CN207166928U - A kind of anti-interference aviation programmable power supply case - Google Patents
A kind of anti-interference aviation programmable power supply case Download PDFInfo
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- CN207166928U CN207166928U CN201721232933.9U CN201721232933U CN207166928U CN 207166928 U CN207166928 U CN 207166928U CN 201721232933 U CN201721232933 U CN 201721232933U CN 207166928 U CN207166928 U CN 207166928U
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- casing
- power supply
- interference
- aviation
- programmable power
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Abstract
The utility model discloses a kind of anti-interference aviation programmable power supply case, it is related to aviation corollary equipment technical field, the utility model includes casing (1), insertion is provided with two pieces of shielded partitions (2) parallel to casing (1) short side in the casing (1), the inner space of casing (1) is separated into interference source region (3) by the shielded partitions (2) successively, commonplace components area (4), Sensitive Apparatus area (5), the utility model has electromagnetic interference of the reduction electromagnetic driver to Sensitive Apparatus, the advantages of improving aviation programmable power supply case interference free performance.
Description
Technical field
Aviation corollary equipment technical field is the utility model is related to, more particularly to a kind of anti-interference aviation program control
Power supply box processed.
Background technology
Electro Magnetic Compatibility (EMC) refers to that equipment or system meet the requirements operation not in its environment in its electromagnetic environment
Any equipment produce the ability of intolerable electromagnetic disturbance.Therefore, EMC includes the requirement of two aspects:On the one hand refer to
Equipment is in normal course of operation to electromagnetic disturbance caused by the environment of place no more than certain limit value；On the other hand refer to set
It is standby that there is a certain degree of immunity to interference, i.e. electromagnetic susceptibility (i.e. EMS) to electromagnetic disturbance present in the environment of place.With electronics
Technology is applied growing, and electronic equipment becomes increasingly complex, and electromagnetic environment is increasingly severe, and it have impact on electronic equipment and system
Normal work and performance.One good electronic product of performance must take into consideration electromagnetic compatibility problem, can neither have electromagnetic radiation to do
Disturb the normal work of other electronic equipments, possess relatively low susceptibility again, can resist as defined in electromagnetic interference.Aviation electronics is set
The standby limitation to volume, quality and power consumption is very harsh.The especially programmable power supply case of aviation, it is by a variety of work(
Together, integrated installation saves space limited on aircraft to the line combination of energy in programmable power supply case.It is but this integrated
Change design and bring the problem of new again, interference source and Sensitive Apparatus are more in power supply box, and signal transmssion line is more, and space is small, mutually it
Between easily cause interference, if disturbing effect is serious, system down will be caused, in some instances it may even be possible to produce serious failure.
Utility model content
The purpose of this utility model is：In order to solve complex circuit in the aviation programmable power supply case of prior art,
Interference, the problem of influenceing equipment safety operation from each other be present, the utility model provides a kind of anti-interference aviation programme-control
Power supply box.
The utility model specifically uses following technical scheme to achieve these goals：
A kind of anti-interference aviation programmable power supply case, including casing, in the casing through be provided with two pieces parallel to
The shielded partitions of casing short side, the shielded partitions by the inner space of casing successively be separated into interference source region, commonplace components area,
Sensitive Apparatus area.
Preferably, the casing includes bottom plate, long side heat sink and short side eyelet strip, the bottom plate, long side radiating
Plate is connected by seam locating slot respectively with short side eyelet strip.
Lead to preferably, being offered on the short side eyelet strip for the line throughhole through various circuits, the circuit
A circle metallic shield bar is provided with hole.
Preferably, also including slide cover, it is additionally provided with the upper opening of the casing for installing slide cover
Chute.
Preferably, the surrounding of the slide cover is additionally provided with metallic shield bar.
The beneficial effects of the utility model are as follows：
1. interference source and Sensitive Apparatus are more in the aviation programmable power supply case of prior art, especially electromagnetic driver,
It is most important high-power interference source, but electromagnetic driver is as part mostly important in aviation programmable power supply case
It is easy to wiring, traditional approach is to be installed in casing center, although so facilitating wiring, to all devices in casing
Interference be all more serious；Anti-interference aviation programmable power supply case of the present utility model, using shielded partitions by casing
Inside carries out subregion arrangement, casing specifically is separated into interference source region, commonplace components area and Sensitive Apparatus area, by electromagnetic driver
Interference source region is placed into, then the relatively low device of susceptibility is integrated into commonplace components area, Sensitive Apparatus is finally arranged into sensitivity
Device region, interference of the interference source to device is gradually reduced using the effect of shielded partitions, increase Sensitive Apparatus and interference source away from
From so as to which reduction electromagnetic driver to the electromagnetic interference of Sensitive Apparatus, improves aviation programmable power supply case in terms of two
Interference free performance.
2. in aviation programmable power supply case component it is numerous, it is necessary to effectively fan heat, if increase ventilating fan radiated,
Electromagnetic interference is easily diffused out into casing, flight safety is impacted, long side is designed to that long side dissipates by the utility model casing
Hot plate, equidistant groove, increase and the contact area of air are opened up on long side heat sink, so as to improve fan hot property, protected
Hinder the normal work of component in casing.
3. for the ease of power supply box and external cabling, the utility model has opened up line throughhole on short side eyelet strip, side
Just the connection of various circuits, but because line throughhole is directly with ft connection, the problem of electromagnetic leakage be present, this casing enters
One step is provided with a circle metallic shield bar, the continuous current established using metallic shield bar, effectively to electromagnetism in line throughhole
Leakage is obstructed, and is prevented it to be diffused into outside casing, is improved the security of flight.
4. traditional casing edge connection is by the way of flat mouth welding, in aircraft flight, because air-flow is disturbed
The problem of reason, the casing such as dynamic can produce vibration, and electromagnetic leakage easily occurs for flat mouth weld, the utility model utilizes male half coupling
Worked in coordination clamping with concave mouth, without unnecessary connector, body edge junction just can be made more stable, it is not easy in vibration
Depart from, keep the continuity of electric current, so as to effectively shield electromagnetic interference, improve stabilization of equipment performance.
5. the power supply box of aviation needs to be checked after each flight, traditional cover plate is to be connected to case by knob
On body, awing not only easily vibration releases, and does not allow also in maintenance quick detachable, and the utility model is by deck design into slip
Form, cover plate is installed using chute, increase and the contact point of casing, it is not easy to dismounting is easily facilitated while releasing, just
The later stage repair and maintenance.
6. in flight course, because air-flow etc. disturbs, power supply box can vibrate, and the cover plate being slidably connected can be in small model
Interior movement is enclosed, once moving range is excessive, bucking current can be caused to interrupt, cause electromagnetic exposure, the utility model further exists
The surrounding of cover plate is provided with metallic shield bar, and metallic shield bar has certain elasticity, even if cover plate slides, can also ensure screen
The continuity of electric current is covered, improves the job stability of power supply box.
Brief description of the drawings
Fig. 1 is the anti-interference aviation programmable power supply box structure figure of utility model；
Fig. 2 is the utility model slide cover scheme of installation；
Fig. 3 is front view of the present utility model；
Fig. 4 is the utility model side view；
Reference：1- casings；11- bottom plates；12- long side heat sink 13- short side eyelet strips；2- shielded partitions；3- is disturbed
Source region；4- commonplace components area；5- Sensitive Apparatuses area；6- line throughholes；7- slide covers；8- chutes.
Embodiment
In order to which those skilled in the art are better understood from the utility model, 1-4 and following examples below in conjunction with the accompanying drawings
The utility model is described in further detail.
Embodiment 1
As illustrated, the present embodiment provides a kind of anti-interference aviation programmable power supply case, including casing 1, the material of casing
Expect to be provided with two pieces parallel to the short side of casing 1 for Ni-Cr-Ti type austenitic stainless steels thick 1mm, the interior insertion of the casing 1
Shielded partitions 2, the height of shielded partitions 2 are slightly less than the height of casing side, and the shielded partitions 2 are by the inner space of casing 1
Interference source region 3, commonplace components area 4, Sensitive Apparatus area 5 are separated into successively.
The operation principle of the present embodiment is as follows：Interference source and Sensitive Apparatus in the aviation programmable power supply case of prior art
More, especially electromagnetic driver is most important high-power interference source, but electromagnetic driver is as aviation programmable power supply case
Interior mostly important part, for the ease of wiring, traditional approach is to be installed in casing center, is connect although so facilitating
Line, but the interference to all devices in casing is all more serious；The present embodiment is using two panels shielded partitions 2 by casing 1
Portion carries out subregion arrangement, and casing specifically is separated into interference source region 3, commonplace components area 4 and 5 three, Sensitive Apparatus area functional areas,
Electromagnetic driver is placed into interference source region 3, then the relatively low device of susceptibility is integrated into commonplace components area 4, finally by sensitivity
Device arrangements gradually reduce interference of the interference source to device, increase is sensitive to Sensitive Apparatus area 5 using the effect of shielded partitions 2
The distance of device and interference source, so as to reduce electromagnetic driver in terms of two to the electromagnetic interference of Sensitive Apparatus, improve aviation
The interference free performance of programmable power supply case.
Embodiment 2
The present embodiment has made following optimization on the basis of embodiment 1：The casing 1 of the present embodiment include a piece of bottom plate 11,
Two panels long side heat sink 12 and two panels short side eyelet strip 13, the bottom plate 11, long side heat sink 12 and short side eyelet strip 13 divide
Do not connected by seam locating slot.
The operation principle of the present embodiment is as follows：Traditional casing edge connection is by the way of flat mouth welding, in aircraft
In flight course, due to reasons such as flow perturbations, casing can produce vibration, and asking for electromagnetic leakage easily occurs for flat mouth weld
Topic, the present embodiment are worked in coordination the seam locating slot of clamping using male half coupling and concave mouth, without unnecessary connector, just can make case
The edge junction of body 1 is more stable, it is not easy to departs from vibration, keeps the continuity of electric current, so as to which effectively shielding electromagnetism is done
Disturb, improve stabilization of equipment performance.
Embodiment 3
The present embodiment has made following optimization on the basis of embodiment 1：Offered on the short side eyelet strip 13 of the present embodiment
Multiple line throughholes 6 being used for through various circuits, are provided with a circle metallic shield bar in the line throughhole 6.
The operation principle of the present embodiment is as follows：For the ease of power supply box and external cabling, the present embodiment is in short side eyelet strip
Line throughhole 6 has been opened up on 13, has facilitated the connection of various circuits, but because line throughhole 6 is directly with ft connection, exist
The problem of electromagnetic leakage, this casing 1 are further provided with a circle metallic shield bar in line throughhole, built using metallic shield bar
Vertical continuous current, is effectively obstructed to electromagnetic leakage, prevents it to be diffused into outside casing, improves the security of flight.
Embodiment 4
The present embodiment has made following optimization on the basis of embodiment 1：The present embodiment also includes slide cover 7, the case
The chute 8 for installing slide cover 7 is additionally provided with the upper opening of body 1.Further, the slide cover 7 of the present embodiment
Surrounding be additionally provided with metallic shield bar.
The operation principle of the present embodiment is as follows：The power supply box of aviation needs to be checked after each flight, traditional
Cover plate is to be connected to by knob on casing, and awing not only easily vibration releases, and does not allow quick detachable, this reality also in maintenance
Form of the example by deck design into slip is applied, slide cover 7, increase and the contact point of casing 1 are installed using chute 8, do not allowed
Dismounting is easily facilitated while easily releasing, facilitates the repair and maintenance in later stage.In flight course, because air-flow etc. disturbs, electricity
Source case can vibrate, and the slide cover 7 being slidably connected can move in a small range, once moving range is excessive, can cause to shield
Current interruptions are covered, cause electromagnetic exposure, the utility model is further provided with metallic shield bar in the surrounding of slide cover 7, gold
Belonging to shielding strip has certain elasticity, even if large range of slip occurs for slide cover 7, can also ensure the continuous of bucking current
Property, improve the job stability of power supply box.
It is described above, preferred embodiment only of the present utility model, not limiting the utility model, the utility model
Scope of patent protection be defined by claims, it is every to be equal with what specification of the present utility model and accompanying drawing content were made
Structure change, similarly it should be included in the scope of protection of the utility model.
Claims (5)
1. a kind of anti-interference aviation programmable power supply case, including casing (1), it is characterised in that：Insertion peace in the casing (1)
Shielded partitions (2) equipped with two pieces parallel to casing (1) short side, the shielded partitions (2) by the inner space of casing (1) successively
It is separated into interference source region (3), commonplace components area (4), Sensitive Apparatus area (5).
2. anti-interference aviation programmable power supply case as claimed in claim 1, it is characterised in that：The casing (1) includes bottom
Plate (11), long side heat sink (12) and short side eyelet strip (13), the bottom plate (11), long side heat sink (12) and short side are worn
Line plate (13) is connected by seam locating slot respectively.
3. anti-interference aviation programmable power supply case as claimed in claim 2, it is characterised in that：The short side eyelet strip (13)
On offer for the line throughhole (6) through various circuits, is provided with a circle metallic shield bar in the line throughhole (6).
4. the anti-interference aviation programmable power supply case as described in claim 1-3 is any, it is characterised in that：Also include slide lid
Plate (7), the chute (8) for installing slide cover (7) is additionally provided with the upper opening of the casing (1).
5. anti-interference aviation programmable power supply case as claimed in claim 4, it is characterised in that：The slide cover (7)
Surrounding is additionally provided with metallic shield bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232933.9U CN207166928U (en) | 2017-09-25 | 2017-09-25 | A kind of anti-interference aviation programmable power supply case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721232933.9U CN207166928U (en) | 2017-09-25 | 2017-09-25 | A kind of anti-interference aviation programmable power supply case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207166928U true CN207166928U (en) | 2018-03-30 |
Family
ID=61723917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721232933.9U Active CN207166928U (en) | 2017-09-25 | 2017-09-25 | A kind of anti-interference aviation programmable power supply case |
Country Status (1)
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| CN (1) | CN207166928U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907956A (en) * | 2019-12-06 | 2020-03-24 | 中国空空导弹研究院 | Aircraft-mounted anti-interference satellite positioning assembly test system |
-
2017
- 2017-09-25 CN CN201721232933.9U patent/CN207166928U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907956A (en) * | 2019-12-06 | 2020-03-24 | 中国空空导弹研究院 | Aircraft-mounted anti-interference satellite positioning assembly test system |
| CN110907956B (en) * | 2019-12-06 | 2023-03-24 | 中国空空导弹研究院 | Aircraft-mounted anti-interference satellite positioning assembly test system |
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