CN105605215A - Hydraulic control method and system - Google Patents
Hydraulic control method and system Download PDFInfo
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- CN105605215A CN105605215A CN201610048137.3A CN201610048137A CN105605215A CN 105605215 A CN105605215 A CN 105605215A CN 201610048137 A CN201610048137 A CN 201610048137A CN 105605215 A CN105605215 A CN 105605215A
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- slide valve
- regulating slide
- valve
- control
- oil
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 33
- 230000000694 effects Effects 0.000 claims abstract description 19
- 230000008859 change Effects 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 351
- 235000019198 oils Nutrition 0.000 claims description 316
- 235000015112 vegetable and seed oil Nutrition 0.000 claims description 72
- 239000012530 fluid Substances 0.000 claims description 33
- 230000001276 controlling effect Effects 0.000 claims description 26
- 230000009471 action Effects 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 2
- 241001076939 Artines Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000012508 change request Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0003—Arrangement or mounting of elements of the control apparatus, e.g. valve assemblies or snapfittings of valves; Arrangements of the control unit on or in the transmission gearbox
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/0021—Generation or control of line pressure
- F16H61/0025—Supply of control fluid; Pumps therefore
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0262—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic
- F16H61/0265—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
- F16H61/0267—Layout of hydraulic control circuits, e.g. arrangement of valves
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a hydraulic control method and system, and belongs to the technical field of automotive transmissions. The hydraulic control system comprises a first oil path and a second oil path, wherein the first oil path is provided with a first pressure control unit; the second oil path is provided with a second pressure control unit; a first pressure controller comprises at least four slide valves; the second pressure control unit comprises at least three solenoid valves and at least two slide valves; the first pressure control unit is used for inputting oil pressure to the second oil path according to preset pressure under the function of the oil pressure output by an oil pump; the first pressure control unit and the second pressure control unit are used for controlling a hydraulic torque converter, an advance and reverse gear mechanism and a speed change mechanism under the function of the oil pressure. According to the hydraulic control system, the problems of complex structure, large energy loss and high cost of the hydraulic control system as well as low transmission efficiency of an infinitely variable transmission in the prior art are solved, and effects on simplifying the structure of the hydraulic control system, reducing energy loss, lowering cost and improving the transmission efficiency of the infinitely variable transmission are realized.
Description
Technical field
The present invention relates to automotive transmission technical field, particularly a kind of hydraulic control method and system.
Background technology
The buncher arranging in vehicle comprises fluid torque-converter, advance reverse gear mechanism and gear, itsIn, fluid torque-converter is realized starting function by lock-up clutch; The reverse gear mechanism that advances passes through epicyclic trainSystem, forward gear clutch and reverse clutch, realize advance, the function of neutral gear, reverse gear; Gear is logicalCross driving pulley and driving pulley oil cylinder, driven pulley and driven pulley oil cylinder, driving-belt, realize gear ratioContinuously change and the transmission of moment of torsion. In order to realize the function of buncher, need one to be used for controlling nothingThe hydraulic control system of level speed changer.
In prior art, have a kind of hydraulic control system, this hydraulic control system comprises first order control module,This first order control module comprises that containing forward gear clutch control valve, reverse clutch control valve, fluid power becomesSquare device locking control valve, actuating cylinder pressure-control valve, slave cylinder pressure-control valve and principal pressure pressure regulator valve.Wherein, forward gear clutch control valve and reverse clutch control valve are used for realizing forward gear clutch or reverse gearClutch smooth and steady ground combination, hydraulic torque converter lockout control valve is for realizing the lock-up clutch of fluid torque-converterCombination, actuating cylinder pressure-control valve is for regulating the pressure of driving pulley oil cylinder, the control of slave cylinder pressureValve processed is for regulating the pressure of driven pulley oil cylinder, and the fluid of pressurization is transported to hydraulic control system by oil pumpWorking connection, principal pressure pressure regulator valve is for regulating the oil pressure of working connection.
Because control valve and the pressure regulator valve of first order control module in above-mentioned hydraulic control system are all by accordinglyGuiding valve is controlled, and guiding valve is again to be controlled by magnetic valve, contains multiple cunnings so hydraulic control system also comprisesThe second level control module of valve, and the third level control module that contains multiple magnetic valves, simultaneously first order controlThe forward gear clutch control valve of unit and reverse clutch control valve, hydraulic torque converter lockout control valve, masterMoving oil cylinder working-pressure control valve, slave cylinder pressure-control valve, principal pressure pressure regulator valve all need independently to control,So the quantity of the guiding valve of second level control module is more, the quantity of the magnetic valve in third level control moduleMany, therefore, the structure of hydraulic control system is more complicated, and energy loss is larger, the higher and infinitely variable speeds of costThe transmission efficiency of device is lower.
Summary of the invention
More complicated in order to solve in prior art the structure of hydraulic control system, energy loss is larger, and costThe lower problem of transmission efficiency of height and buncher, the invention provides a kind of hydraulic control method and isSystem. Described technical scheme is as follows:
First aspect, provides a kind of hydraulic control system, and described hydraulic control system comprises: the first oil circuitWith the second oil circuit,
The entrance of described the first oil circuit is connected with the oily delivery side of pump of vehicle, and described the first oil circuit is provided with firstPressure control unit, described the second oil circuit is the branch's oil circuit on described the first oil circuit, described the second oil circuit is establishedBe equipped with the second pressure control unit, described the first pressure controller comprises at least 4 guiding valves, and described second pressesPower control module comprises at least 3 magnetic valves and at least 2 guiding valves;
Under the effect of described the first pressure control unit for the oil pressure in described oil pump output, described oil pressure is pressedInput to described the second oil circuit according to preset pressure;
Described the first pressure control unit and described the second pressure control unit are under the effect of described oil pressureControl buncher fluid torque-converter, reverse gear mechanism and gear advance.
Optionally, described the first pressure control unit comprises: decompressed slide valve, the first regulating slide valve, second are adjustedJoint guiding valve, the 3rd regulating slide valve, described the second pressure control unit comprises: the first magnetic valve, the second electromagnetismValve, the 3rd magnetic valve, the 4th regulating slide valve, the 5th regulating slide valve,
Described decompressed slide valve is connected with described the second oil circuit, for described oil pressure is defeated according to described preset pressureGo out to described the second oil circuit;
Described the first magnetic valve is connected with described the first regulating slide valve and described the second regulating slide valve respectively, forRegulate the oil pressure in described the second oil circuit, and export respectively the oil pressure after regulating to described the first regulating slide valveWith described the second regulating slide valve, to control described the first regulating slide valve and described the second regulating slide valve;
Described the second regulating slide valve is connected with the driven pulley of described gear, at described the first electromagnetismUnder the control of valve, control described driven pulley;
Described the first regulating slide valve is connected with described the 5th regulating slide valve, for the control at described the first magnetic valveDescribed the 5th regulating slide valve of the lower control of system;
Described the second magnetic valve is connected with described the 3rd regulating slide valve, for regulating the oil of described the second oil circuitPress, and export the oil pressure after regulating to described the 3rd regulating slide valve, to control described the 3rd regulating slide valve;
Described the 3rd regulating slide valve is connected with the driving pulley of described gear, at described the second electromagnetismUnder the control of valve, control described driving pulley;
Described the 3rd magnetic valve is connected with described the 4th regulating slide valve and described the 5th regulating slide valve respectively, forRegulate the oil pressure in described the second oil circuit, and export respectively the oil pressure after regulating to described the 4th regulating slide valveWith described the 5th regulating slide valve, to control described the 4th regulating slide valve and described the 5th regulating slide valve;
Described the 4th regulating slide valve respectively with reverse clutch and the forward gear clutch of the described reverse gear mechanism that advancesConnect, for controlling described reverse clutch under the control at described the 3rd magnetic valve, or at described the 3rd electricityUnder the control of magnet valve, control described forward gear clutch;
Described the 5th regulating slide valve connects with lock-up clutch and the transmission oil cooler of described fluid torque-converter respectivelyConnect, for controlling described lock-up clutch under the control at described the first regulating slide valve and described the 3rd magnetic valve,Or under the control of described the first regulating slide valve, control transmission oil cooler.
Optionally, described the second regulating slide valve is connected with described driven pulley by the first seed oil road;
Described the first regulating slide valve is connected with described the 5th regulating slide valve by the second seed oil road;
Described the 3rd regulating slide valve is connected with described driving pulley by the 3rd seed oil road;
Described the 5th regulating slide valve is connected with described lock-up clutch with the 5th seed oil road by the 4th seed oil road,Described the 5th regulating slide valve is connected with described transmission oil cooler by the 6th seed oil road.
Optionally, described the second pressure control unit also comprises: mechanical commutation valve,
Described the 4th regulating slide valve by described mechanical commutation valve respectively with described reverse clutch and described in advanceShelves clutch connects.
Optionally, described the 4th regulating slide valve is connected with described mechanical commutation valve by the 7th seed oil road;
Described mechanical commutation valve is connected with described reverse clutch by the 8th seed oil road;
Described mechanical commutation valve is connected with described forward gear clutch by the 9th seed oil road.
Second aspect, provides a kind of hydraulic control method, and described method comprises:
Described in the first pressure control unit on the first oil circuit is incited somebody to action under the effect of the oil pressure of the oil pump output of vehicleOil pressure inputs to the second oil circuit according to preset pressure, and described the first pressure controller comprises at least 4 guiding valves;
The second pressure control unit on described the first pressure control unit and the second oil circuit is at the work of described oil pressureWith the fluid torque-converter of lower control buncher, advance reverse gear mechanism and gear, described the second pressureControl module comprises at least 3 magnetic valves and at least 2 guiding valves.
Optionally, described the first pressure control unit comprises: decompressed slide valve, the first regulating slide valve, second are adjustedJoint guiding valve, the 3rd regulating slide valve, described the second pressure control unit comprises: the first magnetic valve, the second electromagnetismValve, the 3rd magnetic valve, the 4th regulating slide valve, the 5th regulating slide valve, described the first pressure control unit andThe second pressure control unit on two oil circuits is controlled the hydraulic moment changeable of buncher under the effect of described oil pressureDevice, advance reverse gear mechanism and gear, comprising:
Described decompressed slide valve exports described oil pressure to described the second oil circuit according to described preset pressure;
Described the first magnetic valve regulates the oil pressure in described the second oil circuit, and the oil pressure after regulating is exported respectivelyTo described the first regulating slide valve and described the second regulating slide valve, to control described the first regulating slide valve and described theTwo regulating slide valves;
Described the second regulating slide valve is controlled the driven belt of described gear under the control of described the first magnetic valveWheel;
Described the first regulating slide valve is controlled described the 5th regulating slide valve under the control of described the first magnetic valve;
Described the second magnetic valve regulates the oil pressure in described the second oil circuit, and exports the oil pressure after regulating to instituteState the 3rd regulating slide valve, to control described the 3rd regulating slide valve;
Described the 3rd regulating slide valve is controlled the active band of described gear under the control of described the second magnetic valveWheel;
Described the 3rd magnetic valve regulates the oil pressure in described the second oil circuit, and the oil pressure after regulating is exported respectivelyTo described the 4th regulating slide valve and described the 5th regulating slide valve, to control described the 4th regulating slide valve and described theFive regulating slide valves;
Described the 4th regulating slide valve the falling of reverse gear mechanism that advance described in controlling under the control of described the 3rd magnetic valveShelves clutch, or described the 4th regulating slide valve reverse gear of advancing described in controlling under the control of described the 3rd magnetic valveThe forward gear clutch of mechanism;
Described the 5th regulating slide valve is controlled institute under the control of described the first regulating slide valve and described the 3rd magnetic valveState the lock-up clutch of fluid torque-converter, or described the 5th regulating slide valve is in the control of described the first regulating slide valveLower control transmission oil cooler.
Optionally, described the second regulating slide valve is controlled described gear under the control of described the first magnetic valveDriven pulley, comprising:
Described the second regulating slide valve under the control of described the first magnetic valve by the first seed oil road control described fromMovable belt pulley;
Described the first regulating slide valve is controlled described the 5th regulating slide valve under the control of described the first magnetic valve, bagDraw together:
Described the first regulating slide valve controls described by the second seed oil road under the control of described the first magnetic valveFive regulating slide valves;
Described the 3rd regulating slide valve is controlled the active band of described gear under the control of described the second magnetic valveWheel, comprising:
Described the 3rd regulating slide valve is controlled described master by the 3rd seed oil road under the control of described the second magnetic valveMovable belt pulley;
Described the 5th regulating slide valve is controlled institute under the control of described the first regulating slide valve and described the 3rd magnetic valveThe lock-up clutch of stating fluid torque-converter, comprising:
Described the 5th regulating slide valve is controlled described lock by the 4th seed oil road under the control of described the 3rd magnetic valveOnly clutch,
Or described the 5th regulating slide valve is controlled institute in the control of described the first regulating slide valve by the 5th seed oil roadState lock-up clutch;
Described the 5th regulating slide valve is controlled transmission oil cooler under the control of described the first regulating slide valve, comprising:
Described the 5th regulating slide valve is controlled speed change by the 6th seed oil road under the control of described the first regulating slide valveDevice oil cooler.
Optionally, described the second pressure control unit also comprises: mechanical commutation valve,
Described the 4th regulating slide valve the falling of reverse gear mechanism that advance described in controlling under the control of described the 3rd magnetic valveShelves clutch, comprising:
Described the 4th regulating slide valve under the control of described the 3rd magnetic valve by described mechanical commutation valve control instituteState reverse clutch;
Described the 4th regulating slide valve advance described in controlling under the control of described the 3rd magnetic valve reverse gear mechanism beforeEnter a grade clutch, comprising:
Described the 4th regulating slide valve under the control of described the 3rd magnetic valve by described mechanical commutation valve control instituteState forward gear clutch.
Optionally, described the 4th regulating slide valve under the control of described the 3rd magnetic valve by described mechanical commutationReverse clutch described in valve control, comprising:
Described the 4th regulating slide valve is controlled described machine by the 7th seed oil road under the control of described the 3rd magnetic valveTool reversal valve;
Described mechanical commutation valve is controlled described under the control of described the 4th regulating slide valve by the 8th seed oil roadShelves clutch;
Described the 4th regulating slide valve under the control of described the 3rd magnetic valve by described mechanical commutation valve control instituteState forward gear clutch, comprising:
Described the 4th regulating slide valve is controlled institute by described the 7th seed oil road under the control of described the 3rd magnetic valveState mechanical commutation valve;
Before described mechanical commutation valve is described by the 9th seed oil road control under the control of described the 4th regulating slide valveEnter a grade clutch.
The invention provides a kind of hydraulic control method and system, because this hydraulic control system comprises the first oilRoad and the second oil circuit, the first oil circuit is provided with the first pressure control unit, and the first pressure controller comprises at least 4Individual guiding valve, the second oil circuit is provided with the second pressure control unit, and the second pressure control unit comprises at least 3Magnetic valve and at least 2 guiding valves, what the first pressure control unit and the second pressure control unit can be at oil pressureFluid torque-converter, advance reverse gear mechanism and the gear of the lower control buncher of effect, compared to existingTechnology, has simplified the structure of hydraulic control system, has reduced the energy loss of hydraulic control system, has reducedCost and improved the transmission efficiency of buncher.
Should be understood that, it is only exemplary and explanatory that above general description and details are hereinafter described,Can not limit the present invention.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, institute in describing embodiment belowNeed the accompanying drawing using to be briefly described, apparently, the accompanying drawing in the following describes is only the present inventionSome embodiment, for those of ordinary skill in the art, do not paying under the prerequisite of creative work,Can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1-1st, the structural representation of a kind of hydraulic control system that the embodiment of the present invention provides;
Fig. 1-2 is the structural representation of the another kind of hydraulic control system that provides of the embodiment of the present invention;
Fig. 1-3rd, the curve of the oil pressure of control oil pressure, main oil pressure and driven pulley that the embodiment of the present invention provides showsIntention;
Fig. 1-4th, the oil of control oil pressure that the embodiment of the present invention provides, clutch pressure, lock-up clutch combinationPress the curve synoptic diagram of the oil pressure separating with lock-up clutch;
Fig. 1-5th, the structural representation of buncher of the prior art;
Fig. 2-1st, the flow chart of a kind of hydraulic control method that the embodiment of the present invention provides;
Fig. 2-2nd, the fluid torque-converter of the control buncher that the embodiment of the present invention provides, reverse gear mechanism advancesFlow chart with gear.
By above-mentioned accompanying drawing, the embodiment that the present invention is clear and definite has been shown, will there is hereinafter more detailed description.These accompanying drawings and text description are not the scope in order to limit the present invention's design by any mode, but logicalCross with reference to specific embodiment for those skilled in the art illustrate concept of the present invention.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing to the present inventionEmbodiment is described in further detail.
The embodiment of the present invention provides a kind of hydraulic control system, as Figure 1-1, and this hydraulic control system bagDraw together: the first oil circuit 2 and the second oil circuit 19.
Wherein, the entrance of the first oil circuit 2 (being working connection) is connected with the outlet of the oil pump 1 of vehicle, the first oilIt is on the first oil circuit 2 that road 2 is provided with the first pressure control unit 100, the second oil circuits 19 (being auxiliary oil circuit)Branch's oil circuit, the second oil circuit 19 is provided with the second pressure control unit 200, the first pressure controllers 100Comprise at least 4 guiding valves, the second pressure control unit 200 comprises at least 3 magnetic valves and at least 2 cunningsValve.
The first pressure control unit 100 under the effect of the oil pressure exported at oil pump 1 by oil pressure according to defaultPressure inputs to the second oil circuit 19.
The first pressure control unit 100 and the second pressure control unit 200 for controlling under the effect of oil pressureThe fluid torque-converter of buncher 001, reverse gear mechanism and gear advance.
In sum, the hydraulic control system that the embodiment of the present invention provides, because this hydraulic control system comprisesThe first oil circuit and the second oil circuit, the first oil circuit is provided with the first pressure control unit, the first pressure controller bagDraw together at least 4 guiding valves, the second oil circuit is provided with the second pressure control unit, and the second pressure control unit comprisesAt least 3 magnetic valves and at least 2 guiding valves, the first pressure control unit and the second pressure control unit canUnder the effect of oil pressure, control the fluid torque-converter of buncher, advance reverse gear mechanism and gear, phase, in prior art, simplify the structure of hydraulic control system, reduced the energy loss of hydraulic control system,Reduce cost and improved the transmission efficiency of buncher.
Further, as shown in Figure 1-2, the first pressure control unit comprises: decompressed slide valve 7, the first adjustingGuiding valve 5, the second regulating slide valve 3, the 3rd regulating slide valve 8, the second pressure control units comprise: the first electromagnetismValve 6, the second magnetic valve 10, the 3rd magnetic valve 15, the 4th regulating slide valve 14, the 5th regulating slide valve 16.
Decompressed slide valve 7 is connected with the second oil circuit 19, for exporting oil pressure to second oil circuit according to preset pressure19。
The first magnetic valve 6 is connected with the first regulating slide valve 5 and the second regulating slide valve 3 respectively, for regulatingOil pressure in two oil circuits 19, and export respectively the oil pressure after regulating to the first regulating slide valve 5 and the second adjustingGuiding valve 3, to control the first regulating slide valve 5 and the second regulating slide valve 3. The first magnetic valve 6 is to the second oil circuit 19Oil pressure regulate, then the oil pressure after regulating is acted on respectively to the first regulating slide valve 5 and second and regulates slidingValve 3, realizes the control to the first regulating slide valve 5 and the second regulating slide valve 3.
Fig. 1-3 show the curve synoptic diagram of the oil pressure of controlling oil pressure, main oil pressure and driven pulley, by Fig. 1-2Known, the oil pressure that the first magnetic valve 6 is exported is for controlling oil pressure, and the oil pressure that the first regulating slide valve 5 is exported is mainOil pressure, the oil pressure that the second regulating slide valve 3 is exported is the oil pressure of driven pulley 4. Whole in order to give by main oil pressureIndividual hydraulic control system provides oil pressure, example, the minimum of a value that the oil pressure of the first oil circuit 2 can be set is 6,The unit of oil pressure is bar (bar). As Figure 1-3, the process changing at the control oil pressure of the first magnetic valve 6In, when the oil pressure of exporting when the first regulating slide valve 5 is greater than 6bar, the oil pressure that the second regulating slide valve 3 is exported isThe oil pressure on the first seed oil road 20 is identical with the variation tendency of the oil pressure that the first regulating slide valve 5 is exported, and second regulatesThe oil pressure that guiding valve 3 is exported can be identical with the oil pressure that the first regulating slide valve 5 is exported, and the second regulating slide valve 3 is defeatedThe oil pressure going out also can be slightly less than the oil pressure that the first regulating slide valve 5 is exported. When first regulating slide valve 5 is exportedWhen oil pressure reaches minimum of a value (6bar), the oil pressure that the first regulating slide valve 5 is exported no longer changes, and now,The oil pressure that the second regulating slide valve 3 is exported continues to change along with the variation of the control oil pressure of the first magnetic valve 6,Finally, the oil pressure that the second regulating slide valve 3 is exported is 0. So far, having controlled first by the first magnetic valve 6 adjustsJoint guiding valve 5 and the second regulating slide valve 3, realized valve by smaller amounts pressure and the master to driven pulley 4Oil pressure carries out the independent effect of controlling, and can obtain by this control procedure the steel belt clamping power that accuracy is higher,Meet better the speed change request of vehicle. Abscissa in Fig. 1-3 is electric current, and this electric current is the first magnetic valveElectric current on 6, the unit of electric current is peace (A).
As shown in Figure 1-2, the second regulating slide valve 3 is connected with the driven pulley 4 of gear, for firstUnder the control of magnetic valve 6, control driven pulley 4. Concrete, the second regulating slide valve 3 is by the first seed oil road20 are connected with driven pulley 4, thus the oil pressure after the second regulating slide valve 3 being regulated by the first seed oil road 20Export driven pulley 4 to.
As shown in Figure 1-2, the first regulating slide valve 5 is connected with the 5th regulating slide valve 16, at the first electromagnetismUnder the control of valve 6, control the 5th regulating slide valve 16. Concrete, the first regulating slide valve 5 is by the second seed oil road28 are connected with the 5th regulating slide valve 16.
As shown in Figure 1-2, the second magnetic valve 10 is connected with the 3rd regulating slide valve 8, for regulating the second oil circuitOil pressure in 19, and export the oil pressure after regulating to the 3rd regulating slide valve 8, to control the 3rd regulating slide valve 8.The second magnetic valve 10 regulates the oil pressure in the second oil circuit 19, then by the oil pressure effect to the after regulatingThree regulating slide valves 8, and then the oil pressure of adjusting driving pulley 9.
As shown in Figure 1-2, the 3rd regulating slide valve 8 is connected with the driving pulley 9 of gear, for secondUnder the control of magnetic valve 10, control driving pulley 9. Concrete, the 3rd regulating slide valve 8 is by the 3rd seed oil road21 are connected with driving pulley 9, thus the oil pressure after the 3rd regulating slide valve 8 being regulated by the 3rd seed oil road 21Export driving pulley 9 to.
As shown in Figure 1-2, the 3rd magnetic valve 15 respectively with the 4th regulating slide valve 14 and the 5th regulating slide valve 16Connect, for regulating the oil pressure of the second oil circuit 19, and export respectively the oil pressure after regulating to the 4th adjustingGuiding valve 14 and the 5th regulating slide valve 16, to control the 4th regulating slide valve 14 and the 5th regulating slide valve 16. The 3rdMagnetic valve 15 regulates the oil pressure in the second oil circuit 19, then the oil pressure after regulating is acted on respectively to theFour regulating slide valves 14 and the 5th regulating slide valve 16, realize the 4th regulating slide valve 14 and the 5th regulating slide valve 16Control.
Fig. 1-4 show controls oil pressure, clutch (reverse clutch or forward gear clutch) oil pressure, lockingThe curve synoptic diagram of the oil pressure that the oil pressure of clutch combination separates with lock-up clutch. From Fig. 1-2, the 3rdThe oil pressure that magnetic valve 15 is exported is for controlling oil pressure, and the oil pressure that the 4th regulating slide valve 14 is exported comprises reverse gear clutchThe oil pressure of the oil pressure of device 11 and forward gear clutch 12, the oil pressure that the 5th regulating slide valve 16 is exported comprises lockingThe oil pressure that the oil pressure of clutch 17 combinations separates with lock-up clutch 17. As Figure 1-4, when the 3rd electromagnetismWhen the control oil pressure of valve 15 is maximum, the oil pressure that the 4th regulating slide valve 14 is exported is 0, lock-up clutchThe oil pressure of 17 combinations is 0, and the oil pressure that lock-up clutch 17 separates is maximum a (a=3). Along with the 3rd electricityReducing of the control oil pressure of magnet valve 15, the oil pressure that the 4th regulating slide valve 14 is exported increases gradually, when the 3rd electricityWhen the control oil pressure of magnet valve 15 is reduced to certain value, the oil pressure that the 4th regulating slide valve 14 is exported reaches maximum b(b=15),, in this process, the oil pressure of lock-up clutch 17 combinations remains unchanged. Along with the 3rd magnetic valveFurther reducing of 15 control oil pressure, and while being reduced to certain value, the oil pressure that lock-up clutch 17 separates leavesBegin to reduce gradually from maximum, be finally decreased to 0, afterwards, the oil pressure of lock-up clutch 17 combinations increases graduallyGreatly, finally increase to maximum c (c=6). So far, controlled the 4th adjusting by the 3rd magnetic valve 15 slidingValve 14 and the 5th regulating slide valve 16, realized by the valve of smaller amounts and having completed in the time that vehicle start travels, and fallsShelves clutch 11 or the first combination of forward gear clutch 12, the control procedure of lock-up clutch 17 rear combinations; CompleteBecome in the time that vehicle deceleration stops, lock-up clutch 17 first separates, reverse clutch 11 or forward gear clutchThe control procedure of 12 rear separation. Abscissa in Fig. 1-4 is electric current, and this electric current is on the 3rd magnetic valve 15Electric current, the unit of electric current is A.
As shown in Figure 1-2, the 4th regulating slide valve 14 respectively with the reverse clutch 11 of the reverse gear mechanism that advances and frontEnter grade clutch 12 and connect, for controlling reverse clutch 11 under the control at the 3rd magnetic valve 15, orUnder the control of the 3rd magnetic valve 15, control forward gear clutch 12.
As shown in Figure 1-2, the 5th regulating slide valve 16 respectively with lock-up clutch 17 and the speed change of fluid torque-converterDevice oil cooler 18 connects, for controlling locking under the control at the first regulating slide valve 5 and the 3rd magnetic valve 15Clutch 17, or under the control of the first regulating slide valve 5, control transmission oil cooler 18. Concrete, the 5thRegulating slide valve 16 is connected with lock-up clutch 17 with the 5th seed oil road 26 by the 4th seed oil road 25, and the 5thRegulating slide valve 16 is connected with transmission oil cooler 18 by the 6th seed oil road 27. By this structure, on the one hand,Can pass through the 5th regulating slide valve 16, export the oil pressure on the second seed oil road 28 to the 5th seed oil road 26, realExisting lock-up clutch 17 separates oil cylinder, or passes through the 5th regulating slide valve 16 by defeated the oil pressure on the second seed oil road 28Go out to the 6th seed oil road 27, realize the control to transmission oil cooler 18. On the other hand, can be by the 5thRegulating slide valve 16, exports the oil pressure of the second oil circuit 19 to the 4th seed oil road 25, realizes lock-up clutch 17In conjunction with oil cylinder.
Further, as shown in Figure 1-2, the second pressure control unit also comprises: mechanical commutation valve 13. MachineTool reversal valve 13 is for realizing the mechanical interlocked switching of reverse clutch 11 and forward gear clutch 12.
As shown in Figure 1-2, the 4th regulating slide valve 14 by mechanical commutation valve 13 respectively with reverse clutch 11Be connected with forward gear clutch 12. Concrete, the 4th regulating slide valve 14 is by the 7th seed oil road 22 and machineryReversal valve 13 connects, and mechanical commutation valve 13 is connected with reverse clutch 11 by the 8th seed oil road 23, machineTool reversal valve 13 is connected with forward gear clutch 12 by the 9th seed oil road 24. By this structure, Ke YitongThe oil pressure of crossing after the 7th seed oil road 22 regulates the 4th regulating slide valve 14 exports mechanical commutation valve 13, machinery toReversal valve 13 exports the oil pressure after this adjusting to reverse clutch 11 by the 8th seed oil road 23 again. Pass throughThis structure, the oil pressure after can the 4th regulating slide valve 14 being regulated by the 7th seed oil road 22 exports machinery toReversal valve 13, mechanical commutation valve 13 exports the oil pressure after this adjusting to advance to by the 9th seed oil road 24 againShelves clutch 12.
Fig. 1-5 show the structural representation of buncher in prior art, and as Figure 1-5, this is steplessSpeed changer comprises fluid torque-converter 310, reverse gear mechanism 320 and gear advance.
Wherein, fluid torque-converter 310 is for realizing starting function, and fluid torque-converter 310 starts with vehicleMachine connects. Fluid torque-converter 310 is provided with lock-up clutch 311, in the time of vehicle start, and lock-up clutch311 separate, and fluid torque-converter 310 can amplify input torque corresponding engine, absorbs vehicle simultaneously and risesThe impact producing when step, in the time that the speed of starting exceedes preset vehicle speed, lock-up clutch 311 combinations, makeThe power that engine produces is passed to wheel 312.
Advance that reverse gear mechanism 320 advances for realizing, the function of neutral gear and reverse gear. Reverse gear mechanism 320 advancesComprise a set of planetary gear system (Fig. 1-5 do not draw), forward gear clutch 321 and reverse clutch 322.Forward gear clutch 321 and reverse clutch 322 are realized interlocking by mechanical part, forward gear clutch 321With reverse clutch 322 cannot be simultaneously in conjunction with the security of operation of the reverse gear mechanism 320 of guaranteeing to advance. As frontEnter 321 combinations of grade clutch, when reverse clutch 322 separates, buncher is in drive shift state,Separate at forward gear clutch 321, reverse clutch 322 in conjunction with time, buncher is in the state of reversing gear;In the time that forward gear clutch 321 all separates with reverse clutch 322, buncher is in neutral position state.
Gear is for realizing continuously changing and the function of the transmission of moment of torsion of gear ratio. Gear comprisesDriving pulley 331, driven pulley 332, driving pulley oil cylinder 333, driven pulley oil cylinder 334 and driving-belt(Fig. 1-5 do not draw). Gear is by changing oil pressure and the driven pulley oil cylinder of driving pulley oil cylinder 333334 oil pressure, moves axially the movable vertebra dish on driving pulley 331 and driven pulley 332, thereby changesBecome the engagement radius of driving-belt on driving pulley 331 and driven pulley 332, gear ratio changes. ByContinuously change in engagement radius, so gear ratio also continuously changes.
In order to make the moment of torsion of buncher output and rotating speed can meet the service requirement of vehicle, infinitely variable speedsDevice also comprises reduction gearing 340. In addition, 350 in Fig. 1-5 are differential mechanism, and differential mechanism 350 can make carWheel 312 is with different speed rotations.
In order to realize the function of the buncher shown in Fig. 1-5, (this function comprises starting function, advances, skyThe function of shelves and reverse gear, gear ratio continuously changes function), all need to regulate control by hydraulic control systemThe oil pressure of infinitely variable speeds Zhong Ge mechanism, as controlled the separation oil pressure of lock-up clutch and in conjunction with oil pressure by adjustingRealize starting function; Control the oil pressure of forward gear clutch and the oil pressure of reverse clutch by adjusting, realizeAdvance, the function of neutral gear and reverse gear; Control oil pressure and the driven pulley oil cylinder of driving pulley oil cylinder by adjustingOil pressure realize the function that gear ratio continuously changes. For buncher, in the time that gear ratio is different,The oil pressure of driving pulley is different with the oil pressure of driven pulley. Under normal circumstances, in the time that gear ratio is minimum of a value,The oil pressure of driving pulley is the twice left and right of the oil pressure of driven pulley. In the time that gear ratio is maximum, initiatively bandThe oil pressure of wheel is 4/5ths left and right of the oil pressure of driven pulley. In control procedure, main oil pressure need to be greater thanMaximum in the oil pressure of driving pulley and the oil pressure of driven pulley. For the convenient oil pressure that regulates driving pulleyWith the oil pressure of driven pulley, ensure that the oil pressure of driving pulley and the oil pressure of driven pulley, all lower than main oil pressure, needTo control respectively main oil pressure by magnetic valve, the oil pressure of driving pulley and the oil pressure of driven pulley. In addition, byAll independently to carry out work in the lock-up clutch of forward gear clutch, reverse clutch and fluid torque-converter,So need to control respectively forward gear clutch, reverse clutch and lock-up clutch by magnetic valve.
It should be added that, hydraulic control system of the prior art, in order to control buncher, needsWill at least 5 magnetic valves and at least 11 guiding valves, the structure of hydraulic control system is more complicated, and energy loss isGreatly, cost transmission efficiency higher and buncher is lower. And the embodiment of the present invention provides a kind of automobile-usedThe hydraulic control system of buncher, as shown in Figure 1-2, the first oil circuit 2 of this hydraulic control system arrangesHave 4 guiding valves, these 4 guiding valves are respectively that the oil pressure for oil pump 1 is exported exports to according to preset pressureThe decompressed slide valve 7 of the second oil circuit 19, for regulating first regulating slide valve 5 of main oil pressure of the first oil circuit 2,For regulate driven pulley 4 oil pressure second regulating slide valve 3 and for regulating the oil pressure of driving pulley 9The 3rd regulating slide valve 8. The second oil circuit 19 of this hydraulic control system is provided with 2 guiding valves and 3 magnetic valves,Wherein, 2 guiding valves are respectively oil pressure for regulating reverse clutch 11 and the oil pressure of forward gear clutch 12The 4th regulating slide valve 14, for regulate fluid torque-converter lock-up clutch 17 oil pressure the 5th regulate slidingValve 16. 3 magnetic valves are respectively the first electricity for controlling the first regulating slide valve 5 and the second regulating slide valve 3Magnet valve 6, for controlling the second magnetic valve 10 of the 3rd regulating slide valve 8 and for controlling the 4th regulating slide valve 14The 3rd magnetic valve 15 with the 5th regulating slide valve 16. In addition, in order to realize reverse clutch 11 and drive shiftThe mechanical interlocked switching of clutch 12, the 4th regulating slide valve 14 and the reverse clutch that advances (be drive shift fromClose device 12 and reverse clutch 11) be provided with mechanical commutation valve 13 between piston oil circuit.
The hydraulic control system that the embodiment of the present invention provides is stepless by magnetic valve and the guiding valve control of smaller amountsSpeed changer, makes buncher realize starting function, advances, the function of neutral gear and reverse gear, and gear ratio is continuousChange function. Relatively simple for structure due to this hydraulic control system, so greatly reduce hydraulic control systemThe cost of system, has reduced the leakage of hydraulic control system, has reduced the energy loss of hydraulic control system, carriesThe high transmission efficiency of buncher.
In sum, the hydraulic control system that the embodiment of the present invention provides, because this hydraulic control system comprisesThe first oil circuit and the second oil circuit, the first oil circuit is provided with the first pressure control unit, the first pressure controller bagDraw together at least 4 guiding valves, the second oil circuit is provided with the second pressure control unit, and the second pressure control unit comprisesAt least 3 magnetic valves and at least 2 guiding valves, the first pressure control unit and the second pressure control unit canUnder the effect of oil pressure, control the fluid torque-converter of buncher, advance reverse gear mechanism and gear, phase, in prior art, simplify the structure of hydraulic control system, reduced the energy loss of hydraulic control system,Reduce cost and improved the transmission efficiency of buncher.
The embodiment of the present invention provides a kind of hydraulic control method, and as shown in Fig. 2-1, the method comprises:
The first pressure control unit on step 201, the first oil circuit is in the effect of the oil pressure of the oil pump output of vehicleLower oil pressure is inputed to the second oil circuit according to preset pressure, the first pressure controller comprises at least 4 guiding valves.
The second pressure control unit on step 202, the first pressure control unit and the second oil circuit is at the work of oil pressureWith the fluid torque-converter of lower control buncher, advance reverse gear mechanism and gear, the second pressure controlUnit comprises at least 3 magnetic valves and at least 2 guiding valves.
In sum, the hydraulic control method that the embodiment of the present invention provides, presses by first on the first oil circuitPower control module inputs to second by oil pressure according to preset pressure under the effect of the oil pressure of the oil pump output of vehicleOil circuit, and by the second pressure control unit on the first pressure control unit and the second oil circuit the work at oil pressureWith the fluid torque-converter of lower control buncher, advance reverse gear mechanism and gear, and the first pressure controlDevice processed comprises at least 4 guiding valves, and the second pressure control unit comprises at least 3 magnetic valves and at least 2 cunningsValve, compared to prior art, has simplified the process of hydraulic control method, has reduced the energy of hydraulic control systemAmount loss, has reduced cost and has improved the transmission efficiency of buncher.
Optionally, the first pressure control unit comprises: decompressed slide valve, the first regulating slide valve, second regulate slidingValve, the 3rd regulating slide valve, the second pressure control unit comprises: the first magnetic valve, the second magnetic valve, the 3rdMagnetic valve, the 4th regulating slide valve, the 5th regulating slide valve.
As shown in Fig. 2-2, step 202 can comprise:
Step 2021, decompressed slide valve export oil pressure to second oil circuit according to preset pressure.
As shown in Figure 1-2, decompressed slide valve 7 exports oil pressure to second oil circuit 19 according to preset pressure.
Step 2022, the first magnetic valve regulate the oil pressure in the second oil circuit, and by defeated respectively the oil pressure after regulatingGo out to the first regulating slide valve and the second regulating slide valve, to control the first regulating slide valve and the second regulating slide valve.
As shown in Figure 1-2, the first magnetic valve 6 regulates the oil pressure in the second oil circuit 19, and by the oil after regulatingPress and export respectively the first regulating slide valve 5 and the second regulating slide valve 3 to, to control the first regulating slide valve 5 and secondRegulating slide valve 3.
Step 2023, the second regulating slide valve are controlled the driven pulley of gear under the control of the first magnetic valve.
As shown in Figure 1-2, the second regulating slide valve 3 under the control of the first magnetic valve 6, control gear fromMovable belt pulley 4.
Step 2024, the first regulating slide valve are controlled the 5th regulating slide valve under the control of the first magnetic valve.
As shown in Figure 1-2, the first regulating slide valve 5 is controlled the 5th regulating slide valve under the control of the first magnetic valve 616。
Step 2025, the second magnetic valve regulate the oil pressure in the second oil circuit, and the oil pressure after regulating is exported toThe 3rd regulating slide valve, to control the 3rd regulating slide valve.
As shown in Figure 1-2, the second magnetic valve 10 regulates the oil pressure in the second oil circuit 19, and by the oil after regulatingPressure exports the 3rd regulating slide valve 8 to, to control the 3rd regulating slide valve 8.
Step 2026, the 3rd regulating slide valve are controlled the driving pulley of gear under the control of the second magnetic valve.
As shown in Figure 1-2, the 3rd regulating slide valve 8 is controlled gear under the control of the second magnetic valve 10Driving pulley 9.
Step 2027, the 3rd magnetic valve regulate the oil pressure in the second oil circuit, and by defeated respectively the oil pressure after regulatingGo out to the 4th regulating slide valve and the 5th regulating slide valve, to control the 4th regulating slide valve and the 5th regulating slide valve.
As shown in Figure 1-2, the 3rd magnetic valve 15 regulates the oil pressure in the second oil circuit 19, and by the oil after regulatingPress and export respectively the 4th regulating slide valve 14 and the 5th regulating slide valve 16 to, to control the 4th regulating slide valve 14 HesThe 5th regulating slide valve 16.
Step 2028, the 4th regulating slide valve are controlled the reverse gear of the reverse gear mechanism that advances under the control of the 3rd magnetic valveClutch, or the 4th regulating slide valve drive shift of controlling the reverse gear mechanism that advances under the control of the 3rd magnetic valve fromClose device.
As shown in Figure 1-2, the 4th regulating slide valve 14 is controlled the reverse gear machine that advances under the control of the 3rd magnetic valve 15The reverse clutch 11 of structure, or the 4th regulating slide valve 14 is controlled and is advanced down under the control of the 3rd magnetic valve 15The forward gear clutch 12 of gear mechanism.
Step 2029, the 5th regulating slide valve are controlled fluid power under the control of the first regulating slide valve and the 3rd magnetic valveThe lock-up clutch of torque-converters, or the 5th regulating slide valve is controlled transmission oil under the control of the first regulating slide valveCooler.
As shown in Figure 1-2, the 5th regulating slide valve 16 is in the control of the first regulating slide valve 5 and the 3rd magnetic valve 15The lock-up clutch 17 of lower control fluid torque-converter, or the 5th regulating slide valve 16 is in the control of the first regulating slide valve 5The lower transmission oil cooler 18 of controlling of system.
Step 2023 can comprise: the second regulating slide valve passes through the first seed oil road under the control of the first magnetic valveControl driven pulley.
As shown in Figure 1-2, the second regulating slide valve 3 passes through the first seed oil road under the control of the first magnetic valve 620 control driven pulley 4.
Step 2024 can comprise: the first regulating slide valve passes through the second seed oil road under the control of the first magnetic valveControl the 5th regulating slide valve.
As shown in Figure 1-2, the first regulating slide valve 5 passes through the second seed oil road under the control of the first magnetic valve 628 control the 5th regulating slide valve 16.
Step 2026 can comprise: the 3rd regulating slide valve passes through the 3rd seed oil road under the control of the second magnetic valveControl driving pulley.
As shown in Figure 1-2, the 3rd regulating slide valve 8 passes through the 3rd seed oil road under the control of the second magnetic valve 1021 control driving pulley 9.
With reference to Fig. 1-2, the 5th regulating slide valve is controlled fluid power under the control of the first regulating slide valve and the 3rd magnetic valveThe lock-up clutch of torque-converters, can comprise: the 5th regulating slide valve 16 is under the control of the 3rd magnetic valve 15Control lock-up clutch 17 by the 4th seed oil road 25, or the 5th regulating slide valve 16 is at the first regulating slide valve 5Control control lock-up clutch 17 by the 5th seed oil road 26.
The 5th regulating slide valve is controlled transmission oil cooler under the control of the first regulating slide valve, can comprise: theFive regulating slide valves 16 are controlled speed changer oil cooling by the 6th seed oil road 27 under the control of the first regulating slide valve 5Device 18.
Optionally, as shown in Figure 1-2, the second pressure control unit also comprises: mechanical commutation valve 13. Corresponding, the 4th regulating slide valve is controlled the reverse clutch of the reverse gear mechanism that advances under the control of the 3rd magnetic valve, canTo comprise: the 4th regulating slide valve 14 is controlled by mechanical commutation valve 13 under the control of the 3rd magnetic valve 15Shelves clutch 11.
The 4th regulating slide valve is controlled the forward gear clutch of the reverse gear mechanism that advances under the control of the 3rd magnetic valve,Can comprise: the 4th regulating slide valve 14 is controlled by mechanical commutation valve 13 under the control of the 3rd magnetic valve 15Forward gear clutch 12.
Concrete, the 4th regulating slide valve under the control of the 3rd magnetic valve by mechanical commutation valve control reverse gear fromClose device, can comprise:
The 4th regulating slide valve 14 is controlled machinery by the 7th seed oil road 22 and is changed under the control of the 3rd magnetic valve 15To valve 13;
Mechanical commutation valve 13 under the control of the 4th regulating slide valve 14 by the 8th seed oil road 23 control reverse gear fromClose device 11.
Concrete, the 4th regulating slide valve passes through mechanical commutation valve control drive shift under the control of the 3rd magnetic valveClutch, comprising:
The 4th regulating slide valve 14 is controlled machinery by the 7th seed oil road 22 and is changed under the control of the 3rd magnetic valve 15To valve 13;
Mechanical commutation valve 13 is controlled drive shift by the 9th seed oil road 24 under the control of the 4th regulating slide valve 14Clutch 12.
It should be noted that, the sequencing of the hydraulic control method step that the embodiment of the present invention provides can enterRow is suitably adjusted, and step also can according to circumstances be carried out corresponding increase and decrease, any technology of being familiar with the artIn the technical scope that personnel disclose in the present invention, can expect easily the method for variation, all should be encompassed in the present inventionProtection domain within, therefore repeat no more.
In sum, the hydraulic control method that the embodiment of the present invention provides, presses by first on the first oil circuitPower control module inputs to second by oil pressure according to preset pressure under the effect of the oil pressure of the oil pump output of vehicleOil circuit, and by the second pressure control unit on the first pressure control unit and the second oil circuit the work at oil pressureWith the fluid torque-converter of lower control buncher, advance reverse gear mechanism and gear, and the first pressure controlDevice processed comprises at least 4 guiding valves, and the second pressure control unit comprises at least 3 magnetic valves and at least 2 cunningsValve, compared to prior art, has simplified the process of hydraulic control method, has reduced the energy of hydraulic control systemAmount loss, has reduced cost and has improved the transmission efficiency of buncher.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all of the present inventionWithin spirit and principle, any amendment of doing, be equal to replacement, improvement etc., all should be included in of the present inventionWithin protection domain.
Claims (10)
1. a hydraulic control system, is characterized in that, described hydraulic control system comprises: the first oil circuit andThe second oil circuit,
The entrance of described the first oil circuit is connected with the oily delivery side of pump of vehicle, and described the first oil circuit is provided with firstPressure control unit, described the second oil circuit is the branch's oil circuit on described the first oil circuit, described the second oil circuit is establishedBe equipped with the second pressure control unit, described the first pressure controller comprises at least 4 guiding valves, and described second pressesPower control module comprises at least 3 magnetic valves and at least 2 guiding valves;
Under the effect of described the first pressure control unit for the oil pressure in described oil pump output, described oil pressure is pressedInput to described the second oil circuit according to preset pressure;
Described the first pressure control unit and described the second pressure control unit are under the effect of described oil pressureControl buncher fluid torque-converter, reverse gear mechanism and gear advance.
2. hydraulic control system according to claim 1, is characterized in that, described the first pressure controlUnit comprises: decompressed slide valve, the first regulating slide valve, the second regulating slide valve, the 3rd regulating slide valve, describedTwo pressure control units comprise: the first magnetic valve, the second magnetic valve, the 3rd magnetic valve, the 4th regulating slide valve,The 5th regulating slide valve,
Described decompressed slide valve is connected with described the second oil circuit, for described oil pressure is defeated according to described preset pressureGo out to described the second oil circuit;
Described the first magnetic valve is connected with described the first regulating slide valve and described the second regulating slide valve respectively, forRegulate the oil pressure in described the second oil circuit, and export respectively the oil pressure after regulating to described the first regulating slide valveWith described the second regulating slide valve, to control described the first regulating slide valve and described the second regulating slide valve;
Described the second regulating slide valve is connected with the driven pulley of described gear, at described the first electromagnetismUnder the control of valve, control described driven pulley;
Described the first regulating slide valve is connected with described the 5th regulating slide valve, for the control at described the first magnetic valveDescribed the 5th regulating slide valve of the lower control of system;
Described the second magnetic valve is connected with described the 3rd regulating slide valve, for regulating the oil of described the second oil circuitPress, and export the oil pressure after regulating to described the 3rd regulating slide valve, to control described the 3rd regulating slide valve;
Described the 3rd regulating slide valve is connected with the driving pulley of described gear, at described the second electromagnetismUnder the control of valve, control described driving pulley;
Described the 3rd magnetic valve is connected with described the 4th regulating slide valve and described the 5th regulating slide valve respectively, forRegulate the oil pressure in described the second oil circuit, and export respectively the oil pressure after regulating to described the 4th regulating slide valveWith described the 5th regulating slide valve, to control described the 4th regulating slide valve and described the 5th regulating slide valve;
Described the 4th regulating slide valve respectively with reverse clutch and the forward gear clutch of the described reverse gear mechanism that advancesConnect, for controlling described reverse clutch under the control at described the 3rd magnetic valve, or at described the 3rd electricityUnder the control of magnet valve, control described forward gear clutch;
Described the 5th regulating slide valve connects with lock-up clutch and the transmission oil cooler of described fluid torque-converter respectivelyConnect, for controlling described lock-up clutch under the control at described the first regulating slide valve and described the 3rd magnetic valve,Or under the control of described the first regulating slide valve, control transmission oil cooler.
3. hydraulic control system according to claim 2, is characterized in that,
Described the second regulating slide valve is connected with described driven pulley by the first seed oil road;
Described the first regulating slide valve is connected with described the 5th regulating slide valve by the second seed oil road;
Described the 3rd regulating slide valve is connected with described driving pulley by the 3rd seed oil road;
Described the 5th regulating slide valve is connected with described lock-up clutch with the 5th seed oil road by the 4th seed oil road,Described the 5th regulating slide valve is connected with described transmission oil cooler by the 6th seed oil road.
4. hydraulic control system according to claim 2, is characterized in that, described the second pressure controlUnit also comprises: mechanical commutation valve,
Described the 4th regulating slide valve by described mechanical commutation valve respectively with described reverse clutch and described in advanceShelves clutch connects.
5. hydraulic control system according to claim 4, is characterized in that,
Described the 4th regulating slide valve is connected with described mechanical commutation valve by the 7th seed oil road;
Described mechanical commutation valve is connected with described reverse clutch by the 8th seed oil road;
Described mechanical commutation valve is connected with described forward gear clutch by the 9th seed oil road.
6. a hydraulic control method, is characterized in that, described method comprises:
Described in the first pressure control unit on the first oil circuit is incited somebody to action under the effect of the oil pressure of the oil pump output of vehicleOil pressure inputs to the second oil circuit according to preset pressure, and described the first pressure controller comprises at least 4 guiding valves;
The second pressure control unit on described the first pressure control unit and the second oil circuit is at the work of described oil pressureWith the fluid torque-converter of lower control buncher, advance reverse gear mechanism and gear, described the second pressureControl module comprises at least 3 magnetic valves and at least 2 guiding valves.
7. method according to claim 6, is characterized in that, described the first pressure control unit comprises:Decompressed slide valve, the first regulating slide valve, the second regulating slide valve, the 3rd regulating slide valve, described the second pressure controlUnit comprises: the first magnetic valve, the second magnetic valve, the 3rd magnetic valve, the 4th regulating slide valve, the 5th regulateGuiding valve, the second pressure control unit on described the first pressure control unit and the second oil circuit is at described oil pressureFluid torque-converter, advance reverse gear mechanism and the gear of the lower control buncher of effect, comprising:
Described decompressed slide valve exports described oil pressure to described the second oil circuit according to described preset pressure;
Described the first magnetic valve regulates the oil pressure in described the second oil circuit, and the oil pressure after regulating is exported respectivelyTo described the first regulating slide valve and described the second regulating slide valve, to control described the first regulating slide valve and described theTwo regulating slide valves;
Described the second regulating slide valve is controlled the driven belt of described gear under the control of described the first magnetic valveWheel;
Described the first regulating slide valve is controlled described the 5th regulating slide valve under the control of described the first magnetic valve;
Described the second magnetic valve regulates the oil pressure in described the second oil circuit, and exports the oil pressure after regulating to instituteState the 3rd regulating slide valve, to control described the 3rd regulating slide valve;
Described the 3rd regulating slide valve is controlled the active band of described gear under the control of described the second magnetic valveWheel;
Described the 3rd magnetic valve regulates the oil pressure in described the second oil circuit, and the oil pressure after regulating is exported respectivelyTo described the 4th regulating slide valve and described the 5th regulating slide valve, to control described the 4th regulating slide valve and described theFive regulating slide valves;
Described the 4th regulating slide valve the falling of reverse gear mechanism that advance described in controlling under the control of described the 3rd magnetic valveShelves clutch, or described the 4th regulating slide valve reverse gear of advancing described in controlling under the control of described the 3rd magnetic valveThe forward gear clutch of mechanism;
Described the 5th regulating slide valve is controlled institute under the control of described the first regulating slide valve and described the 3rd magnetic valveState the lock-up clutch of fluid torque-converter, or described the 5th regulating slide valve is in the control of described the first regulating slide valveLower control transmission oil cooler.
8. method according to claim 7, is characterized in that, described the second regulating slide valve is describedThe driven pulley of controlling described gear under the control of one magnetic valve, comprising:
Described the second regulating slide valve under the control of described the first magnetic valve by the first seed oil road control described fromMovable belt pulley;
Described the first regulating slide valve is controlled described the 5th regulating slide valve under the control of described the first magnetic valve, bagDraw together:
Described the first regulating slide valve controls described by the second seed oil road under the control of described the first magnetic valveFive regulating slide valves;
Described the 3rd regulating slide valve is controlled the active band of described gear under the control of described the second magnetic valveWheel, comprising:
Described the 3rd regulating slide valve is controlled described master by the 3rd seed oil road under the control of described the second magnetic valveMovable belt pulley;
Described the 5th regulating slide valve is controlled institute under the control of described the first regulating slide valve and described the 3rd magnetic valveThe lock-up clutch of stating fluid torque-converter, comprising:
Described the 5th regulating slide valve is controlled described lock by the 4th seed oil road under the control of described the 3rd magnetic valveOnly clutch,
Or described the 5th regulating slide valve is controlled institute in the control of described the first regulating slide valve by the 5th seed oil roadState lock-up clutch;
Described the 5th regulating slide valve is controlled transmission oil cooler under the control of described the first regulating slide valve, comprising:
Described the 5th regulating slide valve is controlled speed change by the 6th seed oil road under the control of described the first regulating slide valveDevice oil cooler.
9. method according to claim 7, is characterized in that, described the second pressure control unit also wrapsDraw together: mechanical commutation valve,
Described the 4th regulating slide valve the falling of reverse gear mechanism that advance described in controlling under the control of described the 3rd magnetic valveShelves clutch, comprising:
Described the 4th regulating slide valve under the control of described the 3rd magnetic valve by described mechanical commutation valve control instituteState reverse clutch;
Described the 4th regulating slide valve advance described in controlling under the control of described the 3rd magnetic valve reverse gear mechanism beforeEnter a grade clutch, comprising:
Described the 4th regulating slide valve under the control of described the 3rd magnetic valve by described mechanical commutation valve control instituteState forward gear clutch.
10. method according to claim 9, is characterized in that,
Described the 4th regulating slide valve under the control of described the 3rd magnetic valve by described mechanical commutation valve control instituteState reverse clutch, comprising:
Described the 4th regulating slide valve is controlled described machine by the 7th seed oil road under the control of described the 3rd magnetic valveTool reversal valve;
Described mechanical commutation valve is controlled described under the control of described the 4th regulating slide valve by the 8th seed oil roadShelves clutch;
Described the 4th regulating slide valve under the control of described the 3rd magnetic valve by described mechanical commutation valve control instituteState forward gear clutch, comprising:
Described the 4th regulating slide valve is controlled institute by described the 7th seed oil road under the control of described the 3rd magnetic valveState mechanical commutation valve;
Before described mechanical commutation valve is described by the 9th seed oil road control under the control of described the 4th regulating slide valveEnter a grade clutch.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107061671A (en) * | 2017-03-29 | 2017-08-18 | 湖南江麓容大车辆传动股份有限公司 | A kind of buncher hydraulic system |
| CN109210167A (en) * | 2018-08-30 | 2019-01-15 | 宁波博生机电科技有限公司 | A kind of main shaft drives constant speed generation device hydraulic control system peculiar to vessel |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4967621A (en) * | 1987-08-21 | 1990-11-06 | Toyota Jidosha Kabushiki Kaisha | Hydraulic control device for belt-and-pulley type continuously variable transmission for a vehicle |
| JP2001227631A (en) * | 2000-02-18 | 2001-08-24 | Fuji Heavy Ind Ltd | Hydraulic control device for continuously variable transmission |
| US6364802B1 (en) * | 1999-08-31 | 2002-04-02 | Hyundai Motor Company | Hydraulic control system for a continuously variable transmission |
| JP2006307926A (en) * | 2005-04-27 | 2006-11-09 | Fuji Heavy Ind Ltd | Shift control device for continuously variable transmission |
| CN101169185A (en) * | 2006-10-24 | 2008-04-30 | 加特可株式会社 | Hydraulic control device for belt type stepless variable transmission |
| CN101387340A (en) * | 2007-09-10 | 2009-03-18 | 丰田自动车株式会社 | Oil pressure control apparatus |
| CN102022526A (en) * | 2009-09-16 | 2011-04-20 | 本田技研工业株式会社 | Hydraulic apparatus for automatic transmission |
-
2016
- 2016-01-22 CN CN201610048137.3A patent/CN105605215B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4967621A (en) * | 1987-08-21 | 1990-11-06 | Toyota Jidosha Kabushiki Kaisha | Hydraulic control device for belt-and-pulley type continuously variable transmission for a vehicle |
| US6364802B1 (en) * | 1999-08-31 | 2002-04-02 | Hyundai Motor Company | Hydraulic control system for a continuously variable transmission |
| JP2001227631A (en) * | 2000-02-18 | 2001-08-24 | Fuji Heavy Ind Ltd | Hydraulic control device for continuously variable transmission |
| JP2006307926A (en) * | 2005-04-27 | 2006-11-09 | Fuji Heavy Ind Ltd | Shift control device for continuously variable transmission |
| CN101169185A (en) * | 2006-10-24 | 2008-04-30 | 加特可株式会社 | Hydraulic control device for belt type stepless variable transmission |
| JP2008106815A (en) * | 2006-10-24 | 2008-05-08 | Jatco Ltd | Hydraulic control device for belt type continuously variable transmission |
| CN101387340A (en) * | 2007-09-10 | 2009-03-18 | 丰田自动车株式会社 | Oil pressure control apparatus |
| CN102022526A (en) * | 2009-09-16 | 2011-04-20 | 本田技研工业株式会社 | Hydraulic apparatus for automatic transmission |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107061671A (en) * | 2017-03-29 | 2017-08-18 | 湖南江麓容大车辆传动股份有限公司 | A kind of buncher hydraulic system |
| CN109210167A (en) * | 2018-08-30 | 2019-01-15 | 宁波博生机电科技有限公司 | A kind of main shaft drives constant speed generation device hydraulic control system peculiar to vessel |
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| Publication number | Publication date |
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| CN105605215B (en) | 2017-09-19 |
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