CN101943227B - Double clutch operation system and separation and combination control method thereof - Google Patents

Double clutch operation system and separation and combination control method thereof Download PDF

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Publication number
CN101943227B
CN101943227B CN2010102566701A CN201010256670A CN101943227B CN 101943227 B CN101943227 B CN 101943227B CN 2010102566701 A CN2010102566701 A CN 2010102566701A CN 201010256670 A CN201010256670 A CN 201010256670A CN 101943227 B CN101943227 B CN 101943227B
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clutch
cylinder
assembly
electronically controlled
double
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CN101943227A (en
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杨世春
郭斌
李明
徐斌
崔海港
陈铁
曹耀光
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Beihang University
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Beihang University
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Abstract

The invention provides a double clutch operation system and a separation and combination control method thereof. The double clutch operation system comprises a double clutch operator, a permanent magnet alternating-current machine, a ball nut, a lead screw, a clutch master cylinder, an oil cup, a two-position three-way electromagnetic valve A, a two-position three-way electromagnetic valve B, a one-way valve A, a one-way valve B, an electric control proportioning valve A, an electric control proportioning valve B, a clutch sub-cylinder assembly A and a clutch sub-cylinder assembly B. In the double clutch operation system, the concentric clutch sub-cylinder of the system simplifies drive assembly and reduces axial dimension, and the operation systems of two sets of clutch assembles are integrated together, so that the number of parts is reduced, arrangement is flexible, and the requirements of double clutch hybrid power assemblies in various hybrid ratios and with various function modes on the electric control operation of the clutch assembly are met, and braking energy recycling is made probable.

Description

A kind of double clutch control system and separation connection control method thereof
Technical field
The invention belongs to technical field of hybrid power, be specifically related to a kind of double clutch control system and separate connection control method.
Background technique
At present, the double-clutch mixed power assembly can be realized all functions of mixed power system, and this double-clutch mixed power assembly comprises two cover clutch systems, and wherein a cover is used for cutting off or the output engine power; Another set ofly be used for cutting off or exporting whole power assembly power, cooperate and accomplish choosing shelves, gear-change operation, simultaneously, prevent whole power assembly overload.
In existing double-clutch mixed power assembly, be used to cut off or export the clutch of engine power, mostly its control system is automatic control type; And being used to cut off or export the clutch of whole power assembly power, its control system adopts hydraulic system more, the separation of clutch, engages and is mostly to be accomplished by driver's operation; And mostly the speed changer that uses that matches is manual transmission, and this makes the automaticity of whole hybrid power assembly greatly reduce, and the driver drives the difference of qualification; Make separation, the joint quality of clutch be difficult to guarantee; Energy-optimised also unfavorable to working life of clutch and power assembly, simultaneously, because the speed changer that uses with this clutch coupling is manual transmission; Therefore; In the design of control strategy, need on each gear, all carry out the energy-optimised management of power assembly, make the complex designization of control strategy.
In the existing double-clutch mixed power assembly, be used to cut off or export the clutch of whole power assembly power, its control system also has use to control automatically; But use the double-clutch mixed power assembly of this clutch operating system, its major impetus derives from motor, and motor only helps out; Mode of operation is simple, and too simple for the control strategy of clutch, and whether its control is merely carries out energy recovery; In control strategy, only pay attention to improving the advantage that at utmost reclaims braking energy that clutch separation speed is brought; The optimum joint law of having ignored clutch, not clutch's jointing process not controlled, the process medium power system works of bringing the engine power transmission to recover is rough; Produce greater impact, have a strong impact on the smoothness and the travelling comfort of vehicle drive; Simultaneously, under certain operating mode, be easy to cause engine misses; The impact that clutch produces also causes the overload of power assembly component to destroy easily, therefore, and the requirement that can not satisfy hybrid vehicle control and drive.
In practical implementation; Because adopting two single-acting proportion adjustable flow solenoid valves controls; Realize the separation of clutch, solenoid valve will be in electriferous state, and high-pressure oil passage is in on-state always like this; If the braking energy recovery time is longer, destruction, permanent deformation or the clutch separation that may meet with into clutch thrust spring are crossed stroke and are caused separation not thorough; And to realize the joint of clutch, solenoid valve must cut off the power supply, and after outage; The in-oil cylinder high pressure oil of Clutch Control directly is communicated with fuel tank through oil pipe, under the effect of clutch thrust spring; Clutch engages fast, does not have the dynamic friction process, can cause transmission system to produce greater impact; Make the property of automatic shft of speed changer, the smoothness and the travelling comfort of vehicle drive sharply descend; And because gear shift, the required active force of choosing shelves are much smaller than the required active force of clutch separation; In oil circuit, increase the hydraulic control system of two clutches; The load of whole oil circuit is increased, and the relevant hydraulic components such as oil pump in the oil circuit all need to increase like this, in actual the driving; The frequent operation of gear shift, choosing shelves has increased the energy consumption of whole system.
Simultaneously; In this power assembly,, all adopt hydraulic control system because the control system of the control system of double clutch and speed changer is integrated; Make whole power assembly volume, weight increase; And make the control system of speed changer can only adopt hydraulic control system, and hydraulic control system also has its intrinsic shortcoming, especially has the pollution to environment.
The AMT speed changer is on the basis of traditional clutch and manual gear formula speed changer, to improve to form; The hydraulic pressure of its clutch hydraulic pressure control system divides cylinder to be mostly offset, promptly divides cylinder to be installed in the speed changer side, with the release bearing partial installation; Through the disengaging yoke transferring power; Shortcomings such as this system exists component many, and the transmission assembling is complicated, and it is bigger to take up room.
Summary of the invention
To the problem that exists in the existing technology, the present invention proposes a kind of double clutch control system and separates connection control method.The concentric type clutch of described double clutch control system divides cylinder to simplify the transmission assembling; Reduced axial dimension; And with two the cover clutch assemblies control system integrate, amount of parts is less, and flexible arrangement; Can satisfy of the requirement of the double-clutch mixed power assembly of various degree of mixing, various functional modes, and reclaim the possibility that provides maximum for braking energy to the clutch assembly electric control operation.
Described double clutch control system comprises double clutch controller, permanent magnet AC motor, ball nut, leading screw, clutch master cylinder, lubricating cup, two-position three way magnetic valve A, two-position three way magnetic valve B, one-way valve A, one-way valve B, electronically controlled proportional valve A, electronically controlled proportional valve B, clutch point cylinder assembly A and clutch point cylinder assembly B.
Described clutch divides cylinder assembly A to comprise that clutch divides cylinder A, release bearing assembly A and divides the cylinder position sensors A; Described clutch divides cylinder assembly B to comprise that clutch divides cylinder B, release bearing assembly B and divides cylinder position sensor B.
One side of described clutch master cylinder has two filler openings, and two pistons are arranged, and can form two pressure oil cavities, is respectively first oil pocket and second oil pocket, and one stroke is respectively from two oil pocket oil extractions.Be connected through oil pipe between filler opening and the lubricating cup, the opposite side of cylinder body has oil outlet A and oil outlet B; Oil outlet A connects two-position three way magnetic valve A, one-way valve A and clutch in order through oil pipe and divides the clutch of cylinder assembly A to divide cylinder A; The 3rd port of two-position three way magnetic valve A links to each other through oil pipe with lubricating cup, is used for keeping under the situation of separated state at matching used clutch assembly A, realizes the separation of matching used clutch assembly B and the operation of joint; Two-position three way magnetic valve A also is connected with the double clutch controller through wire harness, controlled by the double clutch controller.The end of electronically controlled proportional valve A is connected to clutch through oil pipe and divides the clutch of cylinder assembly A to divide cylinder A; The other end links to each other with lubricating cup through oil pipe; Electronically controlled proportional valve A also is connected with the double clutch controller through wire harness; Under the control of double clutch controller, realize control to clutch assembly A engaging process.Clutch divides cylinder A and release bearing assembly A mechanical connection; Dividing the cylinder position sensors A to be fixed on clutch divides on the cylinder A; And be connected with the double clutch controller through wire harness; Branch cylinder position sensors A is used to detect the position of release bearing assembly A, and the position information of release bearing assembly A is sent to the double clutch controller.
Oil outlet B connects two-position three way magnetic valve B, one-way valve B and clutch in order through oil pipe and divides cylinder assembly B; Wherein the 3rd of two-position three way magnetic valve B the port directly links to each other with lubricating cup, keeps at clutch assembly B realizing separation and bonding operation to clutch assembly A under the situation of separated state; Two-position three way magnetic valve B also is connected with the double clutch controller through wire harness, controlled by the double clutch controller.
Electronically controlled proportional valve B one end is connected to clutch through oil pipe and divides the clutch of cylinder assembly B to divide cylinder B; The other end of electronically controlled proportional valve B links to each other with lubricating cup through oil pipe; And be connected to the double clutch controller through wire harness; Under the control of double clutch controller, realize control to clutch assembly B engaging process.Clutch divides cylinder B and release bearing assembly B mechanical connection; Dividing cylinder position sensor B to be fixed on clutch divides on the cylinder B; And be connected with the double clutch controller through wire harness; Branch cylinder position sensor B is used to detect the position of release bearing assembly B, and the position information of release bearing assembly B is sent to the double clutch controller.
Described clutch divides cylinder assembly A and clutch to divide cylinder assembly B to be respectively applied for the diaphragm spring that promotes clutch assembly A and clutch assembly B through release bearing assembly A and release bearing assembly B, realizes separating and bonding operation of clutch assembly A and clutch assembly B.
One end of said leading screw and ball nut mechanical connection; The other end of leading screw is connected with the rotor mechanical of permanent magnet AC motor; The other end of ball nut is mechanically connected on the piston of clutch master cylinder through the push rod of clutch master cylinder; Thereby make rotatablely moving of permanent magnet AC motor be transformed into the straight line motion of clutch master cylinder piston; Permanent magnet AC motor also connects the double clutch controller through wire harness, under the control of double clutch controller, for clutch assembly A and clutch assembly B separate and bonding operation provides power.
Described clutch divides cylinder A and clutch to divide cylinder B to be concentric type hydraulic pressure and divides cylinder, and promptly clutch divides cylinder A and clutch assembly A at same axis, and clutch divides cylinder B and clutch assembly B at same axis.
Described one-way valve A and one-way valve B are used to prevent that piston fluid when return of clutch master cylinder from flowing backwards, and can make clutch assembly A and clutch assembly B keep separated state respectively.
Described electronically controlled proportional valve A and electronically controlled proportional valve B are preferably normal closed type, and promptly electronically controlled proportional valve A and electronically controlled proportional valve B all are in closed condition during no electric circuit, after the energising, all can pass through regulating winding electric current, level and smooth control flow rate.
Described clutch assembly A and clutch assembly B are the pushing-type diaphragm spring clutch; Clutch assembly A is used for cutting off or output motor and motor power, cooperates to accomplish choosing shelves, gear-change operation; Clutch assembly B is used for cutting off or the output engine power.
A kind of double clutch control system that the present invention proposes is separated the separation Engagement Control that connection control method comprises three kinds of mode of operations; The separation Engagement Control of first kind of mode of operation is that pure motor driving, idling charging and braking energy reclaim when needing gear shift; Carry out the separation of clutch assembly B earlier, carry out separation and the Engagement Control of clutch assembly A then; The separation connection control method of second kind of mode of operation is motor and motor driven in common, when motor single driving and engine-driving generating, carries out the joint of clutch assembly B earlier, carries out separation and the Engagement Control of clutch assembly A then; The separation connection control method of the third mode of operation is an engine output power, carries out the short time braking energy when reclaiming, and clutch assembly A is under the situation of jointing state, carries out separation and the Engagement Control of clutch assembly B.
The separation connection control method of described first kind of mode of operation comprises following step:
Step 1: cut-off clutch assembly B
(A) two-position three way magnetic valve A, two-position three way magnetic valve B, electronically controlled proportional valve A and electronically controlled proportional valve B all are in off-position, and clutch assembly B and clutch assembly A all are in jointing state; Double clutch controller control two-position three way magnetic valve A energising makes first oil pocket of clutch master cylinder be communicated with lubricating cup.Double clutch controller control permanent magnet AC motor rotates; The piston that promotes clutch master cylinder through ball nut and leading screw moves axially; Impel the hydraulic oil in the clutch master cylinder to discharge; Hydraulic oil flows into clutch from oil outlet B and divides the cylinder B, promotes release bearing assembly B and moves axially, and the diaphragm spring of clutch assembly B impels clutch assembly B to separate;
(B) after the double clutch controller detects the thorough separation of clutch assembly B through a minute cylinder position sensor B; Double clutch controller control two-position three way magnetic valve B energising; Cut off clutch master cylinder and clutch and divide the hydraulic circuit between the cylinder B, and clutch master cylinder is communicated with lubricating cup, divide at clutch that one-way valve B closes under the effect of hydraulic fluid pressure among the cylinder B; Clutch assembly B keeps separated state; After initial position is returned in the counter-rotating of double clutch controller control permanent magnet AC motor, double clutch controller control two-position three way magnetic valve B outage, double clutch controller control two-position three way magnetic valve A outage.
Step 2: the separation of clutch assembly A:
(A) two-position three way magnetic valve A, two-position three way magnetic valve B, electronically controlled proportional valve A and electronically controlled proportional valve B all are in off-position, and clutch assembly B is in separated state, and clutch assembly A is in jointing state; Double clutch controller control two-position three way magnetic valve B energising makes second oil pocket of clutch master cylinder be communicated with lubricating cup;
(B) double clutch controller control permanent magnet AC motor rotates; The piston that promotes clutch master cylinder through ball nut and leading screw moves axially; Impel the hydraulic oil in the clutch master cylinder to discharge; Hydraulic oil flows into clutch through oil outlet A and divides among the cylinder A, promotes release bearing assembly A and moves axially, and the diaphragm spring of clutch assembly A impels clutch assembly A to separate;
(C) after the double clutch controller detects the thorough separation of clutch assembly A through a minute cylinder position sensors A; Double clutch controller control two-position three way magnetic valve A energising; Cut off clutch master cylinder and clutch and divide the hydraulic circuit between the cylinder A, and clutch master cylinder is communicated with lubricating cup, divide at clutch that one-way valve A closes under the effect of hydraulic fluid pressure among the cylinder A; Clutch assembly A keeps separated state; After initial position is returned in the counter-rotating of double clutch controller control permanent magnet AC motor, double clutch controller control two-position three way magnetic valve A outage, double clutch controller control two-position three way magnetic valve B outage;
Step 3: the joint of clutch assembly A:
(a) double clutch controller control electronically controlled proportional valve A energising is opened; Make clutch divide cylinder A to be communicated with lubricating cup; The double clutch controller provides big electric current for electronically controlled proportional valve A, and hydraulic oil begins to divide the filler opening C of cylinder A to flow into lubricating cup fast by clutch, under the effect of clutch assembly A diaphragm spring; Clutch divides the release bearing assembly A rapid axial of cylinder assembly A to move, and detects clutch assembly A Separation up to a minute cylinder position sensors A and eliminates;
(b) the double clutch controller reduces to the electric current that electronically controlled proportional valve A provides; Make clutch divide the hydraulic oil among the cylinder A to reduce from the flow that filler opening C flows into lubricating cup; Make release bearing assembly A move axially speed and slow down, detect the clutch assembly A sliding wear stage up to a minute cylinder position sensors A and finish;
(c) the double clutch controller is given the electric current increase that electronically controlled proportional valve A provides; Make clutch divide the hydraulic oil among the cylinder A to increase from the flow that filler opening C flows into lubricating cup; Making release bearing assembly A move axially speed speeds; After minute cylinder position sensors A detected the initial position before release bearing assembly A returns clutch assembly A separation, the double clutch controller stopped the power supply to electronically controlled proportional valve A, accomplished clutch assembly A engaging process.
The separation connection control method of described second kind of mode of operation comprises following step:
Step 1: the joint of clutch assembly B
(a) two-position three way magnetic valve A, two-position three way magnetic valve B, electronically controlled proportional valve A and electronically controlled proportional valve B all are in off-position, and clutch assembly A is in jointing state, and clutch assembly B is in separated state;
(b) double clutch controller control electronically controlled proportional valve B energising is opened; Make clutch divide cylinder B to be communicated with lubricating cup; The double clutch controller provides big electric current for electronically controlled proportional valve B, and hydraulic oil begins to divide the filler opening D of cylinder B to flow into lubricating cup fast by clutch, under the effect of clutch assembly B diaphragm spring; Clutch divides the release bearing assembly B rapid axial of cylinder assembly B to move, and detects clutch assembly B Separation up to a minute cylinder position sensor B and eliminates;
(c) the double clutch controller reduces to the electric current that electronically controlled proportional valve B provides; Make clutch divide the hydraulic oil among the cylinder B to reduce from the flow that filler opening D flows into lubricating cup; Make release bearing assembly B move axially speed and slow down, detect the clutch assembly B sliding wear stage up to a minute cylinder position sensor B and finish;
(d) the double clutch controller is given the electric current increase that electronically controlled proportional valve B provides; Make clutch divide the hydraulic oil among the cylinder B to increase from the flow that filler opening D flows into lubricating cup; Making release bearing assembly B move axially speed speeds; After minute cylinder position sensor B detected the initial position before release bearing assembly B returns clutch assembly B separation, the double clutch controller stopped the power supply to electronically controlled proportional valve B, accomplished the engaging process of clutch assembly B;
Step 2: cut-off clutch assembly A:
(A) two-position three way magnetic valve A, two-position three way magnetic valve B, electronically controlled proportional valve A and electronically controlled proportional valve B all are in off-position, and clutch assembly B is in jointing state, and clutch assembly A is in jointing state; Double clutch controller control two-position three way magnetic valve B energising makes second oil pocket of clutch master cylinder be communicated with lubricating cup;
(B) double clutch controller control permanent magnet AC motor rotates; The piston that promotes clutch master cylinder through ball nut and leading screw moves axially; Impel the hydraulic oil in the clutch master cylinder to discharge; Hydraulic oil flows into clutch through oil outlet A and divides among the cylinder A, promotes release bearing assembly A and moves axially, and the diaphragm spring of clutch assembly A impels clutch assembly A to separate;
(C) after the double clutch controller detects the thorough separation of clutch assembly A through a minute cylinder position sensors A; Double clutch controller control two-position three way magnetic valve A energising; Cut off clutch master cylinder and clutch and divide the hydraulic circuit between the cylinder A, and clutch master cylinder is communicated with lubricating cup, divide at clutch that one-way valve A closes under the effect of hydraulic fluid pressure among the cylinder A; Clutch assembly A keeps separated state; After initial position is returned in the counter-rotating of double clutch controller control permanent magnet AC motor, double clutch controller control two-position three way magnetic valve A outage, double clutch controller control two-position three way magnetic valve B outage;
Step 3: engaging clutch assembly A:
(a) double clutch controller control electronically controlled proportional valve A energising is opened; Make clutch divide cylinder A to be communicated with lubricating cup; The double clutch controller provides big electric current for electronically controlled proportional valve A, and hydraulic oil begins to divide the filler opening C of cylinder A to flow into lubricating cup fast by clutch, under the effect of clutch assembly A diaphragm spring; Clutch divides the release bearing assembly A rapid axial of cylinder assembly A to move, and detects clutch assembly A Separation up to a minute cylinder position sensors A and eliminates;
(b) the double clutch controller reduces to the electric current that electronically controlled proportional valve A provides; Make clutch divide the hydraulic oil among the cylinder A to reduce from the flow that filler opening C flows into lubricating cup; Make release bearing assembly A move axially speed and slow down, detect the clutch assembly A sliding wear stage up to a minute cylinder position sensors A and finish;
(c) the double clutch controller is given the electric current increase that electronically controlled proportional valve A provides; Make clutch divide the hydraulic oil among the cylinder A to increase from the flow that filler opening C flows into lubricating cup; Making release bearing assembly A move axially speed speeds; After minute cylinder position sensors A detected the initial position before release bearing assembly A returns clutch assembly A separation, the double clutch controller stopped the power supply to electronically controlled proportional valve A, accomplished clutch assembly A engaging process.
Under described the third mode of operation, clutch assembly A is in jointing state all the time, and it separates connection control method and comprises following step:
Step 1: the separation process of clutch assembly B
(A) two-position three way magnetic valve A, two-position three way magnetic valve B, electronically controlled proportional valve A and electronically controlled proportional valve B all are in off-position, and clutch assembly B is in jointing state; Double clutch controller control two-position three way magnetic valve A energising makes first oil pocket of clutch master cylinder be communicated with lubricating cup; Double clutch controller control permanent magnet AC motor rotates; The piston that promotes clutch master cylinder through ball nut and leading screw moves axially; Impel the hydraulic oil in the clutch master cylinder to discharge; Hydraulic oil flows into clutch from oil outlet B and divides the cylinder B, promotes release bearing assembly B and moves axially, and the diaphragm spring of clutch assembly B impels clutch assembly B to separate;
(B) after the double clutch controller detects the thorough separation of clutch assembly B through a minute cylinder position sensor B; Double clutch controller control two-position three way magnetic valve B energising; Cut off clutch master cylinder and clutch and divide the hydraulic circuit between the cylinder B, and clutch master cylinder is communicated with lubricating cup, divide at clutch that one-way valve B closes under the effect of hydraulic fluid pressure among the cylinder B; Clutch assembly B keeps separated state; After initial position is returned in the counter-rotating of double clutch controller control permanent magnet AC motor, double clutch controller control two-position three way magnetic valve B outage, double clutch controller control two-position three way magnetic valve A outage.
Step 2: the joint of clutch assembly B
(a) two-position three way magnetic valve A, two-position three way magnetic valve B, electronically controlled proportional valve A and electronically controlled proportional valve B all are in off-position, and clutch assembly B is in separated state;
(b) double clutch controller control electronically controlled proportional valve B energising is opened; Make clutch divide cylinder B to be communicated with lubricating cup; The double clutch controller provides big electric current for electronically controlled proportional valve B, and hydraulic oil begins to divide the filler opening D of cylinder B to flow into lubricating cup fast by clutch, under the effect of clutch assembly B diaphragm spring; Clutch divides the release bearing assembly B rapid axial of cylinder assembly B to move, and detects clutch assembly B Separation up to a minute cylinder position sensor B and eliminates;
(c) the double clutch controller reduces to the electric current that electronically controlled proportional valve B provides; Make clutch divide the hydraulic oil among the cylinder B to reduce from the flow that clutch divides the filler opening D of cylinder B to flow into lubricating cup; Make release bearing assembly B move axially speed and slow down, detect the clutch assembly B sliding wear stage up to a minute cylinder position sensor B and finish;
(d) the double clutch controller is given the electric current increase that electronically controlled proportional valve B provides; Make clutch divide the hydraulic oil among the cylinder B to increase from the flow that clutch divides the filler opening D of cylinder B to flow into lubricating cup; Making release bearing assembly B move axially speed speeds; After minute cylinder position sensor B detected the initial position before release bearing assembly B returns clutch assembly B separation, the double clutch controller stopped the power supply to electronically controlled proportional valve B, accomplished the engaging process of clutch assembly B;
Wherein, The engaging speed of clutch assembly A and clutch assembly B is to control through the size of current of double clutch controller adjustment supply electronically controlled proportional valve A and electronically controlled proportional valve B; The size of current in concrete each stage is confirmed according to the actual clutch assembly A that selects for use.
The invention has the advantages that:
1, a kind of double clutch control system provided by the present invention and separation connection control method thereof; Can satisfy of the requirement of the double-clutch mixed power assembly of various degree of mixing, various functional modes to the clutch assembly electric control operation; The double clutch controller all the time according to the optimal separation of clutch assembly A and clutch assembly B with engage rule; Clutch assembly A and clutch assembly B are carried out best separating and Engagement Control; Can realize that the quick of clutch assembly B thoroughly separates, reclaim the possibility that provides maximum for braking energy;
2, a kind of double clutch control system provided by the present invention and AMT speed-changer executing mechanism are independent, make the AMT speed-changer executing mechanism can use hydraulic actuator, also can use electric machine actuating mechanism, thereby make power assembly environmental protection more, and quality is lighter;
3, to divide cylinder be that concentric type divides cylinder to the clutch of a kind of double clutch control system provided by the present invention, simplified the transmission assembling, reduced component, especially reduced axial dimension, helps reducing the axial dimension of power assembly;
4, a kind of double clutch control system provided by the present invention integrates the control system of two cover clutch assemblies, and amount of parts is less, and flexible arrangement;
5, a kind of double clutch control system provided by the present invention adopts permanent magnet AC motor, ball nut, leading screw, and rotatablely moving of motor is transformed into the linear reciprocating motion of clutch master cylinder piston, and structure is unique.
Description of drawings
Fig. 1: the structural drawing of double clutch control system provided by the invention;
Fig. 2: the clutch of double clutch control system provided by the invention divides the structural drawing of cylinder assembly A;
Fig. 3: the clutch of double clutch control system provided by the invention divides the structural drawing of cylinder assembly B.
Among the figure: the 1-permanent magnet AC motor; The 2-clutch master cylinder; The 3-lubricating cup;
4-two-position three way magnetic valve A; 5-two-position three way magnetic valve B; 6-one-way valve A;
7-one-way valve B; 8-electronically controlled proportional valve A; 9-electronically controlled proportional valve B;
The 10-clutch divides cylinder assembly A; The 11-clutch divides cylinder assembly B; 12-ball nut;
The 13-leading screw; 14-double clutch controller; The 15-clutch divides cylinder A;
16-divides the cylinder position sensors A; 17-release bearing assembly A; The 18-clutch divides cylinder B;
19-divides cylinder position sensor B; 20-release bearing assembly B; 201-filler opening A;
202-filler opening B; 203-oil outlet A; 204-oil outlet B;
1501-oil outlet C; 1801-oil outlet D.
Embodiment
Below in conjunction with accompanying drawing the present invention is elaborated.
The present invention proposes a kind of double clutch control system and separates connection control method; Described double clutch control system; As shown in Figure 1, comprise double clutch controller 14, permanent magnet AC motor 1, ball nut 12, leading screw 13, clutch master cylinder 2, lubricating cup 3, two-position three way magnetic valve A4, two-position three way magnetic valve B5, one-way valve A6, one-way valve B7, electronically controlled proportional valve A8, electronically controlled proportional valve B9, clutch point cylinder assembly A10 and clutch point cylinder assembly B11.
Described clutch divides cylinder assembly A10 to comprise that clutch divides cylinder A15, release bearing assembly A17 and divides cylinder position sensors A 16; As shown in Figure 2; Said clutch divides cylinder A15 and release bearing assembly A17 mechanical connection; Described minute cylinder position sensors A 16 is fixed on clutch and divides on the cylinder A15; And be connected with double clutch controller 14 through wire harness, branch cylinder position sensors A 16 is used to detect the position of release bearing assembly A17, and the position information of release bearing assembly A17 is sent to double clutch controller 14.Described clutch divides cylinder assembly B11 to comprise that clutch divides cylinder B18, release bearing assembly B20 and divides cylinder position sensor B19; Described clutch divides cylinder B18 and release bearing assembly B20 mechanical connection; Dividing cylinder position sensor B19 to be fixed on clutch divides on the cylinder B18; And be connected with double clutch controller 14 through wire harness, branch cylinder position sensor B19 is used to detect the position of release bearing assembly B20, and the position information of release bearing assembly B20 is sent to double clutch controller 14.
Described clutch master cylinder 2 one sides have filler opening A201 and filler opening B202, and cylinder interior has two pistons, can form two pressure oil cavities, i.e. first oil pocket and second oil pocket, and one stroke can be realized twice oil extraction.Be connected through oil pipe between filler opening A201 and B202 and the lubricating cup 3, the opposite side of cylinder body has oil outlet A203 and oil outlet B204.
Oil outlet A203 connects two-position three way magnetic valve A4, one-way valve A6 and clutch in order through oil pipe and divides the clutch of cylinder assembly A10 to divide cylinder A15; The 3rd port of two-position three way magnetic valve A4 and lubricating cup 3 link to each other through oil pipe, are used for keeping under the situation of separated state at matching used clutch assembly A, realize the separation of clutch assembly B and the operation of joint; Two-position three way magnetic valve A4 also is connected with double clutch controller 14 through wire harness, receives 14 controls of double clutch controller.
The end of electronically controlled proportional valve A8 is connected to clutch through oil pipe and divides the clutch of cylinder assembly A10 to divide cylinder A15; The other end links to each other with lubricating cup 3 through oil pipe; Electronically controlled proportional valve A8 also is connected with double clutch controller 14 through wire harness; Under the control of double clutch controller 14, realize control to clutch assembly A engaging process;
Oil outlet B204 connects two-position three way magnetic valve B5, one-way valve B7 and clutch in order through oil pipe and divides the clutch of cylinder assembly B11 to divide cylinder B18; Wherein the 3rd of two-position three way magnetic valve B5 the port directly links to each other with lubricating cup 3, keeps at clutch assembly B realizing separation and bonding operation to clutch assembly A under the situation of separated state; Two-position three way magnetic valve B5 also is connected with double clutch controller 14 through wire harness, receives 14 controls of double clutch controller.
The end of electronically controlled proportional valve B9 is connected to clutch through oil pipe and divides the clutch of cylinder assembly B11 to divide cylinder B18; The other end links to each other with lubricating cup 3 through oil pipe; And be connected to double clutch controller 14 through wire harness; Under the control of double clutch controller 14, realize control to clutch assembly B engaging process.
Described one-way valve A6 and one-way valve B7 are used to prevent that piston fluid when return of clutch master cylinder 2 from flowing backwards, and can make clutch assembly A and clutch assembly B keep separated state respectively.
One end of said leading screw 13 and ball nut 12 mechanical connections; The other end of leading screw 13 is connected with the rotor mechanical of permanent magnet AC motor 1; The other end of ball nut 12 is mechanically connected on the piston of clutch master cylinder 2 through the push rod of clutch master cylinder 2; Thereby make rotatablely moving of permanent magnet AC motor 1 be transformed into the straight line motion of clutch master cylinder 2 inner carriers; Permanent magnet AC motor 1 also connects double clutch controller 14 through wire harness, under the control of double clutch controller 14, for clutch assembly A and clutch assembly B separate and bonding operation provides power.
Described clutch divides cylinder A15 and clutch to divide cylinder B18 to be concentric type hydraulic pressure and divides cylinder, and promptly clutch divides cylinder A15 and clutch assembly A at same axis, and clutch divides cylinder B18 and clutch assembly B at same axis.
Clutch divides cylinder assembly A10 and clutch to divide cylinder assembly B11 to be respectively applied for the diaphragm spring that promotes clutch assembly A and clutch assembly B through release bearing assembly A17 and release bearing assembly B19, the separating of realization clutch assembly A and clutch assembly B, bonding operation.
Described electronically controlled proportional valve A8 and electronically controlled proportional valve B9 are preferably normal closed type, and promptly electronically controlled proportional valve A8 and electronically controlled proportional valve B9 all are in closed condition during no electric circuit, after the energising, all can pass through regulating winding electric current, level and smooth control flow rate.
Described clutch assembly A and clutch assembly B are the pushing-type diaphragm spring clutch; Clutch assembly A is used for cutting off or output motor and motor power, cooperates to accomplish choosing shelves, gear-change operation; Clutch assembly B is used for cutting off or the output engine power.
The separation connection control method of a kind of double clutch control system that the present invention proposes comprises the separation Engagement Control of three kinds of mode of operations; The separation Engagement Control of first kind of mode of operation is that pure motor driving, idling charging and braking energy reclaim when needing gear shift; Carry out the separation of clutch assembly B earlier, carry out separation and the Engagement Control of clutch assembly A then; The separation connection control method of second kind of mode of operation is motor and motor driven in common, when motor single driving and engine-driving generating, carries out the joint of clutch assembly B earlier, carries out separation and the Engagement Control of clutch assembly A then; The separation connection control method of the third mode of operation is an engine output power, carries out the short time braking energy when reclaiming, and clutch assembly A is under the situation of jointing state, carries out separation and the Engagement Control of clutch assembly B.
The separation connection control method of described first kind of mode of operation comprises following step:
Step 1: cut-off clutch assembly B
(1) two-position three way magnetic valve A4, two-position three way magnetic valve B5, electronically controlled proportional valve A8 and electronically controlled proportional valve B9 all are in off-position, and one-way valve B7 is in closed condition, and clutch assembly B and clutch assembly A all are in jointing state; The 14 control two-position three way magnetic valve A4 energisings of double clutch controller make first oil pocket of clutch master cylinder be communicated with lubricating cup.Double clutch controller 14 control permanent magnet AC motors 1 rotate; Move axially through ball nut 12 and the piston that leading screw 13 promotes clutch master cylinder 2; Impel the hydraulic oil in the clutch master cylinder 2 to discharge; Hydraulic oil flows into clutch from oil outlet B204 and divides the cylinder B18, promotes release bearing assembly B20 and moves axially, and the diaphragm spring of clutch assembly B impels clutch assembly B to separate;
(B) after double clutch controller 14 detects the thorough separation of clutch assembly B through a minute cylinder position sensor B19; The 14 control two-position three way magnetic valve B5 energisings of double clutch controller; Cut off clutch master cylinder 2 and clutch and divide the hydraulic circuit between the cylinder B18, and clutch master cylinder 2 is communicated with lubricating cup 3, divide at clutch that one-way valve B7 closes under the effect of hydraulic fluid pressure among the cylinder B18; Clutch assembly B keeps separated state; After initial position is returned in 1 counter-rotating of double clutch controller 14 control permanent magnet AC motors, the 14 control two-position three way magnetic valve B5 outages of double clutch controller, the 14 control two-position three way magnetic valve A4 outages of double clutch controller.
Step 2: cut-off clutch assembly A:
(A) two-position three way magnetic valve A4, two-position three way magnetic valve B5, electronically controlled proportional valve A8 and electronically controlled proportional valve B9 all are in off-position, and clutch assembly B is in separated state, and clutch assembly A is in jointing state; The 14 control two-position three way magnetic valve B5 energisings of double clutch controller make second oil pocket of clutch master cylinder 2 be communicated with lubricating cup;
(B) double clutch controller 14 control permanent magnet AC motors 1 quick rotation, the piston that promotes clutch master cylinder 2 through ball nut and leading screw moves axially, and impels the hydraulic oil in the clutch master cylinder 2 to discharge; Hydraulic oil is discharged through oil outlet A203; The two-position three way magnetic valve A4 that flows through pushes one-way valve A6 open, flows into clutch and divides among the cylinder A15; Promote release bearing assembly A17 and move axially, and then clutch assembly A is separated through the diaphragm spring of clutch assembly A.In the separation process of clutch assembly A, the position of dividing cylinder position sensors A 16 to detect release bearing assembly A17 constantly, and the position information of sending release bearing assembly A17 to double clutch controller 14;
(C) after double clutch controller 14 detects the thorough separation of clutch assembly A through a minute cylinder position sensors A 16; The 14 control two-position three way magnetic valve A4 energisings of double clutch controller; Cut off clutch master cylinder 2 and clutch and divide the hydraulic circuit between the cylinder A15, and clutch master cylinder 2 is communicated with lubricating cup 3, divide at clutch that one-way valve A6 closes under the effect of hydraulic fluid pressure among the cylinder A15; Clutch assembly A keeps separated state; After initial position is returned in 1 counter-rotating of double clutch controller 14 control permanent magnet AC motors, the 14 control two-position three way magnetic valve A4 outages of double clutch controller, the 14 control two-position three way magnetic valve B5 outages of double clutch controller;
Step 3: engaging clutch assembly A:
(1) double clutch controller 14 is given electronically controlled proportional valve A8 energising; Make clutch divide cylinder A15 to be communicated with lubricating cup 3; The double clutch controller provides big electric current for electronically controlled proportional valve A8, and hydraulic oil begins to divide the filler opening C1501 of cylinder A15 to flow into lubricating cup 3 by clutch, under the effect of clutch assembly A diaphragm spring; Clutch divides the release bearing assembly A17 of cylinder assembly A10 to move axially, and detects clutch assembly A Separation up to a minute cylinder position sensors A 16 and eliminates;
(2) double clutch controller 14 reduces to the electric current that electronically controlled proportional valve A8 provides; Make clutch divide the hydraulic oil among the cylinder A15 to reduce from the flow that clutch divides the filler opening C1501 of cylinder A15 to flow into lubricating cup 3; Slow down thereby make release bearing assembly A17 move axially speed, detect the clutch assembly A sliding wear stage up to a minute cylinder position sensors A 16 and finish;
(3) detect through a minute cylinder position sensors A 16 after the clutch assembly A sliding wear stage finishes when double clutch controller 14; The electric current of providing for electronically controlled proportional valve A8 increases; Make clutch divide the hydraulic oil among the cylinder A15 to increase from the flow that the filler opening C1501 that divides cylinder A15 from clutch flows into lubricating cup 3; Thereby making release bearing assembly A17 move axially speed speeds; Detect release bearing assembly A17 up to minute cylinder position sensors A 16 and return the initial position before clutch assembly A separates, double clutch controller 14 stops giving electronically controlled proportional valve A8 power supply, accomplishes clutch assembly A engaging process.
The controlling method of described second kind of mode of operation comprises following step:
Step 1: engaging clutch assembly B
(a) clutch assembly B is in separated state; Clutch assembly A is in jointing state; The 14 control electronically controlled proportional valve B9 energisings of double clutch controller are opened, and make clutch divide cylinder B18 to be communicated with lubricating cup 3, and the double clutch controller provides big electric current for electronically controlled proportional valve B9; Hydraulic oil begins to divide the filler opening D1801 of cylinder B18 to flow into lubricating cup 3 fast by clutch; Under the effect of clutch assembly B diaphragm spring, clutch divides the release bearing assembly B20 rapid axial of cylinder assembly B11 to move, and detects clutch assembly B Separation up to a minute cylinder position sensor B19 and eliminates;
(b) double clutch controller 14 reduces to the electric current that electronically controlled proportional valve B9 provides; Make clutch divide the hydraulic oil among the cylinder B18 to reduce from the flow that clutch divides the filler opening D1801 of cylinder B18 to flow into lubricating cup 3; Make release bearing assembly B20 move axially speed and slow down, detect the clutch assembly B sliding wear stage up to a minute cylinder position sensor B19 and finish;
(c) double clutch controller 14 is given the electric current increase that electronically controlled proportional valve B9 provides; Make clutch divide the hydraulic oil among the cylinder B18 to increase from the flow that clutch divides the filler opening D1801 of cylinder B18 to flow into lubricating cup 3; Making release bearing assembly B20 move axially speed speeds; After minute cylinder position sensor B19 detected the initial position before release bearing assembly B20 returns clutch assembly B separation, double clutch controller 14 stopped the power supply to electronically controlled proportional valve B9, accomplished clutch assembly B engaging process;
Step 2: cut-off clutch assembly A:
(A) two-position three way magnetic valve A4, two-position three way magnetic valve B5, electronically controlled proportional valve A8 and electronically controlled proportional valve B9 all are in off-position, and clutch assembly B and clutch assembly A are in jointing state; The 14 control two-position three way magnetic valve B5 energisings of double clutch controller make second oil pocket of clutch master cylinder 2 be communicated with lubricating cup;
(B) double clutch controller 14 control permanent magnet AC motors 1 quick rotation, the piston that promotes clutch master cylinder 2 through ball nut and leading screw moves axially, and impels the hydraulic oil in the clutch master cylinder 2 to discharge; Hydraulic oil is discharged through oil outlet A203; The two-position three way magnetic valve A4 that flows through pushes one-way valve A6 open, flows into clutch and divides among the cylinder A15; Promote release bearing assembly A17 and move axially, and then clutch assembly A is separated through the diaphragm spring of clutch assembly A.In the separation process of clutch assembly A, the position of dividing cylinder position sensors A 16 to detect release bearing assembly A17 constantly, and the position information of sending release bearing assembly A17 to double clutch controller 14;
(C) after double clutch controller 14 detects the thorough separation of clutch assembly A through a minute cylinder position sensors A 16; The 14 control two-position three way magnetic valve A4 energisings of double clutch controller; Cut off clutch master cylinder 2 and clutch and divide the hydraulic circuit between the cylinder A15, and clutch master cylinder 2 is communicated with lubricating cup 3, divide at clutch that one-way valve A6 closes under the effect of hydraulic fluid pressure among the cylinder A15; Clutch assembly A keeps separated state; After initial position is returned in 1 counter-rotating of double clutch controller 14 control permanent magnet AC motors, the 14 control two-position three way magnetic valve A4 outages of double clutch controller, the 14 control two-position three way magnetic valve B5 outages of double clutch controller.
Step 3: engaging clutch assembly A:
(1) double clutch controller 14 is given electronically controlled proportional valve A8 energising; Make clutch divide cylinder A15 to be communicated with lubricating cup 3; The double clutch controller provides big electric current for electronically controlled proportional valve A8, and hydraulic oil begins to divide the filler opening C1501 of cylinder A15 to flow into lubricating cup 2 by clutch, under the effect of clutch assembly A diaphragm spring; Clutch divides the release bearing assembly A17 of cylinder assembly A10 to move axially, and detects clutch assembly A Separation up to a minute cylinder position sensors A and eliminates;
(2) double clutch controller 14 reduces to the electric current that electronically controlled proportional valve A8 provides; Make clutch divide the hydraulic oil among the cylinder A15 to reduce from the flow that clutch divides the filler opening C1501 of cylinder A15 to flow into lubricating cup 3; Slow down thereby make release bearing assembly A17 move axially speed, detect the clutch assembly A sliding wear stage up to a minute cylinder position sensors A 16 and finish;
(3) detect through a minute cylinder position sensors A 16 after the clutch assembly A sliding wear stage finishes when double clutch controller 14; The electric current of providing for electronically controlled proportional valve A8 increases; Make clutch divide the hydraulic oil among the cylinder A15 to increase from the flow that clutch divides the filler opening C1501 of cylinder A15 to flow into lubricating cup 3; Thereby making release bearing assembly A17 move axially speed speeds; Detect release bearing assembly A17 up to minute cylinder position sensors A 16 and return the initial position before clutch assembly A separates, double clutch controller 14 stops giving electronically controlled proportional valve A8 power supply, accomplishes clutch's jointing process.
Under described the third mode of operation, clutch assembly A is in jointing state all the time, and its separation connection control method comprises following step:
Step 1: cut-off clutch assembly B
(1) two-position three way magnetic valve A4, two-position three way magnetic valve B5, electronically controlled proportional valve A8 and electronically controlled proportional valve B9 all are in off-position, and one-way valve B7 is in closed condition, and clutch assembly B is in jointing state; The 14 control two-position three way magnetic valve A4 energisings of double clutch controller make first oil pocket of clutch master cylinder be communicated with lubricating cup 3.
Double clutch controller 14 control permanent magnet AC motors 1 rotate; Move axially through ball nut 12 and the piston that leading screw 13 promotes clutch master cylinder 2; Impel the hydraulic oil in the clutch master cylinder 2 to discharge; Hydraulic oil flows into clutch from oil outlet B204 and divides the cylinder B18, promotes release bearing assembly B20 and moves axially, and the diaphragm spring of clutch assembly B impels clutch assembly B to separate;
(B) after double clutch controller 14 detects the thorough separation of clutch assembly B through a minute cylinder position sensor B19; The 14 control two-position three way magnetic valve B5 energisings of double clutch controller; Cut off clutch master cylinder 2 and clutch and divide the hydraulic circuit between the cylinder B18, and clutch master cylinder 2 is communicated with lubricating cup 3, divide at clutch that one-way valve B7 closes under the effect of hydraulic fluid pressure among the cylinder B18; Clutch assembly B keeps separated state; After initial position is returned in 1 counter-rotating of double clutch controller 14 control permanent magnet AC motors, the 14 control two-position three way magnetic valve B5 outages of double clutch controller, the 14 control two-position three way magnetic valve A4 outages of double clutch controller.
Step 2: engaging clutch assembly B:
(a) the 14 control electronically controlled proportional valve B9 energisings of double clutch controller are opened; Make clutch divide cylinder B18 to be communicated with lubricating cup 3; The double clutch controller provides big electric current for electronically controlled proportional valve B9, and hydraulic oil begins to divide the filler opening D1801 of cylinder B18 to flow into lubricating cup 3 fast by clutch, under the effect of clutch assembly B diaphragm spring; Clutch divides the release bearing assembly B20 rapid axial of cylinder assembly B11 to move, and detects clutch assembly B Separation up to a minute cylinder position sensor B19 and eliminates;
(b) double clutch controller 14 reduces to the electric current that electronically controlled proportional valve B9 provides; Make clutch divide the hydraulic oil among the cylinder B18 to reduce from the flow that clutch divides the filler opening D1801 of cylinder B18 to flow into lubricating cup 3; Make release bearing assembly B20 move axially speed and slow down, detect the clutch assembly B sliding wear stage up to a minute cylinder position sensor B19 and finish;
(c) double clutch controller 14 is given the electric current increase that electronically controlled proportional valve B9 provides; Make clutch divide the hydraulic oil among the cylinder B18 to increase from the flow that clutch divides the filler opening D1801 of cylinder B18 to flow into lubricating cup 3; Making release bearing assembly B20 move axially speed speeds; After minute cylinder position sensor B19 detected the initial position before release bearing assembly B20 returns clutch assembly B separation, double clutch controller 14 stopped the power supply to electronically controlled proportional valve B9, accomplished clutch assembly B engaging process;
Wherein, the engaging speed of clutch assembly A and clutch assembly B is to control through the size of current of control supply electronically controlled proportional valve A8 and electronically controlled proportional valve B9 respectively, and specifically the size of current in each stage is confirmed according to the actual clutch assembly A that selects for use.

Claims (6)

1. a double clutch control system is characterized in that: comprise double clutch controller, permanent magnet AC motor, ball nut, leading screw, clutch master cylinder, lubricating cup, two-position three way magnetic valve A, two-position three way magnetic valve B, one-way valve A, one-way valve B, electronically controlled proportional valve A, electronically controlled proportional valve B, clutch point cylinder assembly A and clutch point cylinder assembly B;
Described clutch divides cylinder assembly A to comprise that clutch divides cylinder A, release bearing assembly A and divides the cylinder position sensors A; Clutch divides cylinder A and release bearing assembly A mechanical connection; Divide the cylinder position sensors A to be installed in the lower surface that clutch divides cylinder A, and be connected with the double clutch controller through wire harness; Described clutch divides cylinder assembly B to comprise that clutch divides cylinder B, release bearing assembly B and divides cylinder position sensor B; Clutch divides cylinder B and release bearing assembly B mechanical connection; Divide cylinder position sensor B to be installed in the lower surface that clutch divides cylinder B, and be connected with the double clutch controller through wire harness;
One side of described clutch master cylinder has filler opening A and filler opening B, and the opposite side of cylinder body has oil outlet A and oil outlet B; Described two filler openings connect lubricating cup respectively through oil pipe; Described oil outlet A connects two-position three way magnetic valve A, one-way valve A and clutch in order through oil pipe and divides the clutch among the cylinder assembly A to divide cylinder A, and wherein the 3rd of two-position three way magnetic valve A the port links to each other with lubricating cup; Described clutch divides between cylinder A and the lubricating cup and is connected electronically controlled proportional valve A;
Described oil outlet B connects two-position three way magnetic valve B, one-way valve B and clutch in order through oil pipe and divides the clutch among the cylinder assembly B to divide cylinder B; The 3rd port of two-position three way magnetic valve B links to each other with lubricating cup; Described clutch divides between cylinder B and the lubricating cup and is connected electronically controlled proportional valve B;
One end of described ball nut is the rotor of mechanical connection leading screw and permanent magnet AC motor in order, and the other end of ball nut is mechanically connected on the piston of clutch master cylinder through the push rod of clutch master cylinder;
Described electronically controlled proportional valve A, electronically controlled proportional valve B, two-position three way magnetic valve A, two-position three way magnetic valve B and permanent magnet AC motor are connected the double clutch controller through wire harness respectively.
2. a kind of double clutch control system according to claim 1 is characterized in that: described clutch divides cylinder A and clutch to divide cylinder B to be concentric type hydraulic pressure and divides cylinder.
3. a kind of double clutch control system according to claim 1 is characterized in that: described electronically controlled proportional valve A and electronically controlled proportional valve B are normal closed type.
4. a double clutch control system is separated connection control method; It is characterized in that: comprise three kinds of separation connection control methods under the mode of operation; Separation connection control method under first kind of mode of operation is that pure motor driving, idling charging or braking energy reclaim when needing gear shift; Carry out the separation of clutch assembly B earlier, carry out separation and the connection control method of clutch assembly A then; When the separation connection control method under second kind of mode of operation is motor and motor driven in common, motor single driving or engine-driving generating, carry out the joint of clutch assembly B earlier, carry out separation and the connection control method of clutch assembly A then; Separation connection control method under the third mode of operation is an engine output power, carries out the short time braking energy when reclaiming, and clutch assembly A is under the situation of jointing state, carries out separation and the Engagement Control of clutch assembly B;
The separation connection control method of described first kind of mode of operation comprises following step:
Step 1: cut-off clutch assembly B
A: two-position three way magnetic valve A, two-position three way magnetic valve B, electronically controlled proportional valve A and electronically controlled proportional valve B all are in off-position, and clutch assembly B and clutch assembly A are in jointing state; Double clutch controller control two-position three way magnetic valve A energising makes first oil pocket of clutch master cylinder be communicated with lubricating cup; Double clutch controller control permanent magnet AC motor rotates; The piston that promotes clutch master cylinder through ball nut and leading screw moves axially; Impel the hydraulic oil in the clutch master cylinder to discharge; Hydraulic oil flows into clutch from oil outlet B and divides the cylinder B, promotes release bearing assembly B and moves axially, and the diaphragm spring of clutch assembly B impels clutch assembly B to separate;
B: after the double clutch controller detects the thorough separation of clutch assembly B through a minute cylinder position sensor B; Double clutch controller control two-position three way magnetic valve B energising; Cut off clutch master cylinder and clutch and divide the hydraulic circuit between the cylinder B, and clutch master cylinder is communicated with lubricating cup, divide at clutch that one-way valve B closes under the effect of hydraulic fluid pressure among the cylinder B; Clutch assembly B keeps separated state; After initial position is returned in the counter-rotating of double clutch controller control permanent magnet AC motor, double clutch controller control two-position three way magnetic valve B outage, double clutch controller control two-position three way magnetic valve A outage;
Step 2: cut-off clutch assembly A:
C: two-position three way magnetic valve A, two-position three way magnetic valve B, electronically controlled proportional valve A and electronically controlled proportional valve B all are in off-position; Clutch assembly B is in separated state; Clutch assembly A is in jointing state; Double clutch controller control two-position three way magnetic valve B energising makes second oil pocket of clutch master cylinder be communicated with lubricating cup;
D: double clutch controller control permanent magnet AC motor rotates; The piston that promotes clutch master cylinder through ball nut and leading screw moves axially; Impel the hydraulic oil in the clutch master cylinder to discharge through oil outlet A; Hydraulic oil flows into clutch and divides among the cylinder A, promotes release bearing assembly A and moves axially, and the diaphragm spring of clutch assembly A impels clutch assembly A to separate;
E: after the double clutch controller detects the thorough separation of clutch assembly A through a minute cylinder position sensors A; Double clutch controller control two-position three way magnetic valve A energising; Cut off clutch master cylinder and clutch and divide the hydraulic circuit between the cylinder A, and clutch master cylinder is communicated with lubricating cup, divide at clutch that one-way valve A closes under the effect of hydraulic fluid pressure among the cylinder A; Clutch assembly A keeps separated state; After initial position is returned in the counter-rotating of double clutch controller control permanent magnet AC motor, double clutch controller control two-position three way magnetic valve A outage, double clutch controller control two-position three way magnetic valve B outage;
Step 3: engaging clutch assembly A:
F: double clutch controller control electronically controlled proportional valve A energising is opened; Make clutch divide cylinder A to be communicated with lubricating cup; The double clutch controller provides big electric current for electronically controlled proportional valve A, and hydraulic oil begins to divide the filler opening C of cylinder A to flow into lubricating cup fast by clutch, under the effect of clutch assembly A diaphragm spring; Clutch divides the release bearing assembly A rapid axial of cylinder assembly A to move, and detects clutch assembly A Separation up to a minute cylinder position sensors A and eliminates;
G: the electric current that the double clutch controller provides for electronically controlled proportional valve A reduces; Make clutch divide the hydraulic oil among the cylinder A to reduce from the flow that clutch divides the filler opening C of cylinder A to flow into lubricating cup; Make release bearing assembly A move axially speed and slow down, detect the clutch assembly A sliding wear stage up to a minute cylinder position sensors A and finish;
H: the electric current that the double clutch controller provides for electronically controlled proportional valve A increases; Make clutch divide the hydraulic oil among the cylinder A to increase from the flow that clutch divides the filler opening C of cylinder A to flow into lubricating cup; Making release bearing assembly A move axially speed speeds; After minute cylinder position sensors A detected the initial position before release bearing assembly A returns clutch assembly A separation, the double clutch controller stopped the power supply to electronically controlled proportional valve A, accomplished the engaging process of clutch assembly A;
The separation connection control method of described second kind of mode of operation comprises following step:
Step 1: engaging clutch assembly B:
A: two-position three way magnetic valve A, two-position three way magnetic valve B, electronically controlled proportional valve A and electronically controlled proportional valve B all are in off-position, and clutch assembly A is in jointing state, and clutch assembly B is in separated state;
B: double clutch controller control electronically controlled proportional valve B energising is opened; Make clutch divide cylinder B to be communicated with lubricating cup; The double clutch controller provides big electric current for electronically controlled proportional valve B, and hydraulic oil begins to divide the filler opening D of cylinder B to flow into lubricating cup fast by clutch, under the effect of clutch assembly B diaphragm spring; Clutch divides the release bearing assembly B rapid axial of cylinder assembly B to move, and detects clutch assembly B Separation up to a minute cylinder position sensor B and eliminates;
C: the electric current that the double clutch controller provides for electronically controlled proportional valve B reduces; Make clutch divide the hydraulic oil among the cylinder B to reduce from the flow that clutch divides cylinder B filler opening D to flow into lubricating cup; Make release bearing assembly B move axially speed and slow down, detect the clutch assembly B sliding wear stage up to a minute cylinder position sensor B and finish;
D: the electric current that the double clutch controller provides for electronically controlled proportional valve B increases; Make clutch divide the hydraulic oil among the cylinder B to increase from the flow that filler opening D flows into lubricating cup; Making release bearing assembly B move axially speed speeds; After minute cylinder position sensor B detected the initial position before release bearing assembly B returns clutch assembly B separation, the double clutch controller stopped the power supply to electronically controlled proportional valve B, accomplished the engaging process of clutch assembly B;
Step 2: cut-off clutch assembly A:
E: two-position three way magnetic valve A, two-position three way magnetic valve B, electronically controlled proportional valve A and electronically controlled proportional valve B all are in off-position; Clutch assembly B is in separated state; Clutch assembly A is in jointing state; Double clutch controller control two-position three way magnetic valve B energising makes second oil pocket of clutch master cylinder be communicated with lubricating cup;
F: double clutch controller control permanent magnet AC motor rotates; The piston that promotes clutch master cylinder through ball nut and leading screw moves axially; Impel the hydraulic oil in the clutch master cylinder to discharge; Hydraulic oil flows into clutch through oil outlet A and divides among the cylinder A, promotes release bearing assembly A and moves axially, and the diaphragm spring of clutch assembly A impels clutch assembly A to separate;
G: after the double clutch controller detects the thorough separation of clutch assembly A through a minute cylinder position sensors A; Double clutch controller control two-position three way magnetic valve A energising; Cut off clutch master cylinder and clutch and divide the hydraulic circuit between the cylinder A, and clutch master cylinder is communicated with lubricating cup, divide at clutch that one-way valve A closes under the effect of hydraulic fluid pressure among the cylinder A; Clutch assembly A keeps separated state; After initial position is returned in the counter-rotating of double clutch controller control permanent magnet AC motor, double clutch controller control two-position three way magnetic valve A outage, double clutch controller control two-position three way magnetic valve B outage;
Step 3: engaging clutch assembly A:
H: double clutch controller control electronically controlled proportional valve A energising is opened; Make clutch divide cylinder A to be communicated with lubricating cup; The double clutch controller provides big electric current for electronically controlled proportional valve A, and hydraulic oil begins to divide the filler opening C of cylinder A to flow into lubricating cup fast by clutch, under the effect of clutch assembly A diaphragm spring; Clutch divides the release bearing assembly A rapid axial of cylinder assembly A to move, and detects clutch assembly A Separation up to a minute cylinder position sensors A and eliminates;
I: the electric current that the double clutch controller provides for electronically controlled proportional valve A reduces; Make clutch divide among the cylinder A hydraulic oil from the clutch flow that divides the filler opening C of cylinder A to flow into lubricating cup reduce; Make release bearing assembly A move axially speed and slow down, detect the clutch assembly A sliding wear stage up to a minute cylinder position sensors A and finish;
J: the electric current that the double clutch controller provides for electronically controlled proportional valve A increases; Make clutch divide the hydraulic oil among the cylinder A to increase from the flow that clutch divides the filler opening C of cylinder A to flow into lubricating cup; Making release bearing assembly A move axially speed speeds; After minute cylinder position sensors A detected the initial position before release bearing assembly A returns clutch assembly A separation, the double clutch controller stopped the power supply to electronically controlled proportional valve A, accomplished clutch assembly A engaging process;
The separation connection control method of described the third mode of operation comprises following step:
Step 1: cut-off clutch assembly B:
A: two-position three way magnetic valve A, two-position three way magnetic valve B, electronically controlled proportional valve A and electronically controlled proportional valve B all are in off-position, and clutch assembly B is in jointing state; Double clutch controller control two-position three way magnetic valve A energising makes first oil pocket of clutch master cylinder be communicated with lubricating cup; Double clutch controller control permanent magnet AC motor rotates; The piston that promotes clutch master cylinder through ball nut and leading screw moves axially; Impel the hydraulic oil in the clutch master cylinder to discharge; Hydraulic oil flows into clutch from oil outlet B and divides the cylinder B, promotes release bearing assembly B and moves axially, and the diaphragm spring of clutch assembly B impels clutch assembly B to separate;
B: after the double clutch controller detects the thorough separation of clutch assembly B through a minute cylinder position sensor B; Double clutch controller control two-position three way magnetic valve B energising; Cut off clutch master cylinder and clutch and divide the hydraulic circuit between the cylinder B, and clutch master cylinder is communicated with lubricating cup, divide at clutch that one-way valve B closes under the effect of hydraulic fluid pressure among the cylinder B; Clutch assembly B keeps separated state; After initial position is returned in the counter-rotating of double clutch controller control permanent magnet AC motor, double clutch controller control two-position three way magnetic valve B outage, double clutch controller control two-position three way magnetic valve A outage.
Step 2: engaging clutch assembly B:
C: two-position three way magnetic valve A, two-position three way magnetic valve B, electronically controlled proportional valve A and electronically controlled proportional valve B all are in off-position, and clutch assembly B is in separated state; D: double clutch controller control electronically controlled proportional valve B energising is opened; Make clutch divide cylinder B to be communicated with lubricating cup; The double clutch controller provides big electric current for electronically controlled proportional valve B, and hydraulic oil begins to divide the filler opening D of cylinder B to flow into lubricating cup fast by clutch, under the effect of clutch assembly B diaphragm spring; Clutch divides the release bearing assembly B rapid axial of cylinder assembly B to move, and detects clutch assembly B Separation up to a minute cylinder position sensor B and eliminates;
E: the electric current that the double clutch controller provides for electronically controlled proportional valve B reduces; Make clutch divide the hydraulic oil among the cylinder B to reduce from the flow that clutch divides the filler opening D of cylinder B to flow into lubricating cup; Make release bearing assembly B move axially speed and slow down, detect the clutch assembly B sliding wear stage up to a minute cylinder position sensor B and finish;
F: the electric current that the double clutch controller provides for electronically controlled proportional valve B increases; Make clutch divide the hydraulic oil among the cylinder B to increase from the flow that clutch divides the filler opening D of cylinder B to flow into lubricating cup; Making release bearing assembly B move axially speed speeds; After minute cylinder position sensor B detected the initial position before release bearing assembly B returns clutch assembly B separation, the double clutch controller stopped the power supply to electronically controlled proportional valve B, accomplished the engaging process of clutch assembly B.
5. double clutch control system according to claim 4 is separated connection control method, and it is characterized in that: described clutch assembly A and clutch assembly B are the pushing-type diaphragm spring clutch; Clutch assembly A is used for cutting off or output motor and motor power, cooperates to accomplish choosing shelves, gear-change operation; Clutch assembly B is used for cutting off or the output engine power.
6. double clutch control system according to claim 4 is separated connection control method, it is characterized in that: the engaging speed of described clutch assembly A and clutch assembly B is to control through the size of current of control double clutch controller supply electronically controlled proportional valve A and electronically controlled proportional valve B respectively.
CN2010102566701A 2010-08-18 2010-08-18 Double clutch operation system and separation and combination control method thereof Expired - Fee Related CN101943227B (en)

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