CN107797064A - A kind of minitype permanent magnetism intermediate frequency liquid cooling generator test system - Google Patents
A kind of minitype permanent magnetism intermediate frequency liquid cooling generator test system Download PDFInfo
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- CN107797064A CN107797064A CN201710970578.3A CN201710970578A CN107797064A CN 107797064 A CN107797064 A CN 107797064A CN 201710970578 A CN201710970578 A CN 201710970578A CN 107797064 A CN107797064 A CN 107797064A
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- 238000012360 testing method Methods 0.000 title claims abstract description 72
- 238000001816 cooling Methods 0.000 title claims abstract description 53
- 239000007788 liquid Substances 0.000 title claims abstract description 52
- 230000005389 magnetism Effects 0.000 title claims abstract description 35
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims abstract description 7
- 238000013016 damping Methods 0.000 claims abstract description 7
- 239000002826 coolant Substances 0.000 claims description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 239000000110 cooling liquid Substances 0.000 claims description 6
- 230000002745 absorbent Effects 0.000 claims description 5
- 239000002250 absorbent Substances 0.000 claims description 5
- 239000011358 absorbing material Substances 0.000 claims description 4
- -1 fin Substances 0.000 claims description 2
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- 239000006096 absorbing agent Substances 0.000 description 1
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The present invention provides a kind of minitype permanent magnetism intermediate frequency liquid cooling generator test system, including testboard, collecting unit and test cell, the testboard is internally provided with dividing plate, Dynamo Room and motor room will be divided into inside testboard, it is respectively used to that generator and motor are installed, is provided with sound arrester outside the testboard, the collecting unit is connected to collecting test parameter with generator and motor respectively, the test cell is connected with collecting unit, for testing generator；The present invention makees prime mover using motor, carries out the classical insulation of permanent magnetism intermediate frequency liquid cooling generator and the test and experiment of vibration noise characteristic indoors, avoids noise and exhaust emission caused by being tested using diesel engine dragging motor；Meanwhile by cooling water circulation heat abstractor and oise damping means, work noise of the system in high-speed cruising is reduced, the integrated test method for testing for minitype permanent magnetism intermediate frequency liquid cooling generator is formed, realizes the test of all technical.
Description
Technical field
The present invention relates to electrical generator fields, more particularly to a kind of minitype permanent magnetism intermediate frequency liquid cooling generator test system.
Background technology
Truck diesel alternator group is a kind of mobile emergency electric power safeguard equipment, suitable for electric power, oil field, mine, portion
The departments such as team, communication, airport, natural calamity or accident can occur, cause to provide when power failure suddenly or supply of electric power deficiency
Emergency power supply.Generator is the core cell of truck diesel alternator group, carries and is converted into the rotating mechanical energy of prime mover
The important duty of electric energy, but current generator is made an uproar in the presence of cooling wind mostly, higher, generating efficiency is relatively low, volume weight is larger
With ventilation and heat it is bad the problems such as, it is impossible to meet the power demands of user.Improve these problems, it is necessary to generator items
Can index tested, still, currently without the test system tested specifically for minitype permanent magnetism intermediate frequency liquid cooling generator, because
This can be used in carrying out classical insulation and the test of vibration noise characteristic of generator, it is necessary to a kind of new test system
With experiment, avoid using diesel engine dragging motor test, caused by noise and exhaust emission.
The content of the invention
In view of the above the shortcomings that prior art, the present invention provides a kind of minitype permanent magnetism intermediate frequency liquid cooling generator test system
System, to solve above-mentioned technical problem.
Minitype permanent magnetism intermediate frequency liquid cooling generator test system provided by the invention, including testboard, collecting unit and test
Unit, the testboard are internally provided with dividing plate, will be divided into Dynamo Room and motor room inside testboard, are respectively used to install
Generator and motor, are provided with sound arrester outside the testboard, the collecting unit respectively with generator and motor
Collecting test parameter is connected to, the test cell is connected with collecting unit, for testing generator.
Further, the Dynamo Room is provided with frequency converter and heat-sink unit, and the heat-sink unit is connected with generator, institute
Stating frequency converter includes frequency changer circuit and load circuit, and the input of the frequency changer circuit is connected with generator, the frequency changer circuit
Output end be connected with load circuit, for by three-phase mid-frequency convert alternating current caused by generator into single phase industrial frequence alternating current.
Further, the generator is permanent-magnet liquid-cooled generator, and the generator includes the stator and rotor to cooperate,
The output axis connection of the rotor and motor, the heat-sink unit includes coolant jacket, cooling tube, radiator and water pump, described
Coolant jacket is arranged at stator exterior, and the cooling tube is connected with coolant jacket, radiator and water pump respectively.
Further, the frequency converter also includes cabinet, and the cabinet inside is provided with dividing plate, and cabinet inside is divided into frequency conversion
Device chamber and the cold chamber of liquid, the frequency changer circuit are arranged at frequency converter chamber, and the cold chamber of liquid is internally provided with coolant, fin, cold
But liquid import, cooling liquid outlet and pipe joint, the fin are arranged in the cold chamber of liquid, the pipe joint and cooling water pipe
Connection, the coolant flow into from import, are flowed out after fin from outlet.
Further, hatch door, air inlet and exhaust outlet are additionally provided with outside the testboard, the hatch door seals with testboard
Connection, the air inlet and exhaust outlet are provided with shutter.
Further, the testboard is additionally provided with control unit and display unit, described control unit respectively with generator,
Motor is connected with frequency converter, and for adjusting test parameter, the display unit is connected with test cell, for showing test knot
Fruit.
Further, the sound arrester includes the sound insulationg board for being arranged at Dynamo Room, and the sound insulationg board is included successively successively
Absorbent treatment, damping layer and the sound insulation flaggy of setting, the absorbent treatment include perforated plate, armour layer and the sound absorption successively set successively
Material.
Further, the coolant jacket is the rectangular tube for being spirally wound on stator casing surface.
Further, the coolant passes through the cold chamber of liquid and coolant jacket successively, and frequency converter and generator are radiated successively
Afterwards, then by radiator radiated, form circulation loop.
Further, in addition to external interface unit, for being attached with external equipment.
Beneficial effects of the present invention：Minitype permanent magnetism intermediate frequency liquid cooling generator test system in the present invention has merged Jing Yin
Change, liquid coldization, the method for testing of frequency conversion and automation, making prime mover using high-speed motor can be carried out in permanent magnetism indoors
The classical insulation of frequency liquid cooling generator and the test and experiment of vibration noise characteristic, are avoided using diesel engine dragging motor
Experiment, caused by noise and exhaust emission；Meanwhile by cooling water circulation heat abstractor and oise damping means, reduce and be
The work noise united in high-speed cruising, and then the integrated test method for testing for minitype permanent magnetism intermediate frequency liquid cooling generator is formed,
Realize the test of all technical.
Brief description of the drawings
Fig. 1 a are the testboard external structures of the minitype permanent magnetism intermediate frequency liquid cooling generator test system in the embodiment of the present invention
Figure.
Fig. 1 b are the testboard external structures of the minitype permanent magnetism intermediate frequency liquid cooling generator test system in the embodiment of the present invention
Figure.
Fig. 2 is that the experimental bench internal structure of the minitype permanent magnetism intermediate frequency liquid cooling generator test system in the embodiment of the present invention is shown
It is intended to.
Fig. 3 is the operation principle schematic diagram of the minitype permanent magnetism intermediate frequency liquid cooling generator test system in the embodiment of the present invention.
Fig. 4 is the sound absorber structural representation of the minitype permanent magnetism intermediate frequency liquid cooling generator test system in the embodiment of the present invention
Figure.
Fig. 5 is the electric generator structure signal of the minitype permanent magnetism intermediate frequency liquid cooling generator test system in the embodiment of the present invention
Figure.
Fig. 6 is the cooling circulation theory signal of the minitype permanent magnetism intermediate frequency liquid cooling generator test system in the embodiment of the present invention
Figure.
Fig. 7 is the frequency changer signal of the minitype permanent magnetism intermediate frequency liquid cooling generator test system in the embodiment of the present invention
Figure.
Fig. 8 is the frequency changer circuit structural representation of the minitype permanent magnetism intermediate frequency liquid cooling generator test system in the embodiment of the present invention
Figure.
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be by this specification
Disclosed content understands other advantages and effect of the present invention easily.The present invention can also pass through specific realities different in addition
The mode of applying is embodied or practiced, the various details in this specification can also be based on different viewpoints with application, without departing from
Various modifications or alterations are carried out under the spirit of the present invention.It should be noted that in the case where not conflicting, following examples and implementation
Feature in example can be mutually combined.
It should be noted that the diagram provided in following examples only illustrates the basic structure of the present invention in a schematic way
Think, only show the component relevant with the present invention in schema then rather than according to component count, shape and the size during actual implement
Draw, kenel, quantity and the ratio of each component can be a kind of random change during its actual implementation, and its assembly layout kenel
It is likely more complexity.
Minitype permanent magnetism intermediate frequency liquid cooling generator test system in the present embodiment, including testboard, collecting unit and test
Unit, testboard are internally provided with dividing plate, will be divided into Dynamo Room and motor room inside testboard, are respectively used to installation and generate electricity
Machine and motor, are provided with sound arrester outside the testboard, the collecting unit respectively with generator 10 and motor 14
Collecting test parameter is connected to, the test cell is connected with collecting unit, can be with system for testing generator
Work noise sound pressure level in 3000r/min high-speed cruisings is less than or equal to 65dBA.
As shown in Figure 1, 2, 3, in the present embodiment, Dynamo Room and motor room are divided into by dividing plate inside testboard,
Frequency converter 8, cooling water pipe 9, generator 10, radiator 11, water pump 12 and support plate 16, motor are mainly installed in Dynamo Room
Motor 14 is placed in room, and motor is fixed on testboard base 13；Merged by testboard, collecting unit and test cell
Mute, liquid coldization and frequency conversion method, the integrated measurement system for minitype permanent magnetism intermediate frequency liquid cooling generator is formed, realized
The test of all technical.Collecting unit includes various instrument and meters, sensor, electric input/output interface etc., and test is single
Member includes single-chip microcomputer, A/D converter, D/A converter etc., when system works, in three-phase caused by permanent magnetism intermediate frequency synchronous generator
Frequency alternating current is transformed to industrial-frequency alternating current through frequency converter, on the one hand exports industrial-frequency alternating current to user's (load), respectively to frequency converter
Item classical insulation is recorded, stored and shown after single-chip microcomputer is analyzed and is handled；On the other hand, change is passed through
Frequency device output driving water pump and radiator work electric energy, it is ensured that system according to setting state parameter normal operation；This implementation
Diesel engine is replaced as prime mover to drive generator operation using motor in example, to simplify the structure design of testboard, drop
Noise and disposal of pollutants in low running, the stability of generator operation rotating speed (frequency) is improved, met every to generator
The demand that performance indications are tested.
In the present embodiment, the outside of testboard is additionally provided with base 13, hatch door, air inlet 1 and exhaust outlet 6, the cabin
Door is tightly connected with testboard, it is preferable that hatch door includes the front door 3 and rear door 7 for being arranged on testboard front and back, uses
Front door 3 and rear door 7 are turned off when the maintaining of stand internal unit and part, work, and hatch door uses sealing structure
And sealing joint strip, prevent noise from outwards propagating, air inlet 1 and exhaust outlet 6, entrance and row for testboard internal cooling air
Go out, and shutter is set at air inlet 1 and exhaust outlet 6, reduce the leakage of testboard internal noise, play a part of noise reduction, survey
Test stand is supported by supporting structure 4, and supporting structure 4 is mainly made up of vibration damping steel plate, and supporting structure 4 is set with testboard base contact surface
Rubber damper is put, plays a part of reducing testboard vibration, testboard back bottom has distribution box 5, main to set conversion to connect
Mouth and input/output interface, base 13 are molded using steel plate punched, and radiator 11, water pump 12, motor 14 and support plate 16 are straight
Connect on base.
In the present embodiment, the noise of motor 14 is actually the ambient noise of generator 10, in order to ensure the noise not
The accuracy of liquid cooling generator noise testing can be influenceed, the noise sound of high-speed motor should be controlled in below 65dBA, therefore
The sound absorption and insulation amount of motor room should be not less than 20dBA.High-speed motor room is absorbed sound and sound insulation is handled.As shown in figure 4,
Sound arrester in the present embodiment includes being arranged at the sound insulationg board outside testboard, and sound insulationg board includes the sound absorption successively set successively
Layer, damping layer 24 and sound insulation flaggy 25, absorbent treatment include perforated plate 21, armour layer 22 and the sound-absorbing material successively set successively
23, sound insulationg board is using 2mm thick and thin walls aluminium sheet as mask, and inside configuration is by light aluminum alloy perforated plate, sound-absorbing material 23, mask
The sound absorption structure of 22 grade composition of layer.To strengthen sound absorption and insulation effect, one layer of damping layer is set between sound-absorbing material and sound insulationg board
24.Indoor side door uses sealing structure and sealing joint strip, prevents noise from outwards propagating, the structure of sound insulationg board is as shown in Figure 4.
In the present embodiment, Dynamo Room is provided with frequency converter 8 and heat-sink unit, and heat-sink unit is connected with generator 10,
Frequency converter 8 includes frequency changer circuit and load circuit, and the input of frequency changer circuit is connected with generator, the output end of frequency changer circuit with
Load circuit connects, for by three-phase mid-frequency convert alternating current caused by generator into single phase industrial frequence alternating current.As shown in figure 5,
Generator 10 in the present embodiment is permanent-magnet liquid-cooled generator, and generator 10 includes the stator and rotor to cooperate, rotor with
The output axis connection of motor, heat-sink unit include coolant jacket, cooling tube, radiator and water pump, and coolant jacket is arranged at outside stator
Portion, cooling tube are connected with coolant jacket, radiator and water pump respectively, and stator can be arranged in support plate by bolt, the cold hair of liquid
The rotor of motor can be connected by shaft coupling with the output shaft of motor, and the coolant jacket in the present embodiment is helix tube type knot
Structure, the work noise of generator is greatly reduced by this liquid-cooled structure.The permanent magnetism intermediate frequency generator type of cooling is designed
Cooled down for liquid-cooled, abandon conventional air-cooled radiating, cooled down by the way of cooling jacket is set in stator casing, from
And noise caused by generator operation is substantially reduced, the mute of generator is realized, with air-cooled comparison, liquid-cooled generator
Cooling noise it is very low, the requirement less than 65dBA can be met.Simultaneously.It is computed and simulation analysis, using square helix tube type
Cooling jacket, preferably cooling radiating effect can be obtained, by cooling line by frequency converter, generator, water pump and radiator
Etc. being together in series, form liquid cooling heat radiation system, coolant in the presence of water pump continuous circulation cooling to reduce inside testboard
Temperature, ensure that the testing experiment of generator is normally carried out.
As shown in fig. 7, in the present embodiment, frequency converter also includes cabinet, the cabinet inside is provided with dividing plate, by cabinet
Inside is divided into frequency converter chamber and the cold chamber of liquid, and the frequency changer circuit is arranged at frequency converter chamber, and the cold chamber of liquid is internally provided with cooling
Liquid, fin, cooling liquid inlet, cooling liquid outlet and pipe joint, the fin are arranged in the cold chamber of liquid, and the pipeline connects
Head is connected with cooling water pipe, and the coolant flows into from import, is flowed out after fin from outlet, the frequency conversion in the present embodiment
Device using hand over it is-straight-hand over conversion system, first AC rectification into direct current, then DC inverter into another frequency
Or the alternating current of variable frequency, there is voltage stabilizing, the advantages of wen-frequency characteristics are good, as shown in figure 8, the frequency changer circuit in the present embodiment by
A few part compositions such as controlled rectification circuit, inverter circuit, exchange output filter circuit, accessory power supply, wherein, controlled rectification circuit
Including input detecting circuit, control circuit, drive circuit and the three-phase half controlled bridge being sequentially connected, inverter circuit includes being sequentially connected
Output detection circuit, control circuit, drive circuit and inverter main circuit, three-phase alternating current is rectified into by controlled rectification circuit
Direct current, then 230V alternating currents are produced with output filtering is exchanged by inverter circuit.
In the present embodiment, testboard is additionally provided with control unit and display unit 2, described control unit respectively with generating
Mechanical, electrical motivation is connected with frequency converter, and for adjusting test parameter, the display unit 2 is connected with test cell, is surveyed for showing
Test result, mainly including the parameter display instruments such as voltage, electric current, power and temperature and relevant control button, conveniently operate and each
The test of item performance indications.
As shown in fig. 6, in the present embodiment, coolant passes through the cold chamber of liquid and coolant jacket successively, to frequency converter and generator
After being radiated successively, then radiated by radiator 11, form circulation loop, liquid-cooling circulating system is using caloric value with dissipating
The balanced design of heat, after cooling water flow out of radiator, the relatively low frequency converter of caloric value is first passed through, then it is higher by caloric value
Generator, finally radiated by radiator 11, be thusly-formed circulation loop, it can be ensured that liquid cooling generator and frequency converter operating temperature
Under the premise of normal, continuously can reliably it run for a long time, in the present embodiment, radiator 11 is fixed on base, radiating
The air inlet position that device fan opens up close to testboard side.
In the present embodiment, in addition to external interface unit, for being attached with external equipment, the survey in the present embodiment
Test system automatic detection, analysis, storage, display and printing function.Can easily it be carried out various electric by test record
The retrieval of performance parameter historical data, inquiry and analysis.Meanwhile in system operation, generator operation can be visually observed that
Data, and can be printed by external interface unit.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any ripe
Know the personage of this technology all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Cause
This, those of ordinary skill in the art is complete without departing from disclosed spirit and institute under technological thought such as
Into all equivalent modifications or change, should by the present invention claim be covered.
Claims (10)
- A kind of 1. minitype permanent magnetism intermediate frequency liquid cooling generator test system, it is characterised in that：Including testboard, collecting unit and test Unit, the testboard are internally provided with dividing plate, will be divided into Dynamo Room and motor room inside testboard, are respectively used to install Generator and motor, are provided with sound arrester outside the testboard, the collecting unit respectively with generator and motor Collecting test parameter is connected to, the test cell is connected with collecting unit, for testing generator.
- 2. minitype permanent magnetism intermediate frequency liquid cooling generator test system according to claim 1, it is characterised in that：The generator Room is provided with frequency converter and heat-sink unit, and the heat-sink unit is connected with generator, and the frequency converter includes frequency changer circuit and born Circuit is carried, the input of the frequency changer circuit is connected with generator, and the output end of the frequency changer circuit is connected with load circuit, is used In by three-phase mid-frequency convert alternating current caused by generator into single phase industrial frequence alternating current.
- 3. minitype permanent magnetism intermediate frequency liquid cooling generator test system according to claim 2, it is characterised in that：The generator For permanent-magnet liquid-cooled generator, the generator includes the stator and rotor to cooperate, the output shaft of the rotor and motor Connection, the heat-sink unit include coolant jacket, cooling tube, radiator and water pump, and the coolant jacket is arranged at stator exterior, described Cooling tube is connected with coolant jacket, radiator and water pump respectively.
- 4. minitype permanent magnetism intermediate frequency liquid cooling generator test system according to claim 3, it is characterised in that：The frequency converter Also include cabinet, the cabinet inside is provided with dividing plate, and cabinet inside is divided into frequency converter chamber and the cold chamber of liquid, the frequency changer circuit Frequency converter chamber is arranged at, the cold chamber of liquid is internally provided with coolant, fin, cooling liquid inlet, cooling liquid outlet and pipeline Joint, the fin are arranged in the cold chamber of liquid, and the pipe joint is connected with cooling water pipe, and the coolant is from inlet flow Enter, flowed out after fin from outlet.
- 5. minitype permanent magnetism intermediate frequency liquid cooling generator test system according to claim 1, it is characterised in that：The testboard Outside is additionally provided with hatch door, air inlet and exhaust outlet, and the hatch door is tightly connected with testboard, and the air inlet and exhaust outlet are set It is equipped with shutter.
- 6. minitype permanent magnetism intermediate frequency liquid cooling generator test system according to claim 2, it is characterised in that：The testboard Control unit and display unit are additionally provided with, described control unit is connected with generator, motor and frequency converter respectively, for adjusting Whole test parameter, the display unit is connected with test cell, for showing test result.
- 7. minitype permanent magnetism intermediate frequency liquid cooling generator test system according to claim 2, it is characterised in that：The sound insulation dress The sound insulationg board including being arranged at Dynamo Room is put, the sound insulationg board includes absorbent treatment, damping layer and the sound insulation successively set successively Flaggy, the absorbent treatment include perforated plate, armour layer and the sound-absorbing material successively set successively.
- 8. minitype permanent magnetism intermediate frequency liquid cooling generator test system according to claim 3, it is characterised in that：The coolant jacket To be spirally wound on the rectangular tube on stator casing surface.
- 9. minitype permanent magnetism intermediate frequency liquid cooling generator test system according to claim 4, it is characterised in that：The coolant Pass through the cold chamber of liquid and coolant jacket successively, after being radiated successively to frequency converter and generator, then radiated by radiator, shape Into circulation loop.
- 10. minitype permanent magnetism intermediate frequency liquid cooling generator test system according to claim 1, it is characterised in that also include outer Portion's interface unit, for being attached with external equipment.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638802A (en) * | 2021-07-16 | 2021-11-12 | 浙江英丽科技有限公司 | Rare earth permanent magnet power generation equipment for off-grid base station |
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