CN109115098A - To detect the detection element of brake block abrasion loss - Google Patents
To detect the detection element of brake block abrasion loss Download PDFInfo
- Publication number
- CN109115098A CN109115098A CN201710484355.6A CN201710484355A CN109115098A CN 109115098 A CN109115098 A CN 109115098A CN 201710484355 A CN201710484355 A CN 201710484355A CN 109115098 A CN109115098 A CN 109115098A
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- CN
- China
- Prior art keywords
- brake block
- abrasion loss
- brake
- resistive element
- detect
- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
Abstract
The present invention discloses a kind of detection element to detect brake block abrasion loss, is incorporated into a brake block, and brake block has a wearing course to approach and be contacted with a brake disc along a direction of closing in brake.Detection element includes a resistive element and a processing element.Resistive element extends to wearing course and is set to brake block, and exposed from wearing course, use brake when with brake block be contacted with brake disc and it is synchronous with brake block worn away by brake disc, use along direction of closing generation one resistive element abrasion loss.Processing element is electrically connected in resistive element, to detect a resistance change amount of resistive element, calculates resistive element abrasion loss accordingly, and define a brake block abrasion loss using resistive element abrasion loss.
Description
Technical field
The present invention relates to a kind of to detect the detection element of brake block abrasion loss, more specifically, referring to a kind of utilization
Resistive element wears away and extrapolates the detection element to detect brake block abrasion loss of brake block abrasion loss with brake block.
Background technique
Since the industrial revolution, development in science and technology is maked rapid progress.Power source used in the vehicles of people is from earliest
Animal power develop into now using gasoline as fuel, and by engine generate power automobile.In order to keep the safety on driving road
Property, automobile can be equipped with braking system.Braking system is a kind of system to reduce the travel speed of the vehicles in a traveling
Dynamic system.In general, braking system is the travel speed that automobile is reduced by the mode for the velocity of rotation for reducing wheel.
For existing braking system, braking system includes a brake disc and an at least brake block.Wherein, brake disc with
It is wheel interlinked.When automobile in traveling starts brake, brake block can contact brake disc and generate friction with brake disc, use and subtract
The velocity of rotation of low brake disc is to reduce the velocity of rotation of wheel.Whereby, the travel speed of the automobile in traveling will be gradual
It reduces.
However, due to brake block because can often with brake disc friction and generate abrasion, when brake block wear away totally when, meeting
The danger of immediacy is generated to motorist.Therefore, people are by a kind of brake block abrasion detecting being set in brake block
Whether conducting wire is excessive to detect brake block abrasion.
In order to which the abrasion detection element of brake block provided by known technology is described in detail, also referring to Fig. 1 and Fig. 2, Fig. 1
For the schematic diagram that brake block abrasion detecting conducting wire is not worn away in brake block provided by display known technology；Fig. 2 is known to display
Schematic diagram of the abrasion detecting conducting wire of brake block provided by technology when brake block wears away excessive.As shown, people can be very
Brake block abrasion detecting conducting wire PA1 is embedded in vehicle block PA2.Wherein, brake block PA2 is along approaching close to brake rotor PA3
Direction PAE has a brake block original depth PAL1.
Before brake block PA2 does not wear away excess, the brake block abrasion detecting conducting wire PA1 being set in brake block PA2 can be led
Galvanization.However, rubbing when brake block PA2 is squeezed by an oil pressure component PA4 with brake rotor PA3, and then generate a brake
When block abrasion loss PAL3, the thickness of brake block PA2 can be made to become a brake block residual thickness from brake block original depth PAL1
PAL2.Wherein, due to be embedded brake block PA2 brake block abrasion detecting conducting wire PA1 can be as brake block PA2 be by brake rotor
PA3 wear away and rubbed, therefore originally can conducting electric current brake block abrasion detecting conducting wire PA1 generate open circuit.Whereby, Ren Menke
Detecting conducting wire PA1 generation open circuit is worn away by brake block to learn that brake block PA2 abrasion are excessive.
However, due to when brake block PA2 not yet wears away and is more than brake block abrasion loss PAL3, brake block abrasion detecting conducting wire
PA1 all can conducting electric current, therefore driver be only capable of brake block wear away detecting conducting wire PA1 rubbed after learn brake block PA2 grind
Consumption has been more than brake block abrasion loss PAL3, and can not immediately grasp the current consume situation of brake block PA2.Therefore, driver
The brake block abrasion loss PAL3 that brake block can only be worn away into position set by detecting conducting wire PA1 according to depot originally and defined
To determine whether replacement brake block PA2, and replacement brake block PA2 can not be decided whether according to individual's judgement.
Summary of the invention
In view of in known technology, driver can only be worn away brake block set by detecting conducting wire according to depot originally
Position and the brake block abrasion loss that defines can not decide whether to need to determine whether replacement brake block according to individual's judgement
The problem of replacing brake block.
The present invention is to solve the problems, such as known technology, and used necessary technology means are to provide one kind to detect brake
The detection element of block abrasion loss.Detection element is incorporated into a brake block, and brake block is with one to close square along one in brake
To the wearing course for approaching and being contacted with a brake disc.Detection element includes a resistive element and a processing element.Resistive element prolongs
Extend to wearing course and be set to brake block, and is exposed from wearing course, use in brake with brake block be contacted with brake disc and with
Brake block synchronization is worn away by brake disc, is used and is generated a resistive element abrasion loss along direction of closing.Processing element is electrically connected in
Resistive element calculates resistive element abrasion loss, and utilize resistance to detect a resistance change amount of resistive element accordingly
Element abrasion loss defines a brake block abrasion loss.
Under the basis of above-mentioned necessary technology means, derived from the above-mentioned detection element to detect brake block abrasion loss
For processing element, it is communicatively coupled to a display module and a far end device to one attached technological means, uses aobvious by display module
Show brake block abrasion loss, and brake block abrasion loss can be transmitted to far end device by processing element.
Under the basis of above-mentioned necessary technology means, derived from the above-mentioned detection element to detect brake block abrasion loss
For resistive element, it is embedded at brake block to one attached technological means.
Under the basis of above-mentioned necessary technology means, derived from the above-mentioned detection element to detect brake block abrasion loss
One attached technological means is the second wire connecting portion that resistive element includes one first wire connecting portion opposite first wire connecting portion with one.Wherein,
First wire connecting portion and the second wire connecting portion its be located at one perpendicular to direction of closing vertical-path, and be used for being electrically connected to processing elements
Part.
Under the basis of above-mentioned necessary technology means, derived from the above-mentioned detection element to detect brake block abrasion loss
One attached technological means is that detection element further includes a temperature sensor.Temperature sensor is linked to resistive element, to
Measure a resistance temperature parameter of resistive element.Processing element goes out electricity by resistance change amount and resistance temperature coaptation
Resistance element abrasion loss.
Under the basis of above-mentioned necessary technology means, derived from the above-mentioned detection element to detect brake block abrasion loss
One attached technological means is resistive element extends at wearing course along direction of closing and is set to brake block.Further, very
It from one extends to wearing course along direction of closing to be linked to the setting face of a brake caliper to vehicle block, resistive element from adjacent to
Setting face place extends to wearing course along direction of closing.
From the above, in the detection element provided by the present invention to detect brake block abrasion loss, due to brake block
It synchronous with resistive element can be worn away, therefore resistive element abrasion loss can be considered as to brake block abrasion loss.Due to resistive element
Sectional area variation it is directly proportional to resistive element abrasion loss, therefore resistive element abrasion loss can be considered as to the sectional area of resistive element
Variation.Since the sectional area variation of resistive element can be with resistance change amount (sectional area size and resistance value are inversely proportional) phase
It closes, therefore can change sectional area is for resistance change amount.Whereby, processing unit can be measured by measured resistance change
Know brake block abrasion loss.
Compared to known technology, the detection element provided by the present invention to detect brake block abrasion loss can return at any time
Brake block abrasion loss, and make driver that can learn brake block abrasion loss at any time.Therefore, it solves in known technology, driver
Brake block can only be worn away into position set by detecting conducting wire and the brake block abrasion loss that define to judge according to depot originally
The problem of whether replacing brake block, and can not deciding whether replacement brake block according to individual's judgement.
Detailed description of the invention
Fig. 1 is the schematic diagram for showing the abrasion detecting conducting wire of brake block provided by known technology and not wearing away in brake block；
Fig. 2 is the signal for showing the abrasion detecting conducting wire of brake block provided by known technology when brake block wears away excessive
Figure；
Fig. 3 is the signal shown provided by present pre-ferred embodiments to detect the detection element of brake block abrasion loss
Figure；
Fig. 4 is to brake provided by display present pre-ferred embodiments to detect the detection element of brake block abrasion loss
The status diagram that block is worn away；And
Fig. 5 is the square shown provided by present pre-ferred embodiments to detect the detection element of brake block abrasion loss
Schematic diagram.
Symbol description:
PA1 brake block abrasion detecting conducting wire
PA2 brake block
PA3 brake rotor
PA4 oil pressure component
PAE direction of closing
PAL1 brake block original depth
PAL2 brake block residual thickness
PAL3 brake block abrasion loss
1 detection element
11 resistive elements
111 first wire connecting portions
112 second wire connecting portions
12 temperature sensors
13 processing elements
2 brake blocks
21 setting faces
22 wearing courses
3 brake discs
4 brake calipers
41 oil pressure components
5 mobile phones
51 APP
6 automobile-used hosts
61 display modules
7 far end devices
D brake block wears away data
E direction of closing
L1 brake block original depth
L2 brake block current thickness
L3 brake block abrasion loss
P vertical-path
Specific embodiment
Also referring to Fig. 3 to Fig. 5, Fig. 3 is provided by display present pre-ferred embodiments to detect brake block mill
The schematic diagram of the detection element of consumption；Fig. 4 is provided by display present pre-ferred embodiments to detect brake block abrasion loss
The status diagram that is worn away in brake block of detection element；Fig. 5 is provided by display present pre-ferred embodiments to examine
Survey the block schematic diagram of the detection element of brake block abrasion loss.As shown, present pre-ferred embodiments provide it is a kind of to
Detect the detection element 1 of brake block abrasion loss.Detection element 1 is incorporated into two brake blocks 2 (only explaining herein with one of them).
Brake block 2 extends to one to the edge in brake along a direction of closing E to be linked to the setting face 21 of a brake caliper 4 from one
One direction of closing E is approached and is contacted with the wearing course 22 of a brake disc 3.
Detection element 1 includes a resistive element 11, a temperature sensor 12 and a processing element 13.Resistive element 11 is certainly
Wearing course 22 is extended to along direction of closing E at setting face 21 and is embedded at brake block 2, and exposed from wearing course 22.?
That is resistive element 11 is that part is coplanar in wearing course 22.Resistive element 11 includes that one first wire connecting portion 111 and one is opposite
Second wire connecting portion 112 of the first wire connecting portion 111.Wherein, the first wire connecting portion 111 and the second wire connecting portion 112 its be located at one perpendicular to
The vertical-path P of direction of closing E.Temperature sensor 12 is linked to resistive element 11 at setting face 21.Incidentally,
In other embodiments, resistive element 11 may be disposed at 2 outside of brake block and need not be embedded at brake block 2.
Processing element 13 is electrically connected in the first wire connecting portion 111, the second wire connecting portion 112 and temperature sensor 12, and communicates
It is connected to a mobile phone 5, an automobile-used host 6 and a far end device 7.Wherein, processing element 13 can be for microprocessor, at digital signal
Device or analog signal processor are managed, but not limited to this.
Incidentally, since the processing element of the present embodiment 13 incorporates the function of resistance measurement and operation, no longer
In addition resistance detecing element is connected.In other embodiments, in addition can electrically it connect between processing element 13 and resistive element 11
A resistance detecing element is connect, uses the resistance of detecting resistive element 11, but not limited to this.In addition, in the present embodiment, place
It is set to brake caliper 4 with reason element 13, but in other embodiments, the setting position of processing element 13 is not limited.
In addition, mobile phone 5 has an APP (application) 51 for corresponding to detection element 1.It is aobvious that automobile-used host 6 is equipped with one
Show mould group 61.Wherein, display module 61 can be projection display equipment, liquid crystal display (liquid-crystal display；
LCD), organic luminuous dipolar object display (Organic Electroluminescence Display；OELD), light-emitting diodes
Body display (LED display), seven-segment display or eight n segment display ns, but not limited to this.
Far end device 7 can be the host computer of Motor Maintenance factory or the PC of driver, and but not limited to this.By the way
One mentions, if driving artificial grade equation teacher racing car (Formula One one by one；F1 driver), the vehicle that driver is driven are
One First-order equation teacher's racing car, then far end device 7 can be the maintenance station on competition field.
Please refer to Fig. 3.As shown, brake block 2 is along direction of closing E when brake block 2 not yet rubs with brake disc 3
With a brake block original depth L1 (in order to clearly indicate brake block original depth L1, therefore by brake block original depth L1
It is shown in another brake block).At the same time, due to the first wire connecting portion 111 of 13 electrical connection resistive element 11 of processing element with
Second wire connecting portion 112, thus resistive element 11 is detected on vertical-path P with an initial resistivity value.
Please refer to Fig. 4.As shown, brake block 2 by one be located at brake caliper 4 oil pressure component 41 extruding and with very
Hull 3 generates friction after abrasion, and brake block 2 can have one to remain since brake block 2 is worn away by brake disc 3 along direction of closing E
Remaining brake block current thickness L2.Wherein, brake disc 3 can be contacted in brake with brake block 2 due to resistive element 11 and with
The synchronization of brake block 2 is worn away by brake disc 3, therefore resistive element 11 can also be braked in the length along direction of closing E by being equivalent to
The length reduction of block original depth L1 is to the length for being equivalent to brake block current thickness L2, and processing element 13 can detect resistance
Element 11 has a current resistive value for being greater than initial resistivity value.
Since resistive element 11 can be with resistive element 11 along the area of section of vertical-path P in the length along direction of closing E
It is directly proportional, therefore when resistive element 11 is in the length reduction along direction of closing E, resistive element 11 is in the section of vertical-path P
Area can also be reduced.Due to resistive element 11 along vertical-path P area of section and electric current in the first wire connecting portion 111 and
The resistance value of resistive element 11 is inversely proportional when two wire connecting portions 112 flow, therefore when resistive element 11 is along the section face of vertical-path P
Product is reduced, and resistive element 11 will increase along the resistance value of vertical-path P.
In addition, the resistance value of resistive element 11 can be increased and decreased because the resistance temperature of resistive element 11 changes.Wherein, if
Resistive element 11 is metal material, and the resistance value of resistive element 11 can be directly proportional to resistance temperature.If resistive element 11 is partly to lead
The resistance value of body material, resistive element 11 can be reduced with the increase of resistance temperature.Due to the resistive element of different materials
The variation relation of 11 resistance value and temperature all difference, therefore herein repeat not more.In order to consider temperature change to electricity
The influence of resistance value, temperature sensor 12 can measure a resistance temperature parameter of resistive element 11.Wherein, resistance temperature parameter
It can be resistance temperature value or resistance temperature variable quantity, but not limited to this.
Whereby, processing element 13 can be by the resistance change amount and resistance between initial resistivity value and current resistive value
Temperature parameter calculates a resistive element abrasion loss along direction of closing E.Due to resistive element 11 and brake block 2 be jointly with
Brake disc 3 rubs and generates abrasion, therefore processing element 13 can define a brake block abrasion loss L3 using resistive element abrasion loss.
Please refer to Fig. 5.As shown, representative brake can be generated when processing element 13 obtains brake block abrasion loss L3
The brake block of block abrasion loss L3 wears away data D, and brake block abrasion data D is transmitted to mobile phone 5, automobile-used host 6 or distal end and is filled
Set 7.Mobile phone 5 can show brake block abrasion loss L3 through APP51.Automobile-used host 6 can show brake through display module 61
Block abrasion loss L3.When far end device 7 is the host computer of maintenance factory, maintenance factory personnel can pass through monitoring brake block abrasion loss L3
Come estimate replacement brake block 2 date, and remind driver's subscription time replace brake block 2.Wherein, brake block abrasion loss L3 can
To be shown in a manner of using percentage.
In addition, when brake block abrasion loss L3 is more than a critical abrasion loss multicast function and automobile-used master can be pushed away by mobile phone 5
Machine 6 makes driver learn that brake block abrasion loss L3 more than a critical abrasion loss, is used and driver is reminded to replace brake block 2, with
Exempt to influence traffic safety.In addition, also can make to tie up by far end device 7 when brake block abrasion loss L3 is more than a critical abrasion loss
Repair factory personnel learn know brake block abrasion loss L3 more than a critical abrasion loss, and further remind driver replacement or inspection
Look into brake block 2.
In conclusion in the detection element provided by the present invention to detect brake block abrasion loss, due to brake block
With resistive element be jointly with brake disc friction so that brake block and resistive element generate abrasion jointly.Due to resistive element edge
The length of direction of closing can generate inverse ratio, and the resistance temperature parameter of resistive element along the resistance value of vertical-path with resistive element
It will affect the variation of resistance value, therefore processing element can calculate resistive element by resistance change amount and resistance temperature parameter
Abrasion loss.It, can be fixed by resistive element abrasion loss since brake block and resistive element can generate jointly abrasion with brake disc
Justice goes out brake block abrasion loss.Whereby, to use the display mode of percentage to remind driver, car owner or the current evil spirit of maintenance factory personnel
The brake block abrasion loss of vehicle block.
Compared to known technology, since the detection element provided by the present invention to detect brake block abrasion loss can be at any time
Detect the current brake block abrasion loss of brake block, therefore driver can learn the behaviour in service of current brake block at any time.Separately
Outside, maintenance factory can also cooperate the detection element provided by the present invention to detect brake block abrasion loss to provide more humane clothes
Business.Whereby, the detection element provided by the present invention to detect brake block abrasion loss can not determine to be according to individual's judgement
No the problem of needing replacing brake block.
By the above detailed description of preferred embodiments, it would be desirable to feature and spirit of the invention are more clearly described, and
Not scope of the invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, the purpose is to wish
Various changes can be covered and have being arranged in the scope of present invention scope of the claims to be applied of equality.
Claims (8)
1. a kind of detection element to detect brake block abrasion loss, which is characterized in that it is incorporated into a brake block, the brake block
Wearing course with one to approach and be contacted with a brake disc along a direction of closing in brake, which includes:
One resistive element extends to the wearing course and is set to the brake block, and exposed from the wearing course, uses in brake
With the brake block be contacted with the brake disc and it is synchronous with the brake block worn away by the brake disc, use along the direction of closing generate
One resistive element abrasion loss；And
One processing element, electrical property are connected in the resistive element, to detect a resistance change amount of the resistive element, count accordingly
The resistive element abrasion loss is calculated, and defines a brake block abrasion loss using the resistive element abrasion loss.
2. as described in claim 1 to detect the detection element of brake block abrasion loss, which is characterized in that further include a temperature
Sensing element, it is linked to the resistive element with the temperature sensor, and the resistance temperature to measure the resistive element is joined
Number, the processing element its by the resistance change amount and the resistance temperature coaptation go out the resistive element abrasion loss.
3. as described in claim 1 to detect the detection element of brake block abrasion loss, which is characterized in that wherein, the processing
It is communicatively coupled to a display module with element, uses and shows the brake block abrasion loss by the display module.
4. as described in claim 1 to detect the detection element of brake block abrasion loss, which is characterized in that wherein, the processing
It communicates to connect a far end device with element, uses the brake block abrasion loss being transmitted to the far end device.
5. as described in claim 1 to detect the detection element of brake block abrasion loss, which is characterized in that wherein, the resistance
Element its extend to the wearing course along the direction of closing and be set to the brake block.
6. as claimed in claim 5 to detect the detection element of brake block abrasion loss, which is characterized in that wherein, the brake
It from one extends to the wearing course along the direction of closing to be linked to the setting face of a brake caliper to block, the resistive element its from
It is extended at the wearing course adjacent to the setting face place along the direction of closing.
7. as described in claim 1 to detect the detection element of brake block abrasion loss, which is characterized in that wherein, the resistance
Element its be embedded at the brake block.
8. as described in claim 1 to detect the detection element of brake block abrasion loss, which is characterized in that wherein, the resistance
It includes the second wire connecting portions of one first wire connecting portion opposite first wire connecting portion with one for element, wherein first wire connecting portion with should
Second wire connecting portion its be located at one perpendicular to the direction of closing vertical-path, and be electrically connected at the processing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484355.6A CN109115098A (en) | 2017-06-23 | 2017-06-23 | To detect the detection element of brake block abrasion loss |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710484355.6A CN109115098A (en) | 2017-06-23 | 2017-06-23 | To detect the detection element of brake block abrasion loss |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109115098A true CN109115098A (en) | 2019-01-01 |
Family
ID=64733021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710484355.6A Pending CN109115098A (en) | 2017-06-23 | 2017-06-23 | To detect the detection element of brake block abrasion loss |
Country Status (1)
| Country | Link |
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| CN (1) | CN109115098A (en) |
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| CN103878643A (en) * | 2014-03-10 | 2014-06-25 | 成都飞机工业（集团）有限责任公司 | Automatic warning device for numerical control cutting tool wear |
| CN104220869A (en) * | 2012-04-02 | 2014-12-17 | 奥的斯电梯公司 | Calibration of wear detection system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2162550B2 (en) * | 1971-12-16 | 1977-12-22 | Alfred Teves Gmbh, 6000 Frankfurt | Brake lining wear indicator - has insulation of conductor punctured to shunt resistor and light up warning lamp |
| CN201069353Y (en) * | 2007-08-10 | 2008-06-04 | 北京工业大学 | A braking friction sheet thickness sensor for resistance car |
| CN103210232A (en) * | 2010-09-16 | 2013-07-17 | 克诺尔商用车制动系统有限公司 | Wear distance sensor for a brake pad of a friction brake |
| CN202017723U (en) * | 2011-04-06 | 2011-10-26 | 吉林大学 | Automobile brake shoe abrasion quantity detection device |
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| CN103698237A (en) * | 2013-12-30 | 2014-04-02 | 天津大学 | Resistor column core type shield cutter abrasion sensor and abrasion loss monitoring device |
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