CN119071995A - A high stability circuit board - Google Patents
A high stability circuit board Download PDFInfo
- Publication number
- CN119071995A CN119071995A CN202410990659.XA CN202410990659A CN119071995A CN 119071995 A CN119071995 A CN 119071995A CN 202410990659 A CN202410990659 A CN 202410990659A CN 119071995 A CN119071995 A CN 119071995A
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- Prior art keywords
- circuit board
- pipe
- unit
- shaped
- half pipe
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 27
- 238000001816 cooling Methods 0.000 claims abstract description 23
- 239000000428 dust Substances 0.000 claims abstract description 16
- 238000009434 installation Methods 0.000 claims description 33
- 238000012360 testing method Methods 0.000 claims description 15
- 238000001514 detection method Methods 0.000 claims description 14
- 239000004744 fabric Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 11
- 230000002708 enhancing effect Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0201—Thermal arrangements, e.g. for cooling, heating or preventing overheating
- H05K1/0203—Cooling of mounted components
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/205—Heat-dissipating body thermally connected to heat generating element via thermal paths through printed circuit board [PCB]
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/002—Casings with localised screening
- H05K9/0022—Casings with localised screening of components mounted on printed circuit boards [PCB]
- H05K9/0024—Shield cases mounted on a PCB, e.g. cans or caps or conformal shields
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electromagnetism (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The application discloses a high-stability circuit board which comprises a circuit board body, a plurality of shielding cover units and a heat dissipation unit, wherein the shielding cover units are arranged at the circuit board body. According to the circuit board, the shielding cover unit does not need to be fixed, and after the radiating unit is disassembled, the shielding cover unit can be easily taken and placed, so that the shielding cover unit is convenient to install, take and place. The shielding cover unit has radiating fins and radiating holes, so that the passive radiating effect is improved, the radiating unit is further increased, the active radiating effect is achieved on all shielding cover units, and the radiating effect is better. The heat dissipation unit forms a plurality of shielding cover units into a whole, thereby integrally enhancing the integrity and strength of the circuit board. The self maintenance of the heat dissipation unit is more convenient, and when the circuit board is maintained, the dust conditions inside the outer air cooling pipe and the inner air cooling pipe are more convenient to check and maintain.
Description
Technical Field
The invention relates to the technical field of circuit boards, in particular to a high-stability circuit board.
Background
A wiring board is a type of fixed substrate that connects electronic components and the like. The circuit board can realize more circuits and component connection in a limited space, and the compactness and the performance of the electronic equipment are improved. The circuit board is widely applied to various electronic devices and plays a vital role in the electronic industry.
The number of electronic components mounted on the circuit board is large, the integration level is high, and electronic components such as a processor and the like which need heat dissipation or electromagnetic shielding are often mounted. The traditional circuit board department only provides electromagnetic shield with the shielding lid, and the installation mode installation of shielding lid is dismantled inconveniently to frequent dismantlement and installation still probably lead to shielding lid damage or not hard up, influence electromagnetic shield effect. In addition, the shielding cover is not good in heat dissipation effect when being used alone, and particularly in the application scene of high density and high power consumption, the heat dissipation area and the heat dissipation efficiency provided by the shielding cover can not meet the requirements far. This can lead to excessive temperatures in the electronic components, reduced performance, and even failure. Conventional circuit board designs also suffer from deficiencies in overall strength. Because of the lack of effective connection and support among the components, the circuit board is easy to deform or damage under the action of external forces such as vibration, impact and the like, and the stability and the reliability of the equipment are affected.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a high-stability circuit board.
In order to achieve the above purpose, the circuit board comprises a circuit board body, a plurality of shielding cover units and a heat dissipation unit, wherein the shielding cover units are arranged at the circuit board body, the heat dissipation unit comprises a cover unit, a lower inner half pipe and a lower outer half pipe, the cover unit comprises an upper inner half pipe, an upper outer half pipe and a heat conduction part for connecting the upper outer half pipe and the upper inner half pipe, all shielding cover units are abutted against the heat conduction part, the upper outer half pipe and the lower outer half pipe can be spliced into an outer air cooling pipe, and the upper inner half pipe and the lower inner half pipe can be spliced into an inner air cooling pipe.
Further, the cross section of the inner channel of the outer air cooling pipe is rectangular.
Further, the cross section of the inner passage of the inner air-cooled tube is rectangular.
Further, each shield cover unit is covered with components mounted to the circuit board body.
Thereby realizing shielding and heat dissipation for the components.
Further, the shielding cover unit has three, and is L shape and distributes, the shielding cover unit includes apron, a plurality of curb plate and a plurality of reference column of being connected with the apron, the tip bonding of reference column has the elastic pad, circuit board body department has a plurality of and reference column complex location blind holes.
Thereby, the installation and the positioning of the shielding cover unit are more accurate, and the shielding cover unit is ensured to be abutted against the heat conduction unit.
Furthermore, each cover plate is connected with four positioning columns, the circuit board body is provided with three shielding cover installation areas, and each shielding cover installation area is provided with four positioning blind holes.
Further, the heat conducting part comprises three heat conducting plates, the three heat conducting plates are respectively in one-to-one correspondence with the three shielding cover units, each heat conducting plate is abutted with the cover plate of one shielding cover unit, and the heat conducting plates are provided with strip-shaped through grooves; the three shielding cover units are positioned between the lower inner half pipe and the lower outer half pipe, the upper inner half pipe, the upper outer half pipe, the lower inner half pipe and the lower outer half pipe comprise two straight half pipes and arc-shaped half pipes connected with the two straight half pipes, two ends of the lower inner half pipe are respectively connected with an inner air inlet end pipe and an inner air outlet end pipe, two ends of the lower outer half pipe are respectively connected with an outer air inlet end pipe and an outer air outlet end pipe, two sides of the inner air inlet end pipe, the inner air outlet end pipe, the outer air inlet end pipe and the outer air outlet end pipe are respectively connected with side convex plates, bolt through holes are formed in the side convex plates, one strip-shaped installation seat is respectively arranged at the inner air inlet end pipe, the outer air inlet end pipe and the outer air outlet end pipe and is correspondingly provided with a strip-shaped installation seat fixed at the position of a circuit board body, the side convex plates are fixedly connected with the threaded holes through bolts, the inner convex plates are connected with the inner arc-shaped installation seat and the outer arc-shaped installation seat, and the outer arc-shaped installation seat is fixedly connected with the inner arc-shaped installation seat and the outer arc-shaped installation seat through the bolts.
Further, the inner air inlet end pipe, the inner air outlet end pipe, the outer air inlet end pipe and the outer air outlet end pipe are all installed in the accommodating grooves of the corresponding strip-shaped installation seats.
Thereby the installation of the inner air inlet end pipe, the inner air outlet end pipe, the outer air inlet end pipe and the outer air outlet end pipe is more stable.
Further, the lower inner half pipe is arranged at the inner arc-shaped groove, and the lower outer half pipe is arranged at the outer arc-shaped groove.
Therefore, the lower inner half pipe and the lower outer half pipe are more stably installed and more accurately positioned.
Further, each heat conducting plate is provided with two strip-shaped through grooves.
Therefore, the strip-shaped through grooves can realize passive heat dissipation.
Further, the inner arc-shaped convex plate and the outer arc-shaped convex plate are respectively provided with two bolt through holes.
Further, the cover plate of each shielding cover unit is provided with radiating fins positioned in the strip-shaped through grooves of the corresponding heat conducting plate, and the cover plate of the shielding cover unit is also provided with radiating holes which are not covered by the corresponding heat conducting plate.
Thereby the radiating fin and the radiating hole can increase the effect of passive heat radiation.
Further, the upper outer half pipe and the upper inner half pipe are provided with first step parts, and the lower outer half pipe and the lower inner half pipe are provided with second step parts matched with the first step parts.
Thereby the better concatenation is realized to outer halfpipe and outer halfpipe down, and the better concatenation can be realized to interior halfpipe of going up and interior halfpipe down.
The dust detection unit comprises a U-shaped plate and plugboards connected to two ends of the U-shaped plate, the plugboards are connected with a strip-shaped test unit, the end part of an inner air inlet end pipe, which is close to a lower inner half pipe, and the end part of an outer air inlet end pipe, which is close to a lower outer half pipe, are respectively provided with a first groove, one end of the upper inner half pipe and one end of the upper outer half pipe are respectively provided with a second groove, an insertion channel which is inserted by the plugboards is formed between the corresponding first grooves and the second grooves, a notch part and a plurality of limiting holes are formed in the U-shaped plate, a locking unit is arranged at the circuit board body and comprises a fixing seat fixedly connected with the circuit board body, a rotating seat fixedly connected with the fixing seat, a guide rod which is fixedly connected with the rotating seat, a connecting plate which is inserted by the guide rod and can be clamped into the notch part, a plurality of limiting protrusions which are connected with the connecting plate and can be inserted into the limiting holes, the clamping blocks are matched with the guide rod, and a tension spring which surrounds the guide rod is connected between the clamping blocks and the rotating seat.
Further, the strip-shaped test unit is strip-shaped test paper or strip-shaped test cloth.
Therefore, the strip-shaped test paper or strip-shaped test cloth can be attached with dust to realize detection of dust accumulation, and is flexible, so that the flow of heat dissipation airflow is not affected.
Further, the U-shaped plate includes two end plates and a strip plate connecting the two end plates.
Further, the connecting plate is provided with 4 limit protrusions, the U-shaped plate is provided with 4 limit holes, the rotating seat is connected with 2 guide rods, and the clamping block is provided with 2 guide holes.
Further, the U-shaped plate is provided with two round hole parts.
Thereby the round hole part is used for avoiding the bolt at the inner air inlet end pipe and the bolt at the outer air inlet end pipe.
Further, a processor unit, a plug-in interface unit and a memory card slot unit are installed at the circuit board body.
The beneficial effects are that:
1. According to the circuit board, the shielding cover unit does not need to be fixed, and after the radiating unit is disassembled, the shielding cover unit can be easily taken and placed, so that the shielding cover unit is convenient to install, take and place.
2. According to the circuit board disclosed by the application, the shielding cover unit is provided with the radiating fins and the radiating holes, so that the passive radiating effect is improved, and the heat can be radiated more quickly.
3. According to the circuit board, the heat radiating unit is added, an active heat radiating effect is achieved on all shielding cover units, and the service life of electronic components is prolonged.
4. The circuit board provided by the application can realize passive heat dissipation and active heat dissipation, and has the advantages of higher heat dissipation selectivity and better heat dissipation effect.
5. According to the circuit board, the plurality of shielding cover units are integrally formed by the heat dissipation unit, so that the integrity and strength of the circuit board are integrally enhanced, and the thickness of the circuit board is kept thin for the structures of the outer air cooling pipe and the inner air cooling pipe.
6. The circuit board is more convenient for maintaining the heat radiating unit, and is more convenient for checking and maintaining dust conditions in the outer air cooling pipe and the inner air cooling pipe during maintaining the circuit board.
Drawings
FIG. 1 is a circuit board component separation diagram;
FIG. 1A is an enlarged view of area 1A;
FIG. 1B is an enlarged view of area 1B;
FIG. 2 is a schematic view of the shield cover unit mounted on the circuit board body;
FIG. 2A is an enlarged view of the area 2A;
FIG. 2B is an enlarged view of the area 2B;
FIG. 3 is a schematic view of the installation of the lower outer half pipe and the lower inner half pipe;
FIG. 4 is a schematic view of an installation coverage unit;
FIG. 5 is a schematic view showing a process of fixing the dust detecting unit by using the locking unit;
Fig. 6 is a schematic view of the locking unit fixed to the dust detection unit.
The reference numerals show that a circuit board body 1, a positioning blind hole 1.1, a processor unit 1.2, a plug-in port unit 1.3, a memory card slot unit 1.4, a shielding cover unit 2, a cover plate 2.1, a side plate 2.2, a positioning column 2.3, an elastic pad 2.4, a radiating fin 2.5, a radiating hole 2.6, an upper inner half pipe 3, an inner arc convex plate 3.1, an upper outer half pipe 4, an outer arc convex plate 4.1, a heat conducting plate 5, a strip-shaped through slot 5.1, a lower inner half pipe 6, an inner air inlet end pipe 6.1, an inner air outlet end pipe 6.2, a lower outer half pipe 7, an outer air inlet end pipe 7.1, an outer air outlet end pipe 7.2, a side convex plate 8, a strip-shaped installation seat 9, a containing groove 9.1, an inner arc seat 10, an inner arc groove 10.1, an outer arc seat 11, an outer arc groove 11.1, a U12.1, a plug board 12.2, a test unit 12.3, a notch 12.4, a groove 12.5, a limit groove 12.5, a first guide rod 12.15.15, a limit seat 15.15, a limit clamp block 15.15, a fixing seat 15, and a limit clamp block 15.15.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in the figure, the high-stability circuit board comprises a circuit board body 1, a plurality of shielding cover units 2 and a heat dissipation unit, wherein the shielding cover units 2 are arranged at the circuit board body 1, the heat dissipation unit comprises a cover unit, a lower inner half pipe 6 and a lower outer half pipe 7, the cover unit comprises an upper inner half pipe 3, an upper outer half pipe 4 and a heat conduction part for connecting the upper outer half pipe 4 and the upper inner half pipe 3, all shielding cover units are abutted to the heat conduction part, the upper outer half pipe 4 and the lower outer half pipe 7 can be spliced into an outer air cooling pipe, and the upper inner half pipe 3 and the lower inner half pipe 6 can be spliced into an inner air cooling pipe. The shielding cover unit 2 has three, and is L shape and distributes, the shielding cover unit includes apron 2.1, a plurality of curb plate 2.2 and a plurality of reference column 2.3 of being connected with apron 2.1 that are connected with apron 2.1, the tip bonding of reference column 2.3 has elastic pad 2.4, circuit board body 1 department has a plurality of and reference column 2.3 complex location blind holes 1.1.
The heat conduction part comprises three heat conduction plates 5, the three heat conduction plates 5 are respectively in one-to-one correspondence with the three shielding cover units 2, each heat conduction plate 5 is abutted with the cover plate 2.1 of one shielding cover unit 2, and the heat conduction plate 5 is provided with a strip-shaped through groove 5.1; three shield cover units 2 are positioned between the lower inner half pipe 6 and the lower outer half pipe 7; the upper inner half pipe 3, the upper outer half pipe 4, the lower inner half pipe 6 and the lower outer half pipe 7 comprise two straight half pipes and an arc-shaped half pipe for connecting the two straight half pipes; the two ends of the lower inner half pipe 6 are respectively connected with an inner air inlet end pipe 6.1 and an inner air outlet end pipe 6.2, the two ends of the lower outer half pipe 7 are respectively connected with an outer air inlet end pipe 7.1 and an outer air outlet end pipe 7.2, the two sides of the inner air inlet end pipe 6.1, the inner air outlet end pipe 6.2, the outer air inlet end pipe 7.1 and the outer air outlet end pipe 7.2 are respectively connected with a side convex plate 8, bolt through holes are formed in the side convex plate 8, the inner air inlet end pipe 6.1, the inner air outlet end pipe 6.2, the outer air inlet end pipe 7.1 and the outer air outlet end pipe 7.2 are respectively provided with a strip-shaped installation seat 9 fixed on the circuit board body 1, the strip-shaped installation seat 9 is provided with an accommodating groove 9.1 and two threaded holes, the side convex plate 8 is fixedly connected with the strip-shaped installation seat 9 threaded holes through bolts (not shown in the figure), the upper inner arc-shaped convex plate 3.1 is connected with the inner arc-shaped convex plate 4, the upper arc-shaped installation seat 4.1 is provided with the inner arc-shaped installation seat 11.10, the outer arc-shaped installation seat 11.10 is provided with the inner arc-shaped installation seat 11, the inner arc-shaped convex plate 3.1 is fixedly connected with the threaded hole of the inner arc-shaped seat 10 through a bolt (the bolt is not shown in the figure), and the outer arc-shaped convex plate 4.1 is fixedly connected with the threaded hole of the outer arc-shaped seat 11 through a bolt (the bolt is not shown in the figure).
The cover plate 2.1 of each shielding cover unit 2 is provided with radiating fins 2.5 positioned in the strip-shaped through grooves 5.1 of the corresponding heat conducting plate 5, and the cover plate 2.1 of the shielding cover unit 2 is also provided with radiating holes 2.6 which are not covered by the corresponding heat conducting plate 5. The upper outer half pipe 4 and the upper inner half pipe 3 are provided with first step parts, and the lower outer half pipe 7 and the lower inner half pipe 6 are provided with second step parts matched with the first step parts. The circuit board further comprises a dust detection unit, the dust detection unit comprises a U-shaped plate 12.1 and plugboards 12.2 connected to two ends of the U-shaped plate 12.1, the plugboards 12.2 are connected with strip-shaped test units 12.3, the strip-shaped test units are strip-shaped test paper or strip-shaped test cloth, the end part of the inner air inlet end pipe 6.1, which is close to the lower inner half pipe 6, and the end part of the outer air inlet end pipe 7.1, which is close to the lower outer half pipe 7, are respectively provided with a first groove 13, one end of the upper inner half pipe 3 and one end of the upper outer half pipe 4 are respectively provided with a second groove 14, an insertion channel which is inserted by the plugboards 12.2 is formed between the corresponding first grooves and the second grooves, the U-shaped plate 12.1 is provided with a notch part 12.4 and a plurality of limiting holes 12.5, the circuit board body 1 is provided with a locking unit, and the locking unit comprises a fixed seat 15.1 fixedly connected with the circuit board body 1, a rotating seat 15.2 hinged with the fixed seat 15.1, a guide rod fixedly connected with the fixed seat 15.2, a guide rod fixedly connected with the rotating seat 15.2, a guide rod 3 fixedly connected with the rotating seat 15.2, a guide rod inserted by the guide rod 4 and a plurality of limiting holes 15.5, a clamping block 4.15.5 which are fixedly connected with the guide rod and a connecting plate 4.15. The connecting plate is provided with 4 limit protrusions, the U-shaped plate 12.1 is provided with 4 limit holes, the rotating seat 15.2 is connected with 2 guide rods, and the clamping block is provided with 2 guide holes. The circuit board body 1 is provided with a processor unit 1.2, a plug-in interface unit 1.3 and a memory card slot unit 1.4.
The circuit board has 3 shielding cover units, so that shielding and heat dissipation effects can be achieved for more components. When the shielding cover unit is installed, the positioning column and the elastic pad can be inserted into the positioning blind hole, and the elastic pad has certain elasticity, and the shielding cover unit is abutted with the radiating unit, so that stable installation of the shielding cover unit can be realized, and the elastic pad can ensure that the shielding cover unit is better abutted with the heat conducting plate, so that heat of the shielding cover unit is better transferred to the heat conducting plate. By fixing the lower outer half pipe and the lower inner half pipe, and then by installing the cover unit, the installation and fixing of the 3 shield cover units can be achieved. And outer air-cooled tube and interior air-cooled tube are close to the circuit board body for the heat-conducting plate more to outer air-cooled tube and interior air-cooled tube are in fact in a height with shielding lid unit, thereby make the holistic thickness of circuit board less, and the radiating unit can not increase too much extra thickness. After the covering unit is installed, the inner air cooling pipe and the outer air cooling pipe can realize passive heat dissipation in the device for installing the circuit board by the strip-shaped through grooves, the heat dissipation fins and the heat dissipation holes. Meanwhile, the inner air cooling pipe and the outer air cooling pipe can be used for realizing active heat dissipation. The heat dissipation selectivity is more, and the radiating effect is better.
And when the dust detection unit is installed, the insertion plate is inserted into the insertion channel, so that the strip-shaped detection cloth or strip-shaped detection paper (both the strip-shaped detection cloth or the strip-shaped detection paper are flexible) does not affect the flow of the heat radiation air flow (the outer air inlet end pipe and the inner air inlet end pipe need to be connected with the air flow generation unit when in use, for example, a fan is connected through a pipeline). When locking the dust detection unit, outwards rotate the fixture block, push down the U-shaped board again, make the fixture block reset afterwards for spacing arch and spacing hole cooperation, loosen the U-shaped board and can realize the fixed to the dust detection unit. After a period of use, when maintaining the device, can detect the condition that the paper surface was stained with the dust according to the bar and detect cloth or bar, judge the inside deposition condition of outer forced air cooling pipe and interior forced air cooling pipe, judge whether need open cover unit and clear up outer forced air cooling pipe and interior forced air cooling pipe, during the clearance, lower outer half pipe and lower interior half pipe need not dismantle, only need dismantle cover unit, can realize the clearance to the inside dust of outer forced air cooling pipe and interior forced air cooling pipe, install cover unit again after the clearance finishes.
While the invention has been shown and described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes and modifications may be made therein without departing from the scope of the invention as defined in the following claims.
Claims (8)
1. The utility model provides a high stability circuit board, its characterized in that, includes circuit board body, a plurality of shielding lid unit and heat dissipation unit, shielding lid unit install in circuit board body department, heat dissipation unit includes cover unit, lower interior halfpipe and lower outer halfpipe, cover unit includes interior halfpipe, outer halfpipe and the heat conduction portion of connecting outer halfpipe and interior halfpipe, all shielding lid unit all butt heat conduction portion, outer halfpipe and outer halfpipe can splice into outer air cooling pipe down, interior air cooling pipe can be spliced into with interior halfpipe down to interior halfpipe portion.
2. The high-stability circuit board according to claim 1, wherein the shielding cover units are three and distributed in an L shape, the shielding cover units comprise a cover plate, a plurality of side plates connected with the cover plate and a plurality of positioning columns connected with the cover plate, the end parts of the positioning columns are bonded with elastic pads, and the circuit board body is provided with a plurality of positioning blind holes matched with the positioning columns.
3. The high-stability circuit board according to claim 2, wherein the heat conducting part comprises three heat conducting plates, the three heat conducting plates are respectively in one-to-one correspondence with the three shielding cover units, each heat conducting plate is abutted with the cover plate of one shielding cover unit, and the heat conducting plates are provided with strip-shaped through grooves; the three shielding cover units are positioned between the lower inner half pipe and the lower outer half pipe, the upper inner half pipe, the upper outer half pipe, the lower inner half pipe and the lower outer half pipe respectively comprise two straight half pipes and an arc-shaped half pipe for connecting the two straight half pipes, the two ends of the lower inner half pipe are respectively connected with an inner air inlet end pipe and an inner air outlet end pipe, the two ends of the lower outer half pipe are respectively connected with an outer air inlet end pipe and an outer air outlet end pipe, both sides of the inner air inlet end pipe, the inner air outlet end pipe, the outer air inlet end pipe and the outer air outlet end pipe are respectively connected with side convex plates, bolt through holes are formed in the side convex plates, one strip-shaped installation seat is respectively fixed at the inner air inlet end pipe, the outer air inlet end pipe and the outer air outlet end pipe, and the strip-shaped installation seat is respectively provided with an accommodating groove and two threaded holes, the side convex plates are fixedly connected with the threaded holes of the strip-shaped installation seat, the upper inner arc-shaped installation seat is fixedly connected with the inner arc-shaped convex plates, the inner arc-shaped installation seat is provided with the bolt through the inner arc-shaped installation seat, the outer arc-shaped convex plate is fixedly connected with the threaded hole of the outer arc-shaped seat through a bolt.
4. The high stability circuit board of claim 3, wherein the cover plate of each shielding cover unit has heat dissipating fins located in the strip-shaped through grooves of the corresponding heat conducting plate, and the cover plate of the shielding cover unit further has heat dissipating holes uncovered by the corresponding heat conducting plate.
5. The high stability circuit board of claim 3, wherein the upper outer half pipe and the upper inner half pipe each have a first step portion, and the lower outer half pipe and the lower inner half pipe each have a second step portion that mates with the first step portion.
6. The high-stability circuit board according to claim 3, further comprising a dust detection unit, wherein the dust detection unit comprises a U-shaped plate and plugboards connected to two ends of the U-shaped plate, the plugboards are connected with a strip-shaped test unit, the strip-shaped test unit is strip-shaped test paper or strip-shaped test cloth, the end part of the inner air inlet end pipe, which is close to the lower inner half pipe, and the end part of the outer air inlet end pipe, which is close to the lower outer half pipe, are respectively provided with a first groove, one end of the upper inner half pipe and one end of the upper outer half pipe are respectively provided with a second groove, an insertion channel which is inserted by the plugboards is formed between the corresponding first grooves and the second grooves, the U-shaped plate is provided with a notch part and a plurality of limiting holes, the circuit board body is provided with a locking unit, the locking unit comprises a fixing seat fixedly connected with the circuit board body, a rotating seat fixedly connected with the fixing seat, a guide rod which is fixedly connected with the rotating seat, a clamping block which is inserted into the notch part, a connecting plate fixedly connected with the guide rod, a plurality of limiting protrusions which are connected with the connecting plate and the limiting holes, the clamping block which are inserted into the limiting grooves, and the clamping blocks are respectively, and the clamping blocks are matched with the guide rod.
7. The high-stability circuit board according to claim 6, wherein the connecting plate is provided with 4 limiting protrusions, the U-shaped plate is provided with 4 limiting holes, the rotating seat is connected with 2 guide rods, and the clamping block is provided with 2 guide holes.
8. The high stability circuit board of claim 6, wherein the circuit board body has a processor unit, a socket unit, and a memory card slot unit mounted thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410990659.XA CN119071995A (en) | 2024-07-23 | 2024-07-23 | A high stability circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410990659.XA CN119071995A (en) | 2024-07-23 | 2024-07-23 | A high stability circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN119071995A true CN119071995A (en) | 2024-12-03 |
Family
ID=93632761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410990659.XA Pending CN119071995A (en) | 2024-07-23 | 2024-07-23 | A high stability circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119071995A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140092559A1 (en) * | 2012-09-28 | 2014-04-03 | Fujitsu Limited | Cooling device and electronic apparatus |
| CN104582459A (en) * | 2013-10-25 | 2015-04-29 | 纬创资通股份有限公司 | Electronic device and electromagnetic wave shielding module thereof |
| CN112399772A (en) * | 2019-08-16 | 2021-02-23 | 神讯电脑(昆山)有限公司 | Heat dissipation and noise shielding assembly structure of electronic device |
| CN219228227U (en) * | 2022-11-30 | 2023-06-20 | 广州文远知行科技有限公司 | Cooling structure of automatic driving system, automatic driving system and vehicle |
| CN116406156A (en) * | 2023-06-09 | 2023-07-07 | 中国科学院微小卫星创新研究院 | Space-borne electronic system integrating electromagnetic shielding and heat dissipation and assembly method thereof |
| CN219644179U (en) * | 2023-03-01 | 2023-09-05 | 合肥联宝信息技术有限公司 | Shielding structure with heat dissipation function, main board and notebook computer |
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2024
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| US20140092559A1 (en) * | 2012-09-28 | 2014-04-03 | Fujitsu Limited | Cooling device and electronic apparatus |
| CN104582459A (en) * | 2013-10-25 | 2015-04-29 | 纬创资通股份有限公司 | Electronic device and electromagnetic wave shielding module thereof |
| CN112399772A (en) * | 2019-08-16 | 2021-02-23 | 神讯电脑(昆山)有限公司 | Heat dissipation and noise shielding assembly structure of electronic device |
| CN219228227U (en) * | 2022-11-30 | 2023-06-20 | 广州文远知行科技有限公司 | Cooling structure of automatic driving system, automatic driving system and vehicle |
| CN219644179U (en) * | 2023-03-01 | 2023-09-05 | 合肥联宝信息技术有限公司 | Shielding structure with heat dissipation function, main board and notebook computer |
| CN116406156A (en) * | 2023-06-09 | 2023-07-07 | 中国科学院微小卫星创新研究院 | Space-borne electronic system integrating electromagnetic shielding and heat dissipation and assembly method thereof |
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