CN202512217U - Test system of PG motor - Google Patents
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- CN202512217U CN202512217U CN2012201670172U CN201220167017U CN202512217U CN 202512217 U CN202512217 U CN 202512217U CN 2012201670172 U CN2012201670172 U CN 2012201670172U CN 201220167017 U CN201220167017 U CN 201220167017U CN 202512217 U CN202512217 U CN 202512217U
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Abstract
The utility model provides a test system of PG motor for the unable problem of simulating various harmonic interference of test system of PG motor among the solution prior art. The test system of the PG motor comprises a power supply device, a zero-crossing detection device, a test signal generation device and a signal verification device, wherein the test signal generation device is used for acquiring a test instruction of a tester and a power supply zero-crossing signal generated by the zero-crossing detection device, generating a test signal according to the test instruction and the zero-crossing signal and transmitting the test signal to a control board of the PG motor to be tested; the signal verification device verifies whether the driving signal is normal or not by acquiring the driving signal output by the control panel of the tested PG motor, so that zero-crossing test signals corresponding to various power supply harmonic signals can be simulated according to the requirements of testers, the control panel of the tested PG motor is fully verified, the working efficiency of testing is improved, and the quality of testing is ensured.
Description
Technical field
The utility model relates to field tests, relates in particular to a kind of test macro of PG motor.
Background technology
In air conditioner, PG (output of Pulse Generator motor tape pulse) motor can be widely used in indoor set to the advantage of the steady adjusting of wind speed because of it at present.The principle of work of PG motor is for to obtain the timing benchmark through zero passage detection, more current rotating speed and rotating speed of target, and the ON time of control bidirectional triode thyristor changes the input voltage of motor, thus the adjustment rotating speed of motor is consistent with rotating speed of target.Therefore the zero passage detection algorithm of PG motor has bigger influence to the speed governing of PG motor.
Use along with present various household electrical appliances; And the coming into operation of different types of TRT; Harmonic wave situation in the electrical network is more and more serious now; The various supply harmonic situation that this just needs the control system of PG motor consider to occur, but the test macro of PG motor is to utilize variable-frequency power sources cabinet regulate supply frequency with adjustment zero cross signal to the PG motor to the verification method of influence of harmonic about supply harmonic at present, but in concrete test process, can have following defective:
Need be replaced by the motor of corresponding frequencies when 1,50Hz and 60Hz test.
2, existing variable-frequency power sources cabinet can only provide the power supply of fixed frequencies such as 50Hz, 60Hz, 100Hz, 200Hz, 400Hz, and the power supply of 25Hz, 30Hz, 120Hz or other optional frequency can't be provided.
3, the PG motor can't move under the power supply situation of frequency greater than 100Hz;
4, the power supply that provides of variable-frequency power sources cabinet can't conversion goes out to widen or subtracts narrow zero cross signal, perhaps goes out disappearance according to tester's test request conversion or increases the zero cross signal of pulse.
To sum up can know, utilize the change of variable-frequency power sources cabinet that the test room of PG motor power frequency is tested the serviceability of PG motor and can't satisfy various harmonic wave situation in the simulation electrical network.
Can't simulate the problem of various harmonic interference to the test macro of the PG motor that exists in the prior art, not propose effective solution at present as yet.
The utility model content
The fundamental purpose of the utility model provides a kind of test macro of PG motor, can't simulate various harmonic interference problems with the test macro that solves PG motor of the prior art.
To achieve these goals, according to an aspect of the utility model, a kind of test macro of PG motor is provided.The test macro of this PG motor; Comprise electric supply installation, zero crossing detection device, test signal generation device and signal authentication device; Wherein, Electric supply installation is connected respectively with tested PG Electric Machine Control plate with zero crossing detection device, is used for to zero crossing detection device and tested PG Electric Machine Control plate same power supply being provided; Zero crossing detection device is connected with the test signal generation device, is used for producing according to same power supply the zero cross signal of this power supply, and zero cross signal is transferred to the test signal generation device; The test signal generation device is connected with tested PG Electric Machine Control plate with zero crossing detection device respectively; Be used to obtain tester's test instruction and zero cross signal; And produce test signal, and test signal is transferred to tested PG Electric Machine Control plate according to test instruction and zero cross signal; The signal authentication device is connected with tested PG Electric Machine Control plate, be used to obtain the drive signal of tested PG Electric Machine Control plate output, and whether the checking drive signal is normal.
Further, the test signal of test signal generation device generation is a two-way; Test macro also comprises signal processing apparatus; Signal processing apparatus is arranged between test signal generation device and the tested PG Electric Machine Control plate; Be used for the two-way test signal that the test signal generation device produces is integrated into one road square-wave test signal, and the square-wave test signal is transferred to tested PG Electric Machine Control plate.
Further, signal processing apparatus comprises one or gate logic.
Further, electric supply installation comprises: power supply; Power input interface is connected with power supply, is used for voltage transmission to the circuit output interface with power supply; At least the power output interface of two-way parallel connection is connected with tested PG Electric Machine Control plate with zero crossing detection device respectively.
Further, the test signal generation device comprises: man-machine interaction unit is used for acceptance test personnel's test instruction; The zero cross signal receiving element is used to receive zero cross signal; Processing unit is connected with the zero cross signal receiving element with man-machine interaction unit, is used for the test signal of test instruction and zero cross signal generation is carried out calculation process; The test signal output unit is connected with processing unit, is used for exporting test signal according to the calculation process result of processing unit.
Further, the zero cross signal receiving element comprises the input interface of pci data capture card; The test signal output unit comprises the output interface of pci data capture card; Processing unit comprises the virtual instrument that is made up by LABVIEW.
Further, zero cross signal receiving element and test signal output unit use the distinct interface of same pci data capture card.
Whether further, the signal authentication device comprises the waveform capture unit, is used to obtain the waveform of drive signal, and the signal authentication device compares the waveform and the target output waveform of drive signal, and normal according to comparative result checking drive signal.
In the utility model; The test macro of the PG motor through adopting said structure; Make the test signal generation device obtain tester's test instruction and zero cross signal, and produce test signal, test signal is transferred to tested PG Electric Machine Control plate according to test instruction and zero cross signal; The signal authentication device is through obtaining the drive signal of tested PG Electric Machine Control plate output; Whether normal with the checking drive signal; The test macro that can make the PG motor simulates the corresponding zero cross signal of various supply harmonic signals according to tester's requirement; So that tested PG Electric Machine Control plate is fully verified, improved the work efficiency of test, guaranteed the quality of test.
Description of drawings
Figure of description is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the synoptic diagram according to the test macro of the PG motor of the utility model embodiment one;
Fig. 2 is the synoptic diagram according to the electric supply installation of the test macro of the PG motor of the utility model embodiment one;
Fig. 3 is the circuit theory diagrams according to the zero crossing detection device of the test macro of the PG motor of the utility model embodiment one;
Fig. 4 is the synoptic diagram according to the test signal generation device of the test macro of the PG motor of the utility model embodiment one;
Fig. 5 is the synoptic diagram according to the test macro of the PG motor of the utility model embodiment two;
Fig. 6 A is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal waveform of 50Hz (or 60Hz) power supply of standard;
Fig. 6 B is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the first supply harmonic signal;
Fig. 6 C is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of second source harmonic signal;
Fig. 6 D is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the 3rd supply harmonic signal;
Fig. 6 E is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the 4th supply harmonic signal;
Fig. 6 F is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the 5th supply harmonic signal;
Fig. 6 G is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the 6th supply harmonic signal;
Fig. 6 H is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the 7th supply harmonic signal;
Fig. 6 I is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the 8th supply harmonic signal; And
Fig. 7 is the synoptic diagram according to the method for testing of the PG motor of the utility model embodiment.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.Below with reference to accompanying drawing and combine embodiment to specify the utility model.
Fig. 1 is the synoptic diagram according to the test macro of the PG motor of the utility model embodiment one; As shown in the figure; The PG Motor Measuring System of the utility model embodiment comprises: electric supply installation 11, zero crossing detection device 13, test signal generation device 15 and signal authentication device 17; Wherein, electric supply installation 11 is connected respectively with tested PG Electric Machine Control plate 19 with zero crossing detection device 13, and being used for provides same power supply to zero crossing detection device 13 and tested PG Electric Machine Control plate 19; Zero crossing detection device 13 is connected with test signal generation device 15, is used for producing according to same power supply the zero cross signal of this power supply, and zero cross signal is transferred to test signal generation device 15; Test signal generation device 15 is connected with tested PG Electric Machine Control plate 19 with zero crossing detection device 13 respectively; Be used to obtain tester's test instruction and zero cross signal; And produce test signal, and test signal is transferred to tested PG Electric Machine Control plate 19 according to test instruction and zero cross signal; Signal authentication device 17 is connected with tested PG Electric Machine Control plate 19, be used to obtain the drive signal of tested PG Electric Machine Control plate 19 outputs, and whether the checking drive signal is normal.Electric supply installation 11 respectively to the multiple arrangement power supply, has guaranteed that power supply signal phase place and amplitude are in full accord with one road power supply.The test signal that test signal generation device 15 produces through calculating and simulation to test instruction and zero cross signal can satisfy the corresponding zero cross signal of the various supply harmonics of output, thereby has guaranteed the adequacy of test.
Fig. 2 is the synoptic diagram according to the electric supply installation of the test macro of the PG motor of the utility model embodiment one; As shown in the figure; This electric supply installation 11 specifically can comprise: power supply 21, power input interface 23, power output interface 25; Wherein, power supply 21 can comprise alternating-current voltage source and transformer, and alternating-current voltage source both provided power supply to zero crossing detection device 13 and tested PG Electric Machine Control plate 19; Also be the signal source that zero crossing detection device 13 produces zero cross signal, transformer is transformed to supply voltage the load voltage value of zero crossing detection device 13 and tested PG Electric Machine Control plate.Power supply access interface 23 is connected with power supply 21, is used for voltage transmission to the circuit output interface 25 with power supply 21.The electric supply installation of the test macro of the PG motor of the utility model embodiment comprises the power output interface 25 of two-way parallel connection at least, is connected with tested PG Electric Machine Control plate 19 with zero crossing detection device 13 respectively, and other power output interface 25 can be reserved.
Fig. 3 is the circuit theory diagrams according to the zero crossing detection device of the test macro of the PG motor of the utility model embodiment one; As shown in the figure; AC power is connected with the output of diode bridge full-wave rectifying circuit, the direct current of diode bridge full-wave rectifying circuit output ripple, and the direct current of this pulsation is connected with first end of divider resistance R3 and the base stage of NPN triode Q1 through behind two resistance R 1 and the R2 parallel circuit; The second end ground connection of this divider resistance R3, capacitor C 1 is parallelly connected with R3.Use the voltage of first end of divider resistance R3 that the conducting of Q1 is controlled.When the base voltage of Q1 during greater than the forward voltage of Q1, Q1 conducting, collector is dragged down; When the base voltage of Q1 during less than the forward voltage of Q1, Q1 closes, and the current-collector of Q1 is drawn high by direct supply Vcc.Because the voltage of base stage most of the time is higher than forward voltage, few part-time is only arranged less than forward voltage, so the collector most of the time is to be in low level state.Thereby the voltage waveform of collector terminal has just formed square-wave pulse, during cycle of this square-wave pulse 2 times of output AC point.The output voltage signal of collector is exactly the zero cross signal of input power supply, and through lead-out terminal J1 output.The device that this zero crossing detection device uses is less, and the conduction voltage drop that utilizes triode is as the threshold voltage that produces square wave, and functional reliability is higher.
Fig. 4 is the synoptic diagram according to the test signal generation device of the test macro of the PG motor of the utility model embodiment one, and is as shown in the figure, and test signal generation device 15 comprises: man-machine interaction unit 41 is used for acceptance test personnel's test instruction; Zero cross signal receiving element 43 is used to receive zero cross signal; Processing unit 45 is connected with zero cross signal receiving element 43 with man-machine interaction unit 41, is used for calculation process is carried out in test instruction and zero cross signal generation test signal; Test signal output unit 47 is connected with processing unit 45, is used for exporting test signal according to the calculation process result of processing unit 45.Processing unit 45 can use signal generating Instrument, according to actual testing requirement, generates test signal.
Wherein, zero cross signal receiving element 43 can comprise the input IO of pci data capture card; Processing unit 45 comprises the virtual instrument that is made up by LABVIEW (Laboratory Virtual Instrument Engineering Workbench); Test signal output unit 47 can comprise the output IO of pci data capture card.Preferably, zero cross signal receiving element 43 uses the distinct interface of same pci data capture card respectively with test signal output unit 47, thereby saves cost.Therefore can preferentially select to have the pci data capture card of multichannel input, output interface, a kind of pci data capture card model of recommendation is the PCI-6229 of NI company (American National instrument company).The virtual instrument that LABVIEW makes up can receive test instruction according to man-machine interaction unit 41 and export the test signal that meets test instruction through computing, and above-mentioned test signal is to the supply harmonic waveform in requisition for simulation.The test signal generation device 15 that virtual instrument that LABVIEW makes up and pci data capture card are formed; The programming difficulty is less; Versatility is high, adopts the test signal generation device 15 of this form can improve the speed of measuring system constructing, utilizes fexible unit also to reduce cost.Under the situation that the virtual instrument that LABVIEW makes up is supported, above-mentioned zero cross signal receiving element 43 also can use the data collecting card of usb bus or the data collecting card of pcmcia bus with test signal output unit 47.
Whether above-mentioned signal authentication device 17 can comprise the waveform capture unit, is used to obtain the waveform of drive signal, and the signal authentication device compares the waveform and the target output waveform of drive signal, and normal according to comparative result checking drive signal.The waveform capture unit can use devices such as oscillograph.Signal authentication device 17 equally also can use various signal analysis devices, and for the use waveform compared, intuitive was relatively poor.
Fig. 5 is the synoptic diagram according to the test macro of the PG motor of the utility model embodiment two; As shown in the figure; Compare with the test macro of the PG motor of the utility model embodiment one; The test macro of the PG motor of the utility model embodiment two also comprises signal processing apparatus 51, is arranged between test signal generation device 15 and the tested PG Electric Machine Control plate 19, and the test signal that test signal generation device 15 produces is a two-way; Signal processing apparatus 51 is integrated into one road square-wave test signal with the two-way test signal that test signal generation device 15 produces, and the square-wave test signal is transferred to tested PG Electric Machine Control plate 19.Signal processing apparatus 51 can comprise one or gate logic, can be through all high level pulses of two-way test signal.After utilizing signal processing apparatus 51, can simulate the corresponding zero cross signal of more supply harmonic.
The test macro of the PG motor of above embodiment is reference with the desirable zero cross signal that 50Hz or 60Hz were produced; Simulate the zero cross signal of the voltage of the harmonic wave situation that possibly exist; And this signal is connected to the zero passage detection signal port of tested PG Electric Machine Control plate 19; Before testing, the tester breaks off the zero passage detection signal port of tested PG Electric Machine Control plate 19 with zero cross detection circuit own.
Fig. 6 is the synoptic diagram of test result of test macro of the PG motor of the utility model embodiment: Fig. 6 A is that waveform 1 is the zero cross signal of the 50Hz (or 60Hz) of standard according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal waveform of 50Hz (or 60Hz) power supply of standard; Waveform 2 is drive signal waveform of test result, if connect is the 50Hz alternating current, the standard zero cross signal cycle is 10ms so, is the 60Hz alternating current as if connect, and the cycle of standard zero cross signal cycle between being is 8.33ms so
Fig. 6 B is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the first supply harmonic signal; The zero cross signal of first supply harmonic signal correspondence is on the basis of the standard zero cross signal of 50Hz (or 60Hz); Utilize test signal generation device 15; Between two adjacent square waves of standard zero cross signal, add a square-wave signal, utilize such method of testing can realize the test of the zero cross signal that the power supply signal of 100Hz (or 120Hz) is corresponding.In the drawings, waveform 1 is the corresponding zero cross signal of 50Hz (or 60Hz) power supply of standard, is used for contrast and uses; Waveform 2 is the corresponding zero cross signals of the first supply harmonic signal, and waveform 3 is drive signal waveform of test result.
Fig. 6 C is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of second source harmonic signal; The zero cross signal of second source harmonic signal correspondence is on the basis of the standard zero cross signal of 50Hz (or 60Hz); Utilize test signal generation device 15; Between two adjacent square waves of standard zero cross signal, remove a square wave, utilize such method of testing can realize the test of the zero cross signal that the power supply signal of 25Hz (or 30Hz) is corresponding.In the drawings, waveform 1 is the corresponding zero cross signal of 50Hz (or 60Hz) power supply of standard, is used for contrast and uses; Waveform 2 is the corresponding zero cross signals of second source harmonic signal, and waveform 3 is drive signal waveform of test result.
Fig. 6 D is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the 3rd supply harmonic signal; The zero cross signal of the 3rd supply harmonic signal correspondence is on the basis of the standard zero cross signal of 50Hz (or 60Hz); Utilize test signal generation device 15; Between two adjacent square waves of standard zero cross signal, add two square-wave signals, utilize such method of testing can realize the test of the zero cross signal that the power supply signal of 150Hz (or 180Hz) is corresponding.In the drawings, waveform 1 is the corresponding zero cross signal of 50Hz (or 60Hz) power supply of standard, is used for contrast and uses; Waveform 2 is the corresponding zero cross signals of the 3rd supply harmonic signal, and waveform 3 is drive signal waveform of test result.
Fig. 6 E is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the 4th supply harmonic signal; The zero cross signal of the 4th supply harmonic signal correspondence is on the basis of the standard zero cross signal of 50Hz (or 60Hz); Utilize test signal generation device 15, between per three the adjacent square waves of standard zero cross signal, remove two square waves, in the drawings; Waveform 1 is the corresponding zero cross signal of 50Hz (or 60Hz) power supply of standard, is used for contrast and uses; Waveform 2 is the corresponding zero cross signals of the 4th supply harmonic signal, and waveform 3 is drive signal waveform of test result.
Fig. 6 F is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the 5th supply harmonic signal; The zero cross signal of the 5th supply harmonic signal correspondence is on the basis of the standard zero cross signal of 50Hz (or 60Hz); Utilize test signal generation device 15, at the standard zero cross signal pulsewidth of each square wave zero cross signal is widened, in the drawings; Waveform 1 is the corresponding zero cross signal of 50Hz (or 60Hz) power supply of standard, is used for contrast and uses; Waveform 2 is the corresponding zero cross signals of the 5th supply harmonic signal, and waveform 3 is drive signal waveform of test result.
Fig. 6 G is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the 6th supply harmonic signal; The zero cross signal of the 6th supply harmonic signal correspondence is on the basis of the standard zero cross signal of 50Hz (or 60Hz); Utilize test signal generation device 15, at the standard zero cross signal pulsewidth of each square wave zero cross signal is subtracted narrow, in the drawings; Waveform 1 is the corresponding zero cross signal of 50Hz (or 60Hz) power supply of standard, is used for contrast and uses; Waveform 2 is the corresponding zero cross signals of the 6th supply harmonic signal, and waveform 3 is drive signal waveform of test result.
Fig. 6 H is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the 7th supply harmonic signal; The zero cross signal that the 7th supply harmonic signal is corresponding is a kind of corresponding zero cross signal of frequency power supply that is provided with arbitrarily; In the drawings; Waveform 1 is the corresponding zero cross signal of 50Hz (or 60Hz) power supply of standard, is used for contrast and uses; Waveform 2 is the corresponding zero cross signals of device supply harmonic signal, and waveform 3 is drive signal waveform of test result.
Fig. 6 I is according to the test macro of the PG motor of the utility model embodiment synoptic diagram to the test result of the corresponding zero cross signal of the 8th supply harmonic signal; The zero cross signal that the 8th supply harmonic signal is corresponding is the another kind of corresponding zero cross signal of frequency power supply that is provided with arbitrarily; In the drawings; Waveform 1 is the corresponding zero cross signal of 50Hz (or 60Hz) power supply of standard, is used for contrast and uses; Waveform 2 is the corresponding zero cross signals of device supply harmonic signal, and waveform 3 is drive signal waveform of test result.
The drive waveform signal and the target output waveform of above test result are compared, just can verify whether drive signal satisfies the requirement of test according to comparative result.
Below method of testing that the test macro of the PG motor that uses the foregoing description is tested describe, Fig. 7 is the synoptic diagram according to the method for testing of the PG motor of the utility model embodiment, and is as shown in Figure 7, this method mainly comprises the steps:
Step S71: acceptance test personnel's the test instruction and the zero cross signal of power supply;
Step S72: produce test signal according to test instruction and zero cross signal, and this test signal is sent to tested PG Electric Machine Control plate;
Step S73: the drive signal that detects tested PG Electric Machine Control plate output;
Step S74: whether the checking drive signal is normal.
Further, whether if use the method validation drive signal of contrast waveform normal, step S73 comprises so: the waveform that detects the drive signal of above-mentioned tested PG Electric Machine Control plate output; Step S74 comprises: the waveform of above-mentioned drive signal and target output waveform compare, and verify according to comparative result whether above-mentioned drive signal is normal.
According to the technical scheme of the utility model, the test signal generation device obtains tester's test instruction and zero cross signal, and produces test signal according to test instruction and zero cross signal, and test signal is transferred to tested PG Electric Machine Control plate; Whether the signal authentication device is through obtaining the drive signal of tested PG Electric Machine Control plate output, normal with the checking drive signal.Thereby can simulate the corresponding zero cross signal of various supply harmonic signals according to tester's requirement,, improve the work efficiency of test, guarantee the quality of test so that tested PG Electric Machine Control plate is fully verified.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (8)
1. the test macro of a PG motor is characterized in that, comprises electric supply installation, zero crossing detection device, test signal generation device and signal authentication device, wherein,
Said electric supply installation is connected respectively with tested PG Electric Machine Control plate with zero crossing detection device, and being used for provides same power supply to said zero crossing detection device and said tested PG Electric Machine Control plate;
Said zero crossing detection device is connected with said test signal generation device, is used for producing according to said same power supply the zero cross signal of this power supply, and said zero cross signal is transferred to said test signal generation device;
Said test signal generation device is connected with said tested PG Electric Machine Control plate with said zero crossing detection device respectively; Be used to obtain tester's test instruction and said zero cross signal; And produce test signal, and said test signal is transferred to said tested PG Electric Machine Control plate according to said test instruction and said zero cross signal;
Said signal authentication device is connected with said tested PG Electric Machine Control plate, is used to obtain the drive signal of said tested PG Electric Machine Control plate output, and verifies whether said drive signal is normal.
2. test macro according to claim 1 is characterized in that,
The test signal that said test signal generation device produces is a two-way;
Said test macro also comprises signal processing apparatus; Said signal processing apparatus is arranged between said test signal generation device and the said tested PG Electric Machine Control plate; Be used for the two-way test signal that the test signal generation device produces is integrated into one road square-wave test signal, and said square-wave test signal is transferred to said tested PG Electric Machine Control plate.
3. test macro according to claim 2 is characterized in that, said signal processing apparatus comprises one or gate logic.
4. test macro according to claim 1 is characterized in that, said electric supply installation comprises:
Power supply;
Power input interface is connected with said power supply, is used for voltage transmission to the circuit output interface with said power supply;
At least the power output interface of two-way parallel connection is connected with tested PG Electric Machine Control plate with said zero crossing detection device respectively.
5. test macro according to claim 1 is characterized in that, said test signal generation device comprises:
Man-machine interaction unit is used to receive said tester's test instruction;
The zero cross signal receiving element is used to receive said zero cross signal;
Processing unit is connected with the zero cross signal receiving element with said man-machine interaction unit, is used for the test signal of said test instruction and the generation of said zero cross signal is carried out calculation process;
The test signal output unit is connected with said processing unit, is used for exporting said test signal according to the calculation process result of said processing unit.
6. test macro according to claim 5 is characterized in that,
Said zero cross signal receiving element comprises the input interface of pci data capture card;
Said test signal output unit comprises the output interface of pci data capture card;
Said processing unit comprises the virtual instrument that is made up by LABVIEW.
7. test macro according to claim 6 is characterized in that, said zero cross signal receiving element and said test signal output unit use the distinct interface of same pci data capture card.
8. test macro according to claim 1 is characterized in that,
Said signal authentication device comprises the waveform capture unit, is used to obtain the waveform of said drive signal, and said signal authentication device compares the waveform and the target output waveform of said drive signal, and verifies according to comparative result whether said drive signal is normal.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103376408A (en) * | 2012-04-18 | 2013-10-30 | 珠海格力电器股份有限公司 | Test system and test method of PG motor |
CN105068005A (en) * | 2015-09-29 | 2015-11-18 | 格力电器(武汉)有限公司 | Detection system and detection method of PG motor |
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2012
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103376408A (en) * | 2012-04-18 | 2013-10-30 | 珠海格力电器股份有限公司 | Test system and test method of PG motor |
CN103376408B (en) * | 2012-04-18 | 2016-02-10 | 珠海格力电器股份有限公司 | Test system and test method of PG motor |
CN105068005A (en) * | 2015-09-29 | 2015-11-18 | 格力电器(武汉)有限公司 | Detection system and detection method of PG motor |
CN105068005B (en) * | 2015-09-29 | 2018-01-02 | 格力电器(武汉)有限公司 | Detection system and detection method of PG motor |
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