CN1180524C - Method for assembling winding of motor stator and motor stator - Google Patents
Method for assembling winding of motor stator and motor stator Download PDFInfo
- Publication number
- CN1180524C CN1180524C CNB021440190A CN02144019A CN1180524C CN 1180524 C CN1180524 C CN 1180524C CN B021440190 A CNB021440190 A CN B021440190A CN 02144019 A CN02144019 A CN 02144019A CN 1180524 C CN1180524 C CN 1180524C
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- winding
- motor stator
- stator
- overlay
- make
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- Expired - Fee Related
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- Manufacture Of Motors, Generators (AREA)
- Insulation, Fastening Of Motor, Generator Windings (AREA)
Abstract
A winding assembling method for motor stator and the motor stator having high reliability and high binding strength of wires by constituting a winding using the wire having a fusion layer made of a thermoplastic resin material at an insulation coating outer layer, shortening an excited heating time to the winding, and stopping the generation of bubbles at the fusion layer. This winding assembling method for the motor stator includes a process of winding the wire having the fusion layer made of the thermoplastic resin material at the insulation coating outer layer around the stator; a process of accommodating the stator K wound with the winding 2 in a sealed container 6 which communicates with a pressure pump 8 after this winding process and electrically connecting the winding with a power supply device 5; and a process of passing a current to the winding from the power supply unit 5 to heat and melt the fusion layer by the self-heat generation of the winding and to bind the windings and operating the pressure pump to pressurize the inside of the sealed container, thus inhibiting the generation of bubbles caused by melting of the fusion layer.
Description
Technical field
The present invention relates to possess the electric wire of the overlay that thermoplastic resin material constitutes and constitute winding assembly method winding, motor stator and motor stator with the insulation coat.
Background technology
Constituting with rotor in the stator of motor, when starting and in service, the electromagnetic force that electric current produces is arranged and making the anxiety of phase mutual friction between the electric wire that constitutes winding.For preventing this class friction, should the electric wire of winding is bonding each other.
As electric wire bonding measure each other, what always generally implement is that so-called dipping lacquer is handled.This dipping lacquer is handled bothersome, and reliability is low.
; in recent years, fixing reduction in processing timeization and processing unit easy and have the tendency that makes with the following method: constitute the overlay that thermoplastic resin is formed at the insulation coat, after the winding assembling winding is switched on more; utilize winding heating heating overlay itself, make it thermal welding.
But, utilizing such winding heating itself that overlay is heated in the processing method that makes its thermal welding, distinguishing has following such shortcoming.
That is, during heating, in groove and between the winding terminal and since from the former to the unshakable in one's determination thermal diffusivity of its periphery with different to the thermal diffusivity of its ambient air, so the temperature difference of being easy to generate from the latter.
Because of this thermal diffusivity difference, so exist the deposited incomplete danger that deterioration that heating causes or underheat are brought of crossing of insulation coat, heating-up temperature is high more, and this dangerous tendency is big more.
For avoiding described danger, the temperature difference of interior temperature of groove and winding terminal temperature is reduced, and preferably, improve the electrical current value, improve programming rate, reach the temperature of regulation at short notice.
, if programming rate accelerates,, produce bubble in the overlay if solvent, moisture content and air etc. that overlay contains fail to overflow from overlay.If described overlay produces bubble, then mutual bonding force reduction, the reliability of electric wire reduces.
Summary of the invention
The present invention is based on described case study, its objective is, winding assembly method and motor stator on the high motor stator of a kind of reliability are provided, it uses by the insulation coat possesses the electric wire of the overlay that thermoplastic resin material forms and constitutes winding, shortening is for short the getting final product heating time of described winding, and, do not produce bubble in the overlay, thereby the mutual bonding strength of electric wire is big.
Winding assembly method at motor stator of the present invention makes for realizing described purpose, and it possesses: use the electric wire of the overlay of being made up of thermoplastic resin material at the insulation coat and be wound on operation on the motor stator; After the coiling operation, will implement in the closed container that stator is housed in pressurized source is communicated with of winding and the operation that winding and external power source are electrically connected; By external power source to winding energising, utilize the heating heating overlay of winding itself to make it that hot melt fuses and make the pressurized source action and pressurization in to closed container, stop gassing in the overlay, make the mutual bonding operation of winding.
And, the current value of described winding energising set for make current density reach 30A/mm
2More than, make conduction time at 1 minute with interior end.
Motor stator of the present invention makes for realizing described purpose, possesses in claim utilized 1 and 2 winding assembly method in each described motor stator and the stator that constitutes.
Owing to possess the technical scheme of this class problem of solution, the present invention can obtain the winding assembly method of the high motor stator of reliability and the stator of motor, shortening can not produce bubble to the heating time of winding in the overlay, thereby the mutual bonding strength of electric wire is big.
The simple declaration of accompanying drawing
Fig. 1 (A) and Fig. 1 (B) are the vertical view and the front view of the motor stator of embodiment of the present invention.
Fig. 2 is that the concept map that makes it deposited is heated in stator energising, the utilization heating itself of Fig. 1 execution mode.
Fig. 3 is the key diagram that the stator winding heating of Fig. 1 execution mode makes it deposited processing.
Fig. 4 is expression winding electrical current density and heating time, the interior temperature of groove and the temperature difference of winding terminal temperature and the diagrammatic sketch of bubble incidence one example of Fig. 1 execution mode.
The working of an invention mode
Below, with reference to description of drawings implementation method of the present invention.
Fig. 1 (A) is the vertical view that constitutes the stator K of motor, and Fig. 1 (B) is the front view of stator K.
Described stator K has the stator core 1 that steel plate is laminated.This steel plate by as the yoke portion of annular yoke, be arranged to radial a plurality of (6) tooth portions (being also referred to as magnetic pole tooth) in this yoke portion inboard with predetermined distance and constituted.
Described tooth portion covers with insulating component 3, places winding 2 by this insulating component 3 in tooth portion.And, in stator core 1, form six grooves (tooth portion), in stator core 1, place winding 2, and set the rotor number of poles for 4 utmost points.
Winding 2 ends connect many lead-out wires, and these lead-out wires extend to the outside from stator core 1.These many lead-out wires are concentrated into 1 strand 4a, its top ends rat tail terminal 4b.
Like this, stator K has the winding 2 of concentrated coiling, and the electric wire that the insulation coat possesses overlay is used for described winding 2.And described overlay is made up of thermoplastic resin material.
Fig. 2 is the Wiring harness terminal 4b of the stator K of expression by implementing winding 2 and state diagram that stator K and external power source device 5 are electrically connected.
If stator winding 2 is switched on by Wiring harness terminal 4b and lead-out wire strand 4a with described supply unit 5, electric current is a setting, and then winding 2 utilizations itself are generated heat and are heated, and carry out thermal welding at outer field overlay, make the skin of each winding 2 deposited mutually.
Fig. 3 is that stator K that expression will implement winding 2 is housed in the state diagram in the closed container 6.Lead-in wire 7a receives on the Wiring harness terminal 4b of stator K, and these lead-in wires 7a is connected with terminal 7 on being located at closed container 6.
Described terminal 7 is externally connected to from supply unit 5 extended lead-in wire 7b.Thereby, in closed container 6, be in the winding that assembles on the stator K that accommodates attitude 2 and be electrically connected with supply unit 5 outside the closed container 6.
Force (forcing) pump 8 as pressurized source is communicated with closed container 6 by pipe arrangement 9.By making this force (forcing) pump 8 actions, air is pressurized in the closed container 6.
Fig. 4 is expression for temperature and the temperature difference of winding terminal temperature and the diagrammatic sketch of bubble incidence one example in the current density of the energising of winding and the conduction time that reaches target temperature, the groove.
In this example, the winding temperature before the energising is set 20 ℃, and maximum heating temperature is set at 200 ℃.
As another example, under the pressurized state of carrying out regulation, electrical current set for make the current density of winding 2 reach 30A/mm
2More than, be below 1 minute conduction time.
Then, according to described formation, its effect is described.
As shown in Figure 3, stator K is contained in the closed container 6, and 2 energisings make itself heating, then the moisture expansion gassing in the overlay to winding.Therefore, force (forcing) pump 8 moves simultaneously, to environment pressurization in the closed container 6.
The air pressure of the stator K surrounding environment in the closed container 6 raises, and can suppress the moisture bubbleization in the overlay.Even be the overlay thermal welding of winding 2, bubble takes place also to be suppressed.
As shown in Figure 4, if current density is set in 30A/mm
2More than, then the temperature difference of temperature and winding terminal temperature is suppressed in below 10 ℃ in the groove, and it is deposited to carry out good heating, but the rising of bubble incidence, the possibility that bonding strength reduces is higher.
By improving the air pressure of environment in the closed container 6, bubble is suppressed, even current density is set 30A/mm
2More than, also can gassing, it is deposited to carry out the good heating that the temperature difference of temperature and winding terminal temperature reduces in the groove.
In the such the present invention of described explanation, as winding, after the electric wire that adopts the insulation coat to possess the overlay of thermoplastic resin formation carries out the winding assembling, stator is contained in the closed container, the limit pressurization, the limit energising is heated deposited, thereby can improve programming rate, shorten heating time, temperature and winding terminal temperature has a narrow range of temperature in the groove, there is not insulant aging, the deposited imperfection situation that causes with the heating-up temperature deficiency, well heat deposited, and overlay gassing not, acquisition can provide no bubble to cause bonding strength to reduce, the effect of the motor stator that reliability is high.
Claims (3)
1. the winding assembly method of a motor stator is characterized in that possessing: using by the insulation coat has the electric wire of the overlay that thermoplastic resin material constitutes and is wound on operation on the motor stator; After the coiling operation, with the operation that is electrically connected in the closed container that the stator that implements winding is housed in pressurized source is communicated with and with described winding and external power source; From described external power source winding is switched on, make described overlay heating, thermal welding and make winding bonding mutually, make the pressurized source action pressurization in the closed container be stoped the operation of gassing in the overlay simultaneously by winding itself heating.
2. the winding assembly method of motor stator as claimed in claim 1 is characterized in that, the electrical current value of described winding is set for make current density reach 30A/mm
2More than, and finished conduction time in 1 minute.
3. a motor stator is characterized in that, possesses the motor stator that utilizes the winding assembly method in each described motor stator in described claim 1 and 2 and constitute.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001298606A JP2003111331A (en) | 2001-09-27 | 2001-09-27 | Winding assembling method for motor stator and motor stator |
| JP2001298606 | 2001-09-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1411123A CN1411123A (en) | 2003-04-16 |
| CN1180524C true CN1180524C (en) | 2004-12-15 |
Family
ID=19119485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB021440190A Expired - Fee Related CN1180524C (en) | 2001-09-27 | 2002-09-27 | Method for assembling winding of motor stator and motor stator |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2003111331A (en) |
| CN (1) | CN1180524C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101147311B (en) * | 2005-02-14 | 2010-08-04 | 艾塔尔公司 | Electromotor comprising a segmented part which is formed form several sheet steel laminations and method for unifying the sheet steel |
| JP5748569B2 (en) * | 2011-06-10 | 2015-07-15 | 本田技研工業株式会社 | Stator manufacturing jig and manufacturing method |
| JP2013229945A (en) * | 2012-04-24 | 2013-11-07 | Honda Motor Co Ltd | Electrification fixing method |
| CN108199516B (en) * | 2018-01-08 | 2024-04-09 | 深圳市凯中精密技术股份有限公司 | Plastic hot-melt connector for motor stator and production method |
| US11770057B2 (en) * | 2019-10-28 | 2023-09-26 | Toyo Electric Mfg. Co., Ltd. | Method of preheating unfinished stator |
| CN112737249A (en) * | 2020-12-25 | 2021-04-30 | 厦门势拓御能科技有限公司 | Stator manufacturing method adopting continuous wave winding process, stator and flat wire motor |
-
2001
- 2001-09-27 JP JP2001298606A patent/JP2003111331A/en active Pending
-
2002
- 2002-09-27 CN CNB021440190A patent/CN1180524C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JP2003111331A (en) | 2003-04-11 |
| CN1411123A (en) | 2003-04-16 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041215 Termination date: 20120927 |