CN103682616B - Electronic component device - Google Patents
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- CN103682616B CN103682616B CN201310615747.3A CN201310615747A CN103682616B CN 103682616 B CN103682616 B CN 103682616B CN 201310615747 A CN201310615747 A CN 201310615747A CN 103682616 B CN103682616 B CN 103682616B
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Abstract
The invention provides a kind of electronic component device.This electronic component device just can guarantee outstanding water-proof function with the element of minority, and by reducing the number of element, improving and manufacture efficiency and reduce manufacturing cost, and can realize the miniaturization of self.A kind of electronic component device (30), comprising: the waterproof casings (20) with resettlement section (21); And being wound with the wireline reel portion (32) of coiled wire-wound coil (38), front end, above-mentioned wireline reel portion is provided with elastic portion (37), and the front end of this elastic portion contacts with the bottom surface of the resettlement section of above-mentioned waterproof casings and produces strain.
Description
The application is the applying date is on September 27th, 2010, application number is 201010295908.1, invention and created name is: the divisional application of the Chinese patent application of " electronic component device ".
Technical field
The invention relates to a kind of electronic component device, because the electronic components such as antenna assembly are placed in waterproof casings by it, thus there is water-proof function.
Background technology
For the electronic component be such as equipped on above automobile etc., in order to ensure its durability for the erosion of rainwater, be therefore just necessary to arrange water proof structure.
The formation pattern described 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 the resettlement section electronic components such as coil part being placed in waterproof casings, and in order to limit the movement of this electronic component, and the obturator formed by elastomeric material is inserted wherein, and, while the peristome of use cover part to waterproof casings is closed, the space of resin filling between above-mentioned obturator and cover part is sealed, thus guarantees the water proofing property of electronic component.
[patent documentation 1] Japanese Unexamined Patent Publication 2008-211643 publication
Summary of the invention
the problem that invention will solve
But, in the water proof structure of the electronic component disclosed at above-mentioned patent documentation 1, after electronic component being placed in the resettlement section of waterproof casings, other element different from electronic component is inserted from the peristome of waterproof casings, obturator, after that, there is a need to the peristome of cover part device in waterproof casings.This structure just creates following problem, and namely the number of element is a lot, and assembling procedure is very loaded down with trivial details, and hinders raising manufacture 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 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 the miniaturization of self can be realized.
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 in the pedestal portion be inserted in the resettlement section of this waterproof casings.This electronic component device has following characteristics, namely 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 comparatively this outer wall more near side, above-mentioned pedestal portion, the inwall that the inner peripheral surface of periphery and above-mentioned waterproof casings is close together, is formed.
If the electronic component device of the invention described above comprises following content, better, namely wherein, above-mentioned outer wall in above-mentioned cover section and the outer peripheral portion between above-mentioned inwall, be formed with the concavity week ditch coupled together continuously by the all-round edge of the peristome of above-mentioned waterproof casings, and on above-mentioned outer wall or above-mentioned waterproof casings, be formed with a plurality of incised notch window portion be 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 be interconnected, then more suitable.
And, if wherein the side face of at least one party of above-mentioned outer wall and inwall is formed, the tapered slope connected with the tapered slope that the inner peripheral surface near the above-mentioned peristome of above-mentioned waterproof casings is formed is then 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 intersected vertically with this front openings portion.
At this moment, the cover section of above-mentioned electronic component, has following formation then better.Namely, its be by be used for closed waterproof casings front openings portion front cover section and, be used for that the lateral flaps portion of closed side peristome forms, and have and connect this front cover section and lateral flaps portion continuously, the 2 double walls structures be made up of above-mentioned outer wall and inwall.
the effect of invention
According to electronic component device of the present invention, inserted for the electronic component in the pedestal portion in resettlement section from the peristome of waterproof casings for having, 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 comparatively this outer wall more near side, pedestal portion, the inwall that the internal circumferential surface of periphery and waterproof casings is close together is formed, therefore, the outer wall of cover section and inwall become 2 double walls and construct, and be integrally formed with pedestal portion, only electronic component need be assembled in waterproof casings and can form water proof structure, and the miniaturization of this device can be realized, simultaneously, there is no need again separately existing different elements, cover part and obturator, fit together, therefore water proof structure can be formed by simple manufacturing process, and can realize 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 the concavity week ditch coupled together all continuously by the periphery of the peristome of waterproof casings, and on outer wall or waterproof casings, be formed with a plurality of incised notch window portion be connected with this week ditch; Time in above-mentioned all ditches, casting resin is to guarantee sealing, can at least from 1 incised notch window portion resin by injection, and the degree of filling is confirmed according to the situation that resin at least 1 incised notch window portion from other flows out, thus can 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 be interconnected, therefore the resin in all ditches is injected into by least 1 incised notch window portion, can by connecting path to all ditch diffluences away from this incised notch window portion, the flowing of this resin of simultaneous, the function pulling out air can also be obtained, and the resin be injected into can be filled to rapidly all parts of all ditches expeditiously, and the good sealing of electronic component can be guaranteed, the bond strength of the height between waterproof casings and electronic component can also be obtained.
And, when the side face of above-mentioned outer wall and/or inwall is formed, when the tapered slope connected with the tapered slope that the inner peripheral surface near the peristome of waterproof casings is formed, along with action electronic component being inserted into waterproof casings, two faces being all tapered slope will contact with each other thus improve sealing, meanwhile, when casting resin, the part that this tapered slope contacts can stop the flowing of resin, thus 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 the three-dimensional exploded view of waterproof casings in the electronic component device of Fig. 1 and 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 the three-dimensional exploded view of waterproof casings in the electronic component device relevant to the 2nd example of the present invention and electronic component;
Fig. 7 is the stereogram of the splicing ear part of the electronic component device of Fig. 6;
Fig. 8 is the sectional view of the 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 wireline reel portions
33,133 pedestal portions
33a is close to end face
33b, 133b recess
34,134 cover section
34a front cover section
34b lateral flaps portion
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 of the electronic component device of being correlated with for the present invention is described in detail.
< the 1st example >
The electronic component device of the 1st example of the present invention shown by Fig. 1 to Fig. 5 is therefore the antenna assembly be such as installed on automobile is example.This antenna assembly is handle, coiled wire-wound coil is wound on magnetive cord form antenna element, be contained in waterproof casings formed.
As shown in Fig. 1 and Fig. 2, the antenna assembly 10(electronic component device in this example) by waterproof casings 20 and antenna element 30(electronic component) formed.
Above-mentioned waterproof casings 20 has, and one end, by resettlement section 21 He of tubular with the end sealed, is communicated with the peristome 22 of this resettlement section 21.Antenna element 30 as electronic component is inserted along the longitudinal direction from peristome 22 and is contained in resettlement section 21.The peristome 22 of the waterproof casings 20 in this example is configured to comprise front openings portion 22a and side opening oral area 22b, and front openings portion 22a is relative with the bottom surface of resettlement section 21, and side opening oral area 22b then intersects vertically with front openings portion 22a.
Inner face near the 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 by opening, to form incised notch window portion 24.Flange 25 described later is also formed near the bottom of resettlement section 21.And, the outside of resettlement section 21 is also provided with Access Division 26, can be installed with the holding element phase clamping arranged on position being formed at automobile etc. in advance by Access Division 26.
Above-mentioned waterproof casings 20 is resin forming products, is by mechanical strength, resistance to chemical reagents, ABS resin, PBT resin, PPS resin or its mixture that heat-resisting and moisture-proof is all very outstanding through overmolding.
In addition, by antenna element 30 being accommodated and being fixed on the inside of the resettlement section 21 of waterproof casings 20, can be protected it less by the impact of the vibration, impact, temperature, humidity, dust etc. of external environment condition.
Above-mentioned antenna element 30 be by magnetive cord 31 and, the wireline reel portion 32 that is made up of synthetic resin, pedestal portion 33, cover section 34, terminal overcoat 35, side plate 36 and elastic portion 37 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 wireline reel portion 32, pedestal portion 33, cover section 34, terminal overcoat 35, side plate 36 and elastic portion 37 are formed by non-conductive and nonmagnetic resin integrated molding, and above-mentioned internal terminal 39 and external terminal pin 41 are arranged with it by insert molding mode to be integrated simultaneously.
Magnetive cord 31 is formed by ferrite magnetic material, and it is the rectangular shape that cross section is rectangle, and extends to bar-shaped in a longitudinal direction.Powerful magnetic field has been encouraged, so employ Mn-Zn based ferrite as material in order to this magnetive cord 31 can be made.
In addition, the material of magnetive cord 31 is not limited to Mn-Zn based ferrite, also can adopt the materials such as Ni-Zn based ferrite, metal system magnetic or the noncrystalline magnetic material with desired magnetic characteristic.This time, under the occasion of Mn-Zn based ferrite iron core, metal system magnetive cord or noncrystalline magnetive cord that the materials'use insulating resistance value of magnetive cord 31 is less, by the wireline reel portion 32 that makes insulative resin etc. be formed or insulating tape etc., can be situated between and be between magnetive cord 31 and coiled wire-wound coil 38.By making the intervention of roll portion 32 or insulating tape etc., the insulating properties of the height between magnetive cord 31 and coiled wire-wound coil 38 can be guaranteed.In addition, the shape of magnetive cord 31, can adopt arbitrary shape 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 then restricted because being formed at the upper and lower flange 25 of resettlement section 21.That is, the top and bottom near the bottom of the resettlement section 21 of above-mentioned waterproof casings 20, are formed with relative and outstanding flange 25, and this flange 25 extends along direction of insertion (longitudinal direction of resettlement section 21).The outstanding height of this flange 25 sets by following condition, namely, clamped from above-below direction by this flange 25 to make the leading section of the magnetive cord 31 be inserted in the antenna element 30 of resettlement section 21, move (vibration) to stop it, therefore, the outstanding height of this flange 25 is set to, and just contacts with the leading section of magnetive cord 31 when inserting, or just contacts with the front end of magnetive cord 31 after inserting fixed distance.
Secondly, the inside, above-mentioned wireline reel portion 32 in corner tubular has been inserted into magnetive cord 31, and is wound with coiled wire-wound coil 38 in its periphery.In addition, in fig. 2, seem that the about half in wireline reel portion 32 is wound with coiled wire-wound coil 38, the signal of the coiled wire-wound coil 38 in fact reeled on remainder has been omitted, to make wireline reel portion 32 can pattern in sight illustrate.Coiled wire-wound coil 38 forms aerial coil with the wire being coated with film according to the number of turns winding of regulation.The wire be wound, owing to being coated with dielectric film, so wire can not contact with magnetive cord 31, thus can suppress the short circuit (short) that may occur between wire and magnetive cord 31.And, in Wire-wound is on antenna element 30, dielectric film can also guardwire by the impact of the outstanding faceted portions of magnetive cord 31.
Side plate 36 is set to from the both sides of the one end in wireline reel portion 32, and along the longitudinal direction with the form of tabular, the bottom surface to waterproof casings 20 extends.And this side plate 36 is the two sides at rear portion along the magnetive cord 31 being inserted into wireline reel portion 32.
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 with the bottom surface of waterproof casings 20 and produces strain, thus limits the vibration of the fore-end of antenna element 30.
And above-mentioned pedestal portion 33 is connected with the other end in above-mentioned wireline reel portion 32 to arrange.In addition, having inserted wireline reel portion 32 and position above the fore-end of the magnetive cord 31 given prominence to forward than wireline reel portion 32, above-mentioned pedestal portion 33 has been configured to the pattern that this wireline reel portion 32 and cover section 34 are linked together.The bottom surface of the fore-end of magnetive cord 31 is open, the front end of this magnetive cord 31 be with cover section 34 side in pedestal portion 33 be close to (with reference to Fig. 3) that end face 33a is close together.
At the central portion in pedestal portion 33, be provided with installation recess 33b, this installation recess 33b is used to install electric capacity not shown in the diagram.The Lower Half of electric capacity is inserted in this recess 33b, and is fixed.In addition, with this pedestal portion 33 for transverse direction, the 1 group of internal terminal 39,39 extended to the side of the opposing party from the side of a side, is embedded in the inside in pedestal portion 33 in insert molding mode.On an end of this 1 group of internal terminal 39,39, be fixed wtih the splicing ear of the electric capacity do not shown in the drawings respectively, and at internal terminal 39, on another end of 39, respectively connected the both ends of coiled wire-wound coil 38, coiled wire-wound coil 38 and electric capacity link together in a series arrangement.Antenna element 30 in this example, the series resonant circuit be connected in series by electric capacity and coiled wire-wound coil 38 constitutes transmitting antenna.
Secondly, cover section 34 has front cover section 34a and lateral flaps portion 34b, wherein, front cover section 34a encloses the front openings portion 22a of above-mentioned waterproof casings 20, and lateral flaps portion 34b and front cover section 34a intersects vertically, and enclose side opening oral area 22b, L-shaped connection between the two, and there are 2 double wall structures formed by outer wall 34c and inwall 34d.
The cross-sectional configuration of front cover section 34a as shown in Figure 3, such with the cross-sectional configuration of the lateral flaps portion 34b shown in Fig. 4, the inner peripheral surface of the periphery of the outer wall 34c of this front cover section 34a and lateral flaps portion 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 paralleled with outer wall 34c is also close together with the inner peripheral surface of waterproof casings 20.
Outer peripheral portion between the outer wall 34c and inwall 34d of above-mentioned cover section 34, is provided with all ditch 34e crossing over all-round concavity.This week ditch 34e is that the form be connected all continuously according to the all-round edge of the peristome 22 with waterproof casings 20 is arranged.
And, the side face of above-mentioned inwall 34d, the i.e. side face of the inwall 34d of the horizontal direction of front cover section 34a, and, on the side face of the inwall 34d of the longitudinal direction of lateral flaps portion 34b, be formed with tapered slope 34f respectively, this tapered slope 34f is that the direction towards pedestal portion 33 tilts with the form lower with the face of all ditch 34e opposite side.On the other hand, at the Inner peripheral portions of the peristome 22 of waterproof casings 20, also the tapered slope 23 of the tapered slope 23 of the horizontal direction in front openings portion 22 and the longitudinal direction of side opening oral area 22b is formed, the tapered slope 23 of this waterproof casings 20 is less with the thickness of the overcoat wall of open end side, and the wall thickness of the inside part larger pattern tilts.In addition, the tapered slope 23 near the peristome 22 of this waterproof casings 20 connects with engaged form with the tapered slope 34f of the inwall 34d of cover section 34.
In addition, also by changing the height of outer wall 34c and inwall 34d, forming tapered slope at the periphery of outer wall 34c, connecting with the tapered slope arranged separately of waterproof casings 20.
In addition, the outer wall 34c of above-mentioned cover section 34 is also formed with a plurality of incised notch window portion 34g be connected with all ditch 34e.Specifically, on the about Centromedian position in the fabric width direction of each outer wall 34c of front cover section 34a and lateral flaps portion 34b and lower position, be formed with the incised notch window portion 34g be connected with all ditch 34e respectively, the form that the size (highly) of the incised notch window portion 34g of this outer wall 34c is in same position according to the inner end of incised notch window portion 34g and the bottom surface of all ditch 34e is arranged.And, the periphery of the peristome 22 of waterproof casings 20 is also formed the incised notch window portion 24 be connected with above-mentioned all ditch 34e.The incised notch window portion 24 of this waterproof casings 20 is configured to, can with on above-mentioned front cover section 34a, and is in the clamping projection 34h(to be formed in the middle of all ditch 34e of opposition side with reference to Fig. 1 with lateral flaps portion 34b) phase clamping.
In cover section 34 between above-mentioned outer wall 34c and inwall 34d, have all ditch 34e mutually between the access 34j that is communicated with, this week ditch 34e be positioned in waterproof casings 20, and the inner face different from peristome 22 stands facing each other mutually.Specifically, respectively on front cover section 34a and lateral flaps portion 34b, be formed with access 34j, each end of this access 34j is opened on respectively, in all ditch 34e on the same position corresponding with the incised notch window portion 34g on outer wall 34c.This access 34j from the through cover section 34 of above-below direction, and is formed with an access 34j respectively on about middle position of front cover section 34a and lateral flaps portion 34b.In the example in the figures, the access 34j of front cover section 34a, the area of passage near namely following resin injection position, is configured to larger than the area of passage of the access 34j of lateral flaps portion 34b.
And, after having accommodated antenna element 30 in resettlement section 21, be improved for making the water proofing property of antenna assembly 10, can represent with locking wire hachure in packing material 42(Fig. 3, Fig. 4 formed by the resin of liquid state) be filled in the periphery of cover section 34 formed, in all ditch 34e with the space of ring-type and access 34j, and it is made to harden.By the resin of filling liquid state, fixedly can be accommodated in the antenna element 30 in resettlement section 21, meanwhile, the water proofing property of antenna assembly 10 can also be improved further.
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 as illustrated in the arrow of Fig. 3, week, ditch 34e and access 34j played a role as liquid resinous stream and discharge path, and along with 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, such as silicones can be used, or nylon resin etc.These resin materials, have following advantage, namely can obtain excellent injectivity and stable seal, namely while water proofing property, after hardening, have elasticity, so can also obtain the excellent durability relative to vibration.
Terminal overcoat 35, in tubular, is arranged on the lateral flaps portion 34b of above-mentioned cover section 34, and the direction that edge and the surface of this lateral flaps portion 34b intersect vertically is given prominence to.On the surface of the central part of the lateral flaps portion 34b in the inside of this terminal overcoat 35, the end of 1 group of external terminal pin 41 highlights.The inner end of this external terminal pin 41 in the pattern be connected with above-mentioned internal terminal 39,39 respectively, this external terminal pin 41 with formed in insert molding mode together with lateral flaps portion 34b from pedestal portion 33.This external terminal pin 41 is connected with outside electronic instrument by not shown plug.
Assembling below for the antenna assembly 10 of above-mentioned 1st example is carried out briefly bright, internal terminal 39 and external terminal pin 41 are in mould, one-body molded in insert molding mode with wireline reel portion 32, pedestal portion 33, cover section 34, terminal overcoat 35, side plate 36 and elastomer 37, meanwhile, shaping waterproof casings 20 separately.Coiled wire-wound coil 38 is wound up in above-mentioned wireline reel portion 32, the end of coiled wire-wound coil 38 combines with internal terminal 39, in addition, pedestal portion 33 arranges electric capacity, the terminal of electric capacity combines with internal terminal 39, and magnetive cord 31 is inserted the inside in above-mentioned wireline reel portion 32, thus assemble antenna element 30.
After that, using the elastomer 37 of above-mentioned antenna element 30 as front end, the longitudinal direction of above-mentioned antenna element 30 along magnetive cord 31, insert 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.In the terminal stage of press-in, the elastic portion 37 of front end contacts with the bottom surface of the resettlement section 21 of waterproof casings 20 and produces and is out of shape, after that, assemble with following state, the i.e. clamping projection 34h of cover section 34 and the incised notch window portion 24 phase clamping 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 right position thereon, be also provided with the not shown rail portion guided.
Antenna element 30 to be pressed in above-mentioned waterproof casings 20 and under the state combined, the longitudinal direction of the periphery of inwall 34d and the tapered slope 34f of horizontal direction contact with the state of mutual forceful contact with the tapered slope 23 of horizontal direction with the longitudinal direction of the periphery of the peristome 22 with waterproof casings 20.After that, such as, using the incised notch window portion 34g on the top of the outer wall 34c in the cover section 34a of front as inlet, the resin of liquid state is injected from this incised notch window portion 34g, the resin be injected into flows using all ditch 34e as Direction of circulation, simultaneously, resin injects from access 34j, and flow to all ditch 34e of opposition side, and air is from the incised notch window portion 24 beyond inlet, 34g discharges, simultaneously, week ditch 34e all-round be filled with by liquid resin, remaining resin is from other incised notch window portion 24, the outside overflow of 34g and going out, therefore confirm all ditch 34e accordingly all-round for resin be filled with time, just resin by injection can be stopped.By liquid resin is hardened after that, thus filler 42 is filled in wherein.
By the filling of above-mentioned filler 42, be sealed in combination between the cover section 34 of the all-round and antenna element 30 of peristome 22, thus ensure that the water proofing property of the antenna element 30 being housed in 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 liquid resinous entering can be stoped, and then water-proof sealing can be improved by contact mutual between this tapered slope.And, resin can not be produced cross this tapered slope and enter the phenomenon of not wishing its position entered, while can simply and efficiently producing required antenna assembly 10, along with the sclerosis of filler 42, by the joint of cover section 34 and waterproof casings 20, the intensity of the peristome 22 of height and good waterproof durability can be guaranteed.
In the antenna assembly 10 relevant to the 1st example discussed above, 2 double walls had by the cover section 34 formed integrated with antenna element 30 are constructed, and the antenna element 30 be housed in waterproof casings 20 can waterproof.Cover section 34 has following effect, namely because it is integrated structure, compared with the situation of mounting cover daughter separately, itself and waterproof casings 20 can be assembled with good positional precision, and can prevent the gap forming moisture intrusion, improves water proofing property.And, filler 42 is filled into all ditch 34e formed between the outer wall 34c of cover section 34 and the 2 double wall structures of inwall 34d.Because the filler 42 be filled in wherein is filled with between the inner peripheral surface of cover section 34 and waterproof casings 20, just there is not the gap that moisture invades from outside, therefore there is the effect improving water proofing property.
In addition, although the resin component part of antenna element 30 is integrated, but as the variation of example, wireline reel portion 32 and pedestal portion 33(cover section 34) also can distinguish shaping separately, reel after the wireline reel portion 32 of coiled wire-wound coil 38 is assembled into one with pedestal portion 33, be assembled into waterproof casings 20 again, inject filler 42 and just can form antenna assembly 10.
And, arrange with regard to number with regard to incised notch window portion 34g, resin injection with at least needing 1, air discharge with and residual resin spill with at least needing 1.In addition, with regard to the number of the incised notch window portion 34g of resin injection, the incised notch window portion 34g of resin injection is not limited to 1, also by a plurality of incised notch window portion 34g from a plurality of positions resin by injection, can make the entirety of all ditches indeed like this and the good resin of promptly filling.And, also in the waterproof casings 20 of position corresponding to above-mentioned all ditch 34e, a plurality of incised notch window portion comprising the incised notch window portion of resin injection can be formed, at this moment, also can be omitted on outer wall 34c and form incised notch window portion 34g.And, also can as the incised notch window portion 24 of the waterproof casings 20 in above-mentioned example, take clamping opening dual-purpose to be the form of discharge opening.
And, arrange with regard to number and its forming part with regard to access 34j, consider from the point of the mobility improving filler 42, also suitably can change according to the shape of cover section 34.Such as, be communicated with to get up also passable between a plurality of access is mutual, formed between the access of longitudinal direction and the access of horizontal direction and be communicated with, can 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, same with the 1st example be with, what the antenna assembly 100 be such as mounted on automobile was example, this antenna assembly 100 is antenna elements 130 that the magnetive cord 131 of the coiled wire-wound coil 138 that reeled is formed, and is contained in waterproof casings 120.
This example place different from the 1st example is, the shape of the peristome 122 of waterproof casings 120 is only at the front openings relative with the bottom surface of resettlement section 121, and in side not opening.Cover section 134 only arranges in front, and terminal overcoat 135 forms in tubular is projecting along the longitudinal direction from front cover section 134.
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, one end is by resettlement section 121 He of tubular with the end sealed, the peristome 122 be connected with this resettlement section 121, and, to insert along the longitudinal direction from peristome 122 as the antenna element 130 of electronic component 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 inner face near the ora terminalis of above-mentioned peristome 122, be formed with all-round continuous print tapered slope 123, the both ends of the overcoat wall of both sides become to have incised notch window portion 124, and to be also formed with flange 125(near the bottom of resettlement section 121 with the flange 25 in above-mentioned 1st example are same structures) and, the outside of resettlement section 121 is also provided with Access Division 126, can be installed by this Access Division 126 with the holding element phase clamping arranged on position being formed at automobile etc. in advance.
Above-mentioned waterproof casings 120 is synthetic resins, is through being shaped by mechanical strength, resistance to chemical reagents, ABS resin, PBT resin, PPS resin or its mixture that heat-resisting and moisture-proof is all very outstanding.
In addition, by antenna element 130 being accommodated and being fixed on the inside of the resettlement section 121 of waterproof casings 120, can be protected it less by the impact of the vibration, impact, temperature, humidity, dust etc. of external environment condition.
Above-mentioned antenna element 130 be by magnetive cord 131 and, the wireline reel portion 132 that is made up of synthetic resin, pedestal portion 133, cover section 134, terminal overcoat 135, side plate 136 and elastic portion 137 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 locking wire hachure shown) formed.In this example, above-mentioned wireline reel portion 132, pedestal portion 133, cover section 134, terminal overcoat 135, side plate 136 and elastic portion 137 are formed by non-conductive and nonmagnetic resin integrated molding, and above-mentioned internal terminal 139 and external terminal pin 141 are arranged to by insert molding mode to be integrated simultaneously.
Magnetive cord 131 is formed by the magnetic material identical with precedent, and same its is rectangular shape.And the formation in wireline reel portion 132 is also same with precedent, the inside, above-mentioned wireline reel portion 132 in corner tubular has been inserted into magnetive cord 131, and is similarly wound with coiled wire-wound coil 138 in its periphery.In addition, in figure 6, seem that the about half in wireline reel portion 132 is wound with coiled wire-wound coil 138, the signal of the coiled wire-wound coil 138 of the winding in fact on remainder has been omitted, to make wireline reel portion 132 can pattern in sight illustrate.Side plate 136 and elastic portion 137 connection identical with precedent are arranged on an end in wireline reel portion 132.
And similarly pedestal portion 133 is connected with the other end in above-mentioned wireline reel portion 132 to arrange, and above-mentioned pedestal portion 133 is configured to the pattern connecting this wireline reel portion 132 and cover section 134.In this example, the front end of magnetive cord 131 is (with reference to Fig. 8) of being close together with the back side of cover section 134.
At the central portion in pedestal portion 133, the installation recess 133b be provided with, this installation recess 133b are used to install electric capacity not shown in the diagram like the previous example.In insert molding mode by the 1 group of internal terminal 139 buried underground, on an end of 139, be fixed wtih the splicing ear of electric capacity respectively, and on another end, respectively connected the both ends of coiled wire-wound coil 138, coiled wire-wound coil 138 and electric capacity link together in a series arrangement, and the antenna element 130 in the same manner as precedent in this example, the series resonant circuit be also connected in series by electric capacity and coiled wire-wound coil 138 constitutes transmitting antenna.
Secondly, cover section 134 encloses the peristome 122 of waterproof casings 120, and has 2 double wall structures formed by outer wall 134c and inwall 134d.Fig. 8 shows the cross-sectional configuration of cover section 134, and the periphery of the outer wall 134c of cover section 134 is close to the inner peripheral surface of the peristome 122 of waterproof casings 120 and is connected.
Outer peripheral portion between the outer wall 134c and inwall 134d of above-mentioned cover section 134, is provided with all ditch 134e crossing over all-round concavity.This week ditch 134e is that the form connected all continuously according to the all-round edge of the surrounding of the peristome 122 with waterproof casings 120 is arranged.
And on the side face of above-mentioned inwall 134d, be formed with tapered slope 134f, this tapered slope 134f is that the direction towards pedestal portion 133 tilts with the form lower with the face of all ditch 134e opposite side.On the other hand, at the Inner peripheral portions of the peristome 122 of waterproof casings 120, be also formed with tapered slope 123, the tapered slope 123 of this waterproof casings 120 is less with the thickness of the overcoat wall of open end side, and the wall thickness of the inside part larger pattern tilts.In addition, the tapered slope 123 near the peristome 122 of this waterproof casings 120 connects with engaged form with the tapered slope 134f of the inwall 134d of cover section 134.
In addition, also by changing the height of outer wall 134c and inwall 134d, forming tapered slope at the periphery of outer wall 134c, connecting with the tapered slope arranged separately of waterproof casings 120.
In addition, the about Centromedian position in 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 be connected with all ditch 134e.The form that the size (highly) of the incised notch window portion 134g of this outer wall 134c is in same position according to the inner end of incised notch window portion 134g and the bottom surface of all ditch 134e is arranged.And, on the left and right overcoat wall of the periphery of the peristome 122 of waterproof casings 120, be formed with the incised notch window portion 124 be connected with above-mentioned all ditch 134e respectively.The incised notch window portion 124 of this waterproof casings 120 is configured to, can with the pattern of clamping projection 134h phase clamping that formed in all ditch 134e of above-mentioned cover section 134 both sides.
In cover section 134 between above-mentioned outer wall 134c and inwall 134d, have all ditch 134e mutually between the access 134j that is communicated with, this week ditch 134e be positioned in waterproof casings 120, and the inner face different from peristome 122 stands facing each other mutually.Specifically, be formed with access 134j in cover section 134, each end of this access 134j is opened on respectively, in all ditch 134e on the same position corresponding with the incised notch window portion 134g on outer wall 134c.This access 134j from the through cover section 134 of above-below direction, and is formed with 1 access 134j on about middle position of cover section 134.
And, this example is in the same manner as precedent, after having accommodated antenna element 130 in resettlement section 121, be improved for making the water proofing property of antenna assembly 100, can represent with locking wire hachure in packing material 142(Fig. 8 formed by the resin of liquid state) be filled in the periphery of cover section 134 formed, have in all ditch 134e in the space of ring-type, and make it harden.By the resin of filling liquid state, fixedly can be accommodated in the antenna element 130 in resettlement section 121, meanwhile, the water proofing property of antenna assembly 100 can also be improved further.
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 played a role as liquid resinous stream and discharge path, and along with 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.
Terminal overcoat 135, in tubular, is arranged in above-mentioned cover section 134, and the direction that edge and the surface of this cover section 134 intersect vertically is given prominence to.On the surface of the central part of the cover section 134 in the inside of this terminal overcoat 135, the end of 1 group of external terminal pin 141 highlights.The inner end of this external terminal pin 141 is in the pattern be connected with above-mentioned internal terminal 139,139 respectively, and this external terminal pin 141 is formed in insert molding mode together with from pedestal portion 133 to cover section 134.This external terminal pin 141 is connected with outside electronic instrument by not shown plug.
In the middle of this example, as shown in Figure 7 and Figure 8, there is following structure, namely in the recess that the root of terminal pins 141 is formed outside, be equipped by sealing formed by potting resin 145, be tightly affixed between itself and not shown external plug, thus obtain waterproof seal.That is, external plug is loaded onto along terminal overcoat 135, be electrically connected between this external plug with external terminal pin 141, simultaneously, its front end face keeps oppressing with sealing 145 phase the state be close to, therefore can obtain following water proofing property, namely prevention moisture enters the electrical connections between itself and external terminal pin 141.
Assembling below for the antenna assembly 100 of above-mentioned 2nd example is carried out briefly bright, internal terminal 139 and external terminal pin 141 are in mould, one-body molded in insert molding mode with roll portion 132, pedestal portion 133, cover section 134, terminal overcoat 135, side plate 136 and elastomer 137, meanwhile, shaping waterproof casings 120 separately.Coiled wire-wound coil 138 is wound up in above-mentioned wireline reel portion 132, the end of coiled wire-wound coil 138 combines with internal terminal 139, in addition, pedestal portion 133 arranges electric capacity, the terminal of electric capacity combines with internal terminal 139, and magnetive cord 131 is inserted the inside of above-mentioned wireline reel 132, thus assemble antenna element 130.In addition, after one-body molded, packing material be filled in the recess that the outer wall 134c of the inside of terminal overcoat 135 is formed, sealing 145 is set.
After that, using the elastomer 137 of above-mentioned antenna element 130 as front end, the longitudinal direction of above-mentioned antenna element 130 along magnetive cord 131, insert 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.In the terminal stage of press-in, the elastic portion 137 of front end contacts with the bottom surface of the resettlement section 121 of waterproof casings 120 and produces and is out of shape, after that, assemble with following state, the i.e. clamping projection 134h of cover section 134 and the incised notch window portion 124 phase clamping 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 right position thereon, be also provided with the not shown rail portion guided.
Antenna element 130 to be pressed in above-mentioned waterproof casings 120 and under the state combined, the longitudinal direction of the periphery of inwall 134d and the tapered slope 134f of horizontal direction contact with the state of mutual forceful contact with the tapered slope 123 of horizontal direction with the longitudinal direction of the periphery of the peristome 122 with waterproof casings 120.After that, such as, using the incised notch window portion 134g on the top of the outer wall 134c in the cover section 134a of front as inlet, the resin of liquid state is injected from this incised notch window portion 134g, the resin be injected into flows using all ditch 134e as Direction of circulation, simultaneously, liquid resin flows through access 134 all ditch 134e downwards and flows, the air of there is then discharged from the incised notch window portion 134g beyond inlet, simultaneously all ditch 134e all-round be filled with by liquid resin, the outwards overflow and going out of the incised notch window portion 124 of remaining resin incised notch window portion 134g from below and waterproof casings 120, therefore confirm all ditch 134e accordingly all-round for resin be filled with time, just resin by injection can be stopped.By liquid resin is hardened after that, thus filler 142 is filled in wherein.
, be sealed in combination between the cover section 134 of the all-round and antenna element 130 of peristome 122 by the filling of above-mentioned filler 142, identically with precedent, thus ensure that the water proofing property of the antenna element 130 being housed in 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, due to tapered slope 123, being close to so liquid resinous entering can be stoped of 134f, and then water-proof sealing can be improved by the contact that this tapered slope is mutual.And, resin can not be produced cross tapered slope and enter the phenomenon of not wishing its position entered, while can simply and efficiently producing required antenna assembly 100, along with the sclerosis of filler 142, by the joint of cover section 134 and waterproof casings 120, the intensity of the peristome 122 of height and good waterproof durability can be guaranteed.
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 form various pattern.
Such as, in above-mentioned example, antenna element is contained in waterproof casings, but, be not limited to antenna element (coil part) by the element of accommodating.That is, the electronic circuit beyond antenna element, electronic component etc. are contained in waterproof casings and form electronic component device, also there is same function and effect.Need not superfluous words about this point.
And the shape of aforementioned middle resettlement section is the tubular that one end is closed, but the tubular of both ends open forms also passable.When this formation, after electronic component is contained in resettlement section, by cover section, closed at both ends is lived.
Claims (1)
1. an electronic component device, is characterized in that, comprising:
There is the waterproof casings of resettlement section; And
Be contained in the electronic component of the resettlement section of above-mentioned waterproof casings, this electronic component has the wireline reel portion being wound with coiled wire-wound coil,
Magnetive cord is partially inserted in above-mentioned wireline reel portion, thus a part for this magnetive cord is exposed from the rear side in above-mentioned wireline reel portion, and above-mentioned wireline reel portion is provided with side plate in the both sides of the above-mentioned part exposed along above-mentioned magnetive cord,
The front end of this side plate extends further and is provided with laminal elastic portion, and the front end of this elastic portion contacts with the bottom surface of the resettlement section of above-mentioned waterproof casings and produces strain.
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 CN103682616A (en) | 2014-03-26 |
| CN103682616B true CN103682616B (en) | 2016-04-20 |
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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 |
| CN201310615747.3A Active CN103682616B (en) | 2009-10-21 | 2010-09-27 | Electronic component device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010295908 Active CN102044751B (en) | 2009-10-21 | 2010-09-27 | Electronic component device |
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| Country | Link |
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| JP (1) | JP5448062B2 (en) |
| CN (2) | CN102044751B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| WO2015037371A1 (en) * | 2013-09-12 | 2015-03-19 | 株式会社村田製作所 | Coil part |
| JP6972795B2 (en) | 2017-09-04 | 2021-11-24 | スミダコーポレーション株式会社 | Manufacturing method of antenna device and antenna device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN102044751B (en) | 2013-11-06 |
| JP5448062B2 (en) | 2014-03-19 |
| CN102044751A (en) | 2011-05-04 |
| JP2011091544A (en) | 2011-05-06 |
| CN103682616A (en) | 2014-03-26 |
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