CN202977156U - Voltage transformer with carrier wave communication interface - Google Patents
Voltage transformer with carrier wave communication interface Download PDFInfo
- Publication number
- CN202977156U CN202977156U CN 201220730834 CN201220730834U CN202977156U CN 202977156 U CN202977156 U CN 202977156U CN 201220730834 CN201220730834 CN 201220730834 CN 201220730834 U CN201220730834 U CN 201220730834U CN 202977156 U CN202977156 U CN 202977156U
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- voltage transformer
- carrier communication
- communication interface
- coupler
- communication device
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- 238000004891 communication Methods 0.000 title claims abstract description 85
- 238000009434 installation Methods 0.000 claims abstract description 7
- 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
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 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
- 239000003990 capacitor Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 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
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Abstract
The utility model relates to a voltage transformer with a carrier wave communication interface. The voltage transformer with the carrier wave communication interface comprises a voltage transformer body (2), wherein a carrier wave communication device (3) is arranged on one or two high-voltage insulating bush (1) of the voltage transformer body (2), the carrier wave communication device (3) is formed by a coupler (4), a carrier wave communication module (5) and an alternative current and direct current converting power supply module (6), two alternative current input ends of the alternative current and direct current converting power supply module (6) are respectively connected with two ends of secondary sides of the voltage transformer, and two direct current output ends of the alternative current and direct current converting power supply module (6) are respectively connected with a power supply input end of the carrier eave communication module (5). By using the voltage transformer with the carrier wave communication interface, a carrier wave communication device does not need an external power source to supply power independently, the structure is simple, installation cost is saved, and complexity of the device is reduced. According to the voltage transformer with the carrier wave communication interface, the coupler and the carrier wave communication module are designed in the carrier wave communication device and arranged on the high-voltage insulating sleeve pipe of the voltage transformer, system structure is simplified, and space is saved.
Description
Technical field
The utility model relates to power equipment, is specifically related to a kind of voltage transformer.
Background technology
Power line carrier, PLC is to utilize high voltage power transmission as the carrier communication mode of transmission channel, is used for dispatching communication, telemechanical, protection, production commander, administrative service communication and the various communication of electric power system.Power line carrier, PLC is made 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-being coupled, hybrid coupled etc., and wherein coupling capacitor is to be 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 that the high voltage on carrier equipment and power line, switching overvoltage and lightning overvoltage etc. are kept apart, and prevents that high voltage from entering communication equipment, and high-frequency carrier signal can successfully be coupled on high-voltage circuit.At present in the power carrier communication in the 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, so both increase installation cost, increased again the complexity of device.
Summary of the invention
The purpose of this utility model be to provide a kind of carrier communication device do not need external power supply power separately, simple in structure, save installation cost, can reduce the voltage transformer with carrier communication interface of the complexity of device.
technical solution of the present utility model is: it comprises that the two ends of primary side are respectively equipped with the voltage transformer device body of high-tension insulating bushing, on 1 of voltage transformer device body or 2 high-tension insulating bushings, carrier communication device is installed, 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 an end of the primary side of voltage transformer phase-connecting wire and the iron core of voltage transformer respectively, two low-voltage terminals of coupler are connected with the signal input output end of carrier communication module respectively, hand over two ac input ends of straight conversion electric power module 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 utility model is: use its carrier communication device not need external power supply to power separately, and simple in structure, save installation cost, can reduce the complexity of device.It just the design of coupler and carrier communication module in carrier communication device and be arranged on the high-tension insulating bushing of voltage transformer, simplified system configuration, saved the space.Carrier communication device is converted to direct current from the voltage transformer secondary side sampling through simple electrical energy changer, for carrier communication device provides power supply, has simplified the inconvenience that external power supply is powered and brought separately.Have advantages of that connection is reliable, simple in structure.
Description of drawings
Fig. 1 is the utility model embodiment circuit theory diagrams;
Fig. 2 is the utility model example structure schematic diagram;
Fig. 3 is the utility model embodiment carrier communication module structured flowchart;
Fig. 4 is the utility model embodiment carrier communication device mounting structure schematic diagram.
Embodiment
as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, it comprises that the two ends of primary side are respectively equipped with the voltage transformer device body 2 of high-tension insulating bushing 1, on 1 of voltage transformer device body 2 or 2 high-tension insulating bushings 1, carrier communication device 3 is installed, carrier communication device 3 is by coupler 4, the straight conversion electric power module 6 of carrier communication module 5 and friendship consists of, two HV Terminal of coupler 4 are connected with an end of the primary side of voltage transformer phase-connecting wire and the iron core 21 of voltage transformer respectively, two low-voltage terminals of coupler 4 are connected with the signal input output end of carrier communication module 5 respectively, hand 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.
Coupler 4 is made of coupling capacitance 41 and coupling transformer 42, coupling capacitance 41 is in series with coupling transformer 42 primary sides, the other end of coupling capacitance 41 is connected with an end of voltage transformer phase-connecting wire primary side, the other end of coupling transformer 42 primary sides 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, be provided with the stationary contact first 12 that is connected with the primary side of voltage transformer phase-connecting wire in carrier communication device mounting groove 11, the fixed contact 2 13 that is connected respectively with the two ends of voltage transformer secondary side, fixed contact 3 14 and the fixed contact 4 15 that is connected with the iron core 21 of voltage transformer, carrier communication device 3 is provided with respectively and stationary contact first 12, fixed contact 2 13, four moving contacts 31 that fixed contact 3 14 is connected with fixed contact 4 15, four moving contacts 31 are made of the elastic conducting strip that an end is fixed on carrier communication device 3 respectively.Carrier communication device 3 is the block body of rectangle, 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 each locating groove 16 that dop 33 matches is installed.Carrier communication device 3 is positioned at the outside when being arranged on high-tension insulating bushing 1 face is provided with installation handle 32.
Voltage transformer device body 2 is made 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, two high-tension insulating bushings 1 are set on the two ends of primary winding 23 and are fixing upper on housing 22, and the two ends of secondary coil 24 are connected on two binding posts 25 being located on housing 22.
The utility model using method is as follows:
The design of the utility model package unit is except surface and high-pressure insulating ring tube shape coincide, and other face is the plane, similar cuboid.In use, shake hands and carrier communication device can be pushed in high-tension insulating bushing by installation.The 10KV power transmission line is by in the access device of top, and carrier communication optical fiber is drawn from side, and the earth connection of coupling capacitor and capacitor mutual-inductor secondary access by the bottom respectively.If need to change or maintenance, pull out device by handle and get final product.
The utility model has the advantages that:
1, utilize the voltage transformer secondary to be the power carrier communication module for power supply.
2, coupler, the straight conversion electric power module of friendship and carrier communication module are designed in same device, it is inner that the while can be installed to the instrument transformer high-tension insulating bushing, simplified the complexity of package unit, substantially keeps in appearance the original appearance of voltage transformer.
3, redesigned shape and the wiring lead-out wire of high-tension insulating bushing, can make carrier communication device well be fixed to the voltage transformer insulating sleeve inner, the handle on carrier communication device can conveniently take out and install package unit.
Claims (7)
1. the voltage transformer that has the carrier communication interface, it comprises that the two ends of primary side are respectively equipped with the voltage transformer device body (2) of high-tension insulating bushing (1), it is characterized in that: on 1 of voltage transformer device body (2) or 2 high-tension insulating bushings (1), carrier communication device (3) is installed, carrier communication device (3) is by coupler (4), carrier communication module (5) and the straight conversion electric power module of friendship (6) consist of, two HV Terminal of coupler (4) are connected with an end of the primary side of voltage transformer phase-connecting wire and the iron core (21) of voltage transformer respectively, two low-voltage terminals of coupler (4) are connected with the signal input output end of carrier communication module (5) respectively, hand 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.
2. the voltage transformer with carrier communication interface as claimed in claim 1, it is characterized in that described coupler (4) is made of coupling capacitance (41) and coupling transformer (42), coupling capacitance (41) is in series with coupling transformer (42) primary side, the other end of coupling capacitance (41) is connected with an 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, two low-voltage terminals of coupling transformer (42) are connected with the signal input output end of carrier communication module (5) respectively.
3. the voltage transformer with 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), be provided with the stationary contact that is connected with the primary side of voltage transformer phase-connecting wire first (12) in carrier communication device mounting groove (11), the fixed contact two (13) that is connected respectively with the two ends of voltage transformer secondary side, fixed contact three (14) and the fixed contact four (15) that is connected with the iron core (21) of voltage transformer, carrier communication device (3) is provided with respectively and stationary contact first (12), fixed contact two (13), four moving contacts (31) that fixed contact three (14) is connected with fixed contact four (15), four moving contacts (31) are made of the elastic conducting strip that an end is fixed on carrier communication device (3) respectively.
4. the voltage transformer with carrier communication interface as claimed in claim 3, it is characterized in that described carrier communication device (3) is the block body of rectangle, 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 each locating groove (16) that dop (33) matches is installed.
5. the voltage transformer with carrier communication interface as claimed in claim 1, is characterized in that described carrier communication device (3) is arranged on the face that is positioned at the outside when high-tension insulating bushing (1) is gone up and is provided with installation handle (32).
6. the voltage transformer with carrier communication interface as claimed in claim 1, it is characterized in that described carrier communication module (3) is by central processing unit (34), modulator (35), amplifier (36), demodulator (37), filter (38) and communication interface (39) consist of, communication interface (39) is connected with central processing unit (34) and is used for the input and output communication signal, modulator (35) is connected with central processing unit (34) and is used for doing modulation treatment from the next communication signal of central processing unit (34) transmission, amplifier (36) is connected respectively with modulator (35) and coupler (4) and is used for the signal after modulation treatment being amplified and transferring to coupler (4), filter (38) is connected respectively with coupler (4) and demodulator (37) and is used for carrying out filtering and transfer to demodulator (37) from the next signal of coupler (4) transmission, demodulator (37) is connected with central processing unit (34) and is used for carrying out demodulation process and be transferred to central processing unit (34) from the next signal of filter (38) transmission, 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 respectively it provides DC power supply.
7. the voltage transformer with carrier communication interface as claimed in claim 1, it is characterized in that described 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) consist of, primary winding (23) and secondary coil (24) are coupled and are arranged on iron core (21), two high-tension insulating bushings (1) are set on the two ends of primary winding (23) and are fixing upper on housing (22), the two ends of secondary coil (24) are connected on two binding posts (25) of being located on housing (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730834 CN202977156U (en) | 2012-12-27 | 2012-12-27 | Voltage transformer with carrier wave communication interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730834 CN202977156U (en) | 2012-12-27 | 2012-12-27 | Voltage transformer with carrier wave communication interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202977156U true CN202977156U (en) | 2013-06-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220730834 Expired - Fee Related CN202977156U (en) | 2012-12-27 | 2012-12-27 | Voltage transformer with carrier wave communication interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202977156U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035392A (en) * | 2012-12-27 | 2013-04-10 | 吉林省电力有限公司电力科学研究院 | Voltage transformer provided with carrier communication interface |
-
2012
- 2012-12-27 CN CN 201220730834 patent/CN202977156U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103035392A (en) * | 2012-12-27 | 2013-04-10 | 吉林省电力有限公司电力科学研究院 | Voltage transformer provided with carrier communication interface |
| CN103035392B (en) * | 2012-12-27 | 2015-08-12 | 吉林省电力有限公司电力科学研究院 | There is the voltage transformer of carrier communication interface |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130605 Termination date: 20211227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |