CN216905369U - Hard disk indicating lamp control circuit and device - Google Patents
Hard disk indicating lamp control circuit and device Download PDFInfo
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- CN216905369U CN216905369U CN202122921526.1U CN202122921526U CN216905369U CN 216905369 U CN216905369 U CN 216905369U CN 202122921526 U CN202122921526 U CN 202122921526U CN 216905369 U CN216905369 U CN 216905369U
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- 238000004377 microelectronic Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
The utility model relates to the technical field of hard disk indicating lamps, and discloses a hard disk indicating lamp control circuit and a hard disk indicating lamp control device. In the utility model, the hard disk indicating lamp control circuit comprises a power supply module, a switch module and a hard disk indicating lamp module, wherein the switch module is respectively connected with the power supply module and the hard disk indicating lamp module; according to the utility model, the power-on time sequence of the power supply module is firstly obtained through the switch module, the switch signal is output to the hard disk indicating lamp module according to the power-on time sequence, and then the hard disk indicating lamp module is used for turning on or turning off the hard disk indicating lamp according to the switch signal. According to the utility model, the switch module outputs the switch signal according to the power-on time sequence of the power module, the switch signal can be stably output according to whether the power module is powered on, and then the hard disk indicator lamp is turned on or off according to the switch signal through the hard disk indicator lamp module, so that the hard disk indicator lamp can be prevented from flashing instantly when the power module is powered on.
Description
Technical Field
The utility model relates to the technical field of hard disk indicator lamps, in particular to a control circuit and a control device of a hard disk indicator lamp.
Background
At present, a mainboard of a desktop computer is provided with an HDD (hard disk drive) indicator light, the HDD indicator light is turned on only after the computer is started, and the HDD indicator light can flicker continuously during data reading and writing. At present, an indicator lamp of the HDD hard disk in the industry is uncontrolled before power-on and power-on, and the HDD hard disk can be mistakenly considered to be working due to the fact that a flash possibly occurs during power-on.
The above is only for the purpose of assisting understanding of the technical aspects of the present invention, and does not represent an admission that the above is prior art.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a control circuit and a control device for a hard disk indicator lamp, and aims to solve the technical problem that the hard disk indicator lamp in the prior art is instantly flashed when being powered on.
In order to achieve the above object, the present invention provides a hard disk indicator lamp control circuit, which includes: the device comprises a power supply module, a switch module and a hard disk indicator lamp module;
the switch module is respectively connected with the power supply module and the hard disk indicator light module;
the switch module is used for acquiring a power-on time sequence of the power supply module and outputting a switch signal to the hard disk indicator lamp module according to the power-on time sequence;
and the hard disk indicator light module is used for turning on or off the hard disk indicator light according to the switch signal.
Optionally, the switch module is further configured to output a start signal to the hard disk indicator light module when the power-on sequence is stable;
and the hard disk indicating lamp module is used for turning on the hard disk indicating lamp when the turning-on signal is received.
Optionally, the switch module is further configured to output a shutdown signal to the hard disk indicator light module when the power-on sequence is unstable;
and the hard disk indicator light module is used for turning off the hard disk indicator light when receiving the turning-off signal.
Optionally, the switch module comprises: an embedded controller and a switch unit;
the input end of the embedded controller is connected with the central processing unit, the output end of the embedded controller is connected with the input end of the switch unit, and the output end of the switch unit is respectively connected with the power supply module and the hard disk indicator light module;
the embedded controller is used for acquiring a power-on time sequence of the power supply module and outputting a control signal to the switch unit according to the power-on time sequence;
and the switch unit is used for conducting or switching off according to the control signal.
Optionally, the switch unit is further configured to output a turn-off signal when the current state is the on state;
the switch unit is also used for outputting a starting signal when the current state is the turn-off state.
Optionally, the switching unit comprises: an MOS tube;
the grid electrode of the MOS tube is connected with the embedded controller, the source electrode of the MOS tube is grounded, and the drain electrode of the MOS tube is respectively connected with the power supply module and the hard disk indicator lamp module.
Optionally, the hard disk indicator light module includes: a light emitting diode;
the anode of the light emitting diode is respectively connected with the output end of the switch unit and the power supply module, and the cathode of the light emitting diode is grounded.
Optionally, the hard disk indicator light module further includes: a first resistor and a second resistor;
the first end of the first resistor is connected with the power supply module, the second end of the first resistor is respectively connected with the output end of the switch unit and the first end of the second resistor, and the second end of the second resistor is connected with the anode of the light emitting diode.
In order to achieve the above object, the present invention further provides a hard disk indicator light control device, which includes the hard disk indicator light control circuit as described above.
In the utility model, the hard disk indicating lamp control circuit comprises a power supply module, a switch module and a hard disk indicating lamp module, wherein the switch module is respectively connected with the power supply module and the hard disk indicating lamp module; according to the utility model, the power-on time sequence of the power supply module is firstly obtained through the switch module, the switch signal is output to the hard disk indicating lamp module according to the power-on time sequence, and then the hard disk indicating lamp module is used for turning on or turning off the hard disk indicating lamp according to the switch signal. According to the utility model, the switch module outputs the switch signal according to the power-on time sequence of the power module, the switch signal can be stably output according to whether the power module is powered on, and then the hard disk indicator lamp is turned on or off according to the switch signal through the hard disk indicator lamp module, so that the hard disk indicator lamp can be prevented from flashing instantly when the power module is powered on.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a functional block diagram of an embodiment of a hard disk indicator lamp control circuit according to the present invention;
fig. 2 is a schematic circuit structure diagram of an embodiment of a hard disk indicator light control circuit according to the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) | |
| 10 | Power supply module | 202 | |
|
| 20 | Switch module | | MOS tube | |
| 30 | Hard disk indicating lamp module | D | |
|
| 201 | Embedded controller | R1～R2 | First to second resistors |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a control circuit of a hard disk indicator lamp.
Referring to fig. 1, fig. 1 is a functional block diagram of an embodiment of a hard disk indicator lamp control circuit according to the present invention.
As shown in fig. 1, in the embodiment of the present invention, the hard disk indicator lamp control circuit includes: the hard disk drive comprises a power supply module 10, a switch module 20 and a hard disk indicator light module 30;
the switch module 20 is respectively connected with the power module 10 and the hard disk indicator light module 30;
the switch module 20 is configured to obtain a power-on time sequence of the power module 10, and output a switch signal to the hard disk indicator light module 30 according to the power-on time sequence;
it is understood that the power-on sequence of the power module 10 refers to the level change condition of the power module 10 from the power-on moment, that is, the level changes with the time.
In a specific implementation, the level corresponding to the power-on sequence is suddenly increased at the power-on moment, and the level is unchanged after the power supply is stabilized.
The hard disk indicator light module 30 is configured to turn on or turn off the hard disk indicator light according to the switch signal.
It should be understood that the hard disk indicator light module 30 may turn on or off the hard disk indicator light according to the switch signal output by the switch module 20, and when the switch signal is the on signal, the hard disk indicator light is turned on; and when the switch signal is an off signal, the hard disk indicating lamp is turned off.
Further, the switch module 20 is further configured to output a start signal to the hard disk indicator light module 30 when the power-on sequence is stable;
the hard disk indicator light module 30 is configured to turn on a hard disk indicator light when receiving the turn-on signal.
In a specific implementation, when the power-on timing sequence is stable, it indicates that the power supply has entered a stable state, a turn-on signal may be output to the hard disk indicator module 30, and the hard disk indicator is turned on, at which time the hard disk enters a working state.
Further, the switch module 20 is further configured to output a shutdown signal to the hard disk indicator light module 30 when the power-on sequence is unstable;
the hard disk indicator light module 30 is configured to turn off the hard disk indicator light when receiving the turn-off signal.
In a specific implementation, when the power-on timing sequence is unstable, it indicates that the power supply does not enter a stable state, and may still be in a state from the power-on moment to the power-on stability, and may output a turn-off signal to the hard disk indicator lamp module 30, and turn off the hard disk indicator lamp, at this time, the hard disk does not enter a working state yet.
Further, the switch module 20 includes: an embedded controller 201 and a switch unit 202;
the input end of the embedded controller 201 is connected with a central processing unit, the output end of the embedded controller 201 is connected with the input end of the switch unit 202, and the output end of the switch unit 202 is respectively connected with the power module 10 and the hard disk indicator light module 30;
the embedded controller 201 is configured to obtain a power-on timing sequence of the power module 10, and output a control signal to the switch unit 202 according to the power-on timing sequence;
it should be noted that an Embedded Controller (EC) is used for executing a control system that specifies an independent control function and has the capability of processing data in a complex manner. The embedded controller is an electronic device or apparatus controlled by an embedded microelectronic technology chip (including a series of microelectronic devices such as a microprocessor chip, a timer, a sequencer or a controller) and can complete various automated processing tasks such as monitoring and control.
In a specific implementation, the embedded controller 201 operates all the time, and is capable of monitoring a power-on timing sequence of the power module 10 and outputting a control signal to the switch unit 202 according to the power-on timing sequence.
The switch unit 202 is configured to be turned on or off according to the control signal.
It can be understood that when the embedded controller 201 monitors that the power-on timing is stable, the switch unit 202 is controlled to be turned off; when the embedded controller 201 monitors that the power-on sequence is unstable, the switch unit 202 is controlled to be turned on.
Further, the switch unit 202 is further configured to output a turn-off signal when the current state is the on state;
the switch unit 202 is further configured to output an on signal when the current state is an off state.
It should be understood that when the current state of the switch unit 202 is on, the switch unit outputs a turn-off signal to the hard disk indicator light module 30, and the hard disk indicator light is turned off; when the current state of the switch unit 202 is off, the switch unit outputs a turn-on signal to the hard disk indicator light module 30, and the hard disk indicator light is turned on, i.e., emits light.
Further, referring to fig. 2, fig. 2 is a schematic circuit structure diagram of an embodiment of the hard disk indicator light control circuit according to the present invention.
As shown in fig. 2, the switching unit 202 includes: an MOS tube Q;
the grid of the MOS transistor Q is connected with the embedded controller 201, the source of the MOS transistor Q is grounded, and the drain of the MOS transistor Q is connected with the power module 10 and the hard disk indicator lamp module 30 respectively.
It is understood that the switch unit 202 in the present embodiment may include a MOS transistor Q, which may be a PMOS transistor or an NMOS transistor, and the present embodiment is not limited thereto.
In a specific implementation, when the embedded controller 201 monitors that the power-on sequence is stable, a high-level signal is output, at this time, the MOS transistor Q is turned on, and the drain of the MOS transistor Q is at a low level; when the embedded controller 201 monitors that the power-on sequence is unstable, a low level signal is output, and at this time, the MOS transistor Q is not turned on.
Further, the hard disk indicator light module 30 includes: a light emitting diode D;
the anode of the light emitting diode D is connected to the output end of the switch unit 202 and the power module 10, and the cathode of the light emitting diode D is grounded.
It should be understood that when the MOS transistor is turned on, the drain of the MOS transistor Q is at a low level, and at this time, the anode of the light emitting diode D is at a low level, and the light emitting diode D does not emit light, that is, the hard disk indicator light is turned off; when the MOS tube is turned off, the anode of the light-emitting diode D is at a high level, and the light-emitting diode D can emit light, namely, the hard disk indicator lamp is turned on.
Further, the hard disk indicator light module 30 further includes: a first resistor R1 and a second resistor R2;
a first end of the first resistor R1 is connected to the power module 10, a second end of the first resistor R1 is connected to the output end of the switch unit 202 and a first end of the second resistor R2, and a second end of the second resistor R2 is connected to the anode of the light emitting diode D.
It can be understood that the first resistor R1 and the second resistor R2 can be used to control the brightness of the led D, and the larger the resistances of the first resistor R1 and the second resistor R2 are, the darker the brightness of the led D is.
In this embodiment, the hard disk indicator light control circuit includes a power module, a switch module and a hard disk indicator light module, wherein the switch module is respectively connected with the power module and the hard disk indicator light module; in this embodiment, the power-on time sequence of the power module is obtained through the switch module, and the switch signal is output to the hard disk indicator light module according to the power-on time sequence, and then the hard disk indicator light module turns on or turns off the hard disk indicator light according to the switch signal. This embodiment can be according to power module's last electric time sequence output switch signal through switch module, can be according to power module whether go up electric stable output switch signal, then open or close the hard disk pilot lamp according to switch signal through hard disk pilot lamp module to can avoid the hard disk pilot lamp to appear the flash of moments when power module is electrified.
In order to achieve the above object, the present invention further provides a hard disk indicator lamp control device, which includes the above hard disk indicator lamp control circuit. The specific structure of the circuit refers to the above embodiments, and since the present device adopts all the technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.
Claims (9)
1. The utility model provides a hard disk pilot lamp control circuit which characterized in that, hard disk pilot lamp control circuit includes: the device comprises a power supply module, a switch module and a hard disk indicator lamp module;
the switch module is respectively connected with the power supply module and the hard disk indicator light module;
the switch module is used for acquiring a power-on time sequence of the power supply module and outputting a switch signal to the hard disk indicator lamp module according to the power-on time sequence;
and the hard disk indicating lamp module is used for turning on or turning off the hard disk indicating lamp according to the switching signal.
2. The hard disk indicator lamp control circuit of claim 1, wherein the switch module is further configured to output a turn-on signal to the hard disk indicator lamp module when the power-on timing is stable;
and the hard disk indicating lamp module is used for turning on the hard disk indicating lamp when the turning-on signal is received.
3. The hard disk drive indicator light control circuit of claim 2, wherein the switch module is further configured to output a shutdown signal to the hard disk drive indicator light module when the power-on sequence is not stable;
and the hard disk indicating lamp module is used for turning off the hard disk indicating lamp when receiving the turning-off signal.
4. The hard disk drive indicator light control circuit of claim 3, wherein the switch module comprises: an embedded controller and a switch unit;
the input end of the embedded controller is connected with the central processing unit, the output end of the embedded controller is connected with the input end of the switch unit, and the output end of the switch unit is respectively connected with the power supply module and the hard disk indicator light module;
the embedded controller is used for acquiring a power-on time sequence of the power supply module and outputting a control signal to the switch unit according to the power-on time sequence;
and the switch unit is used for conducting or switching off according to the control signal.
5. The hard disk drive indicator lamp control circuit of claim 4, wherein the switch unit is further configured to output a shutdown signal when the current state is the on state;
the switch unit is also used for outputting a starting signal when the current state is the turn-off state.
6. The hard disk drive indicator lamp control circuit of claim 5, wherein the switching unit comprises: an MOS tube;
the grid electrode of the MOS tube is connected with the embedded controller, the source electrode of the MOS tube is grounded, and the drain electrode of the MOS tube is respectively connected with the power supply module and the hard disk indicator lamp module.
7. The hard disk drive indicator light control circuit of claim 6, wherein the hard disk drive indicator light module comprises: a light emitting diode;
the anode of the light emitting diode is respectively connected with the output end of the switch unit and the power supply module, and the cathode of the light emitting diode is grounded.
8. The hard disk drive indicator light control circuit of claim 7, wherein the hard disk drive indicator light module further comprises: a first resistor and a second resistor;
the first end of the first resistor is connected with the power supply module, the second end of the first resistor is respectively connected with the output end of the switch unit and the first end of the second resistor, and the second end of the second resistor is connected with the anode of the light emitting diode.
9. A hard disk indicator light control device, characterized in that the hard disk indicator light control device comprises a hard disk indicator light control circuit according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122921526.1U CN216905369U (en) | 2021-11-25 | 2021-11-25 | Hard disk indicating lamp control circuit and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122921526.1U CN216905369U (en) | 2021-11-25 | 2021-11-25 | Hard disk indicating lamp control circuit and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216905369U true CN216905369U (en) | 2022-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122921526.1U Active CN216905369U (en) | 2021-11-25 | 2021-11-25 | Hard disk indicating lamp control circuit and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216905369U (en) |
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2021
- 2021-11-25 CN CN202122921526.1U patent/CN216905369U/en active Active
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Effective date of registration: 20231114 Address after: 518000, 4th Floor, No. 31, Xiacun Community, Gongming Street, Guangming District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Baoxinchuang Information Technology Co.,Ltd. Address before: 518000 2nd floor, no.6, huidebao Industrial Park, No.11, second industrial zone, Baihua community, Guangming Street, Guangming District, Shenzhen City, Guangdong Province Patentee before: Shenzhen baoxinchuang Technology Co.,Ltd. |