JP4108431B2 - Protective cover for electronic equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a protective cover for an electronic device used for an individual electronic device in a manufacturing process.
[0002]
[Prior art]
In the manufacturing process of an electronic device, it is often assembled through processes such as an assembly process, a cold / thermal aging process, and an inspection process. In these processes, there are many opportunities for scratches due to the assembly state of the electronic device and the movement of the electronic device. In particular, the front panel of an electronic device is easily scratched and is required to improve its quality. Various measures have conventionally been taken to prevent these scratches. An example of the countermeasure will be described below with reference to FIG.
[0003]
7A and 7B are schematic views showing a conventional measure for preventing damage of electronic equipment, and FIG. 7A is a front view and FIG. 7B is a side view.
[0004]
Reference numeral 90 denotes an electronic device in which, for example, a liquid crystal display unit (monitor unit) 91 is incorporated. A wide ring rubber band 15 is used as a measure for preventing damage to the front panel unit (constituted by a front panel, a liquid crystal display unit, a front substrate unit, etc.) 92 of the electronic device 90. The circumferential length of the ring rubber band 95 is slightly shorter than the circumferential length of the front panel unit 92, and the width is a width that sufficiently surrounds the side surface of the front panel unit 92. The ring rubber band 95 is provided around the outer periphery of the front panel unit 92 while slightly extending the circumference.
[0005]
Prior art documents related to the invention of this application include the following.
[0006]
[Patent Document 1]
Japanese Patent Laid-Open No. 9-131821
[Problems to be solved by the invention]
However, in the above-described measures for preventing damage to the electronic device 90, the ring rubber band 95 is provided around the outer peripheral portion of the front panel unit 92 of the electronic device 90. However, since the front portion is not protected, the operation button 93 is provided. In some cases, the front portion including the knob 94 may be scratched, resulting in a deterioration in quality. In addition, the parts need to be replaced depending on the size of the flaws, resulting in a part cost and replacement man-hours, leading to high costs.
[0008]
Further, the ring rubber band 95 is contaminated on the surface by repeated use, and the adhered dirt adheres to the front panel unit 92.
[0009]
In addition, although it is possible to apply what corresponds to the above-mentioned prior art document 1 as a cover in the manufacturing process of the electronic device 90, a cover deform | transforms by the extreme temperature change at the time of a cold / thermal aging process, etc. As a result, the function of the cover is lost, and there are many opportunities for the electronic device 90 to be damaged during the manufacturing process.
[0010]
SUMMARY OF THE INVENTION An object of the present invention is to solve the above-described problems, and to provide a protective cover for an electronic device that can prevent the electronic device from being damaged in the manufacturing process of the electronic device and can prevent damage to the electronic component due to static electricity. To do.
[0011]
[Means for Solving the Problems]
The present invention achieves the above-described object, and in the protective cover for protecting individual electronic devices in the manufacturing process of the electronic device, the protective cover is made of a resin sheet of an olefin polymer compound having no foamability. The protective cover is formed so as to protect the electronic device in the manufacturing process of the electronic device, and the protective cover can operate the operation unit of the electronic device while being in contact with the liquid crystal display unit of the electronic device. A hole is provided.
[0012]
The protective cover is formed so as to have a color of the electronic device.
[0015]
The protective cover is colored so that at least the vicinity including the operation hole is the color of the electronic device.
[0016]
Further, a symbol indicating an operation procedure is provided in the vicinity of the operation hole.
[0017]
Further, the protective cover is provided with a visual recognition hole through which a symbol for manufacturing process management can be visually recognized.
[0018]
The protective cover is characterized in that a portion corresponding to the operation portion of the electronic device is formed thin.
[0022]
DETAILED DESCRIPTION OF THE INVENTION
A first embodiment of the present invention will be described with reference to FIG. 1, FIG. 2, and FIG.
[0023]
1A and 1B are schematic views showing a protective cover of an electronic device according to a first embodiment of the present invention, where FIG. 1A is a front view, and FIG. 2A and 2B are schematic views showing a state where the protective cover of the electronic device according to the first embodiment of the present invention is fitted, in which FIG. 2A is a front view, and FIG. 3A and 3B are schematic views showing a protective cover for an electronic device that is partially different from the protective cover for the electronic device according to the first embodiment of the present invention. FIG. 3A is a front view, and FIG. is there.
[0024]
Reference numeral 20 denotes a protective cover, for example, 15 parts of a front panel unit (consisting of a front panel, a liquid crystal display unit, a front substrate unit, etc.) of the electronic device 10 in which the liquid crystal display part (monitor part) 11 of the navigation apparatus is incorporated. It is used by being fitted to the front panel (about to be held in a lightly pressed state). As shown in FIG. 1, the protective cover 20 has the shape of the front panel unit 15 (substantially the front panel shape), and operates the holes 21 and the operation buttons 12 that are formed to be approximately the same size as the liquid crystal display unit 11. There are provided an operation hole 22 for the operation, an operation hole 23 of the knob 13, a visual recognition hole 24 for a manufacturing process management symbol (for example, a seal 14 with a model symbol or the like), and the like. Further, the wall 25 is formed along the outer peripheral wall of the liquid crystal display unit 11 so as to contact the surface of the liquid crystal display unit 11.
[0025]
The protective cover 20 is formed to have a size slightly smaller than the size of the front panel so as to be fixed in a state of being fitted to the front panel of the front panel unit 15.
[0026]
The material of the protective cover 20 is a foamed resin sheet of an olefin-based polymer compound (polyolefin) having an antistatic agent added and having a permanent antistatic function (10 to the 10th power to 11th power), and vacuum forming or It is formed by pressure forming. In addition, since the protective cover 20 uses a foaming resin sheet, light diffusely reflects on the air contained in the protective cover 20 and turns white.
[0027]
The protective cover 20 is used from the first assembly process of the front panel unit 15 of the electronic device 10, and is used consistently from the cold / thermal aging process and the inspection process to the final shipping inspection process.
[0028]
As described above, according to the protective cover 20 of the electronic device 10 according to the first embodiment of the present invention, since all the parts other than the operation part of the front panel unit 15 are protected, scratches are caused by handling or the like. It is possible to prevent the occurrence of rattling.
[0029]
Further, since the protective cover 20 has an antistatic function due to the addition of an antistatic agent, it is difficult for dust to adhere to the surface and the surface is difficult to get dirty. Can do.
[0030]
In addition, since static electricity is eliminated, damage to electronic components due to static electricity can be prevented.
[0031]
In addition, the protective cover 20 uses a resin sheet of an olefin polymer compound and can withstand a temperature of -10 degrees C to +80 degrees C. Therefore, the electronic cover 10 can be deformed even in the cold / hot aging process. There are few, and it can be used, without removing in the state fitted from the beginning of a manufacturing process to the last process reliably. Thereby, it can prevent that the protective cover 20 remove | deviates from the electronic device 10 by deformation | transformation of the protective cover 20, and the opportunity of the damage | wound which generate | occur | produces during a manufacturing process can be reduced significantly. The protective cover 20 is formed so as to lightly hold an electronic device and can be easily attached and detached, so that it can be used repeatedly.
[0032]
Further, since the protective cover 20 is white, the protected portion of the electronic device 10 cannot be visually recognized from the outside, but since the visual recognition hole 24 is provided, the presence / absence of a seal indicating a model symbol for manufacturing process management (forgetting to attach) ) And model confirmation becomes easy.
[0033]
Moreover, since the foaming resin member is used for the protective cover 20 and it has moderate buffering property, the electronic device 10 (front panel unit 15) can be protected from an impact and a vibration.
[0034]
Further, since the protective cover 20 is formed by vacuum forming or pressure forming, the cost of the mold and the cost of molding equipment are reduced, which is advantageous in terms of cost.
[0035]
In the first embodiment of the present invention, the protective cover 20 is provided with the holes 21 having substantially the same size as that of the liquid crystal display unit 11. However, the present invention is not limited to this, and a liquid crystal display like the protective cover 27 shown in FIG. Without providing the hole 21 having the same size as the portion 11, the operation hole 28 is provided only in a place necessary for the operation, and a symbol indicating the operation procedure in the vicinity of the operation hole 28 (indicated in this example by a number), or By connecting the operation hole 28 and the operation hole 28 with a line along the operation procedure, an error in the operation order can be eliminated. In addition, since the hole portion of the protective cover 20 is reduced, the exposed portion of the front panel unit 15 is reduced and the effect of preventing scratches is improved.
[0036]
In addition, in order to make the display content of the front panel unit 15 easier to see from the operation hole 22 of the protective cover 20 (if it is extremely different from the color of the electronic device, it may be reflected and difficult to see depending on the direction of the light beam) In addition, the vicinity including the operation hole 22 is colored with a color close to the color of the electronic device 10 to be protected (for example, spray coloring that can be relatively easily performed), and thus, the display is further easily seen.
[0037]
In addition, by using a resin member of an olefin-based polymer compound to which a coloring member that has a color close to the color of the electronic device to be protected is used as the member of the protective cover, the above-described coloring is unnecessary and the member is colored. It becomes easier to see than time.
[0038]
Next, a second embodiment of the present invention will be described with reference to FIG.
[0039]
FIG. 4 is a schematic view showing a protective cover of an electronic device according to the second embodiment of the present invention, and is (a) a front view and (b) a DD cross-sectional view. In the second embodiment, a part of the first embodiment is changed, and the others are substantially the same as the first embodiment. Therefore, the same components are denoted by the same reference numerals and described. Is omitted.
[0040]
A protective cover 30 has the shape of the front panel unit 15 (substantially the shape of the front panel) as shown in FIG. 4, and the wall portion 31 extends along the outer peripheral wall of the liquid crystal display portion 11. It is formed so that it may contact. 4 of the operation part 32 of substantially the same size as the liquid crystal display part 11, the operation part 33 for operating the operation button 12, and the visual recognition part 34 of a symbol for manufacturing process management (for example, a seal 14 with a model symbol or the like). The plate | board thickness of the location is formed thinly. In addition, an operation hole 35 of the knob 13 is provided.
[0041]
The protective cover 30 is slightly smaller than the size of the front panel so that the protective cover 30 is fixed to the front panel unit 15 in a state where the protective cover 30 is fitted to the front panel of the front panel unit 15 (to the extent that the protective cover 30 is lightly pushed in). Is formed. As the material of the protective cover 30, a resin sheet of an olefin-based polymer compound (polyolefin) having a permanent antistatic function (10 10th to 11th power ohms) is used, and is formed by vacuum molding or pressure molding.
[0042]
The polyolefin member is originally a color that is nearly transparent, and since the second embodiment is not foamed as in the first embodiment, the protective cover 30 is almost transparent.
[0043]
As described above, according to the protective cover 30 of the electronic device 10 according to the second embodiment of the present invention, the protective cover 30 is formed in a nearly transparent state by molding using a resin sheet having no foam, By forming the thickness of the part covering the operation part of the electronic device 10 thin, the front part of the electronic device 10 can be confirmed through the protective cover 30 without providing a hole in the operation part. Can be operated from. Therefore, the exposed portion of the front panel unit 15 is almost eliminated, and the scratch prevention effect is further improved. Further, by forming a thin plate thickness, the operation can be performed in the same manner as when an operation hole is provided.
[0044]
In the present embodiment, the protective cover is configured so as to hold the electronic device. However, the present invention is not limited to this, and the cover may be attached so as to protect only a predetermined part (for example, a display unit) of the electronic device.
[0045]
Next, a third embodiment of the present invention will be described with reference to FIG.
[0046]
FIG. 5 is a schematic view showing a protective cover of an electronic device incorporated in an electronic device assembly jig according to a third embodiment of the present invention, where (a) a front view and (b) an EE cross-sectional view are shown. It is. In the third embodiment, the same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted.
[0047]
Reference numeral 40 denotes an assembly jig for the electronic device 10, which is composed of a jig body 42 and a protective cover 50 for the electronic device 10. The assembling jig 40 is used alone, in combination with an assembling robot, or a positioning function (for example, a positioning hole) is provided in the assembling jig 40 and a large number of units are put into the assembling line. The automatic assembly can be performed by positioning with a positioning pin provided at a predetermined position of the assembly line. In this case, the assembly jig 40 is used by circulating in the assembly line.
[0048]
As shown in FIG. 5, the jig main body 42 has a plate shape, and a concave portion 44 having the shape of the protective cover 50 is formed at the center portion. The protective cover 50 is fitted to the outer peripheral edge portion of the concave portion 44. A square annular fitting convex portion (fixing means) 43 is formed. Further, a relief hole 46 and the like are formed in the bottom 45 of the recess 44 at a position corresponding to the operation button 12 and the knob 13. As the material of the jig body 42, for example, aluminum is used.
[0049]
As shown in FIG. 5, the protective cover 50 has the shape of a front panel of the front panel unit 15 (dish shape), and the operation buttons 12 and the escape holes 51 and 52 of the knob 13 are formed at the bottom. . A fitting recess 53 that fits into the fitting protrusion 43 of the jig body 42 is formed on the outer peripheral edge of the opening of the protective cover 50. As a material of the protective cover 50, an expandable resin sheet of an olefin polymer compound (polyolefin) having a permanent antistatic function (10 10th to 11th power ohms) is used, and formed by vacuum molding or pressure molding. .
[0050]
As described above, according to the assembling jig 40 of the electronic device 10 according to the third embodiment of the present invention, the jig main body 42 and the receiving surface of the front panel of the front panel unit 15 of the electronic device 10 Since the protective cover 50 serving as the contact surface is removable, it can be used as necessary or periodically replaced. Therefore, the assembling work can always be performed with the receiving surface of the front panel in a normal state.
[0051]
Further, since the protective cover 50 has a function of preventing static electricity from being charged, it is difficult for dust to adhere to the surface and the surface is less likely to become dirty, so that the problem of soiling the contact surface of the front panel can be prevented.
[0052]
In addition, since static electricity is eliminated, damage to electronic components due to static electricity can be prevented.
[0053]
Next, a fourth embodiment of the present invention will be described with reference to FIG.
[0054]
6A and 6B are schematic views showing a protective cover for an electronic device incorporated in a transport tray for an electronic device according to a fourth embodiment of the present invention. FIG. 6A is a front view, and FIG. is there. Note that the same reference numerals in the fourth embodiment denote the same parts as in the first embodiment, and a description thereof will be omitted.
[0055]
Reference numeral 60 denotes a transport tray for the electronic device 10, which includes a tray 62 and a protective cover 70 for the electronic device 10. The transport tray 60 is used, for example, for transport or storage in the manufacturing process of the front panel unit 15 of the electronic device 10. The transport tray is usually configured to accommodate a plurality of electronic devices 10.
[0056]
As shown in FIG. 6, the tray 62 is a container in which the protective cover 70 of the electronic device 10 is installed, and is formed by resin molding using a resin member.
[0057]
The protective cover 70 is a holding member of the electronic device 10 that is used inside the tray 62, and as shown in FIG. 6, a mounting portion 71 having a shape substantially close to the front panel of the front panel unit 15 of the electronic device 10 is formed. The support portion 72 projects from the bottom so as to surround the outer periphery of the placement portion 71. The support 72 serves as a connecting portion when a plurality of placement portions 71 are connected. Relief holes 73 and 74 are formed in the mounting portion 71 so that the operation button 12, the knob 13, and the like protruding from the front panel do not directly contact the mounting portion 71. The protective cover 70 is formed by connecting a plurality of placement portions 71 so that a plurality of electronic devices 10 can be accommodated. As a material of the protective cover 70, an expandable resin sheet of an olefin-based polymer compound (polyolefin) having a permanent antistatic function (10 10th to 11th power ohms) is used, and is formed by vacuum forming or pressure forming. .
[0058]
As described above, according to the transport tray 60 of the electronic device 10 according to the fourth embodiment of the present invention, the transport tray 60 includes the tray 62 and the protective cover 70, and the shape of the mounting portion 71 of the protective cover 70. By replacing the protective cover with a different one, it can be used as a transport tray for other electronic devices, so that the transport tray 60 can be used effectively.
[0059]
Moreover, since the protective cover 70 is provided with countermeasures against static electricity, the electronic components included in the electronic device 10 can be protected from static electricity. In addition, since the adhesion of dust is reduced, the electronic device 10 can be protected from dust.
[0060]
In the description of this example, the transport tray 60 is used in the manufacturing process. However, the present invention is not limited to this, and the same configuration as that of this example can be applied to a part of the shipping packaging member.
[0061]
【The invention's effect】
As described above, according to the present invention, it is difficult for the electronic device to be damaged during the manufacturing process of the electronic device, the electronic component can be prevented from being damaged by static electricity, and the protective cover for the electronic device having high impact resistance is provided. Can be provided.
[Brief description of the drawings]
FIG. 1 is a schematic view showing a protective cover of an electronic device according to a first embodiment of the invention.
FIG. 2 is a schematic view showing a fitted state of a protective cover of the electronic device according to the first embodiment of the invention.
FIG. 3 is a schematic view showing a protective cover for an electronic device that is partially different from the protective cover for the electronic device according to the first embodiment of the invention.
FIG. 4 is a schematic view showing a protective cover of an electronic device according to a second embodiment of the present invention.
FIG. 5 is a schematic view showing a protective cover for an electronic device assembled in an electronic device assembling jig according to a third embodiment of the present invention.
FIG. 6 is a schematic view showing a protective cover for an electronic device incorporated in a transport tray for an electronic device according to a fourth embodiment of the present invention.
FIG. 7 is a schematic view showing a conventional measure for preventing damage to electronic equipment.
[Explanation of symbols]
10. Electronic device 11 Liquid crystal display unit 12 Operation button 13 Knob 14 Seal 15 Front panel unit 20, 27, 30, 35 Protective cover 21 Holes 22, 23, 28 ..Operation hole 24..Viewing holes 25, 31..Wall portions 32, 33..Operation portion 34..Viewing portion 40..Jig for assembly 42..Jig body 43..Fitting projection 44. · Recess 45 · · Bottom 46, 51, 52, 73, 74 · · · Relief hole 50, 70 · · Protection cover 53 · · Fitting recess 60 · · Transport tray 62 · · Tray 71 · · Placement portion 72 ·・ Branch

Claims (7)

In the protective cover that protects individual electronic devices in the manufacturing process of electronic devices,
  For the protective cover, a resin sheet of a non-foaming olefin polymer compound is used, and the protective cover is formed to protect the electronic device in the manufacturing process of the electronic device,
The protective cover for an electronic device, wherein the protective cover is provided with an operation hole through which an operation unit of the electronic device can be operated in contact with a liquid crystal display unit of the electronic device.   The said protective cover is formed so that it may become a color of the said electronic device, The protective cover of the electronic device of Claim 1 characterized by the above-mentioned. 2. The protective cover for an electronic device according to claim 1, wherein the protective cover is colored so that at least the vicinity including the operation hole is the color of the electronic device.   The electronic apparatus protective cover according to claim 1, wherein a symbol indicating an operation procedure is provided in the vicinity of the operation hole.   The protective cover for an electronic device according to claim 1, wherein the protective cover is provided with a visual recognition hole through which a manufacturing process management symbol can be visually recognized. 2. The protective cover for an electronic device according to claim 1, wherein the protective cover is formed such that a portion corresponding to the operation unit of the electronic device is thin .   The electronic device protective cover according to claim 1, wherein a resin sheet having an antistatic function is used for the protective cover, and the protective cover is formed by vacuum forming or pressure forming.

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