CN205846227U - The built-in LTE antenna of miniature OBD - Google Patents
The built-in LTE antenna of miniature OBD Download PDFInfo
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- CN205846227U CN205846227U CN201620671428.3U CN201620671428U CN205846227U CN 205846227 U CN205846227 U CN 205846227U CN 201620671428 U CN201620671428 U CN 201620671428U CN 205846227 U CN205846227 U CN 205846227U
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Abstract
The built-in LTE antenna of miniature OBD, including: circuit board, distributing point, left earth point, right earth point, high frequency cabling, low frequency cabling, antenna coupling cabling, support；Described distributing point, left earth point, right earth point are placed on circuit board, high frequency cabling, low frequency cabling are connected with distributing point by the public cabling of antenna low-and high-frequency, high frequency cabling is also connected with right earth point, and antenna coupling cabling is connected with left earth point, and bracket clamp connects on circuit boards.This antenna volume is little, low cost, can be built in mobile unit, does not affect antenna performance requirement.
Description
Technical field
This utility model belongs to car antenna technical field, particularly relates to a kind of built-in LTE antenna of miniature OBD.
Background technology
OBD is as a kind of collecting vehicle information mobile unit, and more and more universal, it can gather automobile fuel consumption, sends out
Motivation rotating speed and temperature, vehicle interior temperature, check the information of vehicles closely bound up with car owner such as door and window, its antenna used has indigo plant
Tooth antenna, WiFi antenna, 2G, 3G.These OBD design forward multimedia at present, and cloud platform direction is developed, and this development trend needs
To be transmitted as basis with big data communication mode and antenna performance are had higher requirements, but due to whole to automobile interior of car owner
Body coordinates requirement so that mobile unit is necessarily mounted in car at stowed position, inside console, in copilot armrest box
Face, car machine surrounding position, all there is a substantial amounts of automotive metal structure these positions, but frame cross, electromotor, bonnet,
These installation sites and limited space, cause OBD equipment to be increasingly miniaturized, bring serious impact to Antenna Design.
The antenna of current vehicle-mounted OBD equipment is generally built-in aerial, uses 3G communication, corresponding 3G days in miniature OBD
Line, but 3G antenna is limited by network formats, network rate is limited, it is impossible to meet big data quantity transmission.Also there is small part OBD car
Load equipment uses external antenna, meets higher communication need, but the bigger antenna size of external antenna is to equipment installation
Bring extremely inconvenience, and external antenna position needs to be placed in external environment condition, is unfavorable for hiding, coordinate attractive in appearance in affecting car, external sky
Line is expensive, considerably increases the production cost of mobile unit.
Utility model content
For solving the problems referred to above that prior art exists, this utility model provides a kind of built-in LTE antenna of miniature OBD,
This antenna volume is little, low cost, can be built in mobile unit, does not affect antenna performance requirement.
On the one hand, this utility model provides a kind of built-in LTE antenna of miniature OBD, including: circuit board, distributing point, a left side connect
Place, right earth point, high frequency cabling, low frequency cabling, antenna coupling cabling, support；Described distributing point, left earth point, right ground connection
Point is placed on circuit board, and high frequency cabling, low frequency cabling are connected with distributing point by the public cabling of antenna low-and high-frequency, and high frequency cabling is also
Being connected with right earth point, antenna coupling cabling is connected with left earth point, and bracket clamp connects on circuit boards.
Preferably, described high frequency cabling, low frequency cabling, the public cabling of antenna low-and high-frequency, antenna coupling cabling are attached to support
On.
Preferably, described high frequency cabling, low frequency cabling are G type cabling.
Preferably, described support is plastic rubber bracket.
Preferably, described circuit board is flexible circuit board.
As it is further preferred that the coupling of described high frequency cabling, low frequency cabling, the public cabling of antenna low-and high-frequency, antenna is walked
Line uses LDS laser carving on support.
As it is further preferred that the coupling of described high frequency cabling, low frequency cabling, the public cabling of antenna low-and high-frequency, antenna is walked
Line uses PDS to be printed on support.
As it is further preferred that described high frequency trace width reaches 2mm, low frequency trace width reaches 3mm.
This utility model is owing to using above technical method, it is possible to obtain following technique effect: 1, the application LTE antenna
Easy to assembly, the antenna holder that only need to mount is arranged in mobile unit.
2, the application LTE antenna band is wide, it is possible to achieve operating frequency 800MHz-960MHz and 1700MHz-
2700MHz, covers major part communication network frequency range both at home and abroad, and meets performance requirement.
3, the application LTE antenna volume is little, low cost, can be built in mobile unit, does not affect antenna performance requirement.
4, the application LTE antenna provides more selection can to mobile unit installation site.
Accompanying drawing explanation
For clearer explanation embodiment of the present utility model or the technical scheme of prior art, below will be to embodiment
Or the accompanying drawing used required in description of the prior art does one and introduces simply, it should be apparent that, the accompanying drawing in describing below is only
It is only embodiments more of the present utility model, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is a kind of miniature OBD built-in LTE antenna structural representation；
Sequence number explanation in figure: 1, circuit board, 12, distributing point, 13, left earth point, 14, right earth point, 201, antenna height
The most public cabling, 202, low frequency cabling, 203, high frequency cabling, 204, antenna coupling cabling, 22, high frequency cabling and antenna low-and high-frequency
The gap of public cabling, 3, support.
Detailed description of the invention
For making the purpose of embodiment of the present utility model, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, carries out the most complete description to the technical scheme in this utility model embodiment:
Embodiment 1
Present embodiments provide a kind of built-in LTE antenna of miniature OBD, including: circuit board 1, distributing point 12, left earth point
13, right earth point 14, high frequency cabling 203, low frequency cabling 202, antenna coupling cabling 204, support 3；Described distributing point 12, a left side connect
Place 13, right earth point 14 are placed on circuit board 1, and high frequency cabling 203, low frequency cabling 202 are by the public cabling of antenna low-and high-frequency
201 are connected with distributing point 12, and high frequency cabling 203 is also connected with right earth point 14, antenna coupling cabling 204 and left earth point 13 phase
Even, support 3 clamping is on the circuit card 1.
Described high frequency cabling 203, low frequency cabling 202, the public cabling of antenna low-and high-frequency 201, antenna coupling cabling 204 uses
LDS laser carving is on support 3.
Embodiment 2
Present embodiments provide the another kind of built-in LTE antenna of miniature OBD, including: circuit board 1, distributing point 12, left earth point
13, right earth point 14, high frequency cabling 203, low frequency cabling 202, antenna coupling cabling 204, support 3；Described distributing point 12, a left side connect
Place 13, right earth point 14 are placed on circuit board 1, and high frequency cabling 203, low frequency cabling 202 are by the public cabling of antenna low-and high-frequency
201 are connected with distributing point 12, and high frequency cabling 203 is also connected with right earth point 14, antenna coupling cabling 204 and left earth point 13 phase
Even, support 3 clamping is on the circuit card 1.
Described high frequency cabling 203, low frequency cabling 202, the public cabling of antenna low-and high-frequency 201, antenna coupling cabling 204 uses
PDS is printed on support 3.
Embodiment 3
As supplementing embodiment 1 or 2, described high frequency cabling 203, low frequency cabling 202 are G type cabling, described support 3
For plastic rubber bracket, described circuit board 1 is flexible circuit board, and described high frequency cabling 203, low frequency cabling 202, antenna low-and high-frequency are public
Cabling 201, described high frequency cabling 203 width reach 2mm, and low frequency cabling 202 width reaches 3mm.Low frequency part surrounds radio-frequency head
Dividing and form original low-and high-frequency waveform, antenna coupling cabling 204 forms a new resonance at the HFS of original waveform, high
Frequently cabling adjusts low-and high-frequency bandwidth with gap 22 length and width of the public cabling of antenna low-and high-frequency.
This Antenna Design proposes monopole antenna many feedbacks ground coupling cabling mode in mobile unit, promotes antenna stabilization, anti-
Interference is strong.This antenna has preferable bandwidth frequency scope, and operating frequency is at 700MHz-960MHz and 1700MHz-
2700MHz, it is adaptable to 2G, 3G, 4G, WiFi&BT, gps antenna working frequency range.
The above, only this utility model preferably detailed description of the invention, but protection domain of the present utility model is not
Being confined to this, any those familiar with the art is in the technical scope that this utility model discloses, according to this practicality
Novel technical scheme and utility model thereof conceive equivalent or change in addition, all should contain at protection model of the present utility model
Within enclosing.
Claims (8)
- The built-in LTE antenna of the most miniature OBD, it is characterised in that including: circuit board, distributing point, left earth point, right earth point, high frequency Cabling, low frequency cabling, antenna coupling cabling, support；Described distributing point, left earth point, right earth point are placed on circuit board, high frequency Cabling, low frequency cabling are connected with distributing point by the public cabling of antenna low-and high-frequency, and high frequency cabling is also connected with right earth point, antenna Coupling cabling is connected with left earth point, and bracket clamp connects on circuit boards.
- The built-in LTE antenna of the most miniature OBD, it is characterised in that described high frequency cabling, low frequency cabling, sky The public cabling of line low-and high-frequency, antenna coupling cabling is attached on support.
- The built-in LTE antenna of the most miniature OBD, it is characterised in that described high frequency cabling, low frequency cabling are G Type cabling.
- The built-in LTE antenna of the most miniature OBD, it is characterised in that described support is plastic rubber bracket.
- The built-in LTE antenna of the most miniature OBD, it is characterised in that described circuit board is flexible circuit board.
- The built-in LTE antenna of the most miniature OBD, it is characterised in that described high frequency cabling, low frequency cabling, sky The public cabling of line low-and high-frequency, antenna coupling cabling uses LDS laser carving on support.
- The built-in LTE antenna of the most miniature OBD, it is characterised in that described high frequency cabling, low frequency cabling, sky The public cabling of line low-and high-frequency, antenna coupling cabling uses PDS to be printed on support.
- The built-in LTE antenna of the most miniature OBD, it is characterised in that described high frequency trace width reaches 2mm, Low frequency trace width reaches 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620671428.3U CN205846227U (en) | 2016-06-30 | 2016-06-30 | The built-in LTE antenna of miniature OBD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620671428.3U CN205846227U (en) | 2016-06-30 | 2016-06-30 | The built-in LTE antenna of miniature OBD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205846227U true CN205846227U (en) | 2016-12-28 |
Family
ID=57620611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620671428.3U Active CN205846227U (en) | 2016-06-30 | 2016-06-30 | The built-in LTE antenna of miniature OBD |
Country Status (1)
| Country | Link |
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| CN (1) | CN205846227U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808217A (en) * | 2017-04-27 | 2018-11-13 | 中兴通讯股份有限公司 | Antenna integrated, the antenna integrated approach of one kind and communication equipment |
| GB2575847A (en) * | 2018-07-26 | 2020-01-29 | Trakm8 Ltd | A compact telematics device for a vehicle |
| CN111628290A (en) * | 2020-07-06 | 2020-09-04 | 福建省汇创新高电子科技有限公司 | Miniaturized multi-antenna applied to vehicle-mounted OBD terminal and application thereof |
-
2016
- 2016-06-30 CN CN201620671428.3U patent/CN205846227U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108808217A (en) * | 2017-04-27 | 2018-11-13 | 中兴通讯股份有限公司 | Antenna integrated, the antenna integrated approach of one kind and communication equipment |
| GB2575847A (en) * | 2018-07-26 | 2020-01-29 | Trakm8 Ltd | A compact telematics device for a vehicle |
| GB2575847B (en) * | 2018-07-26 | 2021-04-07 | Trakm8 Ltd | A compact telematics device for a vehicle |
| CN111628290A (en) * | 2020-07-06 | 2020-09-04 | 福建省汇创新高电子科技有限公司 | Miniaturized multi-antenna applied to vehicle-mounted OBD terminal and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |