CN111447777A

CN111447777A - Automatically cleaning PCB board

Info

Publication number: CN111447777A
Application number: CN202010257743.2A
Authority: CN
Inventors: 谢润鹏
Original assignee: Wanan Yuwei Electronics Co Ltd
Current assignee: Wanan Yuwei Electronics Co Ltd
Priority date: 2020-04-03
Filing date: 2020-04-03
Publication date: 2020-07-24

Abstract

The invention discloses a self-cleaning PCB (printed circuit board), which comprises a PCB, a copper foil layer, a resin bonding layer, a flame-retardant insulating bottom plate, an upper clamping plate, a knob, a threaded rod, a lower clamping plate, a fixing screw, a mounting plate, a fixing bottom plate, a lower connecting plate, a rotating shaft, a rubber cushion layer, a fixing clamping plate, an upper connecting plate, a micro fan, an upper fixing plate, a damping spring, a circular fixing shell, a connecting circular rod, a fixing circular plate and a rubber gasket. The invention has the beneficial effects that: this device is rational in infrastructure, can play the radiating action to the PCB board through micro-fan, avoids the PCB board high temperature to lead to the heat to pile up when using, and components and parts damage, and micro-fan can blow off the dust that the PCB board surface was deposited up simultaneously, avoids the dust to pile up on components and parts, plays the effect of automatically cleaning.

Description

Automatically cleaning PCB board

Technical Field

The invention relates to a PCB (printed circuit board), in particular to a self-cleaning PCB, and belongs to the technical field of PCB application.

Background

The names of the circuit boards are as follows: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board, etc. The circuit board enables the circuit to be miniaturized and visualized, and plays an important role in batch production of fixed circuits and optimization of electric appliance layout.

A lot of problems need be noticed to the PCB board when using, because of PCB board self electronic components is more, produce the external dust of electrostatic absorption easily, lead to the dust to pile up for a long time, influence electronic components's life-span, cause the maintenance, simultaneously, the PCB board is all with the fix with screw on corresponding mounting panel usually now, it is comparatively hard to disassemble, and the maintenance is changed inconveniently. Therefore, a self-cleaning PCB is proposed to solve the above problems.

Disclosure of Invention

The present invention is directed to solving the above problems and to providing a self-cleaning PCB.

The invention achieves the aim through the following technical scheme, and the self-cleaning PCB comprises a PCB, an upper fixing plate, a mounting plate, a lower fixing plate and a damping structure;

one side of the upper surface of the lower fixed plate is fixedly connected with one end of a lower connecting plate, the other end of the lower connecting plate is rotatably connected with one end of an upper connecting plate through a rotating shaft, the other end of the upper connecting plate is fixedly connected with an upper fixed plate, one end of the lower surface of the upper fixed plate is fixedly connected with an upper clamping plate, the other side of the upper surface of the lower fixed plate is fixedly connected with a lower clamping plate, and a micro-fan is fixedly arranged on the lower surface of the upper fixed plate;

the PCB comprises a copper foil layer, a resin bonding layer and a flame-retardant insulating bottom plate, wherein the copper foil layer is fixed on the upper surface of the flame-retardant insulating bottom plate in a compounding manner through the resin bonding layer;

shock-absorbing structure includes damping spring, circular set casing, connects pole, fixed plectane and rubber gasket, the connection pole has been cup jointed in the inner chamber of circular set casing to slide, the one end fixedly connected with damping spring's of connection pole one end, damping spring's the other end fixedly connected to the inner chamber lateral wall department of circular set casing, connect the pole make the fixed plectane of one end fixedly connected with, the fixed plectane of fixedly connected with rubber gasket on the surface.

Preferably, a mounting groove is formed between the lower connecting plate and the upper connecting plate, a mounting groove is formed between the upper clamping plate and the lower connecting plate, and the shape and size of the mounting groove are the same as those of the fixed clamping plate.

Preferably, the outer surfaces of the two fixing clamping plates are fixedly covered with rubber cushion layers.

Preferably, the number of the shock-absorbing structures is two, four of the shock-absorbing structures are fixed at the lower surface of the upper fixing plate, and five of the shock-absorbing structures are fixed at the upper surface of the lower fixing plate.

Preferably, the shock-absorbing structures are grouped in pairs, four groups of shock-absorbing structures are pressed at four corners of the surface of the PCB, and the last shock-absorbing structure is pressed at the center of the lower surface of the PCB.

Preferably, threaded grooves are formed in the upper clamping plate and the lower clamping plate, and threaded rods are connected in the two threaded grooves through common threads.

Preferably, equal fixedly connected with mounting panel on the both sides side of bottom plate, the mounting hole has been seted up on the mounting panel, install set screw in the mounting hole.

Preferably, the number of the fixing screws is 12, and each mounting plate is provided with 6 fixing screws.

Preferably, the surface of the micro fan is 4cm away from the upper surface of the PCB.

Preferably, the number of the threaded rods is two, the two threaded rods are in threaded connection with two sides of the lower clamping plate, and one ends of the two knobs are fixedly connected with the knobs.

The invention has the beneficial effects that:

1. this device is rational in infrastructure, can play the radiating action to the PCB board through micro-fan, avoids the PCB board high temperature to lead to the heat to pile up when using, and components and parts damage, and micro-fan can blow off the dust that the PCB board surface was deposited up simultaneously, avoids the dust to pile up on components and parts, plays the effect of automatically cleaning.

2. This device installation is dismantled conveniently, does not need other appurtenance when the installation is dismantled, easy operation, and it is quick to use, is convenient for go on with the change work to the maintenance of PCB board, is fit for using widely.

3. This device has shock-absorbing structure, extrudees fixedly to the PCB board through a plurality of shock-absorbing structure, can play the effect that slows down self vibrations when vibrations appear in the PCB board, and the shock attenuation effect preferred avoids components and parts on the PCB board to lead to damaging because of vibrations are excessive, is fit for using on vehicle or machine.

Drawings

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

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic side view of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 2A;

FIG. 5 is a schematic structural diagram of a PCB board of the present invention.

In the figure: 1. the PCB board, 101, the copper foil layer, 102, the resin bond line, 103, fire-retardant insulating bottom plate, 2, connect the upper clamping plate, 3, the knob, 4, the threaded rod, 5, connect lower clamping plate, 6, set screw, 7, the mounting panel, 8, PMKD, 9, lower connecting plate, 10, the axis of rotation, 11, the rubber cushion layer, 12, fixed clamping plate, 13, the upper junction plate, 14, the micro-fan, 15, the upper fixed plate, 16, damping spring, 17, circular stationary housing, 18, connect the pole, 19, fixed plectane, 20, the rubber cushion.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Referring to fig. 1-5, a self-cleaning PCB includes a PCB 1, an upper fixing plate 15, a mounting plate 7, a lower fixing plate 8 and a shock-absorbing structure;

one side of the upper surface of the lower fixing plate 8 is fixedly connected with one end of a lower connecting plate 9, the other end of the lower connecting plate 9 is rotatably connected with one end of an upper connecting plate 13 through a rotating shaft 10, the other end of the upper connecting plate 13 is fixedly connected with an upper fixing plate 15, one end of the lower surface of the upper fixing plate 15 is fixedly connected with an upper clamping plate 2, the other side of the upper surface of the lower fixing plate 8 is fixedly connected with a lower clamping plate 5, and a micro-fan 14 is fixedly mounted on the lower surface of the upper fixing plate 15;

the PCB comprises a PCB 1 and a flame-retardant insulating base plate 103, wherein both sides of the PCB 1 are fixedly connected with fixing clamping plates 12, the PCB 1 comprises a copper foil layer 101, a resin bonding layer 102 and the flame-retardant insulating base plate 103, and the copper foil layer 101 is fixed on the upper surface of the flame-retardant insulating base plate 103 in a compounding manner through the resin bonding layer 102;

shock-absorbing structure includes damping spring 16, circular fixed shell 17, connects pole 18, fixed plectane 19 and rubber shim 20, the slip cup joints in the inner chamber of circular fixed shell 17 and connects pole 18, the one end fixedly connected with damping spring 16's of connecting pole 18 one end, damping spring 16's other end fixedly connected to the inner chamber lateral wall department of circular fixed shell 17, connect the fixed plectane 19 of making one end fixedly connected with of pole 18, fixed plectane 19's fixedly connected with rubber shim 20 on the surface.

An installation groove is formed between the lower connecting plate 9 and the upper connecting plate 13, an installation groove is formed between the upper clamping plate 2 and the lower clamping plate 5, and the shape and size of the installation groove are the same as those of the fixed clamping plate 12; the outer surfaces of the two fixing clamping plates 12 are fixedly covered with rubber cushion layers 11; the number of the shock absorption structures is 9, four of the shock absorption structures are fixed at the lower surface of the upper fixing plate 15, and five of the shock absorption structures are fixed at the upper surface of the lower fixing plate 8; the damping structures are grouped in pairs, four groups of damping structures are pressed at four corners of the surface of the PCB 1, and the last damping structure is pressed at the center of the lower surface of the PCB 1; threaded grooves are formed in the upper clamping plate 2 and the lower clamping plate 5, and threaded rods 4 are connected in the two threaded grooves through common threads; mounting plates 7 are fixedly connected to the side edges of the two sides of the lower fixing plate 8, mounting holes are formed in the mounting plates 7, and fixing screws 6 are mounted in the mounting holes; the number of the fixing screws 6 is 12, and each mounting plate 7 is provided with 6 fixing screws 6; the surface of the micro fan 14 is 4cm away from the upper surface of the PCB board 1; the threaded rods 4 are two in total, the threaded rods 4 are in threaded connection with two sides of the lower clamping plate 5, and one ends of the two knobs 3 are fixedly connected with the knobs 3.

When the invention is used, firstly, the device is fixedly arranged on a corresponding position, the device is arranged at the corresponding mounting position, the lower fixing plate 8 is fixedly arranged through the mounting plates 7 and the fixing screws 6 at the two sides of the lower fixing plate 8, after the lower fixing plate 8 is fixedly arranged, the fixing clamping plates 12 at the two sides of the PCB 1 are respectively arranged on the mounting grooves between the lower connecting plate 9 and the upper connecting plate 13 and the mounting grooves between the upper clamping plate 2 and the lower clamping plate 5, the threaded rod 4 is connected in the threaded groove of the upper clamping plate 2 and the lower fixing plate 8 through rotating the knob 3, so that the upper clamping plate 2 and the lower clamping plate 5 are fixed, thus the fixed mounting work of the PCB 1 is completed, when the PCB 1 works, the upper surface of the PCB 1 is blown through the work of the micro-fan 14, the PCB 1 is radiated through blowing, in the radiating, also can blow off the dust on PCB board 1 surface, avoid the dust to pile up, when this device takes place vibrations, springback effect through damping spring 16 in the shock-absorbing structure drives and connects round bar 18, fixed plectane 19 and rubber gasket 20 extrude PCB board 1 fixedly, play good cushioning effect, avoid PCB board 1 to shake for a long time and lead to electronic components to damage, when PCB board 1 breaks down and needs to maintain, rotate two knobs 3 through the staff, in screwing out the thread groove of connecting up cardboard 2 with the one end of two threaded rods 4, then the rotation effect through axis of rotation 10, open upper fixed plate 15, can take out PCB board 1 and maintain, and is convenient for operation, and the use is swift.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A self-cleaning PCB board is characterized in that: comprises a PCB (1), an upper fixing plate (15), a mounting plate (7), a lower fixing plate (8) and a damping structure;

one side of the upper surface of the lower fixing plate (8) is fixedly connected with one end of a lower connecting plate (9), the other end of the lower connecting plate (9) is rotatably connected with one end of an upper connecting plate (13) through a rotating shaft (10), the other end of the upper connecting plate (13) is fixedly connected with an upper fixing plate (15), one end of the lower surface of the upper fixing plate (15) is fixedly connected with an upper clamping plate (2), the other side of the upper surface of the lower fixing plate (8) is fixedly connected with a lower clamping plate (5), and a micro fan (14) is fixedly installed on the lower surface of the upper fixing plate (15);

the fixing clamping plates (12) are fixedly connected to two sides of the PCB (1), the PCB (1) comprises a copper foil layer (101), a resin bonding layer (102) and a flame-retardant insulating bottom plate (103), and the copper foil layer (101) is fixed on the upper surface of the flame-retardant insulating bottom plate (103) in a compounding mode through the resin bonding layer (102);

shock-absorbing structure includes damping spring (16), circular set casing (17), connects round bar (18), fixed plectane (19) and rubber gasket (20), slip in the inner chamber of circular set casing (17) and cup jointed connection round bar (18), the one end of the one end fixedly connected with damping spring (16) of connecting round bar (18), the other end fixed connection of damping spring (16) is to the inner chamber lateral wall department of circular set casing (17), connect the fixed plectane (19) of the one end fixedly connected with that makes of round bar (18), the fixed plectane (19) of fixedly connected with rubber gasket (20) on the surface.

2. A self-cleaning PCB panel as claimed in claim 1, wherein: the clamping device is characterized in that a mounting groove is formed between the lower connecting plate (9) and the upper connecting plate (13), a mounting groove is formed between the upper clamping plate (2) and the lower clamping plate (5), and the shape and the size of the mounting groove are the same as those of the fixed clamping plate (12).

3. A self-cleaning PCB panel as claimed in claim 1, wherein: the outer surfaces of the two fixing clamping plates (12) are fixedly covered with rubber cushion layers (11).

4. A self-cleaning PCB panel as claimed in claim 1, wherein: the number of the shock absorption structures is 9, four of the shock absorption structures are fixed at the lower surface of the upper fixing plate (15), and five of the shock absorption structures are fixed at the upper surface of the lower fixing plate (8).

5. A self-cleaning PCB panel as claimed in claim 1, wherein: the damping structure is in a group, four groups of damping structures are pressed at four corners of the surface of the PCB (1), and the last damping structure is pressed at the center of the lower surface of the PCB (1).

6. A self-cleaning PCB panel as claimed in claim 1, wherein: threaded grooves are formed in the inner parts of the upper clamping plate (2) and the lower clamping plate (5), and threaded rods (4) are connected in the two threaded grooves through common threads.

7. A self-cleaning PCB panel as claimed in claim 1, wherein: equal fixedly connected with mounting panel (7) on the both sides side of bottom plate (8), the mounting hole has been seted up on mounting panel (7), install set screw (6) in the mounting hole.

8. A self-cleaning PCB panel as claimed in claim 1, wherein: the number of the fixing screws (6) is 12, and each mounting plate (7) is provided with 6 fixing screws (6).

9. A self-cleaning PCB panel as claimed in claim 1, wherein: the surface of the micro fan (14) is 4cm away from the upper surface of the PCB (1).

10. A self-cleaning PCB panel as claimed in claim 1, wherein: threaded rod (4) total two, two threaded rod (4) threaded connection is in the both sides of connecting cardboard (5) down, two the equal fixedly connected with knob (3) of one end of knob (3).