CN103208354B

CN103208354B - Efficient material-saving transformer

Info

Publication number: CN103208354B
Application number: CN201210583033.4A
Authority: CN
Inventors: 吴文武
Original assignee: Individual
Current assignee: Orton Electric Co Ltd
Priority date: 2012-12-26
Filing date: 2012-12-26
Publication date: 2015-09-09
Anticipated expiration: 2032-12-26
Also published as: CN103208354A

Abstract

The invention provides a kind of material-saving transformer, its technology is the core structure changing existing transformer, in the middle of the iron core of transformer coiling part, account for greatly the degree of depth that surrounding about 1/4 is gone in scope outside in undercutting that winding section bit length is about 1/4, its girth is made to be the half that is 1/2 of former iron core, area is original 1/4, on the position that this has prescinded iron core, with with original same volume with the secondary coil of the transformer of power wire diameter 1/2 coil be coiled into the secondary coil of transformer, do like this and can reach the high object with saving secondary coil line of delivery efficiency, whole secondary loops can save the coil method of 3/4 than former transformer.

Description

Efficient material-saving transformer

Technical field

Transformer manufacturing

Background technology

After the mankind have found electromagnetic induction, just manufacture power electric generator, carry out drive electrical generators with various power machine to generate electricity and provide mains supply system to people's electricity consumption, from then on people just enter the epoch of electricity consumption, such electric power system is in order to the high efficiency electricity consumption utilizing electric energy and safety, and people have invented again transformer.

Along with the progress of human society, the appearance of various electrical appliance brings facility and enjoyment to the life of people, in order to meet the demand of the various voltages of these electrical appliances, just manufacture various transformer now, there is power transformer, have power transformer, they have step-up transformer and step-down transformer again respectively.The high frequency transformer etc. also having electronics aspect to use all carrys out work by electromagnetic induction, and the power that electromagnetism sense produces and efficiency are all how many with the height of voltage levels, size of current, frequency, wire circle, the size of coil turn and the size whether with cored, iron core etc. are relevant.Regardless of that a kind of transformer, their input and output all follow wire circle and voltage in proportion.

Summary of the invention

Under equal alternating voltage and frequency, the inductance of just little than the circle generation that coil turn is large is large, the voltage that it can bear is just high than the coil of ringlet, Here it is manufactures the parameter of transformer, the manufacture of transformer is all generally coil on iron core-closed, and the size of iron core just determines the number of winding turns.Large iron-core coil is just less, and the little iron core line number of turns is just some more, input (primary coil) the prerequisite condition of Here it is transformer, and output (secondary coil) just not necessarily, it is the amount doesn't matter, and many is exactly step-up transformer, and few be exactly step-down transformer.The voltage exported is directly proportional with wire circle, and electric current is inversely proportional to exactly, and the voltage being exactly output coil more multi output is higher, and electric current is less, and the voltage of the fewer output of wire circle of output is lower, but electric current is larger.

Just because of output does not have the effect of bearing voltage, wire circle is the amount doesn't matter.Whether the main primary coil that depend on input, primary coil has designed if can normally work, it just can defer to the theory that the number of turns and voltage are directly proportional.So I just make use of this principle design gone out new material-saving transformer.

A kind of material-saving transformer, it is characterized in that: on the wound core position of transformer, surrounding along the mid portion of iron core middle column's longitudinal direction prescinds part iron core, the cross-sectional area of the remaining iron core of mid portion is made to be 1/4 of the iron core transverse sectional area of this part when not prescinding, girth is the half of the girth of the iron core of this part when not prescinding, namely 1/2, longitudinal height of this mid portion be former whole wound core longitudinally height 1/4; The girth of the remaining iron core of mid portion is made to be the girth 1/2 of the iron core of this part when not prescinding, the position of iron core being prescinded part by this is coiled into the secondary coil for transformation with wire, the wire diameter of secondary coil be same volume with on the former whole wound core of power around secondary coil wire diameter 1/2, and the number of turn of secondary coil is identical with the number of turn of the secondary coil of the former whole wound core of power with use same volume, but save the coil method of 3/4 than the transformer using same volume with the former whole wound core of power.

It is the rule of transformer that wire circle and voltage are directly proportional, no matter it has much around cross section, no matter all like this on great iron core in other words, only in primary coil, the area of the number of turns is large, and its circumference is just long with line, the magnetic flux of induction is just large, induction reactance resistance just increases, receive power supply just can the number of turns few, and number of turns area is little, its girth line is just short, the magnetic flux of induction is just little, and induction reactance resistance is also just little, so the number of turns receiving power supply must increase.

Understand that the coil size connecing power supply only plays a part to mate with supply voltage with how many, and its output coil size is not important, main or coil number number, the voltage of direct formation transformer exports, I have passed through experiment and has attempted the iron core transverse sectional area of minimizing in secondary coil position like this, so around the lead loop girth on iron core just along with minimizing, as long as but the number of turns is enough, and the minimizing part of iron core is not too long just can not affect the work and normally of whole transformer.

The resistance of wire is directly proportional with length, is inversely proportional to wire diameter, coil made of copper too, the same wire diameter, its longer resistance of length is larger, and length, its larger resistance of wire diameter is less.It is again the material-saving theory around this principle achieving me, now represent with English explanation of giving an example, its output secondary coil total length of individual transformer is such as had now to be L, resistance is H, wire diameter is O, 1/2 (as Fig. 3) of transformer core position is occupied in the position of whole secondary coil, and the power of output is W, and efficiency is P.The secondary coil now designed, position is the middle in wound core position, the position that it accounts for is that 1/4 (as Fig. 1) will prescind at the iron core of this part, general surrounding is the size that the length of side of 1/4 is gone in undercutting inwards, the iron core girth prescinded is made to deduct half, and cross-sectional area is original 1/4, just half is decreased like this around superincumbent loop length, it is original 1/2, so overall length becomes 1/2L, due to the minimizing of length, its resistance is also along with minimizing half, so the resistance of resistance is also 1/2H, the half that so just can reduce wire diameter is equally all H to realize resistance and originally identical resistance, so loop length decreases half, the half of in fact having saved copper wire material that is 1/2, reduce by 1/2 wire diameter to realize again identical with original resistance value at the coil of this 1/2L length, reality removes again the copper wire material of 1/2 at joint, use so real only 1/4 copper wire material, than the copper wire material originally saving 3/4.But do the various factors that can or can not have influence on original transformation like this? the voltage and current exported through experiment does not all change, and both power was still W, as long as you design rationally not only do not affect efficiency on the contrary and also obtain corresponding raising.

The female law in Europe because of complete closure is that internal resistance equals extrernal resistance, its power exported is maximum, that is when resistance (D.C. resistance) resistance that the electrical appliance of outside is added up equals the resistance of electric power system (battery, generator, transformer), the power that the circuit of power supply exports is maximum, but when if the electrical appliance resistance of outside is greater than interior resistance (electric power system), the electricity device of outside is exactly that resistance is larger higher with regard to efficiency, and the interior resistance of power supply is fewer exactly on the contrary just can outwards provide power consumption efficiency higher.

Although material-saving transformer has decreased wire diameter to make resistance identical, but the resistance exchanged divides pure resistance, induction reactance resistance and capacitive reactance resistance, so the resistance of material-saving transformer is identical with original, can the girth of coil and the area of iron core decrease, the induction reactance that it produces is also along with decreasing, and still efficiency aspect is improved thus.

Accompanying drawing explanation

Fig. 1 has prescinded length 1/4, the schematic diagram of the degree of depth 1/4 on the iron core position of coiling from centre.

Fig. 2 is the plane graph that two cross-sectional areas are compared; Left figure is the cross-sectional view of former transformer core, and right figure is the iron core transverse sectional view decreased.

Fig. 3 is the coiling distribution diagram of each half of present transformer coiling on iron core.

Fig. 4 is the winding diagram that have passed through elementary, the secondary coil of improvement that I invents.

Embodiment

On the wound core position of transformer, the area of whole surrounding is prescinded from mid portion, its cross-sectional area is made to be 1/4 original (as Fig. 2), girth is original half, the i.e. size of 1/2, and the iron core prescinded is 1/4 (as Fig. 1) of former whole wound core length, this sunk iron core position is exactly the winding position of the output secondary coil of transformer, its coil is around the position carrying out iron core to Plain, because the line diameter ratio of coil had deducted half originally, so just around following the original number of turns, then two of line along iron core to an output, whole iron core and secondary coil all wrap with insulating material again above around on primary coil (as Fig. 4) coil wound also is wrapped with insulating material, two of coil exports to the other end of iron core.

Because the output winding voltage of transformer just has relation with the number of turns, and there is no great relation with the length of the size line girth of circle, so can be artificial design reduces at the iron core transverse sectional area of Secondary section to reduce the use line length of coil, again because the resistance of coil is directly proportional with length, be inversely proportional to wire diameter, so can reduce not only while length reduces wire diameter to reach resistance with originally identical but also can again minimizing wire material to reach the object of material saving, the coil method doing whole secondary coil so only original transformer 1/4, save out the coil method of 3/4.

As long as reasonable in design, the attention insulation of height, just can produce various transformer in this way, step-up transformer can be made, step-down transformer can be made, various power transformer can be produced, the various high frequency transformers of various power transformer (i.e. three-phase transformer) and electronics aspect can be produced again.Being also noted that in addition particularly can not be oversize in the cut place of iron core, and the flux path that retain it can produce the close access of high-intensity magnetic field.This transformer can only do output use, must not use conversely, the secondary coil of output can not be received power supply to use exactly.

Claims

1. a material-saving transformer, it is characterized in that: on the wound core position of transformer, surrounding along the mid portion of iron core middle column's longitudinal direction prescinds part iron core, the cross-sectional area of the remaining iron core of mid portion is made to be 1/4 of the iron core transverse sectional area of this part when not prescinding, girth is the half of the girth of the iron core of this part when not prescinding, namely 1/2, longitudinal height of this mid portion be former whole wound core longitudinally height 1/4; The girth of the remaining iron core of mid portion is made to be the girth 1/2 of the iron core of this part when not prescinding, the position of iron core being prescinded part by this is coiled into the secondary coil for transformation with wire, the wire diameter of secondary coil be same volume with on the former whole wound core of power around secondary coil wire diameter 1/2, and the number of turn of secondary coil is identical with the number of turn of the secondary coil of the former whole wound core of power with use same volume, but save the coil method of 3/4 than the transformer using same volume with the former whole wound core of power.