CN206520599U - A kind of control system of car auxiliary brake - Google Patents
A kind of control system of car auxiliary brake Download PDFInfo
- Publication number
- CN206520599U CN206520599U CN201720217295.7U CN201720217295U CN206520599U CN 206520599 U CN206520599 U CN 206520599U CN 201720217295 U CN201720217295 U CN 201720217295U CN 206520599 U CN206520599 U CN 206520599U
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- China
- Prior art keywords
- brake
- braking
- monitor
- output end
- brake monitor
- 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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Abstract
The utility model provides a kind of control system of car auxiliary brake, when brake pedal is operated, and brake switch controls retarder brake apparatus, engine braking apparatus and exhaust braking to carry out auxiliary braking respectively, and the system also includes：Brake monitor, switching switch and position sensor.The first input end of brake monitor is connected with the output end of brake switch, second input of brake monitor is connected with the output end of position sensor, 3rd output end of brake monitor is connected with the output end of switching switch, first output end of brake monitor is connected with the control end of retarder brake apparatus, second output end of brake monitor is connected with the control end of engine braking apparatus, and the 3rd output end of brake monitor is connected with the control end of exhaust braking.Auxiliary braking can be carried out according to impose a condition control retarder brake apparatus, engine braking apparatus and exhaust braking.The utility model can improve automobile and use safety and braking effect.
Description
Technical field
The utility model is related to automobile brake technical field, more particularly to a kind of control system of car auxiliary brake.
Background technology
The auxiliary braking applied in current commercial car has driveline retarder braking, exhaust brake, engine braking, but its
All developed, its independent control and independently worked by different manufacturers, it is not only cumbersome, and also braking effect is less desirable.
In actual applications, vehicle gas exhausting braking, retarder braking and engine braking be all it is independent by driver switch's operational control,
Driver is often rule of thumb operated, it is impossible to given play to the best efficiency of each EBA, and if misoperation
Loss can be also caused to engine system.For example, being continuing with arranging auxiliary when exhaust back pressure is big, engine supercharger can be brought
Loss, is used for a long time the reduction booster life-span；Retarder braking, too high water temperature meeting are continuing with when engine water temperature is too high
Have a strong impact on the life-span of engine.Therefore, each EBA how is more efficiently used, mitigating driver fatigue has weight
Want meaning.
Utility model content
The utility model provides a kind of control system of car auxiliary brake, and solving existing car auxiliary brake needs to drive
Member is manually operated, easily causes error or operates not in time, so that the problem of influenceing automobile equipment using effect and life-span, improves vapour
Car uses safety and braking effect, and mitigates the fatigue of driver.
To realize object above, the utility model provides following technical scheme：
A kind of control system of car auxiliary brake, including：Retarder brake apparatus, engine braking apparatus, exhaust system
Dynamic device, brake switch, when brake pedal is operated, the brake switch controls the retarder brake apparatus, institute respectively
State engine braking apparatus and exhaust braking carries out auxiliary braking, in addition to：Brake monitor, switching switch and position are passed
Sensor；
The first input end of the brake monitor is connected with the output end of the brake switch, the brake monitor
Second input is connected with the output end of the position sensor, and the 3rd output end of the brake monitor is opened with the switching
The output end of pass is connected, and the first output end of the brake monitor is connected with the control end of the retarder brake apparatus, institute
The second output end for stating brake monitor is connected with the control end of the engine braking apparatus, and the 3rd of the brake monitor the
Output end is connected with the control end of the exhaust braking；
When the position sensor detects brake pedal and is operated, if the output end of the switching switch is low electricity
Flat, then the brake monitor closes the signal reception of the first input end, and according to the control retarder that imposes a condition
Brake apparatus, the engine braking apparatus and the exhaust braking carry out auxiliary braking.
It is preferred that, in addition to：Vehicle speed sensor；
The output end of the vehicle speed sensor is connected with the 4th input of the brake monitor；
When speed is more than the first speed threshold value, the brake monitor controls the buffer controller to carry out auxiliary system
It is dynamic；
When speed is less than the second speed threshold value, the brake monitor controls the exhaust braking to carry out auxiliary system
It is dynamic；
When speed is more than the second speed threshold value and is less than the first speed threshold value, the brake monitor control
The engine braking apparatus carries out auxiliary braking.
It is preferred that, in addition to：Baroceptor；
The output end of the baroceptor is connected with the 5th input of the brake monitor, the baroceptor
Air pressure for detecting brake chamber；
When the air pressure is less than the first air pressure threshold value, it is auxiliary that the brake monitor controls the exhaust braking to carry out
Help braking；
When the air pressure is more than first air pressure threshold value and is less than the second air pressure threshold value, the brake monitor control
The engine braking apparatus carries out auxiliary braking；
When the air pressure is more than second air pressure threshold value, the brake monitor controls the retarder brake apparatus
Carry out auxiliary braking.
It is preferred that, the baroceptor includes：Preceding braking pressure sensor and rear braking pressure sensor；
The preceding braking pressure sensor is used for the air pressure of brake chamber before detecting, the rear braking pressure sensor is used for
The air pressure of brake chamber after detection.
It is preferred that, in addition to：Exhaust back pressure sensor；
The output end of the exhaust back pressure sensor is connected with the 6th input of the brake monitor, the exhaust back of the body
Pressure sensor is used for the pressure at expulsion for detecting blast pipe, when the pressure at expulsion is more than given threshold, the brake monitor
The engine braking apparatus is controlled to carry out auxiliary braking.
It is preferred that, in addition to：Temperature sensor；
The output end of the temperature sensor is connected with the 7th input of the brake monitor, the temperature sensor
For detecting engine water temperature, when the engine water temperature is more than design temperature threshold value, the brake monitor control is started
Machine braking device carries out auxiliary braking, and sends drop torsion signal and alarm signal.
It is preferred that, in addition to：The combination instrument and engine controller being connected with the brake monitor CAN；
The combination instrument is received after the alarm signal, is shown and/or audio alert；
The engine controller receives the drop and turned round after signal, engine is gradually reduced output torque, Zhi Daoche
Speed is less than setting speed.
It is preferred that, in addition to：The ABS being connected with the brake monitor CAN；
After the driving wheel locking signal that the brake monitor receives the ABS outputs by CAN, the system
Movement controller stops the auxiliary system of the retarder brake apparatus, the engine braking apparatus and the exhaust braking
It is dynamic.
It is preferred that, in addition to：Emergency brake module；
The emergency brake module includes：Emergent feeder and magnetic valve, emergent supply described in the solenoid valve control
The supply break-make of device and brake chamber；
4th output end of the brake monitor is connected with the control end of the magnetic valve, in vehicle brake fade,
The brake monitor controls the solenoid valve conduction, so that the air pressure of brake chamber is more than the operating pressure of brake.
It is preferred that, the magnetic valve includes：Preceding emergent magnetic valve and afterwards emergent magnetic valve；
The supply break-make of emergent feeder and preceding brake chamber described in emergent solenoid valve control before described, it is described rear emergent
The supply break-make of emergent feeder and rear brake chamber described in solenoid valve control.
The utility model provides a kind of control system of car auxiliary brake, by brake monitor by the control that imposes a condition
The auxiliary braking of retarder brake apparatus, engine braking apparatus and exhaust braking.Solving existing car auxiliary brake needs
Want driver manually operated, easily cause error or operate not in time, so that the problem of influenceing automobile equipment using effect and life-span,
Improve automobile and use safety and braking effect, and mitigate the fatigue of driver.
Brief description of the drawings
, below will be attached to what is used required in embodiment in order to illustrate more clearly of specific embodiment of the utility model
Figure is briefly described.
Fig. 1：It is a kind of control system schematic diagram for car auxiliary brake that the utility model is provided.
Reference
K1 retarder brake switches
K2 engine brakings are switched
K3 arranges auxiliary brake switch
K4 switching switches
Embodiment
In order that those skilled in the art more fully understand the scheme of the utility model embodiment, below in conjunction with the accompanying drawings and
Embodiment is described in further detail to the utility model embodiment.
Mutually it is not attached to for each device of current car auxiliary brake, the problem of braking effect is bad, the utility model is provided
A kind of control system of car auxiliary brake, by brake monitor by control retarder brake apparatus, the engine of imposing a condition
The auxiliary braking of brake apparatus and exhaust braking.Solving existing car auxiliary brake needs driver manually operated, Yi Zao
Into error or operation not in time, so that the problem of influenceing automobile equipment using effect and life-span, improves automobile and use safety and system
Dynamic effect, and mitigate the fatigue of driver.
As shown in figure 1, a kind of control system of car auxiliary brake, including：Retarder brake apparatus, engine braking dress
Put, exhaust braking, brake switch, when brake pedal is operated, the brake switch controls the retarder system respectively
Dynamic device, the engine braking apparatus and exhaust braking carry out auxiliary braking, in addition to：Brake monitor, switching are opened
Close K4 and position sensor.The first input end of the brake monitor is connected with the output end of the brake switch, the system
Second input of movement controller is connected with the output end of the position sensor, the 3rd output end of the brake monitor with
The output end of the switching switch K4 is connected, the first output end of the brake monitor and the control of the retarder brake apparatus
End processed is connected, and the second output end of the brake monitor is connected with the control end of the engine braking apparatus, the braking
3rd output end of controller is connected with the control end of the exhaust braking.Braking is detected in the position sensor to step on
When plate is operated, if the output end of the switching switch is low level, the brake monitor closes first input
The signal at end is received, and according to the control retarder brake apparatus, the engine braking apparatus and the row of imposing a condition
Pneumatic braking device carries out auxiliary braking.
Specifically, brake switch includes：Retarder brake switch K1, engine braking switch K2, the auxiliary brake switch K3 of row,
When switching switch K4 is not pressed, manually operated retarder brake switch K1 exports retarder brake range signal, so that system
Movement controller control retarder brake apparatus carries out auxiliary braking；Manually operated engine braking switch K2 output engine brakings
Gear signal, so that brake monitor control engine braking apparatus carries out auxiliary braking；The manually operated auxiliary brake switch K3 of row
The auxiliary brake signal of output row, so that brake monitor control exhaust braking carries out auxiliary braking.Pressed in switching switch K4
When, the output end of each brake switch is low level, and the brake monitor carries out auxiliary according to each brake apparatus of control that imposes a condition
Help braking.It should be noted that engine braking gear is often 2 gears, retarder brake range is often 5 gears, its different shelves
The braking effect of position is also differed.
The system also includes：Vehicle speed sensor；The output end of the vehicle speed sensor and the 4th of the brake monitor
Input is connected.When speed is more than the first speed threshold value, it is auxiliary that the brake monitor controls the buffer controller to carry out
Help braking.When speed is less than the second speed threshold value, the brake monitor controls the exhaust braking to carry out auxiliary system
It is dynamic.When speed is more than the second speed threshold value and is less than the first speed threshold value, the brake monitor control is described
Engine braking apparatus carries out auxiliary braking.
In actual applications, the first speed threshold value can be set to 55km/h, the second speed threshold value is 35km/h., exhaust system
Dynamic device starts when speed is less than 35km/h, and engine braking apparatus starts when speed is less than 55km/h, otherwise opens slow
Fast device brake apparatus.It should be noted that engine braking experiment effect when engine speed is more than 1600r/min is preferable,
Therefore speed is set in more than 55km/h.
The system also includes：Baroceptor；The output end of the baroceptor and the 5th of the brake monitor
Input is connected, and the baroceptor is used for the air pressure for detecting brake chamber.When the air pressure is less than the first air pressure threshold value,
The brake monitor controls the exhaust braking to carry out auxiliary braking.It is more than first air pressure threshold value in the air pressure
And during less than the second air pressure threshold value, the brake monitor controls the engine braking apparatus to carry out auxiliary braking.Described
When air pressure is more than second air pressure threshold value, the brake monitor controls the retarder brake apparatus to carry out auxiliary braking.
In actual applications, the first air pressure threshold value can be 1MPa, and the second air pressure threshold value is 2.5MPa, certainly, due to starting
Machine braking device and retarder brake apparatus have different gears, therefore, thinner division can be being carried out to air pressure threshold value, e.g.,
1 grade of 1~2MPa of correspondence of engine braking, 2 grades of 2~2.5MPa of correspondence of engine braking, 3 grades of correspondences 2.5 of retarder braking~
3.5MPa, retarder brakes 4 grades of 3.5~4.5MPa of correspondence, and retarder brakes 5 grades to should be greater than 4.5MPa.
Further, the baroceptor includes：Preceding braking pressure sensor and rear braking pressure sensor.Made before described
Pressure sensor of taking offence is used for the air pressure of brake chamber before detecting, the rear braking pressure sensor is used for brake chamber after detecting
Air pressure.
The system also includes：Exhaust back pressure sensor；The output end of the exhaust back pressure sensor and the control for brake
6th input of device is connected, and the exhaust back pressure sensor is used for the pressure at expulsion for detecting blast pipe, in the pressure at expulsion
During more than given threshold, the brake monitor controls the engine braking apparatus to carry out auxiliary braking.
The system also includes：Temperature sensor；The output end of the temperature sensor and the 7th of the brake monitor
Input is connected, and the temperature sensor is used to detect engine water temperature, is more than design temperature threshold value in the engine water temperature
When, the brake monitor control engine braking apparatus carries out auxiliary braking, and sends drop torsion signal and alarm signal.
In actual applications, when engine water temperature is higher than 100 DEG C, engine is in a kind of unsafe state, need
Drop torsion is carried out to engine, so that water temperature is gradually reduced.
Further, the system also includes：Combination instrument and the engine control being connected with the brake monitor CAN
Device.The combination instrument is received after the alarm signal, is shown and/or audio alert.The engine controller connects
Receive the drop to turn round after signal, engine is gradually reduced output torque, until speed is less than setting speed.
The system also includes：The ABS being connected with the brake monitor CAN.Pass through CAN in the brake monitor
Bus is received after the driving wheel locking signal of the ABS outputs, the brake monitor stopping retarder brake apparatus,
The auxiliary braking of the engine braking apparatus and the exhaust braking.
The system also includes：Emergency brake module；The emergency brake module includes：Emergent feeder and magnetic valve,
The supply break-make of emergent feeder and brake chamber described in the solenoid valve control.4th output end of the brake monitor
It is connected with the control end of the magnetic valve, in vehicle brake fade, the brake monitor controls the solenoid valve conduction, with
The air pressure of brake chamber is more than the operating pressure of brake, brake vehicle.
In actual applications, emergent feeder can be using emergent gas receiver, and emergent gas receiver is equipped with check valve air inlet
Mouthful, ftercompction can be inflated.If the air pressure that brake chamber appearance leakage is caused is relatively low, brake monitor sends alarm signal,
Combination instrument can show " emergency brake air pressure is not enough " to remind driver.
Further, the magnetic valve includes：Preceding emergent magnetic valve and afterwards emergent magnetic valve.Emergent solenoid valve control before described
The supply break-make of the emergent feeder and preceding brake chamber, it is described after meet an urgent need described in emergent solenoid valve control feeder with
The supply break-make of brake chamber afterwards.
It can be seen that, the utility model provides a kind of control system of car auxiliary brake, by brake monitor by setting bar
The auxiliary braking of part control retarder brake apparatus, engine braking apparatus and exhaust braking.Solve existing automobile auxiliary
Braking needs driver manually operated, easily causes error or operates not in time, so as to influence automobile equipment using effect and life-span
The problem of, improve automobile and use safety and braking effect, and mitigate the fatigue of driver.
Construction of the present utility model, feature and action effect is described in detail according to diagrammatically shown embodiment above, with
Upper described is only preferred embodiment of the present utility model, but the utility model is not to limit practical range shown in drawing, it is every according to
According to the made change of conception of the present utility model, or the equivalent embodiment of equivalent variations is revised as, still without departing from specification and figure
, all should be in protection domain of the present utility model when showing covered spirit.
Claims (10)
1. a kind of control system of car auxiliary brake, including：Retarder brake apparatus, engine braking apparatus, exhaust brake
Device, brake switch, when brake pedal is operated, the brake switch controls the retarder brake apparatus respectively, described
Engine braking apparatus and exhaust braking carry out auxiliary braking, it is characterised in that also include：Brake monitor, switching are opened
Close and position sensor；
The first input end of the brake monitor is connected with the output end of the brake switch, and the second of the brake monitor
Input is connected with the output end of the position sensor, the 3rd output end of the brake monitor and the switching switch
Output end is connected, and the first output end of the brake monitor is connected with the control end of the retarder brake apparatus, the system
Second output end of movement controller is connected with the control end of the engine braking apparatus, the 3rd output of the brake monitor
End is connected with the control end of the exhaust braking；
When the position sensor detects brake pedal and is operated, if the output end of the switching switch is low level,
Then the brake monitor closes the signal reception of the first input end, and is braked according to the control retarder that imposes a condition
Device, the engine braking apparatus and the exhaust braking carry out auxiliary braking.
2. control system according to claim 1, it is characterised in that also include：Vehicle speed sensor；
The output end of the vehicle speed sensor is connected with the 4th input of the brake monitor；
When speed is more than the first speed threshold value, the brake monitor controls the buffer controller to carry out auxiliary braking；
When speed is less than the second speed threshold value, the brake monitor controls the exhaust braking to carry out auxiliary braking；
When speed is more than the second speed threshold value and is less than the first speed threshold value, the brake monitor control is described
Engine braking apparatus carries out auxiliary braking.
3. control system according to claim 2, it is characterised in that also include：Baroceptor；
The output end of the baroceptor is connected with the 5th input of the brake monitor, and the baroceptor is used for
Detect the air pressure of brake chamber；
When the air pressure is less than the first air pressure threshold value, the brake monitor controls the exhaust braking to carry out auxiliary system
It is dynamic；
When the air pressure is more than first air pressure threshold value and is less than the second air pressure threshold value, the brake monitor control is described
Engine braking apparatus carries out auxiliary braking；
When the air pressure is more than second air pressure threshold value, the brake monitor controls the retarder brake apparatus to carry out
Auxiliary braking.
4. control system according to claim 3, it is characterised in that the baroceptor includes：Preceding braking pressure is passed
Sensor and rear braking pressure sensor；
The preceding braking pressure sensor is used for the air pressure of brake chamber before detecting, the rear braking pressure sensor is used to detect
The air pressure of brake chamber afterwards.
5. control system according to claim 4, it is characterised in that also include：Exhaust back pressure sensor；
The output end of the exhaust back pressure sensor is connected with the 6th input of the brake monitor, and the exhaust back pressure is passed
Sensor is used for the pressure at expulsion for detecting blast pipe, when the pressure at expulsion is more than given threshold, the brake monitor control
The engine braking apparatus carries out auxiliary braking.
6. control system according to claim 5, it is characterised in that also include：Temperature sensor；
The output end of the temperature sensor is connected with the 7th input of the brake monitor, and the temperature sensor is used for
Engine water temperature is detected, when the engine water temperature is more than design temperature threshold value, mechanism is started in the brake monitor control
Dynamic device carries out auxiliary braking, and sends drop torsion signal and alarm signal.
7. control system according to claim 6, it is characterised in that also include：With the brake monitor CAN phase
Combination instrument and engine controller even；
The combination instrument is received after the alarm signal, is shown and/or audio alert；
The engine controller receives the drop and turned round after signal, engine is gradually reduced output torque, until speed is small
In setting speed.
8. control system according to claim 6, it is characterised in that also include：With the brake monitor CAN phase
ABS even；
After the driving wheel locking signal that the brake monitor receives the ABS outputs by CAN, the braking control
Device processed stops the auxiliary braking of the retarder brake apparatus, the engine braking apparatus and the exhaust braking.
9. control system according to claim 8, it is characterised in that also include：Emergency brake module；
The emergency brake module includes：Emergent feeder and magnetic valve, emergent feeder described in the solenoid valve control
With the supply break-make of brake chamber；
4th output end of the brake monitor is connected with the control end of the magnetic valve, described in vehicle brake fade
Brake monitor controls the solenoid valve conduction, so that the air pressure of brake chamber is more than the operating pressure of brake.
10. control system according to claim 9, it is characterised in that the magnetic valve includes：Preceding emergent magnetic valve is with after
Emergent magnetic valve；
The supply break-make of emergent feeder and preceding brake chamber described in emergent solenoid valve control before described, the rear emergent electromagnetism
Valve controls the supply break-make of the emergent feeder and rear brake chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720217295.7U CN206520599U (en) | 2017-03-08 | 2017-03-08 | A kind of control system of car auxiliary brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720217295.7U CN206520599U (en) | 2017-03-08 | 2017-03-08 | A kind of control system of car auxiliary brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206520599U true CN206520599U (en) | 2017-09-26 |
Family
ID=59903255
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720217295.7U Expired - Fee Related CN206520599U (en) | 2017-03-08 | 2017-03-08 | A kind of control system of car auxiliary brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206520599U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128162A (en) * | 2017-12-13 | 2018-06-08 | 中国第汽车股份有限公司 | A kind of variable speed regulation control method and system based on dynamics of vehicle |
| CN110329071A (en) * | 2019-03-29 | 2019-10-15 | 潍柴动力股份有限公司 | The control system and control method slowed down for vehicle braking |
| CN113060107A (en) * | 2021-03-02 | 2021-07-02 | 郑州郑宇重工有限公司 | Combined braking control system and method for heavy-load transport vehicle |
| CN114368371A (en) * | 2022-01-05 | 2022-04-19 | 一汽解放汽车有限公司 | Braking power distribution method and device, computer equipment and storage medium |
-
2017
- 2017-03-08 CN CN201720217295.7U patent/CN206520599U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108128162A (en) * | 2017-12-13 | 2018-06-08 | 中国第汽车股份有限公司 | A kind of variable speed regulation control method and system based on dynamics of vehicle |
| CN110329071A (en) * | 2019-03-29 | 2019-10-15 | 潍柴动力股份有限公司 | The control system and control method slowed down for vehicle braking |
| CN113060107A (en) * | 2021-03-02 | 2021-07-02 | 郑州郑宇重工有限公司 | Combined braking control system and method for heavy-load transport vehicle |
| CN114368371A (en) * | 2022-01-05 | 2022-04-19 | 一汽解放汽车有限公司 | Braking power distribution method and device, computer equipment and storage medium |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170926 Termination date: 20200308 |
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| CF01 | Termination of patent right due to non-payment of annual fee |