CN108429407B

CN108429407B - Tapping motor assembly

Info

Publication number: CN108429407B
Application number: CN201810526234.8A
Authority: CN
Inventors: 杨百昌; 文耿; 方成
Original assignee: Huangshi Donper Compressor Co Ltd
Current assignee: Huangshi Donper Compressor Co Ltd
Priority date: 2018-05-28
Filing date: 2018-05-28
Publication date: 2024-05-17
Anticipated expiration: 2038-05-28
Also published as: CN108429407A

Abstract

A tap motor assembly belongs to the field of motors. The tap motor assembly comprises a tap motor, a binding post, a protector and a starter. The binding post comprises a fixing seat and at least four binding terminals, the binding terminals are connected with the fixing seat, and the protector and the starter are respectively and electrically connected with the binding terminals. The tapping motor comprises a motor body and a winding module, wherein the winding module comprises a main winding and an auxiliary winding, one end of the main winding is electrically connected with one end of the auxiliary winding, the main winding is electrically connected with a starter, and the auxiliary winding is electrically connected with a protector. The main winding comprises a first sub-winding, a second sub-winding and a first bridge wire; the first sub-winding and the second sub-winding each comprise a plurality of winding coils; the first sub-winding is connected to one end of the first bridge wire; the second sub-winding is connected to the other end of the first bridge wire; the first bridge wire is provided with a first switch. The starting moment of the tapping motor can be improved by 10% -50%, which is beneficial to the starting performance of the motor and makes the motor applicable to wider power supply voltage.

Description

Tapping motor assembly

Technical Field

The invention relates to the field of motors, in particular to a tap motor assembly.

Background

The motor is a heart of an electric power system, is an element integrating rotation, static, electromagnetic change and mechanical movement into a whole, realizes electric energy and mechanical energy conversion, has very complex dynamic performance, and has great influence on the dynamic performance of the whole electric power system.

The motor is characterized in that: in steady state operation, there is a constant relationship n=ns=60 f/p between the rotational speed of the rotor and the grid frequency, where f is the grid frequency, p is the pole pair number of the motor, and ns is referred to as the synchronous rotational speed. If the frequency of the power grid is unchanged, the rotating speed of the synchronous motor is constant in a steady state and is irrelevant to the size of a load.

The synchronous motor in the prior art has poor starting performance.

Disclosure of Invention

An object of the present invention is to provide a tap motor assembly capable of improving motor starting performance without reducing motor efficiency.

The invention is realized in the following way:

A tapping motor assembly comprises a tapping motor, a binding post, a protector and a starter;

The binding post comprises a fixing seat and at least four binding post bodies, the binding post bodies are connected with the fixing seat, and the protector and the starter are respectively and electrically connected with the binding post bodies;

the tapping motor comprises a motor body and a winding module, wherein the winding module comprises a main winding and an auxiliary winding, one end of the main winding is electrically connected with one end of the auxiliary winding, the other end of the main winding is electrically connected with a starter, and the other end of the auxiliary winding is electrically connected with a protector;

The main winding comprises a first sub-winding, a second sub-winding and a first bridge wire; the first sub-winding and the second sub-winding each comprise a plurality of winding coils;

the first sub-winding is connected to one end of the first bridge wire; the second sub-winding is connected to the other end of the first bridge wire;

A first switch is arranged on the first bridge wire; when the first switch is closed, the first sub-winding and the second sub-winding are connected in series; when the first switch is turned off, the first sub-winding and the second sub-winding are connected in parallel.

Further, in one embodiment of the invention:

The winding module further comprises a second bridge wire and a third bridge wire; the second bridge wire and the third bridge wire are respectively provided with a second switch; when the first switch is closed and the second switch is opened, the first sub-winding and the second sub-winding are connected in series; when the first switch is opened and the second switch is closed, the first sub-winding and the second sub-winding are connected in parallel.

Further, in one embodiment of the invention:

The first sub-winding has a first connection terminal and a second connection terminal, the second sub-winding has a third connection terminal and a fourth connection terminal, the second bridge wire is connected between the first connection terminal and the third connection terminal, and the third bridge wire is connected between the second connection terminal and the fourth connection terminal.

Further, in one embodiment of the invention:

A second switch is arranged at one end of the first sub-winding, which is connected with the auxiliary winding; when the second switch is closed, the first sub-winding and the auxiliary winding form a closed loop; when the second switch is opened, the first sub-winding and the second sub-winding are connected in series and then form a closed loop with the auxiliary winding.

The tap motor comprises a motor body and a winding module, wherein the winding module comprises a main winding and an auxiliary winding, one end of the main winding is electrically connected with one end of the auxiliary winding, the other end of the main winding is electrically connected with a starter, and the other end of the auxiliary winding is electrically connected with the starter;

The main winding comprises a plurality of sub windings and a plurality of bridge wires; every two sub windings are connected to two ends of a bridge wire; each bridge wire is provided with a switch; when the switch is closed, the two sub-windings are connected in series; when the switch is opened, the two sub-windings are connected in parallel.

A tapping motor assembly comprises a tapping motor, a binding post, a protector and a starter; the binding post comprises a fixing seat and at least four binding post bodies, the binding post bodies are connected with the fixing seat, and the protector and the starter are respectively and electrically connected with the binding post bodies; the tap motor comprises a motor body and a winding module, wherein the winding module comprises a main winding and an auxiliary winding, one end of the main winding is electrically connected with one end of the auxiliary winding, the other end of the main winding is electrically connected with a starter, and the other end of the auxiliary winding is electrically connected with the starter; the main winding comprises a plurality of winding coils, a first switch and a second switch; the first switch is arranged between two adjacent winding coils; the second switch is arranged at two ends of at least one winding coil; when the first switch is closed and the second switch is opened, the plurality of winding coils are connected in series and then connected to the auxiliary winding; when the second switch is closed and the first switch is opened, at least one winding coil is disconnected from the winding module.

A tapping motor assembly comprises a tapping motor, a binding post, a protector and a starter; the binding post comprises a fixing seat and at least four binding post bodies, the binding post bodies are connected with the fixing seat, and the protector and the starter are respectively and electrically connected with the binding post bodies; the tap motor comprises a motor body and a winding module, wherein the winding module comprises a main winding and an auxiliary winding, one end of the main winding is electrically connected with one end of the auxiliary winding, the other end of the main winding is electrically connected with a starter, and the other end of the auxiliary winding is electrically connected with the starter; the auxiliary winding comprises a plurality of winding coils, a first switch and a second switch; the first switch is arranged between two adjacent winding coils; the second switch is arranged at two ends of at least one winding coil; when the first switch is closed and the second switch is opened, the winding coils are connected in series and then connected to the main winding; when the second switch is closed and the first switch is opened, at least one winding coil is disconnected from the winding module.

Further, in one embodiment of the invention:

The starter comprises a starting relay, the starting relay is provided with a first contact, a second contact and an armature, the other end of a main winding is electrically connected with the armature, the other end of an auxiliary winding is electrically connected with the first contact, and the second contact is used for being connected with an external circuit.

Further, in one embodiment of the invention:

The starter comprises a PTC starter and a starting capacitor which are connected in parallel, the other end of the main winding is connected with the PTC starter and the starting capacitor, and the other end of the auxiliary winding is connected with the PTC starter and the starting capacitor.

Further, in one embodiment of the invention:

the starter comprises a bidirectional controllable silicon, a first thermistor and a second thermistor, the other end of the main winding is connected with the first end of the bidirectional controllable silicon, one end of the first thermistor is connected with one end of the second thermistor, the other end of the first thermistor is connected with the second end of the bidirectional controllable silicon, and the other end of the second thermistor is connected with the third end of the bidirectional controllable silicon.

The beneficial effects of the invention are as follows: the starting torque of the motor starter can be improved by 10% -50%, so that the motor starting performance can be improved under the condition that the motor efficiency is not reduced, the motor starting performance is improved, and the motor is wider in applicable power supply voltage.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a first circuit diagram of a tap motor assembly provided by an embodiment of the invention;

fig. 2 is a schematic structural diagram of a terminal at a first view angle according to an embodiment of the present invention;

Fig. 3 is a schematic structural view of a post at a second view angle according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of another terminal according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of another terminal according to an embodiment of the present invention;

fig. 6 is a first circuit diagram of a winding module in a tap motor assembly according to an embodiment of the invention;

Fig. 7 is a wiring explanatory diagram of a winding module in the tap motor assembly according to the embodiment of the invention;

FIG. 8 is a second circuit diagram of a tap motor assembly provided by an embodiment of the invention;

FIG. 9 is a third circuit diagram of a tap motor assembly provided by an embodiment of the invention;

FIG. 10 is a fourth circuit diagram of a tap motor assembly provided by an embodiment of the invention;

FIG. 11 is a second circuit diagram of a center winding module of a tap motor assembly according to an embodiment of the invention;

fig. 12 is a third circuit diagram of a middle winding module of the tap motor assembly according to the embodiment of the invention;

fig. 13 is a fourth circuit diagram of a middle winding module of the tap motor assembly according to the embodiment of the invention;

Fig. 14 is a fifth circuit diagram of a middle winding module of the tap motor assembly according to the embodiment of the invention.

Icon: 110-winding modules; 120-an initiator; 111-secondary winding; 112-main winding; 200-binding posts; 210-fixing base; 220-terminal body; 310-protector; 320-welding the plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In describing embodiments of the present invention, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "inner", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that the inventive product is conventionally put in use, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention.

In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples

Referring to fig. 1 and 2, the present embodiment provides a tap motor assembly including a tap motor, a terminal post 200, a protector 310, and a starter 120. The terminal 200 includes a fixing base 210 and at least four terminal bodies 220, the terminal bodies 220 are connected with the fixing base 210, and the terminal bodies 220 pass through the fixing base 210 to be electrically connected with the protector 310 and the starter 120, respectively.

It should be noted that, the terminal body 220 is provided with at least four, for example, four, five or 6, please refer to fig. 3-5. The adjacent terminal bodies 220 are provided with gaps, so that wiring in circuit connection is facilitated, and the circuit connection requirements of tap motors with different connector numbers can be met. The welding plate 320 is arranged on the binding post 200, and the welding plate 320 is convenient for connecting cables, so that the stability of cable connection is ensured; the outer contour of the fixing base 210 is provided with a rounded corner, the rounded corner enables the contour of the fixing base 210 to be smooth, cables and staff cannot be scratched in the use process, and the practicability of the binding post 200 is improved. In addition, a plastic insulator is provided at the junction of the binding post 200 and the fixing base 210, and the insulator prevents the binding posts 200 from contacting each other.

The tap motor comprises a motor body and a winding module 110, the winding module 110 comprises a main winding 112 and an auxiliary winding 111, one end of the main winding 112 is electrically connected with one end of the auxiliary winding 111, the other end of the main winding 112 is electrically connected with a starter 120, and the other end of the auxiliary winding 111 is electrically connected with a protector 310.

When the wiring terminal 200 is used, the wiring terminal 200 is conducted with the tapping motor, and when the overload current of the tapping motor is overlarge, the overload current flows through the protector 310, the contact point in the protector 310 is disconnected, and the current is cut off, so that the tapping motor is protected; when the tap motor is connected with current, the starting current is large or the current is lower than the working current of the tap motor, and the starter 120 protects the tap motor to start smoothly when the voltage is low or when the voltage is high.

The protector 310 is electrically connected to any one of the terminal bodies 220, and the remaining terminal bodies 220 are electrically connected to the starter 120.

Referring to fig. 6, the main winding 112 includes a first sub-winding ABCD, a second sub-winding 1234, and a first bridge wire; the first and second sub-windings ABCD and 1234 each include a plurality of winding coils; the first sub-winding ABCD is connected to one end of the first bridge wire; the second sub-winding 1234 is connected to the other end of the first bridge wire; the first bridge wire is provided with a first switch K1; when the first switch is closed, the first sub-winding ABCD and the second sub-winding 1234 are connected in series; when the first switch K1 is turned off, the first sub-winding ABCD and the second sub-winding 1234 are connected in parallel.

The second and third bridge lines are provided with a first switch K2. The first sub-winding ABCD is connected to one end of the first bridge wire; a second sub-winding 1234 is connected to the other end of the first across-bridge line. The first sub-winding ABCD has a first connection terminal a and a second connection terminal b; the second sub-winding 1234 has a third connection terminal c and a fourth connection terminal d. The second bridging line is connected between the first wiring terminal a and the third wiring terminal c; the third bridge wire is connected between the second connection terminal b and the fourth connection terminal d.

When the first switch K1 is closed and the second switch K2 is opened, the first sub-winding ABCD and the second sub-winding 1234 are connected in series; when the first switch K1 is opened and the second switch K2 is closed, the first sub-winding ABCD and the second sub-winding 1234 are connected in parallel.

Referring to fig. 7, in the circuit, the winding connection mode may be selected as follows:

2.3 4 and 5 connections

1 7 6

Major and minor neutral line

The starter 120 includes a starter relay having a first contact, a second contact and an armature, the other end of the main winding 112 being electrically connected to the armature, the other end of the sub-winding 111 being electrically connected to the first contact, the second contact being for connection to an external circuit.

When the starting relay is electrified, the current is larger, the first contact and the second contact attract the auxiliary winding 111 to be connected, the main winding 112 is connected with the winding in parallel and is connected through the second switch K2, after the starting is completed, the second switch K2 is disconnected, the first switch K1 is closed, the series loop of the main winding 112 is connected, the parallel loop of the main winding 112 is disconnected, the auxiliary winding 111 is disconnected, the current runs on the series connection line of the main winding 112 (namely, the windings DCBA 4321 are connected in series), and the moment is large when the motor is started due to small parallel resistance of the main winding 112, so that the starting performance of the motor is improved. After the start-up is completed, current flows through the series connection circuit of the main winding 112, and motor efficiency can be ensured.

The circuit design of the embodiment can improve the starting moment of the tap motor by 10-50%. When the motor is started, the first sub-winding and the second sub-winding are connected in parallel, and the resistance value is smaller, so that the current passing through the whole circuit is larger, the starting moment of the motor is larger, and the starting performance of the motor can be improved. After starting, the first sub-winding and the second sub-winding are connected in series during operation, the resistance value is large, the current of the whole circuit is smaller than the starting current, and the normal operation of the motor is still ensured.

Similar embodiments may also be: referring to fig. 8, the starter 120 includes a starter relay, a starter capacitor and a resistor, wherein the starter relay has a first contact, a second contact and an armature, the other end of the main winding 112 is electrically connected with the armature, the other end of the auxiliary winding 111 is electrically connected with the first contact, one end of the starter capacitor is connected with the second contact after being connected with the resistor in parallel, and the other end of the starter capacitor is connected with the armature and connected with an external circuit.

When the starting relay is electrified, the current is larger, the first contact and the second contact are attracted to the auxiliary winding 111, the starting capacitor is connected, the main winding 112 is connected with the winding in parallel and is connected through the second switch K2, after the starting is completed, the second switch K2 is disconnected, the first switch K1 is closed, the main winding 112 is connected in series, the main winding 112 is connected with the parallel, the auxiliary winding 111 is disconnected, the current runs in the series connection of the main winding 112 (namely, the windings DCBA 4321 are connected in series), the parallel resistance of the main winding 112 is small, the moment is large during the starting of the motor, and the starting performance of the motor is improved. After the start-up is completed, current flows through the series connection circuit of the main winding 112, and motor efficiency can be ensured.

Similar embodiments may also be: referring to fig. 9, the starter 120 includes a PTC starter and a starting capacitor connected in parallel with each other, the other end of the main winding 112 is connected to the PTC starter and the starting capacitor, and the other end of the sub-winding 111 is connected to the PTC starter and the starting capacitor.

When the PTC starter is started, the current is larger, the PTC starter is connected with the auxiliary winding 111, the starting capacitor is connected, the main winding 112 is connected with the winding in parallel and is connected through the second switch K2, after the starting is completed, the second switch K2 is disconnected, the first switch K1 is closed, the series loop of the main winding 112 is connected, the parallel loop of the main winding 112 is disconnected, the auxiliary winding 111 is disconnected, the current runs in the series connection of the main winding 112 (namely, the windings DCBA 4321 are connected in series), and the moment is large when the motor is started due to the fact that the parallel resistance of the main winding 112 is small, so that the starting performance of the motor is improved. After the start-up is completed, current flows through the series connection circuit of the main winding 112, and motor efficiency can be ensured.

Similar embodiments may also be: referring to fig. 10, the starter 120 includes a triac, a first thermistor and a second thermistor, wherein the other end of the main winding 112 is connected to a first end of the triac, one end of the first thermistor is connected to one end of the second thermistor, the other end of the first thermistor is connected to a second end of the triac, and the other end of the second thermistor is connected to a third end of the triac.

When the electronic (low power consumption) starter 120 is started, the current is larger, the bidirectional thyristor is connected with the auxiliary winding 111, the starting capacitor is connected, the main winding 112 is connected with the winding in parallel and is connected through the second switch K2, after the starting is completed, the second switch K2 is disconnected, the first switch K1 is closed, the main winding 112 is connected in series, the main winding 112 is connected with the parallel, the auxiliary winding 111 is disconnected, the current runs in the series connection of the main winding 112 (namely, the winding DCBA 4321 is connected in series), and the moment is large when the motor is started because the parallel resistance of the main winding 112 is small, so that the starting performance of the motor is improved. After the start-up is completed, current flows through the series connection circuit of the main winding 112, and motor efficiency can be ensured.

In a similar embodiment, referring to fig. 11, winding module 110 includes a primary winding 112 and a secondary winding 111. The main winding 112 includes a first sub-winding ABCD, a second sub-winding 1234, a first bridge wire, a second bridge wire, and a third bridge wire. The first bridge line is provided with a first switch K1. The second and third bridge lines are provided with a first switch K2.

In the circuit, one end of a first bridge wire is connected between a plurality of winding coils of a first sub-winding ABCD; the other end of the first bridge wire is connected to the connection terminal of the second sub-winding 1234.

When the starter 120 is operated, a large current flows through the auxiliary winding 111, the main winding 112 is connected in parallel with the winding and is connected through the second switch K2, and the main winding 112 is connected in parallel with the line (namely, the winding DCBA4321 is connected in parallel). After the starting is finished, the second switch K2 is opened, the first switch K1 is closed, current runs in the series connection of the main winding 112 (namely, the windings DC 4321 are connected in series), and the moment is large when the motor is started due to small parallel resistance of the main winding 112, so that the starting performance of the motor is improved. After the start-up is completed, current flows through the series connection circuit of the main winding 112, and motor efficiency can be ensured.

The circuit design of the embodiment can improve the starting moment of the tap motor by 10-50%.

A similar implementation may be: referring to fig. 12, a winding module 110 includes a capacitor, a main winding 112, and an auxiliary winding 111. The main winding 112 includes a first sub-winding ABCD, a second sub-winding 1234, and a first bridge wire. The first sub-winding ABCD is connected to one end of the first bridge wire; a second sub-winding 1234 is connected to the other end of the first across-bridge line. The plurality of winding coils of the first sub-winding ABCD are connected in parallel; the plurality of winding coils of the second sub-winding 1234 are connected in series.

The first sub-winding ABCD is provided with a switch at one end connected to the sub-winding 111. When the switch is closed, the first sub-winding ABCD and the sub-winding 111 form a closed loop. When the switch is opened, the first and second sub-windings ABCD, 1234 are connected in series to form a closed loop with the auxiliary winding 111.

When the starting relay is energized, the current is larger, the switch is closed, and the current flows through the auxiliary winding 111 and is connected with the main winding 112 in parallel (namely, the windings DCBA4321 are connected in parallel). After the starting is finished, the switch is opened, current runs in the two-string two-parallel connection wire of the main winding 112 (namely, the windings DC 4321 are connected in series), and the motor starting performance is improved due to the fact that the parallel resistance of the main winding 112 is small and the moment is large during the motor starting. After the start-up is completed, current flows through the series connection circuit of the main winding 112, and motor efficiency can be ensured.

Further, in this embodiment, a switch may be optionally disposed on the first bridge line, such that when the switch is closed, the first sub-winding ABCD and the second sub-winding 1234 are connected in series; when the switch is open, the first and second sub-windings ABCD and 1234 are connected in parallel.

It should be noted that, the switch may be alternatively not set, and only the first bridge line may be set. The capacitor can be set alternatively.

Similar embodiments may also be: the winding module 110 includes a main winding 112 and an auxiliary winding 111; the main winding 112 is connected to both ends of the auxiliary winding 111; the main winding 112 includes a plurality of sub-windings and a plurality of gap bridge wires; every two sub windings are connected to two ends of a bridge wire; each bridge wire is provided with a switch; when the switch is closed, the two sub-windings are connected in series; when the switch is opened, the two sub-windings are connected in parallel.

Similar embodiments may also be: the winding module 110 includes a main winding 112 and an auxiliary winding 111; the main winding 112 is connected to both ends of the auxiliary winding 111; the main winding 112 includes a plurality of winding coils, a first switch, and a second switch; the first switch is arranged between two adjacent winding coils; the second switch is arranged at two ends of at least one winding coil; when the first switch is closed and the second switch is opened, the plurality of winding coils are connected in series and then connected to the auxiliary winding 111; when the second switch is closed and the first switch is opened, at least one winding coil is disconnected from the motor winding circuit.

Referring to fig. 13, current is started through main winding 112dc, and ba is turned off. The main winding 112DCBA is on after start-up is completed.

Similar embodiments may also be: the winding module 110 includes a main winding 112 and an auxiliary winding 111; the auxiliary winding 111 is connected to both ends of the main winding 112; the auxiliary winding 111 includes a plurality of winding coils, a first switch, and a second switch; the first switch is arranged between two adjacent winding coils; the second switch is arranged at two ends of at least one winding coil; when the first switch is closed and the second switch is opened, the plurality of winding coils are connected in series and then connected to the main winding 112; when the second switch is closed and the first switch is opened, at least one winding coil is disconnected from the motor winding circuit.

Referring to fig. 14, current is shown flowing through secondary winding 111ba at start-up, dc being off. The main winding 112DCBA is on after start-up is completed.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The tapping motor assembly is characterized by comprising a tapping motor, a wiring terminal, a protector and a starter;

The wiring terminal comprises a fixed seat and at least four wiring terminal bodies, the wiring terminal bodies are connected with the fixed seat, and the protector and the starter are respectively and electrically connected with the wiring terminal bodies;

The tap motor comprises a motor body and a winding module, wherein the winding module comprises a main winding and an auxiliary winding, one end of the main winding is electrically connected with one end of the auxiliary winding, the other end of the main winding is electrically connected with the starter, and the other end of the auxiliary winding is electrically connected with the protector;

A first switch is arranged on the first bridge wire; when the first switch is closed, the first sub-winding and the second sub-winding are connected in series; when the first switch is opened, the first sub-winding and the second sub-winding are connected in parallel.

2. The tap motor assembly of claim 1, wherein the winding module further comprises a second bridge wire and a third bridge wire;

A second switch is arranged on each of the second bridge crossing line and the third bridge crossing line;

When the first switch is closed and the second switch is opened, the first sub-winding and the second sub-winding are connected in series; when the first switch is opened and the second switch is closed, the first sub-winding and the second sub-winding are connected in parallel.

3. The tap motor assembly of claim 2, wherein the first sub-winding has a first terminal and a second terminal, and the second sub-winding has a third terminal and a fourth terminal;

The second bridge wire is connected between the first wiring terminal and the third wiring terminal, and the third bridge wire is connected between the second wiring terminal and the fourth wiring terminal.

4. The tap motor assembly of claim 1, wherein the end of the first sub-winding connected to the auxiliary winding is provided with a second switch;

when the second switch is closed, the first sub-winding and the auxiliary winding form a closed loop;

When the second switch is opened, the first sub-winding and the second sub-winding are connected in series and then form a closed loop with the auxiliary winding.

5. The tapping motor assembly is characterized by comprising a tapping motor, a wiring terminal, a protector and a starter;

The tap motor comprises a motor body and a winding module, wherein the winding module comprises a main winding and an auxiliary winding, one end of the main winding is electrically connected with one end of the auxiliary winding, the other end of the main winding is electrically connected with the starter, and the other end of the auxiliary winding is electrically connected with the starter;

The main winding comprises a plurality of sub windings and a plurality of bridge wires; each two sub-windings are connected to two ends of one bridge wire; a switch is arranged on each bridge crossing line; when the switch is closed, the two sub-windings are connected in series; when the switch is turned off, the two sub-windings are connected in parallel.

6. The tapping motor assembly is characterized by comprising a tapping motor, a wiring terminal, a protector and a starter;

The main winding comprises a plurality of winding coils, a first switch and a second switch; the first switch is arranged between two adjacent winding coils; the second switch is arranged at two ends of at least one winding coil;

When the first switch is closed and the second switch is opened, a plurality of winding coils are connected in series and then connected to the auxiliary winding; at least one of the winding coils is disconnected from the winding module when the second switch is closed and the first switch is opened.

7. The tapping motor assembly is characterized by comprising a tapping motor, a wiring terminal, a protector and a starter;

The auxiliary winding comprises a plurality of winding coils, a first switch and a second switch; the first switch is arranged between two adjacent winding coils; the second switch is arranged at two ends of at least one winding coil;

When the first switch is closed and the second switch is opened, a plurality of winding coils are connected in series and then connected to the main winding; at least one of the winding coils is disconnected from the winding module when the second switch is closed and the first switch is opened.

8. The tap motor assembly of any one of claims 1-7, wherein the starter comprises a starter relay having a first contact, a second contact and an armature, the other end of the primary winding being electrically connected to the armature, the other end of the secondary winding being electrically connected to the first contact, the second contact being for connection to an external circuit.

9. A tap motor assembly according to any one of claims 1-7, wherein the starter comprises a PTC starter and a starting capacitor connected in parallel with each other, the other end of the main winding being connected to the PTC starter and the starting capacitor, the other end of the auxiliary winding being connected to the PTC starter and the starting capacitor.

10. The tap motor assembly of any one of claims 1-7, wherein the starter comprises a triac, a first thermistor, and a second thermistor, the other end of the main winding is connected to a first end of the triac, one end of the first thermistor is connected to one end of the second thermistor, the other end of the first thermistor is connected to the triac second end, and the other end of the second thermistor is connected to the triac third end.