CN208285207U - A kind of shell for Switching Power Supply - Google Patents
A kind of shell for Switching Power Supply Download PDFInfo
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- CN208285207U CN208285207U CN201820994819.8U CN201820994819U CN208285207U CN 208285207 U CN208285207 U CN 208285207U CN 201820994819 U CN201820994819 U CN 201820994819U CN 208285207 U CN208285207 U CN 208285207U
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- shell
- wind deflector
- power supply
- radiator fan
- air outlet
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Abstract
The utility model provides a kind of shell for Switching Power Supply, including shell, and shell is equipped with air inlet and air outlet, radiator fan is installed in shell, the side wall of shell is arranged in the roof that shell is arranged in of air inlet, air outlet, and radiator fan is mounted on air inlet；It further include being arranged in the intracorporal wind deflector of shell, which is located at the lower section of radiator fan, and the upper end of wind deflector is fixedly connected with the lower surface of radiator fan, and wind deflector is tilted to direction of air outlet so that forming heat dissipation region between wind deflector and air outlet；The intracavity bottom of shell is installed with circuit board, and the electronic component with heating function is located at heat dissipation region.The utility model passes through in the tilted installation wind deflector of shell, what the wind entered from radiator fan made wind after wind deflector is hit is oriented parallel to air outlet, electronic component with heating function is located at heat dissipation region, it is precisely radiated by wind deflector to electronic component, has the effect of fast cooling.
Description
Technical field
The utility model relates to field of power supplies more particularly to a kind of shells for Switching Power Supply.
Background technique
Power supply refers to the device that alternating current (especially alternating current) is converted to stable DC electricity, for by the energy of other forms
It is converted into electric energy, is used for various electronic equipments.With the development of industry and science and technology, requirement of the various instruments to power quality
It is higher and higher.Original electric energy including alternating current may can not meet the requirement of support, it is necessary to could use by processing, especially
It is in the stabilization low-voltage of precision instrument requirement, general power supply is not able to satisfy the stable needs of instrument work.Power electronics skill
Art plays an important role in such a process.
Switching Power Supply is the time ratio that control switch pipe turns on and off using modern power electronics technology, remains steady
Determine a kind of power supply of output voltage.Switching Power Supply has many advantages, such as small in size, light-weight, high conversion efficiency, has a wide range of application.
In Switching Power Supply product, temperature is a very crucial performance indicator.Excessively high temperature will will lead to temperature
Spend sensitive semiconductor devices., the components such as capacitor failure.When temperature is more than certain value, exponentially rule increases crash rate
Add.There is statistics to show that electronic component temperature is every and increase 2 DEG C, reliability can decline 10%；And at 50 DEG C of temperature raising
Service life only have temperature increase 25 DEG C when the service life 1/6.
A part of existing Switching Power Supply cools down to semiconductor element using air cooling way, usually in two opposite sides of shell
Wall opens up air inlet and air outlet respectively, to realize centerline parallel or the coincidence of air inlet and air outlet.Due to air inlet and
Air outlet is oppositely arranged, and when practical air-cooled, can not precisely be cooled down to the heating element on circuit board.
In view of this, it is necessary to the shell in existing Switching Power Supply be improved, to solve the above problems.
Summary of the invention
The purpose of this utility model is to provide a kind of shells for Switching Power Supply, by setting below radiator fan
It sets to the inclined wind deflector of direction of air outlet, air outlet angle is controlled by wind deflector, achievees the effect that rapid cooling.
Realize that the technical solution of the utility model aim is as follows:
A kind of shell for Switching Power Supply, including shell, the shell are equipped with air inlet and air outlet, the shell
Radiator fan is inside installed, the roof that shell is arranged in of the air inlet, the side wall of shell is arranged in the air outlet, described
Radiator fan is mounted on air inlet；
It further include being arranged in the intracorporal wind deflector of the shell, which is located at the lower section of radiator fan, and wind deflector
Upper end is fixedly connected with the lower surface of radiator fan, and the wind deflector is tilted to direction of air outlet so that wind deflector and air outlet
Between form heat dissipation region；
The intracavity bottom of the shell is installed with circuit board, and multiple electronic components are installed on circuit board, has fever
The electronic component of function is located at heat dissipation region.
The mounting base of the radiator fan is fixed with the inner wall for opening up air inlet as a further improvement of the utility model,
Connection, the fan wheel face air inlet of the radiator fan；The mounting base of the radiator fan is equipped with ventilating duct, the fan
Wheel is located at the inside of ventilating duct；
The upper end of the wind deflector is fixedly connected with the lower surface of ventilating duct, and the lower end of the wind deflector is hanging.
Between having between the wind deflector lower end and the upper surface of circuit board as a further improvement of the utility model,
Gap, the electronic component with heating function includes: transformer, IGBT module, and the transformer and IGBT module are located at wind-guiding
Between plate and air outlet.
The air outlet is made of several apertures as a further improvement of the utility model, several described apertures
It is evenly distributed on the same side wall of shell.
Radiator is equipped in the shell as a further improvement of the utility model, which is installed in circuit board
On, there is gap between the radiator fan and radiator.
Multiple heat-conducting silica gel sheets are staggeredly equipped on the wind deflector as a further improvement of the utility model, it is described to lead
Hot silica gel piece is installed on wind deflector.
Compared with prior art, the utility model has the beneficial effects that
1. the utility model is by the way that in the tilted installation wind deflector of shell, the wind entered from radiator fan is hit through wind deflector
Make wind afterwards is oriented parallel to air outlet, and the electronic component with heating function is located at heat dissipation region, by wind deflector to electricity
Sub- component is precisely radiated, and the wind for being parallel to air outlet takes away the heat on semiconductor element, has fast cooling
Effect；
2. ventilating duct is arranged in the periphery of fan wheel in the utility model, the intracorporal wind of shell will be entered by ventilating duct and drawn completely
It is directed at wind deflector, the utilization rate of wind is improved, further achievees the purpose that fast cooling；
3. circuit board is closed in the lower end of wind deflector by the utility model, the cold wind to commutate through wind deflector can be accurately to electricity
Heater element cooling on the plate of road has the advantages that precisely to cool down；
4. radiator fan and radiator are used cooperatively by the utility model, achieve the purpose that rapid cooling；
5. heat-conducting silica gel sheet is arranged in the utility model on wind deflector, in the moment of cold wind contact wind deflector, by thermally conductive
Silica gel piece reduces the intracorporal bulk temperature of shell, lays the foundation to reduce the temperature of heater element in next step.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Switching Power Supply.
Fig. 2 is the stereoscopic schematic diagram one of shell.
Fig. 3 is the partial enlarged view of radiator and circuit board junction.
Fig. 4 is the stereoscopic schematic diagram two of shell.
In figure, 1, shell；11, air inlet；12, wind deflector lower end；13, air outlet；14, threading hole；15, support column；2,
Radiator；21, heat conduction silicone；3, radiator fan；31, ventilating duct；4, wind deflector；5, attachment base；6, circuit board；7, cold wind；
8, connecting terminal.
Specific embodiment
The utility model is described in detail in each embodiment shown in reference to the accompanying drawing, but it should be stated that,
These embodiments are not limitation of the utility model, those of ordinary skill in the art according to these embodiments made by function
Energy, method or equivalent transformation or substitution in structure, belong within the protection scope of the utility model.
In the description of the present embodiment, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description the invention and simplifies description, rather than indicate
Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand
For the limitation to the invention.
In addition, term " first ", " second ", " third " etc. are used for description purposes only, it is not understood to indicate or imply
Relative importance or the quantity for implicitly indicating indicated technical characteristic.The feature of " first ", " second " etc. is defined as a result,
It can explicitly or implicitly include one or more of the features.In the description of the invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
Term " installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, be also possible to removable
Connection is unloaded, or is integrally connected；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be in
Between medium be indirectly connected, can be the connection inside two elements.For the ordinary skill in the art, can pass through
Concrete condition understands concrete meaning of the above-mentioned term in the invention.
Switching Power Supply can generate a large amount of heat when working, if these heats being discharged cannot in time and be allowed to be in
One reasonable horizontal, it will the normal work for influencing Switching Power Supply can damage Switching Power Supply when serious.Inside Switching Power Supply
Temperature rise is excessively high, it will leads to the failure of the components such as thermally sensitive semiconductor devices, electrolytic capacitor.When temperature is more than certain
When value, exponentially rule increases crash rate.Have statistics show electronic component temperature it is every increase 2 DEG C, reliability will under
Drop 10%；Service life at 50 DEG C of temperature rise only has 1/6 at 25 °C of temperature rise.Other than electric stress, temperature is to influence Switching Power Supply
The most important factor of reliability.High frequency switch power has powerful heating device, and temperature is even more to influence its reliability most
One of important factor.
For the reliability for improving Switching Power Supply work, a kind of Switching Power Supply is present embodiments provided, as shown in Figure 1, Fig. 1 is
The structural schematic diagram of Switching Power Supply, Switching Power Supply include shell 1, radiator 2, radiator fan 3, circuit board 6, for connecting outside
The connecting terminal 8 of equipment, into shell 1 transporting cold wind cold air duct, wherein radiator 2, radiator fan 3, circuit board 6 connect
Line terminals 8 are installed in shell 1, and connecting terminal 8 is electrically connected with the power output end of Switching Power Supply, connecting terminal 8 and circuit
The upper surface of plate 6 couples, and radiator fan 3 closes on the setting of air inlet 11, is fixedly provided with wind deflector 4 in shell 1, the wind deflector 4
In the lower section of radiator fan 3, and setting is tilted down, wind deflector 4 is tilted to 13 direction of air outlet, and wind deflector 4 and radiation air
Clamping between the axis of fan 3 is acute angle.Present embodiment is by the tilted installation wind deflector 4 of shell 1, from radiator fan 3
What the air-flow of entrance made air-flow after the shock of wind deflector 4 is oriented parallel to air outlet 13, and the air-flow for being parallel to air outlet 13 is taken away
Heat on semiconductor element, so that fast cooling inside Switching Power Supply.It is preferred that shell 1 is equipped with air inlet 11 and air outlet
13, the outer wall of air inlet 11 is opened up on shell 1 and opens up the outer wall vertical of air outlet 13, is additionally provided with power supply source line on shell 1 and is worn
The threading hole 14 crossed, air outlet 13 are made of several apertures.
The fixed form of wind deflector 4 and shell 1 can be grafting, clamping or hinged in present embodiment, it is contemplated that use
Convenient, the mounting base of radiator fan 3 is fixedly connected with the inner wall for opening up air inlet 11, the fan wheel face air inlet of radiator fan 3
Mouth 11；The mounting base of radiator fan 3 is equipped with ventilating duct 31, and fan wheel is located at the inside of ventilating duct 31；The upper end of wind deflector 4
It is fixedly connected with the lower surface of ventilating duct 31, the lower end of wind deflector 4 is hanging.By the way that ventilating duct is arranged in the periphery of fan wheel
31, the wind entered in shell 1 is guided to the utilization rate for improving wind to wind deflector 4 completely by ventilating duct 31, is further reached fast
The purpose of prompt drop temperature.
In view of accelerating cooling in shell 1, the service life of Switching Power Supply, the circuit board 6 in present embodiment can be extended
It is installed in the bottom of 1 inner cavity of shell, there is gap, on circuit board 6 between 4 lower end of wind deflector and the upper surface of circuit board 6
Semiconductor element is between wind deflector 4 and air outlet 13.The partial heat that 6 semiconductor elements of circuit board give out is from gap
Place's output is to 1 inner cavity of shell, and the heat that the air-flow and gap location entered from radiator fan 3 distributes generates heat exchange, after heat exchange
It is discharged from air outlet 13, to accelerate to cool down.
The dust in air enters in shell 1 from air outlet 13 in order to prevent, and air outlet 13 is made of several apertures, if
A dry aperture is evenly distributed on the same side wall of shell 1.Several apertures could be formed with a filter screen, filter out in air
Solid particle, prevent dust from entering in shell.
Radiator 2 in present embodiment can be fixed on circuit board 6, can also be fixed on 1 inner wall of shell, as
It is preferred that radiator 2 and radiator fan 3 are mounted on same inner wall, the lower end of radiator 2 is lower than the lower surface of radiator fan 3,
The lower end of radiator 2 is extended with heat sink from peripheral wall to the lower section of radiator fan 3, between having between heat sink and wind deflector 4
Gap.Radiator fan 3 and radiator 2 are used cooperatively by present embodiment, achieve the purpose that rapid cooling.
In order to accelerate heat exchange, multiple heat-conducting silica gel sheets are staggeredly equipped on wind deflector 4, heat-conducting silica gel sheet is installed in wind deflector
On 4.It is preferred that heat-conducting silica gel sheet be high-performance heat-conducting silica gel sheet XK-P80, high-performance heat-conducting silica gel sheet XK-P80 have high thermal conductivity,
Height insulation, EMI suppression, thermal coefficient 7.9W, thickness can accomplish 0.5mm, use temperature -50 ~ 200 DEG C, superelevation proof voltage 15KV.It is high
Performance heat-conducting silica gel sheet XK-P80 is high-order thermal conductive property, superelevation ceramic filler amount (nonmetallic) gasket, and high deflection has both good
Good processability, either stamp are punched, long strip type, and deformity design can not be crushed not modification, high-performance heat-conducting silica gel sheet
The suitable superelevation heat-producing device of hypotonic oil controlled uses, and carries slightly viscous, easy construction.
Heat-conducting silica gel sheet is arranged on wind deflector 4 in present embodiment, in the moment of cold wind contact wind deflector 4, by thermally conductive
Silica gel piece reduces the bulk temperature in shell 1, lays the foundation to reduce the temperature of heater element in next step.
Due to the variation of variation and the load of environment temperature, dissipation thermal energy when power work, using fan and naturally cold
But mode, which combines, faster to distribute thermal energy.This mode is while increasing fan cooling, it is possible to reduce dissipates
Hot 2 area of device, so that power component work is under the conditions of metastable temperature field, service life will not become because of external condition
It changes impacted.So not only overcome the power component of pure fan coolling pair radiate control lag the shortcomings that, also fan is avoided to make
With the service life low global reliability for influencing rectifier.
In actual use, radiator can be contacted with shell, can not also be contacted.When radiator is not contacted with shell
When, shell 1 is interior to be equipped with radiator 2, and the radiator 2 is fixed on circuit boards, has between the radiator fan 3 and radiator 2
Gap.
When radiator and shell contact, if circuit board 6 leaks electricity, electric current can be transferred to metal shell by radiator 2, grasp
Metal shell is accidentally touched as personnel, it may occur that electric shock accidents.For this purpose, the radiator 2 of present embodiment includes pedestal, is mounted on base
Multiple cooling fins on seat, multiple cooling fins are arranged in parallel on the base at equal intervals, and it is logical that air-flow is formed between abutting fins
The partial enlarged view of road, radiator 2 and 6 junction of circuit board is as shown in figure 3, the bottom surface of pedestal is led equipped with heat conduction silicone 21
Hot layer of silica gel 21 is contacted with circuit board 6, and heat conduction silicone 21 is equipped with heat release hole.Present embodiment passes through in the lower surface of pedestal
Heat conduction silicone 21 is set, silica gel made of composite material not only has good electrical insulating property, also has preferable thermal conductivity,
Radiator 2 also has the function of electrical isolation under the premise of having heat dissipation effect.
Media of the heat conduction silicone 21 as transmitting heat not only with excellent electrical insulating property but also had had excellent thermally conductive
Property, while there is high-low temperature resistant, can within the temperature range of -60 DEG C ~ 200 DEG C, long-term work and be not in air-dry hardening or
Melting phenomenon heat conduction silicone 21 is aided with high thermal conductivity filler based on polysiloxanes, non-toxic and tasteless non-corrosive, chemicals
Rationality can be stablized.
The connection type of circuit board 6 and shell 1, can be and be bonded or welded in present embodiment, for the ease of heat dissipation, originally
The circuit board 6 of embodiment is mounted on the bottom surface of 1 inner cavity of shell of Switching Power Supply by bracket, and bracket includes at least two
Dagger 15, the support column 15 are distributed in the corner of circuit board 6, and the bottom surface of the lower surface and 1 inner cavity of shell of support column 15 is fixed
Connection, the upper surface of support column 15 is fixedly connected with the lower surface of circuit board 6；Circuit board 6 be equipped with multiple through-holes, through-hole and dissipate
Hot hole is staggered.The setting of through-hole and heat release hole is to accelerate heat exchange.Present embodiment on circuit board 6 by opening
If through-hole, heat release hole is opened up in heat conduction silicone 21, heat release hole and through-hole are staggered, the biography of heat on accelerating circuit plate 6
Defeated efficiency improves heat dissipation effect.
It is preferred that having gap, any of pedestal close to circuit board 6 between the roof of 1 inner cavity of upper surface and shell of cooling fin
Side wall setting, another side wall top opposite with the side wall are equipped with radiator fan 3, and radiator fan 3 is fixed on the top of 1 inner cavity of shell
On wall.Radiator 2 and radiator fan 3 are used cooperatively, so that the better heat-radiation effect of entire Switching Power Supply.
Roof for installing radiator fan 3 is equipped with air inlet 11, is equipped with cool air hose on air inlet 11, the cool air hose
It is connected to the air outlet 13 of refrigeration equipment.The wind of the conveying of radiator fan 3 is natural wind or cold wind, it is contemplated that Switching Power Supply is in heat
With area in use, the bad defect of natural wind heat dissipation effect, present embodiment install cool air hose, cool air hose on air inlet 11
It is connect with the air outlet 13 of refrigeration equipment, the transporting cold wind into shell 1, can quickly reduce the temperature in shell 1.
In view of rapid cooling, present embodiment two sides opposite on each cooling fin are equipped with several and are uniformly distributed
Radiating fin, radiating fin oblique cutting is on the side wall of cooling fin, and the root of radiating fin is fixedly connected with the side wall of cooling fin.Pass through
Radiating fin is evenly distributed in the opposite two side walls of cooling fin, the heat dissipation area on each cooling fin increases 21%-35%, improves
The radiating efficiency of radiator 2.
Due to exporting air-flow close to 80% with the aperture of 4 face of wind deflector, the aperture export air-flow of side is only 20% or so,
Usual threading hole 14 is located at the middle part of side wall of outer shell, and threading hole 14 will affect the heat dissipation effect of entire Switching Power Supply.For this purpose, this reality
The perspective view of Switching Power Supply in mode is applied as shown in Fig. 2, being additionally provided with the threading hole 14 that power supply source line passes through on shell 1, air outlet
13 are made of several apertures, and wind deflector 4 is provided between air inlet 11 and air outlet 13, which is installed in shell 1
Inner cavity is staggeredly equipped with multiple heat-conducting silica gel sheets on wind deflector 4, and air inlet 11 is connected to cold air duct, and cold air duct is fixed on shell
On body 1, threading hole 14 and several apertures are respectively positioned on same side wall, and threading hole 14 is located at the side of the side wall, the side wall
Other positions be evenly equipped with aperture.The low side of air-flow export rate is arranged in threading hole 14 by present embodiment, is threaded meeting
It is required that while, enhance air-out effect.
In order to be fallen off when solving the problems, such as that conducting wire is connect with connecting terminal 8 by external force, producer is in manufacture Switching Power Supply
When, bolt can be set on connecting terminal 8, and the through-hole passed through for screwdriver is arranged in the roof of shell 1, and screwdriver is passed through from through-hole
Afterwards, the end of screwdriver and threaded bolt contacts, for electric power connection line between nuts and connecting terminal 8, tightening bolt can be real
The fixation of existing electric power connection line and connecting terminal 8.Screwdriver passes through through-hole and protrudes into 1 inner cavity of shell, can just tighten bolt.Due to logical
The aperture in hole is smaller, and screwdriver can only be directed at bolt with feeling by operator, with the naked eye intuitively whether can not observe screwdriver
It is directed at bolt.For this purpose, 1 structure of shell of present embodiment on the side wall of shell 1 as shown in figure 4, offer through slot, terminals
Son 8 is arranged close to through slot, and circuit board 6 is equipped with the attachment base 5 of triangle, the horizontal plane of the attachment base 5 and the upper table of circuit board 6
Face is fixedly connected, and the vertical plane of attachment base 5 is contacted with the side wall of radiator 2, and connecting terminal 8 is arranged on the inclined-plane of attachment base 5,
And the axis of connecting terminal 8 and the inclined-plane of attachment base 5 are perpendicular.By opened up on 1 side wall of shell of Switching Power Supply through slot,
The attachment base 5 of triangle is set between connecting terminal 8 and wiring board, and the upper surface by connecting terminal 8 perpendicular to attachment base 5 is set
It sets, screwdriver, which passes through through slot, just can tighten bolt.Present embodiment on the side wall of shell 1 by opening up through slot, connecting terminal 8
It is arranged close to through slot and is fixed on the inclined-plane of attachment base 5, when Switching Power Supply connects external equipment, screwdriver need to be only tilted and be inserted
Enter through slot just and can contact the screw on connecting terminal 8, present embodiment has the advantages that easy to operate, easy to use.
In view of attachment base 5 needs to insulate, the lower surface of attachment base 5 be equipped with heat conduction silicone 21, power output end according to
Sequence is electrically connected after passing through heat conduction silicone 21, attachment base 5 with the input terminal of connecting terminal 8.Due to the attachment base 5 of present embodiment
It is made of aluminium, by the way that heat conduction silicone 21 is arranged in the bottom surface of attachment base 5, so that attachment base 5 is insulated, prevent operator from connecing
It gets an electric shock when trial operation after line.
For the ease of tightening screw, the height of present embodiment middle groove is greater than the height of attachment base 5, in practical manufacture
In, preferably the height of through slot is greater than two times of 5 height of attachment base.In wiring, screwdriver is convenient for tightening screw in this way.
Since the shell of Switching Power Supply is exposed for a long time in air, the particulate matter in air can be from through-hole access switch power supply
Inside pollutes Switching Power Supply inside.Therefore, present embodiment is equipped with sealing cover, the sealing cover at the through slot of shell 1
It is made of rubber material, sealing cover is equipped with cable-through hole, and sealing cover and through slot are interference fitted.Due to the connection of sealing cover and through slot
Mode is the prior art, and present embodiment repeats no more.By the way that sealing cover is arranged at through slot, sealing cover can be prevented in air
Solid particulate matter enters inside shell 1, to guarantee the neat and tidy inside Switching Power Supply.
In order to accelerate to radiate, the attachment base 5 of present embodiment is made of aluminium, and the vertical plane of attachment base 5 is equipped with multiple
The radiating fin being vertically arranged, the radiating fin oblique cutting is on the vertical plane of attachment base 5, and the root of radiating fin and the fixed company of vertical plane
It connects.Present embodiment is made by the way that radiating fin, attachment base 5 are arranged on the vertical plane of attachment base 5 of aluminium, accelerating circuit plate 6
The efficiency of transmission of upper heat has the effect of accelerating heat dissipation.
Tool of the series of detailed descriptions listed above only for the feasible embodiment of the utility model
Body explanation, they are all without departing from made by the utility model skill spirit not to limit the protection scope of the utility model
Equivalent implementations or change should be included within the scope of protection of this utility model.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in
All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting
Related claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (6)
1. a kind of shell for Switching Power Supply, including shell (1), the shell (1) is equipped with air inlet (11) and air outlet
(13), radiator fan (3) are installed in the shell (1), which is characterized in that the setting of the air inlet (11) is in shell (1)
Roof, in the side wall of shell (1), the radiator fan (3) is mounted at air inlet (11) for the air outlet (13) setting；
It further include the wind deflector (4) being arranged in the shell (1), which is located at the lower section of radiator fan (3), and
The upper end of wind deflector (4) is fixedly connected with the lower surface of radiator fan (3), and the wind deflector (4) is to air outlet (13) direction
Inclination is so that form heat dissipation region between wind deflector (4) and air outlet (13)；
The intracavity bottom of the shell (1) is installed with circuit board, and multiple electronic components are installed on circuit board, has fever
The electronic component of function is located at heat dissipation region.
2. the shell according to claim 1 for Switching Power Supply, which is characterized in that the installation of the radiator fan (3)
Seat is fixedly connected with the inner wall for opening up air inlet (11), the fan wheel face air inlet (11) of the radiator fan (3)；It is described to dissipate
The mounting base of Hot-air fan (3) is equipped with ventilating duct (31), and the fan wheel is located at the inside of ventilating duct (31)；
The upper end of the wind deflector (4) is fixedly connected with the lower surface of ventilating duct (31), and the lower end of the wind deflector (4) is outstanding
It is empty.
3. the shell according to claim 2 for Switching Power Supply, which is characterized in that wind deflector (4) lower end with
There is gap, the electronic component with heating function includes: transformer, IGBT module, institute between the upper surface of circuit board (6)
It states transformer and IGBT module is located between wind deflector (4) and air outlet (13).
4. the shell according to claim 1-3 for Switching Power Supply, which is characterized in that the air outlet (13)
It is made of several apertures, several described apertures are evenly distributed on the same side wall of shell (1).
5. the shell according to claim 1 for Switching Power Supply, which is characterized in that be equipped with heat dissipation in the shell (1)
Device (2), the radiator (2) is fixed on circuit boards, has gap between the radiator fan (3) and radiator (2).
6. being used for the shell of Switching Power Supply according to claim 1 or 5, which is characterized in that on the wind deflector (4) staggeredly
Equipped with multiple heat-conducting silica gel sheets, the heat-conducting silica gel sheet is installed on wind deflector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820994819.8U CN208285207U (en) | 2018-06-27 | 2018-06-27 | A kind of shell for Switching Power Supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820994819.8U CN208285207U (en) | 2018-06-27 | 2018-06-27 | A kind of shell for Switching Power Supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208285207U true CN208285207U (en) | 2018-12-25 |
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ID=64704674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820994819.8U Active CN208285207U (en) | 2018-06-27 | 2018-06-27 | A kind of shell for Switching Power Supply |
Country Status (1)
| Country | Link |
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| CN (1) | CN208285207U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289558A (en) * | 2019-07-24 | 2019-09-27 | 国网河北省电力有限公司邢台供电分公司 | Power panel mounting box |
| CN110461119A (en) * | 2019-08-12 | 2019-11-15 | 合肥通用电源设备有限公司 | A kind of Switching Power Supply shell that dust protection enters |
-
2018
- 2018-06-27 CN CN201820994819.8U patent/CN208285207U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110289558A (en) * | 2019-07-24 | 2019-09-27 | 国网河北省电力有限公司邢台供电分公司 | Power panel mounting box |
| CN110289558B (en) * | 2019-07-24 | 2021-08-31 | 国网河北省电力有限公司邢台供电分公司 | Power panel mounting box |
| CN110461119A (en) * | 2019-08-12 | 2019-11-15 | 合肥通用电源设备有限公司 | A kind of Switching Power Supply shell that dust protection enters |
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