CN207801934U - A kind of carrier communication collector - Google Patents
A kind of carrier communication collector Download PDFInfo
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- CN207801934U CN207801934U CN201721712670.1U CN201721712670U CN207801934U CN 207801934 U CN207801934 U CN 207801934U CN 201721712670 U CN201721712670 U CN 201721712670U CN 207801934 U CN207801934 U CN 207801934U
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- carrier wave
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- 238000004891 communication Methods 0.000 title claims abstract description 54
- 230000008878 coupling Effects 0.000 claims abstract description 77
- 238000010168 coupling process Methods 0.000 claims abstract description 77
- 238000005859 coupling reaction Methods 0.000 claims abstract description 77
- 230000001939 inductive effect Effects 0.000 claims abstract description 19
- 238000002955 isolation Methods 0.000 claims abstract description 19
- 230000005611 electricity Effects 0.000 claims description 7
- 230000001012 protector Effects 0.000 claims description 5
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 3
- 230000008054 signal transmission Effects 0.000 description 8
- 238000007405 data analysis Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Abstract
The utility model discloses a kind of carrier communication collectors, including：RS485 modules, carrier wave CPU module, coupling module and surge short circuit protection module；Wherein, one end of RS485 modules is connected with external equipment, and the other end is connected with carrier wave CPU；The other end of carrier wave CPU module is connected with coupling module；The other end of coupling module is connected with surge short circuit protection module；The other end of surge short circuit protection module is connected with power line；Coupling module includes inductive coupling units and capacitive coupling element, and inductive coupling units are connected with capacitive coupling element.By the way that the inductive coupling units and capacitive coupling element that are connected are arranged in coupling module, so that the coupling module has the function of filtering isolation and voltage adjustment simultaneously, to, it can realize that the signal output for completing the carrier communication collector in same circuit and signal receive, simplify circuit structure.
Description
Technical field
The utility model is related to electric power carrier communication technology field more particularly to a kind of carrier communication collectors.
Background technology
In field of photovoltaic power generation such as building photovoltaic, complex business body photovoltaic and factory roof photovoltaics, using multiple small-sized inverse
Become device, DC inversion at exchange after, by exchange header box inverter come out exchange confluence at larger AC signal, most
The alternating current that multiple exchange header boxs come out afterwards carries out confluence to box type transformer and boosts to high pressure, accesses power line.Central number
The data that modules equipment is acquired according to analytical equipment carry out analysis and Control according to the data of acquisition, and by gathered data and divide
Analysis result is reported to remote server.Central data analytical equipment and the physical layer of modules device talk mainly use
RS485 is communicated and wireless telecommunications.RS485 communications have the advantages that communication speed is fast, but need rewiring, and construction is complicated, when
Between it is long, it is of high cost.The construction is simple of wireless telecommunications, but longer with debug time, is interfered big by surrounding, and data, which do not maintain secrecy, etc. lacks
Point.
In the prior art, the Chinese patent literature of Publication No. CN204810268U discloses a kind of power line carrier communication
Module and its system, including signal sending circuit module, signal receiving circuit module, power carrier control chip and microcontroller；
Microcontroller is connected with power carrier control chip；Signal sending circuit module includes the first resonant power amplifying circuit, output filter
Wave circuit and the first termination power；First resonant power amplifying circuit controls chip and output filter circuit with power carrier respectively
Connection, output filter circuit and the connection of the first termination power；Signal receiving circuit module include the second resonant power amplifying circuit,
Input filter circuit and the second termination power；Chip is controlled with power carrier respectively for second resonant power amplifying circuit and input is filtered
Wave circuit connects, input filter circuit and the connection of the second termination power.It can avoid the problem of complicated communication grid wiring,
The operation conditions of photovoltaic plant is directly transferred to monitoring computer using power line.But it is electric disclosed in above patent document
The signal of powerline carrier communication module exports and signal reception need to be complete in signal transmitting module and signal receiving module respectively
At circuit structure is complex.
Therefore, how to realize that the signal output of Power Line Carrier Communication Module and signal receive in same circuit, letter
Changing the circuit structure of carrier communication collector becomes urgent problem to be solved.
Utility model content
Therefore, the technical problem to be solved by the present invention is to solve Power Line Carrier Communication Module in the prior art
Signal exports and signal reception is realized in different circuits, the complex problem of the circuit structure of carrier communication collector.
For this purpose, the utility model provides a kind of carrier communication collector, including：RS485 modules, carrier wave CPU module, coupling
Mold block and surge short circuit protection module；Wherein, one end of RS485 modules is connected with external equipment, the other end and carrier wave CPU
It is connected；The other end of carrier wave CPU module is connected with coupling module；The other end of coupling module and surge short circuit protection module
It is connected；The other end of surge short circuit protection module is connected with power line；Coupling module includes inductive coupling units and capacitance
Coupling unit, inductive coupling units are connected with capacitive coupling element.
Optionally, which further includes power module, power module and RS485 modules and carrier wave CPU moulds
Block is connected, for powering to RS485 modules and carrier wave CPU module.
Optionally, which further includes isolation DC-DC module；One end of DC-DC module and power module
It is connected, the other end is connected with RS485 modules.
Optionally, which further includes power voltage step down module；One end of power voltage step down module and power supply mould
Block is connected, and the other end is connected with carrier wave CPU module.
Optionally, which further includes isolation module；One end of isolation module is connected with RS485 modules
It connects, the other end is connected with carrier wave CPU module.
Optionally, isolation module is optocoupler.
Optionally, inductive coupling units are high-frequency coupling transformer.
Optionally, capacitive coupling element is the high pressure resistant coupling capacitor of high frequency.
Optionally, surge short circuit protection module includes short-circuit protection device and device of surge protector, and short-circuit protection device is
Thermistor, device of surge protector are varistor.
Technical solution provided by the utility model, has the following advantages that：
1, carrier communication collector provided by the utility model, including：RS485 modules, carrier wave CPU modules, coupling module
With surge short circuit protection module；Wherein, one end of RS485 modules is connected with external equipment, the other end and carrier wave CPU module phase
Connection；The other end of carrier wave CPU module is connected with coupling module；The other end of coupling module and surge short circuit protection module phase
Connection；The other end of surge short circuit protection module is connected with power line；Coupling module includes inductive coupling units and capacitance coupling
Unit is closed, inductive coupling units are connected with capacitive coupling element.By the way that the inductive coupling list being connected is arranged in coupling module
Member and capacitive coupling element so that the coupling module has the function of filtering isolation and voltage adjustment simultaneously, thus, it is possible to realize
The signal output and signal that the carrier communication collector is completed in same circuit receive, and simplify circuit structure.
2, carrier communication collector provided by the utility model further includes power module, power module and RS485 modules
It is connected with carrier wave CPU module, for powering to RS485 modules and carrier wave CPU module.By the way that power module is arranged to RS485
Module and the power supply of carrier wave CPU module, reduce the dependence of the carrier communication collector to external power supply, without electricity on power line
It presses or only in the case of DC voltage, the acquisition and transmission of signal can also be carried out, increase carrier communication acquisition
The practicability of device.Further, since replace the power supply on power line to power to carrier communication collector using external power supply, thus,
The specification that power line need not be selected according to the power supply requirement of carrier communication collector, can be in the electric power of different voltages specification
Signal transmission is carried out on line, expands the scope of application of the carrier communication collector.Simultaneously, additionally it is possible to by selecting most convenient to connect
The power line connect saves connection material, reduces signal transmission cost.
3, carrier communication collector provided by the utility model, further includes isolation module；One end of the isolation module with
The RS485 modules are connected, and the other end is connected with the carrier wave CPU module.By in RS485 modules and carrier wave CPU moulds
Isolation module is set between block, input stage and the output of the signal transmitted between RS485 modules and carrier wave CPU module has been isolated
Grade, reduces signal in transmission process by the possibility of external disturbance, the data for improving the carrier communication collector are adopted
The accuracy of collection and signal transmission.
Description of the drawings
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific implementation mode or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, other drawings may also be obtained based on these drawings.
Fig. 1 is a kind of signal flow graph for carrier communication collector that the utility model embodiment provides；
Fig. 2 is a kind of circuit diagram for carrier communication collector that the utility model embodiment provides.
Specific implementation mode
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
The every other embodiment that field those of ordinary skill is obtained without making creative work, belongs to this practicality
Novel protected range.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
Can also be electrical connection to be mechanical connection；It can be directly connected, can also indirectly connected through an intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
Embodiment 1
A kind of carrier communication collector is present embodiments provided, as depicted in figs. 1 and 2, including：RS485 modules, carrier wave
CPU module, coupling module and surge short circuit protection module；Wherein, one end of RS485 modules is connected with external equipment, another
End is connected with carrier wave CPU module；The other end of carrier wave CPU module is connected with coupling module；The other end of coupling module with
Surge short circuit protection module is connected；The other end of surge short circuit protection module is connected with power line；Coupling module includes electricity
Sense coupling unit and capacitive coupling element, inductive coupling units are connected with capacitive coupling element.In a particular embodiment, capacitance
Coupling unit is the high pressure resistant coupling capacitor of high frequency, and inductive coupling units are high-frequency coupling transformer.In a particular embodiment, unrestrained
It includes short-circuit protection device and device of surge protector to gush short circuit protection module, and short-circuit protection device is thermistor, surge protection
Device is varistor, for reduce short circuit or lightning stroke etc. due to damaged caused by the carrier communication collector can
It can property.
Carrier communication collector provided in this embodiment, by the coupling module inductive coupling units that are connected of setting and
Capacitive coupling element so that the coupling module has the function of filtering isolation and voltage adjustment simultaneously, thus, it is possible to realize same
The signal output and signal that the carrier communication collector is completed in one circuit receive, and simplify circuit structure.
In the present embodiment, external equipment is that module device or the central data analysis of exchange side in photovoltaic industry are set
It is standby, wherein module device is photovoltaic DC-to-AC converter, environment comprehensive measuring device, the exchange equipment such as header box or box type transformer
In any one.In a particular embodiment, central data analytical equipment and module device are connected with carrier communication collector
It connects.
The operation principle of carrier communication collector in the present embodiment is：
When central data analysis equipment gathered data：The carrier communication collector being connected with module device sets module
Standby data information is modulated into carrier signal and is sent to power line, and specifically, RS485 modules are by the voltage of module device, electricity
The data-signals such as stream, electric voltage frequency and power frequency are sent to carrier wave CPU module, and carrier wave CPU module believes the data received
Number it is modulated into first carrier signal, and the first carrier signal is sent to coupling module, coupled mode capacitive coupling list in the block
Member filters out the voltage signal of direct current and low frequency, and inductive coupling units carry out voltage adjustment to carrier signal, obtain the second carrier wave
Signal, and second carrier signal is sent to power line by surge short circuit protection module；With central data analytical equipment phase
The carrier communication collector of connection receives the carrier signal transmitted on power line, and is sent to center after the carrier signal is demodulated
Data analysis equipment, specifically, coupling module, which receives the second carrier wave transmitted on power line by surge short circuit protection module, to be believed
Number, coupled mode capacitive coupling element in the block filters out the voltage signal of direct current and low frequency, the second carrier wave of inductive coupling units pair
Signal carries out voltage adjustment, makes the voltage value of carrier signal in the operating voltage range of carrier wave CPU module, obtains third carrier wave
Signal, and the third carrier signal is sent to carrier wave CPU module, carrier wave CPU modules to the third carrier signal that receives into
Row demodulation, obtains the useful data in third carrier signal, and send the data to RS485 modules, and RS485 modules will receive
To data be sent to central data analytical equipment.
When central data analysis equipment is sent to module device orders：The carrier wave being connected with central data analytical equipment
The command signal of central data analytical equipment is modulated into carrier signal and is sent to power line, specifically, RS485 by communication collector
The command signal of central data analytical equipment is sent to carrier wave CPU module by module, and carrier wave CPU module believes the order received
Number it is modulated into the 4th carrier signal, and the 4th carrier signal is sent to coupling module, coupled mode capacitive coupling list in the block
Member filters out the voltage signal of direct current and low frequency, and the 4th carrier signal of inductive coupling units pair carries out voltage adjustment, obtains the 5th
Carrier signal, and the 5th carrier signal is sent to power line by surge short circuit protection module；It is connected with module device
Carrier communication collector receive the carrier signal transmitted on power line, and be sent to module after the carrier signal is demodulated and set
Standby, specifically, coupling module receives the 5th carrier signal transmitted on power line, coupling module by surge short circuit protection module
In capacitive coupling element filter out the voltage signal of direct current and low frequency, inductive coupling units carry out voltage tune to carrier signal
It is whole, make the voltage value of the 5th carrier signal in the operating voltage range of carrier wave CPU module, obtains the 6th carrier signal, and will
6th carrier signal is sent to carrier wave CPU module, and carrier wave CPU module demodulates the 6th carrier signal received, obtains
To the useful data in the 6th carrier signal, and send the data to RS485 modules, the data that RS485 modules will receive
It is sent to module device.
In an alternate embodiment of the invention, which further includes power module, power module and RS485 modules
It is connected with carrier wave CPU module, for powering to RS485 modules and carrier wave CPU module.
In the present embodiment, which further includes isolation DC-DC module；One end of DC-DC modules and electricity
Source module is connected, and the other end is connected with RS485 modules, for when the voltage of power module is not in the work of RS485 modules
When in voltage range, the voltage value of RS485 modular power source input terminals is adjusted, realizes the power supply to RS485 modules.In the present embodiment
In, which further includes power voltage step down module；One end of power voltage step down module is connected with power module, another
End is connected with carrier wave CPU module, is used for when the voltage of power module is not in the operating voltage range of carrier wave CPU module,
The voltage value of carrier wave CPU module power input is adjusted, realizes the power supply to carrier wave CPU modules.
Carrier communication collector in the present embodiment is supplied by the way that power module is arranged to RS485 modules and carrier wave CPU module
Electricity reduces the dependence of the carrier communication collector to external power supply, does not have voltage or only DC voltage on power line
In the case of, the acquisition and transmission of signal can also be carried out, the practicability of the carrier communication collector is increased.In addition, by
In replacing the power supply on power line to power to carrier communication collector using external power supply, accordingly, it is not necessary to according to carrier communication
The specification of the power supply requirement selection power line of collector, can carry out signal transmission on the power line of different voltages specification,
Expand the scope of application of the carrier communication collector.Simultaneously, additionally it is possible to by selecting the power line of most convenient connection, the company of saving
Material is connect, signal transmission cost is reduced.
In an alternate embodiment of the invention, which further includes isolation module；One end of isolation module and RS485
Module is connected, and the other end is connected with carrier wave CPU module.In a particular embodiment, isolation module is optocoupler.By
Isolation module is set between RS485 modules and carrier wave CPU module, has been isolated and has transmitted between RS485 modules and carrier wave CPU module
The input stage and output stage of data-signal and data-signal reduce signal in transmission process by the possibility of external disturbance
Property, improve the accuracy of the data acquisition and signal transmission of the carrier communication collector.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
Among the protection domain that variation is created still in the utility model.
Claims (9)
1. a kind of carrier communication collector, which is characterized in that including：RS485 modules, carrier wave CPU module, coupling module and surge
Short circuit protection module；
Wherein, one end of the RS485 modules is connected with external equipment, and the other end is connected with the carrier wave CPU module；Institute
The other end for stating carrier wave CPU module is connected with the coupling module；The other end of the coupling module and surge short circuit
Protection module is connected；The other end of the surge short circuit protection module is connected with power line；
The coupling module includes inductive coupling units and capacitive coupling element, the inductive coupling units and the capacitive coupling
Unit is connected.
2. carrier communication collector according to claim 1, which is characterized in that further include power module, the power supply mould
Block is connected with the RS485 modules and the carrier wave CPU module, for the RS485 modules and the carrier wave CPU module
Power supply.
3. carrier communication collector according to claim 2, which is characterized in that further include isolation DC-DC module；It is described
One end of DC-DC module is connected with the power module, and the other end is connected with the RS485 modules.
4. carrier communication collector according to claim 2, which is characterized in that further include power voltage step down module；The electricity
One end of source voltage reduction module is connected with the power module, and the other end is connected with the carrier wave CPU module.
5. according to claim 1-4 any one of them carrier communication collectors, which is characterized in that further include isolation module；Institute
The one end for stating isolation module is connected with the RS485 modules, and the other end is connected with the carrier wave CPU module.
6. carrier communication collector according to claim 5, which is characterized in that the isolation module is optocoupler.
7. carrier communication collector according to claim 6, which is characterized in that the inductive coupling units are high-frequency coupling
Transformer.
8. carrier communication collector according to claim 7, which is characterized in that the capacitive coupling element is the resistance to height of high frequency
Press coupling capacitor.
9. carrier communication collector according to claim 8, which is characterized in that the surge short circuit protection module includes short
It is thermistor that device and device of surge protector, the short-circuit protection device are protected in road, and the device of surge protector is pressure-sensitive electricity
Resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721712670.1U CN207801934U (en) | 2017-12-11 | 2017-12-11 | A kind of carrier communication collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721712670.1U CN207801934U (en) | 2017-12-11 | 2017-12-11 | A kind of carrier communication collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207801934U true CN207801934U (en) | 2018-08-31 |
Family
ID=63282650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721712670.1U Active CN207801934U (en) | 2017-12-11 | 2017-12-11 | A kind of carrier communication collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207801934U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234192A (en) * | 2019-07-09 | 2019-09-13 | 中国民用航空总局第二研究所 | A kind of PLC-IoT signal coupling circuit |
| CN113902078A (en) * | 2021-11-04 | 2022-01-07 | 厦门忻德物联网科技有限公司 | Long-distance ID (identity) identification method and system suitable for being within 1500 meters |
-
2017
- 2017-12-11 CN CN201721712670.1U patent/CN207801934U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234192A (en) * | 2019-07-09 | 2019-09-13 | 中国民用航空总局第二研究所 | A kind of PLC-IoT signal coupling circuit |
| CN110234192B (en) * | 2019-07-09 | 2024-04-02 | 中国民用航空总局第二研究所 | PLC-IoT signal coupling circuit |
| CN113902078A (en) * | 2021-11-04 | 2022-01-07 | 厦门忻德物联网科技有限公司 | Long-distance ID (identity) identification method and system suitable for being within 1500 meters |
| CN113902078B (en) * | 2021-11-04 | 2024-03-22 | 厦门忻德物联网科技有限公司 | Remote ID identity recognition method and system suitable for being within 1500 meters |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Zhengtai Instrument Measurement Industrial Park, No.1 Liangce Road, Beibaixiang Town, Leqing City, Wenzhou City, Zhejiang Province, 325603 Patentee after: ZHEJIANG CHINT INSTRUMENT & METER Co.,Ltd. Address before: 325603 Wenzhou Daqiao Industrial Park, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG CHINT INSTRUMENT & METER Co.,Ltd. |
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