CN204392769U - A kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure - Google Patents
A kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure Download PDFInfo
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- CN204392769U CN204392769U CN201520104544.2U CN201520104544U CN204392769U CN 204392769 U CN204392769 U CN 204392769U CN 201520104544 U CN201520104544 U CN 201520104544U CN 204392769 U CN204392769 U CN 204392769U
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Abstract
A kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure belongs to space remote sensing technical field, and object is to solve the effectiveness difference of prior art existence and the problem of dismounting complex process.The utility model comprises frame assembly, base frame board component, base frame plate cover plate, panel assembly, back shroud, left cover and right cover plate; Left cover and left support plate are positioned at same plane, and right cover plate and right support plate are positioned at same plane, and back shroud is arranged on frame assembly rear end, and base frame board component, base frame plate cover plate and panel assembly are successively set on frame assembly front end; The cavity I that frame assembly, base frame board component, base frame plate cover plate, back shroud composition is closed, the circuit board of all carrying electronic devices and components is all positioned at cavity I; The cavity II that frame assembly, base frame board component, base frame plate cover plate, panel assembly, left cover, right cover plate composition is closed, cavity I is communicated with right filtering unit by the left filtering unit be inlaid on isolation frame about 31 partition wall with cavity II.
Description
Technical field
The utility model belongs to space remote sensing technical field, is specifically related to a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure.
Background technology
The structural behaviour of Space Remote Sensors electric cabinet is except having high specific stiffness, realize the carrying to circuit board and electronics device, its another important performance is exactly to have very high capability of electromagnetic shielding, ensure electric cabinet not by the interference of external electromagnetic environment, also do not affect extraneous electronic equipment simultaneously.For the electric cabinet of Space Remote Sensors, due to its not maintenanceability and high reliability request, require very high to the capability of electromagnetic shielding of electric cabinet.Electric cabinet circuit is complicated, and electronic devices and components are many, need often to carry out debugging and testing, change electronic devices and components, therefore, be convenient to dismounting.
For the electromagnetic wave shielding of electric cabinet, the means in the past adopted are exactly ensure that the electronics components and parts of whole electric cabinet are all encapsulated in the cavity of an airtight mechanical structure composition, by the electromagnetic environment physical separation inside and outside chamber.See accompanying drawing 1 and accompanying drawing 2, comprise base 1, circuit board assemblies 1, circuit board assemblies 23, circuit board assemblies 34, circuit board assemblies 45, cover plate 6, connecting bolt 7, external connector 8, flexible cord 9 and circuit board 10.Circuit board assemblies 1 is arranged on base 1 by the mode that seam overlaps, circuit board assemblies 23 is arranged on circuit board assemblies 1 by the mode that seam overlaps, circuit board assemblies 34 is arranged on circuit board assemblies 23 by the mode that seam overlaps, circuit board assemblies 45 is arranged on circuit board assemblies 34 by the mode that seam overlaps, cover plate 6 is arranged on circuit board assemblies 45 by the mode that seam overlaps, and above-mentioned parts is together in series finally by connecting bolt 7.External connector 8 is arranged on circuit board assemblies 45, welds on the circuit board 10 by flexible cord 9, and other external connector all adopts which to install.Existing defects: the mode all adopting seam to overlap between each part of 1, electric cabinet, the capability of electromagnetic shielding of electric cabinet can well be improved like this, but external connector 8 and circuit board assemblies 45 are matched in clearance, and rubber gasket (rubber gasket does not have electro-magnetic screen function) can not be adopted, leakage field phenomenon can be there is in minim gap, simultaneously, connector is weak link inherently, EMC test also proves that external connector position exists electromagnetic exposure phenomenon, and effectiveness is poor; 2, external connector 8 is arranged on the outer rim of circuit board assemblies 45, welded with circuit board 10 through structure sheet frame by flexible cord 9, when replacing device, sheet frame need machining to change, circuit board need be pulled down from sheet frame like this, external connector 8 and flexible cord 9 solder joint on circuit board 10 is just needed to disconnect, again weld after processing, complex process.
Utility model content
The purpose of this utility model is to propose a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure, solves the effectiveness difference that prior art exists and the problem dismantling complex process.
For achieving the above object, a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure of the present utility model comprises frame assembly, base frame board component, base frame plate cover plate, panel assembly, back shroud, left cover and right cover plate; Described frame assembly comprises lower guideway plate, isolation frame, upper rail plate, right support plate and left support plate, and described isolation frame is arranged on the front end of frame assembly;
Described left cover and left support plate in the same plane, described right cover plate and described right support plate in the same plane, described back shroud is arranged on the rear end of described frame assembly, and base frame board component, base frame plate cover plate and panel assembly are successively set on the front end of described frame assembly;
The cavity I that described frame assembly, base frame board component, base frame plate cover plate, back shroud composition is closed, the circuit board of all carrying electronic devices and components is all positioned at cavity I; The cavity II that frame assembly, base frame board component, base frame plate cover plate, panel assembly, left cover, right cover plate composition is closed, cavity I is communicated with right filtering unit by the left filtering unit be inlaid on the partition wall of isolation frame left and right with cavity II.
The circuit board of described base frame board component is connected with the mother daughter board connector of multiple circuit board assemblies front end respectively, and the other end of described multiple circuit board assemblies is connected with described back shroud.
Described left filtering unit comprises left side filter briquetting, left side filter assembly and left side switching circuit board, and described right filtering unit comprises right side filter briquetting, right side filter assembly and right side switching circuit board, described left side filter assembly and right side filter assembly are fixed on partition wall respectively by left side filter briquetting and right side filter briquetting, one end of described left side filter assembly and right side filter assembly is welded on left side switching circuit board and right side switching circuit board respectively by flexible cord, the other end respectively by flexible cord together with the welding circuit board of described base frame board component, data-signal in cavity I is forwarded in cavity II, left side switching circuit board and right side switching circuit board are screwed on the partition wall of isolation frame both sides, digital signal forwards on the panel circuit plate of panel assembly by mother daughter board connector by left side switching circuit board and right side switching circuit board, panel circuit plate forwards signal to external connector.
Described left side filter assembly is made up of the thick copper sheet of 2mm and filter, and filter is welded on copper sheet, and left side filter briquetting is pressed in fixing left side filter assembly on copper sheet, and described left side filter assembly is identical with right side filter assembly structure.
Left side switching circuit board in cavity II, to be connected by mother daughter board connector between right side switching circuit board with the panel circuit plate on panel assembly.
The beneficial effects of the utility model are: in prior art when on the panel that the external connector of electric cabinet is directly installed on mechanical structure, due to the mismachining tolerance of connector mounting hole and the performance of connector self, cause the Electro Magnetic Compatibility of electric cabinet bad, and the mounting means of external connector is by complicated for the dismounting and components and parts Replacement procedure causing circuit board.The circuit board of external connector with carrying electronic devices and components separates by two-chamber isolation electromagnetic armouring structure of the present utility model, the circuit board assemblies of carrying electronic devices and components is made to be closed in a closed cavity I, digital signal forwards cavity II to by filter, cavity II replaces flexible cord to forward signal to external connector by mother daughter board connector and circuit board, and cardinal principle is exactly the link of capability of electromagnetic shielding difference and the link high to electromagnetic shielding requirements are isolated.
The utility model adopts two-chamber isolation structure, enhances the capability of electromagnetic shielding of electric cabinet greatly, adds the reliability of Space Remote Sensors electric cabinet.Meanwhile, cavity II uses three pieces of circuit boards and mother daughter board connector to instead of a large amount of data wires, easy accessibility, saves space, succinctly reliably.
Accompanying drawing explanation
Fig. 1 is electric cabinet structure front view of the prior art;
Fig. 2 is electric cabinet structure vertical view of the prior art;
Fig. 3 is a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure front view of the present utility model;
Fig. 4 is a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure partial enlarged drawing of the present utility model;
Fig. 5 is a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure left view of the present utility model;
Fig. 6 a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure vertical view of the present utility model;
Fig. 7 is a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure middle frame assembly front view of the present utility model;
Fig. 8 is a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure middle frame assembly upward view of the present utility model;
Fig. 9 is a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure middle frame assembly plan view of the present utility model;
Figure 10 is multiple circuit board assemblies back plate type layout in the utility model;
Figure 11 is the structure composition diagram of cavity I;
Figure 12 is the structure composition diagram of cavity II;
Figure 13 is a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure schematic diagram of the present utility model;
Wherein: 1, base, 2, circuit board assemblies one, 3, circuit board assemblies two, 4, circuit board assemblies three, 5, circuit board assemblies four, 6, cover plate, 7, connecting bolt, 8, external connector, 9, flexible cord, 10, circuit board, 11, frame assembly, 12, base frame board component, 13, base frame plate cover plate, 14, panel assembly, 15, back shroud, 16, circuit board assemblies five, 17, circuit board assemblies six, 18, left cover, 19, left side filter briquetting, 20, left side filter assembly, 21, left side switching circuit board, 22, right side filter briquetting, 23, right side filter assembly, 24, right side switching circuit board, 25, right cover plate, 26, lower guideway plate, 27, isolation frame, 28, upper rail plate, 29, right support plate, 30, left support plate, 31, cavity I, 32, cavity II.
Embodiment
Below in conjunction with accompanying drawing, execution mode of the present utility model is described further.
See accompanying drawing 3, accompanying drawing 4, accompanying drawing 5, accompanying drawing 6 and accompanying drawing 13, a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure of the present utility model comprises frame assembly 11, base frame board component 12, base frame plate cover plate 13, panel assembly 14, back shroud 15, left cover 18 and right cover plate 25;
See accompanying drawing 7, accompanying drawing 8 and accompanying drawing 9, described frame assembly 11 comprises lower guideway plate 26, isolation frame 27, upper rail plate 28, right support plate 29 and left support plate 30, and described isolation frame 27 is arranged on the front end of frame assembly 11;
Described left cover 18 and left support plate 30 in the same plane, described right cover plate 25 and described right support plate 29 in the same plane, described back shroud 15 is arranged on the rear end of described frame assembly 11, and base frame board component 12, base frame plate cover plate 13 and panel assembly 14 are successively set on the front end of described frame assembly 11;
See accompanying drawing 11 and accompanying drawing 12, the cavity I 31 that described frame assembly 11, base frame board component 12, base frame plate cover plate 13, back shroud 15 composition is closed, the circuit board of all carrying electronic devices and components is all positioned at cavity I 31; The cavity II 32 that frame assembly 11, base frame board component 12, base frame plate cover plate 13, panel assembly 14, left cover 18, right cover plate 25 composition is closed, cavity I 31 is communicated with right filtering unit by the left filtering unit be inlaid on isolation frame about 27 partition wall with cavity II 32.
See accompanying drawing 10, electric cabinet circuit-board laying-out in the utility model adopts back plate type, comprise circuit board assemblies 1, circuit board assemblies 23, circuit board assemblies 34, circuit board assemblies 45, circuit board assemblies 5 16 and circuit board assemblies 6 17, circuit board assemblies 1, circuit board assemblies 23, circuit board assemblies 34, circuit board assemblies 45, circuit board assemblies 5 16 is connected with the circuit board on base frame board component 12 with the guide rail location in lower guideway version by the upper rail plate 28 of frame assembly 11 with mother daughter board connector with one end of circuit board assemblies 6 17, simultaneously, the other end of circuit board assemblies 12 to circuit board assemblies 6 17 is linked together by screw and back shroud 15, increase the stability of structure.Each part of airtight cavity all devises seam at link position, can be increased the electro-magnetic screen function of electric cabinet by seam overlap joint greatly.Circuit board on the circuit board assemblies 1 of such carrying electronic devices and components, circuit board assemblies 23, circuit board assemblies 34, circuit board assemblies 45, circuit board assemblies 5 16, circuit board assemblies 6 17 and base frame board component 12 is all enclosed in closed cavity I 31.
Described left filtering unit comprises left side filter briquetting 19, left side filter assembly 20 and left side switching circuit board 21, and described right filtering unit comprises right side filter briquetting 22, right side filter assembly 23 and right side switching circuit board 24; left side filter assembly 20 and right side filter assembly 23 by being communicated with cavity I 31 with cavity II 32 with the partition wall of the circular hole of filter equal number through isolation frame 27 on the partition wall of cavity I 31 with the isolation frame 27 of cavity II 32, described left side filter assembly 20 and right side filter assembly 23 are fixed on partition wall respectively by left side filter briquetting 19 and right side filter briquetting 22, one end of described left side filter assembly 20 and right side filter assembly 23 is welded on left side switching circuit board 21 and right side switching circuit board 24 respectively by flexible cord, the other end respectively by flexible cord together with the welding circuit board of described base frame board component 12, data-signal in cavity I 31 is forwarded in cavity II 32, left side switching circuit board 21 and right side switching circuit board 24 are screwed on the partition wall of isolation frame 27 both sides, digital signal forwards on the panel circuit plate of panel assembly 14 by mother daughter board connector by left side switching circuit board 21 and right side switching circuit board 24, panel circuit plate forwards signal to external connector.
Described left side filter assembly 20 is made up of the thick copper sheet of 2mm and filter, filter is welded on copper sheet, left side filter briquetting 19 is pressed in fixing left side filter assembly 20 on copper sheet, because copper sheet is softer, be equivalent to sealing gasket, electromagnetic wave shielding is fine, thus ensures the physical separation of cavity I 31 and cavity II 32, and described left side filter assembly 20 is identical with right side filter assembly 23 structure.
Left side switching circuit board 21 in cavity II 32, to be connected by mother daughter board connector between right side switching circuit board 24 with the panel circuit plate on panel assembly 14.
Installation process of the present utility model is: left support plate 30, right support plate 29 are arranged on lower guideway plate 26, install guide-rail plate 28, installs isolation frame 27, forms frame assembly 11.
Base frame board component 12 is arranged on frame assembly 11, left side filter assembly 20 and right side filter assembly 23 are arranged on the partition wall of isolation frame 27, compress with left side filter briquetting 19 and right side filter briquetting 22 respectively, left side filter assembly 20 with right side filter assembly 23 one end flexible cord together with base frame welding circuit board, the other end welds together with flexible cord and left side switching circuit board 21 and right side switching circuit board 24 respectively, left side switching circuit board 21 and right side switching circuit board 24 are arranged on the partition wall of isolation frame 27, left side switching circuit board 21 and right side switching circuit board 24 are provided with mother daughter board connector A, base frame plate cover plate 13 is arranged on base frame board component 12.
Lead with the guide rail of guide-rail plate 28 and lower guideway plate 26, circuit board assemblies 12 to circuit board assemblies 6 17 is linked together by the mother daughter board connector of its front end and the circuit board of base frame board component 12, back shroud 15 is connected with circuit board assemblies 12 to circuit board assemblies 6 17 rear end, back shroud 15 and frame assembly 11 are linked together, now, the mother daughter board connector between circuit board assemblies 12 to circuit board assemblies 6 17 and the circuit board of base frame board component 12 is fully connected.Like this, the space that cavity I 31 formation one is airtight.
Mother daughter board connector B is arranged on the panel circuit plate of panel assembly 14, panel circuit plate is arranged on panel, external connector is passed erecting of panel on panel, the stitch of external connector is welded with panel circuit plate, forming surface board component 14.Panel assembly 14 is connected with the mother daughter board connector A on left side switching circuit board 21 and right side switching circuit board 24 by mother daughter board connector B, panel assembly 14 is arranged on the isolation frame 27 of frame assembly 11 simultaneously, at this moment, mother daughter board connector A fully contacts with mother daughter board connector B.
Left cover 18, right cover plate 25 are installed, form the cavity II 32 of electric cabinet.
Be more than embodiment of the present utility model, but absolutely not to restriction of the present utility model.
Claims (5)
1. a Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure, it is characterized in that, comprise frame assembly (11), base frame board component (12), base frame plate cover plate (13), panel assembly (14), back shroud (15), left cover (18) and right cover plate (25); Described frame assembly (11) comprises lower guideway plate (26), isolation frame (27), upper rail plate (28), right support plate (29) and left support plate (30), and described isolation frame (27) is arranged on the front end of frame assembly (11);
Described left cover (18) and left support plate (30) in the same plane, described right cover plate (25) and described right support plate (29) in the same plane, described back shroud (15) is arranged on the rear end of described frame assembly (11), and base frame board component (12), base frame plate cover plate (13) and panel assembly (14) are successively set on the front end of described frame assembly (11);
The cavity I (31) that described frame assembly (11), base frame board component (12), base frame plate cover plate (13), back shroud (15) composition is closed, the circuit board of all carrying electronic devices and components is all positioned at cavity I (31); The cavity II (32) that frame assembly (11), base frame board component (12), base frame plate cover plate (13), panel assembly (14), left cover (18), right cover plate (25) composition is closed, cavity I (31) is communicated with right filtering unit by the left filtering unit be inlaid on the partition wall of isolation frame (27) left and right with cavity II (32).
2. a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure according to claim 1, it is characterized in that, the circuit board of described base frame board component (12) is connected with the mother daughter board connector of multiple circuit board assemblies front end respectively, and the other end of described multiple circuit board assemblies is connected with described back shroud (15).
3. a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure according to claim 1, it is characterized in that, described left filtering unit comprises left side filter briquetting (19), left side filter assembly (20) and left side switching circuit board (21), and described right filtering unit comprises right side filter briquetting (22), right side filter assembly (23) and right side switching circuit board (24), described left side filter assembly (20) and right side filter assembly (23) are fixed on partition wall respectively by left side filter briquetting (19) and right side filter briquetting (22), one end of described left side filter assembly (20) and right side filter assembly (23) is welded on left side switching circuit board (21) and right side switching circuit board (24) respectively by flexible cord, the other end respectively by flexible cord together with the welding circuit board of described base frame board component (12), data-signal in cavity I (31) is forwarded in cavity II (32), left side switching circuit board (21) and right side switching circuit board (24) are screwed on the partition wall of isolation frame (27) both sides, digital signal forwards on the panel circuit plate of panel assembly (14) by mother daughter board connector by left side switching circuit board (21) and right side switching circuit board (24), panel circuit plate forwards signal to external connector.
4. a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure according to claim 3, it is characterized in that, described left side filter assembly (20) is made up of the thick copper sheet of 2mm and filter, filter is welded on copper sheet, left side filter briquetting (19) is pressed in fixing left side filter assembly (20) on copper sheet, and described left side filter assembly (20) is identical with right side filter assembly (23) structure.
5. a kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure according to claim 3, it is characterized in that, left side switching circuit board (21) in cavity II (32), to be connected by mother daughter board connector between right side switching circuit board (24) with the panel circuit plate on panel assembly (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104544.2U CN204392769U (en) | 2015-02-13 | 2015-02-13 | A kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520104544.2U CN204392769U (en) | 2015-02-13 | 2015-02-13 | A kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure |
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| Publication Number | Publication Date |
|---|---|
| CN204392769U true CN204392769U (en) | 2015-06-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520104544.2U Expired - Fee Related CN204392769U (en) | 2015-02-13 | 2015-02-13 | A kind of Space Remote Sensors electric cabinet two-chamber isolation electromagnetic armouring structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN204392769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684372A (en) * | 2015-02-13 | 2015-06-03 | 中国科学院长春光学精密机械与物理研究所 | Double-cavity isolating electromagnetic shielding structure for electric control box of spatial remote sensor |
-
2015
- 2015-02-13 CN CN201520104544.2U patent/CN204392769U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104684372A (en) * | 2015-02-13 | 2015-06-03 | 中国科学院长春光学精密机械与物理研究所 | Double-cavity isolating electromagnetic shielding structure for electric control box of spatial remote sensor |
| CN104684372B (en) * | 2015-02-13 | 2017-10-31 | 中国科学院长春光学精密机械与物理研究所 | A kind of Space Remote Sensors electric cabinet two-chamber isolates electromagnetic armouring structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150610 Termination date: 20160213 |
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| CF01 | Termination of patent right due to non-payment of annual fee |