CN1288831A - Tubeline Pressure control system of automatic speed-veriation automobile and control method thereof - Google Patents

Tubeline Pressure control system of automatic speed-veriation automobile and control method thereof Download PDF

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Publication number
CN1288831A
CN1288831A CN99127453A CN99127453A CN1288831A CN 1288831 A CN1288831 A CN 1288831A CN 99127453 A CN99127453 A CN 99127453A CN 99127453 A CN99127453 A CN 99127453A CN 1288831 A CN1288831 A CN 1288831A
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CN
China
Prior art keywords
valve
pressure
oil
magnet coil
guiding valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN99127453A
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Chinese (zh)
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CN1118652C (en
Inventor
李镇洙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hyundai Motor Co
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Hyundai Motor Co
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Publication date
Application filed by Hyundai Motor Co filed Critical Hyundai Motor Co
Publication of CN1288831A publication Critical patent/CN1288831A/en
Application granted granted Critical
Publication of CN1118652C publication Critical patent/CN1118652C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • F16H61/0202—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 electric
    • F16H61/0251—Elements specially adapted for electric control units, e.g. valves for converting electrical signals to fluid signals
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D16/00—Control of fluid pressure
    • G05D16/20—Control of fluid pressure characterised by the use of electric means
    • G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
    • G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
    • G05D16/2024—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means the throttling means being a multiple-way valve

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Transmission Device (AREA)
  • Magnetically Actuated Valves (AREA)

Abstract

A valve of automatic transmission of vehicles has a balance mouth in the valve shell transporting some pressure-regulated oil to the valve and a pressure chamber arranged at the opposite end of a magnetic coil. The balance mouth always connects to an input entrance in order to transport pressure-regulated oil at all time.

Description

The line pressure control system and the control method thereof of automatic speed changing automobile
The present invention relates to the automobile valve, be specifically related to the valve of automatic gearbox, this valve can be controlled the high pressure oil flow that is transported to the automatic transmission with hydraulic torque converter hydraulic actuator from pressurized source, and can reduce the size of automatic transmission with hydraulic torque converter.
Generally speaking, in the automatic transmission with hydraulic torque converter of automobile, some working parts for example power-transfer clutch and drg are housed, so that can change output speed according to driving conditions.
These working parts all use the compressed oil of sending here from oil drum to operate.Like this, the pressure of oil is too high and can not be transported on the hydraulic actuator of automatic transmission with hydraulic torque converter in the oil drum, therefore adopts some valve regulated high pressure oils to the pressure that is suitable for the working part hydraulic actuator.
Its size of hydraulic actuator that is the automatic transmission with hydraulic torque converter working part is little, and this hydraulic actuator is with low voltage operated.
Control the high pressure oil of sending here from oil pump with control cock and control cock in the ability according to working part traditionally for this reason.
And on the hydraulic tubing of automatic gearbox, dispose some kinds of control cock, to change hydraulic power line.
Therefore hydraulic actuator is operated with the oil that is subjected to the last control of two or more valves.So, traditional automatic transmission with hydraulic torque converter of automobile has following shortcoming.
The comparison of sizes of traditional automatic transmission with hydraulic torque converter is big, because have some valves and hydraulic power line to be assemblied in the hydraulic fluid tank.Because hydraulic pressure is reactive and the automatic reaction hysteresis, so can not accurately control the hydraulic actuator in the automatic transmission with hydraulic torque converter.
For addressing the above problem, direct control method is an actv., and the pressure of oil also directly is added on the working part of automatic transmission with hydraulic torque converter with valve regulated in this method.Thereby the valve that is used in the direct control method can be controlled big gauging.Therefore spring and/or the magnet coil that is contained on this valve must be done very greatly.Because it is big that the size of valve and automatic transmission with hydraulic torque converter becomes, so do not solve the basic problem that automatic transmission with hydraulic torque converter is arranged earlier.
The purpose of this invention is to provide a kind of valve that is used for automatic gearbox, the compressed oil that this valve is only sent here from oil pump with a valve direct control, and can reduce the size of automatic transmission with hydraulic torque converter.
Achieving the above object the present invention includes a valve that is used for automatic gearbox, and this valve comprises: valve casing has input port, discharge side and two delivery ports; Guiding valve can slide in valve casing, thereby selectively opens or closes these gangways; Magnet coil is contained in an end of valve casing, available power excitation and guiding valve is attracted to a side of housing; Spring is used to make that the out-of-position guiding valve turns back to original position, and this valve is characterised in that, configuration balance port and pressure chamber in valve casing, and this balance port carries some adjusted pressure oily in valve casing, and the pressure chamber is configured in the opposed end of magnet coil.
A kind of valve of automatic gearbox, wherein balance port always is connected in input port, so that press oil free conveying of institute.
The valve that is used for automatic gearbox has balance port and pressure chamber at valve casing, at the magnet coil attraction guiding valve of excitation and when closing delivery port, can make the adjusting that is transported to working part press oil to act on the opposite side of magnet coil extraly.
That is, high pressure oil is acted under the state of guiding valve, this guiding valve can be with little solenoid controlled, because the equilibrium of pressure of pressure chamber acts on the opposite side of magnet coil extraly.
Therefore, its size of valve of the present invention becomes less, thereby can reduce the size of automatic gearbox.
Describe the preferred embodiments of the present invention in detail below with reference to accompanying drawing, can obviously find out above-mentioned purpose of the present invention and other advantage thus, these accompanying drawings are:
Fig. 1 is the schematic section of valve of the present invention, and the guiding valve that this valve is in valve is opened the state of delivery port;
Fig. 2 is the schematic section of valve of the present invention, and the guiding valve that this valve is in valve cuts out the state of delivery port;
Fig. 3 is a scheme drawing, the line pressure control method when illustrating with valve of the present invention.
Fig. 1 and Fig. 2 illustrate the embodiment of valve of the present invention.This valve comprises: valve casing 10 comprises some gangways 12,14,16 and can slide in valve casing 10 with guiding valve 18 selectively opened and that close these gangways; Magnet coil 20 is contained in an end of valve casing 10, available electric excitation and make guiding valve 18 shift to magnet coil 20; Spring 22, being used to make, out-of-position guiding valve 18 turns back to the home position.
The mouth 12 of valve casing 10 is to receive the input port of pressing oil in the oil pump (not shown), and mouth 16 is the delivery ports of pressing oil to be transported to the hydraulic actuator of automatic transmission with hydraulic torque converter working part with modulated.
Mouth 14 is discharge sides, and the pressure oil that this discharge side is used for when guiding valve 18 cuts out delivery port 16 pumping being come is discharged into the oil drum (not shown).
And guiding valve has some terminal pads 24,26,28, is used for selectively opened and closes gangway 12,14,16, so that regulate the pressure of oil.
Configuration balance port 30 and pressure chamber 32 in valve casing 10.Balance port 30 is formed between first terminal pad 24 and second terminal pad 28 of guiding valve, so that it is all opened if having time in institute.Pressure chamber 32 is formed on the other end of valve casing 10, is positioned at the opposite side of magnet coil 22.
As shown in Figure 2, input port 12 is connected in the Trunk Line of pressing oil in the transmission pump, and delivery port 16 is connected in service line 36, so that with modulated hydraulic actuator of pressing oil to be transported to working part.
Discharge side 14 is connected in outfall pipeline 36, so that the pressure oil in the valve casing 10 is stayed in discharging, and balance port 30 is connected in the pressure chamber 32 of valve casing 10 through balance pipeline 40.
In the valve of the invention described above, when magnet coil 20 does not encourage, balance pipeline power P CA 1, spring elastic force F KWith pipeline power P LA 2Just act on the guiding valve 20.
And these power that act on the guiding valve 20 have following relation:
P CA 1＜P LA 2+ F KP in the formula CBe the modulated pressure in the valve of the present invention; A 1It is modulated pressure P LThe area of effect is 4 π d 1 2P LIt is the line pressure of oil pump output; A 2Being the area of this line pressure effect, is 4 π (d 2 2-d 3 2); F KBe the elastic force of spring 22.
Therefore as shown in Figure 1, guiding valve 18 is displaced to the opposition side of magnet coil 18.In this case, the terminal pad 24,28 of guiding valve 18 is opened delivery port 16, and the terminal pad 26 of guiding valve 18 is closed discharge side 14.Therefore the pressure oil in trunk line 34 is conditioned in valve, and flows directly into the hydraulic actuator of working part.
Subsequently, when making magnet coil 20 excitations, on guiding valve 20, be subjected to magnet coil power F again SEffect.
The power that act on the guiding valve 20 this moment has following relation:
F S+ P CA 1＞P LA 2+ F KIn the formula, F SIt is the electromagnetic force of magnet coil 20.
Therefore, as shown in Figure 2, guiding valve 18 is shifted to magnet coil 18.In this case, the terminal pad 24,28 of guiding valve 18 is closed delivery port 16, and the terminal pad 26 of guiding valve 18 is opened discharge side 14.Press the oily hydraulic actuator that can not flow into working part for this reason, and discharge through discharge side 14.
As mentioned above, because the valve of automatic gearbox of the present invention has balance port 30 and pressure chamber 32 in valve casing 10, so be transported to the modulated opposition side of pressing oil when the magnet coil 18 of excitation makes guiding valve 18 close delivery port 16, to act on guiding valve again of working part.
That is, high pressure oil is acted under the state on the guiding valve 18, this guiding valve can be with less solenoid controlled, because the balancing force of pressure chamber 32 acts on the opposite side of magnet coil 20 extraly.
Therefore, its chi of valve of the present invention becomes less, thereby can reduce the size of automatic transmission for vehicles.
In addition, because the oil of the modulated pressure in the valve of the present invention can directly be sent into the hydraulic actuator of working part in the automatic transmission with hydraulic torque converter, so increased the reactive and automatic reaction of hydraulic pressure, so just accurate modulated pressure driving device.

Claims (2)

1. valve that is used for automatic gearbox, comprising: valve casing has input port, discharge side and two delivery ports; Guiding valve can slide in valve casing and optionally opens and closes each gangway; Magnet coil is contained in an end of valve casing, and the available power excitation is so that guiding valve is shifted to a side of housing; Spring is used to make the out-of-position guiding valve to turn back to the home position, it is characterized in that, and configuration balance port and pressure chamber in valve casing, this balance port is transported to some modulated pressure oil in the valve, and the pressure chamber is formed on the opposed end of magnet coil.
2. the valve of an automatic transmission for vehicles, wherein, balance port always is connected in input port, so that at the free delivery pressure oil of institute.
CN99127453A 1999-09-22 1999-12-30 Tubeline Pressure control system of automatic speed-veriation automobile and control method thereof Expired - Fee Related CN1118652C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1019990041025A KR20010028657A (en) 1999-09-22 1999-09-22 Control system of line pressure for A/T automobile and its control method
KR41025/1999 1999-09-22

Publications (2)

Publication Number Publication Date
CN1288831A true CN1288831A (en) 2001-03-28
CN1118652C CN1118652C (en) 2003-08-20

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN99127453A Expired - Fee Related CN1118652C (en) 1999-09-22 1999-12-30 Tubeline Pressure control system of automatic speed-veriation automobile and control method thereof

Country Status (5)

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JP (1) JP2001099279A (en)
KR (1) KR20010028657A (en)
CN (1) CN1118652C (en)
AU (1) AU6524399A (en)
DE (1) DE19959943A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102086947A (en) * 2009-12-08 2011-06-08 罗伯特.博世有限公司 Electromagnetic spool valve with integrated safety function
CN101796465B (en) * 2007-09-05 2013-05-08 腓特烈斯港齿轮工厂股份公司 Pressure limiting valve and arrangement of a pressure limiting valve for the pilot control of a pressure control valve
CN103587510A (en) * 2013-10-27 2014-02-19 沈阳建筑大学 Flat-puncture emergency device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2446599B (en) * 2007-02-15 2009-01-14 Gm Global Tech Operations Inc A clutch in an automatic transmission

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7202049U (en) * 1973-06-28 Bosch R Gmbh Pressure control valve
DE2822597A1 (en) * 1978-05-24 1979-11-29 Bosch Gmbh Robert PRESSURE REGULATING VALVE
DE8322570U1 (en) * 1983-08-05 1985-01-17 Robert Bosch Gmbh, 7000 Stuttgart PRESSURE REGULATOR
DE3505377C2 (en) * 1985-02-16 1994-07-07 Bosch Gmbh Robert Pressure regulator
JP3102137B2 (en) * 1992-04-14 2000-10-23 トヨタ自動車株式会社 Hydraulic control device for automatic transmission
US5518091A (en) * 1992-12-03 1996-05-21 Volkswagen Ag Slide valve for controlling a bridging clutch in an automatic transmission
DE4328503C2 (en) * 1992-12-03 2001-10-11 Volkswagen Ag Switching valve
JP3627338B2 (en) * 1995-12-30 2005-03-09 アイシン・エィ・ダブリュ株式会社 Pressure regulating valve in hydraulic control device of automatic transmission

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101796465B (en) * 2007-09-05 2013-05-08 腓特烈斯港齿轮工厂股份公司 Pressure limiting valve and arrangement of a pressure limiting valve for the pilot control of a pressure control valve
CN102086947A (en) * 2009-12-08 2011-06-08 罗伯特.博世有限公司 Electromagnetic spool valve with integrated safety function
CN102086947B (en) * 2009-12-08 2015-06-24 罗伯特.博世有限公司 Electromagnetic spool valve with integrated safety function
CN103587510A (en) * 2013-10-27 2014-02-19 沈阳建筑大学 Flat-puncture emergency device
CN103587510B (en) * 2013-10-27 2015-11-25 沈阳建筑大学 One is blown out emergency facility

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Publication number Publication date
KR20010028657A (en) 2001-04-06
CN1118652C (en) 2003-08-20
AU6524399A (en) 2001-03-29
JP2001099279A (en) 2001-04-10
DE19959943A1 (en) 2001-04-12

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