In the case of a regeneration operation, power on the main machine side is supplied to the auxiliary machine side, the voltage on the auxiliary machine side is set to a first voltage value predetermined on the basis of the operation voltage specification of the auxiliary machine device, the power on the auxiliary machine side is stopped and the supply of power to the auxiliary machine side is stopped, and the power on the auxiliary machine side is supplied to the power storage device. When the regeneration operation has ended, the power supply from the main engine side to the auxiliary engine side is stopped, the auxiliary engine side generator is controlled such that the auxiliary engine side generator is started, the auxiliary engine side voltage becomes a first voltage value, and the power of the power storage device is supplied to the auxiliary engine side. The voltage on the auxiliary machine side is a second voltage value higher than the first voltage value. As a result, it is possible to suppress fluctuations in the supply voltage to be supplied to the auxiliary machine when the regenerative operation by the travel motor is switched.
在处于再生动作中的情况下,将主机侧的电力向辅机侧供给,使辅机侧的电压成为基于辅机装置的动作电压规格预先规定的第一电压值,并使辅机侧的发电机停止而停止电力向辅机侧的供给,并将辅机侧的电力向蓄电装置供给,在再生动作已经结束的情况下,停止电力从主机侧向辅机侧的供给,并控制辅机侧的发电机,使得辅机侧的发电机起动,辅机侧的电压成为第一电压值,并进行控制,使得蓄电装置的电力向辅机侧供给,辅机侧的电压成为比第一电压值高的第二电压值。由此,能够抑制切换基于行驶马达的再生动作时对辅机供给的供给电压的变动。
Regenerative braking system and electrically driven work vehicle using same
再生制动系统以及使用该系统的电驱动作业车辆
07.04.2023
Patent
Elektronische Ressource
Chinesisch
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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