CN212211768U - Novel high temperature resistant double-sided circuit board - Google Patents

Abstract

The utility model relates to a novel high temperature resistant double-sided circuit board, which comprises a circuit board, the up end fixedly connected with protective frame of circuit board, two lateral walls that protective frame is relative all are equipped with the second filter screen, the up end of circuit board is equipped with heat conduction mechanism, two first pipelines of interior top fixedly connected with of protective frame, two other fixedly connected with second pipeline and third pipeline are equallyd divide at the both ends of first pipeline, two all be equipped with the mechanism that opens and shuts in second pipeline and two third pipelines, two motors of up end fixedly connected with of circuit board, two the lower terminal surface of first pipeline all runs through and is equipped with the fourth pipeline. The utility model has the advantages of reasonable design, not only can derive the heat that the circuit board during operation produced, can also be with cold air suction protective frame, with the absorptive heat discharge of heat conduction mechanism, the radiating effect is good, has improved the life of circuit board.

Description

Novel high temperature resistant double-sided circuit board

[ technical field ] A method for producing a semiconductor device

The utility model relates to a circuit board technical field especially relates to a novel high temperature resistant double-sided circuit board.

[ background of the invention ]

High-tech development, people need electronic products with high performance, small volume and multiple functions, the manufacture of the printed circuit board is promoted to be developed to be light, thin, short and small, more functions are realized in a limited space, the wiring density is increased, and the aperture is smaller; from 1995 to 2007, the minimum pore diameter of the mechanical drilling batch capacity was reduced from 0.4mm to 0.2mm, and even smaller; the diameter of the metallized hole is smaller and smaller. The quality of the metallized holes on which the interconnection between layers depends is directly related to the reliability of the printed board.

Because both sides of the double-sided circuit board are provided with copper, when the double-sided circuit board works, a large amount of heat is generated to be far more than that of the single-sided circuit board, so that the circuit board is in a high-temperature state, and the service life of the circuit board is shortened; therefore, a novel high-temperature resistant double-sided circuit board is designed to solve the problems.

[ Utility model ] content

The utility model aims at solving the problem existing in the prior art and providing a novel high temperature resistant double-sided circuit board.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a novel high temperature resistant double-sided circuit board, includes the circuit board, the up end fixedly connected with protective frame of circuit board, two lateral walls that protective frame is relative all are equipped with the second filter screen, the up end of circuit board is equipped with heat conduction mechanism, two first pipelines of the interior top fixedly connected with of protective frame, two do not fixedly connected with second pipeline and third pipeline, two are equallyd divide at the both ends of first pipeline all be equipped with the mechanism that opens and shuts in second pipeline and two third pipelines, two motors of up end fixedly connected with of circuit board, two the lower terminal surface of first pipeline all runs through and is equipped with the fourth pipeline, two the motor respectively with correspond between two fourth pipelines all be equipped with pressure mechanism.

Preferably, heat conduction mechanism includes the silicone grease layer of fixed connection at the circuit board up end, the upper end fixedly connected with fin on silicone grease layer, two guide plates of up end fixedly connected with of fin, the up end of protection frame is equipped with first filter screen.

Preferably, the opening and closing mechanism comprises a rectangular plate fixedly connected to the inner wall of the second pipeline, a connecting rod in sliding connection with the rectangular plate is arranged on the rectangular plate in a penetrating mode, a baffle is fixedly connected to the other end of the connecting rod, and a first spring is arranged on the part, close to the baffle, of the connecting rod in a winding mode.

Preferably, the pressure mechanism includes the gear of fixed connection at the motor power end, the lateral wall part of gear is equipped with the gear tooth, sliding connection has the piston in the fourth pipeline, the lower terminal surface fixedly connected with piston rod of piston, the part that the piston rod is located the fourth pipeline is around being equipped with the second spring, fixedly connected with rack plate on the lateral wall of piston rod, partial meshing between rack plate and the gear.

Preferably, the inner diameter of the first pipeline is larger than that of the second pipeline, the inner diameter of the first pipeline is smaller than that of the third pipeline, the outer diameter of the baffle in the first pipeline is larger than that of the second pipeline, and the outer diameter of the baffle in the third pipeline is larger than that of the first pipeline.

Preferably, four mounting holes are formed in the circuit board in a penetrating manner.

Compared with the prior art, the utility model, its beneficial effect does:

1. through the effect of heat conduction mechanism, can conduct the heat that circuit board work produced for the heat can more effectually distribute away sooner.

2. Through the combined action of the opening and closing mechanism and the pressure mechanism, cold air can be sucked into the protective frame, hot air in the protective frame is discharged, the circuit board can be effectively cooled by the aid of the heat conduction mechanism, and the service life of the circuit board is prolonged.

In conclusion, not only can the heat that the circuit board during operation produced be derived, can also inhale the protection frame with cold air, with the absorptive heat of heat conduction mechanism discharge, the radiating effect is good, has improved the life of circuit board.

[ description of the drawings ]

Fig. 1 is a schematic structural view of a novel high-temperature resistant double-sided circuit board provided by the present invention;

fig. 2 is an enlarged view of a part of the structure of a novel high-temperature resistant double-sided circuit board provided by the present invention;

fig. 3 is a side view of a part of the structure of a novel high-temperature resistant double-sided circuit board provided by the present invention;

fig. 4 is a top view of the novel high-temperature resistant double-sided circuit board provided by the utility model.

In the figure: the air conditioner comprises a circuit board 1, a protective frame 2, a mounting hole 3, a first filter screen 4, a second filter screen 5, a silicone grease layer 6, a radiating fin 7, a guide plate 8, a first pipeline 9, a second pipeline 10, a third pipeline 11, a rectangular plate 12, a connecting rod 13, a first spring 14, a baffle 15, a motor 16, a fourth pipeline 17, a piston rod 18, a rack plate 19 and a gear 20.

[ detailed description ] embodiments

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.

Referring to fig. 1-4, a novel high-temperature resistant double-sided circuit board comprises a circuit board 1, wherein a protective frame 2 is fixedly connected to the upper end face of the circuit board 1, second filter screens 5 are respectively arranged on two opposite side walls of the protective frame 2, a heat conduction mechanism is arranged on the upper end face of the circuit board 1 and comprises a silicone grease layer 6 fixedly connected to the upper end face of the circuit board 1, a radiating fin 7 is fixedly connected to the upper end of the silicone grease layer 6, two guide plates 8 are fixedly connected to the upper end face of the radiating fin 7, a first filter screen 4 is arranged on the upper end face of the protective frame 2, and the first filter screen 4 can filter and purify sucked cold air so as to prevent the heat conduction mechanism from accumulating dust; the silicone grease layer 6 absorbs heat generated by the circuit board 1, and the heat of the heat radiating fins 7 is discharged out of the protective frame 2 by cold air blown out from the third pipeline 11 under the action of the flow guide plate 8 when the heat is conducted to the heat radiating fins 7, so that the circuit board 1 can be effectively radiated.

Two first pipelines 9 of interior top fixedly connected with of protective frame 2, do not fixedly connected with second pipeline 10 and third pipeline 11 are equallyd divide to the both ends of two first pipelines 9, all be equipped with the mechanism that opens and shuts in two second pipelines 10 and two third pipelines 11, the mechanism that opens and shuts includes rectangular plate 12 of fixed connection at second pipeline 10 inner wall, run through on the rectangular plate 12 be equipped with rather than sliding connection's connecting rod 13, connecting rod 13's other end fixedly connected with baffle 15, connecting rod 13 is close to the part of baffle 15 around being equipped with first spring 14, the internal diameter of first pipeline 9 is greater than the internal diameter of second pipeline 10, the internal diameter of first pipeline 9 is less than the internal diameter of third pipeline 11, the external diameter of baffle 15 in the first pipeline 9 is greater than the internal diameter of second pipeline 10, the external diameter of baffle 15 in the third pipeline 11 is greater than the internal diameter of first pipeline 9.

Specifically, when piston rod 18 drove the piston and move down, under the suction effect of piston, two baffle 15 relative movement, cold air gets into first pipeline 9 from second pipeline 10 in, when piston rod 18 drove piston rebound, two baffle 15 move back to back of the body, the cold air of piston in with first pipeline 9 is extruded from third pipeline 11 and is gone out, so can carry cold air to in the protective frame 2, and discharge the hot-air in the protective frame 2, cooperation heat conduction mechanism, the radiating effect is good, make circuit board 1 more heat-resisting.

Two motors 16 of up end fixedly connected with of circuit board 1, the lower terminal surface of two first pipelines 9 all runs through and is equipped with fourth pipeline 17, two motors 16 respectively with correspond all be equipped with pressure mechanism between two fourth pipeline 17, pressure mechanism includes gear 20 of fixed connection at the 16 power end of motor, gear 20's lateral wall part is equipped with the gear tooth, sliding connection has the piston in the fourth pipeline 17, the lower terminal surface fixedly connected with piston rod 18 of piston, the part that piston rod 18 is located fourth pipeline 17 is around being equipped with the second spring, fixedly connected with rack plate 19 on piston rod 18's the lateral wall, part meshing between rack plate 19 and the gear 20.

Specifically, the motor 16 is started, the motor 16 drives the gear 20 to rotate, when the gear teeth of the gear 20 abut against the rack plate 19, the gear 20 rotates to drive the rack plate 19 to move downwards, the rack plate 19 moves downwards to drive the piston rod 18 to move downwards, when the gear teeth of the gear 20 are separated from the rack plate 19, under the action of the second spring, the piston is reset, and therefore the piston always reciprocates up and down.

The utility model discloses its functional principle is explained to following mode of operation of accessible:

the utility model discloses in, when circuit board 1 work produced heat, the heat absorption that silicone grease layer 6 produced circuit board 1, in conduction to fin 7 department, starter motor 16, motor 16 drives gear 20 and rotates, when gear 20's the tooth offsets with rack plate 19, gear 20 rotates and drives rack plate 19 and remove downwards, rack plate 19 removes downwards and drives piston rod 18 and remove downwards, the tooth that breaks away from rack plate 19 when gear 20, under the effect of second spring, the piston resets, reciprocating motion about so the piston is done always.

When piston rod 18 drives the piston and moves down, under the suction effect of piston, two baffle 15 relative movement, cold air gets into in the first pipeline 9 from second pipeline 10, when piston rod 18 drives the piston rebound, two baffle 15 move back to back of the body, the piston extrudes the cold air in the first pipeline 9 from third pipeline 11, under the effect of guide plate 8, the cold air that blows out from third pipeline 11 discharges the heat of fin 7 department and protects frame 2, realized carrying cold air to in protecting frame 2, and discharge the hot air in protecting frame 2, cooperation heat conduction mechanism, the radiating effect is good, make circuit board 1 more heat-resisting.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. A novel high-temperature resistant double-sided circuit board comprises a circuit board (1) and is characterized in that, the upper end surface of the circuit board (1) is fixedly connected with a protective frame (2), two opposite side walls of the protective frame (2) are respectively provided with a second filter screen (5), the upper end face of the circuit board (1) is provided with a heat conducting mechanism, the inner top of the protective frame (2) is fixedly connected with two first pipelines (9), the two ends of the two first pipelines (9) are respectively and fixedly connected with a second pipeline (10) and a third pipeline (11), the two second pipelines (10) and the two third pipelines (11) are respectively provided with an opening and closing mechanism, the upper end face of circuit board (1) is fixedly connected with two motors (16), two the lower terminal surface of first pipeline (9) all runs through and is equipped with fourth pipeline (17), two motor (16) respectively with correspond two fourth pipeline (17) between all be equipped with the pressure mechanism.

2. The novel high-temperature-resistant double-sided circuit board as claimed in claim 1, wherein the heat conducting mechanism comprises a silicone grease layer (6) fixedly connected to the upper end surface of the circuit board (1), a heat sink (7) is fixedly connected to the upper end of the silicone grease layer (6), two guide plates (8) are fixedly connected to the upper end surface of the heat sink (7), and the upper end surface of the protective frame (2) is provided with the first filter screen (4).

3. The novel high-temperature-resistant double-sided circuit board as claimed in claim 1, wherein the opening and closing mechanism comprises a rectangular plate (12) fixedly connected to the inner wall of the second pipeline (10), a connecting rod (13) slidably connected to the rectangular plate (12) penetrates through the rectangular plate, a baffle (15) is fixedly connected to the other end of the connecting rod (13), and a first spring (14) is wound around a portion of the connecting rod (13) close to the baffle (15).

4. The novel high-temperature-resistant double-sided circuit board as claimed in claim 1, wherein the pressure mechanism comprises a gear (20) fixedly connected to a power end of the motor (16), the outer side wall of the gear (20) is provided with gear teeth, a piston is slidably connected to the fourth pipeline (17), a piston rod (18) is fixedly connected to the lower end face of the piston, a second spring is wound on a portion, located in the fourth pipeline (17), of the piston rod (18), a rack plate (19) is fixedly connected to the side wall of the piston rod (18), and the rack plate (19) is partially meshed with the gear (20).

5. The novel high-temperature-resistant double-sided circuit board as claimed in claim 1, wherein the inner diameter of the first pipeline (9) is larger than the inner diameter of the second pipeline (10), the inner diameter of the first pipeline (9) is smaller than the inner diameter of the third pipeline (11), the outer diameter of the baffle (15) in the first pipeline (9) is larger than the inner diameter of the second pipeline (10), and the outer diameter of the baffle (15) in the third pipeline (11) is larger than the inner diameter of the first pipeline (9).

6. The novel high-temperature-resistant double-sided circuit board as claimed in claim 1, wherein four mounting holes (3) are formed in the circuit board (1) in a penetrating manner.

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