CN105337554A - Steering judging system and method of motor train unit traction electric machine - Google Patents
Steering judging system and method of motor train unit traction electric machine Download PDFInfo
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- CN105337554A CN105337554A CN201510797158.0A CN201510797158A CN105337554A CN 105337554 A CN105337554 A CN 105337554A CN 201510797158 A CN201510797158 A CN 201510797158A CN 105337554 A CN105337554 A CN 105337554A
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Abstract
The invention provides a steering judging system and method of a motor train unit traction electric machine. The system comprises an inclinometer, a microcontroller and an upper computer, wherein the inclinometer is used for collecting the inclination angle of a coupling joint of the motor train unit traction electric machine; the microcontroller is connected with the inclinometer and is used for forming inclination angle sampling information according to the inclination angle obtained by sampling the inclinometer with a preset frequency and transferring the inclination angle sampling information to the upper computer; the upper computer receives the inclination angle sampling information and analyzes the inclination angle sampling information to obtain steering of the motor train unit traction motor. The invention also provides the steering judging method of the motor train unit traction motor corresponding to the steering judging system of the motor train unit traction electric machine. The system and the method can be used for achieving judging of steering of the motor fast and accurately, so that the traction motor steering judging testing cycle is shortened, the accuracy of steering judging of the motor is improved, and the automatic detection of steering judging of the motor train unit traction motor is achieved.
Description
Technical field
The invention belongs to technical field of rail traffic, what more specifically relate to a kind of motor train unit traction electric machine turns to judgement system and method.
Background technology
According to machine operation principle, the rotation direction of three phase electric machine is relevant with its triple line sequence, during any two-phase reversal connection of triple line sequence, motor all can be made to rotate backward.The threephase asynchronous machine of reversal connection is equivalent to stall occurs, and during motor generation stall, produces huge heat energy in three-phase windings, thus makes motor burning.
At present, turning to of motor train unit traction electric machine still adopts manual method to judge.Testing crew, when firing test, makes to touch observe and decide motor direction of rotation in manual methods one by one.The operating efficiency of the method is extremely low, and at least needs two laboratory technicians to operate, time-consuming longer, is unfavorable for the test efficiency and the accuracy that improve motor train unit.
Summary of the invention
The technical problem to be solved in the present invention how to shorten traction electric machine to turn to the judgement cycle, improves traction electric machine and turn to differentiation accuracy and automaticity.
In order to solve the problems of the technologies described above, what the invention provides a kind of motor train unit traction electric machine turns to judgement system, and described system comprises obliquity sensor, microcontroller and host computer;
Described obliquity sensor is for gathering the inclination angle of the coupling of motor train unit traction electric machine;
Described microcontroller is connected with described obliquity sensor, for the described inclination angle that described obliquity sensor of sampling according to preset frequency obtains, forms inclination angle sample information, and described inclination angle sample information is passed to described host computer;
The described inclination angle sample information that described host computer is received compares with the positive threshold value of setting, if described inclination angle sample information is greater than the positive threshold value of described setting, then motor train unit traction electric machine is for rotating forward, otherwise described inclination angle sample information and setting negative threshold value are compared, if described inclination angle sample information is less than described setting negative threshold value, then motor train unit traction electric machine is reversion.
Preferably, described obliquity sensor is installed on the coupling place of motor train unit traction electric machine.
Preferably, described microcontroller comprises packing parts, and the inclination angle sample information after packing process, by described inclination angle sample information packing process, is passed to described host computer by described packing parts afterwards;
Described host computer comprises and unpacks device, described in unpack the packing that device uploads described microcontroller after inclination angle sample information unpack process.
Preferably, described microcontroller also comprises analog to digital converter, and described modulus is used for described inclination angle sample information to carry out analog-to-digital conversion, afterwards the inclination angle sample information after analog-to-digital conversion is passed to described host computer.
Preferably, described microcontroller also comprises wireless transmission component, for described inclination angle sample information is passed to described host computer by wireless transmission method.
Preferably, described host computer comprises display unit, and described display unit is used for showing turning to of motor train unit traction electric machine in real time.
Preferably, described obliquity sensor adopts SCA103T-D05 chip; Described microcontroller adopts JN5168 module.
What also there is a kind of motor train unit traction electric machine corresponding to said system turns to method of discrimination, said method comprising the steps of:
The inclination angle of the coupling of S1, collection motor train unit traction electric machine;
S2, according to preset frequency, to be sampled in described inclination angle, form inclination angle sample information;
S3, by described inclination angle sample information with setting positive threshold value compare, if described inclination angle sample information is greater than the positive threshold value of described setting, then motor train unit traction electric machine is for rotating forward, otherwise described inclination angle sample information and setting negative threshold value are compared, if described inclination angle sample information is less than described setting negative threshold value, then motor train unit traction electric machine is reversion.
Preferably, after described step S2, before S3, described method is further comprising the steps of:
By sampling, the described inclination angle sample information obtained carries out analog-to-digital conversion.
Preferably, after described step S3, described method also comprises carries out the real-time step shown by turning to of described motor train unit traction electric machine.
What the invention provides a kind of motor train unit traction electric machine turns to judgement system and method, the present invention can realize the differentiation of motor steering quickly and accurately, shorten traction electric machine and turn to the judgement cycle, improve traction electric machine and turn to differentiation accuracy, realize the Aulomatizeted Detect that motor train unit traction electric machine turns to judgement, thus avoid motor triple line sequence and connect anti-situation about being burned, reduce economic loss.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 be the motor train unit traction electric machine of a preferred embodiment of the present invention turn to judgement system structural representation;
Fig. 2 be the motor train unit traction electric machine of a preferred embodiment of the present invention turn to method of discrimination flow chart.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.Following examples for illustration of the present invention, but can not be used for limiting the scope of the invention.
Motor train unit traction electric machine turn to a judgement system, as shown in Figure 1, described system comprises obliquity sensor, microcontroller and host computer;
Described obliquity sensor is for gathering the inclination angle of the coupling of motor train unit traction electric machine;
Described microcontroller is connected with described obliquity sensor, for the described inclination angle that described obliquity sensor of sampling according to preset frequency obtains, forms inclination angle sample information, and described inclination angle sample information is passed to described host computer;
Described host computer is analyzed the described inclination angle sample information that it receives and is obtained turning to of motor train unit traction electric machine, wherein analyze and be specially: the described inclination angle sample information that described host computer is received compares with the positive threshold value of setting, if described inclination angle sample information is greater than the positive threshold value of described setting, then motor train unit traction electric machine is for rotating forward, otherwise described inclination angle sample information and setting negative threshold value are compared, if described inclination angle sample information is less than described setting negative threshold value, then motor train unit traction electric machine is reversion.
Said system can realize the differentiation of motor steering quickly and accurately, shortens traction electric machine and turns to and judge the test period, improve traction electric machine and turn to differentiation accuracy, realize the Aulomatizeted Detect that motor train unit traction electric machine turns to judgement.
Further, described obliquity sensor is installed on the coupling place of motor train unit traction electric machine.The detection at inclination angle when realizing rotating motor train unit traction electric machine.Preferably, the inclination angle that the difference of the corresponding motor of obliquity sensor collection turns to is distinguished by "+", "-" number, and the inclination angle mark such as, gathered when motor rotates forward has "+", and the inclination angle gathered during motor reversal has then identified "-".Just turning to of motor can be judged according to "+" of inclination angle mark, "-" when follow-up host computer is analyzed inclination angle sample information.
Further, described microcontroller comprises packing parts, and the inclination angle sample information after packing process, by described inclination angle sample information packing process, is passed to described host computer by described packing parts afterwards; Described host computer comprises and unpacks device, described in unpack the packing that device uploads described microcontroller after inclination angle sample information unpack process.Will inclination angle sample information pack after can improve efficiency of transmission in transmission, also can be encrypted the information of transmission, with the fail safe of guarantee information in the process of transmission simultaneously.
Further, described microcontroller also comprises analog to digital converter, and described modulus is used for described inclination angle sample information to carry out analog-to-digital conversion, afterwards the inclination angle sample information after analog-to-digital conversion is passed to described host computer.In addition, analog-to-digital conversion module first can also carry out analog-to-digital conversion to all inclination angles of obliquity sensor collection, carries out sampling more afterwards form inclination angle sample information according to preset frequency.
Further, described microcontroller also comprises wireless transmission component, for described inclination angle sample information is passed to described host computer by wireless transmission method.The mode of wireless transmission can lessly connect up, and improves the flexibility of transmission.
Further, described host computer comprises display unit, and described display unit is used for showing turning to of motor train unit traction electric machine in real time.
Further, described obliquity sensor adopts SCA103T-D05 chip, realizes the angular surveying that motor coupling is small; Described microcontroller adopts JN5168 module.Host computer is based on windows platform, uses the exploitation of Qt developing instrument, by unpacking process to data, analyzing initial data, finally realizing the differentiation to motor steering.Host computer mainly achieves serial communication simultaneously, and data unpack, and turn to the function shown when evaluation algorithm and fructufy.
Data acquisition technology, Radio Transmission Technology, embedded technology organically combine by system of the present invention, the differentiation of motor steering can be realized quickly and accurately, shorten traction electric machine to turn to and judge the test period, improve traction electric machine and turn to differentiation accuracy, realize motor train unit traction electric machine to turn to the automatic test of judgement thus avoid motor triple line sequence and connect anti-situation about being burned, reduce economic loss, and improve efficiency.
What there is a kind of motor train unit traction electric machine corresponding to said system turns to method of discrimination, as shown in Figure 2, said method comprising the steps of:
The inclination angle of the coupling of S1, collection motor train unit traction electric machine;
S2, according to preset frequency, to be sampled in described inclination angle, form inclination angle sample information;
S3, described inclination angle sample information analyzed obtain turning to of motor train unit traction electric machine, wherein analytical procedure is specially and described inclination angle sample information and the positive threshold value of setting is compared, if described inclination angle sample information is greater than the positive threshold value of described setting, then motor train unit traction electric machine is for rotating forward, otherwise described inclination angle sample information and setting negative threshold value are compared, if described inclination angle sample information is less than described setting negative threshold value, then motor train unit traction electric machine is reversion.
Further, after described step S2, before S3, described method is further comprising the steps of:
By sampling, the described inclination angle sample information obtained carries out analog-to-digital conversion.
Further, after described step S3, described method also comprises carries out the real-time step shown by turning to of described motor train unit traction electric machine.
Due to the method that said method is corresponding with said system, so related content repeats no more.
Above execution mode is only for illustration of the present invention, but not limitation of the present invention.Although with reference to embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, various combination, amendment or equivalent replacement are carried out to technical scheme of the present invention, do not depart from the spirit and scope of technical solution of the present invention, all should be encompassed in the middle of right of the present invention.
Claims (10)
1. motor train unit traction electric machine turn to a judgement system, it is characterized in that, described system comprises obliquity sensor, microcontroller and host computer;
Described obliquity sensor is for gathering the inclination angle of the coupling of motor train unit traction electric machine;
Described microcontroller is connected with described obliquity sensor, for the described inclination angle that described obliquity sensor of sampling according to preset frequency obtains, forms inclination angle sample information, and described inclination angle sample information is passed to described host computer;
The described inclination angle sample information that described host computer is received compares with the positive threshold value of setting, if described inclination angle sample information is greater than the positive threshold value of described setting, then motor train unit traction electric machine is for rotating forward, otherwise described inclination angle sample information and setting negative threshold value are compared, if described inclination angle sample information is less than described setting negative threshold value, then motor train unit traction electric machine is reversion.
2. system according to claim 1, is characterized in that, described obliquity sensor is installed on the coupling place of motor train unit traction electric machine.
3. system according to claim 1, it is characterized in that, described microcontroller comprises packing parts, and described packing parts are by described inclination angle sample information packing process, and the inclination angle sample information after packing process is passed to described host computer by described microcontroller afterwards;
Described host computer comprises and unpacks device, described in unpack the packing that device uploads described microcontroller after inclination angle sample information unpack process.
4. system according to claim 1, it is characterized in that, described microcontroller also comprises analog to digital converter, and described modulus is used for described inclination angle sample information to carry out analog-to-digital conversion, and the inclination angle sample information after analog-to-digital conversion is passed to described host computer by described microcontroller afterwards.
5. system according to claim 1, is characterized in that, described microcontroller also comprises wireless transmission component, for described inclination angle sample information is passed to described host computer by wireless transmission method.
6. system according to claim 1, is characterized in that, described host computer comprises display unit, and described display unit is used for showing turning to of motor train unit traction electric machine in real time.
7. system according to claim 1, is characterized in that, described obliquity sensor adopts SCA103T-D05 chip; Described microcontroller adopts JN5168 module.
8. motor train unit traction electric machine turn to a method of discrimination, it is characterized in that, said method comprising the steps of:
The inclination angle of the coupling of S1, collection motor train unit traction electric machine;
S2, according to preset frequency, to be sampled in described inclination angle, form inclination angle sample information;
S3, by described inclination angle sample information with setting positive threshold value compare, if described inclination angle sample information is greater than the positive threshold value of described setting, then motor train unit traction electric machine is for rotating forward, otherwise described inclination angle sample information and setting negative threshold value are compared, if described inclination angle sample information is less than described setting negative threshold value, then motor train unit traction electric machine is reversion.
9. method according to claim 8, is characterized in that, after described step S2, before S3, described method is further comprising the steps of:
By sampling, the described inclination angle sample information obtained carries out analog-to-digital conversion.
10. method according to claim 8, is characterized in that, after described step S3, described method also comprises carries out the real-time step shown by turning to of described motor train unit traction electric machine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510797158.0A CN105337554B (en) | 2015-11-18 | 2015-11-18 | The steering judgement system and method for EMUs traction electric machine |
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| CN201510797158.0A CN105337554B (en) | 2015-11-18 | 2015-11-18 | The steering judgement system and method for EMUs traction electric machine |
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| CN105337554A true CN105337554A (en) | 2016-02-17 |
| CN105337554B CN105337554B (en) | 2018-02-27 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114636843A (en) * | 2022-04-01 | 2022-06-17 | 常州中量高新技术有限公司 | Method and device for judging rotation direction of traction motor based on sensor module |
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| KR20120098285A (en) * | 2011-02-28 | 2012-09-05 | 주식회사 그록스톤 | Folding type bycycle |
| CN103969582A (en) * | 2014-05-21 | 2014-08-06 | 中国化学工程第十一建设有限公司 | Phase sequence and steering measuring method and device for three-phase motor |
| CN203838315U (en) * | 2014-05-21 | 2014-09-17 | 中国化学工程第十一建设有限公司 | Three-phase motor phase sequence and steering measurement device |
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2015
- 2015-11-18 CN CN201510797158.0A patent/CN105337554B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000146580A (en) * | 1998-11-05 | 2000-05-26 | Toyo Denso Co Ltd | Tilt sensor |
| CN101521480A (en) * | 2008-11-21 | 2009-09-02 | 西北工业大学 | Resolution method and resolver for signals of rotating transformer |
| CN101976994A (en) * | 2010-09-17 | 2011-02-16 | 三一重工股份有限公司 | Conversion circuit, method and system for detecting phase sequence of three-phase power supply, and motor |
| KR20120098285A (en) * | 2011-02-28 | 2012-09-05 | 주식회사 그록스톤 | Folding type bycycle |
| CN103969582A (en) * | 2014-05-21 | 2014-08-06 | 中国化学工程第十一建设有限公司 | Phase sequence and steering measuring method and device for three-phase motor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114636843A (en) * | 2022-04-01 | 2022-06-17 | 常州中量高新技术有限公司 | Method and device for judging rotation direction of traction motor based on sensor module |
| CN114636843B (en) * | 2022-04-01 | 2024-05-17 | 常州中量高新技术有限公司 | Method and device for judging rotation direction of traction motor based on sensor module |
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| CN105337554B (en) | 2018-02-27 |
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Address after: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Chengyang District of Shandong city of Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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