CN210042522U

CN210042522U - Printed wiring board with protective structure

Info

Publication number: CN210042522U
Application number: CN201920349770.5U
Authority: CN
Inventors: 陈国清
Original assignee: Meiruilongbai Circuit Huizhou Co Ltd
Current assignee: Meiruilongbai Circuit Huizhou Co Ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-02-07
Anticipated expiration: 2029-03-19

Abstract

The utility model discloses a printed circuit board with protective structure, which comprises a circuit board body, wherein the circuit board body comprises a substrate and a circuit panel, the bottom of the circuit panel is fixedly connected with the substrate, a protective shell is arranged on the outer side of the substrate, a plurality of arc-shaped limiting grooves are arranged on the front surface of the protective shell, a plurality of fixed columns are fixedly arranged on the front surface of the substrate, and the arc-shaped limiting grooves are clamped and connected with the fixed columns, can effectively protect the electronic components on the circuit board from being damaged by external factors, prolong the service life of the circuit board, the protective shell is made of heat-conducting insulating silica gel, has good insulating property, can prevent electric shock hazard when workers touch the circuit board, in addition, the protective shell is connected with the fixed column in a clamping mode through the arc-shaped limiting groove, so that the electronic components can be more conveniently disassembled when being overhauled.

Description

Printed wiring board with protective structure

Technical Field

The utility model relates to a circuit board, in particular to printed wiring board with protective structure.

Background

The circuit board has the name: ceramic circuit board, alumina ceramic circuit board, aluminum nitride ceramic circuit board, PCB board, aluminum substrate, high frequency board, thick copper board, impedance 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. The circuit board may be referred to as a printed wiring board or a printed circuit board. The prior printed circuit board has the following problems in the use process:

1) the electronic element on the circuit board has a small structure and fragile texture, and is easily damaged by various factors after being exposed to the external environment for a long time; 2) when workers detach and inspect the circuit board, if the workers forget to turn off the power supply, the touch circuit board may be in danger of electric shock.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printed wiring board with protective structure to the electron unit that proposes on the current circuit board among the above-mentioned background art is exposed in the external environment for a long time and is leaded to damaging and when dismantling and checking the circuit board, if forget the cut-off power supply, probably takes place the dangerous problem of electric shock on the touch-sensitive circuit board.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a printed wiring board with protective structure, includes the circuit board body, the circuit board body includes base plate and circuit panel, circuit panel's bottom and base plate fixed connection, the outside of base plate is equipped with the protecting crust, the trompil relative with circuit panel wiring hole position is seted up in the front of protecting crust, a plurality of arc spacing groove has been seted up in the front of protecting crust, the fixed a plurality of fixed column that is equipped with in front of base plate, the arc spacing groove is connected with the fixed column block, four edges of base plate all fix and are equipped with the installation piece, the installation screw hole has openly been seted up to the installation piece.

As an optimized technical scheme of the utility model, the protecting crust is made for heat conduction insulating silica gel material.

As an optimized technical scheme of the utility model, the equal fixedly connected with heat radiation fins of two curb plates of protecting crust.

As an optimal technical scheme of the utility model, a plurality of ventilation hole has been seted up at the top of protecting crust, the inside block in ventilation hole is connected with dustproof filter screen.

As a preferred technical scheme of the utility model, the fixed viscose piece that is equipped with in inside top of arc spacing groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to a printed wiring board with protective structure, through the protecting crust that is equipped with in the base plate outside, can effectively protect electronic components on the circuit board not receive external factors's damage, increase the life of circuit board, and the protecting crust makes by heat conduction insulating silica gel, good insulation, can make the staff can not take place the electric shock danger when touching the circuit board, in addition, the protecting crust passes through arc spacing groove and fixed column block and connects, it is more convenient to make the dismantlement when overhauing electronic components, through the heat radiation fin who sets up on two curb plates of protecting crust, can effectively spill the heat that the circuit board during operation produced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the surface of the circuit board of the present invention;

fig. 3 is an enlarged schematic structural diagram of the present invention at a position of fig. 1.

In the figure: 1. a protective shell; 2. a vent hole; 3. a dustproof filter screen; 4. a substrate; 5. heat dissipation fins; 6. fixing a column; 7. opening a hole; 8. an arc-shaped limiting groove; 9. gluing blocks; 10. mounting a sheet; 11. installing a threaded hole; 12. a circuit panel.

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.

Please refer to fig. 1-3, the utility model provides a printed wiring board with protective structure, including the circuit board body, the circuit board body includes base plate 4 and circuit panel 12, circuit panel 12's bottom and base plate 4 fixed connection, base plate 4's the outside is equipped with protecting crust 1, trompil 7 relative with circuit panel 12 wiring hole position is seted up in protecting crust 1's front, a plurality of arc spacing groove 8 has been seted up in protecting crust 1's front, base plate 4's front is fixed and is equipped with a plurality of fixed column 6, arc spacing groove 8 is connected with fixed column 6 block, four edges of base plate 4 all fix and are equipped with mounting plate 10, mounting plate 10 has openly seted up mounting screw hole 11.

Preferably, the protective shell 1 is made of a heat-conducting and insulating silica gel material, and has good insulating property and heat conductivity.

Preferably, both side plates of the protective shell 1 are fixedly connected with heat dissipation fins 5, so that heat transferred on the side plates of the protective shell 1 can be quickly dissipated.

Preferably, a plurality of ventilation hole 2 has been seted up at the top of protecting crust 1, and the inside block in ventilation hole 2 is connected with dustproof filter screen 3, can effectively prevent when ventilating that external dust from getting into on circuit panel 12.

Preferably, the top end inside the arc-shaped limiting groove 8 is fixedly provided with an adhesive block 9, and the adhesive block 9 can make the protective shell 1 more stably mounted on the substrate 4 by using adhesive force.

When specifically using, the utility model relates to a printed wiring board with protective structure, when the electronic components of circuit board exposes under external environment, can be with protecting crust 1 through 8 blocks of arc spacing groove on the positive fixed column 6 of base plate 4, protecting crust 1 alright protect electronic components effectively not receive external factors's damage like this, wherein, set up in the viscose piece 9 on 8 inside tops in arc spacing groove, can make protecting crust 1 install on base plate 4 more steadily, when electronic components is overhauld to needs, only need with protecting crust 1 extract from base plate 4 through 8 arc spacing grooves can, convenient and fast. Because protective housing 1 is made by heat conduction insulating silica gel, insulating nature is good, can make the staff can not take place to electrocute danger when touching the circuit board to, because the better heat conductivity of protective housing 1, the heat that the circuit board during operation produced can directly transmit on 1 two curb plates of protective housing, by the heat radiation fins 5 effluvium to the external world of curb plate connection again, it is quick effective.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a printed wiring board with protective structure, includes the circuit board body, its characterized in that, the circuit board body includes base plate (4) and circuit panel (12), the bottom and base plate (4) fixed connection of circuit panel (12), the outside of base plate (4) is equipped with protecting crust (1), trompil (7) relative with circuit panel (12) wiring hole position are seted up in the front of protecting crust (1), a plurality of arc spacing groove (8) have been seted up in the front of protecting crust (1), the front of base plate (4) is fixed and is equipped with a plurality of fixed column (6), arc spacing groove (8) are connected with fixed column (6) block, four edges of base plate (4) all are fixed and are equipped with mounting plate (10), mounting plate (10) openly have seted up mounting screw hole (11).

2. The printed wiring board with the protective structure according to claim 1, wherein: the protective shell (1) is made of heat-conducting insulating silica gel materials.

3. The printed wiring board with the protective structure according to claim 1, wherein: and the two side plates of the protective shell (1) are fixedly connected with radiating fins (5).

4. The printed wiring board with the protective structure according to claim 1, wherein: a plurality of ventilation hole (2) have been seted up at the top of protecting crust (1), the inside block in ventilation hole (2) is connected with dustproof filter screen (3).

5. The printed wiring board with the protective structure according to claim 1, wherein: and an adhesive block (9) is fixedly arranged at the top end inside the arc-shaped limiting groove (8).