CN2650377Y

CN2650377Y - Motor stator winding

Info

Publication number: CN2650377Y
Application number: CN 200320111922
Authority: CN
Inventors: 张凤江
Original assignee: Individual
Current assignee: Individual
Priority date: 2003-10-10
Filing date: 2003-10-10
Publication date: 2004-10-20
Anticipated expiration: 2013-10-10

Abstract

The utility model relates to a stator winding for single-phase asynchronous capacitive operation motor, which comprises a primary winding and a secondary winding, the wire for enwinding the coil of the primary winding is a wire formed by two wires with different wire gauges, wherein, the cross section area of the coarse wire is doubled than that of the wire gauge, the increased length of the wire for enwinding the primary winding coil is doubled than the length of the wire gauge, the number of turns for the primary and secondary winding coils is 3392, the number of slots in stator is 24, both the primary and secondary winding coils are single-layer concentric structure, the starting end of the secondary winding is connected in series with a 4uF capacitor. The stator winding is used for motor with a low temperature rise, reduces the winding loss, the temperature of motor is usually about 20 Celsius degrees.

Description

The motor stator winding

Technical field

The utility model belongs to the motor technology field, relates to a kind of motor stator winding, relates in particular to a kind of stator winding that is used for single-phase asynchronous permanent split capacitor motor.

Background technology

The single-phase asynchronous permanent split capacitor motor of motor extensive use of present domestic electric fan.Have two cover windings on the stator of single-phase asynchronous permanent split capacitor motor, the one, main winding is called the work winding again, and the 2nd, auxiliary winding is starting winding or auxiliary winding again.Their axis differs in the space 90 ° of electric angles.Behind working capacitor of auxiliary winding serial connection, be connected to power supply with main winding, and auxiliary winding participates in operation simultaneously in main winding.As the lead of desk fan motor main winding and auxiliary winding coil, its radical generally is respectively one, and line directly is respectively 0.23mm and 0.17mm, and the number of turn of main winding is generally 2120 circles, and number of stator slots mostly is two kinds of 8 grooves and 16 grooves, and condenser capacity is 1.2uF.Two winding electric are separated by 90 ° and are embedded in the groove.The motor of desk fan is in running, and the temperature temperature rise of main winding is higher, and energy loss is big, and electric energy can not effectively utilize.

Summary of the invention

The purpose of this utility model at the above-mentioned defective that exists in the prior art, provides a kind of stator winding that is used for single-phase asynchronous permanent split capacitor motor, and it can reduce winding loss this stator winding, and temperature rise is low.

The technical scheme that the utility model adopted is: a kind of stator winding that is used for single-phase asynchronous permanent split capacitor motor, comprise main winding and auxiliary winding, the coil of forming main winding and auxiliary winding, thick and thin wire coiling by the not collinear footpath of wire gauge forms respectively, the number of turn of main winding, be generally 2120 circles, number of stator slots mostly is two kinds of 8 grooves and 16 grooves, is connected in series the capacitance 1.2uF of a capacitor with auxiliary winding.Two winding electric are separated by 90 ° and are embedded in the groove, it is characterized in that: the coil of described main winding, the used coiling lead of this coil is connected by two thick with the thin section leads in collinear footpath not and a lead forming, wherein the sectional area of the sectional area ratio wire gauge of heavy gauge wire is twice above, turn to individual layer concentric type structure coil by this lead, 4 groups, embed in the stator slot successively, the coil of auxiliary winding, this coil is the individual layer concentric type structure coil that the lead coiling by wire gauge forms, 4 groups, stride 90 ° of phase places, embed in the stator slot successively.The coiling lead that described main winding is used, its length are a double-length of wire gauge length, and the number of turn of coiling has more 50%.Described stator inside groove number is provided with 24 grooves.

The mode of connection of described winding, live wire (L) and main winding top (D1) join, main winding end (D2) and auxiliary winding top (F1) join, auxiliary winding end (F2) and zero line (N) join, constitute main winding, auxiliary winding top (F1) is serially connected with a capacitance 4uF capacitor and live wire (L) joins, and secondary rich group end (F2) and zero line (N) join, and constitute auxiliary winding.

Advantage that this reality is novel and beneficial effect: a kind of stator winding of the present utility model, its coil turn 3392 circles are generally 2120 circles than the main winding number of turn of common desk fan permanent split capacitor motor and have more 1272 circles, promptly exceed 55%, the electromagnetism intensity of main winding strengthens more than one times to the major general.

Be provided with the capacitance operation motor of the utility model stator winding, the temperature rise of the temperature of its stator winding is lower, and the temperature of motor is generally 20 ℃, and the temperature of common desk fan motor, generally 50 ℃ of-60 ℃ of scopes.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in detail

Fig. 1 is the utility model motor stator structure schematic diagram;

Fig. 2 a, b are respectively single-phase 4 utmost point developed winding diagrams of the utility model motor and main winding, the auxiliary winding number of turn and pitch sign picture

In the accompanying drawing 1, the big circle coil 1 of main winding, the little circle coil 2 of main winding, the big circle coil 3 of auxiliary winding, the little circle coil 4 of auxiliary winding, stator 5;

Accompanying drawing 2, among a, live wire L, main winding top D1, the terminal D2 of main winding, auxiliary winding top F1, the terminal F2 of auxiliary winding, capacitor C, zero line N.

Embodiment

With reference to accompanying drawing 1, stator partly is made up of stator core 5 and stator winding etc.Stator core 5 is to be overrided to form by 0.5mm thick non-directional cold-rolling silicon steel disc or hot rolled silicon steel.Stator outer diameter size design 108mm * 108mm, internal diameter size design 68mm, length is 36mm, by increasing the sectional area and the length of main winding lead, setting is connected by two section leads that line directly are respectively 0.35mm and 0.44mm and forms a lead, and its length amounts to 33192cm, method for winding routinely turns to individual layer concentric type structure coil, 4 groups, embed successively then in stator 5 grooves, number of stator slots is 24.The line of auxiliary winding winding wire directly is set to 0.23mm, and length 31504cm, method for winding routinely turn to individual layer concentric type structure coil, 4 groups.Embed successively then in stator 5 grooves, number of stator slots is 24 grooves.

The making of main winding and auxiliary winding coil and rule:

Main winding: form by big circle coil 1 and little circle coil 2.

Big circle coil 1: line mould size, 70mm * 50mm * 10mm, 1 strides 6, by line footpath 0.35mm, around 250 circles and line footpath 0.44mm, around 35 circles, amounts to 285 circles.

Little circle coil 2: line mould size: 55mm * 35mm * 10mm, 2 stride 5, by line footpath 0.44mm, around 150 circles.The main winding of above-mentioned coiling is an individual layer concentric type structure coil, 4 groups, embeds in the stator slot successively.

The auxiliary winding coil, form by big circle coil 3 and little circle coil:

Big circle coil 3: line mould size, 70mm * 50mm * 10mm, 4 stride 9, and line footpath 0.23mm is around 267 circles.

Little circle coil 4: line mould size, 55mm * 35mm * 10mm, 5 stride 8, and line footpath 0.23mm is around 146 circles.

The auxiliary winding coil of above-mentioned coiling is an individual layer concentric type structure coil, 4 groups, stride 90 ° of phase places, and embed in the stator slot successively.

Main winding, secondary around the number of turn and pitch sign picture, as Fig. 2, shown in a.

The mode of connection, as Fig. 2, shown in the b, live wire L and main winding head D1 join, and main winding tail D2 and auxiliary winding head F1 join, and auxiliary winding tail F2 and zero line N join, and constitute main winding;

Secondary rich group capacitance 4uF capacitor C of F1 serial connection and live wire L join, and auxiliary winding tail F2 and zero line N join, and constitute auxiliary winding.

Main winding of the present utility model (comprising auxiliary winding) the coil winding number of turn 3392 circles, have more 1272 circles than the common desk fan main winding number of turn, promptly have more about 50%, according to lead turn to same to multiturn coil, to increase the intensity in magnetic field, the coil of the present utility model above magnetic field intensity that will double.

Diameter of stator bore of the present utility model is designed to 68mm, and common desk fan is generally 51mm, and therefore, magnetic torque of the present utility model increases than desk fan and is twice.

Stator winding of the present utility model is as single-phase asynchronous permanent split capacitor motor stator winding, and the interior temperature temperature rise of motor is not high, and the temperature of motor is generally about 20 ℃, and the desk fan motor is generally 50 ℃ of-60 ℃ of scopes.

Claims

1, a kind of stator winding, be used for single-phase asynchronous permanent split capacitor motor, two phase windings of stator winding are main winding and auxiliary winding, the coil of forming main winding and auxiliary winding, thick and thin wire coiling by the not collinear footpath of wire gauge forms respectively, and the number of turn of main winding is generally 2120 circles, number of stator slots mostly is two kinds of 8 grooves and 16 grooves, is connected in series the capacitance 1.2uF of a capacitor with auxiliary winding.Two winding electric are separated by 90 ° and are embedded in the groove, it is characterized in that: the coil of described main winding, the used coiling lead of this coil is connected by two thick with the thin section leads in collinear footpath not and a lead forming, wherein the sectional area of the sectional area ratio wire gauge of heavy gauge wire is twice above, turn to individual layer concentric type structure coil by this lead, 4 groups, embed in the stator slot successively, the coil of auxiliary winding, this coil is the individual layer concentric type structure coil that the lead coiling by wire gauge forms, 4 groups, stride 90 ° of phase places, embed in the stator slot successively.

2, a kind of stator winding according to claim 1 is characterized in that the coiling lead that described main winding is used, and its length is one times length of wire gauge length, and the number of turn of coiling has more 50.

3, a kind of stator winding according to claim 1 is characterized in that described stator inside groove number is provided with 24 grooves.

4, a kind of stator winding according to claim 1, the mode of connection that it is characterized in that described winding, live wire (L) and main winding top (D1) join, main winding end (D2) and auxiliary winding top (F1) join, auxiliary winding end (F2) and zero line (N) join, and constitute main winding, and auxiliary winding top (F1) is serially connected with a capacitance 4uF capacitor and live wire (L) joins, secondary rich group end (F2) and zero line (N) join, and constitute auxiliary winding.