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Huabao Xinneng: six core technologies and achievements of portable energy storage

Huabao Xinneng is a leading enterprise of portable energy storage. The company started with ODM business of rechargeable treasure. With the continuous development of the business, the company's technology accumulation in lithium battery power management, industrial design, structural design and other aspects is deepening. In this process, the company attaches great importance to innovation and research and development, and enjoys a number of technical achievements in the field.

The core technologies of the company include portable energy storage power supply structure technology, battery module safety technology, power management system technology, lithium battery pack energy balance system technology, energy storage power supply modularization technology, parallel high-power output technology, etc., all of which originate from independent research and development.

Senyuan sorted out the six core technologies and achievements of Huabao Xinneng for your reference.

1. Structure technology of portable energy storage power supply

Industry status

The battery pack of the existing lithium battery is generally connected in series and in parallel through the common strip nickel tape, and generally no over-current protection structure is set.

Progressiveness technology

The structural design of over-current protection is innovatively added to the traditional lithium battery module, so that a single battery cell will automatically trigger the over-current protection device and start the automatic fusing mechanism in case of failure, so as to timely separate the failed battery cell from other battery cells, reduce the impact of the failed battery cell on other normal battery cells, and protect the normal and stable operation of the battery pack.

technological achievements

Conductive device and battery module for connecting electric cells (ZL201920973334.5)

2. Safety technology of battery module

Industry status

Each cell single system inside the battery pack of the existing lithium battery is fixed by a simple bracket or tape winding, and the cells are simply connected by wires, without effective isolation protection, which cannot meet the requirements of high current charging and discharging

Progressiveness technology

① According to the size and quantity of the electric cells in the battery pack, the specialized electric cell fixing bracket with isolation and protection function is customized to ensure that there is a reasonable and safe spacing between the individual electric cells, which can not only ensure that the layout of the individual electric cells is compact enough to save space, but also ensure that the individual electric cells will not be squeezed, loosened or even cause short circuit and other potential safety hazards under strong vibration;

② The heat transfer and heat dissipation efficiency of the battery pack is greatly improved and the continuous discharge performance of the battery pack is improved without excessively increasing the weight of the battery pack by selecting a new type of heat conduction material with excellent heat conduction performance and light weight in the battery cell fixing bracket;

③ By adding a temperature sensor module at the sensitive position of the cell monomer, the real-time monitoring of the cell temperature can be realized when the energy storage equipment is used, and the alarm can be given in time when the cell temperature is overheated, which greatly improves the safety of the energy storage equipment.

technological achievements

① A battery pack (ZL201,710,240,813.1)

② A battery pack (ZL201720387945.2)

③ Outdoor energy storage device (ZL201620739030.9)

④ An energy storage device (ZL201820459982.4)

3. Power management system technology

Industry status

The traditional high-power power supply circuit may lead to short circuit of the circuit under the condition that some components are suddenly damaged, or cause the temperature of components or electric cores to rise sharply due to excessive current, or even cause fire in serious cases.

Progressiveness technology

By creatively adding a circuit and electronic protection device that can be started in time when the electronic components are out of control in the traditional electronic circuit board, real-time monitoring of electrical signals can be realized during the circuit operation process, and the circuit loss protection device can be automatically started to effectively protect the circuit in case of abnormal electrical signals, and can be used in high temperature, low temperature and other harsh environments as well as overcharge, overdischarge, overload Multiple protection for circuits and electronic components under extreme conditions such as short circuit.

technological achievements

① A circuit out of control protection circuit and electronic device (ZL201821122490.2)

② Power management software V1.0 (2014SR195315)

③ Power temperature detection software V1.0 (2014SR195324)

4. Lithium battery pack energy balance system technology

Industry status

The initial state of the lithium battery cell cells is slightly different due to the subtle differences in the production process. After a period of charging and discharging, the differences in the capacity and voltage of each cell cell will become more obvious. When the state differences between cell cells reach a certain extent, it will seriously affect the overall charging and discharging performance of the battery pack, leading to shortened battery pack life.

Progressiveness technology

① The detection control module is added to the battery pack to monitor the voltage of each cell during operation. When the maximum and minimum voltage values of each cell exceed the threshold value, the equalization control module will be triggered to start the battery pack energy equalization mechanism;

② When developing the new battery pack energy balance system, the super capacitor used as the energy transfer intermediary in the traditional energy balance system was omitted, and the balance technology of active and selective connection between the high energy cell monomer and the low energy cell monomer was innovatively developed to realize the real-time transmission of energy between the cells. The energy balance efficiency was effectively improved without using the energy transfer intermediary of energy storage and release;

③ Through one-to-one corresponding coupling of the wireless power transmitting unit and the wireless power receiving unit, the charging equalization of multiple cell units can be achieved in a breakthrough way

technological achievements

① Energy balance system of lithium battery pack (ZL201720375918.3)

② Battery pack equalization device, battery pack device and battery pack powered device (ZL201821092461.6)

5. Modular technology of energy storage power supply

Industry status

In the prior art, the shells are usually fixedly connected together, and the number of electric cores and solar panels cannot be flexibly increased or decreased according to the actual situation. It is also inconvenient to replace different socket interfaces, and the applicability is poor

Progressiveness technology

Through innovative design and development of modular shell and battery module components, shell modules and battery modules of different specifications of energy storage power supply products have stronger adaptability, mainly including:

① The energy storage power supply product can replace any adaptable socket according to the specification requirements of different electrical equipment plugs, without the need to re open a new socket group;

② Through the flexible card slot and card block set on the shell, the removable connection between the battery module and the shell can be realized by relying on the card slot and card block clamping position coordination, so that the number of cells in the energy storage power supply product can be flexibly adjusted according to the use demand;

③ The connection port of magnetic adsorption is set at the connection port of the solar panel to realize the free assembly and combination of multiple solar panels, greatly improving the charging rate of energy storage power products through the solar panel

technological achievements

① Battery module shell and battery module (ZL201920557440.5)

② A mobile power supply (ZL201920907087.9)

③ Solar panel and solar panel components (ZL201921738578.1)

Industry status

In many occasions, portable energy storage products provide convenience for outdoor activities in mountain areas with power shortage and emergency rescue in remote mountain areas with power shortage. However, in some occasions, the power of a single portable energy storage product may not meet the output power requirements of electrical equipment, resulting in that some high-power electrical equipment cannot be started and operated through the power provided by portable energy storage products

Progressiveness technology

① By setting a special interface in the energy storage power supply that can realize stable parallel connection, and by matching with an appropriate parallel online line, two or more independent energy storage power supplies can be stably connected in parallel;

② Through the energy storage power supply connected in parallel, its output power can be superimposed, so that it can drive higher power appliances to start and operate stably;

③ Compared with the traditional parallel device, the new parallel control device has faster connection speed, stronger stability of parallel connection, and easier operation, which can effectively meet customers' requirements for parallel product performance and improve the convenience of product use

technological achievements

An energy storage power supply and its parallel control device (ZL20201561138.6)