CN205265999U - Waterproof intelligent water gauge circuit board - Google Patents
Waterproof intelligent water gauge circuit board Download PDFInfo
- Publication number
- CN205265999U CN205265999U CN201520999958.6U CN201520999958U CN205265999U CN 205265999 U CN205265999 U CN 205265999U CN 201520999958 U CN201520999958 U CN 201520999958U CN 205265999 U CN205265999 U CN 205265999U
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- CN
- China
- Prior art keywords
- circuit board
- layer
- water barrier
- base plate
- water
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a circuit the board, concretely relates to waterproof intelligent water gauge circuit board, other include circuit board base plate, circuit board base plate upper end is connected with the compound tie coat of SBR, circuit board base plate lower extreme is connected with the PMMA resin layer, SBR is compound, and the tie coat top is provided with the net layer, PMMA resin layer lower extreme is connected with the polyurethane waterproof layer, net layer upper end is connected with the water barrier, polyurethane waterproof layer lower extreme is connected with down the water barrier, it is the same with lower water barrier thickness to go up the water barrier, has adopted multilayer structure for whole circuit board compact structure, circuit board base plate forms for three -layer material suppression, has very little density, and durable, can guarantee the fine contact in copper conductor layer on circuit board top layer and the circuit board base plate, lie in circuit Board the protection that the water barrier is better the circuit board, circuit panel material density is light, transmission economize on electricity loss is little, resistance to corrosion robs, clean environmental protection is worth promoting.
Description
Technical field
The utility model relates to a kind of circuit board, is specifically related to a kind of waterproof intellectual water meter circuit board.
Background technology
Printed circuit board (PCB) is almost the basis of any electronic product, along with the develop rapidly of electronic industry, as electronic product baseThe printed circuit board applications of this member is more and more extensive, although the function of electronic product not only strengthens, the expansion of application is wide, spyBe not under the development driving in high speed information epoch, the requirement that is applied in the printed circuit board (PCB) in electronic product is also more and more, outstandingIt is that printed circuit board (PCB) is constantly promoted in the requirement of the aspect such as transmission quality, speed of signal, in prior art, and epoxy resinFor main body (FR-4) is that printed circuit board (PCB) is consumption maximum at present, purposes is a series products the most widely, but FR-4 material systemThe printed circuit board (PCB) cost done is high, dielectric loss is large and electrical property is poor, and FR-4 has easy water suction, is easy to aging, anti-A series of shortcomings such as voltage capability is poor, cause the printed circuit board (PCB) of its making to be not suitable at special environment, particularly moist ringBorder, space flight and aviation, high speed communication, space or radioactivity medicine equipment) etc. field, require that density of material is light, transmission dielectric is damagedConsume the features such as little, anticorrosive property is strong, environmental protection, high-insulativity, have now a lot of intellectual water meters, circuit board is wanted water proofing propertyAsk higher, therefore need to design a kind of waterproof intellectual water meter circuit board.
Summary of the invention
For above problem, the utility model provides a kind of waterproof intellectual water meter circuit board, has good water proofing property, electricitySheet material path density is light, and transmission economize on electricity loss is little, and anticorrosive property is robbed, and clean environment firendly is worthy to be popularized.
To achieve these goals, the technical solution adopted in the utility model is as follows: a kind of waterproof intellectual water meter circuit board, itsIt comprises circuit board substrate, and described circuit board substrate upper end is connected with SBR composite tie layer, and described circuit board substrate lower end connectsHave PMMA resin bed, described SBR composite tie layer top is provided with clathrum, and described PMMA resin bed lower end is connected withPolyurethane water-proof layer, described clathrum upper end is connected with water barrier, and described polyurethane water-proof layer lower end is connected with lower water barrier,Described upper water barrier is identical with lower impermeable layer thickness.
Further, described circuit board substrate comprises PTFE layer and copper conductor layer, and described copper conductor layer is arranged on PTFE layerUpper and lower two ends.
Further, between described upper water barrier, clathrum and SBR composite tie layer, be provided with blind hole.
Further, between described lower water barrier, polyurethane water-proof layer and PMMA resin bed, be provided with lower blind hole.
Further, described circuit board substrate thickness is 1.3mm-1.8mm.
The beneficial effects of the utility model:
The utility model has adopted sandwich construction, makes whole board structure of circuit compactness, and circuit board substrate is that trilaminate material compacting forms,There is very little density, and durable, and SBR meets tack coat can well be bonded in one by circuit board substrate and clathrumRise, clathrum has improved the portability of circuit board, and polyurethane water-proof layer has good waterproof effect, has avoided circuit board to be floodedThe wet short circuit that causes circuit, upper and lower both ends of the surface are all provided with blind hole, can ensure the copper conductor on circuit board top layer and circuit board substrateLayer is contact well, the circuit board that has been positioned at protection that the water barrier of circuit board surface is better, and circuit board material density is light, transmissionEconomize on electricity loss is little, and anticorrosive property is robbed, and clean environment firendly is worthy to be popularized.
Brief description of the drawings
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the utility model circuit board substrate structural representation.
Number in the figure is: 1-circuit board substrate, and 2-SBR composite tie layer, 3-PMMA resin bed, 4-clathrum, 5-gathers ammoniaEster watertight composition, the upper water barrier of 6-, water barrier under 7-, 8-PTFE layer, 9-copper conductor layer, the upper blind hole of 10-, blind hole under 11-.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples,The utility model is further elaborated. Should be appreciated that specific embodiment described herein is only in order to explain this realityWith novel, and be not used in restriction the utility model.
As Figure 1-Figure 2, a kind of waterproof intellectual water meter circuit board, other comprises circuit board substrate 1, described circuit board basePlate 1 upper end is connected with SBR composite tie layer 2, and described circuit board substrate 1 lower end is connected with PMMA resin bed 3, described SBRComposite tie layer 2 tops are provided with clathrum 4, and described PMMA resin bed 3 lower ends are connected with polyurethane water-proof layer 5, described inClathrum 4 upper ends are connected with water barrier 6, and described polyurethane water-proof layer 5 lower end are connected with lower water barrier 7, described upper water barrier6 is identical with lower water barrier 7 thickness.
On above-described embodiment, preferably, described circuit board substrate 1 comprises PTFE layer 8 and copper conductor layer 9, described copper conductor layer9 are arranged on PTFE layer, and Shang Xia 8 two ends.
On above-described embodiment, preferably, between described upper water barrier 6, clathrum 4 and SBR composite tie layer 2, be provided withBlind hole 10.
On above-described embodiment, preferably, between described lower water barrier 7, polyurethane water-proof layer 5 and PMMA resin bed 3, arrangeThere is lower blind hole 11.
On above-described embodiment, preferably, described circuit board substrate 1 thickness is 1.3mm-1.8mm.
Based on above-mentioned, the utility model has adopted sandwich construction, makes whole board structure of circuit compactness, and circuit board substrate is threeLayer material compacting forms, and has very little density, and durable, and SBR meets tack coat can be well by circuit board substrateBond together with clathrum, clathrum has improved the portability of circuit board, and polyurethane water-proof layer has good waterproof effect, keeps awayExempted from circuit board and be soaked in water and cause the short circuit of circuit, upper and lower both ends of the surface are all provided with blind hole, can ensure circuit board top layer and circuitCopper conductor layer on base board well contacts, be positioned at protection that the water barrier of circuit board surface is better circuit board, circuit boardDensity of material is light, and transmission economize on electricity loss is little, and anticorrosive property is robbed, and clean environment firendly is worthy to be popularized.
The foregoing is only preferred embodiment of the present utility model, in order to limit the utility model, not all in this practicalityAny amendment of doing within novel spirit and principle, be equal to and replace and improvement etc., all should be included in protection of the present utility modelWithin scope.
Claims (5)
1. a waterproof intellectual water meter circuit board, is characterized in that: it comprises circuit board substrate (1), on described circuit board substrate (1)End is connected with SBR composite tie layer (2), and described circuit board substrate (1) lower end is connected with PMMA resin bed (3), described inSBR composite tie layer (2) top is provided with clathrum (4), and it is anti-that described PMMA resin bed (3) lower end is connected with polyurethaneWater layer (5), described clathrum (4) upper end is connected with water barrier (6), and described polyurethane water-proof layer (5) lower end is connected withLower water barrier (7), described upper water barrier (6) is identical with lower water barrier (7) thickness.
2. a kind of waterproof intellectual water meter circuit board according to claim 1, is characterized in that: described circuit board substrate (1) comprisesPTFE layer (8) and copper conductor layer (9), described copper conductor layer (9) is arranged on the upper and lower two ends of PTFE layer (8).
3. a kind of waterproof intellectual water meter circuit board according to claim 1, is characterized in that: described upper water barrier (6), gridBetween layer (4) and SBR composite tie layer (2), be provided with blind hole (10).
4. a kind of waterproof intellectual water meter circuit board according to claim 1, is characterized in that: described lower water barrier (7), poly-ammoniaBetween ester watertight composition (5) and PMMA resin bed (3), be provided with lower blind hole (11).
5. a kind of waterproof intellectual water meter circuit board according to claim 1, is characterized in that: described circuit board substrate (1) thicknessFor 1.3mm-1.8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520999958.6U CN205265999U (en) | 2015-12-04 | 2015-12-04 | Waterproof intelligent water gauge circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520999958.6U CN205265999U (en) | 2015-12-04 | 2015-12-04 | Waterproof intelligent water gauge circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205265999U true CN205265999U (en) | 2016-05-25 |
Family
ID=56007496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520999958.6U Expired - Fee Related CN205265999U (en) | 2015-12-04 | 2015-12-04 | Waterproof intelligent water gauge circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205265999U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684146A (en) * | 2018-05-24 | 2018-10-19 | 泉州荼火贸易有限公司 | A kind of circuit board of waterproof and anticorrosion information transmission |
| CN108712820A (en) * | 2018-05-24 | 2018-10-26 | 泉州荼火贸易有限公司 | A kind of circuit board with waterproof and anticorrosion function |
| CN108770205A (en) * | 2018-05-25 | 2018-11-06 | 广州轻舟科技有限公司 | A kind of safe information transmission circuit board |
| CN108858433A (en) * | 2018-05-25 | 2018-11-23 | 广州轻舟科技有限公司 | Circuit board is used in a kind of high-end information transmission |
-
2015
- 2015-12-04 CN CN201520999958.6U patent/CN205265999U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108684146A (en) * | 2018-05-24 | 2018-10-19 | 泉州荼火贸易有限公司 | A kind of circuit board of waterproof and anticorrosion information transmission |
| CN108712820A (en) * | 2018-05-24 | 2018-10-26 | 泉州荼火贸易有限公司 | A kind of circuit board with waterproof and anticorrosion function |
| CN108770205A (en) * | 2018-05-25 | 2018-11-06 | 广州轻舟科技有限公司 | A kind of safe information transmission circuit board |
| CN108858433A (en) * | 2018-05-25 | 2018-11-23 | 广州轻舟科技有限公司 | Circuit board is used in a kind of high-end information transmission |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20171204 |