CN201266934Y - Bluetooth wireless hub and apparatus based on Bluetooth wireless transmission - Google Patents
Bluetooth wireless hub and apparatus based on Bluetooth wireless transmission Download PDFInfo
- Publication number
- CN201266934Y CN201266934Y CNU2008200650781U CN200820065078U CN201266934Y CN 201266934 Y CN201266934 Y CN 201266934Y CN U2008200650781 U CNU2008200650781 U CN U2008200650781U CN 200820065078 U CN200820065078 U CN 200820065078U CN 201266934 Y CN201266934 Y CN 201266934Y
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Abstract
A Bluetooth wireless hub comprises a microprocessor, a Bluetooth circuit, a USB interface control circuit, a hub circuit, and a power supply circuit. A device based on Bluetooth wireless transmission consists of a Bluetooth adapter and the Bluetooth wireless hub; the Bluetooth adapter is connected with a computer through a USB interface, sends out signals received from the computer in the form of electromagnetic wave, and transmits wireless pulse signals received from the Bluetooth wireless hub to the computer; the Bluetooth wireless hub is at least provided with two USB interfaces and connected with external devices by the USB interfaces, transmits the wireless pulse signals received from the Bluetooth adapter to the external devices, and sends the signals received from the external devices in the form of electromagnetic wave. The wireless transmission device effectively solves the difficult problems that the USB interfaces of the computer can not meet the demands of the increasing external devices and the wiring is complex, and facilitates the operation of users.
Description
Technical field
The utility model belongs to wireless communication technology field, realizes the radio transmitting device of signal transmission between particularly a kind of computer and the external equipment.
Background technology
Along with the equipment that uses USB interface (USB (universal serial bus)) is more and more, not enough situation often appears in USB interface of computer, wired USB interface hub (being called for short USB HUB) although expansion interface can be provided, can cause the wiring confusion, the difficulty of plug inconvenience.Though now occurred as external equipments such as wireless printer, Wireless Keyboard, unlimited mouse, wireless controllers, can solve the problem of plug wire confusion, but can only provide man-to-man wireless transmission, if be equipped with multiple radio peripheral equipment, cost is higher concerning domestic consumer and little company, and inconvenience is carried in user's out using, and too much plug also can be behaved with installation and be denounced.
MSI (Microstar) company, Dtech (Supreme Being spy) company once released the product of bluetooth USB HUB by name, but its essence is still common wired USB HUB, only added a Bluetooth adapter and be used to connect bluetooth cellular phone, can not make the external equipment of generic USB interface become wireless device.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of Bluetooth wireless hub with based on the device of Bluetooth wireless transmission, this kind Bluetooth wireless hub can connect the external equipment of a plurality of generic USB interfaces, match with Bluetooth adapter, can make the external equipment of its connection and the transmission of the signal between the computer realize wireless transmission.
Bluetooth wireless hub described in the utility model (HUB) comprises microprocessor, Bluetooth circuit, usb control circuit, hub circuit and power circuit; Hub circuit is provided with two USB interface at least, is connected with external equipment by described USB interface, receives from the signal of external equipment with to external equipment and sends signal; Usb control circuit is connected with microprocessor with hub circuit, is operated in host mode, will send microprocessor to from the external equipment signal of hub circuit, will send hub circuit to from the signal of microprocessor; Bluetooth circuit is connected with microprocessor, will launch with the electromagnetic wave form from the signal of microprocessor, sends the received wireless pulse signals from Bluetooth adapter to microprocessor; Microprocessor will send usb control circuit to after the signal processing from Bluetooth circuit, will send Bluetooth circuit to after the signal processing from usb control circuit; Power circuit is connected with microprocessor, usb control circuit, Bluetooth circuit respectively, and for they provide working power, usb control circuit provides working power for hub circuit.
According to using needs, preferred 4～8 of the set USB interface of hub circuit.
Device based on Bluetooth wireless transmission described in the utility model is made up of the Bluetooth wireless hub (HUB) of Bluetooth adapter and said structure; Bluetooth adapter is launched the signal from computer that is received by USB interface and computer wired connection with the electromagnetic wave form, send the wireless pulse signals from Bluetooth wireless hub that receives to computer; Bluetooth wireless hub (HUB) is connected with external equipment by USB interface, sends the received wireless pulse signals from Bluetooth adapter to external equipment, and the received signal from external equipment is launched with the electromagnetic wave form.Use Bluetooth communication protocol between Bluetooth adapter and the Bluetooth wireless hub (HUB).
Bluetooth adapter has the commercial goods, can buy, and also has patent document to disclose simultaneously, for example patent No. ZL02244458.0 utility application.
The utlity model has following beneficial effect:
1, because Bluetooth wireless hub can connect the external equipment of a plurality of generic USB interfaces, the received signal from external equipment is launched with the electromagnetic wave form, send received wireless pulse signals to external equipment from Bluetooth adapter, therefore it is combined to form device based on Bluetooth wireless transmission with Bluetooth adapter and can makes signal transmission realization wireless transmission between computer and the external equipment, has solved the computer USB interface effectively and can not satisfy the demand of increasing external equipment and the difficult problem of line complexity.
2, use the USB interface hub based on Bluetooth wireless transmission described in the utility model, both can user friendlyly operate, can be the user again and reduce expenses.
Description of drawings
Fig. 1 is the structured flowchart of Bluetooth wireless hub described in the utility model;
Fig. 2 is the structured flowchart of the device based on Bluetooth wireless transmission described in the utility model;
Fig. 3 is a kind of electrical schematic diagram of microprocessor;
Fig. 4 is a kind of electrical schematic diagram of Bluetooth circuit;
Fig. 5 is a kind of electrical schematic diagram of usb control circuit and hub circuit;
Fig. 6 is a kind of circuit theory diagrams of power circuit;
Fig. 7 is a kind of use reference diagram of the device based on Bluetooth wireless transmission described in the utility model;
Fig. 8 is that another of the device based on Bluetooth wireless transmission described in the utility model used reference diagram.
Among the figure, 1-Bluetooth wireless hub, 2-microprocessor, 3-Bluetooth circuit, 4-usb control circuit, 5-hub circuit, 6-power circuit, 7-antenna, 8-Bluetooth adapter, 9-computer A, 10-keyboard, 11-mouse, 12-handle, 13-computer B, 14-computer C, 15-computer D, 16-printer, 17-local area network (LAN).
Embodiment
Below in conjunction with accompanying drawing, the structure and the occupation mode of the USB interface hub based on Bluetooth wireless transmission described in the utility model is described further.
In the present embodiment, the structure of Bluetooth wireless hub 1 comprises microprocessor 2, Bluetooth circuit 3, usb control circuit 4, hub circuit 5 and power circuit 6 as shown in Figure 1; Hub circuit 5 is connected with external equipment by its contained USB interface, receives from the signal of external equipment with to external equipment and sends signal; Usb control circuit 4 is connected with microprocessor 2 with hub circuit 5, will send microprocessor 2 to from the external equipment signal of hub circuit 5, will send hub circuit 5 from the signal of microprocessor 2 to; Bluetooth circuit 3 is connected with microprocessor 2 and is connected to antenna 7, will launch with the electromagnetic wave form from the signal of microprocessor 2, sends the received wireless pulse signals from Bluetooth adapter to microprocessor 2; Microprocessor 2 will send usb control circuit 4 to after the signal processing from Bluetooth circuit 3, will send Bluetooth circuit 3 to after the signal processing from usb control circuit 4; Power circuit 6 is connected with microprocessor 2, usb control circuit 4, Bluetooth circuit 3 respectively, and for they provide working power, usb control circuit 4 provides working power for hub circuit 5.
Bluetooth circuit 3 in the Bluetooth wireless hub 1 selects for use the Bluetooth chip of model BlueCore4-External as core circuit (chip), Flash (flash memory) memory of being furnished with 8M, use the 3.3V power supply, oscillator (being illustrated as XT100) provides the external clock of 26MHz, and its electrical schematic diagram as shown in Figure 4.As can be seen from Figure 4: data-interface adopts SPI (high-speed synchronous serial) hardware programming interface, so that test point is provided and plays interconnect function, also drawn UART (universal asynchronous reception/dispensing device) interface and USB (USB interface) interface, wherein PIO (input and output pin able to programme) 2, PIO (input and output pin able to programme) 5 and PIO (input and output pin able to programme) the 6th are connected with the exchanges data of microprocessor master controller for convenience of Bluetooth chip.At the less radio-frequency transmitting terminal, L101, L102, C113 and C114 form matching network, and the output impedance of Bluetooth chip is matched to 50 required Ω standard input impedance of balun (being illustrated as T100).Balun is unbalanced by converting to of balance with RF (less radio-frequency) signal, the dc offset voltage that it need be provided by the LC low pass filter that L100 and C112 form.Delivering to antenna (being illustrated as ANT100) later on by bluetooth filter F100 filtering again through the radio frequency signal of conversion launches.
The electrical schematic diagram of the power circuit in the Bluetooth wireless hub 1 as shown in Figure 6, provide direct voltage by a battery case, transforming through the voltage control chip of model LM2941S provides 5V burning voltage, and can be respectively provides 3.3v and 1.8v voltage by the voltage transitions chip conversion of model XC6219A332MR and model 1117.
In the present embodiment, based on the device of Bluetooth wireless transmission as shown in Figure 2, form by Bluetooth adapter 8 and Bluetooth wireless hub 1, Bluetooth adapter 8 is connected with computer by USB interface, Bluetooth wireless hub 1 is connected with external equipment by USB interface, use Bluetooth communication protocol between Bluetooth adapter and the Bluetooth wireless hub (HUB), the signal of computer being exported by wireless transmission method sends external equipment to, the computer that sends to the external equipment output signal makes between computer and the external equipment and realizes radio communication.
The structure of above-mentioned Bluetooth adapter 8 is that patent No. ZL02244458.0 is described, comprises USB interface, microstrip antenna, bluetooth module and voltage conversion circuit.The concrete structure of bluetooth module and voltage conversion circuit is seen embodiment and the Figure of description of ZL02244458.0.
The structure of above-mentioned Bluetooth wireless hub 1 is identical with embodiment 1.
Present embodiment is a kind of occupation mode of the described USB interface hub based on Bluetooth wireless transmission of embodiment 1.As shown in Figure 7, Bluetooth adapter 8 and computer A wired connection, keyboard 10, mouse 11, handle 12 are connected with a USB interface of Bluetooth wireless hub 1 respectively, adopt this kind connected mode, can realize the operation of computer.
Present embodiment is another occupation mode of the described USB interface hub based on Bluetooth wireless transmission of embodiment 1.As shown in Figure 8, Bluetooth adapter 8 and computer B wired connection, printer 16 is connected with a USB interface of Bluetooth wireless hub 1, computer C, computer D and computer B are connected on the same local area network (LAN) 17, adopt this kind connected mode, can realize computer B, computer C and computer D printer sharing 16.
Claims (3)
1, a kind of Bluetooth wireless hub is characterized in that comprising microprocessor (2), Bluetooth circuit (3), usb control circuit (4), hub circuit (5) and power circuit (6);
Hub circuit (5) is provided with two USB interface at least, is connected with external equipment by described USB interface, receives from the signal of external equipment with to external equipment and sends signal;
Usb control circuit (4) is connected with microprocessor (2) with hub circuit (5), be operated in host mode, microprocessor (2) will be sent from the external equipment signal of hub circuit (5) to, hub circuit (5) will be sent to from the signal of microprocessor (2);
Bluetooth circuit (3) is connected with microprocessor (2), will launch with the electromagnetic wave form from the signal of microprocessor (2), sends the received wireless pulse signals from Bluetooth adapter to microprocessor (2);
Microprocessor (2) will send usb control circuit (4) to after the signal processing from Bluetooth circuit (3), will send Bluetooth circuit (3) to after the signal processing from usb control circuit (4);
Power circuit (6) is connected with microprocessor (2), usb control circuit (4), Bluetooth circuit (3) respectively, and for they provide working power, usb control circuit (4) provides working power for hub circuit (5).
2, Bluetooth wireless hub according to claim 1 is characterized in that the set USB interface of hub circuit (5) is 4～8.
3, a kind of device based on Bluetooth wireless transmission is characterized in that being made up of Bluetooth adapter (8) and Bluetooth wireless hub (1);
Bluetooth adapter (8) is launched the signal from computer that is received by USB interface and computer wired connection with the electromagnetic wave form, send the wireless pulse signals from Bluetooth wireless hub (1) that receives to computer;
Bluetooth wireless hub (1) is made up of microprocessor (2), Bluetooth circuit (3), usb control circuit (4), hub circuit (5) and power circuit (6),
Hub circuit (5) is provided with two USB interface at least, is connected with external equipment by described USB interface, and receive from the signal of external equipment with to external equipment and send signal,
Usb control circuit (4) is connected with microprocessor (2) with hub circuit (5), be operated in host mode, microprocessor (2) will be sent from the external equipment signal of hub circuit (5) to, hub circuit (5) will be sent to from the signal of microprocessor (2)
Bluetooth circuit (3) is connected with microprocessor (2), will launch with the electromagnetic wave form from the signal of microprocessor (2), sends the received wireless pulse signals from Bluetooth adapter to microprocessor (2),
Microprocessor (2) will send usb control circuit (4) to after the signal processing from Bluetooth circuit (3), will send Bluetooth circuit (3) to after the signal processing from usb control circuit (4),
Power circuit (6) is connected with microprocessor (2), usb control circuit (4), Bluetooth circuit (3) respectively, and for they provide working power, usb control circuit (4) provides working power for hub circuit (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200650781U CN201266934Y (en) | 2008-09-11 | 2008-09-11 | Bluetooth wireless hub and apparatus based on Bluetooth wireless transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200650781U CN201266934Y (en) | 2008-09-11 | 2008-09-11 | Bluetooth wireless hub and apparatus based on Bluetooth wireless transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201266934Y true CN201266934Y (en) | 2009-07-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200650781U Expired - Lifetime CN201266934Y (en) | 2008-09-11 | 2008-09-11 | Bluetooth wireless hub and apparatus based on Bluetooth wireless transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201266934Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634976B (en) * | 2009-08-27 | 2012-02-29 | 中兴通讯股份有限公司 | Method and terminal for providing Bluetooth function for computer |
-
2008
- 2008-09-11 CN CNU2008200650781U patent/CN201266934Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101634976B (en) * | 2009-08-27 | 2012-02-29 | 中兴通讯股份有限公司 | Method and terminal for providing Bluetooth function for computer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090701 Effective date of abandoning: 20080911 |