CN110239497A - Electrically controlled brake system and preparatory emergency braking system - Google Patents
Electrically controlled brake system and preparatory emergency braking system Download PDFInfo
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- CN110239497A CN110239497A CN201910590846.8A CN201910590846A CN110239497A CN 110239497 A CN110239497 A CN 110239497A CN 201910590846 A CN201910590846 A CN 201910590846A CN 110239497 A CN110239497 A CN 110239497A
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- treadle
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- 238000001514 detection method Methods 0.000 claims abstract description 79
- 238000012360 testing method Methods 0.000 claims abstract description 33
- 230000007423 decrease Effects 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 13
- 238000007906 compression Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 239000000523 sample Substances 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 7
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- FXNSVEQMUYPYJS-UHFFFAOYSA-N 4-(2-aminoethyl)benzenesulfonamide Chemical compound NCCC1=CC=C(S(N)(=O)=O)C=C1 FXNSVEQMUYPYJS-UHFFFAOYSA-N 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000002123 temporal effect Effects 0.000 description 2
- 230000010485 coping Effects 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/04—Brake-action initiating means for personal initiation foot actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
Abstract
The present invention relates to a kind of electrically controlled brake systems, including cylinder body and it is installed on treadle, air valve, electronic control module, executing agency and the detection device of cylinder body, cylinder body is fixed on car body and is located at under-cab, what detection device was used to detect treadle tramples speed and displacement, electronic control module is electrically connected with executing agency and detection device respectively, air valve is located at below cylinder body, air valve upper end, which is provided with, protrudes into the intracorporal control-rod of cylinder, control-rod is opposite with the test side of treadle to be vertically correspondingly arranged, and decoupling gap is provided between control-rod and the test side of treadle.Using the above scheme, the present invention provides a kind of electrically controlled brake system that security performance is high, compact-sized, at low cost and preparatory emergency braking system.
Description
Technical field
The present invention relates to field of automobile brake, and in particular to a kind of electrically controlled brake system further relates to a kind of tight in advance
Anxious brake body system.
Background technique
Electrically controlled brake system, also known as EBS replace traditional machine driving to control braking system by electronic control,
To reach good braking effect, increase automobile braking safety.
Electrically controlled brake system applied to full-sized car includes cylinder body and the treadle for being installed on cylinder body, air valve, automatically controlled
Module, electromagnetic actuator and detection device are braked since full-sized car is all made of compressed gas, and air valve is installed on simultaneously
Compressed gas pipeline simultaneously controls air inflow of the compressed gas source to brake, and cylinder body is fixed on under-cab, treadle upper end with drive
The pedal linkage of room is sailed, lower end is protruded into as test side in cylinder body, and detection device is used to incude the speed of trampling of treadle, detection dress
It sets data obtained and is transmitted to electronic control module, control electromagnetic actuator movement according to the data of acquisition by electronic control module, by
Electromagnetic actuator driving air valve opens different opening to adjust air inflow.
There are certain drawbacks for this kind of electrically controlled brake system, once that is, electromagnetic actuator can not be acted because of failure,
It can not then drive air valve to adjust air inflow, and then electrically controlled brake system is caused to move disabler, need additionally to configure another
Set system goes the occurrence of coping with this kind, to guarantee driving safety, and then leads to the structure and circuit complicated of automobile, causes
Increased costs and failure rate increase.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of security performance it is high, it is compact-sized, at
This low electrically controlled brake system.
To achieve the above object, the present invention provides the following technical scheme that including cylinder body and being installed on the treadle of cylinder body, gas
Valve, electronic control module, executing agency and detection device, the cylinder body are fixed on car body and are located at under-cab, and described steps on
The pedal linkage of bar upper end and driver's cabin, lower end are protruded into as test side in cylinder body, and the detection device is for detecting treadle
Test side trample speed and displacement, the electronic control module is electrically connected with executing agency and detection device respectively, and feature exists
In: the air valve is located at below cylinder body, and the air valve upper end is provided with to protrude into cylinder body and increase air valve in decline and open
The control-rod of degree, the control-rod is opposite with the test side of treadle to be vertically correspondingly arranged, the inspection of the control-rod and treadle
Survey between end and be provided with decoupling gap, the test side of the treadle downwards and decouple moved in interstice coverage when, execute machine
The decline of structure drive control bar；The treadle is moved downward to when offseting with control-rod, and treadle and control-rod are constituted and linked, control
Bar declines with the test side of treadle and is declined.
By using above-mentioned technical proposal, while there is electric drive and Mechanical Driven two ways, in normally travel mistake
Cheng Zhong, driver need to only dub pedal, detect pedal movement by treadle by detection device, can pass through electronic control module and time control
Executing agency's movement processed operates more laborsaving so that the control-rod of air valve be driven to act；And in actuating mechanism function failure or tightly
In anxious situation, pushes pedals, treadle can be abutted directly with control-rod energetically, control air valve using mechanical action, on the one hand, with essence
The structure of letter is that can guarantee the general safety performance of electrically controlled brake system, and security performance is high, at low cost, on the other hand, contracting
Subtract in case of emergency, testing agency's detection data is simultaneously transmitted to electronic control module, then starts executing agency by electronic control module, and hold
Temporal summation consumed by the starting time needed for row mechanism itself is striven for valuable braking time for driver, is further mentioned
High safety performance.
The present invention is further arranged to: the executing agency includes lifting seat and motor, and the lifting seat is in circular
The ring-type of control-rod and treadle test side is provided with the liftway vertically movable for lifting seat in the cylinder body, described
The lateral wall of lifting seat is vertically provided with driving rack, and the output shaft of the motor is equipped with synchronous rotation and and driving cog
The transmission gear of item engagement, transmission gear passes through driving rack drive cylinder body lifting, institute when the output shaft of the motor rotates
The lifting seat stated, which is located above control-rod, is provided with the drive block to offset, matches when the lifting seat declines with control-rod linkage
It closes, drives the synchronous decline of control-rod.
By using above-mentioned technical proposal, lifting seat is set in cylinder body and is provided as the vertically movable lifting of lifting seat and is led to
Road after electronic control module obtains data and calculates, controls the output shaft rotation of motor, the output shaft of motor is by way of tooth engagement
It drives to drive when lifting seat decline and decline with the control-rod of lifting seat linkage, so that the function of electric control valve is realized, by tooth engagement
Mode make transmission it is more accurate, thus make obtain data it is more accurate.
The present invention is further arranged to: the detection device includes steering angle sensor, detection bar and detects seat, described
Lifting seat ring-shaped inner part as the vertically movable sense channel of detection seat, the test side of the detection seat and treadle joins
Simultaneously synchronizing moving, the lateral wall of the detection seat are vertically provided with detection rack gear for dynamic setting, and the detection bar rotates in
Cylinder body and the detection gear for being equipped with synchronous rotation, the lifting seat open up the inspection that active detection gear is engaged with detection rack gear
Notch is surveyed, wherein one end of the detection bar and the test side of steering angle sensor are connected.
By using above-mentioned technical proposal, when detection seat is moved along sense channel, by detection rack gear and gear is detected
Cooperation, is transferred to detection bar for movement, as the steering angle sensor test side linked with detection bar to receive detection bar dynamic
Steering angle data will be obtained after work and is transmitted to electronic control module, is trampled speed to obtain and is trampled depth, thus according to difference
Different movements is made by data control executing agency, in addition, keeping transmission more accurate by the mode of tooth engagement, to make to obtain number
According to more accurate.
The present invention is further arranged to: further including the cylindrical compression spring vertically placed, the drive block is in inverted
Tubular is simultaneously placed on the part that detection bar is located in lifting seat, and the periphery of the drive block is provided with reseting disk, the reset
Disk top ring is provided with lower reseting groove compatible with cylindrical compression spring end shape, the detection seat lower end around drive block
It is provided with upper reseting groove compatible with cylindrical compression spring end shape, the cylindrical compression spring is compressed in reseting groove
Between lower reseting groove.
By using above-mentioned technical proposal, add cylindrical compression spring as return unit, on the one hand enable detect seat to
Treadle automatically resets, and guarantees the accuracy of detection, on the other hand resets lifting seat to control-rod, guarantees the mobile synchronization of the two
Property, while the function of multiple return units is integrated, simplify structure more.
The present invention is further arranged to: the detection seat upper end is provided with linkage slot, and the induction end of the treadle is set
It is equipped with the spherical linkage block being located in linkage slot, the treadle is arranged with the limit plate being located in linkage slot, the linkage
Slot position is arranged with the retainer ring being limited in limit plate and spherical linkage block in linkage slot at notch.
By using above-mentioned technical proposal, spherical linkage block is limited in linkage slot from retainer ring with limit plate, a side
Face assembly is simple, stablizes, and on the other hand, can form spherical shape in linkage slot and be linked, due to not being when treadle is with pedal linkage
The movement of single direction, spherical shape, which is linked, can greatly improve the linkage smoothness detected between seat and treadle.
The present invention is further arranged to: the motor has deceleration or is provided with speed reducer between output shaft.
By using above-mentioned technical proposal, motor with deceleration or or be provided with speed reducer between output shaft,
Make the output speed of motor and improve torque while reduction, to keep the lifting action of lifting seat more stable.
The present invention also discloses a kind of preparatory emergency braking system on the basis of electrically controlled brake system, and provides
Following technical solution: further including the distance measuring sensor and speed probe being electrically connected respectively with electronic control module, and the revolving speed passes
Sensor is respectively arranged in car body position corresponding with wheel and the revolving speed for detecting wheel, the distance measuring sensor are installed on
For detecting and the spacing of front truck in front of car body.
By using above-mentioned technical proposal, can be obtained by speed probe rotary speed data obtained and distance measuring sensor
Vehicle distance data is derived by formula, calculates driven vehicle meeting/will not connect within a certain period of time with front truck
Touching is braked in time under the premise of having contact possibility, restores the possibility that will not be in contact with front truck in revolving speed
When, it is normally carried out traveling, so that electrically controlled brake system be made to have the function of anticipation, forms preparatory emergency braking system, i.e.,
AEBS。
Detailed description of the invention
Fig. 1 is the perspective view of electrically controlled brake system；
Fig. 2 is the internal structure chart of cylinder body in electrically controlled brake system；
Fig. 3 is the perspective view that cylinder body is removed in electrically controlled brake system；
Fig. 4 is the functional block diagram of preparatory emergency braking system.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described reality
Applying example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
In the description of the present invention, it should be noted that term " center ", "lower", "left", "right", " is erected at "upper"
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, only
It is that for the convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must have specifically
Orientation is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " the
Two ", " third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
As shown in Fig. 1-Fig. 3, the invention discloses a kind of electrically controlled brake system, including cylinder body 1 and it is installed on cylinder body
1 treadle 2, air valve 3, electronic control module 4, executing agency 5 and detection device 6, cylinder body 1 are fixed on car body and are located under driver's cabin
Side, electronic control module 4 be existing electrically controlled brake system in controller, the pedal linkage of treadle 2 upper end and driver's cabin, under
End is protruded into and is used as test side 21 in cylinder body 1, and speed and displacement are trampled in the test side 21 that detection device 6 is used to detect treadle 2, automatically controlled
Module 4 is electrically connected with executing agency 5 and detection device 6 respectively and controls the movement of executing agency 5, and air valve 3 is located at 1 lower section of cylinder body,
3 upper end of air valve is provided with the control-rod 31 for protruding into cylinder body 1 and increasing by 3 aperture of air valve in decline, has control-rod 31(valve
Bar) air valve 3 be existing apparatus, control-rod 31 and the test side 21 of treadle 2 be vertically correspondingly arranged relatively, control-rod 31 and treadle
Decoupling gap 11 is provided between 2 test side 21, the test side 21 of treadle 2 is moved downwards and in decoupling 11 range of gap
When, the decline of 5 drive control bar 31 of executing agency；Treadle 2 is moved downward to when offseting with control-rod 31, treadle 2 and control-rod 31
Linkage is constituted, control-rod 31 declines with the test side 21 of treadle 2 and declined, while having two kinds of sides of electric drive and Mechanical Driven
Formula, in normal driving process, driver need to only dub pedal, detect pedal movement by treadle 2 by detection device 6
By the control in time of electronic control module 4, executing agency 5 is acted, so that the control-rod 31 of air valve 3 be driven to act, is operated more laborsaving；
And in 5 disabler of executing agency or in emergency circumstances, pushes pedals, treadle 2 can be abutted directly with control-rod 31 energetically, be utilized
Mechanical action controls air valve 3, on the one hand, it can guarantee the general safety performance of electrically controlled brake system with the structure simplified,
Security performance is high, at low cost, and on the other hand, in case of emergency, testing agency's detection data is simultaneously transmitted to electronic control module for reduction
4, then temporal summation consumed by the starting time needed for the starting executing agency 5 of electronic control module 4 and executing agency 5 itself, it is
Driver strives for valuable braking time, further increases security performance.
Executing agency 5 includes lifting seat 51 and motor 52, and lifting seat 51 is in around 2 test side 21 of control-rod 31 and treadle
Ring-type is provided with the liftway 12 vertically movable for lifting seat 51 in cylinder body 1, and the lateral wall of lifting seat 51 is vertically provided with
Driving rack 511, the output shaft 521 of motor 52 are equipped with the transmission gear 522 for rotating synchronously and engaging with driving rack 511,
Transmission gear 522 drives cylinder body 1 to go up and down by driving rack 511 when the output shaft 521 of motor 52 rotates, and lifting seat 51 is located at control
The drive block 512 to offset is provided with above bar 31 processed, lifting seat 51 is linked when declining with control-rod 31, drives control-rod 31
Lifting seat 51 is arranged in cylinder body 1 and is provided as the vertically movable liftway 12 of lifting seat 51, electronic control module 4 for synchronous decline
After obtaining data and calculating, the output shaft 521 of control motor 52 is rotated, and the output shaft 521 of motor 52 is by way of tooth engagement
The control-rod 31 to link with lifting seat 51 is driven to decline when lifting seat 51 being driven to decline, thus realize the function of electric control valve 3, by
The mode of tooth engagement keeps transmission more accurate, to keep acquisition data more accurate, in addition, output shaft 521 and transmission gear 522
It seperated can link and be arranged or be wholely set.
Detection device 6 includes steering angle sensor 61, detection bar 62 and detection seat 63, the ring-shaped inner part conduct of lifting seat 51
For the vertically movable sense channel 513 of detection seat 63, the linkage of test side 21 of detection seat 63 and treadle 2 is arranged and synchronizing moving,
The lateral wall of detection seat 63 is vertically provided with detection rack gear 631, and detection bar 62 rotates in cylinder body 1 and is equipped with synchronous rotation
Gear 621 is detected, lifting seat 51 opens up the detection notch 514 that active detection gear 621 is engaged with detection rack gear 631, detection bar
62 wherein one end is connected with the test side 21 of steering angle sensor 61, is provided with rolling bearing between the other end and cylinder body 1
622, when detection seat 63 is moved along sense channel 513, with detection rack gear 631 and detection gear 621, movement is transmitted
To detection bar 62, as 61 test side 21 of steering angle sensor linked with detection bar 62 after receiving detection bar 62 and acting
Steering angle data will be obtained and be transmitted to electronic control module 4, speed is trampled to obtain and trample depth, thus according to different data control
Different movements is made by executing agency 5 processed, in addition, keeping transmission more accurate by the mode of tooth engagement, to make to obtain data more
To be accurate, in a specific embodiment, treadle 2 is abutted by detection seat 63 and drive block with the composition of control-rod 31, and between decoupling
Gap 11 is the spacing detected between seat 63 and drive block 512.
It further include the cylindrical compression spring 7 vertically placed, drive block 512 is in inverted tubular and is placed on detection bar 62 and is located at
Part in lifting seat 51, the periphery of drive block 512 are provided with reseting disk 514, and 514 top ring of reseting disk is set around drive block 512
It is equipped with lower reseting groove 5141 compatible with 7 end shape of cylindrical compression spring, detection 63 lower end of seat is provided with to be compressed with cylinder
The compatible upper reseting groove 631 of 7 end shape of spring, cylindrical compression spring 7 are compressed in reseting groove 631 and lower reseting groove 5141
Between, cylindrical compression spring 7 is added as return unit, so that detection seat 63 is automatically reset to treadle 2, is guaranteed detection
Accuracy, on the other hand lifting seat 51 is resetted to control-rod 31, the mobile synchronism both guaranteed, while integrating multiple multiple
The function of position part, simplifies structure more.
Detection 63 upper end of seat is provided with linkage slot 632, and the induction end of treadle 2 is provided with the spherical shape being located in linkage slot 632
Linkage block 22, treadle 2 are arranged with the limit plate 633 being located in linkage slot 632, and linkage slot 632, which is located at notch, to be arranged with and will limit
Position plate 633 and spherical linkage block 22 are limited in the retainer ring 634 in linkage slot 632, and retainer ring 634 will be spherical with limit plate 633
Linkage block 22 is limited in linkage slot 632, and on the one hand assembly is simple, stablizes, and on the other hand, can form spherical shape in linkage slot 632
It is linked, the not movement of single direction when due to treadle 2 and pedal linkage, spherical shape, which is linked, can greatly improve detection
Linkage smoothness between seat 63 and treadle 2, treadle 2, which is located between the periphery and cylinder body 1 for stretching out 1 position of cylinder body, is additionally provided with cunning
Block washer 23.
Motor 52 has deceleration or is provided with speed reducer between output shaft 521, the motor 52 with deceleration
Or or be provided with speed reducer between output shaft 521, make motor 52 output speed reduce while improve torque, to make to rise
The lifting action for dropping seat 51 is more stable.
As shown in Fig. 1-4, the present invention also discloses a kind of preparatory emergency braking on the basis of electrically controlled brake system
System, and provide following technical solution: it further include the distance measuring sensor 8 and revolution speed sensing being electrically connected respectively with electronic control module 4
Device 9, speed probe 9 are respectively arranged in car body position corresponding with wheel and the revolving speed for detecting wheel, distance measuring sensor 8
Be installed in front of car body for detect with the spacing of front truck, can be by the rotary speed data obtained of speed probe 9 and ranging sensing
Device 8 obtain vehicle distance data, derived by formula, calculate driven vehicle meeting/will not within a certain period of time with it is preceding
Vehicle is in contact, and under the premise of having contact possibility, is braked in time, will not be in contact with front truck in revolving speed recovery
Possibility when, be normally carried out traveling, thus make electrically controlled brake system have the function of anticipation, form preparatory emergency braking system
System, i.e. AEBS, above-mentioned function also can be carried out extension, for example, uphill starting, ramp holding, composite braking etc..
Uphill starting judges whether automobile is slipped afterwards to provide brake force for car body according to speed probe, and is meeting
Cancel brake force when advance torque；Ramp keeps judging whether automobile slips to provide system for car body afterwards according to speed probe
Power makes speed maintain 0；Composite braking, auxiliary slow speed device, makes retarder play maximum efficiency in braking process, thus
Extend the brake(-holder) block service life.
The sensor is the commercially available existing sensor applied to full-sized car.
Claims (7)
1. a kind of electrically controlled brake system, including cylinder body and it is installed on the treadle, air valve, electronic control module, executing agency of cylinder body
And detection device, the cylinder body are fixed on car body and are located at under-cab, the pedal of the treadle upper end and driver's cabin
Linkage, lower end are protruded into as test side in cylinder body, and speed and position are trampled in the test side that the detection device is used to detect treadle
It moves, the electronic control module is electrically connected with executing agency and detection device respectively, it is characterised in that: the air valve is located at cylinder body
Lower section, the air valve upper end are provided with the control-rod for protruding into cylinder body and increasing air valve opening in decline, the control
Bar is opposite with the test side of treadle to be vertically correspondingly arranged, and is provided between decoupling between the control-rod and the test side of treadle
Gap, the test side of the treadle downwards and decouple moved in interstice coverage when, the decline of executing agency's drive control bar；It is described
Treadle be moved downward to when offseting with control-rod, treadle and control-rod are constituted and are linked, and control-rod declines with the test side of treadle
And decline.
2. electrically controlled brake system according to claim 1, it is characterised in that: the executing agency includes lifting seat
And motor, the lifting seat are in the ring-type around control-rod and treadle test side, are provided in the cylinder body for lifting seat
Vertically movable liftway, the lateral wall of the lifting seat are vertically provided with driving rack, the output of the motor
Axis is equipped with the transmission gear for rotating synchronously and engaging with driving rack, and transmission gear is logical when the output shaft of the motor rotates
It crosses driving rack and drives cylinder body lifting, the lifting seat, which is located above control-rod, is provided with the drive block to offset, the liter
It is linked when drop seat decline with control-rod, drives the synchronous decline of control-rod.
3. electrically controlled brake system according to claim 2, it is characterised in that: the detection device includes steering angle
Sensor, detection bar and detection seat, the ring-shaped inner part of the lifting seat is as the sense channel vertically movable for detection seat, institute
Simultaneously synchronizing moving, the lateral wall of the detection seat are vertically provided with inspection for the test side linkage setting of the detection seat and treadle stated
Rack gear is surveyed, the detection bar rotates in cylinder body and is equipped with the detection gear of synchronous rotation, and the lifting seat opens up active
The detection notch that detection gear is engaged with detection rack gear, wherein one end of the detection bar and the test side of steering angle sensor
It is connected.
4. electrically controlled brake system according to claim 3, it is characterised in that: further include the cylinder compression vertically placed
Spring, the drive block is in inverted tubular and is placed on the part that detection bar is located in lifting seat, outside the drive block
It is provided with reseting disk week, the reseting disk top ring is provided with compatible with cylindrical compression spring end shape around drive block
Lower reseting groove, the detection seat lower end is provided with upper reseting groove compatible with cylindrical compression spring end shape, described
Cylindrical compression spring is compressed between reseting groove and lower reseting groove.
5. electrically controlled brake system according to claim 3, it is characterised in that: the detection seat upper end is provided with connection
Dynamic slot, the induction end of the treadle are provided with the spherical linkage block being located in linkage slot, and the treadle, which is arranged with, is located at connection
Limit plate in dynamic slot, the linkage slot position is arranged at notch is limited in limit plate and spherical linkage block in linkage slot
Retainer ring.
6. electrically controlled brake system according to claim 2, it is characterised in that: the motor have deceleration or
Speed reducer is provided between output shaft.
7. special using the preparatory emergency braking system such as claims 1 or 2 or 3 or 4 or 5 or 6 electrically controlled brake system
Sign is: further including the distance measuring sensor and speed probe being electrically connected respectively with electronic control module, the speed probe point
It is not installed on car body position corresponding with wheel and the revolving speed for detecting wheel, before the distance measuring sensor is installed on car body
Side is for detecting and the spacing of front truck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910590846.8A CN110239497A (en) | 2019-07-02 | 2019-07-02 | Electrically controlled brake system and preparatory emergency braking system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910590846.8A CN110239497A (en) | 2019-07-02 | 2019-07-02 | Electrically controlled brake system and preparatory emergency braking system |
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| Publication Number | Publication Date |
|---|---|
| CN110239497A true CN110239497A (en) | 2019-09-17 |
Family
ID=67890632
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910590846.8A Pending CN110239497A (en) | 2019-07-02 | 2019-07-02 | Electrically controlled brake system and preparatory emergency braking system |
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| CN201901130U (en) * | 2010-12-13 | 2011-07-20 | 徐州重型机械有限公司 | Crane and brake system thereof |
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| CN107031597A (en) * | 2017-04-18 | 2017-08-11 | 上海同驭汽车科技有限公司 | A kind of integrated type electrical brake fluid system and method |
| CN108422990A (en) * | 2018-05-18 | 2018-08-21 | 浙江三星机电股份有限公司 | Electric booster braking device with treadle assembly travel feedback mechanism |
| CN210337884U (en) * | 2019-07-02 | 2020-04-17 | 平阳星嘉智能科技有限公司 | Electronically controlled brake system and pre-emergency brake system |
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