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摘要：本文介紹了預(yù)付費(fèi)灌溉表表在南非的應(yīng)用。單相預(yù)付費(fèi)灌溉表和三相預(yù)付費(fèi)灌溉表是集計(jì)量與控制與一身的新型預(yù)付費(fèi)電能表，支持射頻充值和遠(yuǎn)程充值，具有付費(fèi)控制、時(shí)間控制、惡性負(fù)載控制等多種控制模式?？蓛?nèi)置100A大容量磁保持繼電器實(shí)現(xiàn)電表內(nèi)部分合閘，也可提供無源干接點(diǎn)輸出控制外部斷路器實(shí)現(xiàn)跳閘功能。廣泛應(yīng)用于商業(yè)廣場、居民宿舍以及高校宿舍的預(yù)付費(fèi)用電管理。

Abstract:This article describes the application of prepaid public energy meter in South Africa. Single-phase prepaid public meters and three-phase prepaid public meters are new prepaid electric energy meters that integrate measurement and control. They support radio frequency recharge and remote recharge, and have multiple control modes such as payment control, time control, and vicious load control. It can be built-in 100A large-capacity magnetic latching relay to realize partial closing of the electric meter, and it can also provide passive dry contact output to control the external circuit breaker to realize the tripping function. It is widely used in the management of prepaid electricity consumption in commercial plazas, residential dormitories and college dormitories.

1.項(xiàng)目概述 Project overview:

此公司是南非的充電樁公司，該公司想要采購單相和三相的預(yù)付費(fèi)電表用于測試，通過預(yù)付費(fèi)電表時(shí)間控制、付費(fèi)控制的功能，實(shí)現(xiàn)多人共同使用充電樁充電的目的。在了解了客戶的應(yīng)用場景和需求后，推薦了單相、三相的灌溉表及本地預(yù)付費(fèi)充值系統(tǒng)。

This company is a charging pile company in South Africa. The company wants to purchase single-phase and three-phase prepaid meters for testing. Through the time control and payment control functions of prepaid meters, it can realize the purpose of multiple people using charging piles for charging. After understanding the customer's application scenarios and needs, single-phase and three-phase public meters and local prepaid recharge systems were recommended.

2. 預(yù)付費(fèi)灌溉表的優(yōu)點(diǎn)

Advantages of prepaid public energy meter

預(yù)付費(fèi)電表先付費(fèi)后用電與傳統(tǒng)后付費(fèi)電表相比，導(dǎo)軌式預(yù)付費(fèi)灌溉表具有以下優(yōu)點(diǎn)：

1）導(dǎo)軌式安裝，無需在墻面上打孔，破壞建筑，只需要將表卡在35mm導(dǎo)軌上即可，安裝方便快捷且不會(huì)對(duì)安裝地造成損壞；

2）區(qū)別于傳統(tǒng)先計(jì)量再收費(fèi)模式，實(shí)行先付費(fèi)后用電的模式，方便對(duì)用戶的統(tǒng)一管理，節(jié)省了抄表及收費(fèi)的時(shí)間和人工成本，解決了收費(fèi)困難的問題；

3）以卡為介質(zhì)，將電費(fèi)通過刷卡形式充入電能表內(nèi)。內(nèi)控型電表，支持遠(yuǎn)程充值，減少人力維護(hù)成本，提高用戶體驗(yàn)。

Compared with traditional post-paid energy meters, the guide rail type prepaid public meters have the following advantages:

1) Rail-type installation, no need to punch holes on the wall and damage the building, just clip the watch on the 35mm rail, which is convenient and quick to install and will not cause damage to the installation site;

2) Different from the traditional metering and then charging mode, it implements the mode of paying first and then using electricity, which facilitates the unified management of users, saves the time and labor cost of meter reading and charging, and solves the problem of charging difficulties;

3) Using the card as the medium, charge the electricity bill into the electric energy meter by swiping the card. The internally controlled electric meter supports remote recharge, reduces manpower maintenance costs, and improves user experience.

3.產(chǎn)品選型Product Selection

4.應(yīng)用Application

此灌溉表原本是應(yīng)用于本土的農(nóng)業(yè)灌溉，因客戶的應(yīng)用場景及公共使用的需求，經(jīng)項(xiàng)目評(píng)估可以用于電動(dòng)車充電樁的公共場所刷卡充值。我們?yōu)槭褂谜吲鋫湟粡圧F 卡，通過讀卡器及預(yù)付費(fèi)充值系統(tǒng)，可以為使用者購電寫卡以及回收清零，用戶有充電需求時(shí)，只需在電表上刷一下即可開始充電，充滿后再刷一下則取回卡中余款，使用方便快捷。

This public energy meter was originally used for local agricultural irrigation. Due to the customer's application scenarios and public use needs, it can be used for recharging in public places of electric vehicle charging piles after project evaluation. We provide users with an RF card. Through the card reader and prepaid recharge system, users can purchase electricity, write cards, and reset them. When users need to charge, they only need to swipe the meter to start charging. , Swipe again after full charge to retrieve the balance in the card, which is convenient and quick to use.

5 .結(jié)論Conclusion

隨著環(huán)境問題的突出，電動(dòng)汽車已經(jīng)越來越成為未來交通工具的主流，與之配備的充電樁的需求也越來越大，公共電動(dòng)汽車充電樁通過預(yù)付費(fèi)表控制啟停在未來將為更多的使用者提供方便快捷的服務(wù)。未來安科瑞將提供更加智能化的預(yù)付費(fèi)平臺(tái)，更方便于用戶的使用和統(tǒng)一的管理。

With the emergence of environmental problems, electric vehicles have become the mainstream of future transportation, and the demand for charging piles equipped with them is also increasing. Public electric vehicle charging piles will be controlled by the prepaid meter to start and stop in the future. More users provide convenient and efficient services. In the future, Acrel will provide a more intelligent prepaid platform, which is more convenient for users to use and unified management.

參考文獻(xiàn) Bibliography

1.Solutions For Enterprise Micro-grid System 2021.04