CN218866340U

CN218866340U - FPGA signal processor with high-efficient cooling function

Info

Publication number: CN218866340U
Application number: CN202223404531.6U
Authority: CN
Inventors: 赵洁
Original assignee: Nanjing Ethereal Information Technology Co ltd
Current assignee: Nanjing Ethereal Information Technology Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-04-14
Anticipated expiration: 2032-12-19

Abstract

The utility model provides a FPGA signal processor with high-efficient cooling function, this design can effectually be cooled down to FPGA signal processor inside, refrigeration and blowing, can improve the cooling effect, it is fixed and dismantles the circuit board simultaneously convenient, it includes the casing, the front of casing is provided with the interface, display screen and button, set up only the circuit board in the casing, the interface, display screen and button all with circuit board electric connection, be provided with filter circuit and resonant circuit on the circuit board, the top of casing is provided with the cap, be provided with two backup pads on the bottom inner wall of casing, the top at the backup pad is placed to the circuit board, equal slidable mounting has the guide bar in two backup pads, the outside of two guide bars all is provided with fixture, fixture is inconsistent with the circuit board that corresponds, the top of cap is provided with two triangle blocks, triangle block is inconsistent with fixture, the outside of casing is provided with cooling mechanism.

Description

FPGA signal processor with high-efficient cooling function

Technical Field

The utility model relates to a signal processor cooling technical field especially relates to a FPGA signal processor with high-efficient cooling function.

Background

A signal processor is a device that performs adjustable scaling of a signal and filtering of the signal. The processing of frequency component filtering is more convenient than that of a signal amplifier and a filter of a traditional PCB circuit in processing specific signal amplitude. The signal processor is the most indispensable instrument in the electronic industry;

publication (bulletin) No.: CN213122661U discloses a signal processor based on FPGA, which includes an emitter follower, an analog-to-digital conversion module, an FPGA and a digital-to-analog conversion module, where the analog-to-digital conversion module includes a first analog signal input end and a first digital signal output end, the digital-to-analog conversion module includes a second digital signal input end and a second analog signal output end, an output end of the emitter follower is connected with the first analog signal input end of the analog-to-digital conversion module, the first digital signal output end of the analog-to-digital conversion module is connected with the FPGA, the FPGA is connected with the second digital signal input end of the digital-to-analog conversion module, the FPGA includes a digital amplifier and a digital filter inside, identification of waveforms is realized by determining duty ratio and difference, measurement of signal frequency is realized by equal precision measurement, and full-automatic operation is possible, the digital amplifier and the digital filter are both adjustable, and maximum relative errors do not exceed 0.67% and 8.33% respectively, and rectangular waves with different duty ratios can be additionally identified.

Inside a plurality of modules of current signal processor all set up inside the casing, and the temperature that the during operation produced is higher, if can not in time cool down the heat dissipation, influences signal processor's life.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, the utility model provides a technical problem do: inside a plurality of modules of current signal processor all set up inside the casing, and the temperature that the during operation produced is higher, if the heat dissipation of can not in time cooling down, influences signal processor's life, provides an FPGA signal processor with high-efficient cooling function.

In order to achieve the above purpose, the utility model provides a:

the utility model provides a FPGA signal processor with high-efficient cooling function, which comprises a housin, the front of casing is provided with the interface, display screen and button, set up only the circuit board in the casing, be provided with the emitter follower on the circuit board, analog-to-digital conversion module, FPGA and digital-to-analog conversion module, the interface, display screen and button all with circuit board electric connection, the top of casing is provided with the cap, be provided with two backup pads on the bottom inner wall of casing, the top in the backup pad is placed to the circuit board, equal slidable mounting has the guide bar in two backup pads, the outside of two guide bars all is provided with fixture, fixture is inconsistent with the circuit board that corresponds, the top of cap is provided with two triangle blocks, triangle block is inconsistent with fixture, the outside of casing is provided with cooling mechanism.

Preferably, the top of the shell cover is movably connected with a bolt, nuts are arranged on the inner walls of the two sides of the shell, and the bolt is in threaded connection with the nuts.

Preferably, fixture includes the grip block, and the grip block is installed to the inboard of grip block, and the inboard of grip block is provided with the rubber pad, and the rubber pad is inconsistent with the circuit board, and the top fixed mounting of grip block has the arc pole, and the triangle block is inconsistent with the arc pole.

Preferably, the outside cover of guide bar is equipped with the spring, and the one end of spring links to each other with the backup pad, and the other end of spring links to each other with the inboard of grip block.

Preferably, the cooling mechanism comprises an air duct, the air duct is mounted on the inner wall of the shell, a fan is arranged in the air duct, a semiconductor refrigerator is arranged in the air duct, a protection net is arranged on the outer side of the shell, a radiating surface of the semiconductor refrigerator is located inside the protection net, and the air duct is communicated with the same air pipe at the bottom of the shell.

Preferably, a plurality of air outlet holes are formed in the left side of the shell, and the air outlet holes are obliquely formed.

Compared with the prior art, the utility model has the advantages of:

1. the semiconductor refrigerator can refrigerate the air inside the air duct, the fan is started to suck the air into the air duct through the air pipe, then the air is refrigerated, the refrigerated air is blown to the circuit board to be cooled, and the refrigeration effect of the air can be improved;

2. when the circuit board needs to be disassembled, the bolts are disassembled, the shell cover can be released from being fixed, the shell cover and the triangular blocks can be taken out, the clamping plate is far away from the circuit board through the elastic force of the springs, the circuit board can be disassembled, the circuit board is placed on the tops of the two supporting plates during installation, then the shell cover is installed on the top of the shell, the bolts are rotated to be connected with the nuts, the shell cover can be fixed, the triangular blocks extrude the arc-shaped rods to move, the arc-shaped rods drive the clamping plate to move, the clamping plate is provided with the compressing blocks and the rubber pads to move to fix the circuit board, and the circuit board is convenient to fix and disassemble;

the utility model discloses can effectually cool down to FPGA signal processor inside, refrigerate and blow, can improve the cooling effect, the convenience is fixed and is dismantled the circuit board simultaneously.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present design;

FIG. 2 is a schematic cross-sectional view of FIG. 1 of the present design;

fig. 3 is a schematic structural diagram of a portion a in fig. 2 in the present design.

In the figure: 1. a housing; 2. a circuit board; 3. a shell cover; 4. an air duct; 5. a fan; 6. a semiconductor refrigerator; 7. a protection net; 8. an air tube; 9. a support plate; 10. a guide rod; 11. a spring; 12. a clamping plate; 13. a compression block; 14. a rubber pad; 15. an arc-shaped rod; 16. a triangular block; 17. a bolt; 18. an air outlet; 19. and a nut.

Detailed Description

The embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1-3, an FPGA signal processor with high-efficient cooling function, including casing 1, the front of casing 1 is provided with the interface, display screen and button, set up only circuit board 2 in the casing 1, the interface, display screen and button all with circuit board 2 electric connection, be provided with the emitter follower on the circuit board 2, analog-to-digital conversion module, FPGA and digital-to-analog conversion module, the top of casing 1 is provided with cap 3, be provided with two backup pads 9 on the bottom inner wall of casing 1, circuit board 2 places the top at backup pad 9, equal slidable mounting has guide bar 10 on two backup pads 9, the outside of two guide bars 10 all is provided with fixture, fixture is inconsistent with corresponding circuit board 2, the top of cap 3 is provided with two triangle blocks 16, triangle block 16 is inconsistent with fixture, the outside of casing 1 is provided with cooling mechanism.

In the embodiment, the top of the shell cover 3 is movably connected with a bolt 17, the inner walls of two sides of the shell 1 are respectively provided with a nut 19, and the bolt 17 is in threaded connection with the nut 19; the cover 3 can be connected to the housing 1 by means of bolts 17 and nuts 19.

In this embodiment, the clamping mechanism includes a clamping plate 12, the clamping plate 12 is connected with the guide rod 10, a pressing block 13 is mounted on the inner side of the clamping plate 12, a rubber pad 14 is arranged on the inner side of the pressing block 13, the rubber pad 14 abuts against the circuit board 2, an arc-shaped rod 15 is fixedly mounted on the top of the clamping plate 12, and a triangular block 16 abuts against the arc-shaped rod 15; the triangular block 16 extrudes the arc-shaped rod 15 to move, the arc-shaped rod 15 drives the clamping plate 12 to move, and the clamping plate 12 drives the pressing block 13 and the rubber pad 14 to move to fix the circuit board 2.

In this embodiment, a spring 11 is sleeved outside the guide rod 10, one end of the spring 11 is connected with the support plate 9, and the other end of the spring 11 is connected with the inner side of the clamping plate 12; the spring 11 provides elasticity for the clamping plate 12, so that the clamping plate 12 leaves the circuit board 2, and the circuit board 2 can be conveniently detached.

In the embodiment, the cooling mechanism comprises an air duct 4, the air duct 4 is installed on the inner wall of the shell 1, a fan 5 is arranged in the air duct 4, a semiconductor refrigerator 6 is arranged in the air duct 4, a protection net 7 is arranged on the outer side of the shell 1, the heat dissipation surface of the semiconductor refrigerator 6 is positioned inside the protection net 7, and the air duct 4 is communicated with the bottom of the shell 1 through a same air pipe 8; semiconductor cooler 6 and fan 5 start, and semiconductor cooler 6 can be to the inside air refrigeration of dryer 4, and fan 5 starts to pass through trachea 8 can be with inside gaseous suction dryer 4, then with air refrigeration, and the air after the refrigeration blows to circuit board 2, can cool down, can improve refrigeration effect to gaseous refrigeration.

In this embodiment, the left side of the casing 1 is provided with a plurality of air outlet holes 18, and the plurality of air outlet holes 18 are all arranged obliquely.

The working principle is as follows: during the use, external power supply and controller, during the work use, circuit board 2 produces the heat, semiconductor refrigerator 6 and fan 5 start, semiconductor refrigerator 6 can be to the inside air refrigeration of dryer 4, fan 5 starts and can inhale inside dryer 4 with gas through trachea 8, then refrigerate the air, air after the refrigeration blows to circuit board 2, can cool down, can improve refrigeration effect to gas refrigeration, when needing to dismantle circuit board 2, dismantle bolt 17, can remove the fixed to cap 3, can take out cap 3 and triangle piece 16, through the spring action of spring 11, make grip block 12 keep away from circuit board 2, can dismantle circuit board 2, during the installation, place circuit board 2 at the top of two backup pads 9, then cap 3 installs the top at casing 1, rotation bolt 17 is connected with nut 19, can be fixed cap 3, triangle piece 16 extrudes arc pole 15 and removes, arc pole 15 drives grip block 12 and removes, grip block 12 drives clamping block 13 and rubber pad 14 and removes and fixes circuit board 2, the convenience is fixed and is dismantled circuit board 2.

The present invention is not limited to the above preferred embodiments, and any person can obtain other products in various forms without departing from the scope of the present invention, but any change in shape or structure is within the scope of protection.

Claims

1. The utility model provides a FPGA signal processor with high-efficient cooling function, includes casing (1), the front of casing (1) is provided with interface, display screen and button, sets up only circuit board (2) in casing (1), interface, display screen and button all with circuit board (2) electric connection, be provided with emitter follower, analog-to-digital conversion module, FPGA and digital-to-analog conversion module on circuit board (2), the top of casing (1) is provided with cap (3), its characterized in that: be provided with two backup pads (9) on the bottom inner wall of casing (1), place the top in backup pad (9) circuit board (2), equal slidable mounting has guide bar (10) on two backup pads (9), the outside of two guide bar (10) all is provided with fixture, fixture is inconsistent with circuit board (2) that correspond, the top of cap (3) is provided with two three hornblocks (16), three hornblocks (16) are inconsistent with fixture, the outside of casing (1) is provided with cooling mechanism.

2. The FPGA signal processor with the efficient cooling function as claimed in claim 1, wherein: the clamping mechanism comprises a clamping plate (12), the clamping plate (12) is connected with the guide rod (10), a pressing block (13) is installed on the inner side of the clamping plate (12), a rubber pad (14) is arranged on the inner side of the pressing block (13), and the rubber pad (14) is abutted to the circuit board (2).

3. The FPGA signal processor with the efficient cooling function as claimed in claim 2, wherein: the top of grip block (12) is fixed with arc pole (15), and triangle piece (16) are inconsistent with arc pole (15).

4. The FPGA signal processor with the efficient cooling function as claimed in claim 2, wherein: the outside cover of guide bar (10) is equipped with spring (11), and the one end of spring (11) links to each other with backup pad (9), and the other end of spring (11) links to each other with the inboard of grip block (12).

5. The FPGA signal processor with an efficient cooling function of claim 1, comprising: the cooling mechanism comprises an air duct (4), the air duct (4) is installed on the inner wall of the shell (1), a fan (5) is arranged in the air duct (4), a semiconductor refrigerator (6) is arranged in the air duct (4), a protection net (7) is arranged on the outer side of the shell (1), the heat dissipation surface of the semiconductor refrigerator (6) is located inside the protection net (7), and the air duct (4) is communicated with the bottom of the shell (1) to form a same air pipe (8).

6. The FPGA signal processor with the efficient cooling function as claimed in claim 1, wherein: a plurality of air outlet holes (18) are formed in the left side of the shell (1), and the air outlet holes (18) are all obliquely arranged.

7. The FPGA signal processor with the efficient cooling function as claimed in claim 1, wherein: the top of the shell cover (3) is movably connected with a bolt (17), nuts (19) are arranged on the inner walls of the two sides of the shell (1), and the bolt (17) is in threaded connection with the nuts (19).