Switch power supply with efficient heat conduction performance
Technical Field
The invention relates to the technical field of power supply devices, in particular to a switching power supply with high-efficiency heat conduction performance.
Background
The switching power supply is a high-frequency electric energy conversion device and is a power supply. The function is to convert a voltage of one level into a voltage or current required by the user terminal through different types of structures.
The current switching power supply generally dispels the heat through the mode of trompil or setting up the fin, along with the continuous rising of casing inside temperature, because current heat radiation structure exists the problem that the heat dispersion is poor, leads to the inside heat of power casing unable fine transmission to go out, seriously influences switching power supply's normal operating.
Disclosure of Invention
In order to solve the technical defects, the technical scheme adopted by the invention is that the switch power supply with the high-efficiency heat conduction performance comprises a shell, wherein a switch power supply body is arranged in the shell, a first positioning groove is formed in the top of the shell, a plurality of mounting holes which are arranged in a matrix are formed in the first positioning groove at intervals, each row of mounting holes are fixedly penetrated with a graphene strip in an inserting mode, the graphene strips are penetrated on the shell in an up-down staggered mode, a heat conducting mesh plate is arranged on the graphene strips, the heat conducting mesh plate is matched in the first positioning groove, and heat dissipation holes are formed in two sides of the shell respectively.
Further, a plurality of air guide channels are arranged at the top of the shell, and the air guide channels are mutually communicated through the first positioning grooves.
Further, a second positioning groove is formed in the end face of the shell, a liquid cooling soaking plate is arranged in the second positioning groove, the liquid cooling soaking plate comprises a heat absorbing substrate, a heat conducting plate, a condensing plate and a top plate which are sequentially arranged, the heat absorbing substrate is connected with the top plate to form a vacuum sealing cavity, cooling liquid is contained in the vacuum sealing cavity, and a microporous structure which is communicated with the heat conducting plate and the condensing plate is arranged on the heat conducting plate.
Further, the liquid cooling soaking plate is externally provided with a protection plate, the protection plate is provided with vent holes, and the protection plate is matched with the second positioning groove.
Further, the first positioning groove is a square groove, and the air guide channels are respectively arranged between the square groove and the outer edge of the top of the shell along the transverse direction and the longitudinal direction.
Further, a plurality of radiating fins are arranged on the surface of the shell at intervals.
Further, the air guide channels at two ends of the first positioning groove are correspondingly arranged with the mounting holes.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
1. According to the switching power supply with the high-efficiency heat conduction performance, the graphene strips are fixedly inserted into the first positioning groove, the heat conduction mesh plate is arranged on the graphene strips, and on the premise that the strength of the shell is not affected, heat released by a heat source in the switching power supply is quickly transferred to the heat conduction mesh plate through the graphene strips and then released to an external environment, and the graphene strips are protected by the heat conduction mesh plate, so that the heat dissipation performance is good.
2. Through setting up many wind-guiding passageways, the heat on graphene strip and the heat conduction mesh board is taken away fast to outside forced air cooling device of being convenient for.
3. The liquid cooling soaking plate is arranged on the end face of the shell, heat in the shell is partially transferred to the heat absorbing substrate and the heat conducting plate, cooling liquid in the vacuum sealing cavity is evaporated due to heating, hot air rises and is condensed into liquid after contacting with the condensing plate to dissipate heat, the liquid flows onto the heat absorbing substrate through the micropore structure, heat dissipation efficiency is further improved, and meanwhile, the liquid cooling soaking plate is effectively protected by the protection plate.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a perspective view of a switching power supply with efficient heat conduction according to an embodiment of the present invention;
FIG. 2 is a perspective view of a switching power supply with a heat conductive mesh plate removed and having high efficiency heat conductivity according to an embodiment of the present invention;
FIG. 3 is a perspective view of a switching power supply with heat conductive mesh plates and shielding plates removed and having efficient heat conductive properties according to an embodiment of the present invention;
FIG. 4 is a side view of a switching power supply with efficient thermal conductivity according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a half cross-sectional view of a switching power supply with heat conductive mesh plates removed for providing an efficient heat conductive performance according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of a liquid cooling vapor chamber according to an embodiment of the present invention.
Wherein, the reference numerals are as follows:
1. The device comprises a shell, 1a, a first positioning groove, 1b, a mounting hole, 1c, a heat dissipation hole, 1d, an air guide channel, 1e, a second positioning groove, 2, graphene strips, 3, a heat conduction mesh plate, 4, a liquid cooling soaking plate, 41, a heat absorption substrate, 42, a heat conduction plate, 43, a condensation plate, 44, a top plate, 5, a protection plate, 5a and a vent hole.
Detailed Description
The invention will be further described with reference to the drawings and the specific examples.
Example 1
Referring to fig. 1-7, the invention provides a switching power supply with high-efficiency heat conduction performance, which comprises a shell 1, wherein a switching power supply body is arranged in the shell 1, a first positioning groove 1a is arranged at the top of the shell 1, a plurality of mounting holes 1b which are arranged in a matrix are arranged on the first positioning groove 1a at intervals, each row of mounting holes 1b is fixedly penetrated by a graphene strip 2, the graphene strips 2 are penetrated on the shell 1 in an up-down staggered manner, a heat conducting mesh plate 3 is arranged on the graphene strips 2, the heat conducting mesh plate 3 is matched in the first positioning groove 1a, and heat dissipation holes 1c are respectively arranged at two sides of the shell 1.
Through alternate fixed many graphene strips 2 on first constant head tank 1a to install heat conduction mesh board 3 on graphene strip 2, under the prerequisite that does not influence casing 1 intensity, pass through graphene strip 2 with the heat that the heat source released and transmit to heat conduction mesh board 3 fast, and then release to external environment in, and adopt heat conduction mesh board 3 to protect graphene strip 2, heat dispersion is better.
Specifically, the first positioning groove 1a is a square groove, and the air guide channels 1d are respectively arranged between the square groove and the outer edge of the top of the shell 1 along the transverse direction and the longitudinal direction.
Specifically, a plurality of heat dissipation fins are arranged on the surface of the shell 1 at intervals.
Preferably, the top of the housing 1 is provided with a plurality of air guide channels 1d, and the air guide channels 1d are communicated with each other through the first positioning groove 1 a. The external air cooling device is convenient for rapidly taking away the heat on the graphene strips 2 and the heat conducting mesh plates 3.
Specifically, the air guide channels 1d at both ends of the first positioning groove 1a are provided corresponding to the mounting holes 1 b.
Preferably, a second positioning groove 1e is formed in the end face of the shell 1, a liquid cooling soaking plate 4 is installed in the second positioning groove 1e, the liquid cooling soaking plate 4 comprises a heat absorbing substrate 41, a heat conducting plate 42, a condensing plate 43 and a top plate 44 which are sequentially arranged, the heat absorbing substrate 41 is connected with the top plate 44 to form a vacuum sealing cavity, cooling liquid is contained in the vacuum sealing cavity, and a micropore structure which is communicated with each other is formed in the heat conducting plate 42 and the condensing plate 43.
The liquid cooling soaking plate 4 is arranged on the end face of the shell 1, heat in the shell 1 is partially transferred to the heat absorbing substrate 41 and the heat conducting plate 42, cooling liquid in the vacuum sealing cavity is evaporated due to heating, hot air rises to contact with the condensing plate 43 and is cooled and condensed into liquid for heat dissipation, and the liquid flows onto the heat absorbing substrate 41 through the micropore structure, so that the heat dissipation efficiency is further improved.
Specifically, the liquid cooling soaking plate 4 is provided with the protection plate 5, the protection plate 5 is provided with the vent holes 5a, and the protection plate 5 is matched with the second positioning groove 1e to effectively protect the liquid cooling soaking plate 4.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above examples, and all technical solutions belonging to the concept of the present invention belong to the protection scope of the present invention. It should be noted that modifications and adaptations to the present invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.