CN104908728B - The control system and control method of Retarder - Google Patents
The control system and control method of Retarder Download PDFInfo
- Publication number
- CN104908728B CN104908728B CN201510321728.9A CN201510321728A CN104908728B CN 104908728 B CN104908728 B CN 104908728B CN 201510321728 A CN201510321728 A CN 201510321728A CN 104908728 B CN104908728 B CN 104908728B
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- CN
- China
- Prior art keywords
- retarder
- vehicle
- air pressure
- baroceptor
- controller
- 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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Links
- 238000000034 method Methods 0.000 title claims description 12
- 230000000979 retarding effect Effects 0.000 description 14
- 239000007788 liquid Substances 0.000 description 6
- 239000010720 hydraulic oil Substances 0.000 description 4
- 239000006071 cream Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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
- B60T10/00—Control or regulation for continuous braking making use of fluid or powdered medium, e.g. for use when descending a long slope
-
- 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
- F16D57/00—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders
- F16D57/007—Liquid-resistance brakes; Brakes using the internal friction of fluids or fluid-like media, e.g. powders with variable brake geometry, e.g. axially movable rotor or stator
Abstract
The invention discloses a kind of control systems of Retarder, controller and proportioning valve including Retarder itself；Baroceptor in the gas circuit of the pneumatic braking system of vehicle is set, which is used to detect the air pressure in gas circuit, and the output end of the baroceptor and the input terminal of controller are coupled；And the control switch on vehicle console is set, the output end of the control switch and the input terminal of controller are coupled.The present invention can be such that Retarder starts to avoid due to accidentally touching on the brake pedal.
Description
Technical field
The present invention relates to a kind of control system of Retarder and control methods.
Background technique
Retarder is a kind of dress for generating retarded acting to vehicle using fluid damping applied on heavy vehicles
It sets, currently, Retarder is when in use, is generally controlled by service brake, i.e. the gas circuit in the aerodynamic brake circuit of vehicle
The controller of one baroceptor of middle setting, baroceptor and Retarder is coupled, when driver gradually touches on the brake down
When pedal, the air pressure in the gas circuit of the pneumatic braking system of vehicle is gradually increased, when baroceptor detects that air pressure reaches
When 0.3bar, the controller control proportioning valve of Retarder is opened, and such compressed air enters the oil storage of Retarder
Hydraulic oil in shoe cream room is pressed into working chamber by chamber, so that Retarder is started to work, generates slow make to vehicle
With；And in the gas circuit for the pneumatic braking system for touching on the brake pedal under driver continues and baroceptor being made to detect vehicle
Air pressure when reaching 1.0bar, the pneumatic braking system starting on vehicle starts to vehicle braking.
Vehicle in motion, since the pedal that slightly touches on the brake down will start Retarder, in this way, when road conditions it is poor and
When so that vehicle driving more being jolted, driver is easy accidentally to touch on the brake pedal and start Retarder, such hydrodynamic retarding
Device will hinder the normally travel of vehicle.
Summary of the invention
The technical problem to be solved by the invention is to provide one kind to keep fluid power slow to avoid due to accidentally touching on the brake pedal
The control system of the Retarder of fast device starting.
In order to solve the above technical problems, the control system of Retarder provided by the invention, comprising:
The controller and proportioning valve of Retarder itself；
Baroceptor in the gas circuit of the pneumatic braking system of vehicle is set, and the baroceptor is for detecting gas circuit
In air pressure, the output end of the baroceptor and the input terminal of controller are coupled；And
Control switch on vehicle console, the input terminal phase coupling of the output end and controller of the control switch are set
It closes.
In order to solve the above technical problems, the invention also discloses a kind of control methods of Retarder:
When braking to vehicle, driver gradually touches on the brake down pedal, gradually touches on the brake down pedal in driver
In the process, the air pressure in the gas circuit of the pneumatic braking system of vehicle is gradually increased；
During driver gradually touches on the brake down pedal, if control switch is in close state, work as air pressure sensing
When device detects that air pressure reaches 0.3bar, controller controls proportioning valve and opens, and Retarder is started to work；Work as baroceptor
When detecting that air pressure reaches 1.0bar, pneumatic braking system starts to vehicle braking；
During driver gradually touches on the brake down pedal, if control switch is in the open state, hydrodynamic retarding
Device does not start；When baroceptor detects that air pressure reaches 1.0bar, pneumatic braking system starts to vehicle braking.
Preferably, the aperture of controller control proportioning valve makes when baroceptor detects that air pressure reaches 0.3bar
The admission pressure for obtaining Retarder is 1.0 ~ 1.2bar；When baroceptor detects that air pressure reaches 0.5bar, controller
The aperture of control proportioning valve makes the admission pressure of Retarder be 1.5 ~ 1.6bar；When baroceptor detects that air pressure reaches
When to 0.7bar, the aperture of controller control proportioning valve makes the admission pressure of Retarder be 2.0 ~ 2.1bar.
Using the above structure and after method, compared with prior art, the present invention having the advantage that
When it is poor due to road conditions and when vehicle driving being made more to jolt, control switch is opened, at this point, even if driver accidentally steps on
Brake pedal will not make Retarder start, and Retarder is avoided to hinder the normally travel of vehicle；And when vehicle into
When row descending, needs Retarder to carry out vehicle slow, control switch is closed at this time, when the pedal that touches on the brake under driver
When, Retarder starting is slow to carry out to vehicle.
Detailed description of the invention
Fig. 1 is circuit structure block diagram of the invention.
Specific embodiment
Present invention will be explained in further detail with reference to the accompanying drawings and detailed description.
As shown in Figure 1, the control system of Retarder of the present invention includes the controller and ratio of Retarder itself
Valve,
The baroceptor that is arranged in the gas circuit of the pneumatic braking system of vehicle and it is arranged on vehicle console
Control switch, controller and proportioning valve are the conventional components on Retarder, and controller is at the data on Retarder
Reason and execute control element, proportioning valve is mounted on the inlet channel of Retarder, proportioning valve it is under control of the controller and
It opens or closes, when proportioning valve is opened, enters the storage of Retarder by inlet channel by the compressed air of air pump output
Oil pocket, the hydraulic oil in shoe cream room are pressed into working chamber by compressed air, and hydraulic oil forms vortex between rotor and stator,
Braking moment is generated with the rotation to rotor, and the output shaft of rotor and vehicle gear box is connected to connect and rotate synchronously, this
Sample allows for Retarder and generates retarded acting to vehicle.
Oversize vehicle generally uses pneumatic braking system to be braked at present, and baroceptor is arranged in pneumatic braking system
Gas circuit in for detecting air pressure in gas circuit, the output end of baroceptor and the input terminal of controller are coupled.
Control switch is arranged on vehicle console, and driver can open or close control switch, control switch it is defeated
The input terminal of outlet and controller is coupled.
The control method of above-mentioned Retarder specifically includes:
Embodiment one
When braking to vehicle, driver gradually touches on the brake down pedal, gradually touches on the brake down pedal in driver
In the process, the air pressure in the gas circuit of the pneumatic braking system of vehicle is gradually increased；
During driver gradually touches on the brake down pedal, if control switch is in close state, work as air pressure sensing
When device detects that air pressure reaches 0.3bar, controller controls proportioning valve and opens, and Retarder is started to work, and controller controls ratio
The aperture of example valve makes the admission pressure of Retarder be 1.0bar；
When baroceptor detects that air pressure reaches 0.5bar, the aperture of controller control proportioning valve makes hydrodynamic retarding
The admission pressure of device is 1.5bar；
When baroceptor detects that air pressure reaches 0.7bar, the aperture of controller control proportioning valve makes hydrodynamic retarding
The admission pressure of device is 2.0bar；
When baroceptor detects that air pressure reaches 1.0bar, pneumatic braking system starts to vehicle braking, at this time liquid
Power retarder and pneumatic braking system carry out retarding braking to vehicle simultaneously, and the aperture of the proportioning valve of controller control at this time makes liquid
The admission pressure of power retarder is 2.0bar, and the admission pressure maximum of Retarder is 2.0bar.
During driver gradually touches on the brake down pedal, if control switch is in the open state, hydrodynamic retarding
Device does not start；When baroceptor detects that air pressure reaches 1.0bar, pneumatic braking system starts to vehicle braking.
In this way, control switch transmits a signal to controller when driver opens control switch, it is in and beats in control switch
When open state, touch on the brake under driver pedal when, Retarder can not be started, in this way, when vehicle relatively jolts, even if driving
The foot for the person of sailing accidentally accidentally steps on brake pedal, will not start Retarder, and Retarder is avoided to hinder vehicle
Normally travel.
And when control switch is in close state, the air pressure in the gas circuit of pneumatic braking system is bigger, that is, drives
Touch on the brake under the person of sailing pedal amplitude it is bigger, then the aperture of controller control proportioning valve is bigger, so that Retarder
Admission pressure is bigger, and admission pressure is bigger, and the hydraulic oil that will to be pressed into working chamber from shoe cream room is more, thus will
Meeting is so that the braking moment of Retarder is bigger, in this way, Retarder can be according to the width for the pedal that touches on the brake under driver
Degree to generate corresponding braking moment to vehicle, so that driver is easier to the braking moment size of control Retarder.
Embodiment two
When braking to vehicle, driver gradually touches on the brake down pedal, gradually touches on the brake down pedal in driver
In the process, the air pressure in the gas circuit of the pneumatic braking system of vehicle is gradually increased；
During driver gradually touches on the brake down pedal, if control switch is in close state, work as air pressure sensing
When device detects that air pressure reaches 0.3bar, controller controls proportioning valve and opens, and Retarder is started to work, and controller controls ratio
The aperture of example valve makes the admission pressure of Retarder be 1.1bar；
When baroceptor detects that air pressure reaches 0.5bar, the aperture of controller control proportioning valve makes hydrodynamic retarding
The admission pressure of device is 1.55bar；
When baroceptor detects that air pressure reaches 0.7bar, the aperture of controller control proportioning valve makes hydrodynamic retarding
The admission pressure of device is 2.05bar；
When baroceptor detects that air pressure reaches 1.0bar, pneumatic braking system starts to vehicle braking, at this time liquid
Power retarder and pneumatic braking system carry out retarding braking to vehicle simultaneously, and the aperture of the proportioning valve of controller control at this time makes liquid
The admission pressure of power retarder is 2.05bar, and the admission pressure maximum of Retarder is 2.05bar.
During driver gradually touches on the brake down pedal, if control switch is in the open state, hydrodynamic retarding
Device does not start；When baroceptor detects that air pressure reaches 1.0bar, pneumatic braking system starts to vehicle braking.
Embodiment three
When braking to vehicle, driver gradually touches on the brake down pedal, gradually touches on the brake down pedal in driver
In the process, the air pressure in the gas circuit of the pneumatic braking system of vehicle is gradually increased；
During driver gradually touches on the brake down pedal, if control switch is in close state, work as air pressure sensing
When device detects that air pressure reaches 0.3bar, controller controls proportioning valve and opens, and Retarder is started to work, and controller controls ratio
The aperture of example valve makes the admission pressure of Retarder be 1.2bar；
When baroceptor detects that air pressure reaches 0.5bar, the aperture of controller control proportioning valve makes hydrodynamic retarding
The admission pressure of device is 1.6bar；
When baroceptor detects that air pressure reaches 0.7bar, the aperture of controller control proportioning valve makes hydrodynamic retarding
The admission pressure of device is 2.1bar；
When baroceptor detects that air pressure reaches 1.0bar, pneumatic braking system starts to vehicle braking, at this time liquid
Power retarder and pneumatic braking system carry out retarding braking to vehicle simultaneously, and the aperture of the proportioning valve of controller control at this time makes liquid
The admission pressure of power retarder is 2.1bar, and the admission pressure maximum of Retarder is 2.1bar.
During driver gradually touches on the brake down pedal, if control switch is in the open state, hydrodynamic retarding
Device does not start；When baroceptor detects that air pressure reaches 1.0bar, pneumatic braking system starts to vehicle braking.
The foregoing is only a description of the preferred application of the present invention, but is not to be construed as the limit to claim
System, structure of the invention can have other variations, be not limited to above structure.In short, all in independent claims of the invention
Protection scope in made various change be within the scope of the invention.
Claims (2)
1. a kind of control system of Retarder characterized by comprising
The controller and proportioning valve of Retarder itself；
Baroceptor in the gas circuit of the pneumatic braking system of vehicle is set, and the baroceptor is for detecting in gas circuit
Air pressure, the output end of the baroceptor and the input terminal of controller are coupled；And
Control switch on vehicle console is set, and the output end of the control switch and the input terminal of controller are coupled；
When braking to vehicle, driver gradually touches on the brake down pedal, the process for the pedal that gradually touches on the brake down in driver
In, the air pressure in the gas circuit of the pneumatic braking system of vehicle is gradually increased；
During driver gradually touches on the brake down pedal, if control switch is in close state, when baroceptor is examined
When measuring air pressure and reaching 0.3bar, controller controls proportioning valve and opens, and Retarder is started to work；When baroceptor detects
When reaching 1.0bar to air pressure, pneumatic braking system starts to vehicle braking；
During driver gradually touches on the brake down pedal, if control switch is in the open state, Retarder is not
Starting；When baroceptor detects that air pressure reaches 1.0bar, pneumatic braking system starts to vehicle braking.
2. the control system of Retarder according to claim 1, it is characterised in that:
When baroceptor detects that air pressure reaches 0.3bar, the aperture of controller control proportioning valve makes Retarder
Admission pressure is 1.0~1.2bar；
When baroceptor detects that air pressure reaches 0.5bar, the aperture of controller control proportioning valve makes Retarder
Admission pressure is 1.5~1.6bar；
When baroceptor detects that air pressure reaches 0.7bar, the aperture of controller control proportioning valve makes Retarder
Admission pressure is 2.0~2.1bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510321728.9A CN104908728B (en) | 2015-06-12 | 2015-06-12 | The control system and control method of Retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510321728.9A CN104908728B (en) | 2015-06-12 | 2015-06-12 | The control system and control method of Retarder |
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| Publication Number | Publication Date |
|---|---|
| CN104908728A CN104908728A (en) | 2015-09-16 |
| CN104908728B true CN104908728B (en) | 2019-01-22 |
Family
ID=54078289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510321728.9A Active CN104908728B (en) | 2015-06-12 | 2015-06-12 | The control system and control method of Retarder |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105398432A (en) * | 2015-11-30 | 2016-03-16 | 宁波华盛汽车部件有限公司 | Control system and method for hydrodynamic retarder |
| CN105480217A (en) * | 2015-11-30 | 2016-04-13 | 宁波华盛汽车部件有限公司 | Control system and control method for hydraulic retarder of vehicle |
| CN105691369B (en) * | 2016-03-01 | 2018-09-18 | 宁波华盛联合制动科技有限公司 | A kind of control system for accurately sensing Retarder pneumatics |
| CN114919550B (en) * | 2022-05-06 | 2023-03-24 | 东风柳州汽车有限公司 | Control method and device based on ABS (anti-lock braking system) hydrodynamic retarder |
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| CN2694613Y (en) * | 2003-04-01 | 2005-04-20 | 常州信德电器厂 | Electric vortex slow speed device controlling apparatus |
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| DE10338010B3 (en) * | 2003-08-19 | 2005-02-10 | Voith Turbo Gmbh & Co. Kg | Hydrodynamic retarder for water has mean number of blades from half sum of rotor and stator blades multiplied by profile displacement factor |
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| CN201712482U (en) * | 2010-06-13 | 2011-01-19 | 深圳市特尔佳科技股份有限公司 | Hydraulic retarder drive controller |
| CN203805880U (en) * | 2014-02-28 | 2014-09-03 | 林会明 | Control system of hydrodynamic retarder |
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| CN104908728A (en) | 2015-09-16 |
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Effective date of registration: 20240110 Address after: 315000 Science and Technology Park, Jiangshan Town, Yinzhou District, Ningbo City, Zhejiang Province (from Xiashi Village to Shanghe Village) Patentee after: NINGBO HUASHENG UNITED BRAKE TECHNOLOGY Co.,Ltd. Address before: Jiangshan Science & Technology Park 315191 Zhejiang city of Ningbo province Yinzhou District Ming Shulu No. 3 Patentee before: NINGBO HUASHENG AUTOMOBILE PARTS Co.,Ltd. |