CN102092269A - Engine system and traffic tool comprising same - Google Patents
Engine system and traffic tool comprising same Download PDFInfo
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- CN102092269A CN102092269A CN2011100038240A CN201110003824A CN102092269A CN 102092269 A CN102092269 A CN 102092269A CN 2011100038240 A CN2011100038240 A CN 2011100038240A CN 201110003824 A CN201110003824 A CN 201110003824A CN 102092269 A CN102092269 A CN 102092269A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The invention discloses an engine system and a traffic tool comprising the same. The engine system comprises an engine and an engine transmission mechanism and is characterized by further comprising a hydraulic power system. The hydraulic power system comprises a hydraulic oil storage tank, a hydraulic energy accumulator, a reverser, a hydraulic pump/motor, a clutch and a transmission mechanism.
Description
Technical field
The present invention relates to engine art, more specifically, relate to a kind of engine system and the vehicle that comprise this engine system.
Background technology
Along with the vehicle (such as, vehicle, boats and ships etc.) expansion of energy-conserving and emission-cutting technology, produced the vehicle and pressure accumulation of energy hybrid vehicles with " Start-Stop (startup-shutdown) " function.
But " Start-Stop " function only is applied to the monoenergetic driving source vehicle, for example diesel powered bus at present.Its energy-saving and emission-reduction realize that by the cancellation engine idle promptly, when the of short duration parking of the vehicle, shutting engine down turns round, and when the vehicle need start, engine starting and direct these vehicle that promote travelled.
Combustion engine-pressure accumulation of energy hybrid vehicles energy-saving and emission-reduction are to realize by the starting-up to speed process that reclaims brake energy and use it for the vehicle.
Summary of the invention
In view of above-mentioned prior art, the vehicle that as seen, have " Start-Stop " function are when starting-up to speed, and driving engine still works in low speed high load, that is, and and the zone that engine performance is the poorest.And because frequent start-stop, the life-span and the reliability of electric starter motor and storage battery descend fast.And combustion engine-pressure accumulation of energy hybrid vehicles is when of short duration parking, and driving engine is still idle, and waste fuel also produces exhaust emission.
Given this, the vehicle that a purpose of embodiments of the present invention is a kind of engine system is provided and comprises this engine system are to address the above problem at least.
According to an aspect, embodiments of the present invention provide a kind of engine system, comprise: driving engine, engine drive mechanism with the engine crankshaft coupling, this engine system also comprises: hydraulic power system, this hydraulic power system comprises: the hydraulic oil storage tank, and configuration is used to store low-pressure hydraulic oil; Hydraulic accumulator, configuration are used to store the pressure energy that high-pressure and hydraulic is oily and utilize hydraulic oil to produce; Commutator is coupling between hydraulic oil storage tank and hydraulic accumulator and the hydraulic pump/motor, is used for making hydraulic pump/motor according to pump or motor mode work by changing the oil circuit of connecting between hydraulic oil storage tank and hydraulic accumulator and the hydraulic pump/motor; Hydraulic pump/motor, with commutator coupling, if wherein work according to the mode of pump, then via commutator with hydraulic oil from hydraulic oil storage tank pump to hydraulic accumulator, thereby produce and storage pressure energy at hydraulic accumulator; And if according to motor mode work, then the hydraulic oil in the hydraulic accumulator pressure can effect under via the commutator hydraulic pump/motor of flowing through, make hydraulic pump/motor produce kinetic energy, and hydraulic oil flows into the hydraulic oil reservoir jar afterwards; Power-transfer clutch is coupling between hydraulic pump/motor and the transmission device, and this power-transfer clutch has make position or open position, is used to be switched on or switched off being connected of hydraulic pump/motor and transmission device; And transmission device, being coupling between power-transfer clutch and the engine drive mechanism, configuration is used for when power-transfer clutch is in the close position, and kinetic energy is transmitted between hydraulic pump/motor and engine drive mechanism.
According to the embodiment of the present invention, this engine system further comprises controller, itself and commutator and Clutch Coupling, the configuration be used for controlling commutator so that hydraulic pump/motor is worked according to pump or motor mode based on vehicle state, and control clutch so that its be in the close position or open position.
According to the embodiment of the present invention, this controller configuration is used for: be in braking state or cruising state if vehicle state is the vehicle, control clutch closure then, and the control commutator is so that work hydraulic pump/motor mode according to pump under the drive of the kinetic energy of engine drive mechanism transmission, to produce in hydraulic accumulator and storage pressure energy.
According to the embodiment of the present invention, this controller further is coupled to hydraulic accumulator, and whether the pressure that configuration is used for detecting hydraulic accumulator can reach the pressure of hydraulic accumulator can capacity limit, if and pressure wherein can not reach pressure energy capacity limit, control clutch closure then, and the control commutator is so that make hydraulic pump/motor work according to the mode of pump, otherwise, control clutch disconnects, and the control commutator disconnects the oil circuit between hydraulic pump/motor and hydraulic oil storage tank and the hydraulic accumulator.
According to the embodiment of the present invention, this controller can further be coupled to the hydraulic accumulator that has by pass valve, and whether the pressure that configuration is used for detecting hydraulic accumulator can reach the pressure of hydraulic accumulator can capacity limit, if and pressure wherein can reach pressure energy capacity limit, then control by pass valve and open, so that hydraulic oil flows out from it.
According to the embodiment of the present invention, work according to the mode of pump, then generate the signal that the indication hydraulic power system is in the stored energy state if the further configuration of this controller is used for hydraulic pump/motor.
According to the embodiment of the present invention, this controller configuration is used for: be in starting state or acceleration mode if vehicle state is the vehicle, then control commutator so that make hydraulic pump/motor according to motor mode work, and the control clutch closure, so that kinetic energy is passed to engine drive mechanism.
According to the embodiment of the present invention, this controller further is coupled to hydraulic accumulator, and whether configuration is used for detecting hydraulic accumulator and exists pressure or to specify the pressure energy of size, and only exist pressure or to specify under the situation of big or small pressure energy therein, the control clutch closure, and the control commutator is so that make hydraulic pump/motor according to motor mode work, otherwise, control clutch disconnects, and the control commutator disconnects the oil circuit between hydraulic pump/motor and hydraulic oil storage tank and the hydraulic accumulator.
According to the embodiment of the present invention, be used for hydraulic pump/motor according to motor mode work, then generate the signal that the indication hydraulic power system is in the state of releasing energy if this controller further disposes.
According to the embodiment of the present invention, this controller further is coupled to hydraulic accumulator and driving engine, and configuration is used for: be in temporary transient dead ship condition if vehicle state is the vehicle, then the pressure of detection of engine state and hydraulic accumulator energy state indicates driving engine to quit work in the time of be able to restarting driving engine with the pressure at hydraulic accumulator.
According to the embodiment of the present invention, this engine system further comprises electric starting system, and this electric starting system comprises storage battery; This controller further is coupled to hydraulic accumulator and storage battery, and configuration is used for determining to be to use hydraulic power system also to be to use electric starting system to come start the engine based on the pressure energy state of hydraulic accumulator and the energy state of storage battery.
According to the embodiment of the present invention, this controller further configuration is used for: be in temporary transient dead ship condition if vehicle state is the vehicle, then the pressure of detection of engine state, hydraulic accumulator can state and/or the energy state of storage battery, and the indication driving engine quits work so that at least one can restart driving engine in hydraulic accumulator and storage battery.
According to the embodiment of the present invention, this controller further disposes and is used for indicating engine starting according to actuation signal.
According to the embodiment of the present invention, this controller further is coupled to driving engine, and configuration be used for respectively based on the excess pressure of hydraulic accumulator can and the once spent energy of engine starting, and the dump energy of storage battery and the once spent energy of engine starting determine the residue number of starts of hydraulic power system and the residue number of starts of electric starting system, and generate the signal of the described number of times of indication.
According to a further aspect in the invention, provide a kind of vehicle, it is characterized in that, comprised the engine system and the bridge instrumentation dish of above-mentioned arbitrary embodiment; This bridge instrumentation dish and engine system coupling, configuration is used for from the engine system received signal with display indicator, and wherein designator indicates hydraulic power system to be in one or more in the residue number of starts that stored energy state, hydraulic power system be in the residue number of starts of the state of releasing energy, hydraulic power system and electric starting system respectively.
According to the embodiment of the present invention, the bridge instrumentation dish touches quick, the user is in the designator that stored energy state and hydraulic power system are in the state of releasing energy by clicking the indication hydraulic power system, checks with current pressure size/current pressure in the hydraulic accumulator of numerical value or the indication of percentum form to account for the upper pressure limit ratio; The designator of the residue number of starts by clicking the indication hydraulic power system and the residue number of starts of electric starting system, be not under 0 the situation, can select to be to use hydraulic starting also to be to use electricity to start in the residue number of starts of the residue number of starts of hydraulic power system and electric starting system by clicking corresponding designator; And wherein, the bridge instrumentation dish comprises that further the permission user is by its control that pressure energy capacity limit of hydraulic accumulator is provided with.
The present invention is by being connected hydraulic power system via separately transmission device with engine crankshaft, and make kinetic energy between hydraulic power system and driving engine, to transmit, thereby make the driving engine that drives by hydraulic power can have " Start-Stop " function, realized the advantage of further reduction of discharging.In addition, the vehicle according to the present invention can also have electric starting system on the basis of the engine system with " Start-Stop " function, from but have the hybrid vehicles of double startup system.
As is known to the person skilled in the art, the fuel economy of the single action power vehicle under the operating mode of city with " Start-Stop " function can improve 5%-15%, the actual energy-saving effect of pressure accumulation of energy hybrid vehicles under the operating mode of city is at 13%-27%, therefore, the vehicle according to the present invention are estimated energy-conservation 15%-42%.
Description of drawings
Described embodiments of the present invention aspect whole, with reference now to accompanying drawing, wherein accompanying drawing is not necessarily drawn in proportion, and wherein:
Fig. 1 shows the schematic configuration diagram according to the engine system of embodiment of the present invention;
Fig. 2 shows the schematic block diagram according to the vehicle of embodiment of the present invention.
Run through accompanying drawing, omitted and well known to a person skilled in the art parts, with the present invention that avoids confusion.
The specific embodiment
Below with reference to accompanying drawing, describe embodiments of the present invention in detail by by way of example, to pass on general principle of the present invention.
At first, wherein show schematic configuration diagram according to the engine system of embodiment of the present invention with reference to figure 1.
As shown in Figure 1, engine system 100 for example can comprise hydraulic power system 101, driving engine 105, engine crankshaft 106 and engine drive mechanism (for example, engine flywheel 107).
According to the embodiment of the present invention, hydraulic power system 101 for example can comprise: hydraulic oil storage tank 1011, and configuration is used to store low-pressure hydraulic oil; Hydraulic accumulator 1012, configuration are used to store high-pressure and hydraulic oil and utilize the oily pressure energy that produces of high-pressure and hydraulic; Commutator 1013, be coupling between hydraulic oil storage tank 1011 and hydraulic accumulator 1012 and the hydraulic pump/motor 1014, configuration is used for coming modulated pressure pump/motor 1014 according to pump or motor mode work by changing the oil circuit of connecting between hydraulic oil storage tank 1011 and hydraulic accumulator 1012 and the hydraulic pump/motor 1014; Hydraulic pump/motor 1014, with commutator 1013 couplings, configuration is used for: when working according to the mode of pump, absorb moment of torsion, via commutator 1013 with hydraulic oil from hydraulic oil storage tank 1011 pumps to hydraulic accumulator 1012, thereby produce and store the pressure energy therein; When working according to motor mode, hydraulic oil in the hydraulic accumulator 1012 pressure can effect under via commutator 1013 hydraulic pump/motor 1014 of flowing through, make hydraulic pump/motor 1014 produce kinetic energy (that is, output torque), hydraulic oil flows into hydraulic oil reservoir jar 1011 afterwards; Power-transfer clutch 1015 is coupling between hydraulic pump/motor 1014 and the transmission device 1016, and it has make position or open position, is used to be switched on or switched off being connected of hydraulic pump/motor 1014 and transmission device 1016; With transmission device 1016, (for example be coupling in power-transfer clutch 1015 and the engine drive mechanism that is coupled to engine crankshaft 106, engine flywheel 107) between, configuration is used for when power-transfer clutch 1015 is in the close position, and kinetic energy is transmitted between hydraulic pump/motor 1014 and engine crankshaft 106.
Should be appreciated that engine flywheel 107 only is the example of engine drive mechanism, and can use with the transmission device 1016 of hydraulic power system 100 and any transmission device of engine crankshaft 106 couplings respectively, and do not depart from the scope of the present invention.
Particularly, hydraulic accumulator 1012 for example can be such device, its entire inner space by separating mechanism (for example, can constitute by various materials) be divided into two chambers: one of them is a gas chamber, and it is airtight fully, and be filled with gas (such as, air or nitrogen), another is a hydraulic oil chamber, and it is connected with commutator 1013 (oil-feed oil circuit or fuel-displaced oil circuit) by oil circuit, is used for storage high pressure hydraulic oil.Certainly, it may occur to persons skilled in the art that, any can store high-pressure and hydraulic oil and utilize pressure that high-pressure and hydraulic oil produces can device may be used to this purpose, and do not depart from the scope of the present invention.
Hydraulic pump/motor 1014 can be worked according to the mode of pump, also can be according to motor mode work.When hydraulic pump/motor 1014 is worked according to the mode of pump, its externally energy (for example, the kinetic energy that the electric energy that storage battery provides or engine crankshaft 106 transmits, promptly, moment of torsion, or the like) drive under (that is, absorb moment of torsion), with hydraulic oil from hydraulic oil storage tank 1011 pumps to hydraulic oil energy storage 1012, and when working according to motor mode, its gear rotates under the effect of the hydraulic fluid pressure that flows out from hydraulic oil energy storage 1012, produces kinetic energy (that is output torque) thus.It will be appreciated by those skilled in the art that any hydraulic pump/motor 1014 that can realize above-mentioned functions can both be used for the present invention, and do not depart from the scope of the present invention.
According to the embodiment of the present invention, engine system 100 may further include controller 102, itself and commutator 1013 and power-transfer clutch 1015 couplings (for example via signal wire (SW)), configuration is used for controlling commutator 1013 so that hydraulic pump/motor 1014 is worked according to pump or motor mode based on vehicle state (include but not limited to hereinafter describe in detail braking state or cruising state, starting state or acceleration mode etc.), and control clutch 1015 so that its be in the close position or open position.
Hydraulic power system is in the stored energy state
The vehicle are in braking state or cruising state
In this case, controller 102 can dispose and be used for control clutch 1015 closures so that engine crankshaft 106 (is for example transmitted, via the coupling between engine flywheel 107 and the transmission device 1016) kinetic energy (promptly, moment of torsion) as the startup energy of hydraulic pump/motor 1014, and the unidirectional oil-feed oil circuit between control commutator 1013 connection hydraulic oil storage tanks 1011 and hydraulic accumulator 1012 and the hydraulic pump/motor 1014, thereby hydraulic pump/motor 1014 is worked according to the mode of pump: absorb moment of torsion, the oil-feed oil circuit of being connected by commutator 1013 pumps into hydraulic oil the hydraulic oil chamber of hydraulic accumulator 1012 from hydraulic oil storage tank 1011, make the gas in its gas chamber be compressed, thereby produce the pressure energy.At this moment, if next the vehicle state indication vehicle do not need pressure to start or power-assisted, then commutator 1013 can cut out the oil-feed oil circuit between hydraulic oil storage tank 1011 and hydraulic accumulator 1012 and the hydraulic pump/motor 1014 and disconnect fuel-displaced oil circuit, make the hydraulic oil sealing in the hydraulic oil chamber of hydraulic accumulator 1012, pressure just can be stored in the hydraulic accumulator 1012 thus.Certainly, if next the vehicle state indication vehicle need pressure to start or power-assisted, then commutator 1013 can select to connect the fuel-displaced oil circuit between hydraulic oil storage tank 1011 and hydraulic accumulator 1012 and the hydraulic pump/motor 1014, thereby hydraulic pump/motor 1014 enters the state of releasing energy (following detailed description).
According to an embodiment of the invention, controller 102 can further be coupled to hydraulic accumulator 1012 (for example via signal wire (SW)), and the pressure that configuration is used for detecting hydraulic accumulator 1012 can whether reach the pressure of hydraulic accumulator 1012 can capacity limit (for example, check whether the hydraulic oil in the hydraulic accumulator 1012 has reached the settable volume of its hydraulic oil chamber), and only pressure therein can not reach under the situation of pressure energy capacity limit, control clutch 1015 closures are also controlled commutator 1013 so that hydraulic pump/motor 1014 is worked according to the mode of pump, otherwise, control clutch 1015 disconnects, and the oil circuit between control commutator 1013 disconnection hydraulic pump/motors 1014 and hydraulic oil storage tank 1011 and the hydraulic accumulator 1012.
The another embodiment according to the present invention, controller 102 can further be coupled to the hydraulic accumulator 1012 that has by pass valve (not shown in the accompanying drawing), and the pressure that configuration is used for detecting hydraulic accumulator 1012 can whether reach the pressure of hydraulic accumulator 1012 can capacity limit (for example, check whether the hydraulic oil in the hydraulic accumulator 1012 has reached the settable volume of its hydraulic oil chamber), if and pressure wherein can reach pressure can capacity limit, then can control the by pass valve that hydraulic oil is flowed out and open.That is to say, in this case, still can control clutch 1015 closed and control commutator 1013 so that hydraulic pump/motor 1014 is worked according to the mode of pump, but high-pressure and hydraulic oil can flow out by by pass valve, and can not bring any risk for hydraulic pressure energy storage 1012 because of excessively flowing into hydraulic accumulator 1012.This for example carries out glancing impact to substitute existing brake facing by friction hydraulic power system 101 being used for brake operation, is unusual actv., and can bring and reduce brake facing worn-down advantage.
It will be appreciated by those skilled in the art that, above-mentioned pressure energy capacity limit can be hydraulic oil chamber volume itself restriction by hydraulic accumulator 1012, perhaps also can be to set certain value for the security consideration of hydraulic accumulator 1012 by the user, it can set in advance, and also can dynamically change.
According to an embodiment of the invention, controller 102 can further dispose and be used for when hydraulic pump/motor 1014 is worked according to the mode of pump, generates the signal that indication hydraulic power system 101 is in the stored energy state.
Alternatively, this signal may further include with current pressure size/current pressure in numerical value or the percentum form indication hydraulic accumulator 1012 and accounts for upper pressure limit ratiometric information.
Hydraulic power system is in the state of releasing energy
The vehicle are in starting state or acceleration mode
In this case, controller 102 can dispose and be used to control the unidirectional fuel-displaced oil circuit that commutator 1013 is connected between hydraulic oil storage tank 1011 and hydraulic accumulator 1012 and the hydraulic pump/motor 1014, leave hydraulic oil chamber under the effect of the gaseous tension energy of hydraulic oil in the gas chamber of hydraulic accumulator 1012, flow into hydraulic pump/motor 1014 by way of fuel-displaced oil circuit, promote the gear rotation in the hydraulic pump/motor 1014, thereby make hydraulic pump/motor 1014 under the effect of hydraulic oil (as starting energy) according to motor mode work to produce kinetic energy (promptly, output torque), and control clutch 1015 closures pass to engine crankshaft 106 (for example, via the coupling between engine flywheel 107 and the transmission device 1016) with startup or acceleration energy as driving engine 105 with the kinetic energy that will produce.
According to an embodiment of the invention, controller 102 can further be coupled to hydraulic accumulator 1012 (for example via signal wire (SW)), and whether configuration is used for detecting hydraulic accumulator 1012 and exists pressure or to specify the pressure energy of size, and only exist pressure or to specify under the situation of big or small pressure energy therein, control clutch 1015 closures, and control commutator 1013 is so that make hydraulic pump/motor 1014 according to motor mode work, otherwise, control clutch 1015 disconnects, and the oil circuit between control commutator 1013 disconnection hydraulic pump/motors 1014 and hydraulic oil storage tank 1011 and the hydraulic accumulator 1012.
It will be understood by those skilled in the art that pressure can big or small appointment can be to set certain value by the user for the security consideration of hydraulic accumulator 1012, it can set in advance, and also can dynamically change.
According to an embodiment of the invention, controller 102 can further dispose and be used for when hydraulic pump/motor 1014 is worked according to motor mode, generates the signal that indication hydraulic power system 101 is in the state of releasing energy.
Alternatively, this signal may further include with current pressure size/current pressure in numerical value or the percentum form indication hydraulic accumulator 1012 and accounts for upper pressure limit ratiometric information.
According to an embodiment of the invention, controller 102 can further be coupled to hydraulic accumulator 1012 and driving engine 105 (for example via signal wire (SW)), and configuration is used for: be in temporary transient dead ship condition if vehicle state is the vehicle, then the detection of engine state (for example, whether whether driving engine is in the temperature of idling, engine cooling water too high (for example, above 93 ℃) or the like, these are only as example) and the pressure of hydraulic accumulator can state, the indication driving engine quits work in the time of be able to restarting driving engine with the pressure at hydraulic accumulator.
According to an embodiment of the invention, controller 102 further configuration is used for: indicate engine starting according to actuation signal, wherein actuation signal is such as from following operation: engage a gear, step on the accelerator or stubborn key etc.
According to an embodiment of the invention, engine system 100 for example may further include electric starting system 103, and this electric starting system 103 comprises storage battery 1031, electric starter motor 1032 and transmission gear 1033.
According to an embodiment of the invention, controller 102 further is coupled to storage battery 1031 (for example via signal wire (SW)), and configuration be used for based on the pressure of hydraulic accumulator 1012 can state and the energy state of storage battery 1031 determine to be to use hydraulic power system 101 also to be to use electric starting system 103 to start (for example respectively via the coupling between transmission device 1016 and the engine flywheel 107, and the coupling between transmission gear 1033 and the engine crankshaft 106) driving engine 105.
For example, can state can support engine starting and the energy state of storage battery 1031 engine starting can not be supported the time at the pressure of hydraulic accumulator 1012, select for use hydraulic power system 101 to come start the engine, otherwise, use electric starting system 103 to come start the engine.
And can state and the energy state of storage battery 1031 can both support engine starting the time at the pressure of hydraulic accumulator 1012, preferentially select for use hydraulic power system 101 to come start the engine, certainly, it also is feasible using electric starting system 103 to come start the engine.
According to an embodiment of the invention, controller 102 further configuration is used for: (for example be in temporary transient dead ship condition if vehicle state is the vehicle, via speed of a motor vehicle sense mechanism, engine condition sense mechanism etc., these are well known to a person skilled in the art, repeat no more), then (for example: whether driving engine is in idling mode to the state of detection of engine 105, whether the temperature of engine cooling water is too high (for example, above 93 ℃) or the like, these are only as example), the pressure of hydraulic accumulator 1012 can state and/or the energy state of storage battery 1031, and indication driving engine 105 quits work so that only at least one can restart driving engine 105 in hydraulic accumulator 1012 and storage battery 1031.
According to an embodiment of the invention, controller 102 further configuration is used for: indicate engine starting according to actuation signal, wherein actuation signal is such as from following operation: engage a gear, step on the accelerator or stubborn key etc.
According to an embodiment of the invention, controller 102 further is coupled to driving engine 105 (for example via signal wire (SW)), and configuration be used for respectively based on the excess pressure of hydraulic accumulator 1012 can and energy needed (moment of torsion required of driving engine 105 startups according to start the engine, rotating speed and run up time calculate or measure according to engine rig test) and the dump energy of storage battery 1031 and driving engine 105 start an energy needed and determine the residue number of starts of hydraulic power system 101 and the residue number of starts of electric starting system 103, and generate the signal of indicating described number of times.
Next, Fig. 2 shows the schematic block diagram according to the vehicle of embodiment of the present invention.
As shown in Figure 2, these vehicle 200 for example can comprise as shown in Figure 1 engine system 100 and bridge instrumentation dish 201.
This bridge instrumentation dish 201 and engine system 100 couplings (for example via signal wire (SW)), configuration is used for representing with the 2011-2014 of display indicator from engine system 100 received signals, and wherein designator 2011-2014 indicates hydraulic power system to be in one or more in the residue number of starts that stored energy state, hydraulic power system be in the residue number of starts of the state of releasing energy, hydraulic power system and electric starting system respectively.
It will be understood by those skilled in the art that designator 2011-2014 only is an example, and be not used in the restriction embodiments of the present invention; On bridge instrumentation dish 201, can for example use different figures, literal or color to wait and distinguish these designators 2011-2014, so that being provided, better user experiences.
According to the embodiment of the present invention, for example, bridge instrumentation dish 201 can touch quick, thereby by further clicking designator 2011-2014, can further show details or provide further mutual.For example, the user further clicks designator 2011 and designator 2012, can show with current pressure size/current pressure in numerical value or the percentum form indication hydraulic accumulator 1012 to account for the upper pressure limit ratio; And click designator 2013 or 2014, can not be under 0 the situation in the residue number of starts of the residue number of starts of hydraulic power system and electric starting system, make the user select to be to use hydraulic starting also to be to use electricity to start (this selection transfers to controller 102 as instruction), make a choice for the user to substitute by controller 102 by clicking corresponding designator.
In addition, touching quick bridge instrumentation dish 201 can also provide such as allowing the user capacity limit to be provided with (wherein by its pressure to hydraulic accumulator, the value that is provided with sends back controller, makes for controller to be used for power-transfer clutch and commutator are controlled) control, or the like.
It should be noted that, the meaning of term " connection ", " coupling " or its any variant is any connection or coupling direct or indirect between two or more elements, and can contain the situation that has one or more intermediary element between " connection " or " coupling " two elements together.Coupling between the element or connection can be physics, logic or its combination.As used herein, by using one or more leads, cable and/or printed wire to connect, and by use electromagnetic energy (such as, have electromagnetic energy as the wavelength in frequency of radio non-limiting but not exhaustive examples the zone, in the microwave region and light (the visible and invisible the two) zone), two elements can be considered as " connection " or " coupling " together.
Benefit from the instruction that presents in aforementioned description and the associated drawings, embodiment of the present invention those skilled in the art can expect other embodiments of the present invention and a lot of the improvement.Therefore, should be appreciated that embodiments of the present invention are not limited to disclosed specific implementations, and modification is intended to be included in the scope of claims with other embodiments.And, although above description and association service have been described illustrative embodiments in the context of some example combinations of element and/or function, but be to be understood that, under the prerequisite that does not break away from the claims scope, alternate embodiment can provide the various combination of element and/or function.With regard to this point, for example, can expect the element of above explicit description and/or the various combination of function, and be documented in some of claims.Although used particular term, only aspect universal description, use these terms, rather than be used for restriction at this.
Claims (16)
1. an engine system (100) comprising:
Driving engine (105),
With the engine drive mechanism (107) of engine crankshaft (106) coupling,
It is characterized in that this engine system (100) also comprises:
Hydraulic power system (101), this hydraulic power system (101) comprising:
Hydraulic oil storage tank (1011), configuration is used to store low-pressure hydraulic oil;
Hydraulic accumulator (1012), configuration are used to store the pressure energy that high-pressure and hydraulic is oily and utilize hydraulic oil to produce;
Commutator (1013), be coupling between hydraulic oil storage tank (1011) and hydraulic accumulator (1012) and the hydraulic pump/motor (1014), be used for making hydraulic pump/motor (1014) according to pump or motor mode work by changing the oil circuit of connecting between hydraulic oil storage tank (1011) and hydraulic accumulator (1012) and the hydraulic pump/motor (1014);
Hydraulic pump/motor (1014), be coupled with commutator (1013), if wherein work according to the mode of pump, then via commutator (1013) with hydraulic oil from hydraulic oil storage tank (1011) pump to hydraulic accumulator (1012), thereby produce and storage pressure energy at hydraulic accumulator (1012); And if according to motor mode work, then the hydraulic oil in the hydraulic accumulator (1012) pressure can effect under via commutator (1013) hydraulic pump/motor (1014) of flowing through, make hydraulic pump/motor (1014) produce kinetic energy, and hydraulic oil flow into hydraulic oil reservoir jar (1011) afterwards;
Power-transfer clutch (1015) is coupling between hydraulic pump/motor (1014) and the transmission device (1016), and this power-transfer clutch (1015) has make position or open position, is used to be switched on or switched off being connected of hydraulic pump/motor (1014) and transmission device (1016); With
Transmission device (1016) is coupling between power-transfer clutch (1015) and the engine drive mechanism (107), and configuration is used for when power-transfer clutch (1015) when being in the close position kinetic energy being transmitted between hydraulic pump/motor (1014) and engine drive mechanism (107).
2. engine system as claimed in claim 1 (100), it is characterized in that, further comprise controller (102), itself and commutator (1013) and power-transfer clutch (1015) coupling, the configuration be used for controlling commutator (1013) so that hydraulic pump/motor (1014) is worked according to pump or motor mode based on vehicle state, and control clutch (1015) so that its be in the close position or open position.
3. engine system as claimed in claim 2 (100), it is characterized in that, this controller (102) configuration is used for: be in braking state or cruising state if vehicle state is the vehicle, control clutch (1015) closure then, and control commutator (1013) is so that work hydraulic pump/motor (1014), to produce in hydraulic accumulator (1012) and storage pressure energy according to the mode of pump under the drive of the kinetic energy that engine drive mechanism (107) transmits.
4. engine system as claimed in claim 3 (100), it is characterized in that, this controller (102) further is coupled to hydraulic accumulator (1012), and whether the pressure that configuration is used for detecting hydraulic accumulator (1012) can reach the pressure of hydraulic accumulator (1012) can capacity limit, if and pressure wherein can not reach pressure energy capacity limit, control clutch (1015) closure then, and control commutator (1013) is so that make hydraulic pump/motor (1014) work according to the mode of pump, otherwise, control clutch (1015) disconnects, and control commutator (1013) disconnects the oil circuit between hydraulic pump/motor (1014) and hydraulic oil storage tank (1011) and the hydraulic accumulator (1012).
5. engine system as claimed in claim 3 (100), it is characterized in that, this controller (102) can further be coupled to the hydraulic accumulator (1012) that has by pass valve, and whether the pressure that configuration is used for detecting hydraulic accumulator (1012) can reach the pressure of hydraulic accumulator (1012) can capacity limit, if and pressure wherein can reach pressure energy capacity limit, then control by pass valve and open, so that hydraulic oil flows out from it.
6. engine system as claimed in claim 3 (100), it is characterized in that, this controller (102) then generates the signal that indication hydraulic power system (101) is in the stored energy state if further configuration is used for hydraulic pump/motor (1014) works according to the mode of pump.
7. engine system as claimed in claim 2 (100), it is characterized in that, this controller (102) configuration is used for: be in starting state or acceleration mode if vehicle state is the vehicle, then control commutator (1013) so that make hydraulic pump/motor (1014) according to motor mode work, and control clutch (1015) closure, kinetic energy is passed to engine drive mechanism (107).
8. engine system as claimed in claim 7 (100), it is characterized in that, this controller (102) further is coupled to hydraulic accumulator (1012), and whether configuration is used for detecting hydraulic accumulator (1012) and exists pressure or to specify the pressure energy of size, and only exist pressure or to specify under the situation of big or small pressure energy therein, control clutch (1015) closure, and control commutator (1013) is so that make hydraulic pump/motor (1014) according to motor mode work, otherwise, control clutch (1015) disconnects, and control commutator (1013) disconnects the oil circuit between hydraulic pump/motor (1014) and hydraulic oil storage tank (1011) and the hydraulic accumulator (1012).
9. engine system as claimed in claim 7 (100), it is characterized in that, this controller (102) then generates the signal that indication hydraulic power system (101) is in the state of releasing energy if further configuration is used for hydraulic pump/motor (1014) according to motor mode work.
10. engine system as claimed in claim 2 (100), it is characterized in that, this controller (102) further is coupled to hydraulic accumulator (1012) and driving engine (105), and configuration is used for: be in temporary transient dead ship condition if vehicle state is the vehicle, then the pressure of detection of engine state and hydraulic accumulator energy state indicates driving engine (105) to quit work in the time of can restarting driving engine (105) with the pressure at hydraulic accumulator (1012).
11. engine system as claimed in claim 2 (100) is characterized in that, further comprises electric starting system (103), this electric starting system (103) comprises storage battery (1031);
This controller (102) further is coupled to hydraulic accumulator (1012) and storage battery (1031), and configuration is used for determining to be to use hydraulic power system (101) also to be to use electric starting system (103) to come start the engine (105) based on the pressure energy state of hydraulic accumulator (1012) and the energy state of storage battery (1031).
12. engine system (100) as claim 11, it is characterized in that, this controller (102) further configuration is used for: be in temporary transient dead ship condition if vehicle state is the vehicle, then the pressure of detection of engine state, hydraulic accumulator (1012) can state and/or the energy state of storage battery (1031), indicates driving engine (105) to quit work so that at least one can restart driving engine (105) in hydraulic accumulator (1012) and storage battery (1031).
13. the engine system (100) as claim 12 is characterized in that, this controller (102) further configuration is used for indicating driving engine (105) to start according to actuation signal.
14. engine system (100) as claim 11, it is characterized in that, this controller (102) further is coupled to driving engine (105), and configuration be used for respectively based on the excess pressure of hydraulic accumulator (1012) can and the once spent energy of driving engine (105) startup, and the dump energy of storage battery (1031) and driving engine (105) start once spent energy and determine the residue number of starts of hydraulic power system (101) and the residue number of starts of electric starting system (103), and generate the signal of indicating described number of times.
15. vehicle (200) is characterized in that, comprise as engine system arbitrary among the claim 1-14 (100) and bridge instrumentation dish (201);
This bridge instrumentation dish (201) and engine system (100) coupling, configuration is used for from engine system (100) received signal with display indicator (2011-2014), and wherein designator (2011-2014) indicates hydraulic power system (101) to be in one or more in the residue number of starts that stored energy state, hydraulic power system (101) be in the residue number of starts of the state of releasing energy, hydraulic power system (101) and electric starting system (103) respectively.
16. the vehicle (200) as claim 15, wherein bridge instrumentation dish (201) touches quick, the user is in the designator that stored energy state (2011) and hydraulic power system are in the state of releasing energy (2012) by clicking the indication hydraulic power system, checks that current pressure size/current pressure accounts for the upper pressure limit ratio in the hydraulic accumulator of indicating with numerical value or percentum form;
The designator of the residue number of starts (2013) by clicking the indication hydraulic power system and the residue number of starts (2014) of electric starting system, in the residue number of starts of hydraulic power system and the residue number of starts (2013 of electric starting system, 2014) be not under 0 the situation, can select to be to use hydraulic starting also to be to use electricity to start by clicking corresponding designator; And
Wherein, bridge instrumentation dish (201) comprises that further the permission user is by its control that pressure energy capacity limit of hydraulic accumulator (1012) is provided with.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110003824.0A CN102092269B (en) | 2011-01-04 | 2011-01-04 | Engine system and traffic tool comprising same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110003824.0A CN102092269B (en) | 2011-01-04 | 2011-01-04 | Engine system and traffic tool comprising same |
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| CN102092269A true CN102092269A (en) | 2011-06-15 |
| CN102092269B CN102092269B (en) | 2014-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110003824.0A Active CN102092269B (en) | 2011-01-04 | 2011-01-04 | Engine system and traffic tool comprising same |
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| CN103603723A (en) * | 2013-12-06 | 2014-02-26 | 曹安柏 | Speed-reduction connector for hydraulic pump and high-speed diesel engine |
| CN104908569A (en) * | 2015-06-26 | 2015-09-16 | 潍柴动力股份有限公司 | Vehicle and hybrid power system |
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| CN102092269B (en) | 2014-07-30 |
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