CN203014081U - USB deconcentrator and USB deconcentrator circuit - Google Patents
USB deconcentrator and USB deconcentrator circuit Download PDFInfo
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- CN203014081U CN203014081U CN 201220710519 CN201220710519U CN203014081U CN 203014081 U CN203014081 U CN 203014081U CN 201220710519 CN201220710519 CN 201220710519 CN 201220710519 U CN201220710519 U CN 201220710519U CN 203014081 U CN203014081 U CN 203014081U
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Abstract
The utility model relates to a USB deconcentrator circuit comprising a contact spring sheet core and a detection identification module. The contact spring sheet core consists of a USB signal line pin, a USB power line pin, a memory card signal line pin, a memory card power line pin and a detection pin; and the detection pin is used for detecting data storage equipment connected with a USB deconcentrator. If the detected data storage equipment is a USB interface data storage device, the contact spring sheet core is used for transmitting data stored in the USB interface data storage device; and if the detected data storage equipment is a memory card, the detection identification module is used for scanning the memory card and making read-write preparation and the contact spring sheet core is used for transmitting the data stored in the memory card. Therefore, after the contact spring sheet core determines the type of the data storage equipment, the contact spring sheet core and the detection identification module correspondingly transmit data in the data storage equipment and realize integrated transmission of the data in the USB interface data storage device and the memory card. In addition, a USB deconcentrator is also provided.
Description
Technical field
The utility model relates to USB interface, particularly relates to a kind of simple in structure, USB deconcentrator and USB deconcentrator circuit that volume is little.
Background technology
Along with the development of movable storage device, the use of movable storage device is more and more extensive.In general, movable storage device can adopt the USB interface the transmission of data.But, also have a lot of movable storage devices to adopt RAM (random access memory) card as memory space.Thereby, the coffret of two types of USB interface and internal memory card interfaces has just appearred in transfer of data.USB interface is of a size of 4.5*12mm, and the RAM (random access memory) card size is generally 14*2mm.Thereby the coffret of the movable storage device increase that takes up space, thereby cause movable storage device must reserve enough spaces in appearance design and place USB interface and internal memory card interface, cause the movable storage device complex structural designs, can't realize the miniaturization of product.
The utility model content
Based on this, provide a kind of simple in structure, USB deconcentrator circuit that volume is little.
A kind of USB deconcentrator circuit comprises the contact flat spring fuse and detects identification module;
Described contact flat spring fuse comprises usb signal wire pin, USB power line pin, RAM (random access memory) card holding wire pin, RAM (random access memory) card power line pin and detects pin;
Described detection identification module comprises usb signal line cap, USB power line port, RAM (random access memory) card holding wire port, RAM (random access memory) card power line port and detection port; Described usb signal line cap, USB power line port, RAM (random access memory) card holding wire port, RAM (random access memory) card power line port and detection port are with described usb signal wire pin, USB power line pin, RAM (random access memory) card holding wire pin, RAM (random access memory) card power line pin and detect the corresponding connection of pin;
Described detection pin is for detection of the data storage device that is connected with described USB deconcentrator;
If the data storage device that detects is the USB interface data storage device, described contact flat spring fuse is used for transmitting the data of described USB interface data storage device;
If the data storage device that detects is RAM (random access memory) card, described detection identification module is used for that described RAM (random access memory) card is scanned and do read-write to be prepared, and described contact flat spring fuse is used for transmitting the data of described RAM (random access memory) card.
In embodiment, also comprise divider resistance, between the common port after described divider resistance is series at positive source and described detection pin and described detection port are connected therein.
In embodiment, described usb signal wire pin comprises USB positive signal line, USB negative signal line therein;
Described USB power line pin comprises USB power line negative input, USB power line electrode input end;
Described RAM (random access memory) card holding wire pin comprises the internal memory card interface data wire No. 0, No. 1, internal memory card interface data wire, No. 2, internal memory card interface data wire, No. 3, internal memory card interface data wire and internal memory card interface input end of clock;
Described RAM (random access memory) card power line pin comprises internal memory card interface power supply positive input terminal and internal memory card interface power-input;
Described contact flat spring fuse also comprises grounding pin.
Therein in embodiment, described detection pin is when data storage device being detected and be RAM (random access memory) card, and described detection pin is connected with described internal memory card interface power-input.
In embodiment, described usb signal port pinout comprises USB positive signal port, USB negative signal port therein;
Described USB power line port comprises USB power line negative input mouth, USB power line electrode input end mouth;
Described RAM (random access memory) card holding wire port comprises No. 0 port of internal memory card interface data wire, No. 1 port of internal memory card interface data wire, No. 2 ports of internal memory card interface data wire, No. 3 ports of internal memory card interface data wire and internal memory card interface input end of clock mouth;
Described RAM (random access memory) card power line port comprises internal memory card interface power supply positive input port and internal memory card interface power-input port;
Described detection identification module also comprises grounding ports.
In embodiment, described RAM (random access memory) card is the TF card therein.
In embodiment, described detection identification module is microcontroller therein.
The data storage device type that above-mentioned USB deconcentrator circuit connects by contact flat spring fuse judgement USB deconcentrator, and then by contact flat spring fuse and the common function of reading out data from data storage device fully of detection identification module.Due to the contact flat spring fuse with detect identification module and can transmit simultaneously data in USB interface data storage device and RAM (random access memory) card.Thereby, after contact flat spring fuse judgement data storage device type, contact flat spring fuse and detect the data in corresponding the transmission of data memory device of identification module, and then realize the one transmission of data in USB interface data storage device and RAM (random access memory) card.
In addition, also provide a kind of simple in structure, USB deconcentrator that volume is little.
A kind of USB deconcentrator is used for reading the equipment that USB interface data storage device and RAM (random access memory) card are stored, and comprises above-mentioned USB deconcentrator circuit, contact flat spring and support;
Described contact flat spring is used for being connected with the described contact flat spring fuse of described USB deconcentrator circuit;
Described support is used for supporting described contact flat spring, and described contact flat spring is divided into the first contact-making surface and the second contact-making surface; Described the first contact-making surface is used for the interface of contact USB interface data storage device, and described the second contact-making surface is used for contacting the interface of described RAM (random access memory) card.
In embodiment, also comprise shell therein, described shell is used for accommodating described USB deconcentrator circuit, described contact flat spring and described support.
In embodiment, described support is plastic rubber bracket therein, and described shell is hardware casing.
Above-mentioned USB deconcentrator is identified USB interface data storage device and RAM (random access memory) card by USB deconcentrator circuit, and then the one of data in USB interface data storage device and RAM (random access memory) card is transmitted.Owing to adopting support that contact flat spring is divided into the first contact-making surface and the second contact-making surface, make the transfer of data that realizes two types of data storage devices in the same space, reasonably optimizing utilizes the space.
Description of drawings
Fig. 1 is the schematic diagram of USB deconcentrator circuit;
Fig. 2 is the structural representation of USB deconcentrator;
Fig. 3 is the combining structure schematic diagram of USB deconcentrator.
Embodiment
As shown in Figure 1, be the schematic diagram of USB deconcentrator circuit.
A kind of USB deconcentrator circuit comprises contact flat spring fuse 101 and detects identification module 103.
Contact flat spring fuse 101 comprises usb signal wire pin, USB power line pin, RAM (random access memory) card holding wire pin, RAM (random access memory) card power line pin and detects pin.
Detect identification module 103 and comprise usb signal line cap, USB power line port, RAM (random access memory) card holding wire port, RAM (random access memory) card power line port and detection port.
Usb signal line cap, USB power line port, RAM (random access memory) card holding wire port, RAM (random access memory) card power line port and detection port are with usb signal wire pin, USB power line pin, RAM (random access memory) card holding wire pin, RAM (random access memory) card power line pin and detect the corresponding connection of pin.
Detect pin for detection of the data storage device that is connected with the USB deconcentrator.
If the data storage device that detects is the USB interface data storage device, contact flat spring fuse 101 is used for the data of transmission USB interface data storage device;
If the data storage device that detects is RAM (random access memory) card, detect identification module and be used for internal memory is sticked into line scanning and does read-write and prepare, contact flat spring fuse 101 is used for the data of transmission RAM (random access memory) card.
Contact flat spring fuse 101 is used for the connection data memory device and detects identification module 103.Particularly, contact flat spring fuse 101 comprises access pin and output pin, wherein, the access pin is connected with the data storage device of outside, and output pin is usb signal wire pin, USB power line pin, RAM (random access memory) card holding wire pin, RAM (random access memory) card power line pin and detects pin etc.Thereby contact flat spring fuse 101 plays the transfer of data effect between data storage device and detection identification module 103.
Detect the type that identification module 103 is used for judging the data storage device that is connected with contact flat spring fuse 101.When the judgement data storage device is the USB interface data storage device, control contact flat spring fuse 101 by the data in usb data host-host protocol read-write USB interface data storage device.When the judgement data storage device is that RAM (random access memory) card is, control contact flat spring fuse 101 by the data in RAM (random access memory) card Data Transport Protocol read/write memory card.
Particularly, the usb signal wire pin comprises USB positive signal line USB-DP, USB negative signal line USB-DM.
USB power line pin comprises USB power line negative input USB-GND, USB power line electrode input end USB-5V.
RAM (random access memory) card holding wire pin comprises No. 0 SD-DATA0 of internal memory card interface data wire, No. 1 SD-DATA1 of internal memory card interface data wire, No. 2 SD-DATA2 of internal memory card interface data wire, No. 3 SD-DATA3 of internal memory card interface data wire and internal memory card interface input end of clock SD-CLK.
RAM (random access memory) card power line pin comprises internal memory card interface power supply positive input terminal SD-VCC and internal memory card interface power-input SD-GND.
Contact flat spring fuse 101 also comprises grounding pin GND and functional pin SD-CMD.
Detect pin SD-DETECT when data storage device being detected and be RAM (random access memory) card, detect pin SD-DETECT and be connected with internal memory card interface power-input SD-GND.
Corresponding, the usb signal port pinout comprises USB positive signal port USB-DP, USB negative signal port USB-DM.
USB power line port comprises USB power line negative input mouth (not shown), USB power line electrode input end mouth (not shown).
RAM (random access memory) card holding wire port comprises No. 0 port GPIO F0 of internal memory card interface data wire, No. 1 port GPIO F1 of internal memory card interface data wire, No. 2 port DATA2 of internal memory card interface data wire, No. 3 port DATA3 of internal memory card interface data wire and internal memory card interface input end of clock mouth CLK.
RAM (random access memory) card power line port comprises internal memory card interface power supply positive input port (not shown) and internal memory card interface power-input port (not shown).
Detect identification module and also comprise grounding ports (not shown) and function port CMD.
USB deconcentrator circuit also comprises divider resistance, between the common port after divider resistance is series at positive source VCC and detection pin SD-DETECT and detection port SD-DETECTION are connected.
Corresponding, USB positive signal line USB-DP is connected with USB positive signal port USB-DP, and USB negative signal line USB-DM is connected with USB negative signal port USB-DM.
USB power line negative input USB-GND ground connection, USB power line electrode input end USB-5V is connected with positive source.
No. 0 SD-DATA0 of internal memory card interface data wire, No. 1 SD-DATA1 of internal memory card interface data wire, No. 2 SD-DATA2 of internal memory card interface data wire, No. 3 SD-DATA3 of internal memory card interface data wire and internal memory card interface input end of clock SD-CLK correspondence and No. 0 port GPIO F0 of internal memory card interface data wire, No. 1 port GPIO F1 of internal memory card interface data wire, No. 2 port DATA2 of internal memory card interface data wire, No. 3 port DATA3 of internal memory card interface data wire and internal memory card interface input end of clock mouth CLK connect.
Internal memory card interface power supply positive input terminal SD-VCC is connected with positive source, internal memory card interface power-input SD-GND ground connection.
Functional pin SD-CMD is connected with function port CMD.
Detecting pin SD-DETECT is connected with detection port SD-DETECTION.Wherein, in the detection port SD-DETECTION course of work, detection port SD-DETECTION can change connected mode.
RAM (random access memory) card is TF card (T-Flash card).
Detecting identification module 103 is microcontroller.
Based on above-mentioned all embodiment, the operation principle of USB deconcentrator circuit is as follows:
Contact flat spring fuse 101 is connected with the data storage device of outside, and the output pin of contact flat spring fuse 101 is given the information output of the data storage device of outside and detected identification module 103.Detect identification module 103 beginning deterministic processes.After detecting identification module 103 and receiving the data that RAM (random access memory) card do not access, control contact flat spring fuse 101 refusals to the RAM (random access memory) card operation, namely contact flat spring fuse 101 can only be by the data in usb data host-host protocol read-write external data storage device.After detecting identification module 103 and receiving the data of RAM (random access memory) card access, the RAM (random access memory) card of controlling 101 pairs of accesses of contact flat spring fuse is done scanning and is carried out data read-write operation by the Data Transport Protocol of RAM (random access memory) card.
Particularly, when the level of the detection port SD-DETECTION of detection identification module 103 is high level, represent that RAM (random access memory) card does not access.When the level of detection port SD-DETECTION is low level, represent the RAM (random access memory) card access.
The data storage device type that above-mentioned USB deconcentrator circuit connects by contact flat spring fuse 101 judgement USB deconcentrators, and then by contact flat spring fuse 101 and the common function of reading out data from data storage device fully of detection identification module 103.Due to contact flat spring fuse 101 with detect identification module 103 and can transmit simultaneously data in USB interface data storage device and RAM (random access memory) card.Thereby, after contact flat spring fuse 101 judgement data storage device types, contact flat spring fuse 101 and detect data in 103 corresponding the transmission of data memory devices of identification module, and then realize the one transmission of data in USB interface data storage device and RAM (random access memory) card.
Please in conjunction with Fig. 2 and Fig. 3.A kind of USB deconcentrator is used for reading the equipment that USB interface data storage device and RAM (random access memory) card are stored, and comprises above-mentioned USB deconcentrator circuit (not shown), contact flat spring 201 and support 203.
Contact flat spring 201 is used for being connected with the contact flat spring fuse of USB deconcentrator circuit.
The USB deconcentrator also comprises shell 205, and shell 205 is used for accommodating USB deconcentrator circuit, contact flat spring 201 and support 203.
Above-mentioned USB deconcentrator is identified USB interface data storage device and RAM (random access memory) card by USB deconcentrator circuit, and then the one of data in USB interface data storage device and RAM (random access memory) card is transmitted.Owing to adopting support 203 that contact flat spring 201 is divided into the first contact-making surface and the second contact-making surface, make the transfer of data that realizes two types of data storage devices in the same space, reasonably optimizing utilizes the space.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.Should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a USB deconcentrator circuit, is characterized in that, comprises the contact flat spring fuse and detect identification module;
Described contact flat spring fuse comprises usb signal wire pin, USB power line pin, RAM (random access memory) card holding wire pin, RAM (random access memory) card power line pin and detects pin;
Described detection identification module comprises usb signal line cap, USB power line port, RAM (random access memory) card holding wire port, RAM (random access memory) card power line port and detection port; Described usb signal line cap, USB power line port, RAM (random access memory) card holding wire port, RAM (random access memory) card power line port and detection port are with described usb signal wire pin, USB power line pin, RAM (random access memory) card holding wire pin, RAM (random access memory) card power line pin and detect the corresponding connection of pin;
Described detection pin is for detection of the data storage device that is connected with described USB deconcentrator;
If the data storage device that detects is the USB interface data storage device, described contact flat spring fuse is used for transmitting the data of described USB interface data storage device;
If the data storage device that detects is RAM (random access memory) card, described detection identification module is used for that described RAM (random access memory) card is scanned and do read-write to be prepared, and described contact flat spring fuse is used for transmitting the data of described RAM (random access memory) card.
2. USB deconcentrator circuit according to claim 1, is characterized in that, also comprises divider resistance, between the common port after described divider resistance is series at positive source and described detection pin and described detection port are connected.
3. USB deconcentrator circuit according to claim 1, is characterized in that, described usb signal wire pin comprises USB positive signal line, USB negative signal line;
Described USB power line pin comprises USB power line negative input, USB power line electrode input end;
Described RAM (random access memory) card holding wire pin comprises the internal memory card interface data wire No. 0, No. 1, internal memory card interface data wire, No. 2, internal memory card interface data wire, No. 3, internal memory card interface data wire and internal memory card interface input end of clock;
Described RAM (random access memory) card power line pin comprises internal memory card interface power supply positive input terminal and internal memory card interface power-input;
Described contact flat spring fuse also comprises grounding pin.
4. USB deconcentrator circuit according to claim 3, is characterized in that, described detection pin is when data storage device being detected and be RAM (random access memory) card, and described detection pin is connected with described internal memory card interface power-input.
5. USB deconcentrator circuit according to claim 1, is characterized in that, described usb signal port pinout comprises USB positive signal port, USB negative signal port;
Described USB power line port comprises USB power line negative input mouth, USB power line electrode input end mouth;
Described RAM (random access memory) card holding wire port comprises No. 0 port of internal memory card interface data wire, No. 1 port of internal memory card interface data wire, No. 2 ports of internal memory card interface data wire, No. 3 ports of internal memory card interface data wire and internal memory card interface input end of clock mouth;
Described RAM (random access memory) card power line port comprises internal memory card interface power supply positive input port and internal memory card interface power-input port;
Described detection identification module also comprises grounding ports.
6. USB deconcentrator circuit according to claim 1, is characterized in that, described RAM (random access memory) card is the TF card.
7. USB deconcentrator circuit according to claim 1, is characterized in that, described detection identification module is microcontroller.
8. USB deconcentrator is used for reading the equipment that USB interface data storage device and RAM (random access memory) card are stored, and it is characterized in that, comprises the described USB deconcentrator of claim 1-7 circuit, contact flat spring and support;
Described contact flat spring is used for being connected with the described contact flat spring fuse of described USB deconcentrator circuit;
Described support is used for supporting described contact flat spring, and described contact flat spring is divided into the first contact-making surface and the second contact-making surface; Described the first contact-making surface is used for the interface of contact USB interface data storage device, and described the second contact-making surface is used for contacting the interface of described RAM (random access memory) card.
9. USB deconcentrator according to claim 8, is characterized in that, also comprises shell, and described shell is used for accommodating described USB deconcentrator circuit, described contact flat spring and described support.
10. USB deconcentrator according to claim 9, is characterized in that, described support is plastic rubber bracket, and described shell is hardware casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220710519 CN203014081U (en) | 2012-12-20 | 2012-12-20 | USB deconcentrator and USB deconcentrator circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220710519 CN203014081U (en) | 2012-12-20 | 2012-12-20 | USB deconcentrator and USB deconcentrator circuit |
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| Publication Number | Publication Date |
|---|---|
| CN203014081U true CN203014081U (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220710519 Expired - Fee Related CN203014081U (en) | 2012-12-20 | 2012-12-20 | USB deconcentrator and USB deconcentrator circuit |
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|---|---|
| CN (1) | CN203014081U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11121568B2 (en) | 2020-01-24 | 2021-09-14 | Patrick Kealy | Data and power retractable device charger |
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2012
- 2012-12-20 CN CN 201220710519 patent/CN203014081U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11121568B2 (en) | 2020-01-24 | 2021-09-14 | Patrick Kealy | Data and power retractable device charger |
| US11251634B2 (en) | 2020-01-24 | 2022-02-15 | Patrick Kealy | Data and power selectable device charger |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Guangdong city of Shenzhen province Nanshan District hing a No. 9 Hongkong, Shenzhen University Building 3 312 Co-patentee after: Perception Digital Ltd. Patentee after: Travel to branch (Shenzhen) Co.,Ltd. Address before: 518057 Guangdong city of Shenzhen province Nanshan District high tech Industrial Park South Hing a No. 9 Hong Kong University Science & Technology Shenzhen Research Institute of the third floor of the building Co-patentee before: Perception Digital Ltd. Patentee before: Perception Digital Technology (Shenzhen) Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170928 Address after: Hongkong Chinese Gloucester Road No. 189-200 Bank Group Building 19 Building 1903A room Co-patentee after: Travel to branch (Shenzhen) Co.,Ltd. Patentee after: Sharp Holdings Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District Hing Road No. 9, a Hongkong Shenzhen building 3 312 Co-patentee before: Perception Digital Ltd. Patentee before: Travel to branch (Shenzhen) Co.,Ltd. |
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| 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: 20130619 Termination date: 20171220 |