CN102377446A - Wireless USB (Universal Serial Bus) search network card - Google Patents
Wireless USB (Universal Serial Bus) search network card Download PDFInfo
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- CN102377446A CN102377446A CN2011102409565A CN201110240956A CN102377446A CN 102377446 A CN102377446 A CN 102377446A CN 2011102409565 A CN2011102409565 A CN 2011102409565A CN 201110240956 A CN201110240956 A CN 201110240956A CN 102377446 A CN102377446 A CN 102377446A
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Abstract
The invention relates to a wireless USB (Universal Serial Bus) search network card, which comprises a power module, an antenna, a short-wave radio frequency processing module, a radio transceiver module, a WLAN (Wireless Local Area Network) card module, a crystal oscillator and a USB interface module, wherein the antenna, the short-wave radio frequency processing module, a radio transceiver module, the WLAN card module and the USB interface module are connected in sequence; and the power module and the crystal oscillator are connected with the WLAN card module. According to the invention, the problems that a WLAN card cannot search whether a wireless network is available in an area until being connected with a computer, and the operation is fussy are solved by changing the internal structure of the wireless USB search network card; and under the condition that the wireless USB search network card is not connected with equipment, such as the computer and the like, an indication lamp is used for displaying whether a wireless network is available in the area and prompting whether the wireless network is encrypted, therefore operation time of users is effectively shortened.
Description
Technical field
The present invention designs a kind of wireless network card, has especially related to a kind of Wireless USB search for networks card, belongs to wireless communication field.
Background technology
Along with development of wireless communication devices; Wireless Communication Equipment has been broken the constraint of fixed network equipment installation environment; Dissimilar equipments for surfing the net emerges in an endless stream on the market at home, and the speed of wireless network is more and more faster, and stability is also become better and better; And the Wireless Communication Equipment of usb interface module is convenient relatively when using, and directly inserts USB and installs and drive the back and just can use.
But the radio network product of usb interface module in the market all need be connected with computer; And whether have wireless network signal can supply connect use, cannot on Wireless Communication Equipment, accomplish this work separately if could search the place, place behind the driver of packing into; And, Wireless Communication Equipment also need can know just whether the wireless sharing data encrypt complex operation when being connected the back and searching wireless network through software with computer through connecting.
Summary of the invention
In order to solve the problems of the technologies described above, the invention provides a kind of Wireless USB search for networks card, can not be connected with computer just can be independent do the wireless network function of searching, and whether the check wireless network is encrypted.
The technical scheme that the present invention adopted is: a kind of Wireless USB search for networks card; Comprise power module, antenna, short-wave radio frequency processing module, wireless set module, wireless interface module, crystal oscillator, usb interface module; Said antenna is connected with short-wave radio frequency processing module, wireless set module, wireless interface module, usb interface module successively, and said power module is connected with wireless interface module with crystal oscillator.
Aforesaid Wireless USB search for networks card is characterized in that: comprise an analog to digital converter in the said wireless interface module.
Aforesaid Wireless USB search for networks card is characterized in that: also comprise one with said wireless interface module in the NAND gate that is connected of HPI.
Aforesaid Wireless USB search for networks card is characterized in that: described usb interface module adopts USB2.0 as connecting interface.
Aforesaid Wireless USB search for networks card is characterized in that: the model of the wireless network card chip in the said wireless interface module is ZD1211.
Aforesaid Wireless USB search for networks card is characterized in that: the model of the transceiving machine chip in the said wireless set module is AL2230.
Aforesaid Wireless USB search for networks card is characterized in that: said crystal oscillator frequency is 40MHZ.
The invention has the beneficial effects as follows: can make under the situation that the Wireless USB search for networks is stuck in not with equipment such as computer are connected; Signal conveys through antenna is collected is handled to wireless interface module; And show the available wireless network that whether exists of region through indicator light; And point out wireless network whether to encrypt, effectively reduced the operating time for the user of service.
Description of drawings
Fig. 1 is that Wireless USB search for networks card module connects sketch map;
Fig. 2 is the HPI and the peripheral circuit sketch map thereof of wireless network card chip;
Fig. 3 is the analog to digital converter and the peripheral circuit sketch map thereof of wireless network card chip;
Fig. 4 is that the wireless network card chip is connected sketch map with the circuit of usb interface module;
Fig. 5 is that the wireless network card chip is connected sketch map with the circuit of crystal oscillator.
Embodiment
To combine Figure of description below, the present invention will be described further.
As shown in Figure 1; The present invention includes antenna, short-wave radio frequency processing module, wireless set module, wireless interface module, usb interface module module, power supply and crystal oscillator; Wherein, Antenna with short-wave radio frequency processing module, wireless set module, wireless interface module, the usb interface module module is two-way successively is connected, power supply is connected with wireless interface module with crystal oscillator.
As shown in Figure 2; The HPI interface of wireless network card chip is connected with the input of a NAND gate; The output of NAND gate connects LED lamp D4, LED lamp D5 and LED lamp D6 respectively, be respectively applied for whether have wireless access points near the indication Wireless USB search for networks card, whether have WiMAX, whether wireless network encrypt.
As shown in Figure 3, the input of the analog to digital converter in the wireless network card chip is connected with the signal output part of transceiving machine chip, becomes digital signal to be stored in the wireless network card chip analog signal conversion in the wireless set module.
As shown in Figure 4, the USB link in the wireless network card chip is connected with the USB2.0 interface, is used to realize that wireless network card is connected with exterior terminals such as computers.
As shown in Figure 5, the crystal oscillator input of wireless network card chip is connected with the external crystal-controlled oscillation of a 40MHZ.
After opening the power supply of Wireless USB search for networks card module; Receive wireless network signal through antenna; Then the wireless network signal that receives is sent to the short-wave radio frequency processing module; Convert the analog quantity of wireless network signal into digital quantity through analog to digital converter; And digital signal is sent to wireless interface module through the wireless set module, and handle the digital signal that sends over through wireless network card chip and peripheral circuit thereof, whether whether the wireless network signal of checking region available, encrypt; And will verify that structure amplifies signal through the amplifying circuit in the wireless interface module; Be corresponding LED light drive level be provided, thus can make just can be independent under the situation that the Wireless USB search for networks is stuck in not with equipment such as computer are connected do the wireless network function of searching.
Employed wireless set model is AL2230 among the present invention, and employed wireless network card chip is ZD1211.
In sum; Wireless USB search for networks card provided by the invention can not with situation that equipment such as computer are connected under; Signal conveys through antenna is collected is handled to wireless interface module; And show the available wireless network that whether exists of region through indicator light, and whether the prompting wireless network is encrypted.
More than show and described basic principle of the present invention, principal character and advantage.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection range by appending claims and equivalent circle thereof.
Claims (7)
1. Wireless USB search for networks card; It is characterized in that: comprise power module, antenna, short-wave radio frequency processing module, wireless set module, wireless interface module, crystal oscillator, usb interface module; Said antenna, short-wave radio frequency processing module, wireless set module, wireless interface module, usb interface module connect successively, and said power module is connected with wireless interface module respectively with crystal oscillator.
2. Wireless USB search for networks card according to claim 1 is characterized in that: comprise an analog to digital converter in the said wireless interface module.
3. Wireless USB search for networks card according to claim 1 and 2 is characterized in that: the HPI in the said wireless interface module, said HPI is connected with a NAND gate.
4. Wireless USB search for networks card according to claim 3 is characterized in that: described usb interface module adopts USB2.0 as connecting interface.
5. Wireless USB search for networks card according to claim 4 is characterized in that: the model of the wireless network card chip in the said wireless interface module is ZD1211.
6. Wireless USB search for networks card according to claim 5 is characterized in that: the model of the transceiving machine chip in the said wireless set module is AL2230.
7. Wireless USB search for networks card according to claim 6 is characterized in that: said crystal oscillator frequency is 40MHZ.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102409565A CN102377446A (en) | 2011-08-22 | 2011-08-22 | Wireless USB (Universal Serial Bus) search network card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102409565A CN102377446A (en) | 2011-08-22 | 2011-08-22 | Wireless USB (Universal Serial Bus) search network card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102377446A true CN102377446A (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102409565A Pending CN102377446A (en) | 2011-08-22 | 2011-08-22 | Wireless USB (Universal Serial Bus) search network card |
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| CN (1) | CN102377446A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441775A (en) * | 2013-07-19 | 2013-12-11 | 华中科技大学 | Self-driven wireless signal receiving-transmitting device |
| CN104519599A (en) * | 2013-09-30 | 2015-04-15 | 宁夏先锋软件有限公司 | USB wireless network card capable of displaying time and generating sound |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1870618A (en) * | 2005-05-27 | 2006-11-29 | 智捷科技股份有限公司 | Radio network device with signal testing function and its function switchover method |
| CN201018615Y (en) * | 2007-03-07 | 2008-02-06 | 山东省计算中心 | Portable wireless LAN tester |
| CN101453280A (en) * | 2007-11-30 | 2009-06-10 | 英业达股份有限公司 | Wireless network searching apparatus |
| CN201467462U (en) * | 2009-04-16 | 2010-05-12 | Tcl集团股份有限公司 | WIFI environment verifying device of mobile internet device |
| CN202261259U (en) * | 2011-08-22 | 2012-05-30 | 华容电子（昆山）有限公司 | Wireless USB searching network card |
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2011
- 2011-08-22 CN CN2011102409565A patent/CN102377446A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1870618A (en) * | 2005-05-27 | 2006-11-29 | 智捷科技股份有限公司 | Radio network device with signal testing function and its function switchover method |
| CN201018615Y (en) * | 2007-03-07 | 2008-02-06 | 山东省计算中心 | Portable wireless LAN tester |
| CN101453280A (en) * | 2007-11-30 | 2009-06-10 | 英业达股份有限公司 | Wireless network searching apparatus |
| CN201467462U (en) * | 2009-04-16 | 2010-05-12 | Tcl集团股份有限公司 | WIFI environment verifying device of mobile internet device |
| CN202261259U (en) * | 2011-08-22 | 2012-05-30 | 华容电子（昆山）有限公司 | Wireless USB searching network card |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441775A (en) * | 2013-07-19 | 2013-12-11 | 华中科技大学 | Self-driven wireless signal receiving-transmitting device |
| CN103441775B (en) * | 2013-07-19 | 2015-04-15 | 华中科技大学 | Self-driven wireless signal receiving-transmitting device |
| CN104519599A (en) * | 2013-09-30 | 2015-04-15 | 宁夏先锋软件有限公司 | USB wireless network card capable of displaying time and generating sound |
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Application publication date: 20120314 |