CN105752058B - The whistle control system and control method of the auxiliary brake of mining engineering transportation vehicle vehicle - Google Patents
The whistle control system and control method of the auxiliary brake of mining engineering transportation vehicle vehicle Download PDFInfo
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- CN105752058B CN105752058B CN201610096457.6A CN201610096457A CN105752058B CN 105752058 B CN105752058 B CN 105752058B CN 201610096457 A CN201610096457 A CN 201610096457A CN 105752058 B CN105752058 B CN 105752058B
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- vehicle
- main control
- auxiliary brake
- control chip
- brake
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- 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
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- 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
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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- 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
- B60T2220/00—Monitoring, detecting driver behaviour; Signalling thereof; Counteracting thereof
- B60T2220/04—Pedal travel sensor, stroke sensor; Sensing brake request
Abstract
The invention discloses the whistle control systems and its control method of a kind of auxiliary brake of mining engineering transportation vehicle vehicle, including analog sensor, are connected to the foundation brakes of vehicle, to detect the analog quantity of foundation brakes；Main control chip, velocity sensor and speed probe communication connection with vehicle, to receive the speed signal and tach signal of vehicle, and main control chip also with the analog sensor communication connection of vehicle；Main control chip first determines whether received speed signal and tach signal are all larger than first predetermined value, if being all larger than first predetermined value, then continue to judge whether the analog quantity of foundation brakes is greater than second predetermined value, if it is greater than second predetermined value, then main control chip issues enabling signal to auxiliary brake.The present invention has and in emergency braking can shorten braking distance；It can reduce main brake load in non-emergent braking；Slope can guarantee that vehicle slowly travels under heavy loads, it is ensured that traffic safety.
Description
Technical field
The present invention relates to off-highway engineering transportation driving skills arts.It is more particularly related to a kind of mining engineering transportation
The whistle control system and control method of the auxiliary brake of vehicle vehicle.
Background technique
Along with the rapid advances of mining haul tool, various large-tonnage equipment are constantly updated, and mining engineering transportation vehicle is whole
The problem of it is even higher that standby quality has stepped up 90T by 40T, but vehicle brake efficiency cannot timely respond to braking requirement one
Directly annoying the development of large-tonnage haulage vehicle.The current braking system of large-tonnage engineering transportation vehicle, including vehicle main brake
The auxiliary braking system such as system and engine exhaust and brake, retarder braking system.The vehicle primary brake system is by foot system
Dynamic operation equipment, vehicle gas circuit and brake rim composition, step on brake operating equipment by foot to control vehicle gas circuit air pressure, make to brake
Drum generates braking effect；The engine exhaust and brake is to install exhaust butterfly valve additional in engine exhaust system, by controlling butterfly
The aperture of valve, regulating brake force output；The retarder braking system includes current vortex retarder or Retarder, wherein
Current vortex retarder is made of stator and rotor, and stator is fixed with vehicle chassis, and rotor and transmission axis connection are imitated using current vortex
It answers, generates the braking moment opposite with transmission rotational axis direction；The connection of one output end of Retarder and gearbox, it is internal
It is made of two opposed impellers, oil moves between two impellers, is accelerated then by an impeller by another impeller deceleration, to make
Output end generates opposite brake force.
In practice, because environment of mining area is severe, when driver operation Traditional project transport vehicle, often only rely on experience, when
When vehicle downhill retardation, low speed, under the operating conditions such as level road parking, equipment etc. is operated by corresponding bat-handle switch, foot brake, divides feelings
Condition and put into auxiliary braking, main brake；In an emergency situation, it is especially needed simultaneously when vehicle passes through biggish descending section
Bat-handle switch and foot brake operation equipment are stirred, auxiliary braking is put into simultaneously with main brake.It is tired to be also easy to produce driving for so operation
Phenomena such as labor, and because mode of braking is not scientific, Chang Fasheng primary brake system overheat, the brake force of auxiliary braking are inadequate, cause whole
Vehicle loses stopping power and leads to that safety accident occurs.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
A further object of the invention is to receive speed, tach signal, master by the main control chip in whistle control system
The analog quantity of brake simultaneously carries out logic judgment, realizes the auxiliary brake of automation control vehicle.
A further object of the invention is that the predetermined value of the analog quantity of multiple groups foundation brakes, master control are set in main control chip
After chip receives after the analog quantitys of the current foundation brakes of vehicle compared with the predetermined value of setting, control row according to the actual situation
Air braking system and/or retarder braking system export corresponding brake force.
A further object of the invention is realized by the way that manipulation of switches is arranged on the whistle control system of auxiliary brake
The free switching of the automatic manipulation and manual manipulation of the auxiliary brake of vehicle.
In order to realize these purposes and other advantages according to the present invention, a kind of letter of the auxiliary brake of vehicle is provided
Number control system, comprising:
Analog sensor is connected to the foundation brakes of the vehicle, to detect the analog quantity of the foundation brakes；
Main control chip, velocity sensor and speed probe communication connection with the vehicle, to receive the speed of vehicle
Spend signal and tach signal, and the main control chip also with the analog sensor communication connection of the vehicle；
Wherein, it is pre- to first determine whether received speed signal and tach signal are all larger than first for the main control chip
Definite value continues to judge whether the analog quantity of the foundation brakes is greater than second predetermined value if being all larger than first predetermined value, such as
Fruit is greater than second predetermined value, then the main control chip issues enabling signal to the auxiliary brake.
Preferably, the analog sensor is displacement sensor, detects the displacement of the foundation brakes, to make
For the analog quantity of the foundation brakes.
Preferably, the auxiliary brake includes the exhaust and brake system controlled for automobile exhaust, and is directed to
The retarder braking system that the direction of rotation of vehicle transmission system and braking moment are controlled, when the main control chip is to described auxiliary
When brake being helped to issue enabling signal, the whistle control system controls the exhaust and brake system and exports brake force F1, and controls
Make the retarder braking system output brake force F2.
Preferably, when the analog quantity of the foundation brakes is greater than third predetermined value, wherein third predetermined value is greater than the
Two predetermined values control the retarder braking system output brake force F3, and wherein F3 is greater than F2.
Preferably, the retarder braking system exports the size of brake force F2 with the analog quantity of the foundation brakes
Size increase and increase.
Preferably, the foundation brakes touch on the brake for foot, and clutch pedal of the main control chip also with the vehicle
Motion detection equipment and/or the connection of gas pedal motion detection device talk, when the clutch pedal for detecting the vehicle acts
And/or when gas pedal movement, the main control chip stops issuing enabling signal to the auxiliary brake.
Preferably, further includes:
The receiving end of the main control chip is arranged in manipulation of switches, is believed with cutting off the main control chip to the speed
Number, the judgment step of the analog quantity of the tach signal and the foundation brakes, and turn to manual manipulation auxiliary brake mould
Formula.
The present invention also provides a kind of control methods of the auxiliary brake of vehicle, comprising:
The analog quantity of the foundation brakes is detected by analog sensor；
The speed signal and tach signal of vehicle are detected by velocity sensor and speed probe；
Detected analog quantity, speed signal and tach signal are received by main control chip, and first determine whether to be connect
Whether the speed signal and tach signal received is all larger than first predetermined value, if being all larger than first predetermined value, continues to judge
Whether the analog quantity of the foundation brakes is greater than second predetermined value, and if it is greater than second predetermined value, then the main control chip is to institute
It states auxiliary brake and issues enabling signal.
Preferably, the automatic of control signal is sent to the auxiliary brake in the main control chip by manipulation of switches
Switch between manipulation auxiliary brake mode and manual manipulation auxiliary brake mode, and when in automatic manipulation auxiliary brake
When mode, analog quantity, speed signal and the tach signal that main control chip real-time reception is detected, and execute judgment step.
Preferably, when the main control chip detects the clutch pedal movement and/or gas pedal movement of the vehicle
When, the main control chip stops issuing enabling signal to the auxiliary brake.
The present invention provides a kind of whistle control systems of the auxiliary brake of vehicle, receive vehicle by main control chip
Speed signal and tach signal, and judged, when speed signal is all larger than the first predetermined value of setting with tach signal, into
The judgement for entering the analog quantity of foundation brakes, when analog quantity is greater than the second predetermined value of setting, main control chip is to auxiliary brake
Enabling signal is issued, realize intelligent starting auxiliary brake and controls the size of the brake force of auxiliary brake output, is solved
The not high problem of Traditional project transport vehicle synthetical restraint efficiency stablizes engineering transportation vehicle within the scope of certain safe speed,
And in heavy duty, brake suddenly, intelligent control auxiliary brake of the present invention mitigate to machines such as vehicle bridge, leaf spring, gearboxes vehicle when driving
The inertia impact of tool component.In summary, the whistle control system and control method of the auxiliary brake of vehicle of the present invention, significantly
The safety for improving engineering transportation vehicle, especially suitable for large-tonnage engineering transportation vehicle under heavy loads slope when brake request:
When emergency braking, braking distance can be shortened；In non-emergent braking, main brake load can reduce, reduce abrasion；In heavy duty
When descending, it can guarantee that vehicle slowly travels, it is ensured that traffic safety.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the circuit connection schematic diagram of the whistle control system of the auxiliary brake of vehicle in the present invention；
Fig. 2 is the workflow schematic diagram of the whistle control system of the auxiliary brake of vehicle in the present invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, and is not the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
Existing engineering transportation vehicle includes two sets of braking systems, respectively primary brake system and auxiliary braking system, wherein
Auxiliary braking system includes exhaust and brake system and retarder braking system.Existing engineering transportation vehicle is by manually controlling
Corresponding exhaust brake operates equipment and retarder brake operating equipment to control exhaust and brake system and retarder braking system
Export different size of brake force.
As shown in Figs. 1-2, the present invention provides a kind of whistle control system realized and controlled auxiliary braking system, packet
It includes:
Analog sensor 1 is connected to the foundation brakes of the vehicle, to detect the analog quantity of the foundation brakes,
Here analog sensor 1 can be displacement sensor, pressure sensor etc., when analog sensor 1 is displacement sensor,
By detecting the displacement of foundation brakes, as analog quantity；When analog sensor 1 is pressure sensor, pass through detection
Amount of pressure on foundation brakes, as analog quantity.
Main control chip 9, velocity sensor and speed probe communication connection with the vehicle, i.e., with the revolving speed of vehicle
Table 7 and mileometer 10 carry out communication connection, to receive the speed signal and tach signal of vehicle, and the main control chip 9 also with
The analog sensor communication connection of the vehicle, to receive the analog signals of vehicle.
Wherein, the main control chip 9 first determines whether received speed signal V and tach signal A are all larger than the
One predetermined value, for example, the first predetermined value of the speed signal set is V herein1, the first predetermined value of tach signal is A1If
It is all larger than first predetermined value, i.e. V > V1And A > A1, then continue to judge whether the analog quantity K of the foundation brakes is greater than second in advance
Definite value detects speed and revolving speed if one of them are not more than first predetermined value again, for example, second set is predetermined herein
Value is K1, if it is greater than second predetermined value, i.e. K > K1, then the main control chip 9 issues enabling signal to the auxiliary brake.
If otherwise V < V1, then the stopping of main control chip 9 judges that analog quantity K, return upper level continue to speed signal V and tach signal
A, if V > V1And A > A1, and K < K1, then return and continue to speed signal V and tach signal A, or return and continue to receive to work as
Lower die analog quantity K continues to judge whether analog quantity instantly is greater than K1。
In another technical solution, the analog sensor is displacement sensor, detects the foundation brakes
Displacement, using the analog quantity as the foundation brakes.
In another technical solution, the auxiliary brake includes the exhaust brake system controlled for automobile exhaust
System 6, and for the retarder braking system 5 that the direction of rotation of vehicle transmission system and braking moment are controlled.The vehicle
The whistle control system of auxiliary brake further include: when the main control chip 9 issues enabling signal to the auxiliary brake,
The whistle control system controls the exhaust and brake system 6 and exports brake force F1, and it is defeated to control the retarder braking system 5
Brake force F out2, retarder braking system 5 is Retarder or current vortex retarder herein.For example, working as K > K1When, it is described
Main control chip 9 issues enabling signal to the auxiliary brake, while controlling exhaust and brake system 6 and exporting brake force F1And it controls
Retarder braking system 5 processed exports brake force F2。
In another technical solution, the whistle control system of the auxiliary brake of the vehicle further include: as the master
The analog quantity of brake is greater than third predetermined value K2When, wherein third predetermined value is greater than second predetermined value, i.e. K > K2> K1When, control
It makes the retarder braking system 5 and exports brake force F3, wherein F3Greater than F2.In the above-mentioned technical solutions, work as K2>=K > K1When,
Main control chip 9 controls exhaust and brake system 6 and exports brake force F1And control retarder braking system 5 exports brake force F2, the shape
Vehicle can be maintained to travel under state in corresponding vehicle speed range；As K > K2When, main control chip 9 can control retarder braking system 5 defeated
Brake force F out3；It can thus be appreciated that this main control chip 9 has the function of individually control exhaust and brake system 6 and retarder braking system 5
Can, one of those or two can be activated individually in exhaust and brake system 6 and retarder braking system 5 under the control of main control chip 9
It is a, rather than must start simultaneously.
In another technical solution, the whistle control system of the auxiliary brake of the vehicle further include: described slow
Device braking system 5 exports brake force F2Size with the foundation brakes analog quantity size increase and increase, indicate
Main control chip 9 divides retarder braking system 5 for multiple shelf grades, each shelf grade one perseverance of corresponding output according to the size of analog quantity
Fixed constant brake force Fx.For example, can set multiple second predetermined values in main control chip 9, arrangement from big to small is once Kn、
Kn-1、…、K2、K1, as vehicle present day analog amount K > KnWhen, retarder braking system 5 exports brake force Fn, when the current mould of vehicle
Analog quantity Kn>=K > Kn-1When, retarder braking system 5 exports brake force Fn-1..., as vehicle present day analog amount K3>=K > K2When,
Retarder braking system 5 exports brake force F2, as vehicle present day analog amount K2≥K>K1When, the output braking of retarder braking system 5
Power F1, and Fn> Fn-1> ... > F2> F1, to realize the intelligence output of the brake force of multiple shelf grades of auxiliary brake.
In another technical solution, the foundation brakes touch on the brake for foot, and the main control chip 9 also with the vehicle
Clutch pedal motion detection equipment and/or gas pedal motion detection device talk connection, when detect the vehicle from
When closing pedal movement and/or gas pedal movement, the main control chip 9 stops issuing enabling signal to the auxiliary brake.
In the above-mentioned technical solutions, clutch pedal motion detection equipment and gas pedal motion detection equipment can be setting and steps in clutch
Displacement sensor or pressure sensor on plate and gas pedal etc., when main control chip 9 detects the movement of gas pedal
It when signal, indicates that vehicle may will accelerate, does not need brake force, main control chip 9 stops issuing to auxiliary brake and open at this time
Dynamic signal, returns to initial detecting judgment step, speed, revolving speed and analog quantity is detected and judged again；When master control core
When piece 9 detects clutch pedal movement, indicating that vehicle may need shift speed change, it may be possible to acceleration is likely to be deceleration, this
When main control chip 9 stop issuing enabling signal, mould that need to again to current vehicle speed, revolving speed and foundation brakes to auxiliary brake
Analog quantity carries out judgment step.
In another technical solution, the whistle control system of the auxiliary brake of the vehicle further include:
Manipulation of switches is electrically connected with the receiving end of the main control chip 9, to cut off the main control chip 9 to the speed
The judgment step of the analog quantity of signal, the tach signal and the foundation brakes is spent, and turns to manual manipulation auxiliary braking
Device mode.In the above-mentioned technical solutions, when the manipulation of switches 4 disconnects, whistle control system enters standby mode, no longer to speed
Degree signal, tach signal and analog signals are judged, remain to receive tach signal and speed signal, are in energization shape
State, similar to television set plug-in but not by the state of switch.
In the above-mentioned technical solutions, the signal control system of the auxiliary brake of vehicle is mountable to vehicle cab instrument desk
On, but it is not limited to this locates.The internal structure of the signal control system of the auxiliary brake of vehicle is in addition to main component main control chip 9
It outside, further include having several resistance, capacitor, chip and printed circuit board with latch function, by electrical connection between them,
Similar to the controller of conventional black box etc；The external structure of the whistle control system of the auxiliary brake of vehicle is provided with
Several input ports and output port.Wherein, input port checks that equipment 2, throttle are dynamic with the clutch operating on vehicle respectively
Make detection device 3, analog sensor (sensor on foundation brakes is set), manipulation of switches 4, revolution counter 7 and mileage
Table 10 is electrically connected, and wherein clutch operating checks equipment 2 and throttle motion detection equipment 3 is displacement sensor or pressure sensing
The analog sensors such as device；Output port is electrically connected with exhaust and brake system 6 and retarder braking system 5 respectively, auxiliary to control
Braking system is helped, output port can also be electrically connected with display device 8, and display device 8, which has, shows current primary brake system
Analog quantity, for user's real-time monitoring.
The present invention also provides a kind of control methods of the auxiliary brake of vehicle for main control chip 9, comprising:
The analog quantity of the foundation brakes is detected by analog sensor, analog signals here can be displacement letter
Number or pressure signal etc.；
The speed signal and tach signal of vehicle are detected by velocity sensor and speed probe；
Detected analog quantity, speed signal and tach signal are received by main control chip 9, and first determine whether to be connect
Whether the speed signal and tach signal received is all larger than first predetermined value, if being all larger than first predetermined value, continues to judge
Whether the analog quantity of the foundation brakes is greater than second predetermined value, and if it is greater than second predetermined value, then the main control chip 9 is to institute
It states auxiliary brake and issues enabling signal.For example, the first predetermined value of the speed signal set is V herein1, the of tach signal
One predetermined value is A1, second predetermined value K1, the present speed signal and tach signal of measurement are respectively V and A, i.e. V > V1And A
> A1When, continue to judge current analog quantity K, if K > K1, then main control chip 9 issues enabling signal, starting to auxiliary brake
Exhaust and brake system 6 and/or retarder braking system 5 in auxiliary braking system export corresponding brake force, also do not arrange here
Except main control chip 9 can control other braking systems in auxiliary brake, if K≤K1, then return to upper level and continue to test currently
Analog quantity again with K1Compare, or return to initial detecting current vehicle speed and revolving speed, then with speed V1With revolving speed A1It is compared.
In another technical solution, is sent and controlled to the auxiliary brake in the main control chip 9 by manipulation of switches
Switch between the automatic manipulation auxiliary brake mode and manual manipulation auxiliary brake mode of signal processed, and when in automatic behaviour
When controlling auxiliary brake mode, analog quantity, speed signal and the tach signal that 9 real-time reception of main control chip is detected, and hold
Row judgment step.After manipulation of switches 4 disconnects, whistle control system enters standby mode, no longer to speed signal, tach signal
And analog signals are judged, remain to receive tach signal and speed signal, are in energized state, are similar to the TV machine transplanting of rice
Electricity but not by the state of switch.
In another technical solution, when the main control chip 9 detects clutch pedal movement and/or the oil of the vehicle
When door pedal movement, the main control chip 9 stops issuing enabling signal to the auxiliary brake.In the above-mentioned technical solutions,
When main control chip 9 detects the movement of gas pedal, indicates that vehicle may will accelerate, do not need brake force, at this time master control
Chip 9 stops issuing enabling signal to auxiliary brake；When main control chip 9 detects clutch pedal movement, indicate that vehicle can
Can need shift speed change, at this time main control chip 9 stop to auxiliary brake issue enabling signal, need to again to current vehicle speed, turn
Speed and the analog quantity of foundation brakes carry out judgment step.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (9)
1. a kind of whistle control system of the auxiliary brake of mining engineering transportation vehicle vehicle characterized by comprising
Analog sensor is connected to the foundation brakes of the vehicle, to detect the analog quantity of the foundation brakes；
Main control chip, velocity sensor and speed probe communication connection with the vehicle, to receive the speed letter of vehicle
Number and tach signal, and the main control chip also with the analog sensor communication connection of the vehicle；
Wherein, it is predetermined to first determine whether received speed signal and tach signal are all larger than first for the main control chip
Value, if being all larger than first predetermined value, continues to judge whether the analog quantity of the foundation brakes is greater than second predetermined value, if
Greater than second predetermined value, then the main control chip issues enabling signal to the auxiliary brake；
The foundation brakes touch on the brake for foot, and the main control chip also with the clutch pedal motion detection equipment of the vehicle
And/or the connection of gas pedal motion detection device talk, when the clutch pedal movement and/or gas pedal for detecting the vehicle
When movement, the main control chip stops issuing enabling signal to the auxiliary brake.
2. the whistle control system of the auxiliary brake of mining engineering transportation vehicle vehicle as described in claim 1, feature exist
It is displacement sensor in, the analog sensor, detects the displacement of the foundation brakes, using as the foundation brakes
Analog quantity.
3. the whistle control system of the auxiliary brake of mining engineering transportation vehicle vehicle as described in claim 1, feature exist
In the auxiliary brake includes the exhaust and brake system controlled for automobile exhaust, and the rotation for vehicle transmission system
Turn direction and retarder braking system that braking moment is controlled, when the main control chip is opened to auxiliary brake sending
When dynamic signal, the whistle control system controls the exhaust and brake system and exports brake force F1, and controls the retarder system
Dynamic system exports brake force F2.
4. the whistle control system of the auxiliary brake of mining engineering transportation vehicle vehicle as claimed in claim 3, feature exist
In when the analog quantity of the foundation brakes is greater than third predetermined value, wherein third predetermined value is greater than second predetermined value, controls institute
Retarder braking system output brake force F3 is stated, wherein F3 is greater than F2.
5. the whistle control system of the auxiliary brake of mining engineering transportation vehicle vehicle as claimed in claim 3, feature exist
In, retarder braking system output brake force F2 size with the foundation brakes analog quantity size increase and
Increase.
6. the whistle control system of the auxiliary brake of mining engineering transportation vehicle vehicle as described in claim 1, feature exist
In, further includes:
The receiving end of the main control chip is arranged in manipulation of switches, to cut off the main control chip to the speed signal, institute
The judgment step of the analog quantity of tach signal and the foundation brakes is stated, and turns to manual manipulation auxiliary brake mode.
7. a kind of signal control of the auxiliary brake of the mining engineering transportation vehicle vehicle as described in any one of claim 1 ~ 6
The control method of system characterized by comprising
The analog quantity of the foundation brakes is detected by analog sensor；
The speed signal and tach signal of vehicle are detected by velocity sensor and speed probe；
Detected analog quantity, speed signal and tach signal are received by main control chip, and are first determined whether received
Speed signal and tach signal whether be all larger than first predetermined value, if being all larger than first predetermined value, continue described in judgement
Whether the analog quantity of foundation brakes is greater than second predetermined value, and if it is greater than second predetermined value, then the main control chip is to described auxiliary
Brake is helped to issue enabling signal.
8. the controlling party of the whistle control system of the auxiliary brake of mining engineering transportation vehicle vehicle as claimed in claim 7
Method, which is characterized in that send the automatic behaviour of control signal to the auxiliary brake in the main control chip by manipulation of switches
Switch between control auxiliary brake mode and manual manipulation auxiliary brake mode, and when in automatic manipulation auxiliary brake mould
When formula, analog quantity, speed signal and the tach signal that main control chip real-time reception is detected, and execute judgment step.
9. the controlling party of the whistle control system of the auxiliary brake of mining engineering transportation vehicle vehicle as claimed in claim 8
Method, which is characterized in that when the main control chip detects that the clutch pedal movement of the vehicle and/or gas pedal act,
The main control chip stops issuing enabling signal to the auxiliary brake.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610096457.6A CN105752058B (en) | 2016-02-22 | 2016-02-22 | The whistle control system and control method of the auxiliary brake of mining engineering transportation vehicle vehicle |
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| CN201610096457.6A CN105752058B (en) | 2016-02-22 | 2016-02-22 | The whistle control system and control method of the auxiliary brake of mining engineering transportation vehicle vehicle |
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| 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 |
| KR102078880B1 (en) * | 2019-10-25 | 2020-04-07 | 오준우 | One touch type auxiliary brake device for driving lessons |
| CN112783032A (en) * | 2020-12-30 | 2021-05-11 | 东风越野车有限公司 | Exhaust brake control system of unmanned vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1415510A (en) * | 2001-11-01 | 2003-05-07 | 现代自动车株式会社 | Automotive auxiliary brake |
| CN101049804A (en) * | 2007-05-11 | 2007-10-10 | 江苏大学 | Joint controller of service brake of auto car and relaxed speed device, and controlling method |
| CN102029986A (en) * | 2010-12-03 | 2011-04-27 | 徐州重型机械有限公司 | Brake control method and system of wheel type chassis as well as crane with brake control system |
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