CN201251813Y - Network prepaid expense charging management system - Google Patents
Network prepaid expense charging management system Download PDFInfo
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- CN201251813Y CN201251813Y CNU2008201322869U CN200820132286U CN201251813Y CN 201251813 Y CN201251813 Y CN 201251813Y CN U2008201322869 U CNU2008201322869 U CN U2008201322869U CN 200820132286 U CN200820132286 U CN 200820132286U CN 201251813 Y CN201251813 Y CN 201251813Y
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Abstract
The utility model discloses a network prepaid expense charging management system which is invented in order to solve the problems that the electricity energy management of the power administration section is difficult, and the like in the prior art. The network prepaid expense charging management system at least comprises a CPU card, a gauge unit, a concentrator unit, a communication unit and a main station unit, wherein the gauge unit and the concentrator unit are communicated through a powerline carrier wave, and the concentrator unit and the main station unit are connected by a public telephone network, and the like, thus the installation is very simple and convenient, any unnecessary tie line is not needed, and contact points for network link are greatly reduced, thereby the contact point failure rate on the network line link is greatly lowered, and the operating cost is greatly reduced.
Description
Technical Field
The utility model relates to a prepayment electricity selling system.
Background
The invention discloses a prepayment electricity selling system, which is invented for solving the problems of meter reading, difficult charging work and user arrears of electricity charge caused by large quantity of electricity consumers.
Most of the existing prepaid electricity-selling systems realize payment function by using contact cards (memory cards, logic encryption cards and CPU cards) as transmission media (and a few of the existing prepaid electricity-selling systems realize payment function by using non-contact cards (radio frequency cards and the like)). Although the mode greatly reduces the intensity of meter reading and charging work, the existing conventional management mode of the power department has some defects, which mainly show that the problem exists in the power management, so that the mode is difficult to meet the requirement of power marketing management reform: the power utilization condition of a user cannot be reflected in real time, and the loss cannot be calculated; the statistical data are inaccurate, and the power utilization condition of the user cannot be truly reflected; the operation is difficult to standardize, so that the unknown loss is increased; data collection is not timely, the power load condition cannot be reflected in real time, user behaviors cannot be effectively monitored, and networked power selling and purchasing and management cannot be realized.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above-mentioned defect, the utility model aims to provide a simple structure's networking prepayment electricity selling system.
In order to achieve the purpose, the utility model discloses network prepayment electricity selling system, at least, includes CPU card, meter unit, concentrator unit, communication unit and main station unit; wherein,
the CPU card is used for completing electricity purchasing and additionally purchasing electric quantity in the meter unit;
the meter unit is used for metering the electricity consumption of a user, uploading the electricity consumption to the concentrator unit through a power line in a carrier mode, and receiving data and commands downloaded by the concentrator unit to perform corresponding actions;
the concentrator unit is used for concentrating the electricity consumption data of each meter unit at the downstream, uploading the electricity consumption data to the main station unit through the communication unit, and receiving data and commands downloaded by the main station unit through the communication unit to perform corresponding actions;
the communication unit is used for connecting the concentrator unit and the master station unit to communicate with each other through a public communication network; the public communication network may be GPRS, CDMA, public telephone network, etc.
And the master station unit is used for receiving the data uploaded by the concentrator unit, performing statistical analysis on the data and transmitting corresponding data and commands according to the power consumption condition and the electricity purchasing condition of the user.
The meter unit consists of a main control chip, and a key module, an E-SAM key authentication module, a protection module, a display module, an infrared/485/PLC communication module, an on-off module, a storage module, a metering module and a power supply module which are connected with the main control chip; the infrared/485/PLC communication module is used for setting a real-time clock and time-sharing parameters of the meter unit, and can carry out operations such as parameter modification, state data reading, meter reading and the like on the meter unit through the communication interface; the E-SAM key authentication module is used for performing security authentication on the CPU card and storing metering and state data in the meter unit.
With the above configuration, communication is performed from the meter unit to the concentrator unit via a power line carrier, and connection is performed from the concentrator unit to the master unit via a public telephone network or the like. The installation is very simple and convenient, and no redundant connecting wire is needed, so that the network connection contacts are greatly reduced, the contact failure rate on the network line connection is greatly reduced, and the operation cost is greatly reduced.
Drawings
Fig. 1 is the structure diagram of the network prepayment electricity selling system of the utility model.
Fig. 2 is a schematic view of the structure of the meter unit in fig. 1.
FIG. 3 is a flow chart of the internal authentication between the E-SAM key authentication module and the CPU card in the meter unit.
FIG. 4 is a flow chart of external authentication between the E-SAM key authentication module and the CPU card in the meter unit.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1, the network prepayment electricity selling system of the utility model at least comprises a CPU card, a meter unit, a concentrator unit, a communication unit and a master station unit; wherein,
the CPU card is used for completing electricity purchasing and additionally purchasing electric quantity in the meter unit;
the meter unit is used for metering the electricity consumption of a user, uploading the electricity consumption to the concentrator unit through a power line in a carrier mode, and receiving data and commands downloaded by the concentrator unit to perform corresponding actions;
the concentrator unit is used for concentrating the electricity consumption data of each meter unit at the downstream, uploading the electricity consumption data to the main station unit through the communication unit, and receiving data and commands downloaded by the main station unit through the communication unit to perform corresponding actions;
the communication unit is used for connecting the concentrator unit and the master station unit to communicate with each other through a public communication network;
and the master station unit is used for receiving the data uploaded by the concentrator unit, performing statistical analysis on the data and transmitting corresponding data and commands according to the power consumption condition and the electricity purchasing condition of the user.
The above-mentioned CPU card preferably adopts a contact IC card conforming to ISO7816 international standard, but may also adopt other forms, such as a radio frequency card.
As shown in fig. 2, the meter unit comprises a main control chip, and a key module, an E-SAM key authentication module, a protection module, a display module, an infrared/485/PLC communication module, a power on/off module, a storage module, a metering module, and a power supply module connected to the main control chip; the infrared/485/PLC communication module is used for setting a real-time clock and time-sharing parameters of the meter unit, and can carry out operations such as parameter modification, state data reading, meter reading and the like on the meter unit through the communication interface; the E-SAM key authentication module is used for carrying out security authentication on the CPU card and storing metering and state data in the meter unit, and the main control chip in the meter unit only plays a role in data transmission in the authentication process and does not relate to a data encryption and decryption algorithm.
The E-SAM key authentication module in the meter unit and the CPU card perform security authentication and are divided into two parts: internal authentication and external authentication;
the flow of its internal authentication is shown in fig. 3:
1) the meter unit takes a random number CH from the CPU card;
2) the meter unit reads the card serial number SN on the CPU card and sends the card serial number SN to the ESAM module;
3) the ESAM module encrypts the card serial number SN by using an internal authentication master key M to generate an internal authentication working key K1;
4) the meter unit sends the encryption command and the random number to the CPU card, the CPU card encrypts by using the internal authentication key and sends the encryption result D1 back to the meter unit;
5) the meter unit sends the encryption command and the random number to the ESAM module, and the ESAM module sends the encryption result D2 back to the meter unit;
6) the meter unit compares D1 with D2, and if the D1 and the D2 are equal, the internal authentication is successful; otherwise, the operation is unsuccessful.
The flow of its external authentication is shown in figure 4,
1) the meter unit takes a random number CH from the CPU card;
2) the meter unit reads the card serial number SN on the CPU card and sends the card serial number SN to the ESAM module;
3) the ESAM module encrypts the card serial number SN by using an external authentication master key M of the electric meter to generate an internal authentication working key K1;
4) the meter unit sends the random number to the ESAM module, the ESAM module encrypts the random number by using a working key and returns an encryption result D1;
5) the meter unit sends the encryption result to the CPU card and sends an external authentication instruction;
6) the CPU card tells the meter unit whether the authentication is successful, if so, the state of the IC card automatically enters the state specified by the corresponding external authentication key.
Claims (2)
1. A network prepayment electricity selling system is characterized in that: the system at least comprises a CPU card, a meter unit, a concentrator unit, a communication unit and a main station unit; wherein,
the CPU card is used for completing electricity purchasing and additionally purchasing electric quantity in the meter unit;
the meter unit is used for metering the electricity consumption of a user, uploading the electricity consumption to the concentrator unit through a power line in a carrier mode, and receiving data and commands downloaded by the concentrator unit to perform corresponding actions;
the concentrator unit is used for concentrating the electricity consumption data of each meter unit at the downstream, uploading the electricity consumption data to the main station unit through the communication unit, and receiving data and commands downloaded by the main station unit through the communication unit to perform corresponding actions;
the communication unit is used for connecting the concentrator unit and the master station unit to communicate with each other through a public communication network;
and the master station unit is used for receiving the data uploaded by the concentrator unit, performing statistical analysis on the data and transmitting corresponding data and commands according to the power consumption condition and the electricity purchasing condition of the user.
2. The network prepaid electricity vending system of claim 1, wherein: the meter unit consists of a main control chip, and a key module, an E-SAM key authentication module, a protection module, a display module, an infrared/485/PLC communication module, an on-off module, a storage module, a metering module and a power supply module which are connected with the main control chip;
the infrared/485/PLC communication module is used for setting a real-time clock and time-sharing parameters of the meter unit, and can carry out operations such as parameter modification, state data reading, meter reading and the like on the meter unit through the communication interface; the E-SAM key authentication module is used for performing security authentication on the CPU card and storing metering and state data in the meter unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201322869U CN201251813Y (en) | 2008-08-20 | 2008-08-20 | Network prepaid expense charging management system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201322869U CN201251813Y (en) | 2008-08-20 | 2008-08-20 | Network prepaid expense charging management system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201251813Y true CN201251813Y (en) | 2009-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201322869U Expired - Lifetime CN201251813Y (en) | 2008-08-20 | 2008-08-20 | Network prepaid expense charging management system |
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| Country | Link |
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| CN (1) | CN201251813Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142171A (en) * | 2011-01-30 | 2011-08-03 | 宁波迦南电子有限公司 | Transmission media of intelligent charge-controlled electricity meter and electricity purchasing method by using same |
| CN102682380A (en) * | 2012-05-10 | 2012-09-19 | 深圳市航天泰瑞捷电子有限公司 | Remote prepayment system |
| CN106157439A (en) * | 2015-04-20 | 2016-11-23 | 中兴通讯股份有限公司 | A kind of method and device that pre-paying kilowatt-hour meter is supplemented with money |
-
2008
- 2008-08-20 CN CNU2008201322869U patent/CN201251813Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102142171A (en) * | 2011-01-30 | 2011-08-03 | 宁波迦南电子有限公司 | Transmission media of intelligent charge-controlled electricity meter and electricity purchasing method by using same |
| CN102682380A (en) * | 2012-05-10 | 2012-09-19 | 深圳市航天泰瑞捷电子有限公司 | Remote prepayment system |
| CN106157439A (en) * | 2015-04-20 | 2016-11-23 | 中兴通讯股份有限公司 | A kind of method and device that pre-paying kilowatt-hour meter is supplemented with money |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: BEIJING BANNER ELECTRIC CO., LTD. Free format text: FORMER NAME: BEIJING BONA ELECTRONIC CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 102208 Beijing 1033 mailbox, Longcheng garden, Beijing, Changping District Patentee after: BEIJING BANNER ELECTRIC MANUFACTURING CORPORATION Address before: 102208 Beijing 1033 mailbox, Longcheng garden, Beijing, Changping District Patentee before: Beijing Banner Electrical Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090603 |