With the global emphasis on environmental protection and sustainable development, new energy electric vehicles (EVs), as a representative of low-carbon travelling, are gradually becoming the development direction of the future automotive industry. As an important supporting facility for EVs, AC charging piles have attracted much attention in terms of technology, usage scenarios and characteristics, among which GB/T 7KW AC charging stations, as a hot-selling product among AC charging piles, have attracted much attention and popularity both at home and abroad.
Technical principle of GB/T 7KW AC charging station
An AC charging station, also known as a ‘slow-charging’ charging post, has at its core a controlled power outlet that outputs electricity in AC form. It transmits 220V/50Hz AC power to the electric vehicle through the power supply line, then adjusts the voltage and rectifies the current through the vehicle's built-in charger, and ultimately stores the power in the battery. During the charging process, the AC charging station is more like a power controller, relying on the vehicle's internal charge management system to control and regulate the current to ensure stability and safety.
Specifically, the AC charging post converts AC power into DC power suitable for the battery system of the electric vehicle and delivers it to the vehicle through the charging interface. The charge management system inside the vehicle finely regulates and monitors the current to ensure battery safety and charging efficiency. In addition, the AC charging pile is equipped with a variety of communication interfaces that are widely compatible with the battery management system (BMS) of different vehicle models as well as the protocols of charging management platforms, making the charging process smarter and more convenient.
Technical characteristics of GB/T 7KW AC charging station
1. Moderate charging power
With a power of 7 kW, it can meet the daily charging needs of most electric vehicles and is convenient to use at home or at work. Compared with higher power charging piles, the load on the power grid is relatively small and the installation requirements are more flexible. For example, under the condition of power facilities in some old districts, there is also a greater feasibility of installation.
2.AC charging technology
With AC charging, the charging process is relatively gentle and has less impact on the life of the battery. The GB/T 7KW AC charging station converts AC power to DC power for charging the battery through the on-board charger. This method can better control the charging current and voltage, and reduce the occurrence of problems such as overheating of the battery.
It is highly compatible and suitable for most electric vehicle models equipped with AC charging piles, providing users with a wide range of choices.
3.Safe and reliable
It has perfect safety protection functions, such as over-voltage protection, over-current protection, leakage protection, short-circuit protection and so on. When an abnormal situation occurs during the charging process, the charging pile can cut off the power supply in time to ensure the safety of vehicles and personnel.
The shell is made of high-strength materials with waterproof, dustproof and corrosion-resistant characteristics, which can adapt to various complex outdoor environments. At the same time, the internal circuit of the charging pile is reasonably designed, with good heat dissipation performance, to ensure the stable operation of the equipment.
4.Intelligent and convenient
It is usually equipped with an intelligent control system, which can realise remote monitoring and management. Users can check the charging status, remaining time, charging power and other information in real time through mobile phone APP, etc., which is convenient for users to arrange their time reasonably.
Support a variety of payment methods, such as WeChat payment, Alipay payment, card payment, etc., to provide users with a convenient payment experience. Some charging posts also have the function of charging reservation, which allows users to set the charging time in advance according to their needs, avoiding the peak of electricity consumption and reducing charging costs.
5.Easy installation
Relatively small size, easy to install. GB/T 7KW AC charging station can be installed in car parks, community garages, unit car parks and other places, without taking up too much space. The installation process is generally relatively simple, only need to connect the power supply and grounding, can be put into use.
Application Scenarios of GB/T 7KW AC charging station
1. Residential neighbourhoods
With the popularity of electric vehicles, more and more residents choose to buy electric vehicles as their daily travelling tools. Installing 7KW AC charging pile in residential community can provide convenient charging service for owners and solve their charging problems. Owners can charge at night or when parking time is longer, without affecting daily use.
For newly built districts, the installation of charging piles can be incorporated into the planning and design, and charging facilities can be constructed in a unified manner, so as to improve the intelligent level and living quality of the district. For old districts, charging piles can be installed gradually through the transformation of electric facilities and other means to meet the charging needs of residents.
2.Public car parks
Public car parks in cities are one of the important places for EV charging. Installing 7KW AC charging post in public car parks can provide convenient charging service for the public and promote the popularity and development of electric vehicles. The charging piles in public car parks can be unmanned and operated and paid for through mobile phone APPs and other means to improve the efficiency of use.
The government can increase investment in the construction of charging facilities in public car parks, formulate relevant policies and standards, and guide social capital to participate in the construction and operation of charging stations, so as to improve the level of charging services in public car parks.
3.Internal Car Parks
7KW AC charging piles can be installed in the internal car parks of enterprises, public institutions and government agencies to provide charging services for their employees and facilitate their travelling. The organisations can cooperate with charging pile operators or build their own charging facilities to provide benefits to their employees and help promote the concept of green mobility.
For units with fleets of vehicles, such as logistics companies and taxi companies, they can install charging piles in their internal car parks for centralised charging of vehicles to improve operational efficiency and reduce costs.
4.Tourist Attractions
Tourist attractions usually have larger car parks, and tourists can charge their vehicles while playing to solve their range anxiety. Installing charging piles in tourist attractions can improve the service level of the attractions and the satisfaction of tourists, and promote the development of tourism.
Tourist scenic spots can co-operate with charging pile operators to combine charging services with scenic spot tickets, catering and other services, launching package services and increasing the source of income of scenic spots.
The future outlook of GB/T 7KW AC charging station
First of all, at the technical level, GB/T 7KW AC charging stations will continue to develop in the direction of intelligence, efficiency and safety. Intelligent management will become the standard, through the Internet, big data and artificial intelligence technology, to achieve remote monitoring, intelligent scheduling and fault warning, to improve the convenience and reliability of charging services.
Secondly, in terms of market demand, with the continued expansion of the new energy vehicle market and the increased demand for convenient charging services from consumers, the market demand for GB/T 7KW AC charging piles will continue to grow. Especially in public places such as communities and car parks, as well as private residential areas, 7KW AC charging piles will become important charging facilities.
At the policy level, government support for new energy vehicles and charging infrastructure will continue to increase. The construction and operation of charging infrastructure will be encouraged through subsidies, tax incentives, land supply and other policy measures. This will provide strong policy guarantee and support for the development of GB/T 7KW AC charging pile.
However, GB/T 7KW AC charging station also faces some challenges in the development process. For example, the unification of technical standards and compatibility issues need to be further resolved; the construction and operation costs of charging facilities are high, and more cost-effective operation modes need to be explored;
In summary, the future outlook of GB/T 7KW AC charging pile is full of opportunities. With technological progress, market demand growth and strengthened policy support, GB/T 7KW AC charging pile will usher in a broader development prospect. At the same time, it is also necessary to overcome the challenges of technology, market and policy to promote the standardisation, standardisation and intelligent development of charging infrastructure.
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