CN106053108A - Intra-motor over-current heat exchanging simulation testing apparatus inside motor - Google Patents

Intra-motor over-current heat exchanging simulation testing apparatus inside motor Download PDF

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Publication number
CN106053108A
CN106053108A CN201610329612.4A CN201610329612A CN106053108A CN 106053108 A CN106053108 A CN 106053108A CN 201610329612 A CN201610329612 A CN 201610329612A CN 106053108 A CN106053108 A CN 106053108A
Authority
CN
China
Prior art keywords
stator core
core segment
hot plate
electric hot
motor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610329612.4A
Other languages
Chinese (zh)
Inventor
于涛
安志华
刘双
杨越
秦光宇
韩荣娜
邢广
刘维维
张浩洋
顾鑫国
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harbin Electric Machinery Co Ltd
Original Assignee
Harbin Electric Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harbin Electric Machinery Co Ltd filed Critical Harbin Electric Machinery Co Ltd
Priority to CN201610329612.4A priority Critical patent/CN106053108A/en
Publication of CN106053108A publication Critical patent/CN106053108A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00Subject matter not provided for in other groups of this subclass
    • G01M99/002Thermal testing

Abstract

The invention relates to an intra-motor over-current heat exchanging simulation testing apparatus. The simulation testing apparatus can fully simulate heating and heat exchanging of an iron core of a motor, and safeguards accurate simulation for testing over-current slotted vanes of all kinds of new structures or heat exchanging coefficients of the stator iron core. Testing data can directly reflect the cooling effects of an innovative structure, play a decisive role in determining whether to adopt a new structure of a key part, and can provide accurate testing data in conducting temperature rising calculation. The simulation testing apparatus can serve as a detection device for evaluating the innovative structure of the motor, and has important significance in innovation work like strengthening the cooling effects of the motor and increasing motor cooling technology.

Description

Stream heat exchange simulating test device is crossed in motor
Technical field
Stream heat exchange simulating test device is crossed in the present invention relates to a kind of motor.
Background technology
The heating of motor is the topic that Subject " Electric Machinery " is eternal all the time with Study on Cooling, for large-size machine, New-type electric machine more It is particularly important.Along with the development of motor cause, the requirement for motor cooling the most never considers design more degree, motor Each spot temperature i.e. can be changed in safety range will be with minimum cooling flow and minimum wind moussing loss to meet motor Cooling requirement.Owing to being retrained by the mechanics of materials and physical characteristic, the volumetric wear at each position of motor all can not overstep the extreme limit Value, the most each motor manufacturing enterprise by the structure innovation of key position improves heat generating components and can only cool down changing of air Hot property, thus realize high efficiency cooling effect.
After key position is carried out structure innovation, the quality how evaluating new construction becomes again each motor manufacturing enterprise Puzzlement, how by the method for test the cooling effect of various new constructions evaluated intuitively and becomes in the urgent need to solving Problem certainly.
Summary of the invention
It is an object of the invention to the cooling effect of motor innovation structure carry out visual evaluation, calculates offer for temperature rise accurately The simulating test device of the coefficient of heat transfer.It is an object of the invention to be achieved through the following technical solutions: by support (1), turbulent flow Linkage section (2), cold resistance net (3), thermal resistance net (4), housing (5), stator core segment A (6), stator core segment B (7), stator Stack of lamination C (8), stator core segment D (9), stator core segment E (10), stator core segment F (11), electric hot plate A (12), electric hot plate B (13), electric hot plate C (14), excessively chute sheet A (15), excessively chute sheet B (16), stretching screw (17), pressing plate (18), diverter (19), thermocouple (20), logging (21), centrifugal blower (22) and converter (23) composition, support (1) is placed on platform also Fastening with lower margin, centrifugal blower (22), turbulent flow linkage section (2) and housing (5) pass sequentially through Flange joint and are bolted It is integrally forming with support (1), has circular hole in the relevant position of housing (5) and be used for fixing cold resistance net (3) and thermal resistance net (4), and being all connected on logging (21) by the lead-in wire of cold resistance net (3) and thermal resistance net (4), it is fixed to install in housing (5) Sub-stack of lamination A (6), stator core segment B (7), stator core segment C (8), stator core segment D (9), stator core segment E (10), fixed Sub-stack of lamination F (11), electric hot plate A (12), electric hot plate B (13), electric hot plate C (14), excessively chute sheet A (15), excessively chute sheet B (16), electric hot plate A (12) is installed between stator core segment A (6) and stator core segment B (7), in stator core segment C (8) and calmly Electric hot plate B (13) is installed between sub-stack of lamination D (9), electricity is installed between stator core segment E (10) and stator core segment F (11) Hot plate C (14), installed chute sheet A (15), in stator core segment D between stator core segment B (7) and stator core segment C (8) (9) and chute sheet B (16) was installed between stator core segment E (10), stretching screw (17) was gone here and there housing (5) bottom, stator Stack of lamination A (6), stator core segment B (7), stator core segment C (8), stator core segment D (9), stator core segment E (10), stator Stack of lamination F (11), electric hot plate A (12), electric hot plate B (13), electric hot plate C (14), cross chute sheet A (15), cross chute sheet B (16) and The corresponding aperture of pressing plate (18), becomes one after being fastened by nut, one end of diverter (19) feeds unidirectional current, the other end and electric heating Plate A (12), electric hot plate B (13), electric hot plate C (14) are connected, in stator core segment A (6), stator core segment B (7), stator core Section C (8), stator core segment D (9), stator core segment E (10), stator core segment F are all embedded with several thermocouples in (11) (20), and being all connected on logging (21) by all thermocouples (20), centrifugal blower (22) is by electric wire and converter (23) It is connected.
Described turbulent linkage section (2) length all should have on the relevant position of housing (5) biside plate more than 0.5 meter Circular hole is used for going between for electric hot plate A (12), electric hot plate B (13), electric hot plate C (14) and thermocouple (20), centrifugal blower (22) Choose and should ensure that chute sheet A (15) and crossed chute sheet B (16) interior air velocity at 20-40 meter per second, the capacity of converter (23) To match with centrifugal blower (22).
Technique effect
Cross stream heat exchange simulating test device in motor and various new constructions can be crossed chute sheet or stator core in difference The coefficient of heat transfer under wind speed is simulated test, and test data can reflect chute sheet or the stator core excessively of new construction intuitively Cooling effect, but also can to innovation after stator bar and stator core carry out temperature rise calculate time provide the coefficient of heat transfer Test data, with this ensure calculate accuracy.Electric machine stator iron can fully be sent out by this simulating test device Heat and heat exchange are simulated, can exactly the various new construction of simulation test cross chute sheet or the coefficient of heat transfer of stator core, For strengthening cooling effect of motor, lifting motor cooling technology provides solid technical guarantee.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention;
Fig. 2 is that A is to partial enlarged drawing.
Detailed description of the invention
As shown in Figure 1, 2, in a kind of motor, cross stream heat exchange simulating test device, by support 1, turbulent flow linkage section 2, cold resistance Net 3, thermal resistance net 4, housing 5, stator core segment A6, stator core segment B7, stator core segment C8, stator core segment D9, stator Stack of lamination E10, stator core segment F11, electric hot plate A12, electric hot plate B13, electric hot plate C14, excessively chute sheet A15, excessively chute sheet B16, stretching screw 17, pressing plate 18, diverter 19, thermocouple 20, logging 21, centrifugal blower 22 and converter 23 form, Frame 1 is placed on platform and fastens with lower margin, and centrifugal blower 22, turbulent flow linkage section 2 and housing 5 pass sequentially through Flange joint and lead to Cross that bolt is fixing to be integrally forming with support 1, have circular hole in the relevant position of housing 5 and be used for fixing cold resistance net 3 and thermal resistance Net 4, and the lead-in wire of cold resistance net 3 and thermal resistance net 4 is all connected on logging 21, stator core segment is installed in housing 5 A6, stator core segment B7, stator core segment C8, stator core segment D9, stator core segment E10, stator core segment F11, electric hot plate A12, electric hot plate B13, electric hot plate C14, excessively chute sheet A15, excessively chute sheet B16, in stator core segment A6 and stator core segment B7 Between install electric hot plate A12, between stator core segment C8 and stator core segment D9 install electric hot plate B13, in stator core segment Electric hot plate C14 is installed between E10 and stator core segment F11, stream was installed between stator core segment B7 and stator core segment C8 Slotted vane A15, installed chute sheet B16 between stator core segment D9 and stator core segment E10, and stretching screw 17 went here and there housing Bottom 5, stator core segment A6, stator core segment B7, stator core segment C8, stator core segment D9, stator core segment E10, stator Stack of lamination F11, electric hot plate A12, electric hot plate B13, electric hot plate C14, excessively chute sheet A15, excessively chute sheet B16 and the correspondence of pressing plate 18 Hole, becomes one after being fastened by nut, one end of diverter 19 feeds unidirectional current, the other end and electric hot plate A12, electric hot plate B13, Electric hot plate C14 is connected, in stator core segment A6, stator core segment B7, stator core segment C8, stator core segment D9, stator core Section E10, stator core segment F11 are all embedded with several thermocouples 20, and all thermocouples 20 are all connected to logging 21 On, centrifugal blower 22 is connected with converter 23 by electric wire.
Turbulent flow linkage section 2 length should more than 0.5 meter, the relevant position of housing 5 biside plate all has circular hole for for Electric hot plate A12, electric hot plate B13, electric hot plate C14 and thermocouple 20 go between, and choosing of centrifugal blower 22 should ensure that chute sheet A15 To match with centrifugal blower 22 at 20-40 meter per second, the capacity of converter 23 with air velocity in chute sheet B16 excessively.At environment Under conditions of temperature stabilization, cold resistance net 3 and thermal resistance net 4 are demarcated, record ambient temperature, cold resistance net 3 and thermoelectricity The resistance value of resistance net 4, regulation converter 23 makes centrifugal blower 22 run under different rotating speeds, at the medial plane of thermal resistance net 4 Air mass flow is measured, by diverter 19 be electric hot plate A12, electric hot plate B13, electric hot plate C14 the direct current specified is provided Electricity makes it generate heat, logging 21 fixed time test cold resistance net 3 and the resistance value of thermal resistance net 4 and the magnitude of voltage of thermocouple 20, When the resistance value of thermal resistance net 4 changed less than 0.1 ohm in 20 minutes, simulating test device reaches thermally-stabilised, preserves The test data of logging 21, can obtain the heat exchange system of electric machine stator iron under this wind speed after processing test data Number, after diverter 19 and feeds under each appointment rotating speed of centrifugal blower 22 unidirectional current of correspondence, carries out repeating simulation test The coefficient of heat transfer that can grasp electric machine stator iron all sidedly under different wind speed is processed with data.

Claims (2)

1. cross a stream heat exchange simulating test device in motor, it is characterized in that: by support (1), turbulent flow linkage section (2), cold resistance Net (3), thermal resistance net (4), housing (5), stator core segment A (6), stator core segment B (7), stator core segment C (8), stator ferrum Heart section D (9), stator core segment E (10), stator core segment F (11), electric hot plate A (12), electric hot plate B (13), electric hot plate C (14), Cross chute sheet A (15), excessively chute sheet B (16), stretching screw (17), pressing plate (18), diverter (19), thermocouple (20), patrol and examine Instrument (21), centrifugal blower (22) and converter (23) composition, support (1) is placed on platform and fastens with lower margin, centrifugal blower (22), turbulent flow linkage section (2) and housing (5) pass sequentially through Flange joint being bolted and be integrally forming with support (1), The relevant position of housing (5) has circular hole and is used for fixing cold resistance net (3) and thermal resistance net (4), and by cold resistance net (3) and heat The lead-in wire of resistance net (4) is all connected on logging (21), installs stator core segment A (6), stator core segment B in housing (5) (7), stator core segment C (8), stator core segment D (9), stator core segment E (10), stator core segment F (11), electric hot plate A (12), electric hot plate B (13), electric hot plate C (14), cross chute sheet A (15), cross chute sheet B (16), in stator core segment A (6) and calmly Electric hot plate A (12) is installed between sub-stack of lamination B (7), electric heating is installed between stator core segment C (8) and stator core segment D (9) Plate B (13), installs electric hot plate C (14), in stator core segment B between stator core segment E (10) and stator core segment F (11) (7) and chute sheet A (15) was installed between stator core segment C (8), stator core segment D (9) and stator core segment E (10) it Between chute sheet B (16) was installed, stretching screw (17) was gone here and there housing (5) bottom, stator core segment A (6), stator core segment B (7), stator core segment C (8), stator core segment D (9), stator core segment E (10), stator core segment F (11), electric hot plate A (12), electric hot plate B (13), electric hot plate C (14), excessively chute sheet A (15), mistake chute sheet B (16) and the corresponding aperture of pressing plate (18), general Becoming one after nut fastening, one end of diverter (19) feeds unidirectional current, the other end and electric hot plate A (12), electric hot plate B (13), electric hot plate C (14) is connected, in stator core segment A (6), stator core segment B (7), stator core segment C (8), stator core Section D (9), stator core segment E (10), stator core segment F (11) are all embedded with several thermocouples (20), and by all thermoelectricity Even (20) are all connected on logging (21), and centrifugal blower (22) is connected with converter (23) by electric wire.
Cross stream heat exchange simulating test device in a kind of motor the most according to claim 1, it is characterized in that: described turbulent flow is even The section of connecing (2) length should all have circular hole for for electric hot plate A more than 0.5 meter on the relevant position of housing (5) biside plate (12), electric hot plate B (13), electric hot plate C (14) and thermocouple (20) lead-in wire, choosing of centrifugal blower (22) should ensure that chute sheet A (15) and chute sheet B (16) interior air velocity excessively are at 20-40 meter per second, and the capacity of converter (23) will be with centrifugal blower (22) phase Coupling.
CN201610329612.4A 2016-05-18 2016-05-18 Intra-motor over-current heat exchanging simulation testing apparatus inside motor Pending CN106053108A (en)

Priority Applications (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107035710A (en) * 2017-06-23 2017-08-11 深圳库博能源科技有限公司 A kind of turbulence type takes out dirt, exhausting and air-supply arrangement

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100782973B1 (en) * 2006-05-16 2007-12-07 삼성전자주식회사 Compressor testing apparatus
US7370485B2 (en) * 2004-01-16 2008-05-13 Samsung Electronics Co., Ltd. Performance testing apparatus of refrigerating cycle
CN102507643A (en) * 2011-11-21 2012-06-20 哈尔滨电机厂有限责任公司 Ventilating and temperature increasing test device for giant fully-air cooling hydraulic generator stator
CN205749361U (en) * 2016-05-18 2016-11-30 哈尔滨电机厂有限责任公司 Electric machine stator iron tube heat transfer coefficient measuring device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7370485B2 (en) * 2004-01-16 2008-05-13 Samsung Electronics Co., Ltd. Performance testing apparatus of refrigerating cycle
KR100782973B1 (en) * 2006-05-16 2007-12-07 삼성전자주식회사 Compressor testing apparatus
CN102507643A (en) * 2011-11-21 2012-06-20 哈尔滨电机厂有限责任公司 Ventilating and temperature increasing test device for giant fully-air cooling hydraulic generator stator
CN205749361U (en) * 2016-05-18 2016-11-30 哈尔滨电机厂有限责任公司 Electric machine stator iron tube heat transfer coefficient measuring device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107035710A (en) * 2017-06-23 2017-08-11 深圳库博能源科技有限公司 A kind of turbulence type takes out dirt, exhausting and air-supply arrangement

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