Blower circuit board layout structure and blower

Abstract

The utility model discloses a blower circuit board layout structure and a blower, and the blower circuit board layout structure is arranged in an air inlet channel of the blower and comprises a high-voltage device area far away from an air inlet of the air inlet channel and a low-voltage device area close to the air inlet of the air inlet channel; and the volume of the plurality of high-voltage devices arranged in the high-voltage device area is larger than that of the plurality of low-voltage devices arranged in the low-voltage device area. According to the utility model, a circuit structure can be designed in a narrow space to meet the functional requirements of the blower, and air passing through an air channel is not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board layout, in particular to a hair dryer circuit board layout structure and a hair dryer. Background Art

[0002] During the design of the hair dryer circuit board, it is necessary to ensure that the circuit board meets the normal working conditions of the hair dryer, while at the same time preventing the electronic components in the circuit board from affecting the air intake of the hair dryer duct, especially for the scenario where the circuit board is designed in the air duct of a small portable hair dryer, where the electronic components of different heights and sizes will affect the air intake in the duct.

[0003] Therefore, there is a need for a hair dryer circuit board layout structure, which can realize the design of a circuit structure in a small space to meet the functional requirements of the hair dryer without affecting the air flow through the air duct. Utility Model Content

[0004] In order to solve the technical problem that the air intake of a small-volume hair dryer is difficult to meet the standard due to the size of the circuit board, the utility model provides a hair dryer circuit board layout structure and a hair dryer. The specific technical solution is as follows:

[0005] The utility model provides a layout structure of a hair dryer circuit board, which is arranged in an air inlet channel of the hair dryer, and comprises:

[0006] A high-voltage device area away from the air inlet of the air inlet channel, and a low-voltage device area close to the air inlet of the air inlet channel;

[0007] The volumes of the plurality of high-voltage devices disposed in the high-voltage device area are greater than the volumes of the plurality of low-voltage devices disposed in the low-voltage device area.

[0008] The utility model can set corresponding high-voltage device areas and low-voltage device areas according to the high and low voltage models of the electronic components, and perform circuit board layout according to the device voltage characteristics, so that larger high-voltage devices are kept away from the air inlet of the air inlet channel, and smaller low-voltage devices are placed close to the air inlet of the air inlet channel, thereby reducing the influence of the electronic components on the air intake volume in the air inlet channel.

[0009] In some implementations, a plurality of surface mounted low voltage components are disposed in the low voltage component area.

[0010] In some embodiments, a plurality of surface-mount phototransistors are disposed in the low-voltage device region;

[0011] A plurality of surface mounted phototransistors are axially arranged on the edge of the hair dryer circuit board.

[0012] In some implementations, a surface-mounted rectifier bridge is also provided in the low-voltage device area.

[0013] In some embodiments, the utility model provides a hair dryer circuit board layout structure, further comprising:

[0014] A wiring harness connector, wherein a side of the wiring harness connector with a smaller cross section is arranged toward the air inlet of the air inlet channel.

[0015] In some embodiments, the wiring harness connector is disposed in a non-edge area of ​​a hair dryer circuit board, so that the axial radius of the air inlet channel at the wiring harness connector setting point is greater than the height of the wiring harness connector.

[0016] In some embodiments, grooves are provided on the edges of the blower circuit board corresponding to the plurality of high-voltage components in the high-voltage component area.

[0017] In some embodiments, the low-voltage device area constitutes an exhaust area within the air inlet channel;

[0018] The high-voltage device area constitutes a non-exhaust area in the air inlet channel.

[0019] In some embodiments, according to another aspect of the utility model, the utility model also provides a hair dryer, including a grip portion and the above-mentioned hair dryer circuit board layout structure, wherein an air inlet channel is arranged in the grip portion, and the hair dryer circuit board layout structure is arranged in the air inlet channel in the grip portion.

[0020] The utility model provides a hair dryer circuit board layout structure and the technical effects of the hair dryer are as follows: corresponding high-voltage device areas and low-voltage device areas are set according to the high and low voltage models of electronic components, and the circuit board layout is performed according to the device voltage characteristics, so that larger high-voltage devices are kept away from the air inlet of the air inlet channel, and smaller low-voltage devices are placed close to the air inlet of the air inlet channel, thereby reducing the influence of the electronic components on the air intake volume in the air inlet channel. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 This is a structural example diagram of a hair dryer circuit board structure of the utility model.

[0023] The numbers in the figure are: high voltage device area-100, low voltage device area-200, surface mount phototransistor-210, surface mount rectifier bridge-220 and wiring harness connector-300. DETAILED DESCRIPTION

[0024] In the following description, specific details such as specific system structures, technologies, etc. are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present application. However, it should be clear to those skilled in the art that the present application may also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to prevent unnecessary details from obstructing the description of the present application.

[0025] It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of the described features, integers, steps, operations, elements and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or collections.

[0026] In order to simplify the drawings, only the parts related to the utility model are schematically shown in each figure, and they do not represent the actual structure of the product. In addition, in order to simplify the drawings and facilitate understanding, in some figures, only one of the parts with the same structure or function is schematically drawn or marked. In this article, "one" not only means "only one", but also means "more than one".

[0027] It should be further understood that the term “and / or” used in the specification and appended claims refers to any combination and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0028] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0029] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the specific implementation methods of the utility model will be described below with reference to the accompanying drawings. Obviously, the accompanying drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings and other implementation methods can be obtained based on these drawings without creative work.

[0030] An embodiment of the utility model, as Figure 1 As shown, the utility model provides a hair dryer circuit board layout structure, which is arranged in the air inlet channel of the hair dryer, including: a high-voltage device area 100 away from the air inlet of the air inlet channel, and a low-voltage device area 200 close to the air inlet of the air inlet channel; the volume of several high-voltage devices arranged in the high-voltage device area is larger than the volume of several low-voltage devices arranged in the low-voltage device area.

[0031] The technical effects of a hair dryer circuit board layout structure and a hair dryer provided in this embodiment are as follows: corresponding high-voltage device areas and low-voltage device areas are set according to the high and low voltage models of electronic components, and the circuit board layout is performed according to the device voltage characteristics, so that larger high-voltage devices are kept away from the air inlet of the air inlet channel, and smaller low-voltage devices are placed close to the air inlet of the air inlet channel, thereby reducing the impact of electronic components on the air intake volume in the air inlet channel.

[0032] In one embodiment, a number of surface-mounted low-voltage components are arranged in the low-voltage device area 200 during the equipment selection process, so that the surface-mounted components with small volume and close arrangement can reduce the wind resistance in the air inlet channel.

[0033] In one embodiment, a plurality of surface mount phototransistors 210 are disposed in the low voltage device area 200 , and the plurality of surface mount phototransistors are axially arranged at the edge of the hair dryer circuit board. A surface mount rectifier bridge 220 is also disposed in the low voltage device area 200 .

[0034] In one embodiment, the utility model provides a hair dryer circuit board layout structure, further comprising:

[0035] The wiring harness connector 300, the side of the wiring harness connector 300 with a smaller cross section is arranged toward the air inlet of the air inlet channel, further reducing the influence of the cross section of the wiring harness connector 300 on the air intake volume in the air inlet channel.

[0036] Furthermore, the wiring harness connector is arranged in the non-edge area of ​​the hair dryer circuit board, so that the axial radius of the air inlet channel at the wiring harness connector setting point is larger than the height of the wiring harness connector, so that the installation of the circuit board in the cylindrical mounting portion will not be affected by the size of the mounting portion.

[0037] In one embodiment, grooves are provided on the edges of the blower circuit board corresponding to the plurality of high-voltage components in the high-voltage component area 100 to increase the creepage distance between the high-voltage components.

[0038] In one embodiment, the low-voltage device area 200 constitutes an exhaust area in the air inlet channel, and the high-voltage device area 100 constitutes a non-exhaust area in the air inlet channel.

[0039] In one embodiment, according to another aspect of the utility model, the utility model also provides a hair dryer, including a grip portion and the above-mentioned hair dryer circuit board structure, an air inlet channel is arranged in the grip portion, and the hair dryer circuit board structure is arranged in the air inlet channel in the grip portion.

[0040] In the above embodiments, the description of each embodiment has its own emphasis. For parts that are not described or recorded in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0041] Those of ordinary skill in the art will appreciate that the units and steps of each example described in conjunction with the embodiments disclosed herein can be implemented with electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed with hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of this application.

[0042] In the embodiments provided in the present application, it should be understood that the disclosed hair dryer circuit board layout structure and hair dryer can be implemented in other ways. For example, the hair dryer circuit board layout structure and hair dryer embodiment described above are merely schematic. For example, the division of the modules or units is only a logical function division. There may be other division methods in actual implementation. For example, multiple units or modules can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the communication connection between each other shown or discussed can be through some interfaces, communication connections of devices or units or integrated circuits, which can be electrical, mechanical or other forms.

[0043] The units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0044] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0045] It should be noted that the above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A layout structure of a hair dryer circuit board, It is characterized in that It is arranged in the air inlet channel of the hair dryer, and includes: A high-voltage device area away from the air inlet of the air inlet channel, and a low-voltage device area close to the air inlet of the air inlet channel; The volumes of the plurality of high-voltage devices disposed in the high-voltage device area are greater than the volumes of the plurality of low-voltage devices disposed in the low-voltage device area.

2. A hair dryer circuit board layout structure according to claim 1, It is characterized in that A plurality of surface mounted low voltage components are arranged in the low voltage component area.

3. A hair dryer circuit board layout structure according to claim 2, It is characterized in that A plurality of surface-mount phototransistors are arranged in the low-voltage device area; A plurality of surface mounted phototransistors are axially arranged on the edge of the hair dryer circuit board.

4. A hair dryer circuit board layout structure according to claim 2, It is characterized in that A surface-mounted rectifier bridge is also arranged in the low-voltage device area.

5. A hair dryer circuit board layout structure according to claim 1, It is characterized in that Also includes: A wiring harness connector, wherein a side of the wiring harness connector with a smaller cross section is arranged toward the air inlet of the air inlet channel.

6. A hair dryer circuit board layout structure according to claim 5, It is characterized in that The wiring harness connector is arranged in a non-edge area of ​​the hair dryer circuit board, so that the axial radius of the air inlet channel at the setting point of the wiring harness connector is greater than the height of the wiring harness connector.

7. A hair dryer circuit board layout structure according to claim 1, It is characterized in that Grooves are arranged on the edges of the blower circuit board corresponding to the plurality of high-voltage components in the high-voltage component area.

8. A hair dryer circuit board layout structure according to claim 1, It is characterized in that The low-voltage device area constitutes an exhaust area in the air inlet channel; The high-voltage device area constitutes a non-exhaust area in the air inlet channel.

9. A hair dryer, It is characterized in that It comprises a gripping portion and a hair dryer circuit board layout structure according to any one of claims 1 to 8, wherein an air inlet channel is arranged in the gripping portion, and the hair dryer circuit board layout structure is arranged in the air inlet channel in the gripping portion.

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