JP2005182857A - Tape storage - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce heat effects to a tape drum in a tape storage and also reduce the size of the storage. <P>SOLUTION: The heat effects from the power supply 3 on the tape drum 4 can be reduced by disposing a vacuum heat insulation material 8 to partition the space between the heat generating power supply 3 and the tape drum 4. Especially, when there is a printed circuit board 2 between the power supply 3 and the tape drum 4, the heat effects can be prevented more effectively by disposing the vacuum heat insulation material 8 between the printed circuit board 2 and the tape drum 4, and between the power supply 3 and the printed circuit board 2. In this manner, the tape drum 4 is prevented from degrading by heat, improving its reliability. Since the vacuum heat insulation material 8 is superior in heat insulation and heat can be insulated by using a thin and small space, the tape storage can be miniaturized. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a tape storage having a vacuum heat insulating material for protecting a tape drum and a printed board from heat generated from a heat source such as a power source.

  In recent years, optical recording media such as CDs and DVDs have advanced in the backup of electronic data, but conventional magnetic tapes are suitable for backing up larger volumes of data. Excellent in terms. A recording device using the magnetic tape is called tape storage.

  Tape storage is packed with many parts such as a power supply, tape drum for recording and reading on a tape, and a printed circuit board. However, measures are taken so as not to adversely affect heat-sensitive components. In particular, magnetic tape and tape drums are vulnerable to heat.

  Therefore, there is a method of reducing heat by providing a space to reduce heat from the power supply to the tape drum, sandwiching a plastic plate, or blowing air with a fan (see Patent Document 1).

  The conventional tape storage will be described below with reference to the drawings.

  FIG. 3 is a cross-sectional view of a conventional tape storage. In FIG. 3, the tape storage 1 includes a printed circuit board 2, a power source 3, a tape drum 4, a plastic plate 5, and a fan 6 inside a box 7.

  The operation of the tape storage 1 configured as described above will be described below.

When the tape storage 1 is operated, heat is generated in the power supply 3. However, the space provided between the power supply 3 and the tape drum 4 and the plastic plate 5 can reduce the influence of heat from the power supply 3 to the tape drum 4. Further, since the heat of the power source 3 can be discharged to the outside by turning the fan 6, the influence of heat on the tape drum 4 can be reduced.
JP 2002-230870 A

  However, in the above configuration, since a space is provided between the power supply and the tape drum and is shielded by a plate such as plastic, it is necessary to take a large space to reduce the thermal effect, and the main body can be downsized. There was a difficult problem.

  The present invention solves the conventional problems, and by disposing a highly heat-insulating vacuum heat insulating material between the tape drum and the power source, the influence of the heat of the power source on the tape drum is greatly reduced in a small space, An object of the present invention is to provide a tape storage with improved tape drum reliability.

  In order to solve the conventional problem, the tape storage according to the present invention includes a printed board, a power source, and a tape drum inside the box, and protects the tape drum from high temperatures caused by the printed board and the power source. The vacuum heat insulating material is disposed.

  As a result, the thermal influence on the tape drum from the power source as a heating element can be greatly reduced, deterioration due to heat can be suppressed, and the reliability of the tape drum can be improved. Moreover, even if the vacuum heat insulating material is thin, the heat insulating performance is high. Therefore, heat insulation can be performed if there is a small space, and the tape storage can be downsized.

  The tape storage of the present invention can improve the reliability of the tape drum while reducing the size by effectively disposing the vacuum heat insulating material having high heat insulation performance for protecting the tape drum.

  According to the first aspect of the present invention, a printed circuit board, a power source, and a tape drum are provided inside a box, and a vacuum heat insulating material for protecting the tape drum from a high temperature is used. If vacuum insulation is arranged to protect the tape drum from the high temperature of heating elements such as power supplies, the heat insulation of the vacuum insulation is high, so the influence of heat on the tape drum can be greatly reduced, suppressing deterioration due to heat, The reliability of the tape drum can be improved. Even if the vacuum heat insulating material is thin, it has high heat insulating ability and can be insulated if there is a small space, and the tape storage can be downsized.

  Further, since the thermal load applied to the tape drum is reduced, the fan capacity can be reduced, and the fan can be reduced in size and eliminated. Thereby, cost reduction and tape storage miniaturization can be achieved.

  Furthermore, since the vacuum heat insulating material has a shielding effect against a magnetic field having a frequency of 1 MHz or more, data recorded on the magnetic tape can be prevented from being damaged by a magnetic field generated around the tape storage or from peripheral components.

  The invention according to claim 2 of the present invention is the invention according to claim 1, wherein a vacuum heat insulating material is arranged so as to partition a space between a power source as a heating element and a tape drum as a heat-sensitive component. is there. By partitioning with vacuum heat insulating material, convection heat and radiant heat of air can be prevented, the influence of heat from the power supply to the tape drum can be effectively reduced, and deterioration due to heat of the tape drum is suppressed and reliable. Improves. In addition, the vacuum heat insulating material is thin, and a high heat insulating effect can be obtained even in a small space, and the tape storage can be downsized.

  The invention according to claim 3 of the present invention is the invention according to claim 1 or 2, wherein a vacuum heat insulating material is disposed between the power source and the box. Since the vacuum heat insulating material has high heat insulating performance, a heat insulating effect can be obtained even in a small space between the box and the power source, and the temperature rise of the box can be suppressed. Thereby, adverse effects on surrounding devices can be suppressed.

  The invention according to claim 4 of the present invention is the invention according to any one of claims 1 to 3, wherein a vacuum heat insulating material is arranged so as to partition between the power source and the printed circuit board. . The influence of heat on the printed circuit board can be greatly reduced, deterioration of the printed circuit board and components installed on the printed circuit board due to heat can be suppressed, and reliability is improved. Moreover, the heat which spreads along a printed circuit board can be reduced, and it can suppress that a printed circuit board becomes a secondary heat source.

  According to a fifth aspect of the present invention, in the first aspect of the present invention, a part of the air passage for cooling the power source is formed of a vacuum heat insulating material. Thereby, the spreading | diffusion of the heat to directions other than the direction which wants to radiate can be suppressed, and a heat | fever can be thermally radiated efficiently by exhausting locally by ventilation of a fan. Thereby, it is possible to suppress deterioration of surrounding components due to heat, and reliability is improved. Furthermore, the capacity of the fan can be reduced, and the fan can be reduced in size. As a result, the cost can be reduced and the tape storage can be downsized. Moreover, since the vacuum heat insulating material is thin, it can be insulated if there is a small space, and the tape storage can be miniaturized.

  The invention according to claim 6 of the present invention is the invention according to any one of claims 1 to 5, wherein silica is the main component as the core material. Silica has heat resistance, and can provide a high-performance vacuum heat insulating material having excellent heat insulating performance and long-term reliability, particularly when used at high temperatures, and can maintain the reliability of tape storage for a long time.

  Hereinafter, embodiments of a tape storage according to the present invention will be described with reference to the drawings. In addition, about the same structure as the past, the same code | symbol is attached | subjected and detailed description is abbreviate | omitted.

(Embodiment 1)
FIG. 1 is a perspective perspective view of a tape storage according to Embodiment 1 of the present invention. FIG. 2 is a cross-sectional view of the vacuum heat insulating material shown in FIG.

  1 and 2, the tape storage 6 has a printed circuit board 2 disposed substantially at the center inside the box 7 and a power source 3 at the rear. A tape drum 4 is provided between the magnetic tape 9 loaded in the front part and the printed board 2, a fan 6 is provided on the side surface of the box 7 near the power source, and an air inlet 10 is provided on the opposite side. A vacuum heat insulating material 8 a is disposed between the tape drum 4, a vacuum heat insulating material 8 b is disposed between the printed circuit board 2 and the power source 3, and a vacuum heat insulating material 8 c is disposed between the power source 3 and the box 7. The The tape drum 4 rotates at a high speed, and records and reads data on a magnetic tape drawn from the cartridge.

  The vacuum heat insulating material 8 a is arranged so as to partition the space between the tape drum 4 and the power source 3, thereby blocking air that has been heated by the heat generated by the power source 3 and radiant heat. In the first embodiment, the influence of heat generation of the printed circuit board 2 can also be prevented.

  The vacuum heat insulating material 8b is arranged so as to partition the space between the printed circuit board 2 and the power source 3, so that the heat generated by the power source 3 does not affect the printed circuit board 2, and the vacuum heat insulating material 8c and the box 7 are used as a power source. The air path for exhausting the heat of 2 is formed. The fan 6 efficiently cools the power supply 3 through the air passage and exhausts the outside air drawn from the air inlet 10. By providing the gap 10p in the vacuum heat insulating material 8b, the heat of the printed circuit board 2 can be induced and exhausted.

  The vacuum heat insulating material 8c is disposed inside the box 7 to suppress the temperature rise of the box.

  The vacuum heat insulating materials 8a, 8b, and 8c are obtained by covering a core material 12 that is a porous body with an outer packaging material 11 made of a laminate film, and sealing the interior by vacuuming. Considering the arrangement in a narrow space, the thickness is preferably 0.2 mm or more and 4.0 mm or less. Even if the vacuum heat insulating material 8 is 0.2 mm or more and 4.0 mm or less, sufficient heat insulating performance can be obtained, the space necessary for heat insulation is small, and the tape storage 6 can be applied without downsizing or changing specifications. .

  Further, the core material 10 is preferably composed mainly of silica because of excellent heat resistance. In particular, it becomes a high-performance vacuum heat insulating material having excellent heat insulating performance and long-term reliability at a high temperature around 80 ° C. By adding an appropriate amount of carbon black to this, it is possible to provide a vacuum heat insulating material that is further excellent in heat insulating performance especially at high temperatures. This is because the agglomerated particles of the silica powder are crushed and refined, the pore diameter is reduced, and both the solid thermal conductivity and the gas thermal conductivity are reduced. Further, if an appropriate amount of inorganic fiber such as glass wool is added, the fiber acts as an aggregate and becomes excellent in molding, so that handleability and powdering can be improved.

  Further, the core material 10 may contain a binder component. Thereby, bending, bending, and dusting of the vacuum heat insulating material can be suppressed or prevented, and the handleability is further improved.

  In this example, tape storage was described.

  As described above, the tape storage according to the present invention uses a vacuum heat insulating material to protect a magnetic recording device called a tape drum, which is vulnerable to heat, and a recording medium called a magnetic tape, while protecting the recording medium from a heat effect of a heating element such as a power source. Similarly, with respect to a hard disk (HDD) and optical recording storage that similarly performs magnetic recording, the tape drum 4 is replaced with a magnetic or optical head, and the tape is simply replaced with a disk. The same effect can be obtained by using the material 8.

The perspective perspective view of the tape storage by Embodiment 1 of this invention Sectional drawing of the vacuum heat insulating material by Embodiment 1 of this invention Perspective view of conventional tape storage

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Tape storage 2 Printed circuit board 3 Power supply 4 Tape drum 6 Fan 7 Box 8a, 8b, 8c Vacuum heat insulating material

Claims (6)

A tape storage comprising a printed circuit board, a power source, and a tape drum inside the box, and having a vacuum heat insulating material for protecting the tape drum from high temperatures caused by the printed circuit board and the power source. 2. The tape storage according to claim 1, wherein a vacuum heat insulating material is arranged so as to partition the space between the tape drum and the power source. 3. The tape storage according to claim 1, wherein a vacuum heat insulating material is disposed between the power source and the box of the tape storage. The tape storage according to any one of claims 1 to 3, wherein a vacuum heat insulating material is disposed so as to partition the power source and the printed circuit board. The tape storage according to any one of claims 1 to 4, further comprising a fan for cooling the power source, wherein a part of an air passage for blowing air from the fan is formed of a vacuum heat insulating material. The tape storage according to any one of claims 1 to 5, wherein the core material of the vacuum heat insulating material contains at least silica as a main component.

Images