CN201515106U - Wireless USB hub - Google Patents
Wireless USB hub Download PDFInfo
- Publication number
- CN201515106U CN201515106U CN2009202353750U CN200920235375U CN201515106U CN 201515106 U CN201515106 U CN 201515106U CN 2009202353750 U CN2009202353750 U CN 2009202353750U CN 200920235375 U CN200920235375 U CN 200920235375U CN 201515106 U CN201515106 U CN 201515106U
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- CN
- China
- Prior art keywords
- wireless
- circuit
- usb hub
- wireless usb
- computer
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- 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 - Lifetime
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a wireless USB (universal serial bus) hub which comprises a hub casing. A rechargeable battery is arranged in the casing and respectively connected with a charging circuit, a wireless transmission module and a display circuit, wherein the charging circuit is respectively connected with a power supply switch and a charging socket; and a USB interface is connected on the wireless transmission module. By using the wireless USB hub, the function of wireless operation is fulfilled, wireless operation of the host of computer is also realized, a keyboard and a wireless mouse which serve the wireless function do not need to be specially equipped, the cable connection between externally-arranged equipment of the computer and the host of computer is reduced, the wireless USB hub and the wireless network equipment of 802.11a/b/g computer operate at different frequency points, and the mutual interference between the wireless USB hub and the wireless network equipment of 802.11a/b/g computer is little. In addition, the wireless USB hub uses UWB (ultra wide band) communication, so that the power spectral density of the wireless USB hub is low and the influence on other wireless communication equipment is small.
Description
Technical field
The utility model discloses a kind ofly, particularly a kind ofly be applicable to portable office occasion, make the direct-connected wireless usb hubs such as computer peripheral, mobile memory medium, digital camera of (USB) interface that has USB2.0
Background technology
At present, the interface of computer peripheral has multiple, but the most general is the USB2.0 interface, for example portable hard drive, USB flash disk, keyboard, mouse, digital camera and PDA etc. have the USB2.0 interface equipment, these computer peripherals connected by wired cable with being connected still of main frame, in the mobile office occasion, it is very in disorder that these external equipments connect portable computer by cable, the needs of incompatibility mobile office.Product wireless usb hub on the market and supporting with it host machine wired adapter (HWA) just can realize that the wireless high-speed of computer peripheral and main frame inserts, the common volume of host machine wired adapter is very little, it directly is inserted on the USB2.0 interface of main frame, and wireless usb hub has the USB2.0 interface that (contains four) more than four usually, computer peripheral is connected on the wireless usb hub by wired USB2.0 interface, wireless usb hub provides power supply for these computer peripheral equipments, wireless usb hub in the market generally is connected (220V) on the civil power by a power supply adaptor, so just cause wireless usb hub fast not move, reduced the mobility of the WiMAX access of computer peripheral equipment, because host machine wired adapter (HWA) is by the main frame power supply, it moves together in company with main frame.In order to promote the portable mobility of computer peripheral and wireless usb hub, make this kind wireless usb hub dispense with outer connecting power just can work, therefore need carry out portable design to general wireless usb hub.
Summary of the invention
Goal of the invention: technical problem to be solved in the utility model is at the deficiencies in the prior art, and a kind of wireless usb hub is provided.
Technical scheme: the utility model discloses a kind of wireless usb hub, the hub housing is provided with rechargeable battery in housing, and described rechargeable battery connects charging circuit, wireless transport module and display circuit respectively; Described charging circuit is connected with mains switch and charging socket respectively; Be connected with USB interface on the described wireless transport module.
In the utility model, preferably, described charging circuit comprises single-chip microcomputer, and described single-chip microcomputer is connected with voltage stabilizing circuit, switching circuit, charging indication, temperature measuring circuit and current/voltage testing circuit respectively; Described voltage stabilizing circuit also is communicated with switching circuit, charge protector and rectification circuit respectively, and described rectification circuit is communicated with transforming circuit.
In the utility model, preferably, described rechargeable battery is a charged lithium cells.
Beneficial effect: after using wireless usb hub described in the utility model, can realize the radio operation function, make the operational computations machine host realize wireless penetration, and do not need special configuration to possess the keyboard and the wireless mouse of radio function.If keyboard and and the distance of mouse and main frame be not more than 10 meters, for the occasion that shows direct projection large screen, can directly operate by this wireless usb hub main frame, keyboard and and mouse can be in the room move and dispense with outer connecting power arbitrarily.For keyboard and and the such operation of mouse, data rate is very low, and for mobile memory medium or digital camera, then needs transferring large number of data.Message transmission rate between this wireless usb hub and the main frame is up to 480Mbit/S, can satisfy portable hard drive fully, USB flash disk, comprise the requirement of high-speed radio transmission data between MP3, PDA and the main frame, its maximum characteristics are that move media directly inserts wireless usb hub, dispense with outer connecting power just can be realized and the main frame swap data, and these move medias can move arbitrarily in the room with wireless usb hub.Printer with USB2.0 interface is present also comparatively common, as long as this wireless usb hub is placed on the printer limit, direct between the USB2.0 interface of wireless usb hub and printer, just can realize the wireless high-speed printing.In addition, in circumference was no more than 10 meters room, because main frame is connected without any cable with computer peripheral equipment, main frame can move arbitrarily, can realize the business such as operation, transfer of data and printing to main frame.Some occasion is for example demonstrated hall, exhibit halls, vehicle-mounted commander compartment, underground command post use this wireless usb hub, significantly reducing various computer peripheral equipments is connected with the cable of main frame, and its working frequency points and 802.11a/b/g wireless computer network equipment work are at different frequencies, the phase mutual interference is little, this wireless usb hub uses UWB communication, its power spectral density low (maximum power spectrum for-41.3dBm/MHz), little to other Wireless Telecom Equipments influences.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is done further to specify, above-mentioned and/or otherwise advantage of the present utility model will become apparent.
Fig. 1 is an electrical block diagram of the present utility model.
Fig. 2 is a charging circuit part-structure schematic diagram in the utility model.、
Fig. 3 a and Fig. 3 b use structural representation in the utility model reality.
Fig. 4 is transfer of data schematic diagram in the utility model use.
Embodiment:
Shown in Fig. 1 and Fig. 3 a and Fig. 3 b, the utility model discloses a kind of wireless usb hub, hub housing 1 is provided with rechargeable battery 2 in housing 1, and described rechargeable battery 2 connects charging circuit 3, wireless transport module 4 and display circuit 5 respectively; Described charging circuit 3 is connected with mains switch 6 and charging socket 7 respectively; Be connected with USB interface 8 on the described wireless transport module 4.
As shown in Figure 2, charging circuit 3 described in the utility model comprises single-chip microcomputer 9, and described single-chip microcomputer 9 is connected with voltage stabilizing circuit 10, switching circuit 11, charging indication 12, temperature measuring circuit 13 and current/voltage testing circuit 14 respectively; Described voltage stabilizing circuit 10 also is communicated with charge protector 15 rectification circuits 16 and described switching circuit 11 respectively, and described rectification circuit 16 is communicated with transforming circuit 17, and charge power supply is communicated with transforming circuit 17.
Rechargeable battery described in the utility model 2 is a charged lithium cells.Adopt four small-sized lithium electricity as charge power supply, every batteries is 5V, 1100mAH, and total capacity is 4400mAH, and rechargeable battery is charged by charging circuit, and the electric weight of battery is shown by display circuit, shows the size of electric weight.When wireless usb hub and main frame established a communications link, wireless communication link was set up indicator light and is dodged slowly, and communication has four kinds of modes: comprise control transmission, synchronous transmission, interruption transmission and bulk transfer.Four USB interface are the interfaces that connect peripheral hardwares such as keyboard, mouse, mobile memory medium, digital camera.
The utility model adopts the machine-shaping of ABS engineering plastics, built-in communication antenna is vertical with the antenna of host machine wired adapter, structural material can be ignored to the influence of signal of communication power spectrum, before using, install driver on main frame, when wireless hub and main frame set up link after, the intensity of display radio signal on main frame, when signal strength signal intensity reached 100%, the expression signal was the strongest.Fine rotation wireless usb hub on the table just can be adjusted the intensity of wireless signal, and this working method is to carry out ultra-wideband communications with vertically polarized wave.
As shown in Figure 4, the outbound data transmission annexation and the occupation mode of the utility model wireless usb hub are as shown below, keyboard, MouseAcross are crossed wired USB2.0 interface and are connected with wireless usb hub, host adapter directly is inserted on the USB2.0 socket of main frame or notebook computer, and keyboard, mouse can be to the direct radio operations of computer.Other mobile memory mediums directly are inserted in wireless usb hub, but high-speed radio inserts computer at a high speed, at a time, can only have a wireless usb hub to set up with main frame links, the address of certain wireless usb hub need be set on main frame, main frame is just set up wireless link with it, if need to link with other wireless usb hubs foundation, must withdraw from the address that a back wireless usb hub is set again earlier and get final product.The matching used host machine wired adapter of the utility model wireless usb hub can be used Y-E DATA company product.
The power supply design of wireless usb hub described in the utility model should consider that power supply capacity is big, and the reliability height considers it is rechargeable type again, and volume is little, and it is light that weight is wanted.Also to consider in addition easy to carry, the office occasion be easy to be connected with computer.The ultra-wideband communications (UWB) that portable mobile wireless usb hub and host adapter use, working frequency range are at 4.488GHz ± 264MHz, and after placing naturally, the signal strength signal intensity of radio communication is unaffected.
It is little that lithium ion battery described in the utility model has an operating voltage height, energy density height, memory-less effect, self discharge, characteristics such as have extended cycle life in this kind wireless usb hub, adopt four joint lithium ion batteries, battery capacity reaches 4400mAH, and output voltage is 5V.Charging circuit should satisfy sufficient actual capacity, to prolong the once charging service time of battery, strictness prevents to overcharge again simultaneously, and charging current will have certain limitation in addition, overheated to prevent battery, safe and reasonable ground shortens the charging interval to reach the convenient purpose of using.Charging process is divided into four-stage, is respectively preliminary filling, fills soon, completely fills and ends charging (charging current reduces to zero gradually), four-stage trickle charge.For managing charging process effectively, to adding charging voltage (supply voltage), battery terminal voltage, charging current and battery temperature detect in real time, by single-chip microcomputer charging process are controlled.
The utility model provides a kind of thinking and method of wireless usb hub; the method and the approach of this technical scheme of specific implementation are a lot; the above only is a preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.The all available prior art of each part not clear and definite in the present embodiment is realized.
Claims (3)
1. wireless usb hub, hub housing (1) is characterized in that, is provided with rechargeable battery (2) in housing (1), described rechargeable battery (2) connects charging circuit (3), wireless transport module (4) and display circuit (5) respectively; Described charging circuit (3) is connected with mains switch (6) and charging socket (7) respectively; Be connected with USB interface (8) on the described wireless transport module (4).
2. a kind of wireless usb hub according to claim 1, it is characterized in that, described charging circuit (3) comprises single-chip microcomputer (9), and described single-chip microcomputer (9) is connected with voltage stabilizing circuit (10), switching circuit (11), charging indication (12), temperature measuring circuit (13) and current/voltage testing circuit (14) respectively; Described voltage stabilizing circuit (10) also is communicated with charge protector (15), rectification circuit (16) and described switching circuit (11) respectively, and described rectification circuit (16) is communicated with transforming circuit (17).
3. a kind of wireless usb hub according to claim 1 is characterized in that, described rechargeable battery (2) is a charged lithium cells.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202353750U CN201515106U (en) | 2009-10-20 | 2009-10-20 | Wireless USB hub |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202353750U CN201515106U (en) | 2009-10-20 | 2009-10-20 | Wireless USB hub |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201515106U true CN201515106U (en) | 2010-06-23 |
Family
ID=42486517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202353750U Expired - Lifetime CN201515106U (en) | 2009-10-20 | 2009-10-20 | Wireless USB hub |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201515106U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107632725A (en) * | 2017-09-18 | 2018-01-26 | 合肥贯硕信息科技有限公司 | A kind of computer input |
| WO2023006486A1 (en) * | 2021-07-26 | 2023-02-02 | Flexoptix GmbH | Adapter, transceiver system and method for operating an adapter |
-
2009
- 2009-10-20 CN CN2009202353750U patent/CN201515106U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107632725A (en) * | 2017-09-18 | 2018-01-26 | 合肥贯硕信息科技有限公司 | A kind of computer input |
| WO2023006486A1 (en) * | 2021-07-26 | 2023-02-02 | Flexoptix GmbH | Adapter, transceiver system and method for operating an adapter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100623 |
|
| CX01 | Expiry of patent term |