CN108189828A - A kind of new brake block Braking Force Detection System - Google Patents
A kind of new brake block Braking Force Detection System Download PDFInfo
- Publication number
- CN108189828A CN108189828A CN201810013716.3A CN201810013716A CN108189828A CN 108189828 A CN108189828 A CN 108189828A CN 201810013716 A CN201810013716 A CN 201810013716A CN 108189828 A CN108189828 A CN 108189828A
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- China
- Prior art keywords
- brake
- brake block
- force
- detection module
- electromagnetic detection
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
Abstract
The present invention provides a kind of new brake block Braking Force Detection System, it is related to the automatic Test and control field of automobile brake system, it is suitble to the quick and precisely detection of automotive brake pads brake force, it is intended to make up the deficiency in brake block braking forces measuring technology in the prior art.The present invention can realize the quick and precisely detection of brake block brake force, provide the necessary technical support for vehicle braking energy recovery system, to improve the cruising ability of the capacity usage ratio of vehicle and vehicle.
Description
Technical field
The present invention relates to the automatic measurement technique fields of automobile brake system, relate more specifically to a kind of new brake block system
Dynamic testing system.
Background technology
In daily life, automobile constantly enters family, becomes indispensable walking-replacing tool, therewith
Come, the indexs of correlation such as safety, energy consumption and environmental protection of automobile increasingly become automaker and consumers pay close attention to it is main
Element.Domestic and international Main Auto company and components supplying quotient are dedicated to the research of Brake energy recovery technology, are returned by energy
Receipts system realizes that energy regenerating is fed when vehicle deceleration is braked, and kinetic energy is converted and is stored, to improve the capacity usage ratio of vehicle
With the cruising ability of vehicle.In vehicle Brake Energy recovery system, the detection of brake block brake force is to realize that braking is recoverable
Key factor provides necessary judgment condition to brake recoverable operating mode.
On existing automobile product, disk type brake brake is widely used, for the measurement of Disk Brake power,
Typically the size of brake pedal stroke is calculated or is calculated by measuring the hydraulic coupling of brake fluid line always, since brake is
System, which is realized in braking process, has an energy loss, therefore the brake force that is detected of above-described braking forces measuring method and brake
Piece is loaded between the actual braking force of brake disc there are certain error, and testing result is inaccurate.Therefore, it is necessary to design one
The new brake block Braking Force Detection System of kind, fast and accurately realizes the measurement of brake block brake force, is returned for vehicle braking energy
Receipts system provides the necessary technical support.
Invention content
In view of the deficiencies in the prior art, the present invention provides a kind of new brake block Braking Force Detection System, using electromagnetism sense
Principle is answered to realize the quick and precisely detection of brake block brake force, is provided the necessary technical branch for vehicle braking energy recovery system
It holds.
The present invention provides a kind of new brake block Braking Force Detection System, a kind of new brake block braking forces measuring
System includes brake disc, brake block, brake block driving device, spring, brake force electromagnetic detection module, action sensor and data
Acquisition system assembly；The brake block is connect with the brake block driving device, and the brake block driving device drives the brake
Vehicle piece moves, and the action sensor is triggered by vehicle brake pedal, and the action sensor is passed through with data collecting system assembly
Conducting wire connects, and the brake force electromagnetic detection module is installed in the counterbore of the brake block driving device and can be relative to counterbore
It is in axial sliding, the end thereof contacts of described brake force electromagnetic detection module one end and the spring and enables institute under the pressure of the spring
The other end for stating brake force electromagnetic detection module is pressed on the disc surface, the other end of the spring and the counterbore bottom
Portion compresses, and the brake force electromagnetic detection module connect to realize the brake block thickness through conducting wire with data collecting system assembly
The acquisition of data；Automobile is left front, it is right before, it is left back, right after be respectively arranged with the brake force electromagnetic detection module on four wheels.
The brake force electromagnetic detection module includes inductance coil, iron core and signal lead, according to measurement needs, the system
Power electromagnetic detection module can be single, two or more uniformly distributed.
A kind of new brake block Braking Force Detection System of the present invention, when not having brake, the brake block is in multiple
Position state, the air gap d1 and d2 between the brake block and the brake block be larger, then the brake force electromagnetic detection module
The air dielectric length of magnetic path is larger, i.e., the magnetic resistance of described brake force electromagnetic detection module is larger；When vehicle operator steps on brake
During vehicle pedal, the action sensor is touched, the action signal of the action sensor is transmitted to the data through conducting wire and acquires
System synthesis simultaneously enters brake block braking forces measuring state, while the brake block driving device provides driving to the brake block
Power drives the brake block to be bonded with the brake disc, realizes brake；When the brake block is bonded with the brake disc, institute
The air gap stated between brake block and the brake disc disappears, and saltus step occurs for the magnetic resistance value of the brake force electromagnetic detection module, then
Saltus step occurs for the electric signal that is detected, and then judges that brake block has been in fit-state at this time, while described this is detected and stored
When brake force electromagnetic detection module magnetic resistance Rm；After the brake block is bonded with the brake disc, under the driving of brake force,
The brake block is under pressure and deforms upon, i.e. brake block and brake disc thickness changes, then the length of magnetic path changes,
The magnetic resistance of the brake force electromagnetic detection module changes, and the electric signal detected follows magnetic resistance to change, the data
The magnetic resistance Rm of the brake force electromagnetic detection module is detected and stored in acquisition system assembly；According to the data collecting system assembly
The magnetic resistance Rm of detected brake force electromagnetic detection module, as magnetic resistance Rm and the pressure suffered by the brake block demarcated in advance
The relationship of power obtains the driving force N of the brake block, and then calculates brake force according to friction coefficient μ and correlation computations formula
F, the final detection for realizing brake block brake force F.
Compared with existing known technology, the present invention has following remarkable result：A kind of new brake block system of the present invention
Dynamic testing system installs brake force electromagnetic detection module in brake block driving device, according to electromagnetic induction principle, works as magnetic circuit
When the thickness of middle magnetic medium changes, i.e., when the thickness of described brake block changes, the magnetic flux of magnetic circuit changes, into
And the inductance value of brake force electromagnetic detection module changes, the variation of the inductance value by detecting brake force electromagnetic detection module
It can realize the braking forces measuring of the brake block, and brake force electromagnetic detection module fast response time, high sensitivity；The present invention
A kind of new brake block Braking Force Detection System, when quickly can accurately detect brake block brake force, and replace brake block,
It does not need to replace brake force electromagnetic detection module, the related ginseng of acquisition system assembly need to be only updated the data according to brake block material
Number has good versatility；A kind of microprocessor of new brake block Braking Force Detection System of the present invention is located at brake force
Electromagnetic detection near modules can reduce the interference being subject to due to conducting wire is long in signal acquisition process, for acquiring the braking
The output signal of power electromagnetic detection module, while detected braking force data is exported to other such as automobile energy by bussing technique
Recovery system etc. is measured in order to which other systems work.
Description of the drawings
In order to illustrate the embodiments of the present invention more clearly, attached drawing needed in the embodiment will be made simply below
It introduces, it should be apparent that, the accompanying drawings in the following description is only the embodiment of the present invention, and those of ordinary skill in the art are come
It says, without having to pay creative labor, can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is a kind of structure diagram of new brake block Braking Force Detection System provided in an embodiment of the present invention.
Reference sign：1- brake discs；2- brake blocks；3- brake block driving devices；301- counterbores；4- springs；5- systems
Power electromagnetic detection module；501- inductance coils；502- iron cores；503- signal leads；6- data collecting system assemblies；7- is acted
Sensor.
Specific embodiment
In order to further appreciate that present disclosure, below in conjunction with the attached drawing in the embodiment of the present invention, to of the invention real
The technical solution applied in example is clearly and completely described, it is clear that described embodiment is only that a present invention part is implemented
Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
All other embodiments obtained under the premise of labour, shall fall within the protection scope of the present invention.
Refering to what is shown in Fig. 1, a kind of structural representation of new brake block Braking Force Detection System provided in an embodiment of the present invention
Figure, includes brake disc 1, brake block 2, brake block driving device 3, spring 4, brake force electromagnetic detection module 5, data collecting system
Assembly 6 and action sensor 7.The brake block 2 is connect with the brake block driving device 3, and the brake block driving device 3 is driven
It moves the brake block 2 to move, the action sensor 7 is mounted on vehicle brake pedal, and the action sensor 7 is adopted with data
Collecting system assembly 6 connects the acquisition to realize action data through conducting wire, and the brake force electromagnetic detection module 5 is installed on the brake
It can be in axial sliding in the counterbore 301 of vehicle piece driving device 3 and relative to counterbore 301, the brake force electromagnetic detection module 5 one
End is compressed with the end thereof contacts of the spring 4 and in the order other end of the brake force electromagnetic detection module 5 of pressure of spring 4
On 2 surface of brake block, the other end of the spring 4 is pressed into contact with 301 bottom of counterbore, the brake force electromagnetism inspection
Module 5 is surveyed to connect to realize the detection of the brake block brake force through conducting wire with data collecting system assembly 6；Automobile is left front, right
Before, it is left back, right after be respectively arranged with the brake force electromagnetic detection module 5 on four wheels.
The brake force electromagnetic detection module 5 includes inductance coil 501, iron core 502 and signal lead 503, according to measurement
It needs, the Thickness sensitivity module can be single, two or more uniformly distributed, electromagnetic thickness detection module 5 and data acquisition module
Block assembly 6 is connected through conducting wire；Pass through bus between the data collecting system assembly 6 and other such as Recov ery of Energy During Automotive Brake
Communication.
In the present embodiment, when not there is brake, the brake block 2 is in reset state, the brake block 2 and institute
It states brake disc 1 and is in relative separation state, the air gap d1 and d2 between the brake block 2 and the brake disc 1 are larger, i.e.,
The air magnetic circuit of the brake force electromagnetic detection module 5 is longer, then the magnetic resistance value Rm of the brake force electromagnetic detection module 5 compared with
Greatly；It when vehicle operator steps on brake pedal, touches the action sensor 7 and generates brake signal, brake is dynamic
Make signal and be transmitted to the data collecting system assembly 6 through conducting wire, detecting system enters brake block braking forces measuring state, simultaneously
The brake block driving device 3 to the brake block 2 provide driving force, the brake block 2 is driven to be bonded with the brake disc 1 with
Realize brake；When the brake block 2 is bonded with the brake disc 1, the air between the brake block 2 and the brake disc 1
Gap d 1 and d2 disappear, and saltus step occurs for the magnetic resistance value Rm of the brake force electromagnetic detection module 5, then the electric signal detected occurs
Saltus step, and then judge that the brake block 2 has been in fit-state, and be detected and stored described at this time with the brake disc 1 at this time
The magnetic resistance value Rm of brake force electromagnetic detection module 5；After the brake block 2 is bonded with the brake disc 1, in the driving of brake force
Under, the brake block 2 and the brake disc 1 are deformed upon when being under pressure, i.e., described brake block 2 and the brake disc 1
Thickness changes, i.e., the length of magnetic path of described brake force electromagnetic detection module 5 changes, then the brake force electromagnetic detection
The magnetic resistance value Rm of module 5 changes, and the electric signal detected follows magnetic resistance value Rm to change, and the data collecting system is total
The magnetic resistance Rm that the brake force electromagnetic detection module 5 is detected and stored into 6；It is detected according to the data collecting system assembly 6
The magnetic resistance Rm of brake force electromagnetic detection module arrived, as magnetic resistance Rm and the pressure suffered by the brake block 2 demarcated in advance
Relationship obtains the driving force N of the brake block 2, and then calculates brake force F according to friction coefficient μ and correlation computations formula,
The final detection for realizing brake block brake force F.
What is finally illustrated is：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although ginseng
The present invention is described in detail according to previous embodiment, it will be understood by those of ordinary skill in the art that：It still can be with
It modifies to the technical solution recorded in foregoing embodiments and either which part or all technical features is equal
It replaces；And these modifications or replacement, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution
Range.
Claims (4)
1. the present invention provides a kind of new brake block Braking Force Detection System, a kind of new brake block braking forces measuring system
System comprising brake disc, brake block, brake block driving device, spring, brake force electromagnetic detection module, data collecting system assembly and
Action sensor.
2. a kind of new brake block Braking Force Detection System according to claim 1, it is characterised in that：The brake force electricity
Magnetic testi module includes inductance coil, iron core and signal lead, and according to measurement needs, made power electromagnetic detection module can be
It is single, two or more uniformly distributed.
3. a kind of new brake block Braking Force Detection System according to claim 1,2, it is characterised in that：The brake force
Electromagnetic detection module is installed in the counterbore of the brake block driving device and can be in axial sliding relative to counterbore, the braking
One end of power electromagnetic detection module and the end thereof contacts of the spring and the brake force electromagnetic detection is enabled under the pressure of the spring
The other end of module is pressed on the disc surface, and the other end of the spring is pressed into contact with the counterbore base.
4. a kind of new brake block Braking Force Detection System according to claim 1,2,3, it is characterised in that：When not there is brake
When vehicle acts, the brake block is in reset state, and there are the air gap, the systems between the brake block and the brake disc
The magnetic resistance value of power electromagnetic detection module is larger；When vehicle operator steps on brake pedal, detecting system enters brake block
Braking forces measuring state, when the brake block driving device drives the brake block to be bonded with the brake disc, the brake
The air gap between piece and the brake disc disappears, and saltus step occurs for the magnetic resistance value of the brake force electromagnetic detection module, is making
Under the driving of power, the brake block generates deformation, the magnetic resistance value hair of the brake force electromagnetic detection module with the brake disc
Changing is obtained the drive of the brake block as the magnetic resistance value of prior experimental calibration and the relationship of the pressure suffered by the brake block
Power, and then brake force is calculated according to friction coefficient and correlation computations formula, the final detection for realizing brake block brake force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810013716.3A CN108189828A (en) | 2018-01-08 | 2018-01-08 | A kind of new brake block Braking Force Detection System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810013716.3A CN108189828A (en) | 2018-01-08 | 2018-01-08 | A kind of new brake block Braking Force Detection System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108189828A true CN108189828A (en) | 2018-06-22 |
Family
ID=62588110
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810013716.3A Pending CN108189828A (en) | 2018-01-08 | 2018-01-08 | A kind of new brake block Braking Force Detection System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108189828A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111765188A (en) * | 2020-06-30 | 2020-10-13 | 东风商用车有限公司 | Single-contact limit type wear sensor for friction plate of drum brake |
| CN111911570A (en) * | 2020-07-09 | 2020-11-10 | 东风商用车有限公司 | Continuous sensor for detecting friction plate of drum brake and drum brake |
| CN112477839A (en) * | 2021-01-08 | 2021-03-12 | 山东理工大学 | Reluctance type automobile brake pad thickness detection structure |
| CN112660096A (en) * | 2020-12-09 | 2021-04-16 | 深圳市云伽智能技术有限公司 | Brake pad replacement checking method and device, diagnostic equipment and storage medium thereof |
| CN113906232A (en) * | 2019-05-13 | 2022-01-07 | 乐姆宝公开有限公司 | Brake caliper of disc brake, disc brake system and detection device |
| CN114720043A (en) * | 2022-04-28 | 2022-07-08 | 广德亚太汽车智能制动系统有限公司 | Brake disc detects processingequipment |
| CN114857190A (en) * | 2022-05-27 | 2022-08-05 | 武汉科技大学 | Brake pad wear detection system |
| CN115214589A (en) * | 2021-12-14 | 2022-10-21 | 广州汽车集团股份有限公司 | Method for monitoring residual service life of vehicle brake disc, storage medium and vehicle |
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| CN102203452A (en) * | 2008-11-03 | 2011-09-28 | 通力股份公司 | Arrangement and method for supervising the operation of a brake |
| EP2479450A1 (en) * | 2011-01-21 | 2012-07-25 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Method for readjusting two-sided clearance for floating calliper brakes of vehicles and corresponding assembly |
| CN106347339A (en) * | 2016-10-28 | 2017-01-25 | 江苏理工学院 | Self power supply type double-motor brake execution mechanism of automobile electro-mechanical brake system |
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| JPS60139928A (en) * | 1983-12-28 | 1985-07-24 | Jidosha Kiki Co Ltd | Brake system |
| CN102203452A (en) * | 2008-11-03 | 2011-09-28 | 通力股份公司 | Arrangement and method for supervising the operation of a brake |
| EP2479450A1 (en) * | 2011-01-21 | 2012-07-25 | KNORR-BREMSE Systeme für Nutzfahrzeuge GmbH | Method for readjusting two-sided clearance for floating calliper brakes of vehicles and corresponding assembly |
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| 徐凯宏，等: "《工业工程测试与控制技术》", 31 August 2016 * |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113906232A (en) * | 2019-05-13 | 2022-01-07 | 乐姆宝公开有限公司 | Brake caliper of disc brake, disc brake system and detection device |
| CN111765188A (en) * | 2020-06-30 | 2020-10-13 | 东风商用车有限公司 | Single-contact limit type wear sensor for friction plate of drum brake |
| CN111765188B (en) * | 2020-06-30 | 2021-09-10 | 东风商用车有限公司 | Single-contact limit type wear sensor for friction plate of drum brake |
| CN111911570A (en) * | 2020-07-09 | 2020-11-10 | 东风商用车有限公司 | Continuous sensor for detecting friction plate of drum brake and drum brake |
| CN112660096A (en) * | 2020-12-09 | 2021-04-16 | 深圳市云伽智能技术有限公司 | Brake pad replacement checking method and device, diagnostic equipment and storage medium thereof |
| CN112477839A (en) * | 2021-01-08 | 2021-03-12 | 山东理工大学 | Reluctance type automobile brake pad thickness detection structure |
| CN115214589A (en) * | 2021-12-14 | 2022-10-21 | 广州汽车集团股份有限公司 | Method for monitoring residual service life of vehicle brake disc, storage medium and vehicle |
| CN114720043A (en) * | 2022-04-28 | 2022-07-08 | 广德亚太汽车智能制动系统有限公司 | Brake disc detects processingequipment |
| CN114857190A (en) * | 2022-05-27 | 2022-08-05 | 武汉科技大学 | Brake pad wear detection system |
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Application publication date: 20180622 |