CN217441589U

CN217441589U - Light emitting module and host device

Info

Publication number: CN217441589U
Application number: CN202221061840.5U
Authority: CN
Inventors: 马青; 杨学宗; 彭章龙
Original assignee: Hongfujin Precision Industry Wuhan Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Wuhan Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-09-16
Anticipated expiration: 2032-05-06

Abstract

The application provides a light emitting component and host computer equipment, the mainboard includes first controller, second controller and first driver, and light emitting component includes: the light emitting device comprises a first light emitter, a second light emitter and a second driver. The first controller is communicated with the second controller through the multiplexer, and the second controller sends a driving control signal corresponding to the ACPI state information to the first driver so as to drive the first light emitter to emit light at the specified dimming brightness. The second controller sends a driving control signal corresponding to the ACPI state information to the second driver so as to drive the second light emitter to emit light in the appointed light emitting mode. The host device comprises a mainboard and a light-emitting component, wherein the light-emitting component is electrically connected with the mainboard. The light emitting component and the host device can customize the case with lighting to meet the personalized requirements of users.

Description

Light emitting module and host device

Technical Field

The present application relates to the field of computer technology, and more particularly, to a light emitting module and a host device.

Background

The existing computer host generally includes a CPU, a memory, a hard disk, an optical drive, a power supply, and other input/output controllers and interfaces, etc., and a user can assemble these devices by himself, thereby obtaining a personal customized computer.

With the rise of personal customized computer players, these players have placed some customization requirements. For example, where the computer chassis cover is transparent and various devices in the computer chassis can be seen, some private players may need to customize the chassis with lighting, thereby making the various devices in the chassis colorful. How to solve the above problems needs to be considered by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the present application provides a light emitting assembly, the light emitting assembly is electrically connected to a main board, the main board includes a first controller, a second controller and a first driver, the light emitting assembly includes: the light emitting device comprises a first light emitter, a second light emitter and a second driver. The first controller communicates with the second controller through a multiplexer, the first controller is configured to send Advanced Configuration and Power management Interface (ACPI) status information of the motherboard to the second controller through the multiplexer, and the second controller sends a driving control signal corresponding to the ACPI status information to the first driver to drive the first driver to emit light with a specified dimming brightness, where the dimming brightness corresponds to the ACPI status information. The second controller sends a driving control signal corresponding to the ACPI state information to the second driver to drive the second light emitter to emit light in a specified light emitting mode, wherein the light emitting mode corresponds to the ACPI state information.

In some embodiments, the first Controller is a Platform Controller Hub (PCH) and the second Controller is a Microcontroller Unit (MCU), the PCH communicating with the multiplexer via I2C/SMBUS (System Management Bus, SMBUS) signals, the multiplexer communicating with the MCU via I2C/SMBUS signals.

In some embodiments, the second controller communicates with the first driver provided to the main board through an SPI/SMBUS signal, and the second controller communicates with the second driver through an SPI (Serial Peripheral Interface) signal.

In some embodiments, the light emitting assembly further includes a first protection circuit and a second protection circuit, the first protection circuit is electrically connected between the first driver and the first light emitter, the second protection circuit is electrically connected between the second driver and the second light emitter, the first protection circuit and the second protection circuit each include a transistor, a field effect transistor, and a resistor, the transistor is electrically connected to the field effect transistor, the field effect transistor is electrically connected to the resistor, and the first protection circuit and the second protection circuit are configured to limit currents flowing through the first driver and the second driver, respectively.

In some embodiments, the first light emitter comprises a plurality of light emitting diodes, and the first driver is a Pulse Width Modulation (PWM) controller for driving the light emitting diodes to emit light of different colors and different brightness.

In some embodiments, the second light emitter comprises a plurality of light emitting diodes, and the light emission pattern comprises at least one of a light emission frequency, a light emission color, a water light pattern, and a blinking pattern.

In some embodiments, the first controller includes a General-purpose input/output (GPIO) pin through which the first controller enables the multiplexer to communicate with the second controller.

In some embodiments, the first controller reads a memory address required for booting the motherboard, and the first controller is further configured to enable the multiplexer through the GPIO pin after the memory address is read, so that the multiplexer is switched to a channel for communicating with the second controller.

In some embodiments, the first controller is further configured to enable the second controller after the memory address is read, so as to enable the second controller to enter an operating state.

In some embodiments, the present application provides a host device, including a motherboard and the light emitting device, wherein the light emitting device is electrically connected to the motherboard.

Compared with the prior art, the light-emitting component and the host device can realize the customization of the case with lighting illumination so as to meet the individual requirements of users. The microcontroller function that uses simultaneously is abundanter, and microcontroller and platform controller communication can adapt to current mainboard, and the compatibility is strong.

Drawings

FIG. 1 is a functional block diagram of an embodiment of a host device of the present application.

Fig. 2 is a circuit diagram of an embodiment of a host device of the present application.

Fig. 3 is a circuit diagram of a first protection circuit according to the present application.

Description of the main elements

Host device 1

Main board 10

First controller 101

Second controller 102

Multiplexer 103

Memory 104

First driver 105

Light emitting assembly 20

First light emitter 201

Second light emitter 202

Second driver 203

First protection circuit 204

Second protection circuit 205

First resistor R1

Supply voltage V1

Triode D1

Field effect transistor Q1

The following detailed description will further illustrate the present application in conjunction with the above-described figures.

Detailed Description

The following description will refer to the accompanying drawings to more fully describe the present disclosure. There is shown in the drawings exemplary embodiments of the present application. This application may, however, be embodied in many different forms and should not be construed as limited to the exemplary embodiments set forth herein. These exemplary embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. Like reference numerals designate identical or similar components.

The terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. Furthermore, unless otherwise defined herein, terms such as those defined in commonly used dictionaries should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and this application and will not be interpreted in an idealized or overly formal sense.

The following description of exemplary embodiments refers to the accompanying drawings. It should be noted that the components depicted in the referenced drawings are not necessarily shown to scale; and the same or similar components will be given the same or similar reference numerals or similar terms.

Embodiments of the present application will now be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, fig. 1 is a functional block diagram of an embodiment of a host device 1 according to the present application.

The present application provides a light emitting device 20, the light emitting device 20 is electrically connected to a main board 10, and the main board 10 includes a first controller 101, a second controller 102 and a first driver 105. The light emitting assembly 20 includes: a first light emitter 201, a second light emitter 202, and a second driver 203. The first controller 101 communicates with the second controller 102 through the multiplexer 103, the first controller 101 is configured to send advanced configuration and power management interface ACPI status information of the motherboard 10 to the second controller 102 through the multiplexer 103, and the second controller 102 sends a driving control signal corresponding to the ACPI status information to the first driver 105 to drive the first light emitter 201 to emit light at a specified dimming brightness, which corresponds to the ACPI status information. The second controller 102 sends a driving control signal corresponding to the ACPI status information to the second driver 203 to drive the second light emitter 202 to emit light in a specified light emitting mode, which corresponds to the ACPI status information.

In the present embodiment, the host device 1 includes a motherboard 10 and a light emitting element 20. The light emitting assembly 20 may include a first light emitter 201. The first light emitter 201 is electrically connected to the motherboard 10, for example, the motherboard 10 is provided with a first driver 105, for example, the first driver 105 is a Pulse Width Modulation (PWM) controller, and the first light emitter 201 can be electrically connected to a pin of the PWM controller to electrically connect to the motherboard 10.

The light emitting assembly 20 may also include a second light emitter 202 and a second driver 203. The second driver 203 is electrically connected to the motherboard 10, for example, the motherboard 10 is provided with a second controller 102, for example, the second controller 102 is a Microcontroller (MCU). The second driver 203 is electrically connected to a pin of a Microcontroller Unit (MCU) to realize electrical connection with the motherboard 10.

It is to be understood that the light emitting assembly 20 may include the first light emitter 201, and may also include the second light emitter 202 and the second driver 203 integrated. The host device 1 may refer to a host of various computer devices, such as a host of a desktop computer.

The main board 10 includes a first controller 101, a second controller 102, a Multiplexer 103 (MUX), and a first driver 105. The light emitting assembly 20 may communicate with the first controller 101 through the second controller 102. The first controller 101 is configured to send ACPI status information of the motherboard 10 to the multiplexer 103, the second controller 102 communicates with the first controller 101 through the multiplexer 103, and the second controller 102 sends a driving control signal corresponding to the ACPI status information to the first driver 105 or the second driver 203. The first driver 105 drives the first light emitter 201 to emit light at a specified dimming brightness, which corresponds to the ACPI status information. The second driver 203 drives the second light emitter 202 to emit light in a specified mode, wherein the specified mode corresponds to the ACPI status information. Therefore, the working state of the host can be represented through the light information, and the individual requirements of users can be met.

Fig. 2 is a circuit diagram of an embodiment of a host device 1 according to the present application, as shown in fig. 2.

In some embodiments, first controller 101 is a PCH, second controller 102 is an MCU, memory 104 is an SPI ROM, the MCU communicates with the SPI ROM over an SPI bus, and the PCH may communicate with multiplexer 103 over an I2C/SMBUS bus. The GPIO pin of the PCH is electrically connected to multiplexer 103 to enable multiplexer 103 via the GPIO pin, and multiplexer 103 switches to the path for communication with the MCU. Multiplexer 103 communicates with the MCUs via I2C/SMBUS signals.

In some embodiments, the SLP _ # pin of the PCH is electrically connected to the second controller 102 to transmit ACPI status information to the second controller 102, so that the second controller 102 may transmit a driving control signal corresponding to the ACPI status information to the first driver 105 or the second driver 203. Second controller 102 may communicate with first driver 105 via an SMBUS/SPI signal, and second controller 102 communicates with second driver 203 via an SPI signal.

In this embodiment, the first controller 101, the second controller 102, and the multiplexer 103 may be existing chips on the motherboard 10, that is, the present solution realizes the light emitting function without additionally arranging devices on the motherboard 10, and realizes compatibility with various types of motherboards 10. The first controller 101 may be a PCH, the second controller 102 may be an MCU, and the multiplexer 103 may be a two-way multiplexer, for example, the multiplexer 103 may be a chip of type NX3L2267 GM.

In some embodiments, the first light emitter 201 may include a plurality of light emitting diodes, for example, 16 light emitting diodes, which may flash and have a plurality of colors (for example, three colors of red, green, and yellow may be displayed). The specified dimming brightness may include a light emission frequency or a light emission brightness. The first driver 105 may use a conventional PWM controller to drive the leds to emit light with different colors and different brightness, which is not limited in this application. The specified dimming brightness corresponds to ACPI status information.

In some embodiments, the second light emitter 202 may include a plurality of light emitting diodes, for example, 16 light emitting diodes, which may flash and have a plurality of colors (for example, three colors of red, green, and yellow may be displayed). The designated light emission pattern may include at least one of a light emission frequency, a light emission color, a water light pattern, and a blinking pattern. The second driver 203 may be an existing led driver, which is not limited in this application. The designated mode corresponds to ACPI status information.

In some embodiments, the first controller 101 is configured to enable the multiplexer 103 through the control pin after reading the memory address required for booting the motherboard 10, so that the multiplexer 103 switches to a communication path with the second controller 102. So that the second controller 102 sends a driving control signal to the first driver 105 or the second driver 203, the first driver 105 drives the first light emitter 201, and the second driver 203 drives the second light emitter 202.

In some embodiments, the control pin may be a GPIO pin through which the first controller 101 enables the multiplexer 103 to communicate with the second controller 102.

In some embodiments, the first controller 101 is further configured to enable the second controller 102 after reading the memory address, so that the second controller 102 enters an operating state, and the second controller 102 controls the first light emitter 201 or the second light emitter 202 to emit light after the motherboard 10 is powered on.

In this embodiment, in the initial power-on process of the motherboard 10, the first controller 101 reads a memory address required for the boot of the motherboard 10, so as to implement the boot. After the PCH acquires the memory address required for power-on startup, the PCH enables the multiplexer 103 to communicate with the second controller 102 by enabling the multiplexer 103, so as to implement function control of the second controller 102.

As shown in fig. 3, fig. 3 is a circuit diagram of the first protection circuit 204 of the present application.

In some embodiments, the light emitting device 20 further includes a first protection circuit 204 and a second protection circuit 205, the first protection circuit 204 is electrically connected between the first driver 105 and the first light emitter 201, the second protection circuit 205 is electrically connected between the second driver 203 and the second light emitter 202, the first protection circuit 204 and the second protection circuit 205 each include a transistor D1, a field effect transistor Q1, and a resistor, the transistor D1 is electrically connected to the field effect transistor Q1, the field effect transistor Q1 is electrically connected to the resistor, and the first protection circuit 204 and the second protection circuit 205 are configured to limit current flowing through the first driver 105 and the second driver 203, respectively.

In the present embodiment, the first protection circuit 204 is electrically connected between the first driver 105 and the first light emitter 201, and the second protection circuit 205 is electrically connected between the second driver 203 and the second light emitter 202. The first protection circuit 204 is a circuit for the first driver 105 to enable communication with the first light emitter 201, and the second protection circuit 205 is a circuit for the second driver 203 to enable communication with the second light emitter 202. The first protection circuit 204 and the second protection circuit 205 are also used to prevent the first driver 105 and the second driver 203 from being damaged by excessive current.

The first protection circuit 204 has the same circuit configuration as the second protection circuit 205, and the first protection circuit 204 will be described below as an example. The first protection circuit 204 includes a transistor D1 and a fet Q1, the transistor D1 may be an NPN-type transistor D1, and the fet Q1 may be an N-channel fet Q1. The NPN transistor D1 includes a base, a collector, and an emitter. The N-channel fet Q1 includes a gate, a drain, and a source. The power voltage V1 is connected to the base of the transistor D1 and the gate of the fet Q1, respectively. The main board 10 controls the power voltage V1, when the base of the transistor D1 is at a low level, the transistor D1 is not turned on, when the gate of the fet Q1 is at a high level, the fet Q1 is turned on, the first protection circuit 204 is turned on, and the first light emitter 201 is turned on. The base of transistor D1 is electrically connected to a pin of first driver 105, and the drain of fet Q1 is electrically connected to a pin of first light emitter 201, and also functions to isolate first driver 105 from first light emitter 201 to prevent excessive current in the circuit from burning first driver 105.

The first protection circuit 204 may further include a first resistor R1, one end of the first resistor R1 is electrically connected to the drain of the fet Q1, and the other end of the first resistor R1 is electrically connected to the first light emitter 201, for adjusting the current in the circuit to satisfy the operating current of the first light emitter 201.

In some embodiments, a host device 1 includes a motherboard 10 and a light emitting device 20, wherein the light emitting device 20 is electrically connected to the motherboard 10. The host device 1 is transparent, and can see the CPU, system fan, cooling block, optical drive, power supply, and other input/output controllers and interfaces, etc. in the host box, and the light emitting element 20 is disposed on these components. When the host device 1 starts the power supply, the light emitting element 20 is lit, so that the host device 1 is bright and colorful.

Above-mentioned light emitting component 20 and host computer equipment 1 can realize setting up light in the mainframe box and decorate to satisfy user's individualized demand, and the operating condition of host computer can be represented to memory light information, need not to change current mainboard 10 circuit framework, can adapt to current mainboard 10, and the compatibility is strong.

Hereinbefore, specific embodiments of the present application are described with reference to the drawings. However, those skilled in the art will appreciate that various modifications and substitutions can be made to the specific embodiments of the present application without departing from the spirit and scope of the present application. Such modifications and substitutions are intended to be within the scope of the present application.

Claims

1. A light emitting assembly, the light emitting assembly is electrically connected with a main board, the main board comprises a first controller, a second controller and a first driver, the light emitting assembly is characterized in that,

the light emitting assembly includes:

the first controller is communicated with the second controller through a multiplexer, the first controller is used for sending advanced configuration and power management interface (ACPI) state information of the mainboard to the second controller through the multiplexer, and the second controller is used for sending a driving control signal corresponding to the ACPI state information to the first driver so as to drive the first light emitter to emit light at specified dimming brightness, and the dimming brightness corresponds to the ACPI state information;

the second controller sends a driving control signal corresponding to the ACPI state information to the second driver so as to drive the second light emitter to emit light in a specified light emitting mode, and the light emitting mode corresponds to the ACPI state information.

2. The light emitting assembly of claim 1,

the first controller is a platform controller PCH, the second controller is a microcontroller MCU, the PCH is communicated with the multiplexer through an I2C/SMBUS signal, and the multiplexer is communicated with the MCU through an I2C/SMBUS signal.

3. The light emitting assembly of claim 1,

the second controller passes through SPI/SMBUS signal with locate the mainboard first driver communication, the second controller pass through the SPI signal with the second driver communication.

4. The lighting assembly of claim 1,

the LED lamp further comprises a first protection circuit and a second protection circuit, wherein the first protection circuit is electrically connected between the first driver and the first light emitter, the second protection circuit is electrically connected between the second driver and the second light emitter, the first protection circuit and the second protection circuit respectively comprise a triode, a field-effect tube and a resistor, the triode is electrically connected with the field-effect tube, the field-effect tube is electrically connected with the resistor, and the first protection circuit and the second protection circuit are used for respectively limiting the current flowing through the first driver and the second driver.

5. The light emitting assembly of claim 1,

the first light emitter comprises a plurality of light emitting diodes, and the first driver is a Pulse Width Modulation (PWM) controller and is used for driving the light emitting diodes to emit light rays with different colors and different brightness.

6. The light emitting assembly of claim 1,

the second light emitter includes a plurality of light emitting diodes, and the light emission pattern includes at least one of a light emission frequency, a light emission color, a water light pattern, and a blinking pattern.

7. The light emitting assembly of claim 1,

the first controller includes a GPIO pin through which the first controller enables the multiplexer to communicate with the second controller.

8. The lighting assembly of claim 7, wherein the first controller is configured to read a memory address required for booting the motherboard, and after the first controller reads the memory address, the first controller enables the multiplexer through the GPIO pin to switch the multiplexer to a communication path with the second controller.

9. The lighting assembly according to claim 8, wherein the first controller is further configured to enable the second controller to enter an operating state after the memory address is read.

10. A host device comprising a motherboard and the light emitting assembly of any of claims 1-9, the light emitting assembly being electrically connected to the motherboard.