CN107332433A - Switching Power Supply heat abstractor - Google Patents
Switching Power Supply heat abstractor Download PDFInfo
- Publication number
- CN107332433A CN107332433A CN201710716533.3A CN201710716533A CN107332433A CN 107332433 A CN107332433 A CN 107332433A CN 201710716533 A CN201710716533 A CN 201710716533A CN 107332433 A CN107332433 A CN 107332433A
- Authority
- CN
- China
- Prior art keywords
- flabellum
- air bag
- power supply
- switching power
- chute
- 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
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS 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
- H02M1/00—Details of apparatus for conversion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
Abstract
The invention discloses a kind of Switching Power Supply heat abstractor, including radiator fan, radiator fan includes fan frame and the stator and rotor that are contained in fan frame, rotor can relative stator rotation, rotor includes wheel hub and some flabellum groups stretched out from wheel hub, flabellum group includes upper flabellum and lower flabellum, upper flabellum and lower fan can overlap, upper flabellum is fixedly connected with wheel hub, lower flabellum can along wheel hub boundary slip, on upper flabellum curved chute is provided with along the direction that rotor is rotated, air bag is provided with chute one end, the sliding block coordinated with slide is installed with lower flabellum, one end of air bag is connected with not running through the chute one end at upper flabellum edge, the other end of air bag is connected with sliding block, the air bag is built with vinegar, vinegar boiling produces gas and struts air bag, air bag promotes sliding block to be slided on chute, upper flabellum and lower flabellum are separated.This programme can solve switch power module heat abstractor in the prior art can not be according to the problem of temperature rise change regulation air quantity.
Description
Technical field
The present invention relates to field of switch power, more particularly to a kind of Switching Power Supply heat abstractor.
Background technology
With the high speed development of Power Electronic Technique, the work of power electronic equipment and people, the relation of life are increasingly close
Cut, and electronic equipment all be unable to do without reliable power supply, and Switching Power Supply is realized comprehensively into the computer power supply eighties, takes the lead in
The power supply for completing computer is regenerated, and various electronics, electric equipment field, programme-controlled exchange are subsequently entered into the Switching Power Supply nineties
Switching Power Supply has all been widely used in machine, communication, electron detection device power supply, control device power supply etc., more promotes switch
Power technology is developed rapidly.
As signal power source module size more does smaller, and modular power does bigger and bigger, and its power device is operationally all
Very big heat can be produced, if these heats disperse not in time, power module internal temperature can be caused to raise rapidly and damage work(
Rate device, and then cause module failure, therefore, set generally between the shell and printed substrate of Switching Power Supply fin or
The heat abstractors such as fan radiate to switch power module.
However, being traditionally arranged to be constant speed currently used for the rotating speed of the fan of radiating, it is impossible to according to temperature rise change regulation air quantity,
The wasting of resources is caused to a certain extent, accordingly, it would be desirable to a kind of temperature adjustment air quantity of fan that can be radiated according to switch power module
Heat abstractor.
The content of the invention
The invention is intended to provide a kind of Switching Power Supply heat abstractor, filled with solving switch power module radiating in the prior art
Putting can not be according to the problem of temperature rise change regulation air quantity.
The base case that the present invention is provided is：Switching Power Supply heat abstractor, including radiator fan, the radiator fan include
Fan frame and the stator and rotor being contained in fan frame, the rotor can relative stator rotation, the rotor includes wheel hub and some
From wheel hub outwards in the flabellum group of divergent shape, in addition to temperature sensor and controller, temperature sensor is used for inductive switch electricity
The temperature of source heater members, controller, controller control radiator fan work are passed to by the temperature signal sensed；
The flabellum group includes upper flabellum and lower flabellum, and the upper flabellum and lower fan can overlap, and upper flabellum is consolidated with wheel hub
Fixed connection, lower flabellum is slidably connected with wheel hub, lower flabellum can along wheel hub boundary slip, rotated along rotor on upper flabellum
Direction is provided with curved chute, and the edge of upper flabellum is run through in chute one end, and the other end of chute does not run through the edge of upper flabellum；
The sliding block for being installed with and coordinating with slide on air bag, lower flabellum is provided with the chute one end for not running through upper flabellum edge,
One end of air bag is connected with not running through the chute one end at upper flabellum edge, and the other end of air bag is connected with sliding block, in the air bag
Equipped with vinegar, vinegar boiling produces gas and struts air bag, and air bag promotes sliding block to be slided on chute, upper flabellum and lower flabellum point
Open.
The operation principle of base case：It can be seen from Switching Power Supply safety temperature standard, the temperature of Switching Power Supply heater members
Degree should be 45 ° ~ 65 °, when more than the temperature, switch power efficiency can be caused to decline, component damage.Switching Power Supply works
When, rise when temperature sensor detects Switching Power Supply heater members temperature, controller control radiator fan is rotated to radiate to it,
Simultaneously because radiator fan just works after power initiation, the startup power of Switching Power Supply is reduced, is effectively reduced because excessively stream is split
The influence that powered-down source is produced.
Because the boiling point of vinegar is relatively low, generally 40 ° ~ 60 °, when Switching Power Supply heater members temperature is more than 40 °, in air bag
Vinegar boiling produce gas and expand air bag, air bag after expansion promotes sliding block to be slided on chute, upper flabellum and lower flabellum
Stagger, because air quantity is directly proportional to fan blade area, flabellum is bigger, and air quantity is bigger, so as to accelerate the radiating of Switching Power Supply, send out simultaneously
The gas that the higher vinegar of thermal device temperature is produced is more, and then the scope that upper flabellum and lower flabellum stagger is bigger, until flabellum group
Two panels flabellum is opened into completely, not only accelerates the radiating of Switching Power Supply, and the increase of flabellum also enhances radiator fan and distributes air quantity
Stability, also reduce the noise of radiator fan.
When the gas that the vinegar in heater members temperature reduction, air bag is produced starts to reduce, air bag is started to shrink at, is connected to
Sliding block on air bag is by a pulling force shunk along air bag, and sliding block is back moved along the chute on upper flabellum, while sliding block
Moved with lower flabellum toward sliding block moving direction, upper flabellum is gradually overlapping with lower flabellum, and flabellum group area diminishes, radiator fan production
Raw air quantity diminishes.
Switching Power Supply is stopped, and radiator fan stops operating, and the gas cooling formation liquid in air bag, air bag shrinks,
Sliding block resets, and flabellum is completely overlapped up and down.
The beneficial effect of base case is：
1st, the starting efficiency of Switching Power Supply can effectively be reduced according to the startup of temperature control radiator fan, and to a certain extent
Realize and start on demand, saved the energy；
2nd, flabellum group can automatically adjust the number of flabellum according to the temperature of Switching Power Supply heater members, because flabellum is more big more,
Air quantity is bigger, so as to accelerate the radiating of Switching Power Supply, effectively controls the overall temperature rise of Switching Power Supply, reduces component
Crash rate, greatly improves the reliability of Switching Power Supply, improves the mean free error time of Switching Power Supply（MTBF）, and fan
The increase of leaf also enhances the stability that radiator fan distributes air quantity, it is ensured that radiating is uniform, reduces the noise of radiator fan.
Further, air bag is detachably connected with upper flabellum and sliding block respectively.Beneficial effect：Because long-time is used, vinegar is deposited
In the possibility being evaporated, design for disassembly is easy to the replacing of air bag, it is ensured that the normal work of Switching Power Supply heat abstractor.
Further, flabellum group has 4 groups.Beneficial effect：Help to increase the stability of radiator fan operation and distribute air quantity
Uniformity.
Further, gap is left between the upper flabellum and lower flabellum.Beneficial effect：The gap left can increase air-flow
Flowing, reduces resistance, while being also effectively increased air quantity.
Further, the gap between the upper flabellum and lower flabellum is 3 ~ 6mm.Beneficial effect：3 ~ 6mm gap is optimal
Gap, it is excessive, the volume of Switching Power Supply is increased, increases cost, it is too small, it is unfavorable for the flowing of air-flow.
Further, the size output pwm signal for the temperature that the controller can also be detected according to temperature sensor, is adjusted in real time
Save rotor speed.Beneficial effect：Can be according to the size of temperature, controller adjusts the PWM control letters of driving radiator fan in real time
Number dutycycle, by pwm control signal control supply voltage dutycycle, the regulation of real-time rotor speed, realization dissipate on demand
Heat, saves the energy.
Brief description of the drawings
Structural representation when Fig. 1 is unexpanded for the air bag of Switching Power Supply heat abstractor embodiment of the present invention；
Fig. 2 is the enlarged drawing of part A in Switching Power Supply heat abstractor embodiment Fig. 1 of the present invention；
Structural representation when Fig. 3 expands for the air bag of Switching Power Supply heat abstractor embodiment of the present invention；
Fig. 4 is the enlarged drawing of part B in Switching Power Supply heat abstractor embodiment Fig. 3 of the present invention.
Embodiment
Below by embodiment, the present invention is further detailed explanation：
Reference in Figure of description includes：Fan frame 1, stator 2, rotor 3, wheel hub 4, flabellum group 5, upper flabellum 6, lower flabellum
7th, chute 8, air bag 9, sliding block 10.
Embodiment is substantially as shown in Figure 1, Figure 2, Figure 3, Figure 4：
Switching Power Supply heat abstractor, including radiator fan, the radiator fan include fan frame 1 and the stator 2 being contained in fan frame 1
And rotor 3, the rotor 3 can relative stator 2 rotate, the rotor 3 include wheel hub 4 and it is some from wheel hub 4 outwards be in divergent shape
Flabellum group 5, in addition to temperature sensor and controller, temperature sensor is used for inductive switch power supply heater members temperature, will
The temperature signal sensed passes to controller, and controller adjusts 3 turns of rotor in real time according to the size output pwm signal of temperature
Speed, the starting efficiency of Switching Power Supply can be effectively reduced according to the startup of temperature control radiator fan, and real to a certain extent
It is now to start on demand, has saved the energy；Wherein controller uses AT89S52 single board computer, and temperature sensor uses DS18B20.
Wherein, in order to increase the stability of radiator fan operation and distribute the uniformity of air quantity, flabellum group 5 is constituted by 4 groups,
And every group of flabellum group 5 includes upper flabellum 6 and lower flabellum 7, the upper flabellum 6 and lower flabellum 7 can overlap, upper flabellum 6 with
Wheel hub 4 is fixedly connected, and lower flabellum 7 is slidably connected with wheel hub 4, lower flabellum 7 can along wheel hub 4 boundary slip, upper flabellum 6 along
The direction that rotor 3 is rotated is provided with curved chute 8, and one end of the chute 8 passes through the edge of upper flabellum 6, chute 8 it is another
The edge of upper flabellum 6 is not run through at end；Fixed peace on air bag 9, lower flabellum 7 is provided with the one end of chute 8 for not running through the upper edge of flabellum 6
Equipped with the sliding block 10 being slidably matched with chute 8, one end of air bag 9 is connected with not running through the one end of chute 8 at the upper edge of flabellum 6, gas
The other end of capsule 9 is connected with sliding block 10, and the air bag 9 produces gas and strut air bag 9 built with vinegar, vinegar boiling, and air bag 9 is pushed away
Movable slider 10 is slided on chute 8, and upper flabellum 6 and lower flabellum 7 are separated.
Because long-time is used, there is the possibility being evaporated in vinegar, for the ease of the replacing of air bag 9, it is ensured that Switching Power Supply dissipates
The normal work of thermal, air bag 9 is used with upper flabellum 7 and sliding block 10 be detachably connected respectively, it is preferred to use Paste button is connected.
Flabellum group 5 can automatically adjust the number of flabellum according to the temperature of Switching Power Supply heater members, because flabellum is more big more
Many, air quantity is bigger, so as to accelerate the radiating of Switching Power Supply, effectively controls the overall temperature rise of Switching Power Supply, reduces first device
The crash rate of part, greatly improves the reliability of Switching Power Supply, improves the mean free error time of Switching Power Supply（MTBF）, and
And the increase of flabellum also enhances the stability that radiator fan distributes air quantity, it is ensured that radiating is uniform, reduces radiator fan
Noise.
In order to increase the flowing of air-flow, reduce resistance, while increasing air quantity, seam is left between upper flabellum 6 and lower flabellum 7
Gap, wherein it is preferred that gap is 3 ~ 6mm, because gap is excessive, increases the volume of Switching Power Supply, increase cost, it is too small then unfavorable
In the flowing of air-flow.
It can be seen from Switching Power Supply safety temperature standard, the temperature of Switching Power Supply heater members should be 45 ° ~ 65 °, when more than
During the temperature, switch power efficiency can be caused to decline, component damage.When Switching Power Supply works, when temperature sensor is detected
Switching Power Supply heater members temperature rises, and controller control radiator fan is rotated to radiate to it, while because radiator fan is in power supply
Just worked after startup, reduce the startup power of Switching Power Supply, effectively reduced because of the influence that excessively stream is produced to Switching Power Supply.
Because the boiling point of vinegar is relatively low, generally 40 ° ~ 60 °, when Switching Power Supply heater members temperature is more than 40 °, air bag 9
Interior vinegar boiling, which produces gas, expands air bag 9, and the air bag 9 after expansion promotes sliding block 10 to be slided on chute 8, upper flabellum 6
Stagger with lower flabellum 7, because air quantity is directly proportional to fan blade area, flabellum is bigger, and air quantity is bigger, so as to accelerate dissipating for Switching Power Supply
Heat, while the gas that the higher vinegar of heater members temperature is produced is more, and then the scope that upper flabellum 6 and lower flabellum 7 stagger is bigger,
Until flabellum group 5 is opened into two panels flabellum completely, not only accelerate the radiating of Switching Power Supply, the increase of flabellum also enhances radiation air
Fan distributes the stability of air quantity, also reduces the noise of radiator fan.
When the gas that the vinegar in heater members temperature reduction, air bag 9 is produced starts to reduce, air bag 9 is started to shrink at, and is connected
Sliding block 10 on air bag 9 is by a pulling force shunk along air bag 9, and sliding block 10 is moved back along the chute 8 on upper flabellum 6 is past
Dynamic, while sliding block 10 is moved with lower flabellum 7 toward the moving direction of sliding block 10, upper flabellum 6 is gradually overlapping with lower flabellum 7, flabellum group 5
Area diminishes, and the air quantity that radiator fan is produced diminishes.
Switching Power Supply is stopped, and radiator fan stops operating, and the gas cooling formation liquid in air bag 9, air bag 9 is received
Contracting, sliding block 10 resets, and flabellum 7 is completely overlapped up and down.
The size output pwm signal for the temperature that controller can also be detected according to temperature sensor, adjusts 3 turns of rotor in real time
Speed.Can be according to the size of temperature, controller adjusts the dutycycle of the pwm control signal of driving radiator fan in real time, passes through PWM
Control signal controls the dutycycle of supply voltage, and the regulation of the real-time rotating speed of rotor 3, realization is radiated on demand, saves the energy.
Above-described is only that the known general knowledge such as concrete structure and characteristic is not made herein in embodiments of the invention, scheme
Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date
Ordinary technical knowledge, can know prior arts all in the field, and with using normal experiment hand before the date
The ability of section, one skilled in the art can improve and implement under the enlightenment that the application is provided with reference to self-ability
This programme, some typical known features or known method should not implement the application as one skilled in the art
Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make
Go out several modifications and improvements, these should also be considered as protection scope of the present invention, these effects implemented all without the influence present invention
Fruit and practical applicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification
Body embodiment etc. records the content that can be used for explaining claim.
Claims (6)
1. Switching Power Supply heat abstractor, including radiator fan, the radiator fan include fan frame and the stator being contained in fan frame
And rotor, the rotor can relative stator rotation, the rotor include wheel hub and it is some from wheel hub outwards be in divergent shape flabellum
Group, it is characterised in that：Also include temperature sensor and controller, temperature sensor is used for the temperature of inductive switch power supply heater members
Degree, controller, controller control radiator fan work are passed to by the temperature signal sensed；
The flabellum group includes upper flabellum and lower flabellum, and the upper flabellum and lower fan can overlap, and upper flabellum is consolidated with wheel hub
Fixed connection, lower flabellum is slidably connected with wheel hub, lower flabellum can along wheel hub boundary slip, rotated along rotor on upper flabellum
Direction is provided with curved chute, and the edge of upper flabellum is run through in chute one end, and the other end of chute does not run through the edge of upper flabellum；
The sliding block for being installed with and coordinating with slide on air bag, lower flabellum is provided with the chute one end for not running through upper flabellum edge,
One end of air bag is connected with not running through the chute one end at upper flabellum edge, and the other end of air bag is connected with sliding block, in the air bag
Equipped with vinegar, vinegar boiling produces gas and struts air bag, and air bag promotes sliding block to be slided on chute, upper flabellum and lower flabellum point
Open.
2. Switching Power Supply heat abstractor according to claim 1, it is characterised in that：The air bag respectively with upper flabellum and cunning
Block is detachably connected.
3. Switching Power Supply heat abstractor according to claim 1, it is characterised in that：The flabellum group has 4 groups.
4. Switching Power Supply heat abstractor according to claim 1, it is characterised in that：Stayed between the upper flabellum and lower flabellum
There is gap.
5. Switching Power Supply heat abstractor according to claim 1, it is characterised in that：Between the upper flabellum and lower flabellum
Gap is 3 ~ 6mm.
6. Switching Power Supply heat abstractor according to claim 1, it is characterised in that：The controller can also be passed according to temperature
The size output pwm signal of the temperature of sensor detection, adjusts rotor speed in real time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710716533.3A CN107332433A (en) | 2017-08-21 | 2017-08-21 | Switching Power Supply heat abstractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710716533.3A CN107332433A (en) | 2017-08-21 | 2017-08-21 | Switching Power Supply heat abstractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107332433A true CN107332433A (en) | 2017-11-07 |
Family
ID=60228120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710716533.3A Pending CN107332433A (en) | 2017-08-21 | 2017-08-21 | Switching Power Supply heat abstractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107332433A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108800424A (en) * | 2018-06-15 | 2018-11-13 | 重庆市盛川荣科技有限责任公司 | Reaction type air-conditioner host control terminal based on chip store function |
| CN111912001A (en) * | 2020-05-22 | 2020-11-10 | 海信（山东）空调有限公司 | Indoor air conditioner |
| CN111963456A (en) * | 2020-08-12 | 2020-11-20 | 李伟强 | Ventilation device capable of automatically adjusting air intake based on mine |
| CN112118703A (en) * | 2019-06-21 | 2020-12-22 | 仁宝电脑工业股份有限公司 | Heat radiation module |
| CN112954925A (en) * | 2021-01-28 | 2021-06-11 | 哈尔滨孔旌环保科技有限公司 | Network safety protection electronic equipment based on artificial intelligence |
| US11048309B2 (en) | 2018-07-02 | 2021-06-29 | Acer Incorporated | Heat dissipation module |
| CN113613418A (en) * | 2021-10-08 | 2021-11-05 | 南通腾颢电子有限公司 | Intelligent aging power supply |
| CN114461045A (en) * | 2022-01-26 | 2022-05-10 | 苏州浪潮智能科技有限公司 | Adjustable heat dissipation device, computer and heat dissipation method |
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| CN113613418B (en) * | 2021-10-08 | 2022-02-08 | 南通腾颢电子有限公司 | Intelligent aging power supply |
| CN114461045A (en) * | 2022-01-26 | 2022-05-10 | 苏州浪潮智能科技有限公司 | Adjustable heat dissipation device, computer and heat dissipation method |
| CN114461045B (en) * | 2022-01-26 | 2023-07-21 | 苏州浪潮智能科技有限公司 | Adjustable heat dissipation device, computer and heat dissipation method |
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Application publication date: 20171107 |
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