CN201165989Y - Fan and board card - Google Patents

Abstract

A board card is provided with a control circuit and comprises a first substrate and a fan. The first substrate has a heat source, and the fan is disposed on the first substrate. The fan comprises a rotating shaft, a plurality of blades and a light emitting diode module. The rotating shaft is disposed on the first substrate and rotates along an axis. The blades are connected with the rotating shaft. The light emitting diode module is electrically connected with the control circuit, wherein when the rotating shaft drives the blade to rotate, the light emitting direction of the light emitting diode module is the radial direction of the rotating shaft, the utility model has the advantages of let the user be convenient for read the message that the light emitting diode of fan shows.

Description

Fan and board

technical field

The utility model relates to a board, in particular to a board and its fan for users to read information easily.

Background technique

With the development of computer technology, users have more and more requirements for the display screen of the computer when working or playing games. Based on the demand for display functions, more and more chips are configured on the display card, and the heat generated during operation also increases accordingly. Therefore, it is necessary to install a fan on the display card to assist the heat dissipation of the display card.

FIG. 1A is a schematic diagram of a known fan, and FIG. 1B is a schematic diagram of a display card with a fan mounted on a circuit board. Referring to FIG. 1A and FIG. 1B , a known fan 100 is mounted on a display card 150 , and includes a rotating shaft 110 and blades 120 connected to the rotating shaft 110 . When the fan 100 is driven, the rotating shaft 110 drives the blades 120 to rotate to remove heat from the graphics card. In addition, a Light Emitting Diode Module (Light Emitting Diode Module) 130 is also provided in the fan 100 parallel to the rotation direction of the blades 120 . The LED module 130 is used for displaying brand logos, so as to implant the image of the brand into the user's impression, or for displaying other information.

However, when the display card 150 is inserted on the circuit board 200 , since the light emitting direction of the LED module 130 of the fan 100 is parallel to the circuit board 200 , the user cannot read the information displayed on the LED module 130 .

Contents of the invention

The purpose of the utility model is to provide a fan that allows users to read messages easily.

The purpose of this utility model is to provide a board that allows users to easily read information.

The purpose of the utility model is achieved by proposing a fan which is suitable for being electrically connected to a control circuit. The fan includes a rotating shaft, multiple blades and a LED module. The axis of rotation rotates along a central axis. The blades are connected to the rotating shaft, and the LED module is electrically connected to the control circuit. When the rotating shaft drives the blades to rotate, the light emitting direction of the LED module is the radial direction of the rotating shaft.

According to a preferred embodiment of the present invention, the above LED module has a plurality of LEDs, and these LEDs are arranged on the edge of the blade.

According to a preferred embodiment of the present invention, the above LED module includes a second substrate and a plurality of LEDs. The second substrate is connected with the rotation shaft, and the light-emitting diodes are arranged on a surface of the second substrate, and the normal vector of the surface is the radial direction of the rotation shaft.

According to the preferred embodiment of the present invention, the above-mentioned micro-controller controls the light-emitting diodes to display information progressively.

According to a preferred embodiment of the present invention, the above LED module is located on the rotation path of the edge of the blade.

According to a preferred embodiment of the present invention, the LED module is located outside the rotation path of the edge of the blade.

The invention further provides a board, which has a control circuit. The board includes a first substrate and a fan. The first substrate has a heat source, and the fan is arranged on the first substrate. The fan includes a rotating shaft, a plurality of blades and a light emitting diode module. The rotating shaft is configured on the first base plate and rotates along an axis. The blades are attached to the rotating shaft. The light emitting diode module is electrically connected with the control circuit, wherein when the rotating shaft drives the blades to rotate, the light emitting direction of the light emitting diode module is the radial direction of the rotating shaft.

According to a preferred embodiment of the present invention, the above LED module has a plurality of LEDs, and these LEDs are arranged on the edge of the blade.

According to a preferred embodiment of the present utility model, the above-mentioned light-emitting diode module includes a second substrate connected to the rotation shaft and a plurality of light-emitting diodes arranged on a surface of the second substrate, and the normal vector of the surface is The radial direction of the shaft.

According to a preferred embodiment of the present invention, the above LED module is located on the rotation path of the edge of the blade.

According to a preferred embodiment of the present invention, the LED module is located outside the rotation path of the edge of the blade.

According to a preferred embodiment of the present invention, the above-mentioned LED module is located in the rotation path of the edge of the blade.

According to a preferred embodiment of the present invention, the above-mentioned control circuit includes a microcontroller.

According to the preferred embodiment of the present invention, the above-mentioned control circuit controls the light emitting diodes to display information progressively.

According to a preferred embodiment of the present invention, the above-mentioned first substrate includes a sound card or a display card.

In the fan of the present invention, the light emitting direction of the LED is parallel to the rotation axis, so when the blade rotates, the user can conveniently read the information displayed by the LED.

In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments will be described in detail below together with the accompanying drawings.

Description of drawings

FIG. 1A is a schematic diagram of a known fan.

FIG. 1B is a schematic diagram of a display card with a fan mounted on a circuit board.

FIG. 2 is a schematic diagram of the board installed on the circuit board.

FIG. 3 is a schematic diagram of the fan of FIG. 2 .

FIG. 4 is a schematic diagram of information displayed by the fan of the board.

5A and 5B are schematic diagrams of two kinds of LED modules arranged in the rotation path of the blades, respectively.

Detailed ways

FIG. 2 is a schematic diagram of the board installed on the circuit board, and FIG. 3 is a schematic diagram of the fan in FIG. 2 . Please refer to FIG. 2 and FIG. 3 at the same time. The fan 300 is disposed on a first substrate 410 to form a board 400 , wherein the board 400 has a control circuit 330 . In this embodiment, the first substrate 410 has a heat source (not shown in the figure), which may be a display card that needs to process a lot of images, a sound card that processes audio signals, or other board cards that have heat sources and need to be dissipated. The fan 300 disposed on the first substrate 410 is used to assist the heat source of the first substrate 410 to dissipate heat, so as to maintain the normal operation of the first substrate 410 .

Based on the above, the board 400 is plugged into the motherboard 500 of the computer through a slot 510 and is electrically connected to the motherboard 500 . The fan 300 includes a rotating shaft 310 , a plurality of blades 320 and a LED module 340 . The blade 320 is connected to the rotating shaft 310 , and the control circuit 330 is electrically connected to the LED module 340 . When the rotating shaft 310 drives the blade 320 to rotate, the light emitting direction of the LED module 340 is the radial direction of the rotating shaft 310 , which is convenient for the user to read the information displayed by the LED module 340 .

In one embodiment, the control circuit 330 may be a control circuit board or a microcontroller disposed on the rotating shaft 310, but those skilled in the art should know that the control circuit 330 may also be disposed on the board 400 or It can be anywhere on the main board 500 as long as the LED module 340 is driven by the control circuit 330 to emit light. In addition, the LED module 340 of this embodiment includes a second substrate 342 and a plurality of LEDs 344 . The second substrate 342 is connected to the rotating shaft 310 , and the light emitting diodes 344 are disposed on the outer surface 342 a of the second substrate 342 , and the normal vector of the surface 342 a is the radial direction of the rotating shaft 310 .

In detail, the second base plate 342 may be ㄇ-shaped, and the two ends 342b, 342c of the second base plate 342 are connected to the rotating shaft 310 . In this embodiment, the LED module 340 is located outside the rotation path of the edge of the blade 320 . In other words, the second substrate 342 straddles the outside of the blade 320 , as shown in FIG. 3 . In addition, although the second substrate 342 in this embodiment is ㄇ-shaped as an example, those skilled in the art can conceivably change the shape of the second substrate 342, such as changing the second substrate 342 to only one end connected to the rotating shaft 310, and the other end is L-shaped with a free end.

Based on the above, the control circuit 330 can be used to control all the LEDs 344 to be on or off at the same time, or to control some of the LEDs 344 to display information progressively. In addition, the control circuit 330 can also be used to control the information displayed by the LED module 340 to be known to the user. For example, the control circuit 330 can make the LED module 340 display information inside the computer, such as the temperature of the heat source of the first substrate 410 , the overclocking frequency of the computer, the operating speed of the fan, and so on. Alternatively, the information displayed by the LED module 340 can also be controlled by software to be the information received by the control circuit 330 from the outside, such as weather temperature, room temperature, ultraviolet coefficient, weather or stock market information and other information. Certainly, the LED module 340 may also display a brand logo, so as to deepen the user's impression of the brand.

FIG. 4 is a schematic diagram of information displayed by the fan of the board. Please refer to FIG. 4 , when the user is using the computer, the heat source of the first substrate 410 will generate heat, and the rotating shaft 310 of the fan 300 will start to drive the blades 320 to rotate. At this time, the LED 344 of the LED module 340 is driven by the control circuit 330 to start to emit light and display a message.

It should be noted that since the light emitting direction of the light emitting diode module 340 of this embodiment is the radial direction of the rotation axis 310, when the board 400 is inserted on the main board 500, the user can That is, the rotation direction of the blade 320 ) to read the information displayed by the LED module 340 . Compared with the known ones, the fan and the board using the fan of the present invention have the advantage of being easy for users to read information.

Although this embodiment takes the example that the LED module 340 is located outside the rotation path of the edge of the blade 320, in other embodiments, the LED 344 of the LED module 340 may also be located within the rotation path of the edge of the blade 320, Depends on the requirement, as shown in Figure 5A and 5B. However, when the LED 344 of the LED module 340 is located in the rotation path of the edge of the blade 320, the second substrate 342 is located between two adjacent blades 320 and will rotate with the blade 320. The information displayed by the LED module 340 can be read through the persistent visual impression of the brain of the patient.

Those skilled in the art may directly form the light emitting diode module 340 on the edge of the blade 320 without violating the spirit of the present invention, as long as the light emitting direction of the light emitting diode module 340 is The radial direction of the rotation shaft 310 is sufficient for the user to read the information conveniently.

To sum up, compared with the known ones, the fan of the present invention and the board using the fan have the advantage of allowing users to easily read the information displayed by the LEDs of the fan.

Although the present utility model has been disclosed as above with preferred embodiments, it is not intended to limit the present utility model. Anyone skilled in the art can make some changes and modifications without departing from the spirit and scope of the present utility model. , so the scope of protection of the present utility model should be defined by the claims.

Claims (10)

1. a fan is suitable for being electrically connected to a control circuit, it is characterized in that said fans comprises: a running shaft, rotate along a shaft axis; A plurality of blades connect above-mentioned running shaft; And a light-emitting diode (LED) module, be electrically connected on above-mentioned control circuit, wherein when above-mentioned running shaft drove above-mentioned these blade rotation, the light emission direction of above-mentioned light-emitting diode (LED) module was a radial direction of above-mentioned running shaft.

2. fan according to claim 1 is characterized in that, wherein above-mentioned light-emitting diode (LED) module has a plurality of light emitting diodes, and above-mentioned these light emitting diodes are disposed at the edge of above-mentioned these blades.

3. fan according to claim 1 is characterized in that, wherein above-mentioned light-emitting diode (LED) module comprises: one second substrate is connected with above-mentioned running shaft; And a plurality of light emitting diodes, be disposed on the surface of above-mentioned second substrate, and the normal vector on above-mentioned surface is the above-mentioned radial direction of above-mentioned running shaft.

4. fan according to claim 1 is characterized in that, the gradual show message of wherein above-mentioned control circuit above-mentioned these light emitting diodes of control.

5. fan according to claim 1 is characterized in that, wherein above-mentioned light-emitting diode (LED) module is positioned on the rotate path at edge of above-mentioned these blades.

6. fan according to claim 1 is characterized in that, wherein above-mentioned light-emitting diode (LED) module is positioned at outside the rotate path at edge of above-mentioned these blades.

7. an integrated circuit board has a control circuit, it is characterized in that, comprising: one first substrate has a thermal source; And a fan, being disposed on above-mentioned first substrate, this fan comprises: a running shaft, be disposed on above-mentioned first substrate, rotate along a shaft axis; A plurality of blades connect above-mentioned running shaft; And a light-emitting diode (LED) module, be electrically connected with above-mentioned control circuit, wherein when above-mentioned running shaft drove above-mentioned these blade rotation, the light emission direction of above-mentioned light-emitting diode (LED) module was a radial direction of above-mentioned running shaft.

8. integrated circuit board according to claim 7 is characterized in that, wherein above-mentioned light-emitting diode (LED) module comprises: one second substrate is connected with above-mentioned running shaft; And a plurality of light emitting diodes, be disposed on the surface of above-mentioned second substrate, and the normal vector on above-mentioned surface be above-mentioned running shaft radially.

9. integrated circuit board according to claim 7 is characterized in that, the gradual show message of wherein above-mentioned control circuit above-mentioned these light emitting diodes of control.

10. integrated circuit board according to claim 7 is characterized in that, wherein above-mentioned first substrate comprises sound card or display card.

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