CN207924101U - A kind of new energy electric machine combination property pilot system - Google Patents
A kind of new energy electric machine combination property pilot system Download PDFInfo
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- CN207924101U CN207924101U CN201820212983.9U CN201820212983U CN207924101U CN 207924101 U CN207924101 U CN 207924101U CN 201820212983 U CN201820212983 U CN 201820212983U CN 207924101 U CN207924101 U CN 207924101U
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Abstract
The utility model discloses a kind of new energy electric machine combination property pilot systems, it is characterised in that：Including tested motor M, frequency converter, load motor, voltage-current sensor and the torque sensor being connected with tested motor M, the industrial personal computer being connected with frequency converter, the conditioning module being connected with voltage-current sensor, and the amplification module that is connected with torque sensor；The conditioning module and amplification module are connected with industrial personal computer.The utility model can detect working voltage, electric current and torque parameter of the tested motor under each operating mode, and handle the parameter detected, improve the accuracy of detection parameters, so as to more accurately assess the performance of tested motor.
Description
Technical field
The utility model is related to a kind of Motor-Testing System, in particular to a kind of new energy electric machine combination property experiment systems
System.
Background technology
With the development of national economy and science and technology, the effect that motor plays in all trades and professions is more and more important.Together
When, with the development of every profession and trade, increasingly higher demands are proposed to motor product, therefore motor product is required for before manufacture
Verify whether its characteristic reaches application requirement by some pilot projects.Motor Measuring Technology has the performance verification of motor
There is considerable meaning.However it is not accurate enough to the detection of the parameters of motor for traditional Motor Measuring System, very big
The assessment of motor performance is affected in degree.
Utility model content
The purpose of the utility model is to overcome traditional Motor Measuring System, it detects the parameters of motor inadequate
Accurate defect provides a kind of new energy electric machine combination property pilot system.
The purpose of this utility model is achieved through the following technical solutions：A kind of new energy electric machine combination property pilot system,
Including tested motor M, the frequency converter, load motor, voltage-current sensor and the torque sensing that are connected with tested motor M
Device, the industrial personal computer being connected with frequency converter, the conditioning module being connected with voltage-current sensor, and with torque sensor phase
The amplification module of connection；The conditioning module and amplification module are connected with industrial personal computer.
Further, the conditioning module includes amplifier P1, and one end is connected after resistance R1 with the anode of amplifier P1, separately
The capacitance C1 that one end is connected after resistance R2 with the anode of amplifier P1, the electricity being serially connected between the cathode and output end of amplifier P1
R3, the capacitance C2 being in parallel with resistance R3, the capacitance C3 that one end is connected with the negative power end of amplifier P1, the other end is grounded are hindered,
And one end is connect with the positive power source terminal of amplifier P1, the capacitance C4 of other end ground connection；The tie point of the capacitance C1 and resistance R1
It is connect with the output end of voltage-current sensor；The tie point of capacitance C1 and resistance R2 are grounded；The output end of amplifier P1 and industry control
Machine connects, and negative power end and positive power source terminal connect power supply.
The amplification module includes triode Q1, triode Q2, and anode is connected with the base stage of triode Q1, cathode and torsion
The polar capacitor C5 that square sensor is connected, one end is connected with the anode of polar capacitor C5, the other end after capacitance C7 with three
Resistance R4, the resistance R6 being in parallel with capacitance C7 of the emitter connection of pole pipe Q2, anode are connected with the collector of triode Q2
It connects, polar capacitor C6, the resistance R5 being serially connected between the anode of polar capacitor C6 and the collector of triode Q1 of cathode ground connection,
And the resistance R7 that one end is connected with the collector of triode Q2, other end industrial personal computer is connect；The resistance R4 and capacitance C7
Tie point ground connection；The emitter of the triode Q1 is grounded, and collector is connected with the base stage of triode Q2；Three pole
The collector of pipe Q2 connects power supply.
The utility model compared with the prior art, has the following advantages and advantageous effect：The utility model can detect quilt
Working voltage, electric current and torque parameter of the measured motor under each operating mode, and the parameter detected is handled, improve inspection
The accuracy for surveying parameter, so as to more accurately assess the performance of tested motor.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the circuit structure diagram of the conditioning module of the utility model.
Fig. 3 is the circuit structure diagram of the amplification module 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 electric machine combination property pilot system of the utility model, including tested motor M, with quilt
Frequency converter, load motor, voltage-current sensor and the torque sensor that measured motor M is connected, are connected with frequency converter
Industrial personal computer, the conditioning module being connected with voltage-current sensor, and the amplification module that is connected with torque sensor；It is described
Conditioning module and amplification module are connected with industrial personal computer.
Specifically, the industrial personal computer is computer system, it is used to receive detection parameters and sends control instruction to frequency converter.
The frequency converter can control tested motor M work according to the instruction of industrial personal computer, which passes through Profibus buses and work
Control machine is connected.Load motor works for simulating tested motor M under various operating modes.Voltage-current sensor is for detecting quilt
Voltage and current signals when measured motor M works under various operating modes, conditioning module then to the voltage and current signal that detects into
Row processing, improves the accuracy of signal.The torque sensor is then used to detect torque letters of the tested motor M under various operating modes
Number, amplification module is then handled torque signal.
As shown in Fig. 2, the conditioning module includes amplifier P1, and capacitance C1, resistance R1, resistance R2, resistance R3, capacitance C2, electricity
Hold C3 and capacitance C4.
When connection, one end of capacitance C1 is connected after resistance R1 with the anode of amplifier P1, the other end is after resistance R2
It is connected with the anode of amplifier P1.Resistance R3 is serially connected between the cathode and output end of amplifier P1, capacitance C2 and resistance R3 phases
It is in parallel.One end of capacitance C3 is connected with the negative power end of amplifier P1, the other end is grounded.One end of capacitance C4 and amplifier P1 are just
Power end connection, other end ground connection.The tie point of the capacitance C1 and resistance R1 and the output end of voltage-current sensor connect.
The tie point of capacitance C1 and resistance R2 are grounded.The output end of amplifier P1 is connect with industrial personal computer, and negative power end and positive power source terminal are equal
Connect 12V power supplys.
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 industrial personal computer, the resistance value of resistance R1 is 3K Ω, and the resistance value of resistance R2 is
10KΩ.Capacitance C3 and capacitance C4 can make to be supplied to the voltage of amplifier P1 more to be stablized, the capacitance of capacitance C3 and capacitance C4
It is 10 μ F.An amplifier is collectively formed in amplifier P1, resistance R3 and capacitance C2, which can improve detection signal
Resolution ratio, resistance R3 are the negative feedback resistor of amplifier P1, can stablize the operating point of amplifier P1；The resistance value of resistance R20
Capacitance for 20K Ω, capacitance C2 is 0.01 μ F, the model AD811 of amplifier P1.
In addition, as shown in figure 3, the amplification module includes triode Q1, triode Q2, polar capacitor C5, polar capacitor C6,
Resistance R4, resistance R5, resistance R6, resistance R7 and capacitance C7.
Wherein, the anode of polar capacitor C5 is connected with the base stage of triode Q1, cathode is connected with torque sensor.
One end of resistance R4 is connected with the anode of polar capacitor C5, the other end is connect after capacitance C7 with the emitter of triode Q2.
Resistance R6 is in parallel with capacitance C7.The anode of polar capacitor C6 is connected with the collector of triode Q2, cathode is grounded.Resistance R5
It is serially connected between the anode of polar capacitor C6 and the collector of triode Q1.The collector phase of one end of resistance R7 and triode Q2
Connection, the connection of other end industrial personal computer.The tie point of the resistance R4 and capacitance C7 is grounded.The emitter of the triode Q1 connects
Ground, collector are connected with the base stage of triode Q2.The collector of the triode Q2 connects 12V power supplys.
Triode Q1, triode Q2 and resistance R5 form an amplifier, which believes the torque detected
It number is amplified, resistance R5 is the base biasing resistor of triode Q2, and the resistance value of resistance R5 is 33K Ω, the type of triode Q1
Number be 2N3565, the model 2N3904 of triode Q2.RC filtering links are then collectively formed in resistance R6 and capacitance C7, to amplification
Torque signal afterwards is filtered, and improves the precision of torque signal, and the resistance value of resistance R6 is 680 Ω, the appearance of capacitance C7
Value is 100 μ F.In addition, the capacitance of polar capacitor C5 is 0.47 μ F, the capacitance of polar capacitor C6 is 10 μ F, the resistance value of resistance R4
Resistance value for 150K Ω, resistance R7 is 560 Ω.The torque signal of torque sensor output is input to amplification after polar capacitor C5
Processing is amplified in device, amplified torque signal exports after resistance R7 to industrial personal computer.
As described above, the utility model can be realized well.
Claims (3)
1. a kind of new energy electric machine combination property pilot system, it is characterised in that：Including tested motor M, with tested motor M phases
Frequency converter, load motor, voltage-current sensor and the torque sensor of connection, the industrial personal computer being connected with frequency converter, with
The conditioning module that voltage-current sensor is connected, and the amplification module that is connected with torque sensor；The conditioning module
It is connected with industrial personal computer with amplification module.
2. a kind of new energy electric machine combination property pilot system according to claim 1, it is characterised in that：The conditioning mould
Block includes amplifier P1, one end is connected after resistance R1 with the anode of amplifier P1, the other end after resistance R2 with amplifier P1 just
The capacitance C1 that pole is connected, the resistance R3 being serially connected between the cathode and output end of amplifier P1, the capacitance being in parallel with resistance R3
C2, the positive power source terminal of one end is connected with the negative power end of amplifier P1, the other end is grounded capacitance C3 and one end and amplifier P1
The capacitance C4 that connection, the other end are grounded；The tie point of the capacitance C1 and resistance R1 and the output end of voltage-current sensor connect
It connects；The tie point of capacitance C1 and resistance R2 are grounded；The output end of amplifier P1 is connect with industrial personal computer, negative power end and positive power source terminal
Connect power supply.
3. a kind of new energy electric machine combination property pilot system according to claim 2, it is characterised in that：The amplification mould
Block includes triode Q1, triode Q2, and anode is connected with the base stage of triode Q1, the pole that cathode is connected with torque sensor
Property capacitance C5, one end is connected with the anode of polar capacitor C5, the other end is connect after capacitance C7 with the emitter of triode Q2
Resistance R4, the resistance R6 being in parallel with capacitance C7, anode is connected with the collector of triode Q2, the polarity of cathode ground connection is electric
Hold C6, the resistance R5 being serially connected between the anode of polar capacitor C6 and the collector of triode Q1 and one end and triode Q2
Collector be connected, the other end industrial personal computer connection resistance R7；The tie point of the resistance R4 and capacitance C7 is grounded；Described three
The emitter of pole pipe Q1 is grounded, and collector is connected with the base stage of triode Q2；The collector of the triode Q2 connects power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820212983.9U CN207924101U (en) | 2018-02-07 | 2018-02-07 | A kind of new energy electric machine combination property pilot system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820212983.9U CN207924101U (en) | 2018-02-07 | 2018-02-07 | A kind of new energy electric machine combination property pilot system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207924101U true CN207924101U (en) | 2018-09-28 |
Family
ID=63603432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820212983.9U Active CN207924101U (en) | 2018-02-07 | 2018-02-07 | A kind of new energy electric machine combination property pilot system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207924101U (en) |
-
2018
- 2018-02-07 CN CN201820212983.9U patent/CN207924101U/en active Active
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