CN110365194A - A kind of Switching Power Supply with cooling, dust preventing - Google Patents

A kind of Switching Power Supply with cooling, dust preventing Download PDF

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Publication number
CN110365194A
CN110365194A CN201910739485.9A CN201910739485A CN110365194A CN 110365194 A CN110365194 A CN 110365194A CN 201910739485 A CN201910739485 A CN 201910739485A CN 110365194 A CN110365194 A CN 110365194A
Authority
CN
China
Prior art keywords
power supply
switching power
radiating shell
cooling
layer
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910739485.9A
Other languages
Chinese (zh)
Inventor
岑磊
岑玲
池玉东
王霞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEFEI TONGYONG POWER EQUIPMENT CO Ltd
Original Assignee
HEFEI TONGYONG POWER EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by HEFEI TONGYONG POWER EQUIPMENT CO Ltd filed Critical HEFEI TONGYONG POWER EQUIPMENT CO Ltd
Priority to CN201910739485.9A priority Critical patent/CN110365194A/en
Publication of CN110365194A publication Critical patent/CN110365194A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/20Modifications to facilitate cooling, ventilating, or heating
    • H05K7/2089Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20909Forced ventilation, e.g. on heat dissipaters coupled to components
    • 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
    • H05K7/2089Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
    • H05K7/20936Liquid coolant with phase change

Abstract

The invention discloses a kind of Switching Power Supplies with cooling, dust preventing, are related to switch power technology field.The present invention includes radiating shell and Switching Power Supply ontology;A supporting clapboard that radiating shell is divided into upper layer cavity and lower layer's cavity is equipped in radiating shell;One first water absorption layer is equipped with above supporting clapboard;Lower layer's cavity is provided with cooling fluid;Switching Power Supply body surface is sealing structure;Switching Power Supply ontology is mounted in the upper chamber body of radiating shell, and radiating shell is extended at both ends;Switching Power Supply ontology is located at the intracorporal left and right sides of radiation shell and top is coated with the second water absorption layer;The both ends of second water absorption layer extend into the cooling fluid of lower layer's cavity of radiating shell;Wherein, the outer top of radiating shell is additionally provided with cooling piece.The present invention can quickly cool down to Switching Power Supply by the double action of cooling fluid and cooling piece, and enter inside Switching Power Supply because the surface of Switching Power Supply ontology can be avoided dust for sealing structure.

Description

A kind of Switching Power Supply with cooling, dust preventing
Technical field
The invention belongs to switch power technology fields, more particularly to a kind of Switching Power Supply with cooling, dust preventing.
Background technique
Switched-mode power supply (Switch Mode Power Supply, abbreviation SMPS), also known as exchange type power, switch become Parallel operation is a kind of high frequency device for converting electric energy, is one kind of power supply unit.
Switching Power Supply generally requires to work long hours, and such electronic component can generate larger heat, if these heats It cannot fast and effeciently exhaust, the work of Switching Power Supply can be seriously affected, also be easy to make each electronic component aging and shorten out The service life in powered-down source, in order to ensure Switching Power Supply using safe, it will usually in Switching Power Supply be arranged heat release hole and Radiating electric fan takes away the heat of Switching Power Supply generation by radiating electric fan and heat release hole, but this radiating mode is lacked there are following Point: (1) heat dissipation is slow, cannot quickly cool down to Switching Power Supply;(2) heat release hole, dust are directly opened up in Switching Power Supply The inside for being easy to enter Switching Power Supply out of heat release hole leads to electronic component superficial dust, does not clear up dust for a long time, Will cause Switching Power Supply is unable to normal use.
Summary of the invention
The purpose of the present invention is to provide a kind of Switching Power Supply with cooling, dust preventing, by by Switching Power Supply body surface It is designed to sealing structure, is located at the intracorporal left and right sides of radiation shell in Switching Power Supply ontology and top plate coats water absorption layer, inhale The both ends of water layer are protruded into the intracorporal cooling fluid of radiation shell, so that cooling fluid is wrapped in Switching Power Supply body surface using core sucting action It radiates to Switching Power Supply, is radiated, can be reached quick by being mounted on the cooling piece further progress at the top of radiating shell To the effect that Switching Power Supply cools down, solves existing setting heat release hole and radiating electric fan in Switching Power Supply, pass through heat dissipation The heat dissipation that electric fan and heat release hole take away the heat of Switching Power Supply generation is slow, cannot quickly cool down to Switching Power Supply, and ash The problem of easy inside that Switching Power Supply is entered out of heat release hole of dirt leads to electronic component superficial dust.
In order to solve the above technical problems, the present invention is achieved by the following technical solutions:
The present invention is a kind of Switching Power Supply with cooling, dust preventing, including radiating shell and Switching Power Supply ontology;
A supporting clapboard is equipped in the radiating shell;Radiating shell is divided into upper layer cavity and lower layer by the supporting clapboard Cavity;Several limbers are evenly equipped on the supporting clapboard;One first water absorption layer is equipped with above the supporting clapboard;It is described Lower layer's cavity is provided with cooling fluid;
The Switching Power Supply body surface is sealing structure;The Switching Power Supply ontology is mounted on the upper chamber of radiating shell In vivo, and radiating shell is extended at both ends;The Switching Power Supply ontology is located at the intracorporal left and right sides of radiation shell and top is wrapped It is covered with the second water absorption layer;The both ends of second water absorption layer extend into the cooling fluid of lower layer's cavity of radiating shell;
Wherein, the outer top of the radiating shell is additionally provided with cooling piece;The cold end of the cooling piece is attached to radiating shell Outer top surface.
Further, a cover is covered with above the cooling piece;The edge of the cover and radiating shell are detachable Connection;Several ventilation holes are offered on all sides of the cover, and a fan installing port is offered at the top of the cover;It is described One heat emission fan is installed in fan installing port.
Further, a thermal grease layer is equipped between the cold end of the cooling piece and the outer top surface of radiating shell.
Further, the radiating shell material is aluminium;The inner wall of the supporting clapboard and radiating shell passes through welding Mode is fixedly connected.
Further, first water absorption layer, the second water absorption layer are spongy layer or nonwoven layer.
Further, the edge of the cover is to being externally provided with flange;Several mounting holes are uniformly provided on the flange;Institute It states cover and is mounted on radiating shell by screw across mounting hole.
Further, the side of the radiating shell is equipped with a power supply, and the power supply is heat emission fan, cooling piece Electric energy is provided.
Further, second water absorption layer, offer on supporting clapboard passed through for the both ends of the second water absorption layer it is logical Hole.
The invention has the following advantages:
1, the present invention can quickly cool down to Switching Power Supply by the double action of cooling fluid and cooling piece, and because The surface of Switching Power Supply ontology can be avoided dust for sealing structure and enter inside Switching Power Supply.
2, by the way that cover is arranged in the top of cooling piece, heat emission fan is arranged on cover to be further speeded up the present invention The cooling of Switching Power Supply.
Certainly, it implements any of the products of the present invention and does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will be described below to embodiment required Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for ability For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached Figure.
Fig. 1 is the structural schematic diagram for the Switching Power Supply that the present invention has cooling, dust preventing;
Fig. 2 is the partial sectional view for the Switching Power Supply that the present invention has cooling, dust preventing;
Fig. 3 is the mounting structure schematic diagram of radiating shell and cover;
Fig. 4 is the mounting structure schematic diagram of radiating shell and cover, cooling piece, supporting clapboard;
Fig. 5 is the structural schematic diagram of Switching Power Supply ontology;
In attached drawing, parts list represented by the reference numerals are as follows:
1- radiating shell, 2- Switching Power Supply ontology, 3- supporting clapboard, the limbers 301-, the first water absorption layer of 4-, 5- second inhale Water layer, 6- cooling piece, 7- cover, 701- ventilation hole, 8- heat emission fan, 9- flange, 10- screw, 11- power supply, 12- through-hole.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " inner wall ", " top ", " surface ", " bottom surface ", " one is opposite Indicating positions or the positional relationship such as side ", "left", "right", "inner", " both ends " are merely for convenience of the description present invention and simplify Description, rather than the component or element of indication or suggestion meaning must have a particular orientation, and are constructed and grasped with specific orientation Make, therefore is not considered as limiting the invention.
It please refers to shown in Fig. 1-5, the present invention is a kind of Switching Power Supply with cooling, dust preventing, including radiating shell 1 and is opened Close power supply body 2;
Radiating shell 1 is horizontal to be equipped with a supporting clapboard 3, specifically, 1 material of radiating shell is aluminium;Supporting clapboard 3 and heat dissipation The inner wall of shell 1 is fixedly connected by welding;Radiating shell 1 is divided into upper layer cavity and lower layer's cavity by supporting clapboard 3; Several limbers 301 are evenly equipped on supporting clapboard 3;The top of supporting clapboard 3 is equipped with one first water absorption layer 4;In lower layer's cavity Equipped with cooling fluid;Wherein, the first water absorption layer 4, the second water absorption layer 5 are spongy layer or nonwoven layer, and distillation may be selected in cooling fluid Water can also be made of following mass fraction formula components: 3-5 parts of glycerine, 1-3 parts of lauric acid amide of ethanol, n-butanol 1- 4 parts, 1-3 parts of ethanedioic acid polyester, 4-5 parts of three oxazolyl, 3-5 parts of ethyl acetate, 7-8 parts of Phenoxyethanol, tert-butylhydroquinone 2-4 parts, 3-4 parts of acetic acid, 3-7 parts of isopropanol, 6-8 parts of dimethyl carbonate.
2 surface of Switching Power Supply ontology is sealing structure;Switching Power Supply ontology 2 is mounted in the upper chamber body of radiating shell 1, And radiating shell 1 is extended at both ends, specifically, the bottom surface of Switching Power Supply ontology 2 is pressed on the first water absorption layer 4, in this way, can try hard to keep The bottom for demonstrate,proving Switching Power Supply ontology 2 is conducive to heat dissipation by cooling fluid package always, and an opposite flank of radiating shell 1 offers logical Hole, the both ends of Switching Power Supply ontology 2 pass through through-hole and are located at outside radiating shell 1, and seal with the junction of through-hole, avoid cooling fluid It evaporate into external environment;As shown in fig.5, Switching Power Supply ontology 2 is located at the left and right sides in radiating shell 1 and top is wrapped It is covered with the second water absorption layer 5;The both ends of second water absorption layer 5 extend into the cooling fluid of lower layer's cavity of radiating shell 1, specifically, The through-hole 12 passed through for the both ends of the second water absorption layer 5 is offered on second water absorption layer 5, supporting clapboard 3, the second water absorption layer 5 Both ends pass through through-hole 12 and protrude into cooling fluid;Using core sucting action, cooling fluid is coated on Switching Power Supply sheet along the second water absorption layer 5 On body 2, when Switching Power Supply ontology 2 works, the heat that internal electronic component work generates is by the heat dissipation on the second water absorption layer 5 Liquid absorbs, and cooling fluid vaporization when the heat dissipation of vaporization encounters the inner wall of radiating shell 1, transfers heat to the liquid again of radiating shell 1 Change, flows down to come back in lower layer's cavity along the inner wall of radiating shell 1 after liquefaction and continue cycling through use;Radiating shell 1 absorbs Temperature is increased in the cold end for transferring heat to cooling piece 6 after heat, and heat is scattered in air by the hot end of cooling piece 6, energy The fast cooling for enough realizing Switching Power Supply, improves the service life of electrical component inside Switching Power Supply;It can be avoided ash again simultaneously Dirt enters the inside of Switching Power Supply.
Wherein, the outer top of radiating shell 1 is additionally provided with cooling piece 6;The cold end of cooling piece 6 is attached to the outer top of radiating shell 1 Face.
As shown in fig.3, wherein, the top of cooling piece 6 is covered with a cover 7;The edge and radiating shell 1 of cover 7 can Dismantling connection, specifically, the edge of cover 7 is to being externally provided with flange 9;Several mounting holes are uniformly provided on flange 9;Cover 7 is logical Screw 10 is crossed to be mounted on radiating shell 1 across mounting hole.Several ventilation holes 701, cover 7 are offered on all sides of cover 7 Top offer a fan installing port;One heat emission fan 8 is installed in fan installing port.
Wherein, a thermal grease layer is equipped between the cold end of cooling piece 6 and the outer top surface of radiating shell 1.
Wherein, the side of radiating shell 1 is fixedly installed with a power supply 11, and power supply 11 is heat emission fan 8, cooling piece 6 provide electric energy.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one implementation of the invention In example or example.In the present specification, schematic expression of the above terms may not refer to the same embodiment or example. Moreover, particular features, structures, materials, or characteristics described can be in any one or more of the embodiments or examples to close Suitable mode combines.
Present invention disclosed above preferred embodiment is only intended to help to illustrate the present invention.There is no detailed for preferred embodiment All details are described, also do not limit the specific embodiment that the invention is only.Obviously, according to the content of this specification, can make Many modifications and variations.These embodiments are chosen and specifically described to this specification, is original in order to better explain the present invention Reason and practical application, so that skilled artisan be enable to better understand and utilize the present invention.The present invention is only authorized The limitation of sharp claim and its full scope and equivalent.

Claims (8)

1. a kind of Switching Power Supply with cooling, dust preventing, including radiating shell (1) and Switching Power Supply ontology (2);It is characterized in that,
A supporting clapboard (3) are equipped in the radiating shell (1);Radiating shell (1) is divided into upper chamber by the supporting clapboard (3) Body and lower layer's cavity;Several limbers (301) are evenly equipped on the supporting clapboard (3);The top of the supporting clapboard (3) is laid with There is one first water absorption layer (4);Lower layer's cavity is provided with cooling fluid;
Switching Power Supply ontology (2) surface is sealing structure;The Switching Power Supply ontology (2) is mounted on radiating shell (1) In upper chamber body, and radiating shell (1) is extended at both ends;The Switching Power Supply ontology (2) is located at the left and right in radiating shell (1) Two sides and top are coated with the second water absorption layer (5);The both ends of second water absorption layer (5) extend under radiating shell (1) In the cooling fluid of layer cavity;
Wherein, the outer top of the radiating shell (1) is additionally provided with cooling piece (6);The cold end of the cooling piece (6) is attached to radiation shell The outer top surface of body (1).
2. the Switching Power Supply according to claim 1 with cooling, dust preventing, which is characterized in that the cooling piece (6) it is upper Side is covered with a cover (7);The edge of the cover (7) is detachably connected with radiating shell (1);The side of the cover (7) It is offered on face several ventilation holes (701), offers a fan installing port at the top of the cover (7);The fan installing port One heat emission fan (8) are inside installed.
3. the Switching Power Supply according to claim 2 with cooling, dust preventing, which is characterized in that the cooling piece (6) it is cold A thermal grease layer is equipped between end and the outer top surface of radiating shell (1).
4. the Switching Power Supply according to claim 2 with cooling, dust preventing, which is characterized in that radiating shell (1) material Matter is aluminium;The supporting clapboard (3) is fixedly connected by welding with the inner wall of radiating shell (1).
5. the Switching Power Supply according to claim 2 with cooling, dust preventing, which is characterized in that first water absorption layer (4), Second water absorption layer (5) is spongy layer or nonwoven layer.
6. the Switching Power Supply according to claim 2 with cooling, dust preventing, which is characterized in that the edge of the cover (7) To being externally provided with flange (9);Several mounting holes are uniformly provided on the flange (9);The cover (7) is passed through by screw (10) Mounting hole is mounted on radiating shell (1).
7. the Switching Power Supply according to claim 6 with cooling, dust preventing, which is characterized in that the radiating shell (1) Side is equipped with a power supply (11), and the power supply (11) is heat emission fan (8), cooling piece (6) provides electric energy.
8. the Switching Power Supply according to claim 1 with cooling, dust preventing, which is characterized in that second water absorption layer (5), The through-hole (12) passed through for the both ends of the second water absorption layer (5) is offered on supporting clapboard (3).
CN201910739485.9A 2019-08-12 2019-08-12 A kind of Switching Power Supply with cooling, dust preventing Pending CN110365194A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910739485.9A CN110365194A (en) 2019-08-12 2019-08-12 A kind of Switching Power Supply with cooling, dust preventing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910739485.9A CN110365194A (en) 2019-08-12 2019-08-12 A kind of Switching Power Supply with cooling, dust preventing

Publications (1)

Publication Number Publication Date
CN110365194A true CN110365194A (en) 2019-10-22

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Country Status (1)

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CN (1) CN110365194A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106455415A (en) * 2016-08-23 2017-02-22 江苏明强电气有限公司 Power cabinet having multi-mode heat radiation functions
CN206235947U (en) * 2016-09-26 2017-06-09 郑州城市职业学院 A kind of high-efficient heat-dissipating computer host box
CN107979268A (en) * 2017-12-29 2018-05-01 石狮市新卯自动化设备有限公司 A kind of high-efficiency radiator applied on frequency converter
CN207665415U (en) * 2018-01-16 2018-07-27 深圳市伊雷德科技有限公司 A kind of high efficiency and heat radiation mechanism of Vehicular charger
CN208581156U (en) * 2018-07-13 2019-03-05 天津罗孚科技股份有限公司 A kind of pump variable frequency device
CN109803519A (en) * 2019-03-01 2019-05-24 深圳市第一卫电子有限公司 A kind of mobile terminal radiator

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106455415A (en) * 2016-08-23 2017-02-22 江苏明强电气有限公司 Power cabinet having multi-mode heat radiation functions
CN206235947U (en) * 2016-09-26 2017-06-09 郑州城市职业学院 A kind of high-efficient heat-dissipating computer host box
CN107979268A (en) * 2017-12-29 2018-05-01 石狮市新卯自动化设备有限公司 A kind of high-efficiency radiator applied on frequency converter
CN207665415U (en) * 2018-01-16 2018-07-27 深圳市伊雷德科技有限公司 A kind of high efficiency and heat radiation mechanism of Vehicular charger
CN208581156U (en) * 2018-07-13 2019-03-05 天津罗孚科技股份有限公司 A kind of pump variable frequency device
CN109803519A (en) * 2019-03-01 2019-05-24 深圳市第一卫电子有限公司 A kind of mobile terminal radiator

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