JP7614628B2 - Battery protection cover for electric equipment - Google Patents

Description

The present invention relates to a battery protective cover for electrically powered devices that protects the battery from the sun's radiant heat.

Traditionally, batteries for electric devices have been widely used in electric devices used indoors, such as electric tools. However, in recent years, from the standpoint of environmental issues and convenience, batteries for electric devices have also come to be widely used in electric devices used outdoors, such as agricultural electric devices, forestry electric devices, and gardening electric devices. When such electric devices are used outdoors, the batteries for the electric devices are also exposed to the strong radiant heat of the sun. This has caused a problem in that the batteries for the electric devices are rapidly heated by the radiant heat of the sun, and the usable time becomes extremely short. In response to this problem, for example, a cooling device such as that shown in Patent Document 1 can be used. With this cooling device, if the battery for the electric device falls into an overheated state, the cooling device removes the heat from the battery for the electric device, so it is thought that the overheated state of the battery for the electric device can be easily and reliably eliminated.

Publication No. 3213632

However, with the cooling device of Patent Document 1, if the battery for the electric device overheats, the use of the electric device must be stopped and the heat must be removed from the battery in a place not exposed to direct sunlight, which is extremely inconvenient as it prevents the electric device from being used continuously. Furthermore, even if the electric device is used again after the heat from the battery for the electric device has been removed with this cooling device, the battery for the electric device will be heated rapidly due to the strong radiant heat from the sun, making it impossible to use the electric device within a short period of time.

The present invention was made in consideration of these conventional problems, and aims to provide a protective cover for a battery for an electric device that prevents the battery from being heated by the sun's radiant heat, allowing the electric device to be used continuously for long periods of time.

In order to solve the above problems, the features of the battery protective cover for electric equipment according to claim 1 are that it is an electric equipment battery protective cover that covers an electric equipment battery to protect the electric equipment battery from the radiant heat of the sun, and has a reflective material that reflects sunlight and a base material to which the reflective material is in close contact, the base material has an attachment member, the base material is attached to the electric equipment battery by the attachment member, the base material is bag-shaped, and the attachment member is rubber or string .

The characteristic of the protective cover for a battery for electric equipment according to claim 2 is that it is an electric equipment battery protective cover that covers a battery for electric equipment to protect the battery for electric equipment from the radiant heat of the sun, and has a reflective material that reflects sunlight and a base material to which the reflective material is in close contact, the base material has an attachment member, the base material is attached to the battery for electric equipment by the attachment member, the base material is sheet-shaped, and the attachment member is an adhesive sticker or a hook-and-loop fastener .

The battery protection cover for electrically-driven equipment according to the third aspect of the present invention is characterized in that the solar reflectance of the reflective material is 70% or more .

The characteristic of the protective cover for a battery for electric equipment according to claim 4 is that it is an electric equipment battery protective cover that covers a battery for electric equipment to protect the battery for electric equipment from the radiant heat of the sun, and has a reflective material that reflects sunlight and a base material to which the reflective material is in close contact, and when the base material is attached to the battery for electric equipment, a storage space is provided between the base material and the battery for electric equipment in which an endothermic material that absorbs heat from the battery for electric equipment is stored .

The battery protection cover for electrically-driven equipment according to claim 5 is characterized in that the solar reflectance of the reflective material is 70% or more .

The protective cover for a battery for an electric device according to claim 6 is characterized in that the base material is box-shaped, the battery for an electric device is fitted into the base material, and the base material is attached to the battery for an electric device .

The protective cover for a battery for electric equipment according to a seventh aspect of the present invention is characterized in that the base material has an attachment member, and the base material is attached to the battery for electric equipment by the attachment member .

The battery protection cover for electric equipment according to claim 8 is characterized in that the reflector material is aluminum or an aluminum alloy.

The battery protective cover for electric equipment according to claim 1 has a reflective material that reflects sunlight and a base material to which the reflective material is attached, so that the battery for electric equipment can be protected from radiant heat by reflecting sunlight and a sudden increase in temperature can be suppressed. Therefore, with this battery protective cover for electric equipment, heating of the battery for electric equipment due to radiant heat from the sun is suppressed, and the electric equipment can be used continuously for a long period of time.
Furthermore, since the base material is attached to the battery for an electrically-powered device by the mounting member, the battery for an electrically-powered device can be attached to the base material reliably and stably.
In addition, since the base material is bag-shaped and the mounting member is rubber or string, the battery for the electric device can be easily covered.
The battery protective cover for electrically-driven equipment according to claim 2 has a reflective material that reflects sunlight and a base material to which the reflective material is in close contact, so that the battery for electrically-driven equipment can be protected from radiant heat by reflecting sunlight and a sudden increase in temperature can be suppressed. Therefore, with this battery protective cover for electrically-driven equipment, heating of the battery for electrically-driven equipment due to radiant heat from the sun is suppressed, allowing the electrically-driven equipment to be used continuously for a long period of time.
Furthermore, since the base material is attached to the battery for an electrically-powered device by the mounting member, the battery for an electrically-powered device can be attached to the base material reliably and stably.
In addition, since the base material is in a sheet form, multiple battery protection covers for electric devices can be stacked together to reduce the volume, making storage easy. In addition, since the attachment member is an adhesive sticker or a hook-and-loop fastener, the base material can be easily attached to the battery for electric devices.

In the protective cover for an electrically-driven device battery according to the third aspect, the solar reflectance of the reflective material is 70% or more, so that the solar light is sufficiently reflected to protect the battery for the electrically-driven device from the radiant heat of the sun.

The battery protective cover for electrically-driven equipment according to claim 4 has a reflective material that reflects sunlight and a base material to which the reflective material is in close contact, so that the battery for electrically-driven equipment can be protected from radiant heat by reflecting sunlight and a sudden increase in temperature can be suppressed. Therefore, with this battery protective cover for electrically-driven equipment, heating of the battery for electrically-driven equipment due to radiant heat from the sun is suppressed, and the electrically-driven equipment can be used continuously for a long period of time.
Furthermore, when the base material is attached to the battery for electric equipment with the mounting member, a storage space is provided between the base material and the battery for electric equipment in which a heat absorbing material that absorbs heat from the battery for electric equipment is stored. Therefore, the reflective material reflects sunlight, and the heat absorbing material can absorb heat generated by the battery for electric equipment itself.
In the protective cover for a battery for electric equipment according to the fifth aspect, the solar reflectance of the reflective material is 70% or more, so that the solar light is sufficiently reflected to protect the battery for electric equipment from the radiant heat of the sun.
In addition, in the battery protection cover for electric equipment of claim 6, the base material is box-shaped, and the battery for the electric equipment is attached to the base material by inserting the battery for the electric equipment into the base material, so that the battery protection cover for electric equipment has a simple structure and can be manufactured inexpensively .

In the protective cover for an electric device battery according to the seventh aspect, the base material is attached to the battery for an electric device by the attachment member, so that the battery for an electric device is attached to the base material reliably and stably.

In the battery protection cover for electric equipment according to claim 8, the reflective material is aluminum or an aluminum alloy, making it inexpensive and easy to process.

1 is a perspective view of a brush cutter using a battery protection cover for an electric device according to a first embodiment of the present invention; 1 is a cross-sectional view of a battery protection cover for electrically-powered equipment according to the first, second, and third embodiments. FIG. 1 is a perspective view of a battery protection cover for an electrically-powered device according to a first embodiment, showing a state before the box-shaped battery protection cover is placed on a battery; 1 is a perspective view of the battery protection cover for an electrically-powered device according to the first embodiment, showing the box-shaped battery protection cover placed over the battery; FIG. FIG. 11 is a perspective view of a bag-shaped battery protection cover according to a second embodiment of the present invention; FIG. 11 is a perspective view of a one-piece, sheet-like battery protection cover for an electrically-powered device according to a third embodiment, the attachment member being an adhesive seal; FIG. 11 is a perspective view of a split-type, sheet-like battery protection cover according to a third embodiment of the present invention, the attachment member being an adhesive seal. FIG. 11 is a perspective view of a sheet-shaped battery protection cover for an electrically-powered device according to a third embodiment, the attachment member being a hook-and-loop fastener.

The following describes embodiments 1 to 3 of the battery protection cover for electric equipment (hereinafter abbreviated as "battery protection cover") according to the present invention with reference to the drawings. First, the battery protection cover of embodiment 1 will be described. FIG. 1 is a perspective view of the entire corded brush cutter when the electric equipment is a corded brush cutter. However, the handle part that is held by the operator is omitted. As shown in FIG. 1, in this corded brush cutter, a brush cutting head 95 is attached to the tip of an operating rod 90, and a cord cutter C protrudes from the brush cutting head 95. In addition, a housing 96 in which a power switch and the like are arranged is provided at the rear end of the operating rod 90, and a battery 92 for electric equipment (hereinafter abbreviated as "battery 92") can be inserted into the housing 96. In this corded brush cutter, the brush cutting head 95 is rotated at high speed using the battery 92 as a power source, and grass can be cut by the cord cutter C. In addition, a battery protection cover 10 is attached to the battery 92. In this embodiment, a corded brush cutter is used as the electric device, but other electric devices such as chainsaws and cultivators may also be used as long as they are used outdoors.

Figure 2 is a cross-sectional view of the battery protective cover 10. As shown in Figure 2, the battery protective cover 10 has a reflective material 1 that reflects sunlight and a substrate 2 to which the reflective material 1 is attached and adhered. The material of the reflective material 1 is aluminum or an aluminum alloy with a solar reflectance of 70% or more, and the material of the substrate 2 is resin. Specifically, the reflective material 1 may be aluminum foil coated with resin or resin with aluminum vapor deposition. In addition, the material of the reflective material 1 may be silver, reflective paint, enamel, or other material with a solar reflectance of 70% or more. The material of the substrate 2 may be cardboard, cloth, or other material that can maintain its shape. Specific examples of the battery protective cover 10 include cardboard with resin-coated aluminum foil attached, and resin coated with reflective paint. The reflective material 1 may be adhered to both sides of the substrate 2, not just one side.

3 is a perspective view of the battery protection cover 10 and the battery 92. The base material 2, i.e., the battery protection cover 10, is made up of a back surface 11, a top surface 12, a bottom surface 13, and side surfaces 14 and 15, and is box-shaped with an opening at the front and an insertion space 10a formed inside. Then, as shown by the arrow, the battery protection cover 10 is pressed over the battery 92 to fit the battery 92 into the insertion space 10a, and the battery protection cover 10 is attached to the battery 92 as shown in FIG. 4. This allows the battery protection cover 10 to cover the battery 92 and protect it from the radiant heat of the sun. Since the battery 92 is firmly inserted into the insertion space 10a, the battery protection cover 10 is unlikely to come off the battery 92 due to friction between the surfaces of the base material 2 and the battery 92, even during operation. In addition, a storage space 10b is provided between the base material 2 and the battery 92 in which a heat absorbing material 93 that absorbs the heat of the battery 92 is stored. This allows the heat absorption material 93 to absorb the heat generated by the battery 92 itself.

The battery protective cover 10 of the first embodiment has a reflective material 1 that reflects sunlight and a base material 2 to which the reflective material 1 is in close contact. The reflective material 1 has a solar reflectance of 70% or more, so that it can sufficiently reflect sunlight to protect the battery 92 from the radiant heat of the sun and suppress a sudden increase in temperature. Therefore, with this battery protective cover 10, heating of the battery by the radiant heat of the sun can be suppressed, and the electrically-powered device can be used continuously for a long period of time. Furthermore, with this battery protective cover 10, the base material 2 is box-shaped, and the battery 92 is fitted into the base material 2 to attach the battery protective cover 10 to the battery 92, so that the battery protective cover 10 has a simple structure and can be manufactured at low cost.

Next, the battery protection cover of the second embodiment will be described. In the battery protection cover of the second embodiment, as in the first embodiment, the electric device is a corded brush cutter, and the same reference numerals are used for the same components. FIG. 5 is a diagram showing the battery protection cover 20 covering the battery 92. The battery protection cover 20 has the same cross-sectional structure as that of FIG. 2, but the reflector 1 and the base material 2 are preferably made of soft materials. The battery protection cover 20 is bag-shaped, and a tubular insertion hole 21 is provided along the circumference of the circular opening, and a rubber 22 is inserted into the insertion hole 21 as an attachment member. After the battery protection cover 20 is placed over the battery 92, the opening is narrowed by the rubber 22, so that the battery protection cover 20 is difficult to remove from the battery 92. A string can be used instead of the rubber 22. In this case, the opening can be narrowed by pulling and tightening the string after the battery protection cover 20 is placed over the battery 92.

The battery protection cover 20 of the second embodiment is bag-shaped and the attachment member is rubber 22 or string, so that the battery 92 can be easily covered. Other functions and effects are the same as those of the first embodiment.

Next, the battery protection cover of the third embodiment will be described. In the battery protection cover of the third embodiment, as in the first embodiment, the electric device is a corded brush cutter, and the same reference numerals are used for the same components. FIG. 6 is a perspective view of the battery protection cover 30, and the battery protection cover 30 has the same cross-sectional structure as in FIG. 2. The battery protection cover 30 is composed of a back surface 31, an upper surface 32, a lower surface 33, and side surfaces 34 and 35. The upper surface 32, the lower surface 33, and the side surfaces 34 and 35 are in the form of a sheet integrally connected to the four sides of the outer periphery of the back surface 31 so as to be bendable in the same direction. In addition, adhesive stickers 31a, 32a, 33a, 34a, and 35a are affixed to the entire inner surfaces of the back surface 31, the upper surface 32, the lower surface 33, and the side surfaces 34 and 35 as mounting members. To attach this battery protection cover 30 to the battery 92, first attach the back surface 31 of the battery protection cover 30 to the battery 92, then fold the top surface 32, bottom surface 33, and sides 34, 35 and attach them to the battery 92.

In addition, instead of the battery protection cover 30, a battery protection cover 40 shown in FIG. 7 can be used. This battery protection cover 40 also has the same cross-sectional structure as that shown in FIG. 2. The battery protection cover 40 is made up of a back surface 41, a top surface 42, a bottom surface 43, and side surfaces 44, 45. The back surface 41, the top surface 42, the bottom surface 43, and the side surfaces 44, 45 are all in the form of divided sheets, and adhesive stickers 41a, 42a, 43a, 44a, 45a are affixed to the entire surfaces as attachment members. To attach this battery protection cover 40 to the battery 92, it is sufficient to affix the back surface 41, the top surface 42, the bottom surface 43, and the side surfaces 44, 45 to the battery 92, respectively.

In addition, instead of the battery protection cover 30, a battery protection cover 50 shown in FIG. 8 can be used. This battery protection cover 50 also has the same cross-sectional structure as that shown in FIG. 2. The battery protection cover 50 is composed of a back surface 51, an upper surface 52, a lower surface 53, and side surfaces 54 and 55. The upper surface 52, the lower surface 53, and the side surfaces 54 and 55 are formed in a sheet shape integrally connected to the four outer sides of the back surface 51 so as to be bendable in the same direction. In addition, a hook-and-loop fastener 8 as an attachment member is attached to the opposite side portion of the back surface 51 on the upper surface 52, the lower surface 53, and the side surfaces 54 and 55. In addition, when the battery protection cover 50 is attached to the battery 92, a hook-and-loop fastener 9 is also attached to the position of the battery 92 corresponding to the hook-and-loop fastener 8. To attach this battery protection cover 50 to the battery 92, the back surface 51 of the battery protection cover 50 is pressed against the battery 92 while the top surface 32, bottom surface 33, and side surfaces 34, 35 are folded to fit the hook and loop fasteners 8, 9. However, the hook and loop fasteners 8, 9 have a loop surface that is raised into a loop shape on one side and a hook surface that is raised into a hook shape on the other side. Note that the hook and loop fasteners 8, 9 may have both loops and hooks, and may have no distinction between the loop surface and the hook surface.

In the battery protection covers 30, 40, 50 of the third embodiment, the battery protection covers 30, 40, 50 are in a sheet shape, so that the volume can be reduced by stacking a plurality of the battery protection covers 30, 40, 50, making storage easy. In addition, the attachment members are adhesive stickers 31a, 32a, 33a, 34a, 35a, 41a, 42a, 43a, 44a, 45a, or hook-and-loop fasteners 8, 9, so that the battery protection covers 30, 40, 50 can be easily attached to the battery 92. Other functions and effects are the same as those of the first embodiment.

Although the battery protection cover for electric devices of the present invention has been described above in accordance with the first to third embodiments, the present invention is not limited to these, and it goes without saying that appropriate modifications can be made and applied as long as they do not contradict the technical concept of the present invention. For example, in the first embodiment, a storage space 10b in which the heat absorbing material 93 is stored is provided between the base material 2 and the battery 92, but in the second and third embodiments as well, a storage space in which the heat absorbing material 93 is stored can be provided.

DESCRIPTION OF SYMBOLS 1...reflective material, 2...base material, 10, 20, 30, 40, 50...battery protective cover for electric equipment, 10b...storage space, 22, 31a, 32a, 33a, 34a, 35a, 41a, 42a, 43a, 44a, 45a, 8, 9...mounting member (22...rubber, 31a, 32a, 33a, 34a, 35a, 41a, 42a, 43a, 44a, 45a...adhesive seal, 8, 9...hook and loop fastener), 92...battery for electric equipment, 93...heat absorbing material.

Claims (8)

A protective cover for a battery for an electric device that covers a battery for an electric device to protect the battery for the electric device from radiant heat from the sun,
The present invention has a reflector that reflects sunlight and a substrate to which the reflector is in close contact,
The substrate has a mounting member;
the substrate is attached to the battery for an electrically-powered device by the attachment member;
A battery protective cover for electrically-powered equipment, characterized in that the base material is bag-shaped and the mounting member is rubber or string . A protective cover for a battery for an electric device that covers a battery for an electric device to protect the battery for the electric device from radiant heat from the sun,
The present invention has a reflector that reflects sunlight and a substrate to which the reflector is in close contact,
The substrate has a mounting member;
the substrate is attached to the battery for an electrically-powered device by the attachment member;
A battery protective cover for electric equipment, characterized in that the base material is in a sheet form, and the attachment member is an adhesive sticker or a hook-and-loop fastener . A battery protection cover for electrically powered equipment according to claim 1 or 2, characterized in that the solar reflectance of the reflective material is 70% or more. A protective cover for a battery for an electric device that covers a battery for an electric device to protect the battery for the electric device from radiant heat from the sun,
The present invention has a reflector that reflects sunlight and a substrate to which the reflector is in close contact,
When the base material is attached to the battery for electric equipment, a storage space is provided between the base material and the battery for electric equipment in which an endothermic material that absorbs heat from the battery for electric equipment is stored . 5. The battery protective cover for electrically-powered equipment according to claim 4 , wherein the solar reflectance of the reflective material is 70% or more.
The substrate is box-shaped,
6. The protective cover for a battery for an electric device according to claim 4 , wherein the battery for an electric device is fitted into the base material, and the base material is attached to the battery for an electric device. The substrate has a mounting member;
6. The protective cover for a battery for electric equipment according to claim 4 , wherein the base material is attached to the battery for electric equipment by the attachment member. A battery protection cover for electrically powered equipment according to any one of claims 1 to 7, characterized in that the reflector material is aluminum or an aluminum alloy.

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