阅读说明：本技术 一种可扩展模块化售电系统 (Extensible modular electricity selling system ) 是由 林柏 贺荔 黄晓飞 于 2019-09-18 设计创作，主要内容包括：本发明公开了一种可扩展模块化售电系统,涉及售电系统,本发明使用电能表配合其连接的售电系统,根据实际需求选择电能表和售电系统的类型,可以适应不同的使用环境,解决了不同社区后勤对社区用电管理改革的需求,不仅用户交费方式选择多样化,并且可根据实际情况进行模块的取舍,产品集管理和自动控制为一体,用电预付费,计量准确,切断可靠,可以提高供电管理效率,满足社区、学生公寓、集体宿舍用电的管理需求；并且电能表采用可选择高档或低档电能表,而售电系统采用计费卡售电系统和远程售电系统选择或配合使用,可根据实际需求进行选择,选择的形式多样化,可以满足不同社区对系统的需求。(The invention discloses an extensible modular electricity selling system, which relates to an electricity selling system, wherein an electric energy meter is matched with the electricity selling system connected with the electric energy meter, the types of the electric energy meter and the electricity selling system are selected according to actual requirements, different use environments can be adapted, the requirement of logistics of different communities on reform of community electricity utilization management is met, the user payment mode is diversified, modules can be taken and rejected according to actual conditions, the product is integrated with management and automatic control, electricity utilization prepayment is accurate, cutting is reliable, the power supply management efficiency can be improved, and the management requirements of electricity utilization in communities, student apartments and dormitories are met; the electric energy meter adopts a selectable high-grade or low-grade electric energy meter, the electricity selling system adopts a charging card electricity selling system and a remote electricity selling system to select or cooperate, the selection can be carried out according to the actual requirement, the selection form is diversified, and the requirements of different communities on the system can be met.)

1. The utility model provides an expanded modularization electricity selling system, includes the electric energy meter to and sell electric system with electric energy meter communication connection, its characterized in that: the electricity selling system is divided into a charging card electricity selling system and a remote electricity selling system, the two systems can be operated independently or combined together,

wherein, the charging card electricity-selling system comprises a charging card, an electricity-selling computer, a card reading-writing module and an electric energy meter, and completes the electricity charging and selling process by the cooperation of electricity-selling software and the modules,

the remote electricity selling system comprises a cloud server, electricity selling software, a network encryption machine and an electric energy meter; the cloud server is connected with the electricity selling computer and the network encryption machine, and the electric energy meter is downloaded with the private key;

the electricity selling system comprises a key management platform, wherein the key management platform comprises a master control UKEY, a key UKEY and a user UKEY;

the master control UKEY is used for issuing a user UKEY and a key UKEY;

the user UKEY is used for encrypting data of a terminal user and authorizing a terminal electricity selling end;

the key UKEY is responsible for downloading or recovering the key of the electric energy meter of the electricity selling system.

2. The scalable modular electricity vending system of claim 1, wherein: the UKEY of the user in the charging card electricity selling system is a physical form card used for storing user information and charging balance,

and the user UKEY in the remote electricity selling system is a network version user UKEY and is communicated through remote acquisition.

3. The scalable modular electricity vending system of claim 1, wherein: the charging card electricity selling system is divided into a single machine version and a network version, and the single machine version reads a user UKEY by using an electric energy meter;

the network version charging card electricity selling system uses a computer to read the UKEY of the user in a matching way.

4. The scalable modular electricity vending system of claim 1, wherein: the electric energy meter is divided into a low-grade electric energy meter and a high-grade electric energy meter,

the low-grade electric energy meter is a prepayment electric energy meter, and the electric energy meter state information of the low-grade electric energy meter comprises a local account opening state, a remote account opening state, an electricity protection state, an arrearage state, an overdraft state, an available credit amount state, an alarm amount state, a card insertion state when the electric charge is 0, a three-phase voltage open-phase state and an electric brake state.

5. The scalable modular electricity vending system of claim 4, wherein: the high-grade electric energy meter is a charge control electric energy meter which meets the national power grid company standard, and is also provided with functions of rate electricity price, step electricity price, electricity price in the rich and low water season, multi-month settlement electricity quantity recording, event recording and the like;

the high-grade electric energy meter is performed by an ESAM chip which is specially responsible for encryption and decryption in the electric energy meter, and a secret key and an encryption algorithm of the high-grade electric energy meter are unrelated to a program, so that the safety is higher; the cost control electric energy meter is provided with an RS485 infrared communication interface and a modularized communication interface; the modularized communication interface can be plugged with different carrier modules and wireless communication modules according to needs so as to realize the centralized collection of regional electric energy meter information.

Technical Field

The invention relates to the field of electricity selling, in particular to an extensible modular electricity selling system.

Background

The traditional common electric energy meter needs to regularly send a specially-assigned person to read meter and charge electricity, the workload is large, and much inconvenience is brought to the centralized management of apartment power supply. If a plurality of electric energy meters are arranged in a special room in a centralized way, a large space is occupied, in addition, the engineering complexity, the subsequent structure, the configuration of electric appliances and the like are expensive, and meanwhile, a specially assigned person needs to pay for the electric charge.

In order to solve the above problems, the company has independently developed a prepaid electric energy meter management system. This electric energy meter management system has satisfied the demand that the logistics of community reformed to community power consumption management, and the user mode of paying for the fee selects the diversification, can carry out the accepting and rejecting of module according to actual conditions, and product collection management and automatic control are as an organic whole, and the power consumption prepayment, the measurement is accurate, cuts off reliably, can improve power supply management efficiency, satisfies the management demand of community, student's apartment, dormitory power consumption.

Disclosure of Invention

The invention aims to: the utility model provides an expanded modularization electricity selling system has solved the demand of different communities logistics to the power consumption management reform of community, and not only the user mode of paying selects the diversification to can carry out the accepting or rejecting of module according to actual conditions, product collection management and automatic control are as an organic whole, and the power consumption is prepaid, and the measurement is accurate, cuts off reliably, can improve power supply management efficiency, satisfies the management demand of community, student's apartment, collective dormitory power consumption.

The technical scheme adopted by the invention is as follows:

an expandable modular electricity selling system comprises an electric energy meter and an electricity selling system in communication connection with the electric energy meter, wherein the electricity selling system is divided into a charging card electricity selling system and a remote electricity selling system, the two systems can be operated independently or combined to operate,

wherein, the charging card electricity-selling system comprises a charging card, an electricity-selling computer, a card reading-writing module and an electric energy meter, and completes the electricity charging and selling process by the cooperation of electricity-selling software and the modules,

the remote electricity selling system comprises a cloud server, electricity selling software, a network encryption machine and an electric energy meter; the cloud server is connected with the electricity selling computer and the network encryption machine, and the electric energy meter is downloaded with the private key;

the electricity selling system comprises a key management platform, wherein the key management platform comprises a master control UKEY, a key UKEY and a user UKEY;

the master control UKEY is used for issuing a user UKEY and a key UKEY;

the user UKEY is used for encrypting data of a terminal user and authorizing a terminal electricity selling end;

the key UKEY is responsible for downloading or recovering the key of the electric energy meter of the electricity selling system;

the electricity selling system is divided into a charging card electricity selling system and a remote electricity selling system, and one of the two systems can be selected to independently operate or be installed and used according to actual conditions;

for the charging card electricity selling system, the charging card electricity selling system comprises a charging card, an electricity selling computer, a card reading and writing module and an electric energy metering module, and the charging and electricity selling process is completed through the cooperation of a singlechip module and the modules, specifically, the charging card is provided with a USB interface, the charging card of a user is inserted into the card reading and writing module connected with the electricity selling computer and matched with the electricity selling computer, and the electricity selling computer is connected with a network encryption machine through a cloud server; transmitting data to be written into a user UKEY (or a network encryption machine) and returning encrypted data; and writing the encrypted data into the charging card.

The remote electricity selling system comprises a cloud server, an electricity selling computer, a network encryption machine and an electric energy meter; the cloud server is connected with the electricity selling computer and the network encryption machine, and the electric energy meter is downloaded with the private key; transmitting the data to be written into a network encryption machine and returning the encrypted data; writing the encrypted data into the electric energy meter through a remote communication system; the electric energy meter is the electric energy meter which is downloaded with the private key, so that the downloaded private key on the electric energy meter is used for decryption regardless of encrypted data transmitted from the electricity selling card or the cloud server; and then writing the decrypted data into the electric energy meter.

For the key management platform, the key of the system is controlled by the master UKEY, the key UKEY and the user UKEY. All keys are generally USB flash disk-mounted devices, have USB interfaces, and can be inserted into a computer to work with software. The master control UKEY is used for issuing a user UKEY and a key UKEY; and the key UKEY is responsible for downloading or recovering the key of the electric energy meter. The user UKEY is used for remote parameter read-write encryption and data encryption of a local read-write card.

Furthermore, the UKEY of the user in the charging card electricity selling system is a physical form card used for storing user information and charging balance,

and the user UKEY in the remote electricity selling system is a network version user UKEY and is communicated through remote acquisition.

Generally, in a charging card electricity selling system, a charging card is needed to store a user UKEY, the user UKEY is a charging card at this time, and the user UKEY in the remote electricity selling system performs user identification and authentication through a user account and a password issued by the master control UKEY.

Furthermore, the charging card electricity selling system is divided into a single machine version and a network version, and the single machine version reads the UKEY of the user by using the electric energy meter;

the network version charging card electricity selling system uses a computer to read the UKEY of the user in a matching way.

The charging card electricity selling system is divided into different versions to meet the requirements of different users, wherein the single version is suitable for residential districts and business districts with fewer users and low management requirements. Charging the property payment and charging to the charging card by using the charging card, and then inserting the charging card into the electric energy meter to charge to the electric energy meter; the network version charging card electricity selling system is a network encryption machine connected to a cloud server, and for data, a single version is placed on a local computer, and a network version is placed on the network encryption machine.

Furthermore, the electric energy meter is divided into a low-grade electric energy meter and a high-grade electric energy meter,

the low-grade electric energy meter is a prepayment electric energy meter, and the electric energy meter state information of the low-grade electric energy meter comprises a local account opening state, a remote account opening state, an electricity protection state, an arrearage state, an overdraft state, an available credit amount state, an alarm amount state, a card insertion state when the electric charge is 0, a three-phase voltage open-phase state and an electric brake state.

Furthermore, the high-grade electric energy meter is also provided with functions of rate electricity price, step electricity price, electricity price in the rich and low water season, multi-month settlement electricity quantity recording, event recording and the like;

the high-grade electric energy meter is performed by an ESAM chip which is specially responsible for encryption and decryption in the electric energy meter, and a secret key and an encryption algorithm of the high-grade electric energy meter are unrelated to a program, so that the safety is higher; the cost control electric energy meter is provided with an RS485 infrared communication interface and a modularized communication interface; the modularized communication interface can be plugged with different carrier modules and wireless communication modules according to needs so as to realize the centralized collection of regional electric energy meter information.

The high-grade electric energy meter is a cost control electric energy meter which meets the national grid company standard. Compared with low-end electric energy meters, the electric energy meter has the advantages of stronger function, higher safety and more communication means. The prepayment electric energy meter (low-grade electric energy meter) is only a single-rate electric energy meter, and has no rate electricity price, step electricity price, electricity price in the rich and low water period, no multi-month settlement electric quantity record and no event record. The cost control electric energy meter (high-grade electric energy meter) has the functions; the data encryption of the communication process of the prepayment electric energy meter is carried out by software in a CPU, the fee control electric energy meter is carried out by an ESAM chip which is specially responsible for encryption and decryption in the electric energy meter, and a secret key and an encryption algorithm of the fee control electric energy meter are independent of a program, so that the safety is higher; the charge control electric energy meter is provided with an RS485 infrared communication interface as a prepayment electric energy meter, and is also provided with a modularized communication interface. The modularized communication interface can be plugged with different carrier modules and wireless communication modules according to needs so as to realize the centralized collection of regional electric energy meter information.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. the invention relates to an extensible modular electricity selling system, which uses an electric energy meter to match with an electricity selling system connected with the electric energy meter, selects the types of the electric energy meter and the electricity selling system according to actual requirements, can adapt to different use environments, solves the requirement of logistics of different communities on reform of community electricity utilization management, not only can the user pay mode select diversification, but also can perform module taking and rejecting according to actual conditions, integrates product management and automatic control into a whole, prepays electricity, measures accurately, cuts off reliably, can improve power supply management efficiency, and meets the management requirements of electricity utilization in communities, student apartments and dormitories.

2. The invention relates to an expandable modular electricity selling system, wherein the electric energy meter adopts a selectable high-grade or low-grade electric energy meter, and the electricity selling system adopts a charging card electricity selling system and a remote electricity selling system for selection or matched use, so that the selection can be carried out according to actual requirements, the selection form is diversified, and the requirements of different communities on the system can be met.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a block diagram of the system configurability of the present invention;

FIG. 2 is a simulation diagram of a remote electricity vending system of the present invention;

FIG. 3 is a simulation diagram of the full-function electricity selling system of the present invention

Detailed Description

All of the features disclosed in this specification, or all of the steps in any system or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, system, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, system, article, or apparatus that comprises the element.

The present invention will be described in detail with reference to fig. 1 to 3.