CN209266557U - A kind of ground structure of communication terminal antenna and mainboard - Google Patents
A kind of ground structure of communication terminal antenna and mainboard Download PDFInfo
- Publication number
- CN209266557U CN209266557U CN201822035287.8U CN201822035287U CN209266557U CN 209266557 U CN209266557 U CN 209266557U CN 201822035287 U CN201822035287 U CN 201822035287U CN 209266557 U CN209266557 U CN 209266557U
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- antenna
- ground
- main board
- pcb main
- antenna assembly
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- 238000004891 communication Methods 0.000 title claims abstract description 42
- 238000004146 energy storage Methods 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 4
- 230000008054 signal transmission Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 abstract description 12
- 230000007613 environmental effect Effects 0.000 abstract description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 8
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000006641 stabilisation Effects 0.000 description 3
- 238000011105 stabilization Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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Abstract
The utility model discloses the ground structure of a kind of communication terminal antenna and mainboard, it include: shell, PCB main board, antenna assembly, signal transmssion line and several ground lines, PCB main board, antenna assembly, signal transmssion line and several ground lines are arranged in shell, antenna assembly is arranged in PCB main board side, the both ends of signal transmssion line are electrically connected with PCB main board and antenna assembly respectively, and the both ends of several ground lines are electrically connected with PCB main board and antenna assembly respectively；PCB main board is equipped with communication module and earthing module, and antenna assembly includes communication ends and ground terminal, and the both ends of signal transmssion line are electrically connected with communication module and communication ends respectively；The both ends of several ground lines are electrically connected with earthing module and ground terminal respectively.The utility model passes through cable and the grounding being grounded between slot realization antenna and mainboard, the length of covert extension antenna, it is ensured that equipment is adjustable to try out required radio frequency band；Conductive fabric is eliminated, special environmental treatment station, assembly convenience are not necessarily to.
Description
Technical field
The utility model relates to field of communication technology more particularly to the ground structures of a kind of communication terminal antenna and mainboard.
Background technique
Existing communication terminal mostly uses antenna to carry out radio signals, and theory and practice proves, when the length of antenna
For radio signal wavelength 1/4 when, the transmitting of antenna and receive transfer efficiency highest.Therefore, numerous communication equipment factories
For quotient when designing antenna, the length and area of antenna will emit and receive the wavelength of radio signal according to equipment to determine；
And numerous communication equipment production firms are to cater to consuming public to pursue exquisite appearance at present, product becomes small, causes day
Worse and worse, the available cabling area of antenna is compressed smaller and smaller for environment around line, is unable to satisfy the 1/4 of required frequency range
Wavelength cabling area, and the metal component around antenna is remoter from antenna, and the radiation efficiency of antenna is relatively higher.To solve
The problem of antenna cabling area deficiency, numerous communication equipment production firms using conductive fabric or copper sheet the grounding parts of mainboard with
The ground terminal of antenna is connected, and also assigns the grounding parts of mainboard as a part of antenna, with the length of this covert extension antenna, in turn
Debug out required radio frequency band.
But the grounding parts of mainboard are connected with the ground terminal of antenna using conductive fabric or copper sheet and are had the following problems:
1, because conductive fabric and mainboard grounding parts or antenna ground terminal poor contact and conductive fabric using the time it is permanent
Cause self-conductive performance to decline, can all cause the performance change of antenna, antenna stabilization is poor；
2, because of the relatively full not extra vacant lot patch conductive fabric of component stacking on mainboard or because of equipment overall structure layout
Limitation can not make antenna and mainboard do direct grounding, and antenna length is caused to be insufficient for radio signal needed for equipment
The 1/4 of wavelength, so that equipment can not debug out required radio frequency band；
3, special station is needed when assembling to do environmental treatment, and assembly is not convenient enough.
Therefore, the prior art is defective, needs to improve.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide the ground connection of a kind of communication terminal antenna and mainboard
Structure.
The technical solution of the utility model is as follows: a kind of ground structure of communication terminal antenna and mainboard, comprising: shell,
PCB main board, antenna assembly, signal transmssion line and several ground lines, PCB main board, antenna assembly, signal transmssion line and several
Ground line is arranged in shell, and antenna assembly and PCB main board are not at same level, and antenna assembly is arranged in PCB main board
Side, the both ends of signal transmssion line are electrically connected with PCB main board and antenna assembly respectively, the both ends of several ground lines respectively with
PCB main board and antenna assembly are electrically connected；PCB main board be equipped with communication module and earthing module, antenna assembly include communication ends and
Ground terminal, the both ends of signal transmssion line are electrically connected with communication module and communication ends respectively, for realizing antenna assembly and PCB master
Signal interaction between plate；The both ends of several ground lines are electrically connected with earthing module and ground terminal respectively, for realizing antenna
Grounding connection between mainboard.
Further, communication module includes antenna rf seat, and antenna rf seat is arranged on mainboard, and the one of signal transmssion line
End connection antenna rf seat, the communication ends of the other end connection antenna assembly of signal transmssion line.
Further, earthing module includes ground connection slot and grounding parts, grounding parts setting PCB main board edge and with
It communicates to PCB main board, ground connection slot is arranged on grounding parts；It is grounded the grounding pin that slot is equipped with is grounded quantity Matching,
In ground connection slot, the other end of ground line and the ground terminal of antenna assembly weld together for one end setting of ground line.
Further, ground connection lock pin is equipped in grounding pin, ground connection lock pin is electrically connected with ground line and grounding parts respectively.
Further, signal transmssion line is coaxial line.
Further, it is grounded as cable, cable includes conductive core wire and shielded layer.
Further, the other side of PCB main board is additionally provided with energy storage device, and energy storage device and PCB main board are electrically connected, are used for
Electric energy needed for PCB main board work is provided.
Using the above scheme, the utility model has the following beneficial effects:
1, the utility model eliminates conductive fabric, and ground line cooperation ground connection slot leads mainboard grounding parts and antenna ground end
Logical, stable structure is avoided because conductive fabric poor contact leads to the deviation of antenna performance, and antenna stabilization is strong；
2, it is not necessarily to the dew copper earthing position of reserved large area in the utility model, on PCB main board, only needs connecing for a very little
Ground slot position, cable cooperation ground connection slot can be realized the grounding of antenna and mainboard, do not influence complete machine structure layout,
Also can covert extension antenna length so that antenna length is sufficient for 1/4 of radio signal wavelength needed for equipment, it is ensured that set
Required radio frequency band is tried out for adjustable；
3, in the utility model, using cable and ground connection slot instead of conductive fabric or copper sheet, when assembly, is not needed specially
The station of door does environmental treatment, assembly convenience.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the cross-sectional view of the structure of the utility model；
Fig. 2 is that the utility model looks up the cross-sectional view of the structure under visual angle；
Fig. 3 is the part-structure sectional view of the utility model.
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in detail.
Referring to figs. 1 to shown in Fig. 3, the utility model provides the ground structure of a kind of communication terminal antenna and mainboard.This reality
With it is novel include: shell 1, PCB main board 2, antenna assembly 3, signal transmssion line 4 and it is several ground line 5, PCB main board 2, antenna
Device 3, signal transmssion line 4 and several ground lines 5 are arranged in shell 1, and antenna assembly is not at same with PCB main board 2
Horizontal plane, the setting of antenna assembly 3 in 2 side of PCB main board, the both ends of signal transmssion line 4 respectively with PCB main board 2 and antenna assembly 3
It is electrically connected, the both ends of several ground lines 5 are electrically connected with PCB main board 2 and antenna assembly 3 respectively；PCB main board 2 is equipped with communication
Module and earthing module, antenna assembly 3 include communication ends and ground terminal, the both ends of signal transmssion line 4 respectively with communication module and
Communication ends are electrically connected, for realizing the signal interaction between antenna assembly 3 and PCB main board 2；The both ends point of several ground lines 5
It is not electrically connected with earthing module and ground terminal, for realizing the grounding connection between antenna assembly 3 and PCB main board 2, is become with this
The length of phase extension antenna, radio frequency band needed for enabling antenna assembly 3 to debug out communication terminal.
As one embodiment, ground line 5 can be the cable including conductive core wire and shielded layer, and cable exists
Alternating current is transmitted between antenna assembly 3 and PCB main board 2, is equivalent to the antenna for launching outward radio signal, but cable
Center copper wire launch outward radio and be isolated by shielded layer, electromagnetic field is enclosed between center copper wire and shielded layer, wirelessly
Electric signal influenced by external interference it is small so that 3 radiation loss of antenna assembly reduce.
As one embodiment, signal transmssion line 4 can be the coaxial line with shielding action, on the one hand prevent extraneous dry
The signal interaction influenced between antenna assembly 3 and PCB main board 2 is disturbed, guarantees the stability of signal transmission；On the other hand, isolation letter
The electromagnetic radiation that number transmission line 4 is generated when transmitting signal, so that signal transmission will not be to 2 metal component of PCB main board just
Often work generates interference.
In the present embodiment, communication module includes antenna rf seat 21, and antenna rf seat 21 is arranged on mainboard, and signal passes
One end of defeated line 4 connects antenna rf seat 21, the communication ends of the other end connection antenna assembly of signal transmssion line 4.
In the present embodiment, earthing module includes ground connection slot 22 and grounding parts, and grounding parts are arranged on 2 side of PCB main board
Edge is simultaneously communicated with 2 ground of PCB main board, and ground connection slot 22 is arranged on grounding parts；Ground connection slot 22 is equipped with and is grounded 5 quantity Matchings
Grounding pin, ground connection lock pin is equipped in grounding pin, 5 one end is grounded and the ground terminal of antenna assembly 3 welds together,
The other end setting of ground line 5 is electrically connected in ground connection slot 22, and with one end of ground connection lock pin, is grounded the other end of lock pin
It is electrically connected with grounding parts.
In the present embodiment, the other side of PCB main board 2 is additionally provided with energy storage device 6, and energy storage device 6 and PCB main board 2 are electrically
Connection works required electric energy for providing PCB main board 2.
Compared with prior art, the utility model has the following beneficial effects:
1, the utility model eliminates conductive fabric, and ground line cooperation ground connection slot leads mainboard grounding parts and antenna ground end
Logical, stable structure is avoided because conductive fabric poor contact leads to the deviation of antenna performance, and antenna stabilization is strong；
2, it is not necessarily to the dew copper earthing position of reserved large area in the utility model, on PCB main board, only needs connecing for a very little
Ground slot position, cable cooperation ground connection slot can be realized the grounding of antenna and mainboard, do not influence complete machine structure layout,
Also can covert extension antenna length so that antenna length is sufficient for 1/4 of radio signal wavelength needed for equipment, it is ensured that set
Required radio frequency band is tried out for adjustable；
3, in the utility model, using cable and ground connection slot instead of conductive fabric or copper sheet, when assembly, is not needed specially
The station of door does environmental treatment, assembly convenience.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (7)
1. the ground structure of a kind of communication terminal antenna and mainboard characterized by comprising shell, PCB main board, antenna assembly,
Signal transmssion line and several ground lines, the PCB main board, antenna assembly, signal transmssion line and several ground lines are respectively provided with
In the shell, antenna assembly setting in the PCB main board side, the both ends of the signal transmssion line respectively with it is described
PCB main board and antenna assembly are electrically connected, and the both ends of several ground lines are electrical with the PCB main board and antenna assembly respectively
Connection；The PCB main board is equipped with communication module and earthing module, and the antenna assembly includes communication ends and ground terminal, the letter
The both ends of number transmission line are electrically connected with the communication module and communication ends respectively, for realizing antenna assembly and PCB main board it
Between signal interaction；The both ends of several ground lines are electrically connected with the earthing module and ground terminal respectively, for realizing
Grounding connection between antenna and mainboard.
2. the ground structure of a kind of communication terminal antenna and mainboard according to claim 1, which is characterized in that the communication
Module includes antenna rf seat, and on the main board, one end of the signal transmssion line connects institute for the antenna rf seat setting
Antenna rf seat is stated, the other end of the signal transmssion line connects the communication ends of the antenna assembly.
3. the ground structure of a kind of communication terminal antenna and mainboard according to claim 1, which is characterized in that the ground connection
Module includes ground connection slot and grounding parts, and the grounding parts are arranged at the PCB main board edge and with mainboard communicate, described
Slot is grounded to be arranged on the grounding parts；The ground connection slot is equipped with the grounding pin with the ground line quantity Matching, institute
The one end for stating ground line is arranged in the ground connection slot, and the ground terminal of the other end of the ground line and the antenna assembly welds
It is connected together.
4. the ground structure of a kind of communication terminal antenna and mainboard according to claim 3, which is characterized in that the ground connection
Ground connection lock pin is equipped in pin, the ground connection lock pin is electrically connected with the ground line and grounding parts respectively.
5. the ground structure of a kind of communication terminal antenna and mainboard according to claim 1, which is characterized in that the signal
Transmission line is coaxial line.
6. the ground structure of a kind of communication terminal antenna and mainboard according to claim 1, which is characterized in that the ground connection
Line is cable, and the cable includes conductive core wire and shielded layer.
7. the ground structure of a kind of communication terminal antenna and mainboard according to claim 1, which is characterized in that the PCB
The other side of mainboard is additionally provided with energy storage device, and the energy storage device and the PCB main board are electrically connected, for providing PCB main board
Electric energy needed for work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822035287.8U CN209266557U (en) | 2018-12-05 | 2018-12-05 | A kind of ground structure of communication terminal antenna and mainboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822035287.8U CN209266557U (en) | 2018-12-05 | 2018-12-05 | A kind of ground structure of communication terminal antenna and mainboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209266557U true CN209266557U (en) | 2019-08-16 |
Family
ID=67561932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822035287.8U Expired - Fee Related CN209266557U (en) | 2018-12-05 | 2018-12-05 | A kind of ground structure of communication terminal antenna and mainboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209266557U (en) |
-
2018
- 2018-12-05 CN CN201822035287.8U patent/CN209266557U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A grounding structure between communication terminal antenna and mainboard Effective date of registration: 20200818 Granted publication date: 20190816 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: SHENZHEN ZHONGTIAN COMMUNICATION TECHNOLOGY SHARES Co.,Ltd. Registration number: Y2020980005087 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190816 |