CN110491111A - Built-in communication storehouse is directly adopted based on 230MHz electric power wireless private network intelligent electric meter - Google Patents
Built-in communication storehouse is directly adopted based on 230MHz electric power wireless private network intelligent electric meter Download PDFInfo
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- CN110491111A CN110491111A CN201910670177.5A CN201910670177A CN110491111A CN 110491111 A CN110491111 A CN 110491111A CN 201910670177 A CN201910670177 A CN 201910670177A CN 110491111 A CN110491111 A CN 110491111A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B3/00—Line transmission systems
- H04B3/54—Systems for transmission via power distribution lines
- H04B3/544—Setting up communications; Call and signalling arrangements
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- Computer Networks & Wireless Communication (AREA)
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- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
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Abstract
The invention discloses built-in communication storehouse is directly adopted based on 230MHz electric power wireless private network intelligent electric meter, the present invention relates to the communication storehouses of electric energy meter.Currently, built-in communication storehouse is mainly used for local communication, need to be forwarded to business main website by concentrator after data acquisition, the complicated network structure, the required network equipment is more, and internet security is poor, and timeliness can not also ensure.The present invention is set in ammeter comprising shell, Anneta module and the main control unit in shell, power module, communication module, carrier module, safety chip module；The technical program is directly connected with business main website without concentrator forwarding by 230MHz electric power wireless private network, cuts down the number of intermediate links and improve data acquisition efficiency, flattening network structure；The annular identification technology combined using carrier communication with wireless private network, unidirectional carrier communication reduce carrier-in-interference, improve data discrimination；Module enters dormant state after the completion of carrier communication, reduces energy consumption, reduces line loss.
Description
Technical field
The present invention relates to the communication storehouses of electric energy meter, more particularly in directly being adopted based on 230MHz electric power wireless private network intelligent electric meter
Set communication storehouse.
Background technique
It is currently based on the communication storehouse that state's net intelligent electric meter has microgrid or power line carrier both of which, network topology such as Fig. 1
Shown, which is used for local communication, and the acquisition of electric energy information about power need to be forwarded by concentrator, realizes data back master
It stands, acquisition link is long, and the complicated network structure, collecting efficiency is low, cannot achieve management of the main website to single ammeter, is unable to satisfy state
Demand of the net to intelligent electric meter strengthened research.The LoRa built-in module applied on the market is mainly used for local communication, data acquisition
After need to be forwarded to business main website by concentrator, the complicated network structure, the required network equipment is more, and internet security is poor, more
Layer data transmission causes communication performance to decline；Carried out data transmission using power line carrier technology, it is limited, anti-that there are transmission ranges
The problems such as interference is poor.Simultaneously between concentrator and main website, communicated using wireless public network, not only transmission security is poor, timeliness
It can not ensure.
Summary of the invention
The technical problem to be solved in the present invention and the technical assignment of proposition are to be improved and improved to prior art,
It provides and built-in communication storehouse is directly adopted based on 230MHz electric power wireless private network intelligent electric meter, to achieve the purpose that improve collecting efficiency.For
This, the present invention takes following technical scheme.
Built-in communication storehouse is directly adopted based on 230MHz electric power wireless private network intelligent electric meter, it is characterised in that: intelligent electric meter communication
Storehouse is set in ammeter comprising shell, Anneta module and main control unit, power module, communication module, carrier wave in shell
Module, safety chip module；Wherein:
Power module: being connected with main control unit, carrier module, communication module, safety chip module, is main control unit, carrier wave mould
Block, communication module, safety chip module supply low-voltage dc power supply；
Communication module: being connected with main control unit, for by main control unit send over encryption after information, be sent to business through antenna
Main website realizes the interaction of communication data state；
Carrier module: being connected with main control unit, for the communication data of receiving transformer side stage area phase sending device, and will count
According to being transferred to main control unit；After carrier module receives the state activation order of main control unit transmission, it is switched to from dormant state
Working condition, carrier module start the communication data of receiving transformer side stage area phase sending device, and transfer data to master
Control unit；After carrier module receives the sleep command of main control unit transmission, into dormant state；
Anneta module: being connected with main control unit, realizes communication based on coupled modes and 230MHz electric power wireless private network；
Safety chip module: being connected with main control unit, and the information that main control unit is sent carries out operation layer encryption；
Main control unit: it is connected with carrier module, communication module, safety chip module；Main control unit includes acquisition module, the knowledge of platform area
Other module stops reporting module of sending a telegram in reply；Acquisition module is used to pass through business after receiving the data acquisition command of business main website transmission
Acquisition interface is obtained with accepting and believing breath, and will carry out data encryption with accepting and believing breath and being sent to encryption chip, it is encrypted after with accepting and believing
Breath is sent to communication module；Platform area identification module be used for device power after, detection work as foreground partition information, and control carrier module into
Enter working condition, allow the platform area phase information data of carrier module receiving transformer side stage area phase sending device, when receiving number
Be compared according to rear progress integrity validation and with the data of former storage, when a discrepancy exists, will when foreground partition phase information into
Row, which is locally stored and is sent to encryption chip, carries out data encryption, and the encrypted area Hou Tai information is sent to communication module, then
Control carrier module enters dormant state；Stop reporting module of sending a telegram in reply, for will stop to send a telegram in reply after detecting grid power failure telegram in reply information
Information be sent to encryption chip carry out data encryption, it is encrypted after stop send a telegram in reply information be sent to communication module.
The technical program is by 230MHz electric power wireless private network, without concentrator forwarding, directly with business main website phase
Even, it cuts down the number of intermediate links and improves data acquisition efficiency, flattening network structure.
Platform area phase identification is different from existing two-way carrier communication mode, is combined using carrier communication with wireless private network
Annular identification technology, unidirectional carrier communication reduce carrier-in-interference, improve data discrimination；Module enters and stops after the completion of carrier communication
Dormancy state reduces energy consumption, reduces line loss.
As optimization technique means: the communication module is plug type communications module, to pass through replacement communications module
Mode to adapt to 230 standard of IoT-G 230 and LTE-G.The communication storehouse is by pluggable communications module, to be compatible with IoT-G
230 and LTE-G, 230 standard improves versatility.
As optimization technique means: power module includes 12V power supply submodule and backup power supply submodule；When normal,
It is powered by 12V power supply submodule；When power is off, temporarily power supply is carried out to realize that the short time powers off by backup power supply submodule
Event reports, and the backup power supply submodule includes multiple series capacitances.Backup power supply built in storehouse is communicated, it is real when having a power failure
Existing short time power cut-off incident reporting functions.
As optimization technique means: the shell is equipped with ammeter data interface, 12V power interface, 220V power line
Interface；The ammeter data interface is connected by business acquisition interface circuit with main control unit, and ammeter data is sent to
Main control unit；The 12V power interface is connected to be powered with power module；The 220V power line interface and carrier wave
Module is connected, to obtain the information of transformer side stage area phase sending device transmission.
As optimization technique means: the shell is square comprising upper housing and lower case are set in the shell
Have the first pcb board, the second pcb board, a third pcb board, first pcb board, the second pcb board, below third pcb board, in, on
Position be laid out, first pcb board be equipped with carrier module, power module；Second pcb board is equipped with master
Control unit, safety chip module；The third pcb board is equipped with communication module；The inner wall of shell is equipped with and communication module phase
Sheet metal even.First pcb board, the second pcb board, third pcb board are stacked, make full use of space, are not increasing housing cavity
On the basis of, it realizes multi-functional integrated.First pcb board, the second pcb board, can be positioned by contact pin between third pcb board,
Communication, high reliablity are compact-sized.
As optimization technique means: the third pcb board is located on the second pcb board in a manner of grafting；Or the 3rd PCB
Plate is fixed on the second pcb board, and the second pcb board is located on the first pcb board in a manner of grafting.Facilitate the replacement of third pcb board,
Reduce cost, using flexible.
As optimization technique means: the third pcb board, the second pcb board size are less than the first pcb board.Effectively realize
The upper and lower of more plates is stacked.
As optimization technique means: the first one jiao of pcb board is equipped with 5 capacitors, 5 capacitor point two rows settings, 3 capacitor positions
In outside, 2 capacitors are located at the inside of 3 capacitors, and the capacitor is 2.7V 2F capacitor；The third pcb board, second
Pcb board is located at the side of capacitor to avoid capacitor.Make full use of space, the important composition of multiple capacitor backup power supplies in series
Part, 5 capacitors make full use of space.If single capacitance is big, volume is big, it may appear that the problems such as not assembling is being protected
Under the premise of demonstrate,proving capacitance, if single capacitance is small, the electricity greater than 5 is needed, also will appear that occupy pcb board panel excessive,
The problem of causing other modules that cannot be arranged.
As optimization technique means: first pcb board is equipped with ammeter data interface, 12V power interface, 220V electricity
Line of force interface；Separate slot is opened up on first pcb board, forceful electric power and light current is isolated.
As optimization technique means: first pcb board is additionally provided with zero cross detection circuit, the carrier module packet
It includes: carrier coupling circuit, carrier wave wave reception filtering circuit, carrier modulation demodulation chip and carrier wave transmitting line；If carrier wave coupling electricity
The first pcb board at road is equipped with separate slot.
The utility model has the advantages that
One, the communication storehouse of the technical program is by 230MHz electric power wireless private network, without concentrator forwarding, directly and business
Main website is connected, and cuts down the number of intermediate links and improves data acquisition efficiency, flattening network structure, improves data acquiring frequency, realizes
Fine-grained management.
Two, communication storehouse is improved general by pluggable communications module with being compatible with 230 standard of IoT-G 230 and LTE-G
Property.
Three, platform area phase identification is different from existing two-way carrier communication mode, is mutually tied using carrier communication with wireless private network
The annular identification technology of conjunction, unidirectional carrier communication reduce carrier-in-interference, improve data discrimination；After the completion of carrier communication module into
Enter dormant state, reduce energy consumption, reduces line loss.
Four, backup power supply built in storehouse is communicated, when having a power failure, realizes short time power cut-off incident reporting functions.
Detailed description of the invention
Fig. 1 is existing microgrid and power line carrier communication storehouse network topological diagram.
Fig. 2 is the principle of the present invention figure.
Fig. 3 is structural schematic diagram of the invention.
In figure: 1, shell；101, upper housing；102, lower case；2, the first pcb board；3, the second pcb board；4, the 3rd PCB
Plate；5, capacitor.
Specific embodiment
Technical solution of the present invention is described in further detail below in conjunction with Figure of description.
Intelligent electric meter communicate storehouse be set to ammeter in, as shown in Figure 2,3, including shell 1, Anneta module and be set to shell 1 in
Main control unit, power module, communication module, carrier module, safety chip module；Wherein:
Power module: being connected with main control unit, carrier module, communication module, safety chip module, is main control unit, carrier wave mould
Block, communication module, safety chip module supply low-voltage dc power supply；
Communication module: being connected with main control unit, for by main control unit send over encryption after information, be sent to business through antenna
Main website realizes the interaction of communication data state；
Carrier module: being connected with main control unit, for the communication data of receiving transformer side stage area phase sending device, and will count
According to being transferred to main control unit；After carrier module receives the state activation order of main control unit transmission, it is switched to from dormant state
Working condition, carrier module start the communication data of receiving transformer side stage area phase sending device, and transfer data to master
Control unit；After carrier module receives the sleep command of main control unit transmission, into dormant state；
Anneta module: being connected with main control unit, realizes communication based on coupled modes and 230MHz electric power wireless private network；
Safety chip module: being connected with main control unit, and the information that main control unit is sent carries out operation layer encryption；
Main control unit: it is connected with carrier module, communication module, safety chip module；Main control unit includes acquisition module, the knowledge of platform area
Other module stops reporting module of sending a telegram in reply；Acquisition module is used to pass through business after receiving the data acquisition command of business main website transmission
Acquisition interface is obtained with accepting and believing breath, and will carry out data encryption with accepting and believing breath and being sent to encryption chip, it is encrypted after with accepting and believing
Breath is sent to communication module；Platform area identification module be used for device power after, detection work as foreground partition information, and control carrier module into
Enter working condition, allow the platform area phase information data of carrier module receiving transformer side stage area phase sending device, when receiving number
Be compared according to rear progress integrity validation and with the data of former storage, when a discrepancy exists, will when foreground partition phase information into
Row, which is locally stored and is sent to encryption chip, carries out data encryption, and the encrypted area Hou Tai information is sent to communication module, then
Control carrier module enters dormant state；Stop reporting module of sending a telegram in reply, for will stop to send a telegram in reply after detecting grid power failure telegram in reply information
Information be sent to encryption chip carry out data encryption, it is encrypted after stop send a telegram in reply information be sent to communication module.
The technical program is by 230MHz electric power wireless private network, without concentrator forwarding, directly with business main website phase
Even, it cuts down the number of intermediate links and improves data acquisition efficiency, flattening network structure.
Platform area phase identification is different from existing two-way carrier communication mode, is combined using carrier communication with wireless private network
Annular identification technology, unidirectional carrier communication reduce carrier-in-interference, improve data discrimination；Module enters and stops after the completion of carrier communication
Dormancy state reduces energy consumption, reduces line loss.
To improve versatility, cost is reduced, which is plug type communications module, to pass through replacement communications module
Mode to adapt to 230 standard of IoT-G 230 and LTE-G.The communication storehouse is by pluggable communications module, to be compatible with IoT-G
230 and LTE-G, 230 standard improves versatility.
To realize reporting for short time power cut-off incident, power module includes 12V power supply submodule and backup power supply submodule；
When normal, it is powered by 12V power supply submodule；When power is off, temporarily power supply is carried out to realize by backup power supply submodule
Short time power cut-off incident reports, which includes multiple series capacitances 5.Backup power supply built in storehouse is communicated, when stopping
When electric, short time power cut-off incident reporting functions are realized.
For convenience, it is reliably connect with electric energy meter, which is equipped with ammeter data interface, 12V power interface, 220V
Power line interface；The ammeter data interface is connected by business acquisition interface circuit with main control unit, and ammeter data is transmitted
To main control unit；The 12V power interface is connected to be powered with power module；The 220V power line interface and carrier module phase
Even, to obtain the information that transformer side stage area phase sending device is sent.
For the integrated installation for realizing multimode, which is square, and be equipped on shell 1 facilitate the notch of pick-and-place with
As hand-held part, shell 1 includes upper housing 101 and lower case 102, be equipped in the shell 1 first pcb board 2, the second pcb board 3,
Third pcb board 4, first pcb board 2, the second pcb board 3,4 or less third pcb board, in, on position be laid out, this first
Pcb board 2 is equipped with carrier module, power module；Second pcb board 3 is equipped with main control unit, safety chip module；The third
Pcb board 4 is equipped with communication module；The inner wall of shell 1 is equipped with the sheet metal being connected with communication module.First pcb board 2, the 2nd PCB
Plate 3, third pcb board 4 are stacked, make full use of space, on the basis of not increasing by 1 inner cavity of shell, realize multi-functional integrated.The
One pcb board 2, the second pcb board 3 can be positioned between third pcb board 4 by contact pin, be communicated, and high reliablity is compact-sized.
To improve the flexibility used, and reduce cost.The third pcb board 4 is located at the second pcb board 3 in a manner of grafting
On；Or third pcb board 4 is fixed on the second pcb board 3, the second pcb board 3 is located on the first pcb board 2 in a manner of grafting.It is convenient
The replacement of third pcb board 4 reduces cost, using flexible.
The third pcb board 4,3 size of the second pcb board are less than the first pcb board 2.It effectively realizes the upper and lower stacked of more plates, and has
Effect avoids hand-held part.
To make full use of limited space, the first 2 one jiaos of pcb board is equipped with 5 capacitors, 5,5 capacitors 5 and two rows is divided to be arranged, and 3
A capacitor 5 is located at outside, and 2 capacitors 5 are located at the inside of 3 capacitors 5, which is 2.7V 2F capacitor 5；The third pcb board
4, the second pcb board 3 is located at the side of capacitor 5 to avoid capacitor 5.Make full use of space, multiple capacitors 5 backup power supply in series
Important component, 5 capacitors 5 make full use of space.If 5 capacity of single capacitor is big, volume is big, it may appear that does not assemble
The problems such as, under the premise of guaranteeing 5 amount of capacitor, if 5 amount of single capacitor is small, the electricity greater than 5 is needed, also will appear occupancy
The problem of pcb board panel is excessive, causes other modules that cannot be arranged.
It for the reliability for improving work, avoids interfering, which is equipped with ammeter data interface, 12V power supply connects
Mouth, 220V power line interface；Separate slot is opened up on first pcb board 2, forceful electric power and light current is isolated.
To realize multidata acquisition, and mutual interference is reduced, which is additionally provided with zero cross detection circuit, should
Carrier module includes: carrier coupling circuit, carrier wave wave reception filtering circuit, carrier modulation demodulation chip and carrier wave transmitting line；If
The first pcb board 2 at carrier coupling circuit is equipped with separate slot.Forceful electric power is disposed substantially on the first pcb board 2, be located at third pcb board
4 communication module is separated by, and is conducive to the stability for improving work.
It is of the invention for directly adopting built-in communication storehouse based on 230MHz electric power wireless private network intelligent electric meter shown in figure 2 above -3
Specific embodiment has embodied substantive distinguishing features of the present invention and progress, can use needs according to actual, open in of the invention
Under showing, the equivalent modifications of shape, structure etc., the column in the protection scope of this programme are carried out to it.
Claims (10)
1. directly adopting built-in communication storehouse based on 230MHz electric power wireless private network intelligent electric meter, it is characterised in that: intelligent electric meter communicates storehouse
In ammeter comprising shell (1), Anneta module and be set to shell (1) in main control unit, power module, communication module,
Carrier module, safety chip module；Wherein:
Power module: being connected with main control unit, carrier module, communication module, safety chip module, is main control unit, carrier wave mould
Block, communication module, safety chip module supply low-voltage dc power supply；
Communication module: being connected with main control unit, for by main control unit send over encryption after information, be sent to business through antenna
Main website realizes the interaction of communication data state；
Carrier module: being connected with main control unit, for the communication data of receiving transformer side stage area phase sending device, and will count
According to being transferred to main control unit；After carrier module receives the state activation order of main control unit transmission, it is switched to from dormant state
Working condition, carrier module start the communication data of receiving transformer side stage area phase sending device, and transfer data to master
Control unit；After carrier module receives the sleep command of main control unit transmission, into dormant state；
Anneta module: being connected with main control unit, realizes communication based on coupled modes and 230MHz electric power wireless private network；
Safety chip module: being connected with main control unit, and the information that main control unit is sent carries out operation layer encryption；
Main control unit: it is connected with carrier module, communication module, safety chip module；Main control unit includes acquisition module, the knowledge of platform area
Other module stops reporting module of sending a telegram in reply；Acquisition module is used to pass through business after receiving the data acquisition command of business main website transmission
Acquisition interface is obtained with accepting and believing breath, and will carry out data encryption with accepting and believing breath and being sent to encryption chip, it is encrypted after with accepting and believing
Breath is sent to communication module；Platform area identification module be used for device power after, detection work as foreground partition information, and control carrier module into
Enter working condition, allow the platform area phase information data of carrier module receiving transformer side stage area phase sending device, when receiving number
Be compared according to rear progress integrity validation and with the data of former storage, when a discrepancy exists, will when foreground partition phase information into
Row, which is locally stored and is sent to encryption chip, carries out data encryption, and the encrypted area Hou Tai information is sent to communication module, then
Control carrier module enters dormant state；Stop reporting module of sending a telegram in reply, for will stop to send a telegram in reply after detecting grid power failure telegram in reply information
Information be sent to encryption chip carry out data encryption, it is encrypted after stop send a telegram in reply information be sent to communication module.
2. according to claim 1 directly adopt built-in communication storehouse, feature based on 230MHz electric power wireless private network intelligent electric meter
Be: the communication module is plug type communications module, to adapt to IoT-G 230 in a manner of through replacement communications module
With 230 standard of LTE-G.
3. according to claim 1 directly adopt built-in communication storehouse, feature based on 230MHz electric power wireless private network intelligent electric meter
Be: power module includes 12V power supply submodule and backup power supply submodule；When normal, carried out by 12V power supply submodule
Power supply；When power is off, temporarily power to realize that short time power cut-off incident reports by backup power supply submodule, the standby
Power supply submodule includes multiple series capacitances (5).
4. according to claim 1 directly adopt built-in communication storehouse, feature based on 230MHz electric power wireless private network intelligent electric meter
Be: the shell (1) is equipped with ammeter data interface, 12V power interface, 220V power line interface；The ammeter number
It is connected by business acquisition interface circuit with main control unit according to interface, sends ammeter data to main control unit；The 12V
Power interface is connected to be powered with power module；The 220V power line interface is connected with carrier module, to be become
The information that depressor side stage area phase sending device is sent.
5. directly being adopted described in -4 any claims based on 230MHz electric power wireless private network intelligent electric meter according to claim 1 built-in
Communicate storehouse, it is characterised in that: the shell (1) is square comprising upper housing (101) and lower case (102), the shell
The first pcb board (2), the second pcb board (3), third pcb board (4), first pcb board (2), the 2nd PCB are equipped in body (1)
Plate (3), third pcb board (4) below, in, on position be laid out, first pcb board (2) be equipped with carrier module,
Power module；Second pcb board (3) is equipped with main control unit, safety chip module；It is set on the third pcb board (4)
There is communication module；The inner wall of shell (1) is equipped with the sheet metal being connected with communication module.
6. according to claim 5 directly adopt built-in communication storehouse, feature based on 230MHz electric power wireless private network intelligent electric meter
Be: the third pcb board (4) is located on the second pcb board (3) in a manner of grafting；Or third pcb board (4) is fixed in
On two pcb boards (3), the second pcb board (3) is located on the first pcb board (2) in a manner of grafting.
7. according to claim 6 directly adopt built-in communication storehouse, feature based on 230MHz electric power wireless private network intelligent electric meter
Be: the third pcb board (4), the second pcb board (3) size are less than the first pcb board (2).
8. according to claim 7 directly adopt built-in communication storehouse, feature based on 230MHz electric power wireless private network intelligent electric meter
Be: the first (2) one jiaos of pcb board is equipped with 5 capacitors (5), 5 capacitors (5) point, two rows setting, and 3 capacitors (5) are located at outside, and 2
A capacitor (5) is located at the inside of 3 capacitors (5), and the capacitor (5) is 2.7V 2F capacitor (5)；The third pcb board
(4), the second pcb board (3) is located at the side of capacitor (5) to avoid capacitor (5).
9. according to claim 8 directly adopt built-in communication storehouse, feature based on 230MHz electric power wireless private network intelligent electric meter
Be: first pcb board (2) is equipped with ammeter data interface, 12V power interface, 220V power line interface；Described
One pcb board opens up separate slot on (2), forceful electric power and light current is isolated.
10. according to claim 9 directly adopt built-in communication storehouse, feature based on 230MHz electric power wireless private network intelligent electric meter
Be: first pcb board (2) is additionally provided with zero cross detection circuit, and the carrier module includes: carrier coupling circuit, carries
Wave wave reception filtering circuit, carrier modulation demodulation chip and carrier wave transmitting line；If the first pcb board (2) at carrier coupling circuit
It is equipped with separate slot.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910670177.5A CN110491111B (en) | 2019-07-24 | 2019-07-24 | Built-in communication storehouse is directly adopted to smart electric meter based on wireless private network of 230MHz electric power |
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|---|---|---|---|
| CN201910670177.5A CN110491111B (en) | 2019-07-24 | 2019-07-24 | Built-in communication storehouse is directly adopted to smart electric meter based on wireless private network of 230MHz electric power |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112200276A (en) * | 2020-08-21 | 2021-01-08 | 云南电网有限责任公司德宏供电局 | Cloud platform based electric power pointer instrument test equipment management and control system and method |
| CN112769577A (en) * | 2020-12-11 | 2021-05-07 | 山东电工电气集团新能科技有限公司 | Electric power thing networking intelligent communication unit with back-up source |
| CN113784303A (en) * | 2021-09-28 | 2021-12-10 | 广东电网有限责任公司 | Electric power wireless Internet of things system |
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