CN203351911U - USB line system - Google Patents
USB line system Download PDFInfo
- Publication number
- CN203351911U CN203351911U CN 201320435254 CN201320435254U CN203351911U CN 203351911 U CN203351911 U CN 203351911U CN 201320435254 CN201320435254 CN 201320435254 CN 201320435254 U CN201320435254 U CN 201320435254U CN 203351911 U CN203351911 U CN 203351911U
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- usb
- electrically connected
- mcu controller
- line
- line system
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Abstract
The utility model discloses a USB line system, comprising a Mini USB socket. Each of the opposite two sides of the Mini USB socket include five gold fingers, wherein the five gold fingers at one side are electrically connected with the a master apparatus mode line, and the five gold fingers at the other side are electrically connected with the a slave apparatus mode line. An MCU controller is also included. The MCU controller comprises two USB data interfaces, wherein one USB data interface is electrically connected with the Mini USB socket through the master apparatus mode line, and the other USB data interface is electrically connected with the Mini USB socket through the slave apparatus mode line. According to the USB line system, compatibility for a master apparatus and a slave apparatus is achieved by a single Mini USB socket, thereby costs are reduced, and the product dimension is reduced.
Description
Technical field
The utility model relates to the USB technical field, specifically, relates to a kind of USB line system.
Background technology
In current design of electronic products, especially, in the design of Portable movable product, the USB device that often relates to product need to meet the USB main equipment and follow USB from two patterns of equipment.USB is English Universal Serial BUS(USB) abbreviation, and its Chinese is being an external bus standard referred to as " logical get lines crossed ", for being connected and communication of standard computer and external equipment.It is the interfacing that is applied in the PC field.The plug and play of USB interface support equipment and warm connection function.
When USB device is USB main equipment pattern, can read the data of peripheral USB device, for example read the data of USB flash disk; When USB device is USB during from equipment mode, can be used as USB and read by main equipment from the device storage data, for example by computer, read.Common circuit need to meet the USB main equipment with USB during from two patterns of equipment, need to adopt two different USB interface, so not only can increase the cost of product, and adopt two USB seats can increase product size, also can make the ID design of product become complicated.ID is industrial design, is the abbreviation of English Industrial Design, and the ID design of product generally refers to the appearance design of product.
The utility model content
Technical problem to be solved in the utility model is: provide the enough single Mini USB socket of a kind of energy to realize compatible USB master device functionality and the USB USB line system from functions of the equipments.
For solving the problems of the technologies described above, the technical solution of the utility model is:
A kind of USB line system, comprise the Mini USB socket, and the relative both sides of described Mini USB socket comprise respectively five golden fingers; Wherein, five of side golden fingers are electrically connected to main equipment pattern circuit; Five golden fingers of opposite side with from the equipment mode line electricity, be connected; Also comprise the MCU controller, described MCU controller comprises two-way usb data interface, and wherein, a described usb data interface in road is electrically connected to described Mini USB socket by described main equipment pattern circuit; The described usb data interface in another road is electrically connected to described Mini USB socket from the equipment mode circuit by described.
Preferably, described main equipment pattern circuit comprises first earth connection, first power line be connected with the out-put supply end of the chip that boosts of 5V, first detection line be electrically connected to described MCU controller and two the first data telecommunication lines that are electrically connected to described MCU controller that are electrically connected to five golden fingers of Mini USB socket one side respectively; The Enable Pin of the described chip that boosts is electrically connected to the output of described MCU controller; Described two the first data telecommunication lines are connected with respectively pull down resistor.
Preferably, describedly from the equipment mode circuit, comprise second earth connection be electrically connected to five golden fingers of Mini USB socket opposite side respectively, a second source line be electrically connected to external USB main equipment power supply, second detection line be electrically connected to described MCU controller and two the second data telecommunication lines that are electrically connected to described MCU controller.
Preferably, the described chip that boosts is TPS61040.
Preferably, the resistance that described pull down resistor is 15K Ω.
A kind of USB line system, comprise the Mini USB socket, and the relative both sides of described Mini USB socket comprise respectively five golden fingers; Wherein, five of side golden fingers are electrically connected to main equipment pattern circuit; Five golden fingers of opposite side with from the equipment mode line electricity, be connected; Also comprise the MCU controller, described MCU controller comprises a road usb data interface, the usb data interface of described MCU controller is electrically connected with selector switch, and the usb data interface of described MCU controller is selected by described main equipment pattern circuit or describedly is electrically connected to described Mini USB socket from the equipment mode circuit by selector switch.
Preferably, described main equipment pattern circuit comprises first earth connection, first power line be connected with the out-put supply end of the chip that boosts of 5V, first detection line be electrically connected to described MCU controller and two the first data telecommunication lines that are electrically connected to described MCU controller that are electrically connected to five golden fingers of Mini USB socket one side respectively; The Enable Pin of the described chip that boosts is electrically connected to the output of described MCU controller; Described two the first data telecommunication lines are connected with respectively pull down resistor.
Preferably, describedly from the equipment mode circuit, comprise second earth connection be electrically connected to five golden fingers of Mini USB socket opposite side respectively, a second source line be electrically connected to external USB main equipment power supply, second detection line be electrically connected to described MCU controller and two the second data telecommunication lines that are electrically connected to described MCU controller.
Preferably, the described chip that boosts is TPS61040.
Preferably, the resistance that described pull down resistor is 15K Ω.
After having adopted technique scheme, the beneficial effects of the utility model are:
Because USB line system of the present utility model comprises the Mini USB socket, the relative both sides of described Mini USB socket comprise respectively five golden fingers; Wherein, five of side golden fingers are electrically connected to main equipment pattern circuit; Five golden fingers of opposite side with from the equipment mode line electricity, be connected; Also comprise the MCU controller, described MCU controller comprises two-way usb data interface, and wherein, a described usb data interface in road is electrically connected to described Mini USB socket by described main equipment pattern circuit; The described usb data interface in another road is electrically connected to described Mini USB socket from the equipment mode circuit by described.Therefore, when the USB line system by this utility model is applied in design of electronic products, can be by the switching change Mini socket connection main equipment pattern circuit of MCU controller or from the equipment mode circuit.Thereby realize realizing that by single Mini USB socket compatible USB master device functionality and USB are from functions of the equipments.Thereby reduced cost, reduced product size.Reduced the complexity of the ID design of product.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail:
Fig. 1 is the circuit theory diagrams of the USB line system of embodiment mono-of the present utility model;
Fig. 2 is the connecting circuit figure of the Mini USB socket in Fig. 1;
Fig. 3 is the circuit theory diagrams of the USB line system of embodiment bis-of the present utility model;
In figure: 1, MCU controller; 2, Mini USB socket; 21, the first earth connection; 22, the first power line; ID1, the first detection line; 23, the second earth connection; 24, second source line; ID2, the second detection line; 3, the chip that boosts; 4, pull down resistor; 5, external USB main equipment power supply; 6, selector switch.
Embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.
Embodiment mono-
Fig. 1 is the circuit theory diagrams of the USB line system of embodiment mono-of the present utility model; Fig. 2 is the connecting circuit figure of the Mini USB socket in Fig. 1; See figures.1.and.2, the USB line system of the present embodiment, comprise Mini USB socket 2 and MCU controller 1, and the relative both sides of Mini USB socket 2 comprise respectively five golden fingers; Wherein, five of side golden fingers are electrically connected to main equipment pattern circuit; Five golden fingers of opposite side with from the equipment mode line electricity, be connected.MCU controller 1 comprises two-way usb data interface, and wherein, a road usb data interface is electrically connected to Mini USB socket 2 by main equipment pattern circuit; Another road usb data interface is by being electrically connected to Mini USB socket 2 from the equipment mode circuit.MCU controller 1 can be selected to be electrically connected to Mini USB socket 2 by main equipment pattern circuit or from the equipment mode circuit.Wherein, Mini USB socket 2 is small-sized USB socket, MCU full name Micro Control Unit, and Chinese is micro-control unit, claims again one chip microcomputer or single-chip microcomputer.
The first power line 22 that main equipment pattern circuit comprises respectively that first earth connection 21 being electrically connected to five golden fingers of Mini USB socket 2 one sides, one be connected with the out-put supply end of the chip 3 that boosts of 5V, the first detection line ID1 be electrically connected to MCU controller 1 and two first data telecommunication lines that are electrically connected to the MCU controller; The Enable Pin of chip 3 of boosting is electrically connected to the output of MCU controller 1; Two the first data telecommunication lines are connected with respectively pull down resistor 4.Two the first data telecommunication lines comprise data telecommunication line DP1 and data telecommunication line DM1.
Comprise second earth connection 23 being electrically connected to five golden fingers of Mini USB socket 2 opposite sides respectively, second source line be electrically connected to external USB main equipment power supply 24, the second detection line ID2 be electrically connected to MCU controller 1 and two second data telecommunication lines that are electrically connected to MCU controller 1 from the equipment mode circuit.The second data telecommunication line comprises data telecommunication line DP2 and data telecommunication line DM2.
In the present embodiment, the chip that boosts is TPS61040.The resistance that pull down resistor 4 is 15K Ω.
When the USB line system of the present embodiment is applied in design of electronic products, can be by the switching change Mini socket 2 connection main equipment pattern circuits of MCU controller 1 or from the equipment mode circuit.Thereby realize realizing that by single Mini USB socket 2 compatible USB master device functionality and USB are from functions of the equipments.When this USB line system is the main equipment pattern, the product of applying USB line system of the present utility model will read peripheral USB from equipment as main equipment, the data of USB flash disk for example, during use, the product that to apply this USB line system by the USB patchcord is connected with USB flash disk, MCU controller 1 receives the instruction of peripheral USB from equipment access according to the first detection line ID1, be switched to the main equipment pattern, MCU controller 1 is controlled the chip 3 output 5V DC power supply of boosting and is connected to Mini USB socket 2 by the first power line 22, from equipment, power to peripheral USB, MCU controller 1 will read the data of peripheral USB from equipment by data telecommunication line DP1 and data telecommunication line DM1, when this USB line system is during from equipment mode, the application the present embodiment the USB line system product will as from equipment connection to peripheral USB main equipment, for example computer carries out reading on data to product, during use, MCU controller 1 is by the detection signal of the second detection line ID2, be switched to from equipment mode, peripheral USB main equipment power supply 5 is connected to Mini USB socket 2 by second source line 24, provided power supply from the equipment mode circuit, peripheral USB main equipment will read by data telecommunication line DP2 and data telecommunication line DM2 the data of MCU controller 1.The USB line system of the present embodiment, realize realizing that by single Mini USB socket 2 compatible USB master device functionality and USB are from functions of the equipments, thereby reduced cost, reduced product size.Reduced the complexity of the ID design of product.
Embodiment bis-
Fig. 3 is the circuit theory diagrams of the USB line system of embodiment bis-of the present utility model; With reference to Fig. 3, the USB line system of the present embodiment, comprise Mini USB socket 2 and MCU controller 1, and the relative both sides of Mini USB socket 2 comprise respectively five golden fingers; Wherein, five of side golden fingers are electrically connected to main equipment pattern circuit; Five golden fingers of opposite side with from the equipment mode line electricity, be connected.MCU controller 1 comprises a road usb data interface, the usb data interface of MCU controller 1 is electrically connected with selector switch 6, in the present embodiment, selector switch 6 is single-pole double-throw switch (SPDT), and the usb data interface of MCU controller 1 is selected by main equipment pattern circuit or is electrically connected to Mini USB socket 2 from the equipment mode circuit by selector switch 6.Wherein, Mini USB socket 2 is small-sized USB socket, MCU full name Micro Control Unit, and Chinese is micro-control unit, claims again one chip microcomputer or single-chip microcomputer.
The first power line 22 that main equipment pattern circuit comprises respectively that first earth connection 21 being electrically connected to five golden fingers of Mini USB socket 2 one sides, one be connected with the out-put supply end of the chip 3 that boosts of 5V, the first detection line ID1 be electrically connected to MCU controller 1 and two first data telecommunication lines that are electrically connected to the MCU controller; The Enable Pin of chip 3 of boosting is electrically connected to the output of MCU controller 1; Two the first data telecommunication lines are connected with respectively pull down resistor 4.Two the first data telecommunication lines comprise data telecommunication line DP1 and data telecommunication line DM1.
Comprise second earth connection 23 being electrically connected to five golden fingers of Mini USB socket 2 opposite sides respectively, second source line be electrically connected to external USB main equipment power supply 24, the second detection line ID2 be electrically connected to MCU controller 1 and two second data telecommunication lines that are electrically connected to MCU controller 1 from the equipment mode circuit.The second data telecommunication line comprises data telecommunication line DP2 and data telecommunication line DM2.
In the present embodiment, the chip that boosts is TPS61040.The resistance that pull down resistor 4 is 15K Ω.
When the USB line system of the present embodiment is applied in design of electronic products, can the switching by selector switch 6 changes between MCU master controller 1 and Mini socket 2 and be communicated with main equipment pattern circuit or from the equipment mode circuit.Thereby realize realizing that by single Mini USB socket 2 compatible USB master device functionality and USB are from functions of the equipments.When selecting switch to select to be communicated with main equipment pattern circuit, this USB line system is the main equipment pattern, the product of the USB line system of application the present embodiment will read peripheral USB from equipment as main equipment, the data of USB flash disk for example, during use, the product that to apply this USB line system by the USB patchcord is connected with USB flash disk, MCU controller 1 receives the instruction of peripheral USB from equipment access according to the first detection line ID1, be switched to the main equipment pattern, MCU controller 1 is controlled the chip 3 output 5V DC power supply of boosting and is connected to Mini USB socket 2 by the first power line 22, from equipment, power to peripheral USB, MCU controller 1 will read the data of peripheral USB from equipment by data telecommunication line DP1 and data telecommunication line DM1, when when selecting switch to select to be communicated with from the equipment mode circuit, this USB line system is from equipment mode, the application the present embodiment the USB line system product will as from equipment connection to peripheral USB main equipment, for example computer carries out reading on data to product, during use, MCU controller 1 is by the detection signal of the second detection line ID2, be switched to from equipment mode, peripheral USB main equipment power supply 5 is connected to MiniUSB socket 2 by second source line 24, provided power supply from the equipment mode circuit, peripheral USB main equipment will read by data telecommunication line DP2 and data telecommunication line DM2 the data of MCU controller 1.The USB line system of the present embodiment, realize realizing that by single Mini USB socket 2 compatible USB master device functionality and USB are from functions of the equipments, thereby reduced cost, reduced product size.Reduced the complexity of the ID design of product.
The above is giving an example of the utility model preferred forms, and the part of wherein not addressing in detail is those of ordinary skills' common practise.Protection range of the present utility model is as the criterion with the content of claim, and any equivalent transformation carried out based on technology enlightenment of the present utility model, also within protection range of the present utility model.
Claims (10)
1.USB line system is characterized in that: comprise the Mini USB socket, the relative both sides of described Mini USB socket comprise respectively five golden fingers; Wherein, five of side golden fingers are electrically connected to main equipment pattern circuit; Five golden fingers of opposite side with from the equipment mode line electricity, be connected; Also comprise the MCU controller, described MCU controller comprises two-way usb data interface, and wherein, a described usb data interface in road is electrically connected to described Mini USB socket by described main equipment pattern circuit; The described usb data interface in another road is electrically connected to described Mini USB socket from the equipment mode circuit by described.
2. USB line system as claimed in claim 1 is characterized in that: described main equipment pattern circuit comprises first earth connection, first power line be connected with the out-put supply end of the chip that boosts of 5V, first detection line be electrically connected to described MCU controller and two the first data telecommunication lines that are electrically connected to described MCU controller that are electrically connected to five golden fingers of Mini USB socket one side respectively; The Enable Pin of the described chip that boosts is electrically connected to the output of described MCU controller; Described two the first data telecommunication lines are connected with respectively pull down resistor.
3. USB line system as claimed in claim 2 is characterized in that: describedly from the equipment mode circuit, comprise second earth connection be electrically connected to five golden fingers of Mini USB socket opposite side respectively, a second source line be electrically connected to external USB main equipment power supply, second detection line be electrically connected to described MCU controller and two the second data telecommunication lines that are electrically connected to described MCU controller.
4. USB line system as claimed in claim 2, it is characterized in that: the described chip that boosts is TPS61040.
5. USB line system as described as claim 2 to 4 any one, is characterized in that: the resistance that described pull down resistor is 15K Ω.
6.USB line system is characterized in that: comprise the Mini USB socket, the relative both sides of described Mini USB socket comprise respectively five golden fingers; Wherein, five of side golden fingers are electrically connected to main equipment pattern circuit; Five golden fingers of opposite side with from the equipment mode line electricity, be connected; Also comprise the MCU controller, described MCU controller comprises a road usb data interface, the usb data interface of described MCU controller is electrically connected with selector switch, and the usb data interface of described MCU controller is selected by described main equipment pattern circuit or describedly is electrically connected to described Mini USB socket from the equipment mode circuit by selector switch.
7. USB line system as claimed in claim 6 is characterized in that: described main equipment pattern circuit comprises first earth connection, first power line be connected with the out-put supply end of the chip that boosts of 5V, first detection line be electrically connected to described MCU controller and two the first data telecommunication lines that are electrically connected to described MCU controller that are electrically connected to five golden fingers of Mini USB socket one side respectively; The Enable Pin of the described chip that boosts is electrically connected to the output of described MCU controller; Described two the first data telecommunication lines are connected with respectively pull down resistor.
8. USB line system as claimed in claim 7 is characterized in that: describedly from the equipment mode circuit, comprise second earth connection be electrically connected to five golden fingers of Mini USB socket opposite side respectively, a second source line be electrically connected to external USB main equipment power supply, second detection line be electrically connected to described MCU controller and two the second data telecommunication lines that are electrically connected to described MCU controller.
9. USB line system as claimed in claim 7, it is characterized in that: the described chip that boosts is TPS61040.
10. USB line system as described as claim 7 to 9 any one, is characterized in that: the resistance that described pull down resistor is 15K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320435254 CN203351911U (en) | 2013-07-20 | 2013-07-20 | USB line system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320435254 CN203351911U (en) | 2013-07-20 | 2013-07-20 | USB line system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203351911U true CN203351911U (en) | 2013-12-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320435254 Withdrawn - After Issue CN203351911U (en) | 2013-07-20 | 2013-07-20 | USB line system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203351911U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346448A (en) * | 2013-07-20 | 2013-10-09 | 青岛歌尔声学科技有限公司 | Universal serial bus (USB) line system |
-
2013
- 2013-07-20 CN CN 201320435254 patent/CN203351911U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103346448A (en) * | 2013-07-20 | 2013-10-09 | 青岛歌尔声学科技有限公司 | Universal serial bus (USB) line system |
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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: 20131218 Effective date of abandoning: 20160316 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |