CN105657995A - Electronic chassis - Google Patents
Electronic chassis Download PDFInfo
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- CN105657995A CN105657995A CN201410851126.XA CN201410851126A CN105657995A CN 105657995 A CN105657995 A CN 105657995A CN 201410851126 A CN201410851126 A CN 201410851126A CN 105657995 A CN105657995 A CN 105657995A
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- electronic cabinet
- framework
- described framework
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Abstract
The invention provides an electronic chassis applied in the aerospace electronic product technology field. The electronic chassis comprises a bottom layer and at least two frameworks, wherein the bottom layer is provided with a heat dissipation module; and the two frameworks are arranged on the bottom layer in a stacking way. The frameworks are provided with through holes and are fixed on the bottom layer via connecting members penetrating through the through holes. According to the electronic chassis provided in the invention, the specified frameworks can be independently disassembled according to requirements in assembling or debugging without disassembling the whole electronic chassis via arrangement of the structure of the stacked frameworks so that disassembling and assembling are convenient, the structure is simple and light-weight and thin-wall requirements can be met. Fixing is realized by the connecting members penetrating through the through holes on the frameworks so that the structure is firm, severe space flight environments can be reliably adapted, and thus working reliability and adaptability of the electronic chassis can be enhanced.
Description
Technical field
The invention belongs to aerospace electron product technical field, particularly relate to a kind of electronic cabinet.
Background technology
Electronic cabinet is the important feature installing and protecting the various circuit unit of electronic equipment internal, components and parts and component of machine; for the various complicated environment of elimination to the interference of equipment; ensure device security, stablize, reliably work; the service efficiency of raising equipment, life-span, and strengthen equipment installation, maintenance convenience etc. play a part extremely important. Along with the development of military electronic technique, electronic cabinet is the field such as aviation, space flight application very extensive. In order to ensure the reliability that electronic cabinet works under various harsh flying condition, develop one should assurance function, the electronic cabinet product ensureing reliability again is that Military Electronic Equipment develops the work that must pay attention to.
The environment for use of Military Electronic Equipment is more various compared with civilian goods, complicated, severe, the design of its electronic cabinet is then even more important, difficult, and this is also that the Designers being engaged in Structural Design of Military Electronic Equipment is faced and wants the problem of strengthening research. For adapting to various severe environment for a long time, work reliably, on the various factors affecting electronic cabinet performance, to be comprised system architecture, electric property etc. during design electronic cabinet, take corresponding safeguard measure. Guarantee that it has strong environmental compatibility, high reliability, Gao Kewei during design electronic cabinet. Therefore, electronic equipment chassis must ensure anti-vibrating and impact, high-low temperature resistant and three anti-(anticorrosion, anti-mould, Defend salt fog) etc. Under the prerequisite meeting environmental requirement, for Military Electronic Equipment, its volume is more little, weight is more light, and the ability of its maneuver warfare is more strong, and battlefield viability is also more strong. The miniaturization of pursuit electronic equipment chassis, lightness, thin-walled property are also that raising electronic equipment chassis and even aircraft overall performance play a significant role.
Now conventional electronic cabinet is by front and back panel, and left side plate and upper and lower cover plates are put together. But the electronic cabinet structure that the program provides is owing to being be put together by screw by each block of side plate, brings inconvenience to assembling. Meanwhile, when each piece of veneer being carried out performance and debugs, it is necessary to carry out integral demounting, unload separately each veneer and debug, it is unfavorable for the electrical property debugging of veneer. Meanwhile, owing to the left side plate of such electronic cabinet must make chute form, in each veneer framework inserting side groove, it is difficult to meet electronic cabinet in the requirement ensureing lightness and slimming under mechanical property prerequisite.
Summary of the invention
It is an object of the invention to: solve electronic cabinet complex structure in prior art, assembling inconvenience, and be difficult to ensureing that mechanical property prerequisite meets the defect of the requirement of lightness and slimming, there is provided a kind of structure simple, easy accessibility, firm in structure and meet the demand of lightness and slimming, it is possible to the reliable electronic cabinet adapting to harsh space travel environment.
Technical scheme provided by the invention is:
A kind of electronic cabinet, is applied on aerospace electron product, comprising:
Bottom, described bottom is provided with heat radiation module;
At least two frameworks, described framework is stacking to be arranged on described bottom;
Described framework is provided with through hole;
Described framework is fixed on described bottom by running through the web member of described through hole.
Preferably, in described electronic cabinet:
Fixed by the groove of the boss of framework above and framework below between described framework.
Preferably, in described electronic cabinet:
The outer side wall of described framework is provided with protruding vertical heat radiation tooth.
Preferably, in described electronic cabinet:
The internal surface of described framework is provided with the zone of oxidation that electric conductive oxidation is formed.
Preferably, in described electronic cabinet:
Described framework outer side wall outside surface is provided with enamel paint layer.
Preferably, in described electronic cabinet:
Described framework inside is provided with middle space bar;
Described middle space bar is provided with the threaded hole for fixing pcb board.
Preferably, in described electronic cabinet:
Described middle space bar is provided with heat radiation boss.
Preferably, in described electronic cabinet:
It is provided with pcb board in described framework;
Described pcb board is provided with the junctor for connecting other pcb board.
Preferably, in described electronic cabinet:
Between described framework, sealing-ring is installed.
Preferably, in described electronic cabinet, described framework comprises:
Radio frequency module frame, navigation module frame and power supply module frame.
The invention has the beneficial effects as follows: the described electronic cabinet that this scheme provides, arranged by the skeleton construction of stack, when assembling or debug, whole need not disassemble electronic cabinet, the framework specified can be disassembled separately according to demand, its easy accessibility, structure is simple and meets the demand of lightness and thin-walled property; By running through the fixing of the web member of through hole on framework, it is firm in structure, it is possible to reliable adapt to harsh space travel environment, it is to increase the reliability of electronic cabinet work and adaptability.
In addition, in described electronic cabinet, by the enamel paint layer of the heat radiation tooth on the heat radiation module of bottom, framework, framework outer side wall outside surface, it is possible to greatly strengthen the radiating effect of electronic cabinet so that the resistance to elevated temperatures of its entirety significantly improves.
Accompanying drawing explanation
Content expressed by each accompanying drawing of this specification sheets and the mark in figure are made brief description below:
Fig. 1 is the one-piece construction schematic diagram of electronic cabinet of the present invention.
Embodiment
Compare accompanying drawing below, by the description to embodiment, to the specific embodiment of the present invention as the effect and principle of work etc. of the mutual position between the shape of involved each component, structure, each several part and connection relation, each several part are described in further detail:
As shown in Figure 1, being a kind of structural representation of the electronic cabinet that the present embodiment provides, it specifically comprises:
Bottom 101, described bottom is provided with heat radiation module;
At least two framework 102d and 102e, described framework is stacking to be arranged on described bottom 101;
Described framework 102d and 102e is provided with through hole;
Described framework is fixed on described bottom by running through the web member 103 of described through hole.
Wherein bottom 101 bottom electronic cabinet, it is possible to being arranged in thermal control framework, as the heat absorption region of whole electronic cabinet, namely whole electronic cabinet is heat sink, ensures the heat radiation of whole electronic cabinet.Electronic cabinet described in the present embodiment, it is possible to stacking and become by multiple module frame, the number of framework and function can be arranged by independent assortment according to demand. Wherein said framework can comprise: radio frequency module frame, navigation module frame and power supply module frame etc.
Concrete, typical case's composition structure of electronic cabinet shown in composition graphs 1 is described, and wherein said framework comprises power supply module frame 102a, the first radio frequency module frame 102b, the 2nd radio frequency module frame 102c, the first navigation module frame 102d and the 2nd navigation module frame 102e from top to bottom.
Through hole on described framework can be arranged on the sidewall of framework. Wherein, described web member 103 can be long spiro nail (stainless steel screw as special), and above-mentioned multiple framework is fixedly attached on the thermal control framework of bottom 101 through its through hole by long spiro nail. For reaching stability requirement, thermal control framework can arrange four boss 104. For reaching the requirement of reinforcing, electronic cabinet can be made up of duralumin 2A12 material.
In addition, described electronic cabinet can also comprise cover plate 105 and lower cover 106, to realize neat appearance, to provide the effect of airtight electronic cabinet internal space.
In order to meet the sealing of electronic cabinet, electromagnetic compatibility requirement, can be set between described framework be boss is the structure of groove. Fixed by the groove of the boss of framework above and framework below between described framework.
Meanwhile, in order to reach sealing effect, prevent moisture, dust on the erosion of components and parts, the object avoiding the impact of electromagnetic interference environment, sealing-ring can be installed between described framework. Concrete installation mode can be: the boss peripheral regions at described framework arranges groove, installs sealing-ring between the grooves when described framework connects. Wherein, described sealing-ring can be conductive rubber strip.
In addition, for ensureing the electromagnetic compatibility of electronic cabinet and good stopping property, the internal surface of described framework arranges the zone of oxidation that can also be arranged through electric conductive oxidation and be formed.
As shown in Figure 1, in the electronic cabinet that the present embodiment provides, it is also possible to the outer side wall at described framework is provided with protruding vertical heat radiation tooth 107. Gap between the heat radiation tooth arranged on wherein said framework can be arranged in parallel, and its gap can be equal or not etc.
For promoting the radiating effect of described electronic cabinet further, the outside surface of the framework outer side wall described in the present embodiment can also be provided with enamel paint layer. Concrete, it is possible at each unglazed enamel paint of frame outer surface spray black of electronic cabinet, form spraying enamel paint layer, in conjunction with the heat radiation tooth 107 that described frame outer surface is arranged, increase radiating surface, strengthen radiating effect.
In the inside of described electronic cabinet, in order to fixing pcb board, described framework inside can arrange middle space bar, and arranges the threaded hole being used for fixing pcb board on described middle space bar. Described pcb board is fixed on described middle space bar by bolt and described threaded hole.
For enabling the heating of described PCB distribute fully in time, described middle space bar can arrange heat radiation boss, described pcb board is buckled on described middle space bar, can arrange heat conductive pad or heat-conducting silicone grease dispels the heat between the heat radiation elements that pcb board power is big and described heat radiation boss.
Described frame module there is the module of heat radiation comprise dividing plate, heat radiation platform, pcb board dispels the heat and between device and heat radiation platform, is provided with heat conductive pad or heat-conducting silicone grease.
In electronic cabinet described in the present embodiment, described pcb board is arranged on the inside of described framework, is the connection realized between different pcb board, described pcb board can arrange the junctor for connecting other pcb board.Concrete, junctor can for being arranged on the connector assembly of described pcb board side, interconnected by mutual-inserting type, it is achieved the circuit between a upper pcb board with next pcb board is connected.
The described electronic cabinet that the present embodiment scheme provides, is arranged by the skeleton construction of stack, when assembling or debug, whole need not disassemble electronic cabinet, can disassembling separately the framework specified according to demand, its easy accessibility, structure is simple and meets the demand of lightness and slimming; By running through the fixing of the web member of through hole on framework, it is firm in structure, it is possible to reliable adapt to harsh space travel environment, it is to increase the reliability of electronic cabinet work and adaptability.
In addition, in described electronic cabinet, by the enamel paint layer of the heat radiation tooth on the heat radiation module of bottom, framework, framework outer side wall outside surface, it is possible to greatly strengthen the radiating effect of electronic cabinet so that the resistance to elevated temperatures of its entirety significantly improves.
Above-mentioned by reference to the accompanying drawings the present invention is carried out exemplary description; the realization of obvious the present invention is not by the restriction of mode; as long as have employed the improvement that the design of the method for the present invention carries out with technical scheme; or the present invention and technology directly applied with other occasions without improving, all in protection scope of the present invention.
Claims (10)
1. an electronic cabinet, is applied on aerospace electron product, it is characterised in that, comprising:
Bottom, described bottom is provided with heat radiation module;
At least two frameworks, described framework is stacking to be arranged on described bottom;
Described framework is provided with through hole;
Described framework is fixed on described bottom by running through the web member of described through hole.
2. electronic cabinet according to claim 1, it is characterised in that:
Fixed by the groove of the boss of framework above and framework below between described framework.
3. electronic cabinet according to claim 1, it is characterised in that:
The outer side wall of described framework is provided with protruding vertical heat radiation tooth.
4. electronic cabinet according to claim 1, it is characterised in that:
The internal surface of described framework is provided with the zone of oxidation that electric conductive oxidation is formed.
5. electronic cabinet according to claim 1, it is characterised in that:
Described framework outer side wall outside surface is provided with enamel paint layer.
6. electronic cabinet according to claim 1, it is characterised in that:
Described framework inside is provided with middle space bar;
Described middle space bar is provided with the threaded hole for fixing pcb board.
7. electronic cabinet according to claim 6, it is characterised in that:
Described middle space bar is provided with heat radiation boss.
8. electronic cabinet according to claim 1, it is characterised in that:
It is provided with pcb board in described framework;
Described pcb board is provided with the junctor for connecting other pcb board.
9. electronic cabinet according to claim 1, it is characterised in that:
Between described framework, sealing-ring is installed.
10. electronic cabinet according to claim 1, it is characterised in that, described framework comprises:
Radio frequency module frame, navigation module frame and power supply module frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851126.XA CN105657995A (en) | 2014-12-30 | 2014-12-30 | Electronic chassis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410851126.XA CN105657995A (en) | 2014-12-30 | 2014-12-30 | Electronic chassis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105657995A true CN105657995A (en) | 2016-06-08 |
Family
ID=56480836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410851126.XA Pending CN105657995A (en) | 2014-12-30 | 2014-12-30 | Electronic chassis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105657995A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107222990A (en) * | 2017-06-26 | 2017-09-29 | 上海空间电源研究所 | A kind of space battery management system unit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2202939Y (en) * | 1994-08-27 | 1995-07-05 | 中国航天工业总公司第七七一研究所 | Interconnection assembly structure of no "sourceless chassis" block-building type microcomputer |
| CN2436965Y (en) * | 2000-07-13 | 2001-06-27 | 中国飞行试验研究院 | Laminated frame for machine cabinet |
| CN201115118Y (en) * | 2007-07-19 | 2008-09-10 | 上海航天局第八○九研究所 | Satellite electronic system standalone device |
| CN102752987A (en) * | 2012-07-13 | 2012-10-24 | 北京控制工程研究所 | Line box for aerospace craft star sensor |
| CN102891360A (en) * | 2012-09-29 | 2013-01-23 | 航天恒星科技有限公司 | Broadband miniaturization double-rotating circularly polarized antenna |
| CN204377266U (en) * | 2014-12-30 | 2015-06-03 | 航天恒星科技有限公司 | A kind of electronic cabinet |
-
2014
- 2014-12-30 CN CN201410851126.XA patent/CN105657995A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2202939Y (en) * | 1994-08-27 | 1995-07-05 | 中国航天工业总公司第七七一研究所 | Interconnection assembly structure of no "sourceless chassis" block-building type microcomputer |
| CN2436965Y (en) * | 2000-07-13 | 2001-06-27 | 中国飞行试验研究院 | Laminated frame for machine cabinet |
| CN201115118Y (en) * | 2007-07-19 | 2008-09-10 | 上海航天局第八○九研究所 | Satellite electronic system standalone device |
| CN102752987A (en) * | 2012-07-13 | 2012-10-24 | 北京控制工程研究所 | Line box for aerospace craft star sensor |
| CN102891360A (en) * | 2012-09-29 | 2013-01-23 | 航天恒星科技有限公司 | Broadband miniaturization double-rotating circularly polarized antenna |
| CN204377266U (en) * | 2014-12-30 | 2015-06-03 | 航天恒星科技有限公司 | A kind of electronic cabinet |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107222990A (en) * | 2017-06-26 | 2017-09-29 | 上海空间电源研究所 | A kind of space battery management system unit |
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Application publication date: 20160608 |