TWM581343U - Light emitting device for power supply - Google Patents

Abstract

The invention provides a lighting device for a power supply, comprising: a three-color LED module, an internal control signal generating unit mounted on the power supply for generating an internal control signal, and an automatic signal selection unit; wherein The signal selection unit may select one of the internal control signal and an external control signal as the main control signal, and preferentially select the external control signal as the main control signal when receiving the internal control signal and the external control signal, and vice versa only When the internal control signal is selected, the internal control signal is selected as the main control signal, and then the main control signal is amplified and outputted as a driving signal by the driving signal generating unit, and the three-color LED module drives the three-color LED in accordance with the driving signal. Body illumination; the illumination device of the power supply can automatically select the control signal without manual switching by the user.

Description

Light supply device for power supply

The invention relates to a lighting device for a power supply, in particular to a lighting device which can automatically select a control signal without manual switching by a user.

It is known that many power supplies installed in a personal computer host are equipped with light-emitting devices, and most of the light-emitting devices use light-emitting diodes (LEDs) as light-emitting elements, in order to generate colorful light, Three-color light-emitting diodes (RGB LEDs) or LED light-emitting strips that produce a variety of different light-emitting colors are also applied to light-emitting devices of power supplies; in addition, in order to produce better light and shadow effects, many light-emitting devices are directly The illuminating element is mounted on the fan, and the rotating fan blade is used to generate a dynamic light and shadow effect. For example, the disclosed "New illuminating fan device assembly structure" of the Taiwanese Patent No. M526606.

The three-color LED or LED illuminator installed in the power supply is driven by a controller installed in the power supply. However, some motherboards of the computer have been built in. A illuminating controller that drives an RGB LED or an LED illuminating strip. For a computer player, if a power supply with a illuminating device and a computer motherboard with the built-in lighting controller are used at the same time, a selection switch is usually required and used. By manually switching, the source of the signal used to drive the RGB LED or the LED strip is selected.

Class with this technology that can select the source of the signal, such as approved Taiwan The "Control Signal Selection System" of the new patent certificate number TW M568015U, which proposes a control signal selection system for the illumination module, which can select or select between multiple control signals of different signal sources according to the conditions, according to the corresponding The control signal controls the lighting module. The user can customize the control signal so that the illumination module can emit light according to the control signal.

The technical problem to be solved by the present invention is to provide a light-emitting device for a power supply.

An embodiment of the light-emitting device of the power supply device of the present invention comprises: a three-color LED module comprising: at least one tri-color LED and a driver, and three-color LEDs. The polar body is electrically connected to the driver, and the driver drives the three-color LED to emit light according to the driving mode of the driving signal; an internal control signal generating unit is mounted on the power supply for generating an internal control signal; and an automatic signal selecting unit The method includes: a selection circuit unit and a driving signal generating unit; wherein the selecting circuit unit is electrically connected to the internal control signal generating unit for receiving the internal control signal, and the selecting circuit unit comprises a first port for receiving an external a control signal, the selection circuit unit is configured to select one of the internal control signal and the external control signal as the main control signal, and preferentially select the external control signal as the main control signal when receiving the internal control signal and the external control signal simultaneously On the contrary, select internal only when receiving internal control signals A main system signal as said control signal; driving signal generating unit electrically connected to the selection means and a driver circuit for amplifying the output of the primary control signal as the drive signal.

The internal control signal includes at least a first illumination mode data for controlling the illumination color, brightness, and illumination mode of the three-color LED; the external control signal includes at least the illumination for controlling the tri-color LED. A second illumination mode data of color, brightness, and illumination mode.

The illumination mode includes: any of constant brightness, blinking, and sequential illumination.

The external control signal is a control signal generated by the motherboard of the computer host for controlling the illumination of the three-color LED, and the selection circuit unit is electrically connected to the motherboard through the first connection to receive the external control signal.

A preferred embodiment of the automatic signal selection unit is configured to include a sampling circuit unit electrically connected to the first connection port and the selection circuit unit, and the sampling circuit unit is configured to pass the high voltage isolation sampling The control signal is converted to a high voltage isolated external control signal.

The illuminating device of the novel power supply has the beneficial effect that the illuminating device of the power supply can automatically select the control signal without manual switching by the user.

10‧‧‧Three-color LED module

11‧‧‧Three-color LED

12‧‧‧ Drive

20‧‧‧Internal control signal generation unit

30‧‧‧Automatic signal selection unit

31‧‧‧Select circuit unit

32‧‧‧Drive signal generation unit

33‧‧‧First connection埠

34‧‧‧Sampling circuit unit

Figure 1 is a functional block diagram of one embodiment of a lighting device of the novel power supply.

Fig. 2 is a circuit configuration diagram of an embodiment of a light-emitting device of the power supply of the present invention.

Fig. 3 is a flow chart showing the operation of the light-emitting device of the power supply of the present invention.

The positional relationship described in the following embodiments includes upper, lower, left and right, and unless otherwise specified, is based on the direction indicated by the components in the drawing.

First, please refer to FIG. 1 and FIG. 2, which are functional block diagrams and circuit configuration diagrams of an embodiment of a light-emitting device of the power supply of the present invention.

An embodiment of the illumination device of the novel power supply includes a three-color LED module 10, an internal control signal generating unit 20, and an automatic signal selection unit 30.

The three-color LED module 10 includes: at least one tri-color LED 11 and a driver 12 (such as a generally known RGB driver), and the tri-color LED 11 is electrically connected to the driver 12, and the driver 12 driving the three-color light-emitting diode 11 to emit light according to the light-emitting mode data of a driving signal.

The internal control signal generating unit 20 is mounted on the power supply for generating an internal control signal.

The automatic signal selecting unit 30 includes: a selecting circuit unit 31 and a driving signal generating unit 32; the selecting circuit unit 31 is electrically connected to the internal control signal generating unit 20 for receiving the internal control signal, and the selecting circuit unit 31 includes a first connection. The 埠33 is configured to receive an external control signal, and the selection circuit unit 31 is configured to select one of the internal control signal and the external control signal as the main control signal, and preferentially select the external control when receiving the internal control signal and the external control signal at the same time. The signal is used as the main control signal, and when the internal control signal is received, the internal control signal is selected as the main control signal; the driving signal generating unit 32 is electrically connected to the selection circuit unit 31 and the driver 12 for The control signal amplification output is used as the driving signal; wherein the internal control signal includes at least a first illumination mode data for controlling the color, brightness and illumination mode of the three-color LED 11; the external control signal is at least Including the color, brightness, and brightness of the three-color light-emitting diode 11 A second light mode Optical mode data; the illumination mode includes: any of constant brightness, blinking, and sequential illumination. Therefore, the driver 12 drives the three-color LED 11 to emit light according to the illumination mode data of the driving signal.

As a preferred embodiment of the light-emitting device of the present invention, the external control signal is a control signal generated by the motherboard of the computer main body for controlling the illumination of the three-color LED 11, and the selection circuit unit 31 passes The first port 33 is electrically connected to the motherboard to receive the external control signal.

A preferred embodiment of the automatic signal selection unit 30 is configured to include a sampling circuit unit 34 electrically connected to the first connection port 33 and the selection circuit unit 31. The sampling circuit unit 34 is sampled by high voltage isolation. The method converts the external control signal into a high voltage isolated external control signal.

As a preferred embodiment of the present invention, the external control signal source may be a motherboard of the computer host, and the external control signal is a control signal generated by the motherboard of the computer host for controlling the three-color LED.

The operation flow of the light-emitting device of the new power supply device is as shown in FIG. 3, and includes the following actions: 1. The automatic signal selection unit 30 receives an external control signal generated by the external control signal source, and an internal control signal source generates an internal Signal; 2. detect whether an external control signal is received. If yes, continue to the next action 3. If no, the received internal control signal is used as the main control signal, and then jump to action 4; The external control signal is converted into a high-voltage isolated external control signal by high-voltage isolation sampling as a main control signal; 4. Amplifying the main control signal as a driving signal; and 5. driving the three-color LED 11 to emit light according to the lighting mode data of the driving signal.

Although the present invention has been disclosed above by the above embodiments, it is not intended to limit the present invention, and those skilled in the art can make some modifications and retouchings without departing from the spirit and scope of the present invention. The scope of patent protection is subject to the definition of the claims of the present application.

Claims (5)

An illumination device for a power supply device includes: a three-color LED module, the tri-color LED module comprising: at least one tri-color LED and a driver, the tri-color LED Electrically connecting the driver, the driver drives the three-color LED emission according to the illumination mode data of a driving signal; an internal control signal generating unit is mounted on the power supply for generating an internal control signal; and an automatic signal The selecting unit includes: a selecting circuit unit and a driving signal generating unit; the selecting circuit unit is electrically connected to the internal control signal generating unit for receiving the internal control signal, and the selecting circuit unit comprises a first port for receiving An external control signal, the selection circuit unit is configured to select one of the internal control signal and the external control signal as a main control signal, and preferentially select the external control when receiving the internal control signal and the external control signal simultaneously The signal is used as the main control signal, and vice versa when the internal control signal is received. Examples of the main signal system control signal; the driving signal generating unit electrically connected to the selection circuit and the drive unit, the main control signal for amplifying the output as the driving signal. The illuminating device of the power supply device of claim 1, wherein the internal control signal includes at least a first illuminating mode data for controlling an illuminating color, a brightness, and an illuminating mode of the three-color illuminating diode; the external control signal At least a second illumination mode data for controlling the color, brightness, and illumination mode of the three-color LED is included. The illumination device of the power supply of claim 2, wherein the illumination mode comprises: any of constant illumination, blinking, and sequential illumination. The illuminating device of the power supply device of claim 2, wherein the external control signal is a control signal generated by a motherboard of the computer host for controlling the illuminating of the three-color illuminating diode, the selection The circuit unit is electrically connected to the motherboard through the first connection to receive the external control signal. The illuminating device of the power supply device of claim 4, wherein the automatic signal selecting unit comprises a sampling circuit unit electrically connected to the first connection port and the selection circuit unit, the sampling circuit unit is isolated by high voltage The sampling method converts the external control signal into a high voltage isolated external control signal.