CN111061665A - Interface function switching equipment - Google Patents
Interface function switching equipment Download PDFInfo
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- CN111061665A CN111061665A CN201911232154.2A CN201911232154A CN111061665A CN 111061665 A CN111061665 A CN 111061665A CN 201911232154 A CN201911232154 A CN 201911232154A CN 111061665 A CN111061665 A CN 111061665A
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- module
- function switching
- interface function
- interface
- otg
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4004—Coupling between buses
- G06F13/4022—Coupling between buses using switching circuits, e.g. switching matrix, connection or expansion network
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F2213/0042—Universal serial bus [USB]
Abstract
The invention discloses interface function switching equipment which comprises intelligent equipment, a control mainboard, external equipment and a power module, wherein the control mainboard is respectively connected with the intelligent equipment, the external equipment and the power module, the power module is connected with a power supply, the intelligent equipment is provided with an OTG (on-the-go) module, the intelligent equipment is connected with the control mainboard through the OTG module, and the intelligent equipment switches a device mode and a host mode of the OTG module through the control mainboard, so that the conversion of charging and data reading functions is realized. According to the method and the device, the Android Pad of the intelligent device can be read through the USB Type-c interface and the external device, the Android Pad can be charged through switching of the switch, a data line does not need to be plugged, and the method and the device are convenient and fast.
Description
Technical Field
The invention relates to the technical field of financial electronic products, in particular to interface function switching equipment.
Background
Android Pad sold in the market at present only has a USB Type-c interface, and Android Pad wants to realize reading external equipment's information through a USB Type-c interface, can charge for self again, and the market is blank temporarily. And this makes Android Pad read external device's information and need change data line when charging as intelligent host computer and separately operate, leads to the operation very loaded down with trivial details, inconvenient swift.
The above disadvantages need to be improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides interface function switching equipment.
The technical scheme of the invention is as follows:
an interface function switching device is characterized by comprising an intelligent device, a control mainboard, an external device and a power module, wherein the control mainboard is respectively connected with the intelligent device, the external device and the power module, the power module is connected with a power supply, the intelligent device is provided with an OTG module, the intelligent device is connected with the control mainboard through the OTG module,
the intelligent equipment switches the device mode and the host mode of the OTG module through the control mainboard, so that the conversion of charging and data reading functions is realized.
The invention according to the above scheme is characterized in that the intelligent device is provided with a USB interface, the USB interface is connected with the OTG module, and the control motherboard is connected with the USB interface through an OTG data line.
Further, the USB interface is a USB Type-C interface.
The invention according to the above aspect is characterized by further comprising a battery, wherein the battery is connected with the control main board.
The invention according to the above scheme is characterized in that the control mainboard is connected with the external device through a USB splitter.
Furthermore, the USB interface controller further comprises an indicator light, and the indicator light is connected with the control main board through the USB deconcentrator.
Furthermore, the indicator light is connected with the USB deconcentrator through a GPIO module.
The invention according to the above scheme is characterized in that the external device is an identity card detection module, and the identity card detection module is used for reading data of a second-generation identity card.
The invention according to the scheme is characterized in that the intelligent device is an Android Pad.
The invention according to the above scheme is characterized in that a change-over switch is arranged on the control mainboard and used for switching between a device mode and a host mode of the OTG module.
The invention has the beneficial effects that:
according to the invention, the device mode and the host mode of the OTG module are switched by controlling the main board, so that the Android Pad of the intelligent equipment can read information with the external equipment through a USB Type-c interface, and can be charged through switching of the switch, a USB line is not required to be plugged, the operation is convenient and rapid, meanwhile, a 5V/2A power supply can be ensured to stably supply power to the external equipment, and stable data transmission of the external equipment is realized; the invention is provided with the battery, can ensure that the battery can continuously work for 4 hours after power failure, and the power supply can charge the battery in normal work.
Drawings
FIG. 1 is a block diagram of an embodiment of the present invention;
FIG. 2 is a diagram illustrating a wire definition of the USB Type-C interface according to an embodiment of the present invention;
FIG. 3 is a circuit diagram of a control motherboard according to an embodiment of the present invention;
in the figure, 1, a smart device; 2. a control main board; 3. an external device; 4. a power supply module; 5. a power supply; 6. a battery; 7. a USB splitter; 8. an indicator light; 9. a GPIO module; 11. an OTG module.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments.
As shown in fig. 1, an embodiment of the present invention provides an interface function switching device, which includes an intelligent device 1, a control motherboard 2, an external device 3, and a power module 4, where the control motherboard 2 is connected to the intelligent device 1, the external device 3, and the power module 4, the power module 4 is connected to a power supply 5, an OTG module 11 is disposed on the intelligent device 1, the intelligent device 1 is connected to the control motherboard 2 through the OTG module 11, and the intelligent device 1 is an Android Pad. The intelligent device 1 switches the device mode and the host mode of the OTG module 11 by controlling the main board 2, thereby realizing the conversion of the charging and data reading functions.
According to the invention, the device mode and the host mode of the OTG module are switched by controlling the mainboard, so that the android pad of the intelligent device can realize the conversion of data reading and charging functions without plugging and unplugging a data line, and the 5V/2A power supply can be ensured to stably supply power to the external device, thereby realizing the stable data transmission of the external device.
In this embodiment, the intelligent device 1 is provided with a USB interface, the USB interface is connected to the OTG module 11, and the control motherboard 2 is connected to the USB interface through an OTG data line. Preferably, the length of the OTG data line cannot exceed 20cm, and too long will cause data transmission to lag or fail.
In this embodiment, the USB interface is a USB Type-C interface, and the wiring definition of the USB Type-C interface is shown in fig. 2.
In this embodiment, the battery 6 is further included, and the battery 6 is connected with the control main board 2, so that the battery can work continuously for 4 hours after power failure. Preferably, the battery 6 is a rechargeable battery, and the power supply 6 can charge the battery 6 during normal operation.
In this embodiment, the control main board 2 is connected to the external device 3 through the USB splitter 7. The USB deconcentrator 7 is adopted to connect the control mainboard 2 with a plurality of external devices, so that the number of interfaces of the control mainboard 2 is reduced.
Further, the intelligent device further comprises an indicator light 8, the indicator light is connected with the control main board 2 through a USB splitter 9, and the indicator light 8 can be used for indicating the working state of the intelligent device 1, such as a data reading state or a charging state. Preferably, the indicator light is connected with the USB deconcentrator 9 through a GPIO module.
In this embodiment, the length of the data line connected between the USB splitter 9 and the control motherboard 2, the external device 3, and the indicator light cannot exceed 20cm, and too long will cause data transmission to lag or fail to respond.
In this embodiment, the external device 3 is an identification card detection module, the identification card detection module is used for reading data of the second generation identification card, and the identification card detection module can be a suction type second generation identification card scanning module.
Preferably, the external device 3 may also be a printing device, a keyboard, a mouse, or the like.
As shown in fig. 3, in this embodiment, the control main board is provided with a single chip circuit, a charging circuit, a power circuit, a USB interface circuit, and a switch switching circuit. The USB interface circuit is connected for connection with the smart device 1. The charging circuit is used for charging the smart device 1 and the battery. The switch switching circuit is used for switching the wiring mode of the intelligent device 1 and the USB interface circuit, so that the device mode and the host mode of the OTG module 11 are switched.
In this embodiment, the control main board 2 is provided with a change-over switch for switching the device mode and the host mode of the OTG module 11, so that the intelligent device does not need to plug or unplug a data line, the data reading and charging functions of the external device are realized, and the operation is convenient and fast.
The invention has the beneficial effects that:
according to the invention, the device mode and the host mode of the OTG module are switched by controlling the main board, so that the Android Pad of the intelligent equipment can read information with the external equipment through a USB Type-c interface, and can be charged through switching of the switch, a data line does not need to be plugged, convenience and rapidness are realized, meanwhile, a 5V/2A power supply can be ensured to stably supply power to the external equipment, and stable data transmission of the external equipment is realized; the invention is provided with the battery, can ensure that the battery can continuously work for 4 hours after power failure, and the power supply can charge the battery in normal work.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
The invention is described above with reference to the accompanying drawings, which are illustrative, and it is obvious that the implementation of the invention is not limited in the above manner, and it is within the scope of the invention to adopt various modifications of the inventive method concept and technical solution, or to apply the inventive concept and technical solution to other fields without modification.
Claims (10)
1. An interface function switching device is characterized by comprising an intelligent device, a control mainboard, an external device and a power module, wherein the control mainboard is respectively connected with the intelligent device, the external device and the power module, the power module is connected with a power supply, the intelligent device is provided with an OTG module, the intelligent device is connected with the control mainboard through the OTG module,
the intelligent equipment switches the device mode and the host mode of the OTG module through the control mainboard, so that the conversion of charging and data reading functions is realized.
2. The interface function switching device according to claim 1, wherein the smart device is provided with a USB interface, the USB interface is connected to the OTG module, and the control motherboard is connected to the USB interface through an OTG data line.
3. The interface function switching device according to claim 2, wherein the USB interface is a USB Type-C interface.
4. The interface function switching device according to claim 1, further comprising a battery, wherein the battery is connected to the control main board.
5. The interface function switching device according to claim 1, wherein the control main board is connected to the external device through a USB splitter.
6. The interface function switching device according to claim 5, further comprising an indicator light, wherein the indicator light is connected to the control main board through the USB splitter.
7. The interface function switching device according to claim 6, wherein the indicator light is connected to the USB splitter through a GPIO module.
8. The interface function switching device according to claim 1, wherein the external device is an identification card detection module, and the identification card detection module is configured to read data of a second-generation identification card.
9. The interface function switching apparatus according to claim 1, wherein the smart device is an android pad.
10. The interface function switching device according to claim 1, wherein a switch is disposed on the control motherboard and is configured to switch between a device mode and a host mode of the OTG module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232154.2A CN111061665A (en) | 2019-12-05 | 2019-12-05 | Interface function switching equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911232154.2A CN111061665A (en) | 2019-12-05 | 2019-12-05 | Interface function switching equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111061665A true CN111061665A (en) | 2020-04-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911232154.2A Pending CN111061665A (en) | 2019-12-05 | 2019-12-05 | Interface function switching equipment |
Country Status (1)
| Country | Link |
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| CN (1) | CN111061665A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103473202A (en) * | 2013-09-03 | 2013-12-25 | 福建星网锐捷网络有限公司 | USB OTG device, electronic unit and OTG function implementation method |
| CN204044810U (en) * | 2014-07-04 | 2014-12-24 | 深圳市江波龙电子有限公司 | USB device and work system |
| CN104932615A (en) * | 2014-05-22 | 2015-09-23 | 威盛电子股份有限公司 | Universal serial bus expansion seat and method for charging portable device by using same |
| TW201544960A (en) * | 2014-05-22 | 2015-12-01 | Via Tech Inc | Universal serial bus dock and associated method for charging a portable device |
| CN106326159A (en) * | 2015-06-16 | 2017-01-11 | 巨盛电子股份有限公司 | Multi-transmission-mode-based information transmission apparatus and transmission mode switching method thereof |
| CN106451693A (en) * | 2016-12-21 | 2017-02-22 | 杨继宝 | Mobile power pack and OTG (on-the-go) data cable |
| CN107658920A (en) * | 2017-09-07 | 2018-02-02 | 上海移远通信技术股份有限公司 | OTG and the difunctional system that charges are realized based on external charging |
-
2019
- 2019-12-05 CN CN201911232154.2A patent/CN111061665A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103473202A (en) * | 2013-09-03 | 2013-12-25 | 福建星网锐捷网络有限公司 | USB OTG device, electronic unit and OTG function implementation method |
| CN104932615A (en) * | 2014-05-22 | 2015-09-23 | 威盛电子股份有限公司 | Universal serial bus expansion seat and method for charging portable device by using same |
| TW201544960A (en) * | 2014-05-22 | 2015-12-01 | Via Tech Inc | Universal serial bus dock and associated method for charging a portable device |
| CN204044810U (en) * | 2014-07-04 | 2014-12-24 | 深圳市江波龙电子有限公司 | USB device and work system |
| CN106326159A (en) * | 2015-06-16 | 2017-01-11 | 巨盛电子股份有限公司 | Multi-transmission-mode-based information transmission apparatus and transmission mode switching method thereof |
| CN106451693A (en) * | 2016-12-21 | 2017-02-22 | 杨继宝 | Mobile power pack and OTG (on-the-go) data cable |
| CN107658920A (en) * | 2017-09-07 | 2018-02-02 | 上海移远通信技术股份有限公司 | OTG and the difunctional system that charges are realized based on external charging |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200424 |