CN207923463U - A kind of new-energy automobile electrical drive power performance test stand - Google Patents
A kind of new-energy automobile electrical drive power performance test stand Download PDFInfo
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- CN207923463U CN207923463U CN201820220485.9U CN201820220485U CN207923463U CN 207923463 U CN207923463 U CN 207923463U CN 201820220485 U CN201820220485 U CN 201820220485U CN 207923463 U CN207923463 U CN 207923463U
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Abstract
The utility model discloses a kind of new-energy automobile electrical drive power performance test stands, it is characterised in that：Including engine, the second clutch and torque sensor being connected with engine, the first clutch and speed changer being connected with second clutch, the driving motor being connected with first clutch, the frequency converter being connect with driving motor, the battery pack being connect with frequency converter, the inertial flywheel group being connect with speed changer, the dynamometer machine being connected with inertial flywheel group, the Signal-regulated kinase being connect with torque sensor, the A/D conversion modules being connect with Signal-regulated kinase, and the industrial personal computer that is connect respectively with A/D conversion modules, dynamometer machine, battery pack and frequency converter.By being loaded to engine, simulated automotive works the utility model under various operating modes, to test the driving force performance of new-energy automobile, is not limited, can more accurately be tested the performance of automobile by natural environment.
Description
Technical field
The utility model is related to a kind of testing stand, in particular to a kind of new-energy automobile electrical drive power performance test stands.
Background technology
Development new-energy automobile has risen to national strategy, to alleviating environment and Pressure on Energy, pushes automobile industry
Transition and upgrade is of great significance.New-energy automobile is required for surveying its electric drive performance by testing stand before manufacture
Examination is required with confirming whether new-energy automobile meets manufacture.
New-energy automobile research and development test mainly has emulation of the computer software experiment, vehicle road test both at home and abroad at present.Meter
Calculation machine l-G simulation test is adaptable by force, starts the advantages such as the period is short, expense is low, but it is hardly resulted in accurately as a result, emulation
As a result it must be examined by other approach.When outdoor vehicle road test, although real vehicle is capable of providing true environment, but test
Of high cost, test and conciliation difficulty are big.Therefore, develop meet new-energy automobile test need testing stand become particularly to compel
It cuts.
Utility model content
The purpose of the utility model is to overcome the drawbacks described above present in traditional new-energy automobile testing stand, provide one
Kind new-energy automobile electrical drive power performance test stand.
The purpose of this utility model is achieved through the following technical solutions：A kind of new-energy automobile electrical drive power performance test
Platform, including engine, the second clutch and torque sensor being connected with engine, first to be connected with second clutch
Clutch and speed changer, the driving motor being connected with first clutch, the frequency converter being connect with driving motor are connect with frequency converter
Battery pack, the inertial flywheel group being connect with speed changer, the dynamometer machine being connected with inertial flywheel group connect with torque sensor
Signal-regulated kinase, the A/D conversion modules being connect with Signal-regulated kinase, and respectively with A/D conversion modules, dynamometer machine,
Battery pack and the industrial personal computer of frequency converter connection.
Further, the Signal-regulated kinase includes amplifier P1, one end connect after resistance R1 with the anode of amplifier P1,
The capacitance C1 that the other end is connected after resistance R2 with the anode of amplifier P1, is serially connected between the cathode and output end of amplifier P1
Resistance R3, the capacitance C2 that one end is connect with the negative power end of amplifier P1, the other end is grounded, one end and the positive power source terminal of amplifier P1 connect
It connects, the capacitance C3 of other end ground connection, and the signal being connect with the output end of amplifier P1 follows circuit；The negative electricity of the amplifier P1
Source and positive power source terminal connect power supply；The tie point of capacitance C1 and resistance R2 are grounded, the tie point and torsion of capacitance C1 and resistance R1
The signal output end of square sensor connects；The signal follows circuit to be connected with A/D conversion modules.
It includes triode Q1 that the signal, which follows circuit, anode connect with the base stage of triode Q1 after resistance R4, cathode
The polar capacitor C4 being grounded after resistance R7, the resistance being serially connected between the emitter of triode Q1 and the cathode of polar capacitor C4
R6, one end is connected with the collector of triode Q1, the transmitting of the resistance R5 of another termination power and one end and triode Q1
The capacitance C5 that pole is connected, the other end is connected with the input terminal of A/D conversion modules；The base stage of the triode Q1 and amplifier P1
Output end be connected.
The model AD811 of the amplifier P1.
The utility model compared with the prior art, has the following advantages and advantageous effect：
(1) by being loaded to engine, simulated automotive works the utility model under various operating modes, to test new energy
The driving force performance of source automobile, is not limited by natural environment, can more accurately be tested the performance of automobile.
(2) the utility model can be handled the signal detected, the precision of signal detection be improved, so as to more
The good performance to new-energy automobile is assessed.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the circuit structure diagram of the Signal-regulated kinase of the utility model.
Specific implementation mode
The utility model is described in further detail with reference to embodiment, but the embodiment of the utility model is simultaneously
It is without being limited thereto.
Embodiment
As shown in Figure 1, the new-energy automobile electrical drive power performance test stand of the utility model, including engine, with hair
Motivation connected second clutch and torque sensor, the first clutch and speed changer being connected with second clutch, with the
The connected driving motor of one clutch, the frequency converter being connect with driving motor, the battery pack being connect with frequency converter connect with speed changer
The inertial flywheel group connect, the dynamometer machine being connected with inertial flywheel group, the Signal-regulated kinase being connect with torque sensor, with letter
The A/D conversion modules of number conditioning module connection, and connect respectively with A/D conversion modules, dynamometer machine, battery pack and frequency converter
Industrial personal computer.
Specifically, the driving motor is connected with first clutch with second clutch respectively with engine, two such is dynamic
Power source can not only connect independently of each other but also closely, therefore the testing stand can be respectively to the engine of new-energy automobile and motor
Performance is tested.The speed changer is located on main shaft, is used to transmit the output torque of engine and motor.Inertial flywheel
Inertia of the group for simulating new-energy automobile, dynamometer machine are used to load to engine, and simulated automotive is in different road conditions downward drivings
Resistance.Frequency converter works at different frequencies for controlling driving motor, and battery pack is then used to provide power source to motor.Torque
Sensor surveys the output torque for detecting engine, and Signal-regulated kinase and A/D conversion modules are used for the torque to detecting
Signal is handled, and the precision of signal is improved.Industrial personal computer can send out instruction, control dynamometer machine and frequency converter work, and receive
The torque signal detected calculates the output power of engine according to torque signal, to show that the electricity of new-energy automobile drives
Power performance；Meanwhile industrial personal computer can also monitor the electricity of battery pack.
As shown in Fig. 2, the Signal-regulated kinase includes amplifier P1, and capacitance C1, resistance R1, resistance R2, resistance R3, capacitance
C2, signal follow circuit and capacitance C3.Wherein, one end of capacitance C1 connect with the anode of amplifier P1 after resistance R1, is another
One end is connected after resistance R2 with the anode of amplifier P1.Resistance R3 is serially connected between the cathode and output end of amplifier P1.Capacitance
One end of C2 is connect with the negative power end of amplifier P1, the other end is grounded.One end of capacitance C3 connect with the positive power source terminal of amplifier P1,
The other end is grounded.Signal follows circuit and the output end of amplifier P1 to connect.
In addition, the negative power end and positive power source terminal of the amplifier P1 connect 12V power supplys；The tie point of capacitance C1 and resistance R2
Ground connection, the signal output end connection of the tie point and torque sensor of capacitance C1 and resistance R1；The signal follows circuit and A/D
Conversion module is connected.
In said structure, capacitance C1 can be filtered the frequency glitches in signal, improve the essence of detection signal
The capacitance of degree, capacitance C1 is 0.1 μ F.Resistance R1 and resistance R2 composition partial pressure links, the partial pressure link can believe detection
Number amplitude converted, comply with the input requirements of A/D conversion modules, the resistance value of resistance R1 is 46K Ω, resistance R2's
Resistance value is 10K Ω.Capacitance C3 and capacitance C2 can make to be supplied to the voltage of amplifier P1 more to be stablized, capacitance C3 and capacitance C2
Capacitance be 10 μ F.An amplifier is collectively formed in amplifier P1, resistance R3, which can improve the resolution of detection signal
Rate, resistance R3 are the negative feedback resistor of amplifier P1, can stablize the operating point of amplifier P1；The resistance value of resistance R20 is 20K
The model AD811 of Ω, amplifier P1.The torque signal of torque sensor output is input to amplifier P1, by amplifier P1 processing
After export and follow circuit to signal.
In addition, it includes triode Q1, resistance R4, resistance R5, resistance R6, resistance R7, polar capacitor that the signal, which follows circuit,
C4 and capacitance C5.The anode of polar capacitor C4 is connect after resistance R4 with the base stage of triode Q1, cathode is after resistance R7
Ground connection.Resistance R6 is serially connected between the emitter of triode Q1 and the cathode of polar capacitor C4.One end of resistance R5 and triode
The collector of Q1 is connected, another termination power.One end of capacitance C5 is connected with the emitter of triode Q1, the other end and A/
The input terminal of D conversion modules is connected.The base stage of the triode Q1 is connected with the output end of amplifier P1.
Triode Q1 and resistance R6 forms emitter follower, the emitter follower can with the output impedance of increasing circuit,
And play the role of signal isolation；The resistance value of the model 2N2369 of triode Q1, resistance R6 are 10K Ω.The polar capacitor
C4 can make interference signal further filtering, and capacitance is 4.7 μ F.The resistance value of resistance R4 is 15K Ω, the resistance value of resistance R5
Resistance value for 560 Ω, resistance R7 is 10K Ω, and the capacitance of capacitance C5 is 1 μ F.
The signal of amplifier P1 outputs is input to emitter follower, is exported to A/D through capacitance C5 after being handled by emitter follower
Conversion module, A/D conversion modules are conveyed to industrial personal computer after converting a signal into digital signal.
As described above, the utility model can be realized well.
Claims (4)
1. a kind of new-energy automobile electrical drive power performance test stand, it is characterised in that：Including engine, it is connected with engine
Second clutch and torque sensor, the first clutch and speed changer being connected with second clutch, with first clutch phase
Driving motor even, the frequency converter being connect with driving motor, the battery pack being connect with frequency converter, the inertia being connect with speed changer fly
Wheel group, the dynamometer machine being connected with inertial flywheel group, the Signal-regulated kinase being connect with torque sensor, with Signal-regulated kinase
The A/D conversion modules of connection, and the industrial personal computer that is connect respectively with A/D conversion modules, dynamometer machine, battery pack and frequency converter.
2. a kind of new-energy automobile electrical drive power performance test stand according to claim 1, it is characterised in that：The signal
Conditioning module includes amplifier P1, one end connect after resistance R1 with the anode of amplifier P1, the other end after resistance R2 with amplifier P1
The anode capacitance C1 that is connected, the resistance R3 being serially connected between the cathode and output end of amplifier P1, one end is negative with amplifier P1's
The capacitance C2 that power end connection, the other end are grounded, the capacitance C3 that one end is connect with the positive power source terminal of amplifier P1, the other end is grounded,
And the signal being connect with the output end of amplifier P1 follows circuit；The negative power end and positive power source terminal of the amplifier P1 connects electricity
Source；The tie point of capacitance C1 and resistance R2 are grounded, the signal output end of the tie point and torque sensor of capacitance C1 and resistance R1
Connection；The signal follows circuit to be connected with A/D conversion modules.
3. a kind of new-energy automobile electrical drive power performance test stand according to claim 2, it is characterised in that：The signal
It includes triode Q1 to follow circuit, and anode is connect after resistance R4 with the base stage of triode Q1, cathode is grounded after resistance R7
Polar capacitor C4, the resistance R6 being serially connected between the emitter of triode Q1 and the cathode of polar capacitor C4, one end and triode
The collector of Q1 is connected, the resistance R5 of another termination power and one end are connected with the emitter of triode Q1, the other end
The capacitance C5 being connected with the input terminal of A/D conversion modules；The base stage of the triode Q1 is connected with the output end of amplifier P1.
4. a kind of new-energy automobile electrical drive power performance test stand according to claim 3, it is characterised in that：The amplifier
The model AD811 of P1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820220485.9U CN207923463U (en) | 2018-02-07 | 2018-02-07 | A kind of new-energy automobile electrical drive power performance test stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820220485.9U CN207923463U (en) | 2018-02-07 | 2018-02-07 | A kind of new-energy automobile electrical drive power performance test stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207923463U true CN207923463U (en) | 2018-09-28 |
Family
ID=63603844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820220485.9U Active CN207923463U (en) | 2018-02-07 | 2018-02-07 | A kind of new-energy automobile electrical drive power performance test stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207923463U (en) |
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2018
- 2018-02-07 CN CN201820220485.9U patent/CN207923463U/en active Active
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