CN201117789Y - Radio device - Google Patents
Radio device Download PDFInfo
- Publication number
- CN201117789Y CN201117789Y CNU2007200579132U CN200720057913U CN201117789Y CN 201117789 Y CN201117789 Y CN 201117789Y CN U2007200579132 U CNU2007200579132 U CN U2007200579132U CN 200720057913 U CN200720057913 U CN 200720057913U CN 201117789 Y CN201117789 Y CN 201117789Y
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- CN
- China
- Prior art keywords
- circuit board
- contact
- wireless device
- antenna
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a wireless device which is provided with a shell. The shell is provided with a first circuit board, a second circuit board neighboring to the first circuit board and an antenna electrically connected with the second circuit board; the neighboring lateral sides of the first circuit board and the second circuit board are respectively provided with a first junction and a second junction as well as a third junction and a fourth junction. The first junction and the second junction of the first circuit board are electrically connected with the third junction and the fourth junction of the second circuit board by a first conductor and a second conductor respectively so as to form a double grounding connection point; therefore, when the wireless device is operated for wireless communication, the electromagnetic interference to the antenna generated by the circuit is scattered and reduced by the double grounding connection point formed between the first and the second circuit boards, thus leading the wireless device to have better antenna plus.
Description
Affiliated technical field
The utility model relates to a kind of wireless device, relates in particular to a kind of circuit board of wireless device and the ground structure of antenna.
Background technology
Along with science and technology development, the volume of electronic product is more and more littler, function is more and more complete and price is more and more cheaper, thereby be subjected to liking of more and more people, especially with our being most widely used of closely bound up mobile communication product of living, along with current panoramic communication products are constantly weeded out the old and bring forth the new, people are also more and more higher for the functional requirement of communication products, whether communication products provide more convenient, more efficient and more function and service, the tight important indicator of estimating these communication products that so become.
Along with wireless communications products emerge in multitude on the market, the primary clustering antenna of playing an important role in communication process also is subjected to the attention of manufacturer, in general wireless communication system, the effect of antenna is used for transmitting and receiving electromagnetic wave energy, its electrical characteristic is as the index of wireless communications products receiving and transmitting signal intensity quality, whether its electrical characteristic quality is enough to influence the product amount of communication, therefore for a lot of wireless communications products and merchants of antenna maker at present, the electric wave that improves antenna of trying every possible means invariably receive or launching effect to promote the product amount of product.
Along with the mobile communication product develops towards short and small direction frivolous and that carry easily, most mobile communication product is all selected built-in antenna for use.In existing mobile communication product, it has a plurality of circuit boards that are separated from each other mostly, and those circuit boards all have different functions, and the electrical characteristic of these circuit boards is all inequality.
When the mobile communication product uses, circuit board with antenna is connected by lead with the circuit board with other function and is electric conducting state, because the electrical characteristic of these circuit boards is all inequality, so the electrical characteristic of other circuit board can influence this circuit board with antenna, make the effect of electromagnetic wave receiving and transmitting signal of antenna be subjected to other circuit board the electrical characteristic influence and reduce, therefore, the communication quality of mobile communication product is with variation.
So, how to design a kind of circuit board of radio communication device and ground structure of antenna of improving, further promote the gain of antenna, be wireless communications products and the present research topic of the merchant of antenna maker.
The utility model content
The purpose of this utility model is to provide a kind of wireless device, and this wireless device can increase the contact area of circuit board, reduces the electromagnetic interference that circuit board produces antenna, and promotes the antenna performance and the antenna gain of wireless device.
For achieving the above object, wireless device provided by the utility model, have a shell, first circuit board, second circuit board and antenna, the adjacent setting of first circuit board and second circuit board also is contained in the shell, be respectively arranged with first contact and second contact that electrically connects the first circuit board grounding parts in first circuit board adjacent to second circuit board side two ends, second circuit board is provided with a wireless communication module.Be respectively arranged with the 3rd contact and the 4th contact that electrically connects the second circuit board grounding parts adjacent to first circuit board side two ends in second circuit board, antenna is contained in the shell and electrically connects with the wireless communication module of second circuit board, first contact of first circuit board and the 3rd contact of second contact and second circuit board and the 4th contact form by first conductor and second conductor respectively and electrically connect, and make first circuit board and second circuit board form two ground connection tie points.
As shown in the above description, when wireless device of the present utility model operates in radio communication, form two ground connection tie points between first circuit board and the second circuit board, to promote the contact area of first and second circuit board, lower the electromagnetic interference that first and second circuit board produces antenna, and promote the antenna performance and the antenna gain of antenna in the wireless device.
Description of drawings
In Figure of description:
Fig. 1 is the three-dimensional exploded view of the utility model wireless device.
Fig. 2 is voltage standing wave ratio (Voltage Standing Wave Ratio, the VSWR) resolution chart that forms unparalleled ground connection tie point between first circuit board and the second circuit board.
Fig. 3 is the first circuit board of the utility model wireless device and the voltage standing wave ratio resolution chart that second circuit board forms two ground connection tie points.
Fig. 4 is the first circuit board of the utility model wireless device and the antenna gain comparison diagram that second circuit board forms two ground connection tie points and unparalleled ground connection tie point.
The description of reference numerals of each assembly is as follows among the figure:
Second terminal group, 21 transforming circuits 22
First contact, 23 second contacts 24
The 3rd contact 33 the 4th contact 34
First radiation arm, 41 second radiation arms 42
First conductor, 5 second conductors 6
Embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, below give explanation especially exemplified by embodiment and conjunction with figs. are detailed.
See also Fig. 1, wireless device 100 of the present utility model has a shell.Shell comprise mutual combination first housing 10 and second housing 11, coat and fix the 3rd housing 12 of first housing 10 and second housing 11.Be provided with in the shell first circuit board 2, one and the second circuit board 3 that electrically connects of first circuit board 2 and one with the antenna 4 of second circuit board 3 electric connections.First circuit board 2 is connected with the first terminal group 20 and second terminal group 21, be provided with transforming circuit 22 on the first circuit board 2 in addition, the first terminal group 20 and second terminal group 21 be in order to connecting an AC power to this transforming circuit 22, and this transforming circuit 22 converts the AC power that is received to DC power supply and direct current is provided for second circuit board 3.
A load point 31 and an earth point 32 that second circuit board 3 is provided with wireless communication module 30 and electrically connects with this wireless communication module 30.In the present embodiment, the adjacent setting of a side of a side of first circuit board 2 and second circuit board 3.
In the present embodiment, antenna 4 be a planar inverted F-shape antenna (Planar Inverted-F Antenna, PIFA).The radiant body 40 of antenna 4 and first radiation arm 41 high frequency band that contains DCS1800MHz and PCS1900MHz that can resonate out, the radiation body 40 and second radiation arm 42 lower band of containing EGSM900MHz that can resonate out.When antenna 4 was connected with second circuit board 3, the load point 31 that the feeding portion 43 and the grounding parts 44 of antenna 4 replaced second circuit board 3 respectively formed electric connection with earth point 32.
When wireless device 100 of the present utility model is worked, first circuit board 2 is used for converting alternating voltage to direct voltage, second circuit board 3 cooperatively interacts with antenna 4, be used for receiving and the emission electromagnetic signal, the earth point 32 of the earth terminal of first circuit board 2 and second circuit board 3 is via first contact 23 and second contact 24 that are arranged on the first circuit board 2, be arranged at the 3rd contact 33 and the 4th contact 34 and connected first lead 5 and the two ground connection tie points of second lead, 6 formation of second circuit board 3, this can disperse and reduce the electromagnetic interference that 22 pairs of second circuit boards of transforming circuit on the first circuit board 23 and antenna 4 are produced, thereby promote the antenna performance of antenna 4, for example yield value, frequency covering scope and usefulness etc.
See also Fig. 2 and Fig. 3, Fig. 2 is a unparalleled ground connection tie point between first circuit board 2 and the second circuit board 3, the voltage standing wave ratio of antenna 4 (Voltage Standing Wave Ratio, VSWR) resolution chart.Fig. 3 is that wireless device 100 of the present utility model connects first circuit board 2 and second circuit board 3, the voltage standing wave ratio resolution chart of antenna 4 via two ground connection tie points.
See also Fig. 2, when antenna 4 operates in 880MHz, 950MHz, 1710MHz, 1880MHz and 1990MHz respectively, and unparalleled ground connection tie point between first circuit board 2 and the second circuit board 3, its voltage standing wave ratio are respectively 4.589 (labels 1), 3.374 (labels 2), 2.634 (labels 3), 2.457 (labels 4) and 2.067 (labels 5).
See also Fig. 3, when antenna 4 operates in 880MHz, 950MHz, 1710MHz, 1880MHz and 1990MHz respectively, and see through two ground connection tie points and connect first circuit board 2 and second circuit board 3, its voltage standing wave ratio is respectively 3.189 (labels 1), 3.15 (labels 2), 2.799 (labels 3), 1.635 (labels 4) and 1.377 (labels 5).By above narration as can be known, when wireless device 100 of the present utility model connected first circuit boards 2 with second circuit board 3 via two ground connection tie points, the voltage standing wave ratio of antenna 4 was obviously little than the voltage standing wave ratio during unparalleled ground connection tie point between first circuit board 2 and the second circuit board 3.
See also Fig. 4, for wireless device 100 of the present utility model connects first circuit board 2 and second circuit board 3 via two ground connection tie points, the antenna gain resolution chart of antenna 4, and the antenna gain resolution chart of unparalleled ground connection tie point between first circuit board 2 and the second circuit board 3.When antenna 4 operates in 880MHz and this scope of 960MHz, connect first circuit boards 2 and second circuit board 3 by two ground connection tie points, the antenna gain value when making antenna gain value that antenna 4 operates in 880MHz and this scope of 960MHz apparently higher than unparalleled ground connection tie point.
When forming two ground connection tie point between the first circuit board 2 of the antenna 4 of wireless device 100 of the present utility model and the second circuit board 3, antenna 4 is good during unparalleled ground connection tie point between the antenna performances such as antenna gain value of EGSM900MHz, DCS1800MHz and PCS1900MHz frequency band are all than first circuit board 2 and second circuit board 3.
By after the above explanation as can be known, when forming two ground connection tie point between the first circuit board 2 of wireless device 100 of the present utility model and the second circuit board 3, can increase contact area, therefore can reduce the electromagnetic interference that 2 pairs of second circuit boards of first circuit board 3 and antenna 4 are produced, and promote the antenna performances such as antenna gain of antenna 4.
Claims (10)
1. wireless device comprises:
One shell;
One first circuit board is contained in the shell, and is provided with earth terminal;
One second circuit board is contained in the shell and adjacent setting with first circuit board, which is provided with earth point; And
One antenna is attached at this shell and electrically connects this second circuit board;
It is characterized in that: the side of this first circuit board is provided with one first contact that electrically connects this earth terminal and one and second contact of this first contact separation, one distance, this second circuit board is provided with one the 3rd contact of this earth point of electric connection and the 4th contact of the one and the 3rd contact separation one distance in the side adjacent to this first circuit board, be electrically connected with one first conductor between first contact of this first circuit board and the 3rd contact of this second circuit board, be electrically connected with one second conductor between second contact of this first circuit board and the 4th contact of this second circuit board.
2. wireless device according to claim 1 is characterized in that: described shell is provided with first housing of mutual combination and the 3rd housing that second housing and coated and fixed this first housing and second housing.
3. wireless device according to claim 1 is characterized in that: described antenna is provided with a radiant body, one first radiation arm, one second radiation arm, a feeding portion and a grounding parts; First radiation arm and second radiation arm extend the different sides of radiant body respectively; The adjacent radiant body that is arranged at of feeding portion and grounding parts extends on the side of first radiation arm.
4. wireless device according to claim 3 is characterized in that: described antenna is a planar inverted F-shape antenna.
5. wireless device according to claim 4 is characterized in that: described feeding portion and grounding parts are elastic conducting strip.
6. wireless device according to claim 3 is characterized in that: described first circuit board is provided with a transforming circuit, and this transforming circuit connects a first terminal group and one second terminal group respectively.
7. wireless device according to claim 6, it is characterized in that: a load point and a feeding portion that described second circuit board is provided with a wireless communication module and electrically connects with this wireless communication module, this load point and feeding portion are connected the feeding portion and the grounding parts of antenna respectively.
8. wireless device according to claim 1 is characterized in that: described first contact and second contact are arranged at place, first circuit board side two ends, and the 3rd contact and the 4th contact are arranged at the two ends place of second circuit board adjacent to this first circuit board one side.
9. wireless device according to claim 1, it is characterized in that: described first contact and second contact are arranged at contiguous place, first circuit board side two ends, and the 3rd contact and the 4th contact are arranged at second circuit board adjacent to contiguous place, the two ends of this first circuit board one side.
10. wireless device according to claim 1 is characterized in that: described first conductor and second conductor are a lead.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200579132U CN201117789Y (en) | 2007-09-28 | 2007-09-28 | Radio device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200579132U CN201117789Y (en) | 2007-09-28 | 2007-09-28 | Radio device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201117789Y true CN201117789Y (en) | 2008-09-17 |
Family
ID=39992373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200579132U Expired - Fee Related CN201117789Y (en) | 2007-09-28 | 2007-09-28 | Radio device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201117789Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2466534A (en) * | 2008-12-26 | 2010-06-30 | Askey Computer Corp | Framework of a wireless network access device |
| CN103369732A (en) * | 2012-04-01 | 2013-10-23 | 深圳光启创新技术有限公司 | Router |
-
2007
- 2007-09-28 CN CNU2007200579132U patent/CN201117789Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2466534A (en) * | 2008-12-26 | 2010-06-30 | Askey Computer Corp | Framework of a wireless network access device |
| GB2466534B (en) * | 2008-12-26 | 2012-08-15 | Askey Computer Corp | Framework of wireless network access device |
| CN103369732A (en) * | 2012-04-01 | 2013-10-23 | 深圳光启创新技术有限公司 | Router |
| CN103369732B (en) * | 2012-04-01 | 2017-11-28 | 深圳光启创新技术有限公司 | A kind of router |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sharetronic Digital Electronic (Shenzhen) Co., Ltd. Assignor: Samsung Electronics (Dongguan) Co., Ltd.|Wei precision industry Limited by Share Ltd Contract record no.: 2010990000645 Denomination of utility model: Wireless device interconnected with portable terminal Granted publication date: 20080917 License type: Exclusive License Record date: 20100816 |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Sharetronic Digital Electronic (Shenzhen) Co., Ltd. Assignor: Samsung Electronics (Dongguan) Co., Ltd.|Wei precision industry Limited by Share Ltd Contract record no.: 2010990000645 Denomination of utility model: Wireless device interconnected with portable terminal Granted publication date: 20080917 License type: Exclusive License Record date: 20100816 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| 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: 20080917 Termination date: 20160928 |