CN218959324U

CN218959324U - Circuit board assembly for airing machine

Info

Publication number: CN218959324U
Application number: CN202223421291.0U
Authority: CN
Inventors: 王妙玉; 蔡敬超; 周亮; 李昌
Original assignee: Guangdong Hotata Technology Group Co Ltd
Current assignee: Guangdong Hotata Technology Group Co Ltd
Priority date: 2022-12-16
Filing date: 2022-12-16
Publication date: 2023-05-02
Anticipated expiration: 2032-12-16

Abstract

The utility model provides a circuit board assembly for a clothes drying machine, which comprises a base and a circuit board arranged on the base, wherein the base is provided with a mounting structure for mounting the circuit board on the clothes drying machine, a heating wire is arranged on the circuit board in a wiring way, and the circuit board is provided with an electric connection end electrically connected with the heating wire, and the electric connection end is used for being connected with a power supply device of the clothes drying machine. This circuit board subassembly, heater wire can heat the circuit board and evaporate steam, reduce the condensation of steam, can play good dampproofing effect, can effectively reduce the fault rate, help increase of service life to the heater wire has adopted the wiring mode to arrange on the circuit board, and the wiring technology is used ripely and is easily processed manufacturing, and is less to the influence of circuit board size and to the influence of each electronic component's installation on the circuit board, facilitate promotion and application.

Description

Circuit board assembly for airing machine

Technical Field

The utility model relates to the technical field of airing machines, in particular to a circuit board assembly for an airing machine.

Background

The circuit board is often required to be used for carrying out the work such as power supply conversion, motion control, data transmission, data analysis and the like in the airing machine, and because the airing machine is usually installed at a balcony and the like and vapor is evaporated in the airing process of clothes and the like, the vapor content of the environment where the airing machine is located is usually higher, particularly in the climatic conditions such as the weather of the south returning day, overcast and rainy weather and the like, vapor condensation often exists on the circuit board to form water drops, the circuit board is easy to wet, then faults such as short circuit and the like are easy to cause, and the service life of the circuit board is also influenced.

The circuit board in the existing airing machine is coated with three-proofing paint to prevent moisture, so that the moisture-proofing effect is limited, and poor contact of connectors is easily caused.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a circuit board assembly for a airing machine, which has good dampproof effect and reduces failure rate.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

the utility model provides a circuit board subassembly for airing machine, includes the base and installs circuit board on the base, be provided with the mounting structure who is used for installing it on the airing machine on the base, the heater wire has been arranged to the wiring on the circuit board, be provided with on the circuit board with the electric terminal that connects of heater wire electricity is connected, connect the electric terminal and be used for being connected with the power supply unit of airing machine.

Preferably, the circuit board is provided with a humidity detection device, the humidity detection device is used for detecting the humidity around the circuit board, and the energizing state of the heating wire is associated with the detection result of the humidity detection device.

Preferably, a controller is arranged on the circuit board, and the controller is used for receiving the detection result of the humidity detection device and controlling the electrifying state of the heating wire accordingly.

Preferably, the heater wire is serpentine and extends over the circuit board.

Preferably, the base is provided with a clamping table and an elastic sheet, the elastic sheet is provided with a first clamping block, the clamping table and the first clamping block are respectively abutted to two end faces of the circuit board to fix the circuit board on the base, and the elastic sheet can be elastically bent to be staggered with the circuit board.

Preferably, the number of the clamping tables and the number of the elastic pieces are multiple and are equally distributed, and the first clamping blocks are respectively arranged on the elastic pieces.

Preferably, a surface of the first clamping block facing the circuit board is an inclined surface.

Preferably, the base is provided with a containing groove, the circuit board is installed at the opening of the containing groove, and the base is provided with a vent hole for communicating the containing groove with the outside.

Preferably, the vent holes are arranged on the base at two opposite side walls of the accommodating groove.

Preferably, the mounting structure includes a second fixture block disposed on the outer wall of the base.

The beneficial effects of the utility model are as follows: this circuit board subassembly, mounting structure on the base is convenient for install this circuit board subassembly on the airing machine, in the use, connect the electric end can be connected with the power supply unit of airing machine, thereby can supply power for the heater wire, make the heater wire can heat the circuit board and evaporate steam, reduce the condensation of steam, can play good dampproofing effect, can effectively reduce the fault rate, help increase of service life, and the heater wire adopts the line mode to arrange on the circuit board, it is ripe to walk line technology application, easy manufacturing, the influence to circuit board size and the influence to the installation of each electronic component on the circuit board are all less, facilitate promotion and application.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic view of a preferred embodiment of the present utility model;

FIG. 2 is a schematic exploded view of a preferred embodiment of the present utility model;

fig. 3 is a schematic diagram showing the routing of the heater wire on the circuit board according to the preferred embodiment of the present utility model.

Wherein, each reference sign in the figure:

10. a base; 11. a clamping table; 12. a spring plate; 13. a first clamping block; 14. a receiving groove; 15. a vent hole; 16. a second clamping block; 20. a circuit board; 31. a heating wire; 32. and an electric terminal.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 3, a circuit board assembly for a airing machine according to a preferred embodiment of the present utility model includes a base 10 and a circuit board 20 mounted on the base 10, a mounting structure for mounting the circuit board on the airing machine is provided on the base 10, a heating wire 31 is disposed on the circuit board 20 in a wiring manner, a power connection terminal 32 electrically connected with the heating wire 31 is provided on the circuit board 20, and the power connection terminal 32 is used for being connected with a power supply device of the airing machine. This circuit board subassembly, mounting structure on the base 10 is convenient for install this circuit board subassembly on the airing machine, in the use, connect electric end 32 can be connected with the power supply unit of airing machine, thereby can supply power for heater wire 31, make heater wire 31 can heat circuit board 20 and evaporate steam, reduce the condensation of steam, can play good dampproofing effect, can effectively reduce the fault rate, help prolonging life, and heater wire 31 adopts the mode of walking to arrange on circuit board 20, walk line technology application ripe, easy manufacturing, the influence to circuit board 20 size and the influence to the installation of each electronic component on the circuit board 20 are all less, facilitate promotion and application.

The wiring process of the circuit board 20 is widely used, and the heating wire 31 can be formed on the circuit board 20 by printing, copper deposition, screen printing, etc., which is not described in detail herein, in this embodiment, the heating wire 31 is a copper foil wire, which is not easy to rust, and in other embodiments, the heating wire 31 can be made of other suitable materials, which is not limited thereto.

As a preferred embodiment of the utility model, it may also have the following additional technical features:

in this embodiment, the circuit board 20 is provided with a humidity detecting device, the humidity detecting device is used for detecting the humidity around the circuit board 20, and the power-on state of the heater wire 31 is associated with the detection result of the humidity detecting device, so that the heater wire 31 can be controlled to perform heating and dehumidification when the ambient humidity is higher, and the power supply of the heater wire 31 is disconnected when the ambient humidity is lower, so that the energy is saved. The humidity detection device can adopt a common humidity detector such as a humidity resistor, a humidity capacitor and the like, and can be flexibly selected according to the needs of a person skilled in the art.

In this embodiment, the circuit board 20 is provided with a controller, and the controller is configured to receive the detection result of the humidity detection device and control the power-on state of the heating wire 31 accordingly, so that the controller is convenient to directly install and apply on the clothes airing machine. In other embodiments, the control device of the airing machine can also be utilized to receive the detection result of the humidity detection device and control the power-on state of the heating wire 31. The controller can adopt a common control structure such as a control chip or a control switch, and the like, and can be flexibly selected according to the needs of the person skilled in the art.

Referring to fig. 3, in the present embodiment, the heating wire 31 has a serpentine shape and extends over the circuit board 20, which is convenient for processing and manufacturing, and can perform a good dehumidification effect on the circuit board 20 everywhere, in other embodiments, the heating wire 31 may also have other suitable shapes such as a rotary shape, and the arrangement range of the heating wire 31 on the circuit board 20 may also be flexibly adjusted according to needs, but is not limited thereto.

Referring to fig. 1 and 2, in the present embodiment, a clamping table 11 and an elastic sheet 12 are disposed on a base 10, a first clamping block 13 is disposed on the elastic sheet 12, the clamping table 11 and the first clamping block 13 are respectively abutted against two end surfaces of a circuit board 20 to fix the circuit board 20 on the base 10, and the elastic sheet 12 can be elastically bent to be staggered with the circuit board 20, when assembled, the elastic sheet 12 can be stirred first to deform the elastic sheet 12 to make the first clamping block 13 staggered with the circuit board 20, then the circuit board 20 is placed in an installation position, and then the elastic sheet 12 is loosened, so that the first clamping block 13 and the clamping table 11 clamp the circuit board 20 together, when disassembled, the first clamping block 13 is staggered with the circuit board 20 by stirring the elastic sheet 12, and then the circuit board 20 is removed by a bracket, so that the assembly and disassembly operation of the circuit board 20 is effectively simplified, the assembly and the maintenance are facilitated, and the full use of the circuit board 20 is also facilitated, the processing procedures of the circuit board 20 are reduced, and the circuit boards 20 with various structures are also easily matched, and the application range is wider. In other embodiments, the circuit board 20 may be mounted to the base 10 by screws, bonding, or other conventional connection methods, but is not limited thereto.

In this embodiment, the number of the clamping tables 11 and the number of the elastic pieces 12 are multiple and equally distributed, and the first clamping blocks 13 are respectively arranged on each elastic piece 12, so that the circuit board 20 can be more reliably fixed, the circuit board 20 can be prevented from being offset and loose in use, and the stress of the circuit board 20 is more uniform. In this embodiment, the base 10 is square, and two long sides are respectively provided with two spring plates 12 and a clamping table 11, and in other embodiments, the number of the clamping tables 11, 12 and the first clamping blocks 13 can be flexibly adjusted according to the needs.

In this embodiment, the surface of the first clamping block 13 facing the circuit board 20 is an inclined surface, so that the circuit board 20 is conveniently inserted between the first clamping block 13 and the clamping table 11 and pushes the elastic sheet 12 to bend and deform through the circuit board 20, and the small-range variation of the thickness of the circuit board 20 can be well adapted, so that the circuit board 20 is convenient to disassemble and assemble, and the application range is also enlarged.

In this embodiment, be provided with holding tank 14 on the base 10, circuit board 20 installs the opening part at holding tank 14, be provided with the ventilation hole 15 with holding tank 14 and external intercommunication on the base 10, holding tank 14 can play the effect of holding the convex electronic component on the circuit board 20 to can utilize base 10 to play good guard action to electronic component, ventilation hole 15 can strengthen the air flow of base 10 inside and outside, the steam in the timely discharge holding tank 14 of being convenient for helps improving the dampproofing ability of circuit board 20. In other embodiments, the base 10 may take any other suitable shape and configuration, and is not limited thereto.

In this embodiment, the ventilation holes 15 are disposed on the base 10 at two opposite side walls of the accommodating groove 14, so that the air flow can be further enhanced, the water vapor discharging effect is improved, and the circuit board 20 is further prevented from being wetted. In other embodiments, the vent hole 15 may be provided only at one side or bottom of the receiving groove 14, which is not limited thereto.

In this embodiment, the mounting structure includes the second fixture block 16 that sets up on the base 10 outer wall, so can with the buckle structural adaptation such as draw-in groove on the airing machine, make things convenient for the dismouting operation of this circuit board subassembly on the airing machine. In other embodiments, the mounting structure may also be any other suitable structure, such as but not limited to a through hole for a screw to pass through, a rivet structure, etc.

The above additional technical features can be freely combined and superimposed by a person skilled in the art without conflict.

The foregoing is only a preferred embodiment of the present utility model, and all technical solutions for achieving the object of the present utility model by substantially the same means are within the scope of the present utility model.

Claims

1. The utility model provides a circuit board subassembly for airing machine, its characterized in that includes the base and installs circuit board on the base, be provided with the mounting structure who is used for installing it on the airing machine on the base, the heater strip has been arranged to the wiring on the circuit board, be provided with on the circuit board with the electric terminal that connects of heater strip electricity, the electric terminal is used for being connected with the power supply unit of airing machine.

2. The circuit board assembly for a clothes drying machine according to claim 1, wherein a humidity detection device is arranged on the circuit board and is used for detecting the humidity of the periphery of the circuit board, and the energizing state of the heating wire is related to the detection result of the humidity detection device.

3. The circuit board assembly for a clothes drying machine according to claim 2, wherein a controller is arranged on the circuit board, and the controller is used for receiving the detection result of the humidity detection device and controlling the energizing state of the heating wire accordingly.

4. A circuit board assembly for a laundry dryer according to claim 1, wherein the heater wire is serpentine and extends over the circuit board.

5. The circuit board assembly for a clothes drying machine according to claim 1, wherein a clamping table and an elastic sheet are arranged on the base, a first clamping block is arranged on the elastic sheet, the clamping table and the first clamping block are respectively abutted against two end faces of the circuit board to fix the circuit board on the base, and the elastic sheet can be elastically bent to be staggered with the circuit board.

6. The circuit board assembly for a clothes drying machine according to claim 5, wherein the number of the clamping tables and the number of the elastic pieces are multiple and are equally distributed, and the first clamping blocks are respectively arranged on the elastic pieces.

7. The circuit board assembly for a clothes drying machine of claim 5, wherein a surface of the first clamping block facing the circuit board is an inclined surface.

8. The circuit board assembly for a clothes drying machine according to claim 1, wherein the base is provided with a containing groove, the circuit board is installed at an opening of the containing groove, and the base is provided with a vent hole for communicating the containing groove with the outside.

9. The circuit board assembly for a clothes drying machine according to claim 8, wherein the ventilation holes are formed in the base at two opposite side walls of the accommodating groove.

10. The circuit board assembly for a clothes drying machine of claim 1, wherein the mounting structure includes a second fixture block disposed on an outer wall of the base.