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CN111787767B - A switching power supply with high efficiency heat conduction performance - Google Patents

A switching power supply with high efficiency heat conduction performance Download PDF

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Publication number
CN111787767B
CN111787767B CN202010666345.6A CN202010666345A CN111787767B CN 111787767 B CN111787767 B CN 111787767B CN 202010666345 A CN202010666345 A CN 202010666345A CN 111787767 B CN111787767 B CN 111787767B
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Prior art keywords
heat
shell
power supply
positioning groove
switching power
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CN202010666345.6A
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Chinese (zh)
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CN111787767A (en
Inventor
吴早荣
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Zhangjiagang Xinfeng Electromechanical Co ltd
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Zhangjiagang Xinfeng Electromechanical Co ltd
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Priority to CN202010666345.6A priority Critical patent/CN111787767B/en
Publication of CN111787767A publication Critical patent/CN111787767A/en
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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00Details of apparatus for conversion
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00Casings, cabinets or drawers for electric apparatus
    • H05K5/02Details
    • H05K5/0247Electrical details of casings, e.g. terminals, passages for cables or wiring
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2029Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20309Evaporators
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2029Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20318Condensers
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2039Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
    • H05K7/20509Multiple-component heat spreaders; Multi-component heat-conducting support plates; Multi-component non-closed heat-conducting structures

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

本发明公开了具有高效热传导性能的开关电源,包括壳体,壳体内设有开关电源本体,壳体的顶部设有第一定位槽,第一定位槽上间隔设有多个呈矩阵排列的安装孔,每排安装孔上均穿插固定有一根石墨烯条,石墨烯条上下交错穿设于壳体上,石墨烯条上安装有导热网孔板,导热网孔板配合设于第一定位槽内,壳体的两侧分别设有散热孔。通过在第一定位槽上穿插固定多根石墨烯条,并在石墨烯条上安装导热网孔板,在不影响壳体强度的前提下,将开关电源内热源释放的热量通过石墨烯条快速传递至导热网孔板,进而释放到外部环境中,并采用导热网孔板对石墨烯条进行防护,散热性能较好。

The present invention discloses a switching power supply with high-efficiency heat conduction performance, including a shell, a switching power supply body is arranged in the shell, a first positioning groove is arranged on the top of the shell, a plurality of mounting holes arranged in a matrix are arranged at intervals on the first positioning groove, a graphene strip is inserted and fixed on each row of mounting holes, the graphene strips are staggered and inserted on the shell, a heat-conducting mesh plate is installed on the graphene strips, the heat-conducting mesh plate is matched and arranged in the first positioning groove, and heat dissipation holes are respectively arranged on both sides of the shell. By inserting and fixing a plurality of graphene strips on the first positioning groove, and installing the heat-conducting mesh plate on the graphene strips, the heat released by the heat source in the switching power supply is quickly transferred to the heat-conducting mesh plate through the graphene strips without affecting the strength of the shell, and then released to the external environment, and the heat-conducting mesh plate is used to protect the graphene strips, so that the heat dissipation performance is good.

Description

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.

Claims (7)

1.一种具有高效热传导性能的开关电源,包括壳体(1),所述壳体(1)内设有开关电源本体,其特征在于:所述壳体(1)的顶部设有第一定位槽(1a),所述第一定位槽(1a)上间隔设有多个呈矩阵排列的安装孔(1b),每排所述安装孔(1b)上均穿插固定有一根石墨烯条(2),所述石墨烯条(2)上下交错穿设于壳体(1)上,所述石墨烯条(2)上安装有导热网孔板(3),所述导热网孔板(3)配合设于第一定位槽(1a)内,所述壳体(1)的两侧分别设有散热孔(1c)。1. A switching power supply with high-efficiency heat conduction performance, comprising a shell (1), wherein a switching power supply body is arranged in the shell (1), characterized in that: a first positioning groove (1a) is arranged on the top of the shell (1), and a plurality of mounting holes (1b) arranged in a matrix are arranged at intervals on the first positioning groove (1a), and a graphene strip (2) is inserted and fixed on each row of the mounting holes (1b), and the graphene strips (2) are staggered and arranged on the shell (1) up and down, and a heat-conducting mesh plate (3) is installed on the graphene strip (2), and the heat-conducting mesh plate (3) is arranged in the first positioning groove (1a), and heat dissipation holes (1c) are respectively arranged on both sides of the shell (1). 2.如权利要求1所述的具有高效热传导性能的开关电源,其特征在于:所述壳体(1)的顶部设有多条导风通道(1d),所述导风通道(1d)通过第一定位槽(1a)相互连通。2. The switching power supply with high-efficiency heat conduction performance as described in claim 1 is characterized in that: a plurality of air guide channels (1d) are provided on the top of the shell (1), and the air guide channels (1d) are interconnected through the first positioning groove (1a). 3.如权利要求1或2所述的具有高效热传导性能的开关电源,其特征在于:所述壳体(1)的端面上设有第二定位槽(1e),所述第二定位槽(1e)内安装有液冷均热板(4),所述液冷均热板(4)包括依次设置的吸热基板(41)、导热板(42)、冷凝板(43)及顶板(44),所述吸热基板(41)与顶板(44)连接以形成真空密封腔,所述真空密封腔内容置有冷却液,所述导热板(42)和冷凝板(43)上设有相连通的微孔结构。3. A switching power supply with high-efficiency heat conduction performance as described in claim 1 or 2, characterized in that: a second positioning groove (1e) is provided on the end surface of the shell (1), and a liquid-cooled heat spreader (4) is installed in the second positioning groove (1e), and the liquid-cooled heat spreader (4) includes a heat-absorbing substrate (41), a heat-conducting plate (42), a condensing plate (43) and a top plate (44) arranged in sequence, and the heat-absorbing substrate (41) is connected to the top plate (44) to form a vacuum sealed cavity, and the vacuum sealed cavity is filled with cooling liquid, and the heat-conducting plate (42) and the condensing plate (43) are provided with interconnected microporous structures. 4.如权利要求3所述的具有高效热传导性能的开关电源,其特征在于:所述液冷均热板(4)外设有防护板(5),所述防护板(5)上设有通气孔(5a),且所述防护板(5)配合设于第二定位槽(1e)上。4. The switching power supply with high-efficiency heat conduction performance as described in claim 3 is characterized in that: the liquid-cooled heat sink (4) is provided with a protective plate (5) outside, the protective plate (5) is provided with a vent hole (5a), and the protective plate (5) is cooperated with and arranged on the second positioning groove (1e). 5.如权利要求2所述的具有高效热传导性能的开关电源,其特征在于:所述第一定位槽(1a)为方形槽,所述导风通道(1d)分别沿横向及纵向设置于方形槽与壳体(1)顶部的外边缘之间。5. The switching power supply with high-efficiency heat conduction performance as described in claim 2 is characterized in that: the first positioning groove (1a) is a square groove, and the air guide channel (1d) is arranged between the square groove and the outer edge of the top of the shell (1) in the horizontal and vertical directions respectively. 6.如权利要求1所述的具有高效热传导性能的开关电源,其特征在于:所述壳体(1)的表面上设有多个间隔设置的散热片。6. The switching power supply with high-efficiency heat conduction performance according to claim 1, characterized in that a plurality of heat sinks arranged at intervals are provided on the surface of the housing (1). 7.如权利要求2所述的具有高效热传导性能的开关电源,其特征在于:所述第一定位槽(1a)两端的导风通道(1d)与安装孔(1b)对应设置。7. The switching power supply with high-efficiency heat conduction performance according to claim 2, characterized in that: the air guide channels (1d) at both ends of the first positioning groove (1a) are arranged corresponding to the mounting holes (1b).
CN202010666345.6A 2020-07-10 2020-07-10 A switching power supply with high efficiency heat conduction performance Active CN111787767B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203554261U (en) * 2013-10-16 2014-04-16 常州市武进红光无线电有限公司 Switch power supply housing
CN109982547A (en) * 2017-12-28 2019-07-05 天津市向华生产力促进有限公司 A kind of communication apparatus radiating device
CN209420201U (en) * 2018-10-22 2019-09-20 深圳市晟达真空钎焊技术有限公司 A kind of compound temperature-uniforming plate of hot copper aluminium microflute group of new superconductive
CN212519804U (en) * 2020-07-10 2021-02-09 张家港鑫峰机电有限公司 Switching power supply with high-efficient heat conduction performance

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Publication number Priority date Publication date Assignee Title
EP2992829B1 (en) * 2014-09-02 2018-06-20 Esaote S.p.A. Ultrasound probe with optimized thermal management
CN208142164U (en) * 2018-04-24 2018-11-23 创隆科技有限公司 Graphene cooling structure, power supply, adapter and charger
CN110992663A (en) * 2019-11-26 2020-04-10 广州朗歌信息技术有限公司 Network controller

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203554261U (en) * 2013-10-16 2014-04-16 常州市武进红光无线电有限公司 Switch power supply housing
CN109982547A (en) * 2017-12-28 2019-07-05 天津市向华生产力促进有限公司 A kind of communication apparatus radiating device
CN209420201U (en) * 2018-10-22 2019-09-20 深圳市晟达真空钎焊技术有限公司 A kind of compound temperature-uniforming plate of hot copper aluminium microflute group of new superconductive
CN212519804U (en) * 2020-07-10 2021-02-09 张家港鑫峰机电有限公司 Switching power supply with high-efficient heat conduction performance

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