CN213126624U

CN213126624U - PCB board with protective structure

Info

Publication number: CN213126624U
Application number: CN202022427530.8U
Authority: CN
Inventors: 夏增强
Original assignee: Kunshan Shenglong Technology Development Co ltd
Current assignee: Kunshan Shenglong Technology Development Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-05-04
Anticipated expiration: 2030-10-28

Abstract

The utility model discloses a PCB with a protective structure, which relates to the technical field of PCB, and comprises a substrate, a PCB body and a signal shielding cover, wherein the PCB body is fixedly arranged above the substrate, the signal shielding cover is movably sleeved outside the PCB body, an explosion-proof strip is embedded in the surface of the PCB body, an explosion-proof hole is arranged inside the explosion-proof strip, the bottom of the two side surfaces of the signal shielding cover is integrally connected with an installation ear, a fixing bolt is inserted in the internal activity of the installation ear, the left side surface of the signal shielding cover is provided with a wire arranging hole, and the left side surface of the substrate is provided with a heat dissipation hole. The safety protection performance of the product is enhanced, the quality of the finished product is effectively improved, and the manufacturing cost is reduced.

Description

PCB board with protective structure

Technical Field

The utility model relates to a PCB board technical field specifically is a PCB board with protective structure.

Background

The PCB is an indispensable device in electronic products. Because the inner layer of the PCB is provided with the metal copper foil, the conduction and interconnection between related elements on the PCB can be realized through the PCB, and the functional characteristics required by the product are finally realized.

In the existing PCB pressing process, the outermost layer is covered by copper thickness after being electroplated, thermal stress cannot be released outwards, and only can be diffused inwards, so that follow-up board explosion layering is easily caused to extend into the PCB, further the PCB is scrapped, the processing cost is increased, the safety protection performance is poor, in addition, the signal shielding cover of the existing PCB is usually welded on the PCB directly, and the signal shielding cover after welding is difficult to detach, so that the maintenance cost of the enlarged PCB is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB board with protective structure to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a PCB board with a protective structure comprises a substrate, a PCB body and a signal shielding cover, wherein the PCB body is fixedly arranged above the substrate, the signal shielding cover is movably sleeved outside the PCB body, an explosion-proof strip is embedded in the surface of the PCB body, an explosion-proof hole is formed in the explosion-proof strip, mounting lugs are integrally connected at the bottom of the two side surfaces of the signal shielding cover, fixing bolts are movably inserted in the mounting lugs, a wire arranging hole is arranged on the left side surface of the signal shielding cover in a penetrating way, heat dissipation holes are formed in the left side surface of the substrate, a fixing frame is welded on the top surface of the substrate, an exhaust fan is arranged in the fixing frame, a heat dissipation row is arranged at the center of the top surface of the substrate, a heat dissipation pipe is connected at the bottom end of the heat dissipation row in a penetrating way, and stand columns are fixedly arranged at the, and the surface opening of the substrate is provided with a screw hole.

Preferably, the explosion-proof strip is inserted in the inside of the PCB body in a penetrating manner, the explosion-proof holes are provided with a plurality of explosion-proof holes, and the plurality of explosion-proof holes are equidistantly distributed on the surface of the PCB body.

Preferably, the signal shielding cover is movably connected with the top surface of the base plate through the mounting lug, an inner thread is arranged on the inner wall of the screw hole, and the fixing bolt is matched with the screw hole through the inner thread.

Preferably, the exhaust fan passes through mount and base plate fixed connection, exhaust fan and mount are mutual joint.

Preferably, the heat dissipation bar is arranged under the exhaust fan, and the heat dissipation bar is communicated with the heat dissipation holes through the heat dissipation pipe.

Preferably, the top surface of the base plate is fixedly connected with the PCB body through an upright post, and the upright post is made of butyl rubber.

Preferably, the wire arranging hole is arranged at the center of the left surface of the signal shielding cover in a penetrating manner, and the inner wall of the wire arranging hole is tightly attached with the anti-abrasion rubber layer through a gel coat.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model provides a PCB board with protective structure, through being provided with explosion-proof strip and explosion-proof hole, the thermal stress that produces under the high temperature thermal shock in PCB plate body pressfitting in-process, accessible explosion-proof hole carries out effective release, avoids scrapping that the board layering of exploding of PCB plate body and leading to under the high temperature thermal shock condition, strengthens its safety protection nature, and then effectively promotes the finished product quality, reduces the cost of manufacture.

(2) The utility model provides a PCB board with protective structure, through being provided with installation ear, fixing bolt and screw, the cooperation of accessible fixing bolt and screw realizes base plate and signal shield cover's quick installation and separation, and convenient and fast more when making the maintenance components and parts that need overhaul, when guaranteeing the signal shielding effect of this PCB board, promotes its flexibility and practicality.

(3) The utility model provides a PCB board with protective structure, through being provided with the exhaust fan, the heat that produces when the PCB plate body moves can get into the heat dissipation row under the extraction of exhaust fan to in proper order through cooling tube and louvre discharge base plate, prevent that the heat that the long-time function of PCB board produced can't give off and cause components and parts to damage, effectively increase components and parts life, and then make this PCB board security obtain promoting.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the connection structure of the substrate and the PCB body of the present invention;

fig. 3 is a sectional view of the signal shielding case structure of the present invention;

fig. 4 is the utility model discloses a PCB plate body plane of bowing structure sketch map.

In the figure: 1. a substrate; 2. a PCB body; 3. a signal shield; 4. an explosion-proof strip; 5. an explosion-proof hole; 6. mounting lugs; 7. fixing the bolt; 8. a wire arranging hole; 9. heat dissipation holes; 10. a fixed mount; 11. an exhaust fan; 12. heat dissipation is carried out; 13. a radiating pipe; 14. a column; 15. and a screw hole.

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.

It should be noted that, in the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Further, it will be appreciated that the dimensions of the various elements shown in the figures are not drawn to scale, for ease of description, and that the thickness or width of some layers may be exaggerated relative to other layers, for example.

It should be noted that like reference numerals and letters refer to like items in the following figures, and thus, once an item is defined or illustrated in one figure, it will not need to be further discussed or illustrated in detail in the description of the following figure.

As shown in fig. 1-4, the utility model provides a technical solution: a PCB with a protection structure comprises a substrate 1, a PCB body 2 and a signal shielding cover 3, wherein the PCB body 2 is fixedly arranged above the substrate 1, the signal shielding cover 3 is movably sleeved outside the PCB body 2, an explosion-proof strip 4 is embedded in the surface of the PCB body 2, an explosion-proof hole 5 is formed in the explosion-proof strip 4, installation lugs 6 are integrally connected with the bottom of the two side surfaces of the signal shielding cover 3, fixing bolts 7 are movably inserted in the installation lugs 6, a wire arranging hole 8 is formed in the left side surface of the signal shielding cover 3 in a penetrating way, a heat dissipation hole 9 is formed in the left side surface of the substrate 1, a fixing frame 10 is welded on the top surface of the substrate 1, an exhaust fan 11 is arranged in the fixing frame 10, a heat dissipation row 12 is formed in the center position of the top surface of the substrate 1, a heat dissipation pipe 13 is connected with the bottom end of the heat dissipation row 12 in, and the surface of the substrate 1 is opened with screw holes 15.

Refer to fig. 4 and show, explosion-proof strip 4 link up and inlay in the inside of PCB plate body 2, explosion-proof hole 5 is provided with a plurality of, and 5 equidistance distributions in the surface of PCB plate body 2 in a plurality of explosion-proof hole, the thermal stress that produces under the high temperature thermal shock in-process of 2 pressfittings of PCB plate body, accessible explosion-proof hole 5 carries out effective release, avoid under the high temperature thermal shock condition PCB plate body 2 explode the board layering and what lead to scrap, strengthen its safety protection nature, and then effectively promote the finished product quality, reduce the cost of manufacture.

Referring to fig. 1 and 3, signal shield cover 3 is through the top surface swing joint of installation ear 6 with base plate 1, the 15 inner walls of screw are provided with the internal thread, fixing bolt 7 coincide each other through the internal thread with screw 15, realize base plate 1 and signal shield cover 3's quick installation and separation through fixing bolt 7 and screw 15's cooperation, convenient and fast more when making the maintenance components and parts that need overhaul, when guaranteeing the signal shielding effect of this PCB board, promote its flexibility and practicality.

Referring to fig. 2, exhaust fan 11 passes through mount 10 and 1 fixed connection of base plate, exhaust fan 11 is mutual joint with mount 10, heat dissipation row 12 sets up under exhaust fan 11, and heat dissipation row 12 passes through cooling tube 13 and louvre 9 through connection, the heat that produces when the PCB plate body 2 moves, can get into heat dissipation row 12 under exhaust fan 11's extraction, and in proper order through cooling tube 13 and louvre 9 exhaust base plate 1, prevent that the heat that the long-time function of PCB plate body 2 produced can't give off and cause the components and parts to damage, effectively increase components and parts life, and then make this PCB board security obtain the promotion.

Referring to fig. 2, the top surface of the substrate 1 is fixedly connected to the PCB board 2 through the columns 14, the columns 14 are made of butyl rubber, and the columns 14 made of butyl rubber can prevent short circuit caused by leakage of electricity from the PCB board 2 by using their own insulating properties.

Referring to fig. 1 and 3, the wire arranging hole 8 is arranged at the center of the left side surface of the signal shielding case 3, and the inner wall of the wire arranging hole 8 is tightly attached with an anti-abrasion rubber layer through a gel coat, the wire arranging hole 8 can arrange the wire to prevent winding, and the anti-abrasion rubber layer can prevent the wire from being abraded.

The working principle is as follows: firstly, the thermal stress generated under high-temperature thermal shock in the process of pressing the PCB body 2 can be effectively released through the explosion-proof hole 5, the scrapping caused by the board explosion layering of the PCB body 2 under the condition of high-temperature thermal shock is avoided, the safety protection performance of the PCB body is enhanced, the quality of finished products is further effectively improved, the manufacturing cost is reduced, when in installation, the signal shielding cover 3 is sleeved above the PCB body 2, the installation lug 6 is contacted with the substrate 1, then the fixing bolt 7 is rotated into the screw hole 15 to fix the substrate 1 and the signal shielding cover 3, when in need of overhauling and maintaining components, the fixing bolt 7 is screwed out of the screw hole 15 to separate the substrate 1 from the signal shielding cover 3, the rapid installation and separation of the substrate 1 and the signal shielding cover 3 are realized through the matching of the fixing bolt 7 and the screw hole 15, the components are more convenient and rapid to overhaul, the signal shielding effect of the PCB is ensured, promote its flexibility and practicality, afterwards, wear out signal shield cover 3 and connect external power source through rowed hole 8 with the winding displacement, make PCB plate body 2 operation, the heat that produces when PCB plate body 2 operation, can get into heat dissipation row 12 under exhaust fan 11's extraction, and in proper order through cooling tube 13 and louvre 9 discharge base plate 1, prevent that the heat that PCB plate body 2 long-time function produced can't distribute and cause the components and parts to damage, effectively increase components and parts life, and then make this PCB board security obtain promoting.

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 PCB board with protective structure, includes base plate (1), PCB plate body (2) and signal shield cover (3), its characterized in that: the PCB is characterized in that the PCB body (2) is fixedly arranged above the base plate (1), the signal shielding cover (3) is movably sleeved outside the PCB body (2), an explosion-proof strip (4) is embedded in the surface of the PCB body (2), an explosion-proof hole (5) is formed in the explosion-proof strip (4), mounting lugs (6) are integrally connected to the bottom of the two side surfaces of the signal shielding cover (3), fixing bolts (7) are movably inserted in the mounting lugs (6), a wire arranging hole (8) is formed in the left side surface of the signal shielding cover (3) in a penetrating mode, heat dissipation holes (9) are formed in the left side surface of the base plate (1), a fixing frame (10) is welded to the top surface of the base plate (1), an exhaust fan (11) is installed in the fixing frame (10), and a heat dissipation row (12) is formed in the center position of the top surface of the base plate (1), the bottom through connection of heat dissipation row (12) has cooling tube (13), the top surface both sides rigidity of base plate (1) is provided with stand (14), and the surface opening of base plate (1) is provided with screw (15).

2. The PCB board with the protective structure of claim 1, wherein: explosion-proof strip (4) link up and inlay in the inside of PCB plate body (2), explosion-proof hole (5) are provided with a plurality of, and a plurality of explosion-proof hole (5) equidistance distributes on the surface of PCB plate body (2).

3. The PCB board with the protective structure of claim 1, wherein: the signal shielding cover (3) is movably connected with the top surface of the base plate (1) through the mounting lugs (6), internal threads are arranged on the inner wall of the screw hole (15), and the fixing bolt (7) is matched with the screw hole (15) through the internal threads.

4. The PCB board with the protective structure of claim 1, wherein: exhaust fan (11) pass through mount (10) and base plate (1) fixed connection, exhaust fan (11) and mount (10) are mutual joint.

5. The PCB board with the protective structure of claim 1, wherein: the heat dissipation row (12) is arranged right below the exhaust fan (11), and the heat dissipation row (12) is communicated with the heat dissipation holes (9) through the heat dissipation pipe (13).

6. The PCB board with the protective structure of claim 1, wherein: the top surface of base plate (1) passes through stand (14) and PCB plate body (2) fixed connection, stand (14) are stand (14) of butyl rubber material.

7. The PCB board with the protective structure of claim 1, wherein: the wire arranging hole (8) is communicated with the center of the left side surface of the signal shielding cover (3), and the inner wall of the wire arranging hole (8) is tightly attached with an anti-abrasion rubber layer through a gel coat.