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 PDFInfo
- 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
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- China
- Prior art keywords
- stator core
- core segment
- hot plate
- electric hot
- motor
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- 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.)
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/002—Thermal 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
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.
Priority Applications (1)
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CN201610329612.4A CN106053108A (en) | 2016-05-18 | 2016-05-18 | Intra-motor over-current heat exchanging simulation testing apparatus inside motor |
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CN201610329612.4A CN106053108A (en) | 2016-05-18 | 2016-05-18 | Intra-motor over-current heat exchanging simulation testing apparatus inside motor |
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CN106053108A true CN106053108A (en) | 2016-10-26 |
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CN201610329612.4A Pending CN106053108A (en) | 2016-05-18 | 2016-05-18 | Intra-motor over-current heat exchanging simulation testing apparatus inside motor |
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Cited By (1)
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)
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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 |
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2016
- 2016-05-18 CN CN201610329612.4A patent/CN106053108A/en active Pending
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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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)
Publication number | Priority date | Publication date | Assignee | Title |
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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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Application publication date: 20161026 |
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