CN202281968U - Electromagnetic shielding electronic chart cabinet - Google Patents
Electromagnetic shielding electronic chart cabinet Download PDFInfo
- Publication number
- CN202281968U CN202281968U CN2011203175620U CN201120317562U CN202281968U CN 202281968 U CN202281968 U CN 202281968U CN 2011203175620 U CN2011203175620 U CN 2011203175620U CN 201120317562 U CN201120317562 U CN 201120317562U CN 202281968 U CN202281968 U CN 202281968U
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- CN
- China
- Prior art keywords
- casing
- electronic chart
- rom drive
- ventilating board
- box body
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- Expired - Lifetime
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Abstract
The utility model relates to an electromagnetic shielding electronic chart cabinet, comprising a box body disposed on a fixed base, the top of the box body is provided with a box cover, the front side wall of the box body close to the top end is provided with a CD-ROM drive door, the right side wall of the box body close to the front end edge of the top is provided with a first shielding ventilation plate, the internal of the box body is provided with two storage racks in left and right symmetry, the inner end bottom of the back side wall of the box body is provided with a main board installation board, a fixed plate is welded at one side of the main board installation board, the upper part of the fixed plate is provided with a second shielding ventilation plate, the top of the main board installation board is provided with a main board connection terminal, and the top of the main board connection terminal is provided with a wire clamp. The electromagnetic shielding electronic chart cabinet is advantaged by good shielding effect, simple structure, convenient installation and dismounting, reasonable design, convenient machining and manufacture, low cost, and wide application for marine equipment cabinets.
Description
Technical field
The utility model relates to a kind of shipborne equipment cabinet, relates in particular to a kind of electromagnetic screen electronic chart cabinet.
Background technology
Computer housing is being widely used in individual PC, electronic equipment, industrial automation field, and aerospace field.Growing along with electronic equipment, electronic equipment is sensitive more to the induction of electromagnetic interference (EMI), and the residing electromagnetic environment of equipment is also complicated day by day; Make it receive the influence of electromagnetic interference (EMI) significantly; Gently then equipment performance reduces, and heavy then system's malfunction causes serious harm to people's lives and properties.
Existing cabinet is various in style, and pattern is innumerable, but much all is that computer producer designs in enormous quantities, makes, and design is unfavorable for small serial production on the one hand, and Electro Magnetic Compatibility is difficult to satisfy effect on the other hand, and can't use for a lot of specialized equipments.The cabinet of shipborne equipment requires that than common cabinet better degree of protection is arranged, and more superior electro-magnetic screen function it's a pity, and is domestic at present, and the product on the international market does not all have particular study for this problem, can't well solve.Especially in the popular product because electromagnetic screen be difficult to realize, and cause most of producer void to get over, can't reach good electromagnetic screen at all, it is not enough to cause functions of the equipments to realize, concerning the operator, has also influenced healthy.
The outstanding product of part in the market also reaches the effect of shield electromagnetic interference; But often exist: shortcomings such as cost is too high, installing/dismounting bothers, be inconvenient to process; The cabinet of big manufacturer production often is directed against certain large-scale application, and can't satisfy the specific demand of shipborne equipment.
The utility model content
For solving the problems of the technologies described above, the utility model provides a kind of simple in structure, shield effectiveness good, cost is low electromagnetic screen electronic chart cabinet.
The electromagnetic screen electronic chart cabinet of the utility model comprises the casing that is arranged on the holder, and the top of said casing is provided with case lid; Be provided with the CD-ROM drive door near top end on the front side wall of casing; Front edge place near the top on the right side wall of casing is provided with the first shielding ventilating board, symmetrical two storage rack about the inside of casing is provided with, and the inner face bottom of casing rear wall is provided with the mainboard installing plate; One face down bonding of mainboard installing plate is connected to fixed head; The top of fixed head is provided with the secondary shielding ventilating board, and the top of mainboard installing plate is provided with the mainboard junction block, and the top of mainboard junction block is provided with wire clamp.
The electromagnetic screen electronic chart cabinet of the utility model, the two ends of said CD-ROM drive door are connected on the casing through rotating shaft, and the CD-ROM drive door is provided with the CD-ROM drive button, also is connected Return spring between CD-ROM drive door and the casing.
The electromagnetic screen electronic chart cabinet of the utility model is evenly distributed with some punchings on said first shielding ventilating board and the secondary shielding ventilating board.
The electromagnetic screen electronic chart cabinet of the utility model, equal soldering stainless steel silk screen on the inwall of said first shielding ventilating board and secondary shielding ventilating board.
Compared with prior art the beneficial effect of the utility model is: the electromagnetic screen electronic chart shielding case of the utility model is effective, simple in structure, easy installation and removal, and reasonable in design, processing and manufacturing is more convenient, and cost is low; To the shipborne equipment cabinet, there is the utmost point to use widely.
Description of drawings
Fig. 1 is the structural representation of the described electromagnetic screen electronic chart of the utility model embodiment cabinet;
Fig. 2 is one of structural representation of the described electromagnetic screen electronic chart of the utility model embodiment cabinet removal case lid;
Fig. 3 is two of the described electromagnetic screen electronic chart of a utility model embodiment cabinet structural representation of removing case lid.
Among the figure:
1, holder; 2, casing; 3, case lid; 4, CD-ROM drive door; 5, the first shielding ventilating board; 6, storage rack; 7, mainboard installing plate; 8, fixed head; 9, mainboard junction block; 10, wire clamp; 11, secondary shielding ventilating board.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Shown in Fig. 1-3, a kind of electromagnetic screen electronic chart cabinet comprises the casing 2 that is arranged on the holder 1; The top of said casing 2 is provided with case lid 3, is provided with CD-ROM drive door 4 near top end on the front side wall of casing 2, and the front edge place near the top on the right side wall of casing 2 is provided with the first shielding ventilating board 5; Symmetrical two storage rack 6 about the inside of casing 2 is provided with; The inner face bottom of casing 2 rear walls is provided with mainboard installing plate 7, and a face down bonding of mainboard installing plate 7 is connected to fixed head 8, and the top of fixed head 8 is provided with secondary shielding ventilating board 11; The top of mainboard installing plate 7 is provided with mainboard junction block 9, and the top of mainboard junction block 9 is provided with wire clamp 10.
The electromagnetic screen electronic chart cabinet of the utility model, the two ends of said CD-ROM drive door 4 are connected on the casing 2 through rotating shaft, and CD-ROM drive door 4 is provided with the CD-ROM drive button, also is connected Return spring between CD-ROM drive door 4 and the casing 2.
The electromagnetic screen electronic chart cabinet of the utility model is evenly distributed with some punchings on said first shielding ventilating board 5 and the secondary shielding ventilating board 11.
The electromagnetic screen electronic chart cabinet of the utility model, equal soldering stainless steel silk screen on the inwall of said first shielding ventilating board 5 and secondary shielding ventilating board 11.
The main frame installing plate 7 of the electromagnetic screen electronic chart cabinet of the utility model is positioned at casing 2 bottoms; Screw thread is fixed on the casing 2, can conveniently install, dismounting and change, and equipment such as mainboard are installed on it; Other electronic components such as power supply can be installed on the sidewall of casing 2.Storage rack 6 be screw retention on casing 2, accessories such as the independent installation of detachably getting off hard disk and CD-ROM drive.Mainboard junction block 9 is a Bending Processing, makes the stainless steel shell fragment, is easy to processing; Again can be for convenience detach, aspect perforate, with reference to the structure of inner mainboard; With external cabling, carry out rational bore size, shell fragment and external cable can conveniently be fixed together; Compound movement environment such as jolt in the steamer underway also can guarantee fixedly securing of cable.Preventing aspect the electromagnetic interference (EMI) that increase by two places shielding ventilating board, when guaranteeing heat radiation, inside surface weld metal silk screen effectively shields.Design to CD-ROM drive door 4, for it has disposed special-purpose rotating shaft, and Return spring; In limited space, guarantee its practical application easily and effectively, simultaneously aspect processing; Also be to realize very easily, this in the machining of short run, several kinds of premium properties more than satisfying simultaneously.The operating space is very narrow and small on the ship, therefore must under the prerequisite of valid function property, reduce the volume of equipment as far as possible; Fixed head 8 is welded in had both strengthened having fixed the top power supply on the casing 2; Effective again fixed lower part wave filter alleviates the pressure that its shattering zone in the steamer navigation is jolted is given retaining thread, simultaneously up-down structure; Closely arrange the three-dimensional horizontal space of having saved.Also under the situation of easy installation and removal, great advantage is its double-deck mounting structure to storage rack 6, reduces casing lateral dimension 30%.Common cabinet is in large-scale production; Usually adopt the 0.6mm-0.8mm steel plate for saving cost; Only reach the lower limit of electromagnetic screen, the utility model cabinet considers to select for use the 1-1.2mm corrosion resistant plate from performance and anti-shield effectiveness, provides under the situation of mechanical protection for electromagnetic component satisfied; Also effectively reach good shield effectiveness, simultaneously its box body weight appropriate design.
The above only is the preferred implementation of the utility model; Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model know-why, can also make some improvement and modification, these improvement and modification also should be regarded as the protection domain of the utility model.
Claims (4)
1. electromagnetic screen electronic chart cabinet; Comprise the casing (2) that is arranged on the holder (1); It is characterized in that: the top of said casing (2) is provided with case lid (3), is provided with CD-ROM drive door (4) near top end on the front side wall of casing (2), and the front edge place near the top on the right side wall of casing (2) is provided with the first shielding ventilating board (5); Symmetrical two storage rack (6) about the inside of casing (2) is provided with; The inner face bottom of casing (2) rear wall is provided with mainboard installing plate (7), and a face down bonding of mainboard installing plate (7) is connected to fixed head (8), and the top of fixed head (8) is provided with secondary shielding ventilating board (11); The top of mainboard installing plate (7) is provided with mainboard junction block (9), and the top of mainboard junction block (9) is provided with wire clamp (10).
2. electromagnetic screen electronic chart cabinet according to claim 1; It is characterized in that: the two ends of said CD-ROM drive door (4) are connected on the casing (2) through rotating shaft; CD-ROM drive door (4) is provided with the CD-ROM drive button, also is connected Return spring between CD-ROM drive door (4) and the casing (2).
3. electromagnetic screen electronic chart cabinet according to claim 1 and 2 is characterized in that: be evenly distributed with some punchings on said first shielding ventilating board (5) and the secondary shielding ventilating board (11).
4. electromagnetic screen electronic chart cabinet according to claim 1 and 2 is characterized in that: equal soldering stainless steel silk screen on the inwall of said first shielding ventilating board (5) and secondary shielding ventilating board (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203175620U CN202281968U (en) | 2011-08-29 | 2011-08-29 | Electromagnetic shielding electronic chart cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203175620U CN202281968U (en) | 2011-08-29 | 2011-08-29 | Electromagnetic shielding electronic chart cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202281968U true CN202281968U (en) | 2012-06-20 |
Family
ID=46228128
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203175620U Expired - Lifetime CN202281968U (en) | 2011-08-29 | 2011-08-29 | Electromagnetic shielding electronic chart cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202281968U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163541A (en) * | 2015-10-16 | 2015-12-16 | 中国船舶工业系统工程研究院 | Shipborne data storage device and assembling reinforcement method |
-
2011
- 2011-08-29 CN CN2011203175620U patent/CN202281968U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105163541A (en) * | 2015-10-16 | 2015-12-16 | 中国船舶工业系统工程研究院 | Shipborne data storage device and assembling reinforcement method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 266101 No. 32, No. six road, Keyuan yuan, Laoshan District, Qingdao, Shandong. Patentee after: Heideway Technology Group (Qingdao) Co., Ltd. Address before: 266101 Shandong Province, Qingdao city Laoshan District of Zhuzhou Road No. 177 Whitby industrial city A District 5 Building 4 layer Patentee before: Qingdao Headway Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120620 |