Energy recyclable auxiliary hub motor hydraulic driving system and control method thereof

A technology of in-wheel motor and energy recovery, which is applied to the arrangement of multiple different prime movers of pneumatic power units, general power units, and motor vehicles, etc., can solve the problem of inability to realize the recovery and reuse of braking energy, and the liquid-driven hybrid structure. The problems of complexity and large changes in the transmission structure can achieve the effect of realizing braking energy recovery, improving fuel economy and small size.

Active Publication Date: 2014-02-12
CHINA FIRST AUTOMOBILE
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Problems solved by technology

[0005] The hydraulic drive system proposed by the Chinese patent application CN102358163A has a lot of similarities with the hydraulic drive hybrid system in structure, but the disadvantage is that the braking energy canno...

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  • Energy recyclable auxiliary hub motor hydraulic driving system and control method thereof
  • Energy recyclable auxiliary hub motor hydraulic driving system and control method thereof
  • Energy recyclable auxiliary hub motor hydraulic driving system and control method thereof

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Embodiment Construction

[0064] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0065] refer to figure 1 , the hub motor hydraulic auxiliary drive system capable of energy recovery in the present invention includes a power take-off 14, a hydraulic pump 10, a hydraulic control valve group 11, a second solenoid valve A18 and a second solenoid valve B17, and a first accumulator 1 , the second accumulator 16, two hydraulic motors 19 and the controller 5 installed in the hub of the front wheel 20. Wherein, the hydraulic control valve group 11 includes a first electromagnetic valve 15 and two overflow valves 13, and its structure is as follows: Figure 8 shown.

[0066] refer to figure 1 , one end of the power take-off 14 is connected with the output shaft of the driving accessories (cooling fan, etc.) The actual layout space size is connected by a spline sleeve or a flange or a short universal joint, so as t...

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Abstract

The invention discloses an energy recyclable auxiliary hub motor hydraulic driving system which comprises a controller, a power take-off device, a hydraulic pump, a hydraulic control valve set and two hydraulic motors arranged in two front wheel hubs. The energy recyclable auxiliary hub motor hydraulic driving system is characterized in that the system further comprises two energy accumulators and two solenoid valves. A closed loop is formed by the hydraulic pump and the two hydraulic motors through the hydraulic control valve set, and two energy accumulators are mounted on the oil inlet loop and the oil outlet loop of the two hydraulic motors respectively through the solenoid valves. The system can improve the driving force of a whole vehicle on bad condition roads, can further achieve energy recovery when the vehicle brakes, and improve the economical efficiency of the whole vehicle by closing the engine when the vehicle travels at low speed.

Description

technical field [0001] The invention belongs to the technical field of automobile hydraulic application, and relates to a wheel hub motor hydraulic auxiliary drive system capable of realizing energy recovery. Background technique [0002] Commercial vehicles, heavy trucks and engineering vehicles often encounter unsteady ground such as mine roads, country roads, construction sites, and slippery roads such as mud, ice and snow. Its adhesion coefficient is generally small, and occasionally has a large slope. In these cases, the traditional single-axle drive vehicle may slip on the drive wheel, and the vehicle's passability is poor. The all-wheel drive vehicle overcomes the shortcomings of the traditional single-axle drive vehicle, can effectively use the attached weight, obtain the maximum driving force, and obviously enhance its passing performance on bad roads. However, the working environment of general engineering vehicles is relatively complicated. Although there are so...

Claims

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Application Information

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IPC IPC(8): B60K6/12B60W20/00B60W30/182B60K7/00
CPCY02T10/6208Y02T10/62Y02T10/92
Inventor 刘彬娜李胜翟德文王敏王秀鹏曲新强柳兴林
Owner CHINA FIRST AUTOMOBILE
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