CN107271071A - New-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method - Google Patents
New-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method Download PDFInfo
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- CN107271071A CN107271071A CN201710619040.8A CN201710619040A CN107271071A CN 107271071 A CN107271071 A CN 107271071A CN 201710619040 A CN201710619040 A CN 201710619040A CN 107271071 A CN107271071 A CN 107271071A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
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Abstract
The invention discloses a kind of new-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method, including step：Certain electric current is inputted to permagnetic synchronous motor A~C phases；After motor balance, stator temperature and environment temperature are gathered respectively and coupling calculator is input to；Couple stator temperature and environment temperature of the calculator by input, determination equivalent temperature of tabling look-up；Finally judge whether equivalent temperature is qualified by decision-making system.The present invention considers environment temperature test signal according to identical copper loss loss is inputted to detecting the influence to winding temperature rise, with reference to company standard, forms the detecting system of an open circuit.Pass through the test of the inventive method, it is ensured that the temperature sensor of product is qualified, accuracy and uniformity of temperature survey, improves product quality, it is ensured that life of product and vehicle safety.
Description
Technical field
The present invention relates to current new-energy automobile, more particularly to a kind of permanent-magnetic synchronous motor stator temperature sensor uniformity
Detection method.
Background technology
Current New energy automobile motor just progressively tends to high power density, high speed, and motor temperature rise problem is also gradually highlighted.
The temperature of each part of motor, is related to life-span and the safety of product, therefore moment monitoring motor temperature and temperature value is accurate
Property and uniformity are particularly important accuracy and uniformity, it is necessary to convenient, fast and accurate test temperature, currently without
Specific test equipment and method, rely solely on the experience for manufacturing producer, it is therefore desirable to carried out in method of testing and equipment
Innovation.
Existing method of testing is mainly the manufacturing technology level by stator manufacturing firm, the content such as rational quality management
Go to ensure temperature accuracy and uniformity, but new-energy automobile is in starting stage, stator manufacturing firm technological level at present
It is uneven with quality management, it is difficult to ensure that the production of uniformity difference also occurs in the accurately and consistently property of product, identical producer
Product, different manufacturers homogeneity of product is more difficult to ensure.
The content of the invention
The present invention seeks to：A kind of new-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detection side is provided
Method, effectively solves the uniformity and accuracy problem of identical producer's product or different manufacturers like products, it is ensured that final production
Product improve the reliability and risk control ability of product in the accuracy and uniformity of temperature rise test phase.
The technical scheme is that：
New-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method, including step：
S1, to permagnetic synchronous motor A~C phases input certain electric current；
After S2, motor balance, stator temperature is gathered, and be input to coupling calculator；
S3, collection environment temperature, and it is input to coupling calculator；
S4, coupling stator temperature and environment temperature of the calculator by input, determination equivalent temperature of tabling look-up；
S5, finally judge whether equivalent temperature is qualified by decision-making system.
It is preferred that, step S1 inputs certain electric current, the direct current using dc source to permagnetic synchronous motor A~C phases
The requirements of type selecting of power supply：Internal resistance is less than setting value, and power output is higher than setting.
It is preferred that, the stator temperature of step S2 collections is that the temperature sensor that stator is carried is gathered after signal by decoding
The result that chip is obtained.
It is preferred that, the environment temperature of step S3 collections is the ambient temperature results of indoor temperature measurement equipment collection.
It is preferred that, step S4 coupling calculator determines equivalent temperature, is to combine simulation result, calculates different chamber's tender feeling
Condition, inputs same loss, counts stator temperature, finally carries out interpolation fitting, obtains rational numerical tabular, carries out coupling temperature and looks into
Ask.
It is preferred that, step S5 decision-making system is the judge mark according to company standard and the design of specific product technical requirements
Barebone.
It is an advantage of the invention that：
1st, new-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method proposed by the present invention, according to input
Identical copper loss loss considers environment temperature test signal to detecting the influence to winding temperature rise, with reference to company standard, is formed
The detecting system of one open circuit.
2nd, the method that the present invention is calculated on environment temperature and stator temperature coupling, by emulation, determines environment temperature, determines
The relation of sub- temperature and equivalent temperature, and formulate the company standard of correlation.
3rd, the test of the inventive method is passed through, it is ensured that the temperature sensor of product is qualified, temperature survey accuracy
And uniformity, improve product quality, it is ensured that life of product and vehicle safety.
Brief description of the drawings
Below in conjunction with the accompanying drawings and embodiment the invention will be further described：
The principle schematic that it is invention permanent-magnetic synchronous motor stator temperature sensor consistency detection that Fig. 1, which is,.
Embodiment
As shown in figure 1, the new-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method of the present invention,
Its detection structure used includes：Constant voltage dc source 1, tested motor 2, stator temperature collector 3, temperature collection device 4,
Temperature couples computing module 5 and result judges module 6.Above-mentioned each signal acquisition module, is attached according to Fig. 1 schematic diagram,
Assessed by final system, whether qualified judge.
Described dc source is, it is necessary to the internal resistance of source is smaller, and the larger power supply of power output.The current common internal resistance of source
Larger, in test process, power supply easily burns, therefore power supply type selecting is very crucial.
Described stator temperature is the result that the temperature sensor that stator is carried is obtained by decoding chip.
Described environment temperature is the ambient temperature results of indoor temperature measurement equipment collection.
Described coupling is calculated, and allowing for stator temperature measurement result and environment temperature has stronger coupled relation,
, it is necessary to remove influence of the environment temperature to test result before whether judge temperature is qualified, relatively real temperature value is exported.Coupling
Hop algorithm embodies herein, mainly in conjunction with simulation result, calculates different room ambient conditions, inputs same loss, counts stator temperature
Degree, finally carries out interpolation fitting, obtains rational numerical tabular, carries out coupling temperature inquiry.
As a result evaluation system, is according to company standard and specific product technical requirements, the judgment criteria system of design.
The step of being exported according to power input to evaluation result is as follows：
1st, according to technical requirements, certain electric current is inputted to motor A~C phases；
2nd, the temperature after collection stator balance, input coupling calculator；
3rd, ambient temperature value is gathered, coupling calculator is input to；
4th, coupler is by two temperature, determination equivalent temperature of tabling look-up；
5th, finally judge whether equivalent temperature is qualified by decision-making system.
Above example is that, for the test before production, also a kind of implementation is in production completes ageing process
Test.Comparatively the test in ageing process ensure that influence of the assembling process to temperature sensor.In aging stand
Add other modules in addition to dc source, you can final products are measured.
Also a kind of implementation is, by hot fluid laboratory, to be passed through the higher water of temperature, measures stator temperature.It is this
Method is slower, is adapted to model machine checking and problem checking.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Present disclosure can be understood and implemented according to this, it is not intended to limit the scope of the present invention.It is all main according to the present invention
The modification for wanting the Spirit Essence of technical scheme to be done, should all be included within the scope of the present invention.
Claims (6)
1. new-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method, it is characterised in that including step：
S1, to permagnetic synchronous motor A~C phases input certain electric current；
After S2, motor balance, stator temperature is gathered, and be input to coupling calculator；
S3, collection environment temperature, and it is input to coupling calculator；
S4, coupling stator temperature and environment temperature of the calculator by input, determination equivalent temperature of tabling look-up；
S5, finally judge whether equivalent temperature is qualified by decision-making system.
2. new-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method according to claim 1,
Characterized in that, step S1 inputs certain electric current, the dc source using dc source to permagnetic synchronous motor A~C phases
Requirements of type selecting：Internal resistance is less than setting value, and power output is higher than setting.
3. new-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method according to claim 1,
Characterized in that, the stator temperature of step S2 collections, is that the temperature sensor that stator is carried is gathered after signal by decoding chip
Obtained result.
4. new-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method according to claim 1,
Characterized in that, the environment temperature of step S3 collections, is the ambient temperature results of indoor temperature measurement equipment collection.
5. new-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method according to claim 1,
Characterized in that, step S4 coupling calculator determines equivalent temperature, it is to combine simulation result, calculates different room ambient conditions, it is defeated
Enter same loss, count stator temperature, finally carry out interpolation fitting, obtain rational numerical tabular, carry out coupling temperature inquiry.
6. new-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method according to claim 1,
Characterized in that, step S5 decision-making system, is the judgment criteria system according to company standard and the design of specific product technical requirements
System.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710619040.8A CN107271071B (en) | 2017-07-26 | 2017-07-26 | New-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method |
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| CN201710619040.8A CN107271071B (en) | 2017-07-26 | 2017-07-26 | New-energy automobile permanent-magnetic synchronous motor stator temperature sensor consistency detecting method |
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| CN107271071A true CN107271071A (en) | 2017-10-20 |
| CN107271071B CN107271071B (en) | 2019-04-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076896A (en) * | 2021-11-15 | 2022-02-22 | 株洲尚驰电气有限公司 | Static test method for controlling multipoint loss of permanent magnet synchronous motor by excitation signal |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060247888A1 (en) * | 2005-04-18 | 2006-11-02 | Fanuc Ltd | Machine tool |
| CN102589891A (en) * | 2012-03-02 | 2012-07-18 | 北京理工大学 | Method for estimating endurance life of vehicle motor driving system |
| CN204964649U (en) * | 2015-09-08 | 2016-01-13 | 北京佩特来电机驱动技术有限公司 | Stator module's thermally stable testing arrangement |
| US20160137192A1 (en) * | 2014-11-13 | 2016-05-19 | Ford Global Technologies, Llc | Methods and systems for temperature sensor fault detection |
| CN106813807A (en) * | 2017-01-05 | 2017-06-09 | 中国科学院上海光学精密机械研究所 | The test device and method of testing of temperature sensor uniformity |
-
2017
- 2017-07-26 CN CN201710619040.8A patent/CN107271071B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060247888A1 (en) * | 2005-04-18 | 2006-11-02 | Fanuc Ltd | Machine tool |
| CN102589891A (en) * | 2012-03-02 | 2012-07-18 | 北京理工大学 | Method for estimating endurance life of vehicle motor driving system |
| US20160137192A1 (en) * | 2014-11-13 | 2016-05-19 | Ford Global Technologies, Llc | Methods and systems for temperature sensor fault detection |
| CN204964649U (en) * | 2015-09-08 | 2016-01-13 | 北京佩特来电机驱动技术有限公司 | Stator module's thermally stable testing arrangement |
| CN106813807A (en) * | 2017-01-05 | 2017-06-09 | 中国科学院上海光学精密机械研究所 | The test device and method of testing of temperature sensor uniformity |
Non-Patent Citations (1)
| Title |
|---|
| 杨国锋: "机电产品BIT设计中传感器选择与优化技术的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076896A (en) * | 2021-11-15 | 2022-02-22 | 株洲尚驰电气有限公司 | Static test method for controlling multipoint loss of permanent magnet synchronous motor by excitation signal |
| CN114076896B (en) * | 2021-11-15 | 2023-08-25 | 株洲尚驰电气有限公司 | Static test method for controlling multipoint loss of permanent magnet synchronous motor by excitation signal |
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| CN107271071B (en) | 2019-04-16 |
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