CN218586964U - Stator assembly and centrifugal pump using same - Google Patents
Stator assembly and centrifugal pump using same Download PDFInfo
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- CN218586964U CN218586964U CN202222592817.5U CN202222592817U CN218586964U CN 218586964 U CN218586964 U CN 218586964U CN 202222592817 U CN202222592817 U CN 202222592817U CN 218586964 U CN218586964 U CN 218586964U
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Abstract
The utility model discloses a stator module and applied this stator module's centrifugal pump, this stator module include the iron core of the column of ring, coil former, twine enameled wire and external terminal on the coil former, and external terminal is fixed in on the coil former and realizes that the enameled wire is connected with external power source electric conductance, its characterized in that: the common terminal comprises a main body part, an installation part extending from the main body part and a hanging arm extending from the main body part and formed by bending, the hanging arm and the main body part enclose a space for the enameled wire to pass through, and the common terminal comprises a1 st hanging arm and a2 nd hanging arm which are respectively positioned on the left side and the right side of the installation part. Through the stator module and the centrifugal pump of above-mentioned design, the beat of wire winding can be accelerated, stator module production efficiency and production qualification rate are promoted.
Description
Technical Field
The utility model relates to a stator module especially relates to an use stator module's centrifugal pump, and its IPC classification number is F04D13/06.
Background
As shown in the prior patent publication No. CN211046603U, the common terminal (terminal tail) of the conventional stator assembly includes a support, an outgoing line terminal connected to the support in a bent manner, and a terminal tail crimping block connected to the outgoing line terminal at an included angle. When the stator of the stator assembly winds, the winding machine feeds in from the incoming line terminal, the tail of the wound phase is connected to the public terminal to complete the winding of the same phase, then the winding machine feeds in from the other incoming line terminal again, and the winding of other 2 phases is completed according to the winding method. The beat of its wire winding of current stator module is slow, leads to stator module's production efficiency.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a following technical scheme:
the utility model provides a stator module, includes the iron core of the column shape of ring, coil former, twines enameled wire and external terminal on the coil former, and external terminal is fixed in on the coil former and realizes that enameled wire and external power source electric conductance are connected its characterized in that: still including setting up the public terminal on the coil former, the couple is established to external terminal, and public terminal includes the main part, extends the installation department that extends from the main part and extends the string arm through bending formation from the main part, hangs the arm and encloses into the space that supplies the enameled wire to pass through with the main part, and it includes the 1 st string arm and the 2 nd string arm that are located the installation department left and right sides respectively.
The utility model discloses a stator module is equipped with respectively on its public terminal and the external terminal and hangs arm and couple, when winding the enameled wire, only need pass through behind the enameled wire inlet wire and hang arm and couple and can get into another required wire-wound iron core groove from accomplishing wire-wound iron core groove and wind, whole wire winding process coiling machine need not to cut off and reposition the winding operation of inlet wire to the enameled wire. The stator assembly designed by the design can accelerate the beat of winding and improve the production efficiency of the stator assembly; meanwhile, the outgoing lines of the enameled wires of the stator assembly are uniformly distributed on the 1 st hanging arm and the 2 nd hanging arm, so that the condition of pressure break explosion or poor welding contact of the enameled wires during subsequent pressure welding of the hanging arms is reduced, and the yield of production of the stator assembly is improved.
Further, the 1 st hanging arm and the 2 nd hanging arm are symmetrically arranged.
Furthermore, the number of the slots of the iron core is Z, in a plane projection drawing perpendicular to the axis of the stator assembly, the center line of the common terminal is overlapped with the center line of any size in the iron core, the numerical value of an included angle formed by a connecting line of the outer end point and the center point of the 1 st hanging arm and a connecting line of the outer end point and the center point of the 2 nd hanging arm is phi 1, and phi 1 is less than or equal to 360 degrees/Z.
Further, when the numerical value of the radius of the core is R1 and the numerical value of the tooth width is W, W = R1 × (0.13 to 0.19) is satisfied.
Further, in a plane projection diagram perpendicular to the axis of the stator assembly, the length of a connecting line between the outer end point of the 1 st hanging arm and the outer end point of the 2 nd hanging arm is H1, the length of a connecting line between the inner end point of the 1 st hanging arm and the inner end point of the 2 nd hanging arm is H2, and the tooth width of the iron core is W, so that H1= W (2.8-5) and H2= H1 (0.55-0.85) are satisfied.
Further, the main body portion is fan-shaped in a plan projection perpendicular to the stator assembly axis.
Furthermore, the number of the slots of the iron core is Z, and in a plane projection diagram perpendicular to the axis of the stator assembly, an included angle formed by a connecting line between the outer end point of the 1 st hanging arm and the center point and a connecting line between the outer end point of the 2 nd hanging arm and the center point is α 1, and an included angle formed by a connecting line between the inner end point of the 1 st hanging arm and the center and a connecting line between the inner end point of the 2 nd hanging arm and the center is α 2, so that α 1= (240 °/Z-360 °/Z) is satisfied, and α 2= α 1 (0.55-0.85).
Furthermore, the external terminal also comprises a support and a binding post bent at one end of the support and basically vertical to the support, and the hook of the external terminal is bent reversely at the other end of the support away from the binding post.
Further, the diameter of the enameled wire is d1, and when the enameled wire passes through the hanging arm, and the axial distance from the axial end point of the main body part to the enameled wire is X, X = d1 × (2.5-5) is satisfied.
The utility model discloses still disclose a centrifugal pump.
The utility model provides a centrifugal pump, includes the pump body, rotationally installs rotor, the lid on the pump body and locates pump cover and the arbitrary stator module of above-mentioned on the pump body, its characterized in that: the pump body is equipped with the installation cavity, and stator module sets up in the installation cavity.
The utility model provides a centrifugal pump, through the structure of optimizing the rotor subassembly, make the centrifugal pump have more excellent production efficiency.
Drawings
Fig. 1 is a schematic perspective view of the stator assembly of embodiment 1 of the present invention;
figure 2 is a top view of the stator assembly embodiment 1 of the present invention;
fig. 3 is a schematic perspective view of a common terminal of embodiment 1 of the present invention;
fig. 4 is a side view of a common terminal embodiment 1 of the present invention;
fig. 5 is a schematic perspective view of the external terminal of the present invention;
fig. 6 is a schematic perspective view of the stator assembly of embodiment 2 of the present invention;
figure 7 is a top view of the stator assembly embodiment 2 of the present invention;
fig. 8 is a schematic perspective view of a common terminal of embodiment 2 of the present invention;
figure 9 is a cross-sectional view of a centrifugal pump of the stator assembly of the present invention;
fig. 10 is a schematic view of winding an enamel wire in a slot of a core of a stator assembly;
wherein:
10-pump body, 11-mounting cavity, 20-rotor, 30-pump cover, 40-stator assembly, 40 '-stator assembly, 100-iron core, 200-coil former, 300-enameled wire, 400-external terminal, 410-support, 420-hook, 430-binding post, 500-public terminal, 500' -public terminal, 510-main part, 510 '-main part, 520-mounting part, 520' -mounting part, 530-1 st hanging arm, 530 '-1 st hanging arm, 540-2 nd hanging arm and 540' -2 nd hanging arm
Detailed Description
Example 1:
the utility model discloses a stator module, see fig. 1, this stator module includes the cylindrical iron core 100 of ring, coil former 200, twines enameled wire 300, external terminal 400 and the public terminal 500 on coil former 200. In this embodiment, 3 external terminals 400 are fixedly disposed on the bobbin 200, each of which is provided with a hook 420 for electrically connecting the enameled wire 300, and the external terminals 400 are electrically connected between the enameled wire 300 and an external power source. Referring to fig. 1 and 3, the common terminal 500 is disposed on the coil bobbin 200, and includes a main body 510, a mounting portion 520 extending from a middle section of the main body 510, and hanging arms extending from two ends of the main body 510 and formed by bending, where the hanging arms include a1 st hanging arm 530 located on a left side of the mounting portion 510 and a2 nd hanging arm 540 located on a right side of the mounting portion, respectively, and the 1 st hanging arm 530, the 2 nd hanging arm 540 and the mounting portion 510 enclose a space through which the enameled wire 300 passes.
See fig. 10, the utility model discloses a stator module's common terminal 500 sets up in the outside of iron core groove 6, and external terminal sets up in the outside of iron core groove 2. When the enameled wire is wound, the enameled wire firstly passes through the 2 nd hanging arm 540 to enter the iron core groove 6 for winding, the enameled wire led out after the winding of the iron core groove 6 passes through the hook of the W-phase external terminal to enter the iron core groove 3 for winding, the enameled wire led out after the winding of the iron core groove 3 passes through the 1 st hanging arm 530 and then enters the iron core groove 5 for winding, the enameled wire led out after the winding of the iron core groove 5 passes through the hook of the V-phase external terminal to enter the iron core groove 2 for winding, the enameled wire led out after the winding of the iron core groove 2 passes through the 2 nd hanging arm 540 and then enters the iron core groove 4 for winding, the enameled wire led out after the winding of the iron core groove 4 passes through the hook of the U-phase external terminal to enter the iron core groove 1 for winding, and the lead-out after the winding of the enameled wire of the iron core groove 1 extends to the common terminal and passes through the 1 st hanging arm. The outgoing lines of the enameled wire of the stator assembly of the utility model are uniformly distributed on the 1 st hanging arm and the 2 nd hanging arm, thereby reducing the conditions of pressure-break explosion or poor welding contact of the enameled wire during the subsequent pressure welding of the hanging arms, and improving the qualified rate of production; and the whole winding process winding machine does not need to cut off the enameled wire and reposition the winding operation of the inlet wire, so that the winding beat of the winding machine is accelerated, and the production efficiency of the stator assembly is improved.
Adjust the routing path of coiling machine when being convenient for twine the enameled wire, see fig. 3, the utility model discloses a1 st string of arm 530 and 2 nd string of arm 540 set up for the symmetry. Further, referring to fig. 2 and 3, the number of slots of the core is set to be Z, in a plane projection view perpendicular to the axis of the stator assembly, a central line of the common terminal 500 overlaps a central line of any tooth slot of the core 100, and an included angle formed by a connecting line of an outer end point A1 of the 1 st hanging arm 530 and the central point O and a connecting line of an outer end point A4 of the 2 nd hanging arm 540 and the central point O is phi 1, so that phi 1 is less than or equal to 360 °/Z. Of course, the included angle between the center lines of the common terminal 500 and the core 100, which is smaller than 2 ° due to the assembly error, also belongs to the protection range of overlapping the center line of the common terminal 500 and the center line of any slot in the core 100. The utility model discloses the number Z in the groove of well iron core is 6, and this design restriction public terminal disturbs adjacent tooth's socket wire winding when avoiding the wire winding in the cornerite that any tooth's socket of iron core corresponds.
Referring to fig. 2, in order to optimize the torque and output of the device to which the stator assembly is applied, W = R1 (0.13 to 0.19) is satisfied when the radius value of the core 100 is set to R1 and the tooth width value W of the core 100 is set to W. Further, in a planar projection view perpendicular to the stator assembly axis, if the length of a connection line between an outer end point A1 of the 1 st hanging arm 530 and an outer end point A4 of the 2 nd hanging arm 540 is set to H1, and the length of a connection line between an inner end point A2 of the 1 st hanging arm 530 and an inner end point A3 of the 2 nd hanging arm 540 is set to H2, H1= W (2.8-5) and H2= H1 (0.55-0.85) are satisfied. Experiments prove that the hanging arm has enough strength and is favorable for a winding machine to hang wires.
Referring to fig. 4, when the diameter of the enamel wire 300 is set to d1, and the axial distance from the axial end point of the main body 510 to the enamel wire 300 is X in a state where the enamel wire 300 passes through the suspension arm, X = d1 × (2.5 to 5) is satisfied. Experiments prove that the design is favorable for connecting the enameled wires in the hanging arm by adopting a butt-welding process subsequently, the unreliable welding caused by the insufficient length of the main body part is avoided, and the electric connection stability of the stator assembly is improved.
Referring to fig. 5, in order to facilitate the manufacture of the external terminal 400, the external terminal 400 further includes a support 410, a post 430 bent at one end of the support to form a substantially perpendicular connection with the support 410, and an external terminal hook 420 bent at the other end of the support 410 away from the post 430 in a reverse direction to form a V-shaped channel with the support 410.
Example 2:
compared with the stator assembly 40 of embodiment 1, the stator assembly 40' of this embodiment has the same structure as that of embodiment 1 except that the structure of the common terminal is different, and details are not repeated here. Referring to fig. 6 and 8, the common terminal 500 'of the present embodiment is disposed on the coil bobbin 200, and includes a main body portion 510', a mounting portion 520 'extending from a middle portion of the main body portion, and hanging arms extending from two ends of the main body portion 510' and formed by bending. The hanging arms comprise a1 st hanging arm 530' and a2 nd hanging arm 540' which are respectively positioned on the left side and the right side of the mounting part 510', and the 1 st hanging arm 530' and the 2 nd hanging arm 540' respectively enclose a space for the enameled wire 300 to pass through with the mounting part 510', wherein the main body part 510' is fan-shaped in a plane projection view perpendicular to the axis of the stator assembly. The design is convenient for the winding machine to pass through the hanging arm for the enameled wire.
Further, referring to fig. 7 and 8, when the number of slots of the core 100 is Z, and in a planar projection view perpendicular to the axis of the stator assembly, an included angle formed by a connecting line between an outer end point B1 of the 1 st hanging arm 530 'and the central point O1 and a connecting line between an outer end point B4 of the 2 nd hanging arm 540' and the central point O1 is α 1, and an included angle formed by a connecting line between an inner end point B2 of the 1 st hanging arm 530 'and the axis and a connecting line between an inner end point B3 of the 2 nd hanging arm 540' and the axis is α 2, α 1= (240 °/Z-360 °/Z) and α 2= α 1= (0.55-0.85) are satisfied. This design makes the hanging arm of public terminal not surpass the external diameter of iron core and arranges toward circumference both sides as far as possible in the time, reduces the winding hindrance of hanging arm to the coiling machine, the wire winding of being convenient for.
The utility model discloses still disclose a centrifugal pump.
Referring to fig. 9, the centrifugal pump of the present invention includes a pump body 10, a rotor 20 rotatably mounted on the pump body, a pump cover 30 covered on the pump body 10, and the stator assembly 40 or the stator assembly 40 '(not shown), wherein the pump body 10 is provided with an installation cavity 11, and the stator assembly 40 or the stator assembly 40' is disposed in the installation cavity 11.
The utility model provides a centrifugal pump through the structure of optimizing the rotor subassembly, makes the centrifugal pump have more excellent production efficiency.
The present invention is not limited to the above embodiment, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technology of the present invention.
Claims (10)
1. The utility model provides a stator module, includes the iron core (100) of the column of ring, coil former (200), twines enameled wire (300) and external terminal (400) on the coil former, external terminal (400) are fixed in on coil former (200) and realize that enameled wire (300) and external power source electric conductance are connected, its characterized in that: the coil frame is characterized by further comprising a common terminal (500, 500 ') arranged on the coil frame (200), the external terminal is provided with a hook (420), the common terminal (500, 500') comprises a main body part (510, 510 '), an installation part (520, 520') extending from the main body part and a hanging arm extending from the main body part (510, 510 ') and formed by bending, the hanging arm and the main body part (510, 510') form a space for the enameled wire to pass through, and the hanging arm comprises a1 st hanging arm (530, 530 ') and a2 nd hanging arm (540, 540') which are respectively positioned on the left side and the right side of the installation part.
2. The stator assembly of claim 1, wherein: the 1 st hanging arm (530, 530 ') and the 2 nd hanging arm (540, 540') are symmetrically arranged.
3. The stator assembly of claim 2, wherein: the number of the slots of the iron core (100) is Z, in a plane projection drawing perpendicular to the axis of the stator assembly, the middle line of the common terminal (500) is overlapped with the middle line of any tooth slot in the iron core (100), the numerical value of an included angle formed by a connecting line of the outer end point of the 1 st hanging arm (530) and the central point and a connecting line of the outer end point of the 2 nd hanging arm (540) and the central point is phi 1, and phi 1 is less than or equal to 360 degrees/Z.
4. The stator assembly of claim 1, wherein: the core (100) has a radius value of R1 and a tooth width value of W, and satisfies W = R1 (0.13 to 0.19).
5. The stator assembly of claim 1 or 4, wherein: in a plane projection drawing perpendicular to the axis of the stator assembly, the length value of a connecting line between the outer end point of the 1 st hanging arm (530) and the outer end point of the 2 nd hanging arm (540) is H1, the length value of a connecting line between the inner end point of the 1 st hanging arm (530) and the inner end point of the 2 nd hanging arm (540) is H2, and the tooth width value of the iron core (100) is W, so that H1= W (2.8-5) and H2= H1 (0.55-0.85) are satisfied.
6. The stator assembly of claim 1 or 2, wherein: the main body portion (510') is sector-annular in a plan projection perpendicular to the stator assembly axis.
7. The stator assembly of claim 6, wherein: the number of the slots of the iron core (100) is Z, in a plane projection graph perpendicular to the axis of the stator assembly, an included angle formed by a connecting line of an outer end point of the 1 st hanging arm (530 ') and the center point and a connecting line of an outer end point of the 2 nd hanging arm (540') and the center point is alpha 1, and an included angle formed by a connecting line of an inner end point of the 1 st hanging arm (530 ') and the center point and a connecting line of an inner end point of the 2 nd hanging arm (540') and the center point is alpha 2, so that alpha 1= (240 °/Z-360 °/Z) and alpha 2= alpha 1= (0.55-0.85) are met.
8. The stator assembly of claim 1, wherein: the external terminal (400) further comprises a support (410) and a binding post (430) which is bent at one end of the support to form the binding post which is basically vertical to the support (410), and the other end, away from the binding post (430), of the support (410) of the external terminal hook (420) is bent reversely.
9. The stator assembly of claim 1, wherein: the diameter of the enameled wire (300) is d1, and when the enameled wire (300) passes through the hanging arm, and the axial distance from the axial end point of the main body part (510) to the enameled wire (300) is X, X = d 1X (2.5-5) is satisfied.
10. A centrifugal pump comprising a pump body (10), a rotor (20) rotatably mounted on the pump body, a pump cover (30) covering the pump body (10), and a stator assembly according to any one of claims 1 to 9, characterized in that: the pump body (10) is provided with a mounting cavity (11), and the stator assembly is arranged in the mounting cavity (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222592817.5U CN218586964U (en) | 2022-09-29 | 2022-09-29 | Stator assembly and centrifugal pump using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222592817.5U CN218586964U (en) | 2022-09-29 | 2022-09-29 | Stator assembly and centrifugal pump using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218586964U true CN218586964U (en) | 2023-03-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222592817.5U Active CN218586964U (en) | 2022-09-29 | 2022-09-29 | Stator assembly and centrifugal pump using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218586964U (en) |
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2022
- 2022-09-29 CN CN202222592817.5U patent/CN218586964U/en active Active
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