CN108024489A - Wiring board air-cooled radiating device - Google Patents

Wiring board air-cooled radiating device Download PDF

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Publication number
CN108024489A
CN108024489A CN201810019546.XA CN201810019546A CN108024489A CN 108024489 A CN108024489 A CN 108024489A CN 201810019546 A CN201810019546 A CN 201810019546A CN 108024489 A CN108024489 A CN 108024489A
Authority
CN
China
Prior art keywords
heat
wiring board
plate
conducting plate
cabinet
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
CN201810019546.XA
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Chinese (zh)
Inventor
丁雪峰
韦荣杰
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.)
Wuxi Juri Electronic Technology Co Ltd
Original Assignee
Wuxi Juri Electronic Technology 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 Wuxi Juri Electronic Technology Co Ltd filed Critical Wuxi Juri Electronic Technology Co Ltd
Priority to CN201810019546.XA priority Critical patent/CN108024489A/en
Publication of CN108024489A publication Critical patent/CN108024489A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • H05K7/20136Forced ventilation, e.g. by fans
    • 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
    • H05K7/205Heat-dissipating body thermally connected to heat generating element via thermal paths through printed circuit board [PCB]

Abstract

The present invention relates to a kind of radiator, especially wiring board air-cooled radiating device, including cabinet, wind turbine and heat-conducting plate;The inside of the cabinet is equipped with wiring board, and one end of cabinet is equipped with heat dissipation chamber, partition plate is equipped between cabinet and heat dissipation chamber, partition plate is equipped with heat emission hole and jack, heat emission hole and jack connect cabinet with heat dissipation chamber, air inlet and air outlet are additionally provided with heat dissipation chamber, the assembling is on air outlet;The heat-conducting plate includes thermal conductive zone and radiating area, thermal conductive zone and radiating area are overall structure, and the thermal conductive zone is fixed and contacted in the circuit board with high-power heating element, and radiating area is located at the outside of wiring board, and it is located at away from wiring board, radiating area through jack in heat dissipation chamber.The device forms single heat dissipation channel by extending heat-conducting plate, and convenient concentration is air-cooled, and makes the compact-sized of cabinet, and more wiring boards can be installed in the case of same volume, and heat dissipation effect is more preferable, is not easy dust stratification.

Description

Wiring board air-cooled radiating device
Technical field
The present invention relates to a kind of radiator, especially wiring board air-cooled radiating device.
Background technology
With the progress of production technology, the volume of the control babinet of part numerical control device is less and less, just towards lightening Development.Due to reduced space, installation space is limited, and the heat that element produces is assembled and is difficult to radiate, and be easy to cause hot-spot And the problem of damaging, is, it is necessary to be aerated cooling, but the dust in air-flow easily causes element harmful effect, and cause Heat dissipation effect is deteriorated.
As Chinese patent CN105960154A discloses a kind of air-cooled regulating device of wiring board, including fan and fixed seat, The fixed seat is arranged on the top of fan, and a through hole is provided with the fixed seat, one is provided through in the through hole A cross bar, the both ends of the cross bar are respectively arranged with downwardly directed guide sleeve, are provided with the guide sleeve downwardly directed Column, the bottom of the column are provided with fixed plate, and the top air inlet of the fan is provided with filter screen.Pass through above-mentioned side Formula, the air-cooled regulating device of wiring board of the present invention, changes the height of fan using moving up and down for guide sleeve, using solid Reservation moving left and right to adjust the lateral displacement of fan on cross bar so that fan is located at the top of element, carries out air-cooled dissipate Heat, adjusting convenience is good, improves the stability in use of element.
But the device practicality is not strong, regulating device needs larger installation space, is not suitable for compact-sized field Institute, and filter screen causes ventilation quantity to diminish using can also accumulate dust after a period of time, and heat dissipation effect is deteriorated, and causes electronics first Device operation shakiness, while dust can not be avoided to enter on wiring board.
The content of the invention
To solve the above problems, the present invention provides a kind of good heat dissipation effect, heat dissipation is stablized, wiring board is not easy dust stratification, structure Compact wiring board air-cooled radiating device, concrete technical scheme are:
Wiring board air-cooled radiating device, including cabinet, wind turbine and heat-conducting plate;The inside of the cabinet is equipped with wiring board, machine One end of case is equipped with heat dissipation chamber, is equipped with partition plate between cabinet and heat dissipation chamber, and partition plate is equipped with heat emission hole and jack, heat emission hole and inserts Kong Jun connects cabinet with heat dissipation chamber, air inlet and air outlet is additionally provided with heat dissipation chamber, the assembling is on air outlet;Institute Stating heat-conducting plate includes thermal conductive zone and radiating area, and thermal conductive zone and radiating area are overall structure, and the thermal conductive zone is fixed in the circuit board Contacted with high-power heating element, radiating area is located at the outside of wiring board, and is located at away from wiring board, radiating area through jack In heat dissipation chamber.
By using above-mentioned technical proposal, heat dissipation chamber is set in cabinet inside, heat dissipation chamber is independent heat-dissipating space, not shadow Ring wiring board.The radiating area of heat-conducting plate is located in heat dissipation chamber, and the cooling air-flow that wind turbine is formed is not easy without wiring board, wiring board Dust stratification, improves the stability in use and service life of wiring board.
The heat that high-power heating element is sent is transmitted to radiating area, the radiating area of heat-conducting plate by the thermal conductive zone of heat-conducting plate Radiate positioned at heat dissipation chamber, realize and concentrate heat dissipation, each wiring board is not required single wind turbine to radiate, simplifies cabinet inside Radiating layout, make compact-sized, facilitate cabinet inside that more wiring boards are installed, while improve heat dissipation effect.Heat emission hole Cooling air-flow can be formed in cabinet, reduces the temperature of cabinet inside.
Wind turbine accelerates air flow, and inspiration cold air, blows out hot-air.
Preferably, the wiring board in the cabinet is no less than two, and multiple circuit board levelings are laminated or are arranged side by side vertically; The heat-conducting plate quantity is consistent with circuit board quantity.
By using above-mentioned technical proposal, circuit board leveling stacking or vertical be arranged side by side make the indoor radiating area rule of heat dissipation Then arrange, conveniently form cooling air channel, heat dissipation effect and radiating efficiency can be improved.
Preferably, multiple slots are equipped with the cabinet, the both sides of the wiring board are inserted in slot;The air inlet and Air outlet is vertical with the radiating area of heat-conducting plate, and the air-flow of wind turbine is parallel with the radiating area of heat-conducting plate.
By using above-mentioned technical proposal, slot facilitates the installation of wiring board, especially the stacking of multiple circuit board levelings or It is arranged side by side vertically.The air-flow heat Quick diffusing made on radiating area parallel with radiating area that wind turbine is formed falls, and will not make Into the reflux of hot wind, good heat dissipation effect.
Preferably, the heat-conducting plate is composite plate, including conductive base plate and heat-conducting plate no less than one, conductive base plate It is stacked together with heat-conducting plate, heat-conducting work medium is housed between conductive base plate and heat-conducting plate.
By using above-mentioned technical proposal, the receiving that conductive base plate and heat-conducting plate are laminated together to form heat-conducting work medium is empty Between, heat-conducting work medium further improves heat transfer rate.
Preferably, the thermal trough of closing is equipped between the heat-conducting plate and conductive base plate, thermal trough extends from thermal conductive zone To radiating area, heat-conducting work medium is housed in thermal trough;The thermal trough is equipped with one or no less than two, and thermal trough is no less than two When thermal trough rule or irregular distribution.
By using above-mentioned technical proposal, thermal trough is used to accommodate more heat-conducting work mediums.Thermal trough can be according to big work( The position of rate heating element is arranged.
Preferably, the thermal trough includes multiple parallel transverse grooves or cannelure, and the transverse groove or cannelure are envelope The groove closed.
Preferably, the thermal trough is equipped with multiple, thermal trough regular distribution, and adjacent thermal trough is interconnected.
By using above-mentioned technical proposal, thermal trough, which is interconnected, makes heat-conducting work medium form entirety, can realize quick biography Heat.
Preferably, the thermal trough includes multiple transverse grooves and cannelure, and transverse groove is crossed to form overall mutual with cannelure Logical is latticed;Or thermal trough is polygon groove, multiple polygon grooves be interconnected to be formed it is netted or cellular.
By using above-mentioned technical proposal, thermal trough forms latticed, netted or cellular, and structure is beautiful, improves at the same time The capacity of heat-conducting work medium, and all heat-conducting work mediums is linked to be entirety, heat transfer is fast.
Preferably, the thermal trough is to be opened on heat-conducting plate or conductive base plate or heat-conducting plate and conductive base plate Groove;Or thermal trough is protrusion, the accommodation space of heat-conducting work medium is convexed to form, protrusion is located at heat-conducting plate or conductive base plate or heat conduction On top plate and conductive base plate, the raised outside to heat-conducting plate is convex.
By using above-mentioned technical proposal, groove can be processed by milling cutter at the top of heat conduction or in conductive base plate, be added Work cost is higher, is applicable in small lot production.Protrusion is processed by the way of punching press or inflation, and raised processing cost is low, is applicable in Batch production.
Preferably, the conductive base plate and heat-conducting plate are one kind in aluminium sheet, copper coin or stainless steel plate;The aluminium sheet or The surface of copper coin is equipped with anodic oxide coating;The heat-conducting work medium is the mixture of gas, liquid, gas and liquid, phase transformation suppression One kind in material.
By using above-mentioned technical proposal, aluminium sheet, copper coin or stainless steel plate good heat conductivity, using table when aluminium sheet or copper coin Face carries out preservative treatment by anodic oxidation, if spray painting can influence heat dissipation effect.
The heat-conducting work medium of gas can be hydrogen.
The heat-conducting work medium of liquid can be mixing more than one or both of distilled water, ammonia, glycerine, methanol or acetone Thing.
Phase transformation suppresses mixture of the material for solid-state and liquid, into jelly or gel shape.Phase transformation suppresses the liquid in material Part can be the one or more in the multiple materials such as distilled water, ammonia, glycerine, methanol or acetone, and solid portion can be stone Ink.Phase transformation suppress material it is heated when, boiling phenomenon is suppressed, so that efficient heat transfer phenomenon be presented, i.e. the temperature of heat source distant place It is nearby higher than heat source on the contrary;At the same time, generate heat and distal end is passed to from heating end with extraordinary high-speed, and heating end is kept low Temperature state.Phase transformation, which suppresses material, has the characteristics of high heat transfer rate, high heat transfer density, efficient thermal conductivity 6000W/m.K;Heat transfer Density is that actual measurement is 100-1000W/cm2;Uniform temperature is good, can under -20 DEG C of environment using, can realize antigravity heat transfer and horse Saddle type is conducted heat.
Compared with prior art the invention has the advantages that:
Wiring board air-cooled radiating device provided by the invention forms single heat dissipation channel, convenient collection by extending heat-conducting plate In it is air-cooled, and make the compact-sized of cabinet, more wiring boards can be installed in the case of same volume, and heat dissipation effect is more Well, it is not easy dust stratification.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention;
Fig. 2 is schematic cross-sectional view;
Fig. 3 is the structure diagram that heat-conducting plate is equipped with thermal trough;
Fig. 4 is the enlarged partial sectional view of the line A-A along Fig. 3;
Fig. 5 is that heat-conducting plate is equipped with raised structure diagram;
Fig. 6 is the enlarged partial sectional view of the line B-B along Fig. 5.
Embodiment
In conjunction with attached drawing, the invention will be further described.
Embodiment one
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, wiring board air-cooled radiating device, including cabinet 11, wind turbine 19 and heat-conducting plate 2.
Slot 15 is equipped with cabinet 11, the both sides of wiring board 12 are inserted in slot 15;Wiring board 12 is multiple no less than two Wiring board 12 is arranged side by side vertically.One end of cabinet 11 is equipped with heat dissipation chamber 16, and partition plate 14 is equipped between cabinet 11 and heat dissipation chamber 16, Partition plate 14 is equipped with heat emission hole and jack, and cabinet 11 is connected, also set in heat dissipation chamber 16 by heat emission hole and jack with heat dissipation chamber 16 There are air inlet 18 and air outlet 17, wind turbine 19 is installed on air outlet 17.
Heat-conducting plate 2 is housed, heat-conducting plate 2 includes thermal conductive zone 21 and radiating area 22, thermal conductive zone 21 and radiating area on wiring board 12 22 be overall structure, and thermal conductive zone 21 is fixed in assist side 12 and contacted with high-power heating element 13, and radiating area 22 is located at line The outside of road plate 12, and be located at away from wiring board 12, radiating area 22 through jack in heat dissipation chamber 16.Heat-conducting plate 2 and high-power hair Heat-conducting silicone grease is also equipped between hot component 13.Heat-conducting silicone grease reduces 13 skies between heat-conducting plate 2 of high-power fever member device Gap, makes the conduction of heat more smooth, improves heat-conducting effect.
Air inlet 18 and air outlet 17 are vertical with the radiating area 22 of heat-conducting plate 2, the air-flow of wind turbine 19 and dissipating for heat-conducting plate 2 Hot-zone 22 is parallel.
Heat-conducting plate 2 is composite plate, including conductive base plate 32 and heat-conducting plate 31, conductive base plate 32 and heat-conducting plate 31 are laminated Together.The thermal trough of closing is equipped between heat-conducting plate 31 and conductive base plate 32, thermal trough extends to heat dissipation from thermal conductive zone 21 Area 22, thermal trough is interior to be equipped with heat-conducting work medium.Heat-conducting work medium suppresses material for phase transformation.
Thermal trough includes multiple transverse grooves 51 and cannelure 52, and transverse groove 51 is crossed to form overall intercommunication with cannelure 52 It is latticed.Thermal trough is opened on heat-conducting plate 31.
Conductive base plate 32 and heat-conducting plate 31 are aluminium sheet, and surface is equipped with anodic oxide coating.
Embodiment two
As shown in Figure 1, Figure 2, shown in Fig. 5 and Fig. 6, wiring board air-cooled radiating device, including cabinet 11, wind turbine 19 and heat-conducting plate 2.
Slot 15 is equipped with cabinet 11, the both sides of wiring board 12 are inserted in slot 15;Wiring board 12 is multiple no less than two Wiring board 12 is arranged side by side vertically.One end of cabinet 11 is equipped with heat dissipation chamber 16, and partition plate 14 is equipped between cabinet 11 and heat dissipation chamber 16, Partition plate 14 is equipped with heat emission hole and jack, and cabinet 11 is connected, also set in heat dissipation chamber 16 by heat emission hole and jack with heat dissipation chamber 16 There are air inlet 18 and air outlet 17, wind turbine 19 is installed on air outlet 17.
Heat-conducting plate 2 is housed, heat-conducting plate 2 includes thermal conductive zone 21 and radiating area 22, thermal conductive zone 21 and radiating area on wiring board 12 22 be overall structure, and thermal conductive zone 21 is fixed in assist side 12 and contacted with high-power heating element 13, and radiating area 22 is located at line The outside of road plate 12, and be located at away from wiring board 12, radiating area 22 through jack in heat dissipation chamber 16.
Air inlet 18 and air outlet 17 are vertical with the radiating area 22 of heat-conducting plate 2, the air-flow of wind turbine 19 and dissipating for heat-conducting plate 2 Hot-zone 22 is parallel.
Heat-conducting plate 2 is composite plate, including conductive base plate 32 and heat-conducting plate 31, conductive base plate 32 and heat-conducting plate 31 are laminated Together.The thermal trough of closing is equipped between heat-conducting plate 31 and conductive base plate 32, thermal trough extends to heat dissipation from thermal conductive zone 21 Area 22, thermal trough is interior to be equipped with heat-conducting work medium.Heat-conducting work medium suppresses material for phase transformation.
Thermal trough is the protrusion 41 of polygon, and protrusion 41 is convex to the outside of heat-conducting plate 31, and protrusion 41 forms heat-conducting work medium Accommodation space.Multiple raised 41 be interconnected formed it is netted or cellular.
Conductive base plate 32 and heat-conducting plate 31 are aluminium sheet, and surface is equipped with anodic oxide coating.

Claims (10)

1. wiring board air-cooled radiating device, it is characterised in that including cabinet (11), wind turbine (19) and heat-conducting plate (2);The cabinet (11) inside is equipped with wiring board (12), and one end of cabinet (11) is equipped with heat dissipation chamber (16), cabinet (11) and heat dissipation chamber (16) it Between be equipped with partition plate (14), partition plate (14) is equipped with heat emission hole and jack, and heat emission hole and jack are by cabinet (11) and heat dissipation chamber (16) connect, be additionally provided with air inlet (18) and air outlet (17) in heat dissipation chamber (16), the wind turbine (19) is installed on air outlet (17) on;
The heat-conducting plate (2) includes thermal conductive zone (21) and radiating area (22), and thermal conductive zone (21) and radiating area (22) are overall structure, Contacted on the fixed assist side (12) of the thermal conductive zone (21) with high-power heating element (13), radiating area (22) is located at circuit The outside of plate (12), and be located at away from wiring board (12), radiating area (22) through jack in heat dissipation chamber (16).
2. wiring board air-cooled radiating device according to claim 1, it is characterised in that the wiring board in the cabinet (11) (12) two are no less than, multiple wiring board (12) horizontal stackings or is arranged side by side vertically;Heat-conducting plate (2) quantity and wiring board (12) quantity is consistent.
3. wiring board air-cooled radiating device according to claim 2, it is characterised in that be equipped with the cabinet (11) multiple Slot (15), the both sides of the wiring board (12) are inserted in slot (15);The air inlet (18) and air outlet (17) are with leading Vertically, the air-flow of wind turbine (19) is parallel with the radiating area (22) of heat-conducting plate (2) for the radiating area (22) of hot plate (2).
4. wiring board air-cooled radiating device according to claim 1 or 2, it is characterised in that the heat-conducting plate (2) is compound Plate, including conductive base plate (32) and heat-conducting plate (31) no less than one, conductive base plate (32) and heat-conducting plate (31) stacking Together, heat-conducting work medium is housed between conductive base plate (32) and heat-conducting plate (31).
5. wiring board air-cooled radiating device according to claim 4, it is characterised in that the heat-conducting plate (31) and heat conduction The thermal trough of closing is equipped between bottom plate (32), thermal trough extends to radiating area (22) from thermal conductive zone (21), is equipped with thermal trough Heat-conducting work medium;The thermal trough is equipped with one or no less than two, thermal trough rule or irregular when thermal trough is no less than two Distribution.
6. wiring board air-cooled radiating device according to claim 5, it is characterised in that the thermal trough includes multiple parallel Transverse groove (51) or cannelure (52), the transverse groove (51) or cannelure (52) for closing groove.
7. wiring board air-cooled radiating device according to claim 5, it is characterised in that the thermal trough be equipped with it is multiple, lead Heat channel regular distribution, and adjacent thermal trough is interconnected.
8. wiring board air-cooled radiating device according to claim 7, it is characterised in that the thermal trough includes multiple transverse directions Groove (51) and cannelure (52), transverse groove (51) are crossed to form the latticed of overall intercommunication with cannelure (52);Or thermal trough is Polygon groove, multiple polygon grooves be interconnected to be formed it is netted or cellular.
9. according to claim 5 to 8 any one of them wiring board air-cooled radiating device, it is characterised in that the thermal trough is The groove being opened on heat-conducting plate (31) or conductive base plate (32) or heat-conducting plate (31) and conductive base plate (32);Or thermal trough is Raised (41), raised (41) form the accommodation space of heat-conducting work medium, and raised (41) are located at heat-conducting plate (31) or conductive base plate (32) or on heat-conducting plate (31) and conductive base plate (32), the protrusion (41) is convex to the outside of heat-conducting plate (2).
10. wiring board air-cooled radiating device according to claim 4, it is characterised in that the conductive base plate (32) and lead Hot top plate (31) is one kind in aluminium sheet, copper coin or stainless steel plate;The surface of the aluminium sheet or copper coin is equipped with anodic oxide coating;Institute It is one kind in the mixture of gas, liquid, gas and liquid, phase transformation suppression material to state heat-conducting work medium.
CN201810019546.XA 2018-01-09 2018-01-09 Wiring board air-cooled radiating device Pending CN108024489A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810019546.XA CN108024489A (en) 2018-01-09 2018-01-09 Wiring board air-cooled radiating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810019546.XA CN108024489A (en) 2018-01-09 2018-01-09 Wiring board air-cooled radiating device

Publications (1)

Publication Number Publication Date
CN108024489A true CN108024489A (en) 2018-05-11

Family

ID=62072502

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810019546.XA Pending CN108024489A (en) 2018-01-09 2018-01-09 Wiring board air-cooled radiating device

Country Status (1)

Country Link
CN (1) CN108024489A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111538384A (en) * 2020-04-26 2020-08-14 南京安元科技有限公司 High-efficiency heat dissipation Internet of things host integrating safety data acquisition, analysis and early warning

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111538384A (en) * 2020-04-26 2020-08-14 南京安元科技有限公司 High-efficiency heat dissipation Internet of things host integrating safety data acquisition, analysis and early warning

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