CN202542646U - Switched reluctance type gearless machine - Google Patents
Switched reluctance type gearless machine Download PDFInfo
- Publication number
- CN202542646U CN202542646U CN2012200973110U CN201220097311U CN202542646U CN 202542646 U CN202542646 U CN 202542646U CN 2012200973110 U CN2012200973110 U CN 2012200973110U CN 201220097311 U CN201220097311 U CN 201220097311U CN 202542646 U CN202542646 U CN 202542646U
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- rotor
- switched reluctance
- stator
- sensor
- traction sheave
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Abstract
The utility model provides a switched reluctance type gearless machine which comprises a motor, a traction sheave, a sensor and at least two brakes, wherein the motor is a switched reluctance motor, the switched reluctance motor comprises a base, a rotor and a stator, and drives the traction sheave to rotate for providing the traction drive force for the running of an elevator, the rotor and the stator are installed on the base, the sensor is installed in the base, all the windings of the stator are powered on or off by a controller according to a certain rule on the basis of the rotor position information which is detected by the sensor, electromagnetic torque is generated to drive the rotor to rotate, accordingly, the drive force is generated, and the brakes are installed at the two sides of the base. The machine adopts the switched reluctance motor to drive the traction sheave to rotate, and the rotor is formed by laminating a rotating shaft and a salient pole silicon steel sheet. Compared with the prior art, the structure of the machine is greatly simplified, the cost of the whole machine is greatly lowered, and the machine has a compact structure and a small size.
Description
Technical field
The utility model belongs to the elevator drive technical field, particularly a kind of switching magnetic-resistance formula gearless machine.
Background technology
Traditional elevator traction machine generally uses three phase asynchronous motor, and the volume of this type electrical motor is big, noise big and inefficiency; Must be equipped with baroque speed reduction gearing to work together in addition, make whole towing machine complex structure, the complete machine cost improves, and fault rate is high, and maintenance cost is also than higher.Permanent magnetic synchronous traction machine development in recent years rapidly; Have and replace the trend that tradition is used the towing machine of three phase asynchronous motor; But along with increasing rapidly of rare earth material price, whole towing machine cost is double, the expensive big limitations of cost the development of permanent magnetic synchronous traction machine; And permanent magnet high temperature demagnetizes easily, if design the reliability that improper meeting reduces permanent magnetic synchronous traction machine greatly.
Summary of the invention
The purpose of the utility model is to provide a kind of simple and reliable for structure, little lightweight switching magnetic-resistance formula gearless machine of volume, and its rotor do not have permanent magnet and do not have winding, do not receive the temperature rise restriction and speed adjustable range is wide, power factor is high, in whole speed adjustable range, all can keep high efficiency.
To achieve these goals, the utility model provides a kind of switching magnetic-resistance formula gearless machine, comprises electrical motor, traction sheave, sensor and at least two drgs; Said electrical motor is a switched reluctance motor; Said switched reluctance motor comprises support, rotor and stator, and switched reluctance motor drives traction sheave rotates provides traction for the elevator operation propulsive effort, and rotor and stator are installed on the support; Sensor is installed in the support; The rotor position information that controller arrives according to sensor carries out the break-make electricity to each phase winding of stator according to certain rule, produces electromagnetic torque and drives rotor rotation; Thereby generation propulsive effort, drg are installed on the both sides of support.
Support and towing machine complete machine base are integral structure, and the support outer round surface is provided with radiating ribs.
Said stator adopts open slot to concentrate winding, and the first end of winding coil is drawn out to connection box respectively, links to each other with controller through connection lead.
Rotor is made up of rotating shaft and rotor core, and said rotor core forms for the salient pole silicon steel plate stacking.
Said traction sheave and brake disc adopt integral type cast structure or split type assembling back machinework, guarantee concentricity and squareness between traction sheave and the brake disc.
Sensor is a magslip.
Drg is caliper brake, folding brake, two drg or axle braking device of pushing away.
The switching magnetic-resistance formula gearless machine of the utility model adopts switched reluctance motor to drive traction sheave and rotates, and rotor is formed by rotating shaft and salient pole silicon steel plate stacking.Compared with prior art, the towing machine of the utility model has been removed and has been used the magnet structure of rare earth material, and need not to be equipped with the drop-gear box structure, has simplified the towing machine structure greatly, and the complete machine cost reduces greatly, and the compact conformation volume is little; This uses later-model towing machine can realize the big torque of slow speed of revolution in addition, and its starting current is little, overload capacity is strong, also can realize four quadrant running, frequent rotating operation, and the little efficient of noise is high; And the number of stator slots of the utility model is few, and is open slot, and rule efficient is high, adopts and concentrates winding, and the end span is short, also reduces the enamel covered wire consumption, practices thrift cost, improves winding efficiency.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment, the structure and the useful technique effect thereof of the switching magnetic-resistance formula gearless machine of the utility model is elaborated.
Fig. 1 is the sectional structure scheme drawing of the utility model;
Fig. 2 is the main TV structure scheme drawing of the utility model;
Fig. 3 is the axial view of the utility model switched reluctance motor rotor.
Among the figure: 1, traction sheave; 2, rotor; 21, diffusing hole; 22, convexity; 3, stator; 4, support; 5, sensor; 6, drg.
The specific embodiment
Understand for the purpose, technical scheme and the useful technique effect that make the utility model are more clear, the technology contents and the specific embodiment of the utility model is described in further detail below in conjunction with accompanying drawing.Should be understood that the specific embodiment of describing in this specification sheets only is in order to explain the utility model, is not in order to limit the utility model.
Referring to figs. 1 through shown in Figure 3; The switching magnetic-resistance formula gearless machine of the utility model comprises switched reluctance motor, traction sheave 1, sensor 5 and drg 6; Wherein switched reluctance motor comprises support 4, rotor 2 and stator 3; Switched reluctance motor drives traction sheave 1 rotates provides traction for the elevator operation propulsive effort, and rotor 2 is installed on the support 4 with stator 3.Support 4 is an integral structure with towing machine complete machine base, and support 4 outer round surface are provided with radiating ribs, and are simple in structure easy to assembly.
Said traction sheave 1 adopts integral type cast structure or split type assembling back machinework with brake disc, should be noted that the concentricity and the squareness that guarantee between traction sheave 1 and the brake disc.
The stator 3 of switched reluctance motor adopts open slot to concentrate winding, is convenient to realize automatic winding, and the first end of winding coil is drawn out to connection box respectively, links to each other with controller through connection lead.Rotor 2 is made up of rotating shaft and rotor core, and said rotor core forms for the salient pole silicon steel plate stacking, and it can adopt inner rotor core also can adopt outer-rotor structure, need not magnet steel and winding.
Sensor 5 adopts rotating transformer structures to replace the conventional coding device, and sensor 5 is installed in the switched reluctance motor support 4.Controller is according to sensor 5 detected rotor position informations, and each phase winding of stator 3 is carried out the break-make electricity according to certain rule, produces electromagnetic torque and drives rotor 2 and rotate, thereby produce propulsive effort.
Every towing machine need be equipped with 2 above magnet stoppers 6 at least; Drg 6 is installed on the both sides of support 4, and the friction lining of drg 6 relies on spring pressure to contact with motor rotor 2 and produces braking torque during outage, makes the towing machine stall; Energising back friction lining leaves rotor 2, and towing machine rotates.The towing machine of the utility model adopts switched reluctance motor to drive traction sheave 1 and rotates; Thereby for elevator provides propulsive effort; Wherein switched reluctance motor can be realized four quadrant running, can carry out the regenerative brake design, occurs air crash danger when avoiding all electrical equipment et out of orders.When one of them drg broke down, other drg can guarantee that still elevator stops or low speed descends; When all drgs broke down simultaneously, switched reluctance motor was in generating state, can produce certain braking torque, and elevator safety is descended, and the air crash phenomenon can not occur, and is safe and reliable.Drg 6 can be selected caliper brake, folding brake, two drg or axle braking device etc. of pushing away.
The utility model only carries out detailed description with regard to the most preferred embodiment of the utility model; But can not be interpreted as the restriction of other modes that the utility model is implemented; Everyly on the utility model basis, further improve and similar or identical scheme, all being regarded as is the scope that the utility model is asked for protection.
According to the announcement and the instruction of above-mentioned specification sheets, the utility model those skilled in the art can also carry out suitable change and modification to above-mentioned embodiment.Therefore, the specific embodiment that discloses and describe above the utility model is not limited to is in the protection domain of the claim that also should fall into the utility model to some modifications and the change of the utility model.In addition, although used some specific terms in this specification sheets, these terms are explanation for ease just, the utility model is not constituted any restriction.
Claims (7)
1. switching magnetic-resistance formula gearless machine; Comprise electrical motor, traction sheave (1), sensor (5) and at least two drgs (6), it is characterized in that: said electrical motor is a switched reluctance motor, and said switched reluctance motor comprises support (4), rotor (2) and stator (3); Switched reluctance motor drives traction sheave (1) rotates provides traction for the elevator operation propulsive effort; Rotor (2) and stator (3) are installed on the support (4), and sensor (5) is installed in the support (4), and controller is according to the detected rotor of sensor (5) (2) location information; Each phase winding to stator (3) carries out break-make according to certain rule; Produce electromagnetic torque and drive rotor (2) rotation, thereby produce propulsive effort, drg (6) is installed on the both sides of support (4).
2. switching magnetic-resistance formula gearless machine according to claim 1 is characterized in that: support (4) is an integral structure with towing machine complete machine base, and support (4) outer round surface is provided with radiating ribs.
3. switching magnetic-resistance formula gearless machine according to claim 1 is characterized in that: said stator (3) adopts open slot to concentrate winding, and the first end of winding coil is drawn out to connection box respectively, links to each other with controller through connection lead.
4. switching magnetic-resistance formula gearless machine according to claim 1 is characterized in that: rotor (2) is made up of rotating shaft and rotor core, and said rotor core forms for the salient pole silicon steel plate stacking.
5. switching magnetic-resistance formula gearless machine according to claim 1; It is characterized in that: said traction sheave (1) adopts integral type cast structure or split type assembling back machinework with brake disc, guarantees concentricity and squareness between traction sheave (1) and the brake disc.
6. switching magnetic-resistance formula gearless machine according to claim 1 is characterized in that: sensor (5) is a magslip.
7. switching magnetic-resistance formula gearless machine according to claim 1 is characterized in that: drg (6) is caliper brake, folding brake, two drg or axle braking device of pushing away.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200973110U CN202542646U (en) | 2012-03-15 | 2012-03-15 | Switched reluctance type gearless machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200973110U CN202542646U (en) | 2012-03-15 | 2012-03-15 | Switched reluctance type gearless machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202542646U true CN202542646U (en) | 2012-11-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200973110U Expired - Lifetime CN202542646U (en) | 2012-03-15 | 2012-03-15 | Switched reluctance type gearless machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202542646U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602782A (en) * | 2012-03-15 | 2012-07-25 | 浙江西子富沃德电机有限公司 | Switched reluctance type gearless tractor |
| CN103457429A (en) * | 2013-08-28 | 2013-12-18 | 日立电梯电机（广州）有限公司 | Inner rotor permanent magnet synchronous magnetic resistance type traction drive device |
| CN106185565A (en) * | 2016-08-30 | 2016-12-07 | 浙江玛拓驱动设备有限公司 | A kind of traction machine with square brake |
-
2012
- 2012-03-15 CN CN2012200973110U patent/CN202542646U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102602782A (en) * | 2012-03-15 | 2012-07-25 | 浙江西子富沃德电机有限公司 | Switched reluctance type gearless tractor |
| CN103457429A (en) * | 2013-08-28 | 2013-12-18 | 日立电梯电机（广州）有限公司 | Inner rotor permanent magnet synchronous magnetic resistance type traction drive device |
| CN103457429B (en) * | 2013-08-28 | 2016-01-20 | 日立电梯电机（广州）有限公司 | Internal rotor permanent-magnetic synchronous reluctance formula traction drive unit |
| CN106185565A (en) * | 2016-08-30 | 2016-12-07 | 浙江玛拓驱动设备有限公司 | A kind of traction machine with square brake |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121121 |
|
| CX01 | Expiry of patent term |