CN104484300A - Multifunctional panel docking station - Google Patents
Multifunctional panel docking station Download PDFInfo
- Publication number
- CN104484300A CN104484300A CN201410747420.6A CN201410747420A CN104484300A CN 104484300 A CN104484300 A CN 104484300A CN 201410747420 A CN201410747420 A CN 201410747420A CN 104484300 A CN104484300 A CN 104484300A
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- Prior art keywords
- resistance
- electric capacity
- triode
- chip
- asynchronous transmission
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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
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
Abstract
The invention discloses a multifunctional panel docking station which comprises a USB (universal serial bus) and asynchronous transmission transceiver conversion circuit, a USB interface, an asynchronous transmission transceiver, a first conversion circuit, a 485 interface, a second conversion circuit, an RS232 interface, an infrared communication circuit and an infrared power switch. The USB interface, the USB and asynchronous transmission transceiver conversion circuit and the asynchronous transmission transceiver are sequentially connected with one another, the infrared communication circuit, the first conversion circuit and the second conversion circuit are connected with the asynchronous transmission transceiver, the first conversion circuit is connected with the 485 interface, the second conversion circuit is connected with the RS232 interface, and the infrared communication circuit is connected with the infrared power switch. The multifunctional panel docking station has the advantages that the multiple interfaces are integrated with one another and can be simultaneously used, accordingly, connecting wires can be reduced, the multifunctional panel docking station is light, and the like.
Description
Technical field
The present invention relates to a kind of docking station, particularly relate to a kind of multifunctional flat docking station.
Background technology
Adapter on sale is in the market between interface and changes one to one, as USB RS 232, RS232 turn RS485 and USB and turn infrared ray etc., current product shortcoming is when using USB port to connect the mobile device of computer or Android system, usb mouth and UART interface can not use simultaneously, need to select corresponding interface by switch control rule, such connection wire is many, not light.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of multifunctional flat docking station, and it has interface All-in-One, and interface can use simultaneously, reduces connection wire and the advantage such as lighter.
The present invention solves above-mentioned technical matters by following technical proposals: a kind of multifunctional flat docking station, it is characterized in that, it comprises USB and turns asynchronous transmission transceiver circuit, USB interface, asynchronous transmission transceiver, first change-over circuit, 485 interfaces, second change-over circuit, RS232 interface, infrared communication circuit, infrared power switch, USB interface, USB turns asynchronous transmission transceiver circuit, asynchronous transmission transceiver connects successively, infrared communication circuit, first change-over circuit, second change-over circuit is all connected with asynchronous transmission transceiver, first change-over circuit is connected with 485 interfaces, second change-over circuit is connected with RS232 interface, infrared communication circuit is connected with infrared power switch.
Preferably, described USB turns asynchronous transmission transceiver circuit and comprises the first resistance, the second resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, crystal oscillator, the first chip, first resistance, the second resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, crystal oscillator are all connected with the first chip, the first electric capacity and the second Capacitance parallel connection.
Preferably, described first change-over circuit comprises the 3rd chip, the 6th electric capacity, the 7th electric capacity, the 8th electric capacity, the 9th electric capacity, the tenth electric capacity, the 8th resistance, the 9th resistance, 6th electric capacity, the 7th electric capacity, the 8th electric capacity, the 9th electric capacity, the tenth electric capacity, the 8th resistance, the 9th resistance are all connected with the 3rd chip, the 7th electric capacity and the 8th capacitances in series.
Preferably, described second change-over circuit comprises the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 5th electric capacity, the first triode, the second chip, 3rd resistance is connected with the base stage of the first triode, 4th resistance is connected with the collector of the first triode, 4th resistance and the 5th resistor coupled in parallel, the 5th resistance, the 5th electric capacity, the 6th resistance, the 7th resistance are all connected with the second chip.
Preferably, described infrared communication circuit comprises the 4th chip, tenth resistance, 11 resistance, 12 resistance, 13 resistance, 14 resistance, 15 resistance, second triode, 3rd triode, 11 electric capacity, light emitting diode, the base stage of the second triode is connected with the 11 resistance, the collector of the second triode is connected with the emitter of the 3rd triode, 13 resistance is connected with the base stage of the 3rd triode, tenth resistance and the 12 resistant series, 12 resistance, 15 resistance is all connected with the 4th chip, 15 resistance and the 11 capacitances in series, the collector of the 3rd triode is connected with light emitting diode, light emitting diode and the 14 resistant series.
Positive progressive effect of the present invention is: the present invention has interface All-in-One, and interface can use simultaneously, reduces connection wire and the advantage such as lighter.
Accompanying drawing explanation
Fig. 1 is the structural representation of multifunctional flat docking station of the present invention.
Fig. 2 is the circuit diagram that in the present invention, USB turns asynchronous transmission transceiver circuit.
Fig. 3 is the circuit diagram of the first change-over circuit in the present invention.
Fig. 4 is the circuit diagram of the second change-over circuit in the present invention.
Fig. 5 is the circuit diagram of infrared communication circuit in the present invention.
Embodiment
Present pre-ferred embodiments is provided, to describe technical scheme of the present invention in detail below in conjunction with accompanying drawing.
As shown in Figure 1, multifunctional flat docking station of the present invention comprises USB and turns asynchronous transmission transceiver circuit, USB interface, asynchronous transmission transceiver, first change-over circuit, 485 interfaces, second change-over circuit, RS232 interface, infrared communication circuit, infrared power switch, USB interface, USB turns asynchronous transmission transceiver circuit, asynchronous transmission transceiver connects successively, infrared communication circuit, first change-over circuit, second change-over circuit is all connected with asynchronous transmission transceiver, first change-over circuit is connected with 485 interfaces, second change-over circuit is connected with RS232 interface, infrared communication circuit is connected with infrared power switch.
The Main Function that USB turns asynchronous transmission transceiver circuit is that USB turns UART (asynchronous transmission transceiver), chip adopts the FT2232HL cake core of FTDI (British businessman Fei Tediya company limited), single-chip USB turns 2 road UART (asynchronous transmission transceiver), support the USB2.0 high speed specification of 480Mb/s, 3.3V power supply, 20-30mA is maximum is at ordinary times less than 80mA, be an Android master control IC that can be used on many interfaces, can provide instant by Android USB to UART (asynchronous transmission transceiver).Do not need firmware, do not need driving to have APK just can use.As shown in Figure 2, USB turns asynchronous transmission transceiver circuit and comprises the first resistance R1, the second resistance R2, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, crystal oscillator Y1, the first chip U1, first resistance R1, the second resistance R2, the first electric capacity C1, the second electric capacity C2, the 3rd electric capacity C3, the 4th electric capacity C4, crystal oscillator Y1 are connected with the first chip U1, and the first electric capacity C1 is in parallel with the second electric capacity C2.First chip U1 is FT2232HL cake core.
The Main Function of the first change-over circuit is for Transistor-Transistor Logic level turns 485 level; chip adopts BL3085A cake core; there is ESD (Electro-static Driven Comb) protection of +/-15KV; high-speed transceiver RS485 communicates; left side circuit is that infrared, RS485, RS232 are when sharing one UART (asynchronous transmission transceiver); UART receives process, selects to pass through by receiving circuit.As shown in Figure 3, first change-over circuit comprises the 3rd chip U3, the 6th electric capacity C6, the 7th electric capacity C7, the 8th electric capacity C8, the 9th electric capacity C9, the tenth electric capacity C10, the 8th resistance R8, the 9th resistance R9,6th electric capacity C6, the 7th electric capacity C7, the 8th electric capacity C8, the 9th electric capacity C9, the tenth electric capacity C10, the 8th resistance R8, the 9th resistance R9 are connected with the 3rd chip U3, and the 7th electric capacity C7 connects with the 8th electric capacity C8.
As shown in Figure 4, second change-over circuit comprises the 3rd resistance R3, the 4th resistance R4, the 5th resistance R5, the 6th resistance R6, the 7th resistance R7, the 5th electric capacity C5, the first triode Q1, the second chip U2,3rd resistance R3 is connected with the base stage of the first triode Q1,4th resistance R4 is connected with the collector of the first triode Q1,4th resistance R4 is in parallel with the 5th resistance R5, and the 5th resistance R5, the 5th electric capacity C5, the 6th resistance R6, the 7th resistance R7 are connected with the second chip U2.Second chip U2 is BL3085A cake core.The Main Function of the second change-over circuit is for Transistor-Transistor Logic level turns 232 level, and chip uses SP3222E cake core, is RS232 transceiver to portable or handheld application a solution as notebook or palmtop computer.SP3222E chip has an efficient charge pump, only needs 0.1 μ F electric capacity just can operate when operating voltage is 3.3V.Charge pump sends the signal meeting 232 interfaces under allowing SP3222E chip certain voltage in+3.3V to+5.0V.SP3222E is the device of 2 driver/2 receivers, is applicable to portable or portable equipment (as notebook or palmtop computer).ESD (Electro-static Driven Comb) protection of SP3222E chip makes the pin of driver and receiver can bear ± 15kV human-body model and IEC1000-4-2 bubble-discharge pattern.SP3222E chip comprises a kind of low-power consumption shutdown mode, under this pattern device driver export and charge pump be prohibited.Under off state, source current is lower than 1 μ A.
The Main Function of infrared communication circuit is for Transistor-Transistor Logic level turns infrared communication, infrared emission tube TSAL6200, and infrared receiving tube adopts Width funtion device HS0038B type device.As shown in Figure 5, infrared communication circuit comprises the 4th chip U4, tenth resistance R10, 11 resistance R11, 12 resistance R12, 13 resistance R13, 14 resistance R14, 15 resistance R15, second triode Q2, 3rd triode Q3, 11 electric capacity C11, light emitting diode L1, the base stage of the second triode Q2 is connected with the 11 resistance R11, the collector of the second triode Q2 is connected with the emitter of the 3rd triode Q3, 13 resistance R13 is connected with the base stage of the 3rd triode Q3, tenth resistance R10 connects with the 12 resistance R12, 12 resistance R12, 15 resistance R15 is connected with the 4th chip U4, 15 resistance R15 connects with the 11 electric capacity C11, the collector of the 3rd triode Q3 is connected with light emitting diode L1, light emitting diode L1 connects with the 14 resistance R14.4th chip U4 is infrared receiving tube.
The present invention provides input voltage by the USB interface of notebook computer or Android system panel computer, Transistor-Transistor Logic level is converted to RS232 signal of communication, 485 signals of communication and Infrared communications signals by switch control rule by adapter, realize the data-signal converts communications between multiplex roles, drive or firmware, as long as there is corresponding APK software to realize plug and play without the need to downloading when coordinating the mobile device of Android system to use.The present invention both can use the mobile communication equipment of Android system also can be coordinated to use by matching computer, realizes USB interface and RS232 interface, All-in-One translation function between RS485 interface and infrared interface.
Above-described specific embodiment; the technical matters of solution of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (5)
1. a multifunctional flat docking station, it is characterized in that, it comprises USB and turns asynchronous transmission transceiver circuit, USB interface, asynchronous transmission transceiver, first change-over circuit, 485 interfaces, second change-over circuit, RS232 interface, infrared communication circuit, infrared power switch, USB interface, USB turns asynchronous transmission transceiver circuit, asynchronous transmission transceiver connects successively, infrared communication circuit, first change-over circuit, second change-over circuit is all connected with asynchronous transmission transceiver, first change-over circuit is connected with 485 interfaces, second change-over circuit is connected with RS232 interface, infrared communication circuit is connected with infrared power switch.
2. multifunctional flat docking station according to claim 1, it is characterized in that, described USB turns asynchronous transmission transceiver circuit and comprises the first resistance, the second resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, crystal oscillator, the first chip, first resistance, the second resistance, the first electric capacity, the second electric capacity, the 3rd electric capacity, the 4th electric capacity, crystal oscillator are all connected with the first chip, the first electric capacity and the second Capacitance parallel connection.
3. multifunctional flat docking station according to claim 1, it is characterized in that, described first change-over circuit comprises the 3rd chip, the 6th electric capacity, the 7th electric capacity, the 8th electric capacity, the 9th electric capacity, the tenth electric capacity, the 8th resistance, the 9th resistance, 6th electric capacity, the 7th electric capacity, the 8th electric capacity, the 9th electric capacity, the tenth electric capacity, the 8th resistance, the 9th resistance are all connected with the 3rd chip, the 7th electric capacity and the 8th capacitances in series.
4. multifunctional flat docking station according to claim 1, it is characterized in that, described second change-over circuit comprises the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance, the 5th electric capacity, the first triode, the second chip, 3rd resistance is connected with the base stage of the first triode, 4th resistance is connected with the collector of the first triode, 4th resistance and the 5th resistor coupled in parallel, the 5th resistance, the 5th electric capacity, the 6th resistance, the 7th resistance are all connected with the second chip.
5. multifunctional flat docking station according to claim 1, it is characterized in that, described infrared communication circuit comprises the 4th chip, tenth resistance, 11 resistance, 12 resistance, 13 resistance, 14 resistance, 15 resistance, second triode, 3rd triode, 11 electric capacity, light emitting diode, the base stage of the second triode is connected with the 11 resistance, the collector of the second triode is connected with the emitter of the 3rd triode, 13 resistance is connected with the base stage of the 3rd triode, tenth resistance and the 12 resistant series, 12 resistance, 15 resistance is all connected with the 4th chip, 15 resistance and the 11 capacitances in series, the collector of the 3rd triode is connected with light emitting diode, light emitting diode and the 14 resistant series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410747420.6A CN104484300A (en) | 2014-12-10 | 2014-12-10 | Multifunctional panel docking station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410747420.6A CN104484300A (en) | 2014-12-10 | 2014-12-10 | Multifunctional panel docking station |
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| CN104484300A true CN104484300A (en) | 2015-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410747420.6A Pending CN104484300A (en) | 2014-12-10 | 2014-12-10 | Multifunctional panel docking station |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020184543A1 (en) * | 2001-05-31 | 2002-12-05 | Philips Semiconductor, Inc. | Power and frequency adjustable UART device |
| CN103853684A (en) * | 2014-03-18 | 2014-06-11 | 苏州大学 | Serial bus communication bridging device |
| CN104142900A (en) * | 2014-08-04 | 2014-11-12 | 西京学院 | Communication interface converting device |
| CN204302967U (en) * | 2014-12-10 | 2015-04-29 | 青岛东软载波科技股份有限公司 | Multifunctional flat docking station |
-
2014
- 2014-12-10 CN CN201410747420.6A patent/CN104484300A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020184543A1 (en) * | 2001-05-31 | 2002-12-05 | Philips Semiconductor, Inc. | Power and frequency adjustable UART device |
| CN103853684A (en) * | 2014-03-18 | 2014-06-11 | 苏州大学 | Serial bus communication bridging device |
| CN104142900A (en) * | 2014-08-04 | 2014-11-12 | 西京学院 | Communication interface converting device |
| CN204302967U (en) * | 2014-12-10 | 2015-04-29 | 青岛东软载波科技股份有限公司 | Multifunctional flat docking station |
Non-Patent Citations (2)
| Title |
|---|
| 林华: ""USB-UART/RS485/红外接口转换器设计"", 《技术纵横》 * |
| 董海波 等: ""USB串行口三合一转换器设计"", 《人工智能及识别技术》 * |
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Application publication date: 20150401 |