CN206348438U - A kind of motor load judgment means - Google Patents
A kind of motor load judgment means Download PDFInfo
- Publication number
- CN206348438U CN206348438U CN201621388046.6U CN201621388046U CN206348438U CN 206348438 U CN206348438 U CN 206348438U CN 201621388046 U CN201621388046 U CN 201621388046U CN 206348438 U CN206348438 U CN 206348438U
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- CN
- China
- Prior art keywords
- judgment means
- motor load
- motor
- load judgment
- rotating speed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
The utility model discloses a kind of motor load judgment means, including testing cassete, test device, process chamber, wire, frequency spectrograph, computer, platform, leg, motor housing, moment of torsion rotating speed test panel, infrared radiation thermometer, fifth wheel, fast pulley, conduit and fixed seat.This practicality provides a kind of motor load judgment means, in test process, motor load increase when, mechanical energy just increase, it is necessary to electric energy certainly just increase, now the rotating speed of rotor will decline, the counter electromotive force produced in stator winding reduces, and rotor rotates the frictional force produced and is also reduced by, and motor temperature is also just gradually reduced, otherwise when load reduces, temperature can then rise.The utility model inside test device by installing infrared radiation thermometer, monitor testing of electric motors rotor pivoting friction in real time by infrared radiation thermometer, the judgement to motor load is realized in the change of its temperature, and intuitively reflects the situation of change of load by frequency spectrograph, applied widely, practical.
Description
Technical field
The utility model is related to a kind of load judgment device, specially a kind of motor load judgment means, belongs to motor and bears
Carry detection judgment technology field.
Background technology
Motor load judgment means are a kind of devices for testing of electric motors load change in use, and its work is former
Manage and be, according to law of conservation of energy, when loading increase, electromechanics can just increase, it is necessary to electric energy just increase certainly.Stator
Winding produces and induced-current is produced in rotating excitation field, rotor windings, and rotor produces electromagnetic torque and rotated；Rotor current is also produced
Magnetic field, the magnetic field is rotated with the rotation of rotor, stator winding is produced induced electromotive force, the electromotive force and stator winding China and foreign countries
Power up voltage-phase opposite（Counter electromotive force）.During load increase, rotor speed declines, the counter electromotive force produced in stator winding
Reduce, stator current increase（Electric current maximum is exactly this reason when starting or stall）, stronger magnetic field is produced, rotor is obtained more
Big electromagnetic torque, is balanced with load torque, conversely, then opposite.Although the contact without electricity, during motor load increase, turn
Speed necessarily declines, the speed increase of stator rotating excitation field cutting rotor conductor, and larger electric current is sensed in rotor conductor, is increased
Impetus of the stator electromagnet power to rotor, makes motor produce larger torque, so, stator current can increase.By surveying
Try the change of device to test stator current and the change of rotor speed and internal magnetic field then can determine whether out the change of motor load
Change.
But existing motor load judgment means still suffer from certain defect, it is necessary to by different hardware come real when in use
The rated-load capacity of existing different product, it is therefore desirable to the hardware different to each product development, thus cause the construction cycle compared with
Long, test certification is complicated, relatively bothers.Therefore, a kind of motor load judgment means are proposed regarding to the issue above.
Utility model content
The purpose of this utility model is that provides a kind of motor load judgment means to solve the above problems.
The utility model is achieved through the following technical solutions above-mentioned purpose, a kind of motor load judgment means, including surveys
Try that test device is installed inside box, the testing cassete, and the test device connects process chamber, the conduit by conduit
Side is connected wheel, and fifth wheel is installed in the fast pulley side, and the fifth wheel is fixedly connected with moment of torsion rotating speed test panel, and
Infrared radiation thermometer is set above the moment of torsion rotating speed test panel, and the testing cassete is fixedly mounted on motor housing with the process chamber
Top, and several legs are installed in the motor housing bottom, the motor housing side, which is set, sets meter in platform, and the platform
Calculation machine.
It is preferred that, the process chamber connects frequency spectrograph by wire.
It is preferred that, the moment of torsion rotating speed test panel is movably connected with the fifth wheel.
It is preferred that, the infrared radiation thermometer is fixedly connected with the fast pulley by fixed seat.
It is preferred that, the motor housing is electrically connected with the testing cassete, the process chamber.
It is preferred that, the testing cassete is the good hollow structure of sealing.
The beneficial effects of the utility model are：This practicality provides a kind of motor load judgment means, in test process, electricity
During machine load increase, mechanical energy just increase, it is necessary to electric energy just increase certainly, now the rotating speed of rotor will decline, fixed
The counter electromotive force produced in sub- winding reduces, and rotor rotates the frictional force produced and is also reduced by, and motor temperature is also just gradually reduced,
Otherwise when load reduces, temperature can then rise.The utility model inside test device by installing infrared radiation thermometer, by red
Outer temperature measurer monitors testing of electric motors rotor pivoting friction in real time, and the judgement to motor load is realized in the change of its temperature, and is passed through
Frequency spectrograph intuitively reflects the situation of change of load, applied widely, practical.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is test device structural representation of the present utility model.
In figure：1st, testing cassete, 2, test device, 3, process chamber, 4, wire, 5, frequency spectrograph, 6, computer, 7, platform, 8,
Leg, 9, motor housing, 10, moment of torsion rotating speed test panel, 11, infrared radiation thermometer, 12, fifth wheel, 13, fast pulley, 14, conduit,
15th, fixed seat.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Refer to shown in Fig. 1-2, a kind of motor load judgment means, including testing cassete 1, test is installed in the inside of testing cassete 1
Device 2, and test device 2 connects process chamber 3 by conduit 14, the side of conduit 14 is connected wheel 13, and fast pulley 13
Fifth wheel 12 is installed in side, and fifth wheel 12 is fixedly connected with moment of torsion rotating speed test panel 10, and the top of moment of torsion rotating speed test panel 10 is set
Infrared radiation thermometer 11, testing cassete 1 is fixedly mounted on the top of motor housing 9 with process chamber 3, and several are installed in the bottom of motor housing 9
Leg 8, the side of motor housing 9, which is set, sets computer 6 in platform 7, and platform 7.
As a kind of technical optimization scheme of the present utility model, process chamber 3 connects frequency spectrograph 5 by wire 4, fills test
The load situation of change tested out is put more intuitively to feed back.
As a kind of technical optimization scheme of the present utility model, moment of torsion rotating speed test panel 10 connects with fifth wheel 12 in activity
Connect, the convenient rotating speed that rotor is tested out by moment of torsion rotating speed test panel 10.
As a kind of technical optimization scheme of the present utility model, infrared radiation thermometer 11 is fixedly connected with fixation by fixed seat 15
Wheel 13, it is ensured that stability when infrared radiation thermometer 11 is used, so that it is guaranteed that the accurate data tested out.
As a kind of technical optimization scheme of the present utility model, motor housing 9 is electrically connected with testing cassete 1, process chamber 3,
It is convenient to provide power source with process chamber 3 for testing cassete 1.
As a kind of technical optimization scheme of the present utility model, testing cassete 1 is the good hollow structure of sealing, it is to avoid surveyed
The temperature leak that the rotor pivoting friction that the inside of examination box 1 is connected with test device 2 is produced.
When in use, first, device is fixedly mounted for the utility model, and motor is arranged on inside testing cassete 1, by electricity
Machine rotor is connected with moment of torsion rotating speed test panel 10, secondly, starter, and when motor load increases, mechanical energy just increases, and needs
The electric energy wanted just increases certainly, and now the rotating speed of rotor will decline, and the counter electromotive force produced in stator winding reduces, and turns
Son rotates the frictional force produced and is also reduced by, and motor temperature is also just gradually reduced, and when load on the contrary reduces, temperature can then rise,
Infrared radiation thermometer 11 inside test device 2 monitors the change of motor rotor temperature in real time, and coordinates moment of torsion rotating speed test panel 10
The rotating speed tested out, by process chamber 3 by data analysis statistical, and is transmitted to frequency spectrograph 5, by frequency spectrograph 5 by data with oscillogram
The feedback of formal intuition go out, finally, with reference to computer 6 is by the data analysis of test and records.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (6)
1. a kind of motor load judgment means, including testing cassete（1）, it is characterised in that：The testing cassete（1）Inside is installed by test
Device（2）, and the test device（2）Pass through conduit（14）Connect process chamber（3）, the conduit（14）Side connection is solid
Fixed wheel（13）, and the fast pulley（13）Side is installed by fifth wheel（12）, the fifth wheel（12）It is fixedly connected with the survey of moment of torsion rotating speed
Try disk（10）, and the moment of torsion rotating speed test panel（10）Top sets infrared radiation thermometer（11）, the testing cassete（1）With the place
Manage room（3）It is fixedly mounted on motor housing（9）Top, and the motor housing（9）Bottom is installed by several legs（8）, the electricity
Cabinet（9）Side sets platform（7）, and the platform（7）Upper setting computer（6）.
2. a kind of motor load judgment means according to claim 1, it is characterised in that：The process chamber（3）By leading
Line（4）Connect frequency spectrograph（5）.
3. a kind of motor load judgment means according to claim 1, it is characterised in that：The moment of torsion rotating speed test panel
（10）With the fifth wheel（12）It is movably connected.
4. a kind of motor load judgment means according to claim 1, it is characterised in that：The infrared radiation thermometer（11）It is logical
Cross fixed seat（15）It is fixedly connected with the fast pulley（13）.
5. a kind of motor load judgment means according to claim 1, it is characterised in that：The motor housing（9）With it is described
Testing cassete（1）, the process chamber（3）Electrically connect.
6. a kind of motor load judgment means according to claim 1, it is characterised in that：The testing cassete（1）For sealing
Hollow structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621388046.6U CN206348438U (en) | 2016-12-17 | 2016-12-17 | A kind of motor load judgment means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621388046.6U CN206348438U (en) | 2016-12-17 | 2016-12-17 | A kind of motor load judgment means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206348438U true CN206348438U (en) | 2017-07-21 |
Family
ID=59321647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621388046.6U Expired - Fee Related CN206348438U (en) | 2016-12-17 | 2016-12-17 | A kind of motor load judgment means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206348438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680859A (en) * | 2018-06-13 | 2018-10-19 | 新乡市恒润机电有限公司 | A kind of pumping dirt pump motor control box fictitious load test method |
-
2016
- 2016-12-17 CN CN201621388046.6U patent/CN206348438U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108680859A (en) * | 2018-06-13 | 2018-10-19 | 新乡市恒润机电有限公司 | A kind of pumping dirt pump motor control box fictitious load test method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20201217 |