CN210641237U

CN210641237U - PCB circuit board of key type household warmer

Info

Publication number: CN210641237U
Application number: CN201921493460.7U
Authority: CN
Inventors: 刘路
Original assignee: Shenzhen Runze Wuzhou Electronic Technology Co ltd
Current assignee: Shenzhen Runze Wuzhou Electronic Technology Co ltd
Priority date: 2019-09-07
Filing date: 2019-09-07
Publication date: 2020-05-29
Anticipated expiration: 2029-09-07

Abstract

The utility model discloses a domestic room heater PCB circuit board of button, including mounting panel and circuit board body, the equal fixedly connected with supporting leg in both sides at mounting panel top, the bottom fixedly connected with heat-conducting plate of circuit board body to the bottom fixedly connected with heating panel of heat-conducting plate, first bell jar has all been seted up to the both sides of heating panel, the utility model relates to a circuit board technical field. This domestic room heater PCB circuit board of button, top spraying through the antitoxic coating has antistatic coating, the work of heat dissipation fan dispels the heat to the heating panel, the wind that the heat dissipation fan blew off is taken away the heat on the heat-conducting plate through circular passageway, carry out the heat exchange with external environment, accelerate the radiating rate, it is not fragile to make the circuit board, the life of room heater has been prolonged, antistatic backing can prevent that the circuit board surface from producing static, avoid static to produce the influence to the electric current in the circuit board, guarantee that the circuit board can normally work.

Description

PCB circuit board of key type household warmer

Technical Field

The utility model relates to a circuit board technical field specifically is a domestic room heater PCB circuit board of button.

Background

The circuit board is a circuit board, and the circuit board enables the circuit to be miniaturized and visualized, and plays an important role in the batch production of fixed circuits and the optimization of the layout of electric appliances. The circuit board can be called as a printed circuit board or a printed circuit board, the circuit board is divided into three major categories of a single panel, a double-sided board and a multilayer circuit board according to the number of layers, the single panel is on the most basic PCB, parts are concentrated on one surface of the single panel, and wires are concentrated on the other surface of the single panel; the double-sided board is an extension of a single-sided board, copper wires are covered on both sides of the double-sided board, and the circuit between the two layers can be conducted through the via hole to form the required network connection; the multilayer board is formed by laminating three or more conductive pattern layers with an insulating material therebetween at intervals.

Use the PCB circuit board usually in the domestic room heater of button, because the room heater can produce a large amount of heats at the during operation, current PCB circuit board is because high temperature resistance is relatively poor, often receives the thermal damage, and life is shorter, can directly reduce the life of room heater, brings economic loss for the user, and the practicality is lower, and current domestic PCB circuit board for the room heater surface easily produces static, can disturb the electric current, influences the normal work of circuit board.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a domestic room heater PCB circuit board of button has solved the circuit board and has been heated fragile, reduces the life of room heater, and the practicality is lower, and static is disturbed to the electric current production in the circuit board, influences the problem of the normal work of circuit board.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a domestic room heater PCB circuit board of button, includes mounting panel and circuit board body, the equal fixedly connected with supporting leg in both sides at mounting panel top, the bottom fixedly connected with heat-conducting plate of circuit board body to the bottom fixedly connected with heating panel of heat-conducting plate, first bell jar has all been seted up to the both sides of heating panel to be linked together through circular passageway between the relative one side of two first bell jar inner walls, the miniature heat dissipation fan of left side fixedly connected with at mounting panel top.

Preferably, the top of the heat dissipation plate is provided with heat dissipation holes, and the bottom ends of the heat dissipation holes are communicated with the top of the inner wall of the circular channel.

Preferably, the bottom of the heat dissipation plate is provided with a second tapered groove, and the top of the inner wall of the second tapered groove is communicated with the bottom of the inner wall of the circular channel through a connecting hole.

Preferably, the circuit board body comprises a substrate, the bottom of the substrate is adhered with the reinforcing plate through an adhesive, and the top of the substrate is adhered with the wiring layer through an adhesive.

Preferably, the top of the wire arrangement layer is adhered with an anti-corrosion layer through an adhesive, and the top of the anti-corrosion layer is sprayed with an anti-static coating.

Preferably, the top on the right side of the micro heat dissipation fan is fixedly connected with a connecting rod, and one end, far away from the micro heat dissipation fan, of the connecting rod is fixedly connected with the top on the left side of the heat dissipation plate.

Advantageous effects

The utility model provides a domestic room heater PCB circuit board of button. Compared with the prior art, the method has the following beneficial effects:

(1) this domestic room heater PCB circuit board of button, bottom fixedly connected with heat-conducting plate through the circuit board body, and the bottom fixedly connected with heating panel of heat-conducting plate, first bell jar has all been seted up to the both sides of heating panel, and be linked together through circular passageway between the relative one side of two bell jar inner walls, the miniature heat dissipation fan of left side fixedly connected with at mounting panel top, the louvre has been seted up at the top of heating panel, and the bottom of louvre is linked together with the top of circular passageway inner wall, the work of heat dissipation fan dispels the heat to the heating panel, the wind that the heat dissipation fan blew off leaves the heat area on the heat-conducting plate through circular passageway, carry out the heat exchange with external environment, accelerate the radiating rate.

(2) This domestic room heater PCB circuit board of button has the anticorrosive coating through the adhesive bonding at the top on bus bar layer to the top spraying of gas defense coating has antistatic coating, and antistatic coating can prevent that the circuit board surface from producing static, avoids static to produce the influence to the electric current in the circuit board, guarantees that the circuit board can normally work.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

FIG. 2 is a cross-sectional view of the structure of the present invention;

fig. 3 is a cross-sectional view of the circuit board body structure of the present invention.

In the figure: 1 mounting panel, 2 circuit board bodies, 21 base plate, 22 reinforcing plate, 23 wiring layers, 24 anticorrosive coating, 25 antistatic coating, 3 supporting legs, 4 heat-conducting plates, 5 heating panels, 6 first conical grooves, 7 circular passageways, 8 miniature heat dissipation fans, 9 louvres, 10 second conical grooves, 11 connecting holes, 12 connecting rods.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a PCB circuit board of a key-type household warmer comprises a mounting plate 1 and a circuit board body 2, wherein the top of the circuit board body 2 is fixedly connected with four indicating lamps and four keys, 4 ordinary electronic mechanical keys can be used for setting heating temperature and controlling timing, and the PCB circuit board body 2 has an infrared remote control function, the circuit board body 2 comprises a substrate 21, the bottom of the substrate 21 is adhered with a reinforcing plate 22 through an adhesive, the top of the substrate 21 is adhered with a wire arranging layer 23 through the adhesive, the top of the wire arranging layer 23 is adhered with an anticorrosive coating 24 through the adhesive, the anticorrosive coating 24 can improve the anticorrosive performance of the circuit board, the top of the anticorrosive coating 24 is sprayed with an antistatic coating 25, both sides of the top of the mounting plate 1 are fixedly connected with supporting legs 3, the bottom of the circuit board body 2 is fixedly connected with a heat conducting plate 4, and the bottom, the bottom of the heat dissipation plate 5 is provided with a second taper groove 10, the top of the inner wall of the second taper groove 10 is communicated with the bottom of the inner wall of the circular channel 7 through a connecting hole 11, the top of the heat dissipation plate 5 is provided with a heat dissipation hole 9, the heat dissipation hole 9 can transfer the heat on the heat conduction plate 4 into the circular channel 7, the bottom ends of the heat dissipation holes 9 are communicated with the top of the inner wall of the circular channel 7, the two sides of the heat dissipation plate 5 are both provided with first conical grooves 6, and opposite sides of the inner walls of the two first conical grooves 6 are communicated with each other through a circular channel 7, the left side of the top of the mounting plate 1 of the circular channel 7 is fixedly connected with a micro heat radiation fan 8, the micro heat radiation fan 8 is connected with an external power supply through a lead, the top of the right side of the micro heat radiation fan 8 is fixedly connected with a connecting rod 12, and one end of the connecting rod 12 far away from the micro heat dissipation fan 8 is fixedly connected with the top of the left side of the heat dissipation plate 5.

During the use, the heat transfer that circuit board body 2 produced is to heat-conducting plate 5 on, then heat on the heat-conducting plate 5 passes through louvre 9 and gets into circular passage 7 in, the flow speed of air in the circular passage 7 is accelerated in the work of miniature heat dissipation fan 8, the air of heating panel bottom passes second tapered groove 10 and connecting hole 11 entering circular passage 7 under the effect that the inside air of circular passage 7 flows simultaneously, accelerate heat exchange's speed, can effectively improve the radiating rate, prevent that 2 high temperatures of circuit board body.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a domestic room heater PCB circuit board of button, includes mounting panel (1) and circuit board body (2), the equal fixedly connected with supporting leg (3) in both sides at mounting panel (1) top, its characterized in that: the circuit board comprises a circuit board body (2) and is characterized in that a heat-conducting plate (4) is fixedly connected to the bottom of the circuit board body (2) and a heat-radiating plate (5) is fixedly connected to the bottom of the heat-conducting plate (4), first conical grooves (6) are formed in two sides of the heat-radiating plate (5) and are communicated with each other through a circular channel (7) between one side, opposite to the inner wall of each first conical groove (6), and a miniature heat-radiating fan (8) is fixedly connected to the left side of the top of.

2. The PCB circuit board of the key-type household warmer of claim 1, wherein: the top of the heat dissipation plate (5) is provided with heat dissipation holes (9), and the bottom ends of the heat dissipation holes (9) are communicated with the top of the inner wall of the circular channel (7).

3. The PCB circuit board of the key-type household warmer of claim 1, wherein: the bottom of the heat dissipation plate (5) is provided with a second taper groove (10), and the top of the inner wall of the second taper groove (10) is communicated with the bottom of the inner wall of the circular channel (7) through a connecting hole (11).

4. The PCB circuit board of the key-type household warmer of claim 1, wherein: the circuit board body (2) comprises a substrate (21), a reinforcing plate (22) is adhered to the bottom of the substrate (21) through an adhesive, and a wiring layer (23) is adhered to the top of the substrate (21) through the adhesive.

5. A button domestic warmer PCB circuit board of claim 4, characterized in that: the top of the wire arrangement layer (23) is adhered with an anti-corrosion layer (24) through an adhesive, and the top of the anti-corrosion layer (24) is sprayed with an anti-static coating (25).

6. The PCB circuit board of the key-type household warmer of claim 1, wherein: the top fixedly connected with connecting rod (12) on miniature heat dissipation fan (8) right side to the one end that miniature heat dissipation fan (8) were kept away from in connecting rod (12) and the left top fixed connection of heating panel (5).