CN104181915A - Motor controller testing device and method - Google Patents
Motor controller testing device and method Download PDFInfo
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- CN104181915A CN104181915A CN201410413447.1A CN201410413447A CN104181915A CN 104181915 A CN104181915 A CN 104181915A CN 201410413447 A CN201410413447 A CN 201410413447A CN 104181915 A CN104181915 A CN 104181915A
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Abstract
The invention relates to a motor controller testing method, in particular to a testing method for an online dynamic motor controller. The method includes the following steps that (S1) machine model information of a motor controller to be tested is recognized and obtained; (S2) corresponding testing programs are downloaded according to the model information; (S3) a control instruction is generated according to the testing programs; (S4) the control instruction is executed; (S5) a feedback signal is read from the motor controller to be tested; (S6) whether the feedback signal is within a normal range is judged and recorded. The invention further provides a large-current testing device using the method. The motor controller testing device and method have the advantages that the structural design is reasonable, different machine models can be recognized, all testing items including large-current testing can be automatically completed without replacing testing devices, and multiple motor controllers are simultaneously and dynamically tested on line.
Description
Technical field
The present invention relates to a kind of testing device for motor controller and method, particularly a kind of method of testing of online dynamic electric machine controller, and a kind of device of applying the method.
Background technology
Along with the fast development of electronic technology, the more and more polynary change of electric machine controller function, assembling product technology is also more and more meticulousr.Same, the functional test of electric machine controller finished product is also more and more important.Publication number is that the patent of CN101435841A discloses a kind of test macro, and it comprises: test interface, comprises the multiple test pin for being connected with the test point of electronic product to be measured; Master controller, for exporting steering order; Signal generator, for exporting preset signals according to described steering order, described preset signals is input to electronic product by described test interface; And instrument pack, comprise for from corresponding test pin read test data and output to multiple instrument of described master controller; Described master controller is also for judging that described test data is whether within normal range and record.But, because electric machine controller model is conventionally more various, for different electric machine controller models, prior art need to be called different testing apparatuss and carry out artificial supporting test, manpower and materials are not only wasted, also wasted a large amount of time, technician there will be unavoidably error in the process of test simultaneously, causes test result inaccurate; In addition, electric machine controller all needs to carry out special high-current test conventionally, and traditional production line tends to produce larger power consumption.
Testing process of the present invention is simple, easy to operate, staff do not need through training can independent operation described in testing device for motor controller, testing device for motor controller can automatically complete all test events that comprise high-current test project and not need manually to plug wiring and change testing apparatus, realize online detection of dynamic completely, save man power and material, reduce the required cost of whole test, improved the testing efficiency of product and the accuracy of test result.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of reasonable in design, can identify proving installation and method that different type of machines automatically completes test events all including high-current test and do not change testing apparatus, the simultaneously online dynamic test of multiple electric motors controller product.
It is this testing device for motor controller that the present invention solves the problems of the technologies described above adopted technical scheme, includes:
Identification end, comprises and is arranged on tested electric machine controller with the recognition feature of model information and can identifies the recognition device of described recognition feature, identifies different type of machines prepare as calling of follow-up test procedure taking this;
Test lead, described test lead includes test cover, conductive contact hole, sensor and data transmission mouth, described conductive contact hole, data transmission mouth and sensor setting are on described test cover, on described test cover, be provided with reference column, fixed orifice on described reference column and described tested electric machine controller matches, quick connection can be realized in conductive contact hole, departs from fast; The electrical connection hole that described conductive contact hole is arranged on position and the described tested electric machine controller on described test cover matches, described sensor setting in described conductive contact hole inner or around, described sensor is one or several in temperature sensor, voltage sensor and Hall current magnetic test coil, and described conductive contact hole, sensor and data transmission mouth are electrical connected successively;
Main control end, described main control end is electrical connected with conductive contact hole, the data transmission mouth of described recognition device and described test lead respectively, and main control end can be that PC can be also single-chip microcomputer.
As preferably, described testing device for motor controller is arranged on test streamline top, be provided with high-current test dedicated bit at test streamline near power supply place, described testing device for motor controller carries out high-current test to described tested electric machine controller in described high-current test dedicated bit, because current delivery distance is the shortest, effectively reduce large electric current formed power consumption.
As preferably, described main control end is downloaded corresponding test procedure for the model information of obtaining according to described identification end to tested electric machine controller from the database of self, and the steering order that matches of output and tested electric machine controller type, also for the feedback signal that judges described test lead whether within normal range and record.
As preferably, described recognition feature is bar-code label, and described recognition device is the scanister matching with described bar-code label, records the bar code sequence number of tested controller when test, test process data will be recorded to background data base, as production and data information after sale.
As preferably, the lock mode of described reference column and described fixed orifice is electromagnetism adhesive, and described reference column top is provided with tapered guide head, leads by seeker, behind location, starts electromagnet and then locks tested electric machine controller.
As preferably, on described test cover, be provided with reference column, the fixed orifice on described reference column and described tested electric machine controller matches, and can ensure accurate positioning.
The present invention also provides a kind of electric machine controller method of testing, comprises the following steps:
S1, the model information of tested electric machine controller is obtained in identification;
S2, downloads corresponding test procedure according to described model information;
S3, described test program generation steering order;
S4, carries out described steering order;
S5, reads feedback signal from tested electric machine controller;
S6, judges that described test feedback signal is whether within normal range and record.
As preferably, described feedback signal at least comprises with lower one: temperature, electric current, voltage, sensor is set in test cover, and without the supporting thermometer of each test base plate, reometer and voltage table, test omnidistance computer control, without manually checking numerical value.
As preferably, the model information step that tested electric machine controller is obtained in described identification comprises:
Scanning obtains the bar-code label being arranged on described tested electric machine controller;
Described main control end and described tested electric machine controller communicate, and obtain the product code of described tested electric machine controller;
Described product code and described bar-code label are verified, given the alarm if inconsistent, described tested electric machine controller is put into defective products storeroom; If unanimously carry out subsequent step.
As preferably, after described test program generation steering order step, before the described steering order of described execution, further comprising the steps of:
Main control end generates and detects the whether preliminary examination instruction of short circuit of tested electric machine controller testing power supply and phase line, and test lead is carried out described preliminary examination instruction, and main control end judges according to the feedback signal of test lead;
If short circuit, closes described test lead record, described tested electric machine controller is put into defective products storeroom;
If not short circuit, detects and adjusts the contact resistance of described tested electric machine controller and described test lead, until described contact resistance is less than 50m Ω.
The present invention compared with the existing technology has the following advantages and effect: 1, owing to before starting generation test instruction, the model information of tested electric machine controller being gathered, coordinate the database of storage in main control end, make proving installation can adapt to the test of different electric machine controller types, for the multiple electric motors controller while, the realization of online dynamic test provides the foundation; 2, detailed background test data, perfect finished product controller data library management, is conducive to recalling of product, sets up quality assurane record; 3, the electrical connection that is arranged so that tested electric machine controller and test lead in conductive contact hole with exit conveniently, and can adapt to high-current test; 4, the efficiency that has improved production line reduces tester's quantity of production line, and a people is responsible for a line can accomplish that split run daily output in 8 hours can, more than 1000, will join test station more than 6 people and produce thousand daily by original survey split run at least.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of the tested electric machine controller of the present invention.
Fig. 2 is the structural representation of recognition device of the present invention.
Fig. 3 is the structural representation of test cover of the present invention.
Fig. 4 is the structural representation of tapered guide head of the present invention.
Fig. 5 is proving installation structural representation of the present invention.
Fig. 6 is proving installation module diagram of the present invention.
Fig. 7 is method of testing process flow diagram of the present invention.
Label declaration: testing device for motor controller 10, production line 11, base plate 111, travel switch 112, base plate bar code 113, high-current test dedicated bit 12, test streamline 13, defective products storage rack 14, tested electric machine controller 20, electrical connection hole 21, data transmission mouth 22, identification end 30, recognition feature 31, recognition device 32, bar code scan window 33, main control end 40, test lead 50, conductive contact hole 51, sensor 52, test cover 53, reference column 531, fixed orifice 532, tapered guide head 533 forms.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment 1: as shown in Figures 1 to 4, the present embodiment is by testing device for motor controller 10, production line 11, base plate 111, travel switch 112, base plate bar code 113, high-current test dedicated bit 12, test streamline 13, defective products storage rack 14, tested electric machine controller 20, electrical connection hole 21, data transmission mouth 22, identification end 30, recognition feature 31, recognition device 32, bar code scan window 33, main control end 40, test lead 50, conductive contact hole 51, sensor 52, test cover 53, reference column 531, fixed orifice 532, tapered guide head 533 forms.
In the present embodiment, recognition feature 31 is the bar-code label with model information, corresponding, recognition device 32 is for identifying the scanister of this bar-code label.Recognition device 32 identifies the backward main control end 40 of model information and uses CAN bus to carry out data output.
In the present embodiment, main control end 40 is the computing machines that test procedure database is installed, be mainly used in controlling the process of test: from the database of self, download corresponding test procedure in tested electric machine controller 20 according to the model information main control end 40 receiving, and the test instruction that matches of output and tested electric machine controller 20 types.Between main control end 40 and test lead 50, adopt the asynchronous communication modes of duplex, it receives the feedback signal that the sensor 52 on test lead 50 transmits, and feedback signal is carried out to data analysis, generates and logging test results.Main control end 40 can also show test result in real time, and exceed normal range alarm in corresponding test data to user.
In the present embodiment, as shown in Figure 2, recognition feature 31 is bar-code label, and recognition device 32 is scanister, and tested electric machine controller 20 moves in production line 11, and bar-code label is attached in the middle of the front of tested electric machine controller 20 working direction.Tested electric machine controller 20 fuselage surroundings are provided with fixed orifice 532, are provided with B+, B-, U, V, W totally 5 electrical connection holes 21 on fuselage.
As shown in Figure 3,4, test lead 50 is for including the test cover 53 of one end stube cable, and the cable of use is that sectional area is 16mm
2teflon Pyrotenax, be 250A by electric current, more than peak value test electric current can reach 600A, cable be connected to test streamline 13 tops conducting heavy current guide rail on.In test cover 53, be provided with the conductive contact hole 51 corresponding with electric connecting hole 21 on tested electric machine controller 20, conductive contact hole 51 is provided with current sensor 52 around, and inside is provided with voltage and temperature sensor 52.On four drift angles of test cover 53, be respectively provided with the reference column 531 matching with tested electric machine controller 20 fuselage fixed orifices 532, reference column 531 tops are provided with tapered guide head 533, make to be electrically connected hole 21 and conductive contact hole 51 and more easily aim at linking, in reference column 531, be provided with solenoid, the connected mode of itself and fixed orifice 532 is electromagnetism adhesive.
The specific works process of testing device for motor controller is as follows:
The base plate 111 that is loaded with tested electric machine controller 20 moves by the speed of 1.2 ms/min with production line 11, arrive after the anchor point of production line 11 lifters 13, crush stroke switch 112, base plate 111 transverse shiftings stop, and scanister 32 is identified the bar-code label of tested electric machine controller 20 and outputed to main control end 40 by bar code scan window 33.After this, lifter 13 startups of base plate 111 belows are risen base plate 111, in uphill process, base plate 111 is through bar code scan window 33, scanister 32 can be by base plate bar code 113 bar codes record on base plate 111, so that main control end 40 can be monitored the position of each tested electric machine controller 20 on test streamline 13.Base plate 111 continues to rise, tested electric machine controller 20 is aimed at the test cover 53 of overhung, under tapered guide head 533 guiding of test cover 53, reference column 531 enters the fixed orifice 532 of tested electric machine controller 20, and then startup is arranged on the electromagnet on reference column 531, by reference column 531 and fixed orifice 532 adhesives, make to be electrically connected hole 21 and contact with conductive contact hole 51.
Main control end 40 is communicated by letter with the tested electric machine controller 20 having connected by the data bus in cable, obtain the product code of this tested electric machine controller 20, and the bar-code label obtaining from scanister 32 and product code are verified mutually, to determine product type: if both are inconsistent, be automatically judged to be issue machine; If consistent, main control end 40 is retrieved tested electric machine controller 20 product types in database, and starts corresponding testing process, and main control end 40 is downloaded test procedure to tested electric machine controller 20, with to 20 times biographies of tested electric machine controller, current order is set, as bus current limliting 100A.
Start before test procedure, main control end 40 also can be carried out preliminary examination to running environment, mode is that main control end 40 is assigned steering order to test lead 50, in 2-5 millisecond, connect in turn U, V, W phase line, and to main control end 50 output current feedback signals, if there is short circuit, electric current can exceed limit value, must turn off at once tested electric machine controller 20 this moment and record and put it into defective products storeroom, to protect inner power drive not burnt; If not short circuit, detect and adjust the contact resistance in electrical connection hole 21 and conductive contact hole 51, concrete detection method is: main control end 40 adjustment control electric currents are to 10A, and by contrasting, the voltage-current sensor of tested electric machine controller 40 inside is studied and judged test cover with voltage-current sensor 52 data that are positioned at test cover 53 and whether tested controller contact resistance reaches test request.If contact resistance is greater than 50m Ω, to affect follow-up test precision, method of adjustment is now: test cover 53 release magnets, the base plate 111 that is loaded with tested electric machine controller 20 completes disengaging to decline, and then lifter 13 starts, make tested electric machine controller 20 again increase to enter to restart to connect in test cover 53, so until contact resistance is less than 50m Ω.
Test cover 53 be connected with tested electric machine controller 20 reliable after, base plate 111 enters test streamline 13, drags that the test cover 53 of brush slide block cable is equipped with at top and the combination of tested electric machine controller 20 is got back to test streamline 13.Meanwhile, the base plate 111 that the next one is loaded with tested electric machine controller 20 starts to rise, and prepares to connect the test cover 53 of top.Main control end 40 test computers start to carry out the non-high-current tests such as internal register test, function port test, the test of external position Sensor Analog Relay System to connecting reliable test cover 53 with order and parameter that tested electric machine controller 20 combination outputs start test further, and by test lead 50 cables, feedback signal are outputed to main control end 40 test computers.Along with the operation of test streamline 13, the test process of each tested electric machine controller 20 and data can be observed intuitively and record on main control end 40 test computers.
In the time that main control end 40 monitors combination arrival test streamline 13 end, tested electric machine controller 20 enters high-current test dedicated bit 12 and carries out large power test.This test bit is nearest apart from the power supply of test cable, also nearest apart from load motor, go between the shortest, because the bus source current of tested electric machine controller 20 can reach 120A in the high-current test in design, load phase current peak electric current more than 500A, the huge electric current current return that formed by brush slide block and conductive guide of top of flowing through, the words of hypertelorism loss are large, easily arcing, heating.So be chosen in and carry out this large power test on the shortest position.
In non-high-current test and high-current test, if test passes, tested electric machine controller 20 declines and enters pack-thread with lifter; If test structure exceeds normal range, main control end 40 gives the alarm or exports information, is pushed into defective products storage rack 14 together with the defective products of previously measuring, and in the time that storage rack is full, suspends p-wire body, works on after need to manually taking defective products away.
As shown in Figure 5, the method for testing that is applied to proving installation comprises the following steps:
S1, the model information of tested electric machine controller 20 is obtained in 30 identifications of identification end;
S2, main control end 40 is verified model information, after checking is consistent, downloads corresponding test procedure in tested electric machine controller 20;
S3, carries out preliminary examination to tested electric machine controller 20, and the qualified rear test procedure of preliminary examination requires to generate steering order according to test event;
S4, tested electric machine controller 20 is carried out steering order;
S5, sensor 52 converts the feedback signal recording to digital signal and outputs to main control end 40;
S6, main control end 40 judges that the feedback signal obtained is whether within normal range and record;
S7, puts into defective products storeroom by defective products, and qualified tested electric machine controller 20 is put into packaging line.
In sum, it is simple that the present invention has testing process, easy to operate, can complete the different type of machines electric machine controller test event including high-current test by automatic on-line, save manpower and electric energy, reduced the cost of whole test streamline, improved the testing efficiency of electric machine controller.
In addition, it should be noted that, the specific embodiment described in this instructions, shape, institute's title of being named etc. of its parts and components can be different.All equivalence or simple change of doing according to described structure, feature and the principle of patent design of the present invention, are included in the protection domain of patent of the present invention.Those skilled in the art can make various amendments or supplement or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, all should belong to protection scope of the present invention.
Claims (9)
1. a testing device for motor controller, is characterized in that, includes:
Identification end, comprises and is arranged on the recognition feature and the recognition device that can identify described recognition feature with model information on tested electric machine controller;
Test lead, described test lead includes test cover, conductive contact hole, sensor and data transmission mouth, described conductive contact hole, data transmission mouth and sensor setting are on described test cover, on described test cover, be provided with reference column, fixed orifice on described reference column and described tested electric machine controller matches, the electrical connection hole that described conductive contact hole is arranged on position and the described tested electric machine controller on described test cover matches, described sensor setting in described conductive contact hole inner or around, described sensor is temperature sensor, one or several in voltage sensor and Hall current magnetic test coil, described conductive contact hole, sensor and data transmission mouth are electrical connected successively,
Main control end, described main control end is electrical connected with conductive contact hole, the data transmission mouth of described recognition device and described test lead respectively.
2. proving installation according to claim 1, it is characterized in that: described testing device for motor controller is arranged on test streamline top, be provided with high-current test dedicated bit at test streamline near power supply place, described testing device for motor controller carries out high-current test to described tested electric machine controller in described high-current test dedicated bit.
3. proving installation according to claim 2, it is characterized in that: described main control end is downloaded corresponding test procedure for the model information of obtaining according to described identification end to tested electric machine controller from the database of self, and the steering order that matches of output and tested electric machine controller type, also for the feedback signal that judges described test lead whether within normal range and record.
4. proving installation according to claim 2, is characterized in that: the lock mode of described reference column and described fixed orifice is electromagnetism adhesive, and described reference column top is provided with tapered guide head.
5. according to the proving installation described in claim 1,2 or 3, it is characterized in that: described recognition feature is bar-code label, described recognition device is the scanister matching with described bar-code label.
6. an electric machine controller method of testing, comprises the following steps:
S1, the model information of tested electric machine controller is obtained in identification;
S2, downloads corresponding test procedure according to described model information;
S3, described test program generation steering order;
S4, carries out described steering order;
S5, reads feedback signal from tested electric machine controller;
S6, judges that described test feedback signal is whether within normal range and record.
7. electric machine controller method of testing according to claim 6, is characterized in that: described feedback signal at least comprises with lower one: temperature, electric current, voltage.
8. electric machine controller method of testing according to claim 6, is characterized in that, the model information step that tested electric machine controller is obtained in described identification comprises:
Scanning obtains the bar-code label being arranged on described tested electric machine controller;
Described main control end and described tested electric machine controller communicate, and obtain the product code of described tested electric machine controller;
Described product code and described bar-code label are verified, given the alarm if inconsistent, described tested electric machine controller is judged as defective products, waits for and is moved into defective products storeroom; If unanimously carry out subsequent step.
9. according to the electric machine controller method of testing described in claim 6,7 or 8, it is characterized in that, after described test program generation steering order step, before the described steering order of described execution, further comprising the steps of:
Main control end generates and detects the whether preliminary examination instruction of short circuit of tested electric machine controller testing power supply and phase line, and test lead is carried out described preliminary examination instruction, and main control end judges according to the feedback signal of test lead;
If short circuit, closes described test lead record, described tested electric machine controller is put into defective products storeroom;
If not short circuit, detects and adjusts the contact resistance of described tested electric machine controller and described test lead, until described contact resistance is less than 50m Ω.
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| CN201410413447.1A CN104181915B (en) | 2014-08-21 | 2014-08-21 | A kind of testing device for motor controller and method |
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| CN201410413447.1A CN104181915B (en) | 2014-08-21 | 2014-08-21 | A kind of testing device for motor controller and method |
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| CN104181915B CN104181915B (en) | 2015-09-16 |
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| CN104539947A (en) * | 2014-12-22 | 2015-04-22 | 歌尔声学股份有限公司 | Wide voltage testing device and testing method thereof |
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| CN105652859A (en) * | 2016-03-31 | 2016-06-08 | 北京经纬恒润科技有限公司 | Early production containment system for controller products |
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| CN107728496A (en) * | 2017-09-14 | 2018-02-23 | 捷星显示科技（福建）有限公司 | A kind of magnetic-type automatic wire inserting device and method |
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| CN108490917A (en) * | 2018-03-30 | 2018-09-04 | 浙江吉利控股集团有限公司 | Program writing and detection device |
| CN109525146A (en) * | 2018-10-25 | 2019-03-26 | 珠海格力电器股份有限公司 | Control method, device, drive control device and the air-conditioning of motor |
| CN111258289A (en) * | 2018-11-30 | 2020-06-09 | 湖南中车时代电动汽车股份有限公司 | Full-automatic function testing method and device for new energy automobile controller |
| CN110320888A (en) * | 2019-07-03 | 2019-10-11 | 天津中科华盈科技有限公司 | A kind of ageing tester and method for asynchronous motor control device |
| CN110320888B (en) * | 2019-07-03 | 2024-02-13 | 天津中科华盈科技有限公司 | Aging testing device and method for asynchronous motor controller |
| CN112816812A (en) * | 2020-12-30 | 2021-05-18 | 嘉兴毅拓汽车科技有限公司 | Function test equipment for non-intelligent electric control actuator and test method thereof |
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