CN211296369U - Insulating iron core module - Google Patents
Insulating iron core module Download PDFInfo
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- CN211296369U CN211296369U CN202020048473.XU CN202020048473U CN211296369U CN 211296369 U CN211296369 U CN 211296369U CN 202020048473 U CN202020048473 U CN 202020048473U CN 211296369 U CN211296369 U CN 211296369U
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Abstract
The utility model provides an insulating module unshakable in one's determination relates to the insulating field in motor core, and insulating module unshakable in one's determination includes: the iron core and the first insulating part and the second insulating part which are used for winding wires are arranged, the first insulating part and the second insulating part comprise a first insulating part and a second insulating part which are respectively buckled at two ends of the iron core, wherein the end part of the first insulating part and the end part of the second insulating part are clamped with the groove through a boss and tightly hold the iron core. Utilize above-mentioned structure, when having alleviated the wire winding operation that exists among the prior art, the wire winding card is gone into first insulating part and second insulating part overlap joint gap department and is leaded to the problem of electric leakage.
Description
Technical Field
The utility model relates to an insulating field in motor core, concretely relates to module unshakable in one's determination is insulated.
Background
The dc motor is a rotating electrical machine that can convert dc electrical energy into mechanical energy, and is widely used in electric traction due to its good speed regulation performance. Dc motors are classified according to the presence or absence of a brush: brushed dc motors and brushless dc motors. The brushless dc motor is a common dc motor in which a stator and a rotor are interchanged. The rotor generates air gap flux for the permanent magnet: the stator is an armature and is composed of multi-phase windings. The structure of the brushless DC motor stator is the same as that of a common synchronous motor or an induction motor, a multi-phase winding (three-phase, four-phase and five-phase are unequal) is embedded in an iron core, can be connected into a star shape or a triangle shape, and is respectively connected with each power tube of an inverter so as to carry out reasonable phase change. The rotor mostly adopts rare earth materials with high coercivity and high remanence, such as samarium cobalt or neodymium iron boron, and can be divided into a surface type magnetic pole, an embedded type magnetic pole and a ring-shaped magnetic pole due to different positions of magnetic materials in the magnetic poles. Since the motor body is a permanent magnet motor, the brushless dc motor is also conventionally called a permanent magnet brushless dc motor.
Brushless dc motors are classified into two types, concentrated windings and distributed windings. Most of the concentrated winding brushless direct current motors adopt a probe type rotary winding machine to perform rotary winding. To avoid direct contact of the windings to the stator core, the windings are often wound on an insulating assembly. With the development of the motor iron core technology, building block iron cores, straight iron cores and condensed iron cores with high material utilization rate appear. In order to adapt these cores, the upper and lower insulating elements are no longer in the form of an integral ring, but rather are formed by separate insulating elements.
The separated insulation component comprises a first insulation part and a second insulation part, wherein the first insulation part and the second insulation part are sleeved on the iron core, and the end of the first insulator overlaps the outside of the end of the second insulator or the end of the second insulator overlaps the outside of the end of the first insulator, with the structure, the lap joint of the end parts of the first insulating part and the second insulating part is easy to generate gaps during winding, when the winding slot fullness rate is higher, can make the wire winding card go into the lap joint gap department of first insulating part and second insulating part (the tip overlap joint of this first insulating part and second insulating part is similar to the mode of arranging of tile or fish scale, when the wire winding is reverse winding, be equivalent to and advance in the direction of opposition scale or tile, the wire winding is naturally easy to be gone into the lap joint gap department of the tip of first insulating part and second insulating part of card), can lose the protection direct contact iron core of first insulating part and second insulating part and take place the electric leakage accident easily after the winding gets into this position.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an insulating iron core module to when alleviating the wire winding operation that exists among the prior art, the wire winding card is gone into first insulator and second insulator lap joint gap department and is leaded to the problem of electric leakage.
According to the utility model discloses, an insulating iron core module is provided, include: the winding device comprises an iron core, a first insulating part and a second insulating part, wherein the first insulating part and the second insulating part are used for winding and are respectively buckled at two ends of the iron core.
The end part of the first insulating part and the end part of the second insulating part are clamped with the groove through a boss and tightly hold the iron core.
Furthermore, the first insulating part is provided with two first insulating arms which are respectively arranged at two sides of the iron core; the second insulating part is provided with two second insulating arms which are arranged on two sides of the iron core corresponding to the first insulating arms.
A boss is arranged at the end part of the first insulating arm, and a groove is arranged at the end part of the second insulating arm; or, the end part of the first insulating arm is provided with a groove, and the end part of the second insulating arm is provided with a boss.
Compared with the prior art, the utility model provides an insulating iron core module has the technical advantage to be:
the utility model provides an insulating iron core module of structure, include: the iron core, the first insulating part and the second insulating part are used for winding and are respectively buckled at two ends of the iron core, wherein the end part of the first insulating part and the end part of the second insulating part are clamped with the groove through the bosses and tightly hold the iron core. In this structure, first insulating part passes through boss and recess joint with the second insulating part, when wire winding operation, because groove structure's stability, its cell wall can not the perk, and boss and recess mortise and tenon cooperation, stable in structure, difficult pine takes off for the wire winding can not block into the junction of first insulating part and second insulating part, consequently, when wire winding operation has been alleviated to above-mentioned structure, the wire winding card is gone into first insulating arm and second insulating arm overlap joint gap department and is leaded to the problem of electric leakage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an insulated core module according to an embodiment of the present invention;
fig. 2 is a schematic diagram of an explosion structure of an insulated core module according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a first insulating member and a second insulating member using clockwise winding according to an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a rim core module according to an embodiment of the present invention, wherein clockwise winding is adopted;
fig. 5 is a schematic cross-sectional partial view of a rim core module according to an embodiment of the present invention, in which clockwise winding is adopted;
fig. 6 is a schematic structural view of a first insulating member and a second insulating member using counterclockwise winding according to an embodiment of the present invention;
fig. 7 is a schematic structural view of the first insulating member and the second insulating member using the groove and the bump in cooperation according to an embodiment of the present invention.
Icon: 110 — a first insulator; 111-a first insulating arm; 1111-a first recess; 112-a first U-shaped groove; 113-a first shoe; 120-a second insulator; 121-a second insulating arm; 1211 — a second recess; 122-second U-shaped groove; 123-a second shoe; 200-iron core; 210-a bump; 220-concave; 300-grooves; 400-boss.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The present invention will be described in further detail below with reference to specific embodiments and with reference to the attached drawings.
The specific structure is shown in fig. 1-7.
An insulated core module according to the present embodiment, as shown in fig. 1 to 7, includes: the winding structure comprises an iron core 200, and a first insulating piece 110 and a second insulating piece 120 which are used for winding and respectively buckled at two ends of the iron core 200, wherein the first insulating piece 110 is provided with two first insulating arms 111 which are respectively arranged at two sides of the iron core 200; the second insulating member 120 has two second insulating arms 121 disposed on both sides of the core 200 corresponding to the first insulating arms 111.
The end of the first insulating arm 111 located at one side of the core 200 is disposed outside the end of the second insulating arm 121 at the side; the end of the first insulating arm 111 positioned at the other side of the core 200 is positioned inside the end of the second insulating arm 121.
In the above structure, the first insulating member 110 and the second insulating member 120 are respectively fastened to two ends of the iron core 200, and are used for insulating the iron core 200 to prevent the risk of leakage caused by lap joint of the winding and the iron core 200; first insulating arm 111 and second insulating arm 121 all set up in the both sides of unshakable in one's determination 200 for hugging closely unshakable in one's determination 200, guarantee that first insulating part 110 and second insulating part 120 all are connected closely with unshakable in one's determination 200, thereby guaranteed that first insulating part 110 and second insulating part 120 are connected closely, reliably with unshakable in one's determination 200, prevent that first insulating part 110 and second insulating part 120 from droing, guarantee insulating effect.
Specifically, according to the above structure, a pair of first insulating arm 111 and second insulating arm 121 corresponding to each other are provided on both sides of the core 200. The windings of the first insulating member 110 and the second insulating member 120 outside the core 200 are divided into two directions, and when the winding is performed counterclockwise, referring mainly to fig. 6, the end of the first insulating arm 111 positioned on the left side of the core 200 is disposed outside the end of the second insulating arm 121 also positioned on the left side of the core 200; the end of the first insulating arm 111 located on the right side of the core 200 is disposed inside the end of the second insulating arm 121 also located on the right side of the core 200.
In the process of counterclockwise winding, the winding is wound from the first insulating arm 111 to the second insulating arm 121 on the left side of the iron core 200, and the winding cannot be clamped into a gap between the first insulating arm 111 and the second insulating arm 121 on the left side of the iron core 200 because the tail end of the first insulating arm 111 is positioned on the outer side of the tail end of the second insulating arm 121; on the right side of the iron core 200, the winding is wound from the second insulating arm 121 to the first insulating arm 111, and the winding cannot be clamped into the gap between the second insulating arm 121 on the right side of the iron core 200 and the first insulating arm 111 because the end of the second insulating arm 121 is positioned outside the end of the first insulating arm 111.
When winding clockwise, referring mainly to fig. 3-5, the end of the first insulating arm 111 located on the right side of the core 200 is disposed outside the end of the second insulating arm 121 also located on the right side of the core 200; the end of the first insulating arm 111 located on the left side of the core 200 is disposed inside the end of the second insulating arm 121 also located on the left side of the core 200. In the process of clockwise winding, the winding is wound from the first insulating arm 111 to the second insulating arm 121 on the right side of the iron core 200, and the winding cannot be clamped into a gap between the first insulating arm and the second insulating arm on the right side of the iron core because the tail end of the first insulating arm 111 is positioned on the outer side of the tail end of the second insulating arm 121; on the left side of the iron core 200, the winding is wound from the second insulating arm 121 to the first insulating arm 111, and since the end of the second insulating arm 121 is positioned outside the end of the first insulating arm 111, the winding cannot be clamped into the gap where the second insulating arm 121 on the left side of the iron core 200 is connected with the first insulating arm 111. Therefore, the above structure alleviates the problem of leakage caused by the winding wire being jammed into the lap gap between the first insulating member 110 and the second insulating member 120 during the winding operation.
In an alternative technical solution of this embodiment, referring mainly to fig. 3 and 6, a first recess 1111 is disposed on a side surface of an end of the first insulating arm 111 on one side of the iron core 200 facing the iron core 200, and a second recess 1211 is disposed on a side surface of the second insulating arm 121 on the side of the iron core 200 facing away from the iron core.
The end of the first insulating arm 111 on the other side of the core 200 is provided with a first recess 1111 on the side facing away from the core 200, and the second insulating arm 121 on the other side of the core 200 is provided with a second recess 1211 on the side facing the core 200.
Specifically, according to the above structure, a pair of first insulating arm 111 and second insulating arm 121 corresponding to each other are provided on both sides of the core 200. The windings of the first insulating member 110 and the second insulating member 120 outside the iron core 200 are divided into two directions, and when the winding is performed counterclockwise, referring mainly to fig. 6, a first recess 1111 is disposed at an end of the first insulating arm 111 located at the left side of the iron core 200 toward a side surface of the iron core 200, and a second recess 1211 is disposed at a side surface of the second insulating arm 121 located at the left side of the iron core 200 away from the iron core 200; a first concave portion 1111 is arranged on the side surface of the end portion of the first insulating arm 111 positioned on the right side of the iron core 200, which is far away from the iron core 200, and a second concave portion 1211 is arranged on the side surface of the second insulating arm 121 positioned on the right side of the iron core 200, which is far towards the iron core 200; first recess 1111 and second recess 1211 overlap each other.
The structure ensures that the winding cannot be clamped into a gap between the first insulating part 110 and the second insulating part 120 when the winding is conducted anticlockwise, and meanwhile, the structure that the first concave part 1111 and the second concave part 1211 are in lap joint fit is adopted, so that the gap at the joint of the first insulating part 110 and the second insulating part 120 is further reduced, and the winding is smoother and more stable on the first insulating part 110 and the second insulating part 120.
When clockwise winding is performed, referring mainly to fig. 3-5, a first recess 1111 is disposed at an end of the first insulating arm 111 located at the right side of the iron core 200 and facing a side surface of the iron core 200, and a second recess 1211 is disposed at a side surface of the second insulating arm 121 located at the right side of the iron core 200 and facing away from the iron core 200; a first concave portion 1111 is arranged on the side surface of the end portion of the first insulating arm 111 positioned on the left side of the iron core 200, which is far away from the iron core 200, and a second concave portion 1211 is arranged on the side surface of the second insulating arm 121 positioned on the left side of the iron core 200, which is far towards the iron core 200; first recess 1111 and second recess 1211 overlap each other. The beneficial effects are the same as above, guaranteed that when clockwise the wire winding, the wire winding can not block into the gap department of first insulating part 110 with second insulating part 120 for simultaneously, make the wire winding more level and more smooth on first insulating part 110 and second insulating part 120, stable.
In an optional technical solution of this embodiment, the first insulating member 110 includes a first base 113, and the two first insulating arms 111 and the first base 113 enclose a first U-shaped slot 112 for fastening the iron core 200.
Specifically, two first insulating arms 111 all are connected with first collet 113, and first U type groove 112 is enclosed by first collet 113 and two first insulating arms 111 and is established, and first U type groove 112 is worn to locate in first U type groove 112 in the first half of 200 unshakable in one's determination, and holds tightly through two first insulating arms 111 unshakable in one's determination 200, and this structure guarantees that first insulating part 110 is connected closely, reliably with unshakable in one's determination 200, prevents that first insulating part 110 from droing from unshakable in one's determination 200, influences normal work, takes place the electric leakage accident even.
In an alternative technical solution of this embodiment, referring mainly to fig. 3 and 6, the second insulating member 120 includes a second base support 123, and a second U-shaped groove 122 for fastening the iron core 200 is defined by the two second insulating arms 121 and the second base support 123.
Specifically, two insulating arms 121 all are connected with second collet 123, and second U type groove 122 is enclosed by second collet 123 and two insulating arms 121 and establishes, and the first half of 200 unshakable in one's determination wears to locate in the second U type groove, and holds tightly through two insulating arms 121 unshakable in one's determination 200, and this structure guarantees that second insulating part 120 is connected closely, reliably with unshakable in one's determination 200, prevents that second insulating part 120 from droing from unshakable in one's determination 200, influences normal work, takes place the electric leakage accident even.
In an alternative solution of this embodiment, referring mainly to fig. 3 and 6, the first insulating member 110 and the second insulating member 120 have winding slots on sides facing away from the core 200.
The winding slot is used for winding, specifically, flanges extending in a direction away from the iron core 200 are arranged on two sides of each of the first insulating arm 111 and the second insulating arm 121, the flanges and the first insulating arm 111 and the second insulating arm 121 respectively form the winding slot, and the winding slot effectively prevents winding from being separated from the first insulating piece 110 and the second insulating piece 120 and prevents the winding from being lapped and leaked with the iron core 200.
In an optional technical solution of this embodiment, the first insulating member 110 and the second insulating member 120 are both injection molded by using insulating plastic.
Preferably, ABS plastics (terpolymer of three monomers of Acrylonitrile (Acrylonitrile), Butadiene (Butadiene) and styrene (Butadiene)) can be adopted for injection molding, and the plastics have good toughness, rigidity and hardness and also have good heat resistance and corrosion resistance; meanwhile, the styrene enables the dielectric property to be good, and the insulating property of the styrene is guaranteed.
In an alternative solution of this embodiment, mainly referring to fig. 2, in the circumferential direction of the rotor rotation, one side of the core 200 has a protrusion 210, and the other side has a recess 220; and two adjacent insulating core modules can be clamped by the protrusion 210 and the recess 220.
In the structure, in the direct current motor, the rotor is arranged in the insulating iron core module, the rotor rotates under the action of an electromagnetic field of the insulating iron core module, and the protrusions 210 and the recesses 220 on the iron core 200 are utilized in the circumferential direction of the rotation of the rotor, so that the insulating iron core module is formed by matching and clamping the protrusions 210 and the recesses 220 between a plurality of groups of insulating iron core modules, and an electromagnetic environment is provided for the rotation of the rotor. As the stator of the direct current motor, the single insulating iron core module is small in size, free of redundant shielding and convenient to wind, meanwhile, the single iron core 200 is small in size and convenient to process, and a whole steel plate is not required to be processed to waste materials, so that the split insulating iron core 200 module is convenient to wind, and materials for manufacturing the iron core 200 are saved. Meanwhile, the bulges 210 and the depressions 220 are connected, so that the assembly is simple and the efficiency is high.
The present embodiment also provides another insulated core module, mainly referring to fig. 7, including: the iron core 200, and the first insulating member 110 and the second insulating member 120 for winding and respectively buckled at two ends of the iron core 200, wherein an end of the first insulating member 110 and an end of the second insulating member 120 are clamped with the groove 300 through the boss 400 and tightly clasp the iron core 200.
In this structure, first insulating part 110 and second insulating part 120 pass through boss 400 and recess 300 joint, when wire winding operation, because the stability of recess 300 structure, its cell wall can not the perk, and boss 400 and recess 300 tenon fourth of the twelve earthly branches cooperation, stable in structure, difficult pine takes off, make the wire winding can not block into the junction of first insulating part 110 and second insulating part 120, consequently, when wire winding operation has been alleviated to above-mentioned structure, wire winding card goes into first insulating arm 111 and second insulating arm 121 lap joint gap department and leads to the problem of electric leakage.
In an alternative technical solution of this embodiment, referring mainly to fig. 7, the first insulating member 110 has two first insulating arms 111 respectively disposed at two sides of the iron core 200; the second insulating member 120 has two second insulating arms 121 disposed on both sides of the core 200 corresponding to the first insulating arms 111;
the end of the first insulating arm 111 is provided with a boss 400, and the end of the second insulating arm 121 is provided with a groove 300; alternatively, the end of the first insulating arm 111 is provided with a groove 300, and the end of the second insulating arm 121 is provided with a boss 400.
Specifically, the first insulating part 110 and the second insulating part 120 are both buckled on the iron core 200, the end of the first insulating arm 111 is provided with a boss 400, the end of the second insulating arm 121 is provided with a groove 300, and the boss 400 is in clamping fit with the groove 300 to realize the connection between the first insulating part 110 and the second insulating part 120. Or, the end portions of the first insulating arm 111 and the second insulating arm 121 are provided with a groove 300, the end portion of the second insulating arm 121 is provided with a boss 400, and the boss 400 is in clamping fit with the groove 300 to realize connection between the first insulating part 110 and the second insulating part 120.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (2)
1. An insulated core module comprising: an iron core (200), and a first insulating member (110) and a second insulating member (120) which are used for winding and respectively buckled at two ends of the iron core (200),
the end part of the first insulating part (110) and the end part of the second insulating part (120) are clamped with the groove (300) through a boss (400) and tightly hold the iron core (200).
2. An insulated core module according to claim 1, characterized in that said first insulator (110) has two first insulator arms (111) arranged on either side of said core (200); the second insulating piece (120) is provided with two second insulating arms (121) which are arranged on two sides of the iron core (200) corresponding to the first insulating arms (111);
a boss (400) is arranged at the end part of the first insulating arm (111), and a groove (300) is arranged at the end part of the second insulating arm (121); or, the end part of the first insulating arm (111) is provided with a groove (300), and the end part of the second insulating arm (121) is provided with a boss (400).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020048473.XU CN211296369U (en) | 2019-06-24 | 2019-06-24 | Insulating iron core module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920959375.9U CN210201576U (en) | 2019-06-24 | 2019-06-24 | Insulating iron core module |
| CN202020048473.XU CN211296369U (en) | 2019-06-24 | 2019-06-24 | Insulating iron core module |
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| CN201920959375.9U Division CN210201576U (en) | 2019-06-24 | 2019-06-24 | Insulating iron core module |
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| CN201920959375.9U Active CN210201576U (en) | 2019-06-24 | 2019-06-24 | Insulating iron core module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115378177A (en) * | 2022-08-06 | 2022-11-22 | 超同步股份有限公司 | Small three-phase asynchronous motor and electromagnetic design method thereof |
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2019
- 2019-06-24 CN CN202020048473.XU patent/CN211296369U/en active Active
- 2019-06-24 CN CN201920959375.9U patent/CN210201576U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115378177A (en) * | 2022-08-06 | 2022-11-22 | 超同步股份有限公司 | Small three-phase asynchronous motor and electromagnetic design method thereof |
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