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Temp-control heating device for hydraulic bearing hard disk and its hard disk and control method

A technology of liquid dynamic bearing and heating device, which is applied in the direction of temperature control, temperature control, bearing, etc. by electric means, and can solve the problems that the information processing device cannot work, and the liquid dynamic bearing cannot play its characteristics, etc.

Active Publication Date: 2006-09-13
MITAC COMP (SHUN DE) LTD +1
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Problems solved by technology

[0004] However, due to the characteristics of the oil film, it is in a liquid state at room temperature. If the working environment temperature is lower than zero Celsius or even lower, the oil film will change in physical form. When the temperature is as low as its physical state transition temperature, this When the oil film is in a solid form, this will cause the fluid dynamic bearing to fail to exert its characteristics, and even make the information processing device unable to work. Therefore, under harsh environmental conditions (such as outer space or perennial frigid regions), how to ensure information processing The device still works normally, becoming one of the researchers' unsolved problems

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  • Temp-control heating device for hydraulic bearing hard disk and its hard disk and control method
  • Temp-control heating device for hydraulic bearing hard disk and its hard disk and control method
  • Temp-control heating device for hydraulic bearing hard disk and its hard disk and control method

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Embodiment Construction

[0016] Please refer to figure 1 , is a system block flow chart of the present invention. After the information processing device is turned on, the temperature sensing module 10 in the temperature control heating device 100 will sense the temperature value of the fluid dynamic bearing hard disk 150, and when the initial temperature value (that is, the first When the temperature value of the liquid hard disk bearing 150 is sensed once), a corresponding potential signal will be generated, and several feedback temperature values ​​will be continuously sensed, and corresponding potential signals will be generated to the control module 20 .

[0017] Among them, the temperature sensing module 10 can convert the temperature characteristics according to the physical form of the oil film in the fluid dynamic bearing, and generate different potential signals. When the sensing temperature is higher than the physical form conversion temperature, the oil film will appear in a liquid form, an...

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Abstract

A temperature - control heating device of hard disc for liquid bearing can maintain oil diaphragm in liquid bearing to be at liquid state still although hard disc of liquid bearing is under very bad environmental temperature condition for ensuring normal information process operation and for avoiding oil diaphragm liquid - solid state conversion caused by temperature factor.

Description

【Technical field】 [0001] The invention relates to a temperature-controlled heating device and a control method, which are applied to a liquid dynamic bearing hard disk of an information processing device, in particular to a temperature-controlled heating device and a control method of a liquid dynamic bearing hard disk. 【Background technique】 [0002] Hard disk (Hard Disk) plays the role of storing data in information processing devices. Many important data are stored in hard disks. With the increase in data processing speed of information processing devices, the access speed of hard disks is also getting faster and faster. , and in the factors that affect the speed of the hard disk, in addition to the running motor, the other is the bearing. The traditional hard disk bearing uses a ball bearing (Ball Bearing), which is to put several ball bearings on the hard disk shaft and base. Steel balls made of metal, the steel balls are in contact with the center of the bearing, and t...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05D23/19G05D23/24F16C32/00
Inventor 林煌斌
Owner MITAC COMP (SHUN DE) LTD
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