CN102801534A - Data transmission device - Google Patents
Data transmission device Download PDFInfo
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- CN102801534A CN102801534A CN2012103074258A CN201210307425A CN102801534A CN 102801534 A CN102801534 A CN 102801534A CN 2012103074258 A CN2012103074258 A CN 2012103074258A CN 201210307425 A CN201210307425 A CN 201210307425A CN 102801534 A CN102801534 A CN 102801534A
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Abstract
The invention relates to a data transmission device which comprises an alternating current-direct current (AC-DC) power conversion and filter circuit, wherein the input end of the AC-DC power conversion and filter circuit is connected with AC input, and the output end of the AC-DC power conversion and filter circuit is connected with the input end of a data processing circuit; the output end of the data processing circuit is connected with a display circuit; and the data processing circuit is communicated with an upper computer and communicated with a lower computer through intrinsic safety and non-intrinsic safety isolating circuits. According to the data transmission device, mutual conversion between the 485 protocol and the 232 protocol is finished, so that the upper computer can be normally communicated with the lower computer, and in the device, the intrinsic safety and non-intrinsic safety isolating circuits are adopted, so that the intrinsic safety and non-intrinsic safety isolation is realized, the circuit is well protected, and the circuit safety is improved; and meanwhile, due to the display circuit, the data transmission process can be monitored in real time, and the problems can be timely discovered and solved.
Description
Technical field
The present invention relates to a kind of data transmission device.
Background technology
At present; Existing general intrinsically safe data transmission device adopts the bus communication mode mostly and has lightning Protection Design; Though this kind data transmission device all has powerful advantage at aspects such as network opening property, communication reliability, network communication distance, network node number, transfer of data real-time, system design cost, anti-thunderbolts; Yet,, reduced the fail safe of circuit owing to intrinsic safety type circuit and non-intrinsic safety type circuit are not isolated; Simultaneously, address is discerned automatically, communication receiving/transmission state deixis owing to not having, and can't accomplish real-time monitoring to the communication state at scene.
Summary of the invention
The data transmission device that the object of the present invention is to provide a kind of fail safe that improves circuit, the communication state at scene is monitored in real time.
For realizing above-mentioned purpose; The present invention has adopted following technical scheme: a kind of data transmission device comprises AC-DC power source conversion and filter circuit, its input termination alternating current input; Its output links to each other with the input of data processing circuit; The output of data processing circuit links to each other with display circuit, data processing circuit and upper machine communication, and data processing circuit is through intrinsic safety and non-intrinsic safety buffer circuit and slave computer communication.
Can know by technique scheme; The present invention has accomplished the mutual conversion of 485 agreements and 232 agreements; Make host computer and the next function normal communication, and in device, adopted intrinsic safety and non-intrinsic safety buffer circuit, realized the isolation of intrinsic safety and non-intrinsic safety; Circuit is played a very good protection, improved the fail safe of circuit.Simultaneously,, make the transmission course of data to monitor in real time, go wrong and in time to find and to solve owing to be equipped with display circuit.
Description of drawings
Fig. 1, the 2nd, circuit block diagram of the present invention;
Fig. 3 is the circuit theory diagrams of AC-DC power source conversion and filter circuit among the present invention, power isolation circuit;
Fig. 4 is the circuit theory diagrams of lightning protection circuit among the present invention;
Fig. 5 is the circuit theory diagrams of SN65LBC176 chip among the present invention, intrinsic safety and non-intrinsic safety buffer circuit;
Fig. 6,7 is respectively the circuit theory diagrams of MAX232 chip among the present invention, STC single-chip microcomputer.
Embodiment
A kind of data transmission device; Comprise AC-DC power source conversion and filter circuit 1; Its input termination alternating current input, its output links to each other with the input of data processing circuit, and the output of data processing circuit links to each other with display circuit 2; Data processing circuit and upper machine communication, data processing circuit is through intrinsic safety and non-intrinsic safety buffer circuit 3 and slave computer communication.
As shown in Figure 1; Described data processing circuit is made up of STC single-chip microcomputer, MAX232 chip and SN65LBC176 chip; AC-DC power source conversion and filter circuit 1 are respectively to STC single-chip microcomputer and MAX232 chip power supply, and AC-DC power source conversion and filter circuit 1 pass through power isolation circuit 5 to the SN65LBC176 chip power supply.Alternating current behind AC-DC power source conversion and filter circuit is+the 5V direct current is as the power supply of this device; This power supply divides two-way to export to externally fed; The first via exports STC single-chip microcomputer, the MAX232 chip of data processing circuit to, gives STC single-chip microcomputer, MAX232 chip power supply; The second tunnel output is given the SN65LBC176 chip power supply after power isolation circuit is isolated.
As shown in Figure 2; The input/output terminal of described STC single-chip microcomputer links to each other with non-intrinsic safety buffer circuit 3 with MAX232 chip, intrinsic safety respectively; The output of STC single-chip microcomputer links to each other with display circuit 2; The input/output terminal of MAX232 chip is through first data-interface CON1 and the upper machine communication, and intrinsic safety links to each other with the input/output terminal of SN65LBC176 chip with non-intrinsic safety buffer circuit 3, and the input/output terminal of SN65LBC176 chip is successively through lightning protection circuit 4, the second data-interface CON2 and slave computer communication.Said STC single-chip microcomputer is the master chip of this device; Its data divide three the tunnel and external communication, and first via communication data links to each other with host computer through the first data-interface CON1 with the MAX232 chip, and the second road communication data is after intrinsic safety and 3 isolation of non-intrinsic safety buffer circuit; Link to each other with slave computer through the second data-interface CON2 with the SN65LBC176 chip; Third Road signal output links to each other with display circuit 2, and the while is in order to strengthen safety of data transmission, prevents that thunder and lightning etc. from threatening to host computer and entire circuit through slave computer; Between the SN65LBC176 chip and the second data-interface CON2, increased lightning protection circuit 4, lightning protection circuit 4 plays the effect of anti-surge, anti-thunderbolt.Intrinsic safety and non-intrinsic safety buffer circuit 3 are arranged between SN65LBC176 chip and the STC single-chip microcomputer, isolate the signal in two circuits; Display circuit 2 is used to indicate, show the communication state of slave computer.
As shown in Figure 3; Described AC-DC power source conversion and filter circuit 1 comprise the EMI chip, and its 1st, 2,3 pin connects alternating current, and its 4th, 5 pin links to each other with the 3rd, 2 pins of AC-DC power module respectively; The AC-DC power module is the M1 chip among Fig. 3; Tantalum capacitor C 13 is connected across on the 4th, 5 pins of AC-DC power module, and capacitor C 12 is parallelly connected with tantalum capacitor C 13, and the anode of tantalum capacitor C 13 is power supply VCC; Power isolation circuit 5 comprises chip U6, and its 1st, 2 pin links to each other with the two ends of capacitor C 12 respectively, and tantalum capacitor C 10 is connected across on the 3rd, 4 pins of chip U6, and capacitor C 11 is parallelly connected with tantalum capacitor C 10, and the output of capacitor C 11 is power supply VDD.
As shown in Figure 4, described lightning protection circuit 4 comprises lightning protection diode D1, D5, and the end of the two altogether; The other end of the two links to each other with the two ends of resistance R 9 respectively, and resistance R 9 is parallelly connected with lightning protection diode D2, and the two ends of lightning protection diode D2 link to each other with the end of thermistor Rt1, Rt2 respectively; The other end of thermistor Rt1, Rt2 links to each other with the 1st, 2 pins of inductance L 1 respectively; The 4th, 3 pins of inductance L 1 link to each other with the end of fuse F 1, F2 respectively, and the other end of fuse F 1, F2 links to each other with resistance R 7, R10 respectively, and resistance 7 is connected with resistance R 8; Resistance R 10 is connected with resistance R 11; Resistance R 8 connects the 1st pin of the second data-interface CON2, and resistance R 11 connects the 5th pin of the second data-interface CON2, the 3rd pin ground connection of the second data-interface CON2; One of Transient Suppression Diode D3 terminates between fuse F 1 and the resistance R 7, and the other end is connected between fuse F 2 and the resistance R 10; One of Transient Suppression Diode D4 terminates between resistance R 7, the R8, and the other end is connected between resistance R 10, the R11.
As shown in Figure 5; Described intrinsic safety and non-intrinsic safety buffer circuit 3 are made up of optocoupler U1, U4, and the 1st pin of optocoupler U1 meets power supply VDD, and the 2nd pin links to each other with the 1st pin of SN65LBC176 chip through resistance R 1; The 3rd pin ground connection; The 4th pin divides two-way, and one the tunnel meets power supply VCC through resistance R 2, and another road is connected with the 11st pin of MAX232 chip and 39 pin of STC chip simultaneously; The 1st pin of optocoupler U4 meets power supply VCC; The 2nd pin links to each other with the 12nd pin of MAX232 chip and the 5th pin of STC single-chip microcomputer through resistance R 5 simultaneously; The 3rd pin divides two-way; One the tunnel through resistance R 6 ground connection, and another road is connected with the 2nd, 3 pins of SN65LBC176 chip, and the 4th pin meets power vd D; The 4th, 5 pin ground connection of said SN65LBC176 chip, the 7th pin is through resistance R 4 ground connection, and the 6th pin meets power vd D through resistance R 3, and the 8th pin divides two-way, and one the tunnel meets power vd D, and another road is ground connection behind the capacitor C 1 of parallel connection, C2.
As shown in Figure 6, the 2nd pin of said MAX232 chip one the tunnel meets power supply VCC after tantalum capacitor C 5, and another road is through tantalum capacitor C 3 ground connection; The 16th pin one tunnel meets power supply VCC, and another road is through tantalum capacitor C 3 ground connection, and the 14th pin is connected with the 2nd pin of the first data-interface CON1; The 13rd pin is connected with the 3rd pin of the first data-interface CON1, and the 6th pin is through tantalum capacitor C 7 ground connection, the 8th, 10,15 pin ground connection; 1st, 3 pins connect through tantalum capacitor C 4; 4th, 5 pins connect through tantalum capacitor C 6, and the 11st pin connects the 4th pin of optocoupler U1 and 39 pin of STC chip, and the 12nd pin connects the 2nd pin of optocoupler U4 and the 5th pin of STC single-chip microcomputer.
As shown in Figure 7; The 38th pin of said STC single-chip microcomputer meets power supply VCC; The 4th pin one tunnel is through resistance R 17 ground connection, and another road meets power supply VCC through tantalum capacitor C 16, the 16th pin ground connection; The 5th pin connects the 2nd pin of optocoupler U4, the 12nd pin of MAX232 chip respectively, and the 39th pin connects the 4th pin of optocoupler U1, the 11st pin of MAX232 chip respectively.
Said display circuit 2 is made up of Light-Emitting Diode and display screen; Said light-emitting diode has red, yellow, green three light-emitting diodes, and redness is used for the electric power thus supplied of display circuit, yellow indication slave computer data are sent situation, green indication slave computer Data Receiving situation; Said display screen is a certain in many slave computers according to showing that different character strings is expressed what transmit data, thereby plays the real-time monitoring of transfer of data.
Behind the power connection in the circuit; AC-DC power source conversion and filter circuit 1 are converted into galvanic current with the alternating current in the circuit and give STC single-chip microcomputer, MAX232 chip, SN65LBC176 chip power supply; And utilize power isolation circuit 5 that the power supply of the power supply of SN65LBC176 chip and STC single-chip microcomputer, MAX232 chip is isolated, play a protective role.When slave computer passes through the second data-interface CON2 to the host computer transmission signals; 485 agreements of slave computer convert the TTL agreement into through the SN65LBC176 chip, and the TTL agreement converts 232 agreements into and is transferred on the host computer through the first data-interface CON1 behind the MAX232 chip; Simultaneously, the slave computer information that the STC single-chip microcomputer will transmit data shows through display screen, and through power supply in the light-emitting diode indicating circuit and data send, reception condition.
Claims (8)
1. data transmission device; It is characterized in that: comprise AC-DC power source conversion and filter circuit (1); Its input termination alternating current input, its output links to each other with the input of data processing circuit, and the output of data processing circuit links to each other with display circuit (2); Data processing circuit and upper machine communication, data processing circuit is through intrinsic safety and non-intrinsic safety buffer circuit (3) and slave computer communication.
2. data transmission device according to claim 1; It is characterized in that: described data processing circuit is made up of STC single-chip microcomputer, MAX232 chip and SN65LBC176 chip; AC-DC power source conversion and filter circuit (1) are respectively to STC single-chip microcomputer and MAX232 chip power supply, and AC-DC power source conversion and filter circuit (1) pass through power isolation circuit (5) to the SN65LBC176 chip power supply.
3. data transmission device according to claim 2; It is characterized in that: the input/output terminal of described STC single-chip microcomputer links to each other with non-intrinsic safety buffer circuit (3) with MAX232 chip, intrinsic safety respectively; The output of STC single-chip microcomputer links to each other with display circuit (2); The input/output terminal of MAX232 chip is through first data-interface CON1 and the upper machine communication; Intrinsic safety links to each other with the input/output terminal of SN65LBC176 chip with non-intrinsic safety buffer circuit (3), and through lightning protection circuit (4), second data-interface CON2 and slave computer communication, Light-Emitting Diode and display screen be made up of successively by described display circuit (2) for the input/output terminal of SN65LBC176 chip.
4. data transmission device according to claim 2; It is characterized in that: described AC-DC power source conversion and filter circuit (1) comprise the EMI chip; Its 1st, 2,3 pin connects alternating current, and its 4th, 5 pin links to each other with the 3rd, 2 pins of AC-DC power module respectively, and tantalum capacitor C 13 is connected across on the 4th, 5 pins of AC-DC power module; Capacitor C 12 is parallelly connected with tantalum capacitor C 13, and the anode of tantalum capacitor C 13 is power supply VCC; Power isolation circuit (5) comprises chip U6, and its 1st, 2 pin links to each other with the two ends of capacitor C 12 respectively, and tantalum capacitor C 10 is connected across on the 3rd, 4 pins of chip U6, and capacitor C 11 is parallelly connected with tantalum capacitor C 10, and the output of capacitor C 11 is power supply VDD.
5. data transmission device according to claim 3 is characterized in that: described lightning protection circuit (4) comprises lightning protection diode D1, D5, and the end of the two altogether; The other end of the two links to each other with the two ends of resistance R 9 respectively, and resistance R 9 is parallelly connected with lightning protection diode D2, and the two ends of lightning protection diode D2 link to each other with the end of thermistor Rt1, Rt2 respectively; The other end of thermistor Rt1, Rt2 links to each other with the 1st, 2 pins of inductance L 1 respectively; The 4th, 3 pins of inductance L 1 link to each other with the end of fuse F 1, F2 respectively, and the other end of fuse F 1, F2 links to each other with resistance R 7, R10 respectively, and resistance 7 is connected with resistance R 8; Resistance R 10 is connected with resistance R 11; Resistance R 8 connects the 1st pin of the second data-interface CON2, and resistance R 11 connects the 5th pin of the second data-interface CON2, the 3rd pin ground connection of the second data-interface CON2; One of Transient Suppression Diode D3 terminates between fuse F 1 and the resistance R 7, and the other end is connected between fuse F 2 and the resistance R 10; One of Transient Suppression Diode D4 terminates between resistance R 7, the R8, and the other end is connected between resistance R 10, the R11.
6. data transmission device according to claim 3; It is characterized in that: described intrinsic safety and non-intrinsic safety buffer circuit (3) are made up of optocoupler U1, U4, and the 1st pin of optocoupler U1 meets power supply VDD, and the 2nd pin links to each other with the 1st pin of SN65LBC176 chip through resistance R 1; The 3rd pin ground connection; The 4th pin divides two-way, and one the tunnel meets power supply VCC through resistance R 2, and another road is connected with the 11st pin of MAX232 chip and 39 pin of STC chip simultaneously; The 1st pin of optocoupler U4 meets power supply VCC; The 2nd pin links to each other with the 12nd pin of MAX232 chip and the 5th pin of STC single-chip microcomputer through resistance R 5 simultaneously; The 3rd pin divides two-way; One the tunnel through resistance R 6 ground connection, and another road is connected with the 2nd, 3 pins of SN65LBC176 chip, and the 4th pin meets power vd D; The 4th, 5 pin ground connection of said SN65LBC176 chip, the 7th pin is through resistance R 4 ground connection, and the 6th pin meets power vd D through resistance R 3, and the 8th pin divides two-way, and one the tunnel meets power vd D, and another road is ground connection behind the capacitor C 1 of parallel connection, C2.
7. data transmission device according to claim 6 is characterized in that: the 2nd pin of said MAX232 chip one the tunnel meets power supply VCC after tantalum capacitor C 5, another road is through tantalum capacitor C 3 ground connection; The 16th pin one tunnel meets power supply VCC; Another road is through tantalum capacitor C 3 ground connection, and the 14th pin is connected with the 2nd pin of the first data-interface CON1, and the 13rd pin is connected with the 3rd pin of the first data-interface CON1; The 6th pin is through tantalum capacitor C 7 ground connection; 8th, 10,15 pin ground connection, the 1st, 3 pins connect through tantalum capacitor C 4, and the 4th, 5 pins connect through tantalum capacitor C 6; The 11st pin connects the 4th pin of optocoupler U1 and 39 pin of STC chip, and the 12nd pin connects the 2nd pin of optocoupler U4 and the 5th pin of STC single-chip microcomputer.
8. data transmission device according to claim 7; It is characterized in that: the 38th pin of said STC single-chip microcomputer meets power supply VCC; The 4th pin one tunnel is through resistance R 17 ground connection, and another road meets power supply VCC through tantalum capacitor C 16, the 16th pin ground connection; The 5th pin connects the 2nd pin of optocoupler U4, the 12nd pin of MAX232 chip respectively, and the 39th pin connects the 4th pin of optocoupler U1, the 11st pin of MAX232 chip respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103074258A CN102801534A (en) | 2012-08-27 | 2012-08-27 | Data transmission device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103074258A CN102801534A (en) | 2012-08-27 | 2012-08-27 | Data transmission device |
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| CN102801534A true CN102801534A (en) | 2012-11-28 |
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| CN2012103074258A Pending CN102801534A (en) | 2012-08-27 | 2012-08-27 | Data transmission device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103152237A (en) * | 2013-02-13 | 2013-06-12 | 刘洋宏 | Module for converting 1527 or 2262 coded wireless signal to TTL (Transistor-Transistor Logic), 232 or 485 level |
| CN104459309A (en) * | 2014-12-23 | 2015-03-25 | 国家电网公司 | Electric energy meter data protocol converter and use method for converter |
| CN107888585A (en) * | 2017-11-09 | 2018-04-06 | 山东船舶技术研究院 | Multiplexing isolation full-duplex communication module |
| CN109976182A (en) * | 2019-04-22 | 2019-07-05 | 湖南德熠智能科技有限公司 | Household electrical appliance AI control system based on technology of Internet of things |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202103647U (en) * | 2011-05-16 | 2012-01-04 | 浙江省电力公司紧水滩水力发电厂 | Relay protection data converter |
| CN202257559U (en) * | 2011-08-25 | 2012-05-30 | 北京凯瑟新起点科技发展有限公司 | Safety communication interface circuit |
| CN202759468U (en) * | 2012-08-27 | 2013-02-27 | 合肥海明科技开发有限责任公司 | Data transmission device |
-
2012
- 2012-08-27 CN CN2012103074258A patent/CN102801534A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202103647U (en) * | 2011-05-16 | 2012-01-04 | 浙江省电力公司紧水滩水力发电厂 | Relay protection data converter |
| CN202257559U (en) * | 2011-08-25 | 2012-05-30 | 北京凯瑟新起点科技发展有限公司 | Safety communication interface circuit |
| CN202759468U (en) * | 2012-08-27 | 2013-02-27 | 合肥海明科技开发有限责任公司 | Data transmission device |
Non-Patent Citations (3)
| Title |
|---|
| 冯楠等: "基于RS 232及红外接口的多功能通讯实验板的设计", 《现代电子技术》, no. 233, 30 September 2006 (2006-09-30), pages 71 - 73 * |
| 王丁磊: "RS-232至RS-422/485接口多路转换电路", 《河南广播电视大学学报》, vol. 16, no. 3, 30 September 2003 (2003-09-30), pages 75 - 77 * |
| 陈凡等: "基于STC11F02E的RS232/RS485转换器设计", 《世界电子元器件》, no. 3, 31 March 2010 (2010-03-31), pages 69 - 72 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103152237A (en) * | 2013-02-13 | 2013-06-12 | 刘洋宏 | Module for converting 1527 or 2262 coded wireless signal to TTL (Transistor-Transistor Logic), 232 or 485 level |
| CN103152237B (en) * | 2013-02-13 | 2015-09-02 | 刘洋宏 | 1527 or 2262 encoded wireless signal turn TTL or 232 or 485 level block |
| CN104459309A (en) * | 2014-12-23 | 2015-03-25 | 国家电网公司 | Electric energy meter data protocol converter and use method for converter |
| CN104459309B (en) * | 2014-12-23 | 2017-06-09 | 国家电网公司 | The application method of electric energy meter hough transformation converter and the converter |
| CN107888585A (en) * | 2017-11-09 | 2018-04-06 | 山东船舶技术研究院 | Multiplexing isolation full-duplex communication module |
| CN109976182A (en) * | 2019-04-22 | 2019-07-05 | 湖南德熠智能科技有限公司 | Household electrical appliance AI control system based on technology of Internet of things |
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Application publication date: 20121128 |