CN204993039U - Remote communication power serial circuits - Google Patents
Remote communication power serial circuits Download PDFInfo
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- CN204993039U CN204993039U CN201520632371.1U CN201520632371U CN204993039U CN 204993039 U CN204993039 U CN 204993039U CN 201520632371 U CN201520632371 U CN 201520632371U CN 204993039 U CN204993039 U CN 204993039U
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Abstract
The utility model provides a remote communication power serial circuits, including inserting terminal and inside and outside communication interface, the access terminal is connected inside and outside communication interface, inside and outside communication interface has connect and has cut straightly serial communication converting circuit, the access terminal reaches inside and outside communication interface is connected with vary voltage circuit and DCDC transfer circuit through third inductance and first inductance respectively, inside and outside communication interface's input has still met an optoelectronic isolation switch circuit, inside and outside communication interface's output termination has the 2nd optoelectronic isolation switch circuit for solve the problem among the prior art.
Description
Technical field
The utility model belongs to circuit power technical field, particularly a kind of telecommunication power supply serial port circuit.
Background technology
Serial server is exactly the interface converting apparatus that serial ports is connected to network, serial ports generally comprises RS-232/485/422, procotol also refers to ICP/IP protocol, so serial server also can be called that RS-232/485/422 data mode and TCP/IP form data forward communication interface converter mutually.Along with the development of network and modern information technologies, at the automatic application needs that control, remote monitor is carried out to the equipment be distributed in all over the world, as the monitoring of long-range transportation network, had complete network layout at itself, the serial server for realizing communication between equipment serial ports being converted into network interface has just arisen at the historic moment.
But, the common operating voltage of current serial server is generally 3.3V, 5V, 12V etc., therefore the operating voltage of difference in functionality circuit is caused to have gap, may cause partial circuit burn or partial circuit cannot normally work, if directly access power supply, may cause the distortion of signal, produce noise and interference.
Therefore, need now a kind of telecommunication power supply serial port circuit badly, the normal work of each functional circuit can not be ensured, turn avoid the risk be burned, but also distorted signals can be avoided and produce noise and interference.
Utility model content
The utility model proposes a kind of telecommunication power supply serial port circuit, the operating voltage solving difference in functionality circuit in prior art has gap, may cause partial circuit burn or partial circuit cannot normally work, if directly access power supply, may cause the distortion of signal, produce the problem of noise and interference.
The technical solution of the utility model is achieved in that the utility model telecommunication power supply serial port circuit, comprise access terminal and inside and outside communication interface, inside and outside communication interface described in described incoming end sub-connection, described inside and outside communication interface is connected to serial communication change-over circuit, described access terminal and described inside and outside communication interface are connected with transforming circuit and DC/DC translation circuit respectively by the 3rd inductance and the first inductance, the input of described inside and outside communication interface is also connected to the first photoelectric switch circuit, the output of described inside and outside communication interface is connected to the second photoelectric switch circuit.
As one preferred embodiment, described inside and outside communication interface is the single slot of 5 socket type.
As one preferred embodiment, described transforming circuit comprises the fixed integrated regulator of three ends, the input of the fixed integrated regulator of described three end is connected to the negative pole of the second diode, and the output of the fixed integrated regulator of described three end is connected to the 3rd light-emitting diode.
As one preferred embodiment, the input of the fixed integrated regulator of described three end passes through and ground connection after connecing the 6th electrochemical capacitor and the 8th tantalum electrochemical capacitor.
As one preferred embodiment, described first photoelectric switch circuit comprises the first photoelectrical coupler and the 3rd triode, second pin of described first photoelectrical coupler connects the collector electrode of described 3rd triode, 3rd pin of described first optical coupler connects the emitter of described 3rd triode, be connected to the 11 resistance between the collector electrode of described 3rd triode and base stage, the emitter of described 3rd triode is by the 18 grounding through resistance.
As one preferred embodiment, described 3rd triode is NPN type triode.
As one preferred embodiment, described second photoelectric switch circuit comprises the second photoelectrical coupler and the 5th triode, second pin of described second photoelectrical coupler connects the collector electrode of described 5th triode, 3rd pin of described second photoelectrical coupler connects the emitter of described 5th triode, be connected to the 3rd resistance between the base stage of described 5th triode and collector electrode, the emitter of described 5th triode is by the 20 grounding through resistance.
As one preferred embodiment, described 5th triode is NPN type triode.
As one preferred embodiment, described DC/DC translation circuit comprises DC power supplier, the first diode and the second inductance, the input of described DC power supplier connects the negative pole of the first diode, and the input of described DC power supplier is by described second inductance access supply voltage.
As one preferred embodiment, described DC power supplier is connected to indicating circuit, the second light-emitting diode of described indicating circuit serial connection and the 4th resistance, the positive pole access supply voltage of described second light-emitting diode, the other end ground connection of described 4th resistance.
After have employed technique scheme, the beneficial effects of the utility model are: realize voltage by the fixed integrated regulator of three ends, concrete magnitude of voltage carries out arranging and adjusting according to different demand, DC converting is realized by DC/DC translation circuit, by the first photoelectric switch circuit and the second photoelectric switch circuit realiration Phototube Coupling, and realize when the base stage high level of the 5th diode exporting conducting, input conducting is realized when the base stage high level of the 3rd diode, ensure transmitting synchronous, enough ensure the normal work of each functional circuit, turn avoid the risk be burned, but also can distorted signals be avoided, and produce noise and interference.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the block diagram of the utility model telecommunication power supply serial port circuit;
Fig. 2 is the binding post of the utility model telecommunication power supply serial port circuit, inside and outside communication interface circuit figure;
Fig. 3 is the circuit diagram of the utility model transition of communications circuit;
Fig. 4 is the circuit diagram of the transforming circuit of the utility model telecommunication power supply serial port circuit;
Fig. 5 is the circuit diagram of the DC/DC translation circuit of the utility model telecommunication power supply serial port circuit;
Fig. 6 is the indicating circuit circuit diagram of the utility model telecommunication power supply serial port circuit DC/DC translation circuit;
Fig. 7 is the circuit diagram of the first photoelectric switch circuit of the utility model telecommunication power supply serial port circuit;
Fig. 8 is the circuit diagram of the second photoelectric switch circuit of the utility model telecommunication power supply serial port circuit.
In figure, D1-first diode D2-second diode; DS2-second light-emitting diode; DS3-the 3rd light-emitting diode; Q3-the 3rd triode; Q5-the 5th triode; U6-first photoelectrical coupler; U8-second photoelectrical coupler; L1-first inductance; L2-second inductance; L3-the 3rd inductance; R3-the 3rd resistance; R4-the 4th resistance; R18-the 18 resistance; P1-accesses terminal; Communication interface inside and outside P6-; CT6-the 6th electrochemical capacitor; CT8-the 8th tantalum electrochemical capacitor; R4-the 4th resistance; R5-the 5th resistance; R6-the 6th resistance; R11-the 11 resistance; R18-the 18 resistance; R20-the 20 resistance; R21-the 21 resistance.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, the block diagram of the utility model telecommunication power supply serial port circuit, comprise access terminal P1 and inside and outside communication interface P8, access terminal P1 connects described inside and outside communication interface P8, inside and outside communication interface P8 is connected to serial communication change-over circuit, access terminal P1 and described inside and outside communication interface P8 is connected with transforming circuit and DC/DC translation circuit respectively by the 3rd inductance L 3 and the first inductance L 1, the input of inside and outside communication interface P8 is also connected to the first photoelectric switch circuit, and the output of inside and outside communication interface P8 is connected to the second photoelectric switch circuit.
Based on above-mentioned design, please refer to Fig. 2-Fig. 8, inside and outside the utility model, communication interface P8 is the single slot of 5 socket type, serial communication change-over circuit adopts MAX232acpe chip to realize signal conversion, transforming circuit comprises the fixed integrated regulator of three ends, the input of the fixed integrated regulator of three ends is connected to the negative pole of the second diode D2, the positive pole of the second diode D2 is connected with the 3rd inductance L 3, the output of the fixed integrated regulator of three ends is connected to the positive pole of the 3rd light-emitting diode DS3, the negative pole of the 3rd light-emitting diode DS3 is exported by the 5th resistance R5, the input of the fixed integrated regulator of three ends passes through and ground connection after meeting the 6th electrochemical capacitor CT6 and the 8th tantalum electrochemical capacitor CT8, first photoelectric switch circuit comprises the first photoelectrical coupler U6 and the 3rd triode Q3, second pin of the first photoelectrical coupler U6 connects the collector electrode of the 3rd triode Q3, 3rd pin of the first optical coupler connects the emitter of described 3rd triode Q3, the 11 resistance R11 is connected between the collector electrode of the 3rd triode Q3 and base stage, the emitter of the 3rd triode Q3 is by the 18 resistance R18R8 ground connection, 3rd triode Q3 is NPN type triode, the 5th pin ground connection of the first photoelectrical coupler U6, 6th pin of the first photoelectrical coupler U6 is connected to the 21 resistance R21, 6th pin of the first photoelectrical coupler U6 meets supply voltage VCC, second photoelectric switch circuit comprises the second photoelectrical coupler U8 and the 5th triode Q5, second pin of the second photoelectrical coupler U8 connects the collector electrode of the 5th triode Q5, 3rd pin of the second photoelectrical coupler U8 connects the emitter of described 5th triode Q5, the 3rd resistance R3 is connected between the base stage of the 5th triode Q5 and collector electrode, the emitter of the 5th triode Q5 is by the 20 resistance R20 ground connection, 5th triode Q5 is NPN type triode, 6th pin of the second photoelectrical coupler U8 meets VCCA by the 6th resistance R6, described DC/DC translation circuit comprises DC power supplier, first diode D1 and the second inductance L 2, the input of DC power supplier connects the negative pole of the first diode D1, the input of DC power supplier accesses supply voltage VCC by described second inductance L 2, DC power supplier is connected to indicating circuit, second light-emitting diode DS2 of indicating circuit serial connection and the 4th resistance R4, the positive pole access supply voltage of the second light-emitting diode DS2, the other end ground connection of the 4th resistance R4.
The operation principle of this network communication power serial port circuit is: realize voltage transformation by the fixed integrated regulator of three ends, concrete magnitude of voltage carries out arranging and adjusting according to different demand, DC converting is realized by DC/DC translation circuit, by the first photoelectric switch circuit and the second photoelectric switch circuit realiration Phototube Coupling, and realize when the base stage high level of the 5th diode Q5 exporting conducting, input conducting is realized when the base stage high level of the 3rd diode Q3, ensure transmitting synchronous, enough ensure the normal work of each functional circuit, turn avoid the risk be burned, but also can distorted signals be avoided, and produce noise and interference.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (9)
1. a telecommunication power supply serial port circuit, it is characterized in that, comprise access terminal and inside and outside communication interface, inside and outside communication interface described in described incoming end sub-connection, described inside and outside communication interface is connected to serial communication change-over circuit, described access terminal and described inside and outside communication interface are connected with transforming circuit and DC/DC translation circuit respectively by the 3rd inductance and the first inductance, the input of described inside and outside communication interface is also connected to the first photoelectric switch circuit, the output of described inside and outside communication interface is connected to the second photoelectric switch circuit, described transforming circuit comprises the fixed integrated regulator of three ends, the input of the fixed integrated regulator of described three end is connected to the negative pole of the second diode, the output of the fixed integrated regulator of described three end is connected to the positive pole of the 3rd light-emitting diode.
2. telecommunication power supply serial port circuit according to claim 1, is characterized in that, described inside and outside communication interface is the single slot of 5 socket type.
3. telecommunication power supply serial port circuit according to claim 1, is characterized in that, the input of the fixed integrated regulator of described three end passes through and ground connection after connecing the 6th electrochemical capacitor and the 8th tantalum electrochemical capacitor.
4. telecommunication power supply serial port circuit according to claim 1, it is characterized in that, described first photoelectric switch circuit comprises the first photoelectrical coupler and the 3rd triode, second pin of described first photoelectrical coupler connects the collector electrode of described 3rd triode, 3rd pin of described first optical coupler connects the emitter of described 3rd triode, be connected to the 11 resistance between the collector electrode of described 3rd triode and base stage, the emitter of described 3rd triode is by the 18 grounding through resistance.
5. telecommunication power supply serial port circuit according to claim 4, is characterized in that, described 3rd triode is NPN type triode.
6. telecommunication power supply serial port circuit according to claim 5, it is characterized in that, described second photoelectric switch circuit comprises the second photoelectrical coupler and the 5th triode, second pin of described second photoelectrical coupler connects the collector electrode of described 5th triode, 3rd pin of described second photoelectrical coupler connects the emitter of described 5th triode, be connected to the 3rd resistance between the base stage of described 5th triode and collector electrode, the emitter of described 5th triode is by the 20 grounding through resistance.
7. telecommunication power supply serial port circuit according to claim 6, is characterized in that, described 5th triode is NPN type triode.
8. telecommunication power supply serial port circuit according to claim 1, it is characterized in that, described DC/DC translation circuit comprises DC power supplier, the first diode and the second inductance, the input of described DC power supplier connects the negative pole of the first diode, and the input of described DC power supplier is by described second inductance access supply voltage.
9. telecommunication power supply serial port circuit according to claim 8, it is characterized in that, described DC power supplier is connected to indicating circuit, second light-emitting diode of described indicating circuit serial connection and the 4th resistance, the positive pole access supply voltage of described second light-emitting diode, the other end ground connection of described 4th resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632371.1U CN204993039U (en) | 2015-08-20 | 2015-08-20 | Remote communication power serial circuits |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520632371.1U CN204993039U (en) | 2015-08-20 | 2015-08-20 | Remote communication power serial circuits |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204993039U true CN204993039U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520632371.1U Active CN204993039U (en) | 2015-08-20 | 2015-08-20 | Remote communication power serial circuits |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204993039U (en) |
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2015
- 2015-08-20 CN CN201520632371.1U patent/CN204993039U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Feng Fengjiang Inventor after: Xiao Feng Inventor after: Yang Suli Inventor after: Yang Fan Inventor after: Wu Bingjun Inventor after: Niu Lei Inventor after: Zhang Jialong Inventor after: Zhang Yuan Inventor after: Xu Panqiang Inventor after: Gao Juncheng Inventor before: Feng Fengjiang |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 050004, blue diamond named 1-A-514, 19 Xinhua Street, Hebei, Shijiazhuang Patentee after: Hebei Shangyuan intelligent Polytron Technologies Inc Address before: 050004, blue diamond named 1-A-514, 19 Xinhua Street, Hebei, Shijiazhuang Patentee before: HEBEI SHANGYUAN INDUSTRIAL COMTROL LTD. |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Feng Fengjiang Inventor after: Xiao Feng Inventor after: Li Shimin Inventor after: Gao Man Inventor after: Yang Suli Inventor after: Yang Fan Inventor after: Wu Bingjun Inventor after: Niu Lei Inventor after: Zhang Jialong Inventor after: Zhang Yuan Inventor after: Xu Panqiang Inventor after: Gao Juncheng Inventor before: Feng Fengjiang Inventor before: Xiao Feng Inventor before: Yang Suli Inventor before: Yang Fan Inventor before: Wu Bingjun Inventor before: Niu Lei Inventor before: Zhang Jialong Inventor before: Zhang Yuan Inventor before: Xu Panqiang Inventor before: Gao Juncheng |