CN105196988A - Motor vehicle - Google Patents
Motor vehicle Download PDFInfo
- Publication number
- CN105196988A CN105196988A CN201510357299.0A CN201510357299A CN105196988A CN 105196988 A CN105196988 A CN 105196988A CN 201510357299 A CN201510357299 A CN 201510357299A CN 105196988 A CN105196988 A CN 105196988A
- Authority
- CN
- China
- Prior art keywords
- driving device
- propelled vehicle
- self
- running driving
- hydrostatic
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention relates to a motor vehicle having at least a non-combustion-engine drive system (10), such as a hydraulic, a hydrostatic or an electromotive engine drive system, and having a braking system. In order to prevent unwanted movement of the motor vehicle, the non-combustion-engine drive system (10), such as the hydraulic, the hydrostatic or the electromotive engine drive system is connected to the braking system (50) in a way that the braking system (50) can prevent the traction caused in an unwanted mode of the non-combustion-engine drive system (10), such as the hydraulic, the hydrostatic or the electromotive engine drive system.
Description
Technical field
The present invention relates to a kind of self-propelled vehicle, its have the running driving device of at least one non-internal combustion engine type, such as hydraulic pressure, the running driving device of hydrostatic or motor-type, and there is brake system.In addition, the present invention relates to a kind of method for running this self-propelled vehicle.
Background technology
By a kind of known method for the fault recognition in the drive-system of vehicle of German laid-open document DE102009039504A1, described vehicle is by means of at least one direct motor drive, wherein, in traction fault, monitor the operation of described electrical motor, described traction fault may cause the less desirable traction of self-propelled vehicle.
Summary of the invention
The object of the invention is to, stop the less desirable motion of self-propelled vehicle in a straightforward manner, described self-propelled vehicle have the running driving device of at least one non-internal combustion engine type, such as hydraulic pressure, the running driving device of hydrostatic or motor-type, and there is brake system.
In a kind of self-propelled vehicle, described self-propelled vehicle has the running driving device of at least one non-internal combustion engine type, such as hydraulic pressure, the running driving device of hydrostatic or motor-type, and there is brake system, this object realizes in the following manner, the i.e. running driving device of described non-internal combustion engine type, such as hydraulic pressure, running driving device that is hydrostatic or motor-type is connected with described brake system in a controlled fashion like this, make described brake system stop self-propelled vehicle by the running driving device of non-internal combustion engine type, such as hydraulic pressure, the traction that running driving device that is hydrostatic or motor-type causes in an undesired manner.The traction of this self-propelled vehicle is such as caused by the fault in the running driving device of non-internal combustion engine type.Described fault is also referred to as traction fault.In hydraulic pressure or hydrostatic running driving device, such as, because the less desirable high pressure on high pressure side can cause drawing fault.The less desirable motion of the self-propelled vehicle of that be equipped with hydraulic pressure or hydrostatic running driving device can be caused by the less desirable high pressure on high pressure side.The described motion of self-propelled vehicle is also referred to as traction.
When can not regulate again or hydraulic control or hydrostatic running driving device hydraulic compressor in other words hydrostatic machine (Hydrostat) time, such as there is traction fault.In the axial piston machine with swing span, when drawing fault, such as swing span can not deflect again.Can cause the fault of drawing failure condition can blocking from the machinery of the mode of machinery, such as component, and/or from the short circuit in the electric parts of the mode of electricity, such as hydrostatic machine or hydrostatic actuating device, and/or from other mode.
As disclosed in German laid-open document DE102010040854A1, brake system is such as the brake system of hydraulic pressure.Core of the present invention is the interaction of the running driving device of brake system and non-internal combustion engine type.
The feature of a preferred embodiment of this self-propelled vehicle is, self-propelled vehicle have the running driving device of the combustion engine as elementary actuating device and the non-internal combustion engine type as secondary drive device, such as hydraulic pressure, the running driving device of hydrostatic or motor-type.The drive-system of described self-propelled vehicle is also referred to as hybrid drive train.When secondary drive device is configured to hydraulic pressure or hydrostatic running driving device, then drive-system is also referred to as hydraulic hybrid drive-system.The secondary drive device of hybrid electric vehicle also can comprise at least one electrical motor as the running driving device of non-internal combustion engine type.In traditional hybrid electric vehicle, the running driving device of brake system and non-internal combustion engine type is separated from one another.Functional safety can be improved when running self-propelled vehicle by connection in a controlled fashion between the running driving device at non-internal combustion engine type according to the present invention and brake system.
The feature of another preferred embodiment of this self-propelled vehicle is, self-propelled vehicle comprises at least one hydraulic compressor as secondary drive device.Hydrostatic machine is such as the hydraulic compressor being configured to axial piston machine.Described axial piston machine can run preferably as axial piston pump operation or as axial-piston motor.Particularly preferably, secondary drive device comprises two hydrostatic machines, in these two hydrostatic machines one preferably as Hydraulic Pump run and another preferably do HM Hydraulic Motor run.
A kind of for running in the method for self-propelled vehicle, described self-propelled vehicle has the running driving device of at least one non-internal combustion engine type, such as hydraulic pressure, the running driving device of hydrostatic or motor-type and there is brake system, described self-propelled vehicle is a kind of aforesaid self-propelled vehicle particularly, wherein, the running driving device of described non-internal combustion engine type is monitored in the traction fault of less desirable traction that can cause described self-propelled vehicle, such as hydraulic pressure, the operation of the running driving device of hydrostatic or motor-type, the object proposed above alternatively or additionally realizes in the following manner, namely in traction failure condition, the described brake system of control is driven like this, make self-propelled vehicle by described brake system, to stop the less desirable motion of self-propelled vehicle.Therefore, when previously defined traction fault, improve the safety when self-propelled vehicle runs.
The feature of a preferred embodiment of the method is, the situation of described traction fault is informed to described brake system.Such as utilize control unit to detect the situation of described traction fault, described control unit is attached to the running driving device of non-internal combustion engine type.Control unit is such as connected with sensor device in a controlled fashion, and described sensor device is attached to the running driving device of non-internal combustion engine type.Utilize the less desirable short circuit current in the running driving device of sensor device identifiable design such as non-internal combustion engine type and/or less desirable pressure initiation.
The feature of another preferred embodiment of the method is, the situation of described traction fault is informed to the control unit of described brake system.The control unit of brake system can construct by the control unit individually and independent of the running driving device of non-internal combustion engine type.But the control unit of brake system also can combine with the control unit of the running driving device of non-internal combustion engine type.Once the situation of described traction fault be informed to the control unit of brake system, so by brake system, aforesaid braking is carried out to self-propelled vehicle.
The feature of another preferred embodiment of the method is, estimate when described traction fault by the running driving device of non-internal combustion engine type, such as hydraulic pressure, the drag torque of expection that the running driving device of hydrostatic or motor-type produces is much.The size of the drag torque estimated such as can be relevant with the less desirable stress level in the running driving device of non-internal combustion engine type or short circuit current.
The feature of another preferred embodiment of the method is, drives the described brake system of control targetedly according to the size of the drag torque of described expection.At this, the drag torque of the estimation of expection is preferably loaded with a margin of safety.The lock torque that one is greater than the drag torque of the estimation of described expection is then produced by correspondingly driving the described brake system of control.At this, can advantageously use characteristic curve, described characteristic curve is stored in corresponding control unit.
In addition, the present invention relates to a kind of computer program with computer program, described computer program has software service, for performing preceding method when implementing this computer program on computers.Computing machine is such as integrated control unit in a motor vehicle.Control unit is also referred to as electronic control unit or electric control unit.
In addition, the present invention relates to a kind of control unit with this computer program.This control unit preferably loads in self-propelled vehicle.Self-propelled vehicle particularly has the hydraulic hybrid car of aforesaid hydraulic hybrid power driving device
Other advantages of the present invention, characteristic sum details are drawn by following explanation, in described explanation, explain different embodiments with reference to accompanying drawing.
Accompanying drawing explanation
Unique accompanying drawing illustrates the sketch of hydrostatic running driving device, particularly the hydraulic hybrid drive-system of self-propelled vehicle.
Detailed description of the invention
The hydraulic hybrid drive-system 1 of the self-propelled vehicle with drive wheel 2 is shown in accompanying drawing 1 simplifiedly.Drive wheel 2 is such as connected with hydraulic hybrid drive-system 1 in the mode driven by diff 3.Hydraulic hybrid drive-system 1 comprises elementary actuating device 4, and described elementary actuating device such as has the explosive motor 6 also referred to as combustion engine.Wheel 2 can be driven by means of only elementary actuating device 4.
In addition, hydraulic hybrid drive-system 1 comprises secondary drive device 10.Secondary drive device 10 comprises the first hydraulic compressor 11 and the second hydraulic compressor 12.These two hydraulic compressors 11 are hydraulically connected with low pressure side 13 at input side with 12.Low pressure side 13 comprises the low-voltage memory 14 with hydraulic medium, and described hydraulic medium loads with low pressure.
These two hydraulic compressors 11,12 are such as configured to axial piston machine and also referred to as hydrostatic machine.Therefore, have hydraulic compressor 11, the running driving device of 12 is also referred to as hydrostatic running driving device.Comprise the drive-system of an only hydrostatic running driving device also referred to as hydraulic-driven system.
At outgoing side, hydraulic compressor 11 is hydraulically connected with high-pressure area or high pressure side 16 with 12.High pressure side or high-pressure area 16 comprise the high-pressure storage 17 with hydraulic medium, and described hydraulic medium loads with high pressure.By six rectangles 18 altogether, valve gear is shown, these valve gears realize running the secondary drive device 10 with these two hydraulic compressors 11 and 12 in known manner.
Change-speed box 20 is accessed between elementary actuating device 4 and secondary drive device 10.Change-speed box 20 is configured to the planetary gearbox with inner gear 30, sun gear 32 and planetary wheel 34.Planetary wheel 34 is rotatably installed on planetary gear carrier 35.
First axle 21 is rotatably connected with planetary gear carrier 35 by gear stage is antitorque.First axle 21 is arranged on Fig. 1 right part at it and is rotatably connected with diff 3 by another gear stage is antitorque.
Second axle 22 is antitorque to be rotatably connected with the inner gear 30 of planetary gearbox 20.Second axle 22 can be connected with elementary actuating device 4 in the mode driven.3rd axle 23 is antitorque to be rotatably connected with the sun gear 32 of planetary gearbox 20.
Arrangement of clutch and/or synchronous device 27 are access between second hydraulic compressor 12 and the diff 3 with drive wheel 2 of secondary drive device 10 in the mode driven on drive side.At this, to move backward gear in order to stroke additional function, such as, can at this arrangement of clutch and/or the gear stage accessing other between synchronous device 27 and diff 3.
Hydraulic hybrid drive-system 1 is the drive-system of mechanical-hydraulic power branch.According to operating point, the power of hydraulic hybrid drive-system 1 is by the elementary actuating device 4 also referred to as mechanical actuation device or be transmitted by the secondary drive device 10 also referred to as fluid pressure drive device.In addition, described power also can be transmitted by these two actuating devices 4,10 or system branch simultaneously.Can enter following running state, in described running state, each system unit is unactivated or is not activated.
The hydraulic compressor 11 and 12 only illustrated in Fig. 1 also referred to as hydrostatic machine symbol and be preferably configured to axial piston machine.In German laid-open document DE102006037593A1 and DE102006041359A1, such as describe the 26S Proteasome Structure and Function of axial piston machine.
By rectangle 40, control unit is shown in Fig. 1, described control unit is equipped with the self-propelled vehicle (not shown) of hydraulic hybrid drive-system 1.41 illustrate by a dotted line, the valve gear 18 of hydraulic hybrid drive-system 1 is connected with control unit 40 in a controlled fashion.42 illustrate by a dotted line, secondary hydraulic machine 12 is connected with control unit 40 in a controlled fashion.
Primary hydraulic pressure machine 11 (being not shown) is connected with control unit 40 equally in a controlled fashion.The miscellaneous part (being not shown) of hydraulic hybrid drive-system 1 is connected with control unit 40 equally in a controlled fashion.Described miscellaneous part is such as the high-pressure storage 17 on planetary gearbox 20 and high pressure side 16.
45 illustrate by a dotted line, control unit 40 is connected with brake system in a controlled fashion, and described brake system illustrates by means of only rectangle 50 in FIG.Illustrated by arrow 55 and 56, brake system 50 can be utilized to brake the drive wheel 2 of this hydraulic hybrid drive-system 1
The less desirable self-propelled vehicle caused by less desirable drive torque or drag torque can be stoped to draw by braked drive wheels 2, its mode is, is applied to by the lock torque shown in arrow 55 and 56 on drive wheel 2 by brake system 50.At this, lock torque 55,56 are advantageously a bit larger tham less desirable drive torque or drag torque.
Sensor device such as by being applicable in hydraulic hybrid drive-system 1 detects less desirable traction and is communicated on control unit 40.The described brake system 50 of control is driven targetedly, to be applied on drive wheel 2 by corresponding lock torque 55,56 by control unit 40.
Claims (10)
1. self-propelled vehicle, it has the running driving device (10) of at least one non-internal combustion engine type, such as hydraulic pressure, the running driving device of hydrostatic or motor-type, and there is brake system (50), it is characterized in that, the running driving device (10) of described non-internal combustion engine type, such as described hydraulic pressure, running driving device that is hydrostatic or motor-type is connected with described brake system (50) in a controlled fashion like this, make described brake system (50) stop described self-propelled vehicle by the running driving device (10) of described non-internal combustion engine type, such as described hydraulic pressure, the traction that running driving device that is hydrostatic or motor-type causes in an undesired manner.
2. self-propelled vehicle according to claim 1, it is characterized in that, described self-propelled vehicle have the explosive motor (6) as elementary actuating device (4) and the running driving device (10) as the described non-internal combustion engine type of secondary drive device (10), such as hydraulic pressure, the running driving device of hydrostatic or motor-type.
3. self-propelled vehicle according to claim 2, is characterized in that, described self-propelled vehicle comprises at least one hydrostatic machine (11,12) as secondary drive device (10).
4. for running the method for self-propelled vehicle, described self-propelled vehicle has the running driving device (10) of at least one non-internal combustion engine type, such as hydraulic pressure, the running driving device of hydrostatic or motor-type, and there is brake system (50), described self-propelled vehicle is particularly according to self-propelled vehicle in any one of the preceding claims wherein, wherein, the running driving device (10) of described non-internal combustion engine type is monitored in the traction fault of less desirable traction that can cause described self-propelled vehicle, such as described hydraulic pressure, the operation of the running driving device of hydrostatic or motor-type, it is characterized in that, the described brake system of control (50) is driven like this when drawing fault, described self-propelled vehicle is braked by described brake system (50), to stop the less desirable motion of described self-propelled vehicle.
5. method according to claim 4, is characterized in that, the situation of described traction fault is informed to described brake system (50).
6. the method according to claim 4 or 5, is characterized in that, the situation of described traction fault is informed to the control unit (40) of described brake system (50).
7. the method according to any one of claim 4 to 6, it is characterized in that, estimate that when described traction fault the drag torque of the expection produced by running driving device that the is running driving device (10) of described non-internal combustion engine type, such as described hydraulic pressure, hydrostatic or motor-type is much.
8. method according to claim 7, is characterized in that, drives the described brake system of control (50) targetedly according to the size of the drag torque of described expection.
9. have the computer program of computer program, described computer program has software service, for performing the method according to any one of claim 4 to 8 when implementing this computer program on computers.
10. control unit (40), described control unit has computer program according to claim 9.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014212332.1A DE102014212332A1 (en) | 2014-06-26 | 2014-06-26 | motor vehicle |
| DE102014212332.1 | 2014-06-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105196988A true CN105196988A (en) | 2015-12-30 |
Family
ID=54839705
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510357299.0A Pending CN105196988A (en) | 2014-06-26 | 2015-06-25 | Motor vehicle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105196988A (en) |
| DE (1) | DE102014212332A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038520A (en) * | 2018-10-15 | 2020-04-21 | 罗伯特·博世有限公司 | Hydrostatic travel drive, mobile work machine with travel drive, and method for data input |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1552591A (en) * | 2003-05-26 | 2004-12-08 | 同济大学汽车学院 | Driving system of mixed power vehicle |
| CN1647968A (en) * | 2003-12-30 | 2005-08-03 | 现代自动车株式会社 | Apparatus and method for controlling regenerative braking of an electric vehicle |
| CN101007510A (en) * | 2006-12-08 | 2007-08-01 | 奇瑞汽车有限公司 | Hybrid power automobile motor control method |
| CN101774346A (en) * | 2009-01-13 | 2010-07-14 | 北汽福田汽车股份有限公司 | Hybrid power assembly having four-wheel drive characteristics and vehicle assembled with same |
| CN102774278A (en) * | 2011-05-10 | 2012-11-14 | 博格华纳公司 | Single speed transmission for electric vehicle with mechanical or electrical park system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006037593A1 (en) | 2006-08-11 | 2008-02-14 | Robert Bosch Gmbh | Swash plate machine with rotating cylinders includes sound-deadening elastomer layers in control disc supported against end plate of machine casing |
| DE102009039504A1 (en) | 2009-08-08 | 2011-02-10 | Daimler Ag | Method for recognizing error in drive train of vehicle, involves accomplishing safety reaction in drive train by regulation unit in dependence of vehicle speed and/or detected position of selector lever when error is determined |
| DE102010040854A1 (en) | 2010-09-16 | 2012-03-22 | Robert Bosch Gmbh | Hydraulic brake system and method of operation |
-
2014
- 2014-06-26 DE DE102014212332.1A patent/DE102014212332A1/en not_active Withdrawn
-
2015
- 2015-06-25 CN CN201510357299.0A patent/CN105196988A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1552591A (en) * | 2003-05-26 | 2004-12-08 | 同济大学汽车学院 | Driving system of mixed power vehicle |
| CN1647968A (en) * | 2003-12-30 | 2005-08-03 | 现代自动车株式会社 | Apparatus and method for controlling regenerative braking of an electric vehicle |
| CN101007510A (en) * | 2006-12-08 | 2007-08-01 | 奇瑞汽车有限公司 | Hybrid power automobile motor control method |
| CN101774346A (en) * | 2009-01-13 | 2010-07-14 | 北汽福田汽车股份有限公司 | Hybrid power assembly having four-wheel drive characteristics and vehicle assembled with same |
| CN102774278A (en) * | 2011-05-10 | 2012-11-14 | 博格华纳公司 | Single speed transmission for electric vehicle with mechanical or electrical park system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111038520A (en) * | 2018-10-15 | 2020-04-21 | 罗伯特·博世有限公司 | Hydrostatic travel drive, mobile work machine with travel drive, and method for data input |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102014212332A1 (en) | 2015-12-31 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151230 |