CN104369732A - Alarming control management device applied to electric car propellant system - Google Patents

Alarming control management device applied to electric car propellant system Download PDF

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Publication number
CN104369732A
CN104369732A CN201410604670.4A CN201410604670A CN104369732A CN 104369732 A CN104369732 A CN 104369732A CN 201410604670 A CN201410604670 A CN 201410604670A CN 104369732 A CN104369732 A CN 104369732A
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China
Prior art keywords
resistance
aerotron
module
mouth
ground connection
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CN201410604670.4A
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CN104369732B (en
Inventor
张兴海
熊代荣
南富乾
程波
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Chongqing Sokon Industry Group Co Ltd
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Chongqing Sokon Industry Group Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T17/00Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/18Safety devices; Monitoring
    • B60T17/22Devices for monitoring or checking brake systems; Signal devices
    • B60T17/221Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems
    • B60T17/222Procedure or apparatus for checking or keeping in a correct functioning condition of brake systems by filling or bleeding of hydraulic systems
    • B60T17/223Devices for pressurising brake systems acting on pedal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60TVEHICLE 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
    • B60T2250/00Monitoring, detecting, estimating vehicle conditions

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  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)

Abstract

The invention discloses an alarming control management device applied to an electric car propellant system, and belongs to the field of electric car brake propellant vacuum pumps. The alarming control management device applied to the electric car propellant system comprises a pressure sensor, a processor, a power supply module, a brake signal conversion module, a sound-light alarming module, a driving module and a current sampling module, all of which are installed on a vacuum gas storage tank. Compared with an existing driving circuit adopting a relay for driving, the alarming control management device is longer in service life and higher in reliability. The pressure state of a vacuum system is indicated through sound and light, a driver can know the work state of brake propellant force in advance, and the car driving safety is further improved. The pressure sensor and a vacuum pump of the vacuum system can be detected, an obvious sound-light alarm can be given when a fault occurs, and brake safety is improved.

Description

For the alarm control management devices of electronlmobil force aid system
Technical field
The invention belongs to electric vehicle brake power-assisted field of vacuum, particularly relate to a kind of alarm control management devices for electronlmobil force aid system.
Background technology
Current electronlmobil is when braking vehicle, all have employed power-assisted vacuum system and help manual braking, people's strength of one's legs is felt, and brake nature is light, if during vehicle travels there is problem in vacuum boost system, now brake again, can allow people produce brake without sensation, make people's strength of one's legs feel brake very heavy, without nature operation feeling easily of usually braking, if then may safety problem be brought in the higher speed of a motor vehicle or long descending.
Summary of the invention
Because the above-mentioned defect of prior art, technical matters to be solved by this invention is to provide the higher brake boosting vacuum pump control setup of a kind of reliability.
For achieving the above object, the invention provides a kind of alarm control management devices for electronlmobil force aid system, comprise the pressure sensor be arranged in vacuum air storage tank, treater, supply module, brake signal conversion module, sound and light alarm module, driver module and current sampling module;
The power input of described pressure sensor is connected with the mouth of described supply module, the analog signal output of pressure sensor is connected with the A/D signal input part of treater, the mouth of described brake signal conversion module is connected with the brake signal input end of described treater, the input end of supply module is connected with the DC low-voltage 12V mouth on car, the mouth of supply module is connected with the power supply side of treater, first alarm signal output ends of described treater is connected with the light warning input end of sound and light alarm module, second alarm signal output ends of treater is connected with the acoustic alarm input end of sound and light alarm module, the drive singal mouth of treater is connected with the driving signal input of driver module, the vacuum pump working current mouth of driver module is connected with the input end of current sampling module, the vacuum pump working current of treater detects input end and is connected with the mouth of current sampling module, the equal ground connection of power supply input negative pole end of each module.
Preferably, described supply module comprises three terminal regulator, the first resistance, the first electric capacity, the second electric capacity and the 3rd electric capacity; Described first resistance one end is connected with the 12V power output end of vehicle low-voltage power supply system, the other end is connected with the input end of three terminal regulator, the input end of described three terminal regulator is respectively by the second electric capacity, the 3rd capacity earth, and the mouth of described three terminal regulator is by the first capacity earth and the mouth of described three terminal regulator exports positive voltage to described pressure sensor and treater.Adopt above technical scheme, stable working power can be provided for the interlock circuit of this controller, ensure that this device can continually and steadily and run under the Power Supplies Condition of safety.
When brake pedal is stepped on, BK Brake Switch K1 closes and brake taillight is lighted in the 12V connection on car, if and the brake voltage of 12V is directly added on treater, by break treat with device, for conservation treatment device input interface, described brake signal conversion module comprises BK Brake Switch, the second resistance, the 3rd resistance, zener diode and the 4th electric capacity; One end of described BK Brake Switch is connected with the 12V power end of vehicle low-voltage power supply system, and the other end of described BK Brake Switch is connected with one end of the second resistance, and the other end of described second resistance is respectively by the 3rd resistance, zener diode and the 4th capacity earth; Wherein said second resistance is connected with the negative pole of zener diode.
Preferably, in order to report to the police when different faults appears in vacuum boost system, described sound and light alarm module comprises buzzer phone, 4th resistance, 5th resistance, 6th resistance, 7th resistance, 8th resistance, 9th resistance, light-emitting diode, first aerotron and the second aerotron, one end of described buzzer phone is with one end of the 4th resistance and be connected with the 12V power end of vehicle low-voltage power supply system after connecting, the other end of described buzzer phone is connected with one end of the 9th resistance, the other end of described 9th resistance is connected with the collecting electrode of the second aerotron, the grounded emitter of described second aerotron, the base stage of described second aerotron is by the 8th resistance eutral grounding, the base stage of the second aerotron is connected with one end of the 7th resistance, the other end of the 7th resistance is acoustic alarm input end, the other end of the 4th resistance is connected with the positive pole of light-emitting diode, the negative pole of light-emitting diode is connected with the collecting electrode of the first aerotron, the grounded emitter of the first aerotron, the base stage of the first aerotron is by the 6th resistance eutral grounding, the base stage of the first aerotron is connected with one end of the 5th resistance, and the other end of the 5th resistance is light warning input end.
Preferably, described driver module is by the tenth resistance, 11 resistance, 12 resistance, 13 resistance, 14 resistance, 15 resistance, 16 resistance, 3rd diode, 4th diode, 3rd aerotron, 4th aerotron, 5th aerotron, 6th aerotron and field effect transistor are formed, wherein one end of the tenth resistance is the input end of driver module, the other end of the tenth resistance is connected rear by the 11 resistance eutral grounding with the base stage of the 3rd aerotron, the grounded emitter of the 3rd aerotron, be connected with the base stage of the 4th aerotron again after the collecting electrode of described 3rd aerotron is connected with one end of the 12 resistance, be connected with the 12V power end from vehicle again after the other end of described 12 resistance is connected with the collecting electrode of the 4th aerotron, the emitter of described 4th aerotron is connected rear by the 13 resistance eutral grounding with the base stage of the 5th aerotron, the collecting electrode of described 5th aerotron is connected on the 12V power end of vehicle, the emitter of described 5th aerotron is in parallel with the 6th transistor emitter afterwards by the 15 resistance eutral grounding, the base stage of the 5th aerotron is in parallel with the base stage of the 6th aerotron, the emitter of the 6th aerotron is connected with the grid of field effect transistor by the 14 resistance, the drain electrode of described field effect transistor is connected with the negative pole of the 3rd diode, the drain electrode of described field effect transistor is connected with the 12V power end of vehicle with the 4th diode respectively by vacuum pump, the source electrode of described field effect transistor is connected with described 3rd diode cathode, the negative pole of described 3rd diode is connected with the drain electrode of described field effect transistor, the source electrode of described field effect transistor is by the 16 resistance eutral grounding.Adopt above technical scheme, the present invention can control startup and the stopping of vacuum pump more accurately.
Preferably, in order to detect work and the stopping of vacuum pump, described current sampling module is by the 17 resistance, 18 resistance, 19 resistance, 20 resistance, 21 resistance, 5th electric capacity and comparator are formed, one end of described 17 resistance is the input end of current sampling module, the other end of described 17 resistance is connected with the positive pole of the 5th electric capacity, the in-phase end of described comparator is successively by the 18 resistance and described 5th capacity earth, the end of oppisite phase of described comparator is connected rear by described 20 resistance eutral grounding with one end of described 19 resistance, the other end of described 19 resistance is connected with the mouth of supply module, the mouth of described comparator is by the 21 resistance eutral grounding, the mouth of described comparator is the mouth of current sampling module, the negative power end ground connection of described comparator, the positive power source terminal of described comparator is connected with the mouth of described supply module.Adopt above technical scheme, the present invention can detect work and the stopping of vacuum pump more accurately.
The invention has the beneficial effects as follows: the present invention compares the driving circuit that existing employing relay drives, and longer service life, reliability is higher.The present invention is indicated by sound, light the pressure state of vacuum system, the mode of operation of chaufeur to brake power-assisted is allowed to predict in advance, vehicle driving safety is improved further, the present invention can also detect the pressure sensor of vacuum system and vacuum pump, obvious sound and light alarm can be provided during fault, improve the safety of braking.
Accompanying drawing explanation
Fig. 1 is catenation principle schematic block diagram of the present invention.
Fig. 2 is the circuit diagram of supply module of the present invention.
Fig. 3 is the circuit diagram of brake signal conversion module of the present invention.
Fig. 4 is the circuit diagram of sound and light alarm module of the present invention.
Fig. 5 is the circuit diagram of driver module of the present invention.
Fig. 6 is the circuit diagram of current sampling module of the present invention.
Fig. 7 is the circuit diagram of the present invention when using.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
As shown in Figures 1 to 7, for an alarm control management devices for electronlmobil force aid system, comprise the pressure sensor 1 be arranged in vacuum air storage tank, treater 2, supply module 3, brake signal conversion module 4, sound and light alarm module 5, driver module 6 and current sampling module 7.
The power input of described pressure sensor 1 is connected with the mouth of described supply module 3, the analog signal output of pressure sensor 1 is connected with the A/D signal input part of treater 2, the mouth of described brake signal conversion module 4 is connected with the brake signal input end of described treater 2, the input end of supply module 3 is connected with the DC low-voltage 12V mouth on car, the mouth of supply module 3 is connected with the power supply side of treater 2, first alarm signal output ends of described treater 2 is connected with the light warning input end of sound and light alarm module 5, second alarm signal output ends of treater 2 is connected with the acoustic alarm input end of sound and light alarm module 5, the drive singal mouth of treater 2 is connected with the driving signal input of driver module 6, the vacuum pump working current mouth of driver module 6 is connected with the input end of current sampling module 7, the vacuum pump working current of treater 2 detects input end and is connected with the mouth of current sampling module 7, the equal ground connection of power supply input negative pole end of each module.
In the present embodiment, treater is by chip microcontroller, when treater detects the pressure upper limit 45KPa kPa of pressure >=permission of the vacuum reservoir that pressure sensor 1 output terminals A 1 is sent here, the drive singal output terminals A 10 output low level signal of treater is to driver module 6, driver module 6 transfers conducting to by cut-off, vacuum pump obtains electric work, the carrying out that the pressure of vacuum reservoir is bled along with vacuum pump, and pressure constantly reduces.Treater by pressure sensor 1 detect the pressure of vacuum reservoir be reduced to≤25KPa time, the drive singal output terminals A 10 of treater exports high level signal to driver module 6, and driver module 6 proceeds to cut-off by conducting, vacuum pump dead electricity and quitting work.
When during vehicle travels, chaufeur pin touches on the brake, after BK Brake Switch K1 connects 12V, one side lights brake taillight instruction brake, 12V voltage transformation is 3.3V voltage by brake signal conversion module 4 by another side, and by the brake signal input end A16 feeding brake signal of output terminals A 17 to treater, after the brake signal that treater receives, according to the pressure condition of the vacuum reservoir that now pressure sensor 1 output terminals A 1 is sent here, if the pressure >=35KPa of vacuum reservoir, treater due to vacuum reservoir pressure brake time can consume, enough for ensureing the pressure of brake final vacuum tank, be provided with this control method.Output low level signal to driver module 6, the controlled rear startup vacuum pump work of driver module 6, until treater detect the pressure of vacuum reservoir be reduced to≤25KPa time, vacuum pump is just controlled to quit work.
When vacuum boost system breaks down, comprise following three kinds of situations:
1, after treater control driver module 6 makes vacuum pump have passed through the work of continuous 40S clock, the pressure recording vacuum reservoir by pressure sensor 1 also > 25KPa does not have apply the brakes therebetween, illustrate that vacuum air storage tank and pipeline leak air, vacuum pressure long time continuous working is caused not meet≤the halt condition of 25KPa, now treater adopts the optical flare alarm vacuum pump not machine halt trouble of 2 times/S by light warning input end A7, under vacuum pump not machine halt trouble, treater is after the signal obtaining the work of startup vacuum pump, according to vacuum pump work 40S, shut down 20S to work again in the cycle control of 40S.
2, after treater exports vacuum pump working signal, the working current of vacuum pump is not received by the vacuum pump working current feedback end A15 of driver module 6, now pressure sensor 1 is not detected within the 5S time yet to the pressure change of vacuum air storage tank, illustrate that driver module 6 or vacuum pump break down, now treater is respectively by light warning output terminals A 7 and acoustic alarm output terminals A 9, adopts the optical flare warning harmony alarm vacuum pump not job failure of 2 times/S.
3, after treater exports vacuum pump working signal, the working current of vacuum pump is have received by the vacuum pump working current feedback end A15 of driver module 6, now pressure sensor 1 is not detected within the 5S time yet to the pressure change of vacuum air storage tank, illustrate that pressure sensor 1 does not work or damages, now treater acoustic alarm output terminals A 8, adopts the acoustic alarm of 2 times/S prompting pressure sensor 1 do not work or damage fault.
Described supply module 3 comprises three terminal regulator V1, the first resistance R6, the first electric capacity C1, the second electric capacity C2 and the 3rd electric capacity C3.Described first resistance R6 one end is connected with the 12V power output end of vehicle low-voltage power supply system, the other end is connected with the input end of three terminal regulator V1, the input end of described three terminal regulator V1 is respectively by the second electric capacity C2, the 3rd electric capacity C3 ground connection, and the mouth of described three terminal regulator V1 is by the first electric capacity C1 ground connection and the mouth of described three terminal regulator V1 exports positive voltage to described pressure sensor 1 and treater 2.By the pressure stabilization function of supply module 3, stable working power can be provided for interlock circuit of the present invention, ensure that this device can continually and steadily and run under the Power Supplies Condition of safety.
Described brake signal conversion module 4 comprises BK Brake Switch K1, the second resistance R1, the 3rd resistance R2, zener diode D1 and the 4th electric capacity C4.One end of described BK Brake Switch K1 is connected with the 12V power end of vehicle low-voltage power supply system, the other end of described BK Brake Switch K1 is connected with one end of the second resistance R1, and the other end of described second resistance R1 is respectively by the 3rd resistance R2, zener diode D1 and the 4th electric capacity C4 ground connection.Wherein said second resistance R1 is connected with the negative pole of zener diode D1.When during vehicle travels, chaufeur pin touches on the brake; after BK Brake Switch K1 connects 12V power supply; one side lights brake taillight instruction brake; 12V voltage transformation is the burning voltage of 3.3V by current-limiting resistance R1 and zener diode D1 by another side; and by output terminals A 17 to the brake voltage after the brake signal input end A16 feeding conversion of treater; namely reach the voltage security of protection micro controller system input interface, reach again the object being fed into brake signal to micro controller system input port.
Described sound and light alarm module 5 comprises buzzer phone L1, 4th resistance R3, 5th resistance R4, 6th resistance R5, 7th resistance R19, 8th resistance R20, 9th resistance R21, light-emitting diode D2, first aerotron Q1 and the second aerotron Q7, one end of described buzzer phone L1 is with one end of the 4th resistance R3 and be connected with the 12V power end of vehicle low-voltage power supply system after connecting, the other end of described buzzer phone L1 is connected with one end of the 9th resistance R21, the other end of described 9th resistance R21 is connected with the collecting electrode of the second aerotron Q7, the grounded emitter of described second aerotron Q7, the base stage of described second aerotron Q7 is by the 8th resistance R20 ground connection, the base stage of the second aerotron Q7 is connected with one end of the 7th resistance R19, the other end of the 7th resistance R19 is acoustic alarm input end.The other end of the 4th resistance R3 is connected with the positive pole of light-emitting diode D2, the negative pole of light-emitting diode D2 is connected with the collecting electrode of the first aerotron Q1, the grounded emitter of the first aerotron Q1, the base stage of the first aerotron Q1 is by the 6th resistance R5 ground connection, the base stage of the first aerotron Q1 is connected with one end of the 5th resistance R4, and the other end of the 5th resistance R4 is light warning input end.
After the visual alarm of treater arrives light warning input end A7, if the signal that light warning input end A7 obtains is high level, the first aerotron Q1 collecting electrode saturation conduction, light-emitting diode D2 obtains electroluminescence; If the signal that light warning input end A7 obtains is low level, the first aerotron Q1 collector cut-off disconnects, and light-emitting diode D2 extinguishes without electricity.
After the acoustic alarm signal of treater arrives acoustic alarm input end A9, if the signal that acoustic alarm input end A9 obtains is high level, aerotron Q7 collecting electrode saturation conduction, buzzer phone L1 obtains electric sounding; If the signal that acoustic alarm input end A9 obtains is low level, aerotron Q7 collector cut-off disconnects, and buzzer phone L1 is noiseless without electricity, and sound and light alarm frequency is subject to processing device and controls.
Described driver module 6 is by the tenth resistance R7, 11 resistance R8, 12 resistance R9, 13 resistance R10, 14 resistance R11, 15 resistance R12, 16 resistance R13, 3rd diode D4, 4th diode D3, 3rd aerotron Q2, 4th aerotron Q3, 5th aerotron Q4, 6th aerotron Q5 and field effect transistor Q6 is formed, wherein one end of the tenth resistance R7 is the input end of driver module, the other end of the tenth resistance R7 is connected rear by the 11 resistance R8 ground connection with the base stage of the 3rd aerotron Q2, the grounded emitter of the 3rd aerotron Q2, be connected with the base stage of the 4th aerotron Q3 again after the collecting electrode of described 3rd aerotron Q2 is connected with one end of the 12 resistance R9, be connected with the 12V power end from vehicle again after the other end of described 12 resistance R9 is connected with the collecting electrode of the 4th aerotron Q3, the emitter of described 4th aerotron Q3 is connected rear by the 13 resistance R10 ground connection with the base stage of the 5th aerotron Q4, the collecting electrode of described 5th aerotron Q4 is connected on the 12V power end of vehicle, the emitter of described 5th aerotron Q4 is in parallel with the 6th aerotron Q5 emitter afterwards by the 15 resistance R12 ground connection, the base stage of the 5th aerotron Q4 is in parallel with the base stage of the 6th aerotron Q5, the emitter of the 6th aerotron Q5 is connected with the grid of field effect transistor Q6 by the 14 resistance R11, the drain electrode of described field effect transistor Q6 is connected with the negative pole of the 3rd diode D4, the drain electrode of described field effect transistor Q6 is connected with the 12V power end of vehicle with the 4th diode D3 respectively by vacuum pump M1, the source electrode of described field effect transistor Q6 is connected with described 3rd diode D4 positive pole, the negative pole of described 3rd diode D4 is connected with the drain electrode of described field effect transistor Q6, the source electrode of described field effect transistor Q6 is by the 16 resistance R13 ground connection.
When the input end A11 output low level of treater to driver module 6, the base tension of aerotron Q2 is zero, it is 12V that the collector cut-off of aerotron Q2 exports high level, the base stage of aerotron Q3 obtains electric 12V, it is 11.3V that the emitter saturation conduction of aerotron Q3 exports high level, the base stage of aerotron Q4 obtains electric 11.3V, it is 10.6V that the emitter saturation conduction of aerotron Q4 exports high level, now due to aerotron Q5 base tension than it emitter voltage height 0.7V and end, the 10.6V voltage that aerotron Q4 emitter exports is added to the grid of field effect transistor Q6 by resistance R11, make the drain electrode saturation conduction of field effect transistor Q6, vacuum pump M1 obtains electric work, the working current of vacuum pump M1 will produce loss in voltage when flowing through sample resistance R13.
When treater exports high level to the input end A11 of driver module 6, the base tension of aerotron Q2 is 0.7V, the collecting electrode saturation conduction output low level of aerotron Q2 is 0V, the base stage of aerotron Q3 is also 0V, it is 0V that the emitter cut-off of aerotron Q3 turns off output low level, the base stage of aerotron Q4 is also 0V, the emitter cut-off of aerotron Q4 turns off, the base tension of aerotron Q5 is also 0V, because there is parasitic capacitance between the grid of field effect transistor Q6 and source electrode, in field effect transistor Q6 conduction period above, parasitic capacitance between the grid of Q6 and source electrode stores electric charge, now the emitter voltage of aerotron Q5 is higher than base stage, the emitter conducting of aerotron Q5, the electric charge that the parasitic capacitance of Q6 stores is by resistance R11, the emitter of aerotron Q5 over the ground, resistance R13 discharges rapidly in loop, along with terminating fast of electric discharge, the drain electrode of field effect transistor Q6 is ended immediately, vacuum pump M1 dead electricity quits work, loss in voltage on sample resistance R13 becomes 0V.
Described current sampling module 7 is by the 17 resistance R14, 18 resistance R15, 19 resistance R16, 20 resistance R17, 21 resistance R18, 5th electric capacity C5 and comparator V4 is formed, one end of described 17 resistance R14 is the input end of current sampling module 7, the other end of described 17 resistance R14 is connected with the positive pole of the 5th electric capacity C5, the in-phase end of described comparator V4 is successively by the 18 resistance R15 and described 5th electric capacity C5 ground connection, the end of oppisite phase of described comparator V4 is connected rear by described 20 resistance R17 ground connection with one end of described 19 resistance R16, the other end of described 19 resistance R16 is connected with the mouth of supply module 3, the mouth of described comparator V4 is by the 21 resistance R18 ground connection, the mouth of described comparator V4 is the mouth of current sampling module 7, the negative power end ground connection of described comparator V4, the positive power source terminal of described comparator V4 is connected with the mouth of described supply module 3.
When vacuum pump M1 works, the working current of vacuum pump M1 will produce loss in voltage when flowing through sample resistance R13, after this loss in voltage is charged to electric capacity C5 by resistance R14, there is the reference voltage of the in-phase end voltage > end of oppisite phase of comparator V4, the output terminals A 14 of comparator V4 exports high level, the vacuum pump working current that this high level delivers to treater by the output terminals A 14 of comparator V4 detects input end A15, like this after treater sends Low level effective drive singal to the driving signal input A11 of driver module 6, if have high level by the output terminals A 14 of detection comparator V4, then driver module 6 and vacuum pump M1 working properly, otherwise driver module 6 and vacuum pump M1 have been out of order, when vacuum pump M1 dead electricity quits work, loss in voltage on sample resistance R13 becomes 0V, the voltage of electric capacity C5 is by resistance R13, resistance R14 discharges, now have the reference voltage of the in-phase end voltage < end of oppisite phase of comparator V4, the mouth of comparator V4 exports as low level when vacuum pump M1 quits work, such treater, by detecting the level logic of the output terminals A 14 of current sampling module 7, just can differentiate the mode of operation of pressure sensor 1, driver module 6 and vacuum pump M1, thus provide fault sound and light alarm early, improves the safety of car brakeing.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical personnels in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.

Claims (6)

1. for an alarm control management devices for electronlmobil force aid system, it is characterized in that: comprise the pressure sensor (1) be arranged in vacuum air storage tank, treater (2), supply module (3), brake signal conversion module (4), sound and light alarm module (5), driver module (6) and current sampling module (7);
The power input of described pressure sensor (1) is connected with the mouth of described supply module (3), the analog signal output of pressure sensor (1) is connected with the A/D signal input part of treater (2), the mouth of described brake signal conversion module (4) is connected with the brake signal input end of described treater (2), the input end of supply module (3) is connected with the DC low-voltage 12V mouth on car, the mouth of supply module (3) is connected with the power supply side of treater (2), first alarm signal output ends of described treater (2) is connected with the light warning input end of sound and light alarm module (5), second alarm signal output ends of treater (2) is connected with the acoustic alarm input end of sound and light alarm module (5), the drive singal mouth of treater (2) is connected with the driving signal input of driver module (5), the vacuum pump working current mouth of driver module (5) is connected with the input end of current sampling module (7), the vacuum pump working current of treater (2) detects input end and is connected with the mouth of current sampling module (7), the equal ground connection of power supply input negative pole end of each module.
2., as claimed in claim 1 for the alarm control management devices of electronlmobil force aid system, it is characterized in that: described supply module (3) comprises three terminal regulator (V1), the first resistance (R6), the first electric capacity (C1), the second electric capacity (C2) and the 3rd electric capacity (C3); Described first resistance (R6) one end is connected with the 12V power output end of vehicle low-voltage power supply system, the other end is connected with the input end of three terminal regulator (V1), the input end of described three terminal regulator (V1) is respectively by the second electric capacity (C2), the 3rd electric capacity (C3) ground connection, and the mouth of described three terminal regulator (V1) is by the first electric capacity (C1) ground connection and the mouth of described three terminal regulator (V1) exports positive voltage to described pressure sensor (1) and treater (2).
3., as claimed in claim 1 for the alarm control management devices of electronlmobil force aid system, it is characterized in that: described brake signal conversion module (4) comprises BK Brake Switch (K1), the second resistance (R1), the 3rd resistance (R2), zener diode (D1) and the 4th electric capacity (C4); One end of described BK Brake Switch (K1) is connected with the 12V power end of vehicle low-voltage power supply system, the other end of described BK Brake Switch (K1) is connected with one end of the second resistance (R1), and the other end of described second resistance (R1) is respectively by the 3rd resistance (R2), zener diode (D1) and the 4th electric capacity (C4) ground connection; Wherein said second resistance (R1) is connected with the negative pole of zener diode (D1).
4. as claimed in claim 1 for the alarm control management devices of electronlmobil force aid system, it is characterized in that: described sound and light alarm module (5) comprises buzzer phone (L1), 4th resistance (R3), 5th resistance (R4), 6th resistance (R5), 7th resistance (R19), 8th resistance (R20), 9th resistance (R21), light-emitting diode (D2), first aerotron (Q1) and the second aerotron (Q7), one end of described buzzer phone (L1) is with one end of the 4th resistance (R3) and be connected with the 12V power end of vehicle low-voltage power supply system after connecting, the other end of described buzzer phone (L1) is connected with one end of the 9th resistance (R21), the other end of described 9th resistance (R21) is connected with the collecting electrode of the second aerotron (Q7), the grounded emitter of described second aerotron (Q7), the base stage of described second aerotron (Q7) is by the 8th resistance (R20) ground connection, the base stage of the second aerotron (Q7) is connected with one end of the 7th resistance (R19), the other end of the 7th resistance (R19) is acoustic alarm input end, the other end of the 4th resistance (R3) is connected with the positive pole of light-emitting diode (D2), the negative pole of light-emitting diode (D2) is connected with the collecting electrode of the first aerotron (Q1), the grounded emitter of the first aerotron (Q1), the base stage of the first aerotron (Q1) is by the 6th resistance (R5) ground connection, the base stage of the first aerotron (Q1) is connected with one end of the 5th resistance (R4), and the other end of the 5th resistance (R4) is light warning input end.
5. as claimed in claim 1 for the alarm control management devices of electronlmobil force aid system, it is characterized in that: described driver module (6) is by the tenth resistance (R7), 11 resistance (R8), 12 resistance (R9), 13 resistance (R10), 14 resistance (R11), 15 resistance (R12), 16 resistance (R13), 3rd diode (D4), 4th diode (D3), 3rd aerotron (Q2), 4th aerotron (Q3), 5th aerotron (Q4), 6th aerotron (Q5) and field effect transistor (Q6) are formed, wherein one end of the tenth resistance (R7) is the input end of driver module, the other end of the tenth resistance (R7) is connected rear by the 11 resistance (R8) ground connection with the base stage of the 3rd aerotron (Q2), the grounded emitter of the 3rd aerotron (Q2), be connected with the base stage of the 4th aerotron (Q3) again after the collecting electrode of described 3rd aerotron (Q2) is connected with one end of the 12 resistance (R9), be connected with the 12V power end from vehicle again after the other end of described 12 resistance (R9) is connected with the collecting electrode of the 4th aerotron (Q3), the emitter of described 4th aerotron (Q3) is connected rear by the 13 resistance (R10) ground connection with the base stage of the 5th aerotron (Q4), the collecting electrode of described 5th aerotron (Q4) is connected on the 12V power end of vehicle, the emitter of described 5th aerotron (Q4) is in parallel with the 6th aerotron (Q5) emitter afterwards by the 15 resistance (R12) ground connection, the base stage of the 5th aerotron (Q4) is in parallel with the base stage of the 6th aerotron (Q5), the emitter of the 6th aerotron (Q5) is connected with the grid of field effect transistor (Q6) by the 14 resistance (R11), the drain electrode of described field effect transistor (Q6) is connected with the negative pole of the 3rd diode (D4), the drain electrode of described field effect transistor (Q6) is connected with the 12V power end of vehicle with the 4th diode (D3) respectively by vacuum pump (M1), the source electrode of described field effect transistor (Q6) is connected with described 3rd diode (D4) positive pole, the negative pole of described 3rd diode (D4) is connected with the drain electrode of described field effect transistor (Q6), the source electrode of described field effect transistor (Q6) is by the 16 resistance (R13) ground connection.
6. as claimed in claim 1 for the alarm control management devices of electronlmobil force aid system, it is characterized in that: described current sampling module (7) is by the 17 resistance (R14), 18 resistance (R15), 19 resistance (R16), 20 resistance (R17), 21 resistance (R18), 5th electric capacity (C5) and comparator (V4) are formed, one end of described 17 resistance (R14) is the input end of current sampling module (7), the other end of described 17 resistance (R14) is connected with the positive pole of the 5th electric capacity (C5), the in-phase end of described comparator (V4) is successively by the 18 resistance (R15) and described 5th electric capacity (C5) ground connection, the end of oppisite phase of described comparator (V4) is connected rear by described 20 resistance (R17) ground connection with one end of described 19 resistance (R16), the other end of described 19 resistance (R16) is connected with the mouth of supply module (3), the mouth of described comparator (V4) is by the 21 resistance (R18) ground connection, the mouth of described comparator (V4) is the mouth of current sampling module (7), the negative power end ground connection of described comparator (V4), the positive power source terminal of described comparator (V4) is connected with the mouth of described supply module (3).
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