CN209844677U

CN209844677U - Capacitive motor structure

Info

Publication number: CN209844677U
Application number: CN201920937005.5U
Authority: CN
Inventors: 徐友波
Original assignee: Wenzhou Hanqiao Science And Technology Co Ltd
Current assignee: Wenzhou Hanqiao Science And Technology Co Ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2019-12-24
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses a capacitanc motor structure, including iron core housing, rotor and the winding of winding on iron core housing, the winding includes skeleton and wire winding, the skeleton includes skeleton and lower skeleton, it all is the cross with lower skeleton to go up the skeleton, go up the cross skeleton texture that has the iron core base accommodation space in dismantling to be connected to form between skeleton and the lower skeleton, this cross skeleton texture's frame arm is as wire winding portion, the wire winding constitutes four winding structures in wire winding portion, set up the through-hole that supplies the rotor to pass on cross skeleton texture's central point puts to be equipped with the support wall that is used for supporting the crossover wire of two adjacent windings on the pore wall of through-hole. The utility model discloses a capacitanc motor structure, through the setting of support wall, alright effectual supporting transition wire avoids appearing unsettled easy cracked problem that leads to.

Description

Capacitive motor structure

Technical Field

The utility model relates to a motor structure, more specifically the capacitive motor structure that says so relates to.

Background

The shaft power of the fan pump load is in direct proportion to the third power of the rotating speed, and the size of the fan pump load can be adjusted by adjusting the rotating speed of the motor. The speed regulation of the motor usually has two technical schemes of frequency conversion speed regulation and pole-changing speed regulation. The frequency conversion speed regulation method needs to be provided with a converter, and the comprehensive cost is higher than that of the pole-changing speed regulation method. The stator winding of the motor is divided into two main types of distributed type and centralized type. The ordinary variable-pole variable-speed asynchronous motor adopts distributed stator windings. The wire embedding work of the distributed stator winding is difficult and the labor cost is high. The centralized stator winding is formed by mounting a wound coil on a salient pole type stator core, is relatively simple in winding and mounting, and is generally used for a low-power shaded pole type single-phase alternating current asynchronous motor. The shaded pole type single-phase alternating current asynchronous motor usually has two rotating speed specifications of two poles and four poles. The efficiency of shaded-pole single-phase ac asynchronous motors is extremely low.

A small ac asynchronous motor for a household appliance represented by an electric fan generally requires a step speed change within a certain range, and an ac asynchronous motor having a stator winding with a center tap is generally used as an electric fan motor. The method has the advantages of low cost, low efficiency of the motor and adoption of the distributed stator winding for the stator winding.

The miniature motor is widely applied to the fields of household appliances and automatic control. The stator of the current miniature asynchronous motor is still in a shaded pole type structure, and the motor efficiency is very low. Therefore, 2017102957904 in the prior art provides a capacitor phase-shifting motor, which effectively improves efficiency by providing four-pole four-winding, but the four-pole four-winding is formed by providing a # -shaped iron core, winding wires around the iron core to form a cross-shaped winding structure, and then disposing a rotor at the center of the winding structure, so as to provide four magnetic fields with an angle of 90 degrees to the rotor, thereby improving efficiency of the motor, but the four-pole four-winding of this structure avoids direct contact between the winding and the iron core by providing four half auxiliary winding frames when the winding is wound on the iron core, and due to the provision of the half auxiliary winding frames, a gap is formed between two adjacent half auxiliary winding frames when the lead is wound on the half auxiliary winding frames, so can demonstrate unsettled setting when the transition wire between two windings passes through the gap, and current winding avoids whole bulky, and consequently the wire that uses generally all is thinner, like this at unsettled in-process that sets up, just appears because the cracked problem of wire that outside extrusion leads to very easily.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a can effectually avoid the unsettled easy cracked capacitanc motor structure of wire that leads to of transition wire between the winding.

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a capacitanc motor structure, includes iron core housing, rotor and the winding of winding on iron core housing, be equipped with the iron core base that is cross in the iron core housing, the rotatable setting of rotor is put at the central point of iron core base, the winding includes skeleton and wire winding, the skeleton includes skeleton and lower skeleton, it all is the cross with lower skeleton to go up the skeleton, go up the cross skeleton texture that has the iron core base accommodation space in can dismantling to connect to form between skeleton and the lower skeleton, this cross skeleton texture's frame arm is as wire winding portion, the wire winding constitutes four winding structures in wire winding portion, set up the through-hole that supplies the rotor to pass in cross skeleton texture's central point to be equipped with the support wall that is used for supporting the crossover wire of two adjacent windings on the pore wall of through-hole.

As a further improvement, the iron core shell includes the shell ring and connects the bridge arm, the iron core base sets up in the shell ring to four ends all with the rampart fixed connection of shell ring, it spanes on the shell ring to connect the bridge arm to both ends respectively relative fixed on the anchor ring of shell ring, the center fixedly connected with bearing of this connection bridge arm, the one end of rotor is fixed on the bearing to with be connected bridge arm rotatable coupling, the both ends of connecting the bridge arm all extend towards the outside of shell ring has the connection piece, connecting threaded hole has been seted up on the connection piece.

As the utility model discloses a further improvement, four fixed caulking grooves have been seted up on the interior rampart of shell ring, four fixed caulking groove evenly distributed on the interior rampart of shell ring, fixed caulking groove is for leading to the groove structure, and the cell wall indent of its relative both sides forms joint portion, the lateral wall of four ends of iron core base inwards caves in and forms the depressed part, and when the iron core base was fixed in the shell ring, the tip at four ends of iron core base was embedded into fixed caulking groove in, joint portion and depressed part are each other the gomphosis fixed.

As a further improvement of the utility model, the one end that the shell ring dorsad connected the bridge arm is equipped with supplementary bridge arm, the both ends difference relative of supplementary bridge arm is fixed on the anchor ring of shell ring to set up back to back with connecting the bridge arm, the center fixedly connected with bearing of supplementary bridge arm, the other end of the relative connection bridge arm of rotor is fixed on the bearing, with supplementary bridge arm rotatable coupling, the screw fixed connection through passing the shell ring at the both ends of connecting bridge arm and supplementary bridge arm.

As a further improvement, go up the skeleton and be equipped with the package edge of caving in for the border of the one end of skeleton down, the skeleton is equipped with the edge of inlaying to the expanding for the one end border of last skeleton down, when last skeleton and skeleton concatenation down, inlays in the edge is embedded into package edge to have the cross skeleton texture who holds iron core base accommodation space in the constitution.

As a further improvement, the support wall of lower skeleton has seted up the wiring groove on going up the border of skeleton one side dorsad, should support the wall and have seted up the wiring hole on being close to the position of last skeleton, through the mode that passes wiring hole and wiring groove with the wiring, will connect the wire outward and bind fixedly to the winding on.

As a further improvement, the support wall is in the shape of a hollow square prism, the upper and lower ends of the support wall are respectively connected with the wire posts in positions corresponding to the four corners, and the transition wires between two adjacent windings are laminated on the support wall and pass through the wire posts.

The beneficial effects of the utility model, through the setting of iron core shell and iron core base, alright effectual constitute a winding structure that is cross with the skeleton cooperation, and through the setting of last skeleton and lower skeleton, alright effectual being connected between skeleton and the iron core base of making things convenient for, and through the setting of support wall, alright effectual live with the transition wire between two windings, and then avoid among the prior art because the unsettled easy problem that appears breaking of receiving external collision that leads to of transition wire.

Drawings

Fig. 1 is an overall structural view of the capacitive motor structure of the present invention;

FIG. 2 is an overall structural view of the winding of FIG. 1;

fig. 3 is an overall structural view of the framework in fig. 2.

Detailed Description

The present invention will be described in further detail with reference to embodiments shown in the drawings.

Referring to fig. 1 to 3, the capacitive motor structure of the present embodiment includes an iron core housing 1, a rotor 2, and a winding 3 wound on the iron core housing 1, wherein a cross-shaped iron core base 4 is disposed in the iron core housing 1, the rotor 2 is rotatably disposed at a central position of the iron core base 4, the winding 3 includes a frame 31 and a winding 32, the frame 31 includes an upper frame 311 and a lower frame 312, the upper frame 311 and the lower frame 312 are both cross-shaped, the upper frame 311 and the lower frame 312 are detachably connected to form a cross-shaped frame structure having a receiving space for receiving the iron core base 4, a frame arm of the cross-shaped frame structure serves as a winding portion, the winding 32 is wound on the winding portion to form a four-winding structure, a through hole for the rotor 2 to pass through is disposed at the central position of the cross-shaped frame structure, and a support wall 5 for supporting a crossover line of two adjacent windings is disposed on a hole wall of the through hole, through the setting of last skeleton 311 and lower skeleton 312, alright simple effectual realization is connected to on the iron core base 4, and through the setting of supporting wall 5, then can effectually avoid among the prior art because the unsettled easy problem that receives the outside collision and appear the fracture of leading to of transition wire.

As a modified specific embodiment, the core housing 1 includes a housing ring 11 and a connecting arm 12, the core base 4 is disposed in the housing ring 11, and the four ends are all fixedly connected with the ring wall of the shell ring 11, the connecting bridge arm 12 spans the shell ring 11, and the two ends are respectively fixed on the ring surface of the shell ring 11 in an opposite way, the center of the connecting bridge arm 12 is fixedly connected with a bearing, one end of the rotor 2 is fixed on the bearing, so as to be rotatably connected with the connecting bridge arm 12, connecting pieces 121 are respectively extended from both ends of the connecting bridge arm 12 towards the outer side of the shell ring 11, connecting threaded holes are opened on the connecting pieces 121, the arrangement of the shell ring 11 and the connecting bridge arm 12 can effectively realize the connection and fixation of the rotor 2 and the winding 3, and through the setting of connection piece 121, also can be great convenient with iron core shell 1 fixed to external object.

As an improved specific embodiment, four fixing caulking grooves 111 are formed on the inner annular wall of the housing ring 11, the four fixing caulking grooves 111 are uniformly distributed on the inner annular wall of the housing ring 11, the fixing caulking grooves 111 are through groove structures, the groove walls on opposite sides of the fixing caulking grooves are recessed to form clamping portions 112, the side walls on four ends of the iron core base 4 are recessed to form recessed portions 41, when the iron core base 4 is fixed in the housing ring 11, the end portions on four ends of the iron core base 4 are embedded into the fixing caulking grooves 111, the clamping portions 112 and the recessed portions 41 are fixed in a mutual embedding manner, the iron core base 4 can be effectively fixed in the housing ring 11 by the way of mutual embedding and fixing between the recessed portions 41 and the clamping portions 112, and relative slippage is not easy to occur, wherein the recessed portions 41 and the clamping portions 112 in this embodiment are both arc-shaped, and glue can be filled therebetween for fixing, so can effectual increase contact surface between the two, further avoid producing the problem of relative slippage from top to bottom, increase the fastness of connection between the two.

As an improved specific embodiment, one end of the casing ring 11 facing away from the connecting bridge arm 12 is provided with an auxiliary bridge arm 13, two ends of the auxiliary bridge arm 13 are respectively and oppositely fixed on the ring surface of the casing ring 11 and are arranged opposite to the connecting bridge arm 12, a bearing is fixedly connected to the center of the auxiliary bridge arm 13, the other end of the rotor 2 facing the connecting bridge arm 12 is fixed on the bearing so as to be rotatably connected with the auxiliary bridge arm 13, two ends of the connecting bridge arm 12 and the auxiliary bridge arm 13 are fixedly connected through screws penetrating through the casing ring 11, and through the arrangement of the auxiliary bridge arm 13, the auxiliary bridge arm 13 can be matched with the connecting bridge arm 12 to realize the fixation of the rotor 2, and a symmetrical structure can be formed between the two ends to enhance the stability of the rotor 2 in the rotating process.

As an improved specific embodiment, the edge of the upper frame 311 opposite to one end of the lower frame 312 is provided with an inward-recessed wrapping edge 3111, the edge of the lower frame 312 opposite to one end of the upper frame 311 is provided with an outward-extending wrapping edge 3121, when the upper frame 311 is spliced with the lower frame 312, the wrapping edge 3121 is embedded into the wrapping edge 3111 to form a cross-shaped frame structure having a containing space for containing the core base 4, and by the arrangement of the wrapping edge 3111 and the wrapping edge 3121, when the upper frame 311 and the lower frame 312 are fixed on the core base 4 in a combined manner, a pre-fixing effect is realized by using a friction force between the upper frame 311 and the lower frame 312, so that the later winding wire 32 is wound on the frame 31, and a series of problems caused by looseness between the upper frame 311 and the lower frame 312 are avoided.

As an improved specific embodiment, the edge of the supporting wall 5 of the lower frame 312, which faces away from the upper frame 311, is provided with a wire binding groove 51, the supporting wall 5 is provided with a wire binding hole 52 at a position close to the upper frame 311, the external connecting wires are bound and fixed to the winding 3 by passing the wire binding through the wire binding hole 52 and the wire binding groove 51, during the use of the winding 3, the winding 32 on the winding 3 needs to be led out through a concentrated wire, and the connection between the concentrated wire and the winding 3 is realized through a wire winding 32, so that the prior art needs to fix a surplus part of the concentrated wire to the winding 3 to avoid the problem of easy breakage caused by pulling the connected wire winding 32, and thus the surplus part of the concentrated wire can be fixed to the winding 3 by adopting a wire binding manner through the arrangement of the wire binding hole 52 and the wire binding groove 51, and simple structure is very convenient, and wherein the wiring that uses in this embodiment is the wiring ware of plastics system, consequently can further conveniently be fixed to winding 3 with the surplus partial wiring ligature.

As an improved specific embodiment, the supporting wall 5 is in a hollow square prism shape, the wire passing posts 53 are fixedly connected to the positions of the upper end and the lower end of the supporting wall relative to the four corners, the transition wire between two adjacent windings is attached to the supporting wall 5 and passes around the wire passing posts 53, and by the arrangement of the wire passing posts 53, the transition wire between the two windings 3 can further conveniently pass through, and the problem that the transition wire is suspended and is easily extruded and broken by foreign objects is further avoided.

As a modified specific embodiment, the supporting wall 5 is recessed inwards relative to the position of the wire passing post 53 to form a supporting platform 54, wherein the transition wire bypassing the wire passing post 53 is attached to the supporting platform 54, and by the arrangement of the supporting platform 54, and the two transition wires are crossed up and down, the effect of one support can be further realized, and the up-and-down crossed arrangement between the two transition wires is realized, the length and the tension of the transition wire can be increased, so as to avoid the problem that the transition wire is loosened immediately after being elongated.

In conclusion, the capacitive motor structure of this embodiment, through the setting of support wall 5, alright effectual realization carries out a effect of supporting to the transition wire, avoids the unsettled easy problem of receiving outside extrusion and fracture that leads to of transition wire.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a capacitanc motor structure, includes iron core casing (1), rotor (2) and winding (3) on iron core casing (1), be equipped with iron core base (4) that are cross in iron core casing (1), the rotatable setting of rotor (2) is put its characterized in that on the central point of iron core base (4): winding (3) are including skeleton (31) and wire winding (32), skeleton (31) are including last skeleton (311) and lower skeleton (312), it all is the cross with lower skeleton (312) to go up skeleton (311), go up and can dismantle between skeleton (311) and lower skeleton (312) and be connected the cross skeleton texture that has the accommodation space of holding iron core base (4) in constituteing, this cross skeleton texture's frame arm is as wire winding portion, wire winding (32) winding constitutes four winding structures in wire winding portion, set up the through-hole that supplies rotor (2) to pass on cross skeleton texture's central point to be equipped with support wall (5) that are used for supporting the cross-over line of two adjacent windings on the pore wall of through-hole.

2. The capacitive motor structure of claim 1, wherein: the iron core shell (1) comprises a shell ring (11) and a connecting bridge arm (12), the iron core base (4) is arranged in the shell ring (11), four ends of the iron core base are fixedly connected with the ring wall of the shell ring (11), the connecting bridge arm (12) stretches across the shell ring (11), two ends of the connecting bridge arm are respectively fixed on the ring surface of the shell ring (11) in an opposite mode, a bearing is fixedly connected to the center of the connecting bridge arm (12), one end of the rotor (2) is fixed on the bearing and rotatably connected with the connecting bridge arm (12), connecting pieces (121) extend towards the outer side of the shell ring (11) from two ends of the connecting bridge arm (12), and connecting threaded holes are formed in the connecting pieces (121).

3. The capacitive motor structure of claim 2, wherein: seted up four fixed caulking grooves (111), four on the inner ring wall of shell ring (11) fixed caulking groove (111) evenly distributed on the inner ring wall of shell ring (11), fixed caulking groove (111) are for leading to the groove structure, and the cell wall of its relative both sides is interior to form joint portion (112), the lateral wall of four ends of iron core base (4) is inside sunken to form depressed part (41), and when iron core base (4) were fixed in shell ring (11), the tip of four ends of iron core base (4) was embedded into in fixed caulking groove (111), joint portion (112) and depressed part (41) gomphosis each other are fixed.

4. A capacitive motor structure according to claim 3, characterized in that: an auxiliary bridge arm (13) is arranged at one end, back to the connecting bridge arm (12), of the shell ring (11), two ends of the auxiliary bridge arm (13) are respectively and oppositely fixed on the ring surface of the shell ring (11) and are arranged opposite to the connecting bridge arm (12), a bearing is fixedly connected to the center of the auxiliary bridge arm (13), the other end, opposite to the connecting bridge arm (12), of the rotor (2) is fixed on the bearing and is rotatably connected with the auxiliary bridge arm (13), and two ends of the connecting bridge arm (12) and two ends of the auxiliary bridge arm (13) are fixedly connected through screws penetrating through the shell ring (11).

5. The capacitive motor structure according to any one of claims 1 to 4, characterized in that: go up skeleton (311) and be equipped with sunken package edge (3111) for the border of the one end of lower skeleton (312), lower skeleton (312) are equipped with embedding edge (3121) that outwards expand for the one end border of last skeleton (311), when last skeleton (311) and lower skeleton (312) splice, inlay in edge (3121) embedding package edge (3111) to have the cross skeleton texture who holds iron core base (4) accommodation space in the constitution.

6. The capacitive motor structure according to any one of claims 1 to 4, characterized in that: the wire binding groove (51) is formed in the edge, back to one side of the upper framework (311), of the supporting wall (5) of the lower framework (312), the wire binding hole (52) is formed in the position, close to the upper framework (311), of the supporting wall (5), and the external connecting wire is bound and fixed to the winding (3) in a mode that the wire binding passes through the wire binding hole (52) and the wire binding groove (51).

7. The capacitive motor structure according to any one of claims 1 to 4, wherein the supporting wall (5) is in a hollow square prism shape, the positions of the upper end and the lower end of the supporting wall relative to the four corners of the supporting wall are fixedly connected with wire passing columns (53), and the transition wire between two adjacent windings is attached to the supporting wall (5) and passes through the wire passing columns (53).

8. The capacitive motor structure of claim 7, wherein: the supporting wall (5) is inwards recessed relative to the position of the wire passing column (53) to form a supporting table (54), wherein the transition wires which bypass the wire passing column (53) are placed on the supporting table (54) in an attaching mode, and the two transition wires are crossed up and down.