WO2019119353A1

WO2019119353A1 - Power source for sequentially starting up hard disks

Info

Publication number: WO2019119353A1
Application number: PCT/CN2017/117744
Authority: WO
Inventors: 李庆远
Original assignee: 李庆远
Priority date: 2017-12-21
Filing date: 2017-12-21
Publication date: 2019-06-27

Abstract

A power source for sequentially starting up hard disks, wherein the power source may sequentially start up a plurality of hard disks, thus relieving the pressure on the power source from sequentially starting up the plurality of hard disks, preventing unnecessary power configuration, and increasing the efficiency of the power source.

Description

Start the power of the hard disk in sequence

Field of invention

The invention relates to a power supply for sequentially starting a hard disk, in particular to a power supply capable of sequentially starting a plurality of hard disks, thereby reducing the pressure on the power source of simultaneously starting multiple hard disks, avoiding unnecessary power configuration, and improving energy efficiency.

Background technique

A conventional ATX power supply consists of a 20/24-pin motherboard plug, a 4/8-pin CPU power plug, one or more SATA power plugs, one or more 6/8-pin graphics power plugs, and one or more Molex plug. When the motherboard is booted, all plugs are powered up at the same time, and all hard drives are also powered on at the same time. This is not a problem for most desktops, but it can be a problem for dedicated NAS (Network Attached Storage).

Dedicated NAS is usually built on low-power CPUs and small chassis, and the power fluctuations are small after the system is started up. Therefore, an excessively redundant power configuration is unnecessary, which wastes space and reduces energy efficiency. A typical hard disk boot power is 24W, while a NAS hard disk read and write state does not exceed 6W. For an 8-bay NAS, the power of about 200W configured for the hard disk is too wasteful. In fact, 80W USB power supply is enough.

Summary of invention

The power supply of the embodiment of the invention has the following features: when the system is powered on, the hard disk is sequentially started in sequence. First boot the hard disk of the partition where the operating system is located, and then start other hard disks in turn. This avoids peak currents that are concentrated at the same time. Specific embodiments include:

· At regular intervals: Most new hard drives, power-on boot to stable rotation of the disc, take a certain amount of time (Power-on to ready). A safe value can be set according to most models of mainstream hard disk manufacturers. This security value is obtained by adding the power to the slowest startup time (Power-on to ready) of all models. Redundancy is mainly to prevent special situations. For example, if the hard disk motor is used for a long time, the startup time becomes longer. If the startup time of the new hard disk is also started in turn, the current peaks are superimposed, which may cause damage to the system caused by the power overload. The advantages are simple and low, and only the timer needs to be turned on in turn to turn on the corresponding SATA power plug. The disadvantage is that it does not allow for both overload and quick start. For example, some single-disc hard disks only need half of the boot time of the multi-disc hard disk, and they are started in the slowest startup time. The 8-bay NAS needs at least 2 minutes to start.

· The output power is detected by the power supply. After one hard disk current is stable, power on the other SATA power plugs. The advantage is that it can be started quickly and guaranteed to be not overloaded. The disadvantage is that a special current monitoring circuit is required to power up the SATA power plug in turn.

However, it is to be understood that the invention is not intended to be limited or limited by the scope of the invention, and the invention disclosed herein The skilled artisan includes significant improvements and modifications thereto.

Detailed ways

The invention will now be described more fully hereinafter. However, the invention may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. The present invention is intended to be thorough and complete, and the scope of the invention will be fully conveyed by those skilled in the art.

It will be appreciated that various changes can be made in the function and arrangement of the elements without departing from the spirit and scope of the invention. Thus, embodiments are examples or implementations of the invention, not the only implementation. The appearances of "one embodiment", "an embodiment" or "an embodiment" are not necessarily referring to the same embodiment. Although various features of the invention may be described in the context of a single embodiment, the features may be provided separately or in any suitable combination. Conversely, although the invention may be described herein in the context of a separate embodiment, the invention may be practiced in a single embodiment or any combination of the embodiments.

All terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. It will be further understood that terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with their meaning in the context of the related art and the present disclosure, and will not be construed as idealized or excessive. Formal meaning, unless explicitly defined in this article.

The present invention discloses a power supply for sequentially starting a hard disk, and an embodiment thereof focuses on a NAS. However, embodiments of the invention are not limited to NAS. Any system that includes multiple components requiring high power startup and low power operation can also utilize the technical solutions described below.

Small desktop computers that are smaller in size than standard desktop computers are gaining popularity. Factors contributing to size reduction and ease of use can be attributed to the ability of manufacturers to manufacture various operational components of increasingly smaller sizes while increasing their processing power and/or operating speed. However, this trend of smaller, lighter, and more powerful computers presents a continuing design challenge. For NAS, the standard ATX power supply is too cumbersome - a standard ATX power supply is equivalent to 13 3.5-inch hard drives.

Compared with a standard AW power supply of 300W, the 80W USB power supply does not exceed 5% of the former, and the conversion efficiency is more than 10% higher (80% vs. 90% or more). Therefore, just the right power configuration is the key to reducing equipment size and improving energy efficiency.

The above description is only an embodiment of the invention and is not intended to limit the scope of the invention. Various changes and modifications of the claims and the description of the present invention are still within the scope of the claimed invention. Moreover, each of the embodiments and claims does not necessarily include all of the advantages or features disclosed. In addition, the Abstract and the headings are only used to facilitate the search for patent documents and are not intended to limit the scope of the claimed invention in any way.

Claims

A power supply for sequentially starting a hard disk, characterized in that: when the system is powered on, a plurality of hard disks are sequentially started in sequence. First boot the hard disk of the partition where the operating system is located, and then start other hard disks in turn. If and only if the hard disk is currently started, the disk rotation speed is stable and the reading and writing can be started, power on the next hard disk power socket to be activated. Until all hard drives can start reading and writing.
A power supply for sequentially starting a hard disk, characterized in that: when the system is powered on, a plurality of hard disks are sequentially started in sequence. First boot the hard disk of the partition where the operating system is located, and then start other hard disks in turn. If and only if the hard disk is currently started, the disk rotation speed is stable and the reading and writing can be started, power on the next hard disk power socket to be activated. Until all hard drives can start reading and writing.
The power supply according to claim 2, wherein a fixed time interval is set by a timer, and each of the hard disk power sockets is sequentially powered. The fixed time interval is greater than the slowest boot time of the hard disk in the system.
The power supply of claim 2, each hard drive power outlet or cable comprising a tag to identify a different hard drive.
A power supply for sequentially starting a hard disk, characterized in that: when the system is powered on, a plurality of hard disks are sequentially started in sequence. First boot the hard disk of the partition where the operating system is located, and then start other hard disks in turn. If and only if the hard disk is currently started, the disk rotation speed is stable and the reading and writing can be started, power on the next hard disk power socket to be activated. Until all hard drives can start reading and writing.
The power supply of claim 5, wherein the output power of the hard disk power socket is detected by the circuit, and only after the currently running hard disk power is reduced and stabilized, the next hard disk power socket is powered up until all the hard disks can start reading. write.
The power supply of claim 5, each hard drive power outlet or cable comprising a tag to identify a different hard drive.