CN106332498A - Closed-type card cage heat radiation structure, card cage including same structure, and heat radiation method - Google Patents
Closed-type card cage heat radiation structure, card cage including same structure, and heat radiation method Download PDFInfo
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- CN106332498A CN106332498A CN201510376331.XA CN201510376331A CN106332498A CN 106332498 A CN106332498 A CN 106332498A CN 201510376331 A CN201510376331 A CN 201510376331A CN 106332498 A CN106332498 A CN 106332498A
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Abstract
The invention discloses a closed-type card cage heat radiation structure, a card cage including the same structure and a heat radiation method, and is used for heat radiation for the printed circuit board in a closed-type card cage. The heat radiation structure comprises a card cage barrel-shaped main body which is composed of a rear frame, a front frame, a lower wall and an upper wall, a heat conduction cover, and guide rails. The heat conduction cover is provided with heat conduction columns, and each printed circuit board forms a plug-in unit with the heat conduction cover. The guide rails are arranged on the upper wall and the lower wall in the card cage barrel-shaped main body and used for achieving butt joint plugging guiding between the plug-in units and a socket at the rear part of the card cage barrel-shaped main body and for guiding the heat of the heat conduction cover to a casing of a closed-type card cage. The invention solves technical problems that the conventional cabinet equipment cannot meet requirements for sealing and heat radiation, the cost is high, the reliability is low, the anti-electromagnetic interference capability is weak, and the casing is prone to warpage.
Description
Technical field
The present invention relates to a kind of electrical equipment field of radiating, especially relate to a kind of radiator structure being applied to closed card cage, including card cage and the heat dissipating method of this structure.
Background technology
Card cage, or referred to as subrack, cabinet, be a kind of conventional electronic devices structure scheme, for accommodating the printed circuit board of band plug connector elements and the construction unit of plug-in unit.Each printed circuit board or plug-in unit itself are again the most independent unit for card cage, can freely plug replacing, and not affect other parts, are therefore widely used prospect in field of electronics.
In the prior art, although closed card cage can protect the electronic devices and components of device interior well, anti-electromagnetic interference capability is very strong simultaneously, but owing to its casing uses totally enclosed type design, necessarily causes its radiating effect the best.All the time, in order to solve the heat dissipation problem of closed box house electronic devices and components, general employing fan is forced-ventilated or water-cooled radiating structure designs.But, in prior art, the radiator structure of closed cabinet equipment there is also techniques below problem:
(1) existing cabinet equipment cannot meet the requirement of sealing and heat radiation simultaneously；
(2) existing closed cabinet equipment carries out polish making part by numerical control machining center, and raw material needs the most customized blank, and processing capacity is big, the cycle is longer；
(3) existing closed cabinet equipment uses heat exchanger or cooled plate heat radiation, and structure is complicated, with high costs；
(4) existing closed cabinet equipment uses fan or water-cooling, and reliability is relatively low；
(5) existing closed cabinet equipment is because the reasons such as rising-heat contracting-cold easily produce the buckling deformation of casing plate.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of closed card cage radiator structure, card cage and heat dissipating method including this structure, solve existing cabinet equipment and cannot meet the requirement of sealing and heat radiation simultaneously, with high costs, reliability is low, anti-electromagnetic interference capability is weak, casing is easily generated the technical problem of buckling deformation.
In order to realize foregoing invention purpose, the present invention specifically provides the technic relization scheme of a kind of closed card cage radiator structure, closed card cage radiator structure, and for dispelling the heat the printed circuit board in closed card cage, described radiator structure includes:
The card cage barrel-like body being made up of after-frame, front frame, lower wall, upper wall；
Heat conduction cover, described heat conduction cover is provided with heating column, every piece of described printed circuit board all hood-shaped with described heat conduction become a bound cell；
It is arranged on described card cage cylindrical body inner upper wall and the guide rail of lower wall, plug of docking between the socket realizing described bound cell and be arranged on described card cage barrel-like body rear portion guides, and the heat of described heat conduction cover guides the casing of described closed card cage simultaneously.
Preferably, the heat of described printed circuit board guides described heat conduction cover by described heating column, the heat of the most described printed circuit board conducts to described heat conduction cover also by heat radiation, free convection mode, described heat conduction cover conducts heat to the casing of described closed card cage by described guide rail, then is conducted heat to air by the casing of described closed card cage and complete whole radiation processes.
Preferably, being all equipped with the elongated metal plate of normal pitch at the upper wall within described card cage cylindrical body and lower wall, the guide-track groove that the gap between adjacent two blocks of described elongated metal plates is formed is as described bound cell carries out the guide rail that plug guides.
Preferably, described radiator structure farther includes to be arranged on the reinforcement of described card cage cylindrical body outer surface, and described reinforcement, for strengthening the sidewall of described card cage cylindrical body, strengthens the heat dispersion of described closed card cage as radiating fin.
Preferably, between described lower wall and upper wall, and described lower wall, between upper wall and described after-frame, front frame, between described card cage barrel-like body and described elongated metal plate, being formed with panel beating seam between described card cage cylindrical body and described reinforcement, described panel beating seam uses conduction heat sealable glue material to be filled with ensureing to seal and heat dispersion.
The present invention the most additionally specifically provides the technic relization scheme of a kind of card cage including said structure, and card cage includes: door, back shroud, socket, printed circuit board, and upper described radiator structure.Described door is fixed on described front frame, and described back shroud is fixed on described after-frame, and described door, back shroud form the casing of closed with described card cage barrel-like body.One piece or more than two pieces by described printed circuit board hood-shaped with described heat conduction become bound cell by being arranged on the inside of described card cage with the socket grafting being arranged on described casing rear portion.
Preferably, described socket is arranged on described back shroud；
Preferably, described after-frame, front frame, lower wall and upper wall all use panel beating blanking structure.
Preferably, upper wall and lower wall in described card cage cylindrical body are provided with elongated metal plate, and the outer surface of described card cage cylindrical body is provided with reinforcement, and described elongated metal plate and reinforcement all use panel beating blanking structure.
The present invention the most additionally specifically provides the technic relization scheme of a kind of closed card cage heat dissipating method based on said structure, closed card cage heat dissipating method, comprises the following steps:
The heat of A: printed circuit board guides heat conduction cover by heating column；
B: the heat of described printed circuit board is conducted to described heat conduction cover by heat radiation, free convection mode simultaneously；
C: described heat conduction cover conducts heat to the casing of closed card cage by guide rail, then is conducted heat to air by the casing of described closed card cage and complete whole radiation processes.
Preferably, described heat dissipating method also includes that the heat of described closed card cage casing conducts to air and completes whole radiation processes by being arranged on the reinforcement of described box outer surface further.
By implementing the closed card cage radiator structure that the invention described above provides, including card cage and the heat dissipating method of this structure, have the advantages that
(1) closed card cage radiator structure of the present invention can meet the requirement of card cage sealing and heat radiation simultaneously so that card cage globality is strong, it is easy to reaches the degree of protection of IP65, meets high shield effectiveness, and the strength grade that outdoor vehicles needs simultaneously；
(2) rigidity of structure of card cage of the present invention is high, and the probability causing box deformation because of printed circuit board and the thermal expansion coefficient difference of heat conduction cover is minimum；
(3) simple in construction of card cage of the present invention, relatively low to required precision, mutually retrains between several main structure bodies, and the accumulation of error is the least；
(4) contact area between heat conduction cover and the printed wiring board of closed card cage radiator structure of the present invention is big, thermal contact resistance is little, and therefore radiating effect is preferable；
(5) the heat conduction cover of closed card cage radiator structure of the present invention forms the most independent screen unit with printed wiring board so that electromagnetic interference mutual between box house plug-in unit is the lowest；
(6) not having air-cooled in closed card cage radiator structure of the present invention, the radiator structure of the rapid wears such as water-cooled, the reliability that therefore radiator structure is overall is the highest；
(7) closed card cage radiator structure of the present invention and method are directly to crucial heat generating spot direct construction cooling duct so that the cooling-down effect at thermo-responsive position is clearly；
(8) parts that mainly comprise of card cage of the present invention all have employed panel beating blanking structure and bending and forming making part, the therefore advantage of lower cost of card cage.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below.It should be evident that the accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other embodiment according to these accompanying drawings.
Fig. 1 is the main frame structure schematic diagram of a kind of detailed description of the invention of card cage of the present invention；
Fig. 2 is the external structure schematic diagram of a kind of detailed description of the invention of card cage of the present invention；
Fig. 3 is the cross-sectional view of a kind of detailed description of the invention of card cage of the present invention；
Fig. 4 is the structural representation of heat conduction cover in closed a kind of detailed description of the invention of card cage radiator structure of the present invention；
Fig. 5 is the assembling structural representation of a kind of detailed description of the invention of card cage of the present invention；
Fig. 6 is the structural representation of panel beating seam in closed a kind of detailed description of the invention of card cage radiator structure of the present invention；
Fig. 7 is the radiator structure schematic diagram of a kind of detailed description of the invention of card cage of the present invention；
In figure: 1-after-frame, frame before 2-, 3-lower wall, 4-upper wall, 5-guide rail, 6-socket, 7-reinforcement, 8-door, 9-printed circuit board, 10-heating column, 11-heat conduction cover, 12-panel beating seam, 13-back shroud.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete description.Obviously, described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
As shown in accompanying drawing 1 to accompanying drawing 7, giving closed card cage radiator structure of the present invention, including card cage and the specific embodiment of heat dissipating method of this structure, the invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
As shown in accompanying drawing 1 to accompanying drawing 6, the specific embodiment of a kind of closed card cage radiator structure, for dispelling the heat the printed circuit board 9 in closed card cage, radiator structure includes:
The card cage barrel-like body being made up of after-frame 1, front frame 2, lower wall 3, upper wall 4；
Heat conduction cover 11, heat conduction cover 11 is provided with heating column 10, and the printed circuit board 9 of every piece all forms a bound cell with heat conduction cover 11；
It is arranged on the guide rail 5 of card cage cylindrical body inner upper wall and lower wall, guides with the plug of docking between the socket 6 being arranged on card cage barrel-like body rear portion for realizing bound cell, the heat of heat conduction cover 11 is guided the casing of closed card cage simultaneously.The casing of closed card cage farther includes the card cage barrel-like body being made up of after-frame 1, front frame 2, lower wall 3, upper wall 4, and the door 8 on fixing former frame 2.
Wherein, as shown in Figure 4, the medial surface at heat conduction cover 11 is provided with the heating column 10 of multiple difformity and structure.Every piece of printed circuit board 9 all with a heat conduction cover 11, and the heating column 10 on heat conduction cover 11 forms a unit.
The radiator structure principle that the above-mentioned specific embodiment of the present invention describes is: the heat of printed circuit board 9 guides heat conduction cover 11 by heating column 10, the heat of printed circuit board 9 conducts to heat conduction cover 11 also by heat radiation, free convection mode simultaneously, heat conduction cover 11 conducts heat to the casing of closed card cage by guide rail 5, then is conducted heat to air by the casing of closed card cage and complete whole radiation processes.
As shown in accompanying drawing 1 and accompanying drawing 3, as a kind of typical specific embodiment of the present invention, be equipped with the elongated metal plate of normal pitch the most further at the upper wall within card cage cylindrical body and lower wall, the guide-track groove that the gap between adjacent two block length strip metal plates is formed is as bound cell carries out the guide rail 5 that plug guides.The closed card cage radiator structure that the specific embodiment of the invention describes uses printed circuit board 9 and heat conduction cover 11 to form one and constitute the most independent bound cell, heat conduction cover 11 absorbs the heat of printed circuit board 9, with relatively low thermal resistance, heat can be conducted the casing to closed card cage simultaneously.Meanwhile, heat conduction cover 11 contacts with the guide rail 5 of closed card cage again, forms the most independent screen unit so that between the printed circuit board 9 of closed card cage box house, mutual electromagnetic interference is the lowest.
As shown in accompanying drawing 2,3 and 5, as one of the present invention preferably specific embodiment, radiator structure farther includes to be arranged on the reinforcement 7 of card cage cylindrical body outer surface, and reinforcement 7 uses sheet metal bending shaped structure further.Reinforcement 7, for strengthening the sidewall of card cage cylindrical body, strengthens the heat dispersion of closed card cage simultaneously as radiating fin.
As shown in Figure 6, as one of the present invention preferably specific embodiment, between the lower wall 3 and upper wall 4 of closed card cage, and between lower wall 3, upper wall 4 and after-frame 1, front frame 2, between card cage barrel-like body and elongated metal plate, being formed further with panel beating seam 12 between card cage cylindrical body and reinforcement 7, panel beating seam 12 uses conduction heat sealable glue material to be filled with ensureing to seal and heat dispersion further.
As shown in accompanying drawing 2 and accompanying drawing 5, the specific embodiment of a kind of card cage, including: door 8, socket 6, printed circuit board 9, and radiator structure as above.Door 8 uses board making, and be fixed by screws on front frame 2, and forming the body structure of closed with card cage barrel-like body, one piece or more than the two pieces bound cell formed by printed circuit board 9 and heat conduction cover 11 by being arranged on the inside of card cage with socket 6 grafting being arranged on casing rear portion.Being further provided with back shroud 13 on after-frame 1, back shroud 13 can be fixed on after-frame 1 by screw or the mode such as riveting or welding, or after-frame 1 is integral type structure with back shroud 13, and socket 6 is arranged on back shroud 13.The card cage that the specific embodiment of the invention describes has the structural behaviour of height optimization, high electromagnetic compatibility usefulness, and extremely low cost advantage.
As one of the present invention preferably specific embodiment, after-frame 1, front frame 2, lower wall 3 and upper wall 4 use panel beating blanking structure the most further.Upper wall and lower wall within card cage cylindrical body are provided with elongated metal plate, and the outer surface of card cage cylindrical body is provided with reinforcement 7, elongated metal plate and reinforcement 7 and uses panel beating blanking structure the most further.
As shown in the radiator structure figure of accompanying drawing 7, the specific embodiment of a kind of closed card cage heat dissipating method, comprise the following steps:
The heat of A: printed circuit board 9 guides heat conduction cover 11 by heating column 10；
The heat of B: printed circuit board 9 is conducted to heat conduction cover 11 by heat radiation, free convection mode simultaneously；
C: heat conduction cover 11 conducts heat to the casing of closed card cage by guide rail 5, then is conducted heat to air by the casing of closed card cage and complete whole radiation processes.
As one of the present invention preferably specific embodiment, above-mentioned heat dissipating method also includes that the heat of closed card cage casing conducts to air (as shown in A in accompanying drawing 7) and completes whole radiation processes by being arranged on the reinforcement 7 of box outer surface further.
By implementing the closed card cage radiator structure that the specific embodiment of the invention describes, including card cage and the heat dissipating method of this structure, it is possible to reach techniques below effect:
(1) the closed card cage radiator structure that the specific embodiment of the invention describes can meet the requirement of card cage sealing and heat radiation simultaneously, make card cage globality strong, easily reach the degree of protection of IP65, meet high shield effectiveness, and the strength grade that outdoor vehicles needs simultaneously；
(2) rigidity of structure of the card cage that the specific embodiment of the invention describes is high, and the probability causing box deformation because of printed circuit board and the thermal expansion coefficient difference of heat conduction cover is minimum；
(3) simple in construction of the card cage that the specific embodiment of the invention describes, relatively low to required precision, mutually retrains, and the accumulation of error is the least between several main structure bodies；
(4) contact area between heat conduction cover and the printed wiring board of the closed card cage radiator structure that the specific embodiment of the invention describes is big, thermal contact resistance is little, and therefore radiating effect is preferable；
(5) the heat conduction cover of the closed card cage radiator structure that the specific embodiment of the invention describes forms the most independent screen unit with printed wiring board so that electromagnetic interference mutual between box house plug-in unit is the lowest；
(6) not having air-cooled in the closed card cage radiator structure that the specific embodiment of the invention describes, the radiator structure of the rapid wears such as water-cooled, the reliability that therefore radiator structure is overall is the highest；
(7) specific embodiment of the invention describes closed card cage radiator structure and method are directly to crucial heat generating spot direct construction cooling duct so that the cooling-down effect at thermo-responsive position is clearly；
(8) parts that mainly comprise of the card cage that the specific embodiment of the invention describes all have employed panel beating blanking structure and bending and forming making part, the therefore advantage of lower cost of card cage.
In this specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, and between each embodiment, identical similar portion sees mutually.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction.Although the present invention discloses as above with preferred embodiment, but is not limited to the present invention.Any those of ordinary skill in the art, in the case of without departing from the spirit of the present invention and technical scheme, technical solution of the present invention is made many possible variations and modification by the method and the technology contents that all may utilize the disclosure above, or is revised as the Equivalent embodiments of equivalent variations.Therefore, every content without departing from technical solution of the present invention, to any simple modification made for any of the above embodiments, equivalent, equivalence change and modify according to the technical spirit of the present invention, all still fall within the range of technical solution of the present invention protection.
Claims (11)
1. a closed card cage radiator structure, it is characterised in that for dispelling the heat the printed circuit board (9) in closed card cage, described radiator structure includes:
The card cage barrel-like body being made up of after-frame (1), front frame (2), lower wall (3), upper wall (4)；
Heat conduction cover (11), described heat conduction cover (11) is provided with heating column (10), and every piece of described printed circuit board (9) all forms a bound cell with described heat conduction cover (11)；
It is arranged on the guide rail (5) of described card cage cylindrical body inner upper wall and lower wall, plug of docking between the socket (6) realizing described bound cell and be arranged on described card cage barrel-like body rear portion guides, and the heat of described heat conduction cover (11) guides the casing of described closed card cage simultaneously.
Closed card cage radiator structure the most according to claim 1, it is characterized in that: the heat of described printed circuit board (9) guides described heat conduction cover (11) by described heating column (10), the heat of the most described printed circuit board (9) conducts to described heat conduction cover (11) also by heat radiation, free convection mode, described heat conduction cover (11) conducts heat to the casing of described closed card cage by described guide rail (5), then is conducted heat to air by the casing of described closed card cage and complete whole radiation processes.
Closed card cage radiator structure the most according to claim 1 and 2, it is characterized in that: be all equipped with the elongated metal plate of normal pitch at the upper wall within described card cage cylindrical body and lower wall, the guide-track groove that the gap between adjacent two blocks of described elongated metal plates is formed is as described bound cell carries out the guide rail (5) that plug guides.
Closed card cage radiator structure the most according to claim 3, it is characterized in that: described radiator structure farther includes to be arranged on the reinforcement (7) of described card cage cylindrical body outer surface, described reinforcement (7), for strengthening the sidewall of described card cage cylindrical body, strengthens the heat dispersion of described closed card cage as radiating fin.
Closed card cage radiator structure the most according to claim 4, it is characterized in that: between described lower wall (3) and upper wall (4), and described lower wall (3), between upper wall (4) and described after-frame (1), front frame (2), between described card cage barrel-like body and described elongated metal plate, being formed with panel beating seam (12) between described card cage cylindrical body and described reinforcement (7), described panel beating seam (12) uses conduction heat sealable glue material to be filled with ensureing to seal and heat dispersion.
6. a card cage, it is characterised in that including: door (8), back shroud (13), socket (6), printed circuit board (9), and radiator structure as claimed in claim 1 or 2；Described door (8) is fixed on described front frame (2), and described back shroud (13) is fixed on described after-frame (1), and described door (8), back shroud (13) form the casing of closed with described card cage barrel-like body；One piece or more than the two pieces bound cell formed by described printed circuit board (9) and described heat conduction cover (11) by being arranged on the inside of described card cage with socket (6) grafting being arranged on described casing rear portion.
Card cage the most according to claim 6, it is characterised in that: described socket (6) is arranged on described back shroud (13).
8. according to the card cage described in claim 6 or 7, it is characterised in that: described after-frame (1), front frame (2), lower wall (3) and upper wall (4) all use panel beating blanking structure.
Card cage the most according to claim 8, it is characterized in that: upper wall and lower wall within described card cage cylindrical body are provided with elongated metal plate, the outer surface of described card cage cylindrical body is provided with reinforcement (7), described elongated metal plate and reinforcement (7) and all uses panel beating blanking structure.
10. a closed card cage heat dissipating method based on structure as according to any one of claim 1 to 5, it is characterised in that comprise the following steps:
The heat of A: printed circuit board (9) guides heat conduction cover (11) by heating column (10)；
B: the heat of described printed circuit board (9) is conducted to described heat conduction cover (11) by heat radiation, free convection mode simultaneously；
C: described heat conduction cover (11) conducts heat to the casing of closed card cage by guide rail (5), then is conducted heat to air by the casing of described closed card cage and complete whole radiation processes.
11. closed card cage heat dissipating methods according to claim 10, it is characterised in that: described heat dissipating method also includes that the heat of described closed card cage casing conducts to air and completes whole radiation processes by being arranged on the reinforcement (7) of described box outer surface further.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376331.XA CN106332498B (en) | 2015-07-01 | 2015-07-01 | Closed card cage radiator structure, card cage and heat dissipating method including the structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510376331.XA CN106332498B (en) | 2015-07-01 | 2015-07-01 | Closed card cage radiator structure, card cage and heat dissipating method including the structure |
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| CN106332498A true CN106332498A (en) | 2017-01-11 |
| CN106332498B CN106332498B (en) | 2019-05-14 |
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| CN201510376331.XA Active CN106332498B (en) | 2015-07-01 | 2015-07-01 | Closed card cage radiator structure, card cage and heat dissipating method including the structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019104750A1 (en) * | 2017-11-29 | 2019-06-06 | Abb Schweiz Ag | Guide system for pcb assembly |
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| US20010012199A1 (en) * | 2000-02-02 | 2001-08-09 | Kenji Kinoshita | Installation structure of printed-circuit board for electronic control unit |
| CN202494971U (en) * | 2012-02-14 | 2012-10-17 | 深圳市研祥软件技术有限公司 | Reinforced CPCI (Compact Peripheral Component Interconnect) media board, chassis for installing the reinforced CPCI media board and reinforced CPCI computer |
| CN202918613U (en) * | 2012-09-03 | 2013-05-01 | 南京丰泰通信技术股份有限公司 | Multifunctional multiplexing access device with capability of closed heat radiation |
| CN204119683U (en) * | 2014-09-02 | 2015-01-21 | 北京四方继保自动化股份有限公司 | A kind of IP protects subrack |
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2015
- 2015-07-01 CN CN201510376331.XA patent/CN106332498B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20010012199A1 (en) * | 2000-02-02 | 2001-08-09 | Kenji Kinoshita | Installation structure of printed-circuit board for electronic control unit |
| CN202494971U (en) * | 2012-02-14 | 2012-10-17 | 深圳市研祥软件技术有限公司 | Reinforced CPCI (Compact Peripheral Component Interconnect) media board, chassis for installing the reinforced CPCI media board and reinforced CPCI computer |
| CN202918613U (en) * | 2012-09-03 | 2013-05-01 | 南京丰泰通信技术股份有限公司 | Multifunctional multiplexing access device with capability of closed heat radiation |
| CN204119683U (en) * | 2014-09-02 | 2015-01-21 | 北京四方继保自动化股份有限公司 | A kind of IP protects subrack |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019104750A1 (en) * | 2017-11-29 | 2019-06-06 | Abb Schweiz Ag | Guide system for pcb assembly |
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