CN114597698B - LRM module capable of being quickly assembled and disassembled and preventing rain and electromagnetic shielding - Google Patents
LRM module capable of being quickly assembled and disassembled and preventing rain and electromagnetic shielding Download PDFInfo
- Publication number
- CN114597698B CN114597698B CN202210189289.0A CN202210189289A CN114597698B CN 114597698 B CN114597698 B CN 114597698B CN 202210189289 A CN202210189289 A CN 202210189289A CN 114597698 B CN114597698 B CN 114597698B
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- Prior art keywords
- box body
- module
- cold plate
- cold
- plate box
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- 239000002390 adhesive tape Substances 0.000 claims abstract description 34
- 239000002131 composite material Substances 0.000 claims abstract description 25
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 230000017525 heat dissipation Effects 0.000 claims description 29
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 229920002379 silicone rubber Polymers 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 4
- 238000001816 cooling Methods 0.000 description 7
- 229920001971 elastomer Polymers 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 230000002265 prevention Effects 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0213—Venting apertures; Constructional details thereof
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0247—Electrical details of casings, e.g. terminals, passages for cables or wiring
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/14—Mounting supporting structure in casing or on frame or rack
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0007—Casings
- H05K9/0015—Gaskets or seals
Abstract
The LRM module comprises a functional board card, a connector plug connected with the functional board card, and a cold board box body for accommodating the functional board card, wherein the rear end of the cold board box body is provided with a connector mounting groove, and a cover plate for sealing the functional board card is covered on the cold board box body; the composite waterproof conductive adhesive tape is filled between the connector plug and the cold plate box body and between the functional board card and the functional board card are respectively filled with the composite waterproof conductive adhesive tape; the cold plate box body is arranged on a guide rail of the chassis where the cold plate box body is arranged in a sliding mode, and the front end of the cold plate box body is detachably arranged at the opening of the chassis and provided with a pull-out aid. The module is matched with the upper guide rail and the lower guide rail of the chassis, the module is assisted by the aid of the aid device when being inserted, the aid device can be clamped on the module and fixed after being inserted in place, and the aid device can also play a good auxiliary role when being disassembled; the module is fixed through the loose screw on the module, and the module can be quickly detached from the chassis; the waterproof structure design can meet electromagnetic shielding and rain-proof requirements.
Description
Technical Field
The invention belongs to the technical field of electronic equipment, and particularly relates to an LRM module which can be quickly assembled and disassembled and can prevent rain and electromagnetic shielding.
Background
With the development of electronic interconnection devices, open-type and semi-open-type cabinets are increasingly used in various fields. However, for open and semi-open cabinets, if the functions of rain protection and electromagnetic shielding are required to be met, the matched functional modules are required to individually meet the requirements of rain protection and electromagnetic shielding.
At present, the mainstream functional modules can not meet the requirements of rain prevention and electromagnetic shielding in the external environment, and are loaded and unloaded and fixed more fussy. The connector and the module shell cannot be electrically continuous and waterproof sealed, locking strips are universally installed, and the problems of complicated assembly and disassembly, inconvenient use and the like exist, so that the development requirement of an open chassis cannot be met.
The number of functional modules in the chassis is generally two, and one is a VPX air cooling module (shown in fig. 1) conforming to the VITA standard; one such LRM air cooling module is a ASSAC standard compliant LRM air cooling module (shown in fig. 2).
The current module has the following two general problems:
the connector cannot be completely sealed with the cold plate of the module housing after installation, and electrical continuity between the connector housing and the cold plate cannot be ensured, as shown in fig. 3;
after the modules are inserted and combined, locking strips on two sides of the modules are adopted for locking, the installation and the disassembly are complicated, and the modules are not smoothly pulled out after the locking strips are loosened due to the fact that the locking stroke of the locking strips is not large, as shown in fig. 4.
Disclosure of Invention
In order to solve the technical problems that the module is complex to install and cannot meet the requirements of rain prevention and electromagnetic shielding, the invention provides an LRM module which can be quickly assembled and disassembled and can prevent rain and electromagnetic shielding.
The aim of the invention is realized by adopting the following technical scheme. The LRM module capable of being assembled and disassembled quickly and preventing rain and electromagnetic shielding comprises a functional board card, a connector plug connected with the functional board card, and a cold board box body for accommodating the functional board card, wherein the rear end of the cold board box body is provided with a connector mounting groove for the connector plug to penetrate out, and the cold board box body is covered with a cover plate for packaging the functional board card; the composite waterproof conductive adhesive tape is filled between the connector plug and the cold plate box body and between the functional board card and the functional board card are respectively filled with the composite waterproof conductive adhesive tape; the upper and lower edges of the cold plate box body are arranged on the guide rail of the chassis where the cold plate box body is arranged in a sliding manner, and the front end of the cold plate box body is detachably arranged at the opening of the chassis and provided with a pull-out aid.
Further, the outer side of the front end of the cold plate box body is provided with a mounting lug, and the mounting lug is provided with a loose screw for mounting the cold plate box body on the case.
Furthermore, a plurality of heat dissipation teeth are arranged on the back surface of the cold plate box body in an up-down symmetrical mode, a heat dissipation channel with the extending direction being the same as the sliding insertion direction of the module is arranged between the two rows of heat dissipation teeth, and gaps for communicating the heat dissipation channel with the edge of the cold plate box body are reserved between the adjacent heat dissipation teeth.
Further, the heat dissipation teeth of the same row are parallel to each other, and the heat dissipation teeth are obliquely arranged towards the rear end of the cold plate box body in the direction from the heat dissipation channel to the edge of the cold plate box body.
Further, the included angle between the radiating teeth and the extending direction of the radiating channel is 45 degrees.
Further, an annular composite waterproof conductive adhesive tape is arranged on the connector plug in a surrounding mode.
Further, the rubber strip protrusions are arranged on two sides of the annular composite waterproof conductive rubber strip, and the functional board clamp is mutually connected with the composite waterproof conductive rubber strip filled between the cold board box body and the cover plate and the rubber strip protrusions.
Further, the composite waterproof conductive adhesive tape is adhered to the corresponding position through the sealing silicon rubber.
Furthermore, two pulling aids are symmetrically arranged at the front end of the cold plate box body up and down.
Compared with the prior art, the invention has the following advantages: the module is matched with the upper guide rail and the lower guide rail of the chassis, so that the module is smooth and silky when being installed, the module is assisted by the aid of the aid when being inserted, the aid of the aid can be clamped on the module and fixed after being inserted in place, and the aid of the aid can also play a good auxiliary role when being disassembled; the module is fixed through loose screws on upper and lower mounting lugs on the module, so that the module can be quickly detached from the chassis when being detached; the waterproof structure design of the combining surface of each component of the module can meet the requirements of electromagnetic shielding and rain prevention of the module level, and is suitable for open and semi-open cabinets.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention, as well as the preferred embodiments thereof, together with the following detailed description of the invention, given by way of illustration only, together with the accompanying drawings.
Drawings
FIG. 1 is a perspective view of a prior art VPX air cooling module according to the VITA standard;
FIG. 2 is a perspective view of an LRM air cooling module according to ASSAC standard in the prior art;
FIG. 3 is a schematic illustration of a prior art connector with a module housing having a slot therein after installation;
FIG. 4 is a schematic diagram of the prior art mating of locking bars on both sides of a module with a chassis rail;
Fig. 5 is an exploded view of an LRM module with fast assembly and disassembly and rain and electromagnetic shielding capabilities according to an embodiment of the present invention;
FIG. 6 is a schematic view of the module of FIG. 5 mounted within a chassis and in a stationary state;
FIG. 7 is a schematic illustration of the module of FIG. 5 inserted into a chassis but not plugged in;
FIG. 8 is a schematic view of the module de-coverplate and composite waterproof conductive adhesive tape of FIG. 5;
FIG. 9 is a schematic diagram of the module of FIG. 5 with a cover removed;
FIG. 10 is a rear view of FIG. 5;
FIG. 11 is a schematic diagram illustrating the installation of the connector and the function board card of FIG. 5;
FIG. 12 is a schematic view of the installation of the cover plate of FIG. 5;
FIG. 13 is a schematic view of the guide rail guiding stage of the module of FIG. 5 during insertion into a chassis;
FIG. 14 is a schematic view of the assist in the insertion stage of the extractor during insertion of the module of FIG. 5 into a chassis;
FIG. 15 is a schematic view of the module of FIG. 5 after being inserted into place;
Fig. 16 is a cross-sectional view of the module of fig. 5 after insertion into a chassis.
[ Reference numerals ]
101-VPX connector, 102-locking bar I,201-LRM connector, 20101-guide post, 202-locking bar II, 3-connector & cold plate box gap, 401-module guide rail slot, 402-locking bar & guide rail gap, 5-function board card, 6-cold plate box, 601-heat dissipating tooth, 602-heat dissipating channel, 603-mounting ear, 604-connector mounting slot, 605-step, 606-adhesive tape mounting slot, 7-cover plate, 8-booster, 801-handle slot, 802-roller, 803-handle, 9-M4 loose screw, 10-chassis, 1001-guide rail, 1002-roller slot, 1003-back cover plate assembly, 1004-air duct, 1005-back plate mounting plate, 1006-connector socket, 1007-back plate is not visible, 1008-power supply connector, 1009-waterproof fan, 1010-sealing cavity, 1011-drain hole, 1012-waterproof air-permeable valve, 11-annular composite waterproof conductive adhesive tape, 1101-adhesive tape protrusion, 12-composite waterproof conductive adhesive tape, 13-14-air inlet connector plug, 15-air inlet connector plug.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
One embodiment of an LRM module of the present invention that is quickly removable and is resistant to rain and electromagnetic shielding is shown in fig. 5-16. The LRM module comprises a functional board card 5, a cold board box body 6, a cover plate 7, a pull-up aid 8, a screw 9 which is not loosened by M4 and a connector plug 15. The connector plug 15 is part of an LRM connector that also includes a connector receptacle located in the chassis.
The whole cold plate box body 6 is a rectangular and thin plate-shaped box body, the front surface of the box body is open, and a cavity for placing the functional board card 5 is formed inside the box body. The back of cold plate box body 6 sets up heat dissipation tooth 601, and a plurality of heat dissipation teeth 601 symmetry are arranged in the back both sides of cold plate box body 6, and the heat dissipation tooth 601 parallel arrangement of arbitrary one side leaves heat dissipation passageway 602 between the heat dissipation tooth 601 of both sides. One end of the heat dissipation channel 602 is an air inlet 13, the air inlet 13 is located at the head of the cold plate box 6, and the heat dissipation teeth 601 on any side incline from one side close to the head and the heat dissipation channel 602 to the tail and the outer side edge, in this embodiment, the inclination angle between the heat dissipation teeth 601 and the module inserting direction is 45 °. Gaps are reserved between two adjacent radiating teeth 601 in any side radiating teeth 601, and the edges of the gaps, which are close to the cold plate box body 6, are air outlets 14. Cooling air enters the gaps between the heat radiation teeth 601 from the air inlet 13 through the heat radiation channels 602, and flows out from the air outlet 14. The functional board card 5 is arranged in the cold board box body 6, the area where the functional board card 5 is positioned is the same as the area where the heat dissipation teeth 601 are positioned, and under the action of cooling air, the heat emitted by the functional board card 5 can be timely conducted out. The structural design of the heat dissipation tooth 601 can change a single-side air channel into a two-side air channel, so that wind resistance is effectively reduced.
The connector plug 15 electrically connected with the functional board card 5 is installed at the tail part of the functional board card 5, the connector mounting groove 604 is formed at the tail part of the cold board box body 6, and the connector mounting groove 604 is communicated with the inner cavity of the cold board box body 6 and the outside of the cold board box body 6 and is used for installing the connector plug 15. After the functional board card 5 and the connector plug 15 are installed on the cold plate box body 6, the cover plate 7 is covered, and the functional board card 5 is packaged in the cold plate box body 6. The annular composite waterproof conductive adhesive tape 11 is arranged on the connector plug 15 in a surrounding mode, and the annular composite waterproof conductive adhesive tape 11 is used for filling and sealing gaps between the connector plug 15 and the connector mounting groove 604 and gaps between the connector plug and the cover plate 7. After the connector plug 15 is mounted, its insertion end extends out of the cold plate box 6, and both sides thereof are provided with guide posts 20101 for guiding when inserted. After the connector plug 15 is installed in place, annular composite waterproof conductive adhesive tapes 11 are arranged on the joint surfaces of the connector plug 15, the cold plate box body 6 and the cover plate 7, so that the rain resistance and the electromagnetic shielding performance of the connector plug 15 after installation are ensured.
The inner wall of the open part of the cold plate box body 6 is provided with a step 605 in a surrounding manner, a plurality of threaded holes are distributed on the step 605, the cover plate 7 is covered on the cold plate box body 6, meanwhile, the tail part of the cover plate 7 is pressed on the annular composite waterproof conductive adhesive tape 11 on the connector plug 15, and then the cover plate 7 is fixed on the cold plate box body 6 by using screws. The inner side of the step 605 is provided with a rubber strip mounting groove 606, and the rubber strip mounting groove 606 is provided with a composite waterproof conductive rubber strip 12. The width of the position of the adhesive tape mounting groove 606 close to the connector mounting groove 604 is wider, adhesive tape bulges 1101 are arranged on two sides of the position of the annular composite waterproof conductive adhesive tape 11 corresponding to the adhesive tape mounting groove 606, and the ends of the adhesive tape bulges 1101 corresponding to the composite waterproof conductive adhesive tape 12 are nested at the ends of the adhesive tape mounting groove 605 together, so that the sealing performance and the electrical continuity of the matching surface of the cover plate 7 and the box body after the cover plate 7 is mounted are ensured.
The annular composite waterproof conductive adhesive tape 11 on the connector plug 15 and the composite waterproof conductive adhesive tape 12 on the cold plate box body 6 are adhered and fixed by adopting sealing silicone rubber.
Both sides of the front end of the cold plate box body 6 are provided with a mounting lug 607, and the mounting lug 607 is provided with an M4 loosening-preventing screw 9 for replacing a locking bar to fix the module. Two sides of the front end of the cold plate box body 6 are respectively provided with a pulling-out assisting device 8, and pulling-out assisting devices 8 and M4 non-loosening screws 9 on the same side are distributed in the thickness direction of the cold plate box body 6. The extractor aid 8 rotates around a pin inserted in the cold plate box 6, the pin being perpendicular to the cold plate box 6. The front end of the cold plate box body 6 is provided with a handle groove 801 for placing a handle 803 on the pull aid 8, and the other end part of the cold plate box body extends out of the edge of the cold plate box body 6 and is provided with a roller 802.
The front end of the chassis 10 to which the module is mounted is opened, and a plurality of guide rails 1001 are provided in the upper and lower sides of the interior thereof, and the module is vertically inserted into the chassis 10, with the upper and lower edges of the module being slidably provided on the corresponding guide rails 1001. Screw holes corresponding to the M4 loosening-preventing screws 9 one by one and roller grooves 1002 corresponding to the pulling-assisting devices 8 one by one are respectively arranged on the upper side and the lower side of the front end opening of the case 10, and the upper side and the lower side of the front end opening of the case are opposite to the opening of the roller grooves 1002 corresponding to the same module. When the module is inserted, the extending direction of the pull-up assisting device 8 is the same as the inserting direction, the roller 802 of the pull-up assisting device 8 moves to the opening of the roller groove 1002, then the handle 803 is rotated to enable the roller 802 to enter the groove 1002, meanwhile, the handle of the pull-up assisting device 8 is nested in the handle groove 801, in the process, the module is installed in place, the connector plug is inserted into the connector socket, and then the M4 loosening-preventing screw 9 is screwed into the corresponding threaded hole, so that the module is fixed. When the module is disassembled, the screw 9 is not loosened by unscrewing M4, the handle 801 is pulled outwards, the module is separated from the chassis, and the module is taken out. When the module is assembled and disassembled by using the pulling aid 8, the whole process is smoother.
Gaps are reserved among a plurality of guide rails 1001 of the case 10, an air channel 1004 is reserved between the guide rail on any side and an external shell at the corresponding position of the case 10, a rear cover plate assembly 1003 is arranged at the tail end of the case 10, a cavity corresponding to the air channel is arranged on the rear cover plate assembly 1003, a waterproof fan 1009 communicated with the outside is arranged at the tail of the cavity, air at the opening of the case enters the inside of the case under the action of the waterproof fan 1009, and then the air enters the outside air again along the heat dissipation channel 602, the gaps among the heat dissipation teeth 601, the air channel 1004 and the waterproof fan 1009, so that heat generated by a module is taken away.
The back cover plate assembly 1003 is provided with a back plate mounting plate 1005, a back plate component 1007 is mounted on the back side of the back plate mounting plate, a plurality of connector sockets 1006 connected with the back plate component 1007 are further arranged on the back plate mounting plate 1005, the plugging ends of the connector sockets 1006 face to the front side, and when the modules are plugged in place, the connector plugs 15 at the rear ends of the functional modules are plugged with the connector sockets 1006.
The airtight sealed cavity 1010 is constituteed with the back shroud subassembly to the quick-witted case rear end, all installs compound bimodality conductive adhesive tape between the piece of sealed cavity 1010 lateral wall, and backplate mounting panel 1005, connector socket 1006, backplate part 1007 and cable subassembly are in sealed cavity 1010, and the module cartridge is in quick-witted incasement back, and the connector plug 15 of module rear end is pegged graft with connector socket 1006, and the compound bimodality conductive adhesive tape that annular compound waterproof conductive adhesive tape 11 on the connector plug 15 corresponds with sealed cavity 1010 grafting position department all closely cooperates, prevents to leak. The wall body of the sealing cavity 1010, which is close to the waterproof fan 1009, is penetrated with a power supply connector 1008, the power supply connector 1008 adopts the waterproof connector, and the inside of the case supplies power to the waterproof fan 1009 through the power supply connector 1008. A waterproof and ventilation valve 1012 is arranged on the wall between the sealing cavity 1010 and the lower air duct 1004, and is used for balancing the air pressure inside and outside the sealing cavity when the case is in a plateau environment with lower air pressure. The bottom shell of the case is provided with a drain hole 1011 near the rear cover plate component, and water is converged to the bottom of the case and discharged from the drain hole 1011 after entering the case along with air.
The module is matched with the upper and lower guide rails of the case 10, so that the module is smooth and silky in installation, the module is assisted by the aid of the aid device 8 in insertion, the aid device 8 can be clamped on the module and fixed after the module is inserted in place, and the aid device 8 can also play a good auxiliary role in disassembly; the module is fixed through loose screws on upper and lower mounting lugs on the module, so that the module can be quickly detached from the chassis when being detached; the waterproof structure design of the combining surface of each component of the module can meet the requirements of electromagnetic shielding and rain prevention of the module level, and is suitable for open and semi-open cabinets.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a but quick loading and unloading just can prevent rain and electromagnetic shield's LRM module, includes function integrated circuit board (5), connector plug (15) be connected with function integrated circuit board (5), its characterized in that: the multifunctional integrated circuit board also comprises a cold board box body (6) for accommodating the functional board card (5), wherein a connector mounting groove (604) for a connector plug (15) to penetrate out is formed at the rear end of the cold board box body (6), and a cover plate (7) for covering and packaging the functional board card (5) is arranged on the cold board box body (6); composite waterproof conductive adhesive tapes are filled between the connector plug (15) and the cold plate box body (6) and between the functional board card (5) and the cold plate box body (6) and between the functional board card and the functional board card (7); the upper edge and the lower edge of the cold plate box body (6) are arranged on a guide rail of the case where the cold plate box body is arranged in a sliding manner, and the front end of the cold plate box body (6) is detachably arranged at the opening of the case and provided with a pull-out aid (8); the back of the cold plate box body is provided with a plurality of heat dissipation teeth (601) in an up-down symmetrical arrangement, a heat dissipation channel (602) with the same extension direction as the sliding insertion direction of the module is arranged between the two rows of heat dissipation teeth (601), gaps for communicating the heat dissipation channel (602) with the edge of the cold plate box body are reserved between the adjacent heat dissipation teeth (601), the heat dissipation teeth (601) in the same row are mutually parallel, and the heat dissipation teeth (601) are obliquely arranged towards the rear end of the cold plate box body in the direction from the heat dissipation channel to the edge of the cold plate box body; the gaps of the adjacent radiating teeth (601) are communicated with the corresponding air channels at the upper part and the lower part of the chassis, and the waterproof fan in the chassis enables outside air to pass through the radiating channels, the gaps of the adjacent radiating teeth and the air channels in sequence and return to the outside again, so that the functional board card is cooled, and the moisture of the air is discharged from the drain hole at the lower part of the chassis.
2. The LRM module as claimed in claim 1, wherein the LRM module is fast detachable, and is rain resistant and electromagnetic shielding: the outer side of the front end of the cold plate box body (6) is provided with a mounting lug, and the mounting lug is provided with a loose screw for mounting the cold plate box body (6) on the case.
3. The LRM module as claimed in claim 1, wherein the LRM module is fast detachable, and is rain resistant and electromagnetic shielding: the included angle between the radiating teeth (601) and the extending direction of the radiating channels (602) is 45 degrees.
4. The LRM module as claimed in claim 1, wherein the LRM module is fast detachable, and is rain resistant and electromagnetic shielding: an annular composite waterproof conductive adhesive tape (11) is arranged on the connector plug (15) in a surrounding mode.
5. The LRM module as claimed in claim 4, wherein the LRM module is fast detachable and is rain and electromagnetic shielding resistant, and further comprising: the two sides of the annular composite waterproof conductive adhesive tape (11) are provided with adhesive tape bulges (1101), and the functional board card (5) is mutually connected with the composite waterproof conductive adhesive tape filled between the cold board box body (6) and the cover plate (7) and the adhesive tape bulges (1101).
6. The LRM module as claimed in claim 1, wherein the LRM module is fast detachable, and is rain resistant and electromagnetic shielding: the composite waterproof conductive adhesive tape is adhered to the corresponding position through the sealing silicon rubber.
7. The LRM module as claimed in claim 1, wherein the LRM module is fast detachable, and is rain resistant and electromagnetic shielding: two pulling aids (8) are symmetrically arranged at the front end of the cold plate box body up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210189289.0A CN114597698B (en) | 2022-02-28 | 2022-02-28 | LRM module capable of being quickly assembled and disassembled and preventing rain and electromagnetic shielding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210189289.0A CN114597698B (en) | 2022-02-28 | 2022-02-28 | LRM module capable of being quickly assembled and disassembled and preventing rain and electromagnetic shielding |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114597698A CN114597698A (en) | 2022-06-07 |
| CN114597698B true CN114597698B (en) | 2024-04-16 |
Family
ID=81816305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210189289.0A Active CN114597698B (en) | 2022-02-28 | 2022-02-28 | LRM module capable of being quickly assembled and disassembled and preventing rain and electromagnetic shielding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114597698B (en) |
Citations (12)
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| CN114597698A (en) | 2022-06-07 |
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