CN204559368U - A kind of acyclic type dish type permanent magnet coupling speed regulator - Google Patents
A kind of acyclic type dish type permanent magnet coupling speed regulator Download PDFInfo
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- CN204559368U CN204559368U CN201520263259.5U CN201520263259U CN204559368U CN 204559368 U CN204559368 U CN 204559368U CN 201520263259 U CN201520263259 U CN 201520263259U CN 204559368 U CN204559368 U CN 204559368U
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- permanent magnet
- rotor
- pan support
- pole
- iron pan
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Abstract
A kind of acyclic type dish type permanent magnet coupling speed regulator, comprise conductor rotor and p-m rotor, it is characterized in that described conductor rotor comprises iron pan support and is assemblied in the conductor disc on iron pan support, the permanent magnet pole that what described p-m rotor comprised that iron pan support and interval replace be assemblied on iron pan support and soft iron magnetic pole, described conductor disc and keep discontiguous couple state between permanent magnet pole and soft iron magnetic pole, the axial displacement between conductor rotor and p-m rotor is regulated by operating mechanism, change the torque of conductor disc cutting magnetic line, realize drive speed-adjusting.The utility model utilizes the magnetic property of soft iron magnetic pole, induce contrary polarity by adjacent permanent magnet poles, half permanent magnet pole can be reduced relative to traditional dish type permanent magnet coupling speed regulator, and there is no rectification and the reversals of variable-frequency governor, do not consume electric energy, there is no electromagnetic pollution.
Description
Technical field
The utility model relates to a kind of permanent magnet coupling speed regulator, and particularly a kind of acyclic type dish type permanent magnet coupling speed regulator, belongs to energy-conservation of consumption reduction technical field.
Background technology
At present, frequency converter is widely used in electric machine speed regulation field.Control method is that the input voltage frequency of change motor is to control the rotating speed of motor and load.By means of the efficient controlled advantage of power electronic device, communication power supply is carried out to the voltage being changed to amplitude after rectification, filtering, inversion etc. adjust, frequency meets motor duty requirements, realize motor operational efficiency optimization, reach the objects such as energy-saving and emission-reduction.
But utilize frequency converter timing to have the following disadvantages.
1, the power electronic device in frequency converter, in the process such as voltage commutation, inversion, can produce various high order harmonic component, causes interference to electric power system, load and adjacent electrical equipment.Usually to drop into again harmonic treating apparatus with the use of.
2, power electronic device belongs to high-accuracy components and parts, poor to the adaptive capacity of the change of surrounding environment, and more responsive for extraneous factor impact, easily damage, useful life is restricted.
3, big-power transducer heating is serious, must be equipped with special temperature control equipment as air-conditioning, ensures frequency converter safe operation.
4, frequency converter is assemblied between motor and power supply, cannot change motor and the hardwired present situation of load, cannot remove the impact of load vibration on electrical machinery life.
For solving the unfavorable problem of engineering of variable-frequency control technique, occurred many permanent magnet coupling speed regulating device, american wheat Ge Nafusi just proposes a kind of adjustable magnetic mechanical couple as far back as on February 20th, 1998.In existing permanent magnet coupling speed regulating device, the version of conductor rotor and p-m rotor is roughly divided into three kinds: dish type, tubular and taper.Wherein, the permanent magnetism magnetic pole on p-m rotor is all by the alternately assembling of opposite polarity permanent magnet interval, and permanent magnetic material consumption is very large, and the impact of cost height is applied.
Summary of the invention
The purpose of this utility model is just the problems referred to above solving prior art existence, after repetition test and research, provides a kind of acyclic type dish type permanent magnet coupling speed regulator.This acyclic type dish type permanent magnet coupling speed regulator that the utility model provides, regulates torque by conductor rotor and p-m rotor non-contacting magnetic couple working method transmission, reaches and to regulate in drive system load speed and realize energy-conservation object.
The technical scheme that the utility model adopts is as follows.
A kind of acyclic type dish type permanent magnet coupling speed regulator, comprise conductor rotor and p-m rotor, the conductor rotor being characterized in described comprises iron pan support, described iron pan support is equipped with conductor disc, described p-m rotor comprises iron pan support, described iron pan support is equipped with permanent magnet pole and soft iron magnetic pole, described conductor disc and keep discontiguous couple state between permanent magnet pole and soft iron magnetic pole, the axial displacement between conductor rotor and p-m rotor is regulated by operating mechanism, change the torque of conductor disc cutting magnetic line, realize drive speed-adjusting.
The conductor disc that the iron pan support of conductor rotor assembles has the certain thickness disk conducted electricity very well, and described iron pan support has the good disk of certain thickness magnetic conductivity.
Permanent magnet pole and the soft iron magnetic pole of the iron pan support assembling of p-m rotor are the segment structures with same size, and the segment of described permanent magnet pole and soft iron magnetic pole has same size.
Segment permanent magnet pole magnetizing direction is that axially the polarity of all permanent magnet poles is assemblied on the iron pan support of p-m rotor along equidirectional, and the permanent magnet pole of p-m rotor and soft iron magnetic pole are interval alternately assembling on iron pan support.
Regulated the axial displacement of conductor rotor and p-m rotor by operating mechanism, change the degree of coupling between conductor rotor and p-m rotor, thus change the torque of conductor disc cutting magnetic line, realize drive speed-adjusting.
This acyclic type dish type permanent magnet coupling speed regulator that the utility model provides, the permanent magnet pole that use overall dimension is identical, quantity is equal and soft iron pole piece spacing are alternately assemblied on iron pan support, the interval of permanent magnet pole and soft iron magnetic pole replaces arrangement, soft iron magnetic pole can be magnetized in the course of the work, automatic formation and the opposite polarity magnetic feature of permanent magnet pole, the materials of half permanent magnet pole can be saved, benefit and reduce costs.
And acyclic type dish type permanent magnet coupling speed regulator does not have rectification, reversals, does not consume electric energy, does not pollute power supply, do not need to be equipped with harmonic treating apparatus.There is no power electronic device, make mechanically to regulate, strong to adaptive capacity to environment, long service life.Permanent magnet coupling speed regulator is assemblied between motor and load, utilizes magnetic couple carry-over moment, realizes being flexible coupling of motor and load, eliminates the vibration of load to the impact of motor.
Compared with prior art, the beneficial effects of the utility model are.
1, realize repeatably, adjustable controllable Driving Torque and rotating speed, reach the object of variable speed energy saving.
2, install soft iron magnetic pole additional, reduce the consumption of half permanent magnet pole, reduce costs to benefit and apply.
3, Contactless power transmission, can realize empty load of motor soft start, impacts and no electromagnetic pollution electrical network no current.
4, speed regulating device long service life, run duration maintenance cost is low.
5, easy for installation, running environment no requirement (NR), without the need to being equipped with safety guard.
6, realize being flexible coupling of motor and load, eliminate the impact of load vibration to motor.
Accompanying drawing explanation
Fig. 1 is the structural front view of the utility model acyclic type dish type permanent magnet coupling speed regulator.
Fig. 2 is the structural front view of the utility model acyclic type dish type permanent magnet coupling speed regulator p-m rotor.
Fig. 3 is the permanent magnet pole of the utility model acyclic type dish type permanent magnet coupling speed regulator and the three-dimensional view of soft iron magnetic pole.
Fig. 4 is the structural front view of the utility model acyclic type dish type permanent magnet coupling speed regulator conductor rotor.
Fig. 5 is the speed regulation characteristic of the utility model acyclic type dish type permanent magnet coupling speed regulator embodiment.
Embodiment
Below in conjunction with specification figure and embodiment, the present invention is illustrated in greater detail.
As shown in Figure 1, a kind of embodiment of the present utility model, this acyclic type dish type permanent magnet coupling speed regulator is made up of conductor rotor 1 and p-m rotor 2, the external connection terminal of described conductor rotor 1 is connected with load rotating shaft 3, the external connection terminal of described p-m rotor 2 is connected with machine shaft 4, operating mechanism 5 is assembled between described p-m rotor 2 and machine shaft 4, described operating mechanism 5 regulates coupling distance and the axial displacement of conductor rotor 1 and p-m rotor 2, described conductor rotor 1 does not contact with p-m rotor 2, relatively rotate and realize magnetic force line cutting generation transmission of torque power.
As shown in Figure 2, p-m rotor 2 comprises iron pan support 6, described iron pan support 6 assembles permanent magnet pole 7 and soft iron magnetic pole 8, described permanent magnet pole 7 and soft iron magnetic pole 8 interval are alternately arranged on iron pan support 6, the external connection terminal of the iron pan support 6 of described p-m rotor arranges keyway 9, and described keyway 9 is for connecting machine shaft 4.As shown in Figure 3, permanent magnet pole 7 is that thickness direction magnetizes vertically for described permanent magnet pole 7 and the three-dimensional view of soft iron magnetic pole 8.
As shown in Figure 4, conductor rotor 1 comprises iron pan support 10, and described iron pan support 10 assembles conductor disc 11, and described iron pan support 10 external connection terminal arranges keyway 12, and described keyway 12 is for connecting load rotating shaft 3.
As shown in Figure 1, the operating mechanism 5 of acyclic type dish type permanent magnet coupling speed regulator regulates relative position and the axial displacement of conductor rotor 1 and p-m rotor 2, thus change conductor rotor 1 and the degree of coupling of p-m rotor 2, change the torque of conductor disc cutting magnetic line, realize the adjustment of load speed; The present embodiment is 2 pole motor drag fans load speed governing operations of 50Hz Power supply, and speed regulation characteristic as shown in Figure 5.
The foregoing is only a kind of embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle; any amendment of doing, equivalent replacement, improvement etc.; such as conductor rotor and p-m rotor and between motor and load the change of annexation or prime mover may not be motor but other motility device etc., all should be included within protection range of the present utility model.
Claims (4)
1. an acyclic type dish type permanent magnet coupling speed regulator, comprise conductor rotor and p-m rotor, it is characterized in that described conductor rotor comprises iron pan support and is assemblied in the conductor disc on iron pan support, described p-m rotor comprises iron pan support and the permanent magnet pole be assemblied on iron pan support and soft iron magnetic pole; Described conductor disc and keep discontiguous couple state between permanent magnet pole and soft iron magnetic pole, regulates the axial displacement between conductor rotor and p-m rotor by operating mechanism, changes the torque of conductor disc cutting magnetic line, realizes drive speed-adjusting.
2. acyclic type dish type permanent magnet coupling speed regulator according to claim 1, it is characterized in that the conductor disc that the iron pan support of conductor rotor assembles has the certain thickness disk conducted electricity very well, described iron pan support has the good disk of certain thickness magnetic conductivity.
3. acyclic type dish type permanent magnet coupling speed regulator according to claim 1, it is characterized in that the permanent magnet pole that the iron pan support of p-m rotor assembles and soft iron magnetic pole are the segment structures with same size, the segment of described permanent magnet pole and soft iron magnetic pole has same size.
4. acyclic type dish type permanent magnet coupling speed regulator according to claim 3, it is characterized in that segment permanent magnet pole magnetizing direction is for axial, the polarity of all permanent magnet poles is assemblied on the iron pan support of p-m rotor along equidirectional, and the permanent magnet pole of p-m rotor and soft iron magnetic pole are interval alternately assembling on iron pan support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263259.5U CN204559368U (en) | 2015-04-28 | 2015-04-28 | A kind of acyclic type dish type permanent magnet coupling speed regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520263259.5U CN204559368U (en) | 2015-04-28 | 2015-04-28 | A kind of acyclic type dish type permanent magnet coupling speed regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204559368U true CN204559368U (en) | 2015-08-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520263259.5U Expired - Fee Related CN204559368U (en) | 2015-04-28 | 2015-04-28 | A kind of acyclic type dish type permanent magnet coupling speed regulator |
Country Status (1)
| Country | Link |
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| CN (1) | CN204559368U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699233A (en) * | 2016-04-18 | 2016-06-22 | 中国矿业大学 | Adjustable hip joint tester loading system |
-
2015
- 2015-04-28 CN CN201520263259.5U patent/CN204559368U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105699233A (en) * | 2016-04-18 | 2016-06-22 | 中国矿业大学 | Adjustable hip joint tester loading system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20170428 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |