CN106153228A - A kind of new forms of energy electric machine combination property test system - Google Patents
A kind of new forms of energy electric machine combination property test system Download PDFInfo
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- CN106153228A CN106153228A CN201610592742.7A CN201610592742A CN106153228A CN 106153228 A CN106153228 A CN 106153228A CN 201610592742 A CN201610592742 A CN 201610592742A CN 106153228 A CN106153228 A CN 106153228A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L3/00—Measuring torque, work, mechanical power, or mechanical efficiency, in general
- G01L3/02—Rotary-transmission dynamometers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
- G01R31/343—Testing dynamo-electric machines in operation
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- General Physics & Mathematics (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The invention discloses a kind of new forms of energy electric machine combination property test system, it is characterized in that, main by by measured motor, electric machine controller, electrical parameter measuring instrument and the torque sensor being connected with by measured motor respectively, the processing unit being connected with torque sensor respectively and loading motor, the loading motor controller being connected with loading motor etc. forms.Interference signal in torque signal can be filtered by the processing unit of the present invention, the impact excluding the interference signal, and the waveform of torque signal is calibrated, torque signal is avoided to reveal distortion, the present invention is made to reach 0.5%FS to the accuracy of detection being exported moment of torsion by measured motor, it is simple to tester judges to by the performance of measured motor.Meanwhile, the overall structure of the present invention is simple, with low cost, and this processing unit uses novel circuit structure, can effectively improve the treatment effeciency of torque signal.
Description
Technical field
The present invention relates to a kind of Motor Measuring System, specifically refer to a kind of new forms of energy electric machine combination property test system.
Background technology
At present, new forms of energy motor has been widely used in automotive field, in order to ensure the quality of new forms of energy motor, new forms of energy
Motor is required for testing its performance before dispatching from the factory, and requires to guarantee that its quality reaches to use.Generally use motor at present
The performances such as the operating voltage of new forms of energy motor, power, output moment of torsion are tested by test system, but, existing motor is surveyed
Test system cannot measure the output moment of torsion of new forms of energy motor accurately, thus causes the tester cannot be accurately to new forms of energy electricity
The performance of machine is estimated.
Content of the invention
It is an object of the invention to the output overcoming existing Motor Measuring System cannot measure new forms of energy motor accurately
The defect of moment of torsion, provides a kind of new forms of energy electric machine combination property test system.
The purpose of the present invention is achieved through the following technical solutions: a kind of new forms of energy electric machine combination property test system, mainly
By by measured motor, electric machine controller, electrical parameter measuring instrument and the torque sensor being connected with by measured motor respectively, respectively with torsion
Processing unit that square sensor is connected and loading motor, the loading motor controller being connected with loading motor, and simultaneously
The central processing unit composition being connected with electric machine controller, electrical parameter measuring instrument, processing unit and loading motor controller；Described
Processing unit is by processing chip U, and P pole is grounded after resistance R6, N pole meets the diode D3 of power supply, and minus earth, positive pole are through resistance
The electric capacity C3 being connected with the N pole of diode D3 after R8, one end is connected with the N pole of diode D3, the inductance of other end ground connection
L, positive pole is connected with the VOUT pin processing chip U, the electric capacity C5 of minus earth, P pole and the GND pin phase processing chip U
The diode D4 that connection, N pole are connected with the negative pole of electric capacity C5, positive pole is connected with the VMIN pin processing chip U, negative pole connects
The electric capacity C4 on ground, is serially connected in the resistance R7 processing between the CF pin of chip U and the negative pole of electric capacity C4, with the CF processing chip U
The signal amplification circuit that pin is connected, the interference filter being simultaneously connected with the FAULT pin processing chip U and VOUT pin
Circuit, and the signal calibration circuit composition being connected with interference filter circuit；The VIN pin of described process chip U and two poles
The P pole of pipe D3 is connected, its VDD pin is connected with the N pole of diode D3, SENSE pin is connected with the negative pole of electric capacity C5；
Described signal amplification circuit is connected with the N pole of diode D3；The input of described signal amplification circuit and torque sensor phase
Connect；The output of described signal calibration circuit is connected with central processing unit.
Further, described signal amplification circuit is by amplifier P1, triode VT1, FET MOS1, N pole and three poles
The diode D1 that the base stage of pipe VT1 is connected, P pole is sequentially grounded after resistance R1 and resistance R2, one end is with amplifier P1 just
The resistance R3 that pole is connected, the other end is connected with torque sensor, positive pole is connected with the P pole of diode D1, negative pole and three
The electric capacity C1 that the emitter stage of pole pipe VT1 is connected, is serially connected between the emitter stage of triode VT1 and the output of amplifier P1
Resistance R5, positive pole is connected with the output of amplifier P1, negative pole is connected with the grid of FET MOS1 after resistance R4
Electric capacity C2, and the diode that N pole is connected with the negative pole of amplifier P1, P pole is connected with the source electrode of FET MOS1
D2 forms；It is grounded while the colelctor electrode of described triode VT1 is connected with the N pole of diode D3；Described FET MOS1
Grounded drain；The output of described amplifier P1 is connected with the CF pin processing chip U.
Described interference filter electricity routing amplifier P2, amplifier P3, triode VT2, the positive pole phase of negative pole and amplifier P2
The electric capacity C7 that connection, positive pole are connected with the output of amplifier P2 after resistance R12, negative pole is connected with the positive pole of electric capacity C7
Connect, electric capacity C6 that positive pole is connected with the FAULT pin of process chip U, negative pole is connected with the positive pole of amplifier P2, positive pole connects
The electric capacity C8 of power supply, the resistance R14 being serially connected between the output of amplifier P2 and the positive pole of amplifier P3, be serially connected in amplifier
Resistance R15 between the negative pole of P3 and output, positive pole is connected with the positive pole of amplifier P3, the output of negative pole and amplifier P3
The electric capacity C11 that end is connected, the electric capacity that positive pole is connected with the positive pole of amplifier P3, negative pole is connected with signal calibration circuit
C10, and the electric capacity C12 composition that positive pole is connected with the negative pole of electric capacity C10, negative pole is connected with the output of amplifier P3；
The base stage of described triode VT2 is connected with the positive pole of amplifier P2, its emitter stage is connected with the output of amplifier P2, collects
Electrode is connected with signal calibration circuit；The negative pole of described amplifier P2 VOUT pin and the signal school with process chip U simultaneously
Quasi-circuit is connected.
Described signal calibration circuit is by triode VT3, triode VT4, triode VT5, and FET MOS2, N pole is sequentially
Be grounded after resistance R9 through resistance R10, P pole and the diode D5 that is connected of VOUT pin processing chip U, N pole and triode
The Zener diode D6 that the base stage of VT3 is connected, P pole is connected with the P pole of diode D5, be serially connected in diode D5 P pole and
Resistance R11 between the N pole of Zener diode D6, positive pole is connected with the base stage of triode VT3, negative pole and triode VT4
The electric capacity C9 that base stage is connected, one end is connected with the colelctor electrode of triode VT4, the resistance R13 of another termination power, is serially connected in
Resistance R16 between the collector and emitter of triode VT5, negative pole is connected with the emitter stage of triode VT5, positive pole and field
The electric capacity C13 that the drain electrode of effect pipe MOS2 is connected, and P pole is connected with the drain electrode of FET MOS2, N pole is as this letter
Number calibration circuit output diode D7 composition；The emitter stage of described triode VT3 is connected with the colelctor electrode of triode VT2
Connect, its colelctor electrode is connected with the grid of FET MOS2；The drain electrode of described FET MOS2 and the negative pole phase of electric capacity C10
Connect, its source electrode is connected with the colelctor electrode of triode VT5；The base stage of described triode VT5 and the colelctor electrode phase of triode VT4
Connect, its emitter stage is connected with the emitter stage of triode VT4；The base stage of described triode VT4 is with resistance R9's and resistance R10
Tie point is connected；The output of described signal calibration circuit is connected with central processing unit.
Described process chip U is the integrated chip of TC642.
The present invention compared with the prior art, has the following advantages and beneficial effect:
(1) the interference signal in torque signal can be filtered by the processing unit of the present invention, excludes the interference signal
Impact, and the waveform of torque signal is calibrated, it is to avoid torque signal reveals distortion, makes the present invention export to by measured motor
The accuracy of detection of moment of torsion reaches 0.5%FS, it is simple to tester judges to by the performance of measured motor.
(2) overall structure of the present invention is simple, with low cost, and this processing unit uses novel circuit structure, permissible
The effective treatment effeciency improving torque signal.
Brief description
Fig. 1 is the overall structure block diagram of the present invention.
Fig. 2 is the circuit structure diagram of the processing unit of the present invention.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to
This.
Embodiment
As it is shown in figure 1, the present invention is mainly by by measured motor, the electric machine controller being connected with by measured motor respectively, electricity ginseng
Number measuring instrument and torque sensor, the processing unit being connected with torque sensor respectively and loading motor, with loading motor phase
The loading motor controller connecting, and control with electric machine controller, electrical parameter measuring instrument, processing unit and loading motor simultaneously
The central processing unit composition that device is connected
Wherein, electric machine controller is for control by the rotating speed of measured motor and start and stop, uses CNC step motor control able to programme
Device realizes.Electrical parameter measuring instrument is for test by parameters such as the voltage of measured motor, electric current, electrical power, and it uses PM5350 electricity
Measurement of force instrument realizes.This torque sensor is connected with by measured motor and loading motor respectively by shaft joint, is used for
Using the torque signal being exported by measured motor, it uses the GB-DTS torque sensing that Beijing Gong Biao Sensotech Ltd. produces
Device realizes.Processing unit is for processing to torque signal.Loading motor is provided load for giving by measured motor；Load electricity
Machine controller is then for the work of controlled loading motor.This central processing unit is as the control centre of the present invention, and it uses AT89S52
Single-chip microcomputer realizes.The P0.1 pin of this AT89S52 single-chip microcomputer is connected with electric machine controller, its P3.2 pin then with electrical quantity
Measuring instrument is connected, and P3.3 pin is then connected with processing unit, and P0.2 pin is connected with loading motor controller.This central authorities
Processor can send control instruction to electric machine controller and loading motor controller, and receive and joined by the properties of measured motor
Number.
In order to preferably implement the present invention, the present invention can also arrange keyboard and display, this keyboard and AT89S52 monolithic
The P3.5 pin of machine is connected, and tester can input control instruction by keyboard to central processing unit.This display then with
The P0.3 pin of AT89S52 single-chip microcomputer is connected, and it is for showing by the various performance parameters of measured motor.
In order to preferably test to by the output moment of torsion of measured motor, as in figure 2 it is shown, this described processing unit is by processing
Chip U, P pole is grounded after resistance R6, N pole meets the diode D3 of power supply, minus earth, positive pole after resistance R8 with diode D3
The electric capacity C3 that is connected of N pole, one end is connected with the N pole of diode D3, the inductance L of other end ground connection, positive pole with process core
The VOUT pin of piece U is connected, the electric capacity C5 of minus earth, and P pole is connected with the GND pin processing chip U, N pole and electric capacity
The diode D4 that the negative pole of C5 is connected, positive pole is connected with the VMIN pin processing chip U, the electric capacity C4 of minus earth, string
It is connected on the resistance R7 processing between the CF pin of chip U and the negative pole of electric capacity C4, the letter being connected with the CF pin processing chip U
Number amplifying circuit, the interference filter circuit being simultaneously connected with the FAULT pin processing chip U and VOUT pin, and with dry
Disturb the signal calibration circuit composition that filter circuit is connected.
Meanwhile, the VIN pin processing chip U is connected with the P pole of diode D3, the N pole of its VDD pin and diode D3
Be connected, SENSE pin is connected with the negative pole of electric capacity C5.Described signal amplification circuit is connected with the N pole of diode D3.Institute
The input stating signal amplification circuit is connected with torque sensor；The output of described signal calibration circuit and central processing unit
It is connected.In order to preferably implement the present invention, described process chip U preferentially uses the integrated chip of TC642.
Wherein, this signal amplification circuit is by amplifier P1, triode VT1, FET MOS1, resistance R1, resistance R2, electricity
Resistance R3, resistance R4, resistance R5, diode D1, diode D2, electric capacity C1 and electric capacity C2 composition.
The N pole of this diode D1 is connected with the base stage of triode VT1, P pole is sequentially grounded after resistance R1 and resistance R2.
One end of resistance R3 is connected with torque sensor, the other end is then connected with the positive pole of amplifier P1.The positive pole of electric capacity C1 with
The P pole of diode D1 is connected, negative pole is connected with the emitter stage of triode VT1.Resistance R5 is serially connected in the transmitting of triode VT1
Between the output of pole and amplifier P1.The positive pole of electric capacity C2 is connected with the output of amplifier P1, negative pole is after resistance R4
It is connected with the grid of FET MOS1.The N pole of diode D2 is connected with the negative pole of amplifier P1, P pole and FET
The source electrode of MOS1 is connected.
It is grounded while the colelctor electrode of described triode VT1 is connected with the N pole of diode D3.Described FET MOS1
Grounded drain.The output of described amplifier P1 is connected with the CF pin processing chip U.
This interference filter electricity routing amplifier P2, amplifier P3, triode VT2, resistance R12, resistance R14, resistance R15,
Electric capacity C6, electric capacity C7, electric capacity C8, electric capacity C10, electric capacity C11 and electric capacity C12 form.
During connection, the negative pole of electric capacity C7 is connected with the positive pole of amplifier P2, positive pole after resistance R12 with amplifier P2's
Output is connected.The negative pole of electric capacity C6 is connected with the positive pole of electric capacity C7, positive pole is connected with the FAULT pin of process chip U
Connect.The negative pole of electric capacity C8 is connected with the positive pole of amplifier P2, positive pole connects power supply.Resistance R14 is serially connected in the output of amplifier P2
Between end and the positive pole of amplifier P3.Resistance R15 is serially connected between negative pole and the output of amplifier P3.The positive pole of electric capacity C11
Be connected with the positive pole of amplifier P3, negative pole is connected with the output of amplifier P3.The positive pole of electric capacity C10 is with amplifier P3's
Positive pole is connected, negative pole is connected with signal calibration circuit.The positive pole of electric capacity C12 is connected with the negative pole of electric capacity C10, negative pole with
The output of amplifier P3 is connected.
The base stage of described triode VT2 is connected with the positive pole of amplifier P2, the output of its emitter stage and amplifier P2
Be connected, colelctor electrode is connected with signal calibration circuit.The negative pole of the described amplifier P2 VOUT pin with process chip U simultaneously
It is connected with signal calibration circuit.
In addition, described signal calibration circuit is by triode VT3, triode VT4, triode VT5, FET MOS2, electricity
Resistance R9, resistance R10, resistance R11, resistance R13, resistance R16, diode D5, Zener diode D6, diode D7, electric capacity C9 with
And electric capacity C13 composition.
During connection, the N pole of diode D5 sequentially ground connection, P pole and the VOUT processing chip U after resistance R10 and resistance R9
Pin is connected.The N pole of Zener diode D6 is connected with the base stage of triode VT3, P pole is connected with the P pole of diode D5.
Resistance R11 is serially connected between the P pole of diode D5 and the N pole of Zener diode D6.The positive pole of electric capacity C9 and the base of triode VT3
Pole is connected, negative pole is connected with the base stage of triode VT4.One end of resistance R13 is connected with the colelctor electrode of triode VT4,
Another termination power.Resistance R16 is serially connected between the collector and emitter of triode VT5.The negative pole of electric capacity C13 and triode
The emitter stage of VT5 is connected, positive pole is connected with the drain electrode of FET MOS2.The P pole of diode D7 and FET MOS2
Drain electrode be connected, N pole is as the output of this signal calibration circuit and is connected with central processing unit.
The emitter stage of described triode VT3 is connected with the colelctor electrode of triode VT2, its colelctor electrode and FET MOS2
Grid be connected.The drain electrode of described FET MOS2 is connected with the negative pole of electric capacity C10, its source electrode and triode VT5
Colelctor electrode is connected.The base stage of described triode VT5 is connected with the colelctor electrode of triode VT4, its emitter stage and triode VT4
Emitter stage be connected.The base stage of described triode VT4 is connected with the tie point of resistance R9 and resistance R10.
During work, tester from central processing unit send control instruction to electric machine controller and loading motor controller,
Electric machine controller is then controlled to by measured motor according to control instruction, loading motor controller then according to control instruction to loading
Motor is controlled, thus simulation is worked under various operating modes by measured motor.Now electrical parameter measuring instrument then exists to by measured motor
The performance parameters such as voltage during each operating mode, electric current, electrical power detect, and will detection signal back central processing unit.
Meanwhile, torque sensor detects to by the output moment of torsion of measured motor, and detection signal feeds back to after processing unit processes
Central processing unit, tester is recognized by the performance of measured motor by central processing unit.
Interference signal in torque signal can be filtered by the processing unit of the present invention, the shadow excluding the interference signal
Ring, and the waveform of torque signal is calibrated, it is to avoid torque signal reveals distortion, makes the present invention export torsion to by measured motor
The accuracy of detection of square reaches 0.5%FS, it is simple to tester judges to by the performance of measured motor.Meanwhile, the present invention's is whole
Body simple in construction, with low cost, and the circuit structure that the employing of this processing unit is novel, can effectively improve the place of torque signal
Reason efficiency.
As described above, just can well implement the present invention.
Claims (5)
1. new forms of energy electric machine combination property test system, it is characterised in that mainly by by measured motor, respectively with by measured motor
Electric machine controller, electrical parameter measuring instrument and the torque sensor being connected, the processing unit being connected with torque sensor respectively
And loading motor, the loading motor controller being connected with loading motor, and simultaneously with electric machine controller, electric parameter measurement
The central processing unit composition that instrument, processing unit are connected with loading motor controller；Described processing unit by processing chip U, P pole
After resistance R6, ground connection, N pole meet the diode D3 of power supply, and minus earth, positive pole are extremely connected with the N of diode D3 after resistance R8
The electric capacity C3 connecing, one end is connected with the N pole of diode D3, the inductance L of other end ground connection, positive pole and the VOUT processing chip U
Pin is connected, the electric capacity C5 of minus earth, and P pole is connected with the GND pin processing chip U, the negative pole phase of N pole and electric capacity C5
The diode D4 connecting, positive pole is connected with the VMIN pin processing chip U, the electric capacity C4 of minus earth, is serially connected in process core
Resistance R7 between the CF pin of piece U and the negative pole of electric capacity C4, the signal being connected with the CF pin processing chip U amplifies electricity
Road, the interference filter circuit being simultaneously connected with the FAULT pin processing chip U and VOUT pin, and electric with interference filter
The signal calibration circuit composition that road is connected；The described process VIN pin of chip U is connected with the P pole of diode D3, its VDD
Pin is connected with the N pole of diode D3, SENSE pin is connected with the negative pole of electric capacity C5；Described signal amplification circuit and two
The N pole of pole pipe D3 is connected；The input of described signal amplification circuit is connected with torque sensor；Described signal calibration circuit
Output be connected with central processing unit.
2. a kind of new forms of energy electric machine combination property test system according to claim 1, it is characterised in that: described signal is put
Big electricity routing amplifier P1, triode VT1, FET MOS1, N pole is connected with the base stage of triode VT1, P pole sequentially warp
The diode D1 of ground connection after resistance R1 and resistance R2, one end is connected with the positive pole of amplifier P1, the other end and torque sensor
The resistance R3 being connected, the electric capacity that P pole is connected, negative pole is connected with the emitter stage of triode VT1 of positive pole and diode D1
The output of C1, the resistance R5 being serially connected between the emitter stage of triode VT1 and the output of amplifier P1, positive pole and amplifier P1
The electric capacity C2 that end is connected, negative pole is connected with the grid of FET MOS1 after resistance R4, and N pole is with amplifier P1's
The diode D2 composition that negative pole is connected, P pole is connected with the source electrode of FET MOS1；The colelctor electrode of described triode VT1
It is grounded while being connected with the N pole of diode D3；The grounded drain of described FET MOS1；The output of described amplifier P1
End is connected with the CF pin processing chip U.
3. a kind of new forms of energy electric machine combination property test system according to claim 2, it is characterised in that: described interference filter
Wave circuit is by amplifier P2, amplifier P3, triode VT2, and negative pole is connected with the positive pole of amplifier P2, positive pole is through resistance R12
The electric capacity C7 being connected with the output of amplifier P2 afterwards, negative pole is connected with the positive pole of electric capacity C7, positive pole and process chip U
The electric capacity C6 that FAULT pin is connected, negative pole is connected with the positive pole of amplifier P2, positive pole meets the electric capacity C8 of power supply, is serially connected in
Resistance R14 between the positive pole of the output of amplifier P2 and amplifier P3, be serially connected in the negative pole of amplifier P3 and output it
Between resistance R15, the electric capacity C11 that positive pole is connected with the positive pole of amplifier P3, negative pole is connected with the output of amplifier P3,
The electric capacity C10 that positive pole is connected with the positive pole of amplifier P3, negative pole is connected with signal calibration circuit, and positive pole and electric capacity
The electric capacity C12 composition that the negative pole of C10 is connected, negative pole is connected with the output of amplifier P3；The base stage of described triode VT2
Be connected with the positive pole of amplifier P2, its emitter stage is connected with the output of amplifier P2, colelctor electrode and signal calibration circuit
It is connected；The negative pole of described amplifier P2 is connected with the VOUT pin processing chip U and signal calibration circuit simultaneously.
4. a kind of new forms of energy electric machine combination property test system according to claim 3, it is characterised in that: described signal school
Quasi-circuit is by triode VT3, triode VT4, triode VT5, and FET MOS2, N pole is sequentially after resistance R10 and resistance R9
The diode D5 that ground connection, P pole are connected with the VOUT pin processing chip U, N pole is connected with the base stage of triode VT3, P pole
The Zener diode D6 being connected with the P pole of diode D5, be serially connected in the P pole of diode D5 and Zener diode D6 N pole it
Between resistance R11, the electric capacity C9 that positive pole is connected with the base stage of triode VT3, negative pole is connected with the base stage of triode VT4,
One end is connected with the colelctor electrode of triode VT4, the resistance R13 of another termination power, be serially connected in triode VT5 colelctor electrode and
Resistance R16 between emitter stage, negative pole is connected with the emitter stage of triode VT5, the drain electrode phase of positive pole and FET MOS2
The electric capacity C13 connecting, and P pole is connected with the drain electrode of FET MOS2, N pole is as the output of this signal calibration circuit
Diode D7 composition；The emitter stage of described triode VT3 is connected with the colelctor electrode of triode VT2, its colelctor electrode is imitated with field
Should the grid of pipe MOS2 be connected；The drain electrode of described FET MOS2 is connected with the negative pole of electric capacity C10, its source electrode and three poles
The colelctor electrode of pipe VT5 is connected；The base stage of described triode VT5 is connected with the colelctor electrode of triode VT4, its emitter stage and three
The emitter stage of pole pipe VT4 is connected；The base stage of described triode VT4 is connected with the tie point of resistance R9 and resistance R10；Described
The output of signal calibration circuit is connected with central processing unit.
5. a kind of new forms of energy electric machine combination property test system according to claim 4, it is characterised in that: described process core
Piece U is the integrated chip of TC642.
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| CN201610592742.7A CN106153228A (en) | 2016-07-25 | 2016-07-25 | A kind of new forms of energy electric machine combination property test system |
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| CN201610592742.7A CN106153228A (en) | 2016-07-25 | 2016-07-25 | A kind of new forms of energy electric machine combination property test system |
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Cited By (1)
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| CN111215965A (en) * | 2019-11-28 | 2020-06-02 | 华中科技大学 | Device and method for measuring dynamic torque of alternating current permanent magnet synchronous motor of machine tool feeding system |
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Application publication date: 20161123 |