CN207690284U - A kind of intelligent remote meter copying device based on coding techniques - Google Patents
A kind of intelligent remote meter copying device based on coding techniques Download PDFInfo
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- CN207690284U CN207690284U CN201820033374.7U CN201820033374U CN207690284U CN 207690284 U CN207690284 U CN 207690284U CN 201820033374 U CN201820033374 U CN 201820033374U CN 207690284 U CN207690284 U CN 207690284U
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Abstract
The utility model discloses a kind of intelligent remote meter copying device based on coding techniques, belong to field of communication technology comprising main control module and the memory module being connect respectively with main control module, wireless communication module, power module, address coding module, XOR operation module, RS codes coding module, Hash operation module, A/D conversion modules.After it collects meter reading data, respectively after Hash operation, XOR operation, then RS codes coding is carried out, obtain the encryption data with error correcting capability.The utility model adds RS code coding modules, is encoded to channel, improve error correction capability before meter reading data is sent to receiving terminal, has saved channel resource, reduces customer charge.
Description
Technical field
The utility model is related to field of communication technology, specifically a kind of intelligent remote meter copying device based on coding techniques.
Background technology
At present in China, wireless communication technique has been widely used in long-distance meter-reading system as information transmission technology mode
In, for example, the wireless communication techniques such as CDMA, WCDMA, TD-SCDMA.But after meter reading, when transmitting related data, do not have generally
Have by encryption, be easy to cause information data and be stolen and distort, be unfavorable for the national energies career development such as electric power, natural gas.
In Chinese patent application prospectus, CN101360101A, for data security transmission problem in communication, one kind is disclosed
The data transmission method of long-distance meter-reading system, this method use Hash operation to carry out integrity protection operation to data first, so
Data are encrypted using XOR operation afterwards, finally former data and encrypted data transmission are grasped on the contrary to receiving terminal
Make and comparison obtains former data, and judge whether data are complete, can realize data security transmission.But due to transmission channel
There is no error correcting capability, in noise jamming, the data of transmission are susceptible to mistake, and to transmit again, and communication channel is caused to provide
The waste in source, and increase customer using cost.
Invention content
The technical problem to be solved by the present invention is to provide a kind of intelligent remotes with communication channel error correcting capability
Meter copying device reduces the wasting of resources to further increase the safety and efficiency of data transmission.
To solve the above-mentioned problems, the utility model provides a kind of intelligent remote meter copying device based on coding techniques,
The device include main control module and respectively with the memory module of main control module connecting communication, wireless communication module, power module,
Location coding module, XOR operation module, RS codes coding module, Hash operation module, A/D conversion modules.
Wherein, the main control chip of the main control module is the combination of microcontroller or ARM or both.Described address encodes
Module is that programmable station address coding circuit writes station address by the master control module controls by way of programming,
And it is stored in the memory module.Station address is the address where electric supply meter or gas meter, flow meter.
Wherein, the A/D conversion modules are connect with electric energy meter or gas meter, flow meter, under the control of main control module, acquire user
The reading of electric energy meter or gas meter, flow meter is stored in after carrying out A/D conversions in the memory module.
Wherein, the Hash operation module is using MD5 algorithms, the integrality for ensureing data.The master control mould
Block in memory module station address data and after the readings of user's electric energy meter or gas meter, flow meter merge, be transferred to described
Hash operation module carries out Hash operation.
Wherein, the memory module prestores one group of sequence, and the sequence is as the sequence that receiving terminal stores.
Wherein, the main control module is to the station address data and user's electric energy meter or gas meter, flow meter in the memory module
Readings merge after, the sequence being transferred in the XOR operation module and the memory module carries out XOR operation.
Wherein, the coding mode that the RS codes coding module uses is cyclic code, right under the control of the main control module
The information data of gained is encoded after obtained information data and the exclusive or module XOR operation after Hash operation.
Wherein, the power module is by the master control module controls, be the memory module, the wireless communication module,
Described address coding module, the XOR operation module, the RS codes coding module, the Hash operation module, the A/D turn
Change module for power supply.
Wherein, the wireless communication module uses GPRS module, by the master control module controls, sends the RS codes coding
Coding information data caused by module is to receiving terminal.Receiving terminal carries out the decoding of RS codes, exclusive or, MD5 verifications successively, obtains former number
According to.
Compared with original technology, the utility model has an advantageous effect in that：Before data transmission, channel volume is added
Code, improves error correction capability, has saved channel resource, reduces customer charge.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structure chart of the utility model.
Specific implementation mode
The embodiment of the intelligent remote meter copying device based on coding techniques a kind of to the utility model below in conjunction with the accompanying drawings
It is described in detail.
As shown in Figure 1, a kind of intelligent remote meter copying device based on coding techniques, including main control module 1 and respectively with master
The memory module 2 of the control connection of module 1, wireless communication module 3, power module 4, address coding module 5, XOR operation module 6, RS
Code coding module 7, Hash operation module 8, A/D conversion modules 9.
The power module 4 is controlled by the main control module 1, for the memory module 2, the wireless communication module 3, institute
State address coding module 5, the XOR operation module 6, the RS codes coding module 7, the Hash operation module 8, the A/D
Conversion module 9 is powered.
The main control chip of the main control module 1 is the combination of microcontroller or ARM either the two, for controlling each mould
Block and processing data.Described address coding module 5 is programmable station address coding circuit, is controlled by the main control module 1,
Station address is write by way of programming, and is stored in a storage module.Station address indicates electric supply meter or gas meter, flow meter institute
Address.Station address length is set according to actual conditions, generally desirable 2 ~ 3 bytes, for example, station address is AB3.
The A/D conversion modules are connect with electric energy meter or gas meter, flow meter, under the control of main control module, acquire user's electric energy meter
Or the reading of gas meter, flow meter stores data in after carrying out A/D conversions in the memory module 2, for example, obtained after A/D conversions
Reading is 567.
The Hash operation module 8 is using MD5 algorithms.The main control module 1 is to the station address in memory module 2
After the readings 567 of data AB3 and user's electric energy meter or gas meter, flow meter merge, one group of data, such as AB3567 are obtained, and pass
It is defeated to carry out Hash operation to the Hash operation module 8, obtain one group of data X.
The memory module prestores one group of sequence Y, and the sequence is as the sequence that receiving terminal stores.
The main control module 1 is to the station address data AB3 and user's electric energy meter or gas meter, flow meter in the memory module 2
Readings 567 merge after, obtain one group of data AB3567, then read the sequence Y in the memory module 2, it is last same
When transmission data AB3567 and sequence Y to the XOR operation module 6 carry out XOR operation, data are encrypted, obtain one
Group data Z.
The coding mode that the RS codes coding module 7 uses is cyclic code, and RS codes are one kind of BCH code.The master control mould
Block 1 merges the information data Z of gained after obtained information data X after Hash operation and 6 XOR operation of exclusive or module
Afterwards, one group of data XZ is obtained, the RS codes coding module 7 is then communicated to and is encoded, for example, the RS codes coding module 7
Using RS（136,96）Code is encoded, and one group of data H is obtained.
The wireless communication module 3 uses GPRS module, is controlled by the main control module 1, sends the RS codes coding mould
Coding information data H caused by block 7 is to receiving terminal.Receiving terminal carries out the decoding of RS codes first, has such as detected error code, you can into
Row is corrected, and correct data are obtained, and is then carried out exclusive or with the Y sequences of storage, is obtained data AB3567, and it is complete finally to carry out MD5
Integrity verification, so that it may confirm former data.
The embodiment of the utility model is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
The above embodiment, one skilled in the relevant art within the scope of knowledge, can also make many variations to it.
For example, wireless communication module 3 can also use the modules such as WiFi or ZigBee.
Claims (7)
1. a kind of intelligent remote meter copying device based on coding techniques, it is characterised in that：Including main control module（1）Respectively with master
Control module（1）The memory module of connecting communication（2）, wireless communication module（3）, power module（4）, address coding module（5）, it is different
Or computing module（6）, RS code coding modules（7）, Hash operation module（8）, A/D conversion modules（9）.
2. a kind of intelligent remote meter copying device based on coding techniques according to claim 1, it is characterised in that：The master
Control module（1）Main control chip be the combination of microcontroller or ARM both either.
3. a kind of intelligent remote meter copying device based on coding techniques according to claim 1, it is characterised in that：Describedly
Location coding module（5）It is programmable station address coding circuit.
4. a kind of intelligent remote meter copying device based on coding techniques according to claim 1, it is characterised in that：The Kazakhstan
Uncommon computing module（8）Using MD5 algorithms.
5. a kind of intelligent remote meter copying device based on coding techniques according to claim 1, it is characterised in that：The A/
D conversion modules（9）It is connect with electric energy meter or gas meter, flow meter.
6. a kind of intelligent remote meter copying device based on coding techniques according to claim 1, it is characterised in that：The nothing
Line communication module（3）Using GPRS module.
7. a kind of intelligent remote meter copying device based on coding techniques according to claim 1, it is characterised in that：The RS
Code coding module（7）The coding mode of use is cyclic code.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201820033374.7U CN207690284U (en) | 2018-01-09 | 2018-01-09 | A kind of intelligent remote meter copying device based on coding techniques |
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| CN201820033374.7U CN207690284U (en) | 2018-01-09 | 2018-01-09 | A kind of intelligent remote meter copying device based on coding techniques |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167022A (en) * | 2019-05-17 | 2019-08-23 | 宁夏隆基宁光仪表股份有限公司 | A kind of intelligent gas meter meter register method, device, equipment and storage medium |
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2018
- 2018-01-09 CN CN201820033374.7U patent/CN207690284U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110167022A (en) * | 2019-05-17 | 2019-08-23 | 宁夏隆基宁光仪表股份有限公司 | A kind of intelligent gas meter meter register method, device, equipment and storage medium |
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