CN209600474U - A kind of electronic control system with brake signal output function - Google Patents
A kind of electronic control system with brake signal output function Download PDFInfo
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- CN209600474U CN209600474U CN201821376687.9U CN201821376687U CN209600474U CN 209600474 U CN209600474 U CN 209600474U CN 201821376687 U CN201821376687 U CN 201821376687U CN 209600474 U CN209600474 U CN 209600474U
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Abstract
The utility model discloses a kind of electronic control systems with brake signal output function, including sensing unit, signal processing and output unit, the sensing unit is connect with signal processing and output unit, the sensing unit is used to detect master cylinder displacement or pressure signal, the signal processing and output unit and exports brake signal according to the master cylinder displacement received or pressure signal.Utility model has the advantages that controlling the output of brake signal by master cylinder displacement or pressure change, brake signal controls precision height, fast response time, good product consistency, securely and reliably；Traditional braking pedal switch and its harness are eliminated, improves functional reliability, the safety of braking system, and Material Cost is low；System is arranged by redundancy, is verified, is monitored by the microcontroller of setting, protected and the redundancy features such as warning output；Microcontroller can be worked by wake source signal activation microcontroller in the dormant state.
Description
Technical field
The present invention relates to field of automobile brake, in particular to a kind of electronic control system with brake signal output function
System.
Background technique
In the prior art, automobile brake signal output realizes that traditional brake pedal switch is being pacified using brake switch
Dress arrangement when, between pedal switch and pedal fit-up gap consistency control it is poor, cause pedal switch signal trigger mention
Preceding or delay, so safety is relatively low；The mechanical contact structure that traditional brake pedal switch uses, the contact Yi Fasheng connects
Touch bad, functional reliability is lower, and crash rate is higher, again and again generation recall event；Traditional brake pedal switch harness is easily sent out
Raw abrasion leads to open circuit, short trouble, and failure recall rate is low；And traditional brake pedal switch have certain material at
This.
With the gradually development of Auto Electronic Controlled System, a kind of electronic control system with brake signal output function
Traditional brake pedal switch can be replaced completely, this will be following development trend.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of with brake signal output function
Electronic control system exports brake signal by acquiring displacement or the pressure signal of master cylinder.
To achieve the goals above, a kind of the technical solution adopted by the present invention are as follows: electricity with brake signal output function
Sub-control system, including sensing unit, signal processing and output unit, the sensing unit and signal processing and output unit connect
It connects, the sensing unit is for detecting master cylinder displacement or pressure signal, and the signal processing and output unit are according to reception
The master cylinder displacement arrived or pressure signal output brake signal.
The data processing and output unit preset brake signal and open threshold value, brake signal closing threshold value, when logical
When the master cylinder displacement or pressure for crossing sensing unit detection reach brake signal unlatching threshold value from 0 variation, brake signal is exported
Open signal；When the master cylinder displacement detected by sensing unit or pressure, which are gradually decrease to brake signal, closes threshold value,
Export brake signal cut-off signals.
The control system further includes Power Management Unit, and external power supply is input to Power Management Unit, the power supply pipe
Reason unit is connect with signal processing and output unit, sensing unit respectively.
The electronic control signal further includes microcontroller, and the microcontroller acquires sensing list by Acquisition Circuit respectively
The level signal of two output ends of member, when level signal is inconsistent, microcontroller issues alarm signal.
Described one output end of sensing unit is connect with signal processing and output unit, to realize the defeated of brake signal
Out.Two output ends of sensing unit are connect with micro controller unit, to realize microcontroller to the two-way output letter of sensor
It number is monitored and verifies.When the two-way output signal of microcontroller discovery sensing unit is inconsistent, microcontroller issues event
Hinder signal.
The microcontroller is connect with malfunction coefficient module, when microcontroller finds the two-way output signal of sensing unit not
When consistent, microcontroller issues fault-signal, request malfunction coefficient module work.
The microprocessor outputs control signals to Power Management Unit, for controlling when sensing unit exports failure
Power Management Unit stops powering to sensing unit and/or signal processing and output unit, and the signal processing and output unit connect
It stops working after receiving the instruction that stops working of microcontroller.
There is the microcontroller arousal function, the signal processing and output unit to be called out by Power Management Unit sending
Signal wake up to microcontroller, provides wake source to activate microcontroller to work.
The signal processing and output unit are electrically connected by connector and external device；Extraneous power-supply device passes through company
It connects device and Power Management Unit is electrically connected.
The signal processing and output unit are greater than by operating current detection module detection operating current data in electric current
When setting operating current, signal processing and output unit issue control signal to Power Management Unit, control Power Management Unit
Stop powering to signal processing and output unit.
The Power Management Unit has overvoltage, overcurrent, under-voltage, overheat protector.
Utility model has the advantages that controlling the output of brake signal, braking by master cylinder displacement or pressure change
Signal controls precision height, fast response time, good product consistency, securely and reliably；Eliminate traditional braking pedal switch and its line
Beam improves functional reliability, the safety of braking system, and Material Cost is low；System is arranged by redundancy, passes through setting
Microcontroller is verified, monitored, protected and the redundancy features such as warning output；Microcontroller can pass through in the dormant state
Wake source signal activation microcontroller is worked.
Detailed description of the invention
Below to each width attached drawing of the utility model specification expression content and figure in label be briefly described:
Fig. 1 is the structure principle chart of the utility model brake signal output control system；
Fig. 2 is that the utility model brake signal exports and acquires signal relation schematic diagram.
Label in above-mentioned figure is equal are as follows: 1, connector；2, Power Management Unit；3, sensing unit；4, signal processing and defeated
Unit out；5, microcontroller.
Specific embodiment
A specific embodiment of the invention is made further detailed below against attached drawing by the description to optimum embodiment
Thin explanation.
A kind of electronic control system with brake signal output function, including sensing unit and signal processing and output list
Member, the master cylinder displacement or pressure change generated by detection brake pedal displacement, exports brake signal.At sensing unit and signal
Reason and output unit connection, sensing unit is for detecting master cylinder displacement or pressure signal, signal processing and output unit root
According to the master cylinder displacement or pressure signal output brake signal received.
Data processing and output unit preset brake signal and open threshold value, brake signal closing threshold value, pass when passing through
When the master cylinder displacement of sense unit detection or pressure reach brake signal unlatching threshold value from 0 variation, output brake signal is opened
Signal；When the master cylinder displacement detected by sensing unit or pressure, which are gradually decrease to brake signal, closes threshold value, output
Brake signal cut-off signals.
As shown in Fig. 2, being changed to P by 0 with master cylinder displacement or pressure signal, introduced by P being changed to 0 process, with P2
Threshold value is opened for brake signal, P1 is that brake signal closes threshold value；The master cylinder displacement or pressure change generated using pedal displacement,
And it is converted into braking open and close threshold signal output.When sensing unit detects that the displacement of master cylinder or pressure become from 0 to P
Change, when reaching P2, output brake signal opens (ON) signal.The displacement that master cylinder is detected when sensing unit or pressure are from P
To 0 variation, when reaching P1, output brake signal turns off (OFF) signal.
For Power Management Unit for being powered management to whole system, external power supply is input to Power Management Unit, electricity
Source control unit is connect with signal processing and output unit, sensing unit respectively, for respectively to signal processing and output unit,
Sensing unit power supply.External power supply is electrically connected by connector and Power Management Unit.Equipment in external power supply
By connector give Power Management Unit power supply, Power Management Unit export gives sensing unit power supply, when master cylinder displacement or
Pressure change, sensing unit convert thereof into electric signal, should by connector after the processing of signal processing and output unit
Brake signal output, brake signal size can calibrate the acquisition signal and output braking letter of sensing unit according to actual experiment
Number relationship is finally exported according to the corresponding relationship of calibration come corresponding when opening.
In addition signal processing and output unit also have control output function to Power Management Unit.Microprocessor output control
Signal processed is to Power Management Unit, for when sensing unit exports failure, control Power Management Unit to stop to sensing unit
And/or signal processing and output unit are powered.
Power Management Unit is powered to microcontroller, and the verification redundancy that microcontroller can be used as sensing unit output signal is set
Meter.The realization principle of the system function is simple, reliable operation.Braking letter can be realized using the minimum system of electronic control system
Number output function, the minimum system of electronic control system include connector, Power Management Unit, sensing unit, signal processing and
Output unit.So under normal circumstances, using the minimum system of electronic control system, participating in work without microcontroller, being
Brake signal output function can be realized in system.
Redundancy Design has been carried out to system function.Under normal circumstances, microcontroller can be not involved in work.Work as microcontroller
When participating in work, the output signal of sensing unit device can be verified, make system that there is verification, monitoring, protection and alarm
The redundancy features such as output, improve reliability, the safety of system.
Redundancy Design includes that two output ends of sensing unit pass through acquisition unit respectively and acquire its outputs level signals, and
The level signal of two output ends is fed through in microcontroller, microcontroller compare two output ends level signal whether one
It causes, when the level signal of two output ends is inconsistent, microcontroller issues alarm signal.Sensing unit is exported to realize
The redundancy features such as verification, monitoring, protection and the warning output of signal.One output end of sensing unit and signal processing and output are single
Member connection, to realize the output of brake signal.Two output ends of sensing unit are connect with micro controller unit, to realize micro-control
Device processed is monitored and verifies to the two-way output signal of sensor.When the two-way output signal of microcontroller discovery sensing unit
When inconsistent, microcontroller issues fault-signal.
The monitoring alarm of microcontroller includes: that microcontroller is connect with malfunction coefficient module, provides alarm by alarm
Signal；Or the microcontroller is connect with host computer, and alarm signal is uploaded in host computer and carries out alert data upload and report
Alert display.
System has arousal function when the microcontroller 107 is asleep can be by signal processing and output unit to power management
Unit provides wake source, to activate microcontroller to participate in work, so system has the characteristics that arousal function.Microcontroller, which has, calls out
Wake up function, signal processing and output unit by Power Management Unit sending wake-up signal to microcontroller, provide wake source with
Activate microcontroller work.
Sensing unit mounting arrangements are flexible.Both it can integrate in the inside of electronic control system, be integrated in other components
Together, it can also separate, and be present on one piece of independent plank with electronic control system controller, the two is done by connector
Electrical connection.
Signal processing and output unit are designed with overcurrent safeguard protection.Signal processing and output unit are to power management
Unit has control output, while also there is Power Management Unit itself overvoltage, overcurrent, under-voltage, excess temperature etc. to protect safely
Shield design etc..
Signal processing and output unit are greater than setting in electric current by operating current detection module detection operating current data
When operating current, signal processing and output unit issue control signal to Power Management Unit, control Power Management Unit and stop
To signal processing and output unit power supply or signal processing and output unit by software power-off protection, stop working.Power supply
Administrative unit has the function of overvoltage, overcurrent, under-voltage, overheat protector, by voltage detection module, current detection module,
The data of temperature detecting module detection carry out analysis comparison, when there are the states such as overvoltage, overcurrent, under-voltage, excess temperature, from
Dynamic to stop working, Power Management Unit chip automatically powers off shutdown, stops working.
Advantage of this system is that: brake pedal trigger position point is adjusted by circuit system completely；Brake signal control
Precision height processed, fast response time, good product consistency, securely and reliably, while the system have overvoltage, under-voltage, overcurrent,
The safeguard protections such as excess temperature design；Brake pedal switch and its harness traditional on automobile are eliminated, the work of braking system is improved
Reliability, safety, and reduce Material Cost；Under normal circumstances, the microcontroller in system can be not involved in work.When micro-
When controller participates in work, the redundancy features such as verification, monitoring, protection and warning output that system has, to improve system
Reliability, safety；Under special circumstances, when the microcontroller 107 is asleep, it is activated by brake signal as wake source micro-
Controller participates in work, so system has the characteristics that arousal function.
Obviously present invention specific implementation is not subject to the restrictions described above, as long as using method concept and skill of the invention
The improvement for the various unsubstantialities that art scheme carries out, it is within the scope of the present invention.
Claims (8)
1. a kind of electronic control system with brake signal output function, it is characterised in that: including sensing unit, signal processing
And output unit, the sensing unit are connect with signal processing and output unit, the sensing unit is for detecting master cylinder
Displacement or pressure signal, the signal processing and output unit are according to the master cylinder displacement or pressure signal output system received
Dynamic signal；
The signal processing and output unit preset brake signal and open threshold value, brake signal closing threshold value, pass when passing through
When the master cylinder displacement of sense unit detection or pressure reach brake signal unlatching threshold value from 0 variation, output brake signal is opened
Signal；When the master cylinder displacement detected by sensing unit or pressure, which are gradually decrease to brake signal, closes threshold value, output
Brake signal cut-off signals.
2. a kind of electronic control system with brake signal output function as described in claim 1, it is characterised in that: described
Control system further includes Power Management Unit, and external power supply is input to Power Management Unit, the Power Management Unit respectively with
Signal processing and output unit, sensing unit connection.
3. a kind of electronic control system with brake signal output function as described in claim 1, it is characterised in that: described
Electronic control signal further includes microcontroller, and the microcontroller acquires two outputs of sensing unit by Acquisition Circuit respectively
The level signal at end, when level signal is inconsistent, microcontroller issues alarm signal.
4. a kind of electronic control system with brake signal output function as claimed in claim 3, it is characterised in that: described
Microcontroller is connect with malfunction coefficient module, and when output data breaks down, microcontroller issues fault-signal, requests failure
Display module work.
5. a kind of electronic control system with brake signal output function as described in claim 3 or 4, it is characterised in that:
The microcontroller outputs control signals to Power Management Unit, for controlling power management when sensing unit exports failure
Unit stops powering to sensing unit and/or signal processing and output unit.
6. a kind of electronic control system with brake signal output function as described in claim 3 or 4, it is characterised in that:
There is the microcontroller arousal function, the signal processing and output unit to issue wake-up signal extremely by Power Management Unit
Microcontroller provides wake source to activate microcontroller to work.
7. a kind of electronic control system with brake signal output function as claimed in claim 2, it is characterised in that: described
Signal processing and output unit are electrically connected by connector and external device；Extraneous power-supply device passes through connector and power supply pipe
Manage unit electrical connection.
8. a kind of electronic control system with brake signal output function as claimed in claim 2, it is characterised in that: described
Signal processing and output unit are greater than setting operating current in electric current by operating current detection module detection operating current data
When, signal processing and output unit issue control signal to Power Management Unit, control Power Management Unit and stop at signal
Reason and output unit power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821376687.9U CN209600474U (en) | 2018-08-25 | 2018-08-25 | A kind of electronic control system with brake signal output function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821376687.9U CN209600474U (en) | 2018-08-25 | 2018-08-25 | A kind of electronic control system with brake signal output function |
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| Publication Number | Publication Date |
|---|---|
| CN209600474U true CN209600474U (en) | 2019-11-08 |
Family
ID=68393970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821376687.9U Active CN209600474U (en) | 2018-08-25 | 2018-08-25 | A kind of electronic control system with brake signal output function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108944846A (en) * | 2018-08-25 | 2018-12-07 | 芜湖伯特利电子控制系统有限公司 | Electronic control system with brake signal output function |
| CN113022525A (en) * | 2020-12-23 | 2021-06-25 | 万向钱潮股份有限公司 | Electric brake boosting bidirectional pressure characteristic compensation method |
-
2018
- 2018-08-25 CN CN201821376687.9U patent/CN209600474U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108944846A (en) * | 2018-08-25 | 2018-12-07 | 芜湖伯特利电子控制系统有限公司 | Electronic control system with brake signal output function |
| CN113022525A (en) * | 2020-12-23 | 2021-06-25 | 万向钱潮股份有限公司 | Electric brake boosting bidirectional pressure characteristic compensation method |
| CN113022525B (en) * | 2020-12-23 | 2022-07-19 | 万向钱潮股份有限公司 | Electric brake boosting bidirectional pressure characteristic compensation method |
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