CN210297389U - Motor stator, motor and compressor - Google Patents
Motor stator, motor and compressor Download PDFInfo
- Publication number
- CN210297389U CN210297389U CN201921427409.6U CN201921427409U CN210297389U CN 210297389 U CN210297389 U CN 210297389U CN 201921427409 U CN201921427409 U CN 201921427409U CN 210297389 U CN210297389 U CN 210297389U
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- stator
- motor
- outgoing line
- terminal
- insulating support
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- 238000004804 winding Methods 0.000 claims abstract description 46
- 238000003466 welding Methods 0.000 claims abstract description 15
- 238000003780 insertion Methods 0.000 claims description 14
- 230000037431 insertion Effects 0.000 claims description 14
- 229910000679 solder Inorganic materials 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract description 2
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 13
- 238000000034 method Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 238000003475 lamination Methods 0.000 description 4
- 230000007774 longterm Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 229910000976 Electrical steel Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
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Abstract
The utility model provides a motor stator, motor and compressor, this motor stator includes: the stator iron core is wound with a stator winding; the insulating support is arranged on one side of the stator core and is fixedly connected with the stator core; the insulating bracket is provided with outgoing line welding spots used for leading out the stator winding; the inserting piece is electrically connected with the lead-out wire welding point and is fixedly connected with the insulating bracket; the terminal is inserted into the inserting piece and provided with an opening for being connected with the first end of the outgoing line; the outgoing line direction of the outgoing line is inclined from the periphery of the insulating support to the axis direction of the insulating support; the utility model discloses avoid the lead-out wire to produce the friction with motor casing when the motor rotates at a high speed to and the lead-out wire short causes the wiring difficulty, has solved the crooked potential safety structure hazard that leads to of lead-out wire root, the security when having improved the motor operation.
Description
Technical Field
The utility model relates to an electrical equipment technical field, specifically speaking relates to a motor stator, motor and compressor.
Background
The upper cover of compressor is provided with wiring assembly usually, and wiring assembly includes the base, is provided with the terminal on the base, and terminal one end is located inside the compressor, links to each other through the lead-out wire of terminal box and motor, and the other end of terminal is located the outside of compressor, links to each other with the power cord of power supply, provides the power for the motor in the compressor.
The motor in the compressor comprises a stator and a rotor, the stator comprises a stator core and an insulating support fixed on the stator core, the stator core is wound with a stator winding, and the motor outgoing line is electrically connected with the stator winding through three outgoing line welding points on the insulating support.
Because the root of the outgoing line is soft, the length of the wire harness is too long, so that the outgoing line is in contact friction with the rotor oil baffle, the motor shell or other parts, and long-term friction can cause abrasion of an outer insulating layer of the wire harness, thereby causing electric leakage and even short circuit.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a motor stator, motor and compressor has solved the problem that the lead-out wire of the inside stator winding of motor leads to the electric leakage etc. with outside casing long-term friction.
According to an aspect of the utility model, a motor stator is provided, this motor stator includes:
the stator iron core is wound with a stator winding;
the insulating support is arranged on one side of the stator core and is fixedly connected with the stator core; the insulating bracket is provided with outgoing line welding spots used for leading out the stator winding;
the inserting piece is electrically connected with the lead-out wire welding point and is fixedly connected with the insulating bracket;
the terminal is inserted into the inserting piece and provided with an opening for being connected with the first end of the outgoing line;
and the outgoing line direction of the outgoing line inclines from the periphery of the insulating support to the axis direction of the insulating support.
Preferably, a projection area of the lead wire formed on the end face of the insulating holder partially overlaps a projection area of the terminal formed on the end face of the insulating holder.
Preferably, the terminal and the end face of the insulating support form a first angle, the outgoing line direction of the outgoing line and the end face of the insulating support form a second angle, and the sum of the first angle and the second angle is 90 degrees.
Preferably, the first angle and the second angle both range from 30 degrees to 60 degrees.
Preferably, the inserting sheet is in a sheet shape, and the inserting sheet is inserted in parallel with the terminal.
Preferably, a conductive piece is arranged in the inserting piece, and the conductive piece is respectively electrically connected with the lead-out wire welding spot and the terminal.
Preferably, the insulating support is provided with three outgoing line welding spots which are respectively used for leading out a U-phase winding, a V-phase winding and a W-phase winding in the stator winding, the number of the inserting pieces and the number of the terminals are three, each terminal is inserted into one inserting piece, and each inserting piece is electrically connected with one outgoing line welding spot.
According to another aspect of the present invention, there is provided a motor, including: the motor comprises a rotor and any one of the motor stators, wherein the rotor is arranged in the motor stator.
According to the utility model discloses a compressor is provided in another aspect, including above-mentioned motor and terminal box, the first end of terminal box with the second end electricity of lead-out wire is connected, the second end of terminal box with locate terminal grafting on the shell of compressor.
Preferably, the end of the junction box is provided with a conductive sheet, and the second end of the outgoing line is fixedly and electrically connected with the conductive sheet.
Compared with the prior art, the utility model beneficial effect lie in:
the utility model provides a motor stator, motor and compressor are through setting up the inserted sheet of being connected with lead-out wire solder joint electricity on insulating support, and the terminal of being connected with the inserted sheet electricity, form the slope with the outlet direction of lead-out wire and insulating support upper surface, thereby make to have great distance between lead-out wire and electric motor rotor or the motor casing, avoid the lead-out wire to produce the friction with outside casing when the motor rotates at a high speed, and the lead-out wire short causes the wiring difficulty, the crooked potential safety structure hazard that leads to in lead-out wire root has been solved, the security when motor operation has been improved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
Fig. 1 is a schematic view of a stator of an electric machine according to an embodiment of the present invention;
FIG. 2 is a partial schematic view of a stator core of the stator of the motor of FIG. 1;
FIG. 3 is a partial schematic view of an insulating support of the stator of the motor of FIG. 1 showing the locations of the three outgoing wire pads;
FIG. 4 is a schematic view of a terminal of the stator of the motor of FIG. 1;
FIG. 5 is a schematic plan view of the motor stator of FIG. 1 after the terminals and tabs have been mated;
fig. 6 is a schematic view of a stator of an electric machine disclosed in the second embodiment of the present invention;
fig. 7 is a schematic view of a motor stator disclosed in the third embodiment of the present invention;
fig. 8 is a top view of the stator of the motor of fig. 1.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the disclosure. One skilled in the relevant art will recognize, however, that the subject matter of the present disclosure can be practiced without one or more of the specific details, or with other methods, materials, devices, etc. In other instances, well-known technical solutions have not been shown or described in detail to avoid obscuring aspects of the present disclosure. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.
The terms "a," "an," "the," "said," and "at least one" are used to indicate the presence of one or more elements/components/parts/etc.; the terms "comprising," "having," and "providing" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.
Example one
Fig. 1 shows a stator of an electric motor in a first embodiment, the stator of the electric motor is applied to an electric motor, and the electric motor is applied to a compressor; fig. 2 shows a stator core in the motor stator, fig. 3 shows three outgoing line welding spots on an insulating support in the motor stator, and in combination with fig. 1 to 3, in the present embodiment, the motor stator includes: the compressor comprises a stator core 101, an insulating bracket 102, three inserting pieces 103 and three terminals 104, and the compressor comprises a junction box 105, wherein the junction box 105 is connected with a shell of the compressor.
The stator core 101 is wound with a stator winding, specifically, the stator core 101 is formed by laminating a plurality of stator laminations with the same shape, and the stator laminations are formed by punching silicon steel sheets. As shown in fig. 2, the stator core 101 has a yoke portion 201 located at a circumferential edge, and a plurality of tooth portions 202 extending from the yoke portion 201 toward a central portion of the stator lamination in a radial direction of the stator lamination, a winding slot 203 is formed between two adjacent tooth portions 202, and a stator winding is wound on the tooth portions 202 of the stator core 101. Here, the circumferential direction of the stator core 101 refers to the circumferential direction of the stator core 101, and the radial direction of the stator core 101 refers to any diameter direction of the stator core 101. In this embodiment, the stator winding includes three-phase windings, which are a U-phase winding, a V-phase winding, and a W-phase winding. Three-phase stator winding's wire winding mode is including establishing ties the wire winding and parallelly connected wire winding, and what this embodiment adopted is the wire winding of establishing ties, nevertheless the utility model discloses do not do specific restriction to this wire winding mode, during the concrete implementation, can select as required.
The insulating bracket 102 is disposed at one side of the stator core 101 and is fixedly connected to the stator core 101. As shown in fig. 3, in this embodiment, three lead-out wire pads 301 are provided on the insulating support 102 for respectively leading out the U-phase winding, the V-phase winding and the W-phase winding of the stator winding, and since the serial winding is adopted in this embodiment, the free ends of the windings of each phase of the three-phase winding respectively pass through the lead-out slots of the insulating support 102 and are electrically connected to the lead-out wire pads 301. As shown in fig. 3, in the present embodiment, the three outgoing line pads 301 are disposed on an elongated wiring member 302 located at a circumferential edge of the insulating support 102, and the three outgoing line pads 301 are disposed on the wiring member 302 at intervals. The circumferential direction of the insulating holder 102 means the circumferential direction of the insulating holder 102.
In this embodiment, the lead-out slots for penetrating through the free end of each phase winding on the insulating support 102 have different slot depths, and in this embodiment, three slot depths are set for distinguishing the U-phase winding, the V-phase winding, and the W-phase winding, respectively.
Each of the insertion pieces 103 is electrically connected to one of the lead wire pads 301 and is fixedly connected to the insulating support 102, and specifically, the insertion pieces 103 in this embodiment are sheet-shaped to facilitate insertion with the terminals 104 during the assembly process. In this embodiment, the insertion pieces 103 are inserted into the terminals 104 in parallel, a conductive member is disposed in each insertion piece 103, and the conductive member in each insertion piece 103 is electrically connected to the outgoing line solder joint 301 in a one-to-one correspondence manner.
Specifically, in a preferred embodiment, a conductive plate 107 is provided at an end of the first end of the terminal box 105, and the second end of the lead wire 106 is fixedly and electrically connected to the conductive plate 107. It should be noted that, since the three outgoing line pads 301 respectively lead out the U-phase winding, the V-phase winding, and the W-phase winding, the outgoing line 106 in the present embodiment has three outgoing lines accordingly, and fig. 1 shows only one outgoing line 106 due to view obstruction. As shown in fig. 8, the three lead wires 106 have first ends connected to the windings of the respective phases, and second ends collectively connected to the conductive strips 107 at the end of the terminal block 105.
With continued reference to fig. 1, the outlet direction of the lead wire 106 extends towards the inside of the stator core 101, that is, the outlet direction of the lead wire 106 is inclined from the outer circumference of the insulating support 102 to the axial direction of the insulating support 102, and the lead wire 106 is arranged obliquely to the upper surface of the insulating support 102. In this embodiment, the projection area of the lead 106 formed on the upper surface of the insulating support 102 is partially overlapped with the projection area of the terminal 104 formed on the upper surface of the insulating support 102, which helps to keep the lead 106 under good tension and compact when the motor is running at high speed, and prevents the root of the wire harness from sagging with high speed running, so that the motor has good stability.
Further, as shown in fig. 1, an angle formed by the terminal 104 and the end surface of the insulating support 102 in this embodiment is a first angle b, an angle formed by the outgoing direction of the lead 106 and the upper surface of the insulating support 102 is a second angle a, and in this embodiment, an included angle of 90 degrees is formed between the outgoing direction of the lead 106 and the terminal 104, that is, a + b is 90 °, so that a potential safety hazard that the root of the lead 106 is easily damaged after long-term use due to an excessively large bending angle of the root of the lead 106 can be effectively avoided. Further, as a preferred embodiment, the first angle b satisfies: b is more than or equal to 30 degrees and less than or equal to 60 degrees, and the second angle a meets the following requirements: a is more than or equal to 30 degrees and less than or equal to 60 degrees, so that after the terminal 104 is assembled subsequently, the terminal 104 and the outgoing line 106 are matched to form a stable structure, the service life of the root of the outgoing line 106 in the long-term use process is ensured, meanwhile, a larger distance is formed between the outgoing line 106 and the motor rotor and the shell, the friction between the outgoing line 106 and the shell and the like during the motor operation is avoided, and the motor operation safety is ensured. In the present embodiment, the first angle b is 60 degrees, and the second angle a is 30 degrees, which may provide a longer service life for the outgoing line 106 and ensure safety during the operation of the motor.
Each of the terminals 104 is inserted into one of the blades 103 and electrically connected to the conductive member in the blade 103, fig. 4 is a schematic structural view of the terminal 104 in the stator of the motor disclosed in this embodiment, fig. 5 is a schematic plan view of a state after the terminal 104 and the blade 103 are inserted, as shown in fig. 4, the terminal 104 in this embodiment includes a rotating portion 401 and a fixing portion 402, one end of the rotating portion 401 is connected to the fixing portion 402, and the other end of the rotating portion 401 can be close to the fixing portion 402, so as to press the end of the outgoing line 106 between the rotating portion 401 and the fixing portion 402. The fixing portion 402 is used for being inserted into the insert sheet 103, and the state after the terminals 104 and the insert sheet 103 are inserted is shown in fig. 5.
As shown in fig. 5, each terminal 104 has an opening 501, i.e. the opening 501 formed after the rotating part 401 and the fixing part 402 are closed, and the axial direction of the opening 501 forms a second angle a with the end surface of the insulating holder 102. Note that the axial direction of the opening 501 coincides with the outgoing line direction of the lead line 106.
After the first end of the lead wire 106 is put into the opening 501 of the terminal 104, the rotating part 401 of the terminal 104 can rotatably press the lead wire into the opening 501, so that the motor production process has the advantages of simple assembly and simplified process.
It should be noted that the terminals 104 and the insertion pieces 103 in this embodiment are connected in an insertion manner, so that the assembly in the actual production process is simple, and the process is simplified; however, the present invention is not limited to this, and in the specific implementation, the connection implementation of the terminal 104 and the insertion sheet 103 may be set as required, such as riveting.
Example two
Fig. 6 is a schematic view of a stator of a motor disclosed in the second embodiment, and as shown in fig. 6, unlike the first embodiment, in this embodiment, the lead wires 106 are inclined to the end faces of the insulating support 102, and the terminals 104 are perpendicular to the end faces of the insulating support 102.
EXAMPLE III
Fig. 7 is a schematic view of a stator of a motor disclosed in the third embodiment, and as shown in fig. 7, unlike the first embodiment, the lead wire 106 is inclined from the end surface of the insulating holder 102, that is, from the upper surface of the insulating holder 102, and the terminal 104 is inclined from the outer periphery of the insulating holder 102 to the axial direction of the insulating holder 102.
The embodiment of the utility model also provides a motor, this motor is equipped with rotor and any kind of above-mentioned motor stator, and the rotor sets up in above-mentioned motor stator; the detailed structural features and advantages of the motor stator can refer to the description of the above embodiments, and are not repeated herein.
The embodiment of the utility model provides a still provide a compressor, including above-mentioned motor and terminal box 105, terminal box 105's second end is pegged graft with the terminal on locating above-mentioned compressor's the shell, and the description of above-mentioned embodiment can be referred to all the other structural feature and the advantage of motor stator, and no longer repeated here.
In the description of the present invention, it is to be understood that the terms "bottom", "longitudinal", "lateral", "up", "down", "front", "back", "vertical", "horizontal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and simplification of description, but do not indicate or imply that the structures or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more and "several" means one or more unless otherwise specified.
In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
To sum up, the utility model discloses a motor stator, motor and compressor have following advantage at least:
the utility model discloses a motor stator, contain this motor stator's motor and contain the compressor of this motor, through set up the inserted sheet of being connected with the lead-out wire solder joint electricity on insulating support, and the terminal of being connected with the inserted sheet electricity, make the direction of being qualified for the next round of competitions and insulating support upper surface formation slope of lead-out wire, thereby make to have great distance between lead-out wire and motor rotor or the motor casing, avoid the lead-out wire to produce the friction with outside casing when the motor rotates at a high speed, and the lead-out wire short causes the wiring difficulty, the potential safety structure hazard that the bending of lead-out wire root leads to has been solved, the security.
On the other hand, the end part of the lead wire is directly crimped with the crimping part of the terminal, so that the process of welding the lead wire and the coil is avoided, the production process is simplified, and the production efficiency is improved; the other end of the lead wire is electrically connected with the conducting strip on the same junction box, so that the purchase of a separate lead wire connecting part is omitted, and the cost is reduced.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. An electric machine stator, comprising:
the stator comprises a stator core (101), wherein a stator winding is wound on the stator core (101);
the insulating support (102) is arranged on one side of the stator core (101) and is fixedly connected with the stator core (101); outgoing line welding spots (301) are arranged on the insulating support (102), and the outgoing line welding spots (301) are used for leading out the stator winding;
the inserting piece (103) is electrically connected with the outgoing line welding spot (301) and fixedly connected with the insulating support (102);
the terminal (104) is inserted into the inserting sheet (103), and the terminal (104) is provided with an opening and is used for being connected with a first end of the outgoing line (106);
the outgoing line direction of the outgoing line (106) inclines from the outer periphery of the insulating support (102) to the axial direction of the insulating support (102).
2. The motor stator according to claim 1, wherein the projection area of the lead-out wire (106) formed on the end surface of the insulating holder (102) partially coincides with the projection area of the terminal (104) formed on the end surface of the insulating holder (102).
3. The motor stator according to claim 1, wherein the terminal (104) is at a first angle with respect to the end surface of the insulating support (102), the outgoing line direction of the outgoing line (106) is at a second angle with respect to the end surface of the insulating support (102), and the sum of the first angle and the second angle is 90 degrees.
4. The stator of an electric machine of claim 3, wherein the first and second angles each range from 30 degrees to 60 degrees.
5. The motor stator as claimed in claim 1, wherein the insertion sheet (103) is in a sheet shape, and the insertion sheet (103) is inserted in parallel with the terminal (104).
6. The motor stator as claimed in claim 1, wherein conductive members are provided in the tab (103), and the conductive members are electrically connected to the lead-out wire solder points (301) and the terminals (104), respectively.
7. The motor stator as claimed in claim 1, wherein three outgoing line welding spots (301) are arranged on the insulating support (102) and are respectively used for leading out a U-phase winding, a V-phase winding and a W-phase winding in the stator winding, three insertion sheets (103) and three terminals (104) are arranged, each terminal (104) is inserted into one insertion sheet (103), and each insertion sheet (103) is electrically connected with one outgoing line welding spot (301).
8. An electric machine, comprising: a rotor and a motor stator as claimed in any one of claims 1 to 7, the rotor being disposed within the motor stator.
9. Compressor, characterized in that it comprises a motor according to claim 8 and a terminal box (105), a first end of the terminal box (105) being electrically connected to a second end of the outlet (106), the second end of the terminal box (105) being plugged to a terminal provided on the casing of the compressor.
10. The compressor as claimed in claim 9, characterized in that the terminal of the junction box (105) is provided with a conductive tab (107), and the second end of the lead-out wire (106) is fixedly and electrically connected with the conductive tab (107).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427409.6U CN210297389U (en) | 2019-08-29 | 2019-08-29 | Motor stator, motor and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921427409.6U CN210297389U (en) | 2019-08-29 | 2019-08-29 | Motor stator, motor and compressor |
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| Publication Number | Publication Date |
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| CN210297389U true CN210297389U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921427409.6U Active CN210297389U (en) | 2019-08-29 | 2019-08-29 | Motor stator, motor and compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130591A1 (en) * | 2022-01-04 | 2023-07-13 | 广东美的智能科技有限公司 | Wiring structure |
-
2019
- 2019-08-29 CN CN201921427409.6U patent/CN210297389U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130591A1 (en) * | 2022-01-04 | 2023-07-13 | 广东美的智能科技有限公司 | Wiring structure |
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