CN103682616A - Electronic component device - Google Patents
Electronic component device Download PDFInfo
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- CN103682616A CN103682616A CN201310615747.3A CN201310615747A CN103682616A CN 103682616 A CN103682616 A CN 103682616A CN 201310615747 A CN201310615747 A CN 201310615747A CN 103682616 A CN103682616 A CN 103682616A
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Abstract
The invention provides an electronic component device to assure an excellent waterproofing function by few components, and to raise manufacturing efficiency to attain reduction of manufacturing costs and miniaturization by reduction of the number of components. The electronic component (30) includes a waterproofing case (20) with a receiving part (21) and a winding shaft part (32) with a winding coil (38), the front end of the winding shaft part is provided with an elastic part (37), the front end of the elastic part is contacted with the bottom surface of the receiving part of the waterproofing case and generates elastic deformation.
Description
The application is to be that September 27, application number in 2010 are 201010295908.1, invention and created name is the applying date: the dividing an application of the Chinese patent application of " electronic component device ".
Technical field
The invention relates to a kind of electronic component device, because it places the electronic components such as antenna assembly in waterproof casings, thereby there is water-proof function.
Background technology
For such as being equipped on for the electronic component above such as automobile, the durability in order to ensure it for the erosion of rainwater, therefore is just necessary to arrange water proof structure.
The formation sample state of describing in following patent documentation 1, there is the existing electronic component device of water-proof function, known by generation institute.This electronic component device is that the electronic components such as coil part are placed to the resettlement section in waterproof casings, and in order to limit the movement of this electronic component, and will be inserted wherein by the formed obturator of elastomeric material, and, when using cover part to seal the peristome of waterproof casings, resin filling is sealed in above-mentioned obturator and the space between cover part, thereby guarantee the water proofing property of electronic component.
[patent documentation 1] TOHKEMY 2008-211643 communique
Summary of the invention
the problem that invention will solve
But, in the water proof structure of the electronic component disclosing at above-mentioned patent documentation 1, electronic component is placed after the resettlement section of waterproof casings, from the peristome of waterproof casings, insert other element different from electronic component, obturator, after that, be also necessary the peristome in waterproof casings cover part device.This structure has just produced following problem, and the number of element is a lot, and assembling procedure is very loaded down with trivial details, and has hindered to improve and manufactured efficiency, reduces the effort of manufacturing cost, meanwhile, is unfavorable for the miniaturization of electronic component device.
The present invention, just in view of such problem points is made, its object is to provide a kind of electronic component device, it can just can guarantee outstanding water-proof function with the element of minority, and by reducing the number of element, improve and manufacture efficiency and reduce manufacturing cost, and can realize the miniaturization of self.
for the scheme of dealing with problems
Electronic component device related to the present invention is the article with following characteristics.That is, it comprise have the resettlement section of tubular and the waterproof casings of peristome and, there is the electronic component of the pedestal portion in the resettlement section that is inserted into this waterproof casings.This electronic component device has following characteristics, be that above-mentioned electronic component comprises a cover section, this cover section has 2 double wall structures, this 2 double wall structure is by one-body molded with above-mentioned pedestal portion, and be positioned on the end of above-mentioned peristome side, the outer wall that the inner peripheral surface of periphery and above-mentioned waterproof casings is close together, and be positioned at the more close above-mentioned pedestal of this outer wall portion side, the inwall that the inner peripheral surface of periphery and above-mentioned waterproof casings is close together, forms.
If the electronic component device of the invention described above comprises following content, better, wherein, above-mentioned outer wall in above-mentioned cover section and the outer peripheral portion between above-mentioned inwall, be formed with concavity week ditch that the all-round edge of the peristome of above-mentioned waterproof casings is coupled together continuously, and in above-mentioned outer wall or above-mentioned waterproof casings, be formed with a plurality of incised notch window portion that are connected with this week ditch.
In addition, if, between the above-mentioned outer wall and above-mentioned inwall of above-mentioned cover section, have above-mentioned all ditches of the different directions inner face facing to above-mentioned waterproof casings, the access being interconnected, more suitable.
And, if wherein at least one party's of above-mentioned outer wall and inwall side face is formed, with the tapered slope that near the inner peripheral surface above-mentioned peristome of above-mentioned waterproof casings, formed tapered slope is joined, more suitable.
The peristome of above-mentioned waterproof casings also may be arranged to, have the front openings portion relative with the bottom surface of above-mentioned resettlement section and, the side opening oral area intersecting vertically with this front openings portion.
At this moment, the cover section of above-mentioned electronic component, has following formation better.; its be by be used for sealing waterproof casings front openings portion positive cover section and; be used for that the side cover section of closed side peristome forms, and have this positive cover section of continuous connection and side cover section, 2 double walls that consist of above-mentioned outer wall and inwall are constructed.
the effect of invention
According to electronic component device of the present invention, for having by peristome from waterproof casings, insert for the electronic component of the pedestal portion resettlement section, it possesses a cover section, this cover section has 2 double wall structures, this 2 double wall structure is by one-body molded with this pedestal portion, and be positioned on the end of peristome side, the outer wall that the inner peripheral surface of periphery and waterproof casings is close together, with be positioned at this outer wall more near pedestal portion side, the inwall that the inside side face of periphery and waterproof casings is close together forms, therefore, the outer wall of cover section and inwall become 2 double wall structures, and portion is integrally formed with pedestal, only electronic component need be assembled in waterproof casings and can form water proof structure, and can realize the miniaturization of this device, simultaneously, there is no need again separately existing different elements, cover part and obturator, fit together, therefore can form water proof structure by simple manufacturing process, and can realize and enhancing productivity and in the target of library management efficiency.
In addition, above-mentioned outer wall in above-mentioned cover section and the outer peripheral portion between above-mentioned inwall, be provided with concavity week ditch that the periphery of the peristome of waterproof casings is all coupled together continuously, and in outer wall or waterproof casings, be formed with a plurality of incised notch window portion that are connected with this week ditch; To casting resin in above-mentioned all ditches when guaranteeing sealing, can be at least from 1 incised notch window portion resin by injection, and situation about flowing out according to resin from other at least 1 incised notch window portion is confirmed the degree of filling, thereby can be expeditiously to all part casting resins of all ditches, and by this resin fill can improve electronic component water-proof function and, improve waterproof casings peristome intensity and, improve its durability.
In addition, between the above-mentioned outer wall and above-mentioned inwall of above-mentioned cover section, have above-mentioned all ditches of the different directions inner face facing to waterproof casings, the access being interconnected, therefore by least 1 incised notch window portion, be injected into the resin in all ditches, can be by connecting path to all ditch diffluences away from this incised notch window portion, flowing of this resin of simultaneous, can also obtain the function of pulling out air, and the resin being injected into can be filled to rapidly all parts of all ditches expeditiously, and the good sealing of electronic component can be guaranteed, can also obtain the bond strength of the height between waterproof casings and electronic component.
And, when the side face of above-mentioned outer wall and/or inwall is formed, in the time of with tapered slope that near the inner peripheral surface peristome of waterproof casings, formed tapered slope is joined, along with electronic component being inserted into the action of waterproof casings, thereby two faces that are all tapered slope will contact with each other and improve sealing, meanwhile, in casting resin, the part that this tapered slope contacts can stop flowing of resin, thereby can limit the filling field of resin.
Accompanying drawing explanation
Fig. 1 is the plane graph of the electronic component device relevant to the 1st example of the present invention;
Fig. 2 is waterproof casings in the electronic component device of Fig. 1 and the three-dimensional exploded view of electronic component;
Fig. 3 is the 3-3 sectional view of Fig. 1;
Fig. 4 is the 4-4 sectional view of Fig. 1;
Fig. 5 is the 5-5 sectional view of Fig. 1;
Fig. 6 is waterproof casings in the electronic component device relevant to the 2nd example of the present invention and the three-dimensional exploded view of electronic component;
Fig. 7 is the stereogram of splicing ear part of the electronic component device of Fig. 6;
Fig. 8 is the sectional view of splicing ear part of the electronic component device of Fig. 6.
description of reference numerals
10,100 antenna assemblies (electronic component device)
20,120 waterproof casings
21,121 resettlement sections
22,122 peristomes
22a front openings portion
22b side opening oral area
23,123 tapered slope
24,124 incised notch window portion
25,125 flanges
26,126 Access Divisions
30,130 antenna elements (electronic component)
31,131 magnetive cords
32,132 coiling axial regions
33,133 pedestal portions
33a is close to end face
33b, 133b recess
34,134 cover section
The positive cover section of 34a
34b side cover section
34c, 134c outer wall
34d, 134d inwall
34e, 134e week ditch
34f, 134f tapered slope
34g, 134g incised notch window portion
34h, 134h clamping projection
34j, 134j access
35,135 terminal overcoats
36,136 side plates
37,137 elastic portion
38,138 coiled wire-wound coils
39,139 internal terminals
41,141 external terminal pins
42,142 packing materials
145 sealings
Embodiment
Below with reference to accompanying drawings, the 1st and the 2nd example for the relevant electronic component device of the present invention is elaborated.
< the 1st example >
The electronic component device of the 1st example of the present invention that Fig. 1 to Fig. 5 is shown is therefore to be for example installed on antenna assembly on automobile be example.This antenna assembly is handle, coiled wire-wound coil is wound on magnetive cord and the antenna element that forms, is contained in to form in waterproof casings.
As shown in Fig. 1 and Fig. 2, the antenna assembly 10(electronic component device in this example) be by waterproof casings 20 and antenna element 30(electronic component) form.
Above-mentioned waterproof casings 20 has, and resettlement section 21 Hes of the tubular that has the end that one end is sealed are communicated with the peristome 22 of this resettlement section 21.Antenna element 30 as electronic component is inserted along the longitudinal direction and is contained in resettlement section 21 from peristome 22.The peristome 22 of the waterproof casings 20 in this example is configured to comprise the 22a of front openings portion and side opening oral area 22b, and the 22a of front openings portion is relative with the bottom surface of resettlement section 21, and side opening oral area 22b intersects vertically with the 22a of front openings portion.
Near the inner face ora terminalis of above-mentioned peristome 22 all-round, is formed with tapered slope 23 described later continuously.The end of the wall relative with side opening oral area 22b is by opening, to form incised notch window portion 24.Near the bottom of resettlement section 21, be also formed with flange 25 described later.And, on the outside of resettlement section 21, being also provided with Access Division 26, by Access Division 26, can install with the holding element phase clamping arranging on position that is formed in advance automobile etc.
Above-mentioned waterproof casings 20 is resin forming products, be by mechanical strength, resistance to chemical reagents, heat-resisting and moisture-proof all very outstanding ABS resin, PBT resin, PPS resin or its mixture through overmolding, form.
In addition,, by antenna element 30 being accommodated and is fixed on the inside of the resettlement section 21 of waterproof casings 20, can protect the impact of its vibration that is subject to less external environment condition, impact, temperature, humidity, dust etc.
Above-mentioned antenna element 30 be by magnetive cord 31 and, the coiling axial region 32, pedestal portion 33, cover section 34, terminal overcoat 35, side plate 36 and the elastic portion 37 that by synthetic resin, are formed and, coiled wire-wound coil 38 and, internal terminal 39 and, as the external terminal pin 41(of splicing ear with reference to Fig. 4) and, the electric capacity that do not indicate and, filler 42 formed.In this example, above-mentioned coiling axial region 32, pedestal portion 33, cover section 34, terminal overcoat 35, side plate 36 and elastic portion 37 change into type by non-conductive and nonmagnetic resin integrated and form, and above-mentioned internal terminal 39 and external terminal pin 41 are to be set and be integrated with it by insert molding mode simultaneously.
In addition, the material of magnetive cord 31 is not limited to Mn-Zn based ferrite, and also can adopt Ni-Zn based ferrite, the metal with desirable magnetic characteristic is the materials such as magnetic or noncrystalline magnetic material.This time, less Mn-Zn based ferrite iron core, the metal of materials'use insulating resistance value of magnetive cord 31 is under the occasion of magnetive cord or noncrystalline magnetive cord, can, by making the formed coiling axial regions 32 such as insulative resin or insulating tape etc., be situated between and be between magnetive cord 31 and coiled wire-wound coil 38.By the intervention of make to wind the line axial region 32 or insulating tape etc., can guarantee the insulating properties of the height between magnetive cord 31 and coiled wire-wound coil 38.In addition, the shape of magnetive cord 31, can adopt shape arbitrarily according to purposes.
And as shown in Figure 1 and Figure 5, when above-mentioned antenna element 30 being inserted in the resettlement section 21 of above-mentioned waterproof casings 20, the movement of above-mentioned magnetive cord 31 is restricted because being formed at the upper and lower flange 25 of resettlement section 21.That is, near the top and bottom bottom of the resettlement section 21 of above-mentioned waterproof casings 20, are formed with relative and outstanding flange 25, and this flange 25 is to extend along direction of insertion (longitudinal direction of resettlement section 21).The outstanding height of this flange 25 is set by following condition,, in order to make to be inserted into the leading section of the magnetive cord 31 in the antenna element 30 of resettlement section 21, by this flange 25, from above-below direction, clamped, to stop it to move (vibration), therefore, the outstanding height of this flange 25 is set to, and just contacts with the leading section of magnetive cord 31, or just contact with the front end of magnetive cord 31 after inserting fixed distance when inserting.
Secondly, above-mentioned coiling axial region 32 inside that are quadrangular barrel shape have been inserted into magnetive cord 31, and are wound with coiled wire-wound coil 38 in its periphery.In addition, in Fig. 2, half is to be wound with coiled wire-wound coil 38 for the pact of the axial region 32 that seems to reel, and the signal of the coiled wire-wound coil 38 of in fact reeling on remainder is to be omitted, so that coiling axial region 32 is can descried sample state illustrating.Coiled wire-wound coil 38 is reel and form aerial coil with being coated with the wire of the filming number of turns according to the rules.The wire being wound, owing to being coated with dielectric film, so wire can not contact with magnetive cord 31, thereby can suppress the short circuit (short) that may occur between wire and magnetive cord 31.And when Wire-wound is on antenna element 30, dielectric film can also guardwire be subject to the impact of the outstanding corner angle part of magnetive cord 31.
The front end place of the side plate 36 of these both sides, is extended and is formed with laminal elastic portion 37.This elastic portion 37 is when antenna element 30 is inserted in waterproof casings 20, and its front end contacts and produces strain with the bottom surface of waterproof casings 20, thereby has limited the vibration of the fore-end of antenna element 30.
And above-mentioned pedestal portion 33 is connected with the other end of above-mentioned coiling axial region 32 to arrange.In addition, led to coiling axial region 32 and than coiling axial region 32 position above the fore-end of outstanding magnetive cord 31 forward inserting, above-mentioned pedestal portion 33 is configured to the sample state that this coiling axial region 32 and cover section 34 are linked together.The bottom surface of the fore-end of magnetive cord 31 is open, and the front end of this magnetive cord 31 is (with reference to the Fig. 3) that end face 33a is close together that are close to cover section 34 sides of pedestal portion 33.
Central portion in pedestal portion 33, is provided with to install and uses recess 33b, and this installation is for electric capacity not shown in the diagram is installed with recess 33b.The Lower Half of electric capacity is inserted in this recess 33b, and is fixed.In addition, take this pedestal portion 33 is transverse direction, from a side side till 1 group of internal terminal 39,39 that extend the opposing party's side is embedded in the inside of pedestal portion 33 in insert molding mode.On an end of this 1 group of internal terminal 39,39, be fixed wtih respectively the splicing ear of the electric capacity not showing in the drawings, and at internal terminal 39, on another end of 39, connecting respectively the both ends of coiled wire-wound coil 38, coiled wire-wound coil 38 links together with series system with electric capacity.Antenna element 30 in this example, is connected in series by electric capacity and coiled wire-wound coil 38 series resonant circuit forming and has formed transmitting antenna.
Secondly, cover section 34 has positive cover section 34a and side cover section 34b, wherein, positive cover section 34a has sealed the 22a of front openings portion of above-mentioned waterproof casings 20, and side cover section 34b and positive cover section 34a intersect vertically, and sealed side opening oral area 22b, L-shaped connection between the two, and there are 2 double walls that become with inwall 34d by outer wall 34c and construct.
The cross-sectional configuration of positive cover section 34a as shown in Figure 3, such with the cross-sectional configuration of the side cover section 34b shown in Fig. 4, the inner peripheral surface of the periphery of the outer wall 34c of this front cover section 34a and side cover section 34b and the peristome 22 of waterproof casings 20 is close together, similarly, than this outer wall 34c, more near the inwall 34d of pedestal portion side position, its periphery paralleling with outer wall 34c is also close together with the inner peripheral surface of waterproof casings 20.
At the outer wall 34c of above-mentioned cover section 34 and the outer peripheral portion between inwall 34d, be provided with all ditch 34e that cross over all-round concavity.This week ditch 34e is that the form being all connected continuously according to the all-round edge of the peristome 22 with waterproof casings 20 arranges.
And, the side face of above-mentioned inwall 34d, it is the side face of inwall 34d of the horizontal direction of positive cover section 34a, and, on the side face of the inwall 34d of the longitudinal direction of side cover section 34b, be formed with respectively tapered slope 34f, this tapered slope 34f is with the lower form of the face with the contrary side of all ditch 34e, towards the direction of pedestal portion 33, tilts.On the other hand, inner peripheral portion at the peristome 22 of waterproof casings 20, also be formed with the tapered slope 23 of horizontal direction of front openings portion 22 and the tapered slope 23 of the longitudinal direction of side opening oral area 22b, the tapered slope 23 of this waterproof casings 20 is less with the thickness of the overcoat wall of open end side, and the larger sample state of the wall thickness of the inside part tilts.In addition, near the tapered slope 23 peristome 22 of this waterproof casings 20 is joined with engaged form with the tapered slope 34f of the inwall 34d of cover section 34.
In addition, also by the height of change outer wall 34c and inwall 34d, in the periphery formation tapered slope of outer wall 34c, join with the tapered slope arranging separately of waterproof casings 20.
In addition, on the outer wall 34c of above-mentioned cover section 34, be also formed with a plurality of incised notch window portion 34g that are connected with all ditch 34e.Particularly, on the about Centromedian position of the fabric width direction of each outer wall 34c of positive cover section 34a and side cover section 34b and lower position, be formed with respectively the incised notch window portion 34g being connected with all ditch 34e, according to the bottom surface of the inner end of incised notch window portion 34g and all ditch 34e, the form in same position arranges the size (highly) of the incised notch window portion 34g of this outer wall 34c.And, on the periphery of the peristome 22 of waterproof casings 20, be also formed with the incised notch window portion 24 being connected with above-mentioned all ditch 34e.The incised notch window portion 24 of this waterproof casings 20 is configured to, can with above-mentioned positive cover section 34a on, and with all ditch 34e of side cover section 34b in opposition side in the middle of formed clamping projection 34h(with reference to Fig. 1) phase clamping.
In the cover section 34 between above-mentioned outer wall 34c and inwall 34d, have all ditch 34e be communicated with to the access 34j of getting up between mutually, this week ditch 34e be positioned in waterproof casings 20, and the inner face different from peristome 22 stands facing each other mutually.Particularly, on positive cover section 34a and side cover section 34b, be formed with access 34j respectively, each end of this access 34j is opened on respectively, in all ditch 34e on the same position corresponding with incised notch window portion 34g on outer wall 34c.This access 34j connects cover section 34 from above-below direction, and is formed with respectively an access 34j on about middle position of positive cover section 34a and side cover section 34b.In illustrated example, the access 34j of positive cover section 34a, near the area of passage following resin injection position, is configured to larger than the area of passage of the access 34j of side cover section 34b.
And, after having accommodated antenna element 30 in resettlement section 21, for the water proofing property of antenna assembly 10 is improved, in packing material 42(Fig. 3, the Fig. 4 that liquid resin can be become, with locking wire hachure, represent) be filled in and form in the periphery of cover section 34, have in all ditch 34e and access 34j in space of ring-type, and make its sclerosis.By the resin of filling liquid state, can fixedly be accommodated in the antenna element 30 in resettlement section 21, meanwhile, can also further improve the water proofing property of antenna assembly 10.
Above-mentioned all ditch 34e and access 34j become the packing space of resin filling materials 42, a part of above-mentioned incised notch window portion 34g becomes liquid resinous inlet, and it is as illustrated in the arrow of Fig. 3, week ditch 34e and access 34j play a role as liquid resinous stream and discharge road, and be accompanied by the injection of resin, not only inner air is discharged by the incised notch window portion 34g from other, and unnecessary resin also spills from it.As liquid resin, can use for example silicones, or nylon resin etc.These resin materials, have advantages of below, can obtain good injectivity and stable seal, when water proofing property, owing to having elasticity after sclerosis, so can also obtain the good durability with respect to vibration.
For the assembling of the antenna assembly 10 of above-mentioned the 1st example, carry out simple explanation below, internal terminal 39 and external terminal pin 41 are in mould, one-body molded in insert molding mode with coiling axial region 32, pedestal portion 33, cover section 34, terminal overcoat 35, side plate 36 and elastomer 37, meanwhile, moulding waterproof casings separately 20.Coiled wire-wound coil 38 is wound up on above-mentioned coiling axial region 32, the end of coiled wire-wound coil 38 combines with internal terminal 39, in addition, in pedestal portion 33, electric capacity is set, the terminal of electric capacity combines with internal terminal 39, and magnetive cord 31 is inserted to the inside of above-mentioned coiling axial region 32, thereby assembled antenna element 30.
After that, using the elastomer 37 of above-mentioned antenna element 30 as front end, the longitudinal direction above-mentioned antenna element 30 along magnetive cord 31, inserts from the peristome 22 of waterproof casings 20, then cover section 34 is pressed into the peristome 22 of waterproof casings 20, makes it close peristome 22.The terminal stage being pressed into, the elastic portion 37 of front end contacts and produces distortion with the bottom surface of the resettlement section 21 of waterproof casings 20, after that, with following state, assemble, be the clamping projection 34h of cover section 34 and the incised notch window portion 24 phase clampings of waterproof casings 20, cover section 34 seals up the peristome 22 of waterproof casings 20.
In addition, during the insertion of above-mentioned antenna element 30, on the inner face of the waterproof casings 20 of upper/lower positions or position, left and right, be also provided with the not shown rail portion of guiding use thereon.
In antenna element 30 is pressed into above-mentioned waterproof casings 20 and under the state of combining, the longitudinal direction of the periphery of inwall 34d and the tapered slope 34f of horizontal direction be, with the longitudinal direction of periphery and the tapered slope of horizontal direction 23 of the peristome 22 with waterproof casings 20, to oppress mutually the state contacting, contacts.After that, such as, using the incised notch window portion 34g on the top of the outer wall 34c in positive cover section 34a as inlet, liquid resin is injected from this incised notch window portion 34g, the resin being injected into is usingd all ditch 34e and is flowed as Direction of circulation, simultaneously, resin injects from access 34j, and all ditch 34e to opposition side flow, and air is from inlet incised notch window portion 24 in addition, 34g discharges, simultaneously, all-round being filled with by liquid resin of week ditch 34e, remaining resin is from other incised notch window portion 24, the outside overflow of 34g and going out, therefore that confirms accordingly all ditch 34e is all-round when being filled with for resin, just can stop resin by injection.After that by liquid resin is hardened, thereby filler 42 is filled in wherein.
By the filling of above-mentioned filler 42, between the cover section 34 of the all-round and antenna element 30 of peristome 22, be sealed combination, thereby guaranteed to be housed in the water proofing property of the antenna element 30 of waterproof casings 20 inside.And, the combination of waterproof casings 20 and antenna element 30, only the antenna element 30 of one-body molded element need be pressed into, and, because tapered slope 23,34f are close together, so can stop liquid resinous entering, and then can improve water-proof sealing by contact mutual between this tapered slope.And, can not produce that resin is crossed this tapered slope and the phenomenon that enters the position of not wishing that it enters, can be simply and when producing efficiently required antenna assembly 10, sclerosis along with filler 42, by the joint of cover section 34 and waterproof casings 20, can guarantee the intensity of peristome 22 highly and good waterproof durability.
In the antenna assembly 10 relevant to the 1st example discussed above, 2 double walls that have by the cover section 34 with antenna element 30 integrated formation are constructed, and the antenna element 30 being housed in waterproof casings 20 can waterproof.Cover section 34 has following effect, because it is integrated structure, compared with the situation of mounting cover daughter separately, can itself and waterproof casings 20 be assembled with good positional precision, and can prevent from forming the gap that moisture is invaded, and improves water proofing property.And, filler 42 is filled into formed all ditch 34e between the outer wall 34c of cover section 34 and the 2 double wall structures of inwall 34d.Because the filler 42 being filled in has wherein been full of between cover section 34 and the inner peripheral surface of waterproof casings 20, the gap that does not just exist moisture to invade from outside, therefore has the effect that improves water proofing property.
In addition, although the resin component part of antenna element 30 is integrated, but the variation as example, coiling axial region 32 and the 33(of pedestal portion cover section 34) also can distinguish moulding separately, after the coiling axial region 32 of coiled wire-wound coil 38 of having reeled is assembled into one with pedestal portion 33, be assembled into again waterproof casings 20, inject filler 42 and just can form antenna assembly 10.
And with regard to arranging with regard to number of incised notch window portion 34g, resin injection is with at least needing 1, Bas Discharged with and residual resin spill with at least needing 1.In addition, with regard to the number of the incised notch window portion 34g using with regard to resin injection, the incised notch window portion 34g that resin injection is used is not limited to 1, also can be by a plurality of incised notch window portion 34g from a plurality of positions resin by injection, can make so all ditches all indeed and the good resin of promptly filling.And, also can be in the waterproof casings 20 of above-mentioned all ditch 34e institute correspondence position, form and comprise incised notch window portion that resin injection uses in interior a plurality of incised notch window portion, at this moment, also can be omitted in the upper incised notch window portion 34g that forms of outer wall 34c.And, the incised notch window portion 24 of waterproof casings 20 that also can be in above-mentioned example, taking clamping is the form of discharging with opening with opening dual-purpose.
And, with regard to access 34j arrange number with and forming part with regard to, from improving the point of the mobility of filler 42, consider, also can suitably change according to the shape of cover section 34.For example, a plurality of access are communicated with to get up between mutually also passable, between the access of longitudinal direction and the access of horizontal direction, form and are communicated with, can be resin to multi-direction shunting.
Above-mentioned variation goes for the 2nd following example too.
< the 2nd example >
The electronic component device of the 2nd example of the present invention shown in Fig. 6 to Fig. 8, with the 1st example be equally with, such as what to carry antenna assembly 100 on automobile be example, this antenna assembly 100 is antenna elements 130 that the magnetive cord 131 of coiled wire-wound coil 138 of having reeled is formed, and is contained in to form in waterproof casings 120.
This example place different from the 1st example be, the shape of the peristome 122 of waterproof casings 120 is relative front openings in the bottom surface with resettlement section 121 only, and in side opening not.134 of cover section set in front, and terminal overcoat 135 is from positive cover section 134, to start to be along the longitudinal direction outstanding setting of tubular to form.
As shown in Figure 6, the antenna assembly 100(electronic component device in this example) by waterproof casings 120 and antenna element 130(electronic component) form.
Above-mentioned waterproof casings 120 has, resettlement section 121 Hes of the tubular that has the end that one end is sealed, the peristome 122 being connected with this resettlement section 121, and, as the antenna element 130 of electronic component, from peristome 122, insert along the longitudinal direction and be contained in resettlement section 121.The peristome 122 of the waterproof casings 120 of this example, an opening is in the part of the bottom surface in the face of resettlement section 121.
On near the inner face ora terminalis of above-mentioned peristome 122, be formed with all-round continuous tapered slope 123, on the both ends of the overcoat wall of both sides, become to have incised notch window portion 124, and near the flange 25 being also formed with the bottom of resettlement section 121 in flange 125(and above-mentioned the 1st example is same structures) and, the outside of resettlement section 121 is also provided with Access Division 126, by this Access Division 126, can install with the holding element phase clamping arranging on position that is formed at automobile etc. in advance.
Above-mentioned waterproof casings 120 is synthetic resins, be by mechanical strength, resistance to chemical reagents, heat-resisting and moisture-proof all very outstanding ABS resin, PBT resin, PPS resin or its mixture through being shaped, form.
In addition,, by antenna element 130 being accommodated and is fixed on the inside of the resettlement section 121 of waterproof casings 120, can protect the impact of its vibration that is subject to less external environment condition, impact, temperature, humidity, dust etc.
Above-mentioned antenna element 130 be by magnetive cord 131 and, the coiling axial region 132, pedestal portion 133, cover section 134, terminal overcoat 135, side plate 136 and the elastic portion 137 that by synthetic resin, are formed and, coiled wire-wound coil 138 and, internal terminal 139 and, as the external terminal pin 141(of splicing ear with reference to Fig. 7, Fig. 8) and, the electric capacity that do not indicate and, in filler 142(Fig. 8 shown in locking wire hachure) form.In this example, above-mentioned coiling axial region 132, pedestal portion 133, cover section 134, terminal overcoat 135, side plate 136 and elastic portion 137 change into type by non-conductive and nonmagnetic resin integrated and form, and above-mentioned internal terminal 139 and external terminal pin 141 are to be adapted to and to be integrated by insert molding mode simultaneously.
And similarly pedestal portion 133 is connected with the other end of above-mentioned coiling axial region 132 to arrange, and above-mentioned pedestal portion 133 is configured to connect the sample state of this coiling axial region 132 and cover section 134.In this example, the front end of magnetive cord 131 is (with reference to Fig. 8) that the back side with cover section 134 is close together.
Central portion in pedestal portion 133, the installation being provided with recess 133b, this installation is for electric capacity not shown in the diagram is installed with recess 133b like the previous example.1 group of internal terminal 139 being buried underground in insert molding mode, on an end of 139, be fixed wtih respectively the splicing ear of electric capacity, and on another end, the both ends that connecting respectively coiled wire-wound coil 138, coiled wire-wound coil 138 links together with series system with electric capacity, with the precedent antenna element 130 in this example similarly, also by electric capacity and coiled wire-wound coil 138, is connected in series the series resonant circuit forming and has formed transmitting antenna.
Secondly, cover section 134 has been sealed the peristome 122 of waterproof casings 120, and has 2 double walls that become with inwall 134d by outer wall 134c and construct.Fig. 8 has shown the cross-sectional configuration of cover section 134, and the inner peripheral surface of the periphery of the outer wall 134c of cover section 134 and the peristome 122 of waterproof casings 120 is close to and is joined.
At the outer wall 134c of above-mentioned cover section 134 and the outer peripheral portion between inwall 134d, be provided with all ditch 134e that cross over all-round concavity.This week ditch 134e is that the form of all joining continuously according to the all-round edge of the surrounding of the peristome 122 with waterproof casings 120 arranges.
And, on the side face of above-mentioned inwall 134d, being formed with tapered slope 134f, this tapered slope 134f is with the lower form of the face with the contrary side of all ditch 134e, towards the direction of pedestal portion 133, tilts.On the other hand, the inner peripheral portion at the peristome 122 of waterproof casings 120, is also formed with tapered slope 123, and the tapered slope 123 of this waterproof casings 120 is less with the thickness of the overcoat wall of open end side, and the larger sample state of the wall thickness of the inside part tilts.In addition, near the tapered slope 123 peristome 122 of this waterproof casings 120 is joined with engaged form with the tapered slope 134f of the inwall 134d of cover section 134.
In addition, also by the height of change outer wall 134c and inwall 134d, in the periphery formation tapered slope of outer wall 134c, join with the tapered slope arranging separately of waterproof casings 120.
In addition, about Centromedian position of the fabric width direction of each outer wall 134c of cover section 134b above and lower position, be formed with a plurality of incised notch window portion 134g that are connected with all ditch 134e.According to the bottom surface of the inner end of incised notch window portion 134g and all ditch 134e, the form in same position arranges the size (highly) of the incised notch window portion 134g of this outer wall 134c.And, on the left and right overcoat wall of the periphery of the peristome 122 of waterproof casings 120, be formed with respectively the incised notch window portion 124 being connected with above-mentioned all ditch 134e.The incised notch window portion 124 of this waterproof casings 120 is configured to, can with the sample state of formed clamping projection 134h phase clamping in all ditch 134e of above-mentioned cover section 134 both sides.
In the cover section 134 between above-mentioned outer wall 134c and inwall 134d, have all ditch 134e be communicated with to the access 134j of getting up between mutually, this week ditch 134e be positioned in waterproof casings 120, and the inner face different from peristome 122 stands facing each other mutually.Particularly, in cover section 134, be formed with access 134j, each end of this access 134j is opened on respectively, in all ditch 134e on the same position corresponding with incised notch window portion 134g on outer wall 134c.This access 134j connects cover section 134 from above-below direction, and on about middle position of cover section 134, is formed with 1 access 134j.
And, this example and precedent are similarly, after having accommodated antenna element 130 in resettlement section 121, for the water proofing property of antenna assembly 100 is improved, in the packing material 142(Fig. 8 that liquid resin can be become, with locking wire hachure, represent) be filled in and form in the periphery of cover section 134, have in all ditch 134e in space of ring-type, and make its sclerosis.By the resin of filling liquid state, can fixedly be accommodated in the antenna element 130 in resettlement section 121, meanwhile, can also further improve the water proofing property of antenna assembly 100.
And, above-mentioned all ditch 134e and access 134j become the packing space of resin filling materials 142, a part of above-mentioned incised notch window portion 134g becomes liquid resinous inlet, week ditch 134e and access 134j play a role as liquid resinous stream and discharge road, and be accompanied by the injection of resin, not only inner air is discharged by the incised notch window portion 134g from other, and unnecessary resin also spills from it.
In the middle of this example, as shown in Figure 7 and Figure 8, there is following structure, outside in the formed recess of the root of terminal pins 141, be equipped with the sealing 145 becoming by potting resin, between itself and not shown external plug, be tightly affixed, thereby obtained waterproof sealing.That is to say, external plug is loaded onto along terminal overcoat 135, between this external plug and external terminal pin 141, be electrically connected to, simultaneously, its front end face keeps oppressing mutually with sealing 145 state of being close to, therefore can obtain following water proofing property, stop moisture to enter the electrical connections between itself and external terminal pin 141.
For the assembling of the antenna assembly 100 of above-mentioned the 2nd example, carry out simple explanation below, internal terminal 139 and external terminal pin 141 are in mould, one-body molded in insert molding mode with coiling axial region 132, pedestal portion 133, cover section 134, terminal overcoat 135, side plate 136 and elastomer 137, meanwhile, moulding waterproof casings separately 120.Coiled wire-wound coil 138 is wound up on above-mentioned coiling axial region 132, the end of coiled wire-wound coil 138 combines with internal terminal 139, in addition, in pedestal portion 133, electric capacity is set, the terminal of electric capacity combines with internal terminal 139, and magnetive cord 131 is inserted to the inside of above-mentioned wireline reel 132, thereby assembled antenna element 130.In addition, after one-body molded, the outer wall 134c that packing material is filled in to the inside of terminal overcoat 135 goes up in formed recess, and sealing 145 is set.
After that, using the elastomer 137 of above-mentioned antenna element 130 as front end, the longitudinal direction above-mentioned antenna element 130 along magnetive cord 131, inserts from the peristome 122 of waterproof casings 120, then cover section 134 is pressed into the peristome 122 of waterproof casings 120, makes it close peristome 122.The terminal stage being pressed into, the elastic portion 137 of front end contacts and produces distortion with the bottom surface of the resettlement section 121 of waterproof casings 120, after that, with following state, assemble, be the clamping projection 134h of cover section 134 and the incised notch window portion 124 phase clampings of waterproof casings 120, cover section 134 seals up the peristome 122 of waterproof casings 120.
In addition, during the insertion of above-mentioned antenna element 130, on the inner face of the waterproof casings 120 of upper/lower positions or position, left and right, be also provided with the not shown rail portion of guiding use thereon.
In antenna element 130 is pressed into above-mentioned waterproof casings 120 and under the state of combining, the longitudinal direction of the periphery of inwall 134d and the tapered slope 134f of horizontal direction be, with the longitudinal direction of periphery and the tapered slope of horizontal direction 123 of the peristome 122 with waterproof casings 120, to oppress mutually the state contacting, contacts.After that, such as, using the incised notch window portion 134g on the top of the outer wall 134c in positive cover section 134a as inlet, liquid resin is injected from this incised notch window portion 134g, the resin being injected into is usingd all ditch 134e and is flowed as Direction of circulation, simultaneously, the liquid resin access 134 all ditch 134e downwards that flow through flow, air there is discharged from inlet incised notch window portion 134g in addition, the all-round of all ditch 134e is filled with by liquid resin simultaneously, remaining resin is from the incised notch window portion 134g of below and the outside overflow of the incised notch window portion of waterproof casings 120 124 and go out, therefore that confirms accordingly all ditch 134e is all-round when being filled with for resin, just can stop resin by injection.After that by liquid resin is hardened, thereby filler 142 is filled in wherein.
By the filling of above-mentioned filler 142, with precedent in the same manner, between the cover section 134 of the all-round and antenna element 130 of peristome 122, be sealed combination, thereby guaranteed to be housed in the water proofing property of the antenna element 130 of waterproof casings 120 inside.And, the combination of waterproof casings 120 and antenna element 130, only the antenna element 130 of one-body molded element need be pressed into, and, so because being close to of tapered slope 123,134f can stop liquid resinous entering, and then can improve water-proof sealing by the mutual contact of this tapered slope.And, can not produce that resin is crossed tapered slope and the phenomenon that enters the position of not wishing that it enters, can be simply and when producing efficiently required antenna assembly 100, sclerosis along with filler 142, by the joint of cover section 134 and waterproof casings 120, can guarantee the intensity of peristome 122 highly and good waterproof durability.
Above the implementation system of electronic component device related to the present invention is illustrated, but the present invention is not limited to these relevant examples, can also forms various sample states.
For example, in above-mentioned example, antenna element is contained in waterproof casings, still, the element of being accommodated is not limited to antenna element (coil part).That is to say, the electronic circuit beyond antenna element, electronic component etc. are contained in to waterproof casings and form electronic component device, also there is same function and effect.Need not superfluous words about this point.
And, aforementioned middle resettlement section be shaped as the tubular that one end is closed, but the tubular of both ends open forms, also can.The in the situation that of this formation, after electronic component is contained in to resettlement section, by cover section, closed at both ends is lived.
Claims (3)
1. an electronic component device, is characterized in that, comprising:
The waterproof casings with resettlement section; And
Be wound with the coiling axial region of coiled wire-wound coil,
Above-mentioned coiling axial region front end is provided with elastic portion, and the front end of this elastic portion contacts and produces strain with the bottom surface of the resettlement section of above-mentioned waterproof casings.
2. electronic component device according to claim 1, is characterized in that,
At the front end of above-mentioned coiling axial region, between above-mentioned elastic portion and above-mentioned coiling axial region, be also provided with side plate.
3. electronic component device according to claim 2, is characterized in that,
Further have the magnetive cord that is inserted into above-mentioned coiling axial region inside, above-mentioned side plate is set to along the form of two sides at rear portion that is inserted into the magnetive cord of above-mentioned coiling axial region.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-242439 | 2009-10-21 | ||
| JP2009242439A JP5448062B2 (en) | 2009-10-21 | 2009-10-21 | Electronic component equipment |
| CN 201010295908 CN102044751B (en) | 2009-10-21 | 2010-09-27 | Electronic component device |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010295908 Division CN102044751B (en) | 2009-10-21 | 2010-09-27 | Electronic component device |
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| Publication Number | Publication Date |
|---|---|
| CN103682616A true CN103682616A (en) | 2014-03-26 |
| CN103682616B CN103682616B (en) | 2016-04-20 |
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| CN 201010295908 Active CN102044751B (en) | 2009-10-21 | 2010-09-27 | Electronic component device |
| CN201310615747.3A Active CN103682616B (en) | 2009-10-21 | 2010-09-27 | Electronic component device |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010295908 Active CN102044751B (en) | 2009-10-21 | 2010-09-27 | Electronic component device |
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| JP (1) | JP5448062B2 (en) |
| CN (2) | CN102044751B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3451450A1 (en) * | 2017-09-04 | 2019-03-06 | Sumida Corporation | Method of manufacturing antenna device and antenna device |
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| JP2012047674A (en) | 2010-08-30 | 2012-03-08 | Advantest Corp | Dicing substrate for test, probe, and semiconductor wafer testing apparatus |
| JP5729069B2 (en) * | 2011-03-24 | 2015-06-03 | アイシン精機株式会社 | In-vehicle antenna device |
| JP6229305B2 (en) * | 2013-05-17 | 2017-11-15 | スミダコーポレーション株式会社 | ANTENNA DEVICE AND ANTENNA DEVICE MANUFACTURING METHOD |
| JP6186924B2 (en) * | 2013-06-19 | 2017-08-30 | スミダコーポレーション株式会社 | Antenna coil device and coil bobbin |
| CN105517849B (en) * | 2013-09-12 | 2017-08-29 | 株式会社村田制作所 | Coil component |
| CN113782942B (en) * | 2020-06-10 | 2024-09-03 | 启碁科技股份有限公司 | Wireless communication device and bending antenna thereof |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102044751A (en) | 2011-05-04 |
| JP2011091544A (en) | 2011-05-06 |
| CN103682616B (en) | 2016-04-20 |
| JP5448062B2 (en) | 2014-03-19 |
| CN102044751B (en) | 2013-11-06 |
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