CN107708252A - A kind of pure NVME backboards LED state indicator lamp STBY power switching device and methods - Google Patents
A kind of pure NVME backboards LED state indicator lamp STBY power switching device and methods Download PDFInfo
- Publication number
- CN107708252A CN107708252A CN201710914324.XA CN201710914324A CN107708252A CN 107708252 A CN107708252 A CN 107708252A CN 201710914324 A CN201710914324 A CN 201710914324A CN 107708252 A CN107708252 A CN 107708252A
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- resistance
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- stby
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
- G06F11/32—Monitoring with visual or acoustical indication of the functioning of the machine
- G06F11/324—Display of status information
- G06F11/325—Display of status information by lamps or LED's
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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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Led Devices (AREA)
Abstract
A kind of pure NVME backboards LED state indicator lamp STBY power switching devices, including CPLD circuit, circuit for detecting and drive circuit；The input of the CPLD circuit is connected with the output end of circuit for detecting, the input input 12Vcore electricity and 3.3V STBY electricity of circuit for detecting；The output end of the CPLD circuit is connected with the input of drive circuit, the output end output of drive circuit.Also include a kind of pure NVME backboards LED state indicator lamp STBY power switching methods.Extra power supply IC is not needed to convert Core electricity, can also avoid, using P12V Core electricity, having saved resource.
Description
Technical field
The present invention relates to server hard disc running technology field, specifically a kind of pure NVME backboards LED state instruction
Lamp STBY power switching device and methods.
Background technology
In order to improve server hard disc reliability of operation, the state directly perceived for embodying server hard disc in the process of use, firmly
The information such as disk read-write, Hard disk error, hard disk positioning are intuitively shown, allowed using the LED of three different colours by disk
Design or safeguard that user of service can intuitively know hard disk current state.
Current pure NVME backboards are all the power supply source using mainboard or power panel, mainly 12Vcore electricity and P3V3_
STBY electricity.
LED drive power is required for selecting Core electricity, if using P3V3_STBY electric drives, can cause in insertion AC shapes
Under state, CPLD has worked, and now hard disk inserts, and CPLD, which can drive, lights Active indicator lamps, now server and is not keyed up,
It is not inconsistent with actual requirement.
Therefore, design LED drive power is all controlled using Core electricity at present.If driven using 12V Core electricity,
Sink current can be caused excessive, CPLD is may result in and burn out, it is necessary to additionally plus Mos isolation, increase substantial amounts of Mos and use, waste
Cost, while the reliability of server is also because increase component causes hiding hidden danger.
The content of the invention
It is an object of the invention to provide a kind of pure NVME backboards LED state indicator lamp STBY power switchings device and side
Method, indicator lamp instruction state and actual the problem of not being consistent when being run for settlement server hard disk.
The technical scheme adopted by the invention to solve the technical problem is that：A kind of pure NVME backboards LED state indicator lamp
STBY power switching devices, including CPLD circuit, circuit for detecting and drive circuit；The input of the CPLD circuit and detecting electricity
The output end on road is connected, the input input 12Vcore electricity and 3.3V STBY electricity of circuit for detecting；The output of the CPLD circuit
End is connected with the input of drive circuit, the output end output of drive circuit.
Further, the CPLD circuit includes LCMX02-2000HC-4FTG256I chips.
Further, described circuit for detecting includes resistance R1, resistance R2, resistance R3, resistance R4, triode Q1, field effect
Should pipe Q2；A termination 12Vcore electricity of the resistance R1, the resistance R1 other end one end with resistance R2 and triode Q1 respectively
Base stage be connected；Resistance R2 other end ground connection, triode Q1 grounded emitter, triode Q1 colelctor electrode respectively with resistance
R3 one end is extremely connected with FET Q2 G, resistance R3 another termination 3.3V STBY electricity；FET Q2 D poles difference
It is connected with resistance R4 one end and the B4 pins of LCMX02-2000HC-4FTG256I chips, resistance R4 another termination 3.3V
STBY electricity；FET Q2 S poles ground connection.
Further, described drive circuit includes Act LED drive circuits；The Act LED drive circuits include Act
LED, resistance R5；The negative pole of the Act LEDs is connected with the A4 pins of LCMX02-2000HC-4FTG256I chips to be connected,
The positive pole of Act LEDs is connected with resistance R5 one end, resistance R5 other end output 3.3V STBY electricity.
A kind of pure NVME backboards LED state indicator lamp STBY power switching methods, using described device, including with lower section
Method：
CPLD is according to whether detect whether 12V core electricity and hard disk control corresponding drive circuit in place.
Further, the specific method of drive circuit corresponding to control includes：
When detecting 12V core electricity and detecting that hard disk is in place, then the conducting of Act LED drive circuits is controlled so that Act
LED is bright.
Further, detect that 12V core electrical representations have been switched on, be not detected by 12V core electrical representations and be not keyed up.
What the above content of the invention provided is only the statement of the embodiment of the present invention, rather than invention is in itself.
The effect provided in the content of the invention is only the effect of embodiment, rather than whole effects that invention is all, above-mentioned
A technical scheme in technical scheme has the following advantages that or beneficial effect：
By monitoring the input of P12V Core electricity, CPLD judges now to be already powered on, and just goes to light corresponding NVME disks
Act lamps, this method LED drive power can be driven using P3V3_STBY electricity, and not need extra power supply IC to convert
Core electricity, it can also avoid, using P12V Core electricity, having saved resource.
Brief description of the drawings
Accompanying drawing described herein is used for providing that the present invention is explained further, and forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the CPLD circuit figure of the embodiment of the present invention；
Fig. 2 is the circuit for detecting figure of the embodiment of the present invention；
Fig. 3 is the Act LED drive circuit figures of the embodiment of the present invention.
Embodiment
In order to the technical characterstic of clear explanation this programme, below by embodiment, and its accompanying drawing is combined, to this
Invention is described in detail.Following disclosure provides many different embodiments or example is used for realizing the different knots of the present invention
Structure.In order to simplify disclosure of the invention, hereinafter the part and setting of specific examples are described.In addition, the present invention can be with
Repeat reference numerals and/or letter in different examples.This repetition is that for purposes of simplicity and clarity, itself is not indicated
Relation between various embodiments are discussed and/or set.It should be noted that part illustrated in the accompanying drawings is not necessarily to scale
Draw.Present invention omits the description to known assemblies and treatment technology and process to avoid being unnecessarily limiting the present invention.
A kind of pure NVME backboards LED state indicator lamp STBY power switching devices, including CPLD circuit, circuit for detecting and drive
Dynamic circuit；The input of CPLD circuit is connected with the output end of circuit for detecting, the input of circuit for detecting input 12Vcore electricity and
3.3V STBY electricity；The output end of CPLD circuit is connected with the input of drive circuit, the output end output of drive circuit.
As shown in figure 1, CPLD circuit includes LCMX02-2000HC-4FTG256I chips.
As shown in Fig. 2 circuit for detecting includes resistance R1, resistance R2, resistance R3, resistance R4, triode Q1, FET
Q2；A termination 12Vcore electricity of the resistance R1, the resistance R1 other end respectively with resistance R2 one end and triode Q1 base
Extremely it is connected；Resistance R2 other end ground connection, triode Q1 grounded emitter, triode Q1 colelctor electrode is respectively with resistance R3's
One end is extremely connected with FET Q2 G, resistance R3 another termination 3.3V STBY electricity；FET Q2 D poles respectively with electricity
Resistance R4 one end is connected with the B4 pins of LCMX02-2000HC-4FTG256I chips, resistance R4 another termination 3.3V STBY
Electricity；FET Q2 S poles ground connection.
As shown in figure 3, drive circuit includes Act LED drive circuits；The Act LED drive circuits include Act LED
Lamp, resistance R5；The negative pole of the Act LEDs is connected with the A4 pins of LCMX02-2000HC-4FTG256I chips to be connected, Act
The positive pole of LED is connected with resistance R5 one end, resistance R5 other end output 3.3V STBY electricity.
A kind of pure NVME backboards LED state indicator lamp STBY power switching methods, including following methods：CPLD according to whether
Detect whether 12V core electricity and hard disk control corresponding drive circuit in place.Detect that 12V core electrical representations have been opened
Machine, it is not detected by 12V core electrical representations and is not keyed up.
When detecting 12V core electricity and detecting that hard disk is in place, then the conducting of Act LED drive circuits is controlled so that Act
LED is bright.
The situation in place for detecting hard disk is prior art, and such as in Fig. 1, when U1_B3 is low level, NVME hard disks exist
Position, when U1_B3 is high level, NVME hard disks are not in place.
CPLD U1_A4 exports corresponding low level to light corresponding ACT LED or directly gating hard disk ACT outputs
Signal U1_B6 drives LED, so as to realize LED instruction disk read-write or state in place.
Simply the preferred embodiment of the present invention described above, for those skilled in the art,
Without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications are also regarded as this hair
Bright protection domain.
Claims (7)
1. a kind of pure NVME backboards LED state indicator lamp STBY power switching devices, it is characterized in that, including CPLD circuit, detecting
Circuit and drive circuit；The input of the CPLD circuit is connected with the output end of circuit for detecting, and the input of circuit for detecting is defeated
Enter 12Vcore electricity and 3.3V STBY electricity；The output end of the CPLD circuit is connected with the input of drive circuit, drive circuit
Output end output.
2. device according to claim 1, it is characterized in that, the CPLD circuit includes LCMX02-2000HC-4FTG256I
Chip.
3. device according to claim 2, it is characterized in that, described circuit for detecting includes resistance R1, resistance R2, resistance
R3, resistance R4, triode Q1, FET Q2；A termination 12Vcore electricity of the resistance R1, resistance R1 other end difference
It is connected with resistance R2 one end and triode Q1 base stage；Resistance R2 other end ground connection, triode Q1 grounded emitter, three
Pole pipe Q1 colelctor electrode is extremely connected with resistance R3 one end and FET Q2 G respectively, resistance R3 another termination 3.3V
STBY electricity；FET Q2 D poles respectively with resistance R4 one end and the B4 pins of LCMX02-2000HC-4FTG256I chips
It is connected, resistance R4 another termination 3.3VSTBY electricity；FET Q2 S poles ground connection.
4. device according to claim 2, it is characterized in that, described drive circuit includes Act LED drive circuits；It is described
Act LED drive circuits include Act LEDs, resistance R5；The negative pole and LCMX02-2000HC- of the Act LEDs
The A4 pins of 4FTG256I chips are connected, and the positive pole of Act LEDs is connected with resistance R5 one end, the resistance R5 other end
Export 3.3V STBY electricity.
5. a kind of pure NVME backboards LED state indicator lamp STBY power switching methods, utilize any one institute of Claims 1-4 4
The device stated, it is characterized in that, including following methods：
CPLD is according to whether detect whether 12V core electricity and hard disk control corresponding drive circuit in place.
6. according to the method for claim 5, it is characterized in that, the specific method of drive circuit corresponding to control includes：
When detecting 12V core electricity and detecting that hard disk is in place, then the conducting of Act LED drive circuits is controlled so that Act LED
Lamp is bright.
7. according to the method for claim 6, it is characterized in that, detect that 12V core electrical representations have been switched on, be not detected by 12V
Core electrical representations are not keyed up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914324.XA CN107708252B (en) | 2017-09-30 | 2017-09-30 | A kind of pure NVME backboard LED state indicator light STBY power switching device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710914324.XA CN107708252B (en) | 2017-09-30 | 2017-09-30 | A kind of pure NVME backboard LED state indicator light STBY power switching device and method |
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| CN107708252A true CN107708252A (en) | 2018-02-16 |
| CN107708252B CN107708252B (en) | 2019-02-15 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108549042A (en) * | 2018-04-02 | 2018-09-18 | 郑州云海信息技术有限公司 | A kind of NVME LED detecting systems and detection method |
| CN108668414A (en) * | 2018-06-27 | 2018-10-16 | 浙江阳光美加照明有限公司 | A kind of alternating current and the dual-purpose LED grass of low-voltage DC insert lamp |
| CN108680872A (en) * | 2018-04-02 | 2018-10-19 | 郑州云海信息技术有限公司 | A kind of test method suitable for NVME hard disk backboard status lamps |
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| CN103984620A (en) * | 2014-05-30 | 2014-08-13 | 浪潮电子信息产业股份有限公司 | Backboard hardware power-on indication lamp lighting circuit dynamic implementation method |
| CN104238703A (en) * | 2013-06-11 | 2014-12-24 | 鸿富锦精密电子(天津)有限公司 | Power circuit |
| CN106547673A (en) * | 2016-11-04 | 2017-03-29 | 郑州云海信息技术有限公司 | A kind of method for designing for improving server front panel indicator lamp brightness |
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| CN104238703A (en) * | 2013-06-11 | 2014-12-24 | 鸿富锦精密电子(天津)有限公司 | Power circuit |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108549042A (en) * | 2018-04-02 | 2018-09-18 | 郑州云海信息技术有限公司 | A kind of NVME LED detecting systems and detection method |
| CN108680872A (en) * | 2018-04-02 | 2018-10-19 | 郑州云海信息技术有限公司 | A kind of test method suitable for NVME hard disk backboard status lamps |
| CN108549042B (en) * | 2018-04-02 | 2019-12-17 | 苏州浪潮智能科技有限公司 | NVME LED detection system and detection method |
| CN108668414A (en) * | 2018-06-27 | 2018-10-16 | 浙江阳光美加照明有限公司 | A kind of alternating current and the dual-purpose LED grass of low-voltage DC insert lamp |
| CN108668414B (en) * | 2018-06-27 | 2023-11-10 | 浙江阳光美加照明有限公司 | Dual-purpose LED grass of commercial power and low voltage direct current is inserted lamp |
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| Publication number | Publication date |
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| CN107708252B (en) | 2019-02-15 |
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