CN207165353U

CN207165353U - A kind of encapsulated type inductance of I-shaped

Info

Publication number: CN207165353U
Application number: CN201720996687.8U
Authority: CN
Inventors: 王杰
Original assignee: Zhejiang Hexing Electronic Co Ltd
Current assignee: Zhejiang Hexing Electronic Co Ltd
Priority date: 2017-08-10
Filing date: 2017-08-10
Publication date: 2018-03-30
Anticipated expiration: 2027-08-10

Abstract

A kind of encapsulated type inductance of I-shaped, including:Magnetic core, the upper and lower ends of magnetic core are provided with upper end and bottom；Coil, coil are wrapped on magnetic core by line style conductor and formed, and are carried out by bonding coat affixed in coil between adjacent line style conductor, and pin are connected with coil；Epoxy resin layer, epoxy resin layer includes inner liner and outer covering layer, inner liner is coated on the outside of coil, and the root of pin is coated on, outer covering layer is coated on the outside of inner liner, and lead portion is connected through bottom with coil, taper reinforcing portion is provided with lead portion, taper reinforcing portion is made up of epoxy resin layer parcel, silicon layer is provided between taper reinforcing portion and lead portion, and silicon layer only contacts with pin surface；Outer covering layer overlay length is less than inner liner overlay length in taper reinforcing portion.The utility model has the advantages of fixed effect, welding effect are good.

Description

A kind of encapsulated type inductance of I-shaped

Technical field

It the utility model is related to inductance component technical field of structures, and in particular to a kind of encapsulated type inductance of I-shaped.

Background technology

Inductor is the element that electric energy can be converted into magnetic energy and stored in the prior art.The structure class of inductor Transformer, but an only winding are similar to, two pins, the plug-in type inductance produced for plug-in unit technique are set on the winding For, although its stability is very reliable under existing maturation process, its service life or not high enough is therein Reason first is that coil easily loosens, and second is easily loosened after being welded and fixed portion's time length.

Utility model content

The purpose of this utility model is to provide a kind of encapsulated type inductance of I-shaped, and the utility model is by improving epoxy resin layer Protection structure coordinates the structural stability of support holder structure lifting inductance.

Above-mentioned technical purpose of the present utility model technical scheme is that：Including:

Magnetic core, the upper and lower ends of the magnetic core are provided with upper end and bottom；

Coil, the coil are wrapped on the magnetic core by line style conductor and formed, the adjacent line style in described coil Carried out by bonding coat affixed between conductor, and be connected with pin on the coil；

Epoxy resin layer, described epoxy resin layer include inner liner and outer covering layer, and the inner liner is coated on the line The outside of circle, and the root of the pin is coated on, described outer covering layer is coated on the outside of the inner liner, described lead portion It is connected through the bottom with the coil, taper reinforcing portion, described taper reinforcing portion is provided with described lead portion It is made up of epoxy resin layer parcel, silicon layer is provided between described taper reinforcing portion and the lead portion, and it is described Silicon layer only contacted with the pin surface；

The outer covering layer overlay length is less than the inner liner overlay length in described taper reinforcing portion.

As it is of the present utility model preferably, the length that described inner liner is coated on the pin is 2mm ~ 4mm.

Thickness ratio as of the present utility model preferred, described inner liner and the outer covering layer is 1:1 or 1:1.5 or 1: 1.2 or 1:1.1 or 1:3.

As it is of the present utility model preferably, the radial section area of the epoxy resin layer gradually subtracts from both ends to middle part It is small.

Preferably described pin includes welding section as of the present utility model, is wrapped up on the outside of described welding section and helps weldering Layer.

As it is of the present utility model preferably, in addition to pallet, be provided with fixing hole, described tray bottom on described pallet Portion is provided with the linear groove with the fixing hole UNICOM, and described welding section passes through L-shaped to described linear after the fixing hole Groove is bent to form the paster section that radial section is rectangle, and the surface of the paster section is provided with rhombus embossing.

The radial section that radial thickness as of the present utility model preferred, described paster section is less than the pin is straight Footpath.

In summary, the utility model has the advantages that：

The utility model has the advantages of fixed effect, welding effect are good.

Brief description of the drawings

Fig. 1 is the structural representation of the first embodiment of the utility model；

Fig. 2 is the structural representation of second of embodiment of the utility model；

In figure：

1- magnetic cores；2- upper ends；3- bottoms；4- coils；5- pins；6- bonding coats；7- epoxy resin layers；7-1- liners Layer；7-2- outer covering layers；8- taper reinforcing portions；9- silicon layers；5-1- welding sections；5-2- helps layer；10- pallets；10-1- is fixed Hole；10-2- linear grooves；5-3- paster sections.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

As shown in figure 1, the first constructive embodiment of the application includes magnetic core 1, the upper and lower ends of magnetic core 1 are provided with for protecting Protect magnetic core 1 and increase the upper end 2 and bottom 3 of the crystallized ability of epoxy glue；Coil 4, coil 4 are wrapped in magnetic by line style conductor Formed on core 1, carried out by bonding coat 6 affixed in coil 4 between adjacent line style conductor, and pin 5 is connected with coil 4；Ring Oxygen tree lipid layer 7, epoxy resin layer 7 include inner liner 7-1 and outer covering layer 7-2, and inner liner 7-1 is coated on the outside of coil 4, and wraps The root of pin 5 is overlayed on, outer covering layer 7-2 is coated on the outside of inner liner 7-1, using material of the epoxy resin as inner liner 7-1 Original technical scheme for using wax layer is instead of, under the same conditions, the mobility of wax layer is not so good as epoxy resin, and this allows for wax Layer uses as just inner liner, and epoxy resin can enter the gap between coil 4 with by between the wire of coil 4 and Done between coil 4 and magnetic core 1 one it is fixed well, intensity is also on wax layer after hardening for epoxy resin, so this skill Art scheme is more firm in structure, and the relative activity between coil 4 is worse, so can effectively be dropped when work Low noise, while the hardness after the solidification of epoxy resin is also very moderate, because of too high hardness coil 4 will not be caused to damage Bad, pin 5 is connected through bottom 3 with coil 4, and the connection with coil 4 for protection pin 5 is provided with pin 5 The taper reinforcing portion 8 at place, taper reinforcing portion 8 are made up of the parcel of epoxy resin layer 7, set between taper reinforcing portion 8 and pin 5 There is silicon layer 9, and silicon layer 9 only contacts with the surface of pin 5；Outer covering layer 7-2 overlay lengths are less than inner liner in taper reinforcing portion 8 7-1 overlay lengths.The length that inner liner 7-1 is coated on pin 5 is 2mm ~ 4mm.Inner liner 7-1 and outer covering layer 7-2 thickness Than for 1:1 or 1:1.5 or 1:1.2 or 1:1.1 or 1:3.The radial section area of epoxy resin layer 7 gradually subtracts from both ends to middle part It is small.

As shown in Fig. 2 the first constructive embodiment of the application includes magnetic core 1, the upper and lower ends of magnetic core 1 are provided with for protecting Protect magnetic core 1 and increase the upper end 2 and bottom 3 of the crystallized ability of epoxy glue；Coil 4, coil 4 are wrapped in magnetic by line style conductor Formed on core 1, carried out by bonding coat 6 affixed in coil 4 between adjacent line style conductor, and pin 5 is connected with coil 4；Ring Oxygen tree lipid layer 7, epoxy resin layer 7 include inner liner 7-1 and outer covering layer 7-2, and inner liner 7-1 is coated on the outside of coil 4, and wraps The root of pin 5 is overlayed on, outer covering layer 7-2 is coated on the outside of inner liner 7-1, and pin 5 is connected with coil 4 through bottom 3, drawn It is provided with 5, pin for protection pin 5 and the taper reinforcing portion 8 of the junction of coil 4, taper reinforcing portion 8 is by asphalt mixtures modified by epoxy resin The parcel of lipid layer 7 is formed, and silicon layer 9 is provided between taper reinforcing portion 8 and pin 5, and silicon layer 9 only connects with the surface of pin 5 Touch；Outer covering layer 7-2 overlay lengths are less than inner side overlay length in taper reinforcing portion 8.Inner liner 7-1 is coated on the length on pin 5 Spend for 2mm ~ 4mm.Inner liner 7-1 and outer covering layer 7-2 thickness ratio is 1:1 or 1:1.5 or 1:1.2 or 1:1.1 or 1:3.Epoxy The radial section area of resin bed 7 is gradually reduced from both ends to middle part.Pin 5 includes removing the part beyond taper reinforcing portion 8 Parcel helps layer 5-2 on the outside of the welding section 5-1 of formation, welding section 5-1, and it is soldering-tin layer to help layer 5-2, helps layer 5-2 table Face is provided with rhombus embossing.Also include pallet 10, be provided with pallet 10 for the fixing hole 10-1 through welding section 5-1, support The bottom of disk 10 is provided with the linear groove 10-2 with fixing hole 10-1 UNICOMs, and welding section 5-1 passes through L-shaped to line after fixing hole 10-1 Property groove 10-2 be bent to form the paster section 5-3 that radial section is rectangle, paster section 5-3 surface is provided with rhombus embossing.Paster Section 5-3 radial thickness is less than the radial section diameter of pin 5.

The present processes embodiment comprises at least following steps,

Step 1, braid, check that whether upper tin product is consistent with circulation card, checks that vibrating disk has foreign, by braid Piece loads on storage rack, and empty chase is placed in stand-by by braider, according to braid inductor size is treated, installs suitable braid mould, Correct installation adhesive tape, adhesive tape is set to treat that braid inductance is put into vibrating disk by detection switch and transition roller, by pressing manually Button, make automatic running indicator lamp bright, then change-over switch is put automated location, press automatic running button, then carry out normal operating, one Batch products terminate, and the good inductance of braid is put into chase, process circulation card are correctly filled in, by circulation inlay card in every batch of inductance First chase, and whole part product is put into braid area, removes vibrating disk and other positions；

Step 2, silicone oil is applied, check that whether braid product is consistent with circulation card, and silicone oil is poured into by the silicon oil solution prepared In groove, switch on power start, first tries silicone oil post position, adjustment silicone oil delivery port width >=5mm with an inductance, silicone oil must not drench On inductance body, Silicon coating machine speed is adjusted, installs painting pen, and according to the whole conveyer belt spacing of braid length of a film minor, apply silicon and open After beginning, the braid piece for finishing inductance is sent into and applies silicon guide rail by a people successively in Silicon coating machine one end, carries out painting silicon, another person exists Braid piece after painting silicon is inserted special framework by the other end successively, and a collection of product terminates, and production lot number is write on framework, It is correct to fill in process circulation card, by circulation inlay card in first chase of every batch of inductance, and whole part product is put into and has applied silicon area；

Step 3, dipping, dispensing first being carried out, extracting epoxy resin A material 1kg and diluent (0.5-0.8) kg is mixed into C material, Expect according still further to C：Curing agent B material press 10:8 weigh, pour into mixer mutually mix after, with wooden stick stir 15 minutes, be subsequently poured into vacuum Deaeration machine inclined heated plate 15 minutes, inspection have applied whether oil product is consistent to form impregnant with circulation card, then will apply silicon Inductance be put into 85 ± 5 DEG C of preliminary drying baking ovens and bake, connect dipping electromechanical source, source of the gas, adjustment impregnator vacuum is -0.096MPa, It is impregnated with by impregnator, is impregnated with time 50s；Then the impregnant prepared is poured into dip pan, liquid level is away from plate edge 0.5 ~ 1cm, vacuum defoamation is carried out, takes two products to be placed on empty frames frame, each one of left and right, rise charging tray manually, observe lead Impregnating depth is controlled in 3 ± 1mm, after mixing up, the dried inductance of preliminary drying is put on dipping machine support, it is most laggard to close upper cover Row vacuum impregnation forms pretreatment inductance.

Step 4, interior epoxy baking, worked premise front opening baking oven, and lifting oven temperature is opened after rising to 100 DEG C to be dried Case, 120 ± 5 are risen to by regulation oven temperature after 100 ± 5 DEG C of constant temperature toast 30 minutes is carried out in pretreatment inductance push-in baking oven DEG C, then constant temperature toast 2 hours formed inner liner 7-1 making, complete secondary treatment inductance, after baking process terminates, open Oven door equitemperature drops to room temperature and further takes out product；

Step 5, powder bag, powder coating machine, the power supply of 101A type heated-air circulation ovens is opened respectively, by powder coating machine With baking oven pre-heating temperature elevation, 125 ± 5 DEG C of baking oven is set, 120 ± 15 DEG C of setting powder coating machine temperature, opens powder coating machine gas Source, air pressure is checked, be specifically defined so that loose powder effect is good.Before operation, first unloaded 3-5 times, make temperature stabilization, by secondary treatment inductance It is put into after baking oven bottom-heated circulates to top about 16 ± 2 minutes and rapid at the top of preheating oven take out secondary treatment inductance and be put into Powder coating machine carries out outer encapsulating, and encapsulating finishes, and takes out inductance and checks powder coating effect, and temperature and encapsulating are adjusted depending on effect Time, the inductance that powder bag finishes is placed on and treats the cooling of cutting area to form tertiary treatment inductance；

Step 6, powder are cut, and open power supply, the source of the gas of powder cutter, check whether normal, opening leveling drying oven preheating, The elastic of pinch roller and the edge of a knife is adjusted by specification profile size, by pine to tight debugging, the position of the good hairbrush of mounting and adjusting, debugging pinch roller Distance between the edge of a knife and inductance, make inductance press after powder leg height≤1mm, tertiary treatment inductance is put into machine guide track The powder leg remained on excision pin 5, the inductance of clear leads is put into framework, the inductor product for installing frame, Mei Yilie Placing frame number after the completion of product solidification, turns off baking oven power supply, opens oven door no more than 20 frames, etc. product cooling to normal temperature, Product is taken out, quantity, specification is confirmed, tears frame open respectively, the product for having torn frame open is put into Special iron inframe, every batch of end, correctly filled out Circulation card is write, by circulation inlay card in first chase of every batch of inductance, and whole part product is put into and treated in spray printing area；

Step 7, levelling solidification, work premise front opening baking oven, and lifting oven temperature opens baking oven to 95 DEG C, rapidly will In tertiary treatment inductance push-in baking oven, regulation oven temperature after 25-30 minutes is toasted with 90-98 DEG C of temperature and rises to 120 DEG C, then 2 hours of baking form outer covering layer 7-2, after baking process terminates, open oven door and take out sizing inductance successively；

Step 8, spray printing, the sizing inductance of levelling solidification is got, checks whether and is consistent with circulation card, turn on the power, open Dynamic feeding, put away sports equipment mechanism, and feeding speed is adjusted to proper states, and printing identification information, examination print 1 are recalled according to product specification Product, and whether the mark on self-test product is clear, complete, whether mark position offsets, and after confirmation is qualified, will be stained with product Epoxy lath is pushed into feed mechanism one by one, is close to inwall, and keep level at the top of epoxy sheet during operation, in case lath rocks, Word deflection is caused, the defective works such as clear incorrect marking, incomplete, position skew, mark inclination should be picked out in print procedure in time, After a collection of product terminates, product that cleaning work place is dropped, weight after mark is wiped with cleaning agent India and China's substandard product of fighting each other Newly organized band spray printing, then circulation card is filled, it is transferred to next procedure；

Step 9, outer inspection, whether lettering product, verification circulation card are consistent process with product specification in reception, and rejecting is drawn Pin 5 blacks, dry foot, damage, serious distortion product, the product of red paint is stained with pin 5, is scraped totally with pliers, appearance and size Meet customer specifications book requirement, it is desirable to phenomena such as lettering content is correct, complete, and nothing is bitten, be overlapping, mark offset, blurring, Phenomena such as encapsulating is without penetrable pores, dew magnetic core 1, dew copper cash, burr, after a kind of specification is finished, it is necessary to thorough cleaning workbench, Product in work-yard, Turnover Box, it is not allow for two or more product while exists；

Step 10, band is taken off, receive the qualified rear product of outward appearance, whether verification circulation card is consistent with product identification, before operation first Whether equipment inside have the product of other specifications, adjust threshing speed, adjust the upper-lower position of perching knife if checking, first examination solution 2 ~5 products, check whether product lead is straight, there is not damaged, lettering whether there is mill flower.Adhesive tape on braid piece is removed totally, Without obvious particle, braid piece not damaged, dropped product for cleaning board, adhesive tape case and ground after every part of product completion, and certified products are put Enter Turnover Box, waste product is put into collecting receptacle；

Complete finished product inductance.

This method embodiment can be installed always according to use demand including step 11 pallet 10, by the pin of finished product inductance 5 pass through pallet 10, and then pressing pin 5 forms after paster section 5-3 paster section 5-3 bendings being accommodated in the linear of the bottom of pallet 10 In groove 10-2, the paster section 5-3 for stretching out pallet 10 is finally wiped out.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims

A kind of 1. encapsulated type inductance of I-shaped, it is characterised in that including:

Magnetic core（1）, the magnetic core（1）Upper and lower ends be provided with upper end（2）With bottom（3）；

Coil（4）, the coil（4）The magnetic core is wrapped in by line style conductor（1）Upper composition, described coil（4）It is interior adjacent Pass through bonding coat between the line style conductor（6）Carry out affixed, and the coil（4）On be connected with pin（5）；

Epoxy resin layer（7）, described epoxy resin layer（7）Including inner liner（7-1）With outer covering layer（7-2）, the inner liner （7-1）It is coated on the coil（4）Outside, and be coated on the pin（5）Root, described outer covering layer（7-2）Cladding In the inner liner（7-1）Outside, described pin（5）Portion passes through the bottom（3）With the coil（4）Connection, it is described Pin（5）Taper reinforcing portion is provided with portion（8）, described taper reinforcing portion（8）By the epoxy resin layer（7）Wrap up structure Into described taper reinforcing portion（8）With the pin（5）Silicon layer is provided between portion（9）, and described silicon layer（9）Only With the pin（5）Surface contacts；

Described taper reinforcing portion（8）The upper outer covering layer（7-2）Overlay length is less than the inner liner（7-1）Overlay length.
A kind of 2. encapsulated type inductance of I-shaped according to claim 1, it is characterised in that：Described inner liner（7-1）Cladding In the pin（5）On length be 2mm ~ 4mm.
A kind of 3. encapsulated type inductance of I-shaped according to claim 1, it is characterised in that：Described inner liner（7-1）With institute State outer covering layer（7-2）Thickness ratio be 1:1 or 1:1.5 or 1:1.2 or 1:1.1 or 1:3.
A kind of 4. encapsulated type inductance of I-shaped according to claim 1, it is characterised in that：The epoxy resin layer（7）Footpath It is gradually reduced to area of section from both ends to middle part.
A kind of 5. encapsulated type inductance of I-shaped according to claim 1, it is characterised in that：Described pin（5）Including welding Section（5-1）, described welding section（5-1）Outside parcel helps layer（5-2）.
A kind of 6. encapsulated type inductance of I-shaped according to claim 5, it is characterised in that：Also include pallet（10）, it is described Pallet（10）On be provided with fixing hole（10-1）, described pallet（10）Bottom is provided with and the fixing hole（10-1）UNICOM Linear groove（10-2）, described welding section（5-1）Pass through the fixing hole（10-1）It is L-shaped to the linear groove afterwards（10-2）It is curved Folding forms the paster section that radial section is rectangle（5-3）, the paster section（5-3）Surface be provided with rhombus embossing.
A kind of 7. encapsulated type inductance of I-shaped according to claim 6, it is characterised in that：Described paster section（5-3）Footpath It is less than the pin to thickness（5）Radial section diameter.