CN213586418U - Multilayer printed circuit board with strong anti-electromagnetic interference capability - Google Patents

Abstract

The utility model discloses a multilayer printed circuit board that anti-electromagnetic interference ability is strong. The utility model discloses a, including the protective housing, fixed block one is fixedly installed at the bottom inner wall both ends of protective housing, fixed block one is equipped with in the middle of the upper end of fixed block one, rubber pad one is fixedly installed at the inside both ends of fixed block one, bracing piece one is movably installed at the right-hand member of rubber pad one, the upper end of bracing piece one is fixedly connected with the connecting plate, the both ends sliding connection of connecting plate has the shell, dust guard is movably installed at the inner wall upper end of protective housing, the upper end of protective housing is movably connected with the heating panel, the surface of heating panel is equipped with the louvre, and novel in design has higher practicality, realizes shielding electromagnetic signal, is used for shielding the interference of external electromagnetism to the electronic chip, ensures the circuit normal operation on the chip, and heat dispersion is good, the circuit board is safe, safe and reliable.

Description

Multilayer printed circuit board with strong anti-electromagnetic interference capability

Technical Field

The utility model belongs to the technical field of printed circuit board, specifically be a multilayer printed circuit board that anti-electromagnetic interference ability is strong.

Background

A Printed Circuit Board (PCB) is made up of insulating plate as basic material through cutting to a certain size, attaching at least one conducting pattern with holes, and features that it can replace the chassis of electronic devices and can be used to connect electronic devices.

The current anti electromagnetic interference's printed circuit board is generally fixed with the bolt when the installation for it is very inconvenient when unloading, dismantle the in-process and cause the damage to printed circuit board very easily, reduced printed circuit board's life, simultaneously, printed circuit board can give off a large amount of heats because of electrical components's reason when using, if the heat is not in time effluvium, causes circuit short circuit and printed circuit board phenomenon of burning out easily, thereby has caused user's economic loss.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above-mentioned problems, a multilayer printed circuit board with high anti-electromagnetic interference capability is provided.

The utility model adopts the technical scheme as follows: a multilayer printed circuit board with strong anti-electromagnetic interference capability comprises a protective shell, wherein a first fixed block is fixedly arranged at two ends of the inner wall of the bottom of the protective shell, a first fixed groove is arranged in the middle of the upper end of the first fixed block, a first rubber pad is fixedly arranged at two ends inside the first fixed groove, a first support rod is movably arranged at the right end of the first rubber pad, a connecting plate is fixedly connected to the upper end of the first support rod, two ends of the connecting plate are slidably connected with a shell, a second fixed block is fixedly connected to the shell, a second fixed groove is formed in the upper end of the second fixed block, a second rubber pad is fixedly arranged at two ends inside the second fixed groove, a second support rod is movably arranged at the right end of the second rubber pad, a third fixed block is movably connected to the, the surface of the heat dissipation plate is provided with heat dissipation holes, and the lower ends of the heat dissipation holes are movably connected with heat dissipation fins.

In a preferred embodiment, a moisture-proof plate is fixedly mounted on the inner wall of the protective shell, and a shielding layer is fixedly mounted on the inner wall of the moisture-proof plate.

In a preferred embodiment, springs are movably mounted on two sides of the upper end of the connecting plate, and limiting rods are sleeved inside the springs.

In a preferred embodiment, two side sleeves at the lower end of the connecting plate are provided with limit rods, and the upper end and the lower end of each limit rod are fixedly provided with a shell.

In a preferred embodiment, a circuit board is movably mounted at the left end of the second fixing block, and a fourth fixing block is movably mounted at the left end of the circuit board.

In a preferred embodiment, a first circuit board is movably mounted at the left end of the third fixing block, and a fifth fixing block is movably mounted at the left end of the first circuit board.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through the security that can effectual protection circuit board of protection shield, through the dampproofing board of protective housing bottom, protection circuit board inner line is safe, avoids weing, through the shock attenuation and the reinforcing apparatus at circuit board both ends, avoids the circuit board to receive the shock, damages inner line, not only reduces the use that influences the circuit board, still increases the stability of circuit board.

2. The utility model discloses in, through utilizing the shielding layer, shield electromagnetic signal in order to realize, be used for shielding outside electromagnetism to electronic chip's interference, ensure the circuit normal operating on the chip, through the heating panel structure, there is fine cooling effect to the circuit board, higher practicality, the realization is shielded electromagnetic signal, be used for shielding outside electromagnetism to electronic chip's interference, ensure the circuit normal operating on the chip, heat dispersion is good, be convenient for arrange the connecting wire in order, the dampproofing function that takes precautions against earthquakes has, guarantee circuit board safety, safety and reliability.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

fig. 2 is a top view of the present invention;

fig. 3 is a middle elevation view of the present invention;

fig. 4 is a schematic diagram of the structure of the middle circuit board of the present invention.

The labels in the figure are: 1-protective shell, 2-circuit board, 3-shielding layer, 4-damp-proof plate, 5-heat dissipation plate, 6-dust-proof plate, 7-supporting rod II, 8-fixing block II, 9-supporting rod I, 10-fixing block I, 11-heat dissipation plate, 12-heat dissipation hole, 13-spring, 14-connecting plate, 15-limiting rod, 16-fixing groove I, 17-rubber pad I, 18-rubber pad II, 19-fixing groove II and 20-fixing block III.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model provides a technical scheme: a multilayer printed circuit board with strong anti-electromagnetic interference capability comprises a protective shell 1, wherein fixing block I10 is fixedly arranged at two ends of the inner wall of the bottom of the protective shell 1, a fixing groove I16 is arranged in the middle of the upper end of the fixing block I10, a rubber pad I17 is fixedly arranged at two ends inside the fixing groove I16, a supporting rod I9 is movably arranged at the right end of the rubber pad I17, a connecting plate 14 is fixedly connected to the upper end of the supporting rod I9, springs 13 are movably arranged at two sides of the upper end of the connecting plate 14, a limiting rod 15 is sleeved inside the springs 13, two ends of the connecting plate 14 are slidably connected with a shell, the shell is fixedly connected with a fixing block II 8, a circuit board 2 is movably arranged at the left end of the fixing block II 8, a fixing block IV is movably arranged at the left end of the circuit board 2, limiting rods 15, a second rubber pad 18 is fixedly arranged at two ends inside the second fixing groove 19, a second support rod 7 is movably arranged at the right end of the second rubber pad 18, the upper end of the second support rod 7 is movably connected with a third fixing block 20, a first circuit board is movably arranged at the left end of the third fixing block 20, a fifth fixing block is movably arranged at the left end of the first circuit board, the circuit board is prevented from being vibrated, internal circuits are damaged, the use of the circuit board is reduced, the stability of the circuit board is increased, a dustproof plate 6 is movably arranged at the upper end of the inner wall of the protective shell 1, a heat dissipation plate 5 is movably connected at the upper end of the protective shell 1, heat dissipation holes 12 are formed in the surface of the heat dissipation plate 5, heat dissipation fins 11 are movably connected at the lower ends of the heat dissipation holes 12, a good cooling, the shielding device is used for shielding the interference of external electromagnetism to the electronic chip, ensuring the normal operation of a circuit on the chip, protecting the safety of an internal circuit of a circuit board and avoiding the internal circuit from being affected with damp.

The working principle is as follows: during the use, the user places bracing piece 9 at circuit board 2 both ends on protection shield 1, utilizes inside fixed block 10 of protection shield 1 to fix, and damping device is installed to the upper end of bracing piece 10 to increase circuit board 2's stability, and 1 internally mounted of protection shield has shielding layer 3 and dampproof board 4, is used for shielding outside electromagnetism to electronic chip's interference, ensures the circuit normal operating on the chip, and protection circuit board inner line is safe, avoids weing.

In this multilayer printed circuit board that anti-electromagnetic interference ability is strong, through the security that protective housing 1 can effectual protective circuit board 2, through the dampproofing board 4 of protective housing 1 bottom, 2 internal line safety of protective circuit board avoid weing, through shock attenuation and the reinforcing apparatus at 2 both ends of circuit board, avoid circuit board 2 to receive the shock, damage the internal line, not only reduce the use that influences circuit board 2, still increase circuit board 2's stability.

In this multilayer printed circuit board that anti-electromagnetic interference ability is strong, through utilizing shielding layer 3 to the realization is shielded electromagnetic signal, is used for shielding outside electromagnetism to electronic chip's interference, ensures the circuit normal operating on the chip, through heating panel 5 structure, has fine cooling effect to circuit board 2, higher practicality, heat dispersion is good, is convenient for arrange the connecting wire in order, has shockproof dampproofing function, guarantees circuit board 2 safety, safe and reliable.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (6)

1. The utility model provides a multilayer printed circuit board that anti-electromagnetic interference ability is strong, includes protective housing (1), its characterized in that: the protective shell is characterized in that a first fixed block (10) is fixedly mounted at two ends of the inner wall of the bottom of the protective shell (1), a first fixed groove (16) is arranged in the middle of the upper end of the first fixed block (10), a first rubber pad (17) is fixedly mounted at two ends of the inside of the first fixed groove (16), a first support rod (9) is movably mounted at the right end of the first rubber pad (17), a connecting plate (14) is fixedly connected to the upper end of the first support rod (9), a shell is slidably connected to two ends of the connecting plate (14), a second fixed block (8) is fixedly connected to the shell, a second fixed groove (19) is formed in the upper end of the second fixed block (8), a second rubber pad (18) is fixedly mounted at two ends of the inside of the second fixed groove (19), a second support rod (7) is, the dustproof plate (6) is movably mounted at the upper end of the inner wall of the protective shell (1), the upper end of the protective shell (1) is movably connected with a heat dissipation plate (5), heat dissipation holes (12) are formed in the surface of the heat dissipation plate (5), and heat dissipation fins (11) are movably connected at the lower ends of the heat dissipation holes (12).

2. The multilayer printed circuit board of claim 1, wherein the multilayer printed circuit board has a high resistance to electromagnetic interference, and further comprises: the inner wall fixed mounting of protective housing (1) has dampproofing board (4), the inner wall fixed mounting of dampproofing board (4) has shielding layer (3).

3. The multilayer printed circuit board of claim 1, wherein the multilayer printed circuit board has a high resistance to electromagnetic interference, and further comprises: the spring (13) is movably mounted on two sides of the upper end of the connecting plate (14), and a limiting rod (15) is sleeved inside the spring (13).

4. The multilayer printed circuit board of claim 1, wherein the multilayer printed circuit board has a high resistance to electromagnetic interference, and further comprises: the lower extreme both sides cover of connecting plate (14) is equipped with gag lever post (15), the upper and lower both ends fixed mounting of gag lever post (15) has the shell.

5. The multilayer printed circuit board of claim 1, wherein the multilayer printed circuit board has a high resistance to electromagnetic interference, and further comprises: the left end movable mounting of fixed block two (8) has circuit board (2), the left end movable mounting of circuit board (2) has fixed block four.

6. The multilayer printed circuit board of claim 1, wherein the multilayer printed circuit board has a high resistance to electromagnetic interference, and further comprises: the left end of the third fixing block (20) is movably provided with a first circuit board, and the left end of the first circuit board is movably provided with a fifth fixing block.

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