CN103035392B - There is the voltage transformer of carrier communication interface - Google Patents
There is the voltage transformer of carrier communication interface Download PDFInfo
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- CN103035392B CN103035392B CN201210575582.7A CN201210575582A CN103035392B CN 103035392 B CN103035392 B CN 103035392B CN 201210575582 A CN201210575582 A CN 201210575582A CN 103035392 B CN103035392 B CN 103035392B
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- carrier communication
- voltage transformer
- communication device
- coupler
- processing unit
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- 238000004891 communication Methods 0.000 title claims abstract description 78
- 238000006243 chemical reaction Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 23
- 238000010168 coupling process Methods 0.000 claims description 23
- 238000005859 coupling reaction Methods 0.000 claims description 23
- 238000012545 processing Methods 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 11
- 238000004804 winding Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 2
- 238000012546 transfer Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Abstract
The present invention relates to a kind of voltage transformer with carrier communication interface, it comprises voltage transformer device body (2), 1 of voltage transformer device body (2) or 2 high-tension insulating bushings (1) are provided with carrier communication device (3), carrier communication device (3) is by coupler (4), carrier communication module (5) and hand over straight conversion electric power module (6) to form, and hands over two ac input ends of straight conversion electric power module (6) to be connected with the two ends of voltage transformer secondary side respectively, two DC output ends are connected with the power input of carrier communication module (5) respectively.Use its carrier communication device not need external power supply to power separately, structure is simple, saves installation cost, can reduce the complexity of device.Coupler and carrier communication module design are arranged on the high-tension insulating bushing of voltage transformer by it in carrier communication device, simplify system configuration, save space.
Description
Technical field
The present invention relates to power equipment, be specifically related to a kind of voltage transformer.
Background technology
Power line carrier, PLC utilizes high voltage power transmission as the carrier communication mode of transmission channel, for the dispatching communication of electric power system, telemechanical, protection, production commander, administrative service communication and various information transmission.Power line carrier, PLC is made up of power line carrier, power line, Coupling device, and Coupling device comprises line trap, filter joint, coupling capacitor, high frequency cable etc.Coupled modes have phase-ground coupling, phase-be coupled, hybrid coupled etc., and wherein coupling capacitor is connected between filter joint and high-voltage conducting wires, and it is high voltage bearing porcelain vase oil-paper Jie insulation electric capacity, and its capacity is different with the difference of electric pressure.The effect of coupling capacitor is kept apart at the high voltage on carrier equipment and power line, switching overvoltage and lightning overvoltage etc., prevents high voltage from entering communication equipment, make high-frequency carrier signal successfully be coupled on high-voltage circuit simultaneously.In power carrier communication in current 10KV voltage transformer, coupling capacitor is received on power line by the mode of phase-ground coupling, and carrier communication module needs external power supply to power separately, complex structure, both add installation cost like this, turn increase the complexity of device.
Summary of the invention
The object of this invention is to provide a kind of carrier communication device and do not need the voltage transformer with carrier communication interface that external power supply is powered separately, structure simple, save installation cost, can reduce the complexity of device.
Technical solution of the present invention is: the two ends that it comprises primary side are respectively equipped with the voltage transformer device body of high-tension insulating bushing, 1 of voltage transformer device body or 2 high-tension insulating bushings are provided with carrier communication device, carrier communication device is by coupler, carrier communication module and the straight conversion electric power module composition of friendship, two HV Terminal of coupler are connected with the iron core of voltage transformer with one end of the primary side of voltage transformer phase-connecting wire respectively, two low-voltage terminals of coupler are connected with the signal input output end of carrier communication module respectively, two ac input ends of straight conversion electric power module are handed over to be connected with the two ends of voltage transformer secondary side respectively, two DC output ends are connected with the power input of carrier communication module respectively.
Technique effect of the present invention is: use its carrier communication device not need external power supply to power separately, and structure is simple, saves installation cost, can reduce the complexity of device.Coupler and carrier communication module design are arranged on the high-tension insulating bushing of voltage transformer by it in carrier communication device, simplify system configuration, save space.Carrier communication device is converted to direct current from voltage transformer secondary side sampling through simple electrical energy changer, for carrier communication device provides power supply, simplifies external power supply and to power separately the inconvenience brought.Have and connect reliable, the simple advantage of structure.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention circuit theory diagrams;
Fig. 2 is embodiment of the present invention structural representation;
Fig. 3 is embodiment of the present invention carrier communication module structured flowchart;
Fig. 4 is embodiment of the present invention carrier communication device mounting structure schematic diagram.
Embodiment
As Fig. 1, Fig. 2, Fig. 3, shown in Fig. 4, the two ends that it comprises primary side are respectively equipped with the voltage transformer device body 2 of high-tension insulating bushing 1, 1 of voltage transformer device body 2 or 2 high-tension insulating bushings 1 are provided with carrier communication device 3, carrier communication device 3 is by coupler 4, carrier communication module 5 and the straight conversion electric power module 6 of friendship are formed, two HV Terminal of coupler 4 are connected with the iron core 21 of voltage transformer with one end of the primary side of voltage transformer phase-connecting wire respectively, two low-voltage terminals of coupler 4 are connected with the signal input output end of carrier communication module 5 respectively, two ac input ends of straight conversion electric power module 6 are handed over to be connected with the two ends of voltage transformer secondary side respectively, two DC output ends are connected with the power input of carrier communication module 5 respectively.
Coupler 4 is made up of coupling capacitance 41 and coupling transformer 42, coupling capacitance 41 and coupling transformer 42 primary side are in series, the other end of coupling capacitance 41 is connected with one end of voltage transformer phase-connecting wire primary side, the other end of coupling transformer 42 primary side is connected with the iron core 21 of voltage transformer, and two low-voltage terminals of coupling transformer 42 are connected with the signal input output end of carrier communication module 5 respectively.
1 of voltage transformer device body 2 or 2 high-tension insulating bushings 1 are provided with carrier communication device mounting groove 11, the stationary contact first 12 be connected with the primary side of voltage transformer phase-connecting wire is provided with in carrier communication device mounting groove 11, the fixed contact 2 13 be connected respectively with the two ends of voltage transformer secondary side, fixed contact 3 14 and the fixed contact 4 15 be connected with the iron core 21 of voltage transformer, carrier communication device 3 is provided with respectively with stationary contact first 12, fixed contact 2 13, four moving contacts 31 that fixed contact 3 14 is connected with fixed contact 4 15, the elastic conducting strip that four moving contacts 31 are fixed on carrier communication device 3 by one end is respectively formed.Carrier communication device 3 is rectangle blocks, and the position at its four angles is respectively equipped with installs dop 33, and the position at four angles of carrier communication device mounting groove 11 is respectively equipped with the locating groove 16 matched with each installation dop 33.Carrier communication device 3 is positioned at outside face when being arranged on high-tension insulating bushing 1 is provided with installation handle 32.
Carrier communication module 5 is by central processing unit 34, modulator 35, amplifier 36, demodulator 37, filter 38 and communication interface 39 are formed, communication interface 39 is connected for input and output communication signal with central processing unit 34, modulator 35 is connected for doing modulation treatment to transmitting the communication signal come from central processing unit 34 with central processing unit 34, amplifier 36 and modulator 35 and coupler 4 are connected for being amplified by the signal after modulation treatment and transferring to coupler 4 respectively, filter 38 and coupler 4 and demodulator 37 are connected for carrying out filtering to transmitting the signal come from coupler 4 and transfer to demodulator 37 respectively, demodulator 37 is connected for carrying out demodulation process to transmitting the signal come from filter 38 and be transferred to central processing unit 34 with central processing unit 34, hand over DC output end and the central processing unit 34 of straight conversion electric power module 6, modulator 35, amplifier 36, demodulator 37, filter 38 and communication interface 39 are connected to it respectively and provide DC power supply.
Voltage transformer device body 2 is made up of iron core 21, housing 22, primary winding 23, secondary coil 24 and two high-tension insulating bushings 1, primary winding 23 and secondary coil 24 are coupled and are arranged on iron core 21, on the two ends that two high-tension insulating bushings 1 are set in primary winding 23 and fixing on housing 22, the two ends of secondary coil 24 are connected on two binding posts 25 being located on housing 22.
Using method of the present invention is as follows:
Package unit design of the present invention is except surface and high-pressure insulating ring tube shape coincide, and other face is plane, similar cuboid.In use, carrier communication device can be pushed in high-tension insulating bushing by installing handle.10KV power transmission line is by the access device of top, and carrier communication optical fiber is drawn from side, and earth connection and the capacitor mutual-inductor secondary of coupling capacitor access respectively by bottom.If desired change or maintenance, pull out device by handle.
Advantage of the present invention is:
1, utilize voltage transformer secondary for power carrier communication module for power supply.
2, by coupler, hand over straight conversion electric power module and carrier communication module to be designed in same device, it is inner to be installed to instrument transformer high-tension insulating bushing simultaneously, has simplified the complexity of package unit, has substantially kept the appearance that voltage transformer is original in appearance.
3, redesigned shape and the wiring lead-out wire of high-tension insulating bushing, carrier communication device can be made well to be fixed to voltage transformer insulating sleeve inner, the handle on carrier communication device can conveniently take out and install package unit.
Claims (4)
1. there is the voltage transformer of carrier communication interface, the two ends that it comprises primary side are respectively equipped with the voltage transformer device body (2) of high-tension insulating bushing (1), voltage transformer device body (2) is by iron core (21), housing (22), primary winding (23), secondary coil (24) and two high-tension insulating bushings (1) are formed, primary winding (23) and secondary coil (24) are coupled and are arranged on iron core (21), the two ends that two high-tension insulating bushings (1) are set in primary winding (23) are fixed on housing (22), the two ends of secondary coil (24) are connected on two binding posts (25) being located on housing (22), it is characterized in that: 1 of voltage transformer device body (2) or 2 high-tension insulating bushings (1) are provided with carrier communication device (3), carrier communication device (3) is by coupler (4), carrier communication module (5) and the straight conversion electric power module (6) of friendship are formed, two HV Terminal of coupler (4) are connected with the iron core (21) of voltage transformer with one end of the primary side of voltage transformer phase-connecting wire respectively, two low-voltage terminals of coupler (4) are connected with the signal input output end of carrier communication module (5) respectively, two ac input ends of straight conversion electric power module (6) are handed over to be connected with the two ends of voltage transformer secondary side respectively, two DC output ends are connected with the power input of carrier communication module (5) respectively, coupler (4) is made up of coupling capacitance (41) and coupling transformer (42), coupling capacitance (41) and coupling transformer (42) primary side are in series, the other end of coupling capacitance (41) is connected with one end of voltage transformer phase-connecting wire primary side, the other end of coupling transformer (42) primary side is connected with the iron core (21) of voltage transformer, and two low-voltage terminals of coupling transformer (42) are connected with the signal input output end of carrier communication module (5) respectively, carrier communication module (5) is by central processing unit (34), modulator (35), amplifier (36), demodulator (37), filter (38) and communication interface (39) are formed, communication interface (39) is connected for input and output communication signal with central processing unit (34), modulator (35) is connected for doing modulation treatment to transmitting the communication signal come from central processing unit (34) with central processing unit (34), amplifier (36) and modulator (35) and coupler (4) are connected for being amplified by the signal after modulation treatment and transferring to coupler (4) respectively, filter (38) and coupler (4) and demodulator (37) are connected for carrying out filtering to transmitting the signal come from coupler (4) and transfer to demodulator (37) respectively, demodulator (37) is connected for carrying out demodulation process to transmitting the signal come from filter (38) and be transferred to central processing unit (34) with central processing unit (34), hand over DC output end and the central processing unit (34) of straight conversion electric power module (6), modulator (35), amplifier (36), demodulator (37), filter (38) and communication interface (39) are connected to it respectively provides DC power supply.
2. there is the voltage transformer of carrier communication interface as claimed in claim 1, it is characterized in that 1 of described voltage transformer device body (2) or 2 high-tension insulating bushings (1) are provided with carrier communication device mounting groove (11), the stationary contact be connected with the primary side of voltage transformer phase-connecting wire first (12) is provided with in carrier communication device mounting groove (11), the fixed contact two (13) be connected respectively with the two ends of voltage transformer secondary side, fixed contact three (14) and the fixed contact four (15) be connected with the iron core (21) of voltage transformer, carrier communication device (3) is provided with first with stationary contact (12) respectively, fixed contact two (13), four moving contacts (31) that fixed contact three (14) is connected with fixed contact four (15), the elastic conducting strip that four moving contacts (31) are fixed on carrier communication device (3) by one end is respectively formed.
3. there is the voltage transformer of carrier communication interface as claimed in claim 2, it is characterized in that described carrier communication device (3) is for rectangle blocks, the position at its four angles is respectively equipped with installs dop (33), and the position at four angles of carrier communication device mounting groove (11) is respectively equipped with the locating groove (16) matched with each installation dop (33).
4. there is the voltage transformer of carrier communication interface as claimed in claim 1, it is characterized in that described carrier communication device (3) is arranged on the face being positioned at outside when high-tension insulating bushing (1) is gone up and is provided with installation handle (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575582.7A CN103035392B (en) | 2012-12-27 | 2012-12-27 | There is the voltage transformer of carrier communication interface |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575582.7A CN103035392B (en) | 2012-12-27 | 2012-12-27 | There is the voltage transformer of carrier communication interface |
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| Publication Number | Publication Date |
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| CN103035392A CN103035392A (en) | 2013-04-10 |
| CN103035392B true CN103035392B (en) | 2015-08-12 |
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| CN201210575582.7A Active CN103035392B (en) | 2012-12-27 | 2012-12-27 | There is the voltage transformer of carrier communication interface |
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| CN105004917A (en) * | 2014-04-16 | 2015-10-28 | 西安邮电大学 | GNSS ammeter key circuit, and method for time calibration of digital ammeter end through the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4016429A (en) * | 1976-01-16 | 1977-04-05 | Westinghouse Electric Corporation | Power line carrier communication system for signaling customer locations through ground wire conductors |
| CN101373906A (en) * | 2008-10-24 | 2009-02-25 | 华北电力大学（保定） | Test control module for power distribution network carrier communication |
| CN201594823U (en) * | 2009-07-22 | 2010-09-29 | 冯汉春 | Power line carrier communication device |
| CN201830516U (en) * | 2010-09-26 | 2011-05-11 | 石家庄合辐节能科技有限公司 | Control circuit of light emitting diode (LED) street lamp capable of being regulated and controlled remotely based on electric carrier communication |
| CN202977156U (en) * | 2012-12-27 | 2013-06-05 | 吉林省电力有限公司电力科学研究院 | Voltage transformer with carrier wave communication interface |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080077336A1 (en) * | 2006-09-25 | 2008-03-27 | Roosevelt Fernandes | Power line universal monitor |
| US8427131B2 (en) * | 2009-06-12 | 2013-04-23 | Schweitzer Engineering Laboratories Inc | Voltage regulation at a remote location using measurements from a remote metering device |
-
2012
- 2012-12-27 CN CN201210575582.7A patent/CN103035392B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4016429A (en) * | 1976-01-16 | 1977-04-05 | Westinghouse Electric Corporation | Power line carrier communication system for signaling customer locations through ground wire conductors |
| CN101373906A (en) * | 2008-10-24 | 2009-02-25 | 华北电力大学（保定） | Test control module for power distribution network carrier communication |
| CN201594823U (en) * | 2009-07-22 | 2010-09-29 | 冯汉春 | Power line carrier communication device |
| CN201830516U (en) * | 2010-09-26 | 2011-05-11 | 石家庄合辐节能科技有限公司 | Control circuit of light emitting diode (LED) street lamp capable of being regulated and controlled remotely based on electric carrier communication |
| CN202977156U (en) * | 2012-12-27 | 2013-06-05 | 吉林省电力有限公司电力科学研究院 | Voltage transformer with carrier wave communication interface |
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| ASS | Succession or assignment of patent right |
Owner name: JILIN ACADEMY OF ELECTRIC POWER SCIENCE DALIAN UNI Free format text: FORMER OWNER: JILIN ACADEMY OF ELECTRIC POWER SCIENCE DALIAN UNIVERSITY OF TECHNOLOGY STATE GRID CORPORATION OF CHINA Effective date: 20150420 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Zongze Inventor after: Zhu Qigui Inventor after: Wang Jiaying Inventor after: Mou Xianmin Inventor after: Li Meifang Inventor before: Zhu Qigui Inventor before: Wang Jiaying Inventor before: Zhou Huiwei Inventor before: Mou Xianmin Inventor before: Li Meifang |
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| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: ZHU QIGUI WANG JIAYING ZHOU HUIWEI MOU XIANMIN LI MEIFANG TO: LI ZONGZE ZHU QIGUI WANG JIAYING MOU XIANMIN LI MEIFANG |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20150420 Address after: 130021 Changchun City, Chaoyang District province people's street, No. 4433, No. Applicant after: Electric Power Research Institute of Jilin Electric Power Company Applicant after: Jilin Academy of Electric Power Science Applicant after: Dalian University of Technology Applicant after: State Grid Corporation of China Applicant after: Attached senior middle school of Dalian University of Technology Address before: 130021 Changchun City, Chaoyang District province people's street, No. 4433, No. Applicant before: Electric Power Research Institute of Jilin Electric Power Company Applicant before: Jilin Academy of Electric Power Science Applicant before: Dalian University of Technology Applicant before: State Grid Corporation of China |
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| C14 | Grant of patent or utility model | ||
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