TWI797726B - Fan structure automatically mountable on a system circuit board - Google Patents

Abstract

A fan structure automatically mountable on a system circuit board includes a fan. The fan includes a fan frame main body. A connector connection section is disposed on the fan frame main body for connecting with a fan end connector, whereby the fan end connector can be assembled with the fan frame main body. Accordingly, when the fan is mounted on the system circuit board, the fan end connector can be directly pressed down by means of an automated device to plug into the circuit board end connector. Therefore, the manufacturing process can be automated.

Description

Application and fan structure of automatic assembly of a system board

The invention relates to the fan field, in particular to a fan structure suitable for automatic assembly with a system board.

The fan is a commonly used system cooling device, which is often used in electronic equipment to provide forced cooling. The power supply and signal feedback control of the general fan need to be electrically connected to the main board of the electronic equipment to transmit signals and power. .

As shown in Figure 1, the traditional fan 30 includes a fan frame 31 and an electric lead 32 extending from the inside of the fan frame 31 to the outside of the fan frame 31. One end of the electric lead 32 is electrically connected to the circuit board in the fan frame, and the other end is A male connector 33 is connected to the outside of the fan frame 31 . Electrically connecting the male connector 33 with a female connector 411 of the motherboard 41 of the electronic device;

However, the male connector 33 of the fan 30 is away from the fan frame 31 through the electric wire 32 and hangs vertically on the end of the electric wire 32; when the fan 30 is assembled and locked on the main board 41 of the electronic device, it must Then manually plug the male connector 33 into the female connector 411 of the motherboard 41 by hand to complete the assembly, but after the two are assembled, the electric wire 32 will have redundant wire segments (that is, the electric wire 32 is too long). Between the fan 30 and the main board 41 , further down-line process is required. In addition, the redundant line segment will interfere with the airflow in the system space and easily cause dust adhesion and troubles caused by falling dust.

Therefore, how to improve the assembly and installation of the electrical connector of the conventional fan and the main board of the electronic device can only be installed manually, which consumes time and labor and causes problems such as increased manufacturing costs and uneven installation quality. It is necessary to be familiar with this technology The most important goal of people.

In order to improve the above problems, an object of the present invention is to provide a fan structure for automatic assembly with a system board.

Another object of the present invention is to provide a fan structure that does not generate redundant fan wires between the fan and the system board.

To achieve the above purpose, the present invention provides a fan structure for automatic assembly with a system board. The system board has a board end connector. The fan structure includes: a fan with a fan frame body and a wire The fan frame body has a connector joint protruding from the fan frame body, and the fan frame body contains a fan wheel and a fan circuit board, the wire group has an inner end connected to the fan circuit board, and an outer The fan end is exposed to the fan frame body and is connected with a fan end connector, and the fan end connector is combined with the connector joint part to be fixed with the fan frame body.

The above-mentioned fan frame body has an upper cover and a plate base, a side wall is located between the upper cover and the base, and the connector joint protrudes from any one of the side wall and the base or forms on the fan frame body.

The aforementioned fan end connector protrudes from a horizontal direction or a vertical direction of the side wall or protrudes from a vertical direction of the base.

The aforesaid fan end connector has a mating portion matched with the connector coupling portion.

The aforementioned connector joint part is integrally formed with the fan frame body.

One of the aforementioned fan end connector and the board end connector is a connector plug, and the other is a connector socket.

The above-mentioned connector joint part has a force-receiving surface on the top as a force-applying position to withstand an external pressure, so that the fan end connector is directly electrically connected to the board end connector downward.

The aforementioned fan frame body is provided with a wire slot to accommodate the wire group.

10: Fan quick combination structure

11: fan

111: fan frame body

1111: cover

11111: air inlet

1112: base

11121: air inlet

1113: side wall

11131: Air outlet

112: fan wheel

113: Fan circuit board

114: Connector junction

1141: upper force surface

115: wire group

1151: inner end

1152: Outer end

116: wire trough

117: rotor

118: Stator

12: Fan end connector

121: docking part

22: System board

221: board end connector

X1: vertical direction

Y1: horizontal direction

Y2: vertical direction

30: fan

31: fan frame

32: Electric wire

33:Male connector

41: Motherboard

411: female connector

Figure 1 is a schematic diagram of the prior art; Figures 2A-2C are schematic diagrams of the structure of the fan of the present invention; Figure 3 is a fan end connector of the fan of the present invention is directly electrically connected to the board end connector on the system board.

The above-mentioned purpose of the present invention and its structural and functional characteristics will be described based on the preferred embodiments of the accompanying drawings.

In the present invention, terms such as "installation", "installation", "connection", "connection" and "fixation" should be interpreted in a broad sense, for example, it may be a fixed connection or It is a detachable connection; it may be a mechanical connection; it may be a direct connection or an indirect connection through an intermediary. Those with ordinary knowledge in the technical field can understand the specific meanings of the above terms in the present invention according to specific situations.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" and "plurality" mean two or more, unless otherwise specifically defined.

Please refer to Figure 2A, which is a three-dimensional schematic view of the fan end connector of the present invention and the joint of the connector; Figure 2B, a perspective view of the joint of the fan end connector and the connector joint of the present invention; Figure 2C, the fan of the present invention Breakdown diagram. As shown in the figure, a fan quick coupling structure 10 includes a fan 11 and a fan end connector 12. The fan 11 includes a fan frame body 111 and a wire set 115. fan, but not limited thereto, it can also be an axial fan. The fan frame body 111 has an upper cover 1111 covering a base 1112 , and has a connector coupling portion 114 protruding from the outside of the fan frame body 111 . A side wall 1113 is located between the upper cover 1111 and the base 1112 at an outer edge of the fan frame body 1111 . The side wall 1113 is integrally formed on the base 1112 protruding toward the upper cover 1111 or integrally formed on the upper cover 1111 protruding toward the base 1112 . In addition, the side wall 1113 can also be a separate component combined with the upper cover 1111 and the base 1112 .

The upper cover 1111 and the base 1112 are respectively provided with an air inlet 11111 , 11121 , and the side wall 1113 is provided with an air outlet 11131 . A fan wheel 112 , a fan circuit board 113 , a rotor 117 and a stator 118 are housed in the fan frame body 111 . The fan wheel 112 corresponds to the air inlets 11111 , 11121 , and the fan circuit board 113 is below the fan wheel 112 . The rotor 117 (comprising ring magnets and iron shells) is arranged on an inner side of the fan wheel 112, and the stator 118 (comprising an insulating frame group and a silicon steel sheet group and a winding group between the insulating frame groups to wind the The silicon steel sheet group and the insulating frame group) are located above the fan circuit board 113 and at intervals corresponding to the rotor 117 . The stator 118 is electrically connected to the fan circuit board 113 . When the stator 118 is energized and excited, it generates electromagnetic induction with the rotor 117 to drive the rotor 117 to drive the fan wheel 112 to rotate.

The connector combining portion 114 protrudes from the fan frame body 111 from the side wall 1113 or the base 1112 , and is integrally formed with the fan frame body 111 . That is, the connector combining portion 114 is integrally formed on the side wall 1113 or the base 1112 . In this embodiment, the figure shows that the connector coupling part 114 is integrally formed 1113 on the side wall. The connector combining portion 114 has an upper force-bearing surface 1141 to withstand an upper external pressure. The force surface 1141 is on the same side as the upper cover 1111 or the base 1112 of the fan frame body 111. In this embodiment, the upper force surface 1141 is on the same side as the base 1112 (the upper side shown in the figure).

The wire set 115 has an inner end 1151 connected to the fan circuit board 113 inside the fan frame body 111 , and an outer end 1152 exposed to the fan frame body 111 and connected to the fan end connector 12 . The fan end connector 12 has a connecting portion 121 correspondingly combined with the connector combining portion 114 , and then combined and fixed with the fan frame body 111 to form a combined body. Although it is shown in this figure that the fan end connector 12 is combined with the connector joint part 1141 from one side of the connector joint part 114, it is not limited to this, and the fan end connector 12 is connected with the connector joint part 1141. The direction in which 1141 is disposed is, for example, a vertical direction or an oblique direction combined with the connector coupling portion 1141 .

And as the connector coupling portion 114 is selectively disposed on the side wall 1113 or the base 1112 , the fan end connector 12 is fixed on the side wall 1113 or the base 1112 . In this embodiment, it is shown that the fan end connector 12 protrudes from a horizontal direction Y1 of the side wall 1113 (that is, toward the bottom of the fan 11), but it is not limited to this, and the fan end connector 12 can also protrude from the side wall 1113. A vertical direction X1 of the wall 1113 protrudes or protrudes from a vertical direction Y2 of the base 1112 . In this way, the fan 11 can be combined with the system board 22 (as shown in FIG. 3 ) through the axial direction (vertical) or the radial direction (horizontal).

Furthermore, an outer surface of the fan frame body 111 is optionally provided with a wire receiving groove 116 for accommodating the wire group 115 . The wire group 115 can be arranged and stored in the wire slot 116 before or after the fan end connector 12 is fixed with the fan frame body 111 .

Generally speaking, the combination means between the fan 11 and the system board 22 can be achieved through the system The main board 22 is provided with a fixing seat corresponding to the fan 11 , and then the fan 11 is combined with the system main board 22 through screw locks, clamping or buckling.

Please continue to refer to Figure 3, which is a schematic diagram of the fan of the present invention placed on the system board. As shown in the figure, when the fan 11 is assembled on a system board (such as a motherboard of a computer, etc.) 22 by an automated process, the fan end connector 12 corresponds to a board end connector on the system board 22 221, the upper force-bearing surface 1141 of the connector joint portion 114 is used as a force application position to withstand an external pressure (for example, from automatic equipment such as a press-in jig, suction cup or robotic arm) to apply downward pressure, so that The fan-side connector 12 is pressed down and directly electrically connected (for example plugged or contacted) to the board-side connector 221 , thereby achieving automatic assembly of the fan 11 and the system board 22 . Furthermore, in this embodiment, the fan-side connector 12 is a connector plug, and the board-side connector 221 is a connector socket or a metal pin (PIN), etc., but not limited thereto, and vice versa.

The present invention uses the above-mentioned fan quick coupling structure 10, as the fan 11 is assembled on a system board 22, the fan end connector 12 is directly electrically connected to the board end connector 221, so it is suitable for automatic production And there will be no redundant fan wires between the fan 11 and the system board 22 .

The present invention has been described in detail above, but what is described above is only a preferred embodiment of the present invention, and should not limit the scope of the present invention. That is, all equivalent changes and modifications made according to the application scope of the present invention shall still fall within the scope of the patent of the present invention.

10: Fan quick combination structure

11: fan

111: fan frame body

1111: cover

1112: base

11121: air inlet

1113: side wall

114: Connector junction

1141: force surface

115: wire group

1152: Outer end

116: wire trough

12: Fan end connector

Claims (3)

A fan structure applied to automatic assembly of a system board, the system board has a board end connector, the fan structure includes: a fan, a fan frame body and a wire group, the fan frame body has an upper cover Covering a base, one side wall is located between the upper cover and the base, the upper cover is provided with an air inlet, the side wall is provided with an air outlet and a connector joint protruding from the fan frame body, and the fan frame body is provided with There is a fan wheel, a rotor, a stator and a fan circuit board, the rotor is arranged on an inner side of the fan wheel, the stator interval corresponds to the rotor, the circuit board is arranged on the base, and one end of the wire group is connected to The other end of the fan circuit board is exposed to the fan frame body and connected to a fan end connector, and the fan end connector has a joint portion for combining with the connector joint portion of the fan frame body on the outside of the side wall, And the connector joint part can be chute or notch or buckle or buckle or insert to combine with the butt joint part of the fan end connector, and the connector joint part has an upper force bearing surface which can be used as a The pressurized position bears an external pressure, so that the fan end connector can be directly electrically connected to the machine board end connector downward through an automatic process. According to claim 1, the application is a fan structure for automatic assembly of system boards, wherein one of the fan end connector and the board end connector is a connector plug, and the other is a connector socket. The application of claim 1 and a fan structure for automatic assembly of system boards, wherein the fan frame body is provided with a wire slot to accommodate the wire group.

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