CN106028735B - It is a kind of improve thermal diffusivity, intercommunity interaction device - Google Patents

Abstract

The present invention provides an interactor that improves heat dissipation and interoperability, including a cabinet, a backboard placed in the cabinet, a plug-in card installed on the backboard, a fan module and a power supply module installed in the cabinet, the backboard A number of plug-in ports are formed on it for installing the plug-in card, and a number of through holes are opened on the back board, and the plug-in card is inserted on the front and rear board surfaces of the back board, and the front and rear board surfaces The plug-in cards are in an orthogonal pair-fork structure, and the plug-in cards on the front and rear panels are plugged through the through holes to realize the orthogonality of digital signals and the orthogonality of radio frequency signals. The interchanger of the present invention connects the card and the backplane in an orthogonal cross structure to realize the orthogonality of the digital signal and the orthogonality of the radio frequency signal, so that the signals between the cards can be switched, and any two The intercommunication of signals between each plug-in card and the heat dissipation performance of the interactor are improved. Secondly, the interactor saves space and reduces costs.

Description

An interactor that improves heat dissipation and intercommunication

technical field

The invention relates to a communication device, in particular to an interactor with improved heat dissipation and intercommunication.

Background technique

Communication equipment is mainly used as a cable TV set-top box and Cable modem to access the communication system of the broadcasting network. During the signal transmission process of the communication equipment, when the line card in the communication equipment is broken, the original signal of this line card needs to be switched to the backup board, and the fan module needs to be used to dissipate heat from each mechanism in the communication equipment to ensure communication. The device is working normally. In the existing communication equipment, when the signals of two radio frequency boards are connected, a vertical backplane is set up in the case, and plug connectors are respectively arranged on the two board surfaces of the backplane, and the two radio frequency boards are plugged into the backplane respectively. The plug connectors on both sides are perpendicular to the backplane to realize the connection of the signals of the two RF boards. Due to the backplane blocking of this structure, it is not convenient for the wind to flow in from one end of the chassis and flow out from the other end of the chassis, causing communication equipment The heat dissipation performance of the backplane is not good; secondly, the two RF modules connected on both sides of the backplane are one-to-one docking on the same plane, and one-to-many docking cannot be realized, and the signal intercommunication with other RF boards cannot be effectively achieved. The cost is higher and the space occupied is larger.

Contents of the invention

In view of the above, it is necessary for the present invention to provide an interactor that has good heat dissipation performance and can realize signal intercommunication between any number of cards.

The technical solution provided by the present invention is as follows: an interactor that improves heat dissipation and interoperability, including a cabinet, a backplane placed in the cabinet, a plug-in card installed on the backplane, a fan module installed in the cabinet, and a power supply module , the backboard is formed with a number of sockets for installing the cards, the backboard is provided with a number of through holes, the cards are plugged into the front and rear surfaces of the backboard, and the front 1. The cards on the rear panel are in an orthogonal cross structure, and the cards on the front and rear panels are plugged through through holes to realize the orthogonality of digital signals and the orthogonality of radio frequency signals.

Further, the cabinet includes a cabinet body, the backboard is vertically installed in the cabinet, the backboard is divided into an upper board body area and a lower board body area, and the upper board body area is provided with several upper passages arranged in rows. Hole, the lower plate body area to open a through hole.

Further, the fan module includes a fan adapter plate and several fan boxes installed on the fan adapter plate, the fan adapter plate is horizontally inserted on the rear panel of the backplane, and several fan boxes are installed on the fan adapter plate upper and lower surfaces.

Further, guide holes are opened on the fan adapter plate, the fan box includes a box body and a fan placed in the box body, and guide pins are provided on the top wall of the box body to align with the guide pins on the fan adapter plate. holes, and guide grooves are provided on the bottom wall of the box to cooperate with the guide protrusions formed on the inner surface of the cabinet.

Further, one end of the two side walls of the box body is provided with a number of ventilation louvers, and the other end of the two side walls is formed with a back wall. The ventilation louvers are automatically opened under the action of the fan air flow, and automatically hang down and close when the fan stops.

Further, the power supply module includes a power supply installation board and several power supplies. The power supply installation board is horizontally plugged into the front panel of the backplane, and several power supplies are installed side by side on the upper surface of the power supply installation board. The positions of the holes correspond to each other, so that the upper through hole only sucks air for the cooling device that comes with the power module, and the lower through hole allows the fan module to ventilate when cooling the card.

Further, the insertion interface includes a horizontal insertion interface formed on the front surface of the backplane and a longitudinal insertion interface formed on the rear surface of the backplane, and the insertion card includes a front insertion card and a rear insertion card, and the front insertion card corresponds to Plugged into the longitudinal socket of the backplane, inserted vertically, the rear card is correspondingly plugged into the horizontal socket of the backplane, inserted horizontally, the front card and the rear card pass through The lower vias passing through the backplane are orthogonally connected.

Further, the front card is provided with an I/O connector, and the I/O connector is correspondingly connected to the longitudinal insertion interface, and the rear card is provided with an FFC/FPC connector, and the FFC/FPC connector is connected to the horizontal The plug interface corresponds to the connection.

Further, the front cards are thirteen line cards, and each line card is correspondingly plugged into the longitudinal socket of the backplane, one of which is a backup single board.

Further, the rear plug-in card includes two SMM boards and two RFIO boards, and the SMM boards and the RFIO boards are alternately plugged into the horizontal plug-in interface of the backplane, so that the normal connection of digital signals is realized between the line card and the SMM board. Orthogonality of RF signals between line cards and RFIO boards.

Compared with the prior art, the interchanger of the present invention is connected to the backplane in an orthogonal cross structure through the plug-in card to realize the orthogonality of the digital signal and the orthogonality of the radio frequency signal, so that the signals between the plug-in cards can be switched to realize multiple The signal intercommunication between any two cards between two cards, and improve the heat dissipation performance of the interactor, secondly, the interactor saves space and reduces cost.

Description of drawings

Fig. 1 is a schematic structural diagram of an interactor of the present invention;

Fig. 2 is a structural schematic diagram of another perspective of the interactor of the present invention;

Fig. 3 is a schematic diagram of an exploded structure of an interactor of the present invention;

Fig. 4 is a schematic structural view of the backplane in Fig. 3;

Fig. 5 is a schematic structural diagram of the connection between the plug-in card and the backplane in Fig. 3;

Fig. 6 is a schematic diagram of the connection between the fan adapter board and the power module and the backplane in Fig. 3;

Fig. 7 is a schematic structural view of the fan box in Fig. 3;

FIG. 8 is a structural schematic diagram of another viewing angle of the fan box in FIG. 3 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. In the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the drawings and in combination with the embodiments.

Referring to Fig. 1 to Fig. 3, the present invention provides an interactor with good heat dissipation and intercommunication, including a cabinet 10, a backplane 20 placed in the cabinet 10, a plug-in card 30 installed on the backplane 20, an installation The fan module 40 and the power module 50 in the cabinet 10 .

The cabinet 10 includes a cabinet body 11 and a cover body 12 installed on the cabinet body 11 . The cabinet body 11 includes a cabinet body bottom wall 111 and cabinet body side walls 112 formed on both sides of the cabinet body bottom wall 111. One end of the cabinet body bottom wall 111 is formed with a guide protrusion (not shown) for installing a fan module. 40. A plurality of locking protrusions 1121 are provided on the side wall 112, so as to hold the insertion card 30 and guide it during insertion. Ribs (not shown) are provided on the cover body 12 to improve the stability of the cover body 12 .

The backboard 20 is vertically installed in the cabinet body 11 and divides the cabinet body 11 into two cavities. The backboard 20 is used for insertion of the plug-in card 30 . Referring to FIG. 4 , several sockets 21 are provided on the front and rear surfaces of the backplane 20 , including a horizontal socket 211 formed on the front surface of the backplane 20 and a longitudinal socket 212 formed on the rear surface, so as to install the plug-in card 30 ; The backplane 20 is provided with a number of through holes 22 for the passage of wind or the docking of the front and rear plug-in cards 30 . In this embodiment, the back plate 20 is divided into an upper plate body area and a lower plate body area. The upper plate body area is provided with a plurality of through holes 221 arranged in rows, which can be regarded as upper through holes; the lower plate body area is provided with a through hole 222. , regarded as the lower through hole, the lower through hole 222 nearly occupies the entire area of the lower plate.

Please refer to Fig. 3 and Fig. 5, the plug-in card 30 is connected to the front panel and the rear panel of the backplane 20, and the plug-in cards 30 on the front and rear panels are connected in an orthogonal cross structure, so as to realize the orthogonality of digital signals and the RF signal Orthogonal. The plug-in card 30 includes a front plug-in card 31 and a rear plug-in card 32. The front plug-in card 31 is correspondingly plugged into the longitudinal insertion port 212 on the back panel of the backplane 20, and is inserted vertically; the rear plug-in card 32 is correspondingly plugged into the backplane. 20. On the horizontal insertion interface 211 of the front panel, it is inserted horizontally, and the corresponding cards on both sides of the rear card 32 are located at the holding protrusions 1121 of the side wall 112 of the cabinet body. The front card 31 and the rear card 32 are aligned. Cross-connection, specifically, the front card 31 is provided with an I/O connector 311 and a plug 312, and the front card 31 is longitudinally inserted on the rear panel of the backplane 20 in the cabinet body 11, and the I/O connector 311 Corresponding to the connection with the longitudinal insertion port 212, the rear insertion card 32 is provided with an FFC/FPC connector 321 and a socket 322, and the rear insertion card 32 is inserted horizontally on the front panel of the backplane 20 in the cabinet body 11, and the FFC/FPC connection Connector 321 is correspondingly plugged into the horizontal socket 211, and the plug 312 of the front card 31 passes through the lower through hole 222 of the backplane 20, and is correspondingly inserted into the socket 322 of the rear card 32, so that the front card 31 is connected to the rear card. Cards 32 are connected orthogonally. In this embodiment, the front plug-in cards 31 are thirteen line cards (the structural diagram of one of the line cards is shown in FIG. 4 ), and each line card is correspondingly plugged into the vertical insertion interface 212 of the backplane 20. , if a line card is damaged, the original signal of this line card can be switched to the backup single board to realize 12+1 redundant backup to improve reliability, reduce backup cost and save space; the rear card 32 includes the SMM board 323 and RFIO board 324, the SMM board 323 and the RFIO board 324 are each two pieces, and are alternately plugged into the horizontal socket 211 of the backplane 20 (shown in FIG. 4 is one SMM board 323 and one RFIO board 324 Schematic diagram of the structure), so that the orthogonality of digital signals between the line card and the SMM board 323 and the orthogonality of radio frequency signals between the line card and the RFIO board 324 are realized. In this embodiment, the rear card 32 is orthogonally connected to the front card 31. If one of the front cards 31 is damaged, the RF signal can be switched to another one through the switching chip of the RFIO board 324 in the rear card 32. On the front card 31, the external radio frequency interface of the rear card RFIO board 324 will not change due to the change of the front card 31, and the user will not perceive the switching of the front card 31, and the user's cable modem on the radio frequency coaxial line Also won't drop the line. The two SMM boards 323 and the front card 31 have control signals orthogonal to each other. If one of the SMM boards 323 is damaged, the other SMM board 323 will continue to ensure the normal operation of the control signals and realize the 1+1 redundant backup of the SMM board 323. .

The fan module 40 is used to dissipate heat from the communication equipment. Please refer to FIG. 3 and FIG. 6 . The fan module 40 includes a fan adapter plate 41 and several fan boxes 42 installed on the fan adapter plate 41 . The fan adapter plate 41 is inserted horizontally on the rear surface of the backplane 20 and adjacent to the top of the backplane 20, so as to be connected to the power supply module 50 through the backplane 20. Power supply, specifically, guide holes (not shown) are provided on the fan adapter plate 41, so as to connect the fan box 42; several fan boxes 42 are installed on one end of the cabinet body 11 and connected with the fan adapter plate 41, located on the fan adapter plate 41 upper surface and lower surface (in conjunction with referring to Fig. 1), fan box 42 is in order to provide air source; Please refer to Fig. There are two in the illustration), the box body 421 includes a bottom wall 4211, two side walls 4212 formed on the bottom wall 4211 and a top wall 4213 covered on the two side walls 4212, one end of the two side walls 4212 is provided with a number of ventilation windows Plate 4214 (illustration is not fully shown, only shows the upper part), the other end of two side walls 4212 is formed with back wall 4215; Under the action of the fan, it is automatically opened so that the air flow enters the lower through hole 222 of the back plate 20; when the fan 422 stops rotating, the ventilation window panel 4214 hangs down automatically to maintain the wind pressure balance. Bottom wall 4211 is provided with guide groove 4216, in order to cooperate with the guiding protrusion formed on cabinet 11; The guide hole on the fan adapter plate 41 cooperates, specifically, the guide pin 4217 penetrates in the guide hole on the fan adapter plate 41, and the guide groove 4216 penetrates on the guide protrusion formed by the cabinet body 11, so as to ensure that the fan box 42 Precisely installed on the cabinet body 11 and the fan adapter plate 41. A pull ring 4218 is provided on the back wall 4215 to facilitate the pulling of the fan box 42 .

Referring to Fig. 3 and Fig. 6, the power supply module 50 supplies power to the plug-in card 30 and the fan module 40 through the backplane 20. Horizontally plugged into the other side of the backplane 20 (the side opposite to the fan adapter plate 41), the power supply mounting plate 51 is connected to the fan adapter plate 41 through the backplane 20 to supply power to the fan module 40, refer to Fig. 2, a plurality of power supplies 52 are installed side by side on the upper surface of the power supply mounting plate 51 and aligned with the upper through hole 221 on the back plate 20, the power supply 52 has its own cooling device, so that the upper through hole 221 is equipped with the cooling device of the power supply 52. Suction.

When the interoperator is working, the power supply module 50 supplies power, and the Ethernet data from the two SMM on-board interfaces of the rear card 32 are distributed to the thirteen line cards of the front card 31 through the internal switch chip, and then passed through the line cards. Card processing, and finally the coaxial radio frequency signal is connected to the user end through the RFIO board 324 of the rear card 32, and the fan 422 in the fan module 40 generates airflow, and drives the ventilation window plate 4214 to open automatically, so that the airflow enters the backplane The through hole 22 of 20 dissipates heat to the interactor. When the fan 422 stops rotating, the ventilation window panel 4214 hangs down automatically to keep the wind pressure balanced. In the present invention, the fan adapter plate 41 is connected to the front and rear surfaces of the backplane 20 opposite to the power supply mounting plate 51, and separates the space corresponding to the upper board body area and the lower board body area of the back board 20, so that the upper board body The area is separated from the heat flow in the space corresponding to the area of the lower plate body. The upper through hole 221 only sucks air from the cooling device of the power module 50, so that the cold air directly enters the power module 50 without passing through the card 30 below the upper through hole 221. , thus improving the reliability of the power module 50 in a high temperature environment, the lower through hole 222 allows the fan module 40 to ventilate when cooling the plug-in card 30 , and the airflow direction is from the fan module 40 to the plug-in card 30 .

In summary, through the structural design of the backplane, the interconnector of the present invention enables the cards on both sides of the backplane to be connected in an orthogonal cross structure, realizing the orthogonality of digital signals and the orthogonality of radio frequency signals, so that the line cards and The signals between the SMM board 323 and the RFIO board 324 are switched to realize signal intercommunication between any two cards between multiple cards, which can reduce costs and save space; The front and back convection of the air flow improves the heat dissipation performance of the switch; by reducing the height of the switch cabinet, a larger access capacity can be achieved in the same cabinet space of the operator, while saving the expensive high-speed backplane, and the cost is lower , the post-maintenance is simple; finally, by designing guide pins on the fan module and guide holes matching the guide pins, the fan module can be accurately installed on the cabinet of the switch.

The above is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process conversion made by using the content of the description of the present invention, or directly or indirectly used in other related technical fields, shall be The same reasoning is included in the patent protection scope of the present invention.

Claims (9)

1. the interaction device of a kind of raising thermal diffusivity, intercommunity, including cabinet (10), the backboard (20) being placed in cabinet (10), peace Plug-in card (30) on backboard (20), the blower module (40) in cabinet (10) and power module (50), it is described Several interfaces (21) are formed on backboard (20), for installing the plug-in card (30), it is characterised in that：On the backboard (20) Several through-holes (22) are offered, the plug-in card (30) is plugged in the forward and backward plate face of backboard (20), and the plug-in card of forward and backward plate face (30) orthogonal thereto to pitching structure, and the plug-in card (30) of forward and backward plate face is plugged across through-hole (22), realizes digital signal just Hand over and radiofrequency signal it is orthogonal；The cabinet (10) includes cabinet (11), and the backboard (20) is vertically installed at cabinet (11) in；The blower module (40) includes several fan boxs on Fan Transit Unit (41) and installation Fan Transit Unit (41) (42), Fan Transit Unit (41) is flatly plugged in the rear plate face of backboard (20)；It is offered on the Fan Transit Unit (41) Pilot hole, fan box (42) include box body (421) and the fan (422) being placed in box body (421), the box body (421) Roof (4213) is equipped with guide pin (4217), to coordinate with the pilot hole on Fan Transit Unit (41), the box body (421) Guide groove (4216) is offered on bottom wall (4211), to coordinate with the guiding raised line formed on cabinet (11) inner surface.

2. interactive device according to claim 1, it is characterised in that：The backboard (20) is divided into upper plate body area and lower body Area, upper plate body area offer several upper through-holes (221) in row's arrangement, and lower body area opens up a lower through-hole (222).

3. interactive device according to claim 1, it is characterised in that：Several fan boxs (42) are mounted on Fan Transit Unit (41) Upper surface and lower surface.

4. interactive device according to claim 1, it is characterised in that：Two side (4212) one end of the box body (421) is set There are several ventilation luffer boards (4214), the other end of two side (4212) to be formed with back wall (4215), ventilation luffer boards (4214) are in wind It automatically opens under the action of fan (422) is distinguished and admirable, is closed under automatic vertical when fan (422) stop.

5. interactive device according to claim 1, it is characterised in that：The power module (50) includes power supply mounting plate (51) And if supply (52), the power supply mounting plate (51) is flatly plugged on the front face of backboard (20), if supply (52) it is abreast mounted on power supply mounting plate (51) upper surface, it is corresponding with upper through-hole (221) position on backboard (20) so that on Through-hole (221) only to power module (50) carry radiator air draught, lower through-hole (222) so that blower module (40) to plug-in card (30) it divulges information when radiating.

6. interactive device according to claim 2, it is characterised in that：The interface (21) includes before being formed in backboard (20) The transverse splicing mouth (211) of plate face and the longitudinal interface (212) for being formed in backboard (20) plate face afterwards, plug-in card (30) packet Include preceding plug-in card (31) and rear plug-in card (32), the corresponding longitudinal interface (212) for being plugged to backboard (20) of preceding plug-in card (31) On, it is planted in longitudinal direction, rear plug-in card (32) correspondence is plugged on the transverse splicing mouth (211) of backboard (20), is planted in lateral, The preceding plug-in card (31) passes through lower through-hole (222) orthogonal thereto grafting of backboard (20) with the rear plug-in card (32).

7. interactive device according to claim 6, it is characterised in that：The preceding plug-in card (31) is equipped with I/O connector (311), I/O connector (311) is correspondingly connected with longitudinal interface (212), and the rear plug-in card (32) is equipped with FFC/FPC connections Device (321), FFC/FPC connectors (321) are correspondingly connected with transverse splicing mouth (211).

8. interactive device according to claim 7, it is characterised in that：The preceding plug-in card (31) is tridecyne line card, and each Correspondence is plugged on longitudinal interface (212) of backboard (20) block line card respectively, and one of is backup veneer.

9. interactive device according to claim 8, it is characterised in that：After described plug-in card (32) include two pieces of SMM plates (323) with And two pieces of RFIO plates (324), SMM plates (323) replace the transverse splicing mouth (211) for being plugged to backboard (20) with RFIO plates (324) On, it is penetrated so as to be realized between the orthogonal and line card and RFIO plates (324) of realization digital signal between line card and SMM plates (323) Frequency signal it is orthogonal.