CN110146302A - Friction disc wear detection method, device, electronic equipment and computer storage medium - Google Patents
Friction disc wear detection method, device, electronic equipment and computer storage medium Download PDFInfo
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- CN110146302A CN110146302A CN201910356361.2A CN201910356361A CN110146302A CN 110146302 A CN110146302 A CN 110146302A CN 201910356361 A CN201910356361 A CN 201910356361A CN 110146302 A CN110146302 A CN 110146302A
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- 238000001514 detection method Methods 0.000 title claims abstract description 21
- 238000003860 storage Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 25
- 230000015654 memory Effects 0.000 claims description 16
- 238000004590 computer program Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 6
- 230000001052 transient effect Effects 0.000 description 10
- 230000008859 change Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
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- 238000004891 communication Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
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- 238000004364 calculation method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Braking Arrangements (AREA)
Abstract
A kind of friction disc wear detection method, device, electronic equipment and computer storage medium, this method comprises: obtaining the motor rotational travel of electronics clamp；Judge whether the difference between the motor rotational travel and preset target stroke is greater than or equal to the threshold value of setting；If the difference between the motor rotational travel and preset target stroke is greater than or equal to the threshold value of setting, it is determined as that friction plate needs replacing.The present invention allows the operator to precisely on the basis of not increasing hardware device and is readily available friction disc wear state.
Description
Technical field
The invention belongs to field of vehicle control more particularly to a kind of friction disc wear detection method, device, equipment and calculating
Machine storage medium.
Background technique
Currently, as vehicle is seldom using service condition understanding of more and more, now many drivers to vehicle, even
The habit for not checking vehicle lacks awareness of safety to the maintenance of critical component, and friction plate is a crucial component on automobile,
Key effect is played in parking, but friction plate can be with the use process slow consumption of automobile, the case where not tearing wheel open
Under, layman is difficult accurately to judge the state of friction plate, causes friction disc wear excessively to cause to traffic safety hidden
Suffer from.
Summary of the invention
(1) goal of the invention
The object of the present invention is to provide one kind can make driver precisely judge friction plate state wear detecting method,
Device, equipment and computer storage medium.
(2) technical solution
To solve the above problems, the first aspect of the present invention provides a kind of friction disc wear detection method, comprising: obtain
The motor rotational travel of electronics clamp；Judge whether the difference between the motor rotational travel and preset target stroke is greater than
Or the threshold value equal to setting；If the difference between the motor rotational travel and preset target stroke is greater than or equal to setting
Threshold value, be determined as that friction plate needs replacing.
Further, the motor rotational travel for obtaining electronics clamp, comprising: obtain the circle number of motor rotation；According to
The circle number of the motor rotation calculates the motor rotational travel.
Further, the motor rotational travel is calculated according to following equation: S=i*l*n；In formula, l is electricity
The distance that worm screw promotes when worm screw 1 circle of rotation of machine, i are the worm gear of motor and the transmission ratio of worm screw, and n is the worm gear rotation of motor
Circle number.
Further, the method also includes: the electronic parking system EPB function open when, record the secondary worm gear
Turnning circle.
Further, the turnning circle of the worm gear is obtained by the Hall sensor measurement of the motor.
According to the second aspect of the invention, a kind of friction disc wear detection device is provided, comprising: module is obtained, for obtaining
Take the motor rotational travel of electronics clamp；Judgment module, for judge the motor rotational travel and preset target stroke it
Between difference whether be greater than or equal to the threshold value of setting；If the difference between the motor rotational travel and preset target stroke
Value is greater than or equal to the threshold value of setting, is determined as that friction plate needs replacing.
Further, the acquisition module, specifically for obtaining the circle number of motor rotation；Described device further include: calculate
Module, the circle number for being rotated according to the motor calculate the motor rotational travel.
Further, the computing module is specifically to calculate motor rotational travel: S=i*l*n according to following equation；Formula
In, the distance that worm screw promotes when l is worm screw 1 circle of rotation of motor, i is the worm gear of motor and the transmission ratio of worm screw, and n is motor
The circle number of worm gear rotation.
According to a third aspect of the embodiments of the present invention, a kind of non-transient computer readable storage medium, non-transient meter are provided
Calculation machine readable storage medium storing program for executing stores computer instruction, and computer instruction is for making computer execute any of the above-described kind of method.
According to a fourth aspect of the embodiments of the present invention, a kind of computer program product is provided, computer program product includes
The computer program being stored in non-transient computer readable storage medium, computer program include program instruction, when program refers to
When order is computer-executed, computer is made to execute any of the above-described kind of method.
(3) beneficial effect
Above-mentioned technical proposal of the invention has following beneficial technical effect: the motor by obtaining electronics clamp rotates
Stroke；Judge whether the difference between the motor rotational travel and preset target stroke is greater than or equal to the threshold value of setting；
If the difference of the motor rotational travel and target stroke is greater than or equal to the threshold value of setting, it is determined as that friction plate needs replacing
Means, realize on the basis of not increasing hardware device, allow the operator to precisely and be readily available friction disc wear
State.
Detailed description of the invention
Fig. 1 is a kind of flow chart of friction disc wear detection method of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of friction disc wear detection method of the embodiment of the present invention；
Fig. 3 is a kind of structure chart of friction disc wear detection device of the embodiment of the present invention；
Fig. 4 is the structure chart of a kind of electronic equipment of the embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
Before introducing the method and apparatus of the embodiment of the present invention, it please allow first to introduce EPB, EPB is electronic parking
System, working method are to push friction plate close to brake disc by the rotation of motor, and motor includes worm gear and worm screw, friction plate
The one end of worm screw close to brake disc is set, and the connection type of worm gear and worm screw can be found in the structure of the prior art, and principle is
Worm gear rotation, to push worm screw close to brake disc, makes friction plate and brake disc, eventually forms frictional force, reach parking
Effect.
Fig. 1 is a kind of flow chart of friction disc wear detection method of the embodiment of the present invention.
As shown in Figure 1, a kind of friction disc wear detection method, comprises the following specific steps that:
Step S1 obtains the motor rotational travel of electronics clamp；
Specifically, motor rotational travel refers to the displacement for pushing friction plate toward brake disc.Motor rotational travel is in electronics
When parking system EPB is tensed every time, the stroke of a motor pushing friction plate can be all recorded, and then can determine motor rotation row
Journey.
Step S2 judges whether the difference between the motor rotational travel and preset target stroke is greater than or equal to and sets
Fixed threshold value；
Specifically, preset target stroke is the stroke value of EPB first record or has been maintained after vehicle every time again
The value recorded after setting, when the determination of preset target stroke can be by friction disc wear to the thickness needed replacing,
The motor rotational travel of measurement at this time, as preset target stroke.The threshold value can be according to braking moment or deceleration
Reduction is demarcated.
Step S3a, if the difference between the motor rotational travel and preset target stroke is greater than or equal to setting
Threshold value, be determined as that friction plate needs replacing.
Step S3b, if the difference between the motor rotational travel and preset target stroke is less than the threshold value of setting,
It is determined as that friction plate does not need to replace.
In another embodiment, it after can also being needed replacing determining friction plate, sends friction plate and needs
The warning message of replacement is to driver, to remind driver's more renewal of facing renewal.
The embodiment of the present invention is not change hardware device on the basis of existing hardware setting, is turned by obtaining motor
Dynamic stroke is alarmed when the difference between motor rotational travel and preset target stroke is greater than or equal to the threshold value of setting
Driver's more renewal of facing renewal is reminded optionally to can be and prompt by instrument board driver or producer.
Fig. 2 is a kind of flow chart of friction disc wear detection method of another embodiment of the present invention.
As shown in Fig. 2, obtaining the motor rotational travel of electronics clamp, comprise the following specific steps that:
Step S11 obtains the circle number of motor rotation；
Specifically, the circle number of motor rotation refers to the circle number that worm gear rotates in motor.
Step S12 calculates the motor rotational travel according to the circle number of motor rotation.
It is according to following equation meter specifically, calculating the motor rotational travel according to the circle number of motor rotation
It obtains:
S=i*l*n；
In formula, the distance that worm screw promotes when l is worm screw 1 circle of rotation of motor, i is the worm gear of motor and the transmission of worm screw
Than n is the circle number of the worm gear rotation of motor.
It optionally, is to record the turnning circle of the secondary worm gear when the electronic parking system EPB function is opened.Specifically
, the turnning circle of worm gear is obtained by the Hall sensor measurement of the motor, and Hall sensor is existing device on motor.
The embodiment of the present invention can not change the hardware configuration of existing electronic parking system, by existing controller and
Actuator, to detect friction plate use state.
Fig. 3 is a kind of structure chart of friction disc wear detection device of the embodiment of the present invention.
As shown in figure 3, a kind of friction disc wear detection device, comprising:
Module 31 is obtained, for obtaining the motor rotational travel of electronics clamp；
Specifically, motor rotational travel refers to the displacement for pushing friction plate toward brake disc.Motor rotational travel is in electronics
When parking system EPB is tensed every time, the stroke of a motor pushing friction plate can be all recorded, and then can determine motor rotation row
Journey.
Judgment module 32, for judging whether the difference between the motor rotational travel and preset target stroke is greater than
Or the threshold value equal to setting；If the difference between the motor rotational travel and preset target stroke is greater than or equal to setting
Threshold value, be determined as that friction plate needs replacing.
Specifically, preset target stroke is the stroke value of EPB first record or has been maintained after vehicle every time again
The value recorded after setting, when the determination of preset target stroke can be by friction disc wear to the thickness needed replacing,
The motor rotational travel of measurement at this time, as preset target stroke.The threshold value can be according to braking moment or deceleration
Reduction is demarcated.
In another embodiment, it after can also being needed replacing determining friction plate, sends friction plate and needs
The warning message of replacement is to driver, to remind driver's more renewal of facing renewal.
The embodiment of the present invention is not change hardware device on the basis of existing hardware setting, is turned by obtaining motor
Dynamic stroke is alarmed when the difference between motor rotational travel and preset target stroke is greater than or equal to the threshold value of setting
Driver's more renewal of facing renewal is reminded optionally to can be and prompt by instrument board driver or producer.
Wherein, the acquisition module 31, specifically for obtaining the circle number of motor rotation；Specifically, the circle number of motor rotation
Refer to the circle number that worm gear rotates in motor.The detection device further includes computing module 33, the circle for being rotated according to the motor
Number calculates the motor rotational travel.
Specifically, computing module 33 is specifically to calculate motor rotational travel according to following equation:
S=i*l*n；
In formula, the distance that worm screw promotes when l is worm screw 1 circle of rotation of motor, i is the worm gear of motor and the transmission of worm screw
Than n is the circle number of the worm gear rotation of motor.
It optionally, is to record the turnning circle of the secondary worm gear when the electronic parking system EPB function is opened.Specifically
, the turnning circle of worm gear is obtained by the Hall sensor measurement of the motor, and Hall sensor is existing device on motor.
The embodiment of the present invention can not change the hardware configuration of existing electronic parking system, by existing controller and
Actuator, to detect friction plate use state.
The embodiment of the invention also provides a kind of non-transient computer readable storage medium, non-transient computer readable storages
Medium storing computer instruction, the method that computer instruction is used to that computer to be made to execute any of the above-described a embodiment.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
As shown in figure 4, a kind of electronic equipment for executing preceding method, including one or more processors 401 and with one
The memory 402 of a or multiple processor communications connection takes a processor as an example in Fig. 4.
Processor 401, memory 402 can be connected by bus or other modes, to be connected as by bus in Fig. 4
Example.
Memory 402 is used as a kind of non-transient computer readable storage medium.It can be used for storing non-transient software program, non-
Transient computer executable program, as the corresponding software program of one of embodiment of the present invention friction disc wear detection method,
Instruction and module.Non-transient software program, instruction and the module that processor 401 is stored in memory 402 by operation,
The various function application and data processing for executing a kind of friction plate mill apparatus damage detection, that is, realize the side of above method embodiment
Method step.
Memory 402 may include storing program area and storage data area, wherein storing program area can store operation system
Application program required for system, at least one function；Storage data area can be stored according to a kind of friction disc wear detection method
Use created data etc..In addition, memory 402 may include high-speed random access memory, it can also include non-transient
Memory, for example, at least a disk memory, flush memory device or other non-transient solid-state memories.In some implementations
In example, optional memory 402 includes the memory remotely located relative to processor 401, these remote memories can pass through
It is connected to the network to a kind of friction disc wear detection device.The example of above-mentioned network include but is not limited to internet, intranet,
Local area network, mobile radio communication and combinations thereof.
One or more software programs, instruction are stored in memory 402, are executed when by one or more processors 401
When, execute the method in above-mentioned any means embodiment.
In embodiments of the present invention, one or more processors can: the method for executing aforementioned any embodiment.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (10)
1. a kind of friction disc wear detection method characterized by comprising
Obtain the motor rotational travel of electronics clamp；
Judge whether the difference between the motor rotational travel and preset target stroke is greater than or equal to the threshold value of setting；
If the difference between the motor rotational travel and preset target stroke is greater than or equal to the threshold value of setting, it is determined as
Friction plate needs replacing.
2. the method according to claim 1, wherein the motor rotational travel for obtaining electronics clamp, comprising:
Obtain the circle number of motor rotation；
The motor rotational travel is calculated according to the circle number of motor rotation.
3. according to the method described in claim 2, it is characterized in that, the motor rotational travel is calculated according to following equation
It obtains:
S=i*l*n；
In formula, the distance that worm screw promotes when l is worm screw 1 circle of rotation of motor, i is the worm gear of motor and the transmission ratio of worm screw, and n is
The circle number of the worm gear rotation of motor.
4. the method according to claim 1, wherein further include:
When the electronic parking system EPB function is opened, the turnning circle of the secondary worm gear is recorded.
5. the method according to claim 1, wherein the turnning circle of the worm gear is passed by the Hall of the motor
Sensor measurement obtains.
6. a kind of friction disc wear detection device characterized by comprising
Module is obtained, for obtaining the motor rotational travel of electronics clamp；
Judgment module, for judging whether the difference between the motor rotational travel and preset target stroke is greater than or equal to
The threshold value of setting；If the difference between the motor rotational travel and preset target stroke is greater than or equal to the threshold of setting
Value, is determined as that friction plate needs replacing.
7. device according to claim 6, which is characterized in that
The acquisition module, specifically for obtaining the circle number of motor rotation；
Described device further include:
Computing module, the circle number for being rotated according to the motor calculate the motor rotational travel.
8. device according to claim 7, which is characterized in that the computing module is specifically to be calculated according to following equation
Motor rotational travel:
S=i*l*n；
In formula, the distance that worm screw promotes when l is worm screw 1 circle of rotation of motor, i is the worm gear of motor and the transmission ratio of worm screw, and n is
The circle number of the worm gear rotation of motor.
9. a kind of computer storage medium, which is characterized in that be stored with computer program, described program quilt on the storage medium
The step of any one of claim 1-5 the method is realized when processor executes.
10. a kind of electronic equipment, which is characterized in that including memory, processor and be stored on the memory and can be in institute
The computer program run on processor is stated, the processor realizes any one of claim 1-5 when executing described program
The step of the method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910356361.2A CN110146302A (en) | 2019-04-29 | 2019-04-29 | Friction disc wear detection method, device, electronic equipment and computer storage medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910356361.2A CN110146302A (en) | 2019-04-29 | 2019-04-29 | Friction disc wear detection method, device, electronic equipment and computer storage medium |
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| CN110146302A true CN110146302A (en) | 2019-08-20 |
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| CN201910356361.2A Pending CN110146302A (en) | 2019-04-29 | 2019-04-29 | Friction disc wear detection method, device, electronic equipment and computer storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635931A (en) * | 2022-03-31 | 2022-06-17 | 菲格智能科技有限公司 | Control method of brake-by-wire system, readable storage medium, controller and vehicle |
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| CN109268410A (en) * | 2017-07-17 | 2019-01-25 | 罗伯特·博世有限公司 | Brake(-holder) block wear detector and detection method for disc brake apparatus |
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2019
- 2019-04-29 CN CN201910356361.2A patent/CN110146302A/en active Pending
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