CN213783696U

CN213783696U - Circuit board with anti-interference performance

Info

Publication number: CN213783696U
Application number: CN202023327183.8U
Authority: CN
Inventors: 邱士友; 刘玉平
Original assignee: Suzhou Industrial Park Ouhan Power Supply Co ltd
Current assignee: Suzhou Industrial Park Ouhan Power Supply Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-07-23
Anticipated expiration: 2030-12-31

Abstract

The utility model belongs to the technical field of circuit boards, in particular to a circuit board with anti-interference performance, which comprises a circuit board main body, wherein the bottom of the circuit board main body is provided with a radiating fin plate, four corners of the circuit board main body are symmetrically and fixedly inserted with shock-absorbing columns, and the upper and lower ends of the shock-absorbing columns are respectively detachably inserted with a shell; the shell on the upper side and the lower side comprises a damping layer, an anti-interference layer and an insulating layer which are sequentially arranged from inside to outside, a through groove is formed in a boss on the outer side of the shell on the upper side and the lower side, and a heat dissipation fan is embedded in the through groove; upper and lower both sides the anti-interference layer includes from interior to exterior metallic aluminum wire shielding net layer and the PET rete that sets gradually, has solved the defect that leads to the interference killing feature poor through single protective structure, still has the defect of structure, function singleness simultaneously, makes the circuit board not have shock attenuation and radiating performance concurrently in interference immunity performance, leads to the problem that its practicality reduces.

Description

Circuit board with anti-interference performance

Technical Field

The utility model belongs to the technical field of the circuit board, concretely relates to circuit board with interference immunity ability.

Background

The circuit board has the name: the printed circuit board comprises a circuit board, a PCB board, an aluminum substrate, a high-frequency board, a thick copper board, an impedance board, a PCB, an ultrathin circuit board, a printed (copper etching technology) circuit board and the like. 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. Circuit boards are supports for circuit components and devices in electronic products. Greatly reduced the volume of electrical apparatus, accorded with modern people to the demand that the portability is high, the performance is bold. Which provides electrical connections between circuit elements and devices. With the rapid development of electronic technology, the density of PCBs is increasing. The quality of the PCB design has a large impact on the interference resistance. The traditional circuit board can often encounter the problem of electromagnetic interference in the use process, and the influence of the electromagnetic interference is more obvious particularly on the occasions of some precise purposes. Due to electromagnetic interference, the accuracy, stability and other performances of the circuit board are reduced, potential losses such as economy and manpower can be caused, and the requirement of the modern society on accurate control is greatly not facilitated.

When a circuit board in the prior art is used, although the circuit board has an anti-interference performance, the defect of poor anti-interference performance is caused by a single protection structure, and meanwhile, the defect of single structure and function still exists, so that the circuit board does not have shock absorption and heat dissipation performances while having an anti-interference performance, and the practicability of the circuit board is reduced, and therefore, the need for developing a circuit board having an anti-interference performance is urgently needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a circuit board with interference immunity performance has solved and has leaded to the poor defect of interference killing feature through single protective structure, still has structure, function singleness's defect simultaneously, makes the circuit board not have shock attenuation and radiating performance concurrently in interference immunity performance, leads to the problem that its practicality reduces.

The utility model discloses a following technical scheme realizes:

a circuit board with anti-interference performance comprises a circuit board main body, wherein a radiating fin plate is arranged at the bottom of the circuit board main body, shock absorption columns are symmetrically and fixedly inserted at four corners of the circuit board main body, and shells are detachably inserted at the upper ends and the lower ends of the shock absorption columns respectively;

the shell on the upper side and the lower side comprises a damping layer, an anti-interference layer and an insulating layer which are sequentially arranged from inside to outside, a through groove is formed in a boss on the outer side of the shell on the upper side and the lower side, and a heat dissipation fan is embedded in the through groove;

the upper and lower both sides anti-interference layer includes metal aluminium silk shielding network layer and the PET rete that from inside to outside sets gradually.

Preferably, the heat dissipation fin plate is made of a heat-conducting copper heat dissipation plate material, and a plurality of heat dissipation fin grooves are uniformly formed in the bottom of the heat dissipation fin plate.

Preferably, the wall of each of the plurality of radiating fin grooves is plated with a graphene coating, and the thickness of the graphene coating is 2-5 mm.

Preferably, the shock absorption column comprises a base and a connecting part, the connecting part is symmetrically arranged at the upper end and the lower end of the base, a thread is arranged on the connecting part, four corners of the shell at the upper side and the lower side are provided with inserting holes matched with the connecting part, and the shell at the upper side and the lower side is detachably locked and installed with the circuit board main body through the matching of the connecting part, the inserting holes and the locking screw sleeve.

Preferably, the diameter of the base is larger than that of the connecting part, and after the upper and lower sides of the shell and the circuit board main body are mounted, the inner cavities of the upper and lower sides of the shell can respectively accommodate the electrical components on the circuit board main body and the heat dissipation fin.

Preferably, the shock-absorbing layer is made of a heat-conducting silica gel layer material.

Preferably, the outer sides of the through grooves on the upper side and the lower side further comprise embedded dustproof mesh layers, and the dustproof mesh layers are made of glass fiber filter layers.

Preferably, four corners of the bottom of the boss of the shell positioned at the lower side further comprise symmetrically arranged convex mounting feet.

Preferably, the circuit board main body further comprises a micro temperature sensor and a micro processor, the micro temperature sensor and the micro processor are arranged on the circuit board main body, and the micro processor is electrically connected with the circuit board main body, the micro temperature sensor and the heat dissipation fan respectively.

The utility model has the advantages that:

the utility model solves the defect of poor anti-interference performance caused by a single protective structure and the defect of single structure and function, so that the circuit board has the anti-interference performance and the shock absorption and heat dissipation performance, thereby reducing the practicability;

and the utility model discloses structure, novelty, reasonable in design, convenient to use has stronger practicality.

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, 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 creative efforts.

Fig. 1 is a front exploded view of the present invention;

fig. 2 is a bottom exploded view of the present invention;

fig. 3 is a top exploded view of the present invention;

fig. 4 is a schematic view of the structure of the housing of the present invention;

fig. 5 is a schematic diagram of the structure of the anti-interference layer of the present invention.

In the figure: the circuit board comprises a circuit board main body, 2-radiating fin plates, 201-radiating fin grooves, 3-shock absorption columns, 301-bases, 302-connecting parts, 303-inserting holes, 304-locking thread sleeves, 4-shells, 401-shock absorption layers, 402-anti-interference layers, 4021-metal aluminum wire shielding net layers, 4022-PET film layers, 403-insulating layers, 5-through grooves, 6-radiating fans and 7-protruding mounting pins.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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.

The first embodiment is as follows:

please refer to fig. 1-5: the utility model provides an embodiment, the technical scheme specifically discloses a circuit board with anti-interference performance, which comprises a circuit board main body 1, wherein the bottom of the circuit board main body 1 is provided with a heat dissipation fin plate 2, and heat generated by an electric element on the circuit board main body 1 can be dissipated through the heat conduction of the heat dissipation fin plate 2; four corners of the circuit board main body 1 are symmetrically and fixedly inserted with shock-absorbing columns 3, and the upper and lower ends of the shock-absorbing columns 3 are respectively detachably inserted with a shell 4; the shock absorption columns 3 can buffer and absorb shock generated when electric elements on the circuit board main body 1 run;

the upper and lower side shells 4 comprise a shock-absorbing layer 401, an anti-interference layer 402 and an insulating layer 403 which are sequentially arranged from inside to outside, the shock-absorbing effect of the shock-absorbing layer 401 on the generated shock can be further enhanced, the anti-interference purpose on external signals can be achieved through the arrangement of the anti-interference layer 402, and the purpose of insulating the external signals can be achieved through the arrangement of the insulating layer 403; through grooves 5 are formed in bosses on the outer sides of the shells 4 on the upper side and the lower side, heat dissipation fans 6 are embedded in the through grooves 5, when heat dissipation is needed, the heat dissipation fans 6 on the upper side and the lower side can be controlled to work synchronously, the heat dissipation fans 6 on the upper side and the lower side synchronously blow and dissipate heat above and below the circuit board main body 1 respectively, and the blowing and heat dissipation effects of the heat dissipation fans are further improved by blowing and dissipating heat on the upper side and the lower side of the circuit board main body 1;

the upper and lower anti-interference layer 402 of both sides includes from interior to exterior metallic aluminum wire shielding net layer 4021 and PET rete 4022 that set gradually, through the setting of dual anti-interference protective structure layer, can further strengthen its anti-interference shielding performance.

Specifically, the heat dissipation fin plate 2 is made of a heat-conducting copper heat dissipation plate material, and the bottom of the heat dissipation fin plate 2 is uniformly provided with a plurality of heat dissipation fin grooves 201, so that the heat conduction heat dissipation effect of the heat dissipation fin plate 2 can be further enhanced, and the heat dissipation fan 6 with the lower side is used for blowing and heat dissipation, so that the heat dissipation effect of the heat dissipation fin plate on the circuit board main body 1 can be further improved.

Specifically, the wall of each of the plurality of heat dissipation fin grooves 201 is plated with a graphene coating, and the thickness of the graphene coating is 2-5mm, so that the heat conduction and heat dissipation effect of the heat dissipation fin plate 2 is further enhanced.

Specifically, the shock absorber post 3 includes base 301 and connecting portion 302, the last lower terminal symmetry of base 301 is equipped with connecting portion 302, set up screw thread on the connecting portion 302, jack 303 with connecting portion 302 matched with is seted up in the four corners of upper and lower both sides casing 4, through connecting portion 302 between upper and lower both sides casing 4 and the circuit board main part 1, the locking installation can be dismantled in jack 303 and the cooperation of locking swivel nut 304, through connecting portion 302 on the shock absorber post 3, use with jack 303 and the cooperation of locking swivel nut 304, reach the purpose of carrying out quick assembly disassembly combination to casing 4 and circuit board main part 1.

Specifically, the diameter of the base 301 is larger than that of the connecting portion 302, and after the upper and lower side shells 4 and the circuit board main body 1 are mounted, and after the mounting is completed, the vibration generated by the electric device on the circuit board main body 1 can be damped, buffered and absorbed through the damping buffer effect of the shock-absorbing column 3, so that the service life of the electric device on the circuit board main body 1 is further prolonged; the inner cavities of the upper and lower side shells 4 can respectively contain the electric appliance element and the heat dissipation fin plate 2 on the circuit board main body 1, so that the rapid heat dissipation is convenient.

Specifically, the shock-absorbing layer 401 is made of a heat-conducting silica gel layer, and heat conduction and heat dissipation can be performed while shock-absorbing damping buffering is achieved.

Specifically, the outside that the groove 5 was led to upper and lower both sides still includes the dustproof network layer of inlaying and establishing, and the dustproof network layer is made for glass fiber filter layer material, and the heat dissipation fan 6 during operation of blowing the heat dissipation, can reach the purpose of filtering the dust removal to outside dust, prevents the circuit short circuit that the dust arouses.

Specifically, the boss bottom four corners that is located downside casing 4 still includes the protruding installation foot 7 that the symmetry set up, through the setting of protruding installation foot 7, when installing this circuit board and using, can make the casing 4 of downside and wait to leave certain clearance between the installation site, make things convenient for heat dissipation fan 6 of downside to drive the heat dissipation of drying of ambient air.

Specifically, still including the miniature temperature sensor and the microprocessor that set up on the circuit board main part 1, microprocessor respectively with circuit board main part 1, miniature temperature sensor and heat dissipation fan 6 electrical property link to each other, when the heat on miniature temperature sensor detection circuit board main part 1 surpassed the predetermined threshold value of microprocessor, can send signal to microprocessor, the heat dissipation fan 6 of both sides carries out the heat dissipation work of blowing in step about the microprocessor control, can reach the purpose that carries out the rapid cooling to the heat that electric element produced on circuit board main part 1.

The utility model discloses under the design and the use that adopt above-mentioned structure, solved and lead to the poor defect of interference killing feature through single protective structure, still have structure, function singleness's defect simultaneously, make the circuit board not have shock attenuation and radiating performance concurrently in interference killing feature ability, lead to the problem that its practicality reduces.

Above-mentioned circuit board main part 1, miniature temperature sensor and 6 isoelectrical components's of heat dissipation fan control mode is through carrying out control rather than supporting microprocessor, and control circuit can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, only uses it, does not improve it, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer detail is repeated control mode and circuit connection.

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

1. A circuit board with anti-interference performance comprises a circuit board main body (1) and is characterized in that a radiating fin plate (2) is arranged at the bottom of the circuit board main body (1), shock absorption columns (3) are symmetrically and fixedly inserted at four corners of the circuit board main body (1), and shells (4) are detachably inserted at the upper ends and the lower ends of the shock absorption columns (3) respectively;

the shell (4) on the upper side and the lower side comprises a shock absorption layer (401), an anti-interference layer (402) and an insulating layer (403) which are sequentially arranged from inside to outside, a through groove (5) is formed in a boss on the outer side of the shell (4) on the upper side and the lower side, and a heat dissipation fan (6) is embedded in the through groove (5);

the anti-interference layers (402) on the upper side and the lower side comprise a metal aluminum wire shielding net layer (4021) and a PET film layer (4022) which are sequentially arranged from inside to outside.

2. The circuit board with the anti-interference performance according to claim 1, wherein the heat dissipation fin plate (2) is made of a heat conductive copper heat dissipation plate material, and a plurality of heat dissipation fin grooves (201) are uniformly formed in the bottom of the heat dissipation fin plate (2).

3. The circuit board with the anti-interference performance according to claim 2, wherein a graphene coating is plated on the wall of the heat dissipation fin grooves (201), and the thickness of the graphene coating is 2-5 mm.

4. The circuit board with the anti-interference performance according to claim 1, wherein the shock absorption column (3) comprises a base (301) and a connecting portion (302), the connecting portion (302) is symmetrically arranged at the upper end and the lower end of the base (301), a thread is arranged on the connecting portion (302), inserting holes (303) matched with the connecting portion (302) are arranged at four corners of the housing (4) at the upper side and the lower side, and the housing (4) at the upper side and the lower side and the circuit board main body (1) are detachably locked and installed through the matching of the connecting portion (302), the inserting holes (303) and the locking screw sleeve (304).

5. The circuit board with anti-interference performance according to claim 4, wherein the diameter of the base (301) is larger than that of the connecting portion (302), and after the upper and lower housings (4) are mounted on the circuit board main body (1), the inner cavities of the upper and lower housings (4) can respectively accommodate electrical components on the circuit board main body (1) and the heat dissipation fin (2).

6. The circuit board with anti-interference performance according to claim 1, characterized in that the shock absorbing layer (401) is made of a heat-conducting silica gel layer material.

7. The circuit board with the anti-interference performance according to claim 1, wherein the outer sides of the through grooves (5) at the upper and lower sides further comprise embedded dust screen layers, and the dust screen layers are made of glass fiber filter layers.

8. The circuit board with anti-interference performance according to claim 1, characterized in that four corners of the bottom of the boss on the lower side of the shell (4) further comprise symmetrically arranged convex mounting feet (7).

9. The circuit board with the anti-interference performance according to claim 1, wherein the circuit board main body (1) further comprises a micro temperature sensor and a micro processor, and the micro processor is electrically connected with the circuit board main body (1), the micro temperature sensor and the heat dissipation fan (6), respectively.