CN220402028U - FPGA-based interface module with isolated LVDS - Google Patents

Abstract

The utility model discloses an interface module based on FPGA (field programmable gate array) with isolated LVDS (low voltage differential signaling), which comprises a protection box and a module main board arranged in the protection box, wherein the protection box is used for protecting the module main board, a heat dissipation base used for dissipating heat of the module main board is also arranged in the protection box, the heat dissipation base is fixedly connected with the inside of the protection box, and the heat dissipation base is positioned below the module main board; according to the utility model, the module main board is placed in the protection box, so that the protection box can provide a protection effect for the module main board, the heat dissipation base arranged in the protection box can accelerate the air circulation in the protection box, so that heat dissipation is provided for the module main board in operation, the module main board is prevented from being excessively high in temperature in the protection box, meanwhile, the pure water jackets are arranged on two sides in the protection box, so that the pure water jackets are broken when the module main board is in short-circuit combustion, the open fire can be extinguished through the pure water, and the pure water jackets are broken when the module main board is in normal use, so that the module main board is not damaged.

Description

FPGA-based interface module with isolated LVDS

Technical Field

The utility model relates to the technical field of LVDS interface modules, in particular to an interface module with isolated LVDS based on an FPGA.

Background

The FPGA can be configured into a specified circuit structure according to the requirements of a designer, so that clients do not need to rely on ASIC chips designed and manufactured by chip manufacturers, and the FPGA is widely applied to the fields of prototype verification, communication, automobile electronics, industrial control, aerospace, data centers and the like;

along with the rapid development of industrialization, a large number of intelligent technologies such as computers are moved into each household, and a general interface module is connected with a CPU module through a bus, so that a control system is formed, and data reading can be carried out on other objects such as an external mobile hard disk connected with the computer, and the modules are only placed in a protective shell to work when the interface module, especially the interface module with LVDS (low voltage differential signaling), is tested in the market at present, although the protective shell can be utilized to protect a module main board, and the long-time testing of the module main board generates high temperature to influence the performance of the main board.

To this end; we propose an interface module based on FPGA with isolated LVDS.

Disclosure of Invention

The utility model aims to solve the defects in the prior art and provides an interface module based on FPGA with isolated LVDS.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an interface module based on FPGA takes isolated LVDS, includes the protection box, and set up in the inside module mainboard of protection box, the protection box is used for the protection of module mainboard, the inside heat dissipation base that is used for module mainboard heat dissipation that still is provided with of protection box, the heat dissipation base with the inside fixed connection of protection box, the heat dissipation base is located the below of module mainboard.

As still further aspects of the utility model: the inside rotation of heat dissipation base is connected with radiator fan, radiator fan and external power source electric connection, the inside upper half of heat dissipation base can be dismantled and be connected with the dust screen.

As still further aspects of the utility model: the dustproof net is located above the cooling fan and used for dustproof protection of the cooling fan.

As still further aspects of the utility model: the dustproof net is characterized in that at least four telescopic grooves are formed in the dustproof net, clamping blocks are connected to the inside of the telescopic grooves in a sliding mode, the dustproof net is connected with the heat dissipation base in a clamping mode through the clamping blocks, and the clamping blocks are fixedly connected with the bottoms of the telescopic grooves through springs.

As still further aspects of the utility model: the protection box is hinged with a box cover through a rotating shaft, and the box cover is used for opening the protection box.

As still further aspects of the utility model: the protection box is characterized in that pure water jackets are fixedly arranged on two sides of the inside of the protection box, the pure water jackets are used for flame retardance and fire prevention, a plug-in port used for being plugged with an external wiring is fixedly arranged on one side of the module main board, and the plug-in port penetrates through the protection box and extends to the outside.

Compared with the prior art, the utility model provides an interface module with isolated LVDS based on FPGA, which has the following beneficial effects:

1. according to the utility model, the protection box can provide protection for the module main board by placing the module main board into the protection box, and the heat dissipation base arranged in the protection box can accelerate the air circulation in the protection box, so that heat dissipation is provided for the module main board in operation, and the module main board is prevented from being excessively high in temperature in the protection box.

2. According to the utility model, the pure water jackets are arranged on two sides of the inside of the protection box, and the pure water jackets contain pure water, so that the pure water jackets are broken when the module main board is in short-circuit combustion, open fire can be extinguished through the pure water, meanwhile, the pure water does not have conductive property, and the pure water jackets are broken when the module main board is in normal use, so that the module main board is not damaged.

The device has the advantages that the parts which are not involved in the device are the same as or can be realized by adopting the prior art, and the device has a simple structure and is convenient to operate.

Drawings

Fig. 1 is a schematic diagram of an overall three-dimensional structure of an interface module with isolated LVDS based on FPGA according to the present utility model;

fig. 2 is an enlarged schematic diagram of a structure of an a-site of an interface module with isolated LVDS based on an FPGA according to the present utility model;

fig. 3 is a schematic diagram of a cross-sectional structure of a protection box based on an interface module of FPGA with isolated LVDS according to the present utility model;

fig. 4 is a schematic diagram of a connection structure between a dustproof mesh and a heat dissipation base of an interface module with isolated LVDS based on an FPGA according to the present utility model.

In the figure: 1. a protective case; 2. a box cover; 3. a module motherboard; 4. a pure water jacket; 5. an interface; 6. a rotating shaft; 7. a heat dissipation base; 8. a heat radiation fan; 9. a dust screen; 10. a clamping block; 11. a spring; 12. a telescopic slot.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Example 1

The utility model provides an interface module based on FPGA takes isolated LVDS, in order to can provide the protection for module mainboard 3 and can not influence its heat dissipation, as shown in fig. 1-4, including protection box 1, and set up in the inside module mainboard 3 of protection box 1, protection box 1 is used for the protection of module mainboard 3, protection box 1 is inside still to be provided with the radiating base 7 that is used for module mainboard 3, the radiating base 7 is with the inside fixed connection of protection box 1, radiating base 7 is located the below of module mainboard 3, through placing module mainboard 3 into inside protection box 1, can make protection box 1 provide the guard action for module mainboard 3, can keep apart the test with single module mainboard 3 simultaneously, and can accelerate the inside air fluxion of protection box 1 at the radiating base 7 that protection box 1 set up, for the inside high temperature of module mainboard 3 at protection box 1 in the running is avoided.

In order to enable the heat dissipation base 7 to have heat dissipation performance, as shown in fig. 1-4, the heat dissipation base 7 is internally rotatably connected with a heat dissipation fan 8, the heat dissipation fan 8 is electrically connected with an external power supply, the upper half part of the inside of the heat dissipation base 7 is detachably connected with a dust screen 9, the dust screen 9 is located above the heat dissipation fan 8, the dust screen 9 is used for dust protection of the heat dissipation fan 8, the heat dissipation base 7 can be enabled to provide heat dissipation for the module mainboard 3 through the heat dissipation fan 8 by arranging the heat dissipation fan 8 in the internal rotation of the heat dissipation base 7, and meanwhile, the dust screen 9 arranged in the heat dissipation base 7 can provide a dust prevention effect for the heat dissipation fan 8, so that dust is prevented from falling into the heat dissipation effect of the heat dissipation fan 8 due to accumulation after long-time use.

In order to enable a worker to conveniently detach, replace or clean the dust screen 9, as shown in fig. 1-4, at least four telescopic slots 12 are formed in the dust screen 9, clamping blocks 10 are slidably connected in the telescopic slots 12, the dust screen 9 is clamped and connected with the heat dissipation base 7 through the clamping blocks 10, the clamping blocks 10 are fixedly connected with the bottom of the telescopic slots 12 through springs 11, the dust screen 9 is clamped and connected with the heat dissipation base 7 through the clamping blocks 10, the clamping blocks 10 are slidably connected with the telescopic slots 12 in the dust screen 9 through the springs 11, the worker applies pressure to the clamping blocks 10 to enable the springs 11 to be recycled into the telescopic slots 12, the clamping blocks 10 are separated from the heat dissipation base 7, and the worker can directly split the dust screen 9 from the heat dissipation base 7.

Example 2

An interface module based on FPGA takes isolated LVDS, in order that the staff can detect the inside module mainboard 3 of protection box 1, as shown in fig. 1-4, protection box 1 articulates through axis of rotation 6 has lid 2, and lid 2 is used for opening of protection box 1, opens lid 2 on the protection box 1 through articulated mode can make the staff directly detect and maintain the inside module mainboard 3 of protection box 1.

In order to avoid the module mainboard 3 short circuit burning to cause too big influence around, as shown in fig. 1-4, the inside both sides of protection box 1 are all fixed and are provided with pure water cover 4, pure water cover 4 is used for fire-retardant fire prevention, the fixed grafting mouth 5 that is used for pegging graft with the outside wiring that is provided with in module mainboard 3 one side, the grafting mouth 5 runs through protection box 1 and extends to the outside, through set up pure water jacket 4 in the inside both sides of protection box 1, and contain pure water in the pure water cover 4, can make module mainboard 3 break and put out the fire through pure water can put out the open fire when short circuit burning, pure water does not have conductive property simultaneously, pure water cover 4 breaks and also can not cause the damage to module mainboard 3 when normal use.

Working principle: through placing into the protection box 1 with the module mainboard 3 inside, can make the protection box 1 provide the guard action for the module mainboard 3, can keep apart the test with single module mainboard 3 simultaneously, and the inside air fluxion of protection box 1 can be accelerated to the heat dissipation base 7 that sets up in protection box 1, for the module mainboard 3 in operation provides the heat dissipation, avoid module mainboard 3 at the inside high temperature of protection box 1, simultaneously through set up pure water jacket 4 in the inside both sides of protection box 1, and contain pure water in the pure water jacket 4, can make the module mainboard 3 break and can put out the fire through pure water when short circuit burning, pure water does not have conductive property simultaneously, pure water jacket 4 breaks and also can not cause the damage to module mainboard 3 when normal use.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides an interface module based on FPGA takes isolated LVDS, includes protection box (1), and set up in protection box (1) inside module mainboard (3), a serial communication port, protection box (1) are used for the protection of module mainboard (3), protection box (1) inside still is provided with and is used for module mainboard (3) radiating heat dissipation base (7), heat dissipation base (7) with protection box (1) inside fixed connection, heat dissipation base (7) are located the below of module mainboard (3).

2. The interface module based on the FPGA with the isolated LVDS according to claim 1, wherein a cooling fan (8) is rotatably connected inside the cooling base (7), the cooling fan (8) is electrically connected with an external power supply, and a dust screen (9) is detachably connected to the upper half inside the cooling base (7).

3. The interface module based on FPGA with isolated LVDS according to claim 2, wherein the dust screen (9) is located above the cooling fan (8), and the dust screen (9) is used for dust protection of the cooling fan (8).

4. The interface module based on the FPGA with the isolation type LVDS according to claim 3, wherein at least four telescopic slots (12) are formed in the dustproof net (9), clamping blocks (10) are connected inside the telescopic slots (12) in a sliding mode, the dustproof net (9) is clamped and connected with the heat dissipation base (7) through the clamping blocks (10), and the clamping blocks (10) are fixedly connected with the bottoms of the telescopic slots (12) through springs (11).

5. The interface module based on the FPGA with the isolated LVDS according to claim 1, wherein the protection box (1) is hinged with a box cover (2) through a rotating shaft (6), and the box cover (2) is used for opening the protection box (1).

6. The interface module based on the FPGA with the isolated LVDS according to claim 1, wherein pure water jackets (4) are fixedly arranged on two sides of the inside of the protection box (1), the pure water jackets (4) are used for flame retardance and fire prevention, a plug-in port (5) used for being plugged with an external wiring is fixedly arranged on one side of the module main board (3), and the plug-in port (5) penetrates through the protection box (1) to extend to the outside.