CN207609647U - Double-clutch automatic gearbox hydraulic oil supply system and motor vehicle - Google Patents
Double-clutch automatic gearbox hydraulic oil supply system and motor vehicle Download PDFInfo
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- CN207609647U CN207609647U CN201721816790.6U CN201721816790U CN207609647U CN 207609647 U CN207609647 U CN 207609647U CN 201721816790 U CN201721816790 U CN 201721816790U CN 207609647 U CN207609647 U CN 207609647U
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Abstract
The utility model discloses a kind of double-clutch automatic gearbox hydraulic oil supply system and motor vehicle, double-clutch automatic gearbox hydraulic oil supply system includes oil sources；High tension loop, the high tension loop include working connection, high-pressure pump and electronic pump, and the high-pressure pump is arranged with the electronic pump on the working connection in parallel；Low tension loop, the low tension loop includes low-lift pump output circuit, the low-lift pump and solenoid directional control valve that are arranged on the low-lift pump output circuit；And circuit oil circuit；The low-lift pump and high-pressure pump are composed in series main oil pump, and are driven by common driving unit, and there are three the position of the switch for the solenoid directional control valve tool.Motor vehicle includes above-mentioned double-clutch automatic gearbox hydraulic oil supply system.The utility model has many advantages, such as loss less and manufacture difficulty is small, at low cost.
Description
Technical field
The utility model is related to automobile double-clutch speed changer technical fields, more particularly to a kind of double-clutch automatic gearbox
Hydraulic oil supply system and motor vehicle.
Background technology
Traditional double-clutch automatic gearbox hydraulic oil supply system is usually completed by a single quantitative mechanical pump to entire
The driving unit of the supply of hydraulic system, the pump is usually engine, and the extra flow of system will waste after rotating speed increases,
Just there is variable-displacement pump behind energy consumption to reduce, one is realized to output flow in the loss wasting phenomenon for causing the great energy
The drop that pressure realizes main pump is built in the adjusting and one electronic pump of a quantitative mechanical parallel connection of pumps for determining degree by the auxiliary of electronic pump
Discharge capacity and increase start and stop function still cannot meet increasingly harsh oil consumption requirement to reduce energy consumption, until high pressure
The appearance of circuit and the separated feedway of low tension loop is truly realized the distribution according to need of hydraulic power, greatly reduces energy
Consumption.
A kind of speed change being used for the automatic of motor vehicle or automation is disclosed in 105090134 A of patent document CN
The hydraulic supply unit of device, especially dual-clutch transmission, with high tension loop, the high tension loop have accumulator and
It is supplied by high-pressure pump；Low tension loop, the low tension loop are supplied by low-lift pump, wherein the high-pressure pump and the low pressure
Pump is driven by common driving unit；It is arranged in the valve in the high-pressure pump downstream, there are three the position of the switch for valve tool, wherein
The supply for the high tension loop can be realized in first switch position by the high-pressure pump, and in second switch
The outlet side of high-pressure pump described in position connect with container or is connect with the inlet side of the high-pressure pump,：The valve has the
Three position of the switch, the high tension loop described in the third position of the switch are connect with the container.However, in practical practicality,
The pressure of the fueller high tension loop is higher and is typically the several times of double clutch hydraulic system normal pressures, and high-pressure pump is needed to borrow
The accumulator of high tension loop is helped to supply, thus it is higher to the seal request of entire hydraulic system, while to related components
Intensity and required precision are higher, so the manufacturing cost of the system and industrialization difficulty are larger, relevant vital part is in state
Interior rare supplier can complete, and the high-pressure pump and the low-lift pump are driven by common driving unit, and preferred driving is single
Member is motor, and since high tension loop pressure is higher, the total hydraulic power of the double pump mechanism is not low, and demand power of motor is larger,
Working time is longer, and motor manufacturing difficulty is big.
Utility model content
The utility model provides a kind of double-clutch automatic gearbox hydraulic oil supply system and motor vehicle so that it is lost
Less and there is efficiency, manufacture difficulty is small, at low cost, it is easier to realize industrialization, the structure high tension loop pressure is relatively low, together
When seal request it is relatively low, so as to reduce the manufacturing cost and difficulty of entire transmission pressure system.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of double-clutch automatic gearbox hydraulic oil supply system, including：
Oil sources；
High tension loop, the high tension loop include working connection, high-pressure pump and electronic pump, the high-pressure pump and the electronics
Parallel connection of pumps it is arranged on the working connection；
Low tension loop, the low tension loop include low-lift pump output circuit, are arranged on the low-lift pump output circuit
Low-lift pump and solenoid directional control valve；And
Circuit oil circuit；
It is characterized in that：The low-lift pump and high-pressure pump are composed in series main oil pump, and are driven by common driving unit,
For the solenoid directional control valve tool there are three the position of the switch, the supply to low tension loop is realized in first switch position by low-lift pump,
Second switch position makes low-lift pump be connected with oil return circuit to realize that oil return, third position of the switch mesolow pump are pushed back with the height
It is provided with auxiliary between road and builds pressure oil road.
Further, be respectively arranged on the outlet side of the high-pressure pump, electronic pump, low-lift pump the first output one-way valve,
Second output one-way valve and third output one-way valve.
Further, further include oil absorption filter, oil absorption filter setting is in the oil sources and the high-pressure pump, low
In connecting tube between press pump and electronics pump inlet.
Further, the solenoid directional control valve is switching mode solenoid valve.
Further, in the first switch position of the solenoid directional control valve, the low-lift pump output circuit is connected with profit
Lubricating oil road.
Further, in the second switch position of solenoid directional control valve, low-lift pump output circuit is connect with oil return circuit, institute
Oil return circuit is stated to connect with the oil inlet of low-lift pump and high-pressure pump.
Further, in the third position of the switch of solenoid directional control valve, the low-lift pump output circuit builds pressure oil with auxiliary
Road connects, and the low-lift pump output circuit builds pressure oil circuit connection with working connection by auxiliary.
Further, the oil inlet of the electronic pump and the low-lift pump and high-pressure pump oil inlet and the oil return circuit
Connection, the outlet side of the electronic pump are connect with the working connection.
Further, the high-pressure pump and main oil pump is composed in series by shaft coupling between low-lift pump.
The utility model also provides a kind of motor vehicle comprising above-mentioned double-clutch automatic gearbox hydraulic oil supply system.
Now the operating principle of the utility model is described in detail：
The double-clutch automatic gearbox hydraulic oil supply system of the utility model includes mechanical pump and electronic pump, mechanical pump point
High-pressure machinery pumps (high-pressure pump) and low-pressure machinery pump (low-lift pump), and high-pressure machinery pump and low-pressure machinery pump are by common driving unit
Driving, electronic pump with in motor vehicle power supply system and control unit be connected, the oil supply system is with high tension loop, high pressure
Circuit provides pressure and is used for realizing that shelves are hung in the combination separation of clutch and realization, and the high tension loop routine operating mode is by high-pressure machinery
It pumps to supply；Certain operating modes realize the quick of whole system by low-pressure machinery pump and electronic pump auxiliary supply by enlargement discharge
Punching oil and response speed；Certain operating modes are supplied separately to by electronic pump, preferred such as start and stop operating mode, and when vehicle sliding operating mode closes hair
Motivation provides system demand pressure when mechanical pump is stopped and is used for realizing that clutch combines separation and realization to hang shelves, this
Sample can greatly reduce energy consumption.In addition, the hydraulic power of the utility model is directly proportional to pressure and flow, mentioned in background technology
Patent reduce energy consumption by reducing the discharge capacity of pump, cannot be too to realize that identical efficiency will also take into account driving motor power simultaneously
Greatly, it needs to realize by improving system pressure, so the setting of high tension loop pressure is more high than the pressure of conventional system,
And the high pressure pumpage setting of the utility model is relatively larger, and can realize auxiliary by low-lift pump in certain operating modes
Pressure is built, so the setting of high tension loop pressure is relatively low equally to may be implemented identical efficiency, thus it is relatively low to seal request, to
Reduce the manufacturing cost and difficulty of entire transmission pressure system.
Low tension loop is supplied separately to by low-pressure machinery pump, is arranged in the solenoid directional control valve in low-pressure machinery pump downstream, has three
A position of the switch can make oil pump feed more reasonable by the switching of switch valve, realize distribution according to need, greatly reduce energy consumption.
First switch position can pump by the low-pressure machinery and realize the supply for the low tension loop, for realize shafting and
From with device lubrication and cooling；The low-pressure machinery pump described in second switch position passes through the oil return circuit and mechanical pump intake
It is connected and realizes oil return, the low-lift pump off-load oil return reduction energy consumption when that need not lubricate；And the low pressure described in the third position of the switch
Mechanical pump with it is described auxiliary build pressure oil road be connected realize auxiliary build pressure and provide big flow raising system response speed.Thus
Loss of the utility model in practical practicality is small and has efficiency.
It is designed with check valve, the check valve of mechanical pump discharge, for hybrid power in mechanical pump and electronic pump outlet side
Automobile drive electric motor working speed can have certain pressure oscillation less than the operating mode mechanical pump of engine speed, or even influence whole
A system, the setting of the check valve can avoid fluctuating the influence to system, and the check valve of mechanical pump discharge can also be in electronics
Prevent oil from blowing back into mechanical pump when pumping isolated operation, electronic pump outlet side check valve is then that electronic pump is not when preventing mechanical pump operation
Oil blows back into electronic pump when operation.
Description of the drawings
Fig. 1 is the principle schematic diagram of the utility model.
Reference numeral
Oil sources 1；High tension loop 2；Working connection 21；High-pressure pump 22；Electronic pump 23；First output one-way valve 24；Second output
Check valve 25；Low tension loop 3；Low-lift pump output circuit 31；Low-lift pump 32；Solenoid directional control valve 33；Third output one-way valve 34；Profit
Lubricating oil road 35；Circuit oil circuit 4；Auxiliary builds pressure oil road 5；Oil absorption filter 6.
Specific implementation mode
With reference to embodiments and refer to the attached drawing is further described the utility model.
With reference to figure 1, the utility model discloses a kind of double-clutch automatic gearbox hydraulic oil supply system comprising oil sources 1；It is high
Road 2 is pushed back, which has working connection 21, high-pressure pump (high-pressure machinery pump) 22 and electronic pump 23, high-pressure pump and electronics
Pump is arranged parallel with one another on the working connection 21；Low tension loop 3, the low tension loop include low-lift pump output circuit 31, low pressure
(low-pressure machinery pump) 32 and solenoid directional control valve 33 are pumped, low-lift pump 32 and solenoid directional control valve 33 are arranged in the low-lift pump output circuit
On, as shown in the drawings, solenoid directional control valve 33 is arranged on the outlet side of low-lift pump；And circuit oil circuit 4.
By the way that high tension loop 2 and low tension loop 3 to be provided separately, it just can so realize that hydraulic system hydraulic power divides on demand
Match, greatly reduce the discharge capacity of mechanical pump, while ensureing efficiency, energy consumption is greatly reduced compared to traditional oil supply system.
Specifically, as shown in Figure 1, low-lift pump 32 and high-pressure pump 22 are composed in series the main oil of the utility model
Pump, preferably connects by shaft coupling and uses the same pump housing, is driven by common driving unit, the preferred driving unit
For engine, driving unit may be motor when for hybrid vehicle.There are three switch position for solenoid directional control valve tool
It sets, following operation may be implemented in three position of the switch of the solenoid directional control valve：It is realized by low-lift pump 32 first switch position
Supply to low tension loop 3, second switch position make low-lift pump 32 be connected with oil return circuit 4 to realize that oil return, third switch position
It sets low and is provided with auxiliary between press pump and high tension loop 2 and builds pressure oil road 5 so that low-lift pump builds pressure oil Lu Yugao by the auxiliary
Road is pushed back to connect to realize that auxiliary builds pressure and provides big flow to improve the response speed of system.In the present invention,
Electronic pump 23 be used as auxiliary oil pump, in motor vehicle power supply system and control unit (not shown in figures) be connected to
Realize that auxiliary builds pressure under certain operating modes, preferably in start and stop operating mode and coasting mode, the electricity when engine stop is run
Son pump operating provides offer system demand pressure and is used for realizing that clutch combines separation and realizes extension shelves, greatly reduces energy
Consumption.
It is respectively arranged with the first output one-way valve on the outlet side of the high-pressure pump of the utility model, electronic pump and low-lift pump
24, the second output one-way valve and third output one-way valve 34,.The check valve of high-pressure pump and low pressure pump outlet setting for
When hybrid power automobile drive electric motor working speed be less than engine speed when operating mode, at this time mechanical pump can have certain pressure
Fluctuation, or even whole system is influenced, the setting of the check valve can avoid fluctuating the influence to system, the list of mechanical pump discharge
It can also prevent oil from blowing back into mechanical pump in electronic pump isolated operation to valve.The setting of the check valve of electronic pump outlet side is then
Prevent oil when electronic pump is not run when mechanical pump operation from blowing back into electronic pump.
The utility model further includes the oil suction being arranged between oil sources 1 and high-pressure pump, low-lift pump and electronics pump inlet
Filter 6, to ensure to enter to the cleannes of the oil sources in pump.
The solenoid directional control valve of the utility model is switching mode solenoid valve, in particular three-position four-way electromagnetic directional valve.The electricity
Magnetic reversal valve is connected with valve body control unit (TCU, not shown in figures), the finger sent out by valve body control unit (TCU)
It enables and carries out logic switch, keep oil pump feed more reasonable by the switching of switch valve, realize distribution according to need, greatly reduce energy consumption.
In the first switch position of solenoid directional control valve 33, which is connected with lubricant passage way 35, together
When solenoid directional control valve build the connector of pressure oil road 5 and circuit oil circuit 4 with auxiliary and close；In the second switch position of solenoid directional control valve 33
In, low-lift pump output circuit 31 is connect with oil return circuit 4, and oil return circuit is connect with the oil inlet of low-lift pump and high-pressure pump, simultaneously
The connector that solenoid directional control valve builds pressure oil road with lubricant passage way and auxiliary is closed；In the third position of the switch, low-lift pump output circuit
Pressure oil circuit connection is built with auxiliary, low-lift pump output circuit builds pressure oil circuit connection, while solenoid directional control valve with working connection by auxiliary
It is closed with the connector of lubricant passage way and oil return circuit.
The oil inlet of electronic pump 23 is connect with the oil inlet and oil return circuit of low-lift pump and high-pressure pump, the outlet of electronic pump
Side is connect with working connection, to realize recycling for oil.
The utility model also provides a kind of motor vehicle including above-mentioned double-clutch automatic gearbox hydraulic oil supply system.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Using equivalent structure or equivalent flow shift made by the utility model description, it is applied directly or indirectly in other phases
The technical field of pass, is equally included in the patent within the scope of the utility model.
Claims (10)
1. a kind of double-clutch automatic gearbox hydraulic oil supply system, including：
Oil sources (1)；
High tension loop (2), the high tension loop include working connection (21), high-pressure pump (22) and electronic pump (23), the high pressure
Pump (22) is arranged with the electronic pump (23) on the working connection in parallel；
Low tension loop (3), the low tension loop include low-lift pump output circuit (31), are arranged on the low-lift pump output circuit
Low-lift pump (32) and solenoid directional control valve (33)；And
Circuit oil circuit (4)；
It is characterized in that：The low-lift pump and high-pressure pump are composed in series main oil pump, and are connected with common driving unit, the electricity
Magnetic reversal valve tool supplies low tension loop (3) by low-lift pump (32) in first switch position, second there are three the position of the switch
Position of the switch mesolow pump (32) is connected with oil return circuit (4), and third position of the switch mesolow pumps (32) and the high tension loop
(2) it is provided with auxiliary between and builds pressure oil road (5).
2. double-clutch automatic gearbox hydraulic oil supply system according to claim 1, it is characterised in that：The high-pressure pump,
Electronic pump, low-lift pump outlet side on be respectively arranged with the first output one-way valve (24), the second output one-way valve (25) and
Three output one-way valves (34).
3. double-clutch automatic gearbox hydraulic oil supply system according to claim 1, it is characterised in that：It further include oil suction
The company between the oil sources and the high-pressure pump, low-lift pump and electronics pump inlet is arranged in filter (6), the oil absorption filter
It takes over.
4. double-clutch automatic gearbox hydraulic oil supply system according to claim 1, it is characterised in that：The electromagnetic switch
Valve (33) is switching mode solenoid valve.
5. double-clutch automatic gearbox hydraulic oil supply system according to claim 1, it is characterised in that：It is changed in the electromagnetism
Into the first switch position of valve (33), the low-lift pump output circuit (31) is connected with lubricant passage way (35).
6. double-clutch automatic gearbox hydraulic oil supply system according to claim 5, it is characterised in that：In solenoid directional control valve
(33) in second switch position, low-lift pump output circuit (31) is connect with oil return circuit (4), the oil return circuit and low-lift pump
It is connected with the oil inlet of high-pressure pump.
7. double-clutch automatic gearbox hydraulic oil supply system according to claim 6, it is characterised in that：In solenoid directional control valve
(33) in the third position of the switch, the low-lift pump output circuit (31) is built pressure oil road (5) with auxiliary and is connect, and the low-lift pump is defeated
Pressure oil circuit connection is built by auxiliary between vent line and the working connection of high tension loop.
8. double-clutch automatic gearbox hydraulic oil supply system according to claim 1, it is characterised in that：The electronic pump
(23) oil inlet is connect with the low-lift pump (32) and high-pressure pump (22) oil inlet and the oil return circuit (4), the electricity
The outlet side of son pump is connect with the working connection.
9. double-clutch automatic gearbox hydraulic oil supply system according to claim 1, it is characterised in that：The high-pressure pump with
(22) main oil pump is composed in series by shaft coupling between low-lift pump (32).
10. a kind of motor vehicle, which is characterized in that it includes the double-clutch automatic gearbox described in any one of the claims
Hydraulic oil supply system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721816790.6U CN207609647U (en) | 2017-12-22 | 2017-12-22 | Double-clutch automatic gearbox hydraulic oil supply system and motor vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721816790.6U CN207609647U (en) | 2017-12-22 | 2017-12-22 | Double-clutch automatic gearbox hydraulic oil supply system and motor vehicle |
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| Publication Number | Publication Date |
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| CN207609647U true CN207609647U (en) | 2018-07-13 |
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| CN201721816790.6U Active CN207609647U (en) | 2017-12-22 | 2017-12-22 | Double-clutch automatic gearbox hydraulic oil supply system and motor vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939786A (en) * | 2017-12-22 | 2018-04-20 | 重庆青山工业有限责任公司 | Double-clutch automatic gearbox hydraulic oil supply system and motor vehicle |
-
2017
- 2017-12-22 CN CN201721816790.6U patent/CN207609647U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939786A (en) * | 2017-12-22 | 2018-04-20 | 重庆青山工业有限责任公司 | Double-clutch automatic gearbox hydraulic oil supply system and motor vehicle |
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