TWI489271B - Fan status indication apparatus - Google Patents

Description

Fan status indicator

The present invention relates to a fan status indicating device, and more particularly to a fan status indicating device that can effectively indicate the operating state of the fan and reduce the production cost of the server.

In terms of the server, it is bulky and takes up space. When the enterprise uses multiple servers, the space stored in the server host is considerable, which promotes the appearance of the Rack, so that several server hosts can be placed in the cabinet at the same time and managed.

In the cabinet architecture, multiple fan controller boards (FCBs) are configured to control the operation of the corresponding fans to dissipate heat from the cabinet. Moreover, these fan control boards are, for example, connected to a Rack Management Controller (RMC). Moreover, the cabinet management controller can access the information of each fan control board for unified management. That is, the user can control the operation of the fan control panel through the cabinet management controller.

However, in the circuit design of the fan control board, the hard disk signal control device is used to generate the control signal, and the buffer circuit located in the fan control board is driven to generate the corresponding indicator number to indicate the fan. In a normal state or an abnormal state. Therefore, each fan control board requires an extra snubber circuit design.

In general, the circuit design of the fan control board used in the prior art is mostly designed with a snubber circuit so that the illuminating element generates a corresponding indicator number to indicate the working state of the fan. As a result, each fan control board requires an extra buffer circuit. The production also increases the production cost of the server.

The invention provides a fan status indicating device, which can effectively indicate the working state of the fan, so that the user can perform corresponding processing when the fan is abnormal, and the production cost of the server can also be reduced.

According to an embodiment of the invention, a fan status indicating device is adapted to be coupled to a fan to receive an operating status signal from the fan and receive an operating voltage. The fan status indicating device includes a processing unit and a display unit. The processing unit is configured to receive the working voltage and the working status signal, and generate a first control signal or a second control signal according to the working status signal. The working status signal is used to indicate that the fan is in a normal state or an abnormal state. The display unit is coupled to the processing unit for receiving the first control signal or the second control signal, and displaying a first indication signal according to the first control signal or displaying a second indication signal according to the second control signal. The display unit displays the first indication signal when the fan is in a normal state, and displays the first indication signal and the second indication signal when the fan is in an abnormal state.

The fan state indicating device of the present invention receives the working state signal transmitted by the fan by the processing unit, and generates a second control signal indicating the first control signal or the abnormal state of the fan in a normal state, and then transmits the second control signal to the display unit. The first indication signal is displayed according to the first control signal, or the second indication signal is displayed according to the second control signal to correspond to the working state of the indication fan. In this way, the working state of the fan can be effectively indicated, so that the user can perform corresponding processing when the fan is abnormal, and the production cost of the server can also be reduced.

The above description of the contents of the present invention and the following embodiments are described. The spirit and principles of the present invention are set forth and explained, and a further explanation of the scope of the patent application of the present invention is provided.

10‧‧‧Fan status indicator

100‧‧‧Processing unit

110‧‧‧ first input

120‧‧‧second input

130‧‧‧first output

140‧‧‧second output

200‧‧‧ display unit

210‧‧‧First light-emitting element

220‧‧‧Second light-emitting element

300‧‧‧Voltage generation unit

GND‧‧‧ ground terminal

R1‧‧‧first resistance

R2‧‧‧second resistance

R3‧‧‧ third resistor

R4‧‧‧fourth resistor

VCC‧‧‧ working voltage

Fig. 1 is a circuit diagram of a fan state indicating device of the present invention.

2 is a circuit diagram of a fan state indicating device according to another embodiment of the present invention.

The detailed features and advantages of the present invention are set forth in the Detailed Description of the Detailed Description of the <RTIgt; </ RTI> <RTIgt; </ RTI> </ RTI> </ RTI> <RTIgt; The objects and advantages associated with the present invention can be readily understood by those skilled in the art. The following examples are intended to describe the present invention in further detail, but are not intended to limit the scope of the invention.

Please refer to FIG. 1 , which is a circuit diagram of a fan state indicating device according to an embodiment of the present invention. The fan status indicating device 10 of the embodiment is adapted to be coupled to a fan to receive a working status signal sent by the fan, and receive an operating voltage VCC, and the fan status indicating device 10 is disposed in a server. . That is, the user can use the fan status indicating device 10 to know the working state of the fan located in the server. The fan status indicating device 10 includes a processing unit 100 and a display unit 200.

The processing unit 100 is configured to receive the working voltage VCC and the working status signal, and generate a first control signal or a second control signal according to the working status signal. In the present embodiment, the operating voltage VCC can be, for example, P3V3. The working status signal is used to indicate that the fan is in a normal state or an abnormal state. In this embodiment, the processing unit 100 can be, for example, one. Micro-Controller Unit (MCU). However, the embodiment is not limited thereto, and the processing unit 100 may also be implemented using other similar components. Further, the processing unit 100 has a first input terminal 110, a second input terminal 120, a first output terminal 130, a second output terminal 140, and a ground terminal GND. The first input terminal 110 is configured to receive the operating voltage VCC, and the second input terminal 120 is configured to receive the working state signal. The first output terminal 130 is configured to generate a first control signal, and the second output terminal 140 is configured to generate a second control signal.

The display unit 200 is coupled to the processing unit 100 for receiving the first control signal or the second control signal, and displaying a first indication signal according to the first control signal or displaying a second indication signal according to the second control signal. . Further, the display unit 200 includes a first resistor R1, a first light emitting element 210, a second resistor R2, and a second light emitting element 220.

The first resistor R1 has a first end and a second end, and the first end of the first resistor R1 receives the operating voltage VCC. The first light emitting element 210 has a first end and a second end. The first end of the first light emitting element 210 is coupled to the second end of the first resistor R1, and the second end of the first light emitting element 210 receives the first control signal. To display the first indication signal. In this embodiment, the first light emitting element 210 can be, for example, a light emitting diode. The first indication signal is, for example, a green light number. However, the embodiment is not limited thereto, and the first light-emitting element 210 may also be implemented using other elements similar to light-emitting.

The second resistor R2 has a first end and a second end, and the first end of the second resistor R2 receives the operating voltage VCC. The second light-emitting element 220 has a first end and a second end. The first end of the second light-emitting element 220 is coupled to the second end of the second resistor R2, and the second end of the second light-emitting element 220 receives the second control signal. To display the second indication signal. In this embodiment, the second light emitting element 220 can be, for example, a light emitting diode. The second indication signal is, for example, a red light. However, the embodiment is not limited thereto, and the second light-emitting element 220 may also be implemented using other elements similar to light-emitting.

For example, when the fan is in a normal state, the second input 120 of the processing unit 100 receives an operational status signal, such as a normal state. Accordingly, the first output terminal 130 of the processing unit 100 generates a first control signal, and the first control signal is transmitted to the first light emitting element 210 of the display unit 200. Then, according to the first control signal, the first illuminating component 210 correspondingly displays the first indication signal.

Further, when the fan is in an abnormal state, the second input 120 of the processing unit 100 receives an operating status signal such as an abnormal state. Accordingly, the second output 140 of the processing unit 100 generates a second control signal, and the second control signal is transmitted to the second illuminating element 220 of the display unit 200. Then, according to the second control signal, the second illuminating component 220 correspondingly displays the second indication signal. Moreover, the first output end 130 of the processing unit 100 can continuously generate the first control signal, so that the first illuminating element 210 can continuously display the first indication signal.

That is to say, when the fan is in an abnormal state, the display unit 200 can simultaneously display the first indication signal and the second indication signal. The first indication signal is, for example, a green light number, and the second indication signal is, for example, a red light number. Therefore, the display unit 200 can display, for example, the orange color of the mixed color, so that the user can perform corresponding processing when the fan is abnormal.

Please refer to FIG. 2, which is a circuit diagram of a fan state indicating device according to another embodiment of the present invention. In the present embodiment, the fan state indicating device 10 further includes a voltage dividing generating unit 300. The voltage dividing generating unit 300 is coupled between the processing unit 100 and the display unit 200 for generating a partial pressure to the display unit 200. Further, the voltage dividing generating unit 300 includes a third resistor R3 and a fourth resistor R4.

The third resistor R3 has a first end and a second end. The first end of the third resistor R3 receives the operating voltage VCC, and the second end of the third resistor R3 is coupled to the processing unit 100. The fourth resistor R4 has a first end and a second end. The first end of the fourth resistor R4 receives the operating voltage VCC, and the second end of the fourth resistor R4 is coupled to the processing unit 100.

In addition, the related components of the fan state indicating device 10 and the operational relationship thereof can be referred to the embodiments of the foregoing embodiments, and thus are not described herein again.

In summary, the fan state indicating device disclosed in the embodiment of the present invention receives the working state signal transmitted by the fan by the processing unit, and generates a first control signal or an abnormal state indicating that the fan is in a normal state. And the second control signal is displayed by the display unit according to the first control signal, or the second indication signal is displayed according to the second control signal to correspond to the working state of the indicator fan. In this way, the working state of the fan can be effectively indicated, so that the user can perform corresponding processing when the fan is abnormal, and the production cost of the server can also be reduced.

Although the present invention has been disclosed above in the foregoing embodiments, it is not intended to limit the invention. It is within the scope of the invention to be modified and modified without departing from the spirit and scope of the invention. Please refer to the attached patent application for the scope of protection defined by the present invention.

10‧‧‧Fan status indicator

100‧‧‧Processing unit

110‧‧‧ first input

120‧‧‧second input

130‧‧‧first output

140‧‧‧second output

200‧‧‧ display unit

210‧‧‧First light-emitting element

220‧‧‧Second light-emitting element

GND‧‧‧ ground terminal

R1‧‧‧first resistance

R2‧‧‧second resistance

VCC‧‧‧ working voltage

Claims (6)

A fan status indicating device is adapted to be coupled to a fan to receive a working status signal sent by the fan and receive an operating voltage, the fan status indicating device comprising: a processing unit for receiving the working voltage and The working status signal is generated according to the working status signal to generate a first control signal or a second control signal, wherein the working status signal is used to indicate that the fan is in a normal state or an abnormal state; a display unit, coupled The processing unit is configured to receive the first control signal or the second control signal, and display a first indication signal according to the first control signal, or display a second indication signal according to the second control signal And a voltage dividing generating unit coupled between the processing unit and the display unit for generating a partial pressure to the display unit, wherein the voltage dividing generating unit comprises: a third resistor having a first end And the second end, the first end of the third resistor receives the working voltage, the second end of the third resistor is coupled to the processing unit; and a fourth Having a first end and a second end, the first end of the fourth resistor receives the operating voltage, the second end of the fourth resistor is coupled to the processing unit; wherein, when the fan is in the normal state The display unit displays the first indication signal, and when the fan is in the abnormal state, the display unit displays the first indication signal and the second indication signal. The fan state indicating device of claim 1, wherein the processing unit has a first input end, a second input end, a first output end, a second output end, and a ground end, the first input end The second input end is configured to receive the working state signal, the first output end is used to generate the first control signal, and the second output end is used to generate the second control end Control signal. The fan state indicating device of claim 1, wherein the display unit comprises: a first resistor having a first end and a second end, the first end of the first resistor receiving the operating voltage; a first light emitting element having a first end and a second end, the first end of the first light emitting element being coupled to the second end of the first resistor, the second end of the first light emitting element receiving the first end a control signal for displaying the first indication signal; a second resistor having a first end and a second end, the first end of the second resistor receiving the operating voltage; and a second illuminating element having a first end and a second end, the first end of the second illuminating component is coupled to the second end of the second resistor, and the second end of the second illuminating component receives the second control signal to The second indication signal is displayed. The fan state indicating device of claim 3, wherein the first light emitting element and the second light emitting element are respectively a light emitting diode. The fan status indicating device of claim 1, wherein the fan status indicating device is disposed in a server. The fan status indication device of claim 1, wherein the processing unit is a microcontroller.