CN205562176U - Electronic helping hand braking test rack - Google Patents
Electronic helping hand braking test rack Download PDFInfo
- Publication number
- CN205562176U CN205562176U CN201620333233.8U CN201620333233U CN205562176U CN 205562176 U CN205562176 U CN 205562176U CN 201620333233 U CN201620333233 U CN 201620333233U CN 205562176 U CN205562176 U CN 205562176U
- Authority
- CN
- China
- Prior art keywords
- push rod
- master cylinder
- motor
- helping hand
- braking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides an electronic helping hand braking test rack, including helping hand system, braking system, hydraulic system, hydraulic braking execution systems and detection control system, the helping hand system includes motor, gear decelerator, helping hand motor push rod and helping hand motor output force transducer, and the motor passes through gear decelerator and links to each other with helping hand motor push rod, braking system includes brake pedal, pedal push rod and push rod displacement sensor, and pedal push rod links to each other with brake pedal, master cylinder push rod's thrust comprises the thrust of helping hand motor push rod and pedal push rod's thrust jointly. The utility model discloses a detect each sensor of acquisition of sensor signal headtotail of control system and gather the signal to the action of control helping hand motor, and then realized electronic helping hand auxiliary brake. This electronic helping hand braking test rack can carry out electronic helping hand braking system's assembly capability test and detection, and its degree of safety height, easy operation, low cost, operation are reliable.
Description
Technical field
This utility model belongs to automotive field, is specifically related to a kind of electric booster braking testboard bay.
Background technology
The raising required vehicle safety along with people, the requirement of brake device for car is also existed by people
Improve constantly.Booster in existing brake device for car uses vacuum booster mostly, and vacuum helps
Power device is the core component of vacuum servo servo brake system, be utilize engine air inlet tube vacuum and
Pressure reduction between air plays power-assisted effect.When electromotor starts, electromotor will be true by vacuum hose
Empty booster ante-chamber, the air of back cavity are taken away, and vacuum booster ante-chamber, back cavity now communicate, and are all
Vacuum, owing to not stepping on brake pedal, vacuum valve is now open mode, and atmos-valve is now for closing
Closed state, ante-chamber back cavity communicates, and two chambeies do not have pressure reduction, and vacuum booster does not provide power-assisted；When
During brake pedal, vacuum valve first cuts out, and ante-chamber back cavity pathway closure, before the continuation of pedal
Moving, now atmos-valve is opened, and air enters back cavity through air valve port, owing to now ante-chamber is still that
There is pressure reduction in vacuum, ante-chamber and back cavity, and back cavity atmospheric pressure is more than ante-chamber, and epithelium assembly promotes piston
Body moves forward, it is provided that brake boost.But existing this vacuum booster constitutes gas by external shell
, there is idle stroke when gas enters cavity, and the size of power-assisted can not regulate effectively in chamber,
Cause sensitivity during skidding the highest, there is certain potential safety hazard.
For substitute vacuum boosting braking system, people begin to use electric booster braking system, by
Various sensor is set on pedal gear, and uses control unit that the signal of each sensor is processed,
To start motor and to adjust the output of motor, thus provide power-assisted for braking.But, in prior art
Electric booster braking system test device be typically all use direct manual operation mode, at vapour
Car education and instruction is limited be difficult to popularize by external environment condition, operation degree of safety, cost price etc..
Utility model content
This utility model is for above-mentioned the deficiencies in the prior art, it is provided that a kind of degree of safety is high, operation letter
Single, with low cost, reliable electric booster braking testboard bay.
This utility model is achieved by the following technical solution:
A kind of electric booster braking testboard bay, including force aid system, brakes, hydraulic system,
Hydraulic braking performs system and detecting and controlling system；
Described force aid system includes that motor, mechanical reduction gear, assist motor push rod and assist motor are defeated
Force sensor, motor is connected with assist motor push rod by mechanical reduction gear, and assist motor exports
Force transducer is installed on assist motor push rod；
Described brakes includes brake pedal, pedal push rod and push rod displacement transducer, pedal push rod
Being connected with brake pedal, push rod displacement transducer is installed on pedal push rod；
Described hydraulic system include master cylinder push rod, power output sensor, master cylinder, master cylinder pressure sensor,
Miniature oil pump and oil storage tank, master cylinder push rod coordinates installation with master cylinder, and power output sensor is arranged on master cylinder
On push rod；Master cylinder pressure sensor is installed in master cylinder；Miniature oil pump is connected with master cylinder and oil storage tank；
Assist motor push rod is all connected with master cylinder push rod with pedal push rod；
Described hydraulic braking performs system and includes caliper, wheel, wheel speed sensors and brake piping；
One end of brake piping is connected with master cylinder, and the other end is connected with caliper, and caliper coordinates real with wheel
Now braking, wheel speed sensors is installed on wheel；
Described detecting and controlling system includes that detecting switch board, display, industrial computer and sensor signal adopts
Collecting system, display, industrial computer and collecting sensor signal system are mounted on detecting in switch board；
Collecting sensor signal system is passed with assist motor power output sensor, push rod displacement by data cable
Sensor, power output sensor, master cylinder pressure sensor are connected with wheel speed sensors；Industrial computer and motor
Being connected, detection switch board is connected with outside electric power network.
Preferably, described motor is three-phase brushless DC motor.
Preferably, described mechanical reduction gear is secondary gear device.
Preferably, described collecting sensor signal system is PXI modular signal acquisition system.
Electric booster braking testboard bay described in the utility model is by collecting sensor signal system even
Connect each sensor to gather signal, and control assist motor action, and then achieve electric boosted auxiliary
Braking.This electric booster braking testboard bay can carry out the assembly performance of electric booster braking system and survey
Examination and detection, its degree of safety is high, simple to operate, with low cost, reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of electric booster braking testboard bay described in the utility model；
Fig. 2 is the structural representation of detecting and controlling system；
In figure, the implication of each label is as follows:
1-motor 2-assist motor push rod 3-assist motor power output sensor 4-brake pedal 5-
Pedal push rod 6-push rod displacement transducer 7-master cylinder push rod 8-power output sensor 9-master cylinder
10-master cylinder pressure sensor 11-miniature oil pump 12-oil storage tank 13-caliper 14-wheel
15-wheel speed sensors 16-detects switch board 17-display 18-industrial computer 19-sensor signal
Acquisition system 20-mechanical reduction gear 21-brake piping 22-outside electric power network
Detailed description of the invention
The utility model is described in more detail with detailed description of the invention below in conjunction with the accompanying drawings.
As shown in Figure 1-2, this utility model provides a kind of electric booster braking testboard bay, including helping
Force system, brakes, hydraulic system, hydraulic braking perform system and detecting and controlling system.
Described force aid system includes motor 1, mechanical reduction gear 20, assist motor push rod 2 and power-assisted
Motor power output sensor 3, motor 1 is connected with assist motor push rod 2 by mechanical reduction gear 20,
Assist motor power output sensor 3 is installed on assist motor push rod 2, is used for detecting assist motor and pushes away
The power output of bar 2.Described motor 1, as assist motor, can use three-phase brushless DC motor,
Its power resources industrial computer 18 in detection switch board 16.Described mechanical reduction gear 20 is two grades
Geared system, motor 1 is slowed down by secondary gear device and is increased by the moment of torsion that motor 1 produces
The moment of torsion of motor 1 output, transfers the thrust of assist motor push rod 2 to simultaneously by the moment of torsion that motor 1 produces.
Described brakes includes brake pedal 4, pedal push rod 5 and push rod displacement transducer 6, pedal
Push rod 5 is connected with brake pedal 4, and push rod displacement transducer 6 is installed on pedal push rod 5, is used for
The displacement of detection pedal push rod 5.
Described hydraulic system includes that master cylinder push rod 7, power output sensor 8, master cylinder 9, master cylinder pressure pass
Sensor 10, miniature oil pump 11 and oil storage tank 12, master cylinder push rod 7 coordinates installation with master cylinder 9, output
Force transducer 8 is arranged on master cylinder push rod 7, for detecting the power output of master cylinder push rod 7.Master cylinder pressure
Force transducer 10 is installed in master cylinder 9, for detecting the real-time pressure in master cylinder 9.Miniature oil pump 11
It is connected with master cylinder 9 and oil storage tank 12, is used for carrying out the brake fluid in master cylinder 9 supplementing and get rid of master
Air in cylinder 9.
Assist motor push rod 2 is all connected with master cylinder push rod 7 with pedal push rod 5.Pushing away of master cylinder push rod 7
Power is collectively formed by the thrust of assist motor push rod 2 and the thrust of pedal push rod 5.
Described hydraulic braking performs system and includes caliper 13, wheel 14, wheel speed sensors 15 and system
Dynamic pipeline 21.One end of brake piping 21 is connected with master cylinder 9, and the other end is connected with caliper 13,
Caliper 13 coordinates realization braking with wheel 14, and wheel speed sensors 15 is installed on wheel 14, uses
Rotating speed in detection wheel 14.
Described detecting and controlling system includes detecting switch board 16, display 17, industrial computer 18 and sensing
Device signal acquiring system 19, display 17, industrial computer 18 and collecting sensor signal system 19 are all pacified
It is loaded in detection switch board 16.Display 17 is for letter collecting sensor signal system 19 gathered
Number show with curvilinear figure.Collecting sensor signal system 19 is by data cable and assist motor
Power output sensor 3, push rod displacement transducer 6, power output sensor 8, master cylinder pressure sensor 10
It is connected with wheel speed sensors 15.Industrial computer 18 is connected with motor 1, detection switch board 16 and external electricity
Net 22 is connected.Described collecting sensor signal system 19 preferably employs PXI modular signal collection system
System.
Operation principle and the process of above-mentioned electric booster braking testboard bay be:
When people's brake pedal 4, industrial computer 18 is according to the displacement of pedal push rod displacement transducer 6
Signal so that motor 1 produces certain moment of torsion.By mechanical reduction gear 20, this torque axis is turned to again
The thrust of assist motor push rod 2.The thrust of assist motor push rod 2 and the thrust of pedal push rod 5 are common
The thrust of composition master cylinder push rod 7, is converted into the pressure of master cylinder 9 inside brake liquid.Master cylinder 9 inside brake liquid
It is connected with caliper 13 by brake piping 21, wheel 14 is being braked.
It is apparent to one skilled in the art that this utility model can change into various ways, this
The change of sample is not regarded as a departure from scope of the present utility model.All such technology people to described field
The obvious amendment of member, within being included within the protection domain of this patent.
Claims (4)
1. an electric booster braking testboard bay, it is characterised in that include that force aid system, brakes, hydraulic system, hydraulic braking perform system and detecting and controlling system；
Described force aid system includes motor (1), mechanical reduction gear (20), assist motor push rod (2) and assist motor power output sensor (3), motor (1) is connected with assist motor push rod (2) by mechanical reduction gear (20), and assist motor power output sensor (3) is installed on assist motor push rod (2)；
Described brakes includes brake pedal (4), pedal push rod (5) and push rod displacement transducer (6), pedal push rod (5) is connected with brake pedal (4), and push rod displacement transducer (6) is installed on pedal push rod (5)；
Described hydraulic system includes master cylinder push rod (7), power output sensor (8), master cylinder (9), master cylinder pressure sensor (10), miniature oil pump (11) and oil storage tank (12), master cylinder push rod (7) coordinates installation, power output sensor (8) to be arranged on master cylinder push rod (7) with master cylinder (9)；Master cylinder pressure sensor (10) is installed in master cylinder (9)；Miniature oil pump (11) is connected with master cylinder (9) and oil storage tank (12)；Assist motor push rod (2) is all connected with master cylinder push rod (7) with pedal push rod (5)；
Described hydraulic braking performs system and includes caliper (13), wheel (14), wheel speed sensors (15) and brake piping (21)；One end of brake piping (21) is connected with master cylinder (9), the other end is connected with caliper (13), caliper (13) coordinates realization braking with wheel (14), and wheel speed sensors (15) is installed on wheel (14)；
Described detecting and controlling system includes detecting switch board (16), display (17), industrial computer (18) and collecting sensor signal system (19), and display (17), industrial computer (18) and collecting sensor signal system (19) are mounted on detecting in switch board (16)；Collecting sensor signal system (19) is connected with assist motor power output sensor (3), push rod displacement transducer (6), power output sensor (8), master cylinder pressure sensor (10) and wheel speed sensors (15) by data cable；Industrial computer (18) is connected with motor (1), and detection switch board (16) is connected with outside electric power network (22).
Electric booster braking testboard bay the most according to claim 1, it is characterised in that described motor (1) is three-phase brushless DC motor.
Electric booster braking testboard bay the most according to claim 1, it is characterised in that described mechanical reduction gear (20) is secondary gear device.
Electric booster braking testboard bay the most according to claim 1, it is characterised in that described collecting sensor signal system (19) is PXI modular signal acquisition system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333233.8U CN205562176U (en) | 2016-04-19 | 2016-04-19 | Electronic helping hand braking test rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620333233.8U CN205562176U (en) | 2016-04-19 | 2016-04-19 | Electronic helping hand braking test rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205562176U true CN205562176U (en) | 2016-09-07 |
Family
ID=56809617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620333233.8U Expired - Fee Related CN205562176U (en) | 2016-04-19 | 2016-04-19 | Electronic helping hand braking test rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205562176U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202685A (en) * | 2017-06-15 | 2017-09-26 | 吉林大学 | A kind of electric mechanical braking booster hardware-in-loop simulation testing stand and test method |
| CN107356441A (en) * | 2017-09-06 | 2017-11-17 | 吉林大学 | Electric booster braking system is test bed |
| CN109374312A (en) * | 2018-11-01 | 2019-02-22 | 清华大学苏州汽车研究院（相城） | A kind of electrical servo brake apparatus comprehensive test device and performance test methods |
-
2016
- 2016-04-19 CN CN201620333233.8U patent/CN205562176U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107202685A (en) * | 2017-06-15 | 2017-09-26 | 吉林大学 | A kind of electric mechanical braking booster hardware-in-loop simulation testing stand and test method |
| CN107356441A (en) * | 2017-09-06 | 2017-11-17 | 吉林大学 | Electric booster braking system is test bed |
| CN109374312A (en) * | 2018-11-01 | 2019-02-22 | 清华大学苏州汽车研究院（相城） | A kind of electrical servo brake apparatus comprehensive test device and performance test methods |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20190419 |