Wireless device for display card backboard fan

Abstract

The utility model relates to the technical field of graphics cards, in particular to a graphics card backboard fan wireless device which comprises a frame, a heat dissipation module installed in the frame and a circuit board fixed at the bottom of the frame, and further comprises a backboard installed at the bottom of the circuit board. A spring needle is arranged on the back plate, a contact is arranged on the back plate, a mounting position is arranged on the end face of the back plate, a back plate fan is detachably connected in the mounting position, a lower conductive piece electrically connected with the back plate fan is arranged on the end face of the back plate, and an upper conductive piece opposite to the lower conductive piece is arranged at the bottom of the frame. The backboard fan is used for achieving electrical connection between the backboard fan and a circuit board, wireless disassembly and assembly of the backboard fan can be achieved when a backboard is disassembled and assembled, the problem that when a traditional fan is connected through a wire, the wire is bent and stacked between the backboard and a frame, local crowding abuts against the backboard, and installation is inconvenient is solved, the overall structural design is simple, the assembly structure is optimized, and the cost is reduced. And the assembling efficiency of the graphics card is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a display card technical field especially relates to a display card backboard fan wireless device. BACKGROUND

[0002] With the continuous improvement of computer display card performance, its heat dissipation capacity becomes an important consideration factor. In order to optimize the heat dissipation efficiency of display card, part of display card in prior art adopts the design of installing fan on display card backplate. This design aims to increase air circulation through backplate fan, thereby improving heat dissipation efficiency.

[0003] However, the existing display card backplate fan has some problems in the connection process. For example Figure 1 As shown, the connection of the backplate fan is usually realized by the connection mode of the wire, pin and needle holder. Due to the limited space inside the display card, this leads to the accumulation of the wire between the backplate and the frame during the backplate closing assembly process. This accumulation not only causes the congestion of the local space, but also may push against the backplate, causing difficulties in the installation process of the factory, greatly affecting the assembly efficiency of the display card.

[0004] Based on this, in order to further improve the connection convenience of the backplate fan, we propose a display card backplate fan wireless device. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at solving the problem that the wire is easy to accumulate between the backplate and the frame in the prior art. This accumulation not only causes the congestion of the local space, but also proposes a display card backplate fan wireless device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A display card backplate fan wireless device is designed, which comprises a frame, a heat dissipation module installed in the frame and a circuit board fixed at the bottom of the frame, and further comprises a backplate installed at the bottom of the circuit board.

[0008] The end face of the backplate has an installation position, and the backplate fan is detachably connected in the installation position. The end face of the backplate has a lower conductive part electrically connected with the backplate fan. The bottom of the frame is provided with an upper conductive part opposite to the lower conductive part. The upper conductive part is electrically connected with the circuit board and is in contact with the lower conductive part.

[0009] Further, the backplate fan comprises a fan frame.

[0010] A fan blade is rotatably connected to the inner side of the fan frame by a motor. The fan frame and the backplate are provided with positioning structures.

[0011] Further, the positioning structure comprises a plurality of ring sleeve portions formed on the outer circumferential side of the fan frame, and the end surface of the back plate is provided with a plurality of positioning columns which are inserted into the ring sleeve portions and locked by fasteners.

[0012] Further, the side edge of the fan frame is provided with a wire clamping groove, and the wire of the motor is clamped in the wire clamping groove.

[0013] Further, the lower conductive member comprises a lower PCB fixed on the back plate, and a plurality of spring needles and a fan terminal are mounted on the end surface of the lower PCB, and the wire of the back plate fan is electrically connected to the fan terminal through a socket.

[0014] Further, the upper conductive member is an upper PCB fixed on the frame, and a plurality of contacts and a connecting terminal are arranged on the upper PCB, and the connecting terminal is electrically connected to the circuit board through a wire and a socket.

[0015] The plurality of spring needles and the plurality of contacts are in one-to-one correspondence and in contact with each other.

[0016] Further, the back plate and the frame are connected by fasteners.

[0017] The graphic card back plate fan wireless device has the advantages that: in the utility model, the spring needle and the contact are in contact with each other, the electrical connection between the back plate fan and the circuit board is realized, the wireless disassembly of the back plate fan is realized when the back plate is disassembled, the problem that the wires are bent and stacked between the back plate and the frame when the traditional fan is connected by wires, the local crowded back plate is pressed to cause the inconvenience of installation is solved, the overall structure design is simple, the assembly structure is optimized, and the assembly efficiency of the graphic card is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic view of the prior art connection structure;

[0019] Figure 2 It is a schematic view of the structure of the utility model;

[0020] Figure 3 It is Figure 2 the enlarged structure schematic view of A area;

[0021] Figure 4 It is a schematic view of the upper conductive member structure of the utility model.

[0022] In the figure: 1, frame; 11, upper conducting part; 111, upper PCB; 112, contact; 113, connecting terminal; 2, heat dissipation module; 3, circuit board; 4, back plate; 41, mounting position; 42, back plate fan; 421, fan frame; 422, fan blade; 423, ring sleeve part; 424, wire clamping groove; 43, lower conducting part; 431, lower PCB; 432, spring needle; 433, fan terminal; 44, positioning column. DETAILED DESCRIPTION

[0023] 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, not all the embodiments.

[0024] Reference Figures 1-4 For an embodiment of the utility model, it discloses a kind of graphic card back plate fan wireless devices, specifically the graphic card includes frame 1, heat dissipation module 2 and circuit board 3 of fixed frame 1 bottom in the frame 1, the heat dissipation module 2 includes heat dissipation fin and fan, the connection mode of each component and principle are conventional technical means of the person skilled in the art, not much more described here, further, the utility model further includes back plate 4 of installing in the circuit board 3 bottom, the back plate 4 with the frame 1 is connected by fastener, specifically the fastener is set as bolt;

[0025] The end surface of the back plate 4 has a mounting position 41, the back plate fan 42 can be detachably connected in the mounting position 41, the back plate fan 42 is arranged on the side edge of the circuit board 3 and opposite the heat dissipation module 2, wherein the end surface of the back plate 4 has a lower conducting part 43 electrically connected with the back plate fan 42, the bottom of the frame 1 is provided with an upper conducting part 11 opposite the lower conducting part 43, the upper conducting part 11 is electrically connected with the circuit board 3 and is in contact with the lower conducting part 43.

[0026] In some embodiments, the back plate fan 42 in the utility model includes fan frame 421, the fan frame 421 in the embodiment is designed as a circular structure, of course the mounting position 41 is a hole position, and it is inserted and matched with the fan frame 421;

[0027] The fan blade 422 is rotatably connected to the inner side of the fan frame 421 by a motor, wherein the fan frame 421 and the back plate 4 are provided with a positioning structure.

[0028] On the basis of the above-mentioned embodiments, the positioning structure includes a plurality of ring sleeve parts 423 formed on the outer circumferential side of the fan frame 421, the ring sleeve part 423 has a hole position, the end surface of the back plate 4 has a plurality of positioning columns 44, the positioning column 44 is inserted into the ring sleeve part 423 and is connected and locked by a fastener.

[0029] Specifically, the positioning column 44 has a threaded hole, the fastener in the embodiment is provided as a bolt, when the ring sleeve part 423 of the fan frame 421 is inserted on the positioning column 44, the bolt is threadedly connected with the positioning column 44 and is pressed on the ring sleeve part 423, so that the fan frame 421 is fixed.

[0030] In addition, the side edge of the fan frame 421 has a wire clamping groove 424, the wire of the motor is clamped in the wire clamping groove 424, preferably, the wire clamping groove 424 in the embodiment is provided as an L-shaped groove, the wire of the motor is clamped in the L-shaped groove, so as to ensure the neatness of the wire of the back plate fan 42.

[0031] In some embodiments, the lower conductive part 43 includes a lower PCB 431 fixed on the back plate 4, a plurality of spring pins 432 and a fan terminal 433 are installed on the end surface of the lower PCB 431, the wire of the back plate fan 42 is electrically connected with the fan terminal 433 through a socket, of course, the fan terminal 433 and the socket in the embodiment can be provided as a PIN pin and a pin seat, which is a conventional means for the person skilled in the art, and will not be described here, preferably, the spring pin 432 in the embodiment is provided as four, and the number of PIN pins in the fan terminal 433 is consistent, which can be provided as 24V, 0V, GND and signal line.

[0032] In further embodiments, the upper PCB 111 of the upper conductive part 11 is fixed with the frame 1, a plurality of contacts 112 and a connection terminal 113 are provided on the upper PCB 111, of course, the contacts 112 in the embodiment are also provided as four, the connection terminal 113 is electrically connected with the circuit board 3 through a wire and a socket, and the connection terminal 113 and the circuit board 3 are electrically connected in the embodiment, so as to realize circuit communication.

[0033] The plurality of spring pins 432 and the plurality of contacts 112 are in one-to-one correspondence and in contact with each other.

[0034] In this invention, the backplate fan 42 is electrically connected to the circuit board 3 by contacting the contact point 112 with the spring pin 432. This enables wireless installation and removal of the backplate fan 42 when the backplate 4 is being installed or removed. This solves the problem that when traditional fans are connected by wires, the wires are bent and piled up between the backplate 4 and the frame 1, causing local congestion and making installation inconvenient. The overall structure is simple, the assembly structure is optimized, and the assembly efficiency of the graphics card is improved.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A wireless device for a graphics card backplate fan, comprising a frame (1), a heat dissipation module (2) installed in the frame (1), and a circuit board (3) fixed to the bottom of the frame (1), characterized in that: It also includes a backplate (4) mounted on the bottom of the circuit board (3); The back plate (4) has a mounting position (41) on its end face. A back plate fan (42) is detachably connected to the mounting position (41). The back plate (4) has a lower conductive member (43) that is electrically connected to the back plate fan (42) on its end face. An upper conductive member (11) that is opposite to the lower conductive member (43) is installed at the bottom of the frame (1). The upper conductive member (11) is electrically connected to the circuit board (3) and is in contact with the lower conductive member (43).

2. The wireless device for a graphics card backplate fan according to claim 1, characterized in that: The back panel fan (42) includes a fan frame (421); A fan blade (422) is connected to the inside of the fan frame (421) via a motor, and a positioning structure is provided between the fan frame (421) and the back plate (4).

3. The wireless device for a graphics card backplate fan according to claim 2, characterized in that: The positioning structure includes multiple ring sleeves (423) formed on the outer periphery of the fan frame (421), and multiple positioning posts (44) on the end face of the back plate (4). The positioning posts (44) are inserted into the ring sleeves (423) and locked by fasteners.

4. The wireless device for a graphics card backplate fan according to claim 2, characterized in that: The fan frame (421) has a wire slot (424) on its side, and the motor wire is snapped into the wire slot (424).

5. The wireless device for a graphics card backplate fan according to claim 1, characterized in that: The lower conductive component (43) includes a lower PCB (431) fixed on the back plate (4). Several spring pins (432) and a fan terminal (433) are installed on the end face of the lower PCB (431). The wire of the back plate fan (42) is electrically connected to the fan terminal (433) through a socket.

6. The wireless device for a graphics card backplate fan according to claim 5, characterized in that: The upper conductive component (11) is fixed to the upper PCB (111) of the frame (1). The upper PCB (111) is provided with a plurality of contacts (112) and a connection terminal (113). The connection terminal (113) is electrically connected to the circuit board (3) through wires and sockets. The plurality of spring pins (432) are in contact with the plurality of contacts (112) and conduct electricity.

7. A wireless device for a graphics card backplate fan according to any one of claims 1-6, characterized in that: The back plate (4) is connected to the frame (1) by fasteners.

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