CN109211332A - A kind of dry clutch friction plate real time temperature torque-measuring apparatus - Google Patents
A kind of dry clutch friction plate real time temperature torque-measuring apparatus Download PDFInfo
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- CN109211332A CN109211332A CN201811308751.4A CN201811308751A CN109211332A CN 109211332 A CN109211332 A CN 109211332A CN 201811308751 A CN201811308751 A CN 201811308751A CN 109211332 A CN109211332 A CN 109211332A
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- Prior art keywords
- torque
- friction plate
- temperature
- real time
- clutch friction
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
Abstract
The present invention relates to a kind of dry clutch friction plate real time temperature torque-measuring apparatus, belong to clutch state monitoring field, solve the problems, such as the temperature for being difficult to real vehicle real-time measurement clutch friction plate and transmitting torque.The present invention includes: wireless data acquisition system and power supply unit.Wireless data acquisition system includes: temperature sensor, torque sensor, processes temperature signal circuit, torque signal processing circuit and wireless signal transmitting chip.Power supply unit includes: supplying cell and collector ring.The present invention is based on Radio Transmission Technologys to be acquired and be sent in real time to the temperature on clutch friction plate surface and receiving torque, and is charged using the power supply that the conductive collector ring of high speed is entire temperature torque wireless data acquisition system.For real vehicle when driving, monitoring to clutch friction plate real time temperature and torque, not needing to dismantle gearbox and clutch repeatedly can be with for acquisition system charging, and can be used for a long time.
Description
Technical field
The invention belongs to clutch working state monitoring field more particularly to a kind of dry clutch friction plate real time temperatures
Torque-measuring apparatus.
Background technique
Clutch is the critical component of car transmissions, is separated by the combination of clutch, realizes automobile engine
System is to gearbox until the power between tire is transmitted and interrupted.Dry clutch configuration is simple and compact, easy to disassemble and dimension
It repairs, and bigger torque can be transmitted, therefore many inexpensive passenger cars and the large commercial for needing to transmit high torque
Still dry clutch is being widely used in vehicle.In dry clutch cohesive process, since clutch driven plate and engine fly
There is opposite sliding between wheel disc, a large amount of frictional heat can be generated simultaneously during transmitting power, make frictional engagement face
Temperature is sharply increased.Especially under urban congestion road conditions, vehicle is started to walk repeatedly so that separating for several times knot in the clutch short time
It closes, to exacerbate the temperature rise of clutch, even more than its operating critical temperature.Therefore, it is necessary to invent one kind to survey in real time
Amount clutch temp and the information collecting device for transmitting torque to grasp the temperature rise situation of clutch in time, optimize the knot of clutch
Close control.
Prior art has disclosed patent in, patent CN 105678041.A discloses a kind of model based on AMESim and imitative
The dry clutch temperature of true platform-friction comprehensive modeling method is input with the main secondary part revolving speed of clutch and pressing force,
By One-dimensional heat transfer and heat convection computation model, to calculate the temperature for obtaining clutch faying face, and with calculated temperature
Degree establishes clutch dynamic frictional properties model for input.Although program principle is simple, cost is relatively low, calculate error compared with
Greatly, it can not reflect the overheating because of emergency case or failure generation.Meanwhile clutch friction plate is after a period of operation,
A degree of abrasion can be generated, model accuracy can be greatly reduced at this time, the clutch temp after can not accurately reflecting abrasion
Situation of change.Meanwhile the accuracy of Simulation Calculation is also required to the verifying of test data, it is therefore desirable to have suitable temperature
Measurement method provides support for computation model.
Existing scheme two: infrared measurement of temperature experimental rig.In published patent, patent CN201210416067.4 is disclosed
A kind of experimental rig of dry clutch Friction Disk Surface transient temperature measuring, which uses installs additional at Flywheel disc
The method of infrared temperature sensor obtains the real time temperature of Friction Disk Surface using infrared measurement of temperature principle.
The shortcomings that measurement experimental rig is: 1. need to reequip Flywheel disc and the connecting shaft of its mounting disc,
In include Flywheel disc punching and rotary shaft empty, the intensity of component and the transmitting torque characteristics of clutch can be changed, and process
It is complicated；2. the infrared measurement of temperature principle that the program uses depends on the punch position on Flywheel disc to the temperature measuring point of friction plate, and
The temperature value on different radii in Friction Disk Surface can not be measured simultaneously.If desired the temperature field on different radii is measured
Distribution situation, it is also necessary to multiple positions of Flywheel disc are punched, it is serious to destroy structural strength and operating difficulties.3. due to
The device has carried out biggish repacking to the power intake of clutch, therefore this thermometric scheme may be only available for bench simulation
Test can not carry out temperature measurement during real vehicle is run.
Summary of the invention
In view of above-mentioned analysis, the embodiment of the present invention is intended to provide a kind of dry clutch friction plate real time temperature torque measuring
Device is measured, the data of the temperature of friction plate and transmitting torque when solving real vehicle gaging clutch working condition in the prior art
Information collection is difficult, and data acquisition not in time, inaccuracy, and cannot achieve when realizing long to real vehicle clutch working condition
Between the problem of monitoring.
The embodiment of the invention provides a kind of dry clutch friction plate real time temperature torque-measuring apparatus, comprising: wireless
Data collection system and power supply unit；
Wireless data acquisition system includes: temperature sensor, torque sensor, processes temperature signal circuit, torque signal
Processing circuit and wireless signal transmitting chip；
Power supply unit includes: supplying cell and collector ring.
Temperature sensor detects the temperature of clutch friction plate, and temperature sensor is measured signal by processes temperature signal circuit
It amplifies, and reaches wireless signal transmitting chip.
Torque sensor detect clutch transmitting torque, torque signal processing circuit by torque sensor measure signal into
Row amplification, and reach wireless signal transmitting chip；
Transmitting is then passed to host computer, completes letter to chip is received after wireless signal transmitting chip will measure signal processing
Number collection process.
Supplying cell is chargeable high temperature resistant battery, and supplying cell is wireless data acquisition system power supply；
The outer ring lead of collector ring connects regulated power supply, and the inner ring lead of the collector ring is supplying cell charging.
The inner hole sleeve of collector ring is in the internal spline hub extension end of friction plate；The inner ring of collector ring passes through bolt and nut and rubs
Pad is fixedly connected, in the clutch course of work with friction plate synchronous rotary.
The outer ring of collector ring is using abutment sleeve or positioning finger setting.
Abutment sleeve one end is stuck in the outer ring locating slot of collector ring；One shaft-cup set of the abutment sleeve other end and gearbox
Cylinder is fixedly connected by pin feature.The outer ring lead of collector ring by abutment sleeve be connected to gear box casing then draw with
Regulated power supply connection, continuously powers for wireless data acquisition system.
Positioning pin is welded on the inner ring side wall of clutch cover and plate assembly, the outer ring of collector ring under the drive of positioning pin with
Platen assembly and engine flywheel synchronous rotary；When vehicle stall, the outer ring lead of collector ring is connected to charging socket charging.
Above-mentioned technical proposal has the beneficial effect that:
1, clutch temp and torque characteristics are acquired by using wireless transmitting system.Available vehicle is in real road
The temperature change and transmitting torque condition of clutch friction plate under driving cycle.
2, it does not need to carry out former component complicated repacking, so that it may accurately obtain clutch and separate work when combining
State.
3, by the internal method for installing collector ring additional, friction plate rotation asynchronous with platen assembly is solved to be connected to
The problem of electric signal.Power supply unit can be continuously wireless data acquisition system power supply, guarantee the temperature to clutch friction plate
The uninterrupted real-time monitoring of variation and transmitting torque condition.
4, by real-time monitoring clutch temp and change in torque situation, the various failures event of clutch can effectively be prevented
Barrier, while providing real vehicle data for clutch characteristics Simulation Modeling and supporting.
It in the present invention, can also be combined with each other between above-mentioned each technical solution, to realize more preferred assembled schemes.This
Other feature and advantage of invention will illustrate in the following description, also, certain advantages can become from specification it is aobvious and
It is clear to, or understand through the implementation of the invention.The objectives and other advantages of the invention can by specification, claims with
And it is achieved and obtained in specifically noted content in attached drawing.
Detailed description of the invention
Attached drawing is only used for showing the purpose of specific embodiment, and is not to be construed as limiting the invention, in entire attached drawing
In, identical reference symbol indicates identical component.
Fig. 1 is that clutch friction plate wireless data acquisition system arranges schematic diagram (starting machine side)；
Fig. 2 is that clutch friction plate wireless data acquisition system arranges schematic diagram (gearbox face)；
Fig. 3 is that clutch friction plate data acquisition abutment sleeve positions overall structure diagram；
Fig. 4 is clutch cover and plate assembly locating pin structure schematic diagram；
Fig. 5 is clutch cover and plate assembly positioning pin schematic diagram；
Fig. 6 is that clutch friction plate data acquisition positions finger setting total system schematic diagram.
Appended drawing reference:
1- temperature sensor (K-type thermocouple)；2- processes temperature signal circuit；3- torque sensor (foil gauge)；4- is turned round
Square signal processing circuit；5- wireless signal transmitting chip；6- power supply；7- collector ring；8- collector ring positioning pin；9- friction
Piece；10- platen assembly；11- abutment sleeve；One shaft-cup sleeve of 12- gearbox.
Specific embodiment
Specifically describing the preferred embodiment of the present invention with reference to the accompanying drawing, wherein attached drawing constitutes the application a part, and
Together with embodiments of the present invention for illustrating the principle of the present invention, it is not intended to limit the scope of the present invention.
Embodiment 1
A specific embodiment of the invention discloses a kind of dry clutch friction plate real time temperature torque measurement dress
It sets, which includes: wireless data acquisition system and power supply unit.
Specifically, in order to obtain the temperature of real vehicle clutch working condition friction plate and the transmitting torque of clutch, wirelessly
Data collection system includes: temperature sensor 1, torque sensor 3, processes temperature signal circuit 2, torque signal processing circuit 4
With wireless signal transmitting chip 5.
Specifically, temperature sensor 1 detects the temperature of clutch friction plate, and the processes temperature signal circuit 2 is by temperature
Sensor 1 measures signal and amplifies, and reaches wireless signal transmitting chip 5.The transmitting that torque sensor 3 detects clutch is turned round
Square, torque sensor 3 is measured signal and amplified by the torque signal processing circuit 4, and reaches wireless signal transmitting chip
5.Fig. 1 and Fig. 2 is that clutch friction plate wireless data acquisition system arranges schematic diagram.
When wireless data acquisition system works, the temperature of clutch friction plate is passed by the temperature being embedded in Friction Disk Surface
Sensor (K-type thermocouple) 1 measures, and the temperature data measured reaches wireless communication after processes temperature signal circuit 2 amplifies
The AD serial ports input terminal of number transmitting chip 5.Similarly, it is adopted by the torque sensor (foil gauge) 3 for being mounted on female splined shaft outer surface
The torque data collected is sent to wireless signal transmitting chip 5 by processing circuit 4.Wireless signal transmitting chip 5 to temperature and
Torque data is sent out after being arranged according to setpoint frequency, is then connect by the wireless signal for being connected to host computer display interface
It receives chip to be received, completes entire signal acquisition process.
Since the wireless data acquisition system needs to obtain clutch temp to the consecutive variations situation of time, therefore it is required that
The tranmitting frequency of wireless data is high as much as possible, to obtain continuous temperature field.This makes the power consumption of entire temp measuring system non-
Chang great, and since whole system installation space is smaller, selectable battery specifications size is also limited, is computed, 3000mAh
Battery the wireless temperature measurement system can only be maintained to run time of or so 15 hours.
The real-time prison of clutch friction plate temperature and transmitting torque when therefore, in order to realize to real vehicle clutch working condition
It surveys, above-mentioned wireless data acquisition system needs continued power.In order to power to wireless data acquisition system, the present invention is also provided with
Power supply unit, power supply unit include: supplying cell 6 and collector ring 7.
Specifically, supplying cell 6 is the chargeable high temperature resistant battery of 3.7V, and supplying cell 6 is the data acquisition
System power supply, meanwhile, parallel connection goes out charging circuit and is connected with inner ring (rotor) lead of the collector ring 7.
Specifically, and outer ring (i.e. stator) lead of collector ring 7 is connected to 3.7V regulated power supply, for supplying cell 6 charge.
Supplying cell 6 is connected by collector ring 7 with external regulated power supply, it is ensured that when 6 not enough power supply of supplying cell, pressure stabilizing electricity
Source can charge for supplying cell 6, be further ensured that the continued power for wireless data acquisition system.
The mounting means of collector ring 7 such as Fig. 3, specifically, the inner hole sleeve of collector ring 7 are stretched out in the internal spline hub of friction plate
End.The inner ring of the collector ring 7 is fixedly connected by bolt and nut with friction plate 9, in the clutch course of work with friction plate 9
Synchronous rotary.
Wherein, the locating scheme of the outer ring (i.e. stator) of collector ring 7 can be there are many form.
Illustratively, a kind of location structure of the outer ring of collector ring 7 is using abutment sleeve 11.
Specifically, as shown in fig. 6,11 one end of abutment sleeve is stuck in the outer ring locating slot of the collector ring 7；The positioning
11 other end of sleeve is fixedly connected with a shaft-cup sleeve 12 of gearbox by pin feature.
When implementation, by the cooperation abutment sleeve 11 of design processing, it is stuck in the positioning of 7 outer ring of collector ring in advance in assembling stage
In slot, the other end of abutment sleeve 11 is fixedly connected by pin feature with a shaft-cup sleeve 12 of gearbox.Due to gearbox
A shaft-cup sleeve 12 be fixing piece, effect be that support is provided for release bearing, therefore, this connection structure can make current collection
The outer ring (stator) of ring 7 partially maintains static, and the outer ring of collector ring 7 (stator) lead is connected to change by abutment sleeve 11
Then fast tank shell is drawn and is connect with the regulated power supply, powered by external power supply.This location structure may be implemented pair
The power supply free of discontinuities of wireless data acquisition system, thoroughly avoids the repeated disassembled and assembled of system, may be implemented it is steady in a long-term to from
The DATA REASONING of clutch temperature and torque.
Compared with prior art, dry clutch friction plate real time temperature torque-measuring apparatus provided in this embodiment, tool
There is following technical effect:
1, the temperature change of the clutch friction plate by the available vehicle of this programme under real road driving cycle
With transmitting torque condition.
2, it does not need to carry out former component complicated repacking, so that it may accurately obtain clutch and separate work when combining
State.
3, power supply unit can be continuously wireless data acquisition system power supply, guarantee when the clutch is in operation, rub to clutch
The temperature change of pad and the uninterrupted real-time monitoring of transmitting torque condition.
4, by real-time monitoring clutch temp and change in torque situation, the various failures event of clutch can effectively be prevented
Barrier, while providing real vehicle data for clutch characteristics Simulation Modeling and supporting.
Embodiment 2
Illustratively, another locating scheme of the outer ring of collector ring 7 is positioned using positioning pin 8, and Fig. 4 is clutch pressure
Disc assembly locating pin structure schematic diagram, Fig. 5 are positioning pin.
Specifically, positioning pin 8 is welded on the inner ring side wall of clutch cover and plate assembly 10, and the outer ring of the collector ring 7 exists
Under the drive of positioning pin 8 with platen assembly 10 and engine flywheel synchronous rotary, and by the outer ring lead high-temp glue of collector ring 7
It is fixed on clutch housing, prevents the damage that falls off in rotary course.The off working state of clutch can be by collector ring 7
Outer ring lead is connect with charging socket, is charged for power supply 6.
When positioning the outer ring of collector ring 7 using positioning pin 8, specific operating method are as follows: when real train test, the no line number
It is powered according to acquisition system by supplying cell 6；It, will be outside collector ring 7 by the opening of gearbox body when vehicle stall parking
The charging cable plug of ring lead is connected with the charging socket on shell, charges for supplying cell 6, and reaching system can without dismounting
With the purpose being repeatedly used for a long.
Embodiment 3
It, directly will be in collector ring 7 for dry clutch friction plate real time temperature torque-measuring apparatus of the present invention
Ring lead is connected to sensor, 7 component of collector ring is integrated to 12 components interior of a shaft-cup of friction plate 9 or gearbox, passed through
Collector ring 7 transmits the signal of acquisition.The outer ring lead external gear box electrical control unit (TCU) of collector ring 7, by temperature sensor
1 and the temperature that monitors of torque sensor 3 and torque signal be directly transferred to gear box electrical control unit (TCU), by TCU to sensing
The collected signal of device is received and is handled, and is communicated by vehicle-mounted CAN network and host computer.It omits at interior temperature signal
Manage circuit 2, torque signal processing circuit 4 and wireless signal transmitting chip 5.
Specifically, collector ring 7 can be embedded in one shaft-cup of gearbox, 12 components interior, outer ring is fixedly connected with a shaft-cup 12,
Inner ring and the cooperation of one axis of gearbox rotate synchronously, and inner ring lead is attached to axis surface and is stretched out around axis, or protrude into axis from axial end
It stretches out, and reserves connector.Gearbox equipped with this component can with the clutch friction plate 9 equipped with the sensors such as temperature torque into
Row combination, realizes real-time measurement purpose.The integration member can normally substitute the sealing and supporting role of one shaft-cup 12 of gearbox, not increase
Add any assembly difficulty.Meanwhile clutch friction plate 9 that sensor is pre-installed need to be routed rationally, connector be reserved, in reality
It is normally assembled after the two is connected when vehicle assembles, is not changed existing assembly method, it is easy to operate.
This solution integration Du Genggao, carries out easier, and cost is lower, but needs to the existing component knot of gearbox
Structure carries out certain change in design, and essential concept is identical with the present invention.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of dry clutch friction plate real time temperature torque-measuring apparatus characterized by comprising data acquisition system
System and power supply unit；
The wireless data acquisition system include: temperature sensor (1), torque sensor (3), processes temperature signal circuit (2),
Torque signal processing circuit (4) and wireless signal transmitting chip (5)；
The power supply unit includes: supplying cell (6) and collector ring (7).
2. dry clutch friction plate real time temperature torque-measuring apparatus according to claim 1, which is characterized in that described
Temperature sensor (1) detects the temperature of clutch friction plate, and the processes temperature signal circuit (2) surveys temperature sensor (1)
It obtains signal to amplify, and reaches wireless signal transmitting chip (5).
3. dry clutch friction plate real time temperature torque-measuring apparatus according to claim 1 or 2, which is characterized in that
The transmitting torque of the torque sensor (3) detection clutch, the torque signal processing circuit (4) is by torque sensor (3)
It measures signal to amplify, and reaches wireless signal transmitting chip (5).
4. dry clutch friction plate real time temperature torque-measuring apparatus according to claim 3, which is characterized in that described
Transmitting is then passed to host computer, completes signal acquisition to chip is received after wireless signal transmitting chip (5) will measure signal processing
Process.
5. dry clutch friction plate real time temperature torque-measuring apparatus according to claim 4, which is characterized in that described
Supplying cell (6) is chargeable high temperature resistant battery, and the supplying cell (6) is wireless data acquisition system power supply；
The outer ring lead of the collector ring (7) connects regulated power supply, and the inner ring lead of the collector ring (7) is supplying cell (6)
Charging.
6. dry clutch friction plate real time temperature torque-measuring apparatus according to claim 5, which is characterized in that described
The inner hole sleeve of collector ring (7) is in the internal spline hub extension end of friction plate；The inner ring of the collector ring (7) by bolt and nut with
Friction plate (9) is fixedly connected, in the clutch course of work with friction plate synchronous rotary.
7. dry clutch friction plate real time temperature torque-measuring apparatus described in -6 according to claim 1, which is characterized in that institute
The outer ring for stating collector ring (7) is positioned using abutment sleeve (11) or positioning pin (8).
8. dry clutch friction plate real time temperature torque-measuring apparatus according to claim 7, which is characterized in that described
Abutment sleeve (11) one end is stuck in the outer ring locating slot of the collector ring (7)；Abutment sleeve (11) other end and speed change
One shaft-cup sleeve (12) of case is fixedly connected by pin feature.
9. dry clutch friction plate real time temperature torque-measuring apparatus according to claim 8, which is characterized in that described
The outer ring lead of collector ring (7) is connected to gear box casing by the abutment sleeve (11), then draws and the pressure stabilizing electricity
Source connection, continuously powers for the wireless data acquisition system.
10. dry clutch friction plate real time temperature torque-measuring apparatus according to claim 7, which is characterized in that institute
It states positioning pin (8) to be welded on the inner ring side wall of clutch cover and plate assembly (10), the outer ring of the collector ring (7) is in positioning pin
(8) under drive with platen assembly (10) and engine flywheel synchronous rotary；When vehicle stall, the outer ring of the collector ring (7)
Lead is connected to charging socket charging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811308751.4A CN109211332A (en) | 2018-11-05 | 2018-11-05 | A kind of dry clutch friction plate real time temperature torque-measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811308751.4A CN109211332A (en) | 2018-11-05 | 2018-11-05 | A kind of dry clutch friction plate real time temperature torque-measuring apparatus |
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| CN109211332A true CN109211332A (en) | 2019-01-15 |
Family
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Family Applications (1)
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|---|---|---|---|
| CN201811308751.4A Pending CN109211332A (en) | 2018-11-05 | 2018-11-05 | A kind of dry clutch friction plate real time temperature torque-measuring apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112145572A (en) * | 2020-09-22 | 2020-12-29 | 长春一东离合器股份有限公司苏州研发中心 | Automobile clutch state monitoring mechanism |
| CN112343934A (en) * | 2020-10-26 | 2021-02-09 | 中国第一汽车股份有限公司 | Dynamic temperature testing device for clutch steel sheets, wet clutch assembly and four-wheel drive transfer case |
| CN113049039A (en) * | 2021-03-16 | 2021-06-29 | 北理慧动（常熟）车辆科技有限公司 | Method for testing torque and temperature of clutch |
| US11440642B2 (en) | 2019-10-03 | 2022-09-13 | Dassault Aviation | Aircraft actuator torque limiter, actuator, aircraft and related process |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11440642B2 (en) | 2019-10-03 | 2022-09-13 | Dassault Aviation | Aircraft actuator torque limiter, actuator, aircraft and related process |
| CN112145572A (en) * | 2020-09-22 | 2020-12-29 | 长春一东离合器股份有限公司苏州研发中心 | Automobile clutch state monitoring mechanism |
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Application publication date: 20190115 |
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