CN219181754U

CN219181754U - Partition layout structure of PCB (printed circuit board) of blower and blower

Info

Publication number: CN219181754U
Application number: CN202223598671.1U
Authority: CN
Inventors: 叶洪新
Original assignee: Dongguan Leifen Electronic Technology Co ltd
Current assignee: Dongguan Leifen Electronic Technology Co ltd
Priority date: 2022-12-24
Filing date: 2022-12-29
Publication date: 2023-06-13
Anticipated expiration: 2032-12-29

Abstract

The utility model belongs to the technical field of blowers, and particularly relates to a partition layout structure of a PCB (printed circuit board) of a blower and the blower. The components needing to be radiated are arranged on the first surface as the first component group, the components not needing to be radiated are arranged on the second surface as the second component group, the installation pressure is reduced, and the distance between the components is increased. Therefore, the number of components around the components needing heat dissipation is small, the heat dissipation effect is improved, automation can be realized for the SMT components and the plug-in units, manual work is not needed, and the production efficiency is improved.

Description

Partition layout structure of PCB (printed circuit board) of blower and blower

Technical Field

The utility model belongs to the technical field of blowers, and particularly relates to a partition layout structure of a PCB (printed circuit board) of a blower and the blower.

Background

In daily life, blowers are widely used. Existing blowers generally include a housing and a handle, the housing including a rectifying wing assembly, a heater assembly and a circuit assembly, the rectifying wing assembly including a motor and a blade, wherein the motor is capable of driving the blade to rotate, and when the blade rotates, air is sucked from an air inlet provided on the housing, and centrifugal air flow formed by the air is blown out from a front end after being heated by a heating wire in the heater assembly.

As shown in fig. 5, the PCB board of the blower is provided with a plurality of electrical components (including SMT components and plug-ins), such as chips, capacitors, inductors, resistors, and the like. However, as various electrical components of the PCB board are all arranged on the same surface, the components (chips) needing heat dissipation can be blocked by components (such as capacitors) with larger volume and without heat dissipation, thereby affecting the heat dissipation effect. Moreover, because components and parts set up on a face, when the installation, the distance of two inserts is very near, can't realize automatic plug-in components through the clamping jaw of robot, needs artifical plug-in components, and is efficient, and the cost of labor is high.

Disclosure of Invention

The utility model aims to provide a partition layout structure of a PCB (printed Circuit Board) of a blower and the blower thereof, and aims to solve the technical problems that various electric elements on the PCB of the blower in the prior art are arranged on the same surface, the heat dissipation effect is affected and manual plug-in components are needed.

In order to achieve the above object, the partition layout structure of a PCB board of a blower provided by the embodiment of the present utility model includes a PCB board, a first component group and a second component group, where the PCB board includes a first surface and a second surface that are oppositely disposed, the first component group is disposed on the first surface, and the second component group is disposed on the second surface.

Optionally, the PCB comprises a shell, an air duct is arranged in the shell, the PCB is installed in the shell, and the first surface is located in the air duct.

Optionally, the periphery of the PCB extends toward the inner sidewall of the housing.

Optionally, the PCB board is circularly arranged.

The above technical solutions in the partition layout structure of the PCB board of the fan provided by the embodiments of the present utility model have at least one of the following technical effects: because the first component group is arranged on the first surface, the second component group is arranged on the second surface, components needing heat dissipation, such as chips and the like, can be arranged on the first surface, and then the first surface is arranged in the heat dissipation air duct; and the components which are large and do not need to dissipate heat are used as a second component group to be mounted on the second surface, so that the mounting pressure is reduced, and the distance between the components is increased. Therefore, the number of components around the components needing heat dissipation is small, the heat dissipation effect is improved, automation can be realized for the SMT components and the plug-in units, manual work is not needed, and the production efficiency is improved.

Another embodiment of the present utility model provides a blower, including the above-mentioned partition layout structure of PCB board of the blower, a housing, a handle, a heating device and a rectifying wing device, where the heating device is disposed in the housing and faces the first surface of the PCB board; the handle is arranged at the bottom of the shell, and an air inlet is formed in the bottom of the handle; the rectifying wing device is arranged in the handle.

The technical scheme in the blower provided by the embodiment of the utility model has at least one of the following technical effects: because the first component group is arranged on the first surface, the second component group is arranged on the second surface, components needing heat dissipation, such as chips and the like, can be arranged on the first surface, and then the first surface is arranged in the heat dissipation air duct; and the components which are large and do not need to dissipate heat are used as a second component group to be mounted on the second surface, so that the mounting pressure is reduced, and the distance between the components is increased. Therefore, the number of components around the components needing heat dissipation is small, the heat dissipation effect is improved, automation can be realized for the SMT components and the plug-in units, manual work is not needed, and the production efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a partition layout structure of a PCB board of a blower provided in an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a blower according to another embodiment of the present utility model under another view angle of the partition layout structure of the PCB board.

Fig. 3 is a schematic structural diagram of a blower according to an embodiment of the present utility model.

Fig. 4 is a cut-away view of a blower provided in an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a conventional PCB board according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

partition layout structure 2-shell 3-heating device of PCB (printed Circuit Board) of 1-blower

4-air duct 10-PCB 11-first face

12-second side 20-first component group 30-second component group.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to fig. 1 to 5 are exemplary and intended to illustrate embodiments of the present utility model and should not be construed as limiting the utility model.

In the description of the embodiments of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the embodiments of the present utility model and simplify description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; 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 embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.

In one embodiment of the present utility model, as shown in fig. 1 to 4, a partition layout structure 1 of a PCB board of a blower is provided, including a PCB board 10, a first component group 20 and a second component group 30, where the PCB board 10 includes a first surface 11 and a second surface 12 that are oppositely disposed, the first component group 20 is disposed on the first surface 11, and the second component group 30 is disposed on the second surface 12.

Because the first component group 20 is installed on the first surface 11, the second component group 30 is installed on the second surface 12, components needing heat dissipation, such as chips, can be installed on the first surface 11, and then the first surface 11 is arranged on the heat dissipation air duct 4; a large component (such as a capacitor) which does not require heat dissipation is mounted on the second surface 12 as the second component group 30, so that the mounting pressure is reduced, and the pitch between the components is increased. Therefore, the number of components around the components needing heat dissipation is small, the heat dissipation effect is improved, automation can be realized for the SMT components and the plug-in units, manual work is not needed, and the production efficiency is improved.

In this embodiment, as shown in fig. 1 to 4, the air conditioner further includes a housing 2, an air duct 4 is disposed in the housing 2, the PCB 10 is mounted in the housing 2, and the first surface 11 is located in the air duct 4. Specifically, the housing 2 is applied to fix the PCB 10, and the PCB 10 is vertically disposed. The first surface 11 is located in the air duct 4, so that heat exchange is performed when wind passes through, and heat dissipation is achieved.

In this embodiment, as shown in fig. 1 to 4, the periphery of the PCB 10 extends toward the inner side wall of the housing 2. Specifically, the side end of the PCB board 10 extends to the inner wall of the housing 2 as much as possible, so that excessive wind in the wind channel 4 is prevented from entering the second surface 12, and the wind quantity of the wind is reduced.

In this embodiment, as shown in fig. 1 to 4, the PCB board 10 is circularly arranged. Specifically, the air duct 4 in the housing 2 is circular, and the PCB board 10 is also circular.

In another embodiment of the present utility model, as shown in fig. 1 to 4, there is provided a blower, including the above-mentioned partition layout structure 1 of PCB board of the blower, a housing 2, a handle (not shown in the drawings), a heating device 3, and a rectifying wing device (not shown in the drawings), wherein the heating device 3 is disposed in the housing 2 and is disposed facing the first face 11 of the PCB board 10; the handle is arranged at the bottom of the shell 2, and an air inlet is formed in the bottom of the handle; the rectifying wing device is arranged in the handle. Specifically, the first surface 11 and the heating device 3 are both arranged in the air duct 4, the inside of the handle is communicated with the air duct 4, the PCB 10 and the heating device 3 are arranged at intervals, and an air outlet is formed in one end, far away from the PCB 10, of the shell 2. The rectifying wing device comprises a motor and fan blades connected to a motor spindle, the motor starts the fan blades to rotate, the fan blades are used for exhausting air, external air enters the handle from the air inlet and flows into the air duct 4, heat dissipation can be achieved on the first component arranged on the first surface 11 through heat exchange when the air duct 4 passes through, then the air is heated by the heating device 3, and hot air is blown out from the air outlet.

Because the first component group 20 is installed on the first surface 11, the second component group 30 is installed on the second surface 12, components needing heat dissipation, such as chips, can be installed on the first surface 11, and then the first surface 11 is arranged on the heat dissipation air duct 4; the second component group 30 is formed by mounting a large component that does not require heat dissipation on the second surface 12, so that the mounting pressure is reduced, and the pitch between the components is increased. Therefore, the number of components around the components needing heat dissipation is small, the heat dissipation effect is improved, automation can be realized for the SMT components and the plug-in units, manual work is not needed, and the production efficiency is improved.

The rest of the present embodiment is the same as the above embodiment, and the features not explained in the present embodiment are all explained by adopting the above embodiment, and will not be described here again.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a subregion overall arrangement structure of PCB board of hair-dryer, includes PCB board, first components group and second components group, its characterized in that: the PCB comprises a first surface and a second surface which are oppositely arranged, the first component group is arranged on the first surface, and the second component group is arranged on the second surface.

2. The partition layout structure of a PCB board of a blower according to claim 1, wherein: the PCB board is installed in the shell, and the first face is located in the air duct.

3. The partition layout structure of a PCB board of a blower according to claim 2, wherein: the periphery of the PCB extends towards the inner side wall of the shell.

4. The partition layout structure of a PCB board of a blower according to claim 1, wherein: the PCB is arranged in a circular shape.

5. A hair dryer, characterized in that: a partition layout structure of a PCB board comprising the blower according to any one of claims 1 to 4, a housing, a handle, a heating device and a rectifying wing device, the heating device being provided in the housing and disposed facing the first face of the PCB board; the handle is arranged at the bottom of the shell, and an air inlet is formed in the bottom of the handle; the rectifying wing device is arranged in the handle.