CN110044611A - A kind of electromagnetic type shaft coupling combination property test desk and its test method - Google Patents
A kind of electromagnetic type shaft coupling combination property test desk and its test method Download PDFInfo
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- CN110044611A CN110044611A CN201910337396.1A CN201910337396A CN110044611A CN 110044611 A CN110044611 A CN 110044611A CN 201910337396 A CN201910337396 A CN 201910337396A CN 110044611 A CN110044611 A CN 110044611A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
- G01M13/00—Testing of machine parts
- G01M13/02—Gearings; Transmission mechanisms
- G01M13/022—Power-transmitting couplings or clutches
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/12—Measuring magnetic properties of articles or specimens of solids or fluids
- G01R33/1253—Measuring galvano-magnetic properties
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- Condensed Matter Physics & Semiconductors (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of electromagnetic type shaft coupling combination property test desk and its test methods, including rotary inductive motor, power meter, intelligent speed-regulating electromagnetic type shaft coupling, temperature sensor, water pump, throttle valve, flowmeter, bucket；The intelligent speed-regulating electromagnetic type shaft coupling includes excitation rotor, cage rotor, and fixing axle is fixed on the excitation rotor, is fixed with telescopic shaft on cage rotor；The power output shaft of the rotary inductive motor is connected and fixed with fixing axle, and telescopic shaft is fixedly connected with the water pump shaft in water pump；First rotary encoder, the first torque inductance gauge are installed, telescopic shaft is equipped with the second rotary encoder, the second torque inductance gauge in the fixing axle；Through the invention, measurement condition is comprehensive.Various performance indicators, temperature, efficiency, power factor, energy-saving effect can be measured；It can carry out various comparisons.The comparison between shaft coupling and the comparison of shaft coupling and throttle valve may be implemented.
Description
Technical field
The invention discloses a kind of electromagnetic type shaft coupling combination property test desk and its test methods, belong to electromagnetic speed-adjusting biography
Dynamic field, can the performance for electromagnetic type shaft coupling comprehensively tested, be mainly used in setting for electromagnetic type shaft coupling sample
The meter stage accurately can carry out test to the designed various indexs of electromagnetic type shaft coupling and carry out pair with conventional throttle valve
Than to verify the energy-saving effect and practicability of designed electromagnetic type shaft coupling.The device can apply to electromagnetic type shaft coupling
Test occasion, the shaft coupling that can be tested are as follows: intelligent speed-regulating electromagnetic type shaft coupling, disc type speed regulation electromagnetic type shaft coupling, vortex
Formula electromagnetic type shaft coupling, machenical coupling etc..
Background technique
Electromagnetic type shaft coupling has many advantages, for example, it is easy to maintain, energy saving, can reduce vibration and soft start etc..And
The type of electromagnetic type shaft coupling is varied at present, speed adjustable range, temperature rise, loss and energy-saving effect of electromagnetic type shaft coupling etc.
Index is affected to electromagnetic type shaft coupling.Therefore it needs to carry out Comprehensive Correlation to the performance of electromagnetic type shaft coupling.
After the completion of the manufacture of electromagnetic type shaft coupling, follow common shaft coupling test method and device, it is clear that be not able to satisfy to each
The requirement of kind shaft coupling Comprehensive Correlation, therefore the test of the motor force characteristic performance index becomes main problem.
The present apparatus passes through sensor and some measuring devices using water pump as load, it can in this test device directly
Test out the efficiency in electromagnetic type shaft coupling, temperature rise and the energy-saving effect compared with throttle valve.
Summary of the invention
The purpose of the present invention is to prior art problem, provide a kind of electromagnetic type shaft coupling combination property test desk and
Its test method.
The object of the present invention is achieved like this: a kind of electromagnetic type shaft coupling combination property test desk, it is characterized in that: including
Rotary inductive motor, power meter, intelligent speed-regulating electromagnetic type shaft coupling, temperature sensor, water pump, throttle valve, flowmeter, bucket；
The intelligent speed-regulating electromagnetic type shaft coupling includes excitation rotor, cage rotor, excitation rotor and cage rotor clearance fit,
It is fixed with fixing axle on the excitation rotor, is fixed with telescopic shaft on cage rotor；
The power output shaft of the rotary inductive motor is connected and fixed with fixing axle, and telescopic shaft is fixed with the water pump shaft in water pump
Connection；
First rotary encoder, the first torque inductance gauge are installed, telescopic shaft is equipped with the second rotary coding in the fixing axle
Device, the second torque inductance gauge；
First rotary encoder is used to measure the excitation rotor revolving speed of intelligent speed-regulating electromagnetic type shaft coupling, and the second rotary encoder is used
In the cage rotor revolving speed of measurement intelligent speed-regulating electromagnetic type shaft coupling；First torque inductance gauge is for measuring intelligent speed-regulating electromagnetic type
The excitation rotor torque of shaft coupling, the cage rotor that the second torque inductance gauge is used to measure intelligent speed-regulating electromagnetic type shaft coupling are turned round
Square；
The power meter is installed on rotary inductive motor, for measuring the apparent energy and active power of rotary inductive motor；
The temperature sensor is installed on intelligent speed-regulating electromagnetic type shaft coupling, for measuring intelligent speed-regulating electromagnetic type shaft coupling
Temperature rise；
The water pump is installed on the load side of intelligent speed-regulating electromagnetic type shaft coupling, the water pump shaft for taking load, in water pump
It is fixedly connected with telescopic shaft；
The pump intake of the water pump is penetrated through through the bucket water outlet of the first water pipe and bucket, and the pump outlet of water pump is through the
The perforation of the bucket water inlet of two water pipes and bucket；
The throttle valve is installed on the pump outlet of water pump；The flowmeter is installed on the second water pipe.
The first torque inductance gauge is placed between the first rotary encoder, intelligent speed-regulating electromagnetic type shaft coupling.
Second rotary encoder is placed between the second torque inductance gauge, intelligent speed-regulating electromagnetic type shaft coupling.
Bucket water inlet on the bucket is located at the top of bucket, and bucket water outlet is located at the lower part side of bucket；Institute
State the one end for the water inlet that flowmeter is installed on close to bucket.
A kind of method that electromagnetic type shaft coupling combination property test desk is tested, it is characterized in that:
1) throttle valve adjustment flow is used；
Intelligent speed-regulating electromagnetic type shaft coupling is locked, intelligent speed-regulating electromagnetic type shaft coupling only serves the effect of mechanical connection at this time,
Adjust throttle valve make flow from 0 variation be nominal flow rate, draw out the power of consumption with flow by the data that power meter is measured
Change curve and power factor with flow change curve；The data according to measured by flowmeter calculate effective output work
Rate, and then the efficiency of whole system is obtained with the change curve of flow；
2) flow is adjusted using intelligent speed-regulating electromagnetic type shaft coupling；
Throttle valve is fully opened, flow is adjusted by intelligent speed-regulating electromagnetic type shaft coupling；It is adjusted by adjusting telescopic shaft
The revolutional slip of excitation rotor and cage rotor, and then adjust flow；First by the coupling area tune of excitation rotor and cage rotor
To small, make the speed 0 of cage rotor, then slowly increases the coupling area of excitation rotor and cage rotor, until flow reaches
To metered flow；
3) data acquire；
A, intelligent speed-regulating electromagnetic type shaft coupling efficiency and loss with flow and revolutional slip variation；
Intelligent speed-regulating electricity is measured by the first rotary encoder of intelligent speed-regulating electromagnetic type shaft coupling two sides, the second rotary encoder
The revolving speed of magnetic-type shaft coupling is measured the torque of two sides by the first torque inductance gauge of two sides, the second torque inductance gauge, measures two
Side input-output power acquires efficiency and loss with the change curve of flow and revolutional slip；
B, the temperature rise of intelligent speed-regulating electromagnetic type shaft coupling with flow and revolutional slip variation；
The variation that temperature is measured by temperature sensor measures two by the first rotary encoder of two sides, the second rotary encoder
Side revolving speed, and then revolutional slip is obtained, flow can be measured by flowmeter, to draw out intelligent speed-regulating electromagnetic type shaft coupling temperature
Rise the characteristic curve with revolutional slip and changes in flow rate；
C, whole system efficiency and power factor with revolutional slip and flow variation；
By the data that power meter is measured draw out the power of consumption with flow change curve and power factor with flow change
Change curve；The data according to measured by flowmeter calculate effective output power, and then obtain the efficiency of whole system with flow
Change curve；Obtain power factor with the change curve of flow from power meter；
Throttle valve will finally be used and compared using the obtained curve of intelligent speed-regulating electromagnetic type shaft coupling, that is, see intelligence
The superiority and inferiority for adjusting the speed the energy-saving effect of electromagnetic type shaft coupling, can be real if intelligent speed-regulating electromagnetic type shaft coupling is exchanged with other shaft couplings
Comparison between existing shaft coupling.
Structure of the invention is reasonable, the advanced science of method, through the invention, refers to measure the synthesis of electromagnetic type shaft coupling
Mark, need to measure electromagnetic type shaft coupling efficiency with magnet rotor (excitation rotor) and inductiopn rotor (cage rotor) revolutional slip (or
Flow) change curve, the temperature rise of electromagnetic type shaft coupling with the change curve of magnet rotor and inductiopn rotor revolutional slip (or flow),
Electromagnetic type shaft coupling is lost with the change curve of magnet rotor and inductiopn rotor revolutional slip (or flow), using power when throttle valve
Factor and whole system efficiency with flow change curve, using power factor when electromagnetic type shaft coupling and whole system efficiency with
The change curve of flow.
1, the present apparatus is divided into following components:
(1) rotary inductive motor；Power is provided for experimental provision.
(2) rotary encoder (including first rotary encoder, the second rotary encoder)；It is installed on motor (rotary inductive
Motor) side and load side, for measuring magnet rotor (excitation rotor) and the inductiopn rotor (mouse of intelligent speed-regulating electromagnetic type shaft coupling
Cage rotor) revolving speed.
(3) torque inductance gauge；It is installed on motor (rotary inductive motor) side and load side, for measuring intelligent speed-regulating electromagnetism
The torque of formula shaft coupling magnet rotor (excitation rotor) and inductiopn rotor (cage rotor).
(4) power meter；Be installed on motor (rotary inductive motor) side for measure rotary inductive motor apparent energy and
Active power.
(6) intelligent speed-regulating electromagnetic type shaft coupling；The object of experimental provision measurement.
(7) temperature sensor；It is installed on intelligent speed-regulating electromagnetic type shaft coupling, for measuring intelligent speed-regulating electromagnetic type shaft coupling
The temperature rise of device.
(8) water pump；It is installed on the load side of intelligent speed-regulating electromagnetic type shaft coupling, for taking load.
(9) throttle valve；It is installed on pump outlet, the comparison other as intelligent speed-regulating electromagnetic type shaft coupling.
(10) flowmeter；It is installed on close to the end of bucket side water pipe (the second water pipe), the reason is that because water flow is in water pipe
Inside there is separation of flow phenomenon, water can be accurately measured by being installed on end.
Each section installation and structural schematic diagram, as shown in Figure 1.
2, working state of device:
(1) throttle valve adjustment flow is used
Intelligent speed-regulating shaft coupling (intelligent speed-regulating electromagnetic type shaft coupling) is locked, and intelligent speed-regulating shaft coupling only serves mechanical connect at this time
The effect connect, adjust throttle valve make flow from 0 variation be nominal flow rate, drawn out by the data that power meter is measured, consumption
Power with flow change curve and power factor with flow change curve.The data according to measured by flowmeter can calculate
Effective output power, and then the efficiency of whole system is obtained with the change curve of flow.
(2) flow is adjusted using intelligent speed-regulating shaft coupling
Throttle valve is fully opened, flow is adjusted by intelligent speed-regulating shaft coupling.Intelligent speed-regulating electromagnetic type coupler structure
As shown in Fig. 2, by adjusting the slip that telescopic shaft is adjustable magnet rotor (excitation rotor) and inductiopn rotor (cage rotor)
Rate, and then adjust flow.The coupling area of magnet rotor and inductiopn rotor is transferred to first small, makes the speed 0 of inductiopn rotor,
Then the coupling area for slowly increasing magnet rotor and inductiopn rotor, until flow reaches metered flow.
3, data acquire；
(1) intelligent speed-regulating shaft coupling efficiency and loss are with the variation of flow and revolutional slip
Intelligent speed-regulating electromagnetic type shaft coupling can have been measured by the rotary encoder of intelligent speed-regulating electromagnetic type shaft coupling two sides
Revolving speed can measure the torque of two sides by the torque inductance gauge of two sides, so two sides input-output power, Ji Keqiu can be measured
Efficiency and loss are obtained with the change curve of flow and revolutional slip.
(2) temperature rise of intelligent speed-regulating shaft coupling with flow and revolutional slip variation
The variation that temperature can be measured by temperature sensor can measure two sides revolving speed by two sides rotary encoder, in turn
Revolutional slip is obtained, flow can be measured by thermometer, to draw out intelligent speed-regulating shaft coupling temperature rise with revolutional slip and flow
The characteristic curve of variation.
(3) whole system efficiency and power factor with revolutional slip and flow variation
Drawn out by the data that power meter is measured, the power of consumption with flow change curve and power factor with flow change
Change curve.The data according to measured by flowmeter can calculate effective output power, so obtain the efficiency of whole system with
The change curve of flow.Power factor can be obtained with the change curve of flow from power meter.
Throttle valve will finally be used and compared using the obtained curve of intelligent speed-regulating shaft coupling, that is, see intelligent tune
The superiority and inferiority of the energy-saving effect of fast electromagnetic type shaft coupling.If intelligent speed-regulating shaft coupling, which is exchanged with other shaft couplings, can be realized shaft coupling
Between comparison.
Through the invention, measurement condition is comprehensive.Can measure various performance indicators, temperature, efficiency, power factor,
Energy-saving effect；It can carry out various comparisons.The comparison between shaft coupling and pair of shaft coupling and throttle valve may be implemented
Than.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the structural schematic diagram of intelligent speed-regulating electromagnetic type shaft coupling.
In figure: 1 rotary inductive motor, 4 power meters, 5 buckets, 6 intelligent speed-regulating electromagnetic type shaft couplings, 6-1 excitation rotor, 6-
2 cage rotors, 7 temperature sensors, 8 water pumps, 9 throttle valves, 10 flowmeters, 11 fixing axles, 12 telescopic shafts, the rotation of 13-1 first are compiled
Code device, the second rotary encoder of 13-2, the first torque of 14-1 inductance gauge, 14-2 the second torque inductance gauge.
Specific embodiment
The present invention is described in further detail With reference to embodiment.
A kind of electromagnetic type shaft coupling combination property test desk, including rotary inductive motor 1, power meter 4, intelligent speed-regulating electromagnetism
Formula shaft coupling 6, temperature sensor 7, water pump 8, throttle valve 9, flowmeter 10, bucket 13.Intelligent speed-regulating electromagnetic type shaft coupling 6 includes
Excitation rotor 6-1, cage rotor 6-2, there are air gaps among excitation rotor 6-1, cage rotor 6-2, belong to clearance fit, excitation
It is fixed with fixing axle 11 on rotor 6-1, telescopic shaft 12 is fixed on cage rotor 6-2.The power of the rotary inductive motor 1 is defeated
Shaft is connected and fixed with fixing axle 11, and telescopic shaft 12 is fixedly connected with the water pump shaft in water pump 8.
First rotary encoder 13-1, the first torque inductance gauge 14-1 are installed in fixing axle 11, pacified on telescopic shaft 12
Fill the second rotary encoder 13-2, the second torque inductance gauge 14-2.First rotary encoder 13-1 is for measuring intelligent speed-regulating electricity
The excitation rotor 6-1 revolving speed of magnetic-type shaft coupling 6, the second rotary encoder 13-2 is for measuring intelligent speed-regulating electromagnetic type shaft coupling 6
Cage rotor 6-2 revolving speed；First torque inductance gauge 14-1 is used to measure the excitation rotor 6- of intelligent speed-regulating electromagnetic type shaft coupling 6
1 torque, the second torque inductance gauge 14-2 are used to measure the cage rotor 6-2 torque of intelligent speed-regulating electromagnetic type shaft coupling 6.
Power meter 4 is installed on rotary inductive motor 1, for measuring the apparent energy and wattful power of rotary inductive motor 1
Rate；Temperature sensor 7 is installed on intelligent speed-regulating electromagnetic type shaft coupling 6, for measuring the temperature of intelligent speed-regulating electromagnetic type shaft coupling 6
It rises.
Water pump 8 is installed on the load side of intelligent speed-regulating electromagnetic type shaft coupling 6, and for taking load, the water pump in water pump 8 turns
Axis is fixedly connected with telescopic shaft 12.
The pump intake of the water pump 8 is penetrated through through the bucket water outlet of the first water pipe and bucket 5, and the water of water pump 8 pumps out
The bucket water inlet of the second water pipe of the mouth of a river and bucket 5 penetrates through；Throttle valve 9 is installed on the pump outlet of water pump 8；Flowmeter 10
It is installed on the second water pipe.
Further, the first torque inductance gauge 14-1 is placed in the first rotary encoder 13-1, intelligent speed-regulating electromagnetic type shaft coupling
Between device 6.Second rotary encoder 13-2 is placed between the second torque inductance gauge 14-2, intelligent speed-regulating electromagnetic type shaft coupling 6.Water
Bucket water inlet on bucket 5 is located at the top of bucket 5, and bucket water outlet is located at the lower part side of bucket 5；The flowmeter 10 is pacified
One end loaded on the water inlet close to bucket 5.
When test, 1) use the adjusting flow of throttle valve 9；
Intelligent speed-regulating electromagnetic type shaft coupling 6 is locked, intelligent speed-regulating electromagnetic type shaft coupling 6 only serves the work of mechanical connection at this time
With, adjust throttle valve 9 make flow from 0 variation be nominal flow rate, by the data that power meter 4 is measured draw out the power of consumption with
The change curve of flow and power factor with flow change curve；It is calculated according to data measured by flowmeter 10 effective defeated
Power out, and then the efficiency of whole system is obtained with the change curve of flow.
2) flow is adjusted using intelligent speed-regulating electromagnetic type shaft coupling 6；
Throttle valve 9 is fully opened, flow is adjusted by intelligent speed-regulating electromagnetic type shaft coupling 6；By adjusting telescopic shaft 12
The revolutional slip of excitation rotor 6-1 and cage rotor 6-2 are adjusted, and then adjusts flow；First by excitation rotor 6-1 and cage rotor
The coupling area of 6-2 is transferred to small, makes the speed 0 of cage rotor 6-2, then slowly increases excitation rotor 6-1 and cage rotor
The coupling area of 6-2, until flow reaches metered flow；
3) data acquire；
A, 6 efficiency of intelligent speed-regulating electromagnetic type shaft coupling and loss with flow and revolutional slip variation；
It is measured by the first rotary encoder 13-1 of 6 two sides of intelligent speed-regulating electromagnetic type shaft coupling, the second rotary encoder 13-2
The revolving speed of intelligent speed-regulating electromagnetic type shaft coupling 6 is surveyed by the first torque inductance gauge 14-1, the second torque inductance gauge 14-2 of two sides
The torque for obtaining two sides, measures two sides input-output power, acquires efficiency and loss with the change curve of flow and revolutional slip；
B, 6 temperature rise of intelligent speed-regulating electromagnetic type shaft coupling with flow and revolutional slip variation；
The variation that temperature is measured by temperature sensor 7 passes through two sides the first rotary encoder 13-1, the second rotary encoder
13-2 measures two sides revolving speed, and then obtains revolutional slip, can measure flow by flowmeter 10, to draw out intelligent speed-regulating electricity
6 temperature rise of magnetic-type shaft coupling with revolutional slip and changes in flow rate characteristic curve；
C, whole system efficiency and power factor with revolutional slip and flow variation；
By the data that power meter 4 is measured draw out the power of consumption with flow change curve and power factor with flow change
Change curve；Effective output power is calculated according to data measured by flowmeter 10, and then obtains the efficiency of whole system with stream
The change curve of amount；Obtain power factor with the change curve of flow from power meter 4；
Throttle valve 9 will finally be used and compared using the obtained curve of intelligent speed-regulating electromagnetic type shaft coupling 6, that is, see intelligence
The superiority and inferiority of the energy-saving effect of electromagnetic type shaft coupling 6 can be adjusted the speed, if intelligent speed-regulating electromagnetic type shaft coupling 6 is exchanged with other shaft couplings i.e.
The comparison between shaft coupling can be achieved.
Claims (5)
1. a kind of electromagnetic type shaft coupling combination property test desk, it is characterized in that: include rotary inductive motor (1), power meter (4),
Intelligent speed-regulating electromagnetic type shaft coupling (6), temperature sensor (7), water pump (8), throttle valve (9), flowmeter (10), bucket (5)；
The intelligent speed-regulating electromagnetic type shaft coupling (6) includes excitation rotor (6-1), cage rotor (6-2), excitation rotor (6-1)
With cage rotor (6-2) clearance fit, it is fixed with fixing axle (11) on the excitation rotor (6-1), it is solid on cage rotor (6-2)
Surely there are telescopic shaft (12)；
The power output shaft of the rotary inductive motor (1) is connected and fixed with fixing axle (11), in telescopic shaft (12) and water pump (8)
Water pump shaft be fixedly connected；
First rotary encoder (13-1), the first torque inductance gauge (14-1), telescopic shaft are installed on the fixing axle (11)
(12) the second rotary encoder (13-2), the second torque inductance gauge (14-2) are equipped with；
First rotary encoder (13-1) is used to measure excitation rotor (6-1) revolving speed of intelligent speed-regulating electromagnetic type shaft coupling (6), the
Two rotary encoders (13-2) are used to measure cage rotor (6-2) revolving speed of intelligent speed-regulating electromagnetic type shaft coupling (6)；First torque
Inductance gauge (14-1) is used to measure excitation rotor (6-1) torque of intelligent speed-regulating electromagnetic type shaft coupling (6), the second torque inductance gauge
(14-2) is used to measure cage rotor (6-2) torque of intelligent speed-regulating electromagnetic type shaft coupling (6)；
The power meter (4) is installed on rotary inductive motor (1), for measure rotary inductive motor (1) apparent energy and
Active power；
The temperature sensor (7) is installed on intelligent speed-regulating electromagnetic type shaft coupling (6), for measuring intelligent speed-regulating electromagnetic type connection
The temperature rise of axis device (6)；
The water pump (8) is installed on the load side of intelligent speed-regulating electromagnetic type shaft coupling (6), loads for taking, in water pump (8)
Water pump shaft is fixedly connected with telescopic shaft (12)；
The pump intake of the water pump (8) is penetrated through through the bucket water outlet of the first water pipe and bucket (5), the water pump of water pump (8)
Water outlet is penetrated through through the bucket water inlet of the second water pipe and bucket (5)；
The throttle valve (9) is installed on the pump outlet of water pump (8)；The flowmeter (10) is installed on the second water pipe.
2. a kind of electromagnetic type shaft coupling combination property test desk according to claim 1, it is characterized in that: first torque
Inductance gauge (14-1) is placed between the first rotary encoder (13-1), intelligent speed-regulating electromagnetic type shaft coupling (6).
3. a kind of electromagnetic type shaft coupling combination property test desk according to claim 1, it is characterized in that: second rotation
Encoder (13-2) is placed between the second torque inductance gauge (14-2), intelligent speed-regulating electromagnetic type shaft coupling (6).
4. a kind of electromagnetic type shaft coupling combination property test desk according to claim 1, it is characterized in that: the bucket (5)
On bucket water inlet be located at the top of bucket (5), bucket water outlet is located at the lower part side of bucket (5)；The flowmeter
(10) it is installed on one end of the water inlet close to bucket (5).
5. according to claim 1 a kind of electromagnetic type shaft coupling combination property test desk described in any one of -4 claims into
The method of row test, it is characterized in that:
1) flow is adjusted using throttle valve (9)；
Intelligent speed-regulating electromagnetic type shaft coupling (6) is locked, and intelligent speed-regulating electromagnetic type shaft coupling (6) only serves mechanical connection at this time
Effect, it is nominal flow rate that adjusting throttle valve (9), which changes flow from 0, draws out consumption by the data that power meter (4) is measured
Power with flow change curve and power factor with flow change curve；It is calculated according to data measured by flowmeter (10)
Effective output power, and then the efficiency of whole system is obtained with the change curve of flow；
2) flow is adjusted using intelligent speed-regulating electromagnetic type shaft coupling (6)；
Throttle valve (9) is fully opened, flow is adjusted by intelligent speed-regulating electromagnetic type shaft coupling (6)；It is flexible by adjusting
Axis (12) adjusts the revolutional slip of excitation rotor (6-1) and cage rotor (6-2), and then adjusts flow；First by excitation rotor (6-
1) and the coupling area of cage rotor (6-2) is transferred to small, makes the speed 0 of cage rotor (6-2), then slowly increases excitation turn
The coupling area of son (6-1) and cage rotor (6-2), until flow reaches metered flow；
3) data acquire；
A, intelligent speed-regulating electromagnetic type shaft coupling (6) efficiency and loss are with the variation of flow and revolutional slip；
Pass through first rotary encoder (13-1) of intelligent speed-regulating electromagnetic type shaft coupling (6) two sides, the second rotary encoder (13-
2) revolving speed for measuring intelligent speed-regulating electromagnetic type shaft coupling (6) passes through the first torque inductance gauge (14-1) of two sides, the second torque sense
Ying Yi (14-2) measures the torque of two sides, measures two sides input-output power, acquires efficiency and loss with flow and revolutional slip
Change curve；
B, (6) temperature rise of intelligent speed-regulating electromagnetic type shaft coupling with flow and revolutional slip variation；
The variation that temperature is measured by temperature sensor (7) passes through the first rotary encoder of two sides (13-1), the second rotary coding
Device (13-2) measures two sides revolving speed, and then obtains revolutional slip, flow can be measured by flowmeter (10), to draw out intelligence
(6) temperature rise of electromagnetic type shaft coupling is adjusted the speed with the characteristic curve of revolutional slip and changes in flow rate；
C, whole system efficiency and power factor with revolutional slip and flow variation；
The power of consumption is drawn out with the change curve and power factor of flow with flow by the data that power meter (4) is measured
Change curve；Effective output power is calculated according to data measured by flowmeter (10), and then obtains the efficiency of whole system
With the change curve of flow；Obtain power factor with the change curve of flow from power meter (4)；
Throttle valve (9) finally will be used and compared using intelligent speed-regulating electromagnetic type shaft coupling (6) obtained curve, that is, seen
To the superiority and inferiority of the energy-saving effect of intelligent speed-regulating electromagnetic type shaft coupling (6), if intelligent speed-regulating electromagnetic type shaft coupling (6) is exchanged with other
The comparison between shaft coupling can be realized in shaft coupling.
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| CN201910337396.1A CN110044611B (en) | 2019-04-25 | 2019-04-25 | Electromagnetic type coupling comprehensive performance test bench and test method thereof |
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| CN201910337396.1A CN110044611B (en) | 2019-04-25 | 2019-04-25 | Electromagnetic type coupling comprehensive performance test bench and test method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808676A (en) * | 2019-11-07 | 2020-02-18 | 北京交通大学 | Energy-saving magnetic intelligent speed regulation coupling |
| CN112509406A (en) * | 2020-11-24 | 2021-03-16 | 华能（上海）电力检修有限责任公司 | DC motor fault simulation and detection practical training platform |
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| CN112509406A (en) * | 2020-11-24 | 2021-03-16 | 华能（上海）电力检修有限责任公司 | DC motor fault simulation and detection practical training platform |
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