CN201092313Y - Multifunctional braking system having feedback accommodation - Google Patents
Multifunctional braking system having feedback accommodation Download PDFInfo
- Publication number
- CN201092313Y CN201092313Y CNU2007200801838U CN200720080183U CN201092313Y CN 201092313 Y CN201092313 Y CN 201092313Y CN U2007200801838 U CNU2007200801838 U CN U2007200801838U CN 200720080183 U CN200720080183 U CN 200720080183U CN 201092313 Y CN201092313 Y CN 201092313Y
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- brake
- hydraulic
- hydraulic pressure
- controller
- feedback regulation
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- Valves And Accessory Devices For Braking Systems (AREA)
- Regulating Braking Force (AREA)
Abstract
The utility model relates to a multifunctional brake system with feedback regulation function, in particular to a two-brake system provided with an auxiliary brake system, wherein for assisting prior brake system, a hydraulic exchanger is serially connected with a hydraulic tube communicating a prior hydraulic brake pump assembly and an ABS anti-lock device, an oil pot and the hydraulic exchange are serially connected with an auxiliary brake pump via a hydraulic tube to form an auxiliary brake oil line, the hydraulic exchanger is provided with a hydraulic sensor which output wire is connected with a controller, the output wire of the controller is connected with the auxiliary brake pump to form a feedback regulation controller, the controller is further connected with vehicle state sensors as a pressure sensor of an accelerator error-pedal device. The multifunctional brake system can normally brake when prior hydraulic brake pump assembly has accident and alarm a maintenance signal to prevent accident, which can quickly brake and quickly release brake to process emergence brake reaction on different vehicle states.
Description
Technical field
The utility model belongs to the automobile brake system technical field, particularly also is provided with the dual brake truck system of a cover assist brake system.
Background technology
Chinese patent application number is 200610107167.3 to disclose a kind of electrical controlled brake of traveling crane, form by Hydraulic Pump, check valve and electrical motor, behind this electrical controlled brake of traveling crane series connection access automobile brake master cylinder, before the brake cylinder, for being independent of the additional brake system of running brake system.It is a kind of electrical controlled brake of traveling crane that major part is formed with the little displacement hydraulic pump of high pressure that this invention proposes a kind of, form by Hydraulic Pump, check valve and electrical motor, after electrical controlled brake of traveling crane series connection inserts the master brake cylinder of running brake system, brake cylinder (or ABS hydraulic pressure regulator) is preceding.When chaufeur was implemented conventional service brake, the master brake cylinder braking liquid flowed into through the Hydraulic Pump oil inlet, flows to ABS hydraulic pressure regulator or brake cylinder by oil outlet again, and check valve provides accelerated passage for braking liquid.During brake off, wheel cylinder inner high voltage braking liquid flows back to the master brake cylinder fluid reservoir through Hydraulic Pump, and original performance of running brake system is unaffected.
When electrical controlled brake of traveling crane was worked, Hydraulic Pump started running, and braking liquid is sucked by master brake cylinder, formed high hydraulic brake fluid oil stream and flowed to ABS hydraulic pressure regulator or brake cylinder, set up the brake cylinder line pressure, realized the automatic control running braking function.After automatic control service brake process finished, brake cylinder pipeline inside brake liquid flowed back to the master brake cylinder fluid reservoir through Hydraulic Pump (utilizing the natural leak after Hydraulic Pump is shut down), and the brake piping internal pressure descends, and the running brake system returns to normal.
The shortcoming of this technology is: " when electrical controlled brake of traveling crane is worked ... braking liquid is sucked by master brake cylinder ".Because of the mode of operation of master brake cylinder can not in time provide the amount of the brake solution that automatically controlled brake needs, make this automatically controlled brake be difficult to be implemented in the needs of emergency brake such as mistake step on the gas.This technology has been used the oil circuit in the hydraulic brake system, but after carrying out this automatically controlled service brake brake, " the brake piping internal pressure descends, and the running brake system returns to normal." be impossible.Because after external force adds; the unable driving of hydraulic recovery in the oil circuit and time are long; and by utilizing the natural leak after Hydraulic Pump is shut down to return to normal too slow; and how much difficult definite former normality pressure is; as seen can not find recovery value and be difficult to recovery; make brake be difficult to return to previous status, brake is difficult to return to previous status and then easily produces the brake accident.
Summary of the invention
The purpose of this utility model is the defective that overcomes prior art, provide a kind of master cylinder that can keep to be in normal working, can make correct emergency brake to various emergency episodes, can recover the multifunctional brake system that former master cylinder is in normal working rapidly again with feedback regulation effect.
Design of the present utility model is: increase an assist brake pump again on the basis of existing master brake cylinder, in the brake fluid line of master cylinder, establish a hydraulic pressure transducer, the pressure signal of hydraulic pressure transducer is after a controller is analyzed, control assist brake pump passes through forward or reverse, to the feedback regulation that the brake fluid line pressure of master cylinder pressurizes or reduces pressure, make the brake fluid line pressure of master cylinder keep normal working.Having overcome Chinese patent application and number be 200610107167.3 technology has only with unidirectional " the little displacement hydraulic pump of high pressure " and to brake; return to normal too slowly, can not in the time of determining, return to normal hydraulic state with the natural leak after shutting down; the time that starts vehicle once more be can not determine; stop for a long time when emergency brake the position; waste time, block the traffic even cause other people car to hit this car accident, and lack practicality.
Because controller of the present utility model can be controlled last brake through the assist brake pump, behind the signal transducer that the various vehicles of connection should brake on the controller, in the time of the brake demand occurring to various vehicles, self-actuating brake, effectively avoid vehicle to brake, and the driver does not brake or can not rapid reaction make the faulty operation of stopping immediately.
Structure of the present utility model is:
Multifunctional brake system with feedback regulation effect, comprise the water brake pump assembly, ABS anti-lock device, the brake gear that are communicated with hydraulic pipe, and the water brake pump assembly also is communicated with oil can in addition, it is characterized in that: the new hydraulic pressure exchanger of connecting in the hydraulic pipe of the water brake pump assembly that former car has and the connection of ABS anti-lock device; Gang up by the assist brake pump with hydraulic pipe between oil can and the hydraulic pressure exchanger and form the assist brake oil circuit; Be provided with hydraulic pressure transducer in the hydraulic pressure exchanger, the output lead of hydraulic pressure transducer is connected with controller, and controller output lead and assist brake pump connect to form the feedback regulation control device.Hydraulic pressure transducer passes to controller to the signal whether brake hydraulic in the hydraulic pressure exchanger is in normal condition, after controller is analyzed, driving the oil suction from oil can of assist brake pump pressurizes in the hydraulic pressure exchanger, or backward rotation oil suction and reduce hydraulic pressure in the hydraulic pressure exchanger in the hydraulic pressure exchanger, make that the hydraulic pressure in the feedback regulation hydraulic pressure exchanger is in normal working.
Self-actuating brake when various brake demand occurring at vehicle, effectively avoid vehicle to brake, and the driver does not brake or can not rapid reaction make the faulty operation of stopping immediately, and controller also is connected with various vehicle-state sensors, answers braking state to make the automatic emergency brake to various vehicles.Various vehicle-state sensors can be: backing distance sensor, the pressure sensor of mistake step on the gas device, a certain or its combination of the pressure sensor of blowing out.The multifunctional brake system that the utlity model has the feedback regulation effect just can transfinite to backing distance, step on the gas behavior, the accident of blowing out etc. are made instant brake by mistake, avoids or the generation of elimination accident.
Mistake step on the gas device comprises Das Gaspedal, Das Gaspedal and brake gear bonded assembly mechanical linkage, car body device and signal head, any one device between Das Gaspedal or mechanical linkage and the car body device is provided with one or more signal heads, has at least one to be the pressure sensor of mistake step on the gas device in the signal head.The output brake signal of the pressure sensor of mistake step on the gas device generally is made as when being subjected to 25 kilograms of pressure, the output brake signal.
Controller can also connect a flag alarm, whether the hydraulic pressure in the hydraulic pressure exchanger that can experience with monitor controller mode of operation and hydraulic pressure transducer is normal, if the hydraulic pressure in the hydraulic pressure exchanger often is in when needing controller drives assist brake pump to carry out back work, prove that the water brake pump assembly has the fault want of repair.
Advantage of the present utility model:
1, solves existing water brake pump assembly fault: on the basis of existing water brake pump assembly, increase an assist brake pump again, when the water brake pump assembly breaks down, driving the assist brake pump auxiliary by the hydraulic pressure transducer feedback signal is the output hydraulic pressure of positive and negative bidirectional compensating water brake pump assembly, makes brake hydraulic keep normal working.
2, whether work of flag alarm monitor controller and monitoring brake hydraulic keep normal condition, send the warning maintenance signal when fault is arranged, and the accident that prevents takes place.
3, brake and remove fast brake fast: because the assist brake pump is with reciprocating pump that can positive and negative two-way rotation, positive and negative two-way rotation is subjected to the fast control of electronic controller and speed of response is exceedingly fast.Solved return to normal too slow problem of existing natural leak after shutting down with Hydraulic Pump.Can not regularly accurately recover normal condition.
4, can make the emergency brake reaction to many states that vehicle need brake: on controller, connect each vehicle-state sensor, as connect pressure sensor, the pressure sensor etc. of blowing out of backing distance sensor, mistake step on the gas device, just can be, correct and miss that step on the gas becomes emergency brake, emergency brake etc. is made automatic, quick, correct emergency brake action when blowing out to collisions that prevent to move backward.
Description of drawings
Fig. 1 is the connected system scheme drawing of each parts of the utility model;
1 is water brake pump assembly, the 2nd among the figure, ABS anti-lock device, the 3rd, brake gear, the 4th, oil can, the 5th, hydraulic pressure exchanger, the 6th, assist brake pump, the 9th, hydraulic pressure transducer, the 10th, controller.
The specific embodiment
Major part and structural relation with existing hydraulic brake system are constant, increase assist brake pump 6 associated components such as grade, its method for making is: keep existing water brake pump assembly 1, ABS anti-lock device 2, brake gear 3, and water brake pump assembly 1 is communicated with oil can 4 in addition also.Improvement is: increase a cover assist brake pump 6 systems, assist brake pump 6 systems are, are in series with hydraulic pressure exchanger 5 in water brake pump assembly 1 and hydraulic pipe that ABS anti-lock device 2 is communicated with; Hydraulic pressure exchanger 5 is multi-channel chambers that connect the turnover brake oil pipe.
Gang up by assist brake pump 6 with hydraulic pipe between oil can 4 and the hydraulic pressure exchanger 5 and form the assist brake oil circuit; Be provided with hydraulic pressure transducer 9 in the hydraulic pressure exchanger 5, the output lead of hydraulic pressure transducer 9 is connected with controller 10, and controller 10 output leads and assist brake pump 6 connect to form the feedback regulation control device.
Assist brake pump 6 usefulness have electrically operated toward double acting pump, be that assist brake pump 6 is positive and negatively to rotate, realize brake fast among pumping into hydraulic pressure exchanger 5 to the quick sucking-off of the oil in the oil can 4, can pump into the quick sucking-off of oil among the hydraulic pressure exchanger 5 again and realize removing brake in the oil can 4.
Mistake step on the gas device comprises Das Gaspedal, Das Gaspedal and brake gear bonded assembly mechanical linkage, car body device and signal head, any one device between Das Gaspedal or mechanical linkage and the car body device is provided with one or more signal heads, has at least one to be the pressure sensor of mistake step on the gas device in the signal head.The output brake signal of the pressure sensor of mistake step on the gas device generally is made as when being subjected to 25 kilograms of pressure, the output brake signal.
Claims (6)
1. the multifunctional brake system that has the feedback regulation effect, comprise the water brake pump assembly (1), ABS anti-lock device (2), the brake gear (3) that are communicated with hydraulic pipe, and water brake pump assembly (1) also in addition is communicated with oil can (4), it is characterized in that: be in series with hydraulic pressure exchanger (5) in water brake pump assembly (1) and the hydraulic pipe that ABS anti-lock device (2) is communicated with; Gang up assist brake pump (6) with hydraulic pipe between oil can (4) and the hydraulic pressure exchanger (5) and formed the assist brake oil circuit; Be provided with hydraulic pressure transducer (9) in the hydraulic pressure exchanger (5), the output lead of hydraulic pressure transducer (9) is connected with controller (10), and controller (10) output lead and assist brake pump (6) connect to form the feedback regulation control device.
2. the multifunctional brake system with feedback regulation effect according to claim 1 is characterized in that: controller (10) also is connected with the vehicle-state sensor.
3. the multifunctional brake system with feedback regulation effect according to claim 2 is characterized in that: the vehicle-state sensor comprises flag alarm, backing distance sensor, the pressure sensor of mistake step on the gas device, a certain or its combination of the pressure sensor of blowing out.
4. the multifunctional brake system with feedback regulation effect according to claim 1 is characterized in that: assist brake pump (6) is the motor-driven Hydraulic Pump that can back and forth rotate.
5. the multifunctional brake system with feedback regulation effect according to claim 1 is characterized in that: hydraulic pressure exchanger (5) is a multi-channel chamber.
6. the multifunctional brake system with feedback regulation effect according to claim 3, it is characterized in that: mistake step on the gas device comprises Das Gaspedal, Das Gaspedal and brake gear bonded assembly mechanical linkage, car body device and signal head, any one device between Das Gaspedal or mechanical linkage and the car body device is provided with one or more signal heads, has at least one to be pressure sensor in the signal head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200801838U CN201092313Y (en) | 2007-07-04 | 2007-07-04 | Multifunctional braking system having feedback accommodation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200801838U CN201092313Y (en) | 2007-07-04 | 2007-07-04 | Multifunctional braking system having feedback accommodation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201092313Y true CN201092313Y (en) | 2008-07-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200801838U Expired - Fee Related CN201092313Y (en) | 2007-07-04 | 2007-07-04 | Multifunctional braking system having feedback accommodation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201092313Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264689A (en) * | 2013-06-10 | 2013-08-28 | 浙江先安汽车制动系统有限公司 | Accelerator miss-stamping error correction system of car capable of rapidly executing emergency brake by virtue of special pump |
| CN103273915A (en) * | 2013-06-10 | 2013-09-04 | 浙江先安汽车制动系统有限公司 | Accelerator wrong-stepping error correction system of directly started hydraulic type ABS (Anti-lock Braking System) execution emergency brake |
| CN103287414A (en) * | 2013-06-10 | 2013-09-11 | 浙江先安汽车制动系统有限公司 | Careless accelerator stamping error correcting system fast executing emergency braking through steering system oil pump |
| CN104709266A (en) * | 2015-03-30 | 2015-06-17 | 胡继莽 | Serial-connection hydraulic general pump type driving safe braking system |
| CN105564408A (en) * | 2016-01-06 | 2016-05-11 | 高燕飞 | Hydraulic auxiliary braking device |
| CN110905939A (en) * | 2019-11-05 | 2020-03-24 | 北汽福田汽车股份有限公司 | Clutch assisting system for vehicle and vehicle with clutch assisting system |
| CN112109685A (en) * | 2019-08-30 | 2020-12-22 | 上汽通用五菱汽车股份有限公司 | Anti-lock control module and anti-lock system |
-
2007
- 2007-07-04 CN CNU2007200801838U patent/CN201092313Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264689A (en) * | 2013-06-10 | 2013-08-28 | 浙江先安汽车制动系统有限公司 | Accelerator miss-stamping error correction system of car capable of rapidly executing emergency brake by virtue of special pump |
| CN103273915A (en) * | 2013-06-10 | 2013-09-04 | 浙江先安汽车制动系统有限公司 | Accelerator wrong-stepping error correction system of directly started hydraulic type ABS (Anti-lock Braking System) execution emergency brake |
| CN103287414A (en) * | 2013-06-10 | 2013-09-11 | 浙江先安汽车制动系统有限公司 | Careless accelerator stamping error correcting system fast executing emergency braking through steering system oil pump |
| CN104709266A (en) * | 2015-03-30 | 2015-06-17 | 胡继莽 | Serial-connection hydraulic general pump type driving safe braking system |
| CN105564408A (en) * | 2016-01-06 | 2016-05-11 | 高燕飞 | Hydraulic auxiliary braking device |
| CN112109685A (en) * | 2019-08-30 | 2020-12-22 | 上汽通用五菱汽车股份有限公司 | Anti-lock control module and anti-lock system |
| CN110905939A (en) * | 2019-11-05 | 2020-03-24 | 北汽福田汽车股份有限公司 | Clutch assisting system for vehicle and vehicle with clutch assisting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080730 |