CN1747285A - Motor with annual coils for elevator - Google Patents
Motor with annual coils for elevator Download PDFInfo
- Publication number
- CN1747285A CN1747285A CN 200410095809 CN200410095809A CN1747285A CN 1747285 A CN1747285 A CN 1747285A CN 200410095809 CN200410095809 CN 200410095809 CN 200410095809 A CN200410095809 A CN 200410095809A CN 1747285 A CN1747285 A CN 1747285A
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- Prior art keywords
- cooling air
- annual
- coils
- motor
- cooling
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- Motor Or Generator Cooling System (AREA)
- Cage And Drive Apparatuses For Elevators (AREA)
Abstract
The present invention relates to a motor with annual coils for elevators, having a stator (6), a rotor (12) and a shell (19) surrounding the components, wherein the shell (19) is provided with a back plate (2) and a rotating body (4); cooling air lead-in holes (13a and 13b) for blowing in cooling air from the outside of the shell (19) are arranged on the shell (19); the stator (6) is provided with teeth parts and a coil part. The cooling air lead-in holes (13a and 13b) are arranged to face to spaces among the teeth parts, and the cooling air is utilized to cool the coil part. The motor with annual coils aims to provide the motor with annual coils for elevators to ensure that a winch can be miniaturized even more through the centralized cooling to the coil part becoming the principal factor of the temperature rise of the winch.
Description
Technical field
The present invention relates to the employed motor with annual coils for elevator of hoist engine of lifting car.
Background technology
In the conventional apparatus, be provided with suction inlet at the top of hoist engine, be provided with exhaust outlet in the bottom of hoist engine, cooling air flows to exhaust outlet by the whole inside of hoist engine from air entry, and hoist engine is cooled off (for example, with reference to patent documentation 1).
[patent documentation 1] Japanese kokai publication hei 9-56120 communique
Use in the motor with annual coils at above-mentioned this traditional elevator, because of the whole inside of cooling air by hoist engine flows to exhaust outlet from air entry, so can not concentrate cooling to the coil portion that becomes the principal element that the hoist engine temperature rises, the space that the cooling hoist engine must be used is provided with very greatly, is difficult to make the hoist engine miniaturization.
The present invention is exactly in order to address the above problem, and its purpose is, provides by the coil portion to the temperature rising principal element that becomes hoist engine to concentrate cooling, can make the hoist engine motor with annual coils for elevator of miniaturization more.
Summary of the invention
Motor with annual coils for elevator of the present invention comprises: have the housing that is blown into the cooling air entrance hole that cooling air uses from the outside; Be disposed at the stator in the housing, it has the yoke of ring-type and is separated with distance ground mutually from yoke towards radially outstanding a plurality of tooth portions be located at coil portion on the yoke between tooth portion; And the rotor that is oppositely arranged with stator, the cooling air entrance hole is in the face of the spatial configuration between each tooth portion, utilizes cooling air and makes the coil portion cooling.
Adopt motor with annual coils for elevator of the present invention, because the cooling air entrance hole in the face of the spatial configuration between each tooth portion, utilizes cooling air and makes the coil portion cooling, therefore, can concentrate the coil portion that becomes the principal element that the hoist engine temperature rises and cool off, can make hoist engine miniaturization more.
The simple declaration of accompanying drawing
Fig. 1 is the half sectional view of the hoist engine of expression example 1 of the present invention.
Fig. 2 is for seeing the key diagram of the motor with annual coils for elevator of Fig. 1 from the backplate side.
Fig. 3 is the half sectional view of the hoist engine of expression example 2 of the present invention.
Fig. 4 is for seeing the key diagram of the motor with annual coils for elevator of Fig. 3 from the backplate side.
Fig. 5 is the approximate three-dimensional map of the ventilation duct part of presentation graphs 4.
Fig. 6 is the half sectional view of the hoist engine of expression example 3 of the present invention.
Embodiment
With reference to the accompanying drawings, to making an explanation for implementing optimal morphology of the present invention.
Example 1
Fig. 1 is the half sectional view of the hoist engine of expression the invention process form 1.Among the figure, hoist engine has pedestal 1, backplate 2, rotary body 4, brake apparatus 5, rotor 12 and stator 6.
The upright backplate 2 that is provided with on pedestal 1.A side central portion of plate 2 is fixed with horizontal main shaft 7 overleaf.Peripheral part at main shaft 7 is provided with a plurality of bearings 8.Rotary body 4 rotates freely by bearing 8 and is being supported by main shaft 7.
The cylindric main shaft insertion section 3 that rotary body 4 has plectane portion 11, the cylindric sheave portion 9 of giving prominence to from backplate 2 sides of plectane portion 11 and gives prominence to from plectane portion 11 in the inside of sheave portion 9.These plectane portions 11, sheave portion 9 and main shaft insertion section 3 are formed on the rotary body 4.Again, sheave portion 9 and main shaft insertion section 3 are configured to coaxial.
Between sheave portion 9 and main shaft insertion section 3, be formed with endless groove 4a.Periphery in sheave portion 9 is provided with a plurality of pulley groove 9a that volume is hung a plurality of main ropes (not shown).Be provided with main shaft patchhole 3a in the inboard of main shaft insertion section 3.In main shaft patchhole 3a, insert main shaft 7 and bearing 8.
Circumference in plectane portion 11 is provided with flange shape braking parts 10.Be provided with braking surface 10a on the two sides of braking parts 10.Brake apparatus 5 has a pair of brake(-holder) block 5a of clamping braking parts 10.That is, each brake(-holder) block 5a is pushed to braking surface 10a when rotary body 4 brakings.Such as, can adopt electro-magnetic braking device as brake apparatus 5.In electro-magnetic braking device, utilize the elastic force of tripping spring that brake(-holder) block 5a is pushed into braking parts 10, the rotation of rotary body 4 is braked, make the electromagnet excitation simultaneously, brake(-holder) block 5a is left from braking surface 10a, but brake off.
At this, the housing 19 that the motor with annual coils for elevator of this example 1 has stator 6, rotor 12 and surrounds these members.Housing 19 has backplate 2 and rotary body 4.
On housing 19, be provided with and be blown into a plurality of the 1st, the 2nd cooling air entrance hole 13a, 13b that cooling air uses and a plurality of the 1st, the 2nd cooling air leadout hole 13c, the 13d that cooling air is exported to housing 19 outside usefulness from the outside of housing 19.1st, the 2nd cooling air entrance hole 13a, 13b are arranged on the backplate 2.1st, the 2nd cooling air leadout hole 13c, 13d are arranged in the plectane portion 11.Again, the 1st, the 2nd cooling air leadout hole 13c, 13d also can be described as the bottom that is arranged on endless groove 4a.1st, the 2nd cooling air entrance hole 13a, 13b and the 1st, the 2nd cooling air leadout hole 13c, 13d are configured facing to stator 6 respectively.
Fig. 2 is for seeing the key diagram of the motor with annual coils for elevator of Fig. 1 from backplate 2 sides.Among the figure, stator 6 has back yoke 14, a plurality of tooth portion 15 and a plurality of coil portion 16.Back yoke 14 and tooth portion 15 are integrally formed with the stator core of ring-type.That is back yoke 14 annulus that is stator cores.Tooth portion 15 upwards is being separated with the back yoke 14 courts radially outstanding part of compartment of terrain from stator core week mutually.
The back yoke 14 that tooth portion is 15 is provided with coil portion 16.Coil portion 16 forms by enamelled wire directly being wrapped on the yoke 14 of back.
At stator 6 radially, the length of tooth portion 15 is longer than the length of coil portion 16.Thus, between each tooth portion 15, be formed with the road 17 that promptly ventilates, space.Ventilation road 17 has the inboard ventilation road 17a of main shaft insertion section 3 sides and ventilation road, the outside 17b of sheave portion 9 sides.
The 1st cooling air entrance hole 13a and relative configuration of inboard ventilation road 17a.The 2nd cooling air entrance hole 13b and relative configuration of ventilation road, outside 17b.The 1st cooling air leadout hole 13c and relative configuration of inboard ventilation road 17a, the 2nd cooling air leadout hole 13d and relative configuration of ventilation road, outside 17b.In other words, between the 1st cooling air entrance hole 13a and the 1st cooling air leadout hole 13c, only dispose inboard ventilation road 17a.Between the 2nd cooling air entrance hole 13b and the 2nd cooling air leadout hole 13d, only dispose outside ventilation road 17b.
Below effect is described.When rotary body 4 rotations, electric current flows into coil portion 16, coil portion 16 heatings.At this moment, cooling air imports from the 1st, the 2nd cooling air entrance hole 13a, 13b, derives from the 1st, the 2nd cooling air leadout hole 13c, 13d by ventilation road 17a, 17b, at first makes coil portion 16 coolings thus.
Because this motor with annual coils for elevator is provided with cooling air entrance hole 13a, the 13b relative with the road 17 of ventilating, be provided with cooling air leadout hole 13c, 13d, therefore, derive from cooling air leadout hole 13c, 13d by ventilation road 17 from the cooling air that cooling air entrance hole 13a, 13b are blown into, cooling air can be concentrated thus and supply with coil portion 16.Like this, can make the coil portion 16 that becomes the temperature of hoist engine rising principal element concentrate cooling, can make the hoist engine miniaturization.
In addition, in housing 19, also can be provided with and force import air-supply arrangement that cooling air uses etc. at cooling air entrance hole 13a, 13b place.
Again, be provided with the 1st, the 2nd cooling air entrance hole 13a, 13b overleaf on the plate 2, in plectane portion 11, be provided with the 1st, the 2nd cooling air leadout hole 13c, 13d, but also can be in contrast, a plurality of cooling air entrance holes are set in plectane portion, a plurality of cooling air leadout holes are set on the plate overleaf.
Example 2
Fig. 3 is the half sectional view of the hoist engine of expression example 2 of the present invention.Among the figure, be provided with the 1st ventilation duct 20 and the 2nd ventilation duct 21 overleaf between plate 2 and the stator 6.Ventilation duct the 20, the 21st, loop pipe.Plate 2 is provided with and is blown into the cooling air entrance hole (not shown) that cooling air is used from the outside of backplate 2 overleaf.Ventilation duct 20,21 is connected with the cooling air entrance hole.The cooling air that is blown into from the cooling air entrance hole is guided by ventilation duct 20,21, between tooth portion 15.
Fig. 4 is for seeing the key diagram of the motor with annual coils for elevator of Fig. 3 from backplate 2 sides.When backplate 2 sides were seen motor with annual coils for elevator, the 1st ventilation duct 20 was configured in coil portion 16 and inboard with between the rotor 12a, and the 2nd ventilation duct 21 is configured between coil portion 16 and the outside usefulness rotor 12b.
On the 1st ventilation duct 20, be provided with a plurality of the 1st peristome 20a with being separated with distance on the length direction of the 1st ventilation duct 20 mutually.On the 2nd ventilation duct 21, be provided with a plurality of the 2nd peristome 21a with being separated with distance on the length direction of the 2nd ventilation duct 21 mutually.The 1st peristome 20a and nearly ground connection configuration relative with inboard ventilation road 17a.Again, the 1st peristome 20a is also relative with the 1st cooling air leadout hole 13c.The 2nd peristome 21a and nearly ground connection configuration relative with ventilation road, outside 17b.Again, the 2nd peristome 20b is also relative with the 2nd cooling air leadout hole 13d.Between the 1st peristome 20a and the 2nd cooling air leadout hole 13c, only dispose inboard ventilation road 17a, between the 2nd peristome 21a and the 2nd cooling air leadout hole 13d, only dispose outside ventilation road 17b.
Fig. 5 is the approximate three-dimensional map of ventilation duct 20 parts of presentation graphs 4.In this example, ventilation duct 20 is made of a plurality of unit tubes 23 that link mutually on the length direction.As the unit tube 23 of ventilation duct 20 parts, have across 1 tooth portion 15 and be adjacent to length between the tooth portion 15 of this tooth portion 15.Unit tube 23 is provided with 1 peristome 20a.And unit tube 23 has the connecting portion 24 that is connected with tooth portion 15.
In addition, the 2nd ventilation duct 21 also is to be made of the unit tube 23 identical with the 1st ventilation duct 20.
Can be set at single direction by the cooling air direction in the ventilation duct 20,21.As its establishing method, such as there being the forced draft fan of use to send into wind (exerting pressure) method etc. to ventilation duct from the cooling air entrance hole.Other structure is identical with the 1st example.
Because this motor with annual coils for elevator is by 20,21 pairs of cooling air channeling conducts of the 1st and the 2nd ventilation duct, between tooth portion 15, therefore the cooling air that is directed, can be concentrated cooling air and supply with coil portion 16 from the space that peristome 20a, 21a blow to 15 in tooth portion.Like this, can make the coil portion 16 of the principal element that becomes the rising of hoist engine temperature concentrate cooling more, can make the hoist engine miniaturization.
Again,, therefore compare, can reduce flow velocity to the cooling air of coil portion 16 supplies with example 1 because the space of 15 in peristome 20a, 21a and tooth portion is closely connect setting.The cooling effectiveness of coil portion 16 can be improved thus, hoist engine miniaturization more can be made.
And, by a plurality of unit tubes 23 are linked, constituted the 1st, the 2nd ventilation duct 20,21, when hoist engine assemble or ventilation duct 20,21 when keeping in repair, can further improve operation.
In example 2, the 1st, the 2nd ventilation duct 20,21 is fixed in the tooth portion 15, but the junction that fixed draught tube is used is not limited to tooth portion, such as also housing and back yoke etc.
Again, example 2 is to be provided with 1 peristome 20a or 21a on constituent parts pipe 23, but also a plurality of peristomes can be set on the constituent parts pipe.
In example 2, to the shape of separately ventilation duct 20,21 be with unit tube 23 be formed by connecting continuously and the form of the pipe of ring-type be illustrated, but the shape of ventilation duct is not limited to ring-type, such as also circular-arc.Again, also sternly stator circumferentially cut apart separately ventilation duct.In other words, cooling air can be by the ventilation duct of a plurality of and arbitrary shape, across between tooth portion channeling conduct.
Example 3
Fig. 6 is the half sectional view of the hoist engine of expression example 3 of the present invention.Among the figure, plate 2 is provided with cooling device 30 overleaf.Cooling device 30 and the 1st, the 2nd ventilation duct 20,21 contact.As cooling device 30, such as adopting the water-cooled cooler that makes cooling water circulation or making backplate 2 air outside cool off, be blown into the structure of the heat exchanger of cooled air and the combination of fan etc. to ventilation duct 20,21.Other structure is identical with example 2.
Because this motor with annual coils for elevator is by being cooled off the 1st, the 2nd ventilation duct 20,21 by cooling device 30, make from peristome 20a, the 21a of the 1st, the 2nd ventilation duct 20,21 and cool off to the cooling air of 15 supplies of tooth portion, therefore, on the effect basis of example 2, can further improve the cooling effectiveness of coil portion 16, can make hoist engine miniaturization more.
In example 3, cooling device 30 is that ventilation duct 20,21 coolings are next cools off the cooling air that is supplied in coil portion 16 by making, but cooling device 30 also can be supplied with the cooling air also colder than the air of outside to the space between tooth portion.
Claims (4)
1. a motor with annual coils for elevator is characterized in that, comprising:
Has the housing that is blown into the cooling air entrance hole that cooling air uses from the outside;
Be disposed at the stator in the described housing, it has the yoke of ring-type, is separated with distance ground from described yoke towards radially outstanding a plurality of tooth portions be located at coil portion on the described yoke between described tooth portion mutually; And
The rotor that is oppositely arranged with described stator,
Described cooling air entrance hole is facing to the spatial configuration between described each tooth portion, utilizes described cooling air and makes described coil portion cooling.
2. motor with annual coils for elevator as claimed in claim 1 is characterized in that, comprising:
Has the housing that is blown into the cooling air entrance hole that cooling air uses from the outside;
Be disposed at the stator in the described housing, it has the yoke of ring-type, is separated with distance ground from described yoke towards radially outstanding a plurality of tooth portions be located at coil portion on the described yoke between described tooth portion mutually;
The rotor that is oppositely arranged with described stator; And
Be connected, be arranged to the cooling air that is blown into from described cooling air entrance hole ventilation duct across channeling conduct between the described tooth portion with described cooling air entrance hole,
On described ventilation duct, be provided with and described each tooth portion between a plurality of peristomes of closely connecing of space, utilize described cooling air and make described coil portion cooling.
3. motor with annual coils for elevator as claimed in claim 2 is characterized in that, described ventilation duct is made of a plurality of unit tubes that link mutually on the length direction.
4. as each described motor with annual coils for elevator in claim 2 or 3, it is characterized in that, in order to cool off described cooling air, dispose the cooling device that makes described ventilation duct cooling.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004262612 | 2004-09-09 | ||
| JP2004262612A JP2006081305A (en) | 2004-09-09 | 2004-09-09 | Toroidally wound motor for elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1747285A true CN1747285A (en) | 2006-03-15 |
| CN100377475C CN100377475C (en) | 2008-03-26 |
Family
ID=36160304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100958093A Expired - Fee Related CN100377475C (en) | 2004-09-09 | 2004-11-15 | Motor with annual coils for elevator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006081305A (en) |
| CN (1) | CN100377475C (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838011A (en) * | 2011-06-22 | 2012-12-26 | 株式会社日立制作所 | Winch for elevator device |
| CN105307962A (en) * | 2013-05-28 | 2016-02-03 | 奥的斯电梯公司 | Elevator motor cooling assembly |
| CN106553950A (en) * | 2015-09-29 | 2017-04-05 | 株式会社日立制作所 | Traction machine and elevator |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104843566A (en) * | 2015-04-17 | 2015-08-19 | 曾海平 | Outer rotor plane motor traction machine |
| CN107218376A (en) * | 2017-08-01 | 2017-09-29 | 苏州天宇润电梯部件有限公司 | A kind of absorption type elevator pulley |
| WO2022168298A1 (en) * | 2021-02-08 | 2022-08-11 | 株式会社日立製作所 | Hoisting machine and elevator |
| WO2023175882A1 (en) * | 2022-03-18 | 2023-09-21 | 株式会社日立製作所 | Hoist and elevator |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0956120A (en) * | 1995-08-17 | 1997-02-25 | Toshiba Corp | Wind-up machine for elevator |
| JP2001258210A (en) * | 2000-03-13 | 2001-09-21 | Mitsubishi Electric Corp | Gearless hoist for elevator |
| JP2002101615A (en) * | 2000-09-22 | 2002-04-05 | Mitsubishi Electric Corp | Elevator winch |
-
2004
- 2004-09-09 JP JP2004262612A patent/JP2006081305A/en active Pending
- 2004-11-15 CN CNB2004100958093A patent/CN100377475C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102838011A (en) * | 2011-06-22 | 2012-12-26 | 株式会社日立制作所 | Winch for elevator device |
| CN102838011B (en) * | 2011-06-22 | 2016-01-06 | 株式会社日立制作所 | Winch for elevator device |
| CN105307962A (en) * | 2013-05-28 | 2016-02-03 | 奥的斯电梯公司 | Elevator motor cooling assembly |
| CN106553950A (en) * | 2015-09-29 | 2017-04-05 | 株式会社日立制作所 | Traction machine and elevator |
| CN106553950B (en) * | 2015-09-29 | 2019-07-09 | 株式会社日立制作所 | Traction machine and elevator |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006081305A (en) | 2006-03-23 |
| CN100377475C (en) | 2008-03-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080326 Termination date: 20101115 |