CN209823622U - Slotted hole net-shaped secondary linear induction motor for stereo garage - Google Patents
Slotted hole net-shaped secondary linear induction motor for stereo garage Download PDFInfo
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- CN209823622U CN209823622U CN201920881475.4U CN201920881475U CN209823622U CN 209823622 U CN209823622 U CN 209823622U CN 201920881475 U CN201920881475 U CN 201920881475U CN 209823622 U CN209823622 U CN 209823622U
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Abstract
The utility model relates to a netted secondary linear induction motor of slot hole for stereo garage, including elementary and secondary of mutually supporting, elementary including by primary and around arranging the armature winding on primary in, the secondary includes the magnetic conduction board and sets up the current conducting plate on the magnetic conduction board surface set up the slot hole that evenly arranges of two sets of length direction along the current conducting plate in the current conducting plate, separate each other between two sets of adjacent slot holes, do not communicate, and stagger each other. The utility model discloses simple structure can obviously reduce horizontal tip effect and secondary loss again to improve motor thrust performance.
Description
Technical Field
The utility model belongs to the technical field of the application of linear induction motor, in particular to netted secondary linear induction motor of slot hole for stereo garage.
Background
The linear induction motor has the outstanding advantages of simple structure, convenient maintenance, direct drive (without intermediate connecting devices such as intermediate chains, gear belts and the like), low manufacturing cost, small vibration, low noise, good safety performance and the like due to the structural particularity, and the application of the linear induction motor is more and more extensive. The working principle of the linear induction motor is as follows: when the primary three-phase winding is connected with a three-phase alternating current power supply, a traveling wave magnetic field is generated in the air gap, the secondary is cut by the traveling wave magnetic field, electromotive force is induced and current is generated, the current and the magnetic field in the air gap act to generate electromagnetic thrust, and if the primary is fixed, the secondary moves linearly under the action of the thrust; otherwise, the primary stage moves linearly.
Linear induction motors have also been used in stereo garages. The stereo garage needs a linear motor with high thrust density and low cost, so how to improve the thrust density of the linear induction motor has become a research hotspot. The secondary is used as a key part of the linear motor, and one of the main functions is to generate induction current and interact with the primary travelling wave magnetic field to generate thrust. The material and structure of the secondary therefore have a certain influence on the properties of the electric machine. In order to further improve the performance of the motor, many scholars at home and abroad also develop many researches in this respect, for example, the secondary back iron is changed into a laminated structure, slots with different shapes are formed in the secondary iron core, and the like, so that the side end effect is reduced, and the secondary eddy current loss is reduced. However, these structures are only directed to the secondary back iron part, and have great limitations in terms of processing cost and long-distance operation.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a netted secondary linear induction motor of slot hole for stereo garage is provided, structural breaking through in the fluting of the secondary current conducting plate of linear induction motor, its simple structure can obviously reduce horizontal tip effect and secondary loss again to improve motor thrust performance.
The utility model discloses a realize like this, provide a netted secondary linear induction motor of slot hole for stereo garage, including mutually supporting elementary and secondary, elementary include by elementary iron core and around arranging the armature winding on elementary iron core in, the secondary includes the magnetic conduction board and sets up the current conducting plate on the magnetic conduction board surface set up two sets of slot holes of evenly arranging along the length direction of current conducting plate in the current conducting plate, separate each other between two sets of adjacent slot holes, do not communicate, and stagger each other.
Further, the ratio of the distance of the mutual offset of the two adjacent groups of long holes to the distance between the two adjacent long holes in the groups is 0.15 ~ 0.35.35.
Further, the ratio of the width of the long hole in each group to the pitch between two adjacent long holes is 0.38 ~ 0.40.40.
Further, the distance between the outer edges of the two groups of long holes on the outermost side in the width direction of the current-conducting plate is larger than the thickness of the corresponding primary iron core.
Further, the long hole is a kidney-shaped hole or a rectangular hole.
Furthermore, the conductive layer is made of copper or aluminum material.
Further, the primary iron core is formed by laminating silicon steel sheets.
Further, the armature winding adopts a double-layer lap winding.
Compared with the prior art, the utility model discloses a stereo garage has following outstanding advantage with netted secondary linear induction motor of slot hole:
(1) through set up the dislocation slot hole on secondary current conducting plate, restrict induced-current's route to reduce the horizontal tip effect of secondary, obviously improve the thrust performance of motor, the event the utility model discloses a linear induction motor is applicable to the stereo garage of long distance transportation.
(2) Compare in squirrel cage secondary structure, the utility model discloses simple structure, it is with low costsly to make processing, and the thrust is undulant little and normal force is little, uses stereo garage's long distance transportation.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of a linear induction motor according to the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of the apparatus of FIG. 1;
fig. 3 is a schematic structural diagram of a second embodiment of fig. 1.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Referring to fig. 1 and 2, the long-hole meshed secondary linear induction motor for a stereo garage of the present invention includes a primary stage 1 and a secondary stage 2, which are matched with each other.
The primary 1 includes a primary core 11 and an armature winding 12 wound around the primary core 11. In order to reduce iron loss, the primary iron core 11 is formed by laminating silicon steel sheets, and the armature winding 12 adopts a double-layer laminated winding.
The secondary 2 comprises a magnetic conduction plate 22 and an electric conduction plate 21 arranged on the surface of the magnetic conduction plate 22. The magnet guide plate 22 is flat, and the secondary conductive plate 21 is flat and laid on the surface of the magnet guide plate 22. The magnet conductive plate 22 has a solid-iron structure and is made of a low-carbon steel plate having a good magnetic conductivity. The secondary conductive plate 21 is made of a copper or aluminum material having good electrical conductivity. In the embodiment, the copper is selected for manufacturing, and the secondary conductivity is good.
At least two groups of long holes A which are uniformly distributed along the length direction of the current-conducting plate 21 are arranged in the current-conducting plate 21, and the two adjacent groups of long holes A are mutually spaced, not communicated and staggered. The longitudinal component of the secondary current is reduced, so that the loss is reduced, and meanwhile, the transverse component of the current is increased, so that the transverse side end effect of the motor is obviously reduced, and the thrust is increased.
The conductive plate 21 includes a conductive bar 211, a conductive end bar 212, and a middle bar 213. The conductive bar 211 is disposed between each adjacent two sets of the long holes a, the conductive end bar 212 is disposed between the long hole a located at the outer side and the outer edge of the conductive plate 21, and the middle bar 213 is disposed between the adjacent two sets of the long holes a. The conductive bars 211, the conductive end bars 212 and the intermediate bars 213 are conductively connected to each other.
The ratio of the distance d of the mutual staggering of the two adjacent groups of the long holes A to the distance between the two adjacent long holes A in the groups is 0.15 ~ 0.35.35, the ratio of the width of the long holes A in each group to the distance between the two adjacent long holes A is 0.38 ~ 0.40.40, the distance between the outer edges of the two outermost groups of the long holes A in the width direction of the conductive plate 21 is larger than the thickness of the corresponding primary iron core 11, and the long holes A are kidney-shaped holes or rectangular holes.
In the present embodiment, the long hole a is a kidney-shaped hole. For optimum motor performance, the ratio of the number of slots on the secondary 2 side to the number of slots on the primary 1 side is chosen to be 40/48. The ratio of the staggered distance d between the two adjacent groups of the long holes A to the hole distance between the two adjacent long holes A in each group is 0.389, and the ratio of the width of the long hole A in each group to the hole distance between the two adjacent long holes A is 0.222.
When the linear induction motor is used for a stereo garage, the primary level 1 is arranged on a stereo garage moving platform, and the conductive plate 21 of the secondary level 2 is laid in the stereo garage along a track; when the armature winding 12 is energized with three-phase alternating current, a magnetic field is generated, and the primary of the linear induction motor is driven to move linearly along the rail, so that the vehicle is pushed to move. The thrust is theoretically increased by at least 10% compared with the thrust of the traditional composite secondary linear motor.
Example 2
This embodiment is different from the previous embodiment in that: the long hole A is a rectangular hole; the ratio of the staggered distance d between the two adjacent groups of the long holes A to the hole distance between the two adjacent long holes A in each group is 0.400, and the ratio of the width of the long hole A in each group to the hole distance between the two adjacent long holes A is 0.150. The other structures are the same as those of embodiment 1, and are not described again. When the embodiment is applied to a stereo garage, the thrust of the stereo garage is theoretically increased by at least 10% compared with the thrust of a traditional linear motor with a composite secondary.
Example 3
This embodiment is different from the previous embodiment in that: the long hole A is a rectangular hole; the ratio of the staggered distance d between the two adjacent groups of the long holes A to the hole distance between the two adjacent long holes A in each group is 0.380, and the ratio of the width of the long hole A in each group to the hole distance between the two adjacent long holes A is 0.350. The other structures are the same as those of embodiment 1, and are not described again. When the embodiment is applied to a stereo garage, the thrust of the stereo garage is theoretically increased by at least 10% compared with the thrust of a traditional linear motor with a composite secondary.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a netted secondary linear induction motor of slot hole for stereo garage, is including mutually supporting elementary and secondary, elementary including by primary and around arranging the armature winding on primary in, secondary includes magnetic conduction board and sets up the current conducting plate on the magnetic conduction board surface, its characterized in that set up the slot hole that evenly arranges of two sets of length direction along the current conducting plate in the current conducting plate, mutual interval, do not communicate between two sets of adjacent slot holes, and stagger each other.
2. A slotted hole meshed secondary linear induction motor for a stereo garage as claimed in claim 1, wherein the ratio of the distance of the adjacent two groups of the slotted holes staggered with each other to the distance between the adjacent two slotted holes in the group is 0.15 ~ 0.35.35.
3. The slotted net secondary linear induction motor for a stereo garage of claim 1, wherein the ratio of the width of said slots in each set to the pitch between two adjacent slots is 0.38 ~ 0.40.40.
4. The slotted hole meshed secondary linear induction motor for the stereo garage of claim 1, wherein the distance between the outer edges of the two outermost groups of the slotted holes in the width direction of the conductive plate is greater than the thickness of the corresponding primary iron core.
5. A long hole meshed secondary linear induction motor for a stereo garage of claim 1, wherein the long holes are kidney-shaped holes or rectangular holes.
6. A slotted mesh secondary linear induction motor for a stereo garage as claimed in claim 1, wherein the conductive plate is made of copper or aluminum.
7. The long hole meshed secondary linear induction motor for the stereo garage of claim 1, wherein the primary iron core is laminated by silicon steel sheets.
8. A slotted hole net-shaped secondary linear induction motor for a stereo garage as claimed in claim 1, wherein the armature winding adopts a double-layer lap winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881475.4U CN209823622U (en) | 2019-06-12 | 2019-06-12 | Slotted hole net-shaped secondary linear induction motor for stereo garage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920881475.4U CN209823622U (en) | 2019-06-12 | 2019-06-12 | Slotted hole net-shaped secondary linear induction motor for stereo garage |
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| CN209823622U true CN209823622U (en) | 2019-12-20 |
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| CN201920881475.4U Active CN209823622U (en) | 2019-06-12 | 2019-06-12 | Slotted hole net-shaped secondary linear induction motor for stereo garage |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112883A (en) * | 2019-06-12 | 2019-08-09 | 杭州新峰恒富科技有限公司 | A kind of netted secondary line inductance electromotor of stereo garage long hole |
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2019
- 2019-06-12 CN CN201920881475.4U patent/CN209823622U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110112883A (en) * | 2019-06-12 | 2019-08-09 | 杭州新峰恒富科技有限公司 | A kind of netted secondary line inductance electromotor of stereo garage long hole |
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