CN205692372U - electric energy metering terminal based on LoRa wireless communication technology - Google Patents
electric energy metering terminal based on LoRa wireless communication technology Download PDFInfo
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- CN205692372U CN205692372U CN201620675564.XU CN201620675564U CN205692372U CN 205692372 U CN205692372 U CN 205692372U CN 201620675564 U CN201620675564 U CN 201620675564U CN 205692372 U CN205692372 U CN 205692372U
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- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- 238000005516 engineering process Methods 0.000 title claims description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 17
- 238000001228 spectrum Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 238000005259 measurement Methods 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 description 14
- 230000003993 interaction Effects 0.000 description 4
- 230000006855 networking Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000001629 sign test Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
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Abstract
The utility model relates to an electric energy measurement terminal based on loRa wireless communication technique, including the downlink communication interface of connecting outside electric energy meter and the master control circuit who connects downlink communication interface, wherein, master control circuit includes: the system comprises a downlink communication module, a processor module, a cipher module and a wireless spread spectrum communication module, wherein the downlink communication module is connected with the downlink communication interface and used for forwarding electric energy meter data received by the downlink communication interface to the processor module for processing, the processor module is connected with the downlink communication module and used for sending the electric energy meter data to the cipher module, the cipher module is connected with the processor module and used for encrypting the received electric energy data when the master station passes identity authentication, and the wireless spread spectrum communication module is connected with the processor module and used for transmitting the encrypted electric energy data to the master station. The utility model discloses use wireless spread spectrum communication module to go upward data transmission, compromise long transmission distance and low-power, strengthened data transmission's security, reduced the communication consumption, the network deployment is simple.
Description
Technical field
This utility model relates to Electric Energy Metering Technology field, particularly relates to a kind of electricity based on LoRa wireless communication technology
Can measuring terminal.
Background technology
At present, mostly by the GPRS (General of Virtual network operator between intelligent grid terminal and intelligent grid main website
Packet Radio Service) network such as/CDMA (Code Division Multiple Access) communicates, and
In application process, inventor finds that in conventional art, at least there are the following problems: conventional communication networks is in longer transmission range
Cannot take into account between the two with relatively low power consumption, there is greater risk in GPRS, CDMA in addition in terms of information security, therefore simultaneously
Current communication network is difficult to meet the actual data transfer demand of current intelligent grid.
Utility model content
Based on this, it is necessary to for conventional communication networks Information Security difference and long range propagation and low-power consumption cannot be taken into account
Problem, it is provided that a kind of power measuring terminal based on LoRa wireless communication technology.
To achieve these goals, the embodiment of technical solutions of the utility model is:
Provide a kind of power measuring terminal based on LoRa wireless communication technology, including connecting the descending of external electric energy table
Communication interface and the governor circuit of connection downlink communication interface, wherein, governor circuit includes:
Connect downlink communication interface, by downlink communication interface to electric energy meter data be transmitted to processor module and carry out
The downlink communication module processed, connects downlink communication module, electric energy meter data is sent to the processor module of crypto module, even
Connect processor module, when main website is by authentication the energy data received carried out the crypto module of data encryption, with
And connect processor module, the energy data after encryption is transferred to the radio spread spectrum communication module of main website.
Technique scheme has the advantages that
This utility model power measuring terminal based on LoRa wireless communication technology, by using radio spread spectrum communication mould
Block, makes this utility model can be carried out data transmission by the wide area network of radio spread spectrum communication module；Compare tradition electric energy metrical
Device, this utility model power measuring terminal based on LoRa wireless communication technology ability through walls is strong, long transmission distance, safety
High, low in energy consumption, networking is simple, it is ensured that Internet, the information transmission safety of application layer.This utility model uses wireless frequency expansion
Communication module carries out transmitting uplink data, has taken into account longer transmission distance and low-power, enhances the safety of data transmission, reduces
Communication power consumption, networking is simple.
Accompanying drawing explanation
By being more particularly described of the preferred embodiment of the present utility model shown in accompanying drawing, of the present utility model on address
Other purpose, feature and advantage will become more fully apparent.The part that reference instruction identical in whole accompanying drawings is identical, and
The most deliberately draw accompanying drawing by actual size equal proportion scaling, it is preferred that emphasis is purport of the present utility model is shown.
Fig. 1 is the structural representation of this utility model power measuring terminal based on LoRa wireless communication technology embodiment 1；
Fig. 2 is governor circuit in this utility model power measuring terminal based on LoRa wireless communication technology embodiment 1
Structural representation.
Detailed description of the invention
For the ease of understanding this utility model, below with reference to relevant drawings, this utility model is more fully retouched
State.Accompanying drawing gives first-selected embodiment of the present utility model.But, this utility model can come real in many different forms
Existing, however it is not limited to embodiment described herein.On the contrary, providing the purpose of these embodiments is to make public affairs of the present utility model
Open content more thorough comprehensively.
It should be noted that when an element is considered as " connection " another element, and it can be directly to separately
One element also in combination is integrated, or may be simultaneously present centering elements.Term as used herein " installs ", " one
End ", " other end " and similar statement for illustrative purposes only.
Unless otherwise defined, all of technology used herein and scientific terminology are led with belonging to technology of the present utility model
The implication that the technical staff in territory is generally understood that is identical.At term used in the description of the present utility model it is simply herein
The purpose of specific embodiment is described, it is not intended that in limiting this utility model.Term as used herein " and/or " include
Arbitrary and all of combination of one or more relevant Listed Items.
This utility model power measuring terminal based on LoRa wireless communication technology embodiment 1:
In order to solve conventional communication networks Information Security difference and the problem of long range propagation and low-power consumption cannot be taken into account, this
Utility model provides a kind of power measuring terminal embodiment 1 based on LoRa wireless communication technology, and Fig. 1 is this utility model base
Structural representation in the power measuring terminal embodiment 1 of LoRa wireless communication technology；Fig. 2 be this utility model based on LoRa without
The structural representation of governor circuit in the power measuring terminal embodiment 1 of line communication technology；As it is shown in figure 1, can include connecting
The downlink communication interface of external electric energy table and connect the governor circuit of downlink communication interface, wherein as in figure 2 it is shown, governor circuit
May include that
Connect downlink communication interface, by downlink communication interface to electric energy meter data be transmitted to processor module and carry out
The downlink communication module processed, connects downlink communication module, electric energy meter data is sent to the processor module of crypto module, even
Connect processor module, when main website is by authentication the energy data received carried out the crypto module of data encryption, with
And connect processor module, the energy data after encryption is transferred to the radio spread spectrum communication module of main website.
Specifically, downlink communication module receives the electric energy meter data transmitted by downlink communication interface, and by number
Process according to being transmitted to processor module；Data are carried out encryption and decryption, carry out sign test etc. of signing by crypto module storage key；Wireless
Spread spectrum communication module is under the control of processor module, by data to master station transmission.
In a specific embodiment, radio spread spectrum communication module is LoRa wireless communication module.
Specifically, (LongRange remotely) has merged digital spread spectrum, Digital Signal Processing and forward error correction and has compiled LoRa
Code technology, farthest realizes the communication of longer distance and lower power consumption.LoRa uses the mode of multi-layer security, it is possible to protect
Card Internet, the information transmission safety of application layer.
This utility model uses LoRa spread-spectrum modulation technique to carry out transmitting uplink data, has taken into account longer transmission distance and low merit
Rate, enhances the safety of data transmission, reduces communication power consumption, and networking is simple.
In a specific embodiment, governor circuit also includes being connected and according to processor die with processor module
The control instruction of block carries out the power module that terminal is restarted.
Specifically, power module is to other module for power supply, and accepts processor module control, it is achieved the function such as restart.
In a specific embodiment, power measuring terminal based on LoRa wireless communication technology also includes shell, with
And it is embedded in the power interface of outer surface of outer cover；Power interface is connected with power module；Governor circuit is positioned at the chamber that shell is formed
Internal.
Specifically, power interface can be used for power terminal equipment.Power module is connected with power interface, carries for equipment
For stabilized power source.
In a specific embodiment, governor circuit also includes that the display device being connected with processor module respectively drives
Dynamic model block, input equipment drive module and card reading module.
In a specific embodiment, power measuring terminal based on LoRa wireless communication technology also includes shell, with
And it is embedded in the display device of outer surface of outer cover, input equipment and module of swiping the card respectively；Card reading module is connected with module of swiping the card, aobvious
Showing that equipment drives module to be connected with display device, input equipment drives module to be connected with input equipment；Governor circuit is positioned at
In the cavity that shell is formed.
Specifically, this utility model can include shell, liquid crystal display screen, keyboard, power interface, module of swiping the card, descending logical
Letter interface and governor circuit.Liquid crystal display screen (display device), keyboard (input equipment), power interface, module of swiping the card and downlink communication
Interface is installed in case surface.
Liquid crystal display screen (display device) is used for user and terminal interaction, shows relevant information；Keyboard (input equipment) is used for
Family and terminal interaction, be configured terminal and inquire about；Module of swiping the card is mutual with terminal security for user, awards terminal
The operations such as power；
In a specific embodiment, downlink communication interface be RS232, RS485, power line carrier or micropower without
Line.
In a specific embodiment, downlink communication module be RS232, RS485, power line carrier or micropower without
Line.
Specifically, downlink communication interface is mutual for terminal and electric energy meter, including RS232/RS485, power line carrier,
Micropower is wireless communication mode of Denging.
In a concrete example, this utility model can be a kind of based on LoRa wireless communication technology based on LoRa
The power measuring terminal of wireless communication technology, connects including shell, liquid crystal display screen, keyboard, power interface, module of swiping the card and downlink communication
Mouth and governor circuit, wherein liquid crystal display screen, keyboard, power interface, module of swiping the card and downlink communication interface are embedded in case surface, master control
Circuit is positioned at enclosure.Be positioned at the governor circuit of enclosure include processor module, power module, liquid crystal driver module,
Crypto module, LoRa communication module, Keyboard drive module, downlink communication module, card card reading module, wherein processor module with
Other modules in governor circuit are bi-directionally connected.Power module is connected with power interface, provides stabilized power source for equipment；Liquid crystal display screen
It is connected with liquid crystal drive, provides content to show for equipment；Keyboard is connected with Keyboard drive module, it is provided that interactive function；Swipe the card mould
Block is connected with card card reading module, it is provided that interactive function.
This utility model is on the basis of existing wide variety of power measuring terminal based on LoRa wireless communication technology, logical
Cross use LoRa radio spread spectrum communication technology, make terminal can be carried out data transmission by LoRa wide area network, compare conventional wireless
Communication technology, LoRa technology ability through walls is strong, long transmission distance, safety is high, low in energy consumption, networking is simple.
Fig. 2 is governor circuit in this utility model power measuring terminal based on LoRa wireless communication technology embodiment 1
Structural representation；
As in figure 2 it is shown, governor circuit is led to by processor module, power module, liquid crystal driver module, crypto module, LoRa
Letter module, Keyboard drive module, downlink communication module, card card reading module composition.Wherein, processor module is core, with it
He is bi-directionally connected module, carries out processing and mutual to the data of other modules；Liquid crystal display screen is connected with liquid crystal driver module, keyboard with
Keyboard drive module connects, and module and card sheet card reading module of swiping the card connects, and power interface is connected with power module, and downlink communication connects
Mouth is connected with downlink communication module.
Liquid crystal display screen is used for user and terminal interaction, shows relevant information；Keyboard is used for user and terminal interaction, enters terminal
Row is arranged and inquiry；Module of swiping the card is mutual with terminal security for user, and terminal carries out the operations such as mandate；Downlink communication interface
Mutual for terminal and electric energy meter, including RS232/RS485, power line carrier, the communication mode such as micropower is wireless；Power interface
For to power terminal equipment.Power module is to other module for power supply, and accepts processor module control, it is achieved the merit such as restart
Energy；Downlink communication module receives the electric energy meter data transmitted by downlink communication interface, and forwards the data to processor
Resume module；Data are carried out encryption and decryption, carry out sign test etc. of signing by crypto module storage key；LoRa communication module is processing
Under the control of device module, by data to master station transmission.
Operation principle of the present utility model: terminal uses downlink communication interface and downlink communication module to receive from electric energy meter
Data；Crypto module and LoRa communication module and main website is used to carry out authentication；After authentication, use password mould
The electric energy meter data received are encrypted by block, use LoRa communication module that the data after encryption are transferred to main website.Liquid crystal
Mutual for terminal and user of screen, keyboard and module of swiping the card, keyboard is used for user operation, in liquid crystal display screen shows user operation
Holding, module of swiping the card carries out user's mandate, and user holds authorization card and swipes the card, and authorizes by rear, and user can carry out key operation.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the common skill of this area
For art personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into
Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (8)
1. a power measuring terminal based on LoRa wireless communication technology, it is characterised in that include connecting external electric energy table
Downlink communication interface and connect the governor circuit of described downlink communication interface, described governor circuit includes:
Connect described downlink communication interface, by described downlink communication interface to electric energy meter data be transmitted to processor module
Carry out the downlink communication module processed, connect described downlink communication module, described electric energy meter data are sent to crypto module
Described processor module, connect described processor module, main website by authentication time to the described energy data received
Carry out the described crypto module of data encryption, and connect described processor module, by the described energy data transmission after encryption
To the radio spread spectrum communication module of described main website.
Power measuring terminal based on LoRa wireless communication technology the most according to claim 1, it is characterised in that described nothing
Line spread spectrum communication module is LoRa wireless communication module.
Power measuring terminal based on LoRa wireless communication technology the most according to claim 1, it is characterised in that described master
Control circuit also includes being connected with described processor module and carrying out terminal according to the control instruction of described processor module restarting
Power module.
Power measuring terminal based on LoRa wireless communication technology the most according to claim 3, it is characterised in that described base
Power measuring terminal in LoRa wireless communication technology also includes shell, and is embedded in the power interface of described outer surface of outer cover；
Described power interface is connected with described power module；Described governor circuit is positioned at the cavity that described shell is formed.
Power measuring terminal based on LoRa wireless communication technology the most according to claim 1, it is characterised in that described master
Control circuit also includes that the display device being connected with described processor module respectively drives module, input equipment to drive module and reading
Card module.
Power measuring terminal based on LoRa wireless communication technology the most according to claim 5, it is characterised in that described base
Power measuring terminal in LoRa wireless communication technology also includes shell, and the display being embedded in described outer surface of outer cover respectively sets
Standby, input equipment and module of swiping the card；Described card reading module is connected with described module of swiping the card, described display device and described display
Device driver module is connected, and described input equipment drives module to be connected with described input equipment；Described governor circuit is positioned at
In the cavity that described shell is formed.
7. according to the power measuring terminal based on LoRa wireless communication technology described in claim 1 to 6 any one, its feature
Being, described downlink communication interface is that RS232, RS485, power line carrier or micropower are wireless.
8. according to the power measuring terminal based on LoRa wireless communication technology described in claim 1 to 6 any one, its feature
Being, described downlink communication module is that RS232, RS485, power line carrier or micropower are wireless.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620675564.XU CN205692372U (en) | 2016-06-27 | 2016-06-27 | electric energy metering terminal based on LoRa wireless communication technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620675564.XU CN205692372U (en) | 2016-06-27 | 2016-06-27 | electric energy metering terminal based on LoRa wireless communication technology |
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| Publication Number | Publication Date |
|---|---|
| CN205692372U true CN205692372U (en) | 2016-11-16 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620675564.XU Active CN205692372U (en) | 2016-06-27 | 2016-06-27 | electric energy metering terminal based on LoRa wireless communication technology |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771859A (en) * | 2016-12-07 | 2017-05-31 | 国网浙江省电力公司电力科学研究院 | Fault detector and its long range means of communication based on LoRa technologies |
| CN106936941A (en) * | 2017-03-03 | 2017-07-07 | 国动物联网技术（上海）有限公司 | A kind of LoRaWAN Internet of Things is distributed telephone numbers method |
| CN107566086A (en) * | 2017-09-06 | 2018-01-09 | 石化盈科信息技术有限责任公司 | A kind of intelligence instrument data transmission method based on LoRa technologies |
| CN108462698A (en) * | 2017-02-20 | 2018-08-28 | 三星电机株式会社 | Execute the low-power consumption wide area module and its method of coded communication |
| CN110189509A (en) * | 2019-05-09 | 2019-08-30 | 广东电网有限责任公司 | A kind of wireless long-distance meter-reading system |
-
2016
- 2016-06-27 CN CN201620675564.XU patent/CN205692372U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771859A (en) * | 2016-12-07 | 2017-05-31 | 国网浙江省电力公司电力科学研究院 | Fault detector and its long range means of communication based on LoRa technologies |
| CN108462698A (en) * | 2017-02-20 | 2018-08-28 | 三星电机株式会社 | Execute the low-power consumption wide area module and its method of coded communication |
| CN106936941A (en) * | 2017-03-03 | 2017-07-07 | 国动物联网技术（上海）有限公司 | A kind of LoRaWAN Internet of Things is distributed telephone numbers method |
| CN107566086A (en) * | 2017-09-06 | 2018-01-09 | 石化盈科信息技术有限责任公司 | A kind of intelligence instrument data transmission method based on LoRa technologies |
| CN110189509A (en) * | 2019-05-09 | 2019-08-30 | 广东电网有限责任公司 | A kind of wireless long-distance meter-reading system |
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| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210609 Address after: 510700 3rd, 4th and 5th floors of building J1 and 3rd floor of building J3, No.11 Kexiang Road, Science City, Luogang District, Guangzhou City, Guangdong Province Patentee after: China South Power Grid International Co.,Ltd. Address before: 510080 water Donggang 8, Dongfeng East Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: POWER GRID TECHNOLOGY RESEARCH CENTER. CHINA SOUTHERN POWER GRID Patentee before: China South Power Grid International Co.,Ltd. |