CN212838524U

CN212838524U - Controller subassembly, electric fan and dust catcher

Info

Publication number: CN212838524U
Application number: CN202021833811.7U
Authority: CN
Inventors: 彭敏; 杨继峰; 乔正忠; 熊美健; 吴魁
Original assignee: Guangdong Welling Motor Manufacturing Co Ltd; Welling Wuhu Motor Manufacturing Co Ltd
Current assignee: Guangdong Welling Motor Manufacturing Co Ltd; Welling Wuhu Motor Manufacturing Co Ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-03-30
Anticipated expiration: 2030-08-27

Abstract

The application provides a controller subassembly, electric fan and dust catcher, the controller subassembly includes: a circuit board; the power supply terminals comprise insertion pieces and welding legs which are connected, and the welding legs are connected to one ends of the insertion pieces in an angle mode; the welding leg is fixedly connected with the circuit board, and the inserting piece can be inserted into the power supply with the wiring terminal. According to the controller assembly, the circuit board introduces the power supply through the power supply terminal, the number of the inserting pieces and the welding pins of the power supply terminal can be set according to the practical application requirement of the electric fan, the number of the inserting pieces and the welding pins is increased, the cross section of a conductor can be increased, and then larger current can be borne, compared with a mode of welding access by using a power supply line, the controller assembly has the characteristic of high current resistance, the problem that the power of a motor is limited due to the use of the power supply line is avoided, the power of the motor is improved, and the controller assembly can be flexibly set; the installation is convenient and firm.

Description

Controller subassembly, electric fan and dust catcher

Technical Field

The application belongs to the technical field of household appliances, and particularly relates to a controller assembly, an electric fan and a dust collector.

Background

The high power and the miniaturization of motor for the dust catcher field are the technical direction of trade, and the introduction of power in the motor of dust catcher is mostly through with power cord lug weld on the control panel, however, adopts the motor of this kind of connected mode, because of the current-limiting problem of power cord, has restricted the promotion of motor power.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide a controller subassembly to solve the electric fan that exists among the prior art and owing to adopt the power cord welding to the limited technical problem of motor power that leads to on the control panel.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: there is provided a controller assembly comprising:

a circuit board;

the power supply terminals comprise inserting pieces and welding legs which are connected, and the welding legs are connected to one ends of the inserting pieces in an angle mode;

the welding leg is fixedly connected with the circuit board, and the inserting piece can be inserted into the wiring terminal to be connected with a power supply.

In one embodiment, the circuit board is provided with a connecting hole adapted to the solder leg, and the solder leg is inserted into and welded in the connecting hole.

In one embodiment, the insertion sheet is vertically connected with the welding feet, the power terminal is in an L shape, and a space is arranged between the insertion sheet and the circuit board.

In one embodiment, the power terminal comprises at least two insertion sheets, the insertion sheets are arranged in parallel and are arranged at intervals, the insertion sheets are fixedly connected through a connection sheet, and each insertion sheet is provided with at least one soldering lug.

In one embodiment, the power terminals are integrally stamped and formed.

In one embodiment, at least two of the soldering feet are arranged at one end of each insertion piece at intervals, each soldering foot is arranged on the corresponding insertion piece in a straight line shape, the soldering feet of each insertion piece surround to form a square shape, the circuit board is provided with a plurality of connecting holes, and the positions of the connecting holes correspond to the positions of the soldering feet one to one.

In one embodiment, the circuit board is circular, and an end of the insert away from the solder tail extends in a direction radially outward of the circuit board.

In one embodiment, the periphery of one side of the circuit board close to the power supply terminal is provided with a cut edge or a notch, and the inserting sheet extends to the cut edge or the notch.

In one embodiment, the length of the tab extends in a direction perpendicular to one of the cut edge or the notch.

In one embodiment, a distance between corresponding two of the connection holes between any two of the power terminals is set to be greater than 0.5 mm.

In one embodiment, the controller assembly further comprises a plurality of wiring terminals, and each plug-in strip is plugged with the wiring terminals.

In one embodiment, the insertion piece is provided with a clamping hole, a buckle matched with the clamping hole is arranged at the position, corresponding to the clamping hole, of the connecting terminal, and the buckle is clamped into the clamping hole when the connecting terminal is inserted into the insertion piece.

In one embodiment, the controller assembly further comprises a chip disposed on one side of the circuit board, and the chip is electrically connected to the power terminals through the traces on the circuit board.

Another object of the present application is to provide an electric fan comprising the above controller assembly.

Another object of the present application is to provide a vacuum cleaner, which includes the above electric blower.

The beneficial effect of the controller subassembly that this application provided lies in: compared with the prior art, the controller assembly has the advantages that the circuit board introduces power through the power supply terminal, the quantity of the inserting pieces and the welding pins of the power supply terminal can be set according to the practical application requirement of the electric fan, the quantity of the inserting pieces and the welding pins is increased, the cross section of a conductor can be increased, and then larger current can be borne, compared with a mode of welding access by using a power line, the controller assembly has the characteristic of high-current resistance, the problem of limited motor power caused by using the power line is avoided, the motor power is improved, and the controller assembly can be flexibly set; during installation, the welding pins of the power terminals are inserted and welded in the connecting holes of the circuit board, and then the wiring terminals are inserted into the insertion pieces, so that the power supply is connected, and the installation is convenient and firm.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a perspective view of a controller assembly provided by an embodiment of the present application;

FIG. 2 is a perspective view of the controller assembly of FIG. 1 with terminals plugged in;

FIG. 3 is a bottom view of the controller assembly of FIG. 1;

FIG. 4 is a bottom view of the circuit board of the controller assembly of FIG. 1;

FIG. 5 is a side view of the controller assembly shown in FIG. 1;

FIG. 6 is a perspective view of the power terminal in the controller assembly of FIG. 1;

FIG. 7 is a side view of the power terminal shown in FIG. 6;

FIG. 8 is a perspective view of the wire connection terminal of the controller assembly of FIG. 2;

fig. 9 is a side view of an electric fan provided in an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

10-a controller assembly; 20-an electric fan; 100-a circuit board; 200-a power supply terminal; 300-a wiring terminal; 110-connecting hole; 120-notch; 121-first side; 122-a second edge; 210-an insert sheet; 220-solder leg; 211-card hole; 221-a limiting part; 310-a conductive line; 320-a plug part.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 to 3 together, a controller assembly 10 according to an embodiment of the present application will now be described. The controller assembly 10 includes a circuit board 100 and at least two power terminals 200. The circuit board 100 is circular, and one side of the circuit board 100 may be provided with a flat portion for positioning on a rack mounted on the electric fan. As shown in fig. 6, the power terminal 200 includes a blade 210 and a leg 220 connected together, and the leg 220 is connected to one end of the blade 210 at an angle. As shown in fig. 2, 4 and 5, the solder leg 220 is fixed to the circuit board 100, and the plug 210 can be plugged into the terminal 300 to connect the power source.

The solder leg 220 and the insert 210 are made of conductive metal, and specifically, copper or other metal materials with good conductivity can be adopted; the leg 220 and the insert 210 can be an integral structure, and can be integrally welded and manufactured by adopting a stamping forming mode, the leg 220 and the insert 210 can also adopt a split structure, and the leg 220 and the insert 210 are welded and fixed together.

When the electric fan is a direct current motor, at least two power terminals 200 can be arranged, so that two power terminals 200 provide access of positive and negative power supplies, and the rest power terminals 200 provide power supplies for other corresponding modules; when the electric fan is an alternating current motor, at least three power terminals 200 can be provided, wherein the three power terminals 200 respectively provide power for the three-phase electrodes, and the rest power terminals 200 provide power for other corresponding modules. The quantity of inserted sheet 210 and leg 220 can set up according to electric fan machine practical application demand, increases the quantity of inserted sheet 210 and leg 220, can increase the cross section of conductor, and then can bear bigger electric current, can set up in a flexible way, satisfies the application demand of heavy current.

Compared with the prior art, the controller assembly 10 provided by the application has the advantages that the circuit board 100 introduces a power supply through the power supply terminal 200, the quantity of the inserting pieces 210 and the welding pins 220 of the power supply terminal 200 can be set according to the practical application requirement of the electric fan, the quantity of the inserting pieces 210 and the welding pins 220 is increased, the cross section of a conductor can be increased, and further larger current can be borne, compared with a mode of welding access by using a power supply line, the controller assembly has the characteristic of high current resistance, the problem of limited motor power caused by using the power supply line is avoided, the motor power is improved, and the controller assembly can be flexibly set; during installation, the welding pins 220 of the power terminals 200 are inserted and welded in the connecting holes 110 of the circuit board 100, and then the connecting terminals 300 are inserted into the insertion pieces 210, so that the power supply is connected, and the installation is convenient and firm.

In an embodiment, as shown in fig. 2, 4 and 5, the circuit board 100 is provided with a connection hole 110 adapted to the solder leg 220, the solder leg 220 is inserted into and soldered to the corresponding connection hole 110, and the insertion piece 210 can be inserted into the connection terminal 300 to connect to a power source. The insertion piece 210 has a rectangular cross section in the thickness direction, and the connection hole 110 has a rectangular cross section, which facilitates the insertion operation of the power terminal 200 on the circuit board 100.

In an embodiment, referring to fig. 5 to 7, the insertion piece 210 is vertically connected to the soldering terminal 220, and the power terminal 200 is L-shaped when viewed from the side, so that the power terminal 200 occupies a smaller space; the insertion piece 210 and the circuit board 100 are spaced from each other, so that the insertion operation of the connection terminal 300 and the insertion piece 210 is facilitated, and the circuit board 100 is not easily touched during insertion. Specifically, a limiting structure can be arranged on the solder leg 220, a limiting portion 221 with a width larger than that of the connecting hole 110 is arranged at one end of the solder leg 220 close to the insert 210, and the limiting portion 221 abuts against the circuit board 100; or one end of the solder leg 220 close to the insertion sheet 210 is provided with a variable diameter, so that the insertion sheet 210 cannot contact the circuit board 100 when the solder leg 220 is inserted into the connecting hole 110, and the circuit board 100 is prevented from being crushed by excessive force; or a limiting part can be arranged on one side of the inserting sheet 210 close to the welding leg 220.

In an embodiment, referring to fig. 3 and 6, the power terminal 200 includes at least two insertion pieces 210, and the insertion pieces 210 are arranged in parallel and spaced from each other; each inserting sheet 210 is fixedly connected through a connecting sheet, the connecting sheet is perpendicular to each inserting sheet 210, specifically, one connecting sheet can be welded on the bottom surface of each inserting sheet 210, the connecting sheet is perpendicular to the extending direction of the length of the inserting sheet 210, and the connecting sheet and the welding are positioned on the upper side and the lower side of the inserting sheet 210; each insert 210 is provided with at least one solder tail 220, and the number of the solder tails 220 on each insert 210 can be the same, or different or partially the same.

In an embodiment, referring to fig. 4, 6, and 7, two insertion pieces 210 are provided, each insertion piece 210 is provided with at least two welding feet 220 at intervals, each welding foot 220 is arranged on the corresponding insertion piece 210 in a straight line shape, the welding feet 220 of each insertion piece 210 are arranged in a square shape in an enclosing manner, that is, when machining is performed, rows of welding feet 220 at intervals can be punched on a metal sheet, and the number of the welding feet 220 punched on each metal sheet is the same, the positions of the welding feet are the same, and batch production is facilitated. The circuit board 100 is provided with a plurality of connecting holes 110, and the positions of the connecting holes 110 correspond to the positions of the solder tails 220 one by one, that is, the group of connecting holes 110 also enclose to form a square shape, so that the power terminal 200 is stable and is not easy to shake when being plugged. In one embodiment, as shown in fig. 4 and 6, two insertion pieces 210 are provided, the bottom surfaces of the insertion pieces 210 are welded and connected together by a connection piece, two welding feet 220 are arranged on each insertion piece 210 at intervals, four welding feet 220 surround a rectangle, and the corresponding four connection holes 110 also surround a rectangle.

In an embodiment, the power terminal 200 is integrally formed by stamping, that is, the metal plate is bent after being stamped with a structure, so that the insertion pieces 210 are arranged in parallel at intervals, and the power terminal is convenient to process and low in cost.

In an embodiment, referring to fig. 1 and fig. 3, the circuit board 100 is circular, and one end of the insertion piece 210 away from the soldering terminal 220 extends in a radial outward direction of the circuit board 100, that is, one end of the insertion piece 210 for connecting with an external power supply extends in a direction away from the circuit board 100, so that the insertion operation of the connection terminal 300 and the insertion piece 210 is facilitated, and the power supply access operation is convenient.

In an embodiment, the periphery of the circuit board 100 near the power terminal 200 is provided with a cut edge, and the extension direction of the length of the insertion sheet 210 is perpendicular to the cut edge, that is, a flat position can be arranged on the side of the circuit board 100 near the power terminal 200, the circuit board 100 is formed with a straight edge on the side, and the insertion sheet 210 is perpendicular to the straight edge, so that the insertion operation of the connection terminal 300 and the insertion sheet 210 is facilitated, and the installation of the connection terminal 300 is facilitated.

Referring to fig. 3 and 4, the periphery of the circuit board 100 near the power terminal 200 may also be provided with a notch 120, and the extension direction of the length of the insertion piece 210 is perpendicular to one side of the notch 120. The specific notch can be in a U shape, the length of the middle edge of the U-shaped notch is larger than that of the two side edges, and the inserting piece 210 is perpendicular to the middle edge of the U-shaped notch, so that the power supply can be conveniently accessed; referring to fig. 3 and 4, the notch 120 may have other shapes, and specifically, the notch 120 includes a first edge 121 and a second edge 122 connected to each other, both of the edges may be straight edges, the two edges are connected at an obtuse angle or at a right angle, the insert 210 is perpendicular to the second edge 122, the first edge 121 may also be curved, the second edge 122 is straight edge, and the joint between the first edge 121 and the second edge 122, the joint between the first edge 121 and the outer edge of the circuit board 100, and the joint between the second edge 122 and the outer edge of the circuit board 100 may be smoothly transitioned, so as to prevent the connector 300 and the insert 210 from scratching an operator during the plugging operation. As shown in fig. 3 and 4, the notch 120 includes a first side 121 and a second side 122 connected at an obtuse angle, the length of the first side 121 is less than that of the second side 122, and the insert 210 is perpendicular to the second side 122. That is, the circuit board 100 can achieve the purpose of facilitating the installation of the connection terminal 300 by providing the cut-outs or notches 120 at the periphery.

In one embodiment, referring to fig. 3 and 4, an end of the insertion piece 210 away from the solder tail 220 extends to the notch 120, so as to facilitate the insertion operation of the connection terminal 300 and the insertion piece 210 at the notch 120. The extending direction of the length of the inserting piece 210 can be set to be different from the radial direction of the circuit board 100 in a straight line, so that the notch 120 which is simple in structure and convenient for power access can be processed on the circuit board 100 conveniently, the notch 120 shown in fig. 3 can be processed specifically, the processing is convenient, the appearance of the processed circuit board 100 is attractive, and the power access is convenient.

In one embodiment, referring to fig. 3 and 4, the distance between the two corresponding connection holes 110 between any two power terminals 200 is set to be greater than 0.5 mm. That is to say, the power terminals 200 are provided in plurality, the circuit board 100 is correspondingly provided with a plurality of groups of connecting holes 110, and the distance between the groups of connecting holes 110 is set to be greater than 0.5mm, so that the solder legs 220 between the power terminals 200 have a large safety distance, and are not easily conducted when being welded on the circuit board 100, thereby causing a short circuit phenomenon. As shown in fig. 3 and 4, the circuit board 100 is provided with two groups of connecting holes 110, each group has four connecting holes 110 enclosing a rectangle, the cross section of each connecting hole 110 is rectangular, two power terminals 200 are correspondingly provided, a notch 120 is provided at a position corresponding to each power terminal 200 on the periphery of the circuit board 100, a longer side of the notch 120 vertically corresponding to the length direction of the insertion piece 210 is provided, and the minimum distance D between the two groups of connecting holes 110 and the two closest connecting holes 110 is greater than 0.5 mm.

In one embodiment, the controller assembly 10 further includes a chip (not shown) disposed on one side of the circuit board 100, and the chip is electrically connected to the power terminals 200 through traces on the circuit board 100. The chip supplies power to the electric fan through two or three power terminals 200, and the chip respectively supplies power to other modules corresponding to the electric fan through other power terminals 200. The chip may be provided with one or more.

In one embodiment, as shown in fig. 2, 3 and 8, the controller assembly 10 further includes a plurality of terminals 300, and each blade 210 is plugged with the terminals 300. The connecting terminal 300 comprises a conductive wire 310 and a plug part 320 which are connected, the plug part 320 is provided with a slot for adapting to the plug sheet 210, and a gap is arranged between the connecting terminals 300 plugged on the same power terminal 200. The insertion portion 320 may be provided with an elastic arm, so that the insertion piece 210 may be held by the elastic arm during insertion, so as to form a stable physical connection and an electrical connection after insertion.

In an embodiment, the insertion piece 210 is provided with a locking hole 211, a buckle adapted to the locking hole 211 is disposed at a position of the connection terminal 300 corresponding to the locking hole 211, and the buckle is locked into the locking hole 211 when the connection terminal 300 is inserted into the insertion piece 210. Through the setting of card hole 211 and buckle, stable physical connection and electric connection can be formed after inserted sheet 210 pegs graft with binding post 300.

Referring to fig. 9, the electric blower 20 provided in this embodiment includes the controller assembly 10 of the above embodiment. The circuit board 100 of the controller assembly 10 is installed and fixed at one end of the electric fan 20, and the circuit board 100 is perpendicular to the central axis of the electric fan 20; the circuit board 100 may be provided with a mounting hole, and the frame of the electric fan 20 is provided with a connection post, which is fixed to the connection post by passing through the mounting hole with a screw. Because the circuit board 100 introduces power through the power terminal 200, the number of the insertion pieces 210 and the welding pins 220 of the power terminal 200 can be set according to the practical application requirement of the electric fan, the number of the insertion pieces 210 and the welding pins 220 is increased, the cross section of a conductor can be increased, larger current can be borne, the problem that the power of a motor is limited due to the use of a power line is avoided, and the power of the motor is improved; and the power terminal 200 is convenient and firm to install.

The vacuum cleaner provided by the embodiment comprises the electric fan 20 of the above embodiment. Since the circuit board 100 introduces power through the power terminal 200, the problem of limited motor power caused by using a power line is avoided, and the motor power is improved.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A controller assembly, characterized by: the method comprises the following steps:

a circuit board;

2. The controller assembly of claim 1, wherein: the circuit board is provided with a connecting hole matched with the welding leg, and the welding leg is inserted and welded in the connecting hole.

3. The controller assembly of claim 2, wherein: the inserted sheet with the leg vertical connection, the power supply terminal is L shape, the inserted sheet with the interval has between the circuit board.

4. The controller assembly of claim 2, wherein: the power supply terminal includes at least two the inserted sheet, each the inserted sheet is parallel to be laid and interval each other sets up, each the inserted sheet passes through the connection piece and connects fixedly, every the inserted sheet is provided with one at least the leg.

5. The controller assembly of claim 4, wherein: the power terminal is integrally formed in a punch forming mode.

6. The controller assembly of claim 4, wherein: at least two welding feet are arranged at one end of each insertion piece at intervals, each welding foot is arranged on the corresponding insertion piece in a straight line shape, the welding feet of each insertion piece are arranged in a surrounding mode to form a square shape, the circuit board is provided with a plurality of connecting holes, and the positions of the connecting holes correspond to the positions of the welding feet one to one.

7. The controller assembly of claim 2, wherein: the circuit board is circular, the inserted sheet is kept away from the one end court of leg the radial outside direction of circuit board extends.

8. The controller assembly of claim 7, wherein: the circuit board is close to the periphery of power supply terminal one side is equipped with side cut or breach, the inserted sheet extends to side cut or breach.

9. The controller assembly of claim 8, wherein: the extending direction of the length of the inserting sheet is perpendicular to one edge of the cutting edge or the notch.

10. The controller assembly of any one of claims 2-9, wherein: the distance between any two corresponding connecting holes between the power terminals is set to be larger than 0.5 mm.

11. The controller assembly of any one of claims 1-9, wherein: the controller subassembly still includes a plurality of binding post, every the inserted sheet is pegged graft and is had binding post.

12. The controller assembly of claim 11, wherein: the plug-in sheet is last to have seted up the card hole, binding post corresponds the position in card hole is equipped with the adaptation the buckle in card hole, binding post with when the plug-in sheet the buckle card is gone into the card hole.

13. The controller assembly of any one of claims 1-9, wherein: the controller assembly further comprises a chip arranged on one surface of the circuit board, and the chip is electrically connected with the power terminal through a circuit on the circuit board.

14. An electric fan, its characterized in that: comprising a controller assembly according to any of claims 1-13.

15. A kind of dust collector, characterized by: comprising an electric fan according to claim 14.