CN201854514U - High-frequency ground wave radar machine case with electromagnetic shielding and heat radiation functions - Google Patents
High-frequency ground wave radar machine case with electromagnetic shielding and heat radiation functions Download PDFInfo
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- CN201854514U CN201854514U CN2010205850936U CN201020585093U CN201854514U CN 201854514 U CN201854514 U CN 201854514U CN 2010205850936 U CN2010205850936 U CN 2010205850936U CN 201020585093 U CN201020585093 U CN 201020585093U CN 201854514 U CN201854514 U CN 201854514U
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- guide rail
- rail plate
- circuit board
- plate
- reed
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Abstract
The utility model relates to a high-frequency ground wave radar machine case with electromagnetic shielding and heat radiation functions, which belongs to the technical field of mechanical structures, wherein more than two guide rail grooves with equal distance are respectively arranged on a left guide rail plate and a right guide rail plate, the left guide rail plate and the right guide rail plate are fixed on the inner wall of a host machine case body in a symmetrical way at the left side and the right side, first compression leaf springs are arranged at equal intervals on the inner wall of each guide rail groove arranged on the left guide rail plate, second compression leaf springs are arranged at equal intervals in positions on the guide rail plates matched with the guide rail grooves, the tail ends of the guide rail plates are provided with extrusion leaf springs, a corresponding shielding cover is covered on a circuit board, then, the circuit board is fixed on the guide rail plates, a cover plate is arranged above the circuit board, an insulation heat conduction rubber pad is added between the circuit board and the cover plate, the guide rail plates, the cover plate, the circuit board and the shielding cover form module shielding boxes, holes are drilled on front panels of each module shielding box, fans are arranged in the holes, and each module shielding box is inserted into the corresponding guide rail groove. The high-frequency ground wave radar machine case can be used for carrying out multilayer electromagnetic shielding treatment on the circuit board and has the good heat radiation effect, and in addition, the reliable connection and the precise positioning of the electric contact between each module and the back plate can be realized.
Description
Technical field
The utility model relates to a kind of high-frequency ground wave radar cabinet with electromagnetic shielding and heat sinking function, belongs to the mechanical structure technical field.
Background technology
All adopt open ventilation and heat technology on the electronic devices structure of present most radars, though and this type of device heat radiation can reach the operate as normal requirement, but because blow-by, electric device in the casing is easy to be subjected to the corrosion and the damage of seashore moisture, salt fog, long term operation stability, reliability are relatively poor thus, also are the needs that are difficult to satisfy military use product simultaneously.Product design will be considered army's mark requirements such as reliability of products, environmental suitability, Electro Magnetic Compatibility, and among production process also all to outsourcing components and parts, electric component, the circuit board group of design and finished product have carried out the test of strict environmental stress screening respectively.For making the product serviceability more excellent, move more reliably, stable, need that thus circuit board is carried out the multilayer electromagnetic shielding and handle, simultaneously for to make the heat radiation of associated core element in each module reach effect preferably, in the radiator structure design, need the emphasis consideration; Connect and control owing to will realize the communication between each module, used many slot interface VXI backboard, for realizing the electric accurate location that contacts between each module and the backboard, and connect reliable and stablely, become another emphasis and difficult point in the product design.
Summary of the invention
The utility model provides a kind of high-frequency ground wave radar cabinet with electromagnetic shielding and heat sinking function, can carry out the multilayer electromagnetic shielding to circuit board handles, heat radiation to associated core element in each module has effect preferably, and the accurate location that can realize electric contact between each module and the backboard with reliably be connected.
A kind of high-frequency ground wave radar cabinet with electromagnetic shielding and heat sinking function, comprise the guide rail plate, cover plate, circuit board, radome, the insulating heat-conductive rubber cushion, the left rail plate, right guide rail plate, the jam-packed reed, compress reed one, compress reed two, backboard and main frame casing, wherein on left rail plate and the right guide rail plate equally spaced guide-track groove more than two is arranged respectively, left rail plate and right guide rail plate left-right symmetric are fixed on the main frame cabinet wall, equidistantly install on each guide-track groove inwall on the left rail plate and compress reed one, compress reed two with same equidistant installation of guide-track groove matching part on the guide rail plate, the end of guide rail plate is equipped with the jam-packed reed; Be fixed on the guide rail plate after covering corresponding radome on the circuit board, to reduce or to eliminate each functional circuit electromagnetic interference each other; Simultaneously the relevant main heater element on the circuit board all with the guide rail plate on boss directly or indirectly contact, cover plate is equipped with in the circuit board top, simultaneously because the spacing compactness between circuit board and the cover plate, for preventing short circuit phenomenon to occur because of external force makes the distortion of circuit board or cover plate, its between the two cushioning the insulating heat-conductive rubber cushion; Guide rail plate, cover plate, circuit board and radome composition module shielding box, perforate on the front panel of each module shielding box is placed with fan in perforate the place ahead simultaneously.
Operation principle: when each module shielding box inserts in the respective track groove, it has the reed contact each other, thereby can on horizontal direction and longitudinal direction, do suitable fine setting simultaneously, so that make circuit board plug on each module shielding box and the respective socket on the backboard accurately to connecting.Connector connect work good after owing to the jam-packed reed is arranged, compress reed one, compress the active force of reed two, will make between each module shielding box to be in contact with one another, become one, thereby be not subject to the influence of vibrating, jolting and become flexible.The wind that each module shielding box internal fan blows out can pass the module front panel, enters into inside modules, and a large amount of heat is being carried from the backboard at module shielding box rear portion going out.Though each module shielding box, backboard, fan etc. are mounted in the airtight box body, heat is that convection current does not go out outside the box body, can only shed by the heat conduction of casing, inner at gas-tight silo simultaneously because the effect of fan is arranged, make temperature is high in each module position fast to the low position convection current of temperature, the element of golf calorific value in each module like this, temperature can not rise De Taigao yet, thereby has guaranteed the operate as normal of element.
Beneficial effect: by carrying out the modular construction design, both made things convenient for the dismounting of circuit part to exchange, and be convenient to product examination and maintenance again; By to the taking of each module shielding measure, radiator structure and accurately clamp structure Design, satisfied the anti-electromagnetic interference of radar equipment, the requirement of environmental suitability provides favourable guarantee for guaranteeing the radar equipment long-term stable operation.
Description of drawings
Fig. 1 is a kind of overall structure schematic diagram with high-frequency ground wave radar cabinet of electromagnetic shielding and heat sinking function of the utility model;
Fig. 2 is a kind of guide-track groove partial enlarged drawing with high-frequency ground wave radar cabinet of electromagnetic shielding and heat sinking function of the utility model;
Fig. 3 is the scheme of installation of the guide rail plate of a kind of high-frequency ground wave radar cabinet with electromagnetic shielding and heat sinking function of the utility model;
Fig. 4 is the lateral plan of the guide rail plate of a kind of high-frequency ground wave radar cabinet with electromagnetic shielding and heat sinking function of the utility model;
Fig. 5 is the A-A view of the guide rail plate of a kind of high-frequency ground wave radar cabinet with electromagnetic shielding and heat sinking function of the utility model;
Fig. 6 is the partial enlarged drawing that compresses reed two on the guide rail plate of a kind of high-frequency ground wave radar cabinet with electromagnetic shielding and heat sinking function of the utility model.
Wherein: 1-guide rail plate, 2-cover plate, 3-circuit board, 4-radome, 5-insulating heat-conductive rubber cushion, 6-left rail plate, the right guide rail plate of 7-, 8-jam-packed reed, 9-compress reed one, 10-compresses reed two, 11-backboard, 12-main frame casing.
Embodiment
As shown in Figure 1, a kind of high-frequency ground wave radar cabinet with electromagnetic shielding and heat sinking function, comprise guide rail plate 1, cover plate 2, circuit board 3, radome 4, insulating heat-conductive rubber cushion 5, left rail plate 6, right guide rail plate 7, jam-packed reed 8, compress reed 1, compress reed 2 10, backboard 11 and main frame casing 12, wherein on left rail plate 6 and the right guide rail plate 7 six equally spaced guide-track grooves are arranged respectively, groove width is 24mm, guide rail spacing 30.5mm, left rail plate 6 is fixed on main frame casing 12 inwalls with right guide rail plate 7 left-right symmetric, equidistantly install on each guide-track groove inwall on the left rail plate 6 and compress reed 1, as shown in Figure 3, compress reed 2 10 with same equidistant installation of guide-track groove matching part on the guide rail plate 1, the end of guide rail plate 1 is equipped with jam-packed reed 8; As shown in Figure 5, be fixed on the guide rail plate 1 after covering corresponding radome 4 on the circuit board 3, to reduce or to eliminate each functional circuit electromagnetic interference each other; Simultaneously the relevant main heater element on the circuit board 3 all with guide rail plate 1 on boss directly or indirectly contact, cover plate 2 is equipped with in circuit board 3 tops, simultaneously because the spacing compactness between circuit board 3 and the cover plate 2, for preventing short circuit phenomenon to occur because of external force makes 2 distortion of circuit board 3 or cover plate, its between the two cushioning insulating heat-conductive rubber cushion 5; Guide rail plate 1, cover plate 2, circuit board 3 and radome 4 composition module shielding boxs, perforate on the front panel of each module shielding box is placed with fan in perforate the place ahead simultaneously.
Operation principle: when each module shielding box inserts in the respective track groove, it has the reed contact each other, thereby can on horizontal direction and longitudinal direction, do suitable fine setting simultaneously, so that make circuit board plug on each module shielding box and the respective socket on the backboard accurately to connecting.Connector connect work good after owing to jam-packed reed 8 is arranged, compress reed 1, compress the active force of reed 2 10, will make between each module shielding box to be in contact with one another, become one, thereby be not subject to the influence of vibrating, jolting and become flexible.Simultaneously because the existence of each reed, being connected more between each module and the main frame casing is close to, and it is more rapid that heat is conducted, thereby can reduce the working temperature of core parts fast.The wind that each module shielding box internal fan blows out can pass the module front panel, enters into inside modules, and a large amount of heat is being carried from the backboard at module shielding box rear portion going out.Though each module shielding box, backboard, fan etc. are mounted in the airtight box body, heat is that convection current does not go out outside the box body, can only shed by the heat conduction of casing, inner at gas-tight silo simultaneously because the effect of fan is arranged, make temperature is high in each module position fast to the low position convection current of temperature, the element of golf calorific value in each module like this, temperature can not rise De Taigao yet, thereby has guaranteed the operate as normal of element.
According to the radiator structure designing requirement, done heat transfer analog simulation analysis in the cabinet.By the reference and the analysis of correlation technique data and hot simulation result, show that the design of radiator structure all satisfied the requirement of the highest permission working temperature of printed board module chip, the utility model has been applied in the OSMAR071 high-frequency ground wave radar.
Claims (3)
1. high-frequency ground wave radar cabinet with electromagnetic shielding and heat sinking function, comprise guide rail plate (1), cover plate (2), circuit board (3), radome (4), insulating heat-conductive rubber cushion (5), left rail plate (6), right guide rail plate (7), jam-packed reed (8), compress reed one (9), compress reed two (10), backboard (11) and main frame casing (12), wherein on left rail plate (6) and the right guide rail plate (7) equally spaced guide-track groove more than two is arranged respectively, left rail plate (6) is fixed on main frame casing (12) inwall with right guide rail plate (7) left-right symmetric, left rail plate (6) is gone up equidistantly to install on each guide-track groove inwall and is compressed reed one (9), guide rail plate (1) is gone up and same equidistant installation of guide-track groove matching part compresses reed two (10), and the end of guide rail plate (1) is equipped with jam-packed reed (8); Be fixed on the guide rail plate (1) after covering corresponding radome (4) on the circuit board (3); Simultaneously the heater element on the circuit board (3) all with guide rail plate (1) on boss directly or indirectly contact, cover plate (2), guide rail plate (1), cover plate (2), circuit board (3) and radome (4) composition module shielding box are housed above the circuit board.
2. a kind of high-frequency ground wave radar cabinet with electromagnetic shielding and heat sinking function as claimed in claim 1 is characterized in that, cushioning insulating heat-conductive rubber cushion (5) between circuit board (3) and the cover plate (2).
3. a kind of electromagnetism as claimed in claim 1 has the high-frequency ground wave radar cabinet of shielding and heat sinking function, it is characterized in that perforate on the front panel of each module shielding box is placed with fan in perforate the place ahead simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205850936U CN201854514U (en) | 2010-11-01 | 2010-11-01 | High-frequency ground wave radar machine case with electromagnetic shielding and heat radiation functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205850936U CN201854514U (en) | 2010-11-01 | 2010-11-01 | High-frequency ground wave radar machine case with electromagnetic shielding and heat radiation functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201854514U true CN201854514U (en) | 2011-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205850936U Expired - Lifetime CN201854514U (en) | 2010-11-01 | 2010-11-01 | High-frequency ground wave radar machine case with electromagnetic shielding and heat radiation functions |
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| CN (1) | CN201854514U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848644A (en) * | 2018-08-23 | 2018-11-20 | 上海航天科工电器研究院有限公司 | A kind of great-power electromagnetic sealing heat dissipating cabinet |
| CN109862770A (en) * | 2019-03-14 | 2019-06-07 | 四川海特亚美航空技术有限公司 | The anti-interference structure of auxiliary power unit control unit |
| WO2020103157A1 (en) * | 2018-11-23 | 2020-05-28 | 北京比特大陆科技有限公司 | Host |
| CN111970864A (en) * | 2020-07-07 | 2020-11-20 | 安徽天能清洁能源科技有限公司 | Microgrid central controller easy to disassemble and maintain |
| CN113841469A (en) * | 2019-05-31 | 2021-12-24 | 日立安斯泰莫株式会社 | Electronic control device |
-
2010
- 2010-11-01 CN CN2010205850936U patent/CN201854514U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108848644A (en) * | 2018-08-23 | 2018-11-20 | 上海航天科工电器研究院有限公司 | A kind of great-power electromagnetic sealing heat dissipating cabinet |
| WO2020103157A1 (en) * | 2018-11-23 | 2020-05-28 | 北京比特大陆科技有限公司 | Host |
| CN109862770A (en) * | 2019-03-14 | 2019-06-07 | 四川海特亚美航空技术有限公司 | The anti-interference structure of auxiliary power unit control unit |
| CN113841469A (en) * | 2019-05-31 | 2021-12-24 | 日立安斯泰莫株式会社 | Electronic control device |
| CN113841469B (en) * | 2019-05-31 | 2024-01-02 | 日立安斯泰莫株式会社 | Electronic control device |
| CN111970864A (en) * | 2020-07-07 | 2020-11-20 | 安徽天能清洁能源科技有限公司 | Microgrid central controller easy to disassemble and maintain |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUBEI ZNPL OCEAN DETECTION SYSTEM ENGINEERING CO., Free format text: FORMER OWNER: STATE-OWNED NO.388 FACTORY Effective date: 20130930 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130930 Address after: 443005 No. 21, Qingdao Road, Yichang, Hubei Patentee after: ZNPL OCEAN DETECTION SYSTEM ENGINEERING CO., LTD. Address before: 443005 Qingdao Road, Hubei, China, No. 1, No. Patentee before: State-owned No.388 Factory |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110601 |
|
| CX01 | Expiry of patent term |