Functional circuit board based on FPGA control

Abstract

The utility model discloses a functional circuit board based on FPGA control, which comprises a circuit board body, an FPGA chip, a bolt, a fixing block and a limiting assembly, the FPGA chip is arranged at the top of the circuit board body, the bolt is arranged at the top of the circuit board body, the bolt is used for fixing the position of the circuit board body, the fixing block is arranged at the top of the circuit board body, and the limiting assembly is used for limiting the position of the circuit board body. A limiting groove is formed in the bottom end of the fixing block, the bolt is inserted and connected into the limiting groove, and the limiting groove is used for limiting the moving distance of the bolt. Through the design of the fixing block, the limiting groove and the limiting assembly, the arranged fixing block is fixedly connected to the top of the circuit board body, the bolt is connected in the limiting groove formed in the fixing block in a penetrating mode, the moving distance of the bolt is limited through the limiting groove in the using process, and it is avoided that when the circuit board body needs to be disassembled, the bolt is damaged. And the bolt is completely unbound after being disassembled from the fixed position, so that the screw is prevented from falling off and being lost.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of circuit board, especially a functional circuit board based on FPGA control. BACKGROUND

[0002] FPGA is a kind of integrated circuit chip that can realize specific logic function by programming, and the functional circuit board based on FPGA control is the printed circuit board with FPGA chip as core, matched with other peripheral circuit elements, to realize various specific functions.

[0003] When installing this kind of circuit board, the traditional installation mode is to fix the circuit board at the required installation position by bolt, and when the circuit board needs to be disassembled and overhauled, the bolt needs to be first disassembled, and then the circuit board is taken off from the installation position, and when the screw is disassembled, the screw will lose the restraint and be in the control state after the connection with the installation position is disconnected, so that the screw will fall off and be lost, which will affect the installation of the circuit board after overhaul, therefore, the present scheme provides a functional circuit board based on FPGA control to solve the above problems. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a functional circuit board based on FPGA control to solve the problems proposed in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a functional circuit board based on FPGA control, comprising:

[0006] A circuit board body;

[0007] An FPGA chip is arranged on the top of the circuit board body;

[0008] A bolt is arranged on the top of the circuit board body, and the bolt is used to fix the position of the circuit board body;

[0009] A fixing block is arranged on the top of the circuit board body, the bottom end of the fixing block is provided with a limiting slot, the bolt is connected in the limiting slot, and the limiting slot is used to limit the moving distance of the bolt;

[0010] A limiting assembly is arranged on the top of the circuit board body, and the limiting assembly is used to limit the moving direction of the bolt.

[0011] Preferably, the inner wall of the top end of the limiting slot is provided with a penetrating hole, and the penetrating hole is arranged on the top of the bolt.

[0012] Preferably, mounting holes are arranged at the four corners of the circuit board body, and the mounting holes are used for the bolt to pass through the circuit board body.

[0013] Preferably, the bottom of the fixing block is provided with adhesive, which is arranged on the top of the circuit board body, and the adhesive is used to fix the position of the fixing block.

[0014] Preferably, the bottom of the bolt is provided with a sealing gasket, which is fixedly connected to the top end of the circuit board body.

[0015] Preferably, the limiting assembly comprises:

[0016] a rotating column, which is arranged on the top of the circuit board body and is connected to the limiting

[0017] the inside of the limiting slot.

[0018] a through hole, which is arranged in the middle of the rotating column and through which the bolt is connected.

[0019] Preferably, the bolt is symmetrically provided with sliding blocks on both sides, and the inner walls of the through hole on both sides are symmetrically provided with sliding grooves, and the sliding blocks are connected to the inside of the sliding grooves.

[0020] The technical effects and advantages of the present application are as follows:

[0021] The fixing block is fixedly connected to the top of the circuit board body, and the bolt is connected to the limiting slot arranged in the fixing block, so that the movement distance of the bolt is limited by the limiting slot during use, and the bolt is completely lost after being disassembled from the fixed position, thereby avoiding the loss of the screw. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present application.

[0023] Figure 2 It is a schematic diagram of the top view structure of the present application.

[0024] Figure 3 It is a schematic diagram of the front cross-sectional structure of the present application.

[0025] Figure 4 It is a schematic diagram of the rotating column three-dimensional structure of the present application.

[0026] In the figure: 1, circuit board body; 101, mounting hole; 2, FPGA chip; 3, bolt; 4, fixing block; 401, limiting slot; 402, through hole; 5, limiting assembly; 501, rotating column; 502, sliding block; 503, sliding groove; 504, through hole; 6, sealing gasket; 7, adhesive. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0028] The utility model provides a kind of functional circuit board based on FPGA control as shown in Figures 1-4 As shown in the functional circuit board based on FPGA control, comprising:

[0029] Circuit board body 1;

[0030] FPGA chip 2, FPGA chip 2 is arranged at the top of circuit board body 1;

[0031] Bolt 3, bolt 3 is arranged at the top of circuit board body 1, and bolt 3 is used to fix the position of circuit board body 1;

[0032] Fixed block 4, fixed block 4 is arranged at the top of circuit board body 1, and the bottom end of fixed block 4 is provided with limiting groove 401, and bolt 3 is connected in the inside of limiting groove 401, and limiting groove 401 is used to limit the moving distance of bolt 3;

[0033] Limiting assembly 5, limiting assembly 5 is arranged at the top of circuit board body 1, and limiting assembly 5 is used to limit the moving direction of bolt 3.

[0034] It should be noted that the FPGA chip 2 is a field programmable gate array chip, and the FPGA chip 2 is composed of a large number of configurable logic blocks, programmable input / output blocks and programmable interconnection resources inside. The user writes logic code through hardware description language, and generates configuration file through synthesis, layout and wiring steps, downloads the configuration file into the FPGA chip 2, so as to change the connection mode of the internal logic block and the interconnection resource of the chip, so as to realize the specific logic function;Bolt 3 is connected in the limiting groove 401 provided on fixed block 4, and the moving distance of bolt 3 is limited by limiting groove 401 during use, so as to avoid the situation that the circuit board body 1 cannot be reinstalled due to the loss of bolt 3 when the circuit board body 1 needs to be disassembled.

[0035] Specifically, the inner wall of the top end of limiting groove 401 is provided with penetrating hole 402, and the penetrating hole 402 is provided at the top of bolt 3.

[0036] Specifically, mounting holes 101 are provided at the four corners of circuit board body 1, and the mounting holes 101 are used for bolt 3 to pass through circuit board body 1.

[0037] It should be noted that the installation hole 101 is matched with the screw rod part of the bolt 3, so that the threaded part of the bolt 3 can pass through the installation hole 101 to pass through the circuit board body 1, and when the position of the circuit board body 1 needs to be fixed, the screw rod part of the bolt 3 passes through the circuit board body 1, and the screw rod part of the bolt 3 passes through the position to be installed, and the position of the circuit board body 1 is fixed by the extrusion of the screw head of the bolt 3.

[0038] Specifically, the bottom of the fixing block 4 is provided with an adhesive 7, which is arranged on the top of the circuit board body 1, and the adhesive 7 is used to fix the position of the fixing block 4.

[0039] It should be noted that the adhesive 7 is epoxy resin glue, which has excellent adhesive strength, chemical corrosion resistance, insulation and temperature resistance, and is used to fix the fixing block 4 on the top of the circuit board body 1 in use.

[0040] Specifically, the bottom of the bolt 3 is provided with a sealing gasket 6, which is fixedly connected to the top end of the circuit board body 1.

[0041] It should be noted that the sealing gasket 6 is made of rubber, and when the position of the circuit board body 1 is fixed by the bolt 3, the screw head of the bolt 3 extrudes the sealing gasket 6, the sealing gasket 6 pushes the bolt 3, increases the friction between the threaded part of the bolt 3 and the position to be fixed, and strengthens the connection between the circuit board body 1 and the position to be installed.

[0042] Specifically, the limiting assembly 5 comprises:

[0043] The rotating column 501 is arranged on the top of the circuit board body 1, and the rotating column 501 is connected to the inside of the limiting groove 401;

[0044] The through hole 504 is arranged in the middle of the rotating column 501, and the bolt 3 is connected to the inside of the through hole 504.

[0045] Specifically, the bolt 3 is fixedly connected with a sliding block 502 on both sides, and the inner wall of the through hole 504 is symmetrically provided with a sliding groove 503, and the sliding block 502 is connected to the inside of the sliding groove 503.

[0046] It should be noted that the limiting groove 401 is matched with the rotating column 501, and the rotating column 501 and the limiting groove 401 are both in a cylindrical shape, so that the rotating column 501 can rotate inside the limiting groove 401, the sliding block 502 is matched with the sliding groove 503, so that the sliding block 502 can slide inside the sliding groove 503, and the multiple sliding blocks 502 can avoid the bolt 3 from shaking inside the through hole 504; when it is needed to fix the position of the circuit board body 1, the screwdriver is inserted into the limiting groove 401 through the penetrating hole 402, the screwdriver is connected with the bolt 3, the bolt 3 is rotated by the screwdriver, and the bolt 3 drives the rotating column 501 to rotate by the sliding block 502, and the sliding block 502 moves inside the sliding groove 503.

[0047] Finally, it should be noted that the above only describes preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or equivalently replace some technical features, and any modification, equivalent replacement or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A functional circuit board based on FPGA control, characterized by, Include: Circuit board body (1); FPGA chip (2), the FPGA chip (2) is arranged at the top of circuit board body (1); Bolt (3), the bolt (3) is arranged at the top of circuit board body (1), the bolt (3) is used for fixing the position of circuit board body (1); Fixed block (4), the fixed block (4) is arranged at the top of circuit board body (1), the bottom end of the fixed block (4) is provided with a limiting groove (401), the bolt (3) is connected in the inside of limiting groove (401), the limiting groove (401) is used for limiting the moving distance of bolt (3); Limiting assembly (5), the limiting assembly (5) is arranged at the top of circuit board body (1), the limiting assembly (5) is used for limiting the moving direction of bolt (3).

2. The functional circuit board based on FPGA control according to claim 1, wherein, The inner wall of the top end of the limiting groove (401) is provided with a penetrating hole (402), and the penetrating hole (402) is arranged at the top of the bolt (3).

3. The functional circuit board based on FPGA control according to claim 1, wherein, The four corners of the circuit board body (1) are provided with mounting holes (101), and the mounting holes (101) are used for the bolt (3) to pass through the circuit board body (1).

4. The functional circuit board based on FPGA control according to claim 1, wherein, The bottom of the fixed block (4) is provided with adhesive (7), the adhesive (7) is arranged at the top of the circuit board body (1), and the adhesive (7) is used for fixing the position of the fixed block (4).

5. The functional circuit board based on FPGA control according to claim 1, wherein, The bottom of the bolt (3) is provided with a sealing gasket (6), and the sealing gasket (6) is fixedly connected to the top end of the circuit board body (1).

6. The functional circuit board based on FPGA control according to claim 1, wherein, The limiting assembly (5) comprises: Rotary column (501), the rotary column (501) is arranged at the top of circuit board body (1), and the rotary column (501) is connected in the inside of limiting groove (401); Through hole (504), the through hole (504) is arranged in the middle of rotary column (501), and the bolt (3) is connected in the inside of through hole (504).

7. The functional circuit board based on FPGA control according to claim 6, characterized in that, The two sides of the bolt (3) are fixedly connected with sliding blocks (502), and the inner walls on both sides of the through hole (504) are symmetrically provided with sliding grooves (503), and the sliding blocks (502) are connected in the inside of the sliding grooves (503).

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