CN203193630U - A concentrator combining power line communication and wireless communication - Google Patents
A concentrator combining power line communication and wireless communication Download PDFInfo
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- CN203193630U CN203193630U CN 201220688562 CN201220688562U CN203193630U CN 203193630 U CN203193630 U CN 203193630U CN 201220688562 CN201220688562 CN 201220688562 CN 201220688562 U CN201220688562 U CN 201220688562U CN 203193630 U CN203193630 U CN 203193630U
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- 230000008878 coupling Effects 0.000 claims description 8
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- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000006855 networking Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
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Abstract
The utility model discloses a concentrator combining power line communication and wireless communication. The concentrator comprises a master control unit, a remote communication unit, a power line carrier communication unit, and a wireless communication unit. The master control unit is equipped with at least two serial communication interfaces and at least one network interface. The remote communication unit is connected with the serial communication interface or the network interface of the master control unit. The power line carrier communication unit is connected with the master control unit through the serial communication interface or the network interface. The wireless communication unit is connected with the master control unit through the serial communication interface. The concentrator integrates the power line carrier communication unit and the wireless communication unit into one body. When interference or disabled communication generates in a communication mode, the other communication mode can be selected. Therefore, accurate meter reading can be completed in any case and a meter reading system is guaranteed to be reliable.
Description
Technical field
The utility model relates to the field of checking meter, and relates in particular to the concentrator of a kind of power line and wireless combination.
Background technology
Variety of ways such as at present, the local reading technique of gauge table has manual metering, RS-485 to check meter, infrared handheld device is checked meter, power line carrier is checked meter and short-distance wireless is checked meter.Wherein: manual metering efficient is low, workload is big, and human cost is excessive, accuracy and ageing all relatively poor; The RS-485 meter reading method needs a large amount of wirings, and construction installation work amount is big, and after the communication channel damage, fault is got rid of difficulty; Infrared hand-held meter reading method is limited by transmission range, still needs the people to the scene, and in addition, infrared copy meter is also had relatively high expectations to azimuth and environment, and the overlong time of checking meter needs manually to hold for a long time handheld device, and meter reading personnel's endurance is required than higher.The power line carrier meter reading method exists that signal attenuation is big, noise source is many and it is strong to disturb, be subjected to load characteristic to influence problems such as big, and the success rate of checking meter under above-mentioned situation of great impact is undesirable, and the reliability of communication is formed certain technology barrier; The short-distance wireless meter reading method, be subjected to the influence of weather, environment, electromagnetic interference very big, in environment, have the strong object of wave-sucking performance, perhaps exist under the situation in a plurality of electromagnetic emission source, wireless channel will be interfered, and the uncertainty of the success rate of therefore checking meter is very big.In a word, at present the concentrator of existing single local communication mode can not guarantee to check meter at communication reliability perfectly safe.
The utility model content
The technical problem that the utility model mainly solves is, provides the multiple connected mode of a kind of realization to link to each other with collector or electric energy meter, and the power line carrier connected mode is arranged, and power line carrier is changeed wireless connections mode, the concentrator of wireless connections mode combination.
In order to solve the problems of the technologies described above, the utility model provides a kind of concentrator, comprises main control unit, telecommunication unit, power line carrier communication unit and wireless communication unit; Described main control unit is provided with dual serial communication interface and at least one network interface at least, described telecommunication unit is connected by serial communication interface or network interface with main control unit, described power line carrier communication unit is connected by serial communication interface or network interface with main control unit, and described wireless communication unit is connected by serial communication interface with main control unit.
Wherein, described power line carrier communication unit comprises MCU, first D/A converter module and signal coupling module, and first D/A converter module connects MCU and signal coupling module respectively.
Wherein, described wireless communication unit comprises MCU, second D/A converter module and radio-frequency (RF) circuit module, and the second digital-to-analogue conversion module connects MCU and radio-frequency (RF) circuit module respectively.
Wherein, described telecommunication unit is used for being connected with the remote meter reading main website, can be GPRS module, optical communications module, ethernet communication module or other wireless communication module, with the interface of main control unit be serial communication interface or network communication interface.
Wherein, described main control unit is provided with the energy supply control module for control power line carrier communication unit power supply and wireless communication unit mains switch.
Wherein, network card chip is Ethernet PHY chip, and described communication interface is the RS232 interface.
Wherein, described concentrator also comprises housing, and button, display screen are arranged on the described housing, and described button is connected main control unit with display screen.
Wherein, also have at least two indicator lights on the described housing, at least one connects described power line carrier communication unit described indicator light, and at least one connects described wireless communication unit.
The beneficial effects of the utility model are: be different from the single this locality of prior art and check meter and proposed a kind of new concentrator on the basis that communication mode all can not guarantee reliably to check meter, the utility model combines power line carrier communication unit and wireless communication unit, can a certain communication mode occur disturbing or obstructed situation under select the another kind communication mode of checking meter, making checks meter can under any circumstance finish accurately and check meter, and guarantees that kilowatt meter reading-out system is more reliable.
Description of drawings
Fig. 1 is the structured flowchart of the concentrator of power line and wireless combination;
Fig. 2 is the structured flowchart of power line carrier communication unit;
Fig. 3 is the structured flowchart of wireless communication unit.
Embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
See also Fig. 1, Fig. 2 and Fig. 3, present embodiment is the concentrator that a kind of power line carrier communication is combined with radio communication, comprise main control unit, telecommunication unit, power line carrier communication unit and wireless communication unit, described main control unit is provided with dual serial communication interface and at least one network communication interface at least, described telecommunication unit is connected with main control unit serial communication interface or network interface and communicates and exchanges data, described power line carrier communication unit is connected by serial communication interface or network interface with main control unit and communicates and exchanges data, and described wireless communication unit is connected by serial communication interface with main control unit and communicates and exchanges data.Certain described main control unit also comprises CPU, other functional modules commonly used such as memory cell, seldom do elaboration here, the utility model both can realize that power line carrier checked meter, also can finish radio communication checks meter, any communication mode occurs disturbing or when obstructed, another kind of communication mode can also be finished, in order to make provision against emergencies, we are also to install repeater in the network area of checking meter, like this on a large scale, the power line communication mode is obstructed, communication super apart from the time, can realize communicating by letter and exchanges data between concentrator and collector or the electric energy meter by the transmission that repeater is finished signal at last, their connection situation can be: 1, power line mode is obstructed, concentrator direct and collector or electric energy meter radio communication; 2, power line mode is obstructed, and collector or electric energy meter and one are connected the repeater wireless connections on the power line, are passed on the power line by repeater again, are sent on the concentrator by power line then; 3, power line mode is connected the data that then directly read power line carrier; 4, power line is obstructed, and collector or electric energy meter and concentrator wireless network are obstructed, at this moment can connect into wireless network by one or more repeaters, and last repeater can use the power line communication mode, also can be by wireless connections with concentrator.
In the present embodiment, described power line carrier communication unit comprises MCU, first D/A converter module and signal coupling module, and first D/A converter module connects MCU and signal coupling module respectively and carries out bidirectional data exchange.The signal coupling module then is that signal of communication is coupled to instrument on the power line, and MANET can both be realized in all unit on power line network, data can propagate into by the address of appointment on the unit of appointment, then be a miniature processing unit as for MCU, deal with data is such as connecting control RAM memory, Flash memory, power supply, Ethernet PHY chip, RS232 and indicator light etc.Same comprises the 2nd MCU, second D/A converter module and radio-frequency (RF) circuit module at described wireless communication unit, the second digital-to-analogue conversion module connects the 2nd MCU and radio-frequency (RF) circuit module respectively and carries out bidirectional data exchange, identical with above-mentioned power line carrier communication unit, just the signal coupling module has changed radio circuit into, MANET can both be realized in all unit on wireless network, and data can propagate on the unit of appointment by the address of appointment.In the present embodiment, described wireless communication unit can also use the mode of broadcast communication, and the service range of the concentrator that can make is farther like this, and the overlay area is bigger.The concentrator of present embodiment can also carry out Long-distance Control to each module in the networking by power line carrier, PLC unit or wireless communication unit, the convenient use.
In the present embodiment, be provided with for the energy supply control module of controlling power line carrier communication unit power supply and wireless carrier communication unit mains switch at described main control unit, because under the situation of external factor such as interference not influence, power line carrier communication is very fast and stable with respect to communication, so signal data of general first-selected power line carrier, at this moment the energy supply control module that is used for control power line carrier, PLC unit and wireless carrier communication unit will be closed wireless communication unit, can make concentrator more accurate and quick like this, and energy-conserving and environment-protective, when factor affecting such as electric line carrier communication is interfered, the open wireless communication unit, certainly this energy supply control module can be manual control, also can be to be provided with a monitor at concentrator to control automatically, if manually control will be provided with corresponding control button on the housing of concentrator.
In this example, described network interface card is Ethernet PHY chip, described communication interface is the RS232 interface, these two kinds all is our common network chip and interface, obtain easily and cost is controlled easily, can certainly select other network interface card and communication interface, can be as the case may be concrete use, but prerequisite is to realize the normal operation of concentrator of the present utility model.
The power line of present embodiment and the concentrator of wireless combination also comprise a shell, and each above-mentioned unit module is contained in the housing, and housing is provided with button and display screen is connected on the main control unit, are used for controlling concentrator work and watch related data; Also has indicator light on the shell, described indicator light has at least one to be indication power line carrier communication unit, have at least one to be the indication wireless communication unit, can judge by indicator light and know that the power line carrier communication cell operation still is wireless communication unit work.Certainly indicator light also can be other indicator light, such as being power supply indicator etc., needs us just to add up just passable in corresponding module as long as have.
The concentrator of power line of the present utility model and wireless combination, no matter be the power line carrier communication unit, or wireless communication unit, can carry out networking respectively, owing to power line carrier or wireless in actual applications because various complex environment reasons may not accomplished whenever hundred-percent success communication, therefore the user can obtain networking information by concentrator, finding out according to this should be in network and in the module in network not, and this network is added trunking reaches the purpose of improving communication.But user's specific aim is added the repeater of set power line carrier communication and wireless communication unit in the network of checking meter, and the feasible not collector in network or electric energy meter can be connected in the power line network by repeater by being wirelessly connected to repeater again.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (7)
1. the concentrator of a power line and wireless combination is characterized in that, comprises main control unit, telecommunication unit, power line carrier communication unit and wireless communication unit;
Described main control unit is provided with dual serial communication interface and at least one network interface at least, described telecommunication unit is connected with main control unit serial communication interface or network interface, described power line carrier communication unit is connected by serial communication interface or network interface with main control unit, and described wireless communication unit is connected by serial communication interface with main control unit.
2. the concentrator of power line according to claim 1 and wireless combination, it is characterized in that, described power line carrier communication unit comprises a MCU, first D/A converter module and signal coupling module, and first D/A converter module connects a MCU and signal coupling module respectively.
3. the concentrator of power line according to claim 1 and wireless combination, it is characterized in that, described wireless communication unit comprises the 2nd MCU, second D/A converter module and radio-frequency (RF) circuit module, and the second digital-to-analogue conversion module connects MCU and radio-frequency (RF) circuit module respectively.
4. the concentrator of power line according to claim 1 and wireless combination is characterized in that, described main control unit is provided with the energy supply control module for control power line carrier, PLC unit power supply and wireless communication unit mains switch.
5. the concentrator of power line according to claim 1 and wireless combination is characterized in that, network card chip is Ethernet PHY chip, and described communication interface is the RS232 interface.
6. the concentrator of power line according to claim 1 and wireless combination is characterized in that, described concentrator also comprises housing, and button, display screen are arranged on the described housing, and described button is connected main control unit with display screen.
7. the concentrator of power line according to claim 6 and wireless combination, it is characterized in that, also have at least two indicator lights on the described housing, at least one indicates described power line carrier communication unit described indicator light, and at least one indicates described wireless communication unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220688562 CN203193630U (en) | 2012-12-13 | 2012-12-13 | A concentrator combining power line communication and wireless communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220688562 CN203193630U (en) | 2012-12-13 | 2012-12-13 | A concentrator combining power line communication and wireless communication |
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| CN203193630U true CN203193630U (en) | 2013-09-11 |
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| CN 201220688562 Expired - Lifetime CN203193630U (en) | 2012-12-13 | 2012-12-13 | A concentrator combining power line communication and wireless communication |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531010A (en) * | 2013-10-28 | 2014-01-22 | 洛阳愿景科技有限公司 | Local communication module device of concentrator |
| CN106788595A (en) * | 2016-12-12 | 2017-05-31 | 上海云间半导体科技有限公司 | For the concentrator of the remote meter reading based on power line carrier |
| CN109406871A (en) * | 2018-09-07 | 2019-03-01 | 国网安徽省电力有限公司淮南供电公司 | The data transferring method of metering system built in a kind of ring network cabinet |
| CN109547963A (en) * | 2018-12-11 | 2019-03-29 | 大连海事大学 | A kind of power line carrier and ZigBee technology hybrid communication system |
-
2012
- 2012-12-13 CN CN 201220688562 patent/CN203193630U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103531010A (en) * | 2013-10-28 | 2014-01-22 | 洛阳愿景科技有限公司 | Local communication module device of concentrator |
| CN106788595A (en) * | 2016-12-12 | 2017-05-31 | 上海云间半导体科技有限公司 | For the concentrator of the remote meter reading based on power line carrier |
| CN109406871A (en) * | 2018-09-07 | 2019-03-01 | 国网安徽省电力有限公司淮南供电公司 | The data transferring method of metering system built in a kind of ring network cabinet |
| CN109547963A (en) * | 2018-12-11 | 2019-03-29 | 大连海事大学 | A kind of power line carrier and ZigBee technology hybrid communication system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID INFORMATION + TELECOMMUNICATION BRANCH Effective date: 20150113 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150113 Address after: 518000 Futian District, Guangdong, Shennan Road, Southern China, Electric Power Mansion, layer 10, Patentee after: CHINA GRIDCOM Co.,Ltd. Patentee after: STATE GRID INFORMATION & TELECOMMUNICATION BRANCH Patentee after: State Grid Corporation of China Address before: 518000 Futian District, Guangdong, Shennan Road, Southern China, Electric Power Mansion, layer 10, Patentee before: CHINA GRIDCOM Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |
|
| CX01 | Expiry of patent term |