CN207439581U - A kind of road simulation dynamometer - Google Patents
A kind of road simulation dynamometer Download PDFInfo
- Publication number
- CN207439581U CN207439581U CN201721648990.5U CN201721648990U CN207439581U CN 207439581 U CN207439581 U CN 207439581U CN 201721648990 U CN201721648990 U CN 201721648990U CN 207439581 U CN207439581 U CN 207439581U
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- motor
- driver
- current transformer
- road simulation
- simulation dynamometer
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Abstract
This application discloses a kind of road simulation dynamometer, including having the driver of the motor of power generation and electric functions, the test roller contacted with wheel and driving motor work；Wherein, driver, motor and test roller are sequentially connected, and motor is connected with test roller by transmission device, and motor is connected by driver with power grid；The application utilizes motor and corresponding driver with power generation and electric functions, the kinetic energy generated during by vehicle testing, it is passed to via transmission device by testing roller and operating mode is changed to the motor of generating state via driver, motor converts kinetic energy into electric energy, it is fed back to again in power grid or energy storage device via driver, so as to reduce the waste of the energy and loss, the energy has been recycled.
Description
Technical field
The utility model is related to vehicle dynamic test technical field, more particularly to a kind of road simulation dynamometer.
Background technology
Chassis dynamometer is a kind of room for being used for testing the performances such as vehicle dynamic quality, multi-state discharge index, fuel oil index
Interior bench test equipment.Road simulation dynamometer calculates road analogy equation, and uses loading device by roller simulated roadway
It is simulated, realizes the simulation to each operating mode of automobile.
Existing chassis dynamometer, using eddy current absorption dynamometer as loading device (power absorber unit), automobile
The power sent is changed into thermal energy and is dispersed into again among ambient air.That is, when vehicle is surveyed on chassis dynamometer
During examination, the output of engine is scattered and disappeared with form of heat.
It is more and more using the place of chassis dynamometer with the continuous development of vehicle testing technique.Such as Vehicular exhaust
Annual test is discharged all using chassis dynamometer, the energy wasted every year is surprising.
Therefore, a kind of road simulation dynamometer that can reduce energy waste how is researched and developed, is currently to need what is solved to ask
Topic.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of road simulation dynamometer, energy waste is reduced.It has
Body scheme is as follows：
A kind of road simulation dynamometer, including the test roller that there is the motor of power generation and electric functions, contacted with wheel
With the driver for driving the motor work；Wherein, the driver, the motor and the test roller are sequentially connected, institute
It states motor with the test roller by transmission device to be connected, the motor is connected by the driver with power grid.
Optionally, further include to detect the pulling-pressing force sensor of the motor torque and turn for detecting the motor
The angle-position encoder of speed；The pulling-pressing force sensor and the angle-position encoder each respectively with the motor and the driving
Device is connected.
Optionally, the motor is connected with the test roller by flexible clutch.
Optionally, the driver is four-quadrant drive.
Optionally, the accumulator being connected with the driver is further included.
Optionally, the driver includes adjusting the unsteady flow of the frequency of the motor output electric energy, phase and voltage
Device.
Optionally, the motor is alternating current generator.
Optionally, the driver include be connected with the current transformer, for drive the pwm modulator of the current transformer and
Phase controller.
Optionally, the alternating current that the current transformer includes generating in the alternating current generator is converted to the first of direct current
Current transformer and the direct current for exporting first current transformer are converted to the second current transformer of alternating current；Wherein, the alternating current
Machine, the first current transformer and the second current transformer are sequentially connected in series.
Optionally, first current transformer and second current transformer include sequentially connected intermediate dc circuit,
IGBT power supply circuits, LCL filter and AC fuses.
In the utility model, road simulation dynamometer, including there is the motor of power generation and electric functions, contact with wheel
Test roller and the driver of driving motor work；Wherein, driver, motor and test roller are sequentially connected, motor and test
Roller is connected by transmission device, and motor is connected by driver with power grid；The utility model, which utilizes, has power generation and electronic work(
Can motor and corresponding driver, the kinetic energy that by vehicle testing when generates passed to by testing roller via transmission device
Operating mode is changed to the motor of generating state via driver, motor converts kinetic energy into electric energy, again anti-via driver
It is fed in power grid or energy storage device, so as to reduce the waste of the energy and loss, has recycled the energy.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiment of the utility model, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is a kind of road simulation dynamometer structure diagram disclosed in the utility model embodiment；
Fig. 2 is a kind of activation configuration schematic diagram disclosed in the utility model embodiment；
Fig. 3 is a kind of converter structure schematic diagram disclosed in the utility model embodiment.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
The utility model embodiment discloses a kind of road simulation dynamometer, shown in Figure 1, which includes having
The driver 11 that the motor 12 of power generation and electric functions, the test roller 13 contacted with wheel and driving motor 12 work；Wherein,
Driver 11, motor 12 and test roller 13 are sequentially connected, and motor 12 is connected with test roller 13 by transmission device, motor 12
It is connected by driver 11 with power grid.
Specifically, when vehicle voluntarily drives wheel to operate, and drives the test rotation of roller 13, for example, vehicle carries out tail gas
When discharging annual test, driver 11 controls motor 12, and into power generation mode, kinetic energy is transferred to by test roller 13 by transmission device
Motor 12, motor 12 are then generated electricity using the kinetic energy, produced electricl energy, and electric energy fills again via driver 11 into power grid or energy storage
It puts, the kinetic energy for recycling vehicle is realized, so as to reduce the waste of the energy.
Certainly, test roller 13 is being needed to rotate, when band motor car wheel rotates, driver 11 controls motor 12 to enter electronic mould
Formula, motor 12 receive the electric energy that power grid is transmitted by driver 11, and by transmission device, rotor is discharged for driving rotor rotation
Kinetic energy pass to test roller 13, test roller 13 drives the wheel that is in contact with it to rotate, completes test again.
It should be noted that driver 11 for can the four-quadrant drive 11 that is operated in four-quadrant of driving motor 12, i.e.,
Can driving motor 12 rotate forward it is electronic, rotate forward power generation, invert it is electronic and reversion power generation.
As it can be seen that the utility model embodiment, which utilizes, has power generation and the motor 12 of electric functions and corresponding driver 11,
The kinetic energy generated during by vehicle testing is passed to via driver 11 via transmission device by operating mode by testing roller 13
The motor 12 of generating state is changed to, motor 12 converts kinetic energy into electric energy, and power grid or energy storage are fed back to again via driver 11
In device, so as to reduce the waste of the energy and loss, the energy has been recycled.
The utility model embodiment discloses a kind of specific road simulation dynamometer, compared with a upper embodiment, this reality
It applies example and further instruction and optimization has been made to technical solution.Specifically：
In practical application, the voltage of the electric energy generated in generate mode due to motor, frequency and phase are uncontrollable, and want
Want to be required to stable voltage, frequency and phase using the electric energy that motor generates, therefore, above-mentioned driver includes adjusting
It is steady to be become voltage, frequency and phase by the current transformer of the motor output frequency of electric energy, phase and voltage for the electric energy that motor generates
Fixed electric energy.
Meanwhile for driver is made preferably current transformer to be controlled to work, driver can include being connected with current transformer, for driving
The pwm modulator and phase controller of dynamic current transformer adjust the work shape of current transformer using pwm modulator and phase controller
State adjusts the frequency, phase and voltage of electric energy.
Wherein, motor can be alternating current generator or direct current generator.
Further, shown in Figure 2, when motor is alternating current generator 23, above-mentioned current transformer can include handing over
The direct current that the alternating current that galvanic electricity machine 23 generates is converted to the first current transformer 21 of direct current and exports the first current transformer 21 turns
It is changed to the second current transformer 22 of alternating current；Wherein, alternating current generator 23, the first current transformer 21 and the second current transformer 22 are sequentially connected in series；
The alternating current that alternating current generator 23 generates is converted to and meets power grid or accumulator using the first current transformer 21 and the second current transformer 22
24 frequency, phase and voltage, to make full use of the electric energy that alternating current generator 23 generates.
Wherein, shown in Figure 3, the first current transformer and the second current transformer include sequentially connected intermediate dc circuit
31st, IGBT power supply circuits 32, LCL filter 33 and AC fuses 34.
In the utility model embodiment, driver can be connected with power grid or accumulator, and the electric energy that motor is generated is defeated
It send into power grid or accumulator；Preferably to detect electric machine operation state, can further include to detect the tension and compression of motor torque
Formula force snesor and the angle-position encoder for detecting motor speed；Pulling-pressing force sensor and angle-position encoder each respectively with
Motor is connected with driver, and after pulling-pressing force sensor detects the torque of motor, testing result is sent to driver, corner
After encoder detects the real-time rotating speed of motor, testing result is sent to driver in real time.
Specifically, motor can be connected with test roller by flexible clutch.
The foregoing description of the disclosed embodiments enables those skilled in the art to realize or using the utility model.
A variety of modifications of these embodiments will be apparent for a person skilled in the art, general original as defined herein
Reason can be realized in other embodiments without departing from the spirit or scope of the present utility model.Therefore, this practicality is new
Type is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase
Consistent most wide scope.
Claims (10)
1. a kind of road simulation dynamometer, which is characterized in that including there is the motor of power generation and electric functions, contact with wheel
It tests roller and drives the driver of the motor work；Wherein, the driver, the motor and it is described test roller successively
It is connected, the motor is connected with the test roller by transmission device, and the motor is connected by the driver with power grid.
2. road simulation dynamometer according to claim 1, which is characterized in that further include to detect the motor torque
Pulling-pressing force sensor and angle-position encoder for detecting the motor speed；The pulling-pressing force sensor and described turn
Angular encoder is each connected with the motor and the driver respectively.
3. road simulation dynamometer according to claim 1, which is characterized in that the motor passes through with the test roller
Flexible clutch connects.
4. road simulation dynamometer according to claim 1, which is characterized in that the driver is four-quadrant drive.
5. road simulation dynamometer according to claim 1, which is characterized in that further include the storage being connected with the driver
Battery.
6. road simulation dynamometer according to any one of claims 1 to 5, which is characterized in that the driver includes using
In the current transformer of the frequency of the adjusting motor output electric energy, phase and voltage.
7. road simulation dynamometer according to claim 6, which is characterized in that the motor is alternating current generator.
8. road simulation dynamometer according to claim 6, which is characterized in that the driver includes and the current transformer
It is connected, for driving the pwm modulator of the current transformer and phase controller.
9. road simulation dynamometer according to claim 7, which is characterized in that the current transformer is included for by the friendship
The alternating current that galvanic electricity machine generates is converted to the first current transformer of direct current and converts the direct current of first current transformer output
For the second current transformer of alternating current；Wherein, the alternating current generator, the first current transformer and the second current transformer are sequentially connected in series.
10. road simulation dynamometer according to claim 9, which is characterized in that first current transformer and described second
Current transformer includes sequentially connected intermediate dc circuit, IGBT power supply circuits, LCL filter and AC fuses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648990.5U CN207439581U (en) | 2017-11-30 | 2017-11-30 | A kind of road simulation dynamometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648990.5U CN207439581U (en) | 2017-11-30 | 2017-11-30 | A kind of road simulation dynamometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207439581U true CN207439581U (en) | 2018-06-01 |
Family
ID=62285448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721648990.5U Active CN207439581U (en) | 2017-11-30 | 2017-11-30 | A kind of road simulation dynamometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207439581U (en) |
-
2017
- 2017-11-30 CN CN201721648990.5U patent/CN207439581U/en active Active
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