CN202931046U - Plastic package motor stator assembly with electric corrosion prevention structure - Google Patents
Plastic package motor stator assembly with electric corrosion prevention structure Download PDFInfo
- Publication number
- CN202931046U CN202931046U CN201220475054XU CN201220475054U CN202931046U CN 202931046 U CN202931046 U CN 202931046U CN 201220475054X U CN201220475054X U CN 201220475054XU CN 201220475054 U CN201220475054 U CN 201220475054U CN 202931046 U CN202931046 U CN 202931046U
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- CN
- China
- Prior art keywords
- end cap
- brace
- electric
- stator assembly
- electrically connected
- 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.)
- Expired - Fee Related
Links
- 238000005536 corrosion prevention Methods 0.000 title 1
- 238000004804 winding Methods 0.000 claims abstract description 18
- 239000012634 fragment Substances 0.000 claims description 30
- 239000004020 conductor Substances 0.000 claims description 22
- 238000004806 packaging method and process Methods 0.000 claims description 22
- 230000007797 corrosion Effects 0.000 claims description 19
- 238000005260 corrosion Methods 0.000 claims description 19
- 239000011888 foil Substances 0.000 claims description 12
- 229910000679 solder Inorganic materials 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 3
- 230000003628 erosive effect Effects 0.000 abstract 4
- 230000002265 prevention Effects 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 7
- 239000011889 copper foil Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
The utility model provides a plastic package motor stator assembly with an electric erosion prevention structure, which comprises a stator component, a first end cover and a second end cover, wherein the first end cover and the second end cover are arranged at two ends of the stator component; the stator assembly comprises a stator core and a winding framework sleeved outside the stator core, a plurality of coil windings are wound on the winding framework, and the winding framework and the coil windings are wrapped by a plastic package shell; the stator assembly further comprises a conductive member, and the first end cap is electrically connected with the second end cap through the conductive member. The utility model discloses the structure of make full use of motor itself realizes preventing the electric erosion effect, need not to change the motor structure, and simple process, preparation convenience, the structure is nimble, low cost, prevent that the electric erosion is effectual, and is safe, reliable, can effectively prevent that the electric erosion from appearing in the bearing, reduces the motor noise, prolongs motor life greatly.
Description
Technical field
The utility model relates to technical field of motors, especially relates to a kind of plastic packaged motor stator assembly with anti-electric corrosion structure.
Background technology
Plastic packaging motor is a kind of of motor, has been widely used in the every field of life.Plastic packaging motor has stator module, is respectively equipped with end cap at the two ends of stator module, and stator module and end cap surround a rotor chamber, and rotor is contained in rotor chamber, and rotates with respect to stator.
Chinese utility model patent CN201020575008.8 discloses a kind of plastic packaging motor with anti-electric corrosion structure, the first end cap and the second end cap that comprise stator module and be positioned at the stator module two ends, stator module and two end caps surround a rotor chamber, one rotor is positioned at rotor chamber, stator module has stator core, one bobbin is sleeved on outside stator core, a plurality of coil windings are wound on bobbin, bobbin and coil windings are wrapped with the plastic packaging shell, wherein, bobbin is provided with the brace that extends to the first end cap one side, one end of brace and stator core butt, the other end of brace is elongated end, elongated end extends to outside the plastic packaging shell, brace is electrically connected to a shell fragment by a connection piece, at least a portion of shell fragment and the first end cap butt.
In the disclosed plastic packaging motor of above-mentioned patent, be not electrically connected between the first end cap and the second end cap, there is potential difference between two end caps of motor, thereby make the interior foreign steamer of the bearing in two end caps produce potential difference, lubricating oil film or the lubricated air film gap minimum place of bearing surface is easy to breakdown, forms discharge loop, cause the motor bearings surface galvanic corrosion to occur, the wearing and tearing of increase to steel ball, thus motor noise produced.In addition, the scope of application of existing motor for preventing electric corrosion structure is little, and change has occured internal structure, has increased production process, and inconvenience is installed, and has affected the production efficiency of motor.
The utility model content
Technical problem to be solved in the utility model is to overcome the above-mentioned deficiency of prior art, and a kind of plastic packaged motor stator assembly of anti-galvanic corrosion better effects if is provided.
For solving the problems of the technologies described above, the utility model has adopted following technical scheme: design a kind of plastic packaged motor stator assembly with anti-electric corrosion structure, the first end cap and the second end cap that comprise stator module and two ends thereof, described stator module and described the first end cap and the second end cap surround rotor chamber; Described stator module comprises the bobbin that stator core is outer with being sleeved on this stator core, and a plurality of coil windings are wound on described bobbin, and described bobbin and described coil windings are wrapped with the plastic packaging shell; Described stator module also comprises electric-conductor, and described the first end cap forms with described the second end cap by described electric-conductor and is electrically connected to; Described bobbin is provided with the brace that extends to described the first end cap, and described brace is electrically connected to a shell fragment, at least a portion of described shell fragment and described the first end cap butt; The first end of described electric-conductor is electrically connected on described brace, and the second end is electrically connected on described the second end cap.
By such scheme as seen, this structure has realized the electrical connection between two end caps of motor, reduces the potential difference of two end caps of motor, reduces the motor effective capacitance value, reduces shaft voltage, thereby realizes anti-galvanic corrosion effect.Anti-electric corrosion structure after improvement can increase the scope of application of anti-galvanic corrosion, prevents bearing generation galvanic corrosion phenomenon.
[0009]According to field frame assembly of the present utility model, be provided with insulating case between described brace and described plastic packaging shell, the end face towards described the first end cap of described insulating case is provided with circuit board, be covered with conductive foil on this circuit board, described shell fragment is fixed on described circuit board and with described conductive foil and is electrically connected to; Described brace runs through described insulating case and described circuit board, and described brace is electrically connected to described shell fragment by described conductive foil.Above-mentioned brace has also played the effect of fixing circuit board except conduction.
According to field frame assembly of the present utility model, the first end of described electric-conductor is electrically connected to the side direction protuberance of described brace, and described side direction protuberance is between described insulating case and described bobbin.
According to field frame assembly of the present utility model, all be connected by solder joint between described electric-conductor and described brace, between described brace and described conductive foil and between described shell fragment and described conductive foil.
According to field frame assembly of the present utility model, the end of described shell fragment has the cambered surface of described the first end cap bending dorsad.
According to field frame assembly of the present utility model, an end of described brace is embedded in the slot of described bobbin, and described brace and described stator core insulation.
According to field frame assembly of the present utility model, described electric-conductor is coated in described plastic packaging shell.Electric-conductor is wrapped in the plastic packaging shell, can keep apart with stator core, and assurance is connected with the effective of brace and end cap, does not get loose.
Compared with prior art, the utility model takes full advantage of this body structure of motor and realizes anti-galvanic corrosion effect, need not to change electric machine structure, technique is simple, easy to make, flexible structure, galvanic corrosion with low cost, anti-are effective, safety, reliable, can prevent effectively that galvanic corrosion from appearring in bearing, reduce motor noise, greatly extend motor useful life.
Description of drawings
Fig. 1 is the STRUCTURE DECOMPOSITION figure of a kind of embodiment of plastic packaged motor stator assembly of the present utility model.
Fig. 2 is the electric-conductor of field frame assembly shown in Figure 1 and the partial enlarged drawing of the second end cap junction.
Fig. 3 is the partial enlarged drawing of the junction of the brace of field frame assembly shown in Figure 1 and electric-conductor.
Fig. 4 is the structural representation of field frame assembly shown in Figure 1 after increasing circuit board and shell fragment.
Embodiment
Referring to Fig. 1, the plastic packaged motor stator assembly of the present embodiment comprise first end cap 10 at stator module 30 and two ends thereof and the second end cap 20, the first end caps 10 separable with stator module 30, the second end cap 20 integrates with stator module 30.Stator module 30 and the first end cap 10 and the second end cap 20 surround a rotor chamber 40 that is used for the mounting rotor of electric motor (not shown).
As Fig. 1, stator module 30 has stator core 31, and stator core 31 is outer is set with bobbin 32, and a plurality of coil windings 33 are wound on bobbin 32, and bobbin 32 and coil windings 33 are wrapped with plastic packaging shell 38.The second end cap 20 is together with plastic packaging shell 38 is injection-moulded in.Bobbin 32 is made by insulating material, guarantees the electric insulation of stator core 31 and coil windings 33.The periphery of the first end cap 10 is provided with the groove 101 in the face of stator module 30, groove 101 is fastened on the boss 381 of plastic packaging shell 38 peripheries, and the outer wall interference fit of the inwall of groove 101 and boss 381, thereby realize being fixedly connected with of the first end cap 10 and stator module 30.
Described bobbin 32 is provided with the brace 35 that extends to the first end cap 10, and an end of this brace 35 is embedded in the slot of bobbin 32 outboard flanges, and is fixed on bobbin 32, and this brace 35 and stator core 31 insulation.Be coated with an electric-conductor 39 in plastic packaging shell 38, the first end of this electric-conductor 39 is electrically connected on brace 35, the second ends and is electrically connected on the second end cap 20.Wherein, be electrically connected to by solder joint 391 or alternate manner between the side direction protuberance 351 of the first end of this electric-conductor 39 and brace 35, this side direction protuberance 351 bobbin 32 and below between the insulating case 37 that will mention.
Be provided with insulating case 37 between brace 35 and plastic packaging shell 38, this insulating case 37 is positioned at the side near the first end cap 10 of bobbin 32.Insulating case 37 is provided with the through hole that runs through himself both ends of the surface, and brace 35 passes this through hole, and extends to the side near the first end cap 10 of insulating case 37.
Bobbin 32, coil windings 33, insulating case 37 are wrapped with plastic packaging shell 38, plastic packaging shell 38 is in stator core 31, bobbin 32, coil windings 33, brace 35, insulating case 37 and the electric-conductor 39 complete rear injection mo(u)ldings of assembling, so plastic packaging shell 38 is with sealings such as coil windings 33.
The end face towards the first end cap 10 of insulating case 37 is provided with circuit board 34, be covered with Copper Foil 341 on this circuit board 34, described shell fragment 36 is fixed on circuit board 34 and with Copper Foil 341 and is electrically connected to, the end of this shell fragment 36 has the cambered surface of the first end cap 10 bendings dorsad, and this cambered surface is connected on the internal face of the first end cap 10.Certainly, this shell fragment 36 also can form with the first end cap 10 by alternate manner and be electrically connected to.
Brace 35 runs through insulating case 37 and circuit board 34, and this brace 35 is electrically connected to shell fragment 36 by Copper Foil 341.Wherein, be connected by solder joint 342 and solder joint 343 respectively between brace 35 and Copper Foil 341 and between shell fragment 36 and Copper Foil 341.Certainly, shell fragment 36 and brace 35 also can be connected with Copper Foil 341 by alternate manner, and the position of shell fragment 36 can be set flexibly.
The manufacture craft of above-mentioned plastic packaged motor stator assembly is as follows:
The first step: brace 35 is inserted in the slot of bobbin 32.
Second step: bobbin 32 is inserted in stator core 31, and coiling forms coil windings 33 on bobbin 32.
The 3rd step: the two ends of electric-conductor 39 are connected by solder joint or alternate manner with brace 35 and the second end cap 20 respectively.
The 4th step: injection moulding forms plastic packaging shell 38.
The 5th step: the circuit board 34 of packing into, pass brace 35 and shell fragment 36 respectively the fixing hole of circuit board 34 and be welded on circuit board 34; Brace 35 is connected with shell fragment 36 by the Copper Foil 11 of circuit board 34, thereby makes the position of shell fragment 36 unfettered, can be placed on optimal position.
The 6th step: general assembly.The first end cap 10 is pressed into stator module 30, and fully contacts with shell fragment 36.
By such scheme as seen, the shell fragment 36 of the utility model plastic packaged motor stator assembly and the Elastic Contact of the first end cap 10 are even the first end cap 10 positions have been offset also and can have realized effective contact in long-term operation process.By shell fragment 36, circuit board 34, brace 35, electric-conductor 7, first, second end cap is connected, reduces the potential difference of first, second end cap of motor, reduce the motor effective capacitance value, reduce shaft voltage, prevent that effectively galvanic corrosion from appearring in bearing.Anti-electric corrosion structure after improvement can increase the scope of application of anti-galvanic corrosion, prevents bearing generation galvanic corrosion phenomenon.Thereby reduced motor noise, greatly extended motor useful life.
Certainly, above-described embodiment is only the better embodiment of the utility model, during practical application, more variation can also be arranged, and for example, the conductive foil on circuit board is the materials such as silver foil or aluminium foil; Perhaps, directly weld shell fragment in the outer end of brace, and need not conduct electricity by the conductive foil on circuit board, these changes can realize the purpose of this utility model equally.
It is emphasized that at last; the utility model is not limited to above-mentioned execution mode, also should be included in the protection range of the utility model claim as change, electric-conductor and first end cap of shell fragment setting position and shape, the variations such as change of the second end cap connected mode.
Claims (7)
1. the plastic packaged motor stator assembly that has anti-electric corrosion structure comprises the first end cap and second end cap at stator module and two ends thereof, and described stator module and described the first end cap and the second end cap surround rotor chamber; Described stator module comprises the bobbin that stator core is outer with being sleeved on this stator core, and a plurality of coil windings are wound on described bobbin, and described bobbin and described coil windings are wrapped with the plastic packaging shell; It is characterized in that: described stator module also comprises electric-conductor, and described the first end cap forms with described the second end cap by described electric-conductor and is electrically connected to; Described bobbin is provided with the brace that extends to described the first end cap, and described brace is electrically connected to a shell fragment, at least a portion of described shell fragment and described the first end cap butt; The first end of described electric-conductor is electrically connected on described brace, and the second end is electrically connected on described the second end cap.
2. plastic packaged motor stator assembly according to claim 1, it is characterized in that: be provided with insulating case between described brace and described plastic packaging shell, the end face towards described the first end cap of described insulating case is provided with circuit board, be covered with conductive foil on this circuit board, described shell fragment is fixed on described circuit board and with described conductive foil and is electrically connected to; Described brace runs through described insulating case and described circuit board, and described brace is electrically connected to described shell fragment by described conductive foil.
3. plastic packaged motor stator assembly according to claim 2, it is characterized in that: the first end of described electric-conductor is electrically connected to the side direction protuberance of described brace, and described side direction protuberance is between described insulating case and described bobbin.
4. plastic packaged motor stator assembly according to claim 2 is characterized in that: all be connected by solder joint between described electric-conductor and described brace, between described brace and described conductive foil and between described shell fragment and described conductive foil.
5. plastic packaged motor stator assembly according to claim 2, it is characterized in that: the end of described shell fragment has the cambered surface of described the first end cap bending dorsad.
6. plastic packaged motor stator assembly according to claim 1, it is characterized in that: an end of described brace is embedded in the slot of described bobbin, and described brace and described stator core insulation.
7. plastic packaged motor stator assembly according to claim 1, it is characterized in that: described electric-conductor is coated in described plastic packaging shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220475054XU CN202931046U (en) | 2012-09-17 | 2012-09-17 | Plastic package motor stator assembly with electric corrosion prevention structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220475054XU CN202931046U (en) | 2012-09-17 | 2012-09-17 | Plastic package motor stator assembly with electric corrosion prevention structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202931046U true CN202931046U (en) | 2013-05-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220475054XU Expired - Fee Related CN202931046U (en) | 2012-09-17 | 2012-09-17 | Plastic package motor stator assembly with electric corrosion prevention structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202931046U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887916A (en) * | 2014-04-17 | 2014-06-25 | 无锡隆盛科技股份有限公司 | Motor protection structure of electric EGR valve |
| CN104467306A (en) * | 2014-12-18 | 2015-03-25 | 重庆赛力盟电机有限责任公司 | Large motor stator installation structure and method |
| CN106981936A (en) * | 2016-01-15 | 2017-07-25 | 丰田自动车株式会社 | Stator and electrical machine |
| CN108054878A (en) * | 2017-12-20 | 2018-05-18 | 珠海格力节能环保制冷技术研究中心有限公司 | The anti-electric arbor of motor and motor |
| CN109038910A (en) * | 2018-09-18 | 2018-12-18 | 珠海凯邦电机制造有限公司 | Plastic packaging motor |
| CN109038911A (en) * | 2018-09-18 | 2018-12-18 | 珠海凯邦电机制造有限公司 | Plastic packaging motor |
| CN109038959A (en) * | 2018-09-13 | 2018-12-18 | 珠海凯邦电机制造有限公司 | Electric corrosion prevention structure for motor bearing, stator and motor |
| CN110417173A (en) * | 2018-04-26 | 2019-11-05 | 翰昂汽车零部件有限公司 | Method for driving the equipment of compressor and for installing equipment |
| CN110460186A (en) * | 2018-05-07 | 2019-11-15 | 珠海格力电器股份有限公司 | Electric corrosion prevention structure of motor and motor |
| CN110535280A (en) * | 2019-09-26 | 2019-12-03 | 珠海凯邦电机制造有限公司 | Motor end cover, stator module, plastic package motor and air conditioning system |
| WO2020211410A1 (en) * | 2019-04-18 | 2020-10-22 | 佛山市威灵洗涤电机制造有限公司 | Stator assembly and electric motor |
| CN113394902A (en) * | 2021-06-15 | 2021-09-14 | 珠海格力电器股份有限公司 | Fan motor |
-
2012
- 2012-09-17 CN CN201220475054XU patent/CN202931046U/en not_active Expired - Fee Related
Cited By (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103887916A (en) * | 2014-04-17 | 2014-06-25 | 无锡隆盛科技股份有限公司 | Motor protection structure of electric EGR valve |
| CN104467306A (en) * | 2014-12-18 | 2015-03-25 | 重庆赛力盟电机有限责任公司 | Large motor stator installation structure and method |
| CN104467306B (en) * | 2014-12-18 | 2017-02-22 | 重庆赛力盟电机有限责任公司 | Large motor stator installation structure and method |
| CN106981936A (en) * | 2016-01-15 | 2017-07-25 | 丰田自动车株式会社 | Stator and electrical machine |
| CN108054878A (en) * | 2017-12-20 | 2018-05-18 | 珠海格力节能环保制冷技术研究中心有限公司 | The anti-electric arbor of motor and motor |
| CN110417173B (en) * | 2018-04-26 | 2021-07-16 | 翰昂汽车零部件有限公司 | Apparatus for driving compressor and method for mounting apparatus |
| CN110417173A (en) * | 2018-04-26 | 2019-11-05 | 翰昂汽车零部件有限公司 | Method for driving the equipment of compressor and for installing equipment |
| US11183902B2 (en) | 2018-04-26 | 2021-11-23 | Hanon Systems | Device for driving a compressor and method for assembling of the device |
| CN110460186A (en) * | 2018-05-07 | 2019-11-15 | 珠海格力电器股份有限公司 | Electric corrosion prevention structure of motor and motor |
| CN109038959B (en) * | 2018-09-13 | 2023-11-28 | 珠海凯邦电机制造有限公司 | Electric erosion preventing structure of motor bearing, stator and motor |
| CN109038959A (en) * | 2018-09-13 | 2018-12-18 | 珠海凯邦电机制造有限公司 | Electric corrosion prevention structure for motor bearing, stator and motor |
| CN109038910A (en) * | 2018-09-18 | 2018-12-18 | 珠海凯邦电机制造有限公司 | Plastic packaging motor |
| CN109038911A (en) * | 2018-09-18 | 2018-12-18 | 珠海凯邦电机制造有限公司 | Plastic packaging motor |
| CN111835105A (en) * | 2019-04-18 | 2020-10-27 | 佛山市威灵洗涤电机制造有限公司 | Stator module and motor |
| WO2020211410A1 (en) * | 2019-04-18 | 2020-10-22 | 佛山市威灵洗涤电机制造有限公司 | Stator assembly and electric motor |
| US20220021252A1 (en) * | 2019-04-18 | 2022-01-20 | Foshan Welling Washer Motor Manufacturing Co., Ltd. | Stator assembly and electric motor |
| CN111835105B (en) * | 2019-04-18 | 2022-12-06 | 佛山市威灵洗涤电机制造有限公司 | Stator module and motor |
| US11728699B2 (en) * | 2019-04-18 | 2023-08-15 | Foshan Welling Washer Motor Manufacturing Co., Ltd. | Stator assembly and electric motor |
| CN110535280A (en) * | 2019-09-26 | 2019-12-03 | 珠海凯邦电机制造有限公司 | Motor end cover, stator module, plastic package motor and air conditioning system |
| CN113394902A (en) * | 2021-06-15 | 2021-09-14 | 珠海格力电器股份有限公司 | Fan motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130508 Termination date: 20210917 |