TWI482017B - Apparatus for displaying hard disc state - Google Patents

Description

Hard disk status display device

A display device is particularly related to a hard disk state display device.

Generally speaking, in the application of the server or the computer system, the metropolis uses the display of the light number to display the corresponding state of the hard disk to indicate whether the hard disk is connected, working or wrong.

The current practice is to provide a Serial General Purpose Input Output (SGPIO) signal to a Micro Controller Unit (MCU) by using a memory control chip disposed on the motherboard. The controller parses out the aforementioned hard disk state, and generates corresponding control signals to different light emitting diodes (LEDs) to control the light emitting diodes to generate corresponding light sources, thereby displaying corresponding states of the hard disks. .

However, since the microcontroller uses a microcontroller to parse the serial general-purpose input and output signals, it requires an additional manpower to develop and design the firmware required for the microcontroller, and adding this microcontroller will also Causes difficulty in layout. In addition, the status light signal display of the hard disk is mostly disposed on the back panel of the server or the computer system, and the user must go to the rear of the server or the computer system to observe the corresponding light number display, which will cause the use. Inconvenience. Therefore, there is still room for improvement in the hard disk state display device.

The present disclosure provides a hard disk state display device, thereby reducing circuit design complexity and circuit use cost, and knowing the state corresponding to the hard disk by the front panel or the front panel and the back panel of the electronic device to increase the convenience of use. Sex.

A hard disk state display device according to the present disclosure includes a control unit, N first display units, a logic operation unit, and a second display unit. The control unit is configured to provide N working signals and N error signals, wherein the N working signals are respectively used to indicate the working state of the hard disk, and the N error signals are used to respectively indicate the hard disk error status, where N is a positive integer greater than 1. . The N first display units are coupled to the control unit for receiving N working signals and N connection signals respectively, and displaying N first display states according to voltage levels of the N working signals and the N connecting signals. The N connection signals are used to indicate the connection status of the hard disk and the hard disk backplane, respectively. The logic operation unit is coupled to the control unit for receiving N error signals and performing a logic operation on the N error signals to generate a logic signal. The second display unit is coupled to the logic operation unit for receiving the logic signal and displaying the second display state according to the voltage level of the logic signal.

In an embodiment, the N first display units each include a first buffer, a first resistor, a first LED, and a second resistor. The input end of the first buffer is coupled to the control unit for receiving one of the N working signals, and the output of the first buffer generates one of the buffered N working signals. The first end of the first resistor receives an operating voltage, and the second end of the first resistor receives the output of the first buffer. The anode end of the first LED is coupled to the second end of the first resistor, and the first illumination The cathode end of the diode receives one of the connection signals. The first end of the second resistor receives the operating voltage, and the second end of the second resistor is coupled to the cathode end of the first LED.

In an embodiment, the logical operation unit is a gate.

In an embodiment, the foregoing second display unit includes a second buffer, a third resistor, a fourth resistor, and a second LED. The input end of the second buffer is coupled to the logic operation unit for receiving the logic signal, and the output end of the second buffer is configured to generate the buffered logic signal. The first end of the third resistor receives the operating voltage, and the second end of the third resistor is coupled to the output of the second buffer. The first end of the fourth resistor receives the operating voltage. The anode end of the second LED is coupled to the second end of the fourth resistor, and the cathode end of the second LED is coupled to the second end of the third resistor.

In an embodiment, the N first display units and the second display unit are disposed on a front panel of an electronic device.

In an embodiment, the foregoing hard disk state display device further includes N third display units and N fourth display units. The N third display units are coupled to the control unit for receiving N working signals and N connection signals respectively, and displaying N third display states according to voltage levels of the N working signals and the N connecting signals. The N fourth display units are coupled to the control unit for receiving the error signal and displaying the N fourth display states according to the voltage level of the error signal.

In one embodiment, the N first display units and the second display unit are disposed on a front panel of an electronic device, and the N third display units and the N fourth display units are disposed on a back panel of the electronic device.

In an embodiment, the N third display units each include a third buffer, a fifth resistor, a third LED, and a sixth resistor. The input end of the third buffer is coupled to the control unit for receiving one of the N working signals, and the output of the third buffer generates one of the buffered N working signals. The first end of the fifth resistor receives an operating voltage, and the second end of the fifth resistor is coupled to the output end of the third buffer. The anode end of the third LED is coupled to the second end of the fifth resistor, and the cathode end of the third LED receives the connection signal. The first end of the sixth resistor receives the operating voltage, and the second end of the sixth resistor is coupled to the cathode end of the third LED.

In an embodiment, the N fourth display units each include a fourth buffer, a seventh resistor, an eighth resistor, and a fourth LED. The input end of the fourth buffer is coupled to the control unit for receiving one of the N error signals, and the output of the fourth buffer generates one of the buffered N error signals. The first end of the seventh resistor receives an operating voltage, and the second end of the seventh resistor receives the output of the fourth buffer. The first end of the eighth resistor receives the operating voltage. The anode end of the fourth LED is coupled to the second end of the eighth resistor, and the cathode end of the fourth LED is coupled to the second end of the seventh resistor.

In an embodiment, the processing unit further generates an identification code signal to the second display unit, and the second display unit further displays the fifth display state according to the voltage level of the identification code signal, wherein the identification code signal is used to indicate the electronic device. position.

The hard disk state display device of the present disclosure generates a corresponding working signal and an error signal by the control unit, and then uses the first display unit according to the working signal and the connection signal. Displaying a corresponding first display state, the second display unit displays a corresponding second display state according to the voltage level of the error signal, wherein the first display unit and the second display unit are disposed in front of the electronic device panel.

In addition, the third display unit and the fourth display unit may be further disposed on the back panel of the electronic device, and the third display unit displays the corresponding third display state and the fourth display unit according to the voltage level of the working signal and the connection signal. The corresponding fourth display state is displayed according to the voltage level of the error signal. In this way, the complexity of the circuit design and the use cost of the circuit can be effectively reduced, and the state corresponding to the hard disk can be known by the front panel or the state displayed by the display unit configured by the front panel and the back panel. To increase the convenience of use.

The features and implementations of the present disclosure are described in detail below with reference to the drawings.

In the various embodiments listed below, the same reference numerals will be used to refer to the same or similar elements.

Please refer to FIG. 1 , which is a schematic diagram of a hard disk state display device according to a first embodiment of the present disclosure. The hard disk state display device 100 includes a control unit 110, N first display units 120_1~120_N, a logic operation unit 130, and a second display unit 140, where N is a positive integer greater than one. The number of the first display units 110_1~110_N corresponds to the number of hard disks. That is to say, the number of hard disks is two, the number of first display units is also two; the number of hard disks is three, then The number of display units is also three; the rest is analogous.

The control unit 110 is configured to provide N working signals WS_1 WS WS_N and N error signals FS_1 FS FS_N. The working signals WS_1~WS_N are used to indicate the working status of the hard disk respectively, and the error signals FS_1~FS_N are used to respectively indicate the hard disk error status.

In this embodiment, after the hard disk is coupled to the hard disk backplane, when the hard disk starts to work, indicating that the hard disk performs data access, the control unit 110 provides the working signals WS_1~WS_N in the form of pulse waves, for example. . When the hard disk is not working, indicating that the hard disk does not perform data access, the control unit 110 may provide the working signals WS_1 WS WS_N of the high voltage level, for example.

In addition, when the hard disk does not have an error state, the control unit 110 provides error signals FS_1 FS FS_N such as high voltage levels. When an error state occurs in the hard disk, the control unit 110 provides error signals FS_1 FS FS_N such as low voltage levels.

The first display unit 120_1~120_N is coupled to the control unit 110 for receiving the working signals WS_1~WS_N and the N connection signals CS_1~CS_N respectively, and according to the voltage levels of the working signals WS_1~WS_N and the N connection signals CS_1~CS_N To display the corresponding number of N first display states. The connection signals CS_1~CS_N are used to indicate the connection status of the hard disk and the hard disk backplane, respectively.

For example, when the connection state of the hard disk and the hard disk backplane is connected, the connection signals CS_1~CS_N are, for example, low voltage levels. When the connection state of the hard disk and the hard disk backplane is not connected, the connection signals CS_1~CS_N are, for example, high voltage levels.

In addition, when the working signals WS_1~WS_N are at a high voltage level and the signal is connected When the CS_1~CS_N is at a low voltage level, the first display unit 120_1~120_N displays, for example, a first display state in a bright state, indicating that the connection state of the hard disk and the hard disk backplane is connected, and indicates that the hard disk is not working. That is, the hard disk does not perform data access.

When the connection signals CS_1~CS_N are at a high voltage level, the first display units 120_1~120_N display the first display state of the off state, for example, indicating that the connection state of the hard disk and the hard disk backplane is unconnected. When the working signals WS_1~WS_N are in the form of a pulse wave and the connection signals CS_1~CS_N are at a low voltage level, the first display unit 120_1~120_N displays, for example, a first display state of the blinking state, indicating that the hard disk starts to work, that is, the hard disk is performed. The action of data access.

The logic operation unit 130 is coupled to the control unit 110 for receiving the error signals FS_1 FS FS_N and performing logical operations on the error signals FS_1 FS FS_N to generate the logic signal LS. For example, when at least one of the error signals FS_1 FS FS_N is at a low voltage level, the logic operation unit 130 generates a logic signal LS of a low voltage level. When the error signals FS_1~FS_N are all at the high voltage level, the logic operation unit 130 generates the logic signal LS of the high voltage level.

The second display unit 140 is coupled to the logic operation unit 130 for receiving the logic signal LS and displaying the second display state according to the voltage level of the logic signal LS. For example, when the logic signal LS is at a high voltage level, the second display unit 140 displays, for example, a second display state of the extinguished state, indicating that no abnormality has occurred on the hard disk. When the logic signal LS is at a low voltage level, the second display unit 140 displays, for example, a second display state of the highlighted state, indicating that at least one of the hard disks is abnormal. In this way, it can be effectively reduced Circuit design complexity and the cost of using the circuit.

In addition, the control unit 110 can generate the identification code signal UIDS, and the identification code signal UIDS is transmitted to the second display unit 140, so that the second display unit 140 can display the fifth display state according to the voltage level of the identification code signal UIDS. . The identification code signal UIDS is used to indicate the location of the electronic device. The hard disk state display device 100 of the present embodiment is applicable, for example, to a rack (Rack), wherein the cabinet may include a plurality of electronic devices and utilize the foregoing fifth display state to display the position of each electronic device in the cabinet.

Moreover, the identifier code UID can be generated, for example, by pressing a User ID Button (UID Button), or can be generated by another user through a remote electronic device. However, the manner in which the identification code signal UID is generated is not the focus of the disclosure, and therefore will not be described herein.

In this embodiment, the first display unit 120_1~120_N and the second display unit 140 can be disposed, for example, on the front panel 210 of the electronic device 200, as shown in FIG. 2, wherein the electronic device 200 is, for example, a server or a computer. system. Please refer to FIG. 2 , which is a schematic diagram showing the arrangement relationship between the first display units 120_1 120 120_N, the second display unit 140 and the front panel 210 of the electronic device 200 according to the second embodiment.

The front panel 210 of the electronic device 200 is configured with a power indicator 220 corresponding to a power button, a power indicator 230 corresponding to a reset button, and first display units 120_1 120 120_N and a second display of the present disclosure. Unit 140. The second display unit 140 includes, for example, a power indicator corresponding to the user identifier key. The lamp 240 and the power indicator 250 corresponding to the display logic signal, and the power indicator lamps 240 and 250 can be implemented, for example, by using a light-emitting diode that can display two colors, to save the use of circuit components. In this way, the first display state and the second display state displayed by the first display unit 120_1~120_N of the front panel 210 and the second display unit 140 can be displayed by the user through the state displayed by the front panel 210. That is, the user can know the connection, the operation, the error, and the like corresponding to the hard disk in front of the electronic device 200, and can also display the position of the electronic device 200 to increase the convenience of use.

Please refer to FIG. 3, which is a detailed schematic diagram of a hard disk state display device according to a third embodiment of the present disclosure. The hard disk state display device 300 also includes a control unit 110, first display units 120_1~120_N, a logic operation unit 130, and a second display unit 140. For the coupling and configuration relationship between the control unit 110, the first display unit 120_1~120_N, the logic operation unit 130 and the second display unit 140, and the related operations, reference may be made to the embodiments of "Fig. 1" and "Fig. 2". The description is not repeated here.

The first display units 120_1 120 120_N each include a first buffer 310, a first resistor R1, a first LED diode 320, and a second resistor R2. The first buffer 310 has an input end and an output end. The input end of the first buffer 310 is coupled to the control unit 110 for receiving one of the working signals WS_1 WS WS_N. That is, the input end of the first buffer 310 of the first display unit 120_1 receives the working signal WS_1, and the input end of the first buffer 310 of the first display unit 120_2 receives the working signal. WS_2, the rest is analogous. The output of the first buffer 310 generates one of the buffered working signals WS_1 WS WS_N to increase the driving capability of the working signals WS_1 WS WS_N.

The first resistor R1 has a first end and a second end. The first end of the first resistor R1 receives the operating voltage VCC, and the second end of the first resistor R1 receives the output end of the first buffer 310. The first light-emitting diode 320 has an anode end and a cathode end. The anode end of the first light-emitting diode 320 is coupled to the second end of the first resistor R1. The cathode end of the first light-emitting diode 320 receives the connection signal CS_1~. One of CS_N. That is, the cathode end of the first LED 201 of the first display unit 120_1 receives the connection signal CS_1, and the cathode end of the first LED 320 of the first display unit 120_2 receives the connection signal CS_2, and the rest is analogous.

The second resistor R2 has a first end and a second end. The first end of the second resistor R2 receives the operating voltage VCC, and the second end of the second resistor R2 is coupled to the cathode end of the first LED 320. The working voltage VCC is, for example, P5V.

The logical operation unit 130 is, for example, an AND gate 330. The gate 330 has N input terminals and an output terminal, and the N input terminals of the gate 330 receive the error signals FS_1 FS FS_N, respectively, and the output terminal of the gate 330 generates a logic signal LS. For example, when at least one of the error signals FS_1~FS_N is at a low voltage level, the output of the gate 330 outputs a logic signal LS of a low voltage level. When the error signals FS_1~FS_N are all at the high voltage level, the output of the gate 330 outputs a logic signal LS of a high voltage level.

The second display unit 140 includes a second buffer 340, a third resistor R3, a fourth resistor R4, and a second LED. The second buffer 340 has an input end and an output end. The input end of the second buffer 340 is coupled to the logic operation unit 130 for receiving the logic signal LS. The output end of the second buffer 340 generates the buffered logic signal LS. To increase the driving ability of the logic signal LS.

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 output end of the second buffer 340. The fourth resistor R4 has a first end and a second end, and the first end of the fourth resistor R4 receives the operating voltage VCC. The second light-emitting diode 350 has an anode end and a cathode end, the anode end of the second light-emitting diode 350 is coupled to the second end of the fourth resistor R4, and the cathode end of the second light-emitting diode 350 is coupled to the third resistor. The second end of R3.

First, before the hard disk state display device 300 is not in operation, since the operating voltage VCC of the anode terminal and the cathode terminal of the first light emitting diode 320 and the second LED body 350 are both at a high voltage level, the first light is emitted. The diode 320 and the second LED 320 are not electrically connected, and also exhibit a first display state and a second display state in an extinguished state.

When the hard disk state display device 300 starts to operate, the control unit 110 provides, for example, the high voltage level working signals WS_1 WS WS_N, and the working signals WS_1 WS WS_N are transmitted to the first light emitting diode 320 via the first buffer 310. At this time, the operating voltage VCC of the anode terminal and the cathode terminal of the first LED diode 320 are both at a high voltage level, and the first LED diode 320 is not turned on, and the first display is in an extinguished state. Status, indicating that the connection status between the hard disk and the hard disk backplane is not connected.

Then, after the hard disk is coupled to the hard disk backplane, the connection signals CS_1~CS_N are converted to a low voltage level and transmitted to the cathode end of the first light emitting diode 320. Since the working signals WS_1~WS_N of the anode terminal of the first LED diode 320 are the cathode terminals of the high voltage level, and the connection signals CS_1~CS_N of the anode terminals of the first LED diode 320 are at a low voltage level, The first light-emitting diode 320 is turned on and presents a first display state in a bright state to indicate that the hard disk and the hard disk backplane are indeed connected.

In addition, when the hard disk starts to work, the control unit 110 provides the working signals WS_1~WS_N in the form of pulse waves, that is, the continuous high voltage level and the low voltage level alternate working signals WS_1~WS_N, and the working signal WS_1 ~WS_N is transmitted to the cathode terminal of the first light emitting diode 320.

At this time, since the working signals WS_1 WS WS_N of the anode terminal of the first illuminating diode 320 are in the form of a pulse wave, and the connection signals CS_1 ～ CS_N of the cathode end of the first illuminating diode 320 are at a low voltage level, the first The LEDs 320 are continuously turned on and off to alternately display a first display state in a blinking state, indicating that the hard disk is operating normally and performing data access.

Then, since no errors occur in all the hard disks, the control unit 110 provides the high voltage level error signals FS_1~FS_N. The high voltage level error signals FS_1~FS_N are transmitted to the input of the AND gate 330, so that the AND gate 330 also generates a high voltage level logic signal LS. This high voltage level logic signal LS will pass the first The second buffer 310 is transmitted to the cathode terminal of the second light emitting diode 350.

Since the logic signal LS of the anode terminal of the second LED 230 is at a high voltage level, and the operating voltage VCC of the cathode terminal of the second LED 350 is at a high voltage level, the second LED 350 is not Turns on, and presents a second display state of being turned off to indicate that no abnormality has occurred on the hard disk.

When at least one of the hard disks has an error state, the control unit 110 provides at least one of the error signals FS_1 FS FS_N of at least one of the low voltage levels, and at least one of the low voltage levels of the error signals FS_1 FS FS_N It will be transmitted to the input of the AND gate 330, so that the AND gate 330 also generates a low voltage level logic signal LS. The low voltage level logic signal LS is transmitted to the cathode terminal of the second light emitting diode 350 via the second buffer 310.

Since the logic signal LS of the cathode terminal of the second LED 230 is at a low voltage level, and the operating voltage VCC of the anode terminal of the second LED 350 is at a high voltage level, the second LED 350 is turned on. , and is in a bright state, indicating that at least one of the hard disks has an abnormal state. In this way, by the states displayed by the first display units 120_1~120_N and the second display unit 140 disposed on the front panel 210, the connection, work, and error status corresponding to the hard disk can be known, which is effective. Reduce the complexity of circuit design and the cost of using the circuit to increase the convenience of use.

Because the display mode of the identification code signal UIDS is the focus of the disclosure, the second display unit 140 of the "3rd picture" does not show the manner of displaying the identification code signal UIDS. However, those skilled in the art should be able to By displaying the logic signal LS The implementation of the circuit, and the implementation of the circuit of the identification code signal UIDS is derived, so it will not be described again.

Please refer to FIG. 4, which is a schematic diagram of a hard disk state display device according to a fourth embodiment of the present invention. The hard disk state display device 400 includes a control unit 110, N first display units 120_1~120_N, a logic operation unit 130, a second display unit 140, N third display units 410_1~410_N, and N fourth display units 420_1~ 420_N, where N is a positive integer greater than one.

The coupling relationship between the control unit 110, the first display units 120_1~120_N, the logic operation unit 130, and the second display unit 140 and the related operations may be referred to the description of the embodiment of FIG. 1, and therefore no longer Narration. And, the number of the first display unit, the third display unit, and the fourth display unit corresponds to the number of hard disks. That is to say, the number of the hard disks is two, and the number of the first display unit, the third display unit, and the fourth display unit is also two; the number of hard disks is three, then the first display unit, the third The display unit and the fourth display unit are also three; the rest are analogous.

The third display unit 410_1~410_N is coupled to the control unit 110 for receiving the working signals WS_1~WS_N and the connection signals CS_1~CS_N respectively, and displaying the corresponding signals according to the voltage levels of the working signals WS_1~WS_N and the connection signals CS_1~CS_N. The number of N third display states. For the operation manners of the third display units 410_1~410_N, refer to the implementation manners of the first display units 120_1~120_N in the "FIG. 1", and therefore no further details are provided herein.

The fourth display unit 420_1~420_N is coupled to the control unit 110 for respectively connecting The error signals FS_1~FS_N are received, and according to the voltage levels of the error signals FS_1~FS_N, a corresponding number of N fourth display states are displayed. For example, when the error signals FS_1 FS FS_N are at a high voltage level, the fourth display units 420_1 420 420_N display, for example, a fourth display state of the extinguished state, indicating that no abnormality has occurred on the hard disk. When the error signals FS_1 FS FS_N are at a low voltage level, the fourth display units 420_1 420 420_N display, for example, a fourth display state of the illuminating state, indicating that at least one of the hard disks is abnormal. In this way, the circuit design complexity and the use cost of the circuit can be effectively reduced.

In addition, in the present embodiment, the first display units 120_1~120_N and the second display unit 140 are disposed, for example, on the front panel 210 of the electronic device 200, as shown in FIG. 2, and the third display units 410_1~410_N and The fourth display units 420_1 to 420_N are disposed, for example, on the back panel 510 of the electronic device 200, as shown in FIG.

The first display state and the second display state displayed by the first display unit 120_1~120_N and the second display unit 140 of the front panel 210, and the third display units 410_1~420_N and the fourth display unit 420_1 of the back panel 510 The third display state and the fourth display state displayed by ~420_N can be used to know the connection, work, and error status of the hard disk.

In addition, when at least one of the hard disks is abnormal, at least one of the second display unit 140 and the fourth display units 420_1 420 420_N may be in a bright state. In this way, the user can pass through the lighting state of the second display unit 140 of the front panel 210, that is, the user is in front of the electronic device 200, and it is known that at least one of the hard disk is faulty. At least one of the fourth display units 420_1 420 420_N of the front panel 510 is in a bright state, that is, the user is behind the electronic device 200, and it is known which one or which hard disks are abnormal, so as to effectively increase the use. Convenience.

In addition, the control unit 110 can generate the identification code signal UIDS, and the identification code signal UIDS is transmitted to the second display unit 140, so that the second display unit 140 can display the fifth display state according to the voltage level of the identification code signal UIDS. . For the identification code signal UIDS, reference may be made to the description of the embodiment of "FIG. 1", and therefore no further details are provided herein. In addition, the identification code signal UIDS is displayed in addition to the second display unit 140 of the front panel 210, and a display unit (not shown) is added to the back panel 510, and the identification unit signal UIDS is displayed by using the newly added display unit. The corresponding state enables the user to obtain the position of the electronic device 200 in the cabinet in front of and behind the electronic device 200.

Please refer to FIG. 6 , which is a detailed schematic diagram of a hard disk state display device according to a sixth embodiment of the present disclosure. The hard disk state display device 600 also includes a control unit 110, first display units 120_1~120_N, a logic operation unit 130, a second display unit 140, third display units 410_1~410_N, and fourth display units 420_1~420_N.

The coupling and arrangement relationship between the control unit 110, the first display units 120_1~120_N, the logic operation unit 130 and the second display unit 140, the third display units 410_1~410_N and the fourth display units 420_1~420_N, and the internal components thereof And related operations, please refer to the description of the embodiments of "1st" to "3rd", and the third For the coupling and arrangement relationship between the display units 410_1~410_N and the fourth display units 420_1~420_N, reference may be made to "4th to 5th", and therefore no further details are provided herein.

The third display units 410_1 410 410_N each include a third buffer 610, a fifth resistor R5, a third light emitting diode 620, and a sixth resistor R6. The third buffer 610 has an input end and an output end. The input end of the third buffer 610 is coupled to the control unit 110 for receiving one of the working signals WS_1 WS WS_N. That is, the input end of the third buffer 610 of the third display unit 410_1 receives the working signal WS_1, and the input end of the third buffer 610 of the third display unit 410_1 receives the working signal WS_2, and the rest is analogized. The output of the third buffer 610 generates one of the buffered working signals WS_1 WS WS_N to increase the driving capability of the working signals WS_1 WS WS_N.

The fifth resistor R5 has a first end and a second end. The first end of the fifth resistor R5 receives the operating voltage VCC, and the second end of the fifth resistor R5 is coupled to the output end of the third buffer 610. The third light-emitting diode 620 has an anode end and a cathode end, the anode end of the third light-emitting diode 620 is coupled to the second end of the fifth resistor R5, and the cathode end of the third light-emitting diode 620 receives the connection signal CS_1~ One of CS_N. That is, the cathode end of the third LED 620 of the third display unit 410_1 receives the connection signal CS_1, and the cathode end of the third LED 620 of the third display unit 410_1 receives the connection signal CS_2, and the rest is analogous.

The sixth resistor R6 has a first end and a second end. The first end of the sixth resistor R6 receives the operating voltage VCC, and the second end of the sixth resistor R6 is coupled to the third LED 620. The cathode end.

The fourth display units 420_1 420 420_N each include a fourth buffer 630, a seventh resistor R7, an eighth resistor R8, and a fourth LED 640. The fourth buffer 630 has an input end and an output end. The input end of the fourth buffer 630 is coupled to the control unit 110 for receiving one of the error signals FS_1 FS FS_N. That is to say, the input end of the fourth buffer 630 of the fourth display unit 420_1 receives the error signal FS_1, and the input end of the fourth buffer 630 of the fourth display unit 420_2 receives the error signal FS_2, and the rest is analogized. The output of the fourth buffer 630 generates one of the buffered error signals FS_1 FS FS_N to increase the driving capability of the error signals FS_1 FS FS_N.

The seventh resistor R7 has a first end and a second end. The first end of the seventh resistor R7 receives the operating voltage VCC, and the second end of the seventh resistor R7 receives the output end of the fourth buffer 630. The eighth resistor R8 has a first end and a second end, and the first end of the eighth resistor R8 receives the operating voltage VCC. The fourth light-emitting diode 640 has an anode end and a cathode end, the anode end of the fourth light-emitting diode 640 is coupled to the second end of the eighth resistor R8, and the cathode end of the fourth light-emitting diode 640 is coupled to the seventh resistor. The second end of R7.

First, before the hard disk state display device 600 is not in operation, since the operating voltage VCC of the anode terminal and the cathode terminal of the third LED 620 and the fourth LED diode 640 are both at a high voltage level, the third illumination is caused. The diode 620 and the fourth LED 640 are not turned on, and also exhibit a third display state and a fourth display state in an extinguished state.

When the hard disk state display device 600 starts to operate, the control unit 110 provides the high voltage level working signals WS_1 WS WS_N, and the working signals WS_1 WS WS_N are transmitted to the third light emitting diode 620 via the third buffer 610. At this time, the operating voltage VCC of the anode terminal and the cathode terminal of the third LED 620 is at a high voltage level, and the third LED 620 is not turned on, and the third display state of the extinction state is displayed, indicating a hard disk. The connection status with the hard disk backplane is not connected.

Then, after the hard disk is coupled to the hard disk backplane, the connection signals CS_1~CS_N are converted to a low voltage level and transmitted to the cathode terminal of the third light emitting diode 620. Since the working signals WS_1~WS_N of the anode terminal of the third LED 620 are the cathode terminals of the high voltage level, and the connection signals CS_1~CS_N of the anode terminals of the third LED 620 are at the low voltage level, The third LED 620 is turned on and presents a third display state in a bright state to indicate that the hard disk and the hard disk backplane are indeed connected.

In addition, when the hard disk starts to work, the control unit 110 provides the working signals WS_1~WS_N in the form of pulse waves, that is, the continuous high voltage level and the low voltage level alternate working signals WS_1~WS_N, and the working signal WS_1 ~WS_N is transmitted to the cathode terminal of the third LED 620.

At this time, since the working signals WS_1~WS_N of the anode terminal of the third LED 620 are in the form of pulse waves, and the connection signals CS_1~CS_N of the cathode terminal of the third LED 620 are at a low voltage level, the third The LED 620 is continuously turned on and off to alternately display a third display state in a blinking state, indicating The hard disk works normally and performs data access.

Then, since no errors occur in all the hard disks, the control unit 110 provides the high voltage level error signals FS_1~FS_N. The high voltage level error signals FS_1~FS_N are transmitted to the cathode terminal of the fourth light emitting diode 640 via the fourth buffer 630, respectively.

Since the FS_1~FS_N of the anode terminal of the fourth LED 640 is at a high voltage level, and the operating voltage VCC of the cathode terminal of the fourth LED 640 is at a high voltage level, the fourth LED 640 is not Turns on, and presents a fourth display state of being turned off to indicate that no abnormality has occurred on the hard disk.

When at least one of the hard disks has an error state, the control unit 110 provides at least one of the error signals FS_1 FS FS_N of at least one of the low voltage levels, and at least one of the low voltage levels of the error signals FS_1 FS FS_N It is transmitted to the cathode end of the fourth light emitting diode 640 via the fourth buffer 630.

Since at least one of the error signals FS_1 FS FS_N of the cathode terminal of the fourth LED 640 is at a low voltage level, and the operating voltage VCC of the anode terminal of the fourth LED 640 is at a high voltage level, the fourth illuminating At least one of the diodes 640 is turned on, and is in a bright state, indicating that at least one of the hard disks has an abnormal state.

In this way, the user can know the state displayed by the display unit disposed on the front panel 210 or the state displayed by the display unit disposed on the front panel 210 and the back panel 510. Connection, work, and error status to increase ease of use.

Because the display mode of the identification code signal UIDS is the focus of the disclosure, the second display unit 140 of the "figure 6" does not show the manner of displaying the identification code signal UIDS. However, those skilled in the art should be able to The implementation of the circuit of the identification code signal UIDS is derived by the implementation of the circuit for displaying the logic signal LS, and thus will not be described herein. In addition, the "figure 6" also does not show the new display unit on the back panel 510 for displaying the implementation of the circuit of the identification code signal UIDS. However, those skilled in the art should be able to display logic. The implementation of the circuit of the signal LS, and the implementation of the circuit of the newly added display unit of the back panel 510, will not be described herein.

The hard disk state display device of the embodiment of the present disclosure generates a corresponding working signal and an error signal by the control unit, and then displays the corresponding first display state according to the voltage level of the working signal and the connected signal by the first display unit. The second display unit displays a corresponding second display state according to the voltage level of the error signal, wherein the first display unit and the second display unit are disposed on the front panel of the electronic device.

In addition, the third display unit and the fourth display unit may be further disposed on the back panel of the back panel of the electronic device, and the third display unit displays the corresponding third display state according to the voltage level of the working signal and the connection signal. The four display units display a corresponding fourth display state according to the voltage level of the error signal. In this way, the complexity of the circuit design and layout and the cost of using the circuit can be effectively reduced, and the status of the hard disk can be known by the front panel or the display state of the display unit configured by the front panel and the back panel. The state to increase the ease of use.

The present disclosure is disclosed in the foregoing embodiments, and is not intended to limit the disclosure. Any subject matter of the present invention can be modified and retouched without departing from the spirit and scope of the disclosure. The scope of patent protection shall be subject to the definition of the scope of the patent application attached to this specification.

100, 300, 400, 600‧‧‧ hard disk status display devices

110‧‧‧Control unit

120_1~120_N‧‧‧First display unit

130‧‧‧Logical unit

140‧‧‧Second display unit

200‧‧‧Electronic devices

210‧‧‧ front panel

220, 230, 240, 250‧‧‧ power indicator

310‧‧‧First buffer

320‧‧‧First LED

330‧‧‧ and gate

340‧‧‧second buffer

350‧‧‧Second light-emitting diode

410_1~410_N‧‧‧ third display unit

420_1~420_N‧‧‧Fourth display unit

510‧‧‧ Back panel

610‧‧‧ third buffer

620‧‧‧ Third Light Emitting Diode

630‧‧‧fourth buffer

640‧‧‧4th LED

R1‧‧‧first resistance

R2‧‧‧second resistance

R3‧‧‧ third resistor

R4‧‧‧fourth resistor

R5‧‧‧ fifth resistor

R6‧‧‧ sixth resistor

R7‧‧‧ seventh resistor

R8‧‧‧ eighth resistor

CS_1~CS_N‧‧‧Connected signal

FS_1~FS_N‧‧‧Error signal

LS‧‧‧ logic signal

VCC‧‧‧ working voltage

WS_1~WS_N‧‧‧ work signal

UIDS‧‧‧ID code signal

FIG. 1 is a schematic diagram of a hard disk state display device according to a first embodiment of the present disclosure.

FIG. 2 is a schematic diagram showing the arrangement relationship of the front panel, the second display unit, and the front panel of the electronic device according to the second embodiment of the present disclosure.

FIG. 3 is a schematic diagram of a hard disk state display device according to a third embodiment of the present disclosure.

FIG. 4 is a schematic diagram of a hard disk state display device according to a fourth embodiment of the present disclosure.

FIG. 5 is a schematic diagram showing the arrangement relationship of the third display unit, the fourth display unit, and the back panel of the electronic device according to the fifth embodiment.

FIG. 6 is a schematic diagram of a hard disk state display device according to a sixth embodiment of the present disclosure.

100‧‧‧hard disk status display device

110‧‧‧Control unit

120_1~120_N‧‧‧First display unit

130‧‧‧Logical unit

140‧‧‧Second display unit

210‧‧‧ front panel

CS_1~CS_N‧‧‧Connected signal

FS_1~FS_N‧‧‧Error signal

LS‧‧‧ logic signal

WS_1~WS_N‧‧‧ work signal

UIDS‧‧‧ID code signal

Claims (9)

A hard disk state display device includes: a control unit for providing N working signals and N error signals, wherein the N working signals respectively indicate a working state of a hard disk, and the N error signals are respectively used to respectively Indicates a hard disk error state, where N is a positive integer greater than 1; N first display units coupled to the control unit, including: a first buffer, the input end of which is coupled to the control unit for receiving the One of the N working signals, the output end of which generates one of the buffered N working signals; a first resistor, the first end of which receives an operating voltage, and the second end of which is coupled to the first buffer An output terminal; a first light emitting diode having an anode end coupled to the second end of the first resistor, a cathode end receiving one of the N connection signals, and a second resistor having a first end receiving the The operating voltage is coupled to the cathode end of the first LED, wherein each of the first display units is in accordance with a voltage level of one of the N operational signals and one of the N connection signals. To display a first display state separately Wherein the N signal to indicate a connection Drive Drive a connected state with a backing plate; and a logic operation unit, coupled to the control unit for receiving the N error And performing a logic operation on the N error signals to generate a logic signal; and a second display unit coupled to the logic operation unit for receiving the logic signal and according to the voltage level of the logic signal To display a second display state. The hard disk state display device of claim 1, wherein the logic operation unit is a gate. The hard disk state display device of claim 1, wherein the second display unit comprises: a second buffer, wherein the input end is coupled to the logic operation unit for receiving the logic signal, and the output terminal is buffered The third resistor has a first terminal receiving an operating voltage and a second terminal coupled to the output of the second buffer; a fourth resistor having a first terminal receiving the operating voltage; and a first resistor The second light emitting diode has an anode end coupled to the second end of the fourth resistor, and a cathode end coupled to the second end of the third resistor. The hard disk state display device of claim 1, wherein the N first display units and the second display unit are disposed on a front panel of an electronic device. The hard disk state display device of claim 1, further comprising: N third display units coupled to the control unit for respectively receiving the N working signals and the N connection signals, and according to the N a working signal and a voltage level of the N connected signals to display N third display states; The N fourth display units are coupled to the control unit for receiving the error signal and displaying N fourth display states according to the voltage level of the error signal. The hard disk state display device of claim 5, wherein the N first display units and the second display unit are disposed on a front panel of an electronic device, the N third display units and the N fourth displays The unit is disposed on a back panel of the electronic device. The hard disk state display device of claim 5, wherein the N third display units each comprise: a third buffer, the input end of which is coupled to the control unit for receiving one of the N working signals The output end generates one of the buffered N working signals; a fifth resistor, the first end receives an operating voltage, and the second end is coupled to the output end of the third buffer; a third illumination a diode having an anode end coupled to the second end of the fifth resistor, a cathode end receiving one of the connection signals, and a sixth resistor having a first end receiving the operating voltage and a second end coupled The cathode end of the third light emitting diode. The hard disk state display device of claim 5, wherein the N fourth display units each comprise: a fourth buffer, the input end of which is coupled to the control unit for receiving one of the N error signals , the output end of which one of the buffered N error signals is generated; a seventh resistor, the first end of which receives an operating voltage, the second end of which receives the output of the fourth buffer; an eighth resistor, the first end of which receives the operating voltage; and a fourth LED The anode end is coupled to the second end of the eighth resistor, and the cathode end is coupled to the second end of the seventh resistor. The hard disk state display device of claim 1, wherein the processing unit further generates an identification code signal to the second display unit, and the second display unit further displays the first level according to the voltage level of the identification code signal. A display state, wherein the identification code signal is used to indicate an electronic device location.