High-thickness copper PCB multilayer board
Technical Field
The utility model relates to the technical field of PCB boards, in particular to a high-thickness copper PCB multilayer board.
Background
The PCB multilayer board is more than two layers of printed boards, and consists of connecting wires on a plurality of layers of insulating substrates and bonding pads for assembling and welding electronic elements, and has the functions of conducting each layer of circuits and insulating each other.
Chinese patent number 201921482648.1 discloses a super thick copper PCB multiply wood belongs to PCB multiply wood technical field, including thick copper PCB board in top layer, thick copper PCB board in middle level and thick copper PCB board in bottom, the thick copper PCB board in bottom of thick copper PCB board in top layer is connected with thick copper PCB board in bottom through thick copper PCB board in middle layer, thick copper PCB board in top layer bottom and thick copper PCB board in bottom all are fixed with the lug, the top and the bottom of the thick copper PCB board in middle level have all seted up flutedly.
At present, a plurality of printed boards are stacked to form a PCB multi-layer board, so that heat is accumulated in the printed boards during working, the outside of the printed boards naturally contacts with air, the heat dissipation effect of the printed boards is poor, and the PCB multi-layer board can be damaged due to high temperature. Therefore, there is a need to design a high-thickness copper PCB multilayer board to solve the above problems.
Disclosure of Invention
The utility model aims to provide a high-thickness copper PCB multilayer board so as to solve the defects in the prior art.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides a high thick copper PCB multiply wood, includes the multiply wood body, the both sides of multiply wood body are provided with heating panel one and heating panel two, heating panel one and heating panel two all include the casing, the inside of casing is provided with the vacuum chamber, the inner wall of casing is provided with the capillary layer, be provided with evenly distributed's support column between the both sides inner wall of casing, the outer wall of casing is provided with evenly distributed's heat dissipation arch, the top outer wall integrated into one piece of casing has the feed liquor mouth, there is sealed lid at the top of feed liquor mouth through threaded connection.
Further, the inner wall of the liquid inlet nozzle is provided with a conical hole, and the inner wall of the top of the sealing cover is integrally formed with a conical body matched with the conical hole.
Further, the outer wall of the top of the sealing cover is provided with a hexagonal hole, and a sealing gasket is arranged in the sealing cover.
Further, the multi-layer board body comprises a plurality of laminated single boards, and connecting cylinders are arranged in the single boards.
Further, an upper baffle ring is integrally formed at the top end of the connecting cylinder, a lower baffle ring is integrally formed at the bottom end of the connecting cylinder, and a plurality of single plates are positioned between the upper baffle ring and the lower baffle ring.
Further, heat conduction silica gel is arranged between the first heat radiation plate, the second heat radiation plate and the multi-layer plate body, and a supporting plate is fixed at the bottoms of the first heat radiation plate and the second heat radiation plate.
Further, the bottom integrated into one piece of connecting cylinder has the spliced pole, the outer wall integrated into one piece of spliced pole has the anti-slip ring.
In the technical scheme, the high-thickness copper PCB multilayer board provided by the utility model has the beneficial effects that:
(1) Through casing and capillary that set up, with the inside alcohol that pours into of vacuum chamber of casing into to make vacuum intracavity portion form vacuum state, alcohol can evaporate the heat absorption and liquefy near the bellied inner wall of heat dissipation at the casing when the multiply wood body generates heat, make the heat that the multiply wood body produced can effectually dispel, consequently realized the efficient effect of high thick copper PCB multiply wood heat dissipation.
(2) Through welding post and the antiskid ring that sets up, welding post and connecting cylinder integrated into one piece are as the pin of multiply wood body for the multilayer board body is after the welding, and the antiskid ring can realize carrying out the effect of embedding each other with the solder, and then more firm when making high thick copper PCB multiply wood welded, and can not produce the phenomenon of rosin joint.
(3) Through sealed lid and the feed liquor mouth that sets up, utilize the conical body that seals to cover to cooperate with the inside bell mouth of feed liquor mouth for sealed lid is better to the sealed effect of feed liquor mouth, has consequently realized preventing the inside vacuum chamber of shell and has got into the effect of air.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic diagram of a front view structure of a high-thickness copper PCB multilayer board according to an embodiment of the present utility model.
Fig. 2 is a schematic diagram of an internal structure of a high-thickness copper PCB multilayer board according to an embodiment of the present utility model.
Fig. 3 is a schematic diagram of a heat dissipating plate according to an embodiment of the present utility model.
Fig. 4 is a schematic view of a liquid inlet nozzle structure provided by an embodiment of a high-thickness copper PCB multilayer board according to the present utility model.
Reference numerals illustrate:
the heat-conducting plate comprises a 1 multi-layer plate body, a 2 heat-radiating plate I, a 3 heat-radiating plate II, 4 heat-conducting silica gel, 5 heat-radiating bulges, 6 support plates, 7 welding columns, 8 anti-slip rings, 9 single plates, 10 connecting cylinders, 11 upper baffle rings, 12 lower baffle rings, 13 shells, 14 capillary layers, 15 vacuum cavities, 16 support columns, 17 liquid inlets, 18 sealing covers, 19 conical holes, 20 conical bodies, 21 six-edge holes and 22 sealing gaskets.
Detailed Description
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-4, the high-thickness copper PCB multilayer board provided by the embodiment of the utility model comprises a multilayer board body 1, wherein a first heat dissipation plate 2 and a second heat dissipation plate 3 are arranged on two sides of the multilayer board body 1, the first heat dissipation plate 2 and the second heat dissipation plate 3 both comprise a shell 13, a vacuum cavity 15 is arranged inside the shell 13, a capillary layer 14 is arranged on the inner wall of the shell 13, evenly distributed support columns 16 are arranged between the inner walls of the two sides of the shell 13, evenly distributed heat dissipation bulges 5 are arranged on the outer wall of the shell 13, a liquid inlet nozzle 17 is integrally formed on the outer wall of the top of the shell 13, and a sealing cover 18 is connected to the top of the liquid inlet nozzle 17 through threads.
Specifically, in this embodiment, including multiply wood body 1, multiply wood body 1 is prior art's high thick copper PCB multilayer circuit board, multiply wood body 1 is provided with heating panel one 2 and heating panel two 3 in the both sides of multiply wood body 1, heating panel one 2 and heating panel two 3 all include casing 13, casing 13 inside cavity, casing 13's inside is provided with vacuum cavity 15, vacuum cavity 15 is the vacuum state, casing 13's inner wall is provided with capillary layer 14, capillary layer 14 inside is loose porous, be provided with evenly distributed's support column 16 between casing 13's the both sides inner wall, utilize support column 16 to prevent casing 13 negative pressure deformation, casing 13's outer wall is provided with evenly distributed's heat dissipation arch 5, heat dissipation arch 5 plays the effect of increase radiating area, casing 13's top outer wall integrated into one piece has feed liquor mouth 17, feed liquor mouth 17 is for adding alcohol use, feed liquor mouth 17's top is through threaded connection with sealed lid 18, sealed lid 18 plays sealed effect to feed liquor mouth 17, firstly add alcohol with casing 13 inside, then sealed lid 18 under the vacuum state with casing 13.
According to the high-thickness copper PCB multilayer board provided by the utility model, the alcohol is injected into the vacuum cavity 15 of the shell 13 through the shell 13 and the capillary tube, and the vacuum cavity 15 is in a vacuum state, so that when the multilayer board body 1 heats, the alcohol can evaporate and absorb heat and liquefy the inner wall of the shell 13, which is close to the heat dissipation bulge 5, so that the heat generated by the multilayer board body 1 can be efficiently dissipated, and therefore, the high-efficiency heat dissipation effect of the high-thickness copper PCB multilayer board is realized.
In one embodiment provided by the utility model, the inner wall of the liquid inlet nozzle 17 is provided with the conical hole 19, the conical body 20 matched with the conical hole 19 is integrally formed on the inner wall of the top of the sealing cover 18, the conical body 20 on the sealing cover 18 is matched with the conical hole 19 in the liquid inlet nozzle 17, so that the sealing effect of the sealing cover 18 on the liquid inlet nozzle 17 is better, the effect of preventing the vacuum cavity 15 in the shell from entering air is realized, the six-edge hole 21 is arranged on the outer wall of the top of the sealing cover 18, the six-edge hole 21 is convenient for the six-edge wrench to rotate the sealing cover 18, the sealing gasket 22 is arranged in the sealing cover 18, and the sealing effect of the sealing cover 18 is enhanced by the sealing gasket 22.
In still another embodiment provided by the utility model, the multi-layer board body 1 comprises a plurality of laminated single boards 9, a connecting cylinder 10 is arranged in the single boards 9, the connecting cylinder 10 is a pin, the conductive effect is realized, an upper baffle ring 11 is integrally formed at the top end of the connecting cylinder 10, a lower baffle ring 12 is integrally formed at the bottom end of the connecting cylinder 10, the single boards 9 are fixed between the upper baffle ring 11 and the lower baffle ring 12 by utilizing the space between the upper baffle ring 11 and the lower baffle ring 12, a welding column 7 is integrally formed at the bottom end of the connecting cylinder 10, the welding column 7 is welded with a power supply, an anti-slip ring 8 is integrally formed at the outer wall of the welding column 7, the welding column 7 and the connecting cylinder 10 are integrally formed as pins of the multi-layer board body 1, the anti-slip ring 8 can realize the effect of mutual embedding with solder after the multi-layer board body 1 is welded, so that the multi-layer board with high-thickness copper PCB is more firmly welded, and no false welding phenomenon occurs.
In still another embodiment of the present utility model, a heat-conducting silica gel 4 is disposed between the first heat dissipation plate 2 and the second heat dissipation plate 3 and the multi-layer board body 1, the heat-conducting silica gel 4 has an efficient heat-conducting effect, the bottoms of the first heat dissipation plate 2 and the second heat dissipation plate 3 are fixed with a support plate 6, and the support plate 6 realizes the fixing function of the first heat dissipation plate 2 and the second heat dissipation plate 3 to the multi-layer board body 1.
Working principle: alcohol is injected into the vacuum cavity 15 of the shell 13, and a vacuum state is formed in the vacuum cavity 15, so that when the multi-layer board body 1 heats, the alcohol can evaporate and absorb heat and liquefy the inner wall of the shell 13, which is close to the heat dissipation bulge 5, so that heat generated by the multi-layer board body 1 can be efficiently dissipated, and the effect of high-efficiency heat dissipation of the high-thickness copper PCB multi-layer board is realized; through the integrated formation of the welding post 7 and the connecting cylinder 10 which are arranged as the pins of the multi-layer board body 1, the anti-slip ring 8 can realize the effect of mutual embedding with solder after the multi-layer board body 1 is welded, so that the high-thickness copper PCB multi-layer board is firmer during welding, and the phenomenon of cold joint can not be generated; the conical body 20 on the sealing cover 18 is matched with the conical hole 19 in the liquid inlet nozzle 17, so that the sealing effect of the sealing cover 18 on the liquid inlet nozzle 17 is better, and the effect of preventing the vacuum cavity 15 in the shell from entering air is realized.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.