CN204013154U - A kind of permagnetic synchronous motor and iron core thereof - Google Patents
A kind of permagnetic synchronous motor and iron core thereof Download PDFInfo
- Publication number
- CN204013154U CN204013154U CN201420418501.7U CN201420418501U CN204013154U CN 204013154 U CN204013154 U CN 204013154U CN 201420418501 U CN201420418501 U CN 201420418501U CN 204013154 U CN204013154 U CN 204013154U
- Authority
- CN
- China
- Prior art keywords
- iron core
- coil
- sealing
- pump housing
- rotor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model discloses a kind of permagnetic synchronous motor and iron core thereof of pump housing integral type.A kind of permagnetic synchronous motor of pump housing integral type comprises: stator module, there is the coil being wound on coil rack and be assemblied in the iron core on coil, iron core takes the shape of the letter U, there are two longitudinal sections of paralleling and make two traversing sections that longitudinally one end of section is connected, two longitudinally the other end of section be respectively equipped with polar arc portion, each polar arc portion has inner concave arc surface; Rotor assembly; Coil sealing, sealing is wound in the coil on coil rack; Pump housing portion, has rotor cylindrical shell and iron core sealing taking iron core as the basic arrangement rotor assembly forming by injection moulding, and iron core sealing has makes the inner concave arc surface of iron core and the cambered surface separator of rotor chamber isolation; Offer at least one groove along inner concave arc surface, groove is for embedding the root of cambered surface separator.The utility model is sealed in iron core and coil in injection moulded containers, is ensureing, under the prerequisite of product electromagnetic performance, to have solved seepy question.
Description
Technical field
The utility model relates to draining pump field, relates in particular to a kind of permagnetic synchronous motor and iron core thereof of the pump housing integral type that is applied to washing machine, dish washing-machine water-draining pump.
Background technology
Chinese utility model patent 201320745113.5 discloses a kind of draining pump of AC permanent magnet synchronous motor of U-shaped iron core.But this draining pump is in process of the test, owing to there is no protective materials isolation between iron core and rotor, thereby the water that causes entering rotor chamber infiltrates iron core iron core got rusty, or water can be seeped into coil by iron core coil is burnt out because of short circuit; And the water that enters rotor chamber also can leak into draining pump outside.Such seepy question is perplexing manufacturer always.
AC permanent-magnet draining pump of the prior art, its structure is that coil good coiling, iron core are formed to one through injection moulding and the pump housing, the pump body structure of this integral type has well solved the technical problem of the vibrations noise in the draining pump course of work, but the effect that the seepy question of draining pump solves is not so good.
For example, a kind of AC permanent-magnet draining pump structure of the prior art: there is the coil and the iron core that assemble, and the pump housing forming around the profile integrated injection molding of the described coil assembling and iron core, the pump housing that injection moulding forms has the rotor chamber for accommodating rotor assembly, and make the polar arc portion of iron core and rotor drum jointly form rotor chamber, on the one hand, this pump housing of injection moulding has avoided iron core, with coil, relative rocking do not occur, on the other hand, due to the inner concave arc surface of iron core and rotor drum are formed to rotor chamber inner surface jointly, thereby make the magnetic air gap between p-m rotor and iron core very little, the electromagnetic efficiency of product is improved.But tool, there is following shortcoming: when after the long-time use of draining pump, can wear and tear for the sealing ring that prevents rotor chamber water inlet, draining pump is in the time of work, and the sealing ring of water meeting experience wear enters into rotor chamber, after water enters into rotor chamber, can infiltrate in iron core through the inner concave arc surface face of exposed iron core in rotor chamber, cause iron core to get rusty, along with the aggravation of getting rusty, have the risk of stuck rotor; In addition, the plastic cement of the remaining surface beyond the inner concave arc surface of iron core seal bad, the water that enters rotor chamber can leak by the gap between the lamination of iron core, or can leak by the gap between iron core and plastic cement, and then infiltrates coil and cause coil to burn out.
For fear of because of the above-mentioned problem that coil burns out or iron core gets rusty of leaking and causing, in prior art, take, in rotor cylindrical shell, stainless steel cylinder is set inner concave arc surface and the p-m rotor of isolation iron core.Although this stainless steel cylinder can contact with iron core to the water in rotor chamber by entry deterrence, manufacturing process complexity, cost is high, and greatly reduces electromagnetic efficiency.
Summary of the invention
The purpose of this utility model is, overcome the problem that above-mentioned prior art exists, a kind of permagnetic synchronous motor and iron core thereof of pump housing integral type are provided, not only ensure product electromagnetic performance, and solve because of the bleed problem of iron core of water inlet in rotor chamber, avoid iron core to get rusty, for the seepage that prevents rotor chamber provides two-layer protection to draining pump outside.
According to the first object of the present utility model, a kind of iron core of the permagnetic synchronous motor for pump housing integral type is provided, take the shape of the letter U, comprising: two longitudinal sections of being parallel to each other; Traversing section, is connected one end of two longitudinal sections; Two polar arc portions, lay respectively at two longitudinally other ends of section, each polar arc portion has indent polar arc, wherein offers at least one groove along indent polar arc, groove is for embedding the root of cambered surface separator, and cambered surface separator forms and seal indent polar arc in the time that injection moulding forms the pump housing.
Wherein, the end of polar arc portion is provided with the first location notch that makes iron core and the mutual centering of coil in the time of the injection moulding pump housing.
Wherein, longitudinally one end of section is provided with the second location notch that makes iron core and the mutual centering of coil in the time of the injection moulding pump housing.
According to another object of the present utility model, a kind of permagnetic synchronous motor of pump housing integral type is provided, comprise: stator module, there is the coil being wound on coil rack and be assemblied in the iron core on coil, iron core takes the shape of the letter U, there are two longitudinal sections of being parallel to each other and make two traversing sections that longitudinally one end of section is connected, two longitudinally the other end of section be respectively equipped with polar arc portion, each polar arc portion has inner concave arc surface; Rotor assembly, has the permanent magnet rotor of rotating for drives impeller; Coil sealing, sealing is wound in the coil on coil rack; Pump housing portion, has rotor cylindrical shell and iron core sealing taking iron core as the basic arrangement rotor assembly forming by injection moulding, and wherein, iron core sealing has makes the polar arc portion of iron core and the cambered surface separator of rotor chamber isolation; Offer at least one groove along inner concave arc surface, groove is for being embedded in the root of the cambered surface separator forming when injection moulding forms rotor cylindrical shell and iron core sealing.
Particularly, coil sealing and pump housing portion are injection molded successively, or coil sealing and pump housing portion once injection molded.
Particularly, cambered surface separator and the rotor cylindrical shell of iron core sealing are integral, form continuous rotor chamber.
Particularly, cambered surface separator has root and is embedded in groove, to cambered surface separator is fastened on inner concave arc surface.In the time of injection moulding pump housing portion, by making injected plastics material flow into groove, the root in the embedding groove of formation cambered surface separator.
Particularly, the thickness of cambered surface separator thinnest part is 0.2-0.75mm.
In addition, the end of the polar arc portion of iron core is provided with the first location notch that makes iron core and the mutual centering of coil in the time of the injection moulding pump housing.
In addition, longitudinally one end of section is provided with the second location notch that makes iron core and the mutual centering of coil in the time of the injection moulding pump housing.
The beneficial effects of the utility model embody in the following areas:
1) iron core of the present utility model and coil form one by injection moulding, improve space utilization efficiency, have improved the heat dispersion of product, and have reduced vibrating noise.
2) the utility model passes through by thin plastic cement as cambered surface separator, make polar arc portion and the rotor chamber isolation of iron core, the thickness of cambered surface separator thinnest part can be thinned to 0.2mm, not only stop the water infiltration iron core in rotor chamber and stop and leak to coil by core lamination stack, avoiding iron core to get rusty burns out with coil, can between iron core and rotor, realize less air gap again, greatly improve motor performance.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model permagnetic synchronous motor;
Fig. 2 is the front view of the utility model permagnetic synchronous motor;
Fig. 3 is the right view shown in Fig. 2 (without rotor assembly and sealing cap);
Fig. 4 is the left view shown in Fig. 2 (without rotor assembly and sealing cap);
Fig. 5 a is that the utility model embodiment 1 is wound on coil on the coil rack schematic diagram after injection moulding sealing;
Fig. 5 b is that embodiment 1 is arranged on the schematic diagram of iron core after injection moulding sealing in the coil after injection moulding;
Fig. 6 is the cutaway view along A-A line in Fig. 2 of embodiment 1;
Fig. 7 is the I portion enlarged drawing in Fig. 6;
Fig. 8 is the cutaway view (without rotor assembly) along B-B line in Fig. 1 of the utility model embodiment 1;
Fig. 9 is the cutaway view along A-A line in Fig. 2 of the utility model embodiment 2;
Figure 10 is the cutaway view (without rotor assembly) along B-B line in Fig. 1 of the utility model embodiment 2;
Figure 11 is the reeded structural representation of the utility model iron core tool;
Figure 12 and Figure 13 are the assembling schematic diagrames of the utility model location hole and sealing cap.
Description of reference numerals: 11-coil sealing; 12-iron core sealing; 121-cambered surface separator; 1210-root; All the other sealings of 122-; 122a, 122b-the first location hole; 124a, 124b-the second location hole; 123a, 123b-the 3rd location hole; 125-the 4th location hole; 1-pump housing portion; 13-rotor cylindrical shell; 2-iron core; Longitudinal section of 21-; 21a, 21b-the second location notch; 22-traversing section; 23-polar arc portion; 231-inner concave arc surface; 2310-groove; 23a, 23b-the first location notch; 3-coil; 4-coil rack; 5-rotor assembly; 50-rotor chamber; 61a, 61b-the first sealing cap; 62a, 62b-the second sealing cap; 63a, 63b-the 3rd sealing cap; 64-the 4th sealing cap.
Embodiment
As shown in Fig. 1,2,6 and 9, permagnetic synchronous motor of the present utility model, comprising: rotor assembly 5, has the permanent magnet rotor of rotating for drives impeller; Stator module, has the coil 3 being wound on coil rack 4 and is assemblied in the iron core 2 on coil 3; Around the profile injection moulding of iron core 2 and the good coil 3 of winding and the integral type pump housing forming.
Wherein, the integral type pump housing of the present utility model is by taking coil be assemblied in iron core on coil and carry out injection moulding formation as skeleton or basis.In the time of injection moulding, injected plastics material is the coil 3 on coil rack 4 and sealing together with iron core 2 in being assemblied in coil, and it is exposed that patching of only coil being connected with external circuit held, and makes iron core 2 and coil 3 form integrative-structure by injection moulding, minimizing vibrating noise; Particularly, in utilizing mold injection sealing iron core 2 and coil 3, form rotor cylindrical shell 13 taking iron core as skeleton injection moulding, and form isolation thin layer in the polar arc portion of iron core, make the rotor chamber isolation of iron core and rotor inner barrel by this isolation thin layer.
The utility model form in the both arms polar arc portion inner side of iron core 2 with inner concave arc surface 231 approach for settling the rotor chamber 50 of rotor assembly 5, alternating floor thickness isolation thin layer as thin as a wafer only between the inner concave arc surface 231 of polar arc portion and rotor chamber 50, it is cambered surface separator 121, for realizing less air gap, the thickness range of the utility model cambered surface separator thinnest part can be chosen between 0.2～0.75mm, as Fig. 6, shown in 7, the thickness of cambered surface separator 121 thinnest parts is only 0.5mm, iron core 2 forms isolation by cambered surface separator 121 and rotor chamber 50, like this, the water that enters rotor chamber just can not penetrate into iron core and coil.
The integral type pump housing of the present utility model can obtain by the method for the method of single injection-molded or secondary injection molding.The structure of the integral type pump housing making by single injection-molded or secondary injection molding is identical, and Shooting Technique process and the injected plastics material using can be different.Respectively the integral type pump housing of single injection-molded and secondary injection molding is introduced below by two embodiment.
Embodiment 1
The present embodiment obtains the integral type pump housing by the method for quadric injection mould.
As shown in Fig. 2,5a, 5b and 6, the integral type pump housing comprises: coil sealing 11, for sealing the coil 3 being wound on coil rack 4; Taking iron core as skeleton or basic injection moulding form pump housing portion 1.Wherein, pump housing portion 1 comprises: rotor cylindrical shell 13, and inside has the rotor chamber of settling rotor assembly; Seal the iron core sealing 12 of iron core, there is the cambered surface separator 121 of the inner concave arc surface 231 of laminating iron core 2.While forming pump housing portion 1, cambered surface separator 121 and rotor cylindrical shell 13 are integral, make the continuous rotor chamber 50 of the common formation in surface of rotor cylindrical shell 13 inner surfaces and cambered surface separator 121.
This embodiment is in the time being made into one the formula pump housing, and coil sealing 11 is injection molded successively with pump housing portion 1, and concrete injection moulding process is as follows:
First, put into mould and carry out injection process being for the first time wound on coil 3 on coil rack 4, through after injection process for the first time, form the coil sealing 11 of encapsulated coil 3, as shown in Figure 5 a, this coil sealing 11 has formed the airtight container of encapsulated coil 3 together with coil rack, as shown in Figure 6.
Then,, in the coil 3 at plastic packaging as shown in Figure 5 a in coil sealing 11, fit on iron core 2 is put into the coil by coil both seals 3 mould and is carried out injection process for the second time together with iron core 2.Injection process for the second time, form pump housing portion 1 taking the coil 3 that assembles and iron core 2 as basic injection moulding, pump housing portion 1 comprises that inside has the rotor cylindrical shell 13 of rotor chamber and the iron core sealing 12 of sealing iron core 2, the 11 process injection mouldings of coil sealing and rotor cylindrical shell 13 and iron core sealing 12 are structure as a whole, as shown in Figure 5 b.
While forming the integral type pump housing by quadric injection mould, preferred, coil sealing 11 adopts respectively different plastic materials to make from pump housing portion 1.For example, because coil sealing directly contacts with coil, the fire-protection rating of having relatively high expectations, and BMC good heat conductivity, and the PP of cost ratio fire-protection rating is cheap, but plasticity is poor, therefore coil sealing 11 can adopt the BMC material that fire-protection rating is high, and pump housing portion 1 adopts the general PP material that plasticity is high.Certainly, coil sealing 11 and pump housing portion 1 also can adopt identical plastic material to make.
Describe the concrete structure of the present embodiment in detail below in conjunction with accompanying drawing.
As shown in figure 11, iron core 2 takes the shape of the letter U, have two longitudinally 21, two of sections longitudinally section 21 be parallel to each other and be connected by traversing section 22; Lay respectively at the two polar arc portions 23 of two longitudinal sections of one end, each polar arc portion 23 has inner concave arc surface 231.
Iron core sealing 12 makes between coil rack 4 and iron core 2, isolate and iron core 2 is sealed, and as shown in Fig. 2,6 and 7, iron core sealing 12 comprises: the cambered surface separator 121 of the inner concave arc surface 231 of laminating iron core 2; For sealing all the other the surperficial sealings 122 beyond the inner concave arc surface of iron core, make isolation between coil rack 4 and iron core 2, as shown in Figure 6, gapped between the airtight container of iron core 2 and coil 3, this gap is injection molding material and fills in the time that injection moulding for the second time forms iron core sealing 12, like this, cambered surface separator 121 and be filled in iron core and coil sealing between injected plastics material provide two-layer protection to draining pump outside for the seepage that prevents rotor chamber.Wherein, injection moulding forms when pump housing portion 1, the continuous rotor chamber 50 that the inner surface of cambered surface separator 121 and the rotor cylindrical shell 13 that is connected with cambered surface separator 121 is formed for settling rotor assembly jointly.
Because the iron core sealing 12 and the rotor cylindrical shell 13 that form pump housing portion are that an injection moulding forms, the cambered surface separator 121 that forms iron core sealing 12 is connected with rotor cylindrical shell 13 and does not have seam in its junction, therefore form continuous rotor chamber inner surface, as shown in Figure 8, between rotor chamber 50 and iron core 2, isolate the jointless plastic cement of one deck continuous whole, this plastic cement can entry deterrence rotor chamber 50 water penetrate into iron core 2 and coil 3, can stop draining pump to leak by iron core.
As Fig. 6, shown in 7, in order to make the inner concave arc surface 231 of polar arc portion of iron core at utmost approach the rotor chamber 50 of rotor cylindrical shell 13 inside, make the magnetic air gap between iron core 2 and permanent magnet rotor reach less, to obtain higher electromagnetic efficiency, the utility model is arranged on cambered surface separator 121 thickness between inner concave arc surface 231 and rotor chamber 50 as thin as a wafer, because the inner concave arc surface 231 of iron core has the arc surface of two sections of different radiis, be a standard circular arc and require the rotor chamber forming when injection moulding, therefore form the plastic cement thickness difference of the cambered surface separator of sealing inner concave arc surface 231, the thickness range of the cambered surface separator that the utility model injection moulding forms is between 0.5～0.65mm, the thickness that is cambered surface separator 121 thinnest parts is only 0.5mm, the thickness in thickness is only also 0.65mm.
As shown in Fig. 6 to 8, due to the very thin thickness of cambered surface separator 121, fit in inner concave arc surface in order to ensure this thin layer to there is enough intensity, offer groove 2310 along the inner concave arc surface of iron core, in the time carrying out injection moulding with formation cambered surface separator 121, injected plastics material is flowed in the groove 2310 of offering along the inner concave arc surface of iron core, form the root 1210 being extended by cambered surface separator 121, root 1210 closes with groove 2310 phase scarves, to cambered surface separator 121 can be fixed on inner concave arc surface 231 reliably.
The present embodiment is along offering multiple grooves 2310 on the inner concave arc surface 231 of iron core 2, in the time of injection moulding, fusing plastics will flow in groove 2310, cooling rear formation from cambered surface separator 121 to each groove 2310 be embedded in and with the close-fitting root 1210 of groove.By the root 1210 embedding in groove 2310, cambered surface separator 121 is held it is fastened on inner concave arc surface 231.
Preferably, for by holding better cambered surface separator 121 with the chimeric root 1210 of groove 2310, groove 2310 is designed to reducing groove, has the feature that young inner chamber is large, cross sectional shape can be circular, also can be polygon.In the present embodiment, on the inner concave arc surface 231 of two polar arc portions of iron core 2, be symmetrical arranged the groove 2310 of multiple axial perforations, the tension uniform that cambered surface separator 121 is subject to.
Be injection-moulded in for the second time taking iron core as skeleton or basic formation while having the pump housing portion of rotor cylindrical shell, first the imploded arcs portion preheating to iron core, makes plastic cement from wider gap to thicker Clearance Flow, easier so that plastic cement flows.
While being assembled in coil windings due to iron core 2 and between coil rack 4, there is fit-up gap, therefore, in the time that reality is used pump housing plastic package die to manufacture the integral type pump housing, coil sealing exposes with mould and directly contacts location, iron core is fully located, avoid due to various external force makes coil and iron core can not align center, make the gap length between coil and iron core even, and then it is even to make to be cast in plastic cement thin and thick between coil and iron core.Like this, avoided the prolongation along with service time, the water that enters into rotor chamber can leak by the plastic cement of thin location, is seeped into iron core even in coil, causes damaging draining pump.
Therefore, the present embodiment, in the time of sealing iron core, by using mould keeper at three-dimensional, iron core to be positioned, thereby makes iron core and the coil align center that plastic packaging is good, makes the plastic cement thin and thick between coil rack 4 and iron core 2 even.
In injection moulding process, locate iron core 2 with mould keeper, on the iron core sealing 12 that therefore injection moulding obtains, have the location hole for settling mould keeper, the shape of location hole is consistent with the shape of mould keeper.
Concrete, as shown in Fig. 3,4 and 6, the present embodiment is formed with three groups of location holes, and every group of location hole all has two location holes, and two location holes in every group of location hole are symmetricly set on the both sides of the center line after iron core and coil pair.Below with reference to coordinate direction as shown in Figure 1, how the mould keeper of three groups of location holes of detailed description formation is realized iron core is located in three directions of x, y, z, and the direction of establishing arrow indication in figure is positive direction.Wherein, mould keeper comprises the first keeper, the second keeper, the 3rd keeper and the 4th keeper.
As shown in Fig. 4 and 6, first group of location hole comprises: be symmetrically formed two the first location hole 122a, 122b at the angle end of two polar arc portions of iron core, wherein, a first location hole 122a surrounds three faces of angle end of a polar arc portion of iron core, and first keeper that forms a first location hole 122a when injection moulding contacts with three faces of the angle end of a polar arc portion and applies x forward, y forward, the reverse active force of z to these three faces respectively; And another first location hole 122b surrounds three faces of angle end of another polar arc portion of iron core, three faces that form another first keeper of another first location hole 122b and the angle end of another polar arc portion when injection moulding contact and apply x forward, y is reverse, z is reverse active force to these three faces respectively.
For firm position, as shown in Fig. 4 and 6, the end of the polar arc portion of iron core 2 is provided with location notch, this location notch comprises: near two the first location notch 23a, the 23b of angle end that are symmetricly set on two polar arc portions of iron core, a first location notch 23a engages with first keeper that forms a first location hole 122a, and another first location notch 23b engages with another first keeper that forms another first location hole 122b.
Second group of location hole comprises: be formed on two the second location hole 124a, 124b of one end external angle of two longitudinal sections of iron core, corresponding, one end external angle of two longitudinal sections of iron core 2 has two the second location notch 21a, 21b.
As shown in Fig. 4 and 6, the second location notch 21a, 21b are the re-entrant angle with inner concave arc surface.Wherein, a corresponding second location hole 124a of the second location notch 21a, second keeper that is positioned over a second location notch 21a place when injection moulding forms a second location hole 124a, second keeper by a second location notch 21a to iron core apply x oppositely, y forward, the reverse active force of z; Corresponding another the second location hole 124b of another second location notch 21b, when injection moulding, another second keeper is positioned over another the second location notch 21b place and forms another second location hole 124b, and another second keeper applies the active force that x is reverse, y is reverse, z is reverse to iron core by another second location notch 21b.
As shown in Fig. 3 and 6, the 3rd group of location hole comprises: two the 3rd location hole 123a, 123b being positioned at iron core both sides, wherein, when injection moulding, form the 3rd keeper of a 3rd location hole 123a, in the time of injection moulding, apply the active force of y forward, z forward by a sidepiece of iron core to iron core; When injection moulding, form another the 3rd keeper of another the 3rd location hole 123b, another sidepiece by iron core in the time of injection moulding to iron core apply y oppositely, the active force of z forward.
In addition, as shown in Figure 4, the present embodiment also forms the 4th location hole 125 in the middle of the traversing section of iron core, and the 4th keeper that forms the 4th location hole 125 when injection moulding can apply the reverse active force of x to iron core.
To sum up, by forming the 3rd keeper of the first keeper of the first location hole, the second keeper that forms the second location hole, formation the 3rd location hole and forming the acting in conjunction of the 4th keeper of the 4th location hole, realize the accurate location of iron core, thereby make the plastic cement thickness thin and thick of the iron core sealing 12 that the present embodiment makes even, sealing firmly.
As shown in Figures 12 and 13, on iron core sealing 12, be also provided with positioning cap 61a, 61b, 62a, 62b, 63a, 63b, 64 for sealing each location hole, positioning cap, by being ultrasonically bonded on the location hole corresponding with it, is realized the sealing to iron core sealing 12.In two the first location hole 122a, 122b, settle respectively the first sealing cap 61a, 61b, in two the second location hole 124a, 124b, settle respectively the second sealing cap 62a, 62b, in two the 3rd location hole 123a, 123b, settle respectively the 3rd sealing cap 63a, 63b, the interior arrangement of the 4th location hole 125 the 4th sealing cap 64.
Embodiment 2
This embodiment obtains the integral type pump housing by the method for an injection moulding.
This embodiment in the time being made into one the formula pump housing, once injection molded coil sealing 11 and there is iron core sealing 12 and the pump housing portion 1 of rotor cylindrical shell 13, concrete injection moulding process is as follows:
First, coil 3 is wound on coil rack, iron core 2 is assembled on the coil 3 that coiling is good; Then, the iron core assembling is put into mould together with coil, carry out injection process one time, after an injection process, form the coil sealing 11 of encapsulated coil and the iron core sealing 12 of sealing iron core, and form taking iron core 2 as skeleton or the rotor cylindrical shell 13 of basic injection moulding formation.Wherein coil rack coordinates the location of realizing coil with the thimble of mould, as Chinese invention patent 200710143209.3.
As shown in Fig. 2,9 and 10, the coil sealing 11, iron core sealing 12 and the rotor cylindrical shell 13 that obtain by an injection moulding are structure as a whole.
As shown in Figure 9, gapped between the good coil 4 of iron core 2 and coiling, this gap is injection molding material and fills in the time of an injection moulding, like this, cambered surface separator 121 and be filled in iron core and coil between injected plastics material provide two-layer protection to draining pump outside for the seepage that prevents rotor chamber.
Because the present embodiment forms by an injection moulding, as shown in Figures 9 and 10, coil sealing 11, iron core sealing 12 and rotor cylindrical shell 13 adopt identical plastic material to make.For example, coil sealing 11, iron core sealing 12, rotor cylindrical shell 13 can all adopt the BMC material that fire-protection rating is high, also can all adopt the PP material that plasticity is high and fire-protection rating is high.
All the other structures of the present embodiment are identical with embodiment 1, are not described in detail.
Although above-mentioned, the utility model is described in detail; but the utility model is not limited to this; those skilled in the art can modify according to principle of the present utility model; therefore, all various amendments of carrying out according to principle of the present utility model all should be understood to fall into protection range of the present utility model.
Claims (10)
1. for an iron core for the permagnetic synchronous motor of pump housing integral type, take the shape of the letter U, comprising:
Two longitudinal sections of being parallel to each other;
Traversing section, is connected one end of two longitudinal sections;
Two polar arc portions, lay respectively at two longitudinally other ends of section, and each polar arc portion has inner concave arc surface, it is characterized in that:
Offer at least one groove along inner concave arc surface, groove is for embedding the root of cambered surface separator, and cambered surface separator forms and seal inner concave arc surface in the time that injection moulding forms the pump housing.
2. iron core as claimed in claim 1, is characterized in that:
The end of described polar arc portion is provided with the first location notch that makes iron core and the mutual centering of coil in the time of the injection moulding pump housing.
3. iron core as claimed in claim 1, is characterized in that:
The bight of one end of described longitudinal section is provided with the second location notch that makes iron core and the mutual centering of coil in the time of the injection moulding pump housing.
4. a permagnetic synchronous motor for pump housing integral type, comprising:
Stator module, have the coil being wound on coil rack and be assemblied in the iron core on coil, iron core takes the shape of the letter U, and has two longitudinal sections of being parallel to each other and makes two traversing sections that longitudinally one end of section is connected, two longitudinally the other end of section be respectively equipped with polar arc portion, each polar arc portion has inner concave arc surface;
Rotor assembly, has the permanent magnet rotor of rotating for drives impeller;
Coil sealing, sealing is wound in the coil on coil rack;
Pump housing portion, has rotor cylindrical shell and iron core sealing taking iron core as the basic arrangement rotor assembly forming by injection moulding, it is characterized in that:
Iron core sealing has makes the inner concave arc surface of iron core and the cambered surface separator of rotor chamber isolation;
Offer at least one groove along inner concave arc surface, groove is for being embedded in the root of the cambered surface separator forming when injection moulding forms rotor cylindrical shell and iron core sealing.
5. permagnetic synchronous motor as claimed in claim 4, is characterized in that, described coil sealing and pump housing portion are injection molded successively, or described coil sealing and pump housing portion once injection molded.
6. permagnetic synchronous motor as claimed in claim 5, is characterized in that: cambered surface separator and the rotor cylindrical shell of described iron core sealing are integral, form continuous rotor chamber.
7. permagnetic synchronous motor as claimed in claim 6, is characterized in that: described cambered surface separator has described root and matches with described groove, and cambered surface separator is fastened on inner concave arc surface.
8. permagnetic synchronous motor as claimed in claim 7, is characterized in that: the thickness of described cambered surface separator thinnest part is 0.2-0.75mm.
9. permagnetic synchronous motor as claimed in claim 5, is characterized in that, the end of the described polar arc portion of described iron core is provided with the first location notch that makes iron core and the mutual centering of coil in the time of the injection moulding pump housing.
10. permagnetic synchronous motor as claimed in claim 5, is characterized in that:
One end of described longitudinal section is provided with the second location notch that makes iron core and the mutual centering of coil in the time of the injection moulding pump housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420418501.7U CN204013154U (en) | 2014-07-28 | 2014-07-28 | A kind of permagnetic synchronous motor and iron core thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420418501.7U CN204013154U (en) | 2014-07-28 | 2014-07-28 | A kind of permagnetic synchronous motor and iron core thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204013154U true CN204013154U (en) | 2014-12-10 |
Family
ID=52053091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420418501.7U Active CN204013154U (en) | 2014-07-28 | 2014-07-28 | A kind of permagnetic synchronous motor and iron core thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204013154U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016015572A1 (en) * | 2014-07-28 | 2016-02-04 | 江门市地尔汉宇电器股份有限公司 | Permanent magnet synchronous electric motor and preparation method therefor |
| CN109340127A (en) * | 2018-09-05 | 2019-02-15 | 广东赛普电器制造有限公司 | The preparation method of draining pump and its pump body portion |
-
2014
- 2014-07-28 CN CN201420418501.7U patent/CN204013154U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016015572A1 (en) * | 2014-07-28 | 2016-02-04 | 江门市地尔汉宇电器股份有限公司 | Permanent magnet synchronous electric motor and preparation method therefor |
| RU2643799C1 (en) * | 2014-07-28 | 2018-02-06 | Джангмен Айдеар Ханюй Электрикал Джойнт-Сток Ко., Лтд. | Synchronous motor with permanent magnets and method for its manufacture |
| US10601279B2 (en) | 2014-07-28 | 2020-03-24 | Hanyu Group Joint-Stock Co., Ltd. | Permanent magnet synchronous motor and its preparation method |
| CN109340127A (en) * | 2018-09-05 | 2019-02-15 | 广东赛普电器制造有限公司 | The preparation method of draining pump and its pump body portion |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105322730A (en) | Permanent magnet synchronous motor and preparation method thereof | |
| US9793038B2 (en) | Electromagnetic drive coil unit and molding method thereof | |
| CN103545945B (en) | Motor stator | |
| CN111279585B (en) | Rotor and method for producing a rotor | |
| JP2014050208A5 (en) | ||
| US10411534B2 (en) | Rotor and rotating electric machine | |
| CN204013154U (en) | A kind of permagnetic synchronous motor and iron core thereof | |
| CN103872825A (en) | Rotor and electric motor | |
| JP2018068059A (en) | Rotor unit and method of manufacturing the same | |
| JP2017079539A (en) | Stator | |
| CN102594068A (en) | Method for widening weak magnetic speed regulating range of permanent magnet synchronous motor and stator of permanent magnet synchronous motor | |
| JP6562590B2 (en) | Electromagnetic drive coil device, motor-operated valve and solenoid valve provided with the same | |
| CN103915970A (en) | Hybrid stepping motor | |
| CN108370191B (en) | Centrifugal pump, in particular circulating pump | |
| CN109155554A (en) | spoke type rotor | |
| CN202817945U (en) | Three-position connector for motor | |
| JP7266528B2 (en) | electric motor | |
| KR20160119424A (en) | Motor with maximum saliency ratio for high power and Method for manufacturing rotor composing the same | |
| CN107086734B (en) | Production process of motor rotor, motor rotor and motor | |
| JP6260505B2 (en) | Three-phase rotating electric machine | |
| CN203942365U (en) | Motor | |
| CN216625411U (en) | Rotor core, rotor subassembly and have its motor | |
| KR101108609B1 (en) | Motor and manufacturing method of motor | |
| KR102019126B1 (en) | A rotor for a motor and method for manufacturing the same | |
| KR20130002128A (en) | Switched reluctance motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 529040 No. 336 Qing Lan Road, hi tech Development Zone, Guangdong, Jiangmen Patentee after: HANYU GROUP Co.,Ltd. Address before: 529040 No. 336 Qing Lan Road, hi tech Development Zone, Guangdong, Jiangmen Patentee before: JANGMEN IDEAR HANYU ELECTRICAL JOINT-STOCK Co.,Ltd. |