CN87215263U - Ballast with overlap inserted iron core - Google Patents

Abstract

The utility model discloses a ballast with overlap inserted iron core of gas discharge lamp which is made of mouth-shaped external silicon steel sheets and I-shaped internal silicon steel sheets. The mouth-shaped and the I-shaped silicon steel sheets can be punched by leftover bits and pieces, and can be also singly punched by silicon steel materials. When the punched silicon steel sheets are stacked and fastened according to the design requirements of the ballast, the I-shaped iron core is directly wound with inductance coils; the wound internal iron core which is wound with inductance coils is cushioned with silicon steel pads which are used to regulate current, and then inserted into the mouth-shaped external iron core. The utility model has the advantages of high safety, high reliability, convenient regulation of current and convenient industrial automation production.

Description

Ballast with overlap inserted iron core

The utility model is a kind of gaseous discharge lamp cover dowel heart inductance type ballast made from silicon steel sheet in outer silicon steel sheet of square shape and the I font, belongs to the alternating current impedor.

In gaseous discharge lamps such as fluorescent lamp, sodium vapor lamp, mercury lamp, iron-core inductance formula ballast is mainly used to overcome dynatron effect, and the electric current of restricted passage gas discharge lamp tube is so that the gaseous discharge lamp working stability.Common iron-core inductance formula ballast all adopts π font silicon steel sheet folded thick, and the coil Zhong ， And that inserts two enamel covered wire coilings is encased inside the scraps of paper in adjacent sections unshakable in one's determination gap, manually beat and obtain suitable air gap, behind the calibration ballast electric current, soak insulating varnish, make product.Although this traditional π sections heart inductance type ballast consumption is big, use is extensive, and it is many to exist feed consumption, can only be hand-manipulated in electrical quantity instability and the manufacturing, and shortcomings such as easy generation is given up, substandard products.In recent years, the ballast unshakable in one's determination made of some improved E fonts, UT font silicon steel sheet is come out one after another.The ballast advantage of these shape silicon steel sheet manufacturings is coils that insert single enamel covered wire coiling unshakable in one's determination, and technology is simple, saves raw material than π sections heart ballast, and has reduced because of iron core inserts two coils, beats the waste product that causes the coil electric leakage.Yet the ballast that these adopt E font or UT font silicon steel sheet to make, their abutment joint unshakable in one's determination all in the coil outside, so bigger leakage field is arranged, easily produce noise.In order to solve the leakage field problem of this ballast, have to argon arc welding welding abutment joint unshakable in one's determination, or clamp abutment joint unshakable in one's determination with anchorage clip.Like this, the electrical quantity of ballast just is difficult to control.Useless, residual, substandard products that the result causes increase, cost up, and it is also difficult to repair.In order to overcome the weak point that above-mentioned iron-core inductance formula ballast exists, the utility model Gai Jin And develops into a kind of cover dowel heart ballast of being made by inside and outside silicon steel sheet.

The purpose of this utility model is that silicon steel sheet in outer silicon steel sheet of the square shape ring-type that adopts punching out to become and the I font is folded in the thick one-tenth, and is outer unshakable in one's determination.Direct coiling inductance coil on I shape inner iron core.The I font inner iron core cover that will wind coil again inserts in the outer iron core of square shape makes ballast.Thereby make the performance of ballast better, more reliable; The technology of making ballast is simpler, is convenient to industrial automation production.

The utility model is made of the silicon steel pad of silicon steel sheet, inductance coil and adjusting ballast current parameters in the outer silicon steel sheet of square shape ring-type, the I font.Square shape ring-type silicon steel sheet and I font silicon steel sheet are distinguished punching out by punch press or are overlapped towards one-shot forming.The square shape silicon steel sheet outside that punching out becomes is jagged, or on four jiaos circular hole is arranged, so that the outer back unshakable in one's determination of folded thick one-tenth is fastening; There are locating notch or small embossment in the square shape silicon steel sheet inboard that punching out becomes, so that folded thick one-tenth back unshakable in one's determination forms guiding, location notch or bolt.On silicon steel sheet two limits swallow-tail form breach is arranged in the I font that punching out becomes, so that form two dovetail grooves behind the folded thick one-tenth inner iron core, insertion insulation engineering plastics bar carries out fastening, and perhaps dashing in I font silicon steel sheet has the hole of wearing rivet, behind the folded thick one-tenth I iron core, fastening with rivet; Leave on the base of silicon steel sheet in the I font that punching out becomes one with inboard breach of the outer silicon steel sheet of square shape or corresponding small embossment or the breach of small embossment so that in the I font behind the folded thick one-tenth inner iron core of silicon steel sheet, formation guiding, pilot pin or groove.When making ballast, earlier inside and outside silicon steel sheet is built up certain thickness by the ballast design requirement, penetrate circular hole with screw, nut or rivet respectively then, or with being tightened to inside and outside iron core in the insulation engineering plastics bar insertion dovetail groove.After inside and outside iron core is made, sandwich plastic base plate, can directly use enamelled wire coiling on inner iron core at the inner iron core two ends of I font.Coil coiled, wiring are welded on the leading-out terminal on the plastic base plate.When cover was plugged in ballast, one on pad was zigzag on I font inner iron core, or strip, or had the Current Regulation silicon steel pad of slotted eye, and the inner iron core that will be wound with coil then inserts in the outer iron core of square shape.At this moment, outer inboard guiding, location notch or bolt unshakable in one's determination and guiding, pilot pin or groove on the inner iron core base make inner iron core be stabilized in the outer iron core of square shape together.But the ballast inside and outside unshakable in one's determination that is inserted into type is like this regulated current parameters with regard to place in circuit.When regulating the ballast current parameters, slowly pull out the silicon steel pad, so that form suitable air gap between inside and outside iron core.When the ballast current parameters reaches requirement, cut off or be exposed at ferrosilicon pad part unshakable in one's determination outer and just can soak insulating varnish by sawtooth pull out outer that fracture, make product.Certainly, when the silicon steel material of inside and outside silicon steel sheet was consistent, also can be designed to had the fixedly ballast of air gap between inside and outside iron core, and need not be encased inside silicon steel Current Regulation pad, and inside and outside iron core once is inserted into type, and dipping lacquer is made product.

The utility model has the advantages that, because outer iron core is a ring-type integral body, so the not leakage field phenomenon that causes because of seam unshakable in one's determination, also the electric current variation that does not cause because of iron core looseness.In addition, also saved the skeleton that the general ballast coil of coiling is used; Eliminated because of inserting the ballast inductor coil turn-to-turn short circuit that real silicon steel sheet causes; Useless, substandard products that welding ballast abutment joint unshakable in one's determination causes have been reduced.Therefore, this is that a kind of adjusting current parameters is convenient, gas discharge lamp ballast safe in utilization for a long time, reliable.

Description of drawings:

Fig. 1 is the utility model cover dowel heart ballast structural map.Wherein, the 1st, the square shape ring-type is outer unshakable in one's determination; The 2nd, I font inner iron core; The 3rd, the inductance coil on the inner iron core; The 4th, the dovetail groove of insertion insulation engineering plastics bar; The 5th, the insulation engineering plastics clamping bar on the inside and outside iron core; The 6th, the guiding on the inside and outside iron core, location notch and bolt; The 7th, plastic base plate; The 8th, the binding post on the plastic base plate; The 9th, the silicon steel pad of the adjusting ballast electric current of zigzag or strip or grooved bore.

Fig. 2 is the fastening ballast outline drawing of screw, nut or rivet.Wherein, the 10th, screw, nut or rivet.

Fig. 3 is the utility model cover dowel heart ballast sectional view.Wherein, the 11st, compound blue or green shell insulating paper.

Fig. 4 is square shape and the inside and outside silicon steel sheet of I font that once overlaps the type of being washed into.Wherein, the 12nd, the dovetail breach on the inside and outside silicon steel sheet; The 13rd, guiding, the locating notch of outer silicon steel sheet inboard; The 14th, the guiding on the interior silicon steel sheet base, location small embossment.

Below in conjunction with description of drawings embodiment of the present utility model.

Embodiment 1

By the inside and outside silicon steel sheet of the inside and outside ballast unshakable in one's determination of insulation engineering plastics bar 5 clampings adopt leftover pieces respectively punching out become square shape and I font, or once overlap by Fig. 4 and to be washed into shape.The outer silicon steel sheet of silicon steel sheet and square shape ring-type inserts insulation engineering plastics bar 5 by the folded respectively Hou ， And of ballast design requirement in the I font that punching out is shaped in the dovetail groove 4 of dovetail breach 12 folded thick formation, and clamping becomes I font inner iron core 2 and square shape outer unshakable in one's determination 1.Wherein, folded when thick at inside and outside silicon steel sheet, should note leading, the position of locating notch 13 and small embossment 14, so that form guiding, location notch and bolt 6, can lead, locate when inside and outside cover unshakable in one's determination is inserted.Behind the inside and outside clamping unshakable in one's determination, can be on two end pads of I font inner iron core 2 plastic base plate 9, directly enamel covered wire is made the inner iron core of belt coil 3 on the inner iron core 2, And wraps blue or green shell insulating paper 11 at the skin of coil 3.The wiring of coil is welded on the leading-out terminal 8 of plastic base plate 9, and behind the zigzag silicon steel sheet 9 of base pad lastblock adjusting ballast current parameters on the inner iron core 2, cover is inserted inside and outside iron core, promptly can be made into ballast.When adjusting the ballast current parameters,, slowly pull out zigzag silicon steel pad 9, after the ballast current parameters reaches requirement, cut off or fracture and pull out the part of exposing outside iron core the ballast place in circuit.At last, soak insulating varnish, make the inside and outside cover unshakable in one's determination of the utility model and plug in ballast.As wrap shell, product is more attractive in appearance.

Embodiment 2

Unshakable in one's determination by the fastening ballast square shape ring-type silicon steel sheet inside and outside unshakable in one's determination of nut, screw or rivet 10 with I font silicon steel sheet can adopt the punching out of silicon steel leftover pieces equally or once overlap with silicon steel material and to be washed into shape.Screw, nut or rivet only need on inside and outside electrical steel sheet, to go out the hole of inserting screw or rivet, so that can get final product by fastening iron core.Other is made the inside and outside cover unshakable in one's determination of the utility model and inserts the enforcement of ballast according to embodiment 1.Certainly, more than among two embodiment as need not insulate engineering plastics bar 5 or screw, nut or rivet 10 fastening inside and outside iron cores, also can adopt the bonding silicon steel sheet of insulating varnish or insulating adhesive, make inside and outside iron core, press the inside and outside cover unshakable in one's determination of method manufacturing cost utility model of embodiment 1 again and plug in ballast.

Mandatory declaration be, in above embodiment, if square shape ring-type silicon steel sheet and I font silicon steel sheet adopt the punching out of homogeneity silicon steel material, then because the material unanimity, can be designed to has the fixedly ballast of air gap between inside and outside iron core, need not be encased inside the silicon steel pad 9 of regulating the ballast current parameters again, inside and outside iron core once overlaps inserts the manufacturing that can finish ballast, and technology is more convenient, simple.

Claims (7)

1, a kind of gaseous discharge lamp iron-core inductance formula ballast, comprise inductance coil and iron core, it is characterized in that iron core by one by the square shape outer unshakable in one's determination 1 of the folded thick one-tenth of the outer silicon steel sheet of square shape ring-type with one by silicon steel sheet in the I font folded thick become directly form around the I of inductance coil font inner iron core 2.

2, gaseous discharge lamp iron-core inductance formula ballast according to claim 1 is characterized in that on the outer silicon steel sheet of outer unshakable in one's determination 1 the square shape ring-type of folded thick one-tenth square shape or is useful on fastening hole or breach on the opposite side.

3, gaseous discharge lamp iron-core inductance formula ballast according to claim 1 is characterized in that silicon steel sheet two limits are useful in the I font of folded thick one-tenth I font inner iron core 2 to be useful on fastening hole in fastening breach or the silicon steel sheet.

4, gaseous discharge lamp iron-core inductance formula ballast according to claim 1 is characterized in that having by breach and the small embossment folded thick guiding that forms, location notch or bolt 6 on the base of the inboard of outer silicon steel sheet and interior silicon steel sheet.

5, gaseous discharge lamp iron-core inductance formula ballast according to claim 1 is characterized in that the silicon steel pad 9 that has to regulate air gap between inside and outside iron core.

6, according to claim 1,5 described gaseous discharge lamp iron-core inductance formula ballasts, the silicon steel pad 9 that it is characterized in that regulating inside and outside interferric space is silicon steel sheets of jagged, strip or grooved bore.

7, gaseous discharge lamp iron-core inductance formula ballast according to claim 1 is characterized in that being lined with two plastic base plates 7 in the coil of coiling on the I font inner iron core, and wiring leading-out terminal 8 is arranged on the plastic base plate 7.

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