CN220043747U - Antistatic HDI circuit board - Google Patents
Antistatic HDI circuit board Download PDFInfo
- Publication number
- CN220043747U CN220043747U CN202320712949.9U CN202320712949U CN220043747U CN 220043747 U CN220043747 U CN 220043747U CN 202320712949 U CN202320712949 U CN 202320712949U CN 220043747 U CN220043747 U CN 220043747U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- fixing hole
- protective frame
- antistatic
- frame body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000001681 protective effect Effects 0.000 claims abstract description 25
- 239000000428 dust Substances 0.000 claims abstract description 24
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 23
- 229910052802 copper Inorganic materials 0.000 claims description 22
- 239000010949 copper Substances 0.000 claims description 22
- 238000007789 sealing Methods 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 239000008187 granular material Substances 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 9
- 238000009423 ventilation Methods 0.000 claims description 6
- 239000002245 particle Substances 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 6
- 230000003068 static effect Effects 0.000 description 9
- 230000005611 electricity Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007791 dehumidification Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The utility model provides an antistatic HDI circuit board which comprises a circuit board body, wherein copper-clad layers are arranged on the top surface of the circuit board body. According to the utility model, through the cooperation of the protective frame body, the placing groove, the moisture-absorbing particles and the breathable dustproof net, copper-clad protection is facilitated, and meanwhile, the moisture-absorbing particles can be scattered and dehumidified, so that when the protective frame is operated, workers fill the moisture-absorbing particles into the placing groove, and therefore, when the protective frame works in the later period, heat in the protective frame body is discharged through the breathable dustproof net, external gas can enter the protective frame body through the breathable dustproof net, dust in the gas can be filtered through the breathable dustproof net, and after the gas enters the installation cavity, the moisture-absorbing particles in the placing groove can absorb moisture in the gas, so that the dryness of the interior of the protective frame body is ensured, the normal use of the copper-clad protection is facilitated, and the antistatic performance of the circuit board body is ensured in turn.
Description
Technical Field
The utility model relates to the technical field of circuit boards, in particular to an antistatic HDI circuit board.
Background
A circuit board with higher circuit distribution density by using micro blind buried hole technology is disclosed, HDI is a compact product specially designed for small-capacity users, on the premise that electronic products tend to be multifunctional and complicated, the contact distance of integrated circuit elements is reduced, the signal transmission speed is relatively improved, the number of wires is increased, the length of inter-point wiring is locally shortened, high-density circuit configuration and micropore technology are needed to achieve the aim, the existing multilayer HDI high-density circuit board is easily damaged by static electricity, firstly dust is easily adsorbed by static electricity, if dust particles are adsorbed to be larger, the electronic products are easily scrapped, secondly electrostatic discharge can cause breakdown hazard of electronic devices, charges accumulated on the circuit board are released when the conductors are close, the service life of the electronic elements is reduced after the electronic elements are attacked by static electricity, and in addition, the static electricity can generate electronic interference. The current HDI circuit board is generally provided with GND for ground or 0 line, which is not actually ground, but is assumed for application, and for the power supply, it is a negative electrode of the power supply, and is connected to the ground through a wire, so as to prevent static electricity from damaging the circuit board.
Through mass search, the conventional HDI circuit board is typically shown as a publication number CN216673390U, and the technical scheme is as follows: including the circuit board, fixedly provided with covers copper on the circuit board, cover the copper edge and be equipped with the protection frame, protection frame and cover copper shape and match, protection frame and circuit board fixed connection, protection frame inner wall fixedly connected with positioning frame, the positioning frame top is equipped with the clamp plate, the clamp plate matches with covering copper shape, the square groove has been seted up to protection frame inner wall, the through-hole has been seted up to the square groove inner wall, through-hole intercommunication square groove and protection frame outer wall, protection frame lateral wall is equipped with spacing subassembly, the clamp plate passes through spacing subassembly and is connected with the protection frame, an antistatic multilayer HDI high density circuit board beneficial effect is: through set up the protection frame that matches with covering copper shape on the circuit board to install the clamp plate in the protection frame, can wrap up the copper with covering, avoid covering copper and expose in humid environment, and then the corrosion that GND covered copper that can significantly reduce has improved life.
In summary, according to the technical problems presented in the cited documents and the combination of the existing circuit board, it is known that most of the existing circuit boards adopt design GND for static prevention, and the large area of the circuit board is covered with copper during GND installation, and the copper is easily corroded and damaged when contacting with moisture in the air, thereby affecting GND grounding and further protecting the GND grounding.
Therefore, it is necessary to provide an antistatic HDI circuit board to solve the above technical problems.
Disclosure of Invention
The utility model provides an antistatic HDI circuit board, which solves the problems in the background technology.
In order to solve the technical problems, the anti-static HDI circuit board provided by the utility model comprises a circuit board body, wherein copper is coated on the top surface of the circuit board body, a protective frame body is arranged on the outer side of the copper coated on the top surface of the circuit board body, placing grooves are formed in the tops of two side plates of the protective frame body, moisture-absorbing particles are filled in the placing grooves, and breathable dustproof nets are arranged on two side surfaces of the protective frame body.
Preferably, the surface of the protective frame body is penetrated and provided with a mounting cavity, the outer side of the mounting cavity is provided with a mounting table, the mounting table is fixedly clamped with a mounting frame, and the breathable dustproof net is mounted inside the mounting frame.
Preferably, the third fixing hole is formed in the bottom end of the inside of the mounting table, the fifth fixing hole is formed in the surface of the mounting frame in a penetrating mode, and the mounting frame is fixed with the protection frame body through the fifth fixing hole and the third fixing hole in a penetrating mode through a fastening piece.
Preferably, the top of the protection frame body is sleeved with a sealing cover, radiating fins are vertically arranged on the top surface of the sealing cover, a plurality of radiating fins are arranged, and the radiating fins are equidistantly arranged on the top surface of the sealing cover.
Preferably, a fourth fixing hole is formed above the surface of the protective frame body, a sixth fixing hole is formed in the surface of the sealing cover in a penetrating mode, and the sealing cover penetrates through the sixth fixing hole and the fourth fixing hole to be fixed with the protective frame body through a fastener.
Preferably, the bottom end surface of the protective frame body is provided with a fixing plate, the surface of the fixing plate is penetrated and provided with a second fixing hole, the surface of the circuit board body is positioned on one side of the copper-clad body and provided with a first fixing hole, and the fixing plate penetrates through the second fixing hole and the first fixing hole through a fastener and is fixed with the circuit board body.
Compared with the related art, the antistatic HDI circuit board provided by the utility model has the following beneficial effects:
1. compared with the prior art, this kind of prevent static HDI circuit board uses through the cooperation that sets up protection framework, the standing groove, moisture absorption granule, ventilative dust screen, in the time of being convenient for to covering copper protection, still can play the dehumidification effect that looses for when the operation, staff fills moisture absorption granule to the standing groove inside, thereby at the during operation of later stage, the inside heat of protection framework is discharged through ventilative dust screen, and external gas can enter into the protection framework inside through ventilative dust screen, and ventilative dust screen can filter the dust of gas inside, and gas enters into the installation cavity inside after, moisture absorption granule inside the standing groove can adsorb in the gas, thereby guarantee the aridity of protection framework inside, be convenient for guarantee the normal use of covering copper, guarantee the antistatic behavior of circuit board body in proper order.
2. Compared with the prior art, this kind of prevent static HDI circuit board through setting up the installing frame, conveniently to the change and the clearance of dustproof ventilative net for when needs clearance, only need twist the fastener off, then take out the installing frame from the installing bench is inside, thereby to dustproof ventilative net surface absorptive dust clearance can.
Drawings
FIG. 1 is a schematic diagram of an antistatic HDI circuit board according to the present utility model;
FIG. 2 is a schematic diagram of a protective frame of an anti-static HDI circuit board according to the present utility model;
FIG. 3 is a schematic diagram of a ventilation dust-proof screen of an antistatic HDI circuit board according to the present utility model;
fig. 4 is a schematic diagram of a copper-clad structure of an antistatic HDI circuit board according to the present utility model.
Reference numerals in the drawings:
1. a circuit board body; 2. a protective frame; 3. sealing cover; 4. a heat sink; 5. copper coating; 6. a first fixing hole; 7. a placement groove; 8. a second fixing hole; 9. a fixing plate; 10. a mounting table; 11. a third fixing hole; 12. a mounting cavity; 13. moisture-absorbing particles; 14. a fourth fixing hole; 15. a fifth fixing hole; 16. a mounting frame; 17. a ventilation dustproof net.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
First embodiment
Please refer to fig. 1-4 in combination. The utility model provides an antistatic HDI circuit board, includes circuit board body 1, circuit board body 1 top surface is provided with and covers copper 5, circuit board body 1 top surface is located and covers copper 5 outside and be provided with protection framework 2, standing groove 7 has been seted up at protection framework 2 both sides board top, the inside packing of standing groove 7 has moisture absorption granule 13, ventilative dust screen 17 is installed to protection framework 2 both sides face.
Through setting up protection framework 2, standing groove 7, moisture absorption granule 13, ventilative dust screen 17's cooperation is used, be convenient for when protecting covering copper 5, still can play the dehumidification effect that looses, make during operation, staff fills moisture absorption granule 13 to the standing groove 7 inside, thereby at the later stage during operation, protection framework 2 inside heat is discharged through ventilative dust screen 17, and external gas can enter into protection framework 2 inside through ventilative dust screen 17, and ventilative dust screen 17 can filter the dust of gas inside, and gas enters into the inside back of installation cavity 12, moisture absorption granule 13 inside the standing groove 7 can adsorb in the gas, thereby guarantee the inside aridity of protection framework 2, be convenient for guarantee the normal use of covering copper 5, guarantee the antistatic property of circuit board body 1 in proper order.
The working principle of the antistatic HDI circuit board provided by the utility model is as follows:
this kind of prevent static HDI circuit board is at the during operation, staff fills moisture absorption granule 13 to standing groove 7 inside, thereby at the during operation of later stage, the inside heat of protection framework 2 is discharged through ventilative dust screen 17, and external gas can enter into protection framework 2 inside through ventilative dust screen 17, and ventilative dust screen 17 can filter the dust of gaseous inside, and gaseous entering into installation cavity 12 inside back, moisture absorption granule 13 inside standing groove 7 can adsorb in the gas, thereby guarantee the inside aridity of protection framework 2, be convenient for guarantee the normal use of covering copper 5, guarantee the antistatic behavior of circuit board body 1 in proper order, secondly through setting up mounting frame 16, the convenience is to the change and the clearance of dustproof ventilative screen, make when needs the clearance, only need twist down the fastener, then take out mounting frame 16 from the inside mount table 10, thereby to dust clearance ventilative screen surface absorptive dust can.
Second embodiment
Referring to fig. 1-4 in combination, another anti-static HDI circuit board is provided according to a second embodiment of the present utility model. The second embodiment is merely a preferred manner of the first embodiment, and implementation of the second embodiment does not affect the implementation of the first embodiment alone.
Specifically, the second embodiment of the present utility model provides an antistatic HDI circuit board, which is different in that the surface of the protective frame body 2 is perforated with a mounting cavity 12, the outside of the mounting cavity 12 is provided with a mounting table 10, the inside of the mounting table 10 is clamped and fixed with a mounting frame 16, the ventilation dust-proof net 17 is mounted inside the mounting frame 16, the bottom end inside the mounting table 10 is provided with a third fixing hole 11, the surface of the mounting frame 16 is perforated with a fifth fixing hole 15, the mounting frame 16 is fixed with the protective frame body 2 through a fastening piece penetrating through the fifth fixing hole 15 and the third fixing hole 11, and the installation frame 16 is provided to facilitate the replacement and cleaning of the dust-proof ventilation net, so that when cleaning is required, only the fastening piece is required to be screwed off, and then the mounting frame 16 is taken out from the inside of the mounting table 10, thereby cleaning dust adsorbed on the surface of the dust-proof ventilation net.
By adopting the technical scheme, the protection framework 2 top has cup jointed sealed lid 3, sealed lid 3 top surface is vertical installs fin 4, and fin 4 is provided with a plurality ofly to a plurality of fin 4 equidistance set up at sealed lid 3 top surface, through setting up fin 4, be convenient for improve the inside thermal dissipation of protection framework 2.
By adopting the technical scheme, the fourth fixing hole 14 is formed in the upper portion of the surface of the protective frame body 2, the sixth fixing hole is formed in the surface of the sealing cover 3 in a penetrating manner, the sealing cover 3 penetrates through the sixth fixing hole and the fourth fixing hole 14 through a fastening piece to be fixed with the protective frame body 2, and the sealing cover 3 is arranged to facilitate sealing of the top of the protective frame body 2 so as to protect the upper portion of the copper-clad 5.
By adopting the technical scheme, the bottom end surface of the protection frame body 2 is provided with the fixed plate 9, the second fixed hole 8 is penetrated and arranged on the surface of the fixed plate 9, the first fixed hole 6 is arranged on one side of the copper-clad 5 on the surface of the circuit board body 1, the fixed plate 9 penetrates through the second fixed hole 8 and the first fixed hole 6 through the fastener to be fixed with the circuit board body 1, and the fixed plate 9 is arranged to facilitate improvement of the fastener to fix the protection frame body 2 and the circuit board body 1.
It should be noted that, various components used in the document of the present utility model are standard components, which can be purchased from the market, the specific connection modes of the components adopt conventional means such as mature bolts, rivets and welding in the prior art, the mechanical, the components and the electrical equipment adopt conventional models in the prior art, the circuit connection adopts conventional connection modes in the prior art, and the electrical equipment is communicated with an external safety power supply, and no specific description is made here.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. The utility model provides an antistatic HDI circuit board, includes circuit board body (1), its characterized in that, circuit board body (1) top surface is provided with and covers copper (5), circuit board body (1) top surface is located and covers copper (5) outside and be provided with protection framework (2), standing groove (7) have been seted up at protection framework (2) both sides board top, standing groove (7) intussuseption is filled with moisture absorption granule (13), ventilative dust screen (17) are installed to protection framework (2) both sides face.
2. The antistatic HDI circuit board according to claim 1, wherein the surface of the protective frame body (2) is provided with a mounting cavity (12) in a penetrating manner, the outer side of the mounting cavity (12) is provided with a mounting table (10), the mounting table (10) is fixedly clamped with a mounting frame (16), and the ventilation dust screen (17) is mounted inside the mounting frame (16).
3. The antistatic HDI circuit board according to claim 2, wherein a third fixing hole (11) is formed in the bottom end of the inside of the mounting table (10), a fifth fixing hole (15) is formed in the surface of the mounting frame (16) in a penetrating manner, and the mounting frame (16) is fixed with the protective frame body (2) through the fifth fixing hole (15) and the third fixing hole (11) by fastening members.
4. The antistatic HDI circuit board according to claim 1, wherein the top of the protection frame body (2) is sleeved with a sealing cover (3), radiating fins (4) are vertically arranged on the top surface of the sealing cover (3), a plurality of radiating fins (4) are arranged, and the radiating fins (4) are equidistantly arranged on the top surface of the sealing cover (3).
5. The anti-static HDI circuit board according to claim 4, wherein a fourth fixing hole (14) is formed above the surface of the protective frame body (2), a sixth fixing hole is formed through the surface of the sealing cover (3), and the sealing cover (3) is fixed with the protective frame body (2) through the fastener penetrating through the sixth fixing hole and the fourth fixing hole (14).
6. The antistatic HDI circuit board according to claim 1, wherein a fixing plate (9) is arranged on the bottom end surface of the protective frame body (2), a second fixing hole (8) is formed in the surface of the fixing plate (9) in a penetrating mode, a first fixing hole (6) is formed in the surface of the circuit board body (1) on one side of the copper-clad (5), and the fixing plate (9) penetrates through the second fixing hole (8) and the first fixing hole (6) through a fastening piece to be fixed with the circuit board body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320712949.9U CN220043747U (en) | 2023-04-04 | 2023-04-04 | Antistatic HDI circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320712949.9U CN220043747U (en) | 2023-04-04 | 2023-04-04 | Antistatic HDI circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220043747U true CN220043747U (en) | 2023-11-17 |
Family
ID=88725654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320712949.9U Active CN220043747U (en) | 2023-04-04 | 2023-04-04 | Antistatic HDI circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220043747U (en) |
-
2023
- 2023-04-04 CN CN202320712949.9U patent/CN220043747U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |