CN105370750A - A method for local heating of a viscous elastic component of a hydrostatic actuator of a vehicle and a hydrostatic clutch actuator - Google Patents
A method for local heating of a viscous elastic component of a hydrostatic actuator of a vehicle and a hydrostatic clutch actuator Download PDFInfo
- Publication number
- CN105370750A CN105370750A CN201510508293.9A CN201510508293A CN105370750A CN 105370750 A CN105370750 A CN 105370750A CN 201510508293 A CN201510508293 A CN 201510508293A CN 105370750 A CN105370750 A CN 105370750A
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- CN
- China
- Prior art keywords
- hydrostatic
- controlling element
- final controlling
- motor
- piston
- 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.)
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D29/00—Clutches and systems of clutches involving both fluid and magnetic actuation
- F16D29/005—Clutches and systems of clutches involving both fluid and magnetic actuation with a fluid pressure piston driven by an electric motor
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D2025/081—Hydraulic devices that initiate movement of pistons in slave cylinders for actuating clutches, i.e. master cylinders
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/02—Control by fluid pressure
- F16D2048/0212—Details of pistons for master or slave cylinders especially adapted for fluid control
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/08—Details or arrangements of sealings not provided for in group F16D3/84
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention relates to a method for local heating of a viscous elastic component of a hydrostatic actuator of a vehicle, in particular a hydrostatic clutch actuator, in which the hydrostatic actuator (13) comprises a cylinder (7), in which a piston (6) is mounted axially movable , by an electric motor (14) is moved via a transmission (5), whereby a hydraulic fluid (8) in a hydraulic path of the hydrostatic actuator (13) is moved opposite to the area with viscous elastic components (19, 20, 21) is sealed. is the case of a method in which the operation of the hydrostatic actuator over a wide temperature range, at least one viscous elastic component (19, 20, 21) at low outdoor temperatures, and when the ignition of the vehicle is controlled by a current supply of an electrical circuit (22).
Description
Technical field
The method of the viscoelastic parts of that the present invention relates to a kind of hydrostatic final controlling element for heated vehicle partly, especially hydrostatic clutch actuator, wherein hydrostatic final controlling element comprises cylinder, piston is mounted with in axially movable mode in described cylinder, described piston is moved via transmission device by motor, movable hydraulic liquid in the hydraulic path of hydrostatic final controlling element thus, described hydraulic path relative to surrounding environment by viscoelastic seal parts.
Background technique
Use hydrostatic clutch actuator to operate vehicular clutch in a motor vehicle, described clutch actuator is known from DE102010047800A1 and 102010047801A1.This hydrostatic final controlling element comprises active cylinder, and it comprises housing and can the motor of transmission device described in axially displaced, the piston to pressure chamber's on-load pressure, transmission device rotational motion being converted to axial motion and rotating drive in the housing.In order to limiting structure space, the component of final controlling element is mutually integrated in the mode of saving structure space.Therefore hydrostatic final controlling element forming with the path of hydraulic pressure by machinery.The path of hydraulic pressure seals relative to surrounding environment, forms different molded seal rings or O shape ring thus, and described molded seal ring or O shape ring must guarantee the function of hydrostatic final controlling element in whole specific temperature range.
Sealing characteristics is very relevant to temperature at this, make especially when low temperature (such as-40 DEG C time) only can use, be suitable for the sealing material of corresponding working medium.The critical temperature of sealing material is glass transition temperature at this, changes consumingly in the material behavior of little temperature range inner seal liner, such as elasticity when glass transition temperature.When lower than this glass transition temperature, sealing material almost loses its elastic characteristic completely.Additionally, the movement of the radial direction of the Angle Position of piston or change are special challenge when temperature is low for the sealing function of Sealing when operating hydrostatic final controlling element.
Summary of the invention
The present invention based on object be: propose a kind of method, be wherein applied in the viscoelastic parts in hydrostatic final controlling element and keep its elastic characteristic on the whole serviceability temperature of hydrostatic final controlling element.
According to the present invention, described object realizes in the following way: by heating at least one viscoelastic parts to electronic circuit device (elektrischeBeschaltung) energising when external temperature is low and when vehicle disconnects igniting.By to electronic circuit device energising by described electronic circuit device output loss power, described loss power for improve viscoelastic parts, temperature in the surrounding environment of preferred seal.Thus, contribute to sealing function and the temperature profile (Temperaturspezifikation) of hydrostatic clutch actuator need not be changed, as serviceability temperature and ambient temperature.When motor start-up, viscoelastic parts have enough elasticity, make not damage sealing function.Prevent by proposed method: the glass transition temperature reaching sealing material when the vehicle cooling of shutting down.
Advantageously, in loss power pattern to be configured to electronic circuit device and arrange be energized for the power electric device controlling motor, in described loss power pattern, suppress the motion of motor.When this energising, whole transformation of energy is become off-energy, the temperature realizing simple local thus in hydrostatic final controlling element improves, because loses heat causes system spontaneous heating.
In a design proposal, in loss power pattern, control power electric device by the electronic commutating device of amendment.Prevented by the electronic commutating device of this amendment: produce rotating field in the motor.By suppressing rotating field, also suppress the motion of the rotor of motor.Owing to there is not the motion of motor, the motion of hydrostatic final controlling element is also infeasible.
In a variations, carrying out the energising of power electric device lower than during the external temperature preset in loss power pattern.Therefore guarantee: the method proposed only uses when external temperature is low, to prevent the ambient temperature of viscoelastic parts close to glass transition temperature.Guarantee thus: the local temperature at viscoelastic parts place always has following numerical value, when described numerical value, described viscoelastic parts also can keep its elasticity and then can reliably meet its sealing function when external temperature is low.
An improved form of the present invention relates to a kind of hydrostatic final controlling element, preferably hydrostatic clutch actuator, described hydrostatic final controlling element has active cylinder, axially movably piston can be mounted with in described active cylinder, wherein piston is by motoring, the rotational motion of described motor can be converted to the straight line motion of piston by transmission device, wherein hydraulic path seals by multiple viscoelastic parts relative to surrounding environment.Even if when external temperature is low reliably working hydrostatic final controlling element in, there is at least one electronic circuit device for output loss power to improve the temperature in the surrounding environment of viscoelastic parts partly.Therefore, it is possible to service wear power is for the temperature heated or be limited in the region of viscoelastic parts, to guarantee its sealing function in the whole using scope of hydrostatic final controlling element.
Advantageously, electronic circuit device is arranged on outside.Being arranged on this and can carrying out at active cylinder place of outside electronic circuit device, makes it be fixed on viscoelastic nearby components in outside.
In an alternative scheme, electronic circuit device is arranged on inside.Concentrate in hydrostatic final controlling element by the electronic circuit device of inside by the loss power exported by electronic circuit device, it is feasible that the temperature faster thus in the surrounding environment of viscoelastic parts improves.
In a variations, inner electronic circuit device comprises the power electric device for controlling motor, described power electric device only output loss power when being energized.Therefore, it is possible to abandon the circuit of additional generation heat.By suppressing the rotational motion of motor to produce loss power, described loss power is useful and preferably useful to viscoelastic parts to the temperature raising of hydrostatic final controlling element to greatest extent.Therefore, hydrostatic final controlling element also can use completely completely at the temperature of such as-40 DEG C, because the ambient temperature of viscoelastic parts is such as only-20 DEG C.
In a design proposal, power electric device is connected with the energy supply device of the outside of energy switch.This tool has the following advantages: can be energized when power electric device is shut down at vehicle, namely disconnection is lighted a fire, and produce burden to the battery of vehicle.
Accompanying drawing explanation
The present invention allows a large amount of mode of executions.One of them should elaborate according to figure illustrated in the accompanying drawings.
Fig. 1 illustrates the schematic diagram of the structure of hydrostatic clutch system,
Fig. 2 illustrates the sectional drawing of the clutch actuator running through hydrostatic.
Embodiment
Identical feature is provided with identical reference character.
Fig. 1 illustrates the theory structure of the hydrostatic clutch system 1 for Motor Vehicle.This schematic diagram only illustrates the structure for a clutch in two clutches of operating dual clutch transmission, carries out like the class of operation of another clutch.Hydrostatic clutch system 1 comprises control apparatus 3 in master end 2, and described control apparatus controls final controlling element 4.Final controlling element 4 is connected with the piston 6 of active cylinder 7 via transmission device 5.When piston 6 in final controlling element 4 and then active cylinder 7 is along the right shift of final controlling element path, the stereomutation of active cylinder 7, in active cylinder 7, build pressure p thus, described pressure is passed to the slave end 10 of hydrostatic clutch system 1 via hydraulic pipe line 9 by hydraulic fluid 8.Hydraulic pipe line 9 about its length and form fit in the structure space situation of vehicle.On slave end 10, the pressure p of the hydraulic fluid 8 in slave cylinder 11 causes change in displacement, and described change in displacement is delivered on clutch 12, to operate described clutch.
Fig. 2 illustrates the sectional drawing of the clutch actuator 13 running through hydrostatic, and active cylinder 7 and motor 14 are integrated in described hydrostatic clutch actuator compactly.The motor 14 with rotor 15 and stator 16 operates in the transmission device 5 of leading screw 17 form, the piston 6 of described leading screw operating active cylinder 7 again.The piston 6 of active cylinder 7 seals by primary seal and secondary Sealing 19,20 relative to the housing 18 of active cylinder 7.Meanwhile, there is O shape ring 21, described O shape ring is relative to the surrounding environment sealed hydraulic path of hydrostatic final controlling element 13, and hydraulic fluid 8 flows in described hydraulic path.The control apparatus 3 of this locality for controlling motor 14 is arranged on the side deviating from piston 6 of motor 14 within hydrostatic final controlling element 13.Described control apparatus 3 comprises power electric device 22 as output stage (Endstufe).
In order to motor 14 is placed in rotational motion, in normal operation, controls three phases of motor 14 by electronic commutating device, make to form magnetic rotation transition in motor 14, thus rotor 15 and then also have leading screw 17 to be placed in rotational motion.Leading screw 17 converts the rotational motion of the rotor 15 of motor 14 to straight line motion, by the piston 6 of axial the mobile active cylinder 7 of described straight line motion.The rotation angle of electronic commutating device is controlled at this, and wherein three windings of motor 14 are energized in the mode coordinated mutually each other.
In order to guarantee the characteristic of viscoelastic parts, such as primary seal 19, secondary Sealing 20 and O shape ring 21 in hydrostatic clutch actuator 13 in the temperature of-40 DEG C to+120 DEG C in the whole using scope of Motor Vehicle, power electric device 22 loading current to the control apparatus 3 of this locality in the external temperature preset of such as≤-10 DEG C, described power electric installation is connected with the battery not shown further of vehicle.This current load only at mentioned temperature and vehicle shut down, namely when disconnect igniting time carry out.At this time point, power electric device 22 controls motor 14 by the electronic commutating device of amendment, and described electronic commutating device causes: motion do not implemented by motor 14.In this case, by power electric device 22 only output loss power, described loss power is transmitted to hydrostatic final controlling element 13.Also in the surrounding environment of primary seal and secondary Sealing 19,20 and O shape ring 21, improve temperature partly by this loss power, make keep the elastic characteristic of Sealing 19,20,21 and then guarantee its sealing function.
Flowed by the reversing arrangement of particular type the electric current limited.Whole electric power is only for heating the loss power of hydrostatic final controlling element 13 at this.Longer time section is energized and also allows to heat the adjacent component of hydrostatic final controlling element 13.As an alternative, the cooling of the parts of hydrostatic final controlling element 13 is limited by loss power when power electric device 22 is energized when external temperature is low.
Ensure that based on proposed solution: even if hydrostatic final controlling element 13 keeps its complete function when external temperature is low.Can the sealing material that is more suitable for of user cost by this measure, described sealing material can not be used in described temperature range when not this measure.In this clutch actuation system 1 with hydrostatic final controlling element 13, therefore reliably suppress the less desirable impact on clutch characteristics, described less desirable impact can affect ride comfort negatively and may affect the driving safety of vehicle negatively.The leakage at same anti-locking system place.
Reference numerals list
1 clutch system
2 master ends
3 control apparatuss
4 final controlling element
5 transmission devices
6 pistons
7 active cylinder
8 hydraulic fluids
9 hydraulic pipe lines
10 slave ends
11 slave cylinders
12 clutches
13 hydrostatic clutch actuators
14 motor
15 rotors
16 stators
17 leading screws
18 housings
19 primary seals
20 secondary Sealings
21O shape ring
22 power electric devices
Claims (9)
1. the hydrostatic final controlling element for heated vehicle partly, the method of the viscoelastic parts of especially hydrostatic clutch actuator, wherein said hydrostatic final controlling element (13) comprises cylinder (7), piston (6) is mounted with in the mode axially can moved in described cylinder, described piston is mobile via transmission device (5) by motor (14), movable hydraulic liquid (8) in the hydraulic path of described hydrostatic final controlling element (13) thus, described hydraulic path relative to surrounding environment by viscoelastic parts (19, 20, 21) seal,
It is characterized in that, by heating at least one viscoelastic parts (19,20,21) to electronic circuit device (22) energising when external temperature is low and when described vehicle disconnects igniting.
2. method according to claim 1, it is characterized in that, in loss power pattern to be configured to electronic circuit device and arrange be energized for the power electric device (22) controlling described motor (14), in described loss power pattern, suppress the motion of described motor (14).
3. method according to claim 2, is characterized in that, in described loss power pattern, control described power electric device (22) by the electronic commutating device of amendment.
4. the method according to claim 1,2 or 3, is characterized in that, carrying out the energising of described power electric device (22) lower than during the external temperature preset in described loss power pattern.
5. a hydrostatic final controlling element, preferably hydrostatic clutch actuator, described hydrostatic final controlling element has active cylinder (7), piston (6) can be mounted with axial motion in described active cylinder, wherein said piston (6) is driven by motor (14), the rotational motion of described motor can be converted to the straight line motion of described piston (6) by transmission device (5), wherein hydraulic path relative to surrounding environment by multiple viscoelastic parts (19,20,21) seal
It is characterized in that there is at least one electronic circuit device (22) for output loss power to improve the temperature in the surrounding environment of described viscoelastic parts (19,20,21) partly.
6. hydrostatic final controlling element according to claim 5, is characterized in that, described electronic circuit device (22) is arranged on outside.
7. hydrostatic final controlling element according to claim 5, is characterized in that, described electronic circuit device (22) is arranged on inside.
8. hydrostatic final controlling element according to claim 7, it is characterized in that, inner described electronic circuit device comprises the power electric device (22) for controlling described motor (14), described power electric device only output loss power when being energized.
9. the hydrostatic final controlling element according to claim 7 or 8, is characterized in that, described power electric device (22) with can switch outside, be connected for the energy supply device be energized.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014216309.9A DE102014216309B4 (en) | 2014-08-18 | 2014-08-18 | Method for local heating of a viscous elastic component of a hydrostatic actuator of a vehicle and a hydrostatic clutch actuator |
| DE102014216309.9 | 2014-08-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105370750A true CN105370750A (en) | 2016-03-02 |
| CN105370750B CN105370750B (en) | 2019-12-31 |
Family
ID=55234993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510508293.9A Active CN105370750B (en) | 2014-08-18 | 2015-08-18 | Method for heating a viscoelastic component of an actuator, and clutch actuator |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105370750B (en) |
| DE (1) | DE102014216309B4 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931345A (en) * | 2017-12-18 | 2019-06-25 | Zf 腓德烈斯哈芬股份公司 | Method for manipulating pneumatic manipulation device |
| CN109958725A (en) * | 2017-12-18 | 2019-07-02 | Zf 腓德烈斯哈芬股份公司 | Method for heating pneumatic clutch regulating mechanism |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015210019B4 (en) * | 2015-06-01 | 2021-03-04 | Schaeffler Technologies AG & Co. KG | Support of a gear spindle of a hydrostatic clutch actuator |
| DE102016212372A1 (en) | 2016-07-07 | 2018-01-11 | Schaeffler Technologies AG & Co. KG | A method for heating a clutch mechanism of a trained as an electrical central release clutch system of a vehicle at low temperatures |
| CN109826877A (en) * | 2017-11-23 | 2019-05-31 | 上汽通用五菱汽车股份有限公司 | A kind of electronics clutch executor assembly |
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|---|---|---|---|---|
| GB1203868A (en) * | 1967-12-08 | 1970-09-03 | Riegal Paper Corp | Method and machine for forming and filling bags |
| JPH0297733A (en) * | 1988-10-01 | 1990-04-10 | Toyota Autom Loom Works Ltd | Control device for dry clutch |
| CN101198796A (en) * | 2005-06-13 | 2008-06-11 | 诺格伦公司 | Heated seal strip |
| CN101512199A (en) * | 2006-08-22 | 2009-08-19 | Nok株式会社 | Bonded piston seal |
| CN101960161A (en) * | 2008-02-29 | 2011-01-26 | 罗伯特.博世有限公司 | Clutch and hybrid drive with clutch |
| CN103168188A (en) * | 2010-08-18 | 2013-06-19 | Skf美国股份有限公司 | Seal with pressure-actuatable sealing bead |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102575729B (en) | 2009-10-29 | 2015-11-25 | 舍弗勒技术股份两合公司 | hydrostatic actuator |
| DE102010047800A1 (en) | 2009-10-29 | 2011-05-05 | Schaeffler Technologies Gmbh & Co. Kg | Hydrostatic clutch actuator |
| CN102947609B (en) * | 2010-04-12 | 2018-10-12 | 舍弗勒技术股份两合公司 | Hydrostatic actuator and its arrangement on motor vehicle |
| DE102013222546A1 (en) * | 2012-11-07 | 2014-05-08 | Schaeffler Technologies Gmbh & Co. Kg | Method for operating a hydrostatic actuator arrangement |
-
2014
- 2014-08-18 DE DE102014216309.9A patent/DE102014216309B4/en active Active
-
2015
- 2015-08-18 CN CN201510508293.9A patent/CN105370750B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1203868A (en) * | 1967-12-08 | 1970-09-03 | Riegal Paper Corp | Method and machine for forming and filling bags |
| JPH0297733A (en) * | 1988-10-01 | 1990-04-10 | Toyota Autom Loom Works Ltd | Control device for dry clutch |
| CN101198796A (en) * | 2005-06-13 | 2008-06-11 | 诺格伦公司 | Heated seal strip |
| CN101512199A (en) * | 2006-08-22 | 2009-08-19 | Nok株式会社 | Bonded piston seal |
| CN101960161A (en) * | 2008-02-29 | 2011-01-26 | 罗伯特.博世有限公司 | Clutch and hybrid drive with clutch |
| CN103168188A (en) * | 2010-08-18 | 2013-06-19 | Skf美国股份有限公司 | Seal with pressure-actuatable sealing bead |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109931345A (en) * | 2017-12-18 | 2019-06-25 | Zf 腓德烈斯哈芬股份公司 | Method for manipulating pneumatic manipulation device |
| CN109958725A (en) * | 2017-12-18 | 2019-07-02 | Zf 腓德烈斯哈芬股份公司 | Method for heating pneumatic clutch regulating mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014216309A1 (en) | 2016-02-18 |
| CN105370750B (en) | 2019-12-31 |
| DE102014216309B4 (en) | 2020-09-24 |
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