CN106817212A - A kind of device of short-distance and medium-distance high withstand voltage isolation communication - Google Patents
A kind of device of short-distance and medium-distance high withstand voltage isolation communication Download PDFInfo
- Publication number
- CN106817212A CN106817212A CN201611157440.3A CN201611157440A CN106817212A CN 106817212 A CN106817212 A CN 106817212A CN 201611157440 A CN201611157440 A CN 201611157440A CN 106817212 A CN106817212 A CN 106817212A
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- China
- Prior art keywords
- distance
- photodiode
- plastic tube
- equipment
- short
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
Abstract
The invention discloses a kind of device of short-distance and medium-distance high withstand voltage isolation communication, solve the problems, such as that existing apparatus are not easy to short-distance and medium-distance communication in power equipment, it is characterized in that a pair of the plastic tube including two pairs, photodiode, correspondence size, a two for plastic tube is respectively fixed to by the receiving terminal and transmitting terminal of a pair of photodiodes；Wherein, one photoelectric diode transmitting tube positive pole is connected to high-pressure side signal processor or equipment of serial output end by current-limiting resistance, negative pole is grounded, the photoelectric diode reception pipe positive pole in the branch plastic tube is connected to low-pressure end signal processor or equipment receiving terminal simultaneously, negative pole is grounded, and another is connected by opposite connection with signal processor or equipment.The present invention make easily, it is small volume, simple and practical, be capable of achieving duplex signaling, and low in energy consumption, resistance to pressure, matched completely with the device such as single-chip microprocessor MCU or equipment interface, without special conversion chip, communication security reliability.
Description
Technical field
The invention belongs to field of measurement technique of electrical equipment, and in particular to a kind of dress of short-distance and medium-distance high withstand voltage isolation communication
Put.
Background technology
High-low pressure communication distance is generally 5-50cm in current power equipment, and the device for communicating upper communication over long distances is usual
Using optical fiber receiver-transmitter module, short distance typically uses optocoupler or photoelectric chip.Generally, optical fiber receiver-transmitter module volume is big, peace
Dress is inconvenient, and it is more long to be applicable distance, and power consumption is big, be not suitable for battery power or the power equipment of other low-power consumption in middle short distance
From communication.And, optocoupler or photoelectric chip are applicable distance and too short on the market, and pressure-resistant poor-performing, it is impossible to for handing over
Direct current 5000V above power equipments.So design is a kind of suitable for the high withstand voltage isolation communication of short-distance and medium-distance in power equipment
Device has profound influence for power equipment.
The content of the invention
It is high that the present invention proposes a kind of short-distance and medium-distance for the deficiency of high-low pressure communication device on existing electric power testing equipment
The device of pressure-resistant isolation communication, the serial ports with signal processor or equipment is connected, and is capable of achieving duplex signaling.
Device of the present invention, is characterised by：
Including two pairs, photodiode, correspondence plastic tube two of the same size, respectively by a pair of receiving terminals of photodiode
A two for plastic tube is fixed to transmitting terminal；A photoelectric diode transmitting tube positive pole in a described plastic tube leads to
Cross the serial ports output end that current-limiting resistance is connected to high-pressure side signal processor or equipment, negative pole ground connection, another photoelectric diode
Reception pipe positive pole is connected to the receiving terminal of low-pressure end signal processor or equipment, negative pole ground connection；In another described plastic tube
Photoelectric diode transmitting tube positive pole the serial ports output end of low-pressure end signal processor or equipment is connected to by current-limiting resistance, bear
Pole is grounded, and another photoelectric diode reception pipe positive pole is connected to the receiving terminal of high-pressure side signal processor or equipment, and negative pole connects
Ground.
Described photodiode is the photodiode that market is commonly used；Described plastic tube is the plastic material of black
Common signature pen shell, can reach maximum ac voltage withstanding 24KV, can also use the more preferable material of special pressure-resistant and insulating properties, pressure-resistant
Up to more than 50KV.Can be in every close winding black adhesive plaster in the outside of plastic tube, to prevent infrared light from dissipating color and external signal
Receiving end signal dies down caused by interference.
Use for convenience, the photodiode receiving terminal of a described plastic tube and the pole of photoelectricity two of another plastic tube
Pipe transmitting terminal, a photodiode transmitting terminal for plastic tube is tied up one with the photodiode receiving terminal of another plastic tube
Rise, and the pin of all photodiodes is drawn with wire.
Described signal processor or equipment can carry out the device of signal transmitting reception or set including single-chip microprocessor MCU etc.
It is standby.
The device baud rate of described short-distance and medium-distance high withstand voltage isolation communication can meet portion big absolutely up to 115200Baud/s
Divide power equipment high-low pressure communication need.
The present invention make easily, small volume, simple and practical and low in energy consumption, resistance to pressure, with the signal transacting such as single-chip microprocessor MCU
Device or equipment interface are matched completely, without special conversion chip, communication security reliability, have great meaning to electric device maintenance
Justice.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
1. plastic tube I, 2. plastic tube II, 3. photodiode I, 4. photodiode II, 5. photodiode III,
6. photodiode IV, 7. high-pressure side signal processor or equipment, 8. low-pressure end signal processor or equipment, 9. limit
Leakage resistance I, 10. current-limiting resistance II；
The positive pole of 31. photodiode I, the negative pole of 32. photodiode I, the positive pole of 41. photodiode II, the pole of 42. photoelectricity two
The negative pole of pipe II, the positive pole of 51. photodiode III, the negative pole of 52. photodiode III, the positive pole of 61. photodiode IV, 62.
The negative pole of photodiode IV.
Specific embodiment
As shown in figure 1, a kind of device of short-distance and medium-distance high withstand voltage isolation communication of the present invention connects with MCU serial ports
As a example by.It is specific as follows：
The present invention includes two pairs, photodiode i.e. photodiode I 3, photodiode II 4, photodiode III 5, photoelectricity two
Pole pipe IV 6 and correspondence plastic tube I 1 of the same size, plastic tube II 2 two etc..Described photodiode I 3, the pole of photoelectricity two
Pipe II 4 is a pair, wherein, photodiode I 3 is transmitting terminal, and photodiode II 4 is receiving terminal.Described photodiode
III 5, photodiode IV 6 is another right, wherein, photodiode III 5 is transmitting terminal, and photodiode IV 6 is receiving terminal.
Receiving terminal and transmitting terminal by a pair of photodiodes are that photodiode I 3, photodiode II 4 are fixed to modeling
Two of expects pipe I 1；It is photodiode III 5, photodiode IV 6 by another receiving terminal and transmitting terminal to photodiode
It is fixed to two of plastic tube II 2.
The transmitting tube positive pole of the photoelectric diode I 3 in described plastic tube I 1 is the positive pole 31 of photodiode I by current limliting
Resistance 9 is connected to the TXD signal serial ports output ends of high-pressure side signal processor or equipment 7, and negative pole is the negative pole 32 of photodiode I
The earth terminal of high-pressure side signal processor or equipment 7 is connected to, the reception pipe positive pole of another photoelectric diode II 4 is photoelectricity two
The positive pole 41 of pole pipe II is connected to the RXD receiving terminals of low-pressure end signal processor or equipment 8, and negative pole is the negative pole 42 of photodiode II
It is connected to the earth terminal of low-pressure end signal processor or equipment 8.
The transmitting tube positive pole of the photoelectric diode III 5 in another described plastic tube II 2 is the positive pole of photodiode III
The 51 TXD signal serial ports output ends that low-pressure end signal processor or equipment 8 are connected to by current-limiting resistance 10, negative pole is photoelectricity
The negative pole 52 of diode III is connected to the earth terminal of low-pressure end signal processor or equipment 8, and another photoelectric diode IV 6 connects
Closed tube positive pole is the RXD receiving terminals that the positive pole 61 of photodiode IV is connected to high-pressure side signal processor or equipment 7, and negative pole is light
The negative pole 62 of electric diode IV is connected to the earth terminal of high-pressure side signal processor or equipment 7.
To prevent receiving end signal caused by infrared light dissipates color and external signal interference from dying down, can be by plastic tube I 1, plastics
The close winding of black adhesive plaster of the outside of pipe II 2.
In addition, use for convenience, can by a photodiode for plastic tube such as receiving terminal of photodiode II 4 with it is another
The photodiode such as photoelectricity two of one photodiode of the plastic tube such as transmitting terminal of photoelectric diode III 5, plastic tube
The transmitting terminal of level pipe I 3 is held together with the receiving terminal of the photodiode such as photoelectric diode IV 6 of another plastic tube, and will
The pin wire of all photodiodes is drawn again serial ports corresponding with MCU and is connected.
Claims (5)
1. the device that a kind of short-distance and medium-distance high withstand voltage isolation is communicated, it is characterised in that：
Including two pairs, photodiode, correspondence plastic tube two of the same size, respectively by a pair of receiving terminals of photodiode
A two for plastic tube is fixed to transmitting terminal；
A photoelectric diode transmitting tube positive pole in a described plastic tube is connected at high pressure end signal by current-limiting resistance
The serial ports output end of reason device or equipment, negative pole ground connection, another photoelectric diode reception pipe positive pole is connected at low pressure end signal
The receiving terminal of reason device or equipment, negative pole ground connection；
Photoelectric diode transmitting tube positive pole in another described plastic tube is connected to low-pressure end signal transacting by current-limiting resistance
The serial ports output end of device or equipment, negative pole ground connection, another photoelectric diode reception pipe positive pole is connected to high-pressure side signal transacting
The receiving terminal of device or equipment, negative pole ground connection.
2. the device that short-distance and medium-distance high withstand voltage isolation as claimed in claim 1 is communicated, it is characterised in that：Described plastic tube is
The common signature pen shell of plastic material.
3. the device that short-distance and medium-distance high withstand voltage isolation as claimed in claim 1 is communicated, it is characterised in that：Every described plastics
The close winding black adhesive plaster in the outside of pipe.
4. the device that short-distance and medium-distance high withstand voltage isolation as claimed in claim 1 is communicated, it is characterised in that：A described plastics
The photodiode receiving terminal of pipe and the photodiode transmitting terminal of another plastic tube, a photodiode hair for plastic tube
Penetrate end to be held together with the photodiode receiving terminal of another plastic tube, the pin of all photodiodes is drawn with wire.
5. the device that short-distance and medium-distance high withstand voltage isolation as claimed in claim 1 is communicated, it is characterised in that：Described signal transacting
Device or equipment are single-chip microprocessor MCUs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611157440.3A CN106817212A (en) | 2016-12-15 | 2016-12-15 | A kind of device of short-distance and medium-distance high withstand voltage isolation communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611157440.3A CN106817212A (en) | 2016-12-15 | 2016-12-15 | A kind of device of short-distance and medium-distance high withstand voltage isolation communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106817212A true CN106817212A (en) | 2017-06-09 |
Family
ID=59109687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611157440.3A Pending CN106817212A (en) | 2016-12-15 | 2016-12-15 | A kind of device of short-distance and medium-distance high withstand voltage isolation communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106817212A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114499555A (en) * | 2022-02-24 | 2022-05-13 | 南京亿高微波系统工程有限公司 | Communication signal high-voltage isolation module and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201294490Y (en) * | 2008-11-19 | 2009-08-19 | 成都飞机工业集团电子科技有限公司 | Device for collecting and processing photoelectric coupling signal |
| CN101924459A (en) * | 2010-07-06 | 2010-12-22 | 浙江大学 | Switching signal interface circuit based on double photoelectric isolation |
| CN103972960A (en) * | 2014-04-28 | 2014-08-06 | 安徽速力洁电子科技有限公司 | Intermittent high-voltage timing charger |
-
2016
- 2016-12-15 CN CN201611157440.3A patent/CN106817212A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201294490Y (en) * | 2008-11-19 | 2009-08-19 | 成都飞机工业集团电子科技有限公司 | Device for collecting and processing photoelectric coupling signal |
| CN101924459A (en) * | 2010-07-06 | 2010-12-22 | 浙江大学 | Switching signal interface circuit based on double photoelectric isolation |
| CN103972960A (en) * | 2014-04-28 | 2014-08-06 | 安徽速力洁电子科技有限公司 | Intermittent high-voltage timing charger |
Non-Patent Citations (2)
| Title |
|---|
| 丁德勤: ""光电耦合器制作一例"", 《家电检修技术》 * |
| 嵇海旭: ""光电耦合器在控制系统中的应用研究"", 《装备制造技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114499555A (en) * | 2022-02-24 | 2022-05-13 | 南京亿高微波系统工程有限公司 | Communication signal high-voltage isolation module and device |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170609 |
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| RJ01 | Rejection of invention patent application after publication |