CN107041108A - Power module with heat sink - Google Patents
Power module with heat sink Download PDFInfo
- Publication number
- CN107041108A CN107041108A CN201710375723.3A CN201710375723A CN107041108A CN 107041108 A CN107041108 A CN 107041108A CN 201710375723 A CN201710375723 A CN 201710375723A CN 107041108 A CN107041108 A CN 107041108A
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- CN
- China
- Prior art keywords
- power module
- blower fan
- plate
- heat sink
- housing
- 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.)
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Links
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
- H05K7/20909—Forced ventilation, e.g. on heat dissipaters coupled to components
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
Power module with heat sink, including casing and the power module being arranged in casing, the casing is detachably connected with the power module, the power module includes housing, cap, blower fan and the arrangements for speed regulation for controlling blower fan, the housing includes foreboard, left plate, right panel, bottom plate and back plate, the cap includes the top plate and side plate being wholely set, the housing is detachably fixed with the cap and is connected, the foreboard is provided with ventilating opening, the blower fan is arranged in the power module, the air-out of the blower fan is towards the foreboard, gap is formed between the blower fan and the left plate and right panel, the blower fan is adjustable speed fan, the arrangements for speed regulation include induction module, being arranged on being used in power module detects temperature in power module, and export induced voltage；Control chip, is coupled to induction module, the operating power of blower fan is controlled according to induced voltage, so as to realize cooling, power savings.
Description
Technical field
The present invention relates to power module, more particularly to a kind of power module with heat sink.
Background technology
Power module is a kind of power supply unit, is characterized in being application specific integrated circuit, digital signal processor, Wei Chu
Manage device, memory, field programmable gate array and other numerals or fictitious load provides power supply.In order that the use of power module
It is more convenient and safe, power module can be installed and used in the housing.
Inline power module component as shown in publication number CN105491825A, it includes the housing of left and right insertion, embedding
The first upper power module on housing and it is connected to the second source module being located on housing on the left of the first power module.
Its housing includes being provided with top plate, bottom plate, front and rear panels, housing on the right side of the limited post for limiting power module position, housing
End face is provided with the capping being hinged on housing, and although the housing secures the position of power module in the housing, but power supply
Module can operationally produce heat, and housing heat-sinking capability is poor.
The content of the invention
It is preferably special with cooling-down effect it is an object of the invention to provide a kind of power module with heat sink
Point.
The present invention above-mentioned purpose technical scheme is that：
Power module with heat sink, including casing and the power module being arranged in casing, the casing and the electricity
Source module is detachably connected, and the power module includes housing, cap, blower fan and the arrangements for speed regulation for controlling blower fan, the shell
Body includes foreboard, left plate, right panel, bottom plate and back plate, and the cap includes the top plate and side plate that are wholely set, the housing with
The cap is detachably fixed connection, and the foreboard is provided with ventilating opening, and the blower fan is arranged in the power module, described
The air-out of blower fan forms gap towards the foreboard between the blower fan and the left plate and right panel, the blower fan is speed-regulating wind
Machine, the arrangements for speed regulation include
Induction module, being arranged on being used in power module detects temperature in power module, and exports induced voltage；
Control chip, is coupled to induction module, and the operating power of blower fan is controlled according to induced voltage.
By using above-mentioned technical proposal, the setting of housing and cap makes power module basically form a closed space,
And the air outlet of blower fan is towards foreboard, blower fan is carried out exhausting to power module inside, internal high temperature air is extracted out,
Flowed into out of gap in power module, form cross-ventilation, can so prevent the dust accretions in the external world from existing to a certain extent
In power module, reduce dust and be covered on the component in power module, because can be in power module including dust accretions
The radiating of component produce influence, and the blower fan is adopted as adjustable speed fan, and the temperature of inside is detected by arrangements for speed regulation,
The operating power of blower fan is adjusted according to Current Temperatures, on the one hand the function with economize on electricity, blower fan is all located without startup every time
In full load condition, another aspect blower fan can operationally produce vibration, in low-power operation, with certain Jing Yin effect
Really.
Further, the induction module includes thermo-sensitive resistor, and the thermo-sensitive resistor is arranged on any in power module
Position.
By using above-mentioned technical proposal, the setting of thermo-sensitive resistor has cost low, and Detection results are good, and be easily achieved
Feature.
Further, the control chip includes 555 control chips, resistance, determines frequency electric capacity and decoupling capacitor.
By using above-mentioned technical proposal, coordinated using the resistance and thermo-sensitive resistor of 555 control chips, to realize that control is defeated
Go out the effect of power.
Further, the bottom plate is provided with lower window corresponding to blower fan position, and the lower window is installed with solid with blower fan
Surely the fixed plate connected, the top plate is provided with window corresponding to blower fan position, and the upper window is provided with limiting plate.
By using above-mentioned technical proposal, the setting of upper window and lower window is easily installed and dismantled blower fan, and passes through
The setting of fixed plate reduces contact of the blower fan with cap with housing, when motor shakes to secure the fan in power module
When dynamic, only fixed plate is shaken, and produced vibrations are rotated to power supply shell to reduce blower fan by itself relatively simple deformation
The influence of body.
Further, the ventilating opening is set to latticed.
By using above-mentioned technical proposal, increase air outlet, make cooling-down effect more preferably.
Further, the upper end fold inward formation fixed strip of the foreboard, the fixed strip passes through spiral shell with the top plate
Tether and connect.
By using above-mentioned technical proposal, the stability that increase overall structure is fixed.
Further, the left plate is provided with a breach positioned at the position of blower fan, and the bottom plate convexes to form limited block, institute
Limited block is stated to be arranged on the bottom plate of gap position, and close to one end of left plate, the side plate is convexed to form and the limit
The L-shaped turnover block of position block clamping.
By using above-mentioned technical proposal, the setting of limited block and breach is spacing solid by cap and housing in the way of clamping
It is scheduled on together.
Further, the one end of the side plate away from foreboard is provided with limiting plate.
By using above-mentioned technical proposal, on the one hand the setting of limiting plate plays positioning action, on the other hand forms one and walks
Wind gap, so as to play cooling-down effect.
In summary, the invention has the advantages that：The setting of housing and cap makes power module basically form one
Closed space, and blower fan air outlet towards foreboard, blower fan is carried out exhausting to power module inside, by internal high temperature
Air is extracted out, is being flowed into out of gap in power module, is being formed cross-ventilation, the external world can be so prevented to a certain extent
Dust accretions reduce dust and are covered on the component in power module, because can be right including dust accretions in power module
The radiating of component in power module produces influence, and the blower fan is adopted as adjustable speed fan, is detected by arrangements for speed regulation
Internal temperature, the operating power of blower fan is adjusted according to Current Temperatures, on the one hand the function with economize on electricity, makes blower fan without every
Secondary start all in full load condition, another aspect blower fan can operationally produce vibration, in low-power operation, with one
Fixed muting function.
Brief description of the drawings
Fig. 1 is power module mounting shell overall structure diagram；
Fig. 2 is shell structure schematic diagram；
Fig. 3 is housing plug switch configuration schematic diagram；
Fig. 4 is shell cover structure schematic diagram；
Fig. 5 is blower fan and the scheme of installation of socket in the housing；
Fig. 6 is power module and casing mounting structure schematic diagram；
Fig. 7 is arrangements for speed regulation connection circuit figure.
In figure, 1, housing；11st, foreboard；111st, socket port；112nd, fixed strip；113rd, shell fragment；114th, handle；115th, screw thread
Through hole；116th, fixture block；12nd, left plate；13rd, right panel；131st, limited mouth；14th, bottom plate；141st, internal thread cylinder；142nd, lower window；
143rd, fixed plate；144th, limited block；15th, the first fixing screwed hole；16th, back plate；2nd, cap；21st, top plate；211st, mounting bar；
212nd, upper window；213rd, postive stop baffle；22nd, side plate；221st, L-shaped turnover block；222nd, limiting plate；23rd, the second fixing screwed hole；3、
Blower fan；4th, socket；5th, cabinet；51st, neck；6th, thermo-sensitive resistor.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.Wherein identical parts identical reference
Represent.It should be noted that below in description the word "front", "rear", "left", "right", the "up" and "down" that use refer to it is attached
Direction in figure, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometric center
Direction.
Referring to Fig. 1 and Fig. 2, a kind of power module mounting shell, it includes housing 1 and cap 2.Wherein housing 1 includes foreboard
11st, left plate 12, right panel 13, bottom plate 14 and back plate 16, are provided with some first fixing screwed holes 15, are used for and cap thereon
2 complete fixing assembling.Some internal thread cylinders 141 are provided with bottom plate 14, for fixing component.The lower right of foreboard 11 is provided with
Socket port 111, to limit the position of socket 4, specific installation situation is shown in Fig. 5；The remainder of foreboard 11 is set to latticed, increasing
Strong gas permeability, to strengthen radiating;The upper end of foreboard 11 and right-hand member fold inward formation fixed strip 112, are again provided with the thereon
One fixing screwed hole 15, for completion and the assembling and fixation of cap and right panel 13.
See Fig. 4, it is downward that cap 2 includes one side away from side plate 22 on the top plate 21 and side plate 22 being wholely set, top plate 21
It is bent to form on mounting bar 211, top plate 21, mounting bar 211 and side plate 22 and is provided with some second fixing screwed holes 23, second consolidates
Determine the position of screwed hole 23 to correspond with the position of the first fixing screwed hole 15 on housing 1, making can between housing 1 and cap 2
To be interfixed by way of being screwed into bolt into screwed hole.Fixing screwed hole is counter sink, to keep assembling back casing
Surface it is smooth.The front end of side plate 22 of cap is additionally provided with the limiting plate 222 of turnover, is limited together with three sides of socket port 111
Determine the position of socket 4.
Referring to Fig. 2 and Fig. 4, limit assembly is provided between housing 1 and cap 2, it includes being arranged on spacing on bottom plate 14
Block 144 and the L-shaped turnover block 221 being arranged on side plate 22, when housing and cap are assembled, housing 1 and cap 2 are misplaced card
Button, cap 2 is slid towards the direction of foreboard 11 to be caught in limited block 144 in the breach of L-shaped turnover block 221, to reach limit
The purpose of position, specific mated condition is shown in partial enlarged drawing part in Fig. 1.
Referring to Fig. 2 and Fig. 4, fan fixing device is additionally provided with housing 1 and cap 2, it includes being located at upper on top plate 21
Window 212 and the lower window 142 being located on bottom plate 14, up and down window can facilitate the installation of blower fan 3, when blower fan 3 is installed, understand with
Left plate 12 and right panel 13 are formed with certain gap, facilitate air flow, prevent inner space from producing larger negative pressure.On wherein
Both sides are turned over downwards to form four postive stop baffles 213 altogether before and after window 212, and the position of blower fan upper end, lower window 142 are limited with this
Front flips up two fixed plates 143, and fixed plate 143 is set to pentagon as shown, to make not influence blower fan work
Blower fan lower end is bolted with fixed plate 143, and the center of fixed plate 143, which is provided with through hole, through hole, screw thread, bolt during installation
Directly it can be tightened on through hole, easy installation process, while saving nut.Specific installation site of the blower fan on housing 1
See Fig. 5
See Fig. 3 and Fig. 6, housing 1 is provided with a plug switch, and it includes shell fragment 113 and the handle 114 being fixed on foreboard 11,
Shell fragment 113 is strip, and it has certain elasticity, and flexible deformation is provided with to pull on the one end of shell fragment 113 and right panel 13
Mutual corresponding tapped through hole 115, shell fragment one end is bolted on right panel by being screwed into tapped through hole, and foreboard 11 is close to right
Edges of boards are provided with opening, and the other end of shell fragment 113 stretches out from opening, and shell fragment 113 contacts side with right panel 13 and is provided with the card being welded and fixed
Correspondence position is provided with limited mouth 131 on block 116, right panel 13, and fixture block 116 can be passed from limited mouth 131.Power module will be installed on
On cabinet 5, the neck 51 corresponding with the limited mouth 131 on right panel 13 is offered on cabinet 5, fixture block 116 can be from neck 51
Pass, to complete to fix, pulling shell fragment 113 makes limited block 116 be exited from neck 51 and limited mouth 131, while lift-pull handle
114, so that it may so that power module is exited from cabinet 5.
Specifically installation process is：With reference to Fig. 1 and Fig. 5, power module, blower fan 3 and power module grafting part are passed through into spiral shell
Bolt is arranged on housing 1, and then cap 2 is arranged on housing 1 by bolt again, finally whole power module mounting shell is inserted
Enter in cabinet 5.During work, in the presence of blower fan, wind passes through before and after housing, power module is radiated well, foreboard
Network on 11 enhances permeability, helps to strengthen heat-sinking capability, by pulling the lift-pull handle 114 simultaneously of shell fragment 113,
It can will draw off power module mounting shell.
Shown in reference picture 7, the blower fan 3 of the power module is adjustable speed fan, and the blower fan 3 is controlled by arrangements for speed regulation, this
Knowable to art personnel, the arrangements for speed regulation can be encapsulated in circuit board and be fixed on power module（Not shown in figure）, its
In, arrangements for speed regulation include thermo-sensitive resistor 16 and NE555 chips, and thermo-sensitive resistor 16 can be arranged on any position in power module
Put, if detection power module inner housing on temperature both can, with reference to as described in Figure circuit diagram temperature and resistance 16 be figure in
R1, this circuit is by R1, and R2 resistance ratios determine the pulse width of 3 pin output, and when R1/R2 values are bigger, 3 pin pulse widths are got over
Small, blower fan F1 rotating speed is lower；Conversely, when R1/R2 values are smaller, 3 pin pulse widths are bigger, and blower fan F1 rotating speed is higher, works as R1
When convergence is 0 ohm, rotation speed of fan is maximum.R1 is negative temperature resistance, and when temperature is high, resistance is small, when the temperature is low, and resistance is high.
C1 is determines frequency electric capacity, and C2 is the decoupling capacitor of product, and F1 is adjustable speed blower fan.
So set, power module is basically formed a closed space, and wind by the setting of housing 1 and cap 2
The air outlet of machine 3 makes blower fan 3 carry out exhausting to power module inside towards foreboard 11, and internal high temperature air is extracted out, outside
Air is being flowed into power module out of gap, forms cross-ventilation, the dust in the external world can be so prevented to a certain extent
It is deposited in power module, reduces dust and be covered on the component in power module, because can be to power supply including dust accretions
The radiating of component in module produces influence, and the blower fan 3 is adopted as adjustable speed fan 3, detects interior by arrangements for speed regulation
The temperature in portion, the operating power of blower fan 3 is adjusted according to Current Temperatures, on the one hand the function with economize on electricity, makes blower fan 3 without every
Secondary start all in full load condition, another aspect blower fan 3 can operationally produce vibration, in low-power operation, have
Certain muting function.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (8)
1. the power module with heat sink, including casing and the power module that is arranged in casing, the casing with it is described
Power module is detachably connected, it is characterised in that：The power module includes housing (1), cap (2), blower fan (3) and control
The arrangements for speed regulation of blower fan (3), the housing (1) includes foreboard (11), left plate (12), right panel (13), bottom plate (14) and back plate
(16), the cap (2) includes the top plate (21) and side plate (22) being wholely set, and the housing (1) and the cap (2) are removable
Unload and be fixedly connected, the foreboard (11) is provided with ventilating opening, the blower fan (3) is arranged in the power module, the blower fan
(3) air-out forms gap, institute towards the foreboard (11) between the blower fan (3) and the left plate (12) and right panel (13)
Blower fan (3) is stated for adjustable speed fan, the arrangements for speed regulation include
Induction module, being arranged on being used in power module detects temperature in power module, and exports induced voltage；
Control chip, is coupled to induction module, and the operating power of blower fan (3) is controlled according to induced voltage.
2. the power module according to claim 1 with heat sink, it is characterised in that：The induction module includes temperature
Quick resistance (6), the thermo-sensitive resistor (6) is arranged on the optional position in power module.
3. the power module according to claim 2 with heat sink, it is characterised in that：The control chip includes
555 control chips, resistance, determine frequency electric capacity and decoupling capacitor.
4. the power module according to claim 1 with heat sink, it is characterised in that：The bottom plate (14) corresponds to
Blower fan (3) position is provided with lower window (142), and the lower window (142) is installed with the fixed plate being fixedly connected with blower fan (3)
(143), the top plate (21) is provided with window (212) corresponding to blower fan (3) position, and the upper window (212) sets limited
Position plate (222).
5. the power module according to claim 1 with heat sink, it is characterised in that：The ventilating opening is set to net
Trellis.
6. the power module according to claim 1 with heat sink, it is characterised in that：The upper end of the foreboard (11)
Fold inward formation fixed strip (112), the fixed strip (112) is bolted with the top plate (21).
7. the power module according to claim 1 with heat sink, it is characterised in that：The left plate (12) is located at wind
The position of machine (3) is provided with a breach, and the bottom plate (14) convexes to form limited block (144), and the limited block (144) is arranged on
On the bottom plate (14) of gap position, and close to left plate (12) one end, the side plate (22) convex to form with it is described spacing
The L-shaped turnover block (221) of block (144) clamping.
8. the power module according to claim 1 with heat sink, it is characterised in that：The side plate (22) is away from before
One end of plate (11) is provided with limiting plate (222).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375723.3A CN107041108B (en) | 2017-05-24 | 2017-05-24 | Power module with cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710375723.3A CN107041108B (en) | 2017-05-24 | 2017-05-24 | Power module with cooling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107041108A true CN107041108A (en) | 2017-08-11 |
| CN107041108B CN107041108B (en) | 2019-04-16 |
Family
ID=59540071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710375723.3A Active CN107041108B (en) | 2017-05-24 | 2017-05-24 | Power module with cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107041108B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116583093A (en) * | 2023-07-11 | 2023-08-11 | 西安图为电气技术有限公司 | Power module with fan panel |
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|---|---|---|---|---|
| US6304443B1 (en) * | 2000-07-27 | 2001-10-16 | Shin Jiuh Corp. | Power supply equipped with extractable fan deck |
| CN201528265U (en) * | 2009-09-25 | 2010-07-14 | 深圳市鑫晖源电子有限公司 | High-efficient power device |
| US20110249386A1 (en) * | 2010-04-07 | 2011-10-13 | Super Micro Computer Inc. | Heat-dissipating assembly for server |
| CN102984911A (en) * | 2012-11-23 | 2013-03-20 | 杭州华三通信技术有限公司 | Electronic device module and electronic device |
| CN104076886A (en) * | 2013-03-27 | 2014-10-01 | 广达电脑股份有限公司 | Server cabinet and server device thereof |
| CN104936394A (en) * | 2014-03-21 | 2015-09-23 | 鸿富锦精密工业（深圳）有限公司 | Power supply device |
| CN205693547U (en) * | 2016-06-03 | 2016-11-16 | 北京伟仕天成科技有限公司 | A kind of dust-proof power module |
-
2017
- 2017-05-24 CN CN201710375723.3A patent/CN107041108B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6304443B1 (en) * | 2000-07-27 | 2001-10-16 | Shin Jiuh Corp. | Power supply equipped with extractable fan deck |
| CN201528265U (en) * | 2009-09-25 | 2010-07-14 | 深圳市鑫晖源电子有限公司 | High-efficient power device |
| US20110249386A1 (en) * | 2010-04-07 | 2011-10-13 | Super Micro Computer Inc. | Heat-dissipating assembly for server |
| CN102984911A (en) * | 2012-11-23 | 2013-03-20 | 杭州华三通信技术有限公司 | Electronic device module and electronic device |
| CN104076886A (en) * | 2013-03-27 | 2014-10-01 | 广达电脑股份有限公司 | Server cabinet and server device thereof |
| CN104936394A (en) * | 2014-03-21 | 2015-09-23 | 鸿富锦精密工业（深圳）有限公司 | Power supply device |
| CN205693547U (en) * | 2016-06-03 | 2016-11-16 | 北京伟仕天成科技有限公司 | A kind of dust-proof power module |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116583093A (en) * | 2023-07-11 | 2023-08-11 | 西安图为电气技术有限公司 | Power module with fan panel |
| CN116583093B (en) * | 2023-07-11 | 2023-10-13 | 西安图为电气技术有限公司 | Power module with fan panel |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107041108B (en) | 2019-04-16 |
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