CN202686329U - Downhill assisting system - Google Patents
Downhill assisting system Download PDFInfo
- Publication number
- CN202686329U CN202686329U CN 201220259805 CN201220259805U CN202686329U CN 202686329 U CN202686329 U CN 202686329U CN 201220259805 CN201220259805 CN 201220259805 CN 201220259805 U CN201220259805 U CN 201220259805U CN 202686329 U CN202686329 U CN 202686329U
- Authority
- CN
- China
- Prior art keywords
- central controller
- descending
- electrically connected
- brake
- ancillary system
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a downhill assisting system and aims at providing a downhill assisting system capable of effectively exerting a brake force of an engine when a vehicle runs down. The downhill assisting system comprises a central centralized controller, a rotating speed sensor, a horizontal sensor and a hydraulic control device, wherein the rotating speed sensor is electrically connected with the central centralized controller; the horizontal sensor is electrically connected with the central centralized controller; and the hydraulic control device is electrically connected with the central centralized controller. The downhill assisting system disclosed by the utility model has the beneficial effects that when the automobile runs down, the brake force of the engine can be effectively exerted; and the downhill assisting system is simple and quick in operation and high in safety coefficient.
Description
Technical field
The utility model relates to a kind of automobile ancillary system, especially relates to a kind of descending ancillary system.
Background technology
At present, vehicle adds the vehicle self gravitation in the driving process of descending road surface, and the speed of a motor vehicle is unhappy, but makes the people feel that the speed of a motor vehicle is very fast, and some driver likes neutral gear to slide, and often having ignored driving engine also is the actv. braking, just can't bring into play the braking effect of driving engine; Some driver hangs high speed gear, and pin is being stepped on brake pedal, in case do not know to start to stop working, handle lock after death brings larger danger; There is too many potential safety hazard.When the vehicle descending, can't effectively bring into play the braking force of driving engine.
Chinese patent Granted publication number: CN 2933991Y, Granted publication day is on August 15th, 2007, a kind of vehicle descending buffer is disclosed, formed by the brake disc alternately and the friction disc that are enclosed within on the brake axle, the middle pore area keyway of the friction disc of two sides band ferrodo, be meshed with the spline on the brake axle, brake disc is interior with coolant channel, also be set with the pneumatic piston that acts on brake disc and the friction disc on the brake axle, the brake axle two ends are connected between change-speed box transmission shaft and train transmission shaft.The weak point of this utility model is, when the vehicle descending, can't effectively bring into play the braking force of driving engine.
The utility model content
The utility model is the problem that can't effectively bring into play engine brake force when the vehicle descending in order to overcome in the prior art, and a kind of descending ancillary system that can effectively bring into play engine brake force when the vehicle descending is provided.
To achieve these goals, the utility model is by the following technical solutions:
A kind of descending ancillary system of the present utility model, comprise central controller, tachogen, horizon sensor and hydraulic control device, described tachogen is electrically connected with central controller, described horizon sensor is electrically connected with central controller, and described hydraulic control device is electrically connected with central controller.
Described tachogen is electrically connected with central controller, and tachogen sends tach signal to central controller for detection of the rotating speed of driving engine.Described horizon sensor is electrically connected with central controller, and whether horizon sensor is in the descending state for detection of automobile, in order to determine whether to start this device.Described hydraulic control device is electrically connected with central controller, and hydraulic control device is in order to guarantee the pressure in the brake cylinder.Vehicle is when the descending neutral position sliding, and driving engine keeps enough pressure to the continuous hydraulic pressure of brake cylinder, and design can be satisfied automobile can effectively be brought into play engine brake force when the vehicle descending requirement like this.
As preferably, described descending ancillary system also comprises car speed sensor, described car speed sensor is electrically connected with central controller, detect the moving velocity of automobile with car speed sensor, when the speed of a motor vehicle during greater than 60km/h, start-up system, when the speed of a motor vehicle during less than 10km/h, shutdown system avoids the automobile also can start-up system when low speed, the safety factor when having increased automobile downhill.
As preferably, described descending ancillary system also comprises brake module and stepping motor, described brake module is electrically connected with central controller, described stepping motor is electrically connected with central controller, brake module offers central controller, the central controller Driving Stepping Motor provides auxiliary braking force, in order to better bring into play engine brake force.
As preferably, described brake module is comprised of brake pedal and brake switch, described brake pedal is connected with brake switch, described brake switch is electrically connected with central controller, when the driver steps on brake pedal, brake switch sends signal to central controller, and speed-slackening signal reaches 3 seconds, and the central controller Driving Stepping Motor produces auxiliary braking power; During loosen the brake, brake switch blackout then, and stepping motor does not receive that speed of a motor vehicle Acceleration Signal still can work on, and continues to provide auxiliary braking power to driving engine, thereby so that braking force keep for a long time.
As preferably, described hydraulic control device places on the brake cylinder, is convenient to the pressure in the hydraulic control device control brake cylinder, is used for increase and the maintenance of pressure.
As preferably, described hydraulic control device comprises Hydraulic Pump and servovalve, described Hydraulic Pump is connected with servovalve, described servovalve places on the brake cylinder, described servovalve is electrically connected with central controller, Hydraulic Pump provides power for brake cylinder, and servo valve control hydraulic pressure makes brake cylinder work, and both are used to reach the purpose of regulating the internal pressure increase of control brake cylinder and keeping.
As preferably, described horizon sensor is installed on the auto body, and the horizon sensor that is installed on the vehicle body can better detect dip angle signal, comes the open and close of control system.
As preferably, described tachogen is installed on the automotive engine, is convenient to the detection of engine speed.
As preferably, described car speed sensor is installed on the automobile gearbox, is convenient to the detection of automobile speed.
The beneficial effects of the utility model are: automobile can effectively be brought into play the braking force of driving engine when the vehicle descending, simple and convenient, and safety factor is high.
Description of drawings
Fig. 1 is a kind of functional block diagram of the present utility model.
Among the figure: 1. central controller, 2. car speed sensor, 3. tachogen, 4. horizon sensor, 5. brake module, 6. stepping motor, 7. hydraulic control device.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Among the embodiment as shown in Figure 1, a kind of descending ancillary system, comprise central controller 1, car speed sensor 2, tachogen 3, horizon sensor 4, brake module 5, stepping motor 6 and hydraulic control device 7, described car speed sensor 2 is electrically connected with central controller 1, described tachogen 3 is electrically connected with central controller 1, described horizon sensor 4 is electrically connected with central controller 1, described brake module 5 is electrically connected with central controller 1, described stepping motor 6 is electrically connected with central controller 1, and described hydraulic control device 7 is electrically connected with central controller 1.Described brake module 5 is comprised of brake pedal and brake switch, and described brake pedal is connected with brake switch, and described brake switch is electrically connected with central controller 1.Described hydraulic control device 7 is installed in the brake cylinder.Described hydraulic control device 7 comprises Hydraulic Pump and servovalve, and described Hydraulic Pump is connected with servovalve, and described servovalve places on the brake cylinder, and described servovalve is electrically connected with central controller 1.Described horizon sensor 4 is installed on the auto body.Described tachogen 3 is installed on the automotive engine.Described car speed sensor 2 is installed on the automobile gearbox.
At first, detect dip angle signal by horizon sensor 4 and pass to central controller 1, when central central controller 1 is received the dip angle signal that horizon sensor 4 transmits, start the descending ancillary system.Meanwhile, detect vehicle speed signal by car speed sensor 2, detect engine rotational speed signal by tachogen 3, when car speed during greater than 60km/h, tachogen 3 is issued central controller 1 with vehicle speed signal, when simultaneously central controller 1 is received tach signal when driving engine is treated speed, the hydraulic control device 7 that central controller 1 drives in the brake cylinder, Hydraulic Pump provides the power of hydraulic pressure as brake cylinder, and the hydraulic oil that recycles cooled off and filter, servovalve acts in the hydraulic oil pipeline, by central controller 1 with the pipeline break-make of control hydraulic oil between from the pumping plant to the brake cylinder, make-and-break time, open aperture etc., reach control hydraulic pressure, the pressure in the brake cylinder is increased and maintenance.Then, when the driver steps on brake pedal, when central controller 1 received the signal that brake switch sends, speed-slackening signal reached 3 seconds, and central controller 1 Driving Stepping Motor 6 produces the auxiliary braking power; During loosen the brake, the blackout of brake switch, and stepping motor 6 still works on, and continues to provide auxiliary braking power to driving engine, thereby so that braking force keep for a long time.When the speed of a motor vehicle also existed less than 10km/h and dip angle signal, car speed sensor 2 sent vehicle speed signal to central controller 1, comes shutdown system.At last, when pedal was stepped on the throttle in driving again, central controller 1 received the signal that increases the speed of a motor vehicle, stepping motor 6 revolutions, and auxiliary braking power disappears.When vehicle during at parallel road traveling, central controller 1 is not received the dip angle signal that horizon sensor 4 transmits, and hydraulic control device 7 quits work, and system withdraws from automatically.
Claims (9)
1. descending ancillary system, it is characterized in that, comprise central controller (1), tachogen (3), horizon sensor (4) and hydraulic control device (7), described tachogen (3) is electrically connected with central controller (1), described horizon sensor (4) is electrically connected with central controller (1), and described hydraulic control device (7) is electrically connected with central controller (1).
2. descending ancillary system according to claim 1 is characterized in that, described descending ancillary system also comprises car speed sensor (2), and described car speed sensor (2) is electrically connected with central controller (1).
3. descending ancillary system according to claim 1 and 2, it is characterized in that, described descending ancillary system also comprises brake module (5) and stepping motor (6), described brake module (5) is electrically connected with central controller (1), and described stepping motor (6) is electrically connected with central controller (1).
4. descending ancillary system according to claim 3 is characterized in that, described brake module is comprised of brake pedal and brake switch, and described brake pedal is connected with brake switch, and described brake switch is electrically connected with central controller (1).
5. descending ancillary system according to claim 1 is characterized in that, described hydraulic control device (7) places on the brake cylinder.
6. descending ancillary system according to claim 5, it is characterized in that described hydraulic control device (7) comprises Hydraulic Pump and servovalve, described Hydraulic Pump is connected with servovalve, described servovalve places on the brake cylinder, and described servovalve is electrically connected with central controller (1).
7. descending ancillary system according to claim 1 is characterized in that, described horizon sensor (4) is installed on the auto body.
8. descending ancillary system according to claim 1 is characterized in that, described tachogen (3) is installed on the automotive engine.
9. descending ancillary system according to claim 2 is characterized in that, described car speed sensor (2) is installed on the automobile gearbox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220259805 CN202686329U (en) | 2012-05-31 | 2012-05-31 | Downhill assisting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220259805 CN202686329U (en) | 2012-05-31 | 2012-05-31 | Downhill assisting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202686329U true CN202686329U (en) | 2013-01-23 |
Family
ID=47541987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220259805 Expired - Lifetime CN202686329U (en) | 2012-05-31 | 2012-05-31 | Downhill assisting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202686329U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171557A (en) * | 2013-03-19 | 2013-06-26 | 清华大学 | Hybrid automobile engine auxiliary braking access control method |
| CN107738579A (en) * | 2017-11-14 | 2018-02-27 | 长安大学 | A kind of heavy goods vehicle lower long slope method of controlling security |
-
2012
- 2012-05-31 CN CN 201220259805 patent/CN202686329U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103171557A (en) * | 2013-03-19 | 2013-06-26 | 清华大学 | Hybrid automobile engine auxiliary braking access control method |
| CN103171557B (en) * | 2013-03-19 | 2016-01-20 | 清华大学 | A kind of hybrid electric vehicle engine auxiliary braking connection control method |
| CN107738579A (en) * | 2017-11-14 | 2018-02-27 | 长安大学 | A kind of heavy goods vehicle lower long slope method of controlling security |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104670044B (en) | A kind of control method and system of low speed crawling | |
| CN109455185B (en) | Method for estimating vehicle load coefficient according to automobile running equation | |
| CN108437793A (en) | A kind of method for controlling driving speed and its system for electric vehicle | |
| CN104553886A (en) | Automatic electric vehicle parking control method and automatic electric vehicle parking control device | |
| CN102180094A (en) | Method for controlling upper part of special vehicle | |
| RU2013145682A (en) | METHOD AND SYSTEM FOR DETERMINING THE CONTACT POINT FOR CLUTCH | |
| CN111038275B (en) | Control method and device for limiting overspeed of pure electric vehicle | |
| CN103303315A (en) | Vehicle control apparatus | |
| CN202686329U (en) | Downhill assisting system | |
| CN106627173A (en) | Intelligent control method of four-wheel electric vehicle | |
| CN106838290B (en) | Vehicle neutral gear accelerator control method and device | |
| CN104863988B (en) | Vehicle and clutch operating device, control system and method | |
| CN202180739U (en) | Electric sedan with electric power self-driving wheels | |
| CN109515210B (en) | Automatic gear switching system of pure electric vehicle | |
| CN107776403B (en) | Automobile accelerator mistaken stepping prevention system and method | |
| CN105015615B (en) | Speed regulation device of steering oil pump of commercial vehicle | |
| CN207360300U (en) | A kind of hydraulic driven road roller braking system | |
| CN202628280U (en) | Anti-flameout system of manual transmission car | |
| CN105904997A (en) | Pure electric vehicle low-speed safe moving control method and device | |
| CN109941341A (en) | A kind of control method and vehicle of electric hydaulic boost pump | |
| CN201792840U (en) | Automobile emergency brake system | |
| CN203255177U (en) | Elastic rubber belt energy accumulator type automobile braking energy regeneration control system | |
| CN103223946A (en) | Hybrid electric vehicle, control system and method for idling stop of hybrid electric vehicle | |
| CN103448718B (en) | Full hydraulic bulldozer | |
| CN202320290U (en) | Vehicle-mounted driving slope pavement automatic deceleration detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130123 |
|
| CX01 | Expiry of patent term |