COMBINED POWER SUPPLY

Abstract

The combined power supply contains an accumulator battery and a supercapacitor. It contains a universal battery module, made in the form of a metal box which is mounted to the frame of the electric bicycle, and in the middle of which is placed an accumulator battery with a charge protection unit connected to the active battery balancer. A supercapacitor connected to a supercapacitor converter/balancer that is coupled to a current sensor coupled to an overload protection unit of a universal module coupled to a downconverter. The active battery balancer is connected to the battery monitor and controller which is also coupled to the supercapacitor converter battery monitor, temperature sensor, and data exchange module.

Claims

1. A combined power supply comprising: an accumulator battery; a supercapacitor, a universal battery module, made in the form of a metal box, which is mounted on the frame of the bicycle, and in the middle of which is placed an accumulator battery with the protection unit, protecting from the recharge coupled to an active accumulator battery balancer, a supercapacitor connected to a supercapacitor converter/balancer; a supercapacitor is connected to a current sensor coupled to a protection unit protecting from the universal module overloading, connected to the power supply unit—the downconverter; the active accumulator battery balancer connected to the accumulator battery monitor and the controller, which is also connected to the supercapacitor converter the accumulator batte1Y monitor, temperature sensor, and the data exchange module.

2. The combined power supply according to claim 1, wherein the lithium-ion battery is used as the accumulator battery.

Description

BRIEF DESCRIPTION OF DRAWINGS

[0024] The invention is illustrated by drawings, where:

[0025] FIG. 1 shows a block diagram of a combined power supply;

[0026] FIG. 2 shows a general view of the combined power supply.

[0027] Combined power supply contains a universal battery module (I) made in the form of a metal box, which is mounted on the frame of the electric bicycle, and in the middle of which is placed the accumulator battery (2) (lithium ion) with the protection unit (3), protecting from the recharge coupled to an active accumulator battery balancer (4), a supercapacitor (5) connected to a supercapacitor converter/balancer (6). Supercapacitor (5) is connected to a current sensor (7) coupled to a protection unit (8) protecting from the universal module (I) overloading, connected to the power supply unit (9)—the downconverter. The active accumulator battery balancer (4) connected to the accumulator battery monitor (10) and the controller (11), which is also connected to the supercapacitor converter (6) the accumulator battery monitor (10), temperature sensor (12) and the data exchange (13) module—CAN interface.

[0028] The combined power supply operates as follows.

[0029] In the Initial phase the acceleration of the electric bicycle is due to the energy of the supercapacitor (5), and at the moment when the rotor of the electric bicycle reaches the necessary rotation the electric motor of the bicycle switches to accumulator battery (2), and the supercapacitor (5) at this time is energized. Energy recovery is also actively used. When the electric bicycle is braking and the engine is in recovery mode, the current starts flowing from the engine to the accumulator battery (2). If the supercapacitor (5) is not fully charged, the charging converter charges the supercapacitor (5) until full charging or stopping of the engine as a source of energy. Since supercapacitor (5) can be charged quickly, losses during recovery will be minimal. Since the supercapacitor (5) and the converter/balancer (6) have low internal resistance, the energy losses to heat the components will be minimal. Measuring the engine consumption and acceleration of the electric bicycle, the controller (11) triggers the charge or discharge of the supercapacitor (5). When the engine consumption is positive and the speed of the vehicle increases, the supercapacitor (5) begins to discharge. In the opposite situation, when the engine is running as a generator, the supercapacitor (5) begins to consume additional energy.