CN106300906B - A kind of power adaptation box structure - Google Patents
A kind of power adaptation box structure Download PDFInfo
- Publication number
- CN106300906B CN106300906B CN201610769767.XA CN201610769767A CN106300906B CN 106300906 B CN106300906 B CN 106300906B CN 201610769767 A CN201610769767 A CN 201610769767A CN 106300906 B CN106300906 B CN 106300906B
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- CN
- China
- Prior art keywords
- adaptation box
- power adaptation
- power
- control board
- boosting
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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
-
- 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
- H02M3/00—Conversion of dc power input into dc power output
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention belongs to avionics fields, especially relate to a kind of power adaptation box structure.It is limited by installation space on machine, it is required that power adaptation box is while realizing set function, rational deployment need to be carried out to power device in power adaptation box, the thermal losses generated to greatest extent to it carries out heat loss through conduction, it maintains entire power adaptation box operating temperature to level of security, crosses cause thermal damage to avoid power adaptation box in the case of working long hours.The present invention provides a kind of power adaptation box structure, under conditions of dimensional space is very limited, power device, energy storage device, power control board in power adaptation box are laid out, while ensuring that power adaptation box realizes function, heat loss through conduction is carried out to its inner heat source device to the greatest extent, maintain power adaptation box operating temperature to level of security, it is ensured that power adaptation box reliably working.
Description
Technical field
The invention belongs to avionics fields, especially relate to a kind of power adaptation box structure.
Background technique
Since Flight Data Record System for Aircraft assembles many types of aircrafts such as air force, naval and Lu Hang, engine has repeatedly been appeared in
When start button presses 4 seconds~7 seconds or aircraft energizer is transferred to the power supply moment on machine, and Flight Data Record System for Aircraft is remembered
Data outage is recorded, then the case where restarting record.It analyzes and combines according to Flight Data Record System for Aircraft recorded data
Laboratory's verifying, when ground power supply is transferred on machine power supply start-up course on power supply or machine, since the switching of power supply causes to input
The power-off of power supply short time.Or the influence due to power supply rear end power load, cause electric power output voltage to drag down, so that flight parameter
The work of record system is abnormal, and data, which are formed, interrupts.To solve this problem, power supply need to be increased in Flight Data Record System for Aircraft front end
It is adapted to box.In circuit design, power adaptation box utilizes boosting DC/DC device, pressure stabilizing DC/DC device, large capacity storage capacitor
With control circuit etc., it is ensured that Flight Data Record System for Aircraft can obtain stable when undergoing low pressure input or short time to power off
Power input voltage keeps working normally.
It is limited by installation space on machine, the structure size of power adaptation box is very limited.And various flight parameter record
The rated power of system is not of uniform size, from 50W to 200W etc., therefore it is required that power adaptation box is realizing the same of set function
When, rational deployment need to be carried out to power device in power adaptation box, the thermal losses generated to greatest extent to it carries out conduction and dissipates
Heat maintains entire power adaptation box operating temperature to level of security, to avoid power adaptation box mistake in the case of working long hours
Cause thermal damage.On structural configuration, power adaptation box will have enough intensity and rigidity to keep its inner components in varying environment
Performance under state is stablized, and need to guarantee installing and dismounting and easy to maintain, structure is reliable.
Summary of the invention
The technical problems to be solved by the present invention are: a kind of power adaptation box structure is provided, it is very limited in dimensional space
Under conditions of, power device, energy storage device, power control board in power adaptation box are laid out, ensuring power adaptation box
While realizing function, heat loss through conduction is carried out to its inner heat source device to the greatest extent, maintains power adaptation box operating temperature
To level of security, it is ensured that power adaptation box reliably working.
Power adaptation box structure of the invention, including cover board, pedestal, power control board, boosting DC/DC device, pressure stabilizing DC/
DC device and aerospace connectors, the cover board and pedestal are formed by the 2A12 aluminium alloy of T4 state by whole Milling Process,
In
There are boss and concave station on the inside of the cover board, which is used for and the Heat source device of power adaptation box internal electric source control panel
Part contact heat dissipation, the concave station liner fill compressibility heat-conducting, and being in close contact with the storage capacitor of power control board enhances
Vibration resistance；The chassis interior has positive stop lug boss, and the through-hole of installation boosting DC/DC device is arranged at bottom, and side wall has installation pressure stabilizing DC/
The through-hole of DC device and the electric interfaces of aerospace connectors.
Further, there is bonding wire hole close to pressure stabilizing DC/DC device side on power control board, be used for pressure stabilizing DC/DC device
The conducting wire of part welds；On power control board also have with boosting the one-to-one pad hole of DC/DC device pin, be used for and boosting
DC/DC device is welded.
Further, the diameter of the pad hole is 1mm bigger than boosting DC/DC device pin diameter.
Further, on the pedestal and face of aircraft cooperation has the installation base stretched out, has M4 spiral shell everywhere thereon
Nail hole, the installation for power adaptation box are fixed.
Further, the heat that the boosting DC/DC device and pressure stabilizing DC/DC device generate is carried out in bottom by pedestal
Heat dissipation.
Beneficial effects of the present invention: power adaptation box structure of the invention is used, to power adaptation box inner heat source device
Heat dissipation, the technique realization of fixed, the entire power adaptation box of the installation of the larger device of weight have carried out abundant optimization, operability
By force, high reliablity, space utilization rate is high, small in size, easy to maintain.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of cover board of the present invention；
Fig. 2 is the structural schematic diagram of pedestal of the present invention；
Fig. 3 is the mounting structure of aerospace connectors in pedestal；
Fig. 4 is the mounting structure of boosting DC/DC device in pedestal；
Fig. 5 is the mounting structure of pressure stabilizing DC/DC device in pedestal；
Fig. 6 is the mounting structure of power control board；
Fig. 7 is the fit structure of cover board and pedestal of the present invention.
Specific embodiment
Power adaptation box structure of the invention is illustrated in conjunction with attached drawing:
The main load-carrying construction part of power adaptation box is made of pedestal and cover board, is both passed through by the 2A12 aluminium alloy of T4 state
Cross whole Milling Process molding.2A12 aluminum alloy materials intensity is higher, and heating conduction is good.It is formed using plate entirety milling,
The gap generated by multiple component assemblies can be reduced, so as to improve product hermeticity, effectively completely cuts off steam and enters interiors of products.Lid
Design boss 1 passes heat source device 7 for contacting with heat source device 7 on power adaptation box interior power control panel on the inside of plate
Lead heat dissipation.Design has a round concave station 2 on the inside of cover board, and 2 liner of concave station fills compressibility heat-conducting when assembly, is used for large capacity
Storage capacitor 8 fastens, and enhances the vibration resistance of large capacity storage capacitor 8.Certain product XB-10 power adaptation lid plate, pedestal signal
Figure is as shown in Figure 1, Figure 2 and Figure 7.
Chassis interior design has local positive stop lug boss 3, plays limit fixed function in device assembly.Power adaptation box is logical
It crosses 4 M4 screws to be fixedly mounted, the one side of the screw installation place and aircraft cooperation has also stretched out installation base, and design in this way guarantees
Power supply adaptor and aircraft are not to cooperate face-to-face, eliminate and match combined stress.Base outer surface design has strip concave station, the concave station
While guaranteeing pedestal intensity, the surface area of pedestal is increased, is conducive to heat and distributes.Electric interfaces design has an aviation company
Connect device, on machine after the introducing and conditioning of power supply power supply output.Certain product XB-10 power adaptation box base installs aviation company
Schematic diagram after connecing device is as shown in Figure 3.
Using four through-holes on boosting DC/DC device, DC/DC device installation of boosting is fixed to the device of base bottom
On binding face 4.The heat that boosting DC/DC device generates relies primarily on bottom device and radiates, and boosting DC/DC device is directly solid
After determining onto pedestal, bottom device is fitted closely with pedestal, increases device radiating surface, helps to improve the heat dissipation effect of device
Fruit.Schematic diagram after certain product XB-10 power adaptation box base installation boosting DC/DC device is as shown in Figure 4.
Using two blind holes on pressure stabilizing DC/DC device, the installation of pressure stabilizing DC/DC device is fixed to the device of base side wall
On binding face 4.The heat that pressure stabilizing DC/DC device generates relies primarily on bottom device and radiates, and pressure stabilizing DC/DC device is directly solid
After determining onto base side wall, bottom device is fitted closely with base side, is increased device radiating surface, is helped to improve device
Heat dissipation effect.Schematic diagram after certain product XB-10 power adaptation box base installation pressure stabilizing DC/DC device is as shown in Figure 5.
Power control board is assembled in power adaptation box, and is fastened with screw.Power control board two sides are close to steady
It presses and designs row's bonding wire hole 6 at DC/DC device, for carrying out conducting wire welding with pressure stabilizing DC/DC device.It is designed on power control board
With boosting the one-to-one pad hole 5 of DC/DC device pin, for boosting DC/DC device welded.5 diameter of pad hole
Should be 1mm bigger than boosting DC/DC device pin diameter, prevent due to machining deviation, cause to boost DC/DC device can not accurately with electricity
The welding of source control panel.Certain product XB-10 power adaptation it is box-packed enter power control board after schematic diagram it is as shown in Figure 6.
After power control board is screwed, with conducting wire by pressure stabilizing DC/DC device pin it is corresponding on power control board weldering
String holes welding, is welded pad is corresponded on boosting DC/DC device and power control board.
Cover board is assembled.Boss on cover board is close to by heat conductive pad with heat source device 7 on power control board,
Ensure that the heat source device 7 on power control board can be effectively conducted heat dissipation.Concave station and large capacity storage capacitor 8 on cover board carry out tightly
Closely connected conjunction enhances the vibration resistance of capacitor.On certain product XB-10 power adaptation lid plate and its power control board heat source device 7 and
The assembling schematic diagram of storage capacitor 8 is as shown in Figure 7.
According to the actual power loss of rear end electrical equipment, power adaptation box can carry out in structure size according to the design method
Ratio enlargement, diminution, to meet the practical application needs of rear end electrical equipment.
Claims (4)
1. a kind of power adaptation box structure, including cover board, pedestal, power control board, boosting DC/DC device, pressure stabilizing DC/DC device
And aerospace connectors, it is characterised in that: the cover board and pedestal by T4 state 2A12 aluminium alloy by whole Milling Process at
Type, wherein
There are boss (1) and concave station (2) on the inside of the cover board, which is used for and power adaptation box internal electric source control panel
Heat source device (7) contact heat dissipation, concave station (2) liner fill compressibility heat-conducting, the storage capacitor with power control board
(8) it is in close contact enhancing vibration resistance；
The chassis interior has positive stop lug boss (3), and the through-hole of installation boosting DC/DC device is arranged at bottom, and side wall has installation pressure stabilizing DC/
The through-hole of DC device and the electric interfaces of aerospace connectors；
There are bonding wire hole (6) close to pressure stabilizing DC/DC device side on power control board, the conducting wire for pressure stabilizing DC/DC device welds
It connects；Also have and boost the one-to-one pad hole of DC/DC device pin (5) on power control board, be used for and boost DC/DC device
Part is welded.
2. power adaptation box structure according to claim 1, it is characterised in that: the diameter of the pad hole (5) is than boosting
The big 1mm of DC/DC device pin diameter.
3. power adaptation box structure described in any one of -2 according to claim 1, it is characterised in that: on the pedestal and aircraft
The face of cooperation has the installation base stretched out, thereon there is M4 screw hole, the installation for power adaptation box everywhere to fix.
4. power adaptation box structure according to claim 3, it is characterised in that: the boosting DC/DC device and pressure stabilizing DC/
The heat that DC device generates is radiated in bottom by pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610769767.XA CN106300906B (en) | 2016-08-30 | 2016-08-30 | A kind of power adaptation box structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610769767.XA CN106300906B (en) | 2016-08-30 | 2016-08-30 | A kind of power adaptation box structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106300906A CN106300906A (en) | 2017-01-04 |
| CN106300906B true CN106300906B (en) | 2018-12-14 |
Family
ID=57675178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610769767.XA Active CN106300906B (en) | 2016-08-30 | 2016-08-30 | A kind of power adaptation box structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN106300906B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109348670B (en) * | 2018-09-11 | 2021-05-04 | 陕西千山航空电子有限责任公司 | Power module structure |
| CN109193370A (en) * | 2018-09-19 | 2019-01-11 | 贵州天义电器有限责任公司 | A kind of power distribution equipment |
| CN109347308A (en) * | 2018-11-16 | 2019-02-15 | 陕西千山航空电子有限责任公司 | A kind of power switching box structure |
| CN109451688A (en) * | 2018-11-19 | 2019-03-08 | 惠州市奥拓电子科技有限公司 | Power pack |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4433875B2 (en) * | 2004-05-14 | 2010-03-17 | オムロン株式会社 | Heat dissipating structure of heat generating component and method of manufacturing heat dissipating member in this heat dissipating structure |
| CN202142975U (en) * | 2011-07-01 | 2012-02-08 | 江苏宏微科技有限公司 | Intelligent power module |
| JP6388252B2 (en) * | 2014-09-22 | 2018-09-12 | 株式会社ノーリツ | Electrical equipment |
| KR200483570Y1 (en) * | 2016-06-21 | 2017-05-30 | 주식회사 케이엠더블유 | Switching mode power supply |
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2016
- 2016-08-30 CN CN201610769767.XA patent/CN106300906B/en active Active
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| Publication number | Publication date |
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| CN106300906A (en) | 2017-01-04 |
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