CN106300906A - A kind of power adaptation box structure - Google Patents
A kind of power adaptation box structure Download PDFInfo
- Publication number
- CN106300906A CN106300906A CN201610769767.XA CN201610769767A CN106300906A CN 106300906 A CN106300906 A CN 106300906A CN 201610769767 A CN201610769767 A CN 201610769767A CN 106300906 A CN106300906 A CN 106300906A
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- CN
- China
- Prior art keywords
- adaptation box
- power adaptation
- power
- boosting
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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)
- Casings For Electric Apparatus (AREA)
- Dc-Dc Converters (AREA)
- Rectifiers (AREA)
Abstract
The invention belongs to avionics field, especially relate to a kind of power adaptation box structure.Limited by installing space on machine, require that power adaptation box is while realizing set function, power adaptation box internal power device need to be carried out rational deployment, to greatest extent its thermal losses produced is carried out heat loss through conduction, whole power adaptation box operating temperature is made to maintain level of security, to avoid power adaptation box in the case of working long hours to cross cause thermal damage.The present invention provides a kind of power adaptation box structure, under conditions of dimensional space is very limited, power adaptation box internal power device, energy storage device, power board are laid out, while guaranteeing that power adaptation box realizes function, farthest its endogenous pyrogen device is carried out heat loss through conduction, power adaptation box operating temperature is made to maintain level of security, it is ensured that power adaptation box reliably working.
Description
Technical field
The invention belongs to avionics field, especially relate to a kind of power adaptation box structure.
Background technology
Assemble the many types of aircrafts such as air force, naval and Lu Hang in Flight Data Record System for Aircraft since, repeatedly occur in electromotor
When start button presses 4 seconds～7 seconds or aircraft energizer proceeds to the machine power source moment, there is note in Flight Data Record System for Aircraft
Record data interruption, then restarts the situation of record.According to Flight Data Record System for Aircraft recorded data analysis and combine
Test chamber is verified, when ground power supply proceeds to machine power source, or during machine power source start-up course, owing to the switching of power supply causes input
The power-off of power supply short time.Or due to the impact of power supply rear end electric loading, cause electric power output voltage to drag down, so that flight parameter
The work of record system is abnormal, and data are formed interrupts.For solving this problem, power supply need to be increased in Flight Data Record System for Aircraft front end
Adaptive box.In circuit design, power adaptation box utilizes boosting DC/DC device, voltage stabilizing DC/DC device, Large Copacity storage capacitor
With control circuit etc., it is ensured that Flight Data Record System for Aircraft is when experiencing low pressure input or short time power-off, and it can obtain stable
Power input voltage, keeps normal work.
Being limited by installing space on machine, the physical dimension 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, therefore it is required that power adaptation box is realizing the same of set function
Time, power adaptation box internal power device need to be carried out rational deployment, to greatest extent its thermal losses produced be carried out conduction and dissipates
Heat, makes whole power adaptation box operating temperature maintain level of security, to avoid power adaptation box mistake in the case of working long hours
Cause thermal damage.On node configuration, power adaptation box to have enough intensity and rigidity to keep its inner components in varying environment
Stable performance under state, it need to ensure installing/dismounting and easy to maintenance, and structure is reliable.
Summary of the invention
The technical problem to be solved is: provide a kind of power adaptation box structure, very limited in dimensional space
Under conditions of, power adaptation box internal power device, energy storage device, power board are laid out, are guaranteeing power adaptation box
While realizing function, farthest its endogenous pyrogen device is carried out heat loss through conduction, make power adaptation box operating temperature maintain
To level of security, it is ensured that power adaptation box reliably working.
The power adaptation box structure of the present invention, including cover plate, base, power board, boosting DC/DC device, voltage stabilizing DC/
DC device and aerospace connectors, described cover plate and base are passed through overall Milling Process molding by the 2A12 aluminium alloy of T4 state, its
In
Having boss and concave station inside described cover plate, this boss is for the Heat source device with power adaptation box internal electric source panel
Part contact heat radiation, this concave station liner is filled compressibility heat-conducting, is in close contact with the storage capacitor of power board and strengthens
Vibration resistance；Described chassis interior limited location boss, the through hole installing boosting DC/DC device is arranged at bottom, and sidewall has installation voltage stabilizing DC/
The through hole of DC device and the electric interfaces of aerospace connectors.
Further, power board there is bonding wire hole, for voltage stabilizing DC/DC device near voltage stabilizing DC/DC device side
The wire welding of part；Also have on power board and boosting DC/DC device pin pad hole one to one, be used for and boosting
DC/DC device welds.
Further, the diameter in described pad hole is than the boosting DC/DC big 1mm of device pin diameter.
Further, the mask that described base coordinates with aircraft has the installation base stretched out, and it has M4 spiral shell everywhere
Nail, the installation for power adaptation box is fixed.
Further, the heat that described boosting DC/DC device and voltage stabilizing DC/DC device produce is carried out by base in bottom
Heat radiation.
Beneficial effects of the present invention: use the power adaptation box structure of the present invention, to power adaptation box endogenous pyrogen device
Heat radiation, the technique fixing, whole power adaptation box of installing of the bigger device of weight realize having carried out abundant optimization, operability
By force, reliability is high, and space availability ratio is high, and volume is little, easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the structural representation of cover plate of the present invention；
Fig. 2 is the structural representation of base of the present invention；
Fig. 3 is the mounting structure of aerospace connectors in base；
Fig. 4 is the mounting structure of boosting DC/DC device in base；
Fig. 5 is the mounting structure of voltage stabilizing DC/DC device in base；
Fig. 6 is the mounting structure of power board；
Fig. 7 is the fit structure of cover plate of the present invention and base.
Detailed description of the invention
The power adaptation box structure of the present invention is illustrated in conjunction with accompanying drawing:
Power adaptation box main load-carrying construction part is made up of base and cover plate, and both of which is by the 2A12 aluminium alloy warp of T4 state
Cross overall Milling Process molding.2A12 aluminum alloy materials intensity is higher, and heat conductivility is good.Use plate entirety milling molding,
Can reduce the gap produced by the assembling of multiple parts, improve product hermeticity with this, effectively isolation steam enters interiors of products.Lid
Design boss 1 inside plate, for contacting with thermal source device 7 on power board in power adaptation box, thermal source device 7 is passed
Lead heat radiation.Being designed with circular concave station 2 inside cover plate, during assembling, concave station 2 liner fills compressibility heat-conducting, for Large Copacity
Storage capacitor 8 fastens, and strengthens the vibration resistance of Large Copacity storage capacitor 8.Certain product XB-10 power adaptation lid plate, base are illustrated
Figure is as shown in Figure 1, Figure 2 and Figure 7.
Chassis interior is designed with local positive stop lug boss 3, plays spacing fixation when device assembles.Power adaptation box leads to
Crossing 4 M4 screw fixed installations, the one side that this screw installation place and aircraft coordinate also has been stretched out installation base, has so been designed guarantee
Power supply adaptor and aircraft are not to coordinate face-to-face, eliminate and coordinate stress.Base outer surface is designed with strip concave station, this concave station
While ensureing base intensity, increase the surface area of base, beneficially heat and distribute.Electric interfaces is designed with an aviation company
Connect device, the output of power supply after the introducing and conditioning of machine power source.Certain product XB-10 power adaptation box base installs aviation company
Connect the schematic diagram after device as shown in Figure 3.
Utilize four through holes on boosting DC/DC device, boosting DC/DC device is installed the device being fixed to base bottom
On binding face 4.The heat that boosting DC/DC device produces relies primarily on bottom device and dispels the heat, and boosting DC/DC device is directly solid
After determining on base, bottom device fits tightly with base, increases device radiating surface, is favorably improved the heat radiation effect of device
Really.Certain product XB-10 power adaptation box base installs the schematic diagram after boosting DC/DC device as shown in Figure 4.
Utilize two blind holes on voltage stabilizing DC/DC device, voltage stabilizing DC/DC device is installed the device being fixed to base side wall
On binding face 4.The heat that voltage stabilizing DC/DC device produces relies primarily on bottom device and dispels the heat, and voltage stabilizing DC/DC device is directly solid
After determining on base side wall, bottom device fits tightly with base side, increases device radiating surface, is favorably improved device
Radiating effect.Certain product XB-10 power adaptation box base installs the schematic diagram after voltage stabilizing DC/DC device as shown in Figure 5.
Power board is assembled in power adaptation box, and fastens with screw.Power board both sides are near steady
Design row's bonding wire hole 6 at pressure DC/DC device, weld for carrying out wire with voltage stabilizing DC/DC device.Design on power board
With boosting DC/DC device pin pad hole 5 one to one, it is used for welding with boosting DC/DC device.Pad hole 5 diameter
Should the ratio boosting DC/DC big 1mm of device pin diameter, prevent due to machining deviation, causing boosting DC/DC device cannot be accurately with electric
Source panel welding.Certain product XB-10 power adaptation box-packed enter schematic diagram after power board as shown in Figure 6.
After power board is screwed, with wire by corresponding with on power board for voltage stabilizing DC/DC device pin weldering
String holes is welded, and is welded by corresponding with on power board for boosting DC/DC device pad.
Cover plate is assembled.Boss on cover plate is close to thermal source device 7 on power board by heat conductive pad,
Guarantee that the thermal source device 7 on power board can be effectively conducted heat radiation.Concave station on cover plate and Large Copacity storage capacitor 8 are carried out tightly
Closely connected conjunction, strengthens the vibration resistance of electric capacity.On certain product XB-10 power adaptation lid plate and its power board thermal 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 be carried out in physical dimension according to this method for designing
Scaling, reduce, to meet the actual application needs of rear end electrical equipment.
Claims (5)
1. a power adaptation box structure, including cover plate, base, power board, boosting DC/DC device, voltage stabilizing DC/DC device
And aerospace connectors, it is characterised in that: described cover plate is become through overall Milling Process by the 2A12 aluminium alloy of T4 state with base
Type, wherein
Having boss (1) and concave station (2) inside described cover plate, this boss (1) is used for and power adaptation box internal electric source panel
Thermal source device (7) contact heat radiation, this concave station (2) liner fills compressibility heat-conducting, with the storage capacitor of power board
(8) enhancing vibration resistance it is in close contact；
Described chassis interior limited location boss (3), the through hole installing boosting DC/DC device is arranged at bottom, and sidewall has installation voltage stabilizing DC/
The through hole of DC device and the electric interfaces of aerospace connectors.
Power adaptation box structure the most according to claim 1, it is characterised in that: near voltage stabilizing DC/ on power board
There is bonding wire hole (6) DC device side, and the wire for voltage stabilizing DC/DC device welds；Also have on power board and boosting DC/
DC device pin pad hole (5) one to one, for welding with boosting DC/DC device.
Power adaptation box structure the most according to claim 2, it is characterised in that: the diameter of described pad hole (5) is than boosting
The big 1mm of DC/DC device pin diameter.
4. according to the power adaptation box structure according to any one of claim 1-3, it is characterised in that: on described base and aircraft
The mask coordinated has the installation base stretched out, and it has M4 screw hole everywhere, and the installation for power adaptation box is fixed.
Power adaptation box structure the most according to claim 4, it is characterised in that: described boosting DC/DC device and voltage stabilizing DC/
The heat that DC device produces is dispelled the heat by base in bottom.
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 true CN106300906A (en) | 2017-01-04 |
| CN106300906B 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 |
|---|---|
| CN (1) | CN106300906B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109348670A (en) * | 2018-09-11 | 2019-02-15 | 陕西千山航空电子有限责任公司 | A kind of power module structure |
| CN109451688A (en) * | 2018-11-19 | 2019-03-08 | 惠州市奥拓电子科技有限公司 | Power pack |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1697603A (en) * | 2004-05-14 | 2005-11-16 | 欧姆龙株式会社 | Heating element radiating structure |
| CN202142975U (en) * | 2011-07-01 | 2012-02-08 | 江苏宏微科技有限公司 | Intelligent power module |
| JP2016063714A (en) * | 2014-09-22 | 2016-04-25 | 株式会社ノーリツ | Electric device |
| KR20160002675U (en) * | 2016-06-21 | 2016-08-01 | 주식회사 케이엠더블유 | Switching mode power supply |
-
2016
- 2016-08-30 CN CN201610769767.XA patent/CN106300906B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1697603A (en) * | 2004-05-14 | 2005-11-16 | 欧姆龙株式会社 | Heating element radiating structure |
| CN202142975U (en) * | 2011-07-01 | 2012-02-08 | 江苏宏微科技有限公司 | Intelligent power module |
| JP2016063714A (en) * | 2014-09-22 | 2016-04-25 | 株式会社ノーリツ | Electric device |
| KR20160002675U (en) * | 2016-06-21 | 2016-08-01 | 주식회사 케이엠더블유 | Switching mode power supply |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109348670A (en) * | 2018-09-11 | 2019-02-15 | 陕西千山航空电子有限责任公司 | A kind of 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106300906B (en) | 2018-12-14 |
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