CN207181032U - A kind of fluid torque-converter test system - Google Patents
A kind of fluid torque-converter test system Download PDFInfo
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- CN207181032U CN207181032U CN201721001184.9U CN201721001184U CN207181032U CN 207181032 U CN207181032 U CN 207181032U CN 201721001184 U CN201721001184 U CN 201721001184U CN 207181032 U CN207181032 U CN 207181032U
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Abstract
The utility model provides a kind of fluid torque-converter test system, including main electric dynamometer, fluid torque-converter, gearbox, auxiliary electric dynamometer and control unit；The output end of main electric dynamometer is connected with the input of fluid torque-converter by power transmission shaft, and the output end of fluid torque-converter is connected by gearbox with the output end of auxiliary electric dynamometer；Power transmission shaft between the output end of main electric dynamometer and the input of fluid torque-converter is provided with the first speed probe and the first torquemeter, and the power transmission shaft between the output end and gearbox of fluid torque-converter is provided with the second speed probe and the second torquemeter；Main electric dynamometer, auxiliary electric dynamometer, the first speed probe, the first torquemeter, the second speed probe and the second torquemeter are connected with control unit.By main electric dynamometer simulated engine operating mode, and then fluid torque-converter actual condition is simulated, realize accurate loading, control accuracy is high, improves test efficiency, shortens test period.
Description
Technical field
It the utility model is related to Vehicle Engineering technical field, and in particular to a kind of fluid torque-converter test system.
Background technology
Fluid torque-converter is a kind of blade mechanism using liquid as medium, can sublevel terrace land continuously change the nothing of gear ratio
Level speed changer, automobile engine mechanical energy can be smoothly sent to wheel by it, vehicle is realized electrodeless transmission, starting is steady,
Accelerate soft, speed change and adaptive performance good, simplified operation, improve riding comfort, and extend transmission system and use the longevity
Life, is widely used in automotive field.
As the development of automotive engineering in recent years, the extensive use of automatic transmission and buncher are multiple in order to meet
Do not stop working in the case of miscellaneous, fluid torque-converter has big advantage, has a extensive future；And the development ＆ production in fluid torque-converter waited
Cheng Zhong, experimental test are essential links, are one of critically important programs for ensureing properties of product.Current hydraulic moment changeable
Device test mode is typically all to be completed in open-door test ground ground by overall test, on the one hand, because the operation of driver is poor
Other and surrounding environment influence, the repeatability of experiment are poor；On the other hand, it is necessary to fluid torque-converter after pinpointing the problems
Upgrading is optimized, is needed during optimization from change in design to emulation until complete vehicle test is verified, after going wrong again
From change in design to emulation until complete vehicle test is verified, test period length, and it is costly.
Utility model content
(1) technical problems to be solved
The purpose of this utility model is to provide a kind of fluid torque-converter test system, to solve to test in existing measuring technology
The problem of repeatable difference and long test period, test accuracy and efficiency are improved, and reduce testing expense.
(2) technical scheme
In order to solve the above-mentioned technical problem, the utility model provides a kind of fluid torque-converter test system, including main electric power
Dynamometer machine, fluid torque-converter, gearbox, auxiliary electric dynamometer and control unit；Wherein, the output end of the main electric dynamometer
Be connected with the input of the fluid torque-converter by power transmission shaft, the output end of the fluid torque-converter by the gearbox with
The output end of the auxiliary electric dynamometer is connected；And the output end of the main electric dynamometer and the input of the fluid torque-converter
Power transmission shaft between end is provided with the first speed probe and the first torquemeter, the output end of the fluid torque-converter and the change
Power transmission shaft between fast case is provided with the second speed probe and the second torquemeter；The main electric dynamometer, auxiliary electric power measurement of power
Machine, the first speed probe, the first torquemeter, the second speed probe and the second torquemeter are connected with described control unit.
Wherein, in addition to temperature sensor, the temperature sensor are connected with described control unit, for detecting the liquid
The hydraulic fluid temperature of power torque-converters.
Wherein, in addition to pressure sensor, the pressure sensor are connected with described control unit, for detecting the liquid
The operating oil pressure of power torque-converters.
Wherein, in addition to radiator, the radiator are connected by pipeline with the fluid torque-converter.
Wherein, in addition to testboard, the main electric dynamometer, auxiliary electric dynamometer, gearbox and fluid torque-converter are equal
On the testboard.
Wherein, the output end of the fluid torque-converter and the input shaft of the gearbox pass through Universal drive axis connection.
Wherein, the motor of the auxiliary electric dynamometer and main electric dynamometer is servomotor.
(3) beneficial effect
Compared with prior art, the utility model has the following advantages that：
The utility model provides a kind of fluid torque-converter test system, passes through the various of main electric dynamometer simulated engine
Operating mode, and then it is capable of the actual condition of real simulation fluid torque-converter, realize to engine, fluid torque-converter, transmission assembly
Matching optimization；On the one hand, its control accuracy is high, can be achieved to the accurate loading of fluid torque-converter, while can be complete indoors
Into test, the operational difference and surrounding environment due to driver are avoided, test data is impacted；On the other hand, save
Engine replacing construction has been saved, has substantially increased test efficiency, has shortened test period, has reduced testing expense.
Brief description of the drawings
Fig. 1 is a kind of structural representation of fluid torque-converter test system of the utility model；
Description of reference numerals
The main electric dynamometers of 1-；The speed probes of 2- first；The torquemeters of 3- first；4- fluid torque-converters；The rotating speeds of 5- second
Sensor；The torquemeters of 6- second；7- gearboxes；The auxiliary electric dynamometers of 8-；9- radiators.
Embodiment
With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below
Example is used to illustrate the utility model, but is not limited to the scope of the utility model.
, it is necessary to which explanation, unless otherwise indicated, " multiple " are meant that two or two in description of the present utility model
More than individual；The instruction such as term " on ", " under ", "left", "right", " interior ", " outer ", " front end ", " rear end ", " head ", " afterbody "
Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of the description present invention and simplification is retouched
State, rather than instruction or imply signified device or element there must be specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second ", " the 3rd " etc. are only used for describing purpose, and
It is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
As shown in figure 1, a kind of fluid torque-converter test system provided for the present embodiment, including main electric dynamometer 1, liquid
Power torque-converters 4, gearbox 7, auxiliary electric dynamometer 8, control unit and testboard.
Main electric dynamometer 1, auxiliary electric dynamometer 8, gearbox 7 and fluid torque-converter 4 are on testboard.Main electric power
The output end of dynamometer machine 1 is connected with the input of fluid torque-converter 4 by power transmission shaft, and the output end of fluid torque-converter 4 passes through ten thousand
To the input axis connection of power transmission shaft and gearbox 7, the output shaft of gearbox 7 is connected with the output end of auxiliary electric dynamometer 8.
Power transmission shaft between the output end of main electric dynamometer 1 and the input of fluid torque-converter 4 is provided with the first rotating speed
The torquemeter 3 of sensor 2 and first；First speed probe 2 and the first torquemeter 3 are respectively used to measure the defeated of fluid torque-converter 4
Enter the rotating speed and moment of torsion at end；Power transmission shaft between the output end and gearbox 7 of fluid torque-converter 4 is provided with the second speed probe
5 and second torquemeter 6, the second speed probe 5 and the second torquemeter 6 are respectively used to measure turning for the output of fluid torque-converter 4
Speed and moment of torsion；
Main electric dynamometer 1, auxiliary electric dynamometer 8, the first speed probe 2, the first torquemeter 3, the second revolution speed sensing
The torquemeter 6 of device 5 and second is connected with control unit.
Further, in addition to radiator 9, radiator 9 are connected by pipeline with fluid torque-converter 4.It is right by radiator 9
Fluid torque-converter 4 is radiated, and is avoided the analysis of hydraulic oil overheat of fluid torque-converter 4, is influenceed test result.
In the present embodiment, the motor of auxiliary electric dynamometer 8 and main electric dynamometer 1 is servomotor.Can accurately it control
Input speed, input torque, output speed and the output torque of fluid torque-converter 4 processed, it is easy to simulate the reality of fluid torque-converter 4
Working condition.
Below by specific test process, further detailed description.
Power loss is tested：Main electric dynamometer 1 exports power, and auxiliary electric dynamometer 8 provides loading；First torquemeter 3
Measure the input torque T1 and input speed N1 of fluid torque-converter 4 respectively with the first revolution speed sensing 2；Second torquemeter 6 and second
Speed probe 5 measures the output torque T2 and output speed N2 of fluid torque-converter 4 respectively；, can according to formula P=N*T/9550
The input power P1 of fluid torque-converter 4 and power output P2 contrast are realized, so as to realize that the power loss of hydraulic moment changeable 4 is tested.
Further, increase input speed N1 step by step, record corresponding input torque T1, output torque T2 and output speed
N2, and draw power loss curve.Specifically, the oil temperature of fluid torque-converter 4 is stable near setting value, by fluid torque-converter
4 fuel delivery control is in setting flow；Input speed N1 and it is stable after, record input torque T1, output torque T2 now
With output speed N2；Increase input speed N1 step by step according to the rules, corresponding input torque T1, output torque are re-recorded after stable
T2 and output speed N2；All records of values are finished as requested, and draw power loss curve.
Fluid torque-converter test system in the present embodiment can also realize the basic performance tests to hydraulic moment variator,
Such as：Traction condition characteristic test, the experiment of zero-speed performance of operating condition, the experiment of reversing damped condition performance test, transmission efficiency.
1) torque test is determined in traction condition characteristic test：Output speed N2 remains zero or close to zero, improves defeated
Enter the input torque value that torque T 1 arrives test determination, and keep constant during whole experiment.Then by setting increment by
Secondary raising output speed N2, until predetermined value, then output speed N2 to zero gradually reduced or close to zero with identical increment.
2) constant speed characteristic test in traction condition characteristic test：Input speed N1 is improved to the tachometer value of test determination, and
Keep constant during whole experiment.Output speed N2 is gradually reduced up to predetermined value by the increment of setting, then with identical
Increment gradually improves output speed N2 to initial value.
3) zero-speed performance of operating condition is tested：Output speed N2 remains zero, input torque T1 (determining torque test) or rotating speed N1
(constant speed characteristic test) is gradually improved by the increment of setting, until setting value.
4) reversing damped condition performance test：Auxiliary electric dynamometer 8 is output power source, and main electric dynamometer 1 is loading end；Liquid
The input of power torque-converters 4 is changed into output end, and output end is changed into input；Respectively according in above-mentioned traction condition characteristic test
The constant speed test method determined in torque test and traction condition characteristic test is tested.
Further, in addition to temperature sensor, temperature sensor are connected with control unit, for detecting fluid torque-converter
4 hydraulic fluid temperature.
Hydraulic oil temperature rise is tested：Increase the input speed N1 or output speed N2 of fluid torque-converter 4 step by step, and record therewith
The hydraulic fluid temperature of corresponding fluid torque-converter 4, draw hydraulic fluid temperature change curve.
Further, in addition to pressure sensor, pressure sensor are connected with control unit, for detecting fluid torque-converter
Operating oil pressure.
Operating oil pressure is tested：Increase the input speed N1 or output speed N2 of fluid torque-converter 4 step by step, and record phase therewith
The operating oil pressure of corresponding fluid torque-converter 4, drawing oil pressure change curve.
The present embodiment provides a kind of fluid torque-converter test system, passes through the various works of main electric dynamometer simulated engine
Condition, and then be capable of the actual condition of real simulation fluid torque-converter, realize to engine, fluid torque-converter, transmission assembly
Matching optimization；On the one hand, its control accuracy is high, can be achieved to the accurate loading of fluid torque-converter, while can complete indoors
Test, avoids the operational difference and surrounding environment due to driver, test data is impacted；On the other hand, save
Engine replacing construction, test efficiency is substantially increased, shorten test period, reduce testing expense.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc., the utility model should be included in
Protection domain within.
Claims (7)
1. a kind of fluid torque-converter test system, it is characterised in that including main electric dynamometer, fluid torque-converter, gearbox, auxiliary
Electric dynamometer and control unit；Wherein, the output end of the main electric dynamometer and the input of the fluid torque-converter lead to
Cross power transmission shaft to be connected, the output end phase that the output end of the fluid torque-converter passes through the gearbox and the auxiliary electric dynamometer
Even；And the power transmission shaft between the output end of the main electric dynamometer and the input of the fluid torque-converter is provided with first turn
Fast sensor and the first torquemeter, the power transmission shaft between the output end of the fluid torque-converter and the gearbox are provided with second
Speed probe and the second torquemeter；The main electric dynamometer, auxiliary electric dynamometer, the first speed probe, the first moment of torsion
Instrument, the second speed probe and the second torquemeter are connected with described control unit.
2. fluid torque-converter test system according to claim 1, it is characterised in that described also including temperature sensor
Temperature sensor is connected with described control unit, for detecting the hydraulic fluid temperature of the fluid torque-converter.
3. fluid torque-converter test system according to claim 1, it is characterised in that described also including pressure sensor
Pressure sensor is connected with described control unit, for detecting the operating oil pressure of the fluid torque-converter.
4. fluid torque-converter test system according to claim 1, it is characterised in that also including radiator, the radiating
Device is connected by pipeline with the fluid torque-converter.
5. fluid torque-converter test system according to claim 1, it is characterised in that also including testboard, the main electricity
Power dynamometer machine, auxiliary electric dynamometer, gearbox and fluid torque-converter are on the testboard.
6. according to the fluid torque-converter test system described in claim any one of 1-5, it is characterised in that the fluid torque-converter
The input shaft of output end and the gearbox pass through Universal drive axis connection.
7. according to the fluid torque-converter test system described in claim any one of 1-5, it is characterised in that the auxiliary electric power measurement of power
The motor of machine and main electric dynamometer is servomotor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721001184.9U CN207181032U (en) | 2017-08-10 | 2017-08-10 | A kind of fluid torque-converter test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721001184.9U CN207181032U (en) | 2017-08-10 | 2017-08-10 | A kind of fluid torque-converter test system |
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| Publication Number | Publication Date |
|---|---|
| CN207181032U true CN207181032U (en) | 2018-04-03 |
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ID=61740482
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721001184.9U Active CN207181032U (en) | 2017-08-10 | 2017-08-10 | A kind of fluid torque-converter test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298739A (en) * | 2018-08-29 | 2019-02-01 | 西门子工厂自动化工程有限公司 | Control method, apparatus, system, storage medium and the terminal of dynamometer machine |
| CN109443614A (en) * | 2018-10-24 | 2019-03-08 | 重庆长安汽车股份有限公司 | A kind of the torque converter efficiency test macro and method of automatic transmission |
-
2017
- 2017-08-10 CN CN201721001184.9U patent/CN207181032U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298739A (en) * | 2018-08-29 | 2019-02-01 | 西门子工厂自动化工程有限公司 | Control method, apparatus, system, storage medium and the terminal of dynamometer machine |
| CN109443614A (en) * | 2018-10-24 | 2019-03-08 | 重庆长安汽车股份有限公司 | A kind of the torque converter efficiency test macro and method of automatic transmission |
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