CN102956987B - A kind of signal strengthens structure and Mobile multi-media broadcasting device - Google Patents
A kind of signal strengthens structure and Mobile multi-media broadcasting device Download PDFInfo
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- CN102956987B CN102956987B CN201110254217.1A CN201110254217A CN102956987B CN 102956987 B CN102956987 B CN 102956987B CN 201110254217 A CN201110254217 A CN 201110254217A CN 102956987 B CN102956987 B CN 102956987B
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Abstract
The invention provides a kind of Mobile multi-media broadcasting device, install on a vehicle, described Mobile multi-media broadcasting device comprises: Signal reception and processing module, comprising: antenna, motherboard and power line; Display module, receives described video and audio signal that described Signal reception and processing module export and broadcasts; Stuck-module, comprises fixed head, extends sidewall bottom described fixed head, and the lateral surface of described sidewall is cambered surface bending in described fixed head, and described sidewall fixes the metal forming identical with described sidewall arc shape; Described antenna is positioned at the outside of sidewall described in described fixed head, relative with described sidewall cambered surface, and described antenna is positioned on the line of described cambered surface convergence; Described Signal reception and processing module are fixed on the described vehicles by described stuck-module.This signal of application provided by the invention strengthens the Mobile multi-media broadcasting device of structure, can improve received antenna signal ability in this device, achieve good audio visual effect.
Description
Technical field
The invention belongs to electromagnetic wave field, relate to the structure that a kind of electromagnetic wave signal strengthens, also relate to a kind of Mobile multi-media broadcasting device of this structure of application.
Background technology
Along with the development of society, electromagnetic application is more and more extensive, in order to receive electromagnetic wave, usual meeting is equipped with antenna on device, some device adopts the form of external antenna, can receive substantially satisfactory signal, and some device can adopt the form of built-in aerial, often cause the bad of signal, desirable Signal reception effect can not be reached by the Curve guide impeller of antenna; External antenna is needed equally to the reception of better signal.And the many signal strength signal intensities strengthening transmitter of the method improving now antenna receiving signal deficiency, or set up more base station, a lot of equipment investments can be caused like this, and can to naturally causing more and more serious Contamination of Electromagnetic Wave.
It is more outstanding that the problems referred to above show on mobile wireless device, and the equipment of some movement is unsuitable for use external antenna, and built-in aerial can not meet the demand of people, except the density of increasing base station construction and the signal emissive porwer of raising transmitter, go back the scheme that neither one well addresses this problem at present.
Summary of the invention
In order to solve problems of the prior art, the invention provides and a kind ofly strengthen the Mobile multi-media broadcasting device of structure with signal, achieving good view reception effect, to achieve these goals, the present invention by the following technical solutions:
A kind of Mobile multi-media broadcasting device, install on a vehicle, described Mobile multi-media broadcasting device comprises: Signal reception and processing module, comprise: antenna, motherboard and power line, described Signal reception and processing module are by described antenna receiving signal, the signal that described antenna receives is converted to video and audio signal and exports, described power line connects vehicle power; Display module, receives described video and audio signal that described Signal reception and processing module export and broadcasts; Stuck-module, comprises fixed head, extends sidewall bottom described fixed head, and the lateral surface of described sidewall is cambered surface bending in described fixed head, described sidewall is fixed with the metal forming identical with described sidewall arc shape; Described antenna is positioned at the outside of sidewall described in described fixed head, relative with described sidewall cambered surface, and described antenna is positioned on the line of described cambered surface convergence; Described Signal reception and processing module are fixed on the described vehicles by described stuck-module; Described antenna is arranged on the side closing on vehicle windows.
Further, described motherboard bottom is also provided with radome.
Further, described Signal reception and processing module also comprise face frame, casing, and described motherboard is packed between described casing and described frame with being fixedly connected with of described frame through described casing, and described antenna is positioned at the outside of described casing.
Further, described Signal reception and processing module also comprise platen bracket, and described motherboard is packed between described casing and described platen bracket through described casing with being fixedly connected with of described platen bracket; Described display module is positioned at the top of described platen bracket, and described display module exposes from described frame, and described display module is packed between described frame and described platen bracket with being fixedly connected with of described platen bracket through described frame.
Further, described mobile multimedia device also comprises: headrest, described headrest has rear portion, bottom and cavity, described Signal reception and processing module, described display module and described stuck-module are positioned at the described cavity of described headrest, and described display module exposes from the described rear portion of described headrest.
The invention provides the Mobile multi-media broadcasting device that this signal of a kind of application strengthens structure, the received antenna signal ability of Mobile multi-media broadcasting device can be improved, achieve good audio visual effect.
Accompanying drawing explanation
Fig. 1 is the schematic diagram that a kind of signal strengthens structure;
Fig. 2 is a kind of structural blast schematic diagram strengthening the Mobile multi-media broadcasting device of structure with signal;
Fig. 2 .1 is the enlarged drawing of border circular areas shown in Fig. 2;
Fig. 3 is the structural representation of casing and fixed head in Fig. 2;
Fig. 4 is the structural representation after casing shown in Fig. 3 and fixed head are installed;
Fig. 5 is the overall structure schematic diagram of Mobile multi-media broadcasting device shown in Fig. 2;
Figure 6 shows that a kind of structural representation of composite electromagnetic material antenna.
Embodiment
Below in conjunction with the drawings and the specific embodiments, the invention will be further described.
Figure 1 shows that a kind of signal strengthens the structural representation of structure and place device thereof, the inner surface of the housing 21 of this device is provided with a groove 211, this groove has curved surface bending in housing 21, this curved surface is the face of cylinder, this groove 211 secures a metal forming 212, the shape of this metal forming 212 is identical with groove 211, deviate from metal forming 212 curved surface towards direction on antenna 12 is set, the electromagnetic signal of metal forming 212 is injected by antenna 12 direction, under the effect of metal forming 212 curved surface, converge towards antenna 12, add the signal strength signal intensity that antenna 12 receives.
Fig. 1 merely illustrates the situation that metal forming is located at device case inner surface, metal forming can also be located at the outer surface of device case, what this timer adopted is the external form of antenna, metal forming can also directly be printed on pcb board, as long as the pcb board region printing metal forming exists the curved surface that antenna is bending dorsad.Having multiple choices about curved surface, can be cambered surface, the face of cylinder and parabola etc., can arrange according to concrete device and demand thereof.
Figure 2 shows that the structural blast schematic diagram of Mobile multi-media broadcasting device of the present invention, this device comprises Signal reception and processing module 1, stuck-module 2, rest the head on 3 and display module 4, Mobile multi-media broadcasting device is arranged on the seat of upper end with the reserved slot at two intervals by stuck-module 2, and headrest 3 is coated and fixed module 2, Signal reception and processing module 1 and display module 4.
Signal reception and processing module 1 comprise motherboard 11, antenna 12, power line 13, face frame 14, platen bracket 15, casing 16 and eyeglass 17.Motherboard 11 is positioned at casing 16, and casing 16 is fixedly connected with the platen bracket 15 on motherboard 11 top, makes motherboard 11 be fixed in casing 16; Be provided with protuberance 162 bottom casing 16, this protuberance 162 3 hollow outs, and be upturned, the top of protuberance 162 is butted on the bottom surface of motherboard 11, with motherboard 11 Elastic Contact, plays the effect of damping; Motherboard 11 can install CMMB module 111, the signal that Signal reception and processing module 1 are exported by CMMB module 111 reception antenna 12, and signal is converted to Audio and Video, by the broadcast of display module 4.Installed radome 112 in the bottom of motherboard 11, the signal preventing motherboard 11 from sending causes interference to the reception of multimedia broadcast signal and video, audio frequency.Power line 13 connects vehicle power, for the work of Signal reception and processing module 1 and display module 4 provides electric energy, in the Mobile multi-media broadcasting device shown in Fig. 1, only have power line 13 need be connected to outside Mobile multi-media broadcasting device, improve the reliability of this device work.
Display module 4 comprises display screen 41 and loudspeaker 42, and display screen 41 is positioned at the top of platen bracket 15, and meanwhile, display screen 41 exposes from face frame 14, and platen bracket 15 is fixedly connected with by screw with face frame 14, and display screen 41 is fixedly mounted between platen bracket 15 and face frame 14.
Face frame 14, platen bracket 15 and casing 16 material can be all engineering plastics, adopt the mode of injection moulding by Making mold, face frame 14 and casing 16 can select screw connecting mode with the mode that is fixedly mounted with of platen bracket 15, also can set out snap fit and the draw-in groove of snapping in advance when Mould Machining; CMMB module 111 installed by motherboard 11, also can install the module of other receiving broadcast signals.
Enlarged drawing shown in identifying in a with reference to the Fig. 2 shown in Fig. 2 .1, face frame 14 surface exposes human inductor 142, the outward appearance of the entirety of Mobile multi-media broadcasting device can be had influence on, on face frame 14 top, eyeglass 17 can be installed, eyeglass 17 is provided with through hole 171, and this human inductor 142 is in the through hole 171 on eyeglass 17, but does not protrude from eyeglass 17, when not affecting human inductor 142 function, ensure that the outward appearance of the entirety of Mobile multi-media broadcasting device.
Stuck-module 2 comprises fixed head 21, supporting module 22 and connecting rod 23, fixed head 21 is fixedly mounted on supporting module 22, two connecting rods 23 are fixedly connected with supporting module 22, junction surface affixed with connecting rod 23 on supporting module 22 can be horizontal movement, and then the distance changed between two connecting rods 23, with the distance between the slot adapting to two intervals that upper end, car seat is reserved.
Fixed head 21 can use the mode of injection moulding to manufacture, and the material of connecting rod 23 can be metal, and the steel not easily got rusty of such as copper, aluminium or modification also can be rigid plastics; When applying, for the ease of wiring, connecting rod 23 can design the cavity of hollow, and connection signal receives passes this cavity with the power line 13 of processing module 1 and vehicle power.
Headrest 3 has a rear portion 31, bottom 32, cavity 33 and sidepiece 34, wherein sidepiece 34 closes on vehicle window setting, Signal reception and processing module 1, stuck-module 2, display module 4 are positioned at the cavity 33 of headrest 3, and the display screen 41 of display module 4 exposes from the rear portion 31 of headrest 3; Pre-set two slots in upper end, car seat, the bottom 32 that the connecting rod 23 of stuck-module 2 passes headrest 3 is inserted in the slot on car seat, this Mobile multi-media broadcasting device is fixed on the top of car seat backrest.
Headrest 3 can be the pattern of sponge outer cladding one deck leather, and the display screen 41 arranging display module 4 at headrest 3 rear portion 31 and bottom 32 respectively exposes and supply the hole that the connecting rod 23 of stuck-module 2 passes.When mounted, first the fixed head 21 of stuck-module 2 and supporting module 22 can be fixedly mounted with, again Signal reception and processing module 1 are fixedly mounted with together with display module 4, then Signal reception and processing module 1 are arranged on fixed head 21, load in the cavity 33 of headrest 3 by not installing the stuck-module 2 of connecting rod 23 and Signal reception and processing module 1 from the rear portion 31 of headrest 3, ensure that the display screen 41 of display module 4 exposes from headrest 3 rear portion 31, then through the hole bottom headrest 3 on 32, connecting rod 23 is packed on supporting module 22, cavity 33 can be slightly less than Signal reception and processing module 1, stuck-module 2 and display module 4, make the tight coated Signal reception of headrest 3 and processing module 1, stuck-module 2 and display module 4.
Antenna 12 can be telescopic antenna, PCB antenna, FPC antenna, hardware frame antenna or magnetoelectric composites antenna etc., comparatively traditional method for designing adopts telescopic antenna, antenna is located at vehicle top or other positions, the kind of antenna increases, selection for antenna provides multiple reference, as PCB antenna, FPC antenna, magnetoelectric composites antenna etc., these antenna can be sticked on roof.
Antenna 12 can also be arranged on Mobile multi-media broadcasting device inside, and in order to ensure the intensity of Received signal strength, antenna 12 is arranged on the sidepiece 34 closing on vehicle window of headrest 3, relative with the sidewall 212 extended bottom fixed head 21 in stuck-module 2; Now, antenna 12 can select telescopic antenna, PCB antenna, FPC antenna, hardware frame antenna or magnetoelectric composites antenna, and antenna 12 is positioned at the sponge of the sidepiece 34 of headrest 3.The sidewall 212 of fixed head 21 is arranged to cambered surface, and this cambered surface is bending in fixed head 21, and metal forming 213 shape is identical with the shape of cambered surface, on the line that the cambered surface that is positioned at antenna 12 converges, such as this cambered surface can also be the face of cylinder, and now, antenna 12 is positioned on the axis on this face of cylinder; Meanwhile, metal forming 213 can also weaken the interference of main frame 1 pair of antenna 12 Received signal strength.
With reference to Fig. 3 and Fig. 4, Figure 3 shows that the casing 16 of main frame and the fixed head 21 of stuck-module, casing 16 sidewall is provided with draw-in groove 161, in the bottom surface of casing 16 dorsad casing 16 vertical extend two columns 163, each column 163 is all provided with screwed hole 1631, and casing 16 further comprises the screw 164 matched with screwed hole 1631 simultaneously; The draw-in groove 161 of fixed head 21 corresponding casing 16 sidewall is provided with snap fit 211, the open-work (not shown) can passed for the column of casing 16 is provided with in the bottom of fixed head 21, in the outside of open-work, extend riser 214 by the plane perpendicular of fixed head 21, this riser 214 is with the through hole 2141 coaxial with column 163 screwed hole 1631.
Fig. 4 is the installation diagram of casing 16 and fixed head 21, draw-in groove 161 snapping that the snap fit 211 of fixed head 21 is corresponding with on casing 16, snap fit 211 corresponding on the upside of casing 16 and fixed head 21 is combined closely with draw-in groove 161, on the downside of casing 16 and fixed head 21 and snap fit 211 corresponding to sidepiece be combined with draw-in groove 161 gap; Now, casing 16 column 163 is fitted through the riser 214 of the open-work bottom fixed head 21 and fixed head 21, screwed hole 1631 on column 163 is coaxial with the through hole 2141 on riser 214, screw 164 is spirally connected with the screwed hole 1631 on column 163 through the through hole 2141 on riser 214, the shell fragment 215 that fixed head 21 shown in Fig. 2 upwarps is butted on the bottom surface of casing 16, plays the effect of damping.
Being fixedly mounted with of casing and fixed head mainly relies on combining closely of snap fit corresponding on the upside of casing and fixed head and draw-in groove and screw passes the through hole on riser and the screw hole on column realizes, main frame is arranged on stuck-module by casing and being fixedly mounted with of fixed head, when dismantling, removing casing and main frame can be separated with stuck-module with fixed head.When being applied to the coated main frame of headrest and stuck-module, by the hole of the bottom of headrest, screw is screwed out, because the snapping of casing and fixed head only has the snap fit of upside and draw-in groove to be combine closely, easily the rear portion of main frame from headrest can be taken out, main frame is placed under repair or installs some elements additional.Screwed hole need be set in frame table face, main frame face for the ease of dismounting in the past, overall outward appearance can be destroyed; In order to take into account attractive in appearance and be convenient to dismounting adopt snap fit normally snap fit be combined with the gap of draw-in groove, make main frame installation built on the sand; In order to the snap fit taking into account attractive in appearance and firm employing is easy to form fast knot, main frame is made to be difficult to dismounting.
Fig. 5 shows the Mobile multi-media broadcasting device after assembling, in this Fig. 5, the display screen 41 of display module exposes from the rear portion of headrest 3, loudspeaker 42 are located at the top of face frame 14, human inductor 142 is located at the bottom of face frame 14, the connecting rod 23 of stuck-module stretches out from the bottom of headrest 3, and this connecting rod 23 is provided with cavity, and power line 13 passes from this cavity.Human inductor 142 as induction display screen towards on there is no passenger, can make the action of shutdown according to this, face frame 14 is also provided with switch and regulates button, this Mobile multi-media broadcasting device also can configure remote controller.
Antenna 12 shown in Fig. 6 is a kind of composite electromagnetic material antenna, comprise media substrate 121, feeder line 124, be attached to the sheet metal 125 on medium substrate 121 surface, feeder line 124 is by coupled modes feed-in sheet metal 125, on sheet metal 125, hollow out has micro groove structure 123 to form metal routing 122 on sheet metal 125, forms feedback point 126 at the end of feeder line 124.
Antenna micro groove structure 123 shown in Fig. 6 is opening helical ring structures, micro groove structure 123 also can be complementary opening resonance loop structure, complementary helix structure, opening helical ring structure, two opening helical ring structure, a kind of in complementary folding line structure or derived by several structure above, micro groove structure that compound or group battle array obtain.Derive and be divided into two kinds, one is that geometry derives, another kind is that expansion is derivative, and geometry is herein derivative refers to that function class derives like, variform structure, such as, derived to class of a curve structure, triangle class formation and other different polygon class formation by square frame class formation.
In addition, antenna shown in Fig. 6 only has the micro groove structure of one group of feeder line and feedback point and correspondence, and also can have two groups or more feeder line and the micro groove structure of feedback point and correspondence, each group can be symmetrical arranged, and also can be arranged in media substrate surface according to actual requirement.
Medium substrate can be made up of ceramic material, macromolecular material, ferroelectric material, ferrite material or ferromagnetic material.Preferably, being made up of macromolecular material, can be the macromolecular materials such as FR-4, F4B particularly.Sheet metal is copper sheet or silver strip.Be preferably copper sheet, cheap, conduct electricity very well.Feeder line selects the material same with sheet metal to make.Be preferably copper.
The processing and manufacturing of magnetoelectric composites antenna in the present invention, as long as meet design principle of the present invention, can adopt various manufacture.Prevailing method is the manufacture method using all kinds of printed circuit board (PCB) (PCB), and certainly, metallized through hole, the PCB of double-sided copper-clad manufactures and also can meet processing request of the present invention.Except this processing mode, other manufacturing process can also be introduced according to the actual needs, such as (RFID is the abbreviation of RadioFrequencyIdentification to RFID, i.e. REID, is commonly called as electronic tag) in use conductive silver paste ink processing mode, all kinds of can the processing mode that combines of the flexible PCB processing of deformable element, the processing mode of iron plate antenna and iron plate and PCB.Wherein, iron plate and PCB Combined machining mode refer to and utilize the accurate processing of PCB to complete the processing of antenna micro groove structure, complete other slave part with iron plate.In addition, the method can also carved by etching, electroplating, bore quarter, photoetching, electronics quarter or ion is processed.
Mobile multi-media broadcasting device of the present invention can be used on a vehicle widely, include but not limited on automobile, train, aircraft, the Mobile multi-media broadcasting device for backrest top as specific embodiment can be widely used in the seat of automobile, train, aircraft, simultaneously, also the mode of suspension can be adopted to be arranged on the mode at passenger vehicle, train or aircraft top for the Mobile multi-media broadcasting device in passenger vehicle, train and aircraft, only need do to change to the casing of main frame in embodiment and stuck-module just can realize.
The invention is intended to set forth a kind of signal and strengthen structure, this structure can under the prerequisite not changing transmitter transmit signal strength and base station density, improve the signal reception of device, the Mobile multi-media broadcasting device on the vehicles of structure is strengthened with signal, can better Received signal strength, improve audio visual effect, preferably display module and Signal reception and processing module Integral design, have also been made in an embodiment and illustrate.
Below be only the description to embodiments of the invention, restriction of the present invention can not be formed, be all within protection scope of the present invention in the development of the situation not departing from present inventive concept.
Claims (5)
1. a Mobile multi-media broadcasting device, install on a vehicle, it is characterized in that, described Mobile multi-media broadcasting device comprises:
Signal reception and processing module, comprising: antenna, motherboard and power line, and the signal that described antenna receives, by described antenna receiving signal, is converted to video and audio signal and exports by described Signal reception and processing module, and described power line connects power supply;
Display module, receives described video and audio signal that described Signal reception and processing module export and broadcasts;
Stuck-module, comprises fixed head, extends sidewall bottom described fixed head, and the lateral surface of described sidewall is cambered surface bending in described fixed head, described sidewall is fixed with the metal forming identical with described sidewall arc shape; Described antenna is positioned at the outside of sidewall described in described fixed head, relative with described sidewall cambered surface, and described antenna is positioned on the line of described cambered surface convergence; Described Signal reception and processing module are fixed on the described vehicles by described stuck-module; Described antenna is arranged on the side closing on vehicle windows.
2. Mobile multi-media broadcasting device according to claim 1, is characterized in that, described motherboard bottom is also provided with radome.
3. Mobile multi-media broadcasting device according to claim 1, it is characterized in that, described Signal reception and processing module also comprise face frame, casing, described motherboard is packed between described casing and described frame with being fixedly connected with of described frame through described casing, and described antenna is positioned at the outside of described casing.
4. Mobile multi-media broadcasting device according to claim 2, it is characterized in that, described Signal reception and processing module also comprise platen bracket, and described motherboard is packed between described casing and described platen bracket through described casing with being fixedly connected with of described platen bracket; Described display module is positioned at the top of described platen bracket, and described display module exposes from described frame, and described display module is packed between described frame and described platen bracket with being fixedly connected with of described platen bracket through described frame.
5. Mobile multi-media broadcasting device according to claim 2, it is characterized in that, also comprise: headrest, described headrest has rear portion, bottom and cavity, described Signal reception and processing module, described display module and described stuck-module are positioned at the described cavity of described headrest, and described display module exposes from the described rear portion of described headrest.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110254217.1A CN102956987B (en) | 2011-08-31 | 2011-08-31 | A kind of signal strengthens structure and Mobile multi-media broadcasting device |
| PCT/CN2011/082181 WO2013029306A1 (en) | 2011-08-31 | 2011-11-15 | Antenna and mobile multimedia broadcasting device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110254217.1A CN102956987B (en) | 2011-08-31 | 2011-08-31 | A kind of signal strengthens structure and Mobile multi-media broadcasting device |
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| Publication Number | Publication Date |
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| CN102956987A CN102956987A (en) | 2013-03-06 |
| CN102956987B true CN102956987B (en) | 2016-04-06 |
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| CN201110254217.1A Active CN102956987B (en) | 2011-08-31 | 2011-08-31 | A kind of signal strengthens structure and Mobile multi-media broadcasting device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106711606A (en) * | 2017-01-13 | 2017-05-24 | 深圳市天鼎微波科技有限公司 | Unmanned aerial vehicle signal enhancement antenna structure |
| CN108422819A (en) * | 2018-05-18 | 2018-08-21 | 深圳市合众智科技有限公司 | A kind of tire pressure receiving and displaying device of the arbitrary tire pressure transmitter of matching |
| CN108449472A (en) * | 2018-05-18 | 2018-08-24 | 江苏金花朵电子科技有限公司 | A kind of mobile phone shell with enhancing semiotic function |
| CN109327976B (en) * | 2018-09-06 | 2024-02-13 | 厦门宏发汽车电子有限公司 | Independent external antenna vehicle body controller |
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| CN2407458Y (en) * | 1999-12-07 | 2000-11-22 | 梁建军 | Anti-radiating composite antenna for communication |
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Effective date of registration: 20170124 Address after: Industrial Park Dagze County of Lhasa City, Tibet autonomous region 850100 Patentee after: Tibet Dagze stern Industrial Development Co.,Ltd. Address before: 518000 Nanshan District City, Guangdong province high tech Zone in the middle of a high tech building, No. 9 software building Patentee before: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Patentee before: KUANG-CHI INNOVATIVE TECHNOLOGY Ltd. |
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Effective date of registration: 20230412 Address after: 2 / F, software building, No.9, Gaoxin Zhongyi Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: KUANG-CHI INSTITUTE OF ADVANCED TECHNOLOGY Address before: Industrial Park Dagze County of Lhasa City, Tibet autonomous region 850100 Patentee before: Tibet Dagze stern Industrial Development Co.,Ltd. |