JP2018114912A - Power transmission mechanism for driving installation equipment of vehicle, system for controlling installation equipment of vehicle, and method for controlling installation equipment of vehicle - Google Patents

Abstract

Power transmission mechanism for driving vehicle bodywork equipment capable of reducing weight, space saving and cost, and vehicle bodywork equipment having power transmission mechanism for driving vehicle bodywork equipment A control system and a vehicle body equipment control method are provided.
A first clutch 117, a motor generator 111, a second clutch 118, and a drive device 110 are sequentially input from an upstream side to a power input shaft 116 of an engine 10, and each device inputs power of the engine 10. Arranged so as to be coaxial with the shaft 116.
[Selection] Figure 1

Description

  The present invention relates to a power transmission mechanism for driving a bodywork facility of a vehicle, comprising: an engine, a motor generator, and a drive device that drives the bodywork facility with the power of the engine or the power of the motor generator. The present invention relates to a vehicle body equipment control system including a power transmission mechanism for driving the body equipment and a vehicle body equipment control method.

  Among vehicles on which an engine (internal combustion engine) such as a diesel engine is mounted, there is a vehicle having a bodywork facility (for example, a packer device in the case of a garbage vehicle) that is driven when the vehicle is stopped. In a vehicle equipped with this bodywork facility, in the prior art, when the vehicle is stopped and the bodywork facility is driven, the power of the engine is connected to the other end side of the PTO shaft via the PTO shaft connected to the transmission. The bodywork equipment was driven by transmitting to the drive device for driving the bodywork equipment connected to.

  In this connection, in a garbage collection vehicle that takes out the driving force of a traveling engine that supplies pressure oil to the hydraulic equipment that drives the dust loading device and is driven by the PTO device, the value of the load that the dust loading device acts on is predetermined. When the value exceeds the value, the power of the electric motor is added to the power of the traveling engine, thereby avoiding an increase in the rotational speed of the traveling engine and driving the dust loading device against a large load. There has been proposed a garbage truck that can perform such operations (see, for example, Patent Document 1).

  However, the present inventors have found that the fuel consumption of the engine required for driving the bodywork equipment in the course of the vehicle traveling along a preset travel route, such as the garbage collection process of the garbage vehicle and the delivery process of the delivery vehicle. However, it has been found that this amount is not necessarily small compared to the fuel consumption of the engine required for traveling along this travel route. This tendency is particularly noticeable when the packer device of a garbage vehicle is used as a bodywork facility.

  Therefore, the present inventors have developed a vehicle equipped with a motor generator for driving the bodywork equipment. More specifically, as shown in FIGS. 2 and 3, either the power of the engine 10 or the power of the motor generator 111 is transmitted to the drive device 110 via the power transmission mechanism 114, and this drive device 110. Has developed a vehicle configured to drive the bodywork equipment 115.

  In this vehicle, the power of the engine 10 or the power of the motor generator 111 is driven according to the amount of charge (SOC) of the battery 113 connected to the motor generator 111 via the inverter 112 when the vehicle is stopped. Therefore, the fuel consumption of the engine 10 required for driving the bodywork equipment 115 can be reduced as compared with the prior art. Further, in this vehicle, when the charge amount of the battery 113 is small, the bodywork equipment 115 is driven by the power of the engine 10 and the motor generator 111 is caused to generate electric power to charge the battery 113.

  However, as shown in FIGS. 2 and 3, the power transmission mechanism 114 provided in the vehicle proposed by the present inventors includes a motor generator 111, a driving device 110, and an input shaft (PTO shaft) 116 of the power of the engine 10. Are connected in parallel, so that due to this configuration, components (gear, chain, etc.) for transmitting power between the engine 10, the motor generator 111, and the drive device 110. In FIG. Gear 114a, idle gear 114b, and driven gear 114c) are required. Since these power transmission parts 114a to 114c are arranged in the power transmission mechanism 114, there are problems that the power transmission mechanism 114 is enlarged and takes up space, the weight of the entire vehicle is increased, and the cost is increased. It was.

JP 2005-41647 A

  The object of the present invention is to select one or both of the power of the engine and the power of the motor generator and ensure the power transmission function for reliably transmitting the power to the driving apparatus for driving the bodywork equipment. By removing the power transmission parts (gear, chain, etc.) that were arranged due to the configuration in which the motor generator and the drive device are connected in parallel to the engine power input shaft, Power transmission mechanism for driving vehicle bodywork equipment capable of achieving weight reduction, space saving and cost reduction, vehicle bodywork equipment control system equipped with power transmission mechanism for driving vehicle bodywork equipment, and An object of the present invention is to provide a vehicle body equipment control method.

  The power transmission mechanism for driving the vehicle bodywork equipment according to the present invention that achieves the above object is a power transmission mechanism for driving the vehicle bodywork equipment provided between the engine and a drive device that drives the bodywork equipment. The first clutch, the motor generator, and the second clutch are coaxially arranged in order from the engine side, and are configured to transmit the power of the engine to the drive device.

  Further, the vehicle bodywork facility control system of the present invention having the power transmission mechanism for driving the vehicle bodywork facility described above includes a control device that performs drive control of the bodywork facility, and the control device includes: One of the power of the engine or the power of the motor generator based on the amount of charge of the battery connected to the motor generator when the vehicle is stopped and the drive request signal of the bodywork equipment is input Alternatively, when both are selected and transmitted to the driving device to drive the bodywork equipment and the bodywork equipment is driven by the power of the engine, both the first clutch and the second clutch are used. When the bodywork equipment is driven by the power of the motor generator, the first clutch is disconnected. To, and is configured to perform control of the second clutch to contact state.

  Further, in the above-described vehicle bodywork equipment control system, the control device generates power by the motor generator using the power of the engine when the charge amount of the battery is equal to or less than a preset charge amount. Alternatively, when power is generated by the motor generator by the regenerative energy of the vehicle, control is performed so that the first clutch is engaged and the second clutch is disengaged.

  Further, the vehicle bodywork equipment control method of the present invention that achieves the above object is a vehicle bodywork equipment control method that operates a drive device that drives the bodywork equipment with the power of the engine. The first clutch, the motor generator, and the second clutch are transmitted to a driving device that drives the bodywork equipment, and the bodywork equipment is driven by engine power and the battery connected to the motor generator Based on the amount of charge, one or both of the power of the engine and the power of the motor generator is selected and transmitted to the drive device to drive the bodywork equipment, and the bodywork equipment is driven by the power of the engine. When driving, both the first clutch and the second clutch are brought into the engaged state, and the power of the motor generator is When driving more the bodywork equipment, the first clutch disconnection state is a method characterized by the second clutch to contact state.

  In the vehicle bodywork equipment control method described above, when the charge amount of the battery is equal to or less than a preset charge amount, the vehicle is generated by the motor generator with the power of the engine, or When the motor generator generates electric power using the regenerative energy of the vehicle, the first clutch is brought into an engaged state and the second clutch is brought into a disengaged state.

  According to the power transmission mechanism for driving the vehicle bodywork equipment of the present invention, the motor generator and the drive device are connected to the input shaft (PTO shaft) on the power side of the engine so as to be coaxial with the input shaft. In addition, since the first clutch is arranged between the output shaft of the engine and the motor generator, and the second clutch is arranged between the motor generator and the driving device, the engine is used as in the prior art of the inventors. It is possible to eliminate the need for power transmission components (gears, chains, etc.) that are disposed due to the configuration in which the motor generator and the drive device are connected in parallel to the output shaft. As a result, one or both of the engine power and the motor generator power can be selected to ensure the power transmission function that reliably transmits the power to the driving equipment for bodywork equipment, while removing the above power transmission components By doing so, weight reduction, space saving, and cost reduction can be achieved. Further, since the number of parts is reduced, the reliability can be improved.

  Further, according to the vehicle bodywork equipment control system and the vehicle bodywork equipment control method provided with the power transmission mechanism for driving the vehicle bodywork equipment according to the present invention, the vehicle is stopped and the bodywork equipment When a drive request signal is input, based on the charge amount of the battery connected to the motor generator, one or both of the power of the motor generator and the power of the engine is selected and transmitted to the drive device. The bodywork equipment can be reliably driven by the driving force.

  In addition, according to the vehicle bodywork equipment control system and the vehicle bodywork equipment control method provided with the power transmission mechanism for driving the vehicle bodywork equipment according to the present invention, the battery charge amount is set in advance. In the following cases, when the vehicle is generated by the motor generator with the power of the engine, or when the motor generator is generated with the regenerative energy of the vehicle, the motor generator is generated with the power of the engine or the regenerative energy of the vehicle, The battery can be reliably charged with the generated power.

1 is a configuration diagram of a vehicle including a power transmission mechanism for driving a vehicle bodywork facility according to an embodiment of the present invention. It is a block diagram of a vehicle provided with a power transmission mechanism for driving the bodywork equipment of the vehicle of the prior art of the inventor. It is the figure which expanded the structure between the PTO axis | shaft of FIG. 2, and bodywork equipment.

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a vehicle equipped with a power transmission mechanism for driving a vehicle bodywork equipment according to an embodiment of the present invention.

  In the diesel engine 10 provided in this vehicle, the crankshaft 13 is rotationally driven by thermal energy generated by the combustion of fuel in a plurality (four in this example) of cylinders 12 formed in the engine body 11. The rotational power of the crankshaft 13 is transmitted to the transmission 20 through the wet multi-plate clutch 14 connected to one end of the crankshaft 13.

  The transmission 20 is provided with a plurality of transmission gear stages (not shown), and the rotational power of the engine 10 is changed by setting the transmission gear stage according to the traveling state of the vehicle. The rotational power changed by the transmission 20 is transmitted to the differential 23 through the propeller shaft 22 and is distributed to the pair of driving wheels 24 as driving force.

  As shown in FIG. 1, the power transmission mechanism for driving the vehicle bodywork equipment is provided between the engine 10 and a hydraulic pump (drive device) 110 that drives the bodywork equipment (packer device or the like of the garbage vehicle) 115. The first clutch 117, the motor generator 111, and the second clutch 118 are coaxially arranged in order from the engine 10 side so as to transmit the power of the engine 10 to the hydraulic pump 110. It is configured. The motor generator 111 is a motor generator for driving the bodywork equipment 115, and is connected to the battery 113 via the inverter 112.

  Further, the vehicle body equipment control system of the present invention including the power transmission mechanism for driving the vehicle body equipment described above includes a control device 80 that performs drive control of the body equipment 115. When the control device 80 stops the vehicle and a drive request signal for the bodywork equipment 115 is input (a switch for driving the bodywork equipment 115 provided in the driver's seat of the vehicle by the driver). In the case of operation, etc., one or both of the motive power of the engine 10 and the motive power of the motor generator 111 is selected based on the charge amount B of the battery 113 and transmitted to the hydraulic pump 110. Drive. At the same time, when the bodywork equipment 115 is driven by the power of the engine 10, control is performed so that both the first clutch 117 and the second clutch 118 are engaged, and the power of the motor generator 111 is used. When the equipment 115 is driven, the first clutch 117 is disengaged and the second clutch 118 is engaged.

  More specifically, when the charge amount B of the battery 113 is equal to or less than the first set amount B1 set in advance by experiment or the like, the control device 80 cannot drive the bodywork equipment 115 only with the power of the motor generator 111. The engine 10 is driven and the first clutch 117 and the second clutch 118 are brought into a contact state, and the power of the engine 10 is transmitted to the transmission 20, the PTO shaft 116, the first clutch 117, the motor generator 111, the first The transmission is transmitted to the hydraulic pump 110 via the second clutch 118 to drive the bodywork equipment 115. At this time, the power of the engine 10 is transmitted to the motor generator 111, and the motor generator 111 is caused to generate electric power by the transmitted power, so that the generated electric energy can be charged in the battery 113. The control device 80 controls whether or not to generate power or to idle to generate power according to the charge amount B of the battery 113.

  On the other hand, when the charge amount B of the battery 113 exceeds the first set amount B1, the control device 80 determines that the bodywork equipment 115 can be driven only by the power of the motor generator 111, and stops the engine 10. Thus, the first clutch 117 is disengaged, the second clutch 118 is engaged, the motor generator 111 is driven by the electric power of the battery 113, and the power of the motor generator 111 is engaged. The hydraulic pump 110 is actuated by being transmitted to the hydraulic pump 110 via 118, and the bodywork equipment 115 is driven by the hydraulic pump 110.

  Whether the control device 80 generates electric power with the motor generator 111 using the power of the engine 10 when the charge amount B of the battery 113 is equal to or less than a second set amount (set charge amount) B2 set in advance. Alternatively, when the motor generator 111 generates power using the regenerative energy of the vehicle, the first clutch 117 is set to the engaged state and the second clutch 118 is set to the disconnected state.

  More specifically, the first clutch 117 is engaged, and part of the power of the engine 10 or part of the regenerative energy of the vehicle is transmitted via the transmission 20, the PTO shaft 116, and the first clutch 117 in the engaged state. The battery 113 is charged by transmitting to the motor generator 111 and generating the motor generator 111. At this time, the second clutch 118 is disengaged. As for the charge amount of the battery 113, the first set amount B1 and the second set amount B2 may be set to the same value or different values.

  As described above, the vehicle body equipment control method according to the present invention based on the vehicle body equipment control system described above operates the hydraulic pump (drive device) 110 that drives the body equipment 115 with the power of the engine 10. In this vehicle bodywork equipment control method, the power of the engine 10 is transmitted via the first clutch 117, the motor generator 111, and the second clutch 118 on the same axis. The power of the engine 10 is driven by the power of the engine 10 to drive the bodywork equipment 115, and the power of the engine 10 or the motor generator 111 is based on the charge amount B of the battery 113 connected to the motor generator 111. One or both of the motive powers are selected and transmitted to the hydraulic pump 110 to drive the bodywork equipment 115, and the engine When driving the bodywork equipment 115 with the power of 10, the first clutch 117 and the second clutch 118 are both engaged, and when the bodywork equipment 115 is driven with the power of the motor generator 111, the first The clutch 117 is disengaged and the second clutch 118 is engaged.

  Further, in the above vehicle bodywork equipment control method, when the charge amount of the battery 113 is equal to or less than the preset charge amount B2, the vehicle is generated by the motor generator 111 with the power of the engine 10, or When electric power is generated by the motor generator 111 using the regenerative energy of the vehicle, the first clutch 117 is brought into the engaged state and the second clutch 118 is brought into the disengaged state.

  According to the power transmission mechanism for driving the bodywork equipment of the vehicle according to the present invention, the motor generator 111 and the drive are arranged so that the input shaft (PTO shaft) 116 on the power side of the engine 10 is coaxial with the input shaft 116. Since the device 110 is connected, the first clutch 117 is disposed between the output shaft of the engine 10 and the motor generator 111, and the second clutch 118 is disposed between the motor generator 111 and the drive device 110. As in the prior art of the present inventors, parts for power transmission (gear, chain, etc.) arranged due to the configuration in which the motor generator 111 and the drive device 110 are connected in parallel to the output shaft of the engine 10. 3, the drive gear 114a, the idle gear 114b, and the driven gear 114c) can be eliminated. As a result, one or both of the power of the engine 10 and the power of the motor generator 111 is selected and the power transmission function for reliably transmitting the power to the driving apparatus 110 for driving the bodywork equipment is ensured, while the power transmission function described above is used. By deleting the components 114a to 114c, weight reduction, space saving, and cost reduction can be achieved. Further, since the number of parts is reduced, the reliability can be improved.

  Further, according to the vehicle bodywork equipment control system and the vehicle bodywork equipment control method provided with the power transmission mechanism for driving the vehicle bodywork equipment according to the present invention, the vehicle body stoppage and the bodywork equipment 115 are provided. When the drive request signal is input, either or both of the power of the motor generator 111 and the power of the engine 10 are selected based on the charge amount B of the battery 113 connected to the motor generator 111 to the drive device 110. By transmitting, the bodywork equipment 115 can be reliably driven by the driving force of the driving device 110.

  In addition, according to the vehicle bodywork equipment control system and the vehicle bodywork equipment control method provided with the power transmission mechanism for driving the vehicle bodywork equipment according to the present invention, the charge amount B of the battery 113 is set in advance. When the amount of charge is equal to or less than B2, the vehicle is generated by the motor generator 111 using the power of the engine 10, or when the motor generator 111 generates power using the regenerative energy of the vehicle, the power of the engine 10 or the regenerative energy of the vehicle The motor generator 111 can generate electric power, and the generated electric power can be reliably charged in the battery 113.

10 Diesel engine (engine)
11 Engine body 80 Control device 110 Hydraulic pump (drive device)
111 Motor generator 112 for driving bodywork equipment 112 Inverter 113 Battery 114 Power transmission mechanism 114a Drive gear 114b Idle gear 114c Driven gear 115 Bodywork equipment 116 PTO shaft (engine power input shaft)
117 First clutch 118 Second clutch B Battery charge amount B1 First set amount B2 Set charge amount (second set amount)

Claims (5)

In the power transmission mechanism for driving the vehicle bodywork equipment provided between the engine and the drive device for driving the bodywork equipment,
A vehicle bodywork characterized in that a first clutch, a motor generator, and a second clutch are coaxially arranged in order from the engine side, and configured to transmit the power of the engine to the drive device. Power transmission mechanism for equipment drive. With a control device that performs drive control of the bodywork equipment,
The control device
One of the power of the engine or the power of the motor generator based on the amount of charge of the battery connected to the motor generator when the vehicle is stopped and the drive request signal of the bodywork equipment is input Or select both and transmit to the drive device to drive the bodywork equipment,
When the bodywork equipment is driven by the power of the engine, control is performed so that both the first clutch and the second clutch are engaged, and the bodywork equipment is driven by the power of the motor generator. A vehicle bodywork facility control system configured to perform control to disengage the first clutch and engage the second clutch when engaged. In the case where the charge amount of the battery is equal to or less than a preset set charge amount, the control device generates the vehicle with the motor generator by the power of the engine, or the motor generator by the regenerative energy of the vehicle The vehicle bodywork equipment control system according to claim 2, wherein when the electric power is generated, the control is performed so that the first clutch is in a contact state and the second clutch is in a disengagement state. In a vehicle bodywork facility control method for operating a drive device that drives the bodywork facility with the power of an engine,
The engine power is transmitted to the driving device for driving the bodywork equipment via the first clutch, the motor generator, and the second clutch on the same axis to drive the bodywork equipment with the power of the engine, and the motor Based on the amount of charge of the battery connected to the generator, the power of the engine or the power of the motor generator is selected and transmitted to the drive device to drive the bodywork equipment,
When driving the bodywork equipment by the power of the engine, both the first clutch and the second clutch are brought into a contact state, and when driving the bodywork equipment by the power of the motor generator, A vehicle body equipment control method, wherein the first clutch is disengaged and the second clutch is engaged.   When the charge amount of the battery is less than or equal to a preset set charge amount, when the vehicle generates power with the motor generator by the power of the engine, or when the motor generator generates power with regenerative energy of the vehicle The vehicle bodywork equipment control method according to claim 4, wherein the first clutch is brought into an engaged state and the second clutch is brought into a disengaged state.

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