CN106610454A - Quantitative detection device and method for iron loss of motor based on leading out of heat - Google Patents
Quantitative detection device and method for iron loss of motor based on leading out of heat Download PDFInfo
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- CN106610454A CN106610454A CN201510488939.1A CN201510488939A CN106610454A CN 106610454 A CN106610454 A CN 106610454A CN 201510488939 A CN201510488939 A CN 201510488939A CN 106610454 A CN106610454 A CN 106610454A
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- heat
- motor
- iron loss
- measured
- conducting medium
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 52
- 238000001514 detection method Methods 0.000 title claims abstract description 13
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 27
- 230000008859 change Effects 0.000 claims abstract description 11
- 230000005284 excitation Effects 0.000 claims abstract description 6
- 238000004321 preservation Methods 0.000 claims description 23
- 238000012360 testing method Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000002513 implantation Methods 0.000 claims description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000000696 magnetic material Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000003137 locomotive effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Abstract
The invention relates to a quantitative detection device and method for iron loss of a motor based on leading out of heat. The detection device comprises a heat-insulation container, a heat conducting medium, an excitation unit, a motor body to be measured and temperature measuring components, wherein the heat conducting medium is distributed in the heat-insulation container uniformly, and the excitation unit and the temperature measuring components are arranged in the heat-insulation container. The detection method comprises that the motor body to be measured is placed in the heat-insulation container, the motor body generates iron loss and heat via the excitation unit, emitted heat is led out by the heat conducting medium, and the temperature measuring components measure temperature change of the heat conducting medium and obtains iron loss of the motor by calculation. Compared with the prior art, the device and method have the advantages including simple operation and real and reliable measuring results.
Description
Technical field
The present invention relates to a kind of motor iron loss quantitative testing device and method, more particularly, to a kind of motor iron loss quantitative testing device based on heat derives and method.
Background technology
The loss of motor is divided into copper loss, iron loss and mechanical loss, and these three losses are the principal elements for affecting motor working efficiency.Because iron loss and machinery damage introduce in the design process more empirical parameter, how accurate quantitative analysis damage copper loss, iron loss and machinery is peeled off a technical barrier for always perplexing electromechanics trade.Compared with constant speed motor, due to high rotating speed, iron loss and mechanical loss are quite big for high-speed electric expreess locomotive.Therefore, being precisely separating motor iron loss will provide scientific guidance for high-speed electric expreess locomotive design improvement.
Need to quote the material iron loss parameter that stalloy producer provides with regard to the calculating of iron loss in the electric efficiency design phase.Stalloy producer carries out electrical sheet iron loss test using epstein frame method of testing.However, the method is existed, the making of sample and loading are loaded down with trivial details, need the shortcomings of carrying out stress relief annealing, waste a large amount of sample materials, and test instrunment is bulky, is not suitable for the demand of motor iron loss Site Detection.
Epstein frame test is the test carried out for raw material standards sample, it is impossible to the change of iron loss parameter under virtual condition of the correct reflection stalloy through PROCESS FOR TREATMENT such as punching press, the folded, fine grindings of riveting and after being assembled to motor body.Meanwhile, also there are parts made by some other magnetic materials in motor entirety, these parts can equally produce iron loss under action of alternating magnetic field.So, carry out iron loss calculating only with epstein frame test result has larger difference with actual whole machine iron loss, and the iron loss measurement for whole machine needs further exploration.
The content of the invention
The purpose of the present invention is exactly the defect in order to overcome above-mentioned prior art to exist and provides a kind of motor iron loss quantitative testing device and method of simple to operate, measurement result really and accurately based on heat derives.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of motor iron loss quantitative testing device based on heat derives, it is characterized in that, the device includes heat-insulation and heat-preservation container, heat-conducting medium, Energizing unit, motor body to be measured and temperature-measuring element, described heat-conducting medium is uniformly distributed in described heat-insulation and heat-preservation container, and described Energizing unit and temperature-measuring element is positioned in cool-bag；
Motor body to be measured is positioned in described heat-insulation and heat-preservation container, Energizing unit acts on motor body to be measured and produces iron loss and generate heat, the heat for sending is derived by described heat-conducting medium, and after the temperature change of described temperature-measuring element measurement heat-conducting medium motor iron loss is calculated.
Described Energizing unit includes treating that measured motor magnetizes rotor, the wake turbulence blade for stirring described heat-conducting medium and dragging motor, described wake turbulence blade and dragging motor be connected to it is described treat measured motor magnetize rotor rotating shaft on.
Described heat-conducting medium is fluid heat-conducting medium.
Retainer for fixing motor body to be measured is installed in described heat-insulation and heat-preservation container.
Described temperature-measuring element includes temperature sensor and the data processor being sequentially connected, and described temperature sensor is placed in heat-insulation and heat-preservation container.
The detection method is comprised the following steps：
(1) motor body to be measured is assembled, it is M to measure its quality, and is installed in heat-insulation and heat-preservation container；
(2) to the heat-conducting medium that implantation quality in heat-insulation and heat-preservation container is m, specific heat capacity is C；
(3) by treating in Energizing unit, the measured motor rotor that magnetizes inserts motor body to be measured and is fixed in heat-insulation and heat-preservation container；
(4) dragging motor treats measured motor body applying Alternating Current Excitation load, and the time t of steady operation setting measures heat-conducting medium temperature change size for Δ T by temperature-measuring element；
(5) required energy Q is calculated according to heat-conducting medium temperature change size delta T, its computing formula is：Q=Cm Δ T；
(6) energy size is scaled into motor body iron loss power P to be measured, its computing formula is P=Q/t；
(7) by iron loss power conversion stator iron loss material parameter PFE, its computing formula is PFE=P/M.
Compared with prior art, the invention has the advantages that：
(1) detection method is tested for whole machine rank, and as a result closer to actual condition, data are more reliable；
(2) detection method is as a result more reliable for considering the impact of magnetic material processing technique and assembly technology to iron loss parameter；
(3) the detection method test philosophy only counts the iron loss heating of magnetic material, there is no machinery and damages and copper loss, simple to operate, reliable results；
(4) detection method can peel off the loss of electric machine (copper loss/iron loss/machinery is damaged) subdivision, and for follow-up improvement scientific guidance is provided；
(5) detection method is particularly well-suited to the whole machine iron loss detection of middle small machine；
(6) result for drawing can directly correct motor FEM (finite element) model, make subsequent simulation result more reliable.
Description of the drawings
Fig. 1 is structural representation of the present invention based on the motor iron loss quantitative testing device of heat derives.
In figure, 1 is motor body to be measured, and 2 magnetize rotor to treat measured motor, and 3 is wake turbulence blade, and 4 is dragging motor, and 5 is heat-insulation and heat-preservation container, and 6 is temperature-measuring element, and 7 is retainer, and 8 is heat-conducting medium.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in detail with specific embodiment.
Embodiment
As shown in Figure 1, a kind of motor iron loss quantitative testing device based on heat derives includes heat-insulation and heat-preservation container 5, heat-conducting medium 8, Energizing unit, motor body to be measured 1 and temperature-measuring element 6, described heat-conducting medium 8 is uniformly distributed in heat-insulation and heat-preservation container 5 for fluid heat-conducting medium 8, described Energizing unit and temperature-measuring element 6 is fixed in cool-bag, wherein being that heat exchange occurs with external environment in order to reduce system using heat-insulation and heat-preservation container 5.Described Energizing unit includes treating that measured motor magnetizes rotor 2, the wake turbulence blade 3 for stirring described heat-conducting medium 8 and dragging motor 4, described wake turbulence blade 3 and dragging motor 4 be connected to it is described treat measured motor magnetize rotor 2 rotating shaft on.It is also equipped with the retainer 7 for fixing motor body to be measured 1 in heat-insulation and heat-preservation container 5 in addition.By actual condition, motor body to be measured 1 is set to produce iron loss and generate heat by Energizing unit, the heat that iron loss is produced is derived by heat-conducting medium 8, the temperature change of heat-conducting medium 8 is measured using temperature-measuring element 6, the caloric value of motor body to be measured 1 is finally calculated, the relevant parameters such as iron loss can be further drawn.Wherein need to stir heat-conducting medium 8 using wake turbulence blade 3, heat is quickly derived and thermally equivalent, it is ensured that the indicating value of temperature-measuring element 6 is credible.In order that the temperature rise of heat-conducting medium 8 is obvious and is easy to measurement, can simultaneously be tested using multiple tested motor bodies 1.
A kind of motor iron loss quantitative detecting method based on heat derives of the present invention specifically includes following steps：
(1) motor body 1 to be measured is assembled, it is M (Kg) to measure its quality, and is installed on the retainer 7 in heat-insulation and heat-preservation container 5；
(2) to the fluid heat-conducting medium 8 that implantation quality in heat-insulation and heat-preservation container 5 is m (Kg), specific heat capacity is C (J/Kg DEG C)；
(3) by treating in Energizing unit, the measured motor rotor 2 that magnetizes inserts motor body to be measured 1 and is fixed in heat-insulation and heat-preservation container 5；
(4) measured motor body 1 is treated by dragging motor 4 and applies Alternating Current Excitation load, time t (s) of steady operation setting, measurement heat-conducting medium 8 temperature change size is Δ T (DEG C).
(5) required energy Q (J) is calculated according to temperature change size delta T of heat-conducting medium 8, its computing formula is：Q=Cm Δ T；
(6) energy size is scaled into the iron loss power P (W) of motor body to be measured 1, its computing formula is P=Q/t；
(7) by iron loss power conversion stator iron loss material parameter PFE(W/Kg), its computing formula is PFE=P/M.
Claims (6)
1. a kind of motor iron loss quantitative testing device based on heat derives, it is characterised in that the device include every
Hot cool-bag, heat-conducting medium, Energizing unit, motor body to be measured and temperature-measuring element, described heat conduction is situated between
Matter is uniformly distributed in described heat-insulation and heat-preservation container, and described Energizing unit and temperature-measuring element is positioned over heat-insulated
In cool-bag；
Motor body to be measured is positioned in described heat-insulation and heat-preservation container, Energizing unit acts on motor body to be measured
Produce iron loss and generate heat, the heat for sending is derived by described heat-conducting medium, described temperature-measuring element measurement
Motor iron loss is calculated after the temperature change of heat-conducting medium.
2. a kind of motor iron loss quantitative testing device based on heat derives according to claim 1, it is special
Levy and be, described Energizing unit includes treating that measured motor magnetizes rotor, the wake turbulence for stirring described heat-conducting medium
Blade and dragging motor, described wake turbulence blade and dragging motor is connected to described treats that measured motor magnetizes rotor
Rotating shaft on.
3. a kind of motor iron loss quantitative testing device based on heat derives according to claim 1, it is special
Levy and be, described heat-conducting medium is fluid heat-conducting medium.
4. a kind of motor iron loss quantitative testing device based on heat derives according to claim 1, it is special
Levy and be, the retainer for fixing motor body to be measured is installed in described heat-insulation and heat-preservation container.
5. a kind of motor iron loss quantitative testing device based on heat derives according to claim 1, it is special
Levy and be, described temperature-measuring element includes temperature sensor and the data processor being sequentially connected, described temperature
Degree sensor is placed in heat-insulation and heat-preservation container.
6. a kind of motor iron loss quantitative detecting method based on heat derives as claimed in claim 2, its feature
It is that the detection method is comprised the following steps：
(1) motor body to be measured is assembled, it is M to measure its quality, and is installed in heat-insulation and heat-preservation container；
(2) to the heat-conducting medium that implantation quality in heat-insulation and heat-preservation container is m, specific heat capacity is C；
(3) by treating in Energizing unit, the measured motor rotor that magnetizes inserts motor body to be measured and is fixed on heat-insulation and heat-preservation
In container；
(4) dragging motor treats measured motor body applying Alternating Current Excitation load, and the time t of steady operation setting leads to
Excess temperature measuring cell measurement heat-conducting medium temperature change size is Δ T；
(5) required energy Q is calculated according to heat-conducting medium temperature change size delta T, its computing formula is：
Q=Cm Δ T；
(6) energy size is scaled into motor body iron loss power P to be measured, its computing formula is P=Q/t；
(7) by iron loss power conversion stator iron loss material parameter PFE, its computing formula is PFE=P/M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510488939.1A CN106610454B (en) | 2015-08-11 | 2015-08-11 | Motor iron loss quantitative detection device and method based on heat derivation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510488939.1A CN106610454B (en) | 2015-08-11 | 2015-08-11 | Motor iron loss quantitative detection device and method based on heat derivation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106610454A true CN106610454A (en) | 2017-05-03 |
| CN106610454B CN106610454B (en) | 2023-08-29 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07218610A (en) * | 1994-02-04 | 1995-08-18 | Nippon Steel Corp | Apparatus for measuring iron loss in rotating field of motor core |
| US5510664A (en) * | 1992-09-10 | 1996-04-23 | Ricoh Company, Ltd. | Brushless motor |
| CN101221221A (en) * | 2008-01-25 | 2008-07-16 | 四川东风电机厂有限公司 | Bulb through-flow type hydraulic turbogenerator stator iron loss testing method |
| CN101788512A (en) * | 2010-02-23 | 2010-07-28 | 中国电力科学研究院 | Device and method for measuring heat effect of magnetic material in alternating magnetic field |
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| JP2012052948A (en) * | 2010-09-02 | 2012-03-15 | Seiko Epson Corp | Device and method for measuring loss of electric motor |
| CN102738993A (en) * | 2012-07-09 | 2012-10-17 | 福建亚南电机有限公司 | Internal-rotor intermediate-frequency permanent magnet generator device |
| US20130028292A1 (en) * | 2011-07-29 | 2013-01-31 | Fanuc Corporation | Temperature detection device that detects temperature of rotor of motor |
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-
2015
- 2015-08-11 CN CN201510488939.1A patent/CN106610454B/en active Active
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|---|---|---|---|---|
| US5510664A (en) * | 1992-09-10 | 1996-04-23 | Ricoh Company, Ltd. | Brushless motor |
| JPH07218610A (en) * | 1994-02-04 | 1995-08-18 | Nippon Steel Corp | Apparatus for measuring iron loss in rotating field of motor core |
| CN101221221A (en) * | 2008-01-25 | 2008-07-16 | 四川东风电机厂有限公司 | Bulb through-flow type hydraulic turbogenerator stator iron loss testing method |
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| JP2012052948A (en) * | 2010-09-02 | 2012-03-15 | Seiko Epson Corp | Device and method for measuring loss of electric motor |
| CN201852888U (en) * | 2010-10-28 | 2011-06-01 | 河南省电力公司平顶山供电公司 | Device for testing dielectric loss under high voltage |
| US20130028292A1 (en) * | 2011-07-29 | 2013-01-31 | Fanuc Corporation | Temperature detection device that detects temperature of rotor of motor |
| CN102738993A (en) * | 2012-07-09 | 2012-10-17 | 福建亚南电机有限公司 | Internal-rotor intermediate-frequency permanent magnet generator device |
| CN104467303A (en) * | 2013-09-16 | 2015-03-25 | 现代自动车株式会社 | Structure of measuring iron loss of motor stator core |
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| CN106610454B (en) | 2023-08-29 |
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Effective date of registration: 20231225 Address after: 201107 room 337, building 2, 168 Mingjia Road, Minhang District, Shanghai Patentee after: SHANGHAI MINGZHI PAIBOSI AUTOMATION TECHNOLOGY CO.,LTD. Address before: No.168 Mingjia Road, Minbei Industrial Zone, Minhang District, Shanghai 201107 Patentee before: SHANGHAI MOONS' ELECTRIC Co.,Ltd. |