As can be seen from the literal meaning, "energy storage" means "the storage of energy", referring to the conversion of different forms of energy such as electrical energy, thermal energy, and mechanical energy into other forms of energy for storage, and then converting them into the required energy forms for release when needed. An energy storage wire harness refers to a device used to store electrical energy, which can transmit electrical energy to energy storage devices through the wire harness.
Energy storage wire harnesses are usually composed of multiple cables and connectors, and can transmit electrical energy from generators or batteries to energy storage devices for subsequent use. The design and manufacturing of energy storage wire harnesses need to consider various factors such as power, voltage, current, temperature, and environment.
To ensure the reliability and safety of the wire harness, designers need to conduct detailed electrical and mechanical analyses on the wire harness and use high-quality materials and manufacturing processes.
Energy storage wire harnesses are usually composed of many batteries, which are connected together by wires and connectors to form a wire harness. Energy storage wire harnesses are usually used in fields such as electric vehicles, aerospace, and military applications.
The structure of an energy storage wire harness includes batteries, connectors, wires, protection devices, and control circuits. Batteries are the most important part of an energy storage wire harness. Common batteries include lithium-ion batteries, nickel-metal hydride batteries, and supercapacitors.
Connectors are used to connect batteries. Common connectors include plugs, sockets, plug boards, and connection blocks. Wires are used to transmit electrical energy, and their materials include copper, aluminum, etc. Protection devices are used to protect batteries from damage caused by overcharging, overdischarging, and short circuits.
Control circuits are used to monitor the status of batteries, control the charging and discharging processes, and ensure the long life and safety of batteries. The use of energy storage wire harnesses can greatly improve energy utilization efficiency, reduce energy waste and environmental pollution.
For example, the use of energy storage wire harnesses in electric vehicles can reduce fuel consumption and carbon dioxide emissions and improve the vehicle's driving range and performance. The use of energy storage wire harnesses in aerospace and military applications can improve the reliability and safety of the system and enhance the combat effectiveness and operational capabilities of the system.
The Composition of the Most Popular Energy Storage Wire Harnesses for New Energy Vehicles
The composition of the power wire harness for automotive energy storage. The wire harness is composed of wires with different specifications and performance. The main specifications and performance requirements are as follows:
01 Cross-sectional Area of the Energy Storage Power Wire Harness
Select the cross-sectional area of the wire according to the load and current of the electrical equipment. The general principle is that for electrical equipment with a long working time, 60% of the actual current can be used, and for electrical equipment with a short working time, 60% to 100% of the actual current can be used.
02 Color of the Energy Storage Power Wire Harness
There are colors and serial numbers on the vehicle's circuits. With the continuous increase in the number of automotive electrical equipment, the number of wires is also increasing. To facilitate the identification and maintenance of automotive electrical equipment, the low-voltage wires in the vehicle's circuits are usually composed of wires of different colors. In the vehicle wiring diagram, color coding (represented by one or two letters) is usually used, and the wires are usually of different vehicle colors. There are two common selection principles for single-color and multi-color. One of the colored lines is the former, and the latter is the complementary color.
03 Physical Properties
(1) The wires between the door and the door body should be bent wires.
(2) The wires used for the high-temperature resistant part are usually vinyl chloride or polyethylene-coated wires with good insulation and heat resistance.
(3) In terms of the shielding function, in recent years, more and more electromagnetic wave shielding circuits using weak signal lines have been adopted.
04 Bundling of the Power Wire Harness
(1) The semi-folding packaging, painting, and drying processes are adopted, which greatly improve the strength and insulation performance of the cable.
(2) A new type of wire harness is placed in the side-cut plastic corrugated tube, partly wrapped with plastic, making it more solid, more protective, and more convenient to find fault lines.
Overall, the value of energy storage is being recognized more and more, and the discussions about energy storage are getting hotter. Once, energy storage providers were eagerly hoping to get the support of national subsidies like the photovoltaic and electric vehicle industries. However, after the subsidy reduction for electric vehicles and the "531" policy in the photovoltaic industry, which led to a lot of wailing in the photovoltaic industry, energy storage enterprises should also return to rationality.
The difficulties faced by energy storage enterprises at the present stage are as follows: First, the technical capabilities need to be improved. The charging and discharging performance, safety and stability of batteries, and the treatment of waste batteries all need to be further solved. Second, there is a lack of effective market mechanisms and price strategies, and energy storage has not yet demonstrated sufficient value in the electricity market. Therefore, what energy storage enterprises can mainly do is: improve the technical level and track the progress of the market.
Once the spot market is established, the simple peak-valley price difference arbitrage can be transformed into time-sharing price difference arbitrage, and the utilization space of energy storage will increase accordingly; in a mature auxiliary service market, energy storage can participate in almost all types of auxiliary service items and obtain corresponding revenues; with the in-depth progress of demand-side response, microgrid and other projects, the status of energy storage will also be upgraded and become an important flexibility resource in the system. At present, the energy storage projects are still far from large-scale application, and the energy storage wire harnesses still have a lot of room for development.