CN213938686U

CN213938686U - Case for programmable radio frequency switch matrix system

Info

Publication number: CN213938686U
Application number: CN202023024410.XU
Authority: CN
Inventors: 不公告发明人
Original assignee: Nanjing Chenghe Intelligent Technology Co ltd
Current assignee: Nanjing Chenghe Intelligent Technology Co ltd
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-10
Anticipated expiration: 2030-12-15

Abstract

The utility model relates to a radio frequency switch matrix system able to programme uses quick-witted case, it includes quick-witted case, quick-witted case includes box and case lid, be equipped with the main control board in the box, be equipped with a plurality of bracing pieces in the box, it is a plurality of be equipped with the backup pad on the bracing piece, the backup pad is located between bracing piece and the case lid, the main control board is installed in the backup pad, a plurality of gas holes of wearing have been seted up in the backup pad, a plurality of first louvres and second louvre have wherein been seted up on two relative lateral walls to the machine case, the machine incasement is equipped with the fan, the fan is located between a plurality of first louvres and the backup pad, the air outlet of fan is towards a plurality of gas holes of wearing. The application has the technical effects that: the heat that the main control board produced can dispel the quick-witted case fast, and the radiating effect of quick-witted case is good.

Description

Case for programmable radio frequency switch matrix system

Technical Field

The application relates to the technical field of 5G communication testing, in particular to a case for a programmable radio frequency switch matrix system.

Background

The chassis typically includes a housing, brackets, various switches on the panel, indicator lights, etc. The shell is made of steel plates and plastics in a combined mode, is high in hardness and mainly plays a role in protecting elements inside the case.

The publication number CN203181443U discloses a self-monitoring communication chassis, which comprises a communication chassis body, a power module arranged in the communication chassis body, a control module connected with the power module, a pressure sensor connected with the control module, and a camera device; the pressure sensor is arranged on the inner side of a lock hole on the communication case body, the camera device is arranged in the communication case body, and the lens is aligned to the opening direction of the case door; the control module controls the camera device according to the real-time detection result of the pressure sensor.

The technical scheme has the following defects: the inventor thinks that the case is totally closed, and the heat in the case is difficult to be quickly dissipated, so that the heat dissipation effect of the case is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the heat dissipation performance of the chassis, the chassis for the programmable radio frequency switch matrix system provided by the application adopts the following technical scheme:

the utility model provides a radio frequency switch matrix system able to programme machine case, includes quick-witted case, machine case includes box and case lid, be equipped with the main control board in the box, be equipped with a plurality of bracing pieces in the box, it is a plurality of be equipped with the backup pad on the bracing piece, the backup pad is located between bracing piece and the case lid, the main control board is installed in the backup pad, a plurality of gas holes of wearing have been seted up in the backup pad, a plurality of first louvre and second louvre have been seted up respectively on wherein two relative lateral walls of machine case, the machine incasement is equipped with the fan, the fan is located between a plurality of first louvre and the backup pad, the air outlet of fan is towards a plurality of gas holes of wearing.

Through above-mentioned technical scheme, the heat transfer that the main control board gived off to the backup pad, can drive the air current when the fan starts and flow in from a plurality of first louvres, flows from the second louvre through the gas passing hole, and the air current can take the heat out from the backup pad through the gas passing hole, and the setting of gas passing hole makes the heat in the backup pad can spill fast to the heat in the main control board can spill fast from the backup pad, has improved the radiating effect of quick-witted case.

Optionally, a plurality of support columns are arranged in the air through holes, and air holes with the same direction as the air through holes are formed in the outer edges of the support columns.

Through above-mentioned technical scheme, the support column has the effect of supporting the perforation hole, thereby the support column has reduced the perforation hole and has produced deformation by external force extrusion and influence radiating possibility, and when the air current flowed through the perforation hole, the air current of flowing through the support column flowed along the bleeder vent on the support column to the air current can pass through the perforation hole fast.

Optionally, a dust screen for sealing the first heat dissipation holes is arranged in the case, and the dust screen is located between the support plate and the first heat dissipation holes.

Through above-mentioned technical scheme, when the fan drives the air current and flows in from first louvre, the dust screen has the filter action to the air current that first louvre flowed in, has reduced the gas passing hole because the dust piles up the possibility that leads to the jam to the heat dissipation that the gas passing hole can be stable.

Optionally, the case is relatively provided with two connecting blocks, the connecting blocks are provided with clamping grooves matched with the dust screen, and the dust screen is correspondingly clamped in the two clamping grooves.

Through above-mentioned technical scheme, the mode of user's accessible with the dustproof net pull-out draw-in groove unloads the dustproof net from the connecting block to the user can regularly clear up or change the dustproof net in order to be convenient for.

Optionally, a fixing groove is formed in a groove wall of the clamping groove, a fixing spring is arranged in the fixing groove, a limiting ball is arranged on the fixing spring, the limiting ball partially extends out of the fixing groove, a limiting groove matched with the limiting ball is formed in the dust screen, and the limiting ball is abutted against the limiting groove.

Through the technical scheme, when the dustproof network card is connected in the clamping groove, the fixed spring pushes the limiting ball to abut against the groove wall of the limiting groove, the limiting ball increases the friction force between the dustproof network and the clamping groove, the possibility that the dustproof network slides out of the clamping groove is reduced, and the dustproof network can be firmly connected in the clamping groove.

Optionally, a plurality of connecting grooves are formed in the connecting block, a plurality of connecting rods matched with the connecting grooves are arranged on the case cover, the connecting rods are correspondingly inserted into the connecting grooves, a rubber sleeve is sleeved at one end, far away from the case cover, of each connecting rod, and the rubber sleeve is abutted against the wall of each connecting groove.

Through the technical scheme, a user can detach the box cover from the box body in a mode of pulling the connecting rod out of the connecting groove, so that the user can conveniently overhaul the main control board in the box body; meanwhile, the rubber sleeve is arranged, so that the friction force between the connecting rod and the connecting groove is increased, the possibility that the connecting rod slides out of the connecting groove is reduced, and the connection firmness between the connecting rod and the connecting groove is enhanced.

Optionally, a plurality of fixed blocks are arranged on the dust screen, thread grooves are formed in the fixed blocks, a plurality of connecting bolts penetrate through the box cover and are connected with the box cover through bolts, and the connecting bolts correspond to the bolts and are connected in the thread grooves respectively.

Through above-mentioned technical scheme, when upwards pulling the case lid, the case lid can drive connecting bolt and remove, and connecting bolt can drive the fixed block and remove, and the fixed block can drive the dust screen and remove together for connecting rod and spread groove separation, dust screen and case lid can be lifted off from the box together, so that the user can convenient and fast dismantle case lid and dust screen.

Optionally, the case is hinged with two limiting plates, the limiting plates are provided with first magnetic blocks, the case cover is provided with two second magnetic blocks matched with the first magnetic blocks, the first magnetic blocks and the second magnetic blocks are adsorbed, and the case cover is located between the limiting plates and the main control board.

Through above-mentioned technical scheme, the limiting plate blocks on the terminal surface of main control board is kept away from to the case lid through the absorption between first magnetic path and the second magnetic path, has reduced the case lid and has broken away from the possibility that drops from the box, has improved the stability of being connected between case lid and the box.

In summary, the present application includes at least one of the following beneficial technical effects:

1. when the fan is started, the air flow can be accelerated to flow from the first heat dissipation hole to the second heat dissipation hole through the air penetration hole, the heat of the air penetration hole can be taken out when the air flow flows through the air penetration hole, and the heat dissipation of the supporting plate can be accelerated through the air penetration hole, so that the heat dissipation effect of the case is improved;

2. the dust screen can filter the air current that flows in from first louvre, has reduced the gas pocket and has blockked up the possibility that influences quick-witted case radiating effect by the dust, has further improved the radiating effect of quick-witted case.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a schematic cross-sectional structure diagram for embodying the air penetration holes in the embodiment of the present application.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Fig. 4 is a schematic cross-sectional view of a fixing spring according to an embodiment of the present application.

Fig. 5 is an enlarged schematic view at B in fig. 4.

Fig. 6 is a schematic cross-sectional structure diagram for embodying a connecting rod in an embodiment of the present application.

Fig. 7 is an enlarged schematic view at C in fig. 6.

Reference numerals: 1. a chassis; 2. a box body; 3. a box cover; 4. a main control board; 5. a support bar; 6. a support plate; 7. perforating air holes; 8. a first heat dissipation hole; 9. a second heat dissipation hole; 10. a fan; 11. a support pillar; 12. air holes are formed; 13. a dust screen; 14. connecting blocks; 15. a connecting bolt; 16. a card slot; 17. connecting grooves; 18. a connecting rod; 19. a rubber sleeve; 20. a fixed block; 21. a thread groove; 22. fixing grooves; 23. fixing the spring; 24. a limiting ball; 25. a limiting groove; 26. a limiting plate; 27. a first magnetic block; 28. a second magnetic block.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses a case for a programmable radio frequency switch matrix system.

As shown in fig. 1 and 2, the case for the programmable radio frequency switch matrix system comprises a case 1 and a main control board 4, the case 1 comprises a case body 2 and a case cover 3, four support rods 5 are arranged in the case body 2, support plates 6 are arranged on the four support rods 5, the main control board 4 is arranged on the support plates 6, a plurality of first heat dissipation holes 8 are arranged on one side wall of the case body 2, a plurality of second heat dissipation holes 9 are arranged on the side wall opposite to the first heat dissipation holes 8 on the case body 2, a plurality of air penetration holes 7 arranged along the horizontal direction are arranged on the support plates 6, the orientation of the air penetration holes 7 is the same as that of the first heat dissipation holes 8, and a fan 10 with an air outlet facing to the direction of the air penetration holes 7 is arranged between the air penetration holes 7 and the first heat dissipation holes 8. Consequently, after starting fan 10, fan 10 can drive the air current and flow in from first louvre 8, then flow through air passing hole 7 and flow out from second louvre 9, the heat transfer that main control board 4 gived off is to backup pad 6, the heat that the air current flows through when air passing hole 7 and looses from backup pad 6 can be followed the air current and dispeled fast, later along with the air current from second louvre 9 box 2 that looses, the heat that main control board 4 produced can be through the quick box 2 that gives off of air passing hole 7, the radiating effect of quick-witted case 1 has been improved.

As shown in fig. 2 and 3, five support columns 11 are arranged in each air penetration hole 7, and air holes 12 having the same orientation as the air penetration holes 7 are formed in the outer edges of the support columns 11. Therefore, the support columns 11 can support the air through holes 7, so that the possibility that the air through holes 7 are blocked due to extrusion deformation of external force is reduced, and the air through holes 7 can continuously and stably dissipate heat; the air flow can pass through the supporting columns 11 along the air holes 12, so that the air flow can rapidly pass through the air holes 7 and take away heat in the air holes 7, the possibility that the flow velocity of the air flow is blocked by the supporting columns 11 to be reduced when the air flow passes through the air holes 7 is reduced, and the heat dissipation effect of the supporting plate 6 is improved.

As shown in fig. 2 and 3, a dust screen 13 is arranged between the fan 10 and the first heat dissipation hole 8, two ends of the side wall where the first heat dissipation hole 8 is located are respectively provided with a connecting block 14, a square clamping groove 16 is oppositely formed in the connecting block 14 along the vertical direction, the clamping groove 16 is matched with the dust screen 13, one end of the clamping groove 16, which is far away from the bottom of the box body 2, extends out of the connecting block 14, and the dust screen 13 is clamped in the two clamping grooves 16. Therefore, the dust screen 13 can filter the airflow flowing into the box 2 from the first heat dissipation hole 8, and the possibility of dust entering the through hole 7 is reduced, so that the through hole 7 can dissipate heat more stably.

As shown in fig. 4 and 5, a fixing groove 22 is formed in a groove wall of the clamping groove 16, a fixing spring 23 is arranged in the fixing groove 22, a limiting ball 24 is arranged on the fixing spring 23, an arc-shaped limiting groove 25 matched with the limiting ball 24 is arranged on the dust screen 13, and the limiting ball 24 partially extends out of the fixing groove 22 and abuts against the groove wall of the limiting groove 25. Therefore, the limiting ball 24 increases the friction force between the dust screen 13 and the clamping groove 16, reduces the possibility that the dust screen 13 slides out of the clamping groove 16, and enhances the connection firmness of the dust screen 13 and the clamping groove 16.

As shown in fig. 6 and 7, two cylindrical connecting grooves 17 are respectively formed in the two connecting blocks 14, 4 connecting rods 18 matched with the connecting grooves 17 are respectively arranged on the case cover 3, the four connecting rods 18 are correspondingly inserted into the four connecting grooves 17, a rubber sleeve 19 is arranged at one end of each connecting rod 18 far away from the case cover 3, and the rubber sleeve 19 abuts against the wall of each connecting groove 17.

As shown in fig. 1, two limiting plates 26 are hinged to the case 2, first magnetic blocks 27 are respectively embedded in the two limiting plates 26, second magnetic blocks 28 matched with the first magnetic blocks 27 are embedded in the case cover 3, and the first magnetic blocks 27 and the second magnetic blocks 28 are mutually attracted. Therefore, a user firstly opens the limiting plate 26 to separate the first magnetic block 27 from the second magnetic block 28, and then detaches the case cover 3 by pulling the connecting rod 18 out of the connecting groove 17, so that the user can overhaul the main control board 4 regularly; the adsorption force between the first magnetic block 27 and the second magnetic block 28 enables the limiting plate 26 to block the box cover 3, the possibility that the box cover 3 is separated from the box body 2 and drops is reduced, and the connection stability of the box cover 3 and the box body 2 is enhanced.

As shown in fig. 2, three fixing blocks 20 are arranged on the dust screen 13, threaded grooves 21 are respectively formed in the three fixing blocks 20, three connecting bolts 15 matched with the threaded grooves 21 penetrate through the case cover 3 and are connected with the case cover through bolts, and the three connecting bolts 15 are respectively in threaded connection with the three threaded grooves 21. Therefore, when the user pulls out the box cover 3, the connecting bolt 15 and the fixing block 20 will drive the dust screen 13 to move, so that the user can pull out the box cover 3 and the dust screen 13 together, and the user can detach the dust screen 13 more quickly.

The implementation principle of the embodiment of the application is as follows: after the fan 10 starts, the fan 10 drives the air current to flow in from first louvre 8, and the gas passing hole 7 flows through, flows out from second louvre 9, and the heat transfer on the main control board 4 is for backup pad 6, and when the air current flows through gas passing hole 7, takes the heat out from gas passing hole 7, and the setting of gas passing hole 7 has accelerated the heat dissipation of backup pad 6, has improved quick-witted case 1's radiating effect.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A chassis for a programmable radio frequency switch matrix system, characterized in that: comprises a case (1), the case (1) comprises a case body (2) and a case cover (3), a main control board (4) is arranged in the box body (2), a plurality of support rods (5) are arranged in the box body (2), a support plate (6) is arranged on the plurality of support rods (5), the supporting plate (6) is positioned between the supporting rod (5) and the box cover (3), the main control board (4) is arranged on the supporting board (6), the supporting board (6) is provided with a plurality of air through holes (7), two opposite side walls of the case (1) are respectively provided with a plurality of first radiating holes (8) and second radiating holes (9), the fan (10) is arranged in the case (1), the fan (10) is located between the first heat dissipation holes (8) and the supporting plate (6), and an air outlet of the fan (10) faces the air through holes (7).

2. The chassis for a programmable rf switch matrix system of claim 1, wherein: a plurality of supporting columns (11) are arranged in the air through holes (7), and air holes (12) with the same direction as the air through holes (7) are formed in the outer edges of the supporting columns (11).

3. The chassis for a programmable rf switch matrix system of claim 1, wherein: a dustproof net (13) used for sealing the first heat dissipation holes (8) is arranged in the case (1), and the dustproof net (13) is located between the supporting plate (6) and the first heat dissipation holes (8).

4. A chassis for a programmable rf switch matrix system according to claim 3, wherein: the dustproof case is characterized in that two connecting blocks (14) are respectively and relatively arranged in the case (1), clamping grooves (16) matched with the dustproof net (13) are formed in the connecting blocks (14), and the dustproof net (13) is correspondingly clamped in the two clamping grooves (16).

5. The chassis for a programmable radio frequency switch matrix system of claim 4, wherein: the dustproof net is characterized in that a fixing groove (22) is formed in the groove wall of the clamping groove (16), a fixing spring (23) is arranged in the fixing groove (22), a limiting ball (24) is arranged on the fixing spring (23), the limiting ball (24) partially extends out of the fixing groove (22), a limiting groove (25) matched with the limiting ball (24) is formed in the dustproof net (13), and the limiting ball (24) is tightly abutted to the limiting groove (25).

6. The chassis for a programmable radio frequency switch matrix system of claim 4, wherein: the connecting box is characterized in that a plurality of connecting grooves (17) are formed in the connecting block (14), a plurality of connecting rods (18) matched with the connecting grooves (17) are arranged on the box cover (3), the connecting rods (18) are correspondingly inserted in the connecting grooves (17), a plurality of rubber sleeves (19) are sleeved at one ends, far away from the box cover (3), of the connecting rods (18), and the rubber sleeves (19) are abutted to the groove walls of the connecting grooves (17).

7. The chassis for a programmable rf switch matrix system of claim 6, wherein: be equipped with a plurality of fixed blocks (20) on dust screen (13), thread groove (21) have been seted up on fixed block (20), wear to establish and bolted connection has a plurality of connecting bolt (15) on case lid (3), and is a plurality of connecting bolt (15) correspond bolted connection respectively in a plurality of thread groove (21).

8. The chassis for a programmable rf switch matrix system of claim 1, wherein: two limiting plates (26) are hinged to the case (1) respectively, first magnetic blocks (27) are arranged on the limiting plates (26), two second magnetic blocks (28) matched with the first magnetic blocks (27) are arranged on the case cover (3), and the first magnetic blocks (27) are adsorbed to the second magnetic blocks (28).