CN112601343A - Circuit board with dampproofing effect - Google Patents

Circuit board with dampproofing effect Download PDF

Info

Publication number
CN112601343A
CN112601343A CN202011405802.2A CN202011405802A CN112601343A CN 112601343 A CN112601343 A CN 112601343A CN 202011405802 A CN202011405802 A CN 202011405802A CN 112601343 A CN112601343 A CN 112601343A
Authority
CN
China
Prior art keywords
circuit board
wall
moisture
sides
shell
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.)
Pending
Application number
CN202011405802.2A
Other languages
Chinese (zh)
Inventor
谢兆云
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Ribom Electronics Co ltd
Original Assignee
Shenzhen Ribom Electronics Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Ribom Electronics Co ltd filed Critical Shenzhen Ribom Electronics Co ltd
Priority to CN202011405802.2A priority Critical patent/CN112601343A/en
Publication of CN112601343A publication Critical patent/CN112601343A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00Printed circuits
    • H05K1/02Details
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
    • B01D53/26Drying gases or vapours
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0213Venting apertures; Constructional details thereof
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0217Mechanical details of casings
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/14Mounting supporting structure in casing or on frame or rack
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20136Forced ventilation, e.g. by fans
    • H05K7/20181Filters; Louvers

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The invention discloses a circuit board with a moisture-proof effect, which comprises a shell, wherein a top cover is installed at the top of the shell, mounting plates are installed on two sides in the shell, a supporting plate is installed on the outer wall of one side of each mounting plate, a circuit board body is installed above every two adjacent supporting plates, a positioning column is installed at the center of the upper surface of each supporting plate, the other end of each positioning column is installed in a positioning hole, the positioning holes are formed in two sides of the surface of the circuit board body, trapezoidal rubber pressing plates are installed on two sides of the lower surface of the top cover, and the bottoms of the trapezoidal rubber pressing plates are attached to the upper surface of the circuit board body; the invention solves the problems that the existing circuit board does not have the moisture-proof function, and the circuit board is easy to corrode in a humid environment to cause the damage of the circuit board; the invention can play the effects of moisture protection, dust prevention and heat dissipation on the circuit board body, greatly prolongs the service life of the circuit board body and has strong practicability.

Description

Circuit board with dampproofing effect
Technical Field
The invention relates to the technical field of circuit boards, in particular to a circuit board with a moisture-proof effect.
Background
The circuit board has the name: circuit board, PCB board, aluminium base board, high frequency board, PCB, ultra-thin circuit board, printed (copper etching technology) circuit board etc.. 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; with the rapid development of electronic technology, the requirements on electronic products are higher and higher, the functions are more and more, the integration level of chips is higher and higher, and the design requirements on circuit boards are higher and higher in contrast to the integration level of chips.
However, the existing circuit board has low functionality and no moisture-proof function, the circuit board is easy to corrode in a humid environment to cause damage of the circuit board, and the service life of the circuit board is short; therefore, the existing use requirements are not satisfied.
Disclosure of Invention
The present invention is directed to a circuit board with moisture-proof effect to solve the above problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a circuit board with a moisture-proof effect comprises a shell, wherein a top cover is installed at the top of the shell, mounting plates are installed on two sides of the interior of the shell, a supporting plate is installed on the outer wall of one side of each mounting plate, a circuit board body is installed above the two adjacent supporting plates, a positioning column is installed at the central position of the upper surface of each supporting plate, the other end of each positioning column is installed in each positioning hole, the positioning holes are formed in two sides of the surface of the circuit board body, trapezoidal rubber pressing plates are installed on two sides of the lower surface of the top cover, the bottoms of the trapezoidal rubber pressing plates are attached to the upper surface of the circuit board body, a hollow rectangular plate and a plate type primary air filter screen are arranged on one side of the mounting plate, the hollow rectangular plate is located on one side of the plate type primary air filter screen, two ends of the hollow rectangular plate and, and the outer walls of the two ends of the hollow rectangular plate and the plate-type air primary filter screen are in clearance connection with the wall of the U-shaped groove on the U-shaped clamping plate, and silica gel desiccant particles are filled in the hollow rectangular plate.
Preferably, first threaded holes are formed in four corners of the surface of the top cover, second threaded holes are formed in four corners of the top of the shell, and the first threaded holes in the top cover are connected with the second threaded holes in the shell through fastening bolts.
Preferably, the outer wall of the positioning column is in clearance connection with the hole wall of the positioning hole.
Preferably, first ventilation holes are formed in the upper portion and the lower portion of the outer wall of the mounting plate, second ventilation holes are formed in the outer wall of the trapezoidal rubber pressing plate, and third ventilation holes are formed in the two sides of the outer wall of the hollow rectangular plate.
Preferably, the fixing plates are mounted below two sides of the outer wall of the shell, and mounting holes are formed in the surfaces of the fixing plates.
Preferably, the outer walls of the two sides of the shell are respectively provided with an air inlet and an air outlet.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention can lead the outside air to enter the shell from the air inlet hole and be discharged to the outside from the air outlet hole by the matching arrangement of the air inlet hole, the air outlet hole, the plate-type air primary filter screen, the hollow rectangular plate, the silica gel desiccant particle first air vent, the second air vent, the third air vent and the fan, lead the inside of the shell of the invention to have air flow with certain intensity, lead the heat generated by the work of the circuit board body to be taken out of the shell, lead the upper surface and the lower surface of the circuit board body to be radiated simultaneously, lead the radiating effect to be good, lead the plate-type air primary filter screen to filter the particles in the outside air, play a role of dust prevention, avoid the circuit board body to be corroded by dust, lead the silica gel desiccant particle in the hollow rectangular plate to be capable of drying the moisture in the air, lead the circuit board body to be in a dry environment, therefore, the invention solves the problems that the existing circuit board does not have the moisture-proof function, and the circuit board is easy to corrode in a humid environment to cause the damage of the circuit board; the invention can play the effects of moisture protection, dust prevention and heat dissipation on the circuit board body, greatly prolongs the service life of the circuit board body and has strong practicability.
(2) Through U type cardboard, the cooperation setting of the first screw hole on the top cap and the second screw hole on the casing, thereby connect through fastening bolt before the first screw hole on the top cap and the second screw hole on the casing and made things convenient for installation and dismantlement between top cap and the casing, the both ends outer wall of cavity rectangular plate and the board-like air just imitate the filter screen all with U type groove cell wall clearance connection on the U type cardboard, thereby made things convenient for the installation dismantlement between cavity rectangular plate and the board-like air just imitate filter screen and the U type cardboard, thereby made things convenient for the staff to change or clear up the hollow rectangular plate and the board-like air just imitate the filter screen, staff's use has been made things convenient for.
(3) Through the cooperation setting of trapezoidal shape rubber clamp plate, reference column and the locating hole on the circuit board body, the outer wall of reference column and the pore wall clearance connection of locating hole to made things convenient for the location installation of circuit board body, trapezoidal shape rubber clamp plate compresses tightly fixedly to the circuit board body, has made things convenient for the installation and the dismantlement of staff to the circuit board body.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is an enlarged view of a portion of the structure of FIG. 1 at B;
FIG. 4 is a cross-sectional view of a hollow rectangular plate of the present invention;
FIG. 5 is a schematic structural view of a U-shaped card of the present invention;
fig. 6 is a front view of the present invention.
In the figure: 1. a U-shaped clamping plate; 2. a first vent hole; 3. a trapezoidal rubber press plate; 4. a second vent hole; 5. a top cover; 6. a circuit board body; 7. an air inlet hole; 8. an air outlet; 9. mounting holes; 10. a plate-type primary air filter screen; 11. a hollow rectangular plate; 12. a fan; 13. mounting a plate; 14. a support plate; 15. a housing; 16. a fixing plate; 17. a first threaded hole; 18. a second threaded hole; 19. positioning holes; 20. a positioning column; 21. silica gel desiccant particles; 22. and a third vent hole.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element 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, such as "connected," which may be fixedly connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-6, an embodiment of the present invention is shown: a circuit board with a moisture-proof effect comprises a shell 15, a top cover 5 is installed at the top of the shell 15, mounting plates 13 are installed on two sides inside the shell 15, a supporting plate 14 is installed on the outer wall of one side of each mounting plate 13, a circuit board body 6 is installed above every two adjacent supporting plates 14, a positioning column 20 is installed at the central position of the upper surface of each supporting plate 14, the other end of each positioning column 20 is installed in a positioning hole 19, the positioning holes 19 are formed in two sides of the surface of each circuit board body 6, trapezoidal rubber pressing plates 3 are installed on two sides of the lower surface of the top cover 5, the bottoms of the trapezoidal rubber pressing plates 3 are attached to the upper surface of the circuit board body 6, a hollow rectangular plate 11 and a plate type air primary filter screen 10 are arranged on one side of each mounting plate 13, the hollow rectangular plate 11 is located on one side of the plate type air primary filter screen 10, two ends of the hollow, the outer walls of two ends of the hollow rectangular plate 11 and the plate-type air primary filter screen 10 are in clearance connection with the wall of a U-shaped groove on the U-shaped clamping plate 1, silica gel desiccant particles 21 are filled in the hollow rectangular plate 11, first threaded holes 17 are formed in four corners of the surface of the top cover 5, second threaded holes 18 are formed in four corners of the top of the shell 15, the first threaded holes 17 in the top cover 5 are connected with the second threaded holes 18 in the shell 15 through fastening bolts, the outer wall of the positioning columns 20 is in clearance connection with the wall of the positioning holes 19, first vent holes 2 are formed above and below the outer wall of the mounting plate 13, second vent holes 4 are formed in the outer wall of the trapezoidal rubber pressing plate 3, third vent holes 22 are formed in two sides of the outer wall of the hollow rectangular plate 11, fixing plates 16 are mounted below two sides of the outer wall of the shell 15, and mounting, the outer walls of the two sides of the shell 15 are respectively provided with an air inlet hole 7 and an air outlet hole 8.
The working principle is as follows: when in use, the external power supply is switched on, the fan 12 is started to enable external air to enter the shell 15 from the air inlet hole 7, and is discharged to the outside from the air outlet hole 8, so that the inside of the case 15 of the present invention has a certain intensity of air flow, the heat generated by the work of the circuit board body 6 can be taken out of the shell 15, the upper surface and the lower surface of the circuit board body 6 can be simultaneously radiated, the radiating effect is good, the plate-type air primary filter screen 10 can filter particles in the outside air, the dustproof effect is achieved, the circuit board body 6 is prevented from being corroded by dust, the silica gel desiccant particles 21 in the hollow rectangular plate 11 can dry the moisture in the air, so that the circuit board body 6 is in a dry environment, therefore, the invention solves the problems that the existing circuit board does not have the moisture-proof function, and the circuit board is easy to corrode in a humid environment to cause the damage of the circuit board; the invention can play the effects of moisture protection, dust prevention and heat dissipation on the circuit board body 6, greatly prolongs the service life of the circuit board body 6, has strong practicability, is convenient for the installation and the disassembly between the top cover 5 and the shell 15 by the matching arrangement of the U-shaped clamping plate 1, the first threaded hole 17 on the top cover 5 and the second threaded hole 18 on the shell 15, the first threaded hole 17 on the top cover 5 is connected with the second threaded hole 18 on the shell 15 by the fastening bolt, the outer walls at the two ends of the hollow rectangular plate 11 and the plate-type air primary filter screen 10 are connected with the wall clearance of the U-shaped groove on the U-shaped clamping plate 1, thereby facilitating the installation and the disassembly between the hollow rectangular plate 11 and the plate-type air primary filter screen 10 and the U-shaped clamping plate 1, facilitating the replacement or the cleaning of the hollow rectangular plate 11 and the plate-type air primary filter screen 10 by workers, and facilitating the use, through the cooperation setting of trapezoidal shape rubber clamp plate 3, reference column 20 and locating hole 19 on the circuit board body 6, the outer wall of reference column 20 and the pore wall clearance connection of locating hole 19 to made things convenient for the location installation of circuit board body 6, trapezoidal shape rubber clamp plate 3 compresses tightly fixedly to circuit board body 6, has made things convenient for the installation and the dismantlement of staff to circuit board body 6.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. 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 (6)

1. A circuit board with moisture-proof effect, includes casing (15), its characterized in that: top cap (5) is installed at the top of casing (15), mounting panel (13) are all installed to the inside both sides of casing (15), install backup pad (14) on the outer wall of one side of mounting panel (13), circuit board body (6) are installed to the top between two liang of neighbours of backup pad (14), the last surface central point of backup pad (14) puts and installs reference column (20), the other end of reference column (20) is installed in locating hole (19), locating hole (19) are seted up in the surperficial both sides of circuit board body (6), trapezoidal shape rubber clamp plate (3) are all installed to the lower surface both sides of top cap (5), and the bottom of trapezoidal shape rubber clamp plate (3) is laminated with the upper surface of circuit board body (6), one side of mounting panel (13) is provided with cavity rectangular plate (11) and board-type air and just imitates filter screen (10), and cavity rectangular plate (11) are located one side of board-like air primary filter screen (10), the U type inslot on U type cardboard (1) is all installed at the both ends of cavity rectangular plate (11) and board-like air primary filter screen (10), and the both ends outer wall of cavity rectangular plate (11) and board-like air primary filter screen (10) all with U type groove cell wall clearance connection on U type cardboard (1), the inside packing of cavity rectangular plate (11) has silica gel drier granule (21).
2. A circuit board having a moisture-proof effect as claimed in claim 1, wherein: first screw holes (17) are formed in four corners of the surface of the top cover (5), second screw holes (18) are formed in four corners of the top of the shell (15), and the first screw holes (17) in the top cover (5) are connected with the second screw holes (18) in the shell (15) through fastening bolts.
3. A circuit board having a moisture-proof effect as claimed in claim 1, wherein: the outer wall of the positioning column (20) is in clearance connection with the hole wall of the positioning hole (19).
4. A circuit board having a moisture-proof effect as claimed in claim 1, wherein: first ventilation hole (2) have all been seted up to the outer wall top and the below of mounting panel (13), second ventilation hole (4) have been seted up to the outer wall of trapezoidal shape rubber pressing plate (3), third ventilation hole (22) have all been seted up to the outer wall both sides of cavity rectangular plate (11).
5. A circuit board having a moisture-proof effect as claimed in claim 1, wherein: fixed plates (16) are mounted below two sides of the outer wall of the shell (15), and mounting holes (9) are formed in the surfaces of the fixed plates (16).
6. A circuit board having a moisture-proof effect as claimed in claim 1, wherein: and the outer walls of two sides of the shell (15) are respectively provided with an air inlet hole (7) and an air outlet hole (8).
CN202011405802.2A 2020-12-05 2020-12-05 Circuit board with dampproofing effect Pending CN112601343A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011405802.2A CN112601343A (en) 2020-12-05 2020-12-05 Circuit board with dampproofing effect

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011405802.2A CN112601343A (en) 2020-12-05 2020-12-05 Circuit board with dampproofing effect

Publications (1)

Publication Number Publication Date
CN112601343A true CN112601343A (en) 2021-04-02

Family

ID=75188240

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011405802.2A Pending CN112601343A (en) 2020-12-05 2020-12-05 Circuit board with dampproofing effect

Country Status (1)

Country Link
CN (1) CN112601343A (en)

Similar Documents

Publication Publication Date Title
CN101605442A (en) Heat abstractor
CN108155571A (en) A kind of stable low voltage equipment of high heat dissipation
CN209693142U (en) A kind of heat radiating type printed wiring board
CN214014611U (en) Circuit board with dampproofing effect
CN112601343A (en) Circuit board with dampproofing effect
CN218042240U (en) Calculate power chip box structure
CN217133643U (en) Hard disk fixing frame and server case
CN202885120U (en) Supporting device for air conditioner outdoor machine, printed circuit board (PCB) assembly and electronic element thereof
CN208299676U (en) A kind of compact frequency converter
CN214067730U (en) Computer host with power-off protection device
CN219248297U (en) External controller casing of interface
CN219609417U (en) Industrial-grade high-frequency triggering type grating projector shell
CN218586726U (en) Heat conduction assembly and distribution box
CN220172002U (en) Novel high-efficient heat dissipation integration solid-state relay
CN220173471U (en) Insulating isolation structure of PCB board and converter
CN218497446U (en) Mainboard fixing device
CN214501011U (en) LED stair lamp
CN217470666U (en) Circuit board with thermoelectric separation
CN217824704U (en) Novel filtering device for high-efficiency purification of power supply
CN209982470U (en) Decoder convenient to install and use
CN216721855U (en) Robot control cabinet
CN212112103U (en) Projector heat dissipation device
CN218941572U (en) Corrosion-resistant power circuit board
CN215446095U (en) A built-in mounting structure of singlechip for emergent lamps and lanterns of fire control
CN219042237U (en) Portable LED die-casting aluminum box

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20210402

WD01 Invention patent application deemed withdrawn after publication