CN103048621B - Water-cooled motor test platform and use method - Google Patents

Water-cooled motor test platform and use method Download PDF

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Publication number
CN103048621B
CN103048621B CN201210587291.XA CN201210587291A CN103048621B CN 103048621 B CN103048621 B CN 103048621B CN 201210587291 A CN201210587291 A CN 201210587291A CN 103048621 B CN103048621 B CN 103048621B
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water
motor
dragging
pipe
cooled
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CN103048621A (en
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姜志凌
江孝林
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Guilin Electrical Equipment Scientific Research Institute Co Ltd
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Guilin Electrical Equipment Scientific Research Institute Co Ltd
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Abstract

The invention relates to a water-cooled motor test platform and a use method. The water-cooled motor test platform comprises a control system, a test workbench and a water-cooled system, wherein the water-cooled system comprises a water tank, a circulating water pump and a heat radiator, a tested motor and a driven motor are respectively provided with a water-cooled casing, the water flowing out of the water tank is respectively received into the water-cooled casings of the tested motor and the driven motor by the circulating water pump, the water flowing back to the tested motor and the driven motor is gathered and received into the heat radiator and then returns back to the water tank, the heat radiator comprises heat radiating pipes and a fan, and water inlet pipes of the tested motor and the driven motor are respectively provided with an adjusting valve. The use method comprises the following steps that the tested motor and the driven motor are fixedly connected and are connected with wires, the water is added into the water-cooled system, and the circulating water pump is started; during test, firstly a controller is adjusted, and the rotation speed of the tested motor is gradually increased to one half of the rated rotation speed and is maintained for one hour; after the rotation speed is normal, the tested motor runs at the 1/3 and 1/2 of rated power; and only after the water temperatures of the water outlets of the tested motor and the driven motor are respectively below than 60 DEG C, the driving measurement is carried out. The water-cooled motor test platform and the use method have the advantages that the working temperatures of the tested motor and the driven motor are the same, the test data is more accurate, and the service life of the driven motor is also prolonged.

Description

A kind of water-cooled machine test platform and using method
Technical field
The present invention relates to Motor Measuring Technology, particularly a kind of water-cooled machine test platform and using method.
Background technology
Common electromechanical testing platform is made up of controller and test board at present, controller be for export electric energy and control signal give by measured motor, driven dragging motor by measured motor, the kinetic energy of being exported by measured motor be used as load to dragging motor all to consume at test board.
Conventionally in test platform to dragging motor, with the form of generator, the kinetic transformation of being exported by measured motor is become to electric energy, to the recyclable recycling of electric energy of dragging motor to produce, or directly change into heat energy.Recover energy for energy-conservation, the controller of Novel motor test platform occurring for nearly 2 years, can be by the electric energy recycling of dragging motor to produce, and in the dragging of large and middle size motor, energy-saving effect is obvious.
But also there is no now this test platform for water-cooled machine specially.The larger motor of power has been because thermal value great talent has installed water-cooling system, to ensure that it normally works.To dragging motor will will be converted to electric energy by a large amount of kinetic energy of measured motor as generator, to produce as much heat, when motor temperature is too high, the resistance of the internal resistance of motor and the magnetoconductivity of silicon steel sheet all can change, directly affect the efficiency of motor, also just affect the accuracy of institute's power scale value, also greatly reduce in addition the serviceable life to dragging motor.
Summary of the invention
The object of this invention is to provide a kind of water-cooled machine test platform and comprise water-cooling system, control system and test table three parts, by measured motor with to dragging motor to share a set of water-cooling system,
Another object of the present invention is to provide a kind of using method of water-cooled machine test platform, progressively improves the output power of controller when test, detects two motor water delivering orifice temperature, guarantees that two motors obtain testing in suitably cooling situation.
The water-cooled machine test platform of the present invention's design comprises control system and test table, and control system comprises three-phase electricity output terminal, reclaims power input end, controller and the display connecting and control knob.Test table comprises test platform and the torque gauge on it, to dragging motor and being fixed on test platform by the support of measured motor, the torsion bar two ends of torque gauge respectively connect one group of ring flange, connect respectively tested motor flange dish and to dragging motor flange dish, make two motors each other can transmitting torque and rotating speed.Connected the three-phase electricity output terminal of controller by the three-phase electricity source of measured motor, to dragging the power output end of motor to connect the recovery power input end of controller.
The water-cooled machine test platform of the present invention's design also has water-cooling system, described water-cooling system comprises water tank, water circulating pump and heating radiator, described by measured motor with to dragging motor to be all furnished with water-cooled casing, water tank water outlet mouthpiece connects water circulating pump through rising pipe, water circulating pump feed pipe that water side connects is through the tested motor entering water pipe of inlet triplet for water tap with to dragging motor entering water pipe, tested motor entering water pipe with to dragging motor entering water pipe to be connected respectively by measured motor with to dragging the water-cooled casing water inlet of motor.By measured motor and to the water-cooled casing water delivering orifice that drags motor respectively through the threeway of rising pipe access backwater, backwater three return pipe that stimulates the menstrual flow connects water inlet of radiator, radiator outlet connects water tank water intake interface through water pipe.
Described heating radiator comprises radiating tube and fan, radiating tube be repeatedly bend into the water pipe of multiple S shapes or for multilayer disc around water pipe, one end is that radiator inleting pipe, the other end are radiator outlet pipe, and the blade of fan is relative with radiating tube, accelerates heat radiation to radiating tube blowing.For increasing heat radiation area, on radiating tube, there is radiating fin.
Water tank is arranged on water tank frame, and water tank water outlet mouthpiece is higher than by measured motor with to dragging the water inlet of water cooling machine casing of motor, so that the bubble in water cooling machine casing of motor is discharged.
At tested motor entering water pipe with to dragging on motor entering water pipe, variable valve is installed, to regulate respectively the water yield that enters two water cooling machine casing of motors.
The volume of described water tank should be greater than the volume of the water-cooled casing of two motors, the volume of heating radiator, the volume of water circulating pump and 1.7 times of each connecting water pipe volume sum.
The using method of water-cooled machine test platform provided by the invention comprises the following steps:
I, installation and wiring are prepared
To dragging motor and being fixed on test platform by the support of measured motor, torque gauge connects by measured motor with to dragging the ring flange of motor.By the three-phase electricity output terminal of the three-phase electricity source connection control system of measured motor, to dragging the recovery power input end of power output end connected control system of motor;
II, water-cooling system are prepared
In water tank, fill it up with chilled water, start cycles water pump, make that chilled water is descending to be entered dragging motor and by the water-cooled casing of measured motor through inlet triplet for water shunting, after water-cooled casing is full of, being back to backwater threeway from the water-cooled casing water delivering orifice of two motors again converges, enter water inlet of radiator through return pipe, return to water tank by radiator outlet;
Water circulating pump 1-1 continuous running, supplements chilled water to the water yield in water tank 1-4 and is equal to or greater than 70% of water tank 1-4 volume;
III, Half Speed trial run
Start controller, and adjustment control output, be progressively increased to the half of rated speed by the rotating speed of measured motor, keeps 50~70 minutes, inspection each several part working order, if all normally enter next step; If undesired, after fixing a breakdown, be progressively increased to the half of rated speed by the rotating speed of measured motor, keep 50~70 minutes, again check;
IV, by measured motor by 1/3rd rated power runnings
Controller is set and reclaims the electric energy to dragging motor to produce, the output power of adjustment control is 1/3rd of tested motor rated power, check each several part working order, if all normally keep this state running 50~70 minutes, after again checking that each several part works well, measure the water temperature of the water delivering orifice of two motors, if the water temperature of two motor water delivering orifices is all lower than 60 DEG C, for normally, without processing; If have a motor water delivering orifice water temperature higher than 60 DEG C, regulate the variable valve of the water inlet pipe of the higher motor of temperature, increase the water yield that enters this water cooling machine casing of motor; Continue, by 1/3rd the state running of tested motor rated power 50~70 minutes, to measure two motor water delivering orifice water temperatures, all lower than 60 DEG C, enter next step to the water temperature of two motor water delivering orifices;
V, by measured motor by 1/2nd rated power runnings
The output power of adjustment control is to 1/2nd of tested motor rated power, check each several part working order, if all normally measure and regulate two motor water delivering orifice water temperatures by the mode of step IV, all lower than 60 DEG C, enter next step to the water temperature of two motor water delivering orifices;
VI, to dragging measurement
The output power of adjustment control arrives by the rated power of measured motor, read the output torque when the rated power by measured motor by torque gauge, measure official hour to dragging, the water temperature of motor water delivering orifice is no more than 90 DEG C, can complete by measured motor dragging loading testing experiment.
Compared with prior art, the advantage of water-cooled machine test platform of the present invention and using method is: by measured motor to dragging the cooling rear working temperature of motor identical, the data of electromechanical testing are more accurate, and can reclaim the electric energy to dragging motor to produce, and also can ensure the mission life to dragging motor.
Brief description of the drawings
Fig. 1 is the one-piece construction schematic diagram of this water-cooled machine test platform embodiment;
Fig. 2 is the structural representation of water-cooling system in Fig. 1;
Fig. 3 is the structural representation of control system in Fig. 1;
Fig. 4 is the structural representation of test platform in Fig. 1.
Mark in figure: 1, water-cooling system, 1-1, water circulating pump, 1-2, radiator drain, 1-3, water tank frame, 1-4, water tank, 1-5, water tank water outlet mouthpiece, 1-6, water container backwater interface, 1-7, radiating tube, 1-8, radiating fin, 1-9, radiator stand, 1-10, fan, 1-11, return to water pipe, 1-12, return pipe, 1-13, backwater threeway, 1-14, inlet triplet for water, 1-15, feed pipe, 2, control system, 2-1, three-phase electricity output terminal, 2-2, cabinet, 2-3, display, 2-4, reclaim power input end, 2-5, control knob, 3, test table, 3-1, test platform, 3-2, to dragging motor, 3-3, to dragging motor flange dish, 3-4, torque gauge, 3-5, tested motor flange dish, 3-6, by measured motor.
Embodiment
Water-cooled machine test platform embodiment
This routine water-cooled machine test platform as shown in Figure 1, comprises water-cooling system 1, control system 2 and test table 3 three parts.
This routine water-cooling system 1 as shown in Figure 2, comprises water tank 1-4, water circulating pump 1-1 and heating radiator, described by measured motor 3-6 with to dragging motor 3-2 to be all furnished with water-cooled casing.The volume of this routine water tank 1-4 is the volume of the water-cooled casing of two motors, the volume of radiating tube 1-7, the volume of water circulating pump 1-1 and 2 times of each connecting water pipe volume sum.Water tank 1-4 is arranged on water tank frame, water tank water outlet mouthpiece 1-5 is higher than by measured motor 3-6 with to dragging the water inlet of motor 3-2 water-cooled casing, water tank water outlet mouthpiece 1-5 meets water circulating pump 1-1 through rising pipe, water circulating pump 1-1 water side meets feed pipe 1-15 through the tested motor entering water pipe of inlet triplet for water 1-14 tap with to dragging motor entering water pipe, tested motor entering water pipe with to dragging motor entering water pipe to be connected respectively by measured motor 3-6 with to dragging the water-cooled casing water inlet of motor 3-2, tested motor entering water pipe and variable valve is installed to dragging on motor entering water pipe.By measured motor 3-6 with to dragging the water-cooled casing water delivering orifice of motor 3-2 respectively through rising pipe access backwater threeway 1-13, backwater threeway 1-13 connects water inlet of radiator through return pipe 1-12, and radiator outlet connects water tank water intake interface 1-6 through returning to water pipe 1-11.
This routine heating radiator comprises radiating tube 1-7 and fan 1-10.Radiating tube 1-7 is the water pipe repeatedly bending as multiple S shapes, and one end is that radiator inleting pipe, the other end are radiator outlet pipe.This routine radiating tube 1-7 is that tens of straight tubes and 180 ° of elbow connections of dozens of dock, the continuous long tube of many rows multiple row S shape bending of formation, and each straight tube of radiating tube 1-7 is through the tens of heat radiator that are parallel to each other, and heat radiator is as radiating fin 1-8.The blade of fan 1-10 is relative with radiating tube 1-7, accelerates heat radiation to radiating tube 1-7 and radiating fin 1-8 blowing.
This routine control system as shown in Figure 3, comprises three-phase electricity output terminal 2-1, reclaims power input end 2-4, controller and the display 2-3 connecting and control knob 2-5.Controller is arranged in cabinet 2-2, and display 2-3 and control knob 2-5 are embedded on cabinet 2-2 panel, and three-phase electricity output terminal 2-1 and recovery power input end 2-4 draw from cabinet 2-2.All terminals are all in cabinet 2-2, to ensure safety.
This routine test table 3 as shown in Figure 4, comprise test platform 3-1 and the torque gauge 3-4 on it, to dragging motor 3-2 and being fixed by bolts on test platform 3-1 by the support of measured motor 3-6, the torsion bar two ends of torque gauge 3-4 respectively connect one group of ring flange, connect respectively tested motor flange dish 3-5 and to dragging motor flange dish 3-3.To dragging motor power output end to be connected with the recovery power input end 2-4 of control system, be connected with the three-phase electricity output terminal 2-1 of control system 2 by the three-phase electricity source of measured motor.
The using method embodiment of water-cooled machine test platform
The using method of above-mentioned water-cooled machine test platform embodiment comprises the following steps:
I, installation and wiring are prepared
Upper to dragging motor 3-2 and being fixed on test platform 3-1 by the support of measured motor, torque gauge 3-4 connects by measured motor 3-6 with to dragging the ring flange of motor 3-2.By the three-phase electricity output terminal 2-1 of the three-phase electricity source connection control system 2 of measured motor 3-6, to dragging the recovery power input end 2-4 of power output end connected control system 2 of motor 3-2;
II, water-cooling system are prepared
In water tank 1-4, fill it up with chilled water, start cycles water pump 1-1, make chilled water through feed pipe 1-15 through inlet triplet for water 1-14 shunting enter to drag motor 3-2 and by the water-cooled casing of measured motor 3-6 in, after water-cooled casing is full of, being back to backwater threeway 1-13 from the water-cooled casing water delivering orifice of two motors again converges, through return pipe, 1-12 enters water inlet of radiator, gets back to water tank 1-4 by radiator outlet through returning to water pipe 1-11; Water circulating pump 1-1 continuous running, supplements chilled water to the water yield in water tank 1-4 and is stable at 70% of its volume, the fan 1-10 of starting heating radiator;
III, Half Speed trial run
Start controller, and adjustment control output, be progressively increased to the half of rated speed by the rotating speed of measured motor 3-6, keeps 60 minutes, inspection each several part working order, if all normally enter next step; If undesired, after fixing a breakdown, be progressively increased to the half of rated speed by the rotating speed of measured motor, keep 60 minutes, again check;
IV, by measured motor by 1/3rd rated power runnings
Controller is set and reclaims the electric energy to dragging motor 3-2 to produce, the output power of adjustment control is 1/3rd of tested motor rated power, check each several part working order, if all normally keep this state running 60 minutes, after again checking that each several part works well, measure the water temperature of the water delivering orifice of two motors, if the water temperature of the chilled water of two motor water delivering orifices is all lower than 60 DEG C, for normally, without processing; If have a motor water temperature higher than 60 DEG C, regulate the variable valve of the water inlet pipe of the higher motor of temperature, increase the water yield that enters this water cooling machine casing of motor; Continue, by 1/3rd the state running of tested motor rated power 60 minutes, to measure two motor water delivering orifice water temperatures, all lower than 60 DEG C, enter next step to the water temperature of two motor water delivering orifices;
V, by measured motor by 1/2nd rated power runnings
The output power of adjustment control arrives by 1/2nd of measured motor 3-6 rated power, check each several part working order, if all normally measure and regulate two motor water delivering orifice water temperatures by the mode of step IV, all lower than 60 DEG C, enter next step to the water temperature of two motor water delivering orifices;
VI, to dragging measurement
The output power of adjustment control arrives by the rated power of measured motor 3-6, read the output torque when the rated power by measured motor 3-6 by torque gauge 3-4, measure official hour to dragging, the water temperature of motor water delivering orifice is no more than 90 DEG C, can complete by measured motor 3-6 dragging loading testing experiment.
Above-described embodiment, is only the specific case that object of the present invention, technical scheme and beneficial effect are further described, and the present invention is not defined in this.All any amendments of making, be equal to replacement, improvement etc., within being all included in protection scope of the present invention within scope of disclosure of the present invention.

Claims (7)

1. a water-cooled machine test platform, comprises control system (2) and test table (3); Described control system comprises three-phase electricity output terminal (2-1), reclaims power input end (2-4), controller and the display (2-3) connecting and control knob (2-5); Described test table (3) comprises test platform (3-1) and the torque gauge on it (3-4), to dragging motor (3-2) and being fixed on test platform (3-1) by the support of measured motor (3-6), the torsion bar two ends of torque gauge (3-4) respectively connect one group of ring flange, connect respectively tested motor flange dish (3-5) and to dragging motor flange dish (3-3); To dragging motor power output end to be connected with the recovery power input end (2-4) of control system, be connected by the three-phase electricity output terminal (2-1) of three-phase electricity source and the control system (2) of measured motor; It is characterized in that:
Also comprise water-cooling system (1), described water-cooling system (1) comprises water tank (1-4), water circulating pump (1-1) and heating radiator, described by measured motor (3-6) with to dragging motor (3-2) to be all furnished with water-cooled casing; The water tank water outlet mouthpiece (1-5) of water tank (1-4) connects water circulating pump (1-1) through rising pipe, water circulating pump (1-1) feed pipe that water side connects (1-15) is through the tested motor entering water pipe of inlet triplet for water (1-14) tap with to dragging motor entering water pipe, tested motor entering water pipe with to dragging motor entering water pipe to be connected respectively by measured motor (3-6) with to dragging the water-cooled casing water inlet of motor (3-2), tested motor entering water pipe and variable valve is installed to dragging on motor entering water pipe; By measured motor (3-6) with to dragging the water-cooled casing water delivering orifice of motor (3-2) respectively through rising pipe access backwater threeway (1-13), backwater threeway (1-13) connects water inlet of radiator through return pipe (1-12), and radiator outlet connects water tank water intake interface (1-6) through returning to water pipe (1-11).
2. water-cooled machine test platform according to claim 1, is characterized in that:
Described heating radiator comprises radiating tube (1-7) and fan (1-10); Radiating tube (1-7) is that bending is repeatedly the water pipe of multiple S shapes, and one end is that radiator inleting pipe, the other end are radiator outlet pipe, and fan (1-10) blade is relative with radiating tube (1-7).
3. water-cooled machine test platform according to claim 2, is characterized in that:
On described radiating tube (1-7), there is radiating fin (1-8).
4. water-cooled machine test platform according to claim 2, is characterized in that:
The volume of described water tank (1-4) is greater than the volume of the water-cooled casing of two motors, the volume of radiating tube (1-7), the volume of water circulating pump (1-1) and 1.7 times of each connecting water pipe volume sum.
5. water-cooled machine test platform according to claim 1, is characterized in that:
Described water tank (1-4) is arranged on water tank frame, and water tank water outlet mouthpiece (1-5) is higher than by measured motor (3-6) with to dragging the water inlet of motor (3-2) water-cooled casing.
6. the using method of the water-cooled machine test platform described in any one in claim 1 to 5, is characterized in that comprising the following steps:
I, installation and wiring are prepared
Upper to dragging motor (3-2) and being fixed on test platform (3-1) by the support of measured motor, torque gauge (3-4) connects by measured motor (3-6) with to dragging the ring flange of motor (3-2); By the three-phase electricity output terminal (2-1) of the three-phase electricity source connection control system (2) of measured motor (3-6), to dragging the recovery power input end (2-4) of power output end connected control system (2) of motor (3-2);
II, water-cooling system are prepared
In water tank (1-4), fill it up with chilled water, start cycles water pump (1-1), make chilled water through feed pipe (1-15) through inlet triplet for water (1-14) shunting enter to drag motor (3-2) and by the water-cooled casing of measured motor (3-6) in, after water-cooled casing is full of, being back to backwater threeway (1-13) from the water-cooled casing water delivering orifice of two motors again converges, enter water inlet of radiator through return pipe (1-12), get back to water tank (1-4) by radiator outlet through returning to water pipe (1-11); The fan (1-10) of starting heating radiator;
III, Half Speed trial run
Start controller, and adjustment control output, be progressively increased to the half of rated speed by the rotating speed of measured motor (3-6), keeps 60 minutes, inspection each several part working order, if all normally enter next step; If undesired, after fixing a breakdown, be progressively increased to the half of rated speed by the rotating speed of measured motor, keep 60 minutes, again check;
IV, by measured motor by 1/3rd rated power runnings
Controller is set and reclaims the electric energy to dragging motor (3-2) to produce, the output power of adjustment control is 1/3rd of tested motor rated power, check each several part working order, if all normally keep this state running 60 minutes, after again checking that each several part works well, measure the water temperature of the water delivering orifice of two motors, if the water temperature of the chilled water of two motor water delivering orifices is all lower than 60 DEG C, for normally, without processing; If have a motor water temperature higher than 60 DEG C, regulate the variable valve of the water inlet pipe of the higher motor of temperature, increase the water yield that enters this water cooling machine casing of motor; Continue, by 1/3rd the state running of tested motor rated power 60 minutes, to measure two motor water delivering orifice water temperatures, all lower than 60 DEG C, enter next step to the water temperature of two motor water delivering orifices;
V, by measured motor by 1/2nd rated power runnings
The output power of adjustment control arrives by 1/2nd of measured motor (3-6) rated power, check each several part working order, if all normally measure and regulate two motor water delivering orifice water temperatures by the mode of step IV, all lower than 60 DEG C, enter next step to the water temperature of two motor water delivering orifices;
VI, to dragging measurement
The output power of adjustment control arrives by the rated power of measured motor (3-6), read the output torque when the rated power by measured motor (3-6) by torque gauge (3-4), measure official hour to dragging, the water temperature of motor water delivering orifice is no more than 90 DEG C, completes by measured motor (3-6) dragging loading testing experiment.
7. the using method of water-cooled machine test platform according to claim 6, is characterized in that:
In described step II, water circulating pump (1-1) continuous running, supplements chilled water to the middle water yield of water tank (1-4) and is equal to or greater than 70% of water tank (1-4) volume.
CN201210587291.XA 2012-12-28 2012-12-28 Water-cooled motor test platform and use method Active CN103048621B (en)

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CN108152735B (en) * 2017-11-30 2020-09-04 杭州威衡科技有限公司 Distributed multi-phase motor test system
CN110133498A (en) * 2019-04-29 2019-08-16 中煤科工集团唐山研究院有限公司 A kind of submersible pump testing device of electric motor and method
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