CN205754011U - A kind of low pressure components being applied to 3.3kW air-cooled AC/DC changer - Google Patents
A kind of low pressure components being applied to 3.3kW air-cooled AC/DC changer Download PDFInfo
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- CN205754011U CN205754011U CN201620577275.6U CN201620577275U CN205754011U CN 205754011 U CN205754011 U CN 205754011U CN 201620577275 U CN201620577275 U CN 201620577275U CN 205754011 U CN205754011 U CN 205754011U
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- power device
- low pressure
- plate
- heat
- pressure components
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Abstract
The utility model discloses a kind of low pressure components being applied to 3.3kW air-cooled AC/DC changer, 3.3kW air-cooled AC/DC changer has peripheral heat-radiating substrate, low pressure components includes the first power device, the second power device and baffle fin, baffle fin includes the first plate and the second plate being connected in angle, first plate is provided with screw column, and the first power device is threaded connection and is fixed on screw column；Second power device is fixed on the second plate, is coated with heat-conducting silicone grease between the second power device and the second plate, and the second power device and the first power device are respectively positioned on the inner side of baffle fin；Baffle fin is fixed on peripheral heat-radiating substrate, and the outside of baffle fin supports with peripheral heat-radiating substrate, is coated with heat-conducting silicone grease between outside and the peripheral heat-radiating substrate of baffle fin.Scheme of the present utility model, it is possible to strengthen the heat conductivility of low pressure components, reduces the electromagnetic interference that low pressure components is subject to.
Description
Technical field
This utility model relates to electric and electronic technical field, particularly relates to one and is applied to 3.3kW air-cooled AC/DC changer
Low pressure components.
Background technology
AC-dc converter is typically provided with low pressure components, for meeting the low pressure output power demands of load equipment.
Low pressure components includes the power component easily generated heat, and it operationally can produce amount of heat.In prior art, due to low pressure
The heat dissipation design of assembly considers not, to cause the heat on low pressure components seriously to be accumulated, have impact on the whole aircraft reliability of changer.
Utility model content
In view of this, this utility model provides a kind of low pressure components being applied to 3.3kW air-cooled AC/DC changer, energy
Enough strengthen the heat conductivility of low pressure components.
A kind of low pressure components being applied to 3.3kW air-cooled AC/DC changer, described 3.3kW air-cooled AC/DC changer has
Peripheral heat-radiating substrate, described low pressure components includes the first power device, the second power device and baffle fin, described absorption
Plate fin includes the first plate and the second plate being connected in angle, and described first power device is fixed on described first plate；Institute
State the second power device to be installed on described second plate, between described second power device and described second plate, be coated with thermal conductive silicon
Fat, and described second power device and described first power device be respectively positioned on the inner side of described baffle fin；Described absorption
Plate fin is fixed on described peripheral heat-radiating substrate, and the outside of described baffle fin is supported with described peripheral heat-radiating substrate
Hold, between outside and the described peripheral heat-radiating substrate of described baffle fin, be coated with described heat-conducting silicone grease.
Wherein, described second power device is threaded connection and is fixed on described second plate.
Wherein, described second power device is metal oxide semiconductor transistor.
Wherein, described first plate is provided with screw column, and described first power device is threaded connection and is fixed on described spiral shell
On silk post.
Wherein, described first power device is low pressure printed circuit-board assembly.
Wherein, described baffle fin is made up of electromagnetic shielding material.
Thus, low pressure components of the present utility model, by being fixed on power device on baffle fin, and at power
Heat-conducting silicone grease it is coated with between device and baffle fin；Whole low pressure components is fixed on peripheral heat-radiating substrate, and low
It is coated with heat-conducting silicone grease between pressure assembly and peripheral heat-radiating substrate, thus, it is to avoid the accumulation of heat on low pressure components, enhances low
The heat conductivility of pressure assembly.Being additionally, since baffle fin uses the material with good electrical magnetic shield performance to make, thus
It also is able to the electromagnetic interference avoiding other components, circuit unit to low pressure components.
Accompanying drawing explanation
For more clearly illustrating structural feature of the present utility model and effect, it is right to come with specific embodiment below in conjunction with the accompanying drawings
It is described in detail.
Fig. 1 is the structural representation of the baffle fin that this utility model embodiment provides.
Fig. 2 is the baffle fin assembling schematic diagram with peripheral heat-radiating substrate of utility model embodiment offer.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe.Obviously, described embodiment is a part of embodiment of the present utility model rather than all implements
Example.Based on the embodiment in this utility model, those of ordinary skill in the art are institute on the premise of not making creative work
The every other embodiment obtained, all should belong to the scope of this utility model protection.
3.3kW air-cooled AC/DC changer (not shown) in the present embodiment includes low pressure components (not shown), high potential assembly
(not shown), and peripheral heat-radiating substrate 20.Described low pressure components and described high potential assembly are independent power model, described
Low pressure components and described high potential assembly are spaced apart inside described 3.3kW air-cooled AC/DC changer.Isolation setting is prevented from
The heat of high potential assembly is directly delivered in low pressure components, it is to avoid the heat accelerated accumulation in low pressure components.
As it is shown in figure 1, described low pressure components include the first power device (not shown), the second power device (not shown) and
Baffle fin 10.Described first power device and described second power device are all installed on baffle fin 10.This
In embodiment, it is preferred that described first power device is low pressure printed circuit-board assembly, is the print with low pressure output function
Printed circuit board assembly.Described second power device is metal oxide semiconductor transistor (metal-oxide-semiconductor).In other embodiments,
Described first power device and described second power device can be other component with corresponding function or unit.
As it is shown in figure 1, in the present embodiment, baffle fin 10 includes orthogonal the first connected plate 12 and the second plate
11.In other embodiments, as the case may be, the angle between the first plate 12 and the second plate 11 can be other angles.This
In embodiment, the corner location of the first plate 12 is respectively equipped with a screw column 120, and described first power device is threaded connection
Gu on four screw columns 120.In other embodiments, in other embodiments, screw column 120 number on the first plate 12
And/or the position of each screw column 120 can be set as the case may be.Or, in other embodiments, described first
Power device is fixed on the first plate 12 by other means.As it is shown in figure 1, offer three screwed holes 111 on the second plate 11,
Screw passes three screwed holes 111, is fixed on the second plate 11 by described second power device.Described second power device and
It is coated with heat-conducting silicone grease, to strengthen the heat conduction between described second power device and the second plate 11 between two plates 11.Described second
Power device and described first power device are all contained in the inner side of baffle fin 10, and the most described second power device is with described
First power device is all contained in the second plate 11 and the first plate 12 side in opposite directions.In other embodiments, the spiral shell on the second plate 11
Pit 111 can arrange the screwed hole 111 of other numbers.Or, in other embodiments, described second power device passes through it
His mode is fixed on the second plate 11.
As depicted in figs. 1 and 2, the first plate 12 is further opened with on four screwed holes the 121, second plate 11 being further opened with two
Screwed hole 110, screw passes each screwed hole 121 and each screwed hole 110, is fixed with the second plate 11 by the first plate 12, thus
By whole baffle fin 10, the most whole low pressure components is fixed on peripheral heat-radiating substrate 20, makes baffle fin 10
Outside offsets with peripheral heat-radiating substrate 20.Wherein, the side that the first plate 12 deviates from the second plate 11 phase, i.e. baffle fin
The outside of 10 is coated with heat-conducting silicone grease, described heat-conducting silicone grease between baffle fin 10 and peripheral heat-radiating substrate 20, with
Strengthen the heat conduction between baffle fin 10 and peripheral heat-radiating substrate 20.In other embodiments, baffle fin 10 can
It is fixed in other ways on peripheral heat-radiating substrate 20 to adopt.
Baffle fin 10 by possessing high-termal conductivity, the material of good electrical magnetic shield performance is made.Preferably, baffle
Fin 10 is made up of metal material.
Thus, the low pressure components of the present embodiment, by being fixed on power device on baffle fin, and at power device
Heat-conducting silicone grease it is coated with between part and baffle fin；Whole low pressure components is fixed on peripheral heat-radiating substrate, and in low pressure
It is coated with heat-conducting silicone grease between assembly and peripheral heat-radiating substrate, thus, it is to avoid the accumulation of heat on low pressure components, enhances low pressure
The heat conductivility of assembly.It is additionally, since the employing of baffle fin and there is high-termal conductivity, the material system of good electrical magnetic shield performance
Become, also thus be able to avoid high potential assembly or other components, the circuit unit electromagnetic interference to low pressure components.
The above, detailed description of the invention the most of the present utility model, but protection domain of the present utility model does not limit to
In this, any those familiar with the art, in the technical scope that this utility model discloses, can expect each easily
Planting amendment or the replacement of equivalence, these amendments or replacement all should be contained within protection domain of the present utility model.Therefore, this reality
Should be as the criterion with scope of the claims with novel protection domain.
Claims (6)
1. it is applied to a low pressure components for 3.3kW air-cooled AC/DC changer, outside described 3.3kW air-cooled AC/DC changer has
Enclose heat-radiating substrate, it is characterised in that
Described low pressure components includes the first power device, the second power device and baffle fin, described baffle fin
Including the first plate being connected in angle and the second plate, described first power device is fixed on described first plate；Described second merit
Rate device is installed on described second plate, is coated with heat-conducting silicone grease, and institute between described second power device and described second plate
State the second power device and described first power device and be respectively positioned on the inner side of described baffle fin；Described baffle fin
Being fixed on described peripheral heat-radiating substrate, the outside of described baffle fin supports with described peripheral heat-radiating substrate, described suction
Receive and be coated with described heat-conducting silicone grease between the outside of plate fin and described peripheral heat-radiating substrate.
Low pressure components the most according to claim 1, it is characterised in that described second power device is threaded connection fixing
On described second plate.
Low pressure components the most according to claim 1 and 2, it is characterised in that described second power device is metal-oxide
Semiconductor transistor.
Low pressure components the most according to claim 1, it is characterised in that described first plate is provided with screw column, described first
Power device is threaded connection and is fixed on described screw column.
5. according to the low pressure components described in claim 1 or 4, it is characterised in that described first power device is low pressure printing electricity
Road board component.
Low pressure components the most according to claim 1, it is characterised in that described baffle fin is by electromagnetic shielding material system
Become.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620577275.6U CN205754011U (en) | 2016-06-14 | 2016-06-14 | A kind of low pressure components being applied to 3.3kW air-cooled AC/DC changer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620577275.6U CN205754011U (en) | 2016-06-14 | 2016-06-14 | A kind of low pressure components being applied to 3.3kW air-cooled AC/DC changer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205754011U true CN205754011U (en) | 2016-11-30 |
Family
ID=57385678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620577275.6U Active CN205754011U (en) | 2016-06-14 | 2016-06-14 | A kind of low pressure components being applied to 3.3kW air-cooled AC/DC changer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205754011U (en) |
-
2016
- 2016-06-14 CN CN201620577275.6U patent/CN205754011U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |