Device allowing battery packs to switch between series connection and parallel connection

Abstract

The invention provides a device allowing battery packs which are connected in series and applied to robots, electric motor cars, electric devices, control systems and the like to accurately and conveniently switch between series connection and parallel connection. The device provide by the invention is arranged on a charging socket, a charging socket door, actually a master trigger, is opened to link with an upper main drive gear shaft, a jumper wire movable plate slides, a series circuit and a series discharge end socket are disconnected, a parallel jumper wire plug is connected with a parallel end socket and a parallel charging end socket, and a positioner is locked, as a result, the series connection is switched into the parallel connection, so that the charging current charges the batteries at the same time, both the energy and time are saved, the use frequency is increased and the system safety is improved; and when the charging socket door covers the charging socket to link with the upper main drive gear shaft, the jumper wire movable plate slides, the parallel circuit and a charging end socket are disconnected, a series jumper wire plug is inserted into a series end socket and a series discharge end socket, and the positioner is locked, as a result, the parallel connection is switched into the series connection, so that the purposes of cleaning the charging socket and ensuring the safety of the function system are achieved.

Description

technical field [0001] The invention belongs to a storage battery series-parallel conversion device for discharging and charging a storage battery pack, which is widely used in various robots, electric vehicles, electric devices and control systems using a plurality of storage batteries. Background technique [0002] With the application of a large number of robots and electric vehicles, currently known robots, electric vehicles, electric devices and control systems, etc., the power, control and processing of the system need to rely on the series connection of multiple batteries to realize its functions, and all use series charging and discharging. Series charging will cause large charging loss, long charging time, and reduced number of cycles. The battery is prone to heat during charging due to the increase in resistance after being used for a period of time. The charging socket has no protection device, and the charging socket is oxidized when plugged in. Sparking, even ca...

AI Technical Summary

Problems solved by technology

[0004] In this process, the current passes through the electronic reaction of the first battery to the secondary electronic reaction of the other battery, which will inevitably cause internal friction. The more cycles, the greater the energy consumption, and the greater the additional loss of electricity. A large amount of unnecessary energy is consumed annually for this process

[0005] In this process, the cycle from charging to discharging to charging will prolong the charging time due to the generation of internal friction and the increase of resistance.

[0006] In this process, the first few accumulators are discharging at the same time while charging, and charging once equals more than two times, which affects the number of times the accumulator is used.

[0007] Due to the inconsistent charging and discharging times of the battery, when a certain number of times is reached, the resistance will increase, and as the resistance increases, heat deformation will occur, seriously affecting the entire electrical system

[0008] On the other hand, the current charging socket has no door protection, and the charging socket is also charged when it is not charging. It is easy to be dusted and short-circuited in the non-charging state, which will inevitably cause ignition and short-circuit spontaneous combustion.

[0009] According to this series of shortcomings, it is cumbersome and error-prone to solve the problem by manually switching from series to parallel.

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