ES1078042U - Slots with reduced permeance in the outer zone (Machine-translation by Google Translate, not legally binding) - Google Patents

Slots with reduced permeance in the outer zone (Machine-translation by Google Translate, not legally binding) Download PDF

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Publication number
ES1078042U
ES1078042U ES201200551U ES201200551U ES1078042U ES 1078042 U ES1078042 U ES 1078042U ES 201200551 U ES201200551 U ES 201200551U ES 201200551 U ES201200551 U ES 201200551U ES 1078042 U ES1078042 U ES 1078042U
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slots
machine
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ES1078042Y (en
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José Ignacio DEL HOYO FIGUERAS
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Abstract

Slots with reduced permeance in the outer area that being of the open slot type, is characterized by having the sides forming a non-zero angle with each other (they are not parallel) and opening both sides or one of them towards the existing outer space between the fixed and mobile part of the electric machine, which is usually air. (Machine-translation by Google Translate, not legally binding)

Description

RANURAS CON PERMEANCIA REDUCIDDA EN LA ZONA EXTERIOR SLOTS WITH REDUCED PERMANCE IN THE OUTSIDE AREA

OBJETIVO DE LA INVENCIÓN OBJECTIVE OF THE INVENTION

La presente invención, según se expresa en el enunciado de esta memoria descriptiva, se refiere a unas ranuras utilizadas en los circuitos magnéticos de las máquinas eléctricas no estáticas, las cuales han sido concebidas y realizadas para obtener mejores prestaciones respecto a las ya existentes. The present invention, as expressed in the statement of this specification, refers to slots used in the magnetic circuits of non-static electric machines, which have been conceived and realized to obtain better performance compared to those already existing.

Las máquinas eléctricas no estáticas están constituidas por un estator(normalmente exterior pero no exclusivamente) y un rotor (normalmente interior pero no exclusivamente), separadas ambas por el entrehierro o espacio de aire (u otro fluido) existente entre la parte estática y la móvil. Non-static electrical machines consist of a stator (normally exterior but not exclusively) and a rotor (normally interior but not exclusively), both separated by the air gap or air gap (or other fluid) between the static and the mobile part .

En ambas zonas, construidas habitualmente con material magnético, se punzonan o construyen ranuras de forma diversa donde van introducidos los conductores de cobre ( o aluminio). In both zones, usually constructed with magnetic material, grooves are punched or constructed in different ways where copper (or aluminum) conductors are introduced.

La forma de estas ranuras incide en el funcionamiento de la máquina, en sus características eléctricas, mecánicas, ruido y vibraciones. ANTECEDENTES DE LA INVENCION. Se conocen diversas formas geométricas de ranuras empleadas en máquinas eléctricas rotativas, cada una de ellas con sus características electromagnéticas. The shape of these grooves affects the operation of the machine, its electrical, mechanical, noise and vibration characteristics. BACKGROUND OF THE INVENTION Various geometric shapes of grooves used in rotating electric machines are known, each with its electromagnetic characteristics.

En tal sentido pueden encontrarse ranuras que tienen menos anchura en la zona próxima al entrehierro o ancho constante a lo largo de toda la ranura. La forma viene condicionada por el tipo de jaula de ardilla, fundida o con pletinas de cobre y de las características a obtener. In this sense, grooves that have less width can be found in the area near the air gap or constant width along the entire groove. The shape is conditioned by the type of squirrel cage, cast or with copper plates and the characteristics to be obtained.

En las ranuras abiertas o semiabiertas existentes, la zona abierta de la ranura próxima al entrehierro presentan los lados laterales paralelos entre si y al eje geométrico o de simetría de la misma. In the open or semi-open grooves, the open area of the groove near the air gap has the lateral sides parallel to each other and to the geometric or symmetry axis thereof.

DESCRIPCION DE LA INVENCION DESCRIPTION OF THE INVENTION

La forma de la zona de la ranura próxima al entrehierro presenta una geometría nueva, en base a la cual se consigue menor permeancia, se mejoran las prestaciones de la máquina, como por ejemplo, mejor factor de potencia, mejor rendimiento, etc. The shape of the groove area near the air gap has a new geometry, based on which less permeance is achieved, the performance of the machine is improved, such as, for example, better power factor, better performance, etc.

Para complementar la descripción que seguidamente se va a realizar y con objeto de ayudar a una mejor compresión de las características del invento, se To complement the description that is going to be carried out below and in order to help a better understanding of the characteristics of the invention,

acompaña a la presente memoria descriptiva de un juego de planos en base a cuyas figuras se comprenderán más fácilmente las innovaciones y ventajas del dispositivo objeto de la invención. accompanies the present specification of a set of plans based on whose figures the innovations and advantages of the device object of the invention will be more easily understood.

La característica diferencial de estas ranuras propuestas con las existentes son las zonas rectas inclinadas o curvas (ambas, simétricas o no) en la zona abierta de la ranura junto al entrehierro. Esta característica diferencial es posible adaptarla a cualquier forma de ranura. The differential feature of these slots proposed with the existing ones are the inclined or curved straight areas (both symmetrical or not) in the open area of the groove next to the air gap. This differential feature can be adapted to any form of groove.

Las características electromecánicas de las maquinas eléctricas son potencia, par, intensidad, factor de potencia, rendimiento para unas determinadas dimensiones físicas de la máquina. Con este nuevo diseño de las ranuras se mejoran los parámetros anteriores, resultando una máquina mas eficiente, incrementando sus prestaciones tales como rendimiento, par, factor de potencia, etc. The electromechanical characteristics of electric machines are power, torque, intensity, power factor, performance for certain physical dimensions of the machine. With this new design of the grooves the previous parameters are improved, resulting in a more efficient machine, increasing its performance such as performance, torque, power factor, etc.

La zona (4) es la parte exterior de la ranura abierta, la cual está orientada hacia el espacio existente entre la parte fija y móvil. La zona (5) puede tener cualquier forma. The zone (4) is the outer part of the open groove, which is oriented towards the space between the fixed and mobile part. The zone (5) can have any shape.

Al utilizar alguna de estas formas de ranuras (referidas a la zona diferencial) se reducen los costes de material y fabricación. BREVE DESCIPCION DE LOS DffiUJOS Using any of these forms of grooves (referred to the differential zone) reduces material and manufacturing costs. BRIEF DESCITION OF THE DffiUJOS

Figural.-Muestra una vista en alzado del conjunto de una máquina eléctrica rotativa formada por una parte exterior donde van alojadas las ranuras del inductor (1), una zona central llamada entrehierro (2) y una zona interior donde van alojadas las ranuras del inducido (3). Figural.- It shows an elevation view of the assembly of a rotating electric machine formed by an outer part where the inductor grooves (1) are housed, a central area called the air gap (2) and an interior area where the armature grooves are housed (3).

Figura 2. -Muestra una vista en alzado ampliado de una ranura rectangular con los laterales inclinados abriéndose hacia el exterior en la zona abierta Figura 3. -Muestra una vista en alzado ampliado de una ranura mixta con los laterales inclinados abriéndose hacia el exterior en la zona abierta Figura 4. -Muestra una vista en alzado ampliado de una ranura poligonal con los laterales inclinados abriéndose hacia el exterior en la zona abierta Figura 5. -Muestra una vista en alzado ampliado de una ranura rectangular con los laterales curvados hacia el exterior en la zona abierta Figura 6. -Muestra una vista en alzado ampliado de una ranura mixta con los laterales curvados hacia el exterior en la zona abierta Figura 7. -Muestra una vista en alzado ampliado de una ranura poligonal con Figure 2. - It shows an enlarged elevation view of a rectangular groove with the inclined sides opening outwards in the open area. Figure 3. - It shows an enlarged elevation view of a mixed groove with the inclined sides opening outwards in the open area Figure 4. - It shows an enlarged elevation view of a polygonal groove with the inclined sides opening outwards in the open area Figure 5. - It shows an enlarged elevation view of a rectangular groove with the sides curved outwards in the open area Figure 6. - It shows an enlarged elevation view of a mixed groove with the sides curved outwards in the open area Figure 7. - It shows an enlarged elevation view of a polygonal groove with

los laterales curvados hacia el exterior en la zona abierta DESCRIPCION DE UNA FORMA DE REALIZACION PREFERIDA A la vista de las figuras, se puede observar que las ranuras están formadas por dos zonas 4 y 5, acopladas entre sí, estando formada la zona 4 por la parte externa the sides curved outwards in the open area DESCRIPTION OF A PREFERRED EMBODIMENT In view of the figures, it can be seen that the grooves are formed by two zones 4 and 5, coupled together, the zone 4 being formed by the external part

5 de la ranura con los lados inclinados y/o curvados abriéndose hacia el entrehierro y la zona 5, formada por la parte interna de la ranura, que puede ser de una forma geométrica cualquiera. 5 of the groove with the sloping and / or curved sides opening towards the air gap and the zone 5, formed by the internal part of the groove, which can be of any geometric shape.

Los segmentos (trazo continuo) de separación entre ambas zonas pueden existir o no. Segments (continuous line) of separation between both zones may or may not exist.

10 En la ranura según fig.-4, los lados laterales (6) y (7) pueden quedar alineados con los laterales semejantes de la zona (5). En este caso, la separación entre las zonas (4) y (5) puede existir o no. 10 In the groove according to fig.-4, the lateral sides (6) and (7) can be aligned with the similar sides of the area (5). In this case, the separation between zones (4) and (5) may or may not exist.

Las ranuras están constituidas por dos zonas (4) y (5), unidas entre sí, y delimitadas por la línea de puntos en las figuras adjuntas (fig 2 hasta fig7) 15 pudiéndose utilizar en la parte móvil o fija de las máquinas eléctricas. The slots are constituted by two zones (4) and (5), joined together, and delimited by the dotted line in the attached figures (fig 2 to fig7) 15 and can be used in the mobile or fixed part of the electric machines.

Claims (1)

REIVINDICACIONES 1. RANURAS CON PERMEANCIA REDUCIDDA EN LA ZONA EXTERIOR 1. SLOTS WITH REDUCED PERMANENCE IN THE OUTSIDE AREA 5 que siendo del tipo de ranuras abiertas, se caracteriza por tener los laterales formando un ángulo distinto de cero entre si .(no son paralelos) y abriéndose ambos laterales o uno de ellos hacia el espacio exterior existente entre la parte fija y móvil de la máquina eléctrica, que habitualmente es aire. 5 which being of the type of open grooves, is characterized by having the sides forming a non-zero angle to each other (they are not parallel) and opening both sides or one of them towards the outer space between the fixed and mobile part of the electric machine, which is usually air.
ES201200551U 2012-06-05 2012-06-05 Slots with reduced permeance in the outside area Expired - Fee Related ES1078042Y (en)

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ES201200551U ES1078042Y (en) 2012-06-05 2012-06-05 Slots with reduced permeance in the outside area

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ES201200551U ES1078042Y (en) 2012-06-05 2012-06-05 Slots with reduced permeance in the outside area

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ES1078042U true ES1078042U (en) 2012-11-15
ES1078042Y ES1078042Y (en) 2013-02-11

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