CN103730726B - Antenna device - Google Patents
Antenna device Download PDFInfo
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- CN103730726B CN103730726B CN201310713945.3A CN201310713945A CN103730726B CN 103730726 B CN103730726 B CN 103730726B CN 201310713945 A CN201310713945 A CN 201310713945A CN 103730726 B CN103730726 B CN 103730726B
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- antenna
- oscillator
- antenna assembly
- base
- insulator foot
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Abstract
The invention provides an antenna device. An outside peripheral wall portion and an inside peripheral wall portion are formed on the lower portion of a shark-fin-shaped antenna cover (10). The lower end face of the inside peripheral wall portion is welded to the upper surface of an insulating base (20) of an antenna base (11) arranged on the lower surface of the antenna cover. Thus, an antenna assembly can be contained in the antenna cover (10) of a waterproof structure. The antenna assembly comprises an oscillator support (12) which is vertically arranged on the antenna base (11), an umbrella-shaped oscillator (13), an amplifier substrate (16) and a coil (14). The umbrella-shaped oscillator (13) is fixed to the upper portion of the oscillator support (12) in the manner that the rear portion of the umbrella-shaped oscillator (13) is arranged above the insulating base (20). The amplifier substrate (16) enables the receiving signal of the umbrella-shaped oscillator (13) to be amplified. The coil (14) enables the umbrella-shaped oscillator (13) to perform resonance in the specified frequency. Thus, the antenna base does not need to be designed to be a strength component.
Description
The application is the divisional application of following patent application：
Application number：201280025058.0；
International filing date：On January 30th, 2012；
Into the National Phase in China date：On November 22nd, 2013
Denomination of invention：Antenna assembly
Technical field
The present invention relates to a kind of small-sized low profile type antenna assembly being equipped on automobile.
Background technology
In the past, known antenna assembly had the antenna device mounted on vehicle for for example possessing antenna house so only to have restricted clearance
Antenna assembly.Figure 41 to Figure 43 is the structure for representing this conventional antenna assembly 100.But, Figure 41 is to represent conventional day
The side view of the structure of line apparatus 100, Figure 42 is the side view of the internal structure of the antenna assembly 100 for representing conventional, Tu43Shi
Represent the decomposition assembling figure of conventional antenna assembly 100.
Conventional antenna assembly 100 shown in these figures is mounted to the antenna assembly of roof, is being installed on the feelings of vehicle
Under condition, the height about 66mm that the antenna assembly is projected from vehicle, width about 63mm, length about 153mm.Antenna assembly 100 is low
Back type, can receive AM broadcast and FM broadcast.The shape of the antenna assembly 100 be more forward end go it is thinner streamlined.And
The soft heelpiece of rubber system or elastic system is embedded with the lower surface of antenna assembly 100, vehicle can be water-tightly installed on.
Conventional antenna assembly 100 includes：Resin-made antenna house 110, the metal system being embedded in the bottom of the antenna house 110
Antenna base 120, be vertically mounted in antenna base 120 antenna substrate 130 and be abreast installed on antenna base 120
Amplifier substrate 134, section shape is formed as chevron and the top 131, Yi Jian configured in the way of across antenna substrate 130
Loaded on the gps antenna 132 on antenna base 120.Antenna house 110 is the synthetic resin system of electric wave-transparent, and by more forward
End goes the housing department 110a of thinner fairshaped outer shape to constitute.Being formed with the antenna house 110 can receive setting and set
The space at the top 131 on the antenna substrate 130 put and the top for being configured at antenna substrate 130, and laterally storage is amplified
The space of device substrate 134.Metal antenna base 120 is embedded with the lower surface of antenna house 110.And, antenna substrate 130 is erected
Vertical to be configured to be fixed on antenna base 120, amplifier substrate 134 is fixed on substantially in parallel antenna substrate with antenna base 120
130 front.Antenna radiation pattern is formed with the top of antenna substrate 130.In addition, the top in antenna house 110 is built-in with
Top 131.And, by the way that antenna house 110 is flush-mounted in into antenna base 120, make to be built in the top 131 of antenna house 110 with across
The mode for crossing the top of antenna substrate 130 is configured, and becomes connection metalwork 136 and the top on the top for being installed on antenna substrate 130
The situation of the inner surface electrical resistance ground connection in portion 131.Due to connecting metalwork 136 and the antenna side for being formed at antenna substrate 130
Connect to figure electrical resistance, therefore, become situation about connecting top 131 and antenna radiation pattern via connection metalwork 136.By
This is formed as：Antenna oscillator, antenna substrate 130, top 131 and amplifier base are constituted by antenna radiation pattern and top 131
Plate 134 is incorporated in the space in antenna house 110.
Coil 135 is provided with antenna substrate 130, the coil 135 is used to make to be consisted of antenna radiation pattern and top 131
Antenna oscillator resonate near FM wave bands.One end of coil 135 is connected to antenna radiation pattern, the other end connection of coil 135
In the one end for the directional diagram being formed on antenna substrate 130, the other end of direction figure is connected with one end of connecting line 133.Even
The other end of wiring 133 is connected to the input unit of the AM/FM amplifiers for being arranged on amplifier substrate 134, will be by antenna direction
The AM/FM that the antenna oscillator that figure and top 131 are constituted is received receives signal input and carries out amplification to AM/FM amplifiers.In addition,
The bolt portion 121 for being installed on antenna assembly 100 on vehicle is protrudedly formed from the lower surface of antenna base 120.Separately
Outward, derived by the lower surface from antenna base 120 for receiving signal and import cable 122 in vehicle from antenna assembly 100.
The cable 122 includes from amplifier substrate 134 deriving and is amplified by the AM/FM being arranged on amplifier substrate 134 for conduction
AM after device amplification receives signal and FM receives the cable of signal, and is tied up using clip 145.In this case, for spiral shell
The hole of spigot 121 and the insertion of cable 122 is formed at roof, and bolt portion 121 and cable 122 are run through into this some holes, so as to by day
Line apparatus 100 are placed in roof.And, by the way that nut is anchored on into prominent bolt portion 121 in vehicle, by antenna assembly
100 tops for being fixed on vehicle.Additionally, the power supply of the power supply of amplifier substrate 134 to being accommodated in antenna house 110, by electricity
Cable 122 is supplied from in-car to amplifier substrate 134.
Decomposition assembling figure with reference to shown in Figure 43 is illustrating the assembling of conventional antenna assembly 100.Conventional antenna assembly
100, top 131 is fixed in antenna house 110 top by 2 screws 140.It is embedded with the upper end of antenna substrate 130
Connection metalwork 136.Connection metalwork 136 is installed on the top of antenna substrate 130 by way of clamping antenna substrate 130.
In addition, being installed by welding with coil 135 on antenna substrate 130.The antenna substrate 130 is erect by 2 screws 141 and is configured to admittedly
Due to antenna base 120.In addition, amplifier substrate 134 is configured at the front of antenna substrate 130, and by 3 screws 142 with
Almost parallel mode is fixed in antenna base 120.Signal and defeated will be received by the AM of amplification from amplifier substrate 134
Going out the cable 122 of FM reception signals derives, and the front end of cable 122 is provided with terminal 143, and terminal 143 is fixed on amplifier substrate
134 back side.In addition, by the way that one end of thread connecting line 133 is connected to into antenna substrate 130, by the another of connecting line 133
End is connected to amplifier substrate 134, thus, by located at the output end of the coil 135 of amplifier substrate 130 and located at amplifier base
The input connection of the AM/FM amplifiers of plate 134, and the antenna oscillator formed by antenna radiation pattern and top, by what is received
AM/FM receives the AM/FM amplifiers of signal input to amplifier substrate 134.Clip 145 is flush-mounted in into the root of cable 122, with
Just the cable 122 drawn by the fairlead of antenna base 120 is tied up.
In the lower section of amplifier substrate 134, it is configured with hook 144 and is flush-mounted in antenna base 120.From the two of hook 144
Side is extended with the engaging foot of paired lengthening.When antenna assembly 100 is installed on vehicle, the engaging foot be formed at
The edge engaging of the installing hole of vehicle, plays a part of for antenna assembly 100 to be temporarily fixed on car body.Thus, it be not from car
It is external to keep antenna assembly 100 but in the case of nut 147 is threadedly connected to into bolt portion 121 from in-car, can be so that day
Line apparatus 100 are threadedly coupled without the mode that self installation hole is extracted.
The lower surface of antenna base 120 is embedded with heelpiece 124.In the circumference of heelpiece 124, be formed with altogether 5 can
For the hole portion of screw head insert, 5 screws 146 have been inserted from below in the hole portion, screw 146 is inserted through and is formed in antenna
The embedded hole of the circumference of base 120, screw thread is installed on the periphery of the lower surface of antenna house 110.Thereby, it is possible to antenna assembly
100 are assembled.When the alignment of bolt portion 121 is formed at into the installing hole of vehicle to install the antenna assembly 100 for assembling, such as
Upper described, antenna assembly 100 is temporarily fixed on installing hole by hook 144.In this condition, by by nut 147 from car
Internal thread is fixed to bolt portion 121, thus, it is possible to antenna assembly 100 is installed on into car body.
The structure of the antenna house 110 of conventional antenna assembly 100 is as shown in Figure 44 and Figure 45.But, Figure 44 is to cut open
Face figure represents the side view of the structure of antenna house 110, and Figure 45 is the upward view of the structure for representing antenna house 110.
As shown in these figures, antenna house 110 is with the synthetic resin of electric wave-transparent using making, and in more going toward front end
Thinner fairshaped outer shape.It is formed with to receive in antenna house 110 and erects the antenna substrate 130 and configuration for arranging
In the top 131 on the top of antenna substrate 130 space and can laterally receive the space of amplifier substrate 134.In addition,
For 5 screws that are screwed, lower surface be formed with altogether 5 screwed hole 110c, be formed with 1 in front portion, in central authorities
The both sides in portion respectively form 1 and respectively form 1 in the both sides at rear portion.In addition, in order to form screwed hole 110c, being also formed with
The 5 boss 110b bloated around screwed hole 110c.In addition, the top in antenna house 110 is also formed with for by 2
Screw 140 fixes 2 boss 110e at top 131.
In addition, as shown in Figure 42, Figure 43, the top 131 of conventional antenna assembly 100 is processed by metallic plate and is formed,
The top of curved surface slowly declined with front is formed towards, is formed with from top to inclined first sidepiece in both sides and the
Two sidepieces.Three openings are respectively formed with the first sidepiece and the second sidepiece, each sidepiece is formed by 4 pieces.In described
Substantially central portion paired piece become connected to connect metalwork 136 contact chip.In order to not with bloat to inner side and shape
Into boss 110b contacts, contact chip is bent over and formed to become from the substantially vertical mode in midway.In addition, at top 131
Top be formed with flat part at 2, be respectively formed with screwed hole in flat part.Screw 140 has been inserted respectively in the screwed hole, has been led to
The boss 110e of the inner side for being threadedly secured in the top for being formed at antenna house 110 is crossed, top 131 is installed in antenna house 110.
Next, the structure of the antenna base 120 of conventional antenna assembly 100 is as shown in Figure 46 and Figure 47.But Figure 46
It is the top view of the structure for representing antenna base 120, Figure 47 is the side view of the structure for representing antenna base 120.
Antenna base 120 shown in these figures is made using metal, and its front portion has the substantially square attenuated in frustum
The main part 120a that the flat board of shape is formed, in the circumference of main part 120a, is formed with 5 embedded hole 120f altogether.Pass through
The screw 146 for running through embedded hole 120f respectively from lower section is screwed on respectively the lower surface for being formed in antenna house 110
Screwed hole 110c, thus antenna base 120 is flush-mounted in into antenna house 110.Before the attenuating in frustum of main part 120a
Portion, is formed with 3 boss 120e, uploads in boss 120e and puts amplifier substrate 134, and makes to run through amplifier substrate 134
Screw 142 be screwed on boss 120e respectively, thus, it is possible to amplifier substrate 134 is fixed on antenna base 120.
In addition, in the substantially central portion and rear portion side of main part 120a, along horizontal direction 2 threaded portions are formed with
120d.Threaded portion 120d is threadedly secured in respectively by the screw 141 of the installing hole by antenna substrate 130 is run through, thus
Can by antenna substrate 130 to erect setting in the way of be installed on antenna base 120.Lean in the central authorities certainly of main part 120a and slightly
Rear portion side, is formed with the rectangular box-like gps antenna installation portion 120b with rectangular recess, the four of gps antenna installation portion 120b
Individual angle is formed with screwed hole 120c.The screw thread is fixed on by 4 screw threads of the installing hole by gps antenna 132 is run through
Hole 120c, can be installed on gps antenna installation portion 120b by gps antenna 132.It is formed with the central portion of main part 120a rectangular
The cable lead-out aperture 120h of shape.From cable lead-out aperture 120h, can will be connected to the cable 122 of amplifier substrate 134 and connect
The cable for being connected to gps antenna 132 is drawn.
In addition, in the central portion and summary side close to the top of main body 120a, being formed with 4 the first rectangular opening 120g and 2
Second rectangular opening 120i.The first rectangular opening 120g insert respectively hook 144 4 chimeric foot 144b, and its front end with
The back side engaging of antenna base 120, thus, it is possible to hook 144 is installed on into antenna base 120.2 engaging foots of hook 144
144c is inserted in the second rectangular opening 120i, and is projected along bolt portion 121 from the lower surface of antenna base 120.Main body 120a
The back side be protrudedly formed bolt portion 121, and be provided with the card of the cable 122 drawn from cable lead-out aperture 120h for binding
Hoop 145.
Next, the structure of the heelpiece 124 of conventional antenna assembly 100 is as shown in Figure 48 and Figure 49.But, Figure 48 is table
Show the top view of the structure of heelpiece 124, Figure 49 is the side view of the structure for representing heelpiece 124.
Heelpiece 124 shown in these figures is made using rubber or elastomer is made, and heelpiece 124 has main part 124a, should
Main part 124a is by with towards front portion removing tapered curved surface and rear end is to be cut into linear elongated ellipse
The flat board of half is formed, and on the surface of main part 124a, is formed with the week of the shape of outer shape along antenna base 120
Wall portion 124b.Antenna base 120 is loaded on the surface of heelpiece 124, antenna base 120 is embedded in surrounding wall portion 124b, thus will
Heelpiece 124 is fixed on antenna base 120.In addition, 5 hole portions 124d altogether are formed with the inside of surrounding wall portion 124b, in the hole
124d inserts in portion have the head from lower insert in the screw 146 of the embedded hole 120f of antenna base 120.In main body 124a
Entreat to front portion and be formed with the perforate 124c of ellipse, to make bolt portion 121, the electricity of the lower surface for being arranged at antenna base 120
Cable 122 and clip 145 are projected from perforate 124c.
Prior art literature
Patent document 1：Japanese Unexamined Patent Publication 2010-21856 publications
The content of the invention
＜ problems to be solved by the invention ＞
It is that the functional part of protection reception electric wave is not affected by rainwater, dust etc. in conventional antenna assembly 100, will
Antenna base 120 is fixed on antenna house 110 by these receive capabilities member storages in antenna house 110 with screw 146.And
And, in order to prevent rainwater etc. from the inside of antenna house 110 is immersed from the gap of antenna house 110 and antenna base 120, in antenna house
110 bottom is provided with surrounding wall portion 110d with waterproof rib function.Press from both sides between surrounding wall portion 110d and antenna base 120
Enter to have heelpiece 124 and constitute watertight structure, so as to protect the functional part of inside.Antenna base 120 as functional part and
While keeping the strength member of antenna house 110, the effect of the earth electrode of amplifier substrate 134, amplifier substrate are also had concurrently
134 ground wire, via antenna base 120 bolt portion 121 and the electrical resistance of nut 147 be connected to car body.
The sensitivity of known conventional antenna assembly 100 by top 131 with and opposite electrically connected in the top 131
Ground between interval determine, be spaced it is bigger, the area at top 131 is bigger, and sensitivity is more stable.Thus, to guarantee to connect
Performance is received, needs for top 131 to be configured at high position, or increased width and expand receiving area.However, in order to utilize spiral shell
Antenna base 120 is fixed on antenna house 110 by silk 146, is formed with the inner side of antenna house 110 multiple for being threaded hole
The boss 110b of 110c.Because boss 110b is formed in the way of bloating to inner side, and in order to avoid boss 110b and top
131 interference, therefore the width at top 131 is restricted.Therefore, the sidepiece at top 131 is respectively formed with 3 openings, face
Width to the sidepiece at the top 131 of the position of boss 110b is formed narrow.In addition, according to the statute of limitations, the outside of automobile
Projection should in below 70mm, after antenna assembly is miniaturized, for make top 131 and ground plane interval holding fixed value with
On, the part at the top 131 of height step-down is removed.For this purpose, there is a problem of the shape at top 131 becomes complicated.
In addition, heelpiece 124 be shaped as bypass antenna house 110 it is boss 110b, in the shape shown in Figure 48, in order to protect
Hold waterproof construction and be formed as complicated shape.In addition, inside antenna house 110, due to boss 110b, surrounding wall portion 110d and
The reason for strengthening rib strip of these parts etc., be formed as complicated structure.To improve receiving sensitivity, need to expand collecting top
131 inner space, so the wall thickness of antenna house 110 to be designed to thin, but the position of above-mentioned complicated shape, its wall thickness but without
Method is thinning.Therefore, when antenna house 110 is molded, the part that there is the more so-called labyrinth different in wall thickness is susceptible to
Big contraction distortion, outward appearance facial disfigurement, the problems such as produce shrink mark.
In addition, to improve receiving sensitivity, the maximum height of antenna assembly 100 adopts limiting altitude, and is further to carry
High sensitivity, the way by the lower thickness of the antenna base 120 opposite with top 131 is effective.However, antenna base
120 is the strength member as earth electrode, and for prevent to the inside of antenna house 110 soak, need the antenna base 120 with
With very big axle power clamping heelpiece 124 between antenna house 110, there is a problem of can not thinning and maximization.
When antenna base 120 becomes large-scale, the outside of antenna base 120 will be exposed to prevent the corrosion of rainwater etc.
The heelpiece 124 that the part of gas covers also becomes large-scale.Therefore, the roof of the vehicle that thickness of slab is thinning and rigidity is low is subject to large-scale
Heelpiece 124 is pressed, and is existed and is susceptible to deform in roof because of the pressing force, damages appearance design or cause water-proof function to drop
Low problem.
Therefore, it is an object of the invention to provide a kind of antenna assembly that can solve the problem that the problems referred to above.
Method ＞ that ＜ is used for solve problem
In order to reach above-mentioned purpose, the antenna assembly of the present invention includes：The antenna house of insulating properties, its lower surface opening and
It has been internally formed accommodation space；Antenna base, it supplies the antenna house to be embedded in；Umbrella shape oscillator, it is configured at the antenna base
On；Amplifier substrate, it is provided with the amplifier of the reception signal amplification for making the umbrella shape oscillator, is configured on the antenna base；
And coil, it is inserted between the output end of the umbrella shape oscillator and the input of the amplifier, so that the umbrella shape is shaken
Son produces resonance in the frequency of regulation, and the coil is configured in the approximate centre of the width of the umbrella shape oscillator.
＜ The effect of invention ＞
In the antenna assembly of the present invention, by the lower surface of antenna house with weld or bonding by way of be fixed on absolutely
Be formed as waterproof construction on edge base.Therefore, it can without the need for the large-scale heelpiece for forming waterproof construction, antenna base
Need not be with very big axle power clamping heelpiece, so without the need for antenna base being designed as into strength member made by metal and can be adopted
Insulator foot is formed.In addition, in the case where antenna assembly is installed on after vehicle, will not be deformed in roof, Neng Goufang
Stop loss harmful appearance design, the situation of water-proof function reduction.Furthermore it is possible to without the need for antenna house arrange for be used for by antenna base with
The boss that the screwed hole that screw thread is fixed is formed.Thus, due to making antenna house that there is substantially uniform thin wall thickness, institute
With the contraction distortion for being difficult to produce during shaping, it is prevented from outward appearance facial disfigurement, produces the situation of shrink mark.Further, since in antenna
Cover is not provided with boss, it is possible to making simplifying the structure for umbrella shape oscillator.
Further, since coil is configured in the approximate centre of the width of umbrella shape oscillator, institute can be avoided as much as
State the interference between umbrella shape oscillator and the coil.Therefore, in the case where the receptivity of phase same level is maintained, can reduce
The width of umbrella shape oscillator.Improve design thereby, it is possible to the width on the top by reducing antenna house.
Description of the drawings
Fig. 1 is the stereogram of the structure of the antenna assembly for representing the embodiment of the present invention.
Fig. 2 is the side view of the structure of the antenna assembly for representing the embodiment of the present invention.
Fig. 3 is the top view of the structure of the antenna assembly for representing the embodiment of the present invention.
Fig. 4 is the front view of the structure of the antenna assembly for representing the embodiment of the present invention.
Fig. 5 is the side view of the internal structure of the antenna assembly that the embodiment of the present invention is represented with profile.
Fig. 6 is the stereogram of the internal structure of the antenna assembly that the embodiment of the present invention is represented with half-sectional view.
Fig. 7 is the schematic diagram of the state of the antenna module flush antenna cover of the antenna assembly for representing the present invention.
Fig. 8 is the stereogram of the structure of the antenna module of the antenna assembly for representing the present invention.
Fig. 9 is the top view of the structure of the antenna module of the antenna assembly for representing the present invention.
Figure 10 is the side view of the structure of the antenna module of the antenna assembly for representing the present invention.
Figure 11 is the front view of the structure of the antenna module of the antenna assembly for representing the present invention.
Figure 12 is the side view of the structure of the antenna house of the antenna assembly for representing the present invention.
Figure 13 is the upward view of the structure of the antenna house of the antenna assembly for representing the present invention.
Figure 14 is the side view of the structure of the antenna house of the antenna assembly that the present invention is represented with profile.
Figure 15 is the front view of the structure of the antenna house of the antenna assembly that the present invention is represented with profile.
Figure 16 is the top view of the structure of the insulator foot of the antenna assembly for representing the present invention.
Figure 17 is the side view of the structure of the insulator foot of the antenna assembly for representing the present invention.
Figure 18 is the upward view of the structure of the insulator foot of the antenna assembly for representing the present invention.
Figure 19 is the top view of the structure of the conductive seat of the antenna assembly for representing the present invention.
Figure 20 is the side view of the structure of the conductive seat of the antenna assembly for representing the present invention.
Figure 21 is the upward view of the structure of the conductive seat of the antenna assembly for representing the present invention.
Figure 22 is the stereogram of the package assembly of the antenna base of the antenna assembly for representing the present invention.
Figure 23 is the stereogram of the structure of the antenna base of the antenna assembly for representing the present invention.
Figure 24 is the upward view of the structure of the antenna base of the antenna assembly for representing the present invention.
Figure 25 is the front view of the structure of the antenna base of the antenna assembly for representing the present invention.
Figure 26 is the front view of the structure of the antenna base of the antenna assembly that the present invention is represented with profile.
Figure 27 is the stereogram of the structure of the oscillator support of the antenna assembly for representing the present invention.
Figure 28 is the side view of the structure of the oscillator support of the antenna assembly for representing the present invention.
Figure 29 is the top view of the structure of the oscillator support of the antenna assembly for representing the present invention.
Figure 30 is the front view of the structure of the oscillator support of the antenna assembly for representing the present invention.
Figure 31 is the side view of the structure of the oscillator support of the antenna assembly that the present invention is represented with profile.
Figure 32 is the top view of the structure of the umbrella shape oscillator of the antenna assembly for representing the present invention.
Figure 33 is the stereogram for representing the state that the umbrella shape oscillator of the antenna assembly of the present invention is assembled into oscillator support.
Figure 34 is represented the side-looking of the state that umbrella shape oscillator has been assembled in oscillator support of the antenna assembly of the present invention
Figure.
Figure 35 is to represent the local knot that the umbrella shape oscillator of the antenna assembly of the present invention is assembled in oscillator support with profile
The front view of structure.
Figure 36 is the stereogram of the structure of the antenna substrate of the antenna assembly for representing the present invention.
Figure 37 is the stereogram and top view of the loop construction of the antenna assembly for representing the present invention.
Figure 38 is the stereogram of the structure of the power supply terminal of the antenna assembly for representing the present invention.
Figure 39 be represent the umbrella shape oscillator of antenna assembly of the present invention, oscillator support, loop pads, the assembling of gap shield it is vertical
Body figure.
Figure 40 is curve of the antenna assembly with the frequency characteristic of the average gain of conventional antenna assembly for representing the present invention
Figure.
Figure 41 is the side view of the structure of the antenna assembly for representing conventional.
Figure 42 is the side view of the internal structure of the antenna assembly for representing conventional.
Figure 43 is the decomposition assembling figure of the structure of the antenna assembly for representing conventional.
Figure 44 is the side view of the structure of the antenna house that conventional antenna assembly is represented with profile.
Figure 45 is the upward view of the structure of the antenna house of the antenna assembly for representing conventional.
Figure 46 is the top view of the structure of the antenna house of the antenna assembly for representing conventional.
Figure 47 is the side view of the structure of the antenna house of the antenna assembly for representing conventional.
Figure 48 is the top view of the structure of the heelpiece of the antenna assembly for representing conventional.
Figure 49 is the side view of the structure of the heelpiece of the antenna assembly for representing conventional.
Description of reference numerals
1st, antenna assembly；2nd, antenna module；10th, antenna house；10a, housing department；10b, outer perimeter wall portion；10c, inner side week
Wall portion；11st, antenna base；12nd, oscillator support；12a, frame portion；12b, foot；12c, holding part；12d, holding part；12e, engaging
Pawl；12f, coil clasp piece；12g, derivation groove；12h, engaging protrusion；12i, terminal clasp piece；12j, through hole；12k, terminal
Clasp portion；13rd, umbrella shape oscillator；13a, top；13b, rake；13c, rake；13d, opening；13e, back part；13f, turn over
Folding part；13g, terminal；14th, coil；14a, coil main body；14b, wire；15th, power supply terminal；15a, planar portion；15b, bending
Portion；15c, leading-out portion；15d, terminal plate；16th, amplifier substrate；16a, base main body；16b, through hole；16c, connecting hole；17、
Annular seal ring；18th, gap shield；18a, groove portion；18b, cutting portion, 20, insulator foot；20a main parts；20b, flange part；
20c, surrounding wall portion；20d, engaging boss portion；20e, snap-latch piece；20f, central portion；20g, engaging protrusion；20h, endless groove；
20i, compressing tablet；20j, incorporating section；21st, conductive seat；21a, bolt portion；21b, main part；21d, connecting hole；21e, through hole；
21f, stop hole；21g, first boss；21h, second boss；21i, opening；21j, erected piece；100th, antenna assembly；110th, day
Irdome；110a, housing department；11Ob, boss；110c, screwed hole；110d, surrounding wall portion；110e, boss；120th, antenna base；
120a, main part；120b, antenna installation portion；120c, screwed hole；120d, threaded portion；120e, boss；120f, embedded hole；
120g, the first rectangular opening；120h, cable lead-out aperture；120i, the second rectangular opening；121st, bolt portion；122nd, cable；124th, heelpiece；
124a, main part；124b, surrounding wall portion；124c, perforate；124d, hole portion；13O, antenna substrate；131st, top；132nd, antenna；
133rd, connecting line；134th, amplifier substrate；135th, coil；136th, metalwork is connected；140th, screw；141st, screw；142nd, screw；
143rd, terminal；144th, link up with；144b, chimeric foot；144c, engaging foot；145th, clip；146th, screw；147th, nut；
Specific embodiment
Fig. 1 to Fig. 4 represents the structure of the antenna assembly 1 of embodiments of the invention.But, Fig. 1 is the day for representing the present invention
The stereogram of the structure of line apparatus 1, Fig. 2 is the side view of the structure of the antenna assembly 1 for representing the present invention, and Fig. 3 is to represent this
The top view of the structure of bright antenna assembly 1, Fig. 4 is the front view of the structure of the antenna assembly 1 for representing the present invention.
As shown in these figures, the antenna assembly 1 of embodiments of the invention is the antenna assembly for being installed on vehicle roof, and is had
There is the antenna house 10 that antenna base 11 has been fitted together in lower surface.Antenna house 10 is using the synthetic resin system with electric wave-transparent
Into being formed as fairshaped outer shape（Referred to as " shark fin-shaped "）, with more going to narrower and side to be formed as inside toward front end
The curved surface that side reduces.It has been fitted together in the antenna house 10 of antenna base 11 in lower surface, has been accommodated with antenna module described later.From antenna
The lower surface of base 11, is protrudedly formed the bolt portion 21a for antenna assembly 1 to be installed on car body.The quilt of antenna assembly 1
It is set to be about 151mm, small-sized, the low profile type antenna assembly of wide about 63mm, high about 66mm, can receive AM broadcast and FM is wide
Broadcast.
Fig. 5 and Fig. 6 represent the internal structure of the antenna assembly 1 of embodiments of the invention.But, Fig. 5 is with A-A sections
Figure represents the side view of the internal structure of the antenna assembly 1 of the present invention, and Fig. 6 is the antenna assembly for representing the present invention with half-sectional view
The stereogram of 1 internal structure.In addition, in figure 6, eliminate coil 14 to be indicated.
The antenna assembly 1 of embodiments of the invention is can to receive AM broadcast domains, 76MHz to 90MHz or 88MHz to 108MHz
FM broadcast domains antenna assembly.Antenna assembly 1 includes antenna house 10 made by resin and is embedded in the following table of the antenna house 10
The antenna base 11 in face, the antenna base 11 adopts the insulator foot 20 and the shape of conductive seat 21 made by metal being made of resin
Into.In antenna base 11, conductive seat 21 is formed as than the circle of insulator foot 20 little one and the shorter shape of length, and is configured at
On insulator foot 20 from front side to central authorities position after a while between side, the rear end of conductive seat 21 is with relative to insulator foot
20 modes that can somewhat move forwards, backwards are fixed.Erect in rear side from the central authorities of the upper surface of antenna base 11 and arrange simultaneously
The oscillator support 12 formed using the frame of the rectangle being formed from a resin is installed, and amplifier substrate 16 is mounted substantially horizontally
On conductive seat 21.
It has been protrudedly formed for antenna assembly 1 to be installed on into vehicle from the lower surface of the conductive seat 21 of antenna base 11
Bolt portion 21a.From the through hole and the cable lead-out aperture for being formed at rear side of bolt portion 21a, derive and received for exporting
The multi-cable of signal etc..Oscillator support 12 is formed using the frame portion of rectangle, and on the top of frame portion support umbrella shape oscillator is formed with
13 clamping part.In addition, erectting the inner side of the frame for arranging in the front side of oscillator support 12, maintain and be connected in series in umbrella shape oscillator
13 and for making umbrella shape oscillator 13 and FM frequencies produce the coil 14 of the 1 μ H degree of μ H to 3 of resonance.Lead from the upper end of the coil 14
The guide line for going out is connected with the terminal of umbrella shape oscillator 13, connects from guide line derived from the lower end of the coil 14 and power supply terminal 15
Connect.Power supply terminal 15 is bent over as shown in figure, and top is fixed in the frame for erectting the front side for being arranged on oscillator support 12
The face opposite with coil 14, the terminal of lower end is connected with the input terminal of amplifier substrate 16.Thus, be formed as：By with line
The umbrella shape oscillator 13 that circle 14 is connected in series, by being assembled in AM/FM of the amplifier of amplifier substrate 16 to receiving letter is received
Number carry out amplification.Additionally, the antenna formed using umbrella shape oscillator 13 and coil 14, is carried out in AM broadcast domains as nonresonant antenna
Work.
As shown in Figure 5, Figure 6, in the bottom of antenna house 10, it is formed with the bilayer including outer perimeter wall portion and inner side surrounding wall portion
Structure, the lower surface of inner side surrounding wall portion abuts with the upper surface of the periphery of insulator foot 20.Under the inner side surrounding wall portion of the abutting
End face and the upper surface of insulator foot 20 are by laser welding or to smear bonding agent bonding.Thus, lower surface is made by bottom of insulating
The antenna houses 10 of the closing of seat 20 are internally formed as waterproof construction.It is wound with the week side of boss roll of the insulator foot 20 and adopts rubber system
Into or elastomer made by be formed as the gap shield 18 of rope form.In addition, the central portion in insulator foot 20 is formed with central authorities and opens
Oral area, the central portion is inserted for the bolt portion 21a for being formed at conductive seat 21, will be formed as on the inside of central portion anti-
The annular seal 17 of water-bound is embedded in the ring formed in the way of the lower surface of insulator foot 20 is to surround central portion
Shape portion.
Fig. 7 represents the state of the flush antenna cover 10 of antenna module 2 of the antenna assembly 1 of the present invention.If from the shape shown in Fig. 7
The inner side surrounding wall portion of antenna house 10 is embedded in state the insulator foot 20 of antenna base 11, then become the state shown in Fig. 5, Fig. 6.
Additionally, antenna module 2 includes：The oscillator being assembled on the antenna base 11 formed using insulator foot 20 and conductive seat 21
Frame 12, umbrella shape oscillator 13, coil 14, power supply terminal 15 and amplifier substrate 16.
Next, Fig. 8 to Figure 11 represents the structure of the antenna module 2 of the antenna assembly 1 of the present invention, however, Fig. 8 is to represent
The stereogram of the structure of the antenna module 2 of the antenna assembly 1 of the present invention, Fig. 9 is the antenna sets of the antenna assembly 1 for representing the present invention
The top view of the structure of part 2, Figure 10 be represent the present invention antenna assembly 1 antenna module 2 structure side view, Tu11Shi
Represent the front view of the structure of the antenna module 2 of the antenna assembly 1 of the present invention.
Antenna module 2 includes the antenna base 11 formed using insulator foot 20 and conductive seat 21, in antenna base 11
On, it is assembled with oscillator support 12, umbrella shape oscillator 13, coil 14, power supply terminal 15 and amplifier substrate 16.First, to adopting
The structure of the antenna base 11 that insulator foot 20 and conductive seat 21 are formed is illustrated.First, in explanation insulator foot 20
During structure, Figure 16 represents the top view of the structure of insulator foot 20, and Figure 17 represents the side view of the structure of insulator foot 20, Figure 18
Represent the upward view of the structure of insulator foot 20.
Insulator foot 20 shown in these figures is products formed made by synthetic resin, and in the way of including main part 20a
Formed, main part 20a width goes to become narrow gradually towards front side and front-end and back-end are formed as the shape of arc, than main part
The outer peripheral edge of 20a somewhat in the inner part, projects from upper surface and circumferentially edge is formed with surrounding wall portion 20c of specified altitude.In addition,
The upper surface of main part 20a, the substantial middle in front side is formed with engaging boss portion 20d.Engaging boss portion 20d is substantially in circle
Tubular, is formed with the vertical 3 openings, is formed with the outside of front end and protrudes the holding section of wedge-like, and diametrically has
It is flexible.The central portion 20f of substantially elliptical is formed with the central portion of main part 20a, after central portion 20f
Side is formed with the snap-latch piece 20e of paired tabular.In the lateral surface of the front end of paired snap-latch piece 20e, the card of wedge-like is formed with
Conjunction portion.In addition, the posterior medial of surrounding wall portion 20c of main part 20a is formed with the storage that cross sectional shape is Japan word "U" shape
Portion 20j, in the rear end of main part 20a paired little engaging protrusion 20g is formed with outward.In addition, in main part 20a
Lower surface, to be formed with endless groove 20h in the way of the central portion 20f.Endless groove 20h is embedding for annular seal ring 17
The groove for entering, in order to avoid the annular seal ring 17 being embedded in departs from, has been protrudedly formed multiple from the inside side in the upper end of endless groove 20h
Compressing tablet 20i.
Next, Figure 19 represents the top view of the structure of conductive seat 21, Figure 20 represents the side of the structure of conductive seat 21
View, Figure 21 represents the upward view of the structure of conductive seat 21.
Conductive seat 21 shown in these figures is made using metal, and the inner circumferential shape be formed as than surrounding wall portion 20c is slightly smaller
Same shape, to be incorporated in the inner side of surrounding wall portion 20c of insulator foot 20.But, conductive seat 21 forms shorter,
To be placed in rear end to be formed at the rear side of the snap-latch piece 20e of insulator foot 20.In the upper surface of conductive seat 21, in front end shape
Into the connecting hole 21d for having circle, behind the both sides of side and substantial middle are formed with 3 second boss 21h, and this 3 second convex
Platform 21h is formed with screwed hole.Second boss 21h is respectively formed in the summit of isosceles triangle, becomes for being inserted through amplifier base
The boss that the screw thread of plate 16 is fixed.
Here, Figure 36 is the stereogram of the structure for representing amplifier substrate 16.As shown in the drawing, amplifier substrate 16 is adopted
Base main body 16a that width becomes narrow gradually anteriorly is gone to be formed from rear portion, anterior substantially central portion and the both sides at rear portion is distinguished
It is formed with through hole 16b.Through hole 16b is respectively formed in into the summit of isosceles triangle, and runs through the spiral shell of through hole 16b
Silk is screwed on 3 second boss 21h, thus amplifier substrate 16 is fixed on into conductive seat 21.In addition, base main body
The rear portion of 16a is formed with connecting hole 16c, and connecting hole 16c is electric with the input terminal of the amplifier for being assembled in amplifier substrate 16
The connection of gas ground.
Referring again to Figure 19 to Figure 21, at the two ends of the central side after a while of the upper surface of conductive seat 21, it is formed with pairs
First boss 21g.And, in the substantial middle of the rear end of upper surface, the stop hole 21f of rectangle is formed with, in stop hole 21f
Both sides, with the erected piece 21j that major axis is formed with substantially in parallel paired tabular.In addition, in the lower surface of main part 21b
The side after a while in central authorities, has been protrudedly formed bolt portion 21a.In bolt portion, 21a is formed with through hole 21e, in the side of bolt portion 21a
Face is formed with opening 21i.The through hole 21e of bolt portion 21a can be inserted through from top from cable derived from amplifier substrate 16,
And the opening 21i by the cable from below through hole 21e is derived.
Next, Figure 22 to Figure 26 is the knot for representing the antenna base 11 being made up of insulator foot 20 and conductive seat 21
Structure.But, Figure 22 is the stereogram of the structure of the assembling for representing antenna base 11, and Figure 23 is to represent the antenna base 11 after assembling
Structure stereogram, Figure 24 be represent assembling after antenna base 11 structure upward view, Figure 25 represent assembling after
The front view of the structure of antenna base 11, Figure 26 is the main view of the structure that the antenna base 11 after assembling is represented with D-D profiles
Figure.
As shown in figure 22, conductive seat 21 is configured with insulator foot 20, then again conductive seat 21 is placed in absolutely
On edge base 20.And, engaging boss portion 20d of insulator foot 20 is fitted together to into the connecting hole 21d of insertion conductive seat 21, and will
The paired snap-latch piece 20e of insulator foot 20 is inserted into the stop hole 21f of conductive seat 21.Thus, in engaging boss portion 20d
The holding section of front end is sticked in around the upper end of stop hole 21d, while being formed at the holding section engaging of the front end of snap-latch piece 20e
In the upper surface of the erected piece 21j of conductive seat 21, and consolidated in the way of avoiding the self-insulating base 20 of conductive seat 21 from departing from
It is fixed.The first holding section that engaging boss portion 20d is sticked in connecting hole 21d is set to be, for the holding section of positioning, to make snap-latch piece 21e
The second holding section for being sticked in erected piece 20j is holding section slidable along long axis direction.Therefore, even if both relative lengths
Change because conductive seat 21 is different with the coefficient of thermal expansion of insulator foot 20, also the length can be absorbed by the second holding section
Difference.Figure 23 to Figure 26 is the structure for representing the antenna base 11 that conductive seat 21 is fixed on insulator foot 20.
Herein, Figure 12 to Figure 15 represents the structure of the antenna house 10 of the antenna assembly 1 of the present invention.But, Figure 12 is to represent
The side view of the structure of the antenna house 10 of the antenna assembly 1 of the present invention, Figure 13 is the antenna house of the antenna assembly 1 for representing the present invention
The upward view of 10 structure, Figure 14 is the side-looking of the structure of the antenna house 10 of the antenna assembly 1 that the present invention is represented with B-B profiles
Figure, Figure 15 is the front view of the structure of the antenna house 10 of the antenna assembly 1 that the present invention is represented with C-C profiles.
As shown in these figures, antenna house 10 is made using the synthetic resin with electric wave-transparent, and is formed as shark fins
Shape, more go to narrower and side to be formed as the curved surface reduced to inner side toward front end, and formed using the thin housing department 10a of wall thickness.
The thin double-deck surrounding wall portion of wall thickness is formed with the bottom of antenna house 10.Outer perimeter wall portion 10b is formed with outside, is formed in inner side
There is inner side surrounding wall portion 10c.When antenna house 10 has been inserted into antenna module 2, inner side surrounding wall portion 10c is embedded in surrounding wall portion 20c
Periphery, the periphery of surrounding wall portion 20c is formed at the upper surface of insulator foot 20 made by the synthetic resin of antenna base 11, and interior
The lower surface of side surrounding wall portion 10c abuts with the upper surface of insulator foot 20.The position of the abutting by laser irradiate welding or
Person smears bonding agent bonding.Thus, antenna module 2 is incorporated in the waterproof construction formed by antenna house 10 and insulator foot 20
Inside.
As noted previously, as the lower surface of antenna house 10 is fixed on insulator foot 20 in the way of welding or bonding,
So need not be provided for forming the boss of screwed hole in antenna house 10, the screwed hole is used to enter antenna base 11 by screw
Row is fixed.Thereby, it is possible to make antenna house 10 be shaped generally as the thin housing department 10a of uniform wall thickness, therefore, it is possible to make during shaping
Contraction distortion be not likely to produce and prevent to make the shrink mark of outward appearance facial disfigurement.
Next, Figure 27 to Figure 31 represents the structure of the oscillator support 12 of the antenna assembly 1 of the present invention.But, Tu27Shi
The stereogram of the structure of the oscillator support 12 of the antenna assembly 1 of the present invention is represented, Figure 28 is the antenna assembly 1 for representing the present invention
The side view of the structure of oscillator support 12, Figure 29 is the vertical view of the structure of the oscillator support 12 of the antenna assembly 1 for representing the present invention
Figure, Figure 30 is the front view of the structure of the oscillator support 12 of the antenna assembly 1 for representing the present invention, and Figure 31 is with E-E section charts
Show the front view of the structure of the oscillator support 12 of the antenna assembly 1 of the present invention.
Oscillator support 12 shown in these figures is formed by rectangular-shaped frame portion 12a, on the top of frame portion 12a, with opposite
Mode be formed with the first holding part 12c and the second holding part 12d for supporting umbrella shape oscillator 13.In addition, the section shape of frame portion 12a
Shape is again formed as rectangle.In the lower end of the front side of oscillator support 12, the foot 12b for extending transversely is formed with, foot 12b's
Two ends are respectively formed with through hole 12j.Run through through hole 12j screw thread be fixed on be formed at conductive seat 21 into
To first boss 21g.In addition, the lower end of the rear side in oscillator support 12, is protrudedly formed engagement pawl 12e of " L " shape.
Engagement pawl 12e is incorporated in and is formed in incorporating section 20j of the section of insulator foot 20 in Japan word "U" shape and with not
The mode that incorporating section 20j can be departed from is engaged.
First holding part 12c and the second holding part 12d are generally formed into Japan word "U" shape, the first holding part 12c ratio
Second holding part 12d forms high.In the substantial middle in the face opposite with the first holding part 12c of the second holding part 12d, formed
There is engaging protrusion 12h of wedge-like.Gap between the first holding part 12c and the second holding part 12d, is embedded with umbrella shape oscillator
The folding portion that 13 inner side is formed along long axis direction.After folding portion is already embedded in, engaging protrusion 12h is sticked in be formed in and turns over
The engaging window of folding part.Umbrella shape oscillator 13 is supported thereby, it is possible to pass through oscillator support 12, to make the umbrella shape oscillator 13 will not be from first
Holding part 12c and the second holding part 12d depart from.In addition, being arranged at " L " word of terminal by arc of the lower end of umbrella shape oscillator 13
The terminal of shape clasps portion 12k to clasp.The terminal clasp portion 12k be formed at oscillator support 12 front side frame portion 12a outside
Face.And, in the inner side of frame portion 12a of the front side of oscillator support 12,4 are formed with altogether up and down for clasping coil
14 coil clasps piece 12f.In addition, in the face in the outside of frame portion 12a of the front side of oscillator support 12, being formed with and clasping power supply eventually
The terminal at end 15 clasps piece 12i.
Next, Figure 32 is the upward view of the structure for representing umbrella shape oscillator 13, Figure 33 is represented umbrella shape oscillator 13 and line
Circle 14 is assembled to the stereogram of the state of oscillator support 12, and Figure 34 is represented and umbrella shape oscillator 13 is assembled into after oscillator support 12
The side view of state, Figure 35 is to represent the main view that umbrella shape oscillator 13 is assembled into the state after oscillator support 12 with F-F profiles
Figure.
As shown in these figures, umbrella shape oscillator 13 has the top 13a that is formed flatly, and be formed with from top 13a to
The rake of the inclined ridge in both sides.In the substantial middle of rake, opening 13d is only formed with one, before opening 13d
Side is formed as the first rake 13b, and the second rake 13c is formed as on rear side of the 13d of opening portion.In addition, being also formed with second
Paired back part 13e after the lateral margin bending of the rear end of rake 13c.It is formed with the top 13a of the first rake 13b
Inclination angle it is bigger than the inclination angle for being formed with the top 13a of the second rake 13c.Umbrella shape oscillator 13 will be by being cut into regulation shape
The metal sheet bending of shape and formed, and be formed with folding portion 13f extended from the mediad of top 13a lower section.From the turnover
Portion 13f along being transversely formed terminal 13g, and folding portion 13f in the inner side of the second rake 13c be formed with can be with oscillator
The engaging window of the engaging protrusion 12h engaging of support 12.
In addition, in the antenna assembly 1 of the present invention, in antenna house 10 boss is not provided with, therefore umbrella shape oscillator need not be prevented
13 with the interference of boss, it is also possible to the shape of umbrella shape oscillator 13 is formed into ground simple.
Figure 37（a）It is the stereogram of the structure for representing coil 14, Figure 37（b）It is the top view of the structure for representing coil.Such as
Shown in these figures, coil 14 include be wound into columnar coil main body 14a, from the upper end of coil main body 14a along wiring side
To derived wire 14b, from wire 14b derived from the lower end of coil main body 14a along wiring direction.Therefore, 2 wire 14b
Interval be formed as the interval roughly equal with the diameter of coil main body 14a.Coil 14 is formed as being connected in series in umbrella shape and shakes
Son 13 and the coil for making umbrella shape oscillator 13 and the 1 μ H degree of μ H to 3 of FM frequencies generation resonance.
In addition, Figure 38 is the stereogram of the structure for representing power supply terminal 15.As shown in the drawing, in the end of power supply terminal 15
The planar portion 15a of rectangle is formed with, in its another ora terminalis bending part 15b is formed with.Planar portion 15a is determined by bending part 15b
The position and terminal clasped in oscillator support 12 clasps piece 12i, in the case where being clasped, be formed at the hole of planar portion 15a with
Derive groove 12g consistent.The leading-out portion 15c of bending is formed extended at both sides from another ora terminalis of planar portion 15a, leading-out portion 15c's
Front end is formed with terminal plate 15d.Terminal plate 15d is inserted and is welded in the connecting hole 16c of amplifier substrate 16, so as to be connected
It is connected to the input terminal of amplifier.
As shown in figure 33, move down the umbrella shape oscillator 13 being configured on oscillator support 12, its folding portion 13f is embedded in
Gap between the first clamping part 12c and the second clamping part 12d.If folding portion 13f is pressed into into gap, as shown in figure 35, then shape
Engaging protrusion 12h into the wedge-like in the inner side of the second clamping part 12d engages with the engaging window for being formed at folding portion 13f, and incite somebody to action
Umbrella shape oscillator 13 is fixed on oscillator support 12.Now, the terminal 13g for being formed at folding portion 13f is clasped in oscillator support 12
Terminal is clasped in portion 12k.Next, the chimeric insertion of coil 14 shown in Figure 33 is clasped into what piece 12f was surrounded by 4 coils
Keep space.Thus, clasp piece 12f by 4 coils to clasp coil 14.From the wire 14b of the upper end of coil 14
Self-forming is exported in the derivation groove 12g that terminal clasps portion 12k, and is inserted through and is clasped the umbrella shape of clasping portion 12k in terminal and shake
The hole of the terminal 13g of son 13, and terminal 13g is connected to by welding.In addition, from the wire 14b of the lower end of coil 14
Self-forming is clasped the derivation groove 12g between piece 12i and is exported in terminal, and is inserted through and is clasped power supply in terminal retention portion 12i
The hole of terminal 15, and power supply terminal 15 is connected to by welding.Thus, coil 14 is configured at the width of oscillator support 12
The approximate centre in direction.That is, because coil 14 is configured at the approximate centre of the width of umbrella shape oscillator 13, therefore energy
It is enough to avoid the interference of umbrella shape oscillator 13 and coil 14 to greatest extent, and the equal situation for receiving signal performance can maintained
The lower narrowed width by umbrella shape oscillator 13.Thereby, it is possible to the narrowed width on the top of antenna house 10 is improved into appearance property.
Next, Figure 39 is umbrella shape oscillator 13, the oscillator support 12, annular seal ring of the antenna assembly 1 for representing the present invention
17th, the stereogram of the assembling of gap shield 18.
As shown in the drawing, conductive seat 21 is configured on insulator foot 20, is then again placed in conductive seat 21 absolutely
On edge base 20.And, engaging boss portion 20d of insulator foot 20 is fitted together to the connecting hole 21d for being inserted in conductive seat 21, together
When the paired snap-latch piece 20e of insulator foot 20 is inserted into the stop hole 21f of conductive seat 21.Thus, it is embedded in connecting hole
The holding section of the front end of engaging boss portion 20d around the upper end of 21d is locked, and is formed at the card of the front end of snap-latch piece 20e
Stop is engaged in the upper surface of the erected piece 21j of conductive seat 21, and so that conductive seat 21 will not self-insulating base 20 take off
From mode fixed.Now, the bolt portion 21a being protrudedly formed from the lower surface of conductive seat 21, insertion insulator foot 20
Central portion 20f and self-insulating base 20 lower surface project.
Next, in the lower surface of insulator foot 20, by the chimeric week for being inserted in central portion 20f of annular seal ring 17
Enclose in the 20h of endless groove as of fig. 24 to be formed.Abut in the flat upper surface of annular seal ring 17 and be formed at ring-type
The compressing tablet 20i of the outer peripheral edge of groove 20h, annular seal ring 17 is maintained in endless groove 20h.In addition, gap shield 18 is formed as rope
Shape and both ends are formed as cutting portion 18b.Hole portion is formed with the side slightly within of cutting portion 18b, is inserted with to be formed in the hole portion
In engaging protrusion 20g of the rear end of insulator foot 20, the flange part 20b in all sides that will be formed in insulator foot 20 is embedding
While conjunction is inserted in groove portion 18a of gap shield 18, gap shield 18 is set to be wound in all sides of insulator foot 20.And, shape
Into the hole portion of the side slightly within of cutting portion 18b for terminating end in winding, insert for engaging protrusion 20g of the opposing party.Thereby, it is possible to incite somebody to action
Gap shield 18 is arranged on all sides of insulator foot 20.
In conventional antenna assembly, as the rigid structure formed by antenna house and antenna base, by with big
Axial force clamps heelpiece and forms waterproof construction.The present invention antenna assembly 1 in, by then pass through by antenna house 10 and insulation
The welding of base 20 or bonding constituting waterproof construction, so, without the need for conductive seat 21 is formed as into strength member, will can lead
Electric base 21 is minimized, as long as the size of conductive seat 21 is minimized to the size that can press annular seal ring 17.
Additionally, conductive seat 21 is also as the ground wire function of amplifier substrate 16.
Antenna module 2 is illustrated again, the structure for constituting each several part of antenna module 2 is as described above.For Fig. 8 is to figure
Antenna module 2 shown in 11, in the periphery of antenna base 11 gap shield 18 is provided with, and the antenna base 11 is assembled using upper surface
The insulator foot 20 of conductive seat 21 is formed.Erect on antenna base 11 and be configured to be fixed with oscillator support 12, and substantially
Flatly it is fixed with amplifier substrate 16.Umbrella shape oscillator 13 is installed on the top of oscillator support 12, and coil 14 is held in
The inner side of frame portion 12a of oscillator support 12.The wire of the upside of coil 14 is connected to the terminal 13g of umbrella shape oscillator 13, coil
The wire of 14 downside is connected to one end of power supply terminal 15.The other end of power supply terminal 15 is connected to amplifier substrate 16
Amplifier input terminal, the reception signal of the antenna formed by umbrella shape oscillator 13 and coil 14 passes through amplifier substrate
16 amplifier is by amplification.
In antenna module 2, the first rake 13b of umbrella shape oscillator 13 is located at the top of conductive seat 21, and first inclines
The height apart from ground plane of portion 13b equivalent to its apart from conductive seat 21 height.In addition, the second inclination of umbrella shape oscillator 13
Portion 13c is located substantially at the top of insulator foot 20, the height apart from ground plane of the second rake 13c be substantially equivalent to its away from
From the height of the car body for installing antenna assembly 1.Therefore, even if reducing the height of antenna assembly 1, it is also possible to make the second rake
The actual height apart from ground plane of 13c becomes big, can improve the working gain of antenna assembly 1 by increasing height.
Figure 40 represents that the frequency characteristic of the average gain of the antenna assembly 1 of the present invention is average with conventional antenna assembly
The frequency characteristic of gain is contrasted.In addition, it is 45 ° of average gain that average gain is the elevation angle.
The antenna assembly 1 of the present invention is formed as height about 66mm, width about 63mm, the size of length about 151mm, conventional
The size that antenna assembly is formed as height about 66mm, width about 63mm, is about 153mm, two kinds of antenna assembly sizes are roughly the same.Ginseng
According to Figure 40, in the antenna assembly 1 of the present invention, in frequency the situation of 84MHz is about, the maximum gain being obtained in that about-
28dBd, in the situation of 76MHz to 90MHz frequency bands, is obtained in that the average gain of about more than -34dBd.In contrast, conventional
Antenna assembly in, be about the situation of 84MHz in frequency, the maximum gain being obtained in that be about -28.5dBd, in 76MHz extremely
The situation of 90MHz frequency bands, is obtained in that the average gain of about more than -35dBd.So understand, in whole 76MHz to 90MHz frequencies
Band, the gain of the antenna assembly 1 of the present invention is improved.
Industrial utilizability
In the antenna assembly 1 of the present invention discussed above, it is also possible to paired lengthening will be extended with from two sides
The interim fixed interim stay hook of engaging foot is embedded in the through hole of the bolt portion 21a of conductive seat 21.By antenna
When device 1 is installed on vehicle, the engaging foot is sticked in the edge of the installing hole for being formed in vehicle, realizes antenna assembly 1 is interim
It is fixed on the effect of car body.In addition, in the case where hook is embedded in into through hole, it is impossible to derive on cable via through hole,
But can self-forming the rear side of through hole wire outlet will be connected to amplifier cable derive.
Claims (8)
1. a kind of antenna assembly, it is characterised in that include：
The antenna house of insulating properties, its lower surface opening and is internally formed with accommodation space；
Antenna base, it supplies the antenna house to be embedded in；
Umbrella shape oscillator, it is configured on the antenna base；
Amplifier substrate, it is provided with the amplifier of the reception signal amplification for making the umbrella shape oscillator, is configured at the antenna base
On；
The oscillator support of insulating properties, it is stood up on the antenna base, and the umbrella shape oscillator is with the oscillator support
The mode for being configured in the approximate centre of the width of the umbrella shape oscillator is configured in the top of the oscillator support, and
Coil, it is inserted between the output end of the umbrella shape oscillator and the input of the amplifier, so that the umbrella shape is shaken
Son produces resonance in the frequency of regulation, and the coil is fixed in the oscillator support, and is arranged on the width of the oscillator support
The approximate centre in direction, so that the coil configuration is in the approximate centre of the width of the umbrella shape oscillator.
2. antenna assembly according to claim 1, it is characterised in that
The antenna base includes the insulator foot being embedded in for the antenna house, and it is less than the insulator foot and be fixed on it is described absolutely
The conductive seat of edge base.
3. antenna assembly according to claim 2, it is characterised in that
The amplifier substrate is installed in the conductive seat by screw.
4. antenna assembly according to claim 1, it is characterised in that
The oscillator support includes the frame portion of frame-shaped, and the coil is fixed in the frame portion.
5. antenna assembly according to claim 1, it is characterised in that
The umbrella shape oscillator and the coil are operated as the resoant antenna resonated in FM broadcast domains, in AM broadcast domain conducts
Nonresonant antenna is operated.
6. antenna assembly according to claim 2, it is characterised in that
In the case where the antenna house is embedded in the insulator foot, the lower surface of the antenna house by by welding or
The mode of bonding is fixed on the insulator foot to form waterproof construction.
7. antenna assembly according to claim 2, it is characterised in that the card almost parallel with the major axis of the antenna base
Close piece and be formed at the insulator foot, the erected piece engaged with the snap-latch piece is with almost parallel with the major axis of the antenna base
Mode be formed at the conductive seat, engage with the erected piece in the snap-latch piece and the conductive seat be fixed in institute
In the state of stating insulator foot, the conductive seat can relative to the insulator foot along the antenna base long axis direction
It is flexible.
8. antenna assembly according to claim 2, it is characterised in that in the antenna base, from the conductive seat
The bolt portion that lower surface is protrudedly formed projects via the insulator foot from lower surface, and is being formed at the insulator foot
In the groove portion of lower surface, to surround the bolt portion in the way of be embedded with annular seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310713945.3A CN103730726B (en) | 2012-01-30 | 2012-01-30 | Antenna device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201280025058.0A CN103548199A (en) | 2011-03-24 | 2012-01-30 | Antenna device |
| CN201310713945.3A CN103730726B (en) | 2012-01-30 | 2012-01-30 | Antenna device |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280025058.0A Division CN103548199A (en) | 2011-03-24 | 2012-01-30 | Antenna device |
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| Publication Number | Publication Date |
|---|---|
| CN103730726A CN103730726A (en) | 2014-04-16 |
| CN103730726B true CN103730726B (en) | 2017-04-12 |
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| DE102017220732A1 (en) * | 2017-11-21 | 2019-05-23 | Ford Global Technologies, Llc | Motor vehicle with a glass roof and with a mounted on this glass roof antenna arrangement |
| CN210723354U (en) * | 2019-04-30 | 2020-06-09 | 深圳市大富科技股份有限公司 | Active antenna unit for base station and antenna unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101390256A (en) * | 2006-11-22 | 2009-03-18 | 日本安特尼株式会社 | Antenna device |
| DE102008043632A1 (en) * | 2008-11-11 | 2010-05-12 | Robert Bosch Gmbh | Antenna device and motor vehicle with an antenna device |
| CN101939876A (en) * | 2008-07-11 | 2011-01-05 | 日本安特尼株式会社 | Antenna assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101390256A (en) * | 2006-11-22 | 2009-03-18 | 日本安特尼株式会社 | Antenna device |
| CN101939876A (en) * | 2008-07-11 | 2011-01-05 | 日本安特尼株式会社 | Antenna assembly |
| DE102008043632A1 (en) * | 2008-11-11 | 2010-05-12 | Robert Bosch Gmbh | Antenna device and motor vehicle with an antenna device |
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| CN103730726A (en) | 2014-04-16 |
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