CN209526995U - A kind of electromagnetic shielding DC power supply - Google Patents
A kind of electromagnetic shielding DC power supply Download PDFInfo
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- CN209526995U CN209526995U CN201821793069.4U CN201821793069U CN209526995U CN 209526995 U CN209526995 U CN 209526995U CN 201821793069 U CN201821793069 U CN 201821793069U CN 209526995 U CN209526995 U CN 209526995U
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- bottom plate
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Abstract
The utility model discloses a kind of electromagnetic shielding DC power supplies, belong to power-supply device technical field.It includes cabinet and power module and auxiliary circuit in cabinet, case front panel, rear panel, left plate, right side plate, the place of being connected to each other of top plate and bottom plate all has step structure, mutual corresponding step structure is with recessed to the split each other of convex mode, the step height of headers/footers is less than the step height of four edge of frame up/down, shielding material is equipped in gap area, power module and auxiliary circuit are individually fixed in the left and right sides region of bottom plate, air inlet and air outlet are respectively equipped at the position of face power module on front panel and rear panel, fan is equipped in cabinet at air outlet, wave-guide intake is equipped at air inlet and air outlet.The utility model light structure, rationally distributed, good heat dispersion performance, while there is good electromagnetic shielding performance.
Description
Technical field
The utility model relates to power-supply device technical fields, particularly relate to a kind of electromagnetic shielding DC power supply.
Background technique
Current power case structure mostly uses metal plate bending welding structure, and that there are intensity is low, flat for this structure type
The problem of whole degree difference, and it is difficult to realize the electromagnetic shielding requirements to electronic equipment in many cases.
As electronic device works environment becomes increasingly complex, corresponding design requirement is also being continuously improved.Specifically, it needs
It wants equipment in complicated electromagnetic environment, can either work normally, while other systems and equipment cannot be interfered again.Such as
Fruit electromagnetic shielding does not reach requirement, and will result in the failure of equipment and deactivates, or even brings economy and the injury of personnel.
Currently, the shielding case of DC power supply mainly uses metal plate bending to form, the material therefor of this cabinet is generally
Sheet metal is easily deformed, poor with the gluing, sealing of shielding material, easily causes electromagnetic leakage.On the other hand, this material
Expect poor plasticity, is not easy to meet the processing of functional requirement shape.For this purpose, the thickness of metal material can be improved, still, thickness
Raising can correspondingly bring cabinet volume increase, cabinet weight increase, heat-sinking capability decline the problems such as.
Utility model content
In view of this, the utility model proposes a kind of electromagnetic shielding DC power supply, light structure, rationally distributed, heat dissipation
Better performances, while there is good electromagnetic shielding performance.
Based on above-mentioned purpose, technical solution provided by the utility model is:
A kind of electromagnetic shielding DC power supply, power module and auxiliary circuit including cabinet and in cabinet are described
Cabinet is equipped with exchange input interface and DC output interface；The cabinet include front panel, rear panel, left plate, right side plate,
Top plate and bottom plate, front panel, rear panel, left plate, right side plate surround the frame of cabinet jointly, top plate and bottom plate respectively with side
Frame fastens, front panel, rear panel, left plate, right side plate, top plate and bottom plate the place of being connected to each other all have step structure, it is preceding
When panel, rear panel, left plate, right side plate, top plate and bottom plate are assembled into cabinet, mutual corresponding step structure is with recessed to convex
Mode split each other, the step heights of headers/footers is less than the step height of four edge of frame up/down, to make headers/footers
Boss and frame concave station between there is gap area, be equipped with shielding material in the gap area, front panel, rear panel,
It is connected between left plate, right side plate, top plate and bottom plate with screw；The power module and auxiliary circuit are individually fixed in bottom
Be respectively equipped at the position of face power module in the left and right sides region of plate, on the front panel and rear panel air inlet and
Air outlet, the cabinet is interior to be equipped with fan at air outlet, is equipped with wave-guide intake at the air inlet and air outlet.
Specifically, the shielding material is beryllium copper reed or conductive rubber.
Specifically, the inside and outside two sides of the left plate and right side plate all has groove milling, the lower surface of the bottom plate also has
Groove milling.
Specifically, being additionally provided with power switch and power supply indicator on the cabinet.
From narration above as can be seen that the beneficial effect of technical solutions of the utility model is:
1, the cabinet of the utility model is formed using six pieces of independent sidings are assorted, compared to the prior art in metal plate folding
Curved welded structure again, the cabinet of the utility model are more easily processed, and machining accuracy is higher, and the flatness of contact surface is more
It is good, there is better shielding properties.
2, only electromagnetic sealing material need to be arranged in the stitching portion of plate in the utility model, can greatly reduce electromagnetic sealing
The usage amount of material, to reduce cost.
3, the utility model interior layout is reasonable, and heat dissipation performance is good.
4, further, the utility model is made that groove milling on side plate and bottom plate, can mitigate the weight of cabinet, and expand
The heat dissipation area of big cabinet outer wall.
Detailed description of the invention
In order to clearly describe this patent, one or more attached drawing is provided below, these attached drawings are intended to this patent
Background technique, technical principle and/or certain specific embodiments make aid illustration.It should be noted that these attached drawings can
It some have been described and belongs to known in those of ordinary skill in the art often in this patent word segment to provide not providing
The detail of knowledge；Also, because those skilled in the art can combine the published word content of this patent completely
And/or accompanying drawing content, more attached drawings are designed in the case where not paying any creative work, therefore these attached drawings below
All technical solutions that this patent word segment is described can be covered or not cover.In addition, these attached drawings is specific interior
Contain and the word content in conjunction with this patent is needed to be determined, is tied when some in the word content and these attached drawings of this patent is obvious
When structure is not consistent, needing the narration of common knowledge and this patent other parts in conjunction with this field to carry out comprehensive descision on earth is this
There are exist to draw mistake in clerical mistake or attached drawing for the word segment of patent.Particularly, the following drawings is the figure of exemplary in nature
Piece, it is not intended that imply the protection scope of this patent, those skilled in the art are by reference to text disclosed in this patent
Word content and/or accompanying drawing content can design more attached drawings in the case where not paying any creative work, these are new
Technical solution representated by attached drawing is still within the protection scope of this patent.
Fig. 1 is the schematic diagram of internal structure that DC power supply is electromagnetically shielded in the utility model embodiment；
Fig. 2 is one jiao of frame in Fig. 1 of partial enlarged view；
Fig. 3 is the split structural schematic diagram between top plate and frame；
Fig. 4 is the circuit theory schematic diagram that DC power supply is electromagnetically shielded in the utility model embodiment.
Specific embodiment
Understanding for the ease of those skilled in the art to the art of this patent scheme, meanwhile, in order to make the technology of this patent
Purpose, technical scheme and beneficial effects are clearer, and support the protection scope of claims sufficiently, below with tool
The form of body case makes further, more detailed description to the technical solution of this patent.
As shown in figures 1-4, a kind of electromagnetic shielding DC power supply, 1 He of power module including cabinet and in cabinet
Auxiliary circuit 2, the cabinet are equipped with exchange input interface and DC output interface 3；The cabinet includes front panel, back
Plate, left plate, right side plate, top plate and bottom plate, front panel, rear panel, left plate, right side plate surround the frame of cabinet jointly,
Top plate 7 and bottom plate are fastened with frame 6 respectively.Front panel, rear panel, left plate, right side plate, top plate and bottom plate are connected to each other
Place all has step structure, for example, boss 62 and concave station 61 are as shown in Fig. 2, frame apical margin has boss 62 and concave station 61
The step structure of frame apical margin.When front panel, rear panel, left plate, right side plate, top plate and bottom plate are assembled into cabinet, mutually
For corresponding step structure with recessed to the split each other of convex mode, the step height of headers/footers is less than the platform of four edge of frame up/down
Rank height, thus make that there is gap area (as shown in Figure 3) between the boss of headers/footers and the concave station of frame, the gap
Shielding material 63 is equipped in region.Connected between front panel, rear panel, left plate, right side plate, top plate and bottom plate with screw
It connects.The power module 1 and auxiliary circuit 2 are individually fixed in the left and right sides region of bottom plate, the front panel and rear panel
On be respectively equipped with air inlet 42 and air outlet 41 at the position of face power module, is equipped at air outlet 41 in the cabinet
Fan is equipped with wave-guide intake at the air inlet and air outlet.
Specifically, the shielding material 63 is beryllium copper reed or conductive rubber.
Specifically, the inside and outside two sides of the left plate and right side plate all has groove milling 5, the lower surface of the bottom plate also has
Groove milling.
Specifically, being additionally provided with power switch and power supply indicator on the cabinet.
The cabinet of the utility model is formed using six pieces of independent sidings are assorted, and easy to process, machining accuracy is higher, and connects
The flatness of contacting surface is more preferable, has better shielding properties.In order to further enhance shielding properties, it can also make headers/footers
Step height is less than the step height of four edge of frame up/down, and shielding material is arranged in gap.In addition, in the utility model
Portion is rationally distributed, and heat dissipation performance is good, has groove milling on the side plate and bottom plate of cabinet, can mitigate the weight of cabinet, and expand
The heat dissipation area of cabinet.
It is to be appreciated that be intended merely to facilitate this field common for the above-mentioned narration for this patent specific embodiment
Technical staff understands this patent scheme and the exemplary description enumerated, does not imply that the protection scope of this patent is limited solely to
In this few example, those of ordinary skill in the art completely can the art of this patent scheme is made fully understand under the premise of,
In the form of not paying any creative work, by taking combination technique feature, replacement to each example cited by this patent
More technical characteristics etc. mode is added in some technical characteristics, obtains more specific embodiments, all these specific implementations
Mode is within the covering scope of patent claims book, and therefore, these new specific embodiments also should be in this patent
Protection scope within.
In addition, this patent may also not enumerate some ordinary specific embodiments for the purpose for simplifying narration, this
A little schemes are that those of ordinary skill in the art can expect naturally after understanding the art of this patent scheme, it is clear that this
A little schemes should also be included within the protection scope of this patent.
For the purpose for simplifying narration, above-mentioned each specific embodiment may only up to for the extent of disclosure of technical detail
The degree that can voluntarily make a decision to those skilled in the art, that is, there is no disclosed technical detail for above-mentioned specific embodiment,
Those of ordinary skill in the art completely can be in the case where not paying any creative work, in filling for the art of this patent scheme
Divide under prompt, by means of textbook, reference book, paper, patent, audio-visual product etc., open source literature is completed, alternatively, this
A little details are the contents that can voluntarily make decision according to the actual situation under being generally understood of those of ordinary skill in the art.
As it can be seen that will not be impacted to the open adequacy of the art of this patent scheme even if these underground technical details.
In short, on the basis of combining explanation effect of the patent specification to claims protection scope, it is any
Fall into the specific embodiment of patent claims book covering scope, within the protection domain of this patent..
Claims (4)
1. a kind of electromagnetic shielding DC power supply, power module and auxiliary circuit including cabinet and in cabinet, the machine
Case is equipped with exchange input interface and DC output interface；It is characterized in that, the cabinet includes front panel, rear panel, left side
Plate, right side plate, top plate and bottom plate, front panel, rear panel, left plate, right side plate surround the frame of cabinet, top plate and bottom jointly
Plate is fastened with frame respectively, front panel, rear panel, left plate, right side plate, top plate and bottom plate the place of being connected to each other all have platform
Stage structure, when front panel, rear panel, left plate, right side plate, top plate and bottom plate are assembled into cabinet, mutual corresponding Step-edge Junction
For structure with recessed to the split each other of convex mode, the step height of headers/footers is less than the step height of four edge of frame up/down, thus
Make that there is gap area between the boss of headers/footers and the concave station of frame, is equipped with shielding material in the gap area, before
It is connected between plate, rear panel, left plate, right side plate, top plate and bottom plate with screw；The power module and auxiliary circuit point
It is not fixed in the left and right sides region of bottom plate, is set respectively at the position of face power module on the front panel and rear panel
There are air inlet and air outlet, is equipped with fan in the cabinet at air outlet, is equipped with waveguide at the air inlet and air outlet
Vent window.
2. electromagnetic shielding DC power supply according to claim 1, which is characterized in that the shielding material be beryllium copper reed or
Conductive rubber.
3. electromagnetic shielding DC power supply according to claim 1, which is characterized in that the left plate and right side plate it is inside and outside
Two sides all has groove milling, and the lower surface of the bottom plate also has groove milling.
4. electromagnetic shielding DC power supply according to claim 1, which is characterized in that be additionally provided with power switch on the cabinet
And power supply indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821793069.4U CN209526995U (en) | 2018-11-01 | 2018-11-01 | A kind of electromagnetic shielding DC power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821793069.4U CN209526995U (en) | 2018-11-01 | 2018-11-01 | A kind of electromagnetic shielding DC power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209526995U true CN209526995U (en) | 2019-10-22 |
Family
ID=68225673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821793069.4U Active CN209526995U (en) | 2018-11-01 | 2018-11-01 | A kind of electromagnetic shielding DC power supply |
Country Status (1)
| Country | Link |
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| CN (1) | CN209526995U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465305A (en) * | 2020-04-01 | 2020-07-28 | 中国电子科技集团公司第五十四研究所 | Electromagnetic shielding CPCI time system case |
| CN112512236A (en) * | 2020-11-19 | 2021-03-16 | 同方电子科技有限公司 | Power supply shell |
-
2018
- 2018-11-01 CN CN201821793069.4U patent/CN209526995U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111465305A (en) * | 2020-04-01 | 2020-07-28 | 中国电子科技集团公司第五十四研究所 | Electromagnetic shielding CPCI time system case |
| CN112512236A (en) * | 2020-11-19 | 2021-03-16 | 同方电子科技有限公司 | Power supply shell |
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