CN205350303U - Hybrid vehicle coupling mechanism cooling and lubrication system - Google Patents
Hybrid vehicle coupling mechanism cooling and lubrication system Download PDFInfo
- Publication number
- CN205350303U CN205350303U CN201620021925.9U CN201620021925U CN205350303U CN 205350303 U CN205350303 U CN 205350303U CN 201620021925 U CN201620021925 U CN 201620021925U CN 205350303 U CN205350303 U CN 205350303U
- Authority
- CN
- China
- Prior art keywords
- cooling
- pipeline
- oil
- coupling mechanism
- mechanical pump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model relates to an automotive filed discloses a hybrid vehicle coupling mechanism cooling and lubrication system, and this system is including locating the inside inside cooling and lubrication system of coupling mechanism, inside cooling and lubrication system includes: first mechanical pump, second mechanical pump, first coolant oil passageway and second coolant oil passageway, first mechanical pump is along with the engine operates, the second mechanical pump is along with driving motor operates, first coolant oil passageway is connected with first mechanical pump for carry out cooling and lubrication to generator and clutch, second coolant oil passageway is connected with the second mechanical pump for carry out cooling and lubrication to driving motor. The utility model discloses cooling and lubrication is integrative for the collection, and its integrated level is high, can reduce systematic bulk and the weight that subtracts the light system parts, and this system adopts two mechanical pumps as coolant oil lubrication and cooling's power supply, and two mechanical pumps do not need single control, have practiced thrift development cost and have reduced the control degree of difficulty.
Description
Technical field
This utility model relates to automotive field, particularly relates to a kind of hybrid vehicle coupling mechanism cooling and lubricating system.
Background technology
Along with the raising of the shortage of petroleum resources and people's environmental consciousness, and the requirement of increasingly stricter legislations of environmental protection, in the urgent need to the environmental protection automobile product of the energy and low emission or even zero-emission can be saved.For this, various types of new-energy automobile is developed going into overdrive in countries in the world government and each big automobile making commercial city.Compared with traditional combustion engine, hybrid vehicle refers to the vehicle using two or more energy sources.
Cooling and lubricating system as one of aid system, is one of the major technique of whole system, is also the key of whole system stable operation simultaneously.The ripe hybrid electric vehicle thrown in from existing market, the double-motor parallel-serial drive system that the Prius of Toyota Company of Japan adopts, this system to consider power transmission performance index, what also to realize structurally and functionally is integrated, accomplish miniaturization, lightweight, intellectuality and modularity, this system casing internal employing oil lubrication related components and housing arrange cooling jacket and carries out whole system cooling by cooling water circulation.What the BYD F3DM of China adopted is also dual-motor drive system, and this system configuration is relatively simple compared with Prius system, adopts the method for similar Prius lubrication whole system is lubricated and cools down simultaneously.The housing of this lubricating and cooling system needs increasingly complex technique and manufacture requirements, causes that production efficiency reduces, and increases cost, too increases the size of whole system, accordingly, it would be desirable to improve further simultaneously.
The cooling and lubricating system having at present adopts electrodynamic pump as power source, from the oil-out oil suction of oil sump and by oil pipe, the enclosure interior of cooling oil input power coupling mechanism is carried out cooling and lubricating.Adopting electrodynamic pump as power source, it is relatively costly, and it is bigger to control difficulty.
Utility model content
The technical problems to be solved in the utility model is how to reduce the cost of existing hybrid vehicle coupling mechanism cooling and lubricating system and control difficulty.
In order to solve above-mentioned technical problem, this utility model provides a kind of hybrid vehicle coupling mechanism cooling and lubricating system, described coupling mechanism includes electromotor, drive motor and coupling mechanism controller, described electromotor is coaxially connected with the power shaft of electromotor, it is provided with clutch between described electromotor and electromotor, the output shaft of described drive motor is connected with described clutch by actuating device, and described coupling mechanism is connected with described clutch, electromotor and drive motor；Described cooling and lubricating system includes the internal cooling lubricating system being located within described coupling mechanism；
Described internal cooling lubricating system includes:
First mechanical pump, described first mechanical pump is connected with the power shaft of electromotor, and along with electromotor operates；
Second mechanical pump, described second mechanical pump is connected with the output shaft of drive motor, and along with drive motor operates；
First cooling oil passage, it is connected with described first mechanical pump, for cooling oil being delivered to electromotor and clutch and electromotor and clutch being carried out cooling and lubricating；
Second cooling oil passage, it is connected with described second mechanical pump, for cooling oil being delivered to drive motor and drive motor being carried out cooling and lubricating.
Preferably, described internal cooling lubricating system also includes hydraulic module, described first cooling oil passage and the second cooling oil passage are integrated in described hydraulic module, and described hydraulic module controls the size of the oily trend of cooling and flow according to the temperature that the mode of operation of coupling mechanism and coupling mechanism are internal.
Preferably, described internal cooling lubricating system also includes being located at the oil supply mechanism bottom described coupling mechanism, described oil supply mechanism includes oil sump and nutsch filter, and the oil-out place of described oil sump is located at by described nutsch filter, and described nutsch filter is connected with described first mechanical pump, the second mechanical pump.
Preferably, described cooling and lubricating system also includes the external refrigeration system being located at outside described coupling mechanism, and described external refrigeration system is for cooling oil and the cooling oil after cooling is delivered to described first cooling oil passage and the second cooling oil passage.
Preferably, described external refrigeration system includes oil cooler and the first switch；Described oil cooler is connected with described first mechanical pump, the second mechanical pump by the first pipeline, and described oil cooler is connected with described first cooling oil passage, the second cooling oil passage by the second pipeline；
Described first switch is located on described first pipeline and the second pipeline, is used for detecting the temperature of cooling oil, and realizes the break-make control of the first pipeline and the second pipeline according to the temperature cooling down oil.
Preferably, described internal cooling lubricating system also includes the 3rd pipeline, the 4th pipeline and the 5th pipeline；
Connecting with described 3rd pipeline, the first pipeline after described 4th pipeline and the 5th pipeline parallel connection, the other end of described 3rd pipeline is oil-in, and the other end of described first pipeline is connected with described oil cooler；
Described first mechanical pump is connected with described 4th pipeline, and described second mechanical pump is connected with described 5th pipeline.
Preferably, described internal cooling lubricating system also includes the 6th pipeline, one end of described 6th pipeline is connected with the oil-out of described 4th pipeline, the 5th pipeline, and the other end of described 6th pipeline is connected with described clutch, and the motion for the piston for described clutch provides oil pressure；
Described 6th pipeline is provided with second switch, and described second switch is for controlling break-make and the trend of the 6th pipeline.
Preferably, described first pipeline is provided with the 3rd switch, and described 3rd switch is for controlling the size of the oil pressure of the first pipeline；Described 3rd switch is connected to the oil return pipe of unnecessary cold oil return.
Preferably, described first mechanical pump is connected with the power shaft of described electromotor by the first gear pair.
Preferably, described second mechanical pump is connected with the output shaft of described drive motor by the second gear pair.
Preferably, described coupling mechanism also includes differential mechanism, the output shaft of described drive motor is connected with described differential mechanism by described actuating device, described actuating device includes jackshaft, the 3rd gear pair and the 4th gear pair, the output shaft of described drive motor is connected with described jackshaft by the 3rd gear pair, and described jackshaft is connected with described differential mechanism by the 4th gear pair；
Described second mechanical pump is connected with described jackshaft by the second gear pair.
A kind of cooling and lubricating system collection coupling mechanism provided by the utility model, collection cooling and lubrication one, its integrated level is high, the bulk of system can be reduced and alleviate the weight of system unit, and this system adopts mechanical pump as the power source of cooling oil lubrication cooling, two mechanical pumps need not individually control, first mechanical pump is driven by electromotor, the running speed of the first mechanical pump regulates according to the running speed of electromotor, second mechanical pump is driven by drive motor, the running speed of the second mechanical pump regulates according to the running speed of drive motor, thus can avoid using electric oil pump to be used as power source, save development cost and reduced control difficulty.
Accompanying drawing explanation
Fig. 1 is the hydraulic scheme of this utility model embodiment one hybrid vehicle coupling mechanism cooling and lubricating system；
Fig. 2 is the structural representation of the coupling mechanism of this utility model embodiment one；
Fig. 3 is the hydraulic scheme of this utility model embodiment two hybrid vehicle coupling mechanism cooling and lubricating system；
Fig. 4 is the workflow diagram of the control method of this utility model hybrid power coupling mechanism cooling and lubricating system.
Wherein: 1, electromotor；2, the power shaft of electromotor；3, the first mechanical pump driving gear；4, the first mechanical pump driven gear；5, the power shaft of the first mechanical pump；6, the first mechanical pump；7, clutch；8, the first gear；9, electromotor；10, the second gear；11, jackshaft；12, the 3rd gear；13, drive motor；14, the output shaft of drive motor；15, the second mechanical pump driving gear；16, the second mechanical pump driven gear；17, the power shaft of the second mechanical pump；18, the second mechanical pump；19, the 4th gear；20, the 5th gear；21, differential mechanism；22, the first jack shaft；23, the second jack shaft；24, oil sump；25, nutsch filter；26, the 3rd pipeline；27, the 4th pipeline；28, the 5th pipeline；29, the 6th pipeline；30, oil cooler；31, the first pipeline；32, the second pipeline；33, the first switch；34, second switch；35, the 3rd switch；36, the oil pocket of clutch；37, oil return pipe；38, hydraulic module；39, the first branch road of the first cooling oil passage；40, the second branch road of the first cooling oil passage；41, the second cooling oil passage；42, electromotor spray bar；43, clutch spray bar；44, drive motor spray bar.
Detailed description of the invention
Below in conjunction with drawings and Examples, detailed description of the invention of the present utility model is described in further detail.Following example are used for illustrating this utility model, but are not limited to scope of the present utility model.
First embodiment of hybrid vehicle coupling mechanism cooling and lubricating system
As depicted in figs. 1 and 2, a kind of hybrid vehicle coupling mechanism cooling and lubricating system that this utility model embodiment provides, wherein, coupling mechanism includes electromotor 9, drive motor 13, differential mechanism 21 and coupling mechanism controller, electromotor 9 is coaxially connected with the power shaft 2 of electromotor, clutch 7 it is provided with between electromotor 1 and electromotor 9, drive motor 13 is connected with clutch 7 and differential mechanism 21 by actuating device, clutch 7 can realize the joint of drive motor 13 and electromotor 1 or separate, electromotor 9, drive motor 13, differential mechanism 21 and clutch 7 are connected with coupling mechanism controller, and it is subject to the control of coupling mechanism controller；When engaging clutch 7, drive motor 13, electromotor 1 and electromotor 9 work simultaneously, and coupling mechanism is in hybrid mode；When separating clutch 7, electromotor 1 and electromotor 9 do not work, and only drive motor 13 works, and coupling mechanism is in electric-only mode or increases journey pattern.
Actuating device includes the first gear 8, second gear 10, 3rd gear 12, 4th gear 19, 5th gear 20 and jackshaft 11, wherein, first gear 8 is located on the output shaft of electromotor 1, first gear 8 is meshed with the second gear 10, 3rd gear 12 is located on the output shaft 14 of drive motor, 3rd gear 12 is meshed with the second gear 10, second gear 10 and the 4th gear 19 are respectively arranged on the two ends of jackshaft 11, 4th gear 19 is meshed with the 5th gear 20, 5th gear 20 is connected with differential mechanism 21, differential mechanism 21 is connected with the first jack shaft 22, 5th gear 20 is located on the second jack shaft 23, wherein, second gear 10 and the 3rd gear 12 are set to the 3rd gear pair, 4th gear 19 and the 5th gear 20 are set to the 4th gear pair.
Cooling and lubricating system includes the internal cooling lubricating system being located within coupling mechanism；This internal cooling lubricating system includes first mechanical pump the 6, second mechanical pump 18, first and cools down oil passage and the second cooling oil passage 41.Wherein, the first mechanical pump 6 is connected with the power shaft 2 of electromotor, and along with electromotor 1 operates；Second mechanical pump 18 is connected with the output shaft 14 of drive motor, and along with drive motor 13 operates；First cooling oil passage and the first mechanical pump 6 connect, this the first cooling oil passage includes the first branch road and the second branch road, wherein, first branch road 39 of the first cooling oil passage is for being delivered to electromotor 9 so that electromotor 9 to be lubricated by cooling oil, second branch road 40 of the first cooling oil passage for being delivered to clutch 7 and clutch 7 being carried out cooling and lubricating by cooling oil, and generator unit stator, dynamo bearing, clutch friction plate and the parts such as clutch bearing and interconnective drive mechanism are mainly carried out cooling and lubricating by the second cooling oil passage 41；Second cooling oil passage 41 is connected with the second mechanical pump 18, for cooling oil being delivered to drive motor 13 and drive motor 13 being carried out cooling and lubricating, mainly the parts such as drive motor stator, drive motor gear pair and drive motor output shaft bearing are carried out cooling and lubricating.Wherein, first cooling oil passage and second cooling oil passage 41 the cooling and lubricating mode of electromotor, clutch and drive motor can be adopted oil spout, base oil or get rid of oil mode carry out.
The cooling and lubricating system of the present embodiment integrates cooling and the lubrication of coupling mechanism, its integrated level is high, the bulk of system can be reduced and alleviate the weight of system unit, and this system adopts mechanical pump as the power source of cooling oil lubrication cooling, two mechanical pumps need not individually control, first mechanical pump 6 is driven by electromotor 1, the running speed of the first mechanical pump 6 regulates according to the running speed of electromotor 1, second mechanical pump 18 is driven by drive motor 13, the running speed of the second mechanical pump 18 regulates according to the running speed of drive motor 13, thus can avoid using electric oil pump to be used as power source, save development cost, reduce development difficulty.
In the present embodiment, the first mechanical pump 6 is connected with the power shaft 2 of electromotor by the first gear pair, and the second mechanical pump 18 is connected with the output shaft 14 of drive motor by the second gear pair.Wherein, first gear pair includes intermeshing first mechanical pump driving gear 3 and the first mechanical pump driven gear 4, first mechanical pump driving gear 3 is located on the power shaft 2 of electromotor, first mechanical pump driven gear 4 is located on the power shaft 5 of the first mechanical pump, thus by the first gear pair, the driving force of electromotor 1 can be delivered to the first mechanical pump 6 to drive the first mechanical pump 6 to operate；Second gear pair includes intermeshing second mechanical pump driving gear 15 and the second mechanical pump driven gear 16, second mechanical pump driving gear 15 is located on the output shaft 14 of drive motor, second mechanical pump driven gear 16 is located on the power shaft 17 of the second mechanical pump, thus by the second gear pair, the driving force of drive motor 13 can be delivered to the second mechanical pump 18 to drive the second mechanical pump 18 to operate.
Can by the outside internal lubricating system fuel feeding that oil supply mechanism is the present embodiment, internal oil supply mechanism fuel feeding can also be passed through, preferably, the oil circulation use of cooling of the internal cooling lubricating system in order to realize, the internal cooling lubricating system of the present embodiment also includes the oil supply mechanism being located at bottom coupling mechanism, and this oil supply mechanism is used for as internal cooling lubricating system fuel feeding.The oil supply mechanism of the present embodiment can be arbitrary structures, can be fuel tank, tank structure, it is preferable that the oil supply mechanism of the present embodiment includes oil sump 24 and nutsch filter 25, the oil-out place of oil sump 24 is located at by nutsch filter 25, and nutsch filter 25 is connected with first mechanical pump the 6, second mechanical pump 18.
Temperature in order to avoid cooling down oil is too high and affects the cooling and lubricating effect of coupling mechanism, preferably, the cooling and lubricating system of the present embodiment also includes the external refrigeration system being located at outside coupling mechanism, this external refrigeration system for cooling oil and by cooling after cooling oil be delivered to the first cooling oil passage and second cooling oil passage 41 provide cooling oil, so that drive motor 13, electromotor 9 and clutch 7 are carried out cooling and lubricating, arrange external refrigeration system can by cooling oil cooling to the temperature needed for coupling mechanism cooling and lubricating, to guarantee cooling and lubricating effect.
External refrigeration system includes oil cooler 30 and the first switch 33；Oil cooler 30 is connected with first mechanical pump the 6, second mechanical pump 18 by the first pipeline 31, oil cooler 30 will cool down oil cooling, and oil cooler 30 is connected with the first cooling oil passage and the second cooling oil passage 41 by the second pipeline 32, the second pipeline 32 can be passed through and the cooling oil after cooling is delivered to the first cooling oil passage and second cools down oily passage 41；First switch 33 is located on the first pipeline 31 and the second pipeline 32, is used for detecting the temperature of cooling oil, and realizes the break-make control of the first pipeline 31 and the second pipeline 32 according to the temperature cooling down oil.First switch 33 judgement cooling oil is the need of carrying out external refrigeration, when the temperature of cooling oil is higher than threshold value, first switch 33 will be opened so that the first pipeline 31 and the second pipeline 32 are in channel status, cooling oil first passes through the first pipeline 31 and flows into oil cooler 30 and cool down, and the first cooling oil passage and the second cooling oil passage 41 is flowed into by the second pipeline 32, the inside entering coupling mechanism carries out cooling and lubricating；When the temperature of cooling oil is lower than threshold value, the first switch 33 closedown, cooling oil is circulated in the inside of internal cooling lubricating system and coupling mechanism.
In order to facilitate control, the first switch 33 can be thermostat bypass valve.The present embodiment arranges the purpose of the first switch 33: if operating mode is complicated, the power of motor is higher, then it is very big that the motor feels hot, and only the circulation of coolant does not reach cooling effect close to the inner portion.It is necessary to for this increase a thermostat bypass valve, a threshold values is set, when coolant is flow back in oil duct after being accomplished by external refrigeration higher than threshold values by oil temperature again, cool down related components.Specifically, such as speed operates with 120KM/h, originally coupling mechanism oil temperature 25 degrees Celsius, and motor temperature 120 degree, circulating through several times, oil liquid temperature also reaches 100 degrees Celsius, and motor temperature or 120, then related components cannot well be cooled down by the coolant of 100 degrees Celsius.At this moment just coolant is flowed out to external refrigeration to 25 degrees Celsius, then flow back into coupling mechanism, thus can cool down related components.
The internal cooling lubricating system of the present embodiment also includes the 3rd pipeline the 26, the 4th pipeline 27 and the 5th pipeline 28；Connecting with the 3rd pipeline the 26, first pipeline 31 after 4th pipeline 27 and the 5th pipeline 28 parallel connection, the other end of the 3rd pipeline 26 is connected with the nutsch filter 25 of oil supply mechanism, and the other end of the first pipeline 31 is oil-in, and it connects oil cooler 30；First mechanical pump 6 is connected with the 4th pipeline 27, and when starting electromotor 1, the first mechanical pump 6 is driven, and by the 4th pipeline 27, cooling oil is delivered to the first pipeline 31；Second mechanical pump 18 is connected with the 5th pipeline 28, and when starting drive motor 13, the second mechanical pump 18 is driven, and by the 5th pipeline 28, cooling oil is delivered to the first pipeline 31.
Further, internal cooling lubricating system also includes the 6th pipeline 29, and one end of the 6th pipeline 29 is connected with the first pipeline 31, and the other end of the 6th pipeline 29 is connected with the oil pocket 36 of clutch, and the motion for the piston for clutch provides oil pressure；6th pipeline 29 is provided with second switch 34, second switch 34 is for controlling break-make and the trend of the 6th pipeline 29, and when needs clutch 7 engages, second switch 34 controls the 6th pipeline 29 and connects, cooling oil provides oil pressure by the 6th pipeline 29, controls clutch 7 and engages；When engaging clutch 7, second switch 34 controls the 6th pipeline 29 and disconnects, then cooling oil cannot be input in the middle of the oil pocket 36 of clutch, thus can control clutch 7 and separate.
First pipeline 31 is provided with the 3rd switch 35, and the 3rd switch 35 is for controlling the size of the oil pressure of the first pipeline 31.Additionally, the 3rd switch 35 is connected with the oil sump 24 of oil supply mechanism by oil return pipe 37, when oil pressure is excessive, oil return pipe 37 can be passed through by the oil sump 24 of unnecessary cold oil return to oil supply mechanism.
Internal cooling lubricating arrangement also includes hydraulic module 38, and hydraulic module 38 controls the trend of cooling oil and the size of flow according to mode of operation and the coupling mechanism internal temperature situation of coupling mechanism.Specifically, above-described second switch the 34, the 3rd is switched the 35, first cooling oil passage, the second cooling oil passage 41 and the 6th pipeline 29 and is integrated in hydraulic module 38, this hydraulic module 38 can be controlled by coupling mechanism controller, according to the temperature conditions within the operating mode of whole cooling and lubricating device, coupling mechanism, control second switch 34 and the 3rd switch 35, and then control trend and the uninterrupted of cooling oil.Wherein, second switch 34 and the 3rd switch 35 can be electromagnetic valve.
Further, internal cooling lubricating system also includes electromotor spray bar 42, clutch spray bar 43 and drive motor spray bar 44, first branch road 39 of electromotor spray bar 42 and the first cooling oil passage, for electromotor 9 is carried out Oil injection cooling lubrication, clutch spray bar 43 is connected with the second branch road 40 of the first cooling oil passage, for clutch 7 carries out cooling and lubricating, drive motor spray bar 44 is connected with the second cooling oil passage 41, for drive motor is carried out Oil injection cooling lubrication.
The present embodiment distributes flow and the flow velocity of cooling oil by hydraulic module 38, stir oil or the alternate manner related components to coupling mechanism again through spray bar oil spout and gear to cool down, a lot of complicated pipeline need not be set on the housing of coupling mechanism, reduce the difficulty of processing of housing；If not adopting hydraulic module 38 and spray bar, housing can be made to increase a lot of oil ducts so that structure becomes very complicated, thus can increase processing cost.
Second embodiment of hybrid vehicle coupling mechanism cooling and lubricating system
As shown in Figure 3, the hybrid vehicle coupling mechanism cooling and lubricating system that the present embodiment provides, it differs only in embodiment one, wherein, first mechanical pump 6 is still connected with the power shaft 2 of electromotor by the first gear pair, and second mechanical pump 18 of the present embodiment is connected with jackshaft 11 by the second gear pair, specifically, second gear pair includes intermeshing second mechanical pump driving gear 15 and the second mechanical pump driven gear 16, one end that jackshaft 11 is connected with the second gear 10 extends a distance into the direction of the second mechanical pump 18 and is connected with the second mechanical pump driven gear 16, and the second mechanical pump driving gear 15 is located on the power shaft 17 of the second mechanical pump, thus can also realize the operating by drive motor 13 and drive the function of the second mechanical pump 18 operating.Other structure of the present embodiment is identical with embodiment one.
This utility model also provides for the control method of a kind of hybrid vehicle coupling mechanism cooling and lubricating system, and it is for switching over the mode of operation of cooling and lubricating system, and wherein, cooling and lubricating system includes two kinds of mode of operations.
Two kinds of mode of operation contrast tables of table one cooling and lubricating system
As shown in Figure 4, the control method of the present embodiment comprises the following steps:
The work order of the coupling mechanism that S1, reception entire car controller send；
S2, when coupling mechanism is in electric-only mode, coupling mechanism controller controls clutch 7 and separates, electromotor 1 and electromotor 9 quit work, so that the first mechanical pump 6 does not work, drive motor 13 drives the second mechanical pump 18 to operate drive motor 13 is carried out cooling and lubricating；
S3, when coupling mechanism be in increasing journey pattern, coupling mechanism controller controls clutch 7 and separates, electromotor and generator drive the first mechanical pump 6 operate electromotor 9 is carried out cooling and lubricating, simultaneously drive motor 13 and drive the second mechanical pump 18 to operate drive motor is carried out cooling and lubricating；
S4, it is in increasing journey pattern or during hybrid mode when coupling mechanism, coupling mechanism controller controls clutch 7 and engages, electromotor 1 drives the first mechanical pump 6 to operate electromotor 9 and clutch 7 are carried out cooling and lubricating, simultaneously drives motor 13 and drives the second mechanical pump 18 to operate drive motor 13 is carried out cooling and lubricating.
Owing to hydraulic module 38 is to be controlled by coupling mechanism controller, and second switch the 34, the 3rd switch the 35, first cooling oil passage, the second cooling oil passage 41 and the 6th pipeline 29 are integrated in hydraulic module 38, therefore, in the control method of the present embodiment, second switch 34 and the 3rd switch 35 are all subject to the control of coupling mechanism controller.
Specifically, as shown in above-mentioned table one, hereinafter it should be noted that, Second Threshold is more than first threshold, when automobile battery power is more than Second Threshold, coupling mechanism controller controls the 3rd switch 35 unlatching, 5th pipeline 28 is disconnected, clutch 7 separates, now coupling mechanism is for electric-only mode, electromotor 1 and electromotor 9 do not work, electromotor 9 and clutch 7 all do not need cooling and lubricating, first mechanical pump 6 does not need work, only drive motor 13 works, have only to cooling drive motor 13, drive motor 13 drives the second mechanical pump 18 to operate and passes through the second cooling oil passage 41 and drive motor 13 is carried out cooling and lubricating.
During when automobile battery power less than first threshold and Second Threshold, coupling mechanism controller coupling mechanism controller controls the 3rd switch 35 unlatching, 5th pipeline 28 is disconnected, clutch 7 separates, now coupling mechanism is in increasing journey pattern, electromotor 1 start drive electrical generators 9 generate electricity but be not involved in drive, electromotor 1 drives the first mechanical pump 6 to work and passes through the first the first branch road 39 cooling down oil passage and electromotor 9 is carried out cooling and lubricating, simultaneously drives motor 13 and drives mechanical pump 18 to operate drive motor 13 is carried out cooling and lubricating.
When automobile battery power is more than first threshold and less than Second Threshold, the 3rd switch 35 closedown is controlled by coupling mechanism controller, connect the 5th pipeline 28, clutch 7 is engaged, now coupling mechanism is in hybrid mode, electromotor 1, electromotor 9 participates in driving, electromotor 9 and clutch 7 are carried out cooling and lubricating by the second branch road 40 of the first branch road 39 and the first cooling oil passage that electromotor 1 drives the first mechanical pump 6 to work and passes through the first cooling oil passage, simultaneously, drive motor 13 drives the second mechanical pump 18 to work described drive motor 13 is carried out cooling and lubricating.
The control method of the present embodiment further comprises the steps of: the temperature obtaining cooling oil；When the temperature of cooling oil is higher than threshold value, cooling oil flows into the inside of coupling mechanism again after external refrigeration system cools down；When the temperature of cooling oil is lower than threshold value, cooling oil is in the inner loop of coupling mechanism.Specifically, 33 temperature judging cooling oil are switched by first, when the temperature of cooling oil is higher than threshold value, first switch 33 will be opened so that the first pipeline 31 and the second pipeline 32 are in channel status, cooling oil flows into oil cooler 30 by the first pipeline 31 and cools down, and flowed into the first cooling oil passage and the second cooling oil passage 41 by the second pipeline 32, and the inside entering coupling mechanism carries out cooling and lubricating；When the temperature of cooling oil is lower than threshold value, the first switch 33 closedown, cooling oil is circulated in the inside of coupling mechanism.
The control method of the present embodiment further comprises the steps of: the oil pressure size judging cooling oil；
When cooling oil oil pressure higher than preset value time, control second switch and open, cooling oil unnecessary in the first pipeline 31 is back to oil supply system by oil return pipe 37；
When the oil pressure of cooling oil is lower than preset value, control second switch to open, the inside that cooling oil is delivered to coupling mechanism all through the first cooling oil passage and the second cooling oil passage 41 is carried out cool cycles with the internal structure to coupling mechanism, it is not necessary to the backflow of cooling oil.
To sum up, a kind of hybrid vehicle coupling mechanism cooling and lubricating system provided by the utility model and control method, have the advantage that
1, do not need electrodynamic pump and oil pump controller, and mechanical pump is more cheap than electrodynamic pump, it is possible to save development capital；
2, whether two working machine pumps, it is not necessary to individually controls.When electric-only mode, the second mechanical pump 18 can operate with the output shaft 14 of drive motor, and when coupling mechanism is combination drive pattern or increasing journey pattern, two mechanical pumps can operate with the power shaft of the output shaft 14 of drive motor and electromotor respectively.
3, the rotating speed of two mechanical pumps need not individually control, and the running speed of mechanical pump regulates voluntarily according to the running speed of drive motor 13 and the running speed of electromotor 1.When drive motor 13 or electromotor 1 running speed are very fast, mechanical pump also can obtain rotating speed faster, also required bigger cooling and lubricating flow can be met, otherwise, when drive motor 13 or electromotor 1 running speed are slower, mechanical pump also can obtain slower rotating speed, also can meet required less cooling and lubricating flow.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the premise without departing from this utility model know-why; can also making some improvement and replacement, these improve and replace and also should be regarded as protection domain of the present utility model.
Claims (11)
1. a hybrid vehicle coupling mechanism cooling and lubricating system, described coupling mechanism includes electromotor, drive motor and coupling mechanism controller, described electromotor is coaxially connected with the power shaft of electromotor, it is provided with clutch between described electromotor and electromotor, the output shaft of described drive motor is connected with described clutch by actuating device, and described coupling mechanism is connected with described clutch, electromotor and drive motor；It is characterized in that, described cooling and lubricating system includes the internal cooling lubricating system being located within described coupling mechanism；
Described internal cooling lubricating system includes:
First mechanical pump, described first mechanical pump is connected with the power shaft of electromotor, and along with electromotor operates；
Second mechanical pump, described second mechanical pump is connected with the output shaft of drive motor, and along with drive motor operates；
First cooling oil passage, it is connected with described first mechanical pump, for cooling oil being delivered to electromotor and clutch and electromotor and clutch being carried out cooling and lubricating；
Second cooling oil passage, it is connected with described second mechanical pump, for cooling oil being delivered to drive motor and drive motor being carried out cooling and lubricating.
2. hybrid vehicle coupling mechanism cooling and lubricating system as claimed in claim 1, it is characterized in that, described internal cooling lubricating system also includes hydraulic module, described first cooling oil passage and the second cooling oil passage are integrated in described hydraulic module, and described hydraulic module controls the size of the oily trend of cooling and flow according to the temperature that the mode of operation of coupling mechanism and coupling mechanism are internal.
3. hybrid vehicle coupling mechanism cooling and lubricating system as claimed in claim 1, it is characterized in that, described internal cooling lubricating system also includes being located at the oil supply mechanism bottom described coupling mechanism, described oil supply mechanism includes oil sump and nutsch filter, the oil-out place of described oil sump is located at by described nutsch filter, and described nutsch filter is connected with described first mechanical pump, the second mechanical pump.
4. the hybrid vehicle coupling mechanism cooling and lubricating system as described in any one of claim 1-3, it is characterized in that, described cooling and lubricating system also includes the external refrigeration system being located at outside described coupling mechanism, and described external refrigeration system is for cooling oil and the cooling oil after cooling is delivered to described first cooling oil passage and the second cooling oil passage.
5. hybrid vehicle coupling mechanism cooling and lubricating system as claimed in claim 4, it is characterised in that described external refrigeration system includes oil cooler and the first switch；Described oil cooler is connected with described first mechanical pump, the second mechanical pump by the first pipeline, and described oil cooler is connected with described first cooling oil passage, the second cooling oil passage by the second pipeline；
Described first switch is located on described first pipeline and the second pipeline, is used for detecting the temperature of cooling oil, and realizes the break-make control of the first pipeline and the second pipeline according to the temperature cooling down oil.
6. hybrid vehicle coupling mechanism cooling and lubricating system as claimed in claim 5, it is characterised in that described internal cooling lubricating system also includes the 3rd pipeline, the 4th pipeline and the 5th pipeline；
Connecting with described 3rd pipeline, the first pipeline after described 4th pipeline and the 5th pipeline parallel connection, the other end of described 3rd pipeline is oil-in, and the other end of described first pipeline is connected with described oil cooler；
Described first mechanical pump is connected with described 4th pipeline, and described second mechanical pump is connected with described 5th pipeline.
7. hybrid vehicle coupling mechanism cooling and lubricating system as claimed in claim 6, it is characterized in that, described internal cooling lubricating system also includes the 6th pipeline, one end of described 6th pipeline is connected with the oil-out of described 4th pipeline, the 5th pipeline, the other end of described 6th pipeline is connected with described clutch, and the motion for the piston for described clutch provides oil pressure；
Described 6th pipeline is provided with second switch, and described second switch is for controlling break-make and the trend of the 6th pipeline.
8. hybrid vehicle coupling mechanism cooling and lubricating system as claimed in claim 5, it is characterised in that described first pipeline is provided with the 3rd switch, and described 3rd switch is for controlling the size of the oil pressure of the first pipeline；Described 3rd switch is connected to the oil return pipe of unnecessary cold oil return.
9. the hybrid vehicle coupling mechanism cooling and lubricating system as described in any one of claim 1-3, it is characterised in that described first mechanical pump is connected with the power shaft of described electromotor by the first gear pair.
10. the hybrid vehicle coupling mechanism cooling and lubricating system as described in any one of claim 1-3, it is characterised in that described second mechanical pump is connected with the output shaft of described drive motor by the second gear pair.
11. the hybrid vehicle coupling mechanism cooling and lubricating system as described in any one of claim 1-3, it is characterized in that, described coupling mechanism also includes differential mechanism, the output shaft of described drive motor is connected with described differential mechanism by described actuating device, described actuating device includes jackshaft, the 3rd gear pair and the 4th gear pair, the output shaft of described drive motor is connected with described jackshaft by the 3rd gear pair, and described jackshaft is connected with described differential mechanism by the 4th gear pair；
Described second mechanical pump is connected with described jackshaft by the second gear pair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620021925.9U CN205350303U (en) | 2016-01-08 | 2016-01-08 | Hybrid vehicle coupling mechanism cooling and lubrication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620021925.9U CN205350303U (en) | 2016-01-08 | 2016-01-08 | Hybrid vehicle coupling mechanism cooling and lubrication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205350303U true CN205350303U (en) | 2016-06-29 |
Family
ID=56174551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620021925.9U Active CN205350303U (en) | 2016-01-08 | 2016-01-08 | Hybrid vehicle coupling mechanism cooling and lubrication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205350303U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114231A (en) * | 2016-09-05 | 2016-11-16 | 北京新能源汽车股份有限公司 | The control method of the range extender system of a kind of stroke-increasing electric automobile and device |
| CN106958645A (en) * | 2016-01-08 | 2017-07-18 | 广州汽车集团股份有限公司 | Hybrid vehicle coupling mechanism cooling and lubricating system and its control method |
| CN114396472A (en) * | 2021-10-12 | 2022-04-26 | 华为数字能源技术有限公司 | Power assembly and vehicle |
-
2016
- 2016-01-08 CN CN201620021925.9U patent/CN205350303U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106958645A (en) * | 2016-01-08 | 2017-07-18 | 广州汽车集团股份有限公司 | Hybrid vehicle coupling mechanism cooling and lubricating system and its control method |
| CN106114231A (en) * | 2016-09-05 | 2016-11-16 | 北京新能源汽车股份有限公司 | The control method of the range extender system of a kind of stroke-increasing electric automobile and device |
| CN114396472A (en) * | 2021-10-12 | 2022-04-26 | 华为数字能源技术有限公司 | Power assembly and vehicle |
| US11906037B2 (en) | 2021-10-12 | 2024-02-20 | Huawei Digital Power Technologies Co., Ltd. | Cooling and lubricating oil paths for power assembly and vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205395988U (en) | Hybrid vehicle coupling mechanism cooling and lubrication system | |
| CN106956586B (en) | Hybrid vehicle coupling mechanism cooling and lubricating device and its control method | |
| RU2663946C1 (en) | Hybrid transport facility | |
| JP4139294B2 (en) | Hybrid electric vehicle cooling system and method | |
| CN107031379B (en) | The drive axle unit of power assembly for hybrid vehicle | |
| CN103095035B (en) | Electric system and new energy vehicle | |
| CN205350303U (en) | Hybrid vehicle coupling mechanism cooling and lubrication system | |
| CN103975180A (en) | Drive train cooling arrangement and method for operating same | |
| CN103836167B (en) | A kind of dynamic coupling device cooling and lubricating system of hybrid vehicle | |
| CN106541814A (en) | 4 wheel driven wheel hub drives pure electric automobile power assembly temperature integrated regulation and control system | |
| CN105402393A (en) | Hydraulic System For Vehicle | |
| CN114593196A (en) | Cooling and lubricating system of hybrid power transmission | |
| CN104742721A (en) | Hybrid power system with double clutches and implementation method f system | |
| CN108327515A (en) | Hybrid electric vehicle power drive system based on double planet wheel rows of mixing | |
| CN113565948B (en) | Cooling and lubricating system of hybrid gearbox and hybrid vehicle | |
| CN111469651A (en) | Hybrid power driving system, control method and vehicle | |
| CN105805284A (en) | Transmission lubricating system and method suitable for hybrid electric vehicle | |
| CN108382182A (en) | A kind of double planet wheel rows of mixing multimodal fusion power vehicle power drive system | |
| CN103770610B (en) | Electrical vehicular power assembly | |
| CN106958645B (en) | Cooling and lubricating system for coupling mechanism of hybrid electric vehicle and control method thereof | |
| CN202642086U (en) | Multifunctional gearbox for free end of host machine | |
| Roberts | Multispeed transmission for electric vehicles | |
| CN111497587A (en) | Hybrid power driving system, control method and vehicle | |
| CN115654033A (en) | Mixed-action hydraulic control system | |
| CN106394225B (en) | Oil-electricity hybrid power vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180711 Address after: 510030 23 building, Cheng Yue mansion 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou, Guangdong. Co-patentee after: Guangzhou GAC Group Motor Co., Ltd. Patentee after: Guangzhou Automobile Group Co., Ltd. Address before: 510030 23 building, Cheng Yue mansion 448-458, Dongfeng Middle Road, Yuexiu District, Guangzhou, Guangdong. Patentee before: Guangzhou Automobile Group Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 23 building, 448-458 Yue Cheng Building, No. 510030 Dongfeng Road, Guangzhou, Guangdong, Yuexiu District Co-patentee after: Guangzhou Automobile Passenger Car Co., Ltd. Patentee after: Guangzhou Automobile Group Co., Ltd. Address before: 23 building, 448-458 Yue Cheng Building, No. 510030 Dongfeng Road, Guangzhou, Guangdong, Yuexiu District Co-patentee before: Guangzhou GAC Group Motor Co., Ltd. Patentee before: Guangzhou Automobile Group Co., Ltd. |