Mechanical-hydraulic compound energy recycling system based on flywheel and energy accumulator

A composite energy and recovery system technology, applied in transportation and packaging, auxiliary drive devices, control devices, etc., can solve the problems of reducing energy utilization rate and achieve the effect of improving utilization rate, high energy density and high power density

Inactive Publication Date: 2017-07-25
JILIN UNIV
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  • Application Information

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Problems solved by technology

[0005] In the patent application publication number CN102897012A, although there are both flywheels and accumulators, when the car brakes, all energy is first converted into hydraulic energy, part of which is stored in the accumulator, and the other part is co

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  • Mechanical-hydraulic compound energy recycling system based on flywheel and energy accumulator

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Embodiment Construction

[0034] see figure 1 As shown, the present invention is made up of transmission device 1 and energy storage device 2, and energy storage device 2 is connected on the transmission device 1;

[0035] Transmission device 1 comprises engine 11, first clutch 12, speed reducer 13, transmission shaft 14, transaxle 15, wheel 16, gearbox 17, second clutch 18 and the 3rd clutch 19, engine 11, first clutch 12, deceleration The gears 13 are connected sequentially through shafts, the transmission shaft 14 is connected to the rear end of the reducer 13, the drive axle 15 is arranged at the rear end of the transmission shaft 14, the two ends of the drive axle 15 have wheels 16 respectively, and the gear box 17 is arranged at the front end of the transmission shaft 14. The second clutch 18 and the third clutch 19 are respectively connected on the gearbox 17;

[0036] The accumulator device 2 includes a hydraulic pump / motor 21, a switch valve 22, an oil tank 23, an accumulator 24, a one-way va...

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Abstract

The invention discloses a mechanical-hydraulic compound energy recycling system based on a flywheel and an energy accumulator. The mechanical-hydraulic compound energy recycling system is composed of a transmission device and an energy storage device, and the energy storage device is connected to the transmission device; the flywheel is separated from the energy accumulator through a gear box, and when a vehicle brakes or slows down, a part of braking energy can be stored in the flywheel directly to serve as kinetic energy of the flywheel; compared with an existing compound energy storage system, energy transformation between mechanical energy, hydraulic energy and mechanical energy is omitted, and the use ratio of energy is improved undoubtedly; and when a large amount of energy needs to be stored, the flywheel has an advantage over the energy accumulator, the flywheel and the energy accumulator also can make contact with each other, and the energy accumulator can store energy for a long time. According to the mechanical-hydraulic compound energy recycling system, the flywheel can drive a hydraulic pump/motor to rotate through mechanical power transmissions such as bevel gears and clutches, the hydraulic pump/motor work as a hydraulic pump, then the kinetic energy of the flywheel is transformed to hydraulic energy to be stored in the energy accumulator, and therefore waste of energy is avoided.

Description

technical field [0001] The invention relates to the field of energy recovery, in particular to a machine-hydraulic composite energy recovery system of a flywheel and an accumulator. Background technique [0002] In the existing energy recovery system, although the accumulator can be used as an energy storage element, the power density is high, but its energy density is low; the flywheel is used as an energy storage element, the power density is low, but its energy density is high, and it is usually used for the recovery of mechanical energy ; [0003] The existing method of mechanical-fluid composite energy storage, such as the Chinese invention patent application, application publication number: CN104776067A, is to make the flywheel and accumulator into one component. Although this method can also recover energy, it is extremely difficult to manufacture a prototype , and the airtightness of the flywheel accumulator needs to be considered, the cost is high, and it is not co...

Claims

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Application Information

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IPC IPC(8): B60K17/02B60K17/04B60K17/26B60K25/10
CPCB60K17/02B60K17/04B60K17/26B60K25/10B60K2025/106B60T2270/60
Inventor 张小江薛小杰钟源梁长球王泽昊李含
Owner JILIN UNIV
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