CN209748961U - anti-creeping printed circuit board - Google Patents
anti-creeping printed circuit board Download PDFInfo
- Publication number
- CN209748961U CN209748961U CN201920057173.5U CN201920057173U CN209748961U CN 209748961 U CN209748961 U CN 209748961U CN 201920057173 U CN201920057173 U CN 201920057173U CN 209748961 U CN209748961 U CN 209748961U
- Authority
- CN
- China
- Prior art keywords
- circuit board
- printed circuit
- installation shell
- board main
- heating device
- 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.)
- Expired - Fee Related
Links
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- Non-Metallic Protective Coatings For Printed Circuits (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses an anticreep printed wiring board, including fixing bolt, three proofings lacquer, heating device, installation shell and printed circuit board main part, the surface covering of installation shell has three proofings lacquer, the top fixed mounting of installation shell has heating device, four angles at printed circuit board main part top have the installation shell through fixing bolt fixed mounting. The utility model discloses a surface coating has three proofings lacquer, three proofings lacquer has good high low temperature resistance performance, it solidifies the back and becomes one deck transparent protection film, can be such as containing chemical, vibrations, moisture, salt fog, the harm is avoided to protection circuit under moist and the high temperature condition, the circuit board probably is corroded under these conditions, mould growth and production short circuit etc. have superior insulating, dampproofing, anticreep, take precautions against earthquakes, prevent dust, anticorrosion, anti-aging, mould proof, prevent that the part pine takes off and insulating corona resistance performance.
Description
Technical Field
The utility model relates to a printed wiring board technical field specifically is an anticreep printed wiring board.
Background
For the production of printed circuit boards, many designers do not know the production process of the circuit board, so the designed circuit diagram is only the most basic circuit diagram and cannot be directly used for production, therefore, the circuit file needs to be modified and edited before actual production, a film diagram (film) which can be suitable for the production process of a factory needs to be manufactured, corresponding punching data and die sinking data need to be manufactured, and other data which are useful for production directly relate to various production projects later, and the existing printed circuit board is easy to have electric leakage due to the fact that the humidity of the external environment is too high.
SUMMERY OF THE UTILITY MODEL
an object of the utility model is to provide a printed wiring board of anticreep to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anticreep printed wiring board, includes fixing bolt, three proofings lacquer, heating device, installation shell and printed circuit board main part, the surface covering of installation shell has three proofings lacquer, the top fixed mounting of installation shell has heating device, four angles at printed circuit board main part top have the installation shell through fixing bolt fixed mounting.
preferably, the heating device comprises a connector, a mounting plate, a resistance wire and a mica sheet, the resistance wire is fixedly mounted at the bottom of the mounting plate through the mica sheet, the connectors are arranged at two ends of the mica sheet, and two ends of the resistance wire are respectively connected with the connectors.
Preferably, a position of the surface of the fixing bolt close to the bottom is provided with a limiting block, and a gasket is pasted at the bottom of the limiting block.
Preferably, the inside fixed mounting of installation shell has the guard plate, and the surface of guard plate is equipped with first through-hole.
Preferably, four corners of the surface of the printed circuit board main body are provided with screw holes, four corners of the surface of the printed circuit board main body are pasted with gaskets, and the surface of the printed circuit board main body is provided with a second through hole.
Compared with the prior art, the beneficial effects of the utility model are that: the anti-creeping printed circuit board is provided with the heating device, the environment around the printed circuit board is heated through the heating device, water vapor in the air is diffused, the condition that the printed circuit board leaks electricity due to the fact that the environment humidity on the surface of the printed circuit board is too high is avoided, the surface of the anti-creeping printed circuit board is coated with the three-proofing paint, the three-proofing paint has good high and low temperature resistance, the three-proofing paint is cured to form a layer of transparent protective film, the circuit can be protected from being damaged under the conditions of containing chemical substances, vibration, moisture, salt mist, humidity and high temperature, the circuit board can be corroded under the conditions, mildew grows, short circuit is generated, and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a structural view of the heating device of the present invention;
FIG. 3 is a view showing the structure of the fixing bolt of the present invention;
FIG. 4 is a structural view of the mounting case of the present invention;
Fig. 5 is a main structure view of the printed circuit board of the present invention.
In the figure: 1. fixing the bolt; 101. a limiting block; 102. a gasket; 2. three-proofing paint; 3. a heating device; 301. a connector; 302. mounting a plate; 303. a resistance wire; 304. mica sheets; 4. mounting a shell; 401. a protection plate; 402. a first through hole; 5. a printed circuit board main body; 501. a screw hole; 502. a second through hole; 503. and (7) a gasket.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides an embodiment: an anti-creeping printed circuit board comprises a fixing bolt 1, three-proofing paint 2, a heating device 3, a mounting shell 4 and a printed circuit board main body 5, wherein the surface of the mounting shell 4 is covered with the three-proofing paint 2, the three-proofing paint 2 has good high and low temperature resistance, and forms a layer of transparent protective film after being cured, so that a circuit can be protected from being damaged under the conditions of containing chemical substances, vibration, moisture, salt mist, humidity and high temperature, the circuit board can be corroded, mildew grows and generates short circuit under the conditions, and the anti-creeping printed circuit board has excellent insulation, moisture resistance, anti-creeping, shockproof, dustproof, anti-corrosion, anti-aging, mildew resistance, part loosening resistance, insulation and corona resistance and the like, the mounting shell 4 is fixedly mounted at four corners of the top of the printed circuit board main body 5 through the fixing bolt 1, the fixing bolt 1 extends to the bottom of the printed circuit board main body 5, the top of installation shell 4 has heating device 3 through bolt fixed mounting, heats the environment around printed circuit board main part 5 through heating device 3, gives off the steam in the air, has avoided the condition that the electric leakage appears in printed circuit board main part 5 that the environmental humidity on printed circuit board main part 5 surface is too big.
Further, heating device 3 includes connector 301, mounting panel 302, resistance wire 303 and mica sheet 304, there is resistance wire 303 bottom mounting panel 302 through mica sheet 304 fixed mounting, the both ends of mica sheet 304 are equipped with connector 301, the both ends of resistance wire 303 link to each other with connector 301 respectively, mica sheet 304 plays insulating effect to resistance wire 303, resistance wire 303 dispels the heat through connector 301 circular telegram, then heat the environment on 5 surfaces of printed circuit board main part, the condition of electric leakage appears in printed circuit board main part 5 has been avoided the surperficial ambient humidity of printed circuit board main part 5 too big to cause.
Further, the position department that fixing bolt 1 surface is close to the bottom is equipped with stopper 101, and stopper 101 is injectd the position of printed circuit board main part 5, guarantees to separate between printed circuit board main part 5 and the machinery and leaves the space, has good radiating effect, and the packing ring 102 has been pasted to stopper 101's bottom, and the packing ring 102 protects stopper 101 and mechanical contact department, prevents wearing and tearing.
Further, there is a protection plate 401 in the installation shell 4 through bolt fixed mounting, the protection plate 401 protects the printed circuit board main body 5, a first through hole 402 is formed in the surface of the protection plate 401, heat emitted by the heating device 3 is emitted through the first through hole 402 in the surface of the protection plate 401, and the direct injection of the heat to the surface of the printed circuit board main body 5 is prevented from affecting the printed circuit board main body 5.
Further, four angles on the surface of printed circuit board main body 5 are equipped with screw 501, screw 501 is convenient for fixing bolt 1's installation, gasket 503 is pasted on four angles on the surface of printed circuit board main body 5, gasket 503 plays the guard action to printed circuit board main body 5, avoids wearing and tearing to appear in printed circuit board main body 5, and the surface of printed circuit board main body 5 is equipped with second through-hole 502, and second through-hole 502 on the surface of printed circuit board main body 5 gives off the heat.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides an anticreep printed wiring board, includes fixing bolt (1), three proofings lacquer (2), heating device (3), installation shell (4) and printed circuit board main part (5), its characterized in that: the surface covering of installation shell (4) has three proofings lacquer (2), the top fixed mounting of installation shell (4) has heating device (3), four angles at printed circuit board main part (5) top have installation shell (4) through fixing bolt (1) fixed mounting.
2. An anti-creeping printed wiring board according to claim 1, characterized in that: heating device (3) are including connector (301), mounting panel (302), resistance wire (303) and mica sheet (304), and there is resistance wire (303) bottom of mounting panel (302) through mica sheet (304) fixed mounting, and the both ends of mica sheet (304) are equipped with connector (301), and the both ends of resistance wire (303) link to each other with connector (301) respectively.
3. An anti-creeping printed wiring board according to claim 1, characterized in that: a limiting block (101) is arranged at a position, close to the bottom, on the surface of the fixing bolt (1), and a gasket (102) is pasted at the bottom of the limiting block (101).
4. an anti-creeping printed wiring board according to claim 1, characterized in that: the inside fixed mounting of installation shell (4) has guard plate (401), and the surface of guard plate (401) is equipped with first through-hole (402).
5. An anti-creeping printed wiring board according to claim 1, characterized in that: four corners on the surface of the printed circuit board main body (5) are provided with screw holes (501), four corners on the surface of the printed circuit board main body (5) are pasted with gaskets (503), and the surface of the printed circuit board main body (5) is provided with a second through hole (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920057173.5U CN209748961U (en) | 2019-01-14 | 2019-01-14 | anti-creeping printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920057173.5U CN209748961U (en) | 2019-01-14 | 2019-01-14 | anti-creeping printed circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209748961U true CN209748961U (en) | 2019-12-06 |
Family
ID=68705689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920057173.5U Expired - Fee Related CN209748961U (en) | 2019-01-14 | 2019-01-14 | anti-creeping printed circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209748961U (en) |
-
2019
- 2019-01-14 CN CN201920057173.5U patent/CN209748961U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20191206 Termination date: 20210114 |