CN112874499A - Brake monitoring system - Google Patents
Brake monitoring system Download PDFInfo
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- CN112874499A CN112874499A CN202110052125.9A CN202110052125A CN112874499A CN 112874499 A CN112874499 A CN 112874499A CN 202110052125 A CN202110052125 A CN 202110052125A CN 112874499 A CN112874499 A CN 112874499A
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- Prior art keywords
- motor
- brake
- rotating speed
- control unit
- monitor
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/74—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with electrical assistance or drive
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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
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
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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
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Braking Arrangements (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Abstract
The invention discloses a brake monitoring system, which comprises a data processing center unit, a control unit, a motor, a rim, a speed monitor, a temperature monitor, a dragging force sensor and a brake, wherein the speed monitor is used for monitoring the rotating speed of the motor per minute, the temperature monitor is used for monitoring the temperature information of the rim, the brake is used for braking the rim, the dragging force sensor is used for monitoring the dragging force value of the brake to the rim, the data processing center unit comprises a wireless data module, the wireless data module is used for wirelessly receiving a motor control instruction and transmitting the motor control instruction to the control unit, and the control unit is used for controlling the on-off of the motor according to the motor control instruction; the invention solves the problem that the traditional method can only carry out simulation brake monitoring on the whole automobile, is more convenient and saves trouble, and can carry out maximum torque value monitoring on automobiles at different levels of rotating speeds by dividing the rotating speed threshold into three levels.
Description
Technical Field
The invention belongs to the field of brakes, and particularly relates to a brake monitoring system.
Background
The brake has a plurality of new structural types due to the development of modern industrial machinery, wherein the caliper disc brake, the magnetic powder brake and the electromagnetic brake are most widely applied, and the brake is specifically classified as follows: 1. friction type brake, it can be divided into disc brake, outer holding block type brake, inner swelling shoe type brake, band brake, comprehensive band brake, double-shoe type brake, multiple-shoe type brake, simple band brake, single-disc type brake, multiple-disc type brake, fixed caliper type brake, floating type brake, etc., 2, non-friction type brake, it can be divided into magnetic powder brake, magnetic eddy current brake, water eddy current brake, etc., the brake is a device with the function of making the moving part (or moving machinery) slow down, stop or keep the stop state, etc., it is a mechanical part for stopping or slowing down the moving part in machinery, commonly called brake, the brake is mainly made up of braking frame, braking part and operating device, some brakes also have automatic adjusting device of braking part clearance, in order to reduce braking moment and structural size, the brake is usually installed on the high-speed shaft of the apparatus, however, large equipment (such as mine hoist, elevator, etc.) with high safety requirements should be installed on the low-speed shaft close to the working part of the equipment.
However, currently, the monitoring of the maximum dragging torque of the brake is troublesome, a complete vehicle needs to be subjected to driving simulation monitoring, the monitoring mode is more traditional, the efficiency is not high enough, trouble is saved, a series of parts cannot be automatically closed when the temperature of the rim is too high, and further improvement and reinforcement are needed; in order to solve the above-mentioned drawbacks, a solution is now provided.
Disclosure of Invention
It is an object of the present invention to provide a brake monitoring system.
All the technical problems solved by the invention are as follows:
(1): the driving simulation monitoring is required to be carried out on the complete vehicle, and the monitoring mode is more traditional and is not efficient enough;
(2): the automatic closing process of a series of parts cannot be performed when the rim temperature is too high.
The purpose of the invention can be realized by the following technical scheme:
a brake monitoring system comprises a data processing center unit, a control unit, a motor, a rim, a speed monitor, a temperature monitor, a dragging force sensor and a brake, wherein the speed monitor is used for monitoring the rotating speed of the motor per minute, the temperature monitor is used for monitoring the temperature information of the rim, the brake is used for braking the rim, the dragging force sensor is used for monitoring the dragging force value of the brake to the rim, the data processing center unit comprises a wireless data module, the wireless data module is used for wirelessly receiving a motor control command and transmitting the motor control command to the control unit, the control unit is used for controlling the motor to be switched on and off according to the motor control command, and the specific motor control steps are as follows:
when the received motor control instruction is 'starting the motor', the control unit controls the motor to start to operate;
when the received motor control instruction is 'motor off', the control unit controls the motor to be off;
the data processing center unit is also used for acquiring data fed back by the speed monitor, the temperature monitor and the dragging torque sensor and performing control processing according to the data, and the specific control processing steps are as follows:
the method comprises the following steps: setting a rotating SPEED threshold, wherein the rotating SPEED threshold is specifically divided into a first-level rotating SPEED threshold, a second-level rotating SPEED threshold and a third-level rotating SPEED threshold, the first-level rotating SPEED threshold is marked as SPEED1, the second-level rotating SPEED threshold is marked as SPEED2, the third-level rotating SPEED threshold is marked as SPEED3, monitoring to obtain the real-time rotating SPEED of the motor, the real-time rotating SPEED is marked as ts, and judging according to the rotating SPEED threshold;
when ts is less than SPEED1, the state is judged to be an acceleration state and no processing is performed;
when ts is larger than or equal to SPEED1, generating a brake starting signal, sending the signal to a control unit, controlling the brake to be started by the control unit, braking the rim by the brake, and referring to a primary rotating SPEED threshold value according to the process of judging the secondary rotating SPEED threshold value or the tertiary rotating SPEED threshold value;
step two: acquiring dragging torque in real time, covering a small torque value with a large torque value in real time, only displaying a torque peak value all the time, presetting a temperature threshold value, marking the temperature threshold value as WG, marking a real-time temperature value as WT, and judging according to the temperature threshold value;
when WT < WG, it is judged as safe state, and no processing is performed;
when WT is larger than or equal to WG, the abnormal state is judged, a high-temperature warning signal is generated and sent to the control unit, and the control unit shuts down the operation of the brake and the motor in a unified mode.
Further, the revolution numbers of the primary revolution speed threshold value, the secondary revolution speed threshold value and the tertiary revolution speed threshold value are 4000, 5000 and 6000 respectively.
Further, the specific value of the temperature threshold is 100 degrees celsius.
Furthermore, the control unit is respectively in wireless connection with the dragging torque sensor, the speed monitor and the speed monitor through the wireless module, when the control module receives a motor starting instruction, the dragging torque sensor, the speed monitor and the speed monitor can be started together, and when the control module receives a motor stopping instruction, the dragging torque sensor, the speed monitor and the speed monitor can be closed together.
The invention has the following beneficial effects;
(1): when a received motor control instruction is 'start motor', a control unit controls the motor, a dragging torque sensor, a speed monitor and the speed monitor to start together, the motor drives a rim to rotate at a high speed, real-time rotating speed is obtained through the speed monitor, judgment is carried out according to a preset rotating speed threshold value, when the real-time rotating speed is less than a first-level rotating speed threshold value, a speed increasing state is judged without any treatment, when the real-time rotating speed is more than or equal to the first-level rotating speed threshold value, a 'brake starting signal' is generated and sent to the control unit, the control unit controls the brake to start, the brake brakes the rim, the dragging torque is obtained in real time according to the judging process of a second-level rotating speed threshold value or a third-level rotating speed threshold value by referring to the judging step of the first-level rotating speed threshold value, a large-value torque value, the method has the advantages that only the rotating mechanism of the automobile is reserved in a mode that the motor drives the rim to rotate, the rotating speed of the rotating mechanism is monitored in a targeted mode, the problem that the whole automobile can only be monitored in a simulated braking mode in the traditional mode is solved, convenience and trouble saving are achieved, the rotating speed threshold value is divided into three levels, and the maximum torque value of the automobile at different levels of rotating speed can be monitored;
(2): the invention presets a temperature threshold value, judges according to the temperature threshold value, judges as a safe state when the real-time temperature value is less than the temperature threshold value, generates a high-temperature warning signal when the real-time temperature value is more than or equal to the temperature threshold value, and sends the signal to the control unit, and the control unit uniformly closes the operation of the brake and the motor, and can automatically close the operation of related parts when the temperature of the rim is overhigh, thereby being safer and more reliable.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a block diagram of the system of the present invention.
Detailed Description
As shown in fig. 1, a brake monitoring system, including data processing center unit, the control unit, including a motor, an end cap, a controller, a rim, a speed monitor, a temperature monitor, dragging force sensor, a brake, speed monitor is used for monitoring motor rpm's rotational speed, temperature monitor is used for monitoring the temperature information of rim, the brake is used for braking the rim, dragging force sensor is used for monitoring the dragging force value of brake to the rim, data processing center unit is including wireless data module, wireless data module is used for wireless receiving motor control command, and transmit motor control command for the control unit, the control unit is used for the switch according to motor control command control motor, specific motor control step is:
when the received motor control instruction is 'starting the motor', the control unit controls the motor to start to operate;
when the received motor control instruction is 'motor off', the control unit controls the motor to be off;
the data processing center unit is also used for acquiring data fed back by the speed monitor, the temperature monitor and the dragging torque sensor and performing control processing according to the data, and the specific control processing steps are as follows:
the method comprises the following steps: setting a rotating SPEED threshold, wherein the rotating SPEED threshold is specifically divided into a first-level rotating SPEED threshold, a second-level rotating SPEED threshold and a third-level rotating SPEED threshold, the first-level rotating SPEED threshold is marked as SPEED1, the second-level rotating SPEED threshold is marked as SPEED2, the third-level rotating SPEED threshold is marked as SPEED3, monitoring to obtain the real-time rotating SPEED of the motor, the real-time rotating SPEED is marked as ts, and judging according to the rotating SPEED threshold;
when ts is less than SPEED1, the state is judged to be an acceleration state and no processing is performed;
when ts is larger than or equal to SPEED1, generating a brake starting signal, sending the signal to a control unit, controlling the brake to be started by the control unit, braking the rim by the brake, and referring to a primary rotating SPEED threshold value according to the process of judging the secondary rotating SPEED threshold value or the tertiary rotating SPEED threshold value;
step two: acquiring dragging torque in real time, covering a small torque value with a large torque value in real time, only displaying a torque peak value all the time, presetting a temperature threshold value, marking the temperature threshold value as WG, marking a real-time temperature value as WT, and judging according to the temperature threshold value;
when WT < WG, it is judged as safe state, and no processing is performed;
when WT is larger than or equal to WG, judging to be in an abnormal state, generating a high-temperature warning signal, sending the signal to a control unit, and closing the operation of a brake and a motor by the control unit;
the revolution numbers of the primary rotating speed threshold value, the secondary rotating speed threshold value and the tertiary rotating speed threshold value are 4000, 5000 and 6000 respectively; the specific value of the temperature threshold is 100 ℃; the control unit is respectively in wireless connection with the dragging torque sensor, the speed monitor and the speed monitor through the wireless module, when the control module receives a motor starting instruction, the dragging torque sensor, the speed monitor and the speed monitor can be started together, and when the control module receives a motor closing instruction, the dragging torque sensor, the speed monitor and the speed monitor can be closed together.
A brake monitoring system, while working, when the received motor control order is "turn on the motor", the control unit controls the motor, drags the torque sensor, the speed monitor to turn on together, the motor drives the wheel rim to rotate at high speed, and obtain the real-time rotational speed through the speed monitor, judge according to the preset rotational speed threshold, when the real-time rotational speed is less than the first rotational speed threshold, judge as the speed-up state, do not process any, when the real-time rotational speed is greater than or equal to the first rotational speed threshold, produce the "brake start signal", and send the signal to the control unit, control the brake to turn on by the control unit, the brake brakes the wheel rim, according to the second rotational speed threshold or the process of the third rotational speed threshold to refer to the judging step of the first rotational speed threshold, obtain in real time drags the torque, the torque value of the, only the moment peak value is displayed all the time, a temperature threshold value is preset, the judgment is carried out according to the temperature threshold value, when the real-time temperature value is smaller than the temperature threshold value, the safety state is judged, when the real-time temperature value is larger than or equal to the temperature threshold value, a high-temperature warning signal is generated and sent to the control unit, and the brake and the motor are turned off uniformly by the control unit.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (4)
1. The brake monitoring system is characterized by comprising a data processing center unit, a control unit, a motor, a rim, a speed monitor, a temperature monitor, a dragging force sensor and a brake, wherein the speed monitor is used for monitoring the rotating speed of the motor per minute, the temperature monitor is used for monitoring the temperature information of the rim, the brake is used for braking the rim, the dragging force sensor is used for monitoring the dragging force value of the brake to the rim, the data processing center unit comprises a wireless data module, the wireless data module is used for wirelessly receiving a motor control command and transmitting the motor control command to the control unit, the control unit is used for controlling the motor to be switched on and switched off according to the motor control command, and the specific motor control steps are as follows:
when the received motor control instruction is 'starting the motor', the control unit controls the motor to start to operate;
when the received motor control instruction is 'motor off', the control unit controls the motor to be off;
the data processing center unit is also used for acquiring data fed back by the speed monitor, the temperature monitor and the dragging torque sensor and performing control processing according to the data, and the specific control processing steps are as follows:
the method comprises the following steps: setting a rotating SPEED threshold, wherein the rotating SPEED threshold is specifically divided into a first-level rotating SPEED threshold, a second-level rotating SPEED threshold and a third-level rotating SPEED threshold, the first-level rotating SPEED threshold is marked as SPEED1, the second-level rotating SPEED threshold is marked as SPEED2, the third-level rotating SPEED threshold is marked as SPEED3, monitoring to obtain the real-time rotating SPEED of the motor, the real-time rotating SPEED is marked as ts, and judging according to the rotating SPEED threshold;
when ts is less than SPEED1, the state is judged to be an acceleration state and no processing is performed;
when ts is larger than or equal to SPEED1, generating a brake starting signal, sending the signal to a control unit, controlling the brake to be started by the control unit, braking the rim by the brake, and referring to a primary rotating SPEED threshold value according to the process of judging the secondary rotating SPEED threshold value or the tertiary rotating SPEED threshold value;
step two: acquiring dragging torque in real time, covering a small torque value with a large torque value in real time, only displaying a torque peak value all the time, presetting a temperature threshold value, marking the temperature threshold value as WG, marking a real-time temperature value as WT, and judging according to the temperature threshold value;
when WT < WG, it is judged as safe state, and no processing is performed;
when WT is larger than or equal to WG, the abnormal state is judged, a high-temperature warning signal is generated and sent to the control unit, and the control unit shuts down the operation of the brake and the motor in a unified mode.
2. A brake monitoring system according to claim 1, wherein the primary, secondary and tertiary speed thresholds are 4000, 5000 and 6000 revolutions, respectively.
3. A brake monitoring system according to claim 1, wherein the specific value of the temperature threshold is 100 degrees celsius.
4. The brake monitoring system according to claim 1, wherein the control unit is wirelessly connected to the dragging torque sensor, the speed monitor and the speed monitor through a wireless module, and when the control module receives a command of turning on the motor, the control unit turns on the dragging torque sensor, the speed monitor and the speed monitor together, and when the control module receives a command of turning off the motor, the control unit turns off the dragging torque sensor, the speed monitor and the speed monitor together.
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CN202110052125.9A CN112874499A (en) | 2021-01-15 | 2021-01-15 | Brake monitoring system |
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CN202110052125.9A CN112874499A (en) | 2021-01-15 | 2021-01-15 | Brake monitoring system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113945370A (en) * | 2021-10-14 | 2022-01-18 | 安徽英杰精工机械有限公司 | Brake rotating speed monitoring and controlling method |
CN114441085A (en) * | 2022-01-28 | 2022-05-06 | 中国第一汽车股份有限公司 | Method for measuring dragging torque of brake caliper |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1221093A (en) * | 1997-12-22 | 1999-06-30 | 三星电子株式会社 | Microwave oven |
JP2002048686A (en) * | 2000-08-07 | 2002-02-15 | Meidensha Corp | Test system of brake for vehicle |
WO2004027433A1 (en) * | 2002-09-17 | 2004-04-01 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Inductive sensor for rotational speed determination with integrated temperature measurement |
CN201926559U (en) * | 2010-11-26 | 2011-08-10 | 合肥涌顺电子科技有限公司 | Automobile braking system testing equipment |
CN203881480U (en) * | 2014-05-16 | 2014-10-15 | 上海汽车制动系统有限公司 | Testing device for dragging moment of brake clamp on whole vehicle |
CN104614114A (en) * | 2015-02-13 | 2015-05-13 | 合肥万向钱潮汽车零部件有限公司 | Knuckle assembly brake caliper dragging torque detection device |
CN204423074U (en) * | 2014-12-28 | 2015-06-24 | 吉林东光集团有限公司 | A kind of monitoring temperature protective device |
CN106648393A (en) * | 2016-12-30 | 2017-05-10 | 中广热点云科技有限公司 | Tablet personal computer and method for controlling tablet personal computer screen to rotate |
CN109632337A (en) * | 2018-12-29 | 2019-04-16 | 北京新能源汽车股份有限公司 | Brake tester and its test method |
CN209745453U (en) * | 2019-05-09 | 2019-12-06 | 东风汽车集团有限公司 | dynamic testing device for brake dragging torque |
CN112010219A (en) * | 2020-09-16 | 2020-12-01 | 上海交通大学 | Elevator brake real-time state monitoring/early warning system |
-
2021
- 2021-01-15 CN CN202110052125.9A patent/CN112874499A/en active Pending
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1221093A (en) * | 1997-12-22 | 1999-06-30 | 三星电子株式会社 | Microwave oven |
JP2002048686A (en) * | 2000-08-07 | 2002-02-15 | Meidensha Corp | Test system of brake for vehicle |
WO2004027433A1 (en) * | 2002-09-17 | 2004-04-01 | Knorr-Bremse Systeme für Nutzfahrzeuge GmbH | Inductive sensor for rotational speed determination with integrated temperature measurement |
CN201926559U (en) * | 2010-11-26 | 2011-08-10 | 合肥涌顺电子科技有限公司 | Automobile braking system testing equipment |
CN203881480U (en) * | 2014-05-16 | 2014-10-15 | 上海汽车制动系统有限公司 | Testing device for dragging moment of brake clamp on whole vehicle |
CN204423074U (en) * | 2014-12-28 | 2015-06-24 | 吉林东光集团有限公司 | A kind of monitoring temperature protective device |
CN104614114A (en) * | 2015-02-13 | 2015-05-13 | 合肥万向钱潮汽车零部件有限公司 | Knuckle assembly brake caliper dragging torque detection device |
CN106648393A (en) * | 2016-12-30 | 2017-05-10 | 中广热点云科技有限公司 | Tablet personal computer and method for controlling tablet personal computer screen to rotate |
CN109632337A (en) * | 2018-12-29 | 2019-04-16 | 北京新能源汽车股份有限公司 | Brake tester and its test method |
CN209745453U (en) * | 2019-05-09 | 2019-12-06 | 东风汽车集团有限公司 | dynamic testing device for brake dragging torque |
CN112010219A (en) * | 2020-09-16 | 2020-12-01 | 上海交通大学 | Elevator brake real-time state monitoring/early warning system |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113945370A (en) * | 2021-10-14 | 2022-01-18 | 安徽英杰精工机械有限公司 | Brake rotating speed monitoring and controlling method |
CN114441085A (en) * | 2022-01-28 | 2022-05-06 | 中国第一汽车股份有限公司 | Method for measuring dragging torque of brake caliper |
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