CN220254271U

CN220254271U - Motor and air conditioner

Info

Publication number: CN220254271U
Application number: CN202321690014.1U
Authority: CN
Inventors: 许鸣飞; 於建东; 陈建英
Original assignee: Jiangsu Huayang Intelligent Equipment Co ltd
Current assignee: Jiangsu Huayang Intelligent Equipment Co ltd
Priority date: 2023-06-29
Filing date: 2023-06-29
Publication date: 2023-12-26
Anticipated expiration: 2033-06-29

Abstract

The utility model discloses a motor and an air conditioner. The motor includes: the circuit board comprises a shell, a circuit board and a wire protection box, wherein the shell is provided with an installation part; the circuit board is arranged on the mounting part, a first welding surface suitable for being connected with the stator winding is arranged at one end of the circuit board facing the stator winding, and a second welding surface suitable for being connected with the lead wire is arranged at one end of the circuit board facing away from the first welding surface; the wire protection box is arranged on the shell and is positioned at the installation part, and a wire routing part for routing the lead wires is arranged on one side of the second welding surface of the wire protection box. The lead wire is connected to the second welding surface, so that the lead wire can be prevented from being bent from the inner side of the circuit board, the wire protecting box is arranged on one side of the second welding surface and is provided with a wire routing part, the lead wire can directly pass through the wire routing part, and therefore the lead wire can be prevented from being bent and outgoing, and the wire routing part can also play a role in protecting the lead wire.

Description

Motor and air conditioner

Technical Field

The utility model relates to the technical field of motors, in particular to a motor, namely an air conditioner.

Background

In the related art, the lead wire of the motor is generally connected with the motor winding through the circuit board as a transfer interface, and the lead wire needs to be bent for a plurality of times when being led out from the circuit board, the lead wire bending stress is easy to drop from the circuit board due to extrusion and pulling, and the lead wire is easy to cause the damage of the wire skin and the like due to a plurality of times of bending, so that the electrifying operation of the motor is influenced.

Therefore, a new technical solution is needed to solve the above technical problems.

Disclosure of Invention

An object of the utility model is to provide a new solution for an electric machine.

According to a first aspect of the present utility model, an electric machine is provided. The motor includes:

a housing provided with an installation part;

the circuit board is arranged on the mounting part, a first welding surface is arranged at one end of the circuit board facing the stator winding, and a second welding surface is arranged at one end of the circuit board facing away from the first welding surface;

the wire protection box is arranged on the shell and is positioned at the installation part, and a wire routing part for routing a wire is arranged on one side of the second welding surface of the wire protection box;

wherein the first welding surface is adapted to be connected to the stator winding and the second welding surface is adapted to be connected to the lead wire.

Optionally, the routing part is an arc notch, and the lead can pass through the arc notch to be connected to the second welding surface.

Optionally, the wire protection box is clamped to the shell.

Optionally, the wire protection box is provided with a buckle, and the shell is provided with a clamping interface matched with the buckle.

Optionally, the wire protection box is further provided with a limiting groove, the shell is provided with an abutting portion, and the abutting portion can abut against the inner wall of the limiting groove.

Optionally, the casing is cylindric, the protection line box is keeping away from the one end of buckle is equipped with arc butt wall, arc butt wall can the butt in the lateral wall of casing.

Optionally, the wire protection box is provided with a protruding portion, and the protruding portion can be abutted to the second welding surface.

Optionally, the protruding portion is provided with a plurality of, and a plurality of protruding portions are located respectively the relative both ends of wire protection box.

Optionally, the motor further includes a cover plate, and the cover plate can be covered and arranged at the opening end of the wire protection box far away from the shell.

According to a second aspect of the present utility model, there is provided an air conditioner. The air conditioner comprises an air conditioner external unit and the motor of the embodiment of the first aspect, wherein the motor is arranged on the air conditioner external unit.

The technical effect of this application lies in, and the one end of circuit board orientation stator winding is equipped with first welding face, and first welding face is used for being connected with stator winding, and the circuit board is equipped with the second welding face in the one end that deviates from first welding face, and the second welding face is used for being connected with the lead wire, and the protection line box is equipped with the wiring portion that is used for the lead wire to walk the line in one side of second welding face. The lead wire is connected to the second welding surface, so that the wire can be prevented from being bent from the inner side of the circuit board, the wire protecting box is arranged on one side of the second welding surface and is provided with a wire part, the lead wire can directly pass through the wire part, the lead wire can be prevented from being bent and outgoing, and the wire part can also play a role in protecting the lead wire.

Other features of the present utility model and its advantages will become apparent from the following detailed description of exemplary embodiments of the utility model, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic structural view of a motor according to an embodiment of the present application.

Fig. 2 is a schematic structural view of a cord protection case according to an embodiment of the present application.

Reference numerals:

1. a motor; 11. a housing; 12. a circuit board; 13. a wire protection box; 131. a wiring part; 132. a buckle; 133. a limit groove; 134. arc-shaped abutment walls; 135. a boss; 136. an open end; 14. and (5) a lead wire.

Detailed Description

Various exemplary embodiments of the present utility model will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present utility model unless it is specifically stated otherwise.

The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the utility model, its application, or uses.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.

In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.

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 discussion thereof is necessary in subsequent figures.

According to one embodiment of the present application, an electric machine 1 is provided. Referring to fig. 1 and 2, the motor 1 includes: a housing 11, a wiring board 12, and a wire-protecting case 13. The housing 11 is provided with a mounting portion. The circuit board 12 is mounted on the mounting portion, a first welding surface is disposed at one end of the circuit board 12 facing the stator winding, and a second welding surface is disposed at one end of the circuit board facing away from the first welding surface. The wire protecting box 13 is mounted on the housing 11 and is located at the mounting portion, and a wire routing portion 131 for routing the lead wires 14 is disposed on one side of the second welding surface of the wire protecting box 13. Wherein the first welding surface is adapted to be connected to the stator winding and the second welding surface is adapted to be connected to the lead wire 14.

In this example, the housing 11 is provided with a mounting portion to which the wiring board 12 can be fixedly mounted. The circuit board 12 is equipped with first welding face towards stator winding's one end, and first welding face is used for being connected with stator winding, and the circuit board 12 is equipped with the second welding face in the one end that deviates from first welding face, and the second welding face is used for being connected with lead wire 14, and the wire protection box 13 is equipped with the wiring portion 131 that is used for lead wire 14 to walk line in one side of second welding face. The lead 14 is connected to the second welding surface, so that the lead can be prevented from being bent from the inner side of the circuit board 12, the wire protecting box 13 is provided with the wire protecting part 131 at one side of the second welding surface, and the lead 14 can directly pass through the wire protecting part 131, so that the lead 14 can be prevented from being bent and out of the wire, the lead 14 is prevented from being broken or worn, and the wire protecting part 131 can also protect the lead 14.

In this example, a housing 11 is provided with a receiving cavity therein, and a stator winding is provided in the receiving cavity, which may be an enamel wire. The side wall of the housing 11 is provided with a mounting portion for fixing the wiring board 12. The circuit board 12 has a double-sided soldering structure. The end of the circuit board 12 facing the stator winding is a first welding surface, and the terminal of the stator winding is connected to the first welding surface. The first welding face is arranged towards the stator winding, so that the stator winding can be more conveniently connected.

In this example, the circuit board 12 is provided with a second soldering surface at an end facing away from the first soldering surface. That is, the surface of the circuit board 12 facing outward is the second soldering surface. The lead wire 14 of the motor 1 is connected to the second soldering surface. The circuit board 12 is provided with the second welding surface at the end facing the outer side, so that the wire can be prevented from being bent from the inner side of the circuit board 12 when the leads 14 are connected, the connection stability of the leads 14 is facilitated, and the leads 14 are prevented from falling off from the circuit board 12.

In this example, a plurality of pads are provided on the wiring board 12 for soldering the leads 14. The lead 14 is provided with a plurality of, for example, 5, etc. Those skilled in the art will recognize the actual situation, and are not particularly limited herein.

In this example, the motor 1 further comprises a wire protection box 13, which can protect the lead wires 14. The wire-protecting case 13 is attached to the case 11, not at the attachment portion, and can also function to fix the wiring board 12. The wire protecting box 13 is provided with a wire routing part 131, and the wire routing part 131 is positioned on one side of the second welding surface. That is, the trace 131 and the second soldering surface may be located on the agreeing plane. The lead 14 can pass through the trace 131 and is connected to the second bonding surface. The trace portion 131 and the second welding surface are located on the agreeing plane, so that the lead 14 can be taken out from the trace portion 131 without bending the trace edge, and damage to the outer skin of the lead 14 due to bending is avoided. The lead 14 is led out from the routing portion 131, and the routing portion 131 can also limit and protect the lead 14, so that the lead 14 and other parts are prevented from being wound.

In this example, the wire-protecting case 13 may be made of plastic, for example, a PVC flame-retardant wire-protecting case may be used, and the hardness is high. Of course, the material of the wire-protecting box 13 is not limited to the above embodiment, and those skilled in the art can determine the material according to the practical situation.

In one example, referring to fig. 2, the trace 131 is an arc notch through which the lead 14 can pass to connect to the second soldering surface.

In this example, referring to fig. 2, the wire-protecting case 13 is provided with an arc-shaped notch, which may serve as the routing part 131. The lead 14 can pass through the arc-shaped notch, and one end of the lead 14 is connected to the circuit board 12, and the other end is connected to an external power line.

In this example, the inner wall of the arcuate notch is an arcuate configuration. The plurality of leads 14 are disposed in the arcuate notch, and the arcuate wall structure prevents extrusion of the plurality of leads 14.

Of course, the trace portion 131 may have other structures, and those skilled in the art may be determined according to practical situations, which are not particularly limited herein.

In one example, the wire-protecting case 13 is clamped to the housing 11.

In this example, the grommet 13 may be engaged with the housing 11. The wire protection box 13 is connected to the shell 11 in a clamping manner, and the connection manner is simple and convenient, so that the assembly efficiency of the motor 1 is higher.

Of course, the wire-protecting case 13 may be connected to the housing 11 in other manners. For example, the fastening may be performed by a fastener, etc., and those skilled in the art may be determined according to actual circumstances, and are not particularly limited herein.

In one example, referring to fig. 2, the cord box 13 is provided with a buckle 132, and the housing 11 is provided with a card interface that mates with the buckle 132.

In this example, the cord box 13 may be snapped to the housing 11 by a snap 132. That is, the grommet 13 is provided with the buckle 132, and the housing 11 is provided with the card interface to be engaged with the buckle 132. The wire protecting box 13 can be clamped at the clamping opening through the clamp 132 to be fixedly connected to the shell 11.

In this example, the wire-protecting case 13 may be provided with a plurality of buckles 132 to enhance the securing of the clamping. For example, referring to fig. 2, a buckle 132 may be provided at each of opposite ends of the cord guard 13, so that the connection is stable and convenient.

Of course, the number and the position of the buckles 132 are not limited to the above embodiment, and those skilled in the art can determine the actual situation.

In one example, referring to fig. 2, the wire-protecting case 13 further includes a limiting groove 133, and the housing 11 includes an abutting portion capable of abutting against an inner wall of the limiting groove 133.

In this example, the wire protecting box 13 is further provided with a limiting groove 133, and the housing 11 is provided with an abutting portion matched with the limiting groove 133 for abutting against the inner wall of the limiting groove 133, so as to fix and limit the wire protecting box 13.

In this example, when the buckle 132 of the wire protection box 13 is engaged with the engagement opening of the housing 11, the abutting portion of the housing 11 can abut against the inner wall of the limiting groove 133, so that the wire protection box 13 can be engaged with the buckle 132, and the housing 11 can be stably mounted.

In this example, the abutting portion may be a protruding block provided on the housing 11, and the structure of the protruding block is matched with the structure of the limiting groove 133, so that the protruding block can be completely embedded in the limiting groove 133, so as to improve the fixing and limiting effects.

In this example, the wire-protecting case 13 may be provided with a plurality of stopper grooves 133, and the housing 11 is provided with abutting portions corresponding to the stopper grooves 133. For example, the limiting grooves 133 are disposed at two opposite ends of the wire protecting case 13 corresponding to the positions of the buckles 132, so as to improve the fixing and limiting effects.

Of course, the number and the position of the limiting grooves 133 are not limited to the above embodiment, and those skilled in the art can determine the actual situation.

In one example, the housing 11 has a cylindrical structure, and the wire protecting box 13 is provided with an arc-shaped abutment wall 134 at an end far from the buckle 132, and the arc-shaped abutment wall 134 can abut against a side wall of the housing 11.

In this example, referring to fig. 2, the grommet 13 is provided with an arc-shaped abutment wall 134 at an end remote from the buckle 132, and the arc-shaped abutment wall 134 can abut against a side wall of the housing 11. The side wall of the shell 11 is of an arc surface structure, and the wire protection box 13 is provided with an arc-shaped abutting wall 134 matched with the side wall of the shell 11, so that the side wall of the shell 11 can be completely attached. Thereby enabling to improve the stability of the installation of the grommet 13.

In this example, referring to fig. 2, one end of the wire-protecting case 13 is provided with a buckle 132, and the other end is provided with an arc-shaped abutment wall 134, so that one end of the wire-protecting case 13 is clamped to the housing 11, and the other end abuts against the side wall of the housing 11, so that the wire-protecting case 13 can be stably fixed to the housing 11.

In one example, referring to fig. 2, the wire-protecting case 13 is provided with a protrusion 135, and the protrusion 135 can abut against the second welding surface.

In this example, referring to fig. 2, the wire protecting case 13 is further provided with a protrusion 135, and when the wire protecting case 13 is mounted on the housing 11, the protrusion 135 can abut against the second soldering surface of the circuit board 12, thereby fixing the circuit board 12 and improving the stability of the circuit board 12.

In one example, referring to fig. 2, a plurality of protrusions 135 are provided, and the protrusions 135 are respectively located at opposite ends of the wire-protecting case 13.

In this example, referring to fig. 2, a plurality of protruding portions 135 are provided, and the plurality of protruding portions 135 are located at opposite ends of the grommet 13, respectively. When the grommet 13 is mounted to the housing 11, the protruding portions 135 at both ends can be provided at both opposite ends of the wiring board 12, respectively, so that the fixing effect on the wiring board 12 can be improved.

Of course, two ends of the wire protecting box 13 may be provided with one protruding portion 135, or two, three, etc., and those skilled in the art may depend on the actual situation, and are not limited herein.

In one example, the motor 1 further includes a cover plate that can be covered on the wire-protecting case 13 away from the open end 136 of the housing 11.

In this example, the motor 1 further includes a cover plate that can cover the open end 136 of the wire-protecting case 13 at an end far from the housing 11 to cover the open end 136 of the wire-protecting case 13 for dust prevention.

According to another embodiment of the present application, an air conditioner is provided. The air conditioner includes an air conditioner external unit and the motor 1 of the above embodiment. The motor 1 is arranged in the air conditioner external unit and can drive a fan of the air conditioner external unit to rotate.

In this example, the motor 1 includes a housing 11, a wiring board 12, and a wire-protecting case 13. The housing 11 is provided with a mounting portion to which the wiring board 12 can be fixedly mounted. The circuit board 12 is equipped with first welding face towards stator winding's one end, and first welding face is used for being connected with stator winding, and the circuit board 12 is equipped with the second welding face in the one end that deviates from first welding face, and the second welding face is used for being connected with lead wire 14, and the wire protection box 13 is equipped with the wiring portion 131 that is used for lead wire 14 to walk line in one side of second welding face. The lead 14 is connected to the second welding surface, so that the lead can be prevented from being bent from the inner side of the circuit board 12, the wire protecting box 13 is provided with the wire protecting part 131 at one side of the second welding surface, the lead 14 can directly pass through the wire protecting part 131, the lead 14 can be prevented from being bent and outgoing, and the wire protecting part 131 can also protect the lead 14.

Of course, the air conditioner of the embodiment of the present application further has at least all the beneficial effects of the above embodiment, and will not be described herein.

The foregoing embodiments mainly describe differences between the embodiments, and as long as there is no contradiction between different optimization features of the embodiments, the embodiments may be combined to form a better embodiment, and in consideration of brevity of line text, no further description is given here.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. An electric machine, comprising:

a housing (11) provided with an installation part;

the circuit board (12) is arranged on the mounting part, a first welding surface is arranged at one end of the circuit board (12) facing the stator winding, and a second welding surface is arranged at one end of the circuit board facing away from the first welding surface;

a wire protection box (13) which is arranged on the shell (11) and is positioned at the installation part, wherein a wire routing part (131) for routing a lead (14) is arranged on one side of the second welding surface of the wire protection box (13);

wherein the first welding surface is adapted to be connected to the stator winding and the second welding surface is adapted to be connected to the lead wire (14).

2. The electric machine according to claim 1, characterized in that the trace (131) is an arc-shaped notch through which the lead (14) can pass for connection to the second soldering surface.

3. The electric machine according to claim 1, characterized in that the wire-protecting box (13) is clamped to the housing (11).

4. A machine according to claim 3, characterized in that the wire-protecting box (13) is provided with a catch (132), and the housing (11) is provided with a catch interface cooperating with the catch (132).

5. The motor according to claim 4, characterized in that the wire-protecting box (13) is further provided with a limit groove (133), and the housing (11) is provided with an abutment portion capable of abutting against an inner wall of the limit groove (133).

6. The motor according to claim 4, characterized in that the housing (11) is cylindrical, the wire-protecting box (13) is provided with an arc-shaped abutment wall (134) at one end far away from the buckle (132), and the arc-shaped abutment wall (134) can abut against the side wall of the housing (11).

7. The electric machine according to claim 1, characterized in that the wire-protecting box (13) is provided with a protruding portion (135), the protruding portion (135) being able to abut against the second welding surface.

8. The electric machine according to claim 7, characterized in that the protruding portion (135) is provided in plural, and the protruding portions (135) are respectively located at opposite ends of the grommet (13).

9. The electric machine according to claim 1, characterized in that the electric machine (1) further comprises a cover plate, which can be covered at an open end (136) of the wire-protecting box (13) remote from the housing (11).

10. An air conditioner, comprising:

an air conditioner external unit;

the electric machine according to any one of claims 1 to 9, the electric machine (1) being mounted to the air conditioner external unit.