A kind of heat radiating type printed wiring board
The utility model relates to printed wiring board technical field, specially a kind of heat radiating type printed wiring board.
As electronic product develops to multifunction, short thin light and small direction, for carrying the printed circuit of electronic product
The design space of plate is more and more intensive, and the requirement of signal frequency and transmission rate is also higher and higher, used electronic component
Power, chip arithmetic speed it is also increasing, and these electronic components or chip electric energy during operation largely turn
Chemical conversion heat distributes, and necessarily to the heat dissipation performance of wiring board, more stringent requirements are proposed for this.Generally, using in printed wiring board
Upper increase Metal Substrate radiates to realize, but the line pattern of printed wiring board can only be transmitted generated heat and dissipated by Metal Substrate
The electrical component and Metal Substrate interphase for sending out, and mounting on printed wiring board are separated with multilayer dielectricity layer, generated heat
It is difficult to be transmitted in Metal Substrate and distributes.This to radiate by substrate self structure, heat dissipation effect is undesirable, is easy
There is wiring board and crosses cause thermal damage.
Utility model content
The purpose of this utility model is to provide a kind of heat radiating type printed wiring boards, to solve to propose in above-mentioned background technique
The problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of heat radiating type printed wiring board, including box
Body and printed board are equipped with box cover on the upside of the box body, and the bottom insertion of the box body is equipped with filter screen, the box body
Inner cavity is equipped with radiator fan, and the radiator fan is located at the top of filter screen, and the inner cavity Corner Strapped of the box body is connected with
Sliding sleeve, slidably connects sliding block in the sliding sleeve, and the bottom of the sliding block and box body is fixedly connected with spring, the sliding block it is upper
Side is fixedly connected with Nut column, and the printed board is located in box body, and the quadrangle screw of the printed board is connect with Nut column.
Preferably, the box body it is suitable for reading be equipped with it is outside turn over time, the box cover and turn over all over clamping and be screwed.
Preferably, the bottom four corners of the box body are fixedly connected with installation trunnion, and the installation trunnion is equipped with mounting hole.
Preferably, the left side of sliding sleeve position rhs-structure, the printed board is equipped with air hole.
Preferably, the right side of the box body is equipped with circular hole, and the diameter of the circular hole is 15~20mm.
Preferably, the box body and box cover are all made of hard plastic injection molding molding.
Compared with prior art, the utility model has the beneficial effects that the radiator fan rotation of the utility model can be from
In external air draught to box body, air-flow blows to printed board and carries out radiating and cooling to it, and filter screen is filtered the air of sucking, subtracts
The sucking of few dust impurity.Printed board is mounted on Nut column, and Nut column is mounted on spring-supported sliding block, thus printed board
There are certain up and down surpluses, play the role of shock-absorbing protecting.The utility model good heat dissipation effect, and can be printed board
Shock-absorbing protecting is provided, beneficial to the service life of delay line plate.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model side structure schematic view；
Fig. 3 is partial enlarged view at A in the utility model Fig. 1.
In figure: 1 box body, 2 box covers, 3 printed boards, 4 circular holes, 5 filter screens, 6 radiator fans, 7 air holes, 8 installation trunnions, 9
Sliding sleeve, 10 springs, 11 sliding blocks, 12 Nut columns.
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of heat radiating type printed wiring board, including box body 1
With printed board 3, the upside of the box body 1 is equipped with box cover 2, and the bottom insertion of the box body 1 is equipped with filter screen 5, the box
The inner cavity of body 1 is equipped with radiator fan 6, and the radiator fan 6 is located at the top of filter screen 5, and the inner cavity quadrangle of the box body 1 is solid
Surely it is connected with sliding sleeve 9, sliding block 11 is slidably connected in the sliding sleeve 9, the bottom of the sliding block 11 and box body 1 is fixedly connected with bullet
Spring 10, the upside of the sliding block 11 are fixedly connected with Nut column 12, and the printed board 3 is located in box body 1, the printed board 3
Quadrangle screw is connect with Nut column 12.
Specifically, the box body 1 it is suitable for reading be equipped with it is outside turn over time, the box cover 2 and turn over all over clamping and be screwed,
The inside of box body 1 is equipped with temperature-sensitive switch, and temperature-sensitive switch and radiator fan 6 are electrically connected, and temperature increases radiator fan 6 certainly
Specifically, the bottom four corners of the box body 1 are fixedly connected with installation trunnion 8, the installation trunnion 8 is equipped with installation
This wiring board is fixed on equipment for penetrating screw by mounting hole described in hole.
Specifically, 9 rhs-structures of the sliding sleeve, the left side of the printed board 3 is equipped with air hole 7.
Specifically, the right side of the box body 1 is equipped with circular hole 4, the diameter of the circular hole 4 is 15~20mm, the circular hole 4
For inlet-outlet line, while for gas to be discharged.
Specifically, the box body 1 and box cover 2 are all made of hard plastic injection molding molding, it is ensured that insulation prevents box body 1 and box cover
This wiring board: being mounted in equipment by working principle when use, sets in the bottom of box body 1 there are four installation trunnion 8,
It being fixed by installing trunnion 8, there are certain thickness for installation trunnion 8, so the bottom of box body 1 will not be sturdy, heat dissipation
The rotation of fan 6 can install temperature-sensitive switch, and temperature-sensitive switch and heat dissipation in the inner cavity of box body 1 in from external air draught to box body 1
Fan 6 is electrically connected, and when temperature reaches setting value in box body 1, radiator fan 6 starts automatically.The air of 5 pairs of filter screen suckings
It is filtered, reduces the sucking of dust impurity.Air-flow blows to printed board 3 and carries out radiating and cooling to it, and air-flow is flowed by air hole 7
It is discharged to 3 upside of printed board and from circular hole 4.Printed board 3 is mounted on Nut column 12, and Nut column 12 is mounted on the support of spring 10
On sliding block 11, so that printed board 3 has certain up and down surplus, play the role of shock-absorbing protecting.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.