CN202750237U - WLAN card device - Google Patents
WLAN card device Download PDFInfo
- Publication number
- CN202750237U CN202750237U CN 201220300802 CN201220300802U CN202750237U CN 202750237 U CN202750237 U CN 202750237U CN 201220300802 CN201220300802 CN 201220300802 CN 201220300802 U CN201220300802 U CN 201220300802U CN 202750237 U CN202750237 U CN 202750237U
- Authority
- CN
- China
- Prior art keywords
- wireless network
- network card
- card apparatus
- antenna
- communication interface
- 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 provides a WLAN (wireless local area network) card device comprising a network card casing, a printed circuit board, an antenna, a communication interface and at least one connecting piece, wherein the printed circuit board, the antenna, the communication interface and the least one connecting piece are arranged in the network card casing; at least one connecting piece is arranged on the printed circuit board, and is electrically connected with the earth-space of the printed circuit board; the shell of the communication interface is partial-metal structure or an all-metal structure; the metal part of the shell is electrically connected with at least one connecting piece; and when the WLAN card device is inserted on an electronic device through the communication interface, the printed circuit board is electrically connected with the ground plane of the electronic device through at least one connecting piece and the shell. The WLAN card device has no requirement for additionally setting superfluous radiators, thus effectively saving the installment space and being in favor of miniaturization of the WLAN card device.
Description
Technical field
The utility model relates to a kind of wireless network card apparatus.
Background technology
Wireless network card can in to be built in the main frame of portable electron device inner, or insert in the external connection slot of this portable electron device outward.With the wireless network card of outside plug type because portable electron device generally has the external connection slot of a plurality of use USBs (Universal Serial Bus, USB) interface, so wireless network card to be set as the form of USB plug to the utmost for general.
Be typically provided with antenna in the wireless network card, and by this antenna transmission, receive radio wave with transmit, the exchange radio data signal.Yet, in order to satisfy the wide-band operation, usually need to extra radiant body be set in this wireless network card inside, resonate to produce with this antenna, and then increase the frequency range of antenna.So, be unfavorable for the miniaturization of wireless network card.
The utility model content
In view of this, be necessary to provide a kind of and carry out the wideband operation, and the less wireless network card apparatus that takes up room.
A kind of wireless network card apparatus comprises the network interface card casing, is arranged on printed circuit board (PCB), antenna and communication interface in the described network interface card casing, and described printed circuit board (PCB) comprises the access area; Described wireless network card apparatus also comprises at least one connector, described at least one connector is arranged on the described printed circuit board (PCB), and all be electrically connected with described access area, described communication interface comprises shell, described shell is part metals or all-metal construction, the metal part of described shell is electrically connected with described at least one connector, when described wireless network card apparatus was inserted on the electronic installation by described communication interface, described printed circuit board (PCB) was electrically connected by the ground plane of described at least one connector and described shell and described electronic installation.
Preferably, described at least one connector is metal clips.
Preferably, described at least one connector is wire or is made by other electric conducting materials.
Preferably, described wireless network card apparatus is operated in the GSM/EGSM/DCS/PCS/WCDMA frequency range.
Preferably, described antenna is planar inverted-F antenna, unipole antenna or ceramic antenna.
Preferably, the shape of described antenna and structure are adjusted according to shape and the structure of described network interface card casing, and are attached at the inner surface of described network interface card casing.
Preferably, described communication interface also comprises communication ends, and described wireless network card apparatus is inserted on the described electronic installation by this communication ends.
Preferably, described communication interface is USB interface.
Preferably, also be provided with the accommodation section on the described network interface card casing, described communication interface can be rotated by relatively described network interface card casing, and is contained in the described accommodation section.
Above-mentioned wireless network card apparatus only needs to arrange described connector on described printed circuit board (PCB), and the shell of described communication interface is set to part metals or all-metal construction, and then so that the grounding system of the ground plane complete of this connector, shell and electronic installation can be passed through in the access area on the described printed circuit board (PCB), increasing the contact area of described printed circuit board (PCB), and then effectively widen the frequency range of this antenna.Above-mentioned radio communication network card device does not need additionally to arrange unnecessary radiant body again, can effectively save the installing space, is conducive to the miniaturization of wireless network card apparatus.
Description of drawings
Fig. 1 is the overall schematic of the wireless network card apparatus of the utility model preferred embodiments.
Fig. 2 is the internal structure schematic diagram of wireless network card apparatus shown in Figure 1.
Fig. 3 is the grounding path schematic diagram of antenna in the wireless network card apparatus shown in Figure 1.
Fig. 4 be wireless network card apparatus shown in Figure 1 return the loss schematic diagram.
The main element symbol description
| Wireless |
100 |
| The network |
11 |
| PCB | 12 |
| |
13 |
| |
14 |
| |
15 |
| The |
121 |
| Communication ends | 151 |
| |
152 |
| |
200 |
Following embodiment further specifies the utility model in connection with above-mentioned accompanying drawing.
Embodiment
See also Fig. 1 and Fig. 2, the utility model preferred embodiments provides a kind of wireless network card apparatus 100, comprise network interface card casing 11, printed circuit board (PCB) (Printed Circuit Board, PCB) 12, antenna 13, at least one connector 14 and communication interface 15.
Described PCB12 is roughly rectangular tabular, and it is installed in this network interface card casing 11.Be provided with access area 121 on this PCB12.
Described antenna 13 can be planar inverted-F antenna (Planar Inverted F Antenna, PIFA), unipole antenna, ceramic antenna etc., and it is installed in this network interface card casing 11, and is positioned at the side of described PCB12.The shape and the structure that are appreciated that described antenna 13 can be adjusted according to shape and the structure of described network interface card casing 11, and are attached at the inner surface of described network interface card casing 11, to save the inner space of described wireless network card apparatus 100.
In the present embodiment, the quantity of this connector 14 is two, and the two is metal clips.Described connector 14 is arranged on the opposite side of described PCB12, and is oppositely arranged with this antenna 13.This connector 14 all with described PCB12 on access area 121 be electrically connected.Be appreciated that this connector 14 can also make for wire or by other electric conducting materials.
This communication interface 15 is a USB (Universal Serial Bus, USB) interface, comprises that communication ends 151 and is wrapped in the shell 152 of these communication ends 151 outsides.This wireless network card apparatus 100 can be inserted on the electronic installation (not shown) such as computer or notebook computer by this communication ends 151.In the present embodiment, this shell 152 is part metals or all-metal construction.The metal part of this shell 152 is electrically connected with described connector 14.
See also Fig. 3, when described wireless network card apparatus 100 is inserted on this electronic installation by this communication ends 151, described PCB12 can be electrically connected by the ground plane 200 of this connector 14 and this shell 152 and this electronic installation, and then increase the contact area of described PCB12, effectively to widen the frequency range of described antenna 13.
What Figure 4 shows that described wireless network card apparatus 100 returns loss (return loss, RL) measurement result schematic diagram.By described measurement result as can be known, when this wireless network card apparatus 100 was worked under 824MHz-960MHz frequency range and 1710MHz-2170MHz frequency range, its return loss value all less than-6dB, all satisfied antenna work designing requirement.Be that described wireless network card apparatus 100 can be worked under a plurality of wireless communication frequency bands commonly used such as GSM/EGSM/DCS/PCS/WCDMA, effectively widened the frequency range of this antenna 13.
Be appreciated that on the described network interface card casing 11 also to be provided with accommodation section 111 that described communication interface 15 can be rotated by relatively described network interface card casing 11, and is contained in the described accommodation section 111, is beneficial to the miniaturization of described wireless network card apparatus 100.
Obviously, wireless network card apparatus 100 of the present utility model only needs to arrange described connector 14 on described PCB12, and the shell 152 of described communication interface 15 is set to part metals or all-metal construction, and then so that the grounding system of ground plane 200 completes of this connector 14, shell 152 and electronic installation can be passed through in the access area 121 on the described PCB12, increasing the contact area of described PCB12, and then effectively widen the frequency range of this antenna 13.Above-mentioned wireless network card apparatus 100 does not need additionally to arrange unnecessary radiant body again, can effectively save the installing space, is conducive to the miniaturization of wireless network card apparatus 100.
Claims (9)
1. a wireless network card apparatus comprises the network interface card casing, is arranged on printed circuit board (PCB), antenna and communication interface in the described network interface card casing, and described printed circuit board (PCB) comprises the access area; It is characterized in that: described wireless network card apparatus also comprises at least one connector, described at least one connector is arranged on the described printed circuit board (PCB), and all be electrically connected with described access area, described communication interface comprises shell, described shell is part metals or all-metal construction, the metal part of described shell is electrically connected with described at least one connector, when described wireless network card apparatus was inserted on the electronic installation by described communication interface, described printed circuit board (PCB) was electrically connected by the ground plane of described at least one connector and described shell and described electronic installation.
2. wireless network card apparatus as claimed in claim 1, it is characterized in that: described at least one connector is metal clips.
3. wireless network card apparatus as claimed in claim 1, it is characterized in that: described at least one connector is wire or is made by other electric conducting materials.
4. wireless network card apparatus as claimed in claim 1, it is characterized in that: described wireless network card apparatus is operated in the GSM/EGSM/DCS/PCS/WCDMA frequency range.
5. wireless network card apparatus as claimed in claim 1, it is characterized in that: described antenna is planar inverted-F antenna, unipole antenna or ceramic antenna.
6. wireless network card apparatus as claimed in claim 1, it is characterized in that: the shape of described antenna and structure are adjusted according to shape and the structure of described network interface card casing, and are attached at the inner surface of described network interface card casing.
7. wireless network card apparatus as claimed in claim 1, it is characterized in that: described communication interface also comprises communication ends, described wireless network card apparatus is inserted on the described electronic installation by this communication ends.
8. wireless network card apparatus as claimed in claim 1, it is characterized in that: described communication interface is USB interface.
9. wireless network card apparatus as claimed in claim 1 is characterized in that: also be provided with the accommodation section on the described network interface card casing, described communication interface can relatively described network interface card casing rotation, and is contained in the described accommodation section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300802 CN202750237U (en) | 2012-06-26 | 2012-06-26 | WLAN card device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220300802 CN202750237U (en) | 2012-06-26 | 2012-06-26 | WLAN card device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202750237U true CN202750237U (en) | 2013-02-20 |
Family
ID=47709582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220300802 Expired - Fee Related CN202750237U (en) | 2012-06-26 | 2012-06-26 | WLAN card device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202750237U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134863A (en) * | 2013-04-30 | 2014-11-05 | 深圳富泰宏精密工业有限公司 | Antenna assembly |
| CN112136164A (en) * | 2019-09-30 | 2020-12-25 | 深圳市大疆创新科技有限公司 | Support structure and movable platform |
-
2012
- 2012-06-26 CN CN 201220300802 patent/CN202750237U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104134863A (en) * | 2013-04-30 | 2014-11-05 | 深圳富泰宏精密工业有限公司 | Antenna assembly |
| CN112136164A (en) * | 2019-09-30 | 2020-12-25 | 深圳市大疆创新科技有限公司 | Support structure and movable platform |
| CN112136164B (en) * | 2019-09-30 | 2022-07-29 | 深圳市大疆创新科技有限公司 | Support structure and movable platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20130220 Termination date: 20190626 |