductance skeleton cover establish the center post outside at E type magnetic core, the height that highly is greater than E type magnetic core of inductance skeleton, the coil coiling on inductance skeleton, E type magnetic core on set up the insulating ring, insulating snare establish outside E type magnetic core.

2. The single E-type inductor transformer as claimed in claim 1, wherein the inductor bobbin comprises a bobbin, a top plate is disposed at an upper end of the bobbin, a bottom plate is disposed at a lower end of the bobbin, and both the top plate and the bottom plate are fixedly connected to the bobbin.

3. The single-E-shaped inductance transformer according to claim 2, wherein the bottom plate body is provided with pins and pin holes, the pins are fixedly arranged in the pin holes, and the side edge of the bottom plate body is also provided with lead grooves, and the lead grooves correspond to the pin holes.

4. The single-E type inductance transformer according to claim 3, wherein an upper through groove is formed on said top plate body, a lower through groove is formed on said bottom plate body, and a through hole is formed on said bobbin and is communicated with said upper through groove and said lower through groove.

5. The single-E type inductance transformer according to claim 4, wherein said center post is disposed in a through hole of a bobbin, said bottom plate is disposed in a lower through groove, and said insulation is sleeved in the upper through groove and the lower through groove.

6. A single E-type inductance transformer according to any one of claims 1 to 5, wherein the free end of the central column of said E-type magnetic core is chamfered.

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