CN209627969U - A kind of power supply device - Google Patents
A kind of power supply device Download PDFInfo
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- CN209627969U CN209627969U CN201822096763.7U CN201822096763U CN209627969U CN 209627969 U CN209627969 U CN 209627969U CN 201822096763 U CN201822096763 U CN 201822096763U CN 209627969 U CN209627969 U CN 209627969U
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- casing
- magnetic device
- power supply
- fixed column
- supply device
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Abstract
The utility model discloses a kind of power supply devices, and including casing and set on the magnetic device of casing internal, casing is equipped with fixed column and fixed plate for fixed magnetic device position, and fixed column one end is connect with internal side of shell wall, the other end and fixed plate connect；Heat-conducting substrate is equipped between casing and magnetic device, and heat-conducting substrate side is bonded with magnetic device, the other side is bonded with the inner sidewall of casing.Power supply device provided by the present application is conducted the heat of magnetic device to casing using heat-conducting substrate, and it is radiated by casing external environment, it reduces magnetic device heat while reducing its influence to component around, realize the effect for extending power supply device service life.
Description
Technical field
The utility model relates to power supply unit technical fields, more specifically to a kind of power supply device.
Background technique
Power supply device often utilizes the output of the magnetic devices such as inductance or transformer realization electric energy, during the work time, magnetic
Device can generate amount of heat, especially for high-power LED driving power source.However, since magnetic device is wrapped in power supply dress
The inside set, temperature can not be radiated in time after increasing, overheat so as to cause power supply device and lead to working efficiency sharply
Decline；In addition, the temperature of component can also increase around magnetic device, the use of the components such as transistor under the condition of high temperature
Service life can be declined, even be damaged.
It is that current those skilled in the art urgently solve in conclusion how quickly and effectively to be radiated to magnetic device
Certainly the problem of.
Utility model content
In view of this, can radiate to magnetic device the purpose of the utility model is to provide a kind of power supply device,
The temperature of therein is reduced, to extend service life.
To achieve the goals above, the utility model provides the following technical solutions:
A kind of power supply device, including casing and set on the magnetic device of the casing internal, the inner sidewall of the casing is set
Have for limiting the mobile fixed column of the magnetic device, the fixed column is equipped with far from the end of the casing for compressing
State the fixed plate of magnetic device；Heat-conducting substrate, and the heat-conducting substrate side are equipped between the casing and the magnetic device
It is bonded with the magnetic device, the other side is bonded with the inner sidewall of the casing.
Preferably, the fixed column is set to the bottom surface of the casing.
Preferably, the fixed column and the casing are integrally formed product.
Preferably, it is equipped with mounting hole in the middle part of the fixed plate, is equipped in the mounting hole and is connect with the fixed column end
Fastener；And/or high temperature resistant colloidal sol is equipped between the fixed plate and the magnetic device.
It preferably, further include drive module for converting the magnetic energy of the magnetic device to electric energy, the driving mould
Block is equipped with pcb board；The magnetic device is equipped with the coil lead connecting with the pcb board.
Preferably, the fixed plate is equipped with the outlet hole for avoiding the coil lead.
Preferably, the inner sidewall of the casing is equipped with the annular groove circumferentially extended along the fixed column, the fixed column
Periphery is arranged with insulating sleeve, and the insulating sleeve end is set in the annular groove, with improve the fixed column with it is described
The insulating properties of magnetic device.
Preferably, the internal side of shell wall is equipped with boss corresponding with the magnetic device position, to improve insulating properties, institute
It states annular groove and is set to the boss towards the side of the magnetic device.
Preferably, through-hole is equipped in the middle part of the magnetic device, the fixed column is set in the through-hole.
Preferably, the periphery of the magnetic device is equipped at least two fixed columns, to limit the magnetic device
Position.
Power supply device provided by the utility model includes casing and magnetic device, and magnetic device passes through fixed column and fixed plate
It is installed on casing internal, heat-conducting substrate is equipped between casing and magnetic device, heat-conducting substrate side is bonded with magnetic device, is another
Side is bonded with the inner sidewall of casing.
Fixed plate and casing cooperate, for limiting magnetic device moving along fixed column length direction, while fixed column can
Along moving for magnetic device itself is radially constrained, the fixation of magnetic device is finally realized.During the work time, due to heat-conducting substrate
Two sides be bonded respectively with magnetic device and casing, therefore heat-conducting substrate can by magnetic device generate heat conduct to machine
Shell, and being radiated by casing, to cause in casing that other component temperature are excessively high to ask after avoiding magnetic device from heating up
Topic.Power supply device provided by the present application is fixed magnetic device using fixed column and fixed plate, and by casing to magnetism
The heat of device radiates, and avoids the damage of component in casing, realizes the effect for extending power supply device service life.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram of the first power supply device provided by the utility model；
Fig. 2 is the structural schematic diagram of second of power supply device provided by the utility model；
Fig. 3 is the structural schematic diagram of the third power supply device provided by the utility model；
Fig. 4 is the structural schematic diagram of the 4th kind of power supply device provided by the utility model；
Fig. 5 is the structural schematic diagram of the 5th kind of power supply device provided by the utility model；
Fig. 6 is a kind of schematic three dimensional views of power supply device provided by the utility model；
Fig. 7 is the top view of Fig. 6.
Appended drawing reference in Fig. 1~7 are as follows:
Casing 1, heat-conducting substrate 2, insulating sleeve 3, magnetic device 4, fixed plate 5, coil lead 6, fastener 7, fixed column
8, annular groove 9, boss 10, drive module 11.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The core of the utility model is to provide a kind of power supply device, can radiate to magnetic device, reduce electricity
The temperature of source device improves its service life.
Fig. 1~7 is please referred to, Fig. 1 to Fig. 5 is respectively the structural representation of five kinds of power supply devices provided by the utility model
Figure；Fig. 6 is a kind of schematic three dimensional views of power supply device provided by the utility model；Fig. 7 is the top view of Fig. 6.
The utility model provides a kind of power supply device, the magnetic device 4 including casing 1 and inside casing 1, casing
1 inner sidewall is equipped with for limiting the mobile fixed column 8 of magnetic device 4, and fixed column 8 is equipped with far from the end of casing 1 for pressing
The fixed plate 5 of tight magnetic device 4；Heat-conducting substrate 2, and 2 side of heat-conducting substrate and magnetism are equipped between casing 1 and magnetic device 4
The fitting of device 4, the other side are bonded with the inner sidewall of casing 1.
Specifically, casing 1 is for accommodating magnetic device 4 and other components, while to external cooling.Magnetic device 4
It can be the components such as inductance, transformer, the inside of casing 1 is installed on by fixing piece.
The two sides of heat-conducting substrate 2 are bonded with 1 inner sidewall of casing and magnetic device 4 respectively, so that magnetic device 4 is generated
Heat is conducted to casing 1, and the shape of heat-conducting substrate 2 can be according to the form flexible choice of magnetic device 4.
It should be noted that preferably using heat dissipation effect good since casing 1 needs to radiate to outside
Metal material is made, for example, by using aluminum casing.In addition, in actual use, casing 1 is needed in state of insulation, to ensure
The safety of user, therefore heat-conducting substrate 2 is preferably good using heating conduction and can realize that the material of electrical isolation is made, such as adopts
Heat-conducting substrate 2 is made with alumina ceramic plate.It should be understood that can also be using the insulating materials system with certain heat dissipation effect
Make casing 1, to achieve the purpose that thermally conductive and insulation.
During the work time, the heat that magnetic device 4 generates is conducted by heat-conducting substrate 2 to casing 1, and passes through casing 1
External environment radiates, and reduces by 4 heat of magnetic device while reducing influence of the high temperature to component around.Due to this
Apply for that the temperature inside the power supply device provided is lower, therefore leads to 1 other yuan of inside of casing after avoiding the heating of magnetic device 4
The excessively high problem of device temperature, realizes the effect to prolong the service life.
It is worth noting that, the preferred fixing piece of the application includes fixed column 8 and fixed plate 5, wherein the setting of fixed column 8 exists
The inner sidewall of casing 1 and towards the internal stretch of casing 1 is mainly used for along the direction of vertical axis limitation magnetic device 4
It is mobile.The axis of fixed column 8 is preferably perpendicular to the surface for being connected thereto the casing 1 in region, in addition, in order to facilitate power supply device
Fixed column 8, is preferably arranged in the bottom surface inside casing 1 by assembly.In the actual processing process, fixed column 8 and casing 1 can lead to
It crosses integrally formed mode to be processed, can also individually process, and be fixed by the modes such as welding or being bonded.
The end of fixed column 8 is arranged in fixed plate 5, and the two can be protected by self-tapping screw or other kinds of fastener 7
Fixation is held, opens up mounting hole in the middle part of fixed plate 5 at this time, fastener 7 passes through mounting hole and the end of fixed column 8 is fixed, and realizes solid
The connection of fixed board 5 and fixed column 8.In the assembled condition, magnetic device 4 is clipped in the middle by fixed plate 5 and casing 1, thus along solid
The installation site of the length direction limitation magnetic device 4 of fixed column 8.
Optionally, in order to avoid magnetic device 4 interferes other components in casing 1, it is preferred to use epoxy plate
Or the good insulation product of other hardness is as fixed plate 5.It, can also be in addition, in order to reinforce the fixed effect of magnetic device 4
High temperature resistant colloidal sol is set between fixed plate 5 and magnetic device 4.
Optionally, in order to optimize the using effect of power supply device, power supply device further includes for will be magnetic in the present embodiment
The magnetic energy of device 4 is converted into the drive module 11 of electric energy, and drive module 11 is equipped with pcb board；Magnetic device 4 is equipped with to be connected with pcb board
The coil lead 6 connect.
Specifically, drive module 11 is used to carry out the conversion of energy, power supply device is made to export electric energy, the work of drive module 11
The particular circuit configurations for making principle and pcb board can refer to the prior art.Magnetic device 4 is corresponding with pcb board by coil lead 6
Hole connection is connect, in practical connection procedure, since fixed plate 5 is bonded with the end face of magnetic device 4, preferably in fixed plate 5
The outlet hole for avoiding coil lead 6 is opened up, coil lead 6 is pierced by from outlet hole and connect afterwards with pcb board；It should be understood that
Coil lead 6 can also be drawn from the side of magnetic device 4 and keep connecting with pcb board.
Further, in order to reinforce the insulation effect of casing 1, on the basis of any one above-mentioned embodiment, casing 1
Inner sidewall is equipped with the annular groove 9 circumferentially extended along fixed column 8, and 8 periphery of fixed column is arranged with insulating sleeve 3,3 end of insulating sleeve
Portion is set in annular groove 9.Specifically, annular groove 9 is located at the periphery of 8 end of fixed column.3 one end of insulating sleeve and annular are recessed
Slot 9 offsets, the other end extends to fixed plate 5, so that fixed column 8 is wrapped in therein, makes fixed column 8 and magnetic device 4
Insulation, to improve the insulating properties of fixed column 8 Yu magnetic device 4.
In order to further enhance the insulation effect of casing 1, in a kind of embodiment provided by the present application, 1 inner sidewall of casing is set
There is boss 10 corresponding with 4 position of magnetic device, for improving insulating properties.
Specifically, boss 10 and magnetic device 4 are distributed in the two sides of heat-conducting substrate 2, and the two is bonded with heat-conducting substrate 2,
In addition, boss sectional area is less than the sectional area of heat-conducting substrate 2.By taking visual angle shown in Fig. 3 as an example, compared to not set boss 10
Creepage distance between magnetic device 4 and casing 1 can be increased L by structure, setting boss 10, and wherein L is 2 bottom sides of heat-conducting substrate
Edge is at a distance from 10 top edge of boss.Therefore, the insulating properties of casing 1 can be improved in boss 10, it is possible to use family, which suitably reduces, leads
The thickness of hot substrate 2.
It should be understood that needing annular groove 9 being provided with boss 10 when boss 10 and insulating sleeve 3 are used cooperatively
End face, i.e. annular groove 9 is set to boss 10 towards the side of magnetic device 4.
Further, a kind of magnetic device 4 provided by the present application cooperates with fixed column 8 in fixed embodiment, magnetic device
Through-hole is equipped in the middle part of part 4, fixed column 8 is set in through-hole.Specifically, the magnetic device 4 for cross section in a ring, middle part tool
There is through-hole, then preferably fixed column 8 is socketed in through-holes, realizes the limit effect to magnetic device 4.
Fixed column 8 first can be set in by insulating sleeve 3 during practical set for the magnetic device of annular
Then heat-conducting substrate 2 and magnetic device 4, then mounting plate 5 and fastener 7 are successively inserted in 3 periphery of insulating sleeve in periphery,
Finally coil lead 6 is accessed in the pcb board of drive module 11.
It should be noted that in actual use, user can be arranged two or two inside casing 1 according to actual needs
A above magnetic device 4, then each the magnetic device 4 with through-hole is required to corresponding fixed column 8 is arranged and is consolidated at this time
It is fixed, specifically refer to Fig. 4.
Further, another magnetic device 4 provided by the present application cooperates with fixed column 8 in fixed embodiment, for
It is solid then can be arranged at least two in the periphery of magnetic device 4 since its middle part does not have through-hole for the magnetic device 4 of other than ring type
Fixed column 8, to limit the position of magnetic device 4.Specifically, the periphery of magnetic device 4 be uniformly arranged it is two or more solid
Fixed column 8, the line for being preferably provided with two fixed columns 8 and the two pass through the center of magnetic device 4.In addition, whole fixed columns 8 are
It is connect by corresponding fastener 7 with the same fixed plate 5, realizes the fixation to magnetic device 4.
It is worth noting that, the magnetic device 4 of two or more other than ring types is arranged inside casing 1 with reference to Fig. 5
When, it can be fixed by 5 pairs of the same fixed plate whole magnetic devices 4, adjacent magnetic device 4 shares a fixation at this time
Column 8.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, same and similar part may refer to each other between each embodiment.
Power supply device provided by the utility model is described in detail above.Specific case pair used herein
The principles of the present invention and embodiment are expounded, and the above embodiments are only used to help understand, and this is practical new
The method and its core concept of type.It is practical not departing from it should be pointed out that for those skilled in the art
Under the premise of new principle, several improvements and modifications can be made to this utility model, these improvement and modification also fall into this
In the protection scope of utility model claims.
Claims (10)
1. a kind of power supply device including casing (1) and is set to the casing (1) internal magnetic device (4), which is characterized in that
The inner sidewall of the casing (1) is equipped with for limiting the magnetic device (4) mobile fixed column (8), and the fixed column (8) is remote
End from the casing (1) is equipped with the fixed plate (5) for compressing the magnetic device (4)；The casing (1) and the magnetic
Property device (4) between be equipped with heat-conducting substrate (2), and the heat-conducting substrate (2) side is bonded with the magnetic device (4), is another
Side is bonded with the inner sidewall of the casing (1).
2. power supply device according to claim 1, which is characterized in that the fixed column (8) is set to the bottom of the casing (1)
Face.
3. power supply device according to claim 1, which is characterized in that mounting hole is equipped in the middle part of the fixed plate (5), it is described
The fastener (7) connecting with the fixed column (8) end is equipped in mounting hole；And/or the fixed plate (5) and the magnetism
High temperature resistant colloidal sol is equipped between device (4).
4. power supply device according to claim 1, which is characterized in that further include for by the magnetic of the magnetic device (4)
It can be converted into the drive module (11) of electric energy, the drive module (11) is equipped with pcb board；The magnetic device (4) is equipped with and institute
State the coil lead (6) of pcb board connection.
5. power supply device according to claim 4, which is characterized in that the fixed plate (5) is equipped with for avoiding the line
Enclose the outlet hole of lead (6).
6. power supply device according to claim 1, which is characterized in that the inner sidewall of the casing (1) is equipped with along described solid
The annular groove (9) of fixed column (8) circumferentially extending, fixed column (8) periphery is arranged with insulating sleeve (3), the insulating sleeve
(3) end is set in the annular groove (9), to improve the insulating properties of the fixed column (8) Yu the magnetic device (4).
7. power supply device according to claim 6, which is characterized in that casing (1) inner sidewall is equipped with and the magnetism
Device (4) position correspondence, the boss (10) for improving insulating properties, the annular groove (9) are set to the boss (10) direction
The side of the magnetic device (4).
8. power supply device described in any one according to claim 1~7, which is characterized in that the fixed column (8) and the machine
Shell (1) is integrally formed product.
9. power supply device described in any one according to claim 1~7, which is characterized in that set in the middle part of the magnetic device (4)
There is through-hole, the fixed column (8) is set in the through-hole.
10. power supply device described in any one according to claim 1~7, which is characterized in that outside the magnetic device (4)
Week is equipped at least two fixed columns (8), to limit the position of the magnetic device (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822096763.7U CN209627969U (en) | 2018-12-13 | 2018-12-13 | A kind of power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822096763.7U CN209627969U (en) | 2018-12-13 | 2018-12-13 | A kind of power supply device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209627969U true CN209627969U (en) | 2019-11-12 |
Family
ID=68445729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822096763.7U Active CN209627969U (en) | 2018-12-13 | 2018-12-13 | A kind of power supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209627969U (en) |
-
2018
- 2018-12-13 CN CN201822096763.7U patent/CN209627969U/en active Active
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