Cooling equipment

Abstract

It cools the human body and promotes health. The cooling device (100) is a cooling device (100) for cooling a part of the human body, and comprises a cooling device main body (101) and a plurality of magnets (5) attached to the cooling device main body (101).

Description

[Technical Field]

[0001] The technology disclosed herein relates to a cooling device. [Background technology]

[0002] BACKGROUND ART Conventionally, cooling devices that are attached to a part of the human body have been known. For example, Patent Document 1 discloses a cooling device that is attached to the neck. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Utility Model Registration No. 3182615 Summary of the Invention [Problem to be solved by the invention]

[0004] However, since cooling devices worn on the human body may be worn for relatively long periods of time, if the cooling device has a function that can promote health, it can effectively promote human health. However, at present, cooling devices worn on the human body have not been considered from the perspective of promoting health.

[0005] The technology disclosed herein has been made in view of the above points, and its purpose is to cool the human body and promote health. [Means for solving the problem]

[0006] The cooling device disclosed herein is a cooling device to be worn on a part of the human body, and comprises a cooling device main body and a plurality of magnets attached to the cooling device main body. [Effects of the Invention]

[0007] The cooling device can cool the human body and promote health. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a plan view of the cooling device. [Figure 2] FIG. 2 is a cross-sectional view taken along line II-II in FIG. [Figure 3] FIG. 3 is a diagram showing a state in which a user wears the cooling tool. [Figure 4] FIG. 4 is a plan view of a cooling device according to a first modified example. [Figure 5] FIG. 5 is a perspective view of two connected cooling devices. [Figure 6] FIG. 6 is a plan view of a cooling device according to a second modified example. [Figure 7] FIG. 7 is a cross-sectional view taken along line VII-VII in FIG. [Figure 8] FIG. 8 is a cross-sectional view taken along line VIII-VIII in FIG. [Figure 9] FIG. 9 is a cross-sectional view taken along line IX-IX in FIG. [Figure 10] FIG. 10 is an explanatory diagram for explaining an example of a method of using the cooling device according to the second modified example. [Figure 11] FIG. 11 is a schematic diagram of two connected cooling devices viewed from the width direction. [Figure 12] FIG. 12 is a plan view of a cooling device according to a third modified example. [Figure 13] FIG. 13 is a cross-sectional view taken along line XIII-XIII in FIG. [Figure 14] FIG. 14 is a side view of a backpack to which a cooling device according to a third modified example is attached. [Figure 15] FIG. 15 is a front view of a cooling device according to a fourth modified example. [Figure 16] FIG. 16 is a cross-sectional view taken along line XVI-XVI in FIG. [Figure 17] FIG. 17 is a side view of the cooling device according to the fourth modified example. [Figure 18] FIG. 18 is a front view of a cooling device according to a fifth modified example. [Figure 19]FIG. 19 is a cross-sectional view taken along line XIX-XIX in FIG. [Figure 20] FIG. 20 is a schematic diagram showing the cooling device in use. [Figure 21] FIG. 21 is a cross-sectional view showing another example in which a plurality of magnets are attached at different positions. DETAILED DESCRIPTION OF THE INVENTION

[0009] Exemplary embodiments will now be described in detail with reference to the accompanying drawings.

[0010] FIG. 1 is a plan view of a cooling device 100. FIG. 2 is a cross-sectional view taken along line II-II in FIG. 1. The cooling device 100 cools a part of the human body. In this example, the cooling device 100 is wrapped around the neck of the human body to cool the neck. The cooling device 100 comprises a cooling device main body 1 and a plurality of magnets 5 attached to the cooling device main body 1.

[0011] The cooling device main body 1 is formed to surround a predetermined axis A. The cooling device main body 1 includes an ice pack 11 that absorbs heat and changes from a solid phase to a liquid phase, and an exterior pack 12 that accommodates the ice pack 11. In the following description, the direction of the axis A will be simply referred to as the "axial direction," and the circumferential direction about the axis A will be simply referred to as the "circumferential direction." In other words, the circumferential direction is the winding direction of the cooling device 100.

[0012] The ice pack 11 is a PCM (Phase Change Material) that absorbs heat and changes from a solid phase to a liquid phase. The ice pack 11 contains, for example, an aliphatic hydrocarbon. The aliphatic hydrocarbon is, for example, paraffin or a saturated aliphatic hydrocarbon. The ice pack 11 contains, for example, tetradecane (C 14 H 30 ), hexadecane (C 16 H 34 ) and octadecane (C 18 H 38) Ice pack 11 may contain only one or two of tetradecane, hexadecane, and octadecane, or may contain all of them. In addition to aliphatic hydrocarbons, ice pack 11 may further contain super absorbent polymer (SAP), water, aroma, graphite, organic matter, minerals, etc. The melting point of ice pack 11 is, for example, room temperature. The melting point of ice pack 11 is preferably 5°C or higher and 35°C or lower, and more preferably 15°C or higher and 35°C or lower. When ice pack 11 is in the solid phase or liquid phase, it absorbs the heat of the human body as sensible heat. When ice pack 11 changes from the solid phase to the liquid phase, it absorbs the heat of the human body as latent heat, more specifically, heat of fusion.

[0013] The exterior pack 12 has a curved arch portion 20 and a first free end portion 21 and a second free end portion 22 extending from both ends of the arch portion 20, respectively. The exterior pack 12 is formed in a hollow shape and contains the ice pack 11. Specifically, the exterior pack 12 is formed in a substantially cylindrical shape. That is, the exterior pack 12 has a substantially annular cross section. The interiors of the arch portion 20, the first free end portion 21, and the second free end portion 22 are in communication with each other.

[0014] The arch portion 20 extends along a curved axis X0, which extends in the shape of an arc with a predetermined curvature.

[0015] The first free end 21 includes a first linear portion 24 that extends linearly. Specifically, the first linear portion 24 extends along a linear axis X1. The second free end 22 includes a second linear portion 25 that extends linearly. Specifically, the second linear portion 25 extends along a linear axis X2. The axes X1 and X2 extend from both ends of the axis X0, respectively.

[0016] The outer pack 12 has enough rigidity to maintain a constant outer shape whether the ice pack 11 is in a solid or liquid phase. Specifically, the constant outer shape is a shape in which the first free end 21 and the second free end 22 are close to each other in the circumferential direction, as shown in FIG. 1 . In other words, when no external force is applied to the cooling device main body 1, the first free end 21 and the second free end 22 are close to each other in the circumferential direction. Note that the first free end 21 and the second free end 22 may be in contact with each other when no external force is applied. Hereinafter, the state in which the first free end and the second free end are close to each other in the circumferential direction or the state in which the first free end and the second free end are in contact with each other will be referred to as the "natural state."

[0017] Because exterior pack 12 contains ice pack 11, when ice pack 11 is in a solid phase, a constant outer shape is maintained by the rigidity of both ice pack 11 and exterior pack 12. When ice pack 11 is in a liquid phase, the rigidity of ice pack 11 is low, so a constant outer shape is maintained mainly by the rigidity of exterior pack 12. Thus, first free end 21 and second free end 22 are maintained in a state of being close to or in contact with each other in the circumferential direction by the rigidity of exterior pack 12, regardless of whether ice pack 11 is in a solid or liquid phase.

[0018] However, the outer pack 12 has elasticity. That is, the outer pack 12 can be elastically deformed whether the ice pack 11 is in a solid phase or a liquid phase. Specifically, the outer pack 12 can be elastically deformed so that the first free end 21 and the second free end 22 move away from each other. A user can grasp the first free end 21 and the second free end 22 and pull them away from each other to form a gap between the first free end 21 and the second free end 22 large enough to insert the user's neck. By passing the user's neck between the first free end 21 and the second free end 22, the user can wear the cooling device main body 1 around their neck. When the external force separating the first free end 21 and the second free end 22 is removed (i.e., when the user releases the first free end 21 and the second free end 22), the rigidity of the outer pack 12 causes the outer pack 12 to return to its natural state, i.e., a state in which the first free end 21 and the second free end 22 are close to or in contact with each other in the circumferential direction.

[0019] For example, the outer pack 12 is formed from one or a mixture of resins such as thermoplastic polyurethane (TPU), nylon, polyvinyl chloride (PVC), polyethylene (PE), and polypropylene (PP).

[0020] For example, the outer pack 12 may be formed by laminating thermoplastic polyurethane, nylon, polyvinyl chloride, polyethylene, and polyurethane. More specifically, the outer pack 12 may be formed by laminating nylon and polyvinyl chloride in that order on the outside of the thermoplastic polyurethane, and polyethylene and polypropylene in that order on the inside of the thermoplastic polyurethane.

[0021] The multiple magnets 5 are arranged two-dimensionally in a plane. Specifically, the multiple magnets 5 are arranged on one axial end face 15 of the exterior pack 12. The multiple magnets 5 are arranged along the circumferential direction. In this example, the multiple magnets 5 are arranged at approximately equal intervals in the circumferential direction. In this example, nine magnets 5 are arranged along the circumferential direction. Specifically, five magnets 5 are arranged in the arch portion 20, two magnets 5 are arranged at the first free end 21, and two magnets 5 are arranged at the second free end 22.

[0022] As shown in Fig. 2, each magnet 5 is covered with a cover sheet 65 and sandwiched between the exterior pack 12 of the cooling device body 1 and the cover sheet 65. The cover sheet 65 is joined to the exterior pack 12. The joining is achieved by, for example, thermal welding. In this way, the multiple magnets 5 are attached to the exterior pack 12.

[0023] Each magnet 5 is, for example, a ferrite magnet, a neodymium magnet, etc. Each magnet 5 is round, but may be polygonal, and the shape of each magnet 5 is not limited.

[0024] The multiple magnets 5 include multiple magnets 5a aligned in a first direction in a plane. In this example, the first direction is the circumferential direction. In this example, all of the magnets 5 are magnets 5a aligned in the first direction. The magnetic poles of adjacent magnets 5a in the first direction are different from each other. In other words, when viewed from the axial direction, north-pole magnets 5a and south-pole magnets 5a are arranged alternately in the circumferential direction. The magnetic poles of the front and back of the magnets 5a are different.

[0025] Next, we will explain how to use the cooling tool 100. Figure 3 is a diagram showing the cooling tool 100 worn by a user.

[0026] The ice pack 11 is in a solid phase at room temperature. At this time, the cooling device 100 is in a natural state in which the first free end portion 21 and the second free end portion 22 are close to or in contact with each other in the circumferential direction.

[0027] The user grasps the first free end 21 and the second free end 22 and moves the first free end 21 and the second free end 22 away from each other. The user passes their neck through the gap between the first free end 21 and the second free end 22 and wraps the cooling device 100 around their neck. Finally, the user releases their hands from the first free end 21 and the second free end 22. As a result, as shown in FIG. 3 , the cooling device 100 returns to its natural state in which the first free end 21 and the second free end 22 are close to or in contact with each other in the circumferential direction. Because the cooling device 100 is formed into a closed ring shape as a whole, it is securely attached to the neck and is prevented from coming off the neck.

[0028] When cooling device 100 is wrapped around the neck, ice pack 11 absorbs heat from the neck. As a result, ice pack 11 melts and changes to a liquid phase. Ice pack 11 absorbs heat using not only sensible heat but also latent heat, so it can efficiently absorb heat from the neck.

[0029] When using this cooling device 100, the magnetic field of the multiple magnets 5 promotes blood flow in the neck. Specifically, the magnetic field of the multiple magnets 5 acts on the cells, nervous system, blood flow system, etc. of the neck, regulating the biomagnetic field and bioelectric current. This cools the neck and promotes human health.

[0030] In particular, in this example, the multiple magnets 5 are arranged two-dimensionally on a plane, so the magnetic fields of the multiple magnets 5 can also spread along the plane. This allows the magnetic force to be exerted over a wide area of ​​the neck. Furthermore, in this example, the magnetic poles of the magnets 5a adjacent to each other in the first direction (in this example, the circumferential direction) are different from each other. This allows the magnetic force to be exerted over a wide area, further promoting blood flow in the neck. For example, the strength of one magnet 5 is 2000 gauss, which further promotes blood flow in the neck.

[0031] <<Variation>> 4 is a plan view of a cooling tool 200 according to a first modified example. The cooling tool 200 differs from the cooling tool 100 according to the embodiment in the configuration of the magnetic poles of the multiple magnets 5. The following description will focus on the configuration of the cooling tool 200 that differs from the cooling tool 100 according to the embodiment. Note that in the cooling tool 200, the same reference numerals as those in the cooling tool 100 according to the embodiment have the same configuration as the cooling tool 100 according to the embodiment, and therefore their description will be omitted.

[0032] The multiple magnets 5 are arranged in positions that are line-symmetric with respect to the virtual line L. In other words, when the multiple magnets 5 are divided into two magnet groups by the virtual line L, the multiple magnets 5 are arranged so that the two magnet groups are line-symmetric with respect to the virtual line L. For example, as shown in FIG. 4, when the multiple magnets 5 are divided into a first magnet group 51G and a second magnet group 52G by the virtual line L, the multiple magnets 5 are arranged so that the first magnet group 51G and the second magnet group 52G are line-symmetric with respect to the virtual line L. In other words, when the first magnet group 51G and the second magnet group 52G are inverted with respect to the virtual line L, they overlap with each other. In this example, the virtual line L intersects the axis A and passes between the first free end 21 and the second free end 22.

[0033] Furthermore, the magnetic poles of the two magnets 5 that are positioned symmetrically to each other are different. In other words, in two magnet groups separated by the imaginary line L, the magnetic pole of one magnet 5 included in one magnet group is different from the magnetic pole of one magnet 5 included in the other magnet group that is positioned symmetrically to the one magnet 5. In the example of Figure 4, the magnetic pole of one magnet 5 included in the first magnet group 51G is different from the magnetic pole of one magnet 5 included in the second magnet group 52G that is positioned symmetrically to the one magnet 5.

[0034] With this type of cooling device 200, as shown in FIG. 5, multiple cooling devices 200 can be detachably connected via multiple magnets 5. In this example, two cooling devices 200 can be detachably connected via multiple magnets 5. This makes it possible to change the cooling capacity of the cooling device 200. For example, on a very hot day, the user can increase the cooling capacity of the cooling device 200 by using multiple connected cooling devices 200. On the other hand, for example, on a day that is not very hot, the user can reduce the cooling capacity of the cooling device 200 by reducing the number of connected cooling devices 200. FIG. 5 is a perspective view of two connected cooling devices 200.

[0035] More specifically, two cooling tools 200 are stacked so that the multiple magnets 5 of each cooling tool 200 face each other in the axial direction. One cooling tool 200 is upside down relative to the other cooling tool 200. As described above, the magnetic poles of the two magnets 5, which are positioned symmetrically about an axis, are different from each other, so that the magnetic pole of one magnet 5 in one cooling tool 200 can be made different from the magnetic pole of the corresponding magnet 5 in the other cooling tool 200, which is upside down. This allows the multiple magnets 5 in one cooling tool 200 to be connected by magnetic force to the multiple magnets 5 in the other cooling tool 200.

[0036] Fig. 6 is a plan view of a cooling tool 300 according to a second modified example. Fig. 7 is a cross-sectional view taken along line VII-VII in Fig. 6. Fig. 8 is a cross-sectional view taken along line VIII-VIII in Fig. 6. Fig. 9 is a cross-sectional view taken along line IX-IX in Fig. 6. The cooling tool 300 differs from the cooling tool 100 according to the embodiment in the configuration of the cooling tool main body 301 and the arrangement of the multiple magnets 5. The following description will focus on the configuration of the cooling tool 300 that differs from the cooling tool 100 according to the embodiment. Note that in the cooling tool 300, the same reference numerals as those in the cooling tool 100 according to the embodiment have the same configuration as the cooling tool 100 according to the embodiment, and therefore their description will be omitted.

[0037] The cooling device 300 is attached to the elbows, wrists, knees, ankles, etc. of the human body to cool these parts.

[0038] The cooling tool body 301 is formed in an elongated shape extending in the length direction. Specifically, the cooling tool body 301 extends along a plane and is formed in a substantially rectangular shape in a plan view. The cooling tool body 301 is formed in a plate shape as a whole. Hereinafter, in the cooling tool 300, a direction perpendicular to the length direction and parallel to the plane will be referred to as a width direction, and a direction perpendicular to both the length direction and the width direction will be referred to as a thickness direction.

[0039] The cooling device main body 301 includes an ice pack 11 and an exterior pack 312 that houses the ice pack 11. The exterior pack 312 may further be formed with a plurality of vent holes 318 that penetrate the exterior pack 312 in the thickness direction. Each vent hole 318 extends in the width direction. The plurality of vent holes 318 are aligned in the length direction. In this example, the plurality of vent holes 318 are arranged at approximately equal intervals in the length direction.

[0040] The outer pack 312 may have multiple storage sections 316 that store ice packs 11. Each storage section 316 stores an individual ice pack 11. Each storage section 316 is sealed. When viewed in the thickness direction, the storage sections 316 are formed in a substantially rectangular shape. The longitudinal direction of each storage section 316 extends in the width direction. The lateral direction of each storage section 316 extends in the length direction. The multiple storage sections 316 are lined up in the length direction. In this example, the outer pack 312 has eight storage sections 316 lined up in the length direction. The aforementioned ventilation holes 318 are arranged between adjacent storage sections 316 in the length direction.

[0041] The exterior pack 312 may further include partitions 314 that separate the multiple storage sections 316. The partitions 314 are disposed between adjacent storage sections 316 in the longitudinal direction. The partitions 314 extend in the width direction. Specifically, a pair of partitions 314 are disposed between adjacent storage sections 316 in the width direction. One of the partitions 314 extends along the width direction from a first end of the ventilation hole 318 in the width direction to the outer periphery of the exterior pack 312. The other partition 314 extends along the width direction from a second end of the ventilation hole 318 in the width direction to the outer periphery of the exterior pack 312. As shown in FIG. 9 , the partitions 314 are formed by joining walls of the exterior pack 312 that face each other in the thickness direction. The joining is achieved, for example, by thermal welding. As a result, the partitions 314 separate adjacent storage sections 316 in the longitudinal direction, and each storage section 316 is sealed.

[0042] 6, the cooling device 300 may further include a fastener 95 for fastening the cooling device main body 301 to an elbow, wrist, knee, ankle, or the like of the human body. The fastener 95 is provided at an end in the longitudinal direction of the cooling device main body 301. The fastener 95 is, for example, a snap button, a hook-and-loop fastener, or the like. In this example, the fastener 95 is a snap button.

[0043] The multiple magnets 5 are provided on one of the two surfaces of the exterior pack 312 in the thickness direction. The multiple magnets 5 include multiple magnets 5a aligned in a first direction (in this example, the length direction) in a plane. Adjacent magnets 5a in the first direction have different magnetic poles. Specifically, eight magnets 5a are aligned in the first direction to form one group of magnets 5a, and three groups of magnets 5a are arranged in the width direction. In this example, in one group of magnets 5a, one magnet 5a is arranged between adjacent air holes 318 in the length direction. In one group of magnets 5a, the multiple magnets 5a are arranged at approximately equal intervals in the first direction.

[0044] Furthermore, the multiple magnets 5 include multiple magnets 5b aligned in a second direction in the plane (in this example, the width direction). The magnetic poles of the magnets 5b adjacent to each other in the second direction are different. In more detail, three magnets 5b are aligned in the second direction to form a group of magnets 5b, and eight groups of magnets 5b are arranged in the longitudinal direction. In this example, one group of magnets 5b is arranged between adjacent air holes 318 in the longitudinal direction. In one group of magnets 5b, the multiple magnets 5b are arranged at approximately equal intervals in the second direction. With the configuration described above, the multiple magnets 5 are arranged in a matrix.

[0045] Similar to the cooling device 200 according to the first modification, the multiple magnets 5 are arranged in positions that are symmetrical with respect to the imaginary line L. The magnetic poles of the two magnets 5 that are symmetrically positioned are different from each other. In this example, the imaginary line L extends in the width direction.

[0046] 10 is an explanatory diagram illustrating an example of how to use the cooling device 300. The cooling device 300 is attached to, for example, the knee 71 of the human body. More specifically, the user wraps the cooling device 300 around the knee 71 and fixes the cooling device 300 to the knee 71 using a fixing device 95 (see FIG. 6). This causes the knee 71 to be cooled by the cooling device 300. The same applies when the cooling device 300 is attached to the elbow, wrist, ankle, etc. of the human body.

[0047] When using this cooling device 300, the magnetic fields of the multiple magnets 5 promote blood flow in the elbows, wrists, knees, ankles, etc. Specifically, the magnetic fields of the multiple magnets 5 act on the cells, nervous system, blood flow system, etc. of the elbows, wrists, knees, ankles, etc., and can regulate the biomagnetic field and bioelectric current. This cools the human body and improves its health. In particular, in this example, the magnetic poles of the magnets 5a adjacent to each other in the first direction are different from each other, and the magnetic poles of the magnets 5b adjacent to each other in the second direction are different from each other. This allows the magnetic force to cover a wider area, further promoting blood flow in the elbows, wrists, knees, ankles, etc.

[0048] Furthermore, because the magnetic poles of the two magnets 5, which are positioned symmetrically with respect to an axis, are different from each other, it is possible to connect multiple cooling devices 300 via multiple magnets 5, as shown in Fig. 11. This makes it possible to change the cooling capacity of the cooling devices 300. Fig. 11 is a schematic diagram of two connected cooling devices 300 viewed from the width direction.

[0049] FIG. 12 is a plan view of a cooling device 400 according to a third modified example. FIG. 13 is a cross-sectional view taken along line XIII-XIII in FIG. 12. FIG. 14 is a side view of a backpack 8 to which the cooling device 400 is attached. The cooling device 400 differs from the cooling device 100 according to the embodiment in the configuration of the cooling device main body 401 and the arrangement of the multiple magnets 5. The following description will focus on the configuration of the cooling device 400 that differs from the cooling device 100 according to the embodiment. Note that in the cooling device 400, the same reference numerals as those in the cooling device 100 according to the embodiment have the same configuration as the cooling device 100 according to the embodiment, and therefore their description will be omitted. Note that the attachment portion 9, which will be described later, is not shown in FIG. 12.

[0050] In the following description, the thickness direction of the cooling device 400, i.e., the thickness direction of the flat first sheet 431 described below, will be simply referred to as the "thickness direction." In this example, a predetermined direction perpendicular to the thickness direction is defined as the first direction, and a direction perpendicular to both the thickness direction and the first direction is defined as the second direction.

[0051] Cooling device main body 401 includes ice packs 11 and an exterior pack 412 that accommodates ice packs 11. Exterior pack 412 is formed in a flat plate shape overall. When viewed from the thickness direction, exterior pack 412 has a substantially rectangular shape with its longitudinal direction extending in the second direction. Exterior pack 412 is formed with a plurality of storage sections 416 that accommodate ice packs 11.

[0052] Each storage section 416 individually stores ice packs 11. When viewed in the thickness direction, storage sections 416 are formed in a substantially rectangular shape. The longitudinal direction of each storage section 416 extends in the first direction. In this example, outer pack 512 is formed with four rows of storage sections 416 in the second direction, each row consisting of two storage sections 416 aligned in the first direction.

[0053] The exterior pack 412 is formed by overlapping and joining two sheets 431 and 432. Specifically, as shown in Fig. 13, the exterior pack 412 has a first sheet 431 and a second sheet 432 facing the first sheet 431.

[0054] Each of the first sheet 431 and the second sheet 432 is formed in a substantially rectangular shape when viewed in the thickness direction. The outer peripheral edge of the first sheet 431 and the outer peripheral edge of the second sheet 432 overlap. The first sheet 431 is substantially flat. On the other hand, the second sheet 432 has a plurality of recesses 435 formed therein that are recessed in the direction away from the first sheet 431. The entire periphery of each recess 435 in the second sheet 432 is joined to the first sheet 431. As a result, each recess 435 is sealed by the first sheet 431. The aforementioned storage section 416 is formed by the first sheet 431 and the recesses 435.

[0055] As shown in FIG. 12, the multiple magnets 5 are provided in a portion of the first sheet 431 that corresponds to the storage section 416. The multiple magnets 5 include multiple magnets 5a that are aligned in a first direction in a plane. Adjacent magnets 5a in the first direction have different magnetic poles. Specifically, four magnets 5a are aligned in the first direction to form one group of magnets 5a, and eight groups of magnets 5a are arranged in the second direction. In one group of magnets 5a, the multiple magnets 5a are arranged at approximately equal intervals in the first direction.

[0056] Furthermore, the multiple magnets 5 include multiple magnets 5b aligned in a second direction in the plane. Adjacent magnets 5b in the second direction have different magnetic poles. Specifically, eight magnets 5b are aligned in the second direction to form one group of magnets 5b, and four groups of magnets 5b are arranged in the first direction. In one group of magnets 5b, the multiple magnets 5b are arranged at approximately equal intervals in the second direction. With the configuration described above, the multiple magnets 5 are arranged in a matrix.

[0057] Similar to the cooling device 200 according to the first modification, the multiple magnets 5 are arranged in positions that are line-symmetrical with respect to the imaginary line L. The magnetic poles of the two magnets 5 that are in a symmetrical positional relationship are different from each other. In this example, the imaginary line L extends in the second direction.

[0058] 14, the backpack 8 has a backrest 81 and shoulder straps 82.

[0059] Cooling device 400 cools the back of a person carrying backpack 8. Cooling device 400 further includes an attachment unit 9 for attaching exterior pack 412 to backpack 8. Attachment unit 9 has a plurality of attachment devices 91 provided on exterior pack 412. Attachment devices 91 are detachably attached to shoulder straps 82 of backpack 8.

[0060] When using the cooling device 400, the user attaches the cooling device 400 to the backpack 8. The cooling device 400 is installed on the backrest 81 by attaching a plurality of attachments 91 to the shoulder straps 82.

[0061] When a user carries backpack 8 with cooling device 400 attached, cooling device 400 is placed along the user's back. As a result, cooling device 400 cools the user's back.

[0062] When using this cooling device 400, the magnetic fields of the multiple magnets 5 promote blood flow to the back. Specifically, the magnetic fields of the multiple magnets 5 act on the cells, nervous system, blood flow system, etc. of the back, regulating the biomagnetic field and bioelectric current. This cools the human body and promotes its health. In particular, in this example, the magnetic poles of the magnets 5 adjacent to each other in the first direction are different from each other, and the magnetic poles of the magnets 5 adjacent to each other in the second direction are different from each other. This allows the magnetic force to cover a wider area, further promoting blood flow to the back.

[0063] Furthermore, since the magnetic poles of the two magnets 5, which are positioned symmetrically with respect to the axis, are different from each other, it is possible to connect a plurality of cooling devices 400 via a plurality of magnets 5. This makes it possible to change the cooling capacity of the cooling devices 400.

[0064] Fig. 15 is a front view of a cooling tool 500 according to a fourth modified example. Fig. 16 is a cross-sectional view of a first cooling tool 500A, which will be described later, taken along line XVI-XVI in Fig. 15. Fig. 17 is a side view of the cooling tool 500. The cooling tool 500 differs from the cooling tool 100 according to the embodiment in the configuration of the cooling tool main body 501 and the arrangement of the multiple magnets 5. The following description will focus on the configuration of the cooling tool 500 that differs from the cooling tool 100 according to the embodiment. Note that in the cooling tool 500, the same reference numerals as those in the cooling tool 100 according to the embodiment have the same configuration as the cooling tool 100 according to the embodiment, and therefore their description will be omitted.

[0065] The cooling device 500 is worn on the torso 72 of the human body to cool the torso 72. In the following, the cooling device 500 will be described using the direction of the human body on which the cooling device 500 is worn. That is, the front of the human body on which the cooling device 500 is worn will be referred to as the "front." The same applies to "rear," "left," "right," "upper," and "lower."

[0066] Cooling device 500 comprises a first cooling device 500A which forms the front body and is placed along the front of torso 72, and a second cooling device 500B which forms the back body and is placed along the back surface of torso 72. In this example, cooling device 500 further comprises shoulder straps 93 which connect first cooling device 500A and second cooling device 500B. Cooling device 500 further comprises a waist strap 94 which connects first cooling device 500A and second cooling device 500B.

[0067] Each of the first cooling tool 500A and the second cooling tool 500B is formed in a flat plate shape that extends in a direction intersecting the front-rear direction, more specifically, in a direction substantially perpendicular to the front-rear direction. That is, the thickness direction of each of the first cooling tool 500A and the second cooling tool 500B substantially coincides with the front-rear direction.

[0068] The basic configuration of the exterior pack 512 is the same as the configuration of the exterior pack 412 according to the third modified example. That is, the exterior pack 512 has a plurality of storage compartments 516 that store ice packs 11. The exterior pack 512 has a first sheet 531 and a second sheet 532 that overlap in the front-to-rear direction. The first sheet 531 is substantially flat. The second sheet 532 has a plurality of recesses 535 that are recessed in the direction away from the first sheet 531.

[0069] The multiple storage sections 516 are lined up in a direction intersecting the front-rear direction. Specifically, the multiple storage sections 516 are lined up in the up-down direction and the left-right direction. In this example, the overall shape of the exterior pack 512, the total number of storage sections 516, and the shape of the storage sections 516 differ between the first cooling device 500A and the second cooling device 500B. The exterior pack 512 of the first cooling device 500A has four rows of storage sections 516 lined up in the left-right direction, arranged in four columns in the up-down direction. The exterior pack 512 of the second cooling device 500B has six rows of storage sections 516 lined up in the left-right direction, arranged in six columns in the up-down direction. The exterior pack 512 may further be formed with a multiple number of ventilation holes 518 penetrating the exterior pack 512 in the front-rear direction.

[0070] The multiple magnets 5 are provided in a portion of the first sheet 531 that corresponds to the storage section 516. The multiple magnets 5 include multiple magnets 5a that are aligned in a first direction (in this example, the left-right direction) in a plane. The magnetic poles of adjacent magnets 5a in the first direction are different from each other. The multiple magnets 5a are arranged at approximately equal intervals in the first direction.

[0071] The shoulder straps 93 are worn over the shoulders of a person. In this example, the cooling device 500 has a pair of shoulder straps 93. The pair of shoulder straps 93 are spaced apart in the left-right direction. The shoulder straps 93 connect the upper part of the first cooling device 500A (more specifically, the upper end of the exterior pack 512 of the first cooling device 500A) to the upper part of the second cooling device 500B (more specifically, the upper end of the exterior pack 512 of the second cooling device 500B).

[0072] The waist straps 94 are arranged around the torso 72. In this example, the cooling device 500 has a pair of waist straps 94. The pair of waist straps 94 are arranged on the sides of the first cooling device 500A and the second cooling device 500B. One waist strap 94 connects the left side of the first cooling device 500A (specifically, the left end of the exterior pack 512 of the first cooling device 500A) to the left side of the second cooling device 500B (specifically, the left end of the exterior pack 512 of the second cooling device 500B). The other waist strap 94 connects the right side of the first cooling device 500A (specifically, the right end of the exterior pack 512 of the first cooling device 500A) to the right side of the second cooling device 500B (specifically, the right end of the exterior pack 512 of the second cooling device 500B).

[0073] The cooling device 500 is attached to the torso 72, for example, as shown below. That is, the user's head is passed between the first cooling device 500A and the second cooling device 500B and between the left and right shoulder straps 93 in that order, and is extended outside the cooling device 500. The user's left arm is extended between the left shoulder strap 93 and the left torso strap 94 and is extended outside the cooling device 500. The user's right arm is extended between the right shoulder strap 93 and the right torso strap 94 and is extended outside the cooling device 500. In this way, the cooling device 500 is attached to the torso 72. By attaching the cooling device 500 to the torso 72, the front of the torso 72 is cooled by the first cooling device 500A, and the rear of the torso 72 is cooled by the second cooling device 500B.

[0074] In this cooling device 500, when the cooling device 500 is used, the magnetic fields of the multiple magnets 5 promote blood flow in the torso. Specifically, the magnetic fields of the multiple magnets 5 act on the cells, nervous system, blood flow system, etc. of the torso, regulating the biomagnetic field and bioelectric current. This not only cools the human body but also improves its health. In particular, in this example, the magnetic poles of the magnets 5a adjacent to each other in the first direction are different from each other. This allows the magnetic force to extend over a wide area, further promoting blood flow in the torso.

[0075] Fig. 18 is a plan view of a cooling tool 600 according to a fifth modified example. Fig. 19 is a cross-sectional view taken along line XIX-XIX in Fig. 18. Fig. 20 is a schematic diagram showing the cooling tool 600 in use. The cooling tool 600 differs from the cooling tool 100 according to the embodiment in the configuration of the cooling tool main body 601 and the arrangement of the multiple magnets 5. The following description will focus on the configuration of the cooling tool 600 that differs from the cooling tool 100 according to the embodiment. Note that in the cooling tool 600, the same reference numerals as those in the cooling tool 100 according to the embodiment have the same configuration as the cooling tool 100 according to the embodiment, and therefore their description will be omitted.

[0076] The cooling device 600 cools the head 73 of the human body. Specifically, the cooling device 100 cools the forehead 75, the occipital region 76, the parietal region 77, and the temporal regions 78 of the human body. The cooling device 600 is placed inside the headwear 85 that is worn on the head 73 of the human body. More specifically, the cooling device 600 is placed inside the headwear 85 so that a second sheet 632, which will be described later, faces the head 73. The headwear 85 is, for example, a helmet, a hat, a hood, a sun visor, or the like.

[0077] The cooling tool body 601 is formed in a plate shape. In this example, the shape of the cooling tool body 601 is a circle with a plurality of notches 19, which will be described later. The cooling tool body 601 is deformable between a first state in a plate shape and a second state in a curved shape. The curved shape in the second state may be cup-shaped, bowl-shaped, bell-shaped, or spherical crown-shaped. The first state is the state when the cooling tool 600 is not in use, and the second state is the state when the cooling tool 600 is in use. In the following explanation, unless otherwise specified, the cooling tool body 601 in the first state will be explained. In this example, the cooling tool body 601 is formed in an overall circular shape. The cooling tool body 601 has an outer peripheral edge 601a.

[0078] The basic configuration of the exterior pack 612 is the same as that of the exterior pack 412 according to the third modified example. That is, the exterior pack 612 has a plurality of storage compartments 616 for storing ice packs 11. The exterior pack 612 has a first sheet 631 and a second sheet 632 that overlap in the thickness direction. The first sheet 631 is substantially flat. The second sheet 632 has a plurality of recesses 635 recessed in the opposite direction from the first sheet 631.

[0079] Each of the plurality of storage sections 616 has a substantially trapezoidal or substantially semicircular planar shape. Two substantially semicircular storage sections 616 are arranged in a substantially circular shape at approximately the center of the cooling device main body 601. A plurality of substantially trapezoidal storage sections 616 are arranged radially around the two substantially semicircular storage sections 616. More specifically, three substantially trapezoidal storage sections 616 are lined up in the radial direction to form one group of substantially trapezoidal storage sections 616, and six groups of substantially trapezoidal storage sections 616 are arranged radially around the substantially semicircular storage section 616.

[0080] The exterior pack 612 has multiple notches 19 formed on the outer peripheral edge 601a. ​​The notches 19 extend from the outer peripheral edge 601a toward the inside in the radial direction of the cooling device main body 601. The width of the notches 19 increases in the direction in which the notches 19 extend from the inside of the cooling device main body 601 toward the outer peripheral edge 601a. ​​The notches 19 are formed in a roughly wedge shape. Six of the multiple notches 19 are formed at equal intervals in a direction along the outer peripheral edge 601a.

[0081] The outer pack 612 includes a first portion 612a corresponding to the top of the head 77 of the human body, and a second portion 612b corresponding to the forehead 75, the occipital region 76, and the temporal region 78 of the human body. The second portion 612b includes a plurality of segments 612S divided in the circumferential direction.

[0082] Specifically, the first portion 612a is formed in a circular shape. The second portion 612b is formed in a generally annular shape surrounding the first portion 612a. The outer peripheral edge of the first portion 612a and the inner peripheral edge of the second portion 612b are aligned. The first portion 612a and the second portion 612b are continuous.

[0083] The notches 19 are formed in the second portion 612b. The notches 19 extend from the outer peripheral edge 601a to a predetermined position between the outer peripheral edge 601a and the outer peripheral edge of the first portion 612a. In this example, the notches 19 extend from the outer peripheral edge 601a to the outer peripheral edge of the first portion 612a. The second portion 612b is divided into six parts in the circumferential direction by the notches 19 to form six divided bodies 612S. The six divided bodies 612S extend radially.

[0084] A substantially semicircular storage section 616 is arranged in first portion 612a, and a substantially trapezoidal storage section 616 is arranged in divided body 612S. Specifically, of the three substantially trapezoidal storage sections 616 arranged in the radial direction, the innermost storage section 616 is arranged across first portion 612a and divided body 612S.

[0085] The magnets 5 are provided on the first sheet 631. The magnets 5 are arranged in each of the divided bodies 612S. Specifically, the magnets 5 are arranged corresponding to the respective storage portions 616 arranged in the divided body 612S.

[0086] The multiple magnets 5 are arranged radially from the center of the cooling device main body 601. In detail, three magnets 5 are arranged radially to form one group of magnets 5, and six groups of magnets 5 are arranged radially from the center of the cooling device main body 601.

[0087] More specifically, the multiple magnets 5 are arranged radially from the center of the cooling tool main body 601. The magnetic poles of the magnets 5 adjacent to each other in the first direction (in this example, the radial direction) are different. In other words, when viewed from the bottom surface of the cooling tool main body 601, the N-pole magnets 5 and the S-pole magnets 5 are arranged alternately in the radial direction.

[0088] Furthermore, the multiple magnets 5 are arranged side by side in the circumferential direction of the cooling tool main body 601. The magnetic poles of the magnets 5 adjacent to each other in the second direction (in this example, the circumferential direction) are different. In other words, when viewed from the bottom surface of the cooling tool main body 601, the N-pole magnets 5 and the S-pole magnets 5 are arranged alternately in the circumferential direction.

[0089] Similar to the cooling device 200 according to the first modification, the multiple magnets 5 are arranged in positions that are line-symmetrical with respect to the imaginary line L. The magnetic poles of two magnets 5 that are in a symmetrical positional relationship are different from each other. In this example, the imaginary line L extends in the radial direction so as to pass between the segments 612S that are adjacent in the circumferential direction.

[0090] In this cooling device 600, when the cooling device 600 is used, the magnetic fields of the multiple magnets 5 promote blood flow in the head 73. Specifically, the magnetic fields of the multiple magnets 5 act on the cells, nervous system, blood flow system, etc. of the head 73, regulating the biomagnetic field and bioelectric current. This cools the human body and improves its health. In particular, in this example, the magnetic poles of adjacent magnets 5 in a first direction (in this example, the radial direction) are different from each other, and the magnetic poles of adjacent magnets 5 in a second direction (in this example, the circumferential direction) are different from each other. This allows the magnetic force to cover a wider area, further promoting blood flow in the head 73.

[0091] Furthermore, since the magnetic poles of the two magnets 5, which are positioned symmetrically with respect to the axis, are different from each other, it is possible to connect a plurality of cooling devices 600 via a plurality of magnets 5. This makes it possible to change the cooling capacity of the cooling devices 600.

[0092] Other Embodiments As described above, the above embodiment has been described as an example of the technology disclosed in this application. However, the technology of the present disclosure is not limited to this and can be applied to embodiments in which modifications, substitutions, additions, omissions, etc. are made as appropriate. Furthermore, the components described in the above embodiment can be combined to create new embodiments. Furthermore, the components described in the accompanying drawings and detailed description may include not only components essential for solving the problem, but also components that are not essential for solving the problem in order to exemplify the technology. Therefore, the fact that these non-essential components are described in the accompanying drawings or detailed description should not be interpreted as immediately determining that these non-essential components are essential.

[0093] For example, the cooling device of the present disclosure may be attached to areas of the human body other than the head, neck, torso, elbows, wrists, knees, and ankles.

[0094] The shape of the exterior pack of the cooling tool main body is not limited to the above-mentioned shape. For example, in the cooling tool 100, the arch portion 20 may be curved as a whole, or may include a straight portion. The first free end 21 may not include the first straight portion 24 and may be curved. The second free end 22 may not include the second straight portion 25 and may be curved.

[0095] The arrangement of the multiple magnets 5 is not limited to the configuration described above. The multiple magnets 5 do not have to be arranged two-dimensionally on a plane. For example, the multiple magnets 5 may be arranged on a curved surface. The method of attaching the multiple magnets 5 to the exterior pack is not limited to the method using the cover sheet 65. For example, the multiple magnets 5 may be attached directly to the exterior pack using an adhesive or the like.

[0096] Magnets 5a adjacent to each other in the first direction may have the same magnetic pole. Magnets 5b adjacent to each other in the second direction may have the same magnetic pole. The second direction only needs to intersect with the first direction, and does not have to be perpendicular to the first direction.

[0097] In the above-described cooling tool 400, the multiple magnets 5 may be attached to a portion of the second sheet 432 corresponding to the storage section 416, as shown in FIG. 21. FIG. 21 is a cross-sectional view showing another example in which the multiple magnets 5 are attached at different positions. Furthermore, the multiple magnets 5 may be attached to both the first sheet 431 and the second sheet 432. This makes it possible to connect three or more cooling tools 400 via the multiple magnets 5. The same applies to the cooling tool 500 and the cooling tool 600. Similarly, in the cooling tool 100 and the cooling tool 200, the multiple magnets 5 may be arranged on the end face 15 on one axial side of the exterior pack 12, as well as on the end face on the other axial side. Similarly, in the cooling tool 300, the multiple magnets 5 may be arranged on both sides of the exterior pack 312 in the thickness direction.

[0098] [Aspect] The above embodiments are specific examples of the following aspects.

[0099] (Aspect 1) The cooling devices 100, 200, 300, 400, 500, 600 are cooling devices 100, 200, 300, 400, 500, 600 for cooling a part of the human body, and comprise a cooling device main body 101, 201, 301, 401, 501, 601 and a plurality of magnets 5 attached to the cooling device main body 101, 201, 301, 401, 501, 601.

[0100] With this configuration, when cooling devices 100, 200, 300, 400, 500, and 600 are used, the magnetic fields of the multiple magnets 5 promote blood flow in the human body. Specifically, the magnetic fields of the multiple magnets 5 act on the cells, nervous system, blood flow system, and the like of the human body, regulating the biomagnetic field and bioelectric current. This allows the human body to be cooled and health to be improved.

[0101] (Aspect 2) In the cooling devices 100, 200, 300, 400, 500, and 600 according to the first aspect, the plurality of magnets 5 are arranged two-dimensionally on a plane.

[0102] According to this configuration, the magnetic fields of the multiple magnets 5 can spread along a plane, so that the magnetic force can be exerted over a wide range of the human body.

[0103] (Aspect 3) In the cooling device 100, 200, 300, 400, 500, 600 according to aspect 1 or 2, the plurality of magnets 5 includes a plurality of magnets 5a aligned in a first direction in the plane, and the magnetic poles of the magnets 5a adjacent to each other in the first direction are different from each other.

[0104] With this configuration, the magnetic force spreads over a wide area, further promoting blood flow in the human body.

[0105] (Aspect 4) In the cooling device 300, 400, 600 according to any one of aspects 1 to 3, the plurality of magnets 5 include a plurality of magnets 5b arranged in a second direction intersecting the first direction, and the magnetic poles of adjacent magnets 5b in the second direction are different from each other.

[0106] With this configuration, the magnetic force spreads over a wider area, further promoting blood flow in the human body.

[0107] (Aspect 5) In the cooling device 200, 300, 400, 600 according to any one of aspects 1 to 4, the plurality of magnets 5 are arranged in positions that are line-symmetric with respect to the imaginary line L, and the magnetic poles of two magnets 5 that are line-symmetric with each other are different from each other.

[0108] According to this configuration, the plurality of cooling devices 200, 300, 400, 600 can be detachably connected via the plurality of magnets 5. This allows the cooling capacity of the cooling devices 200, 300, 400, 600 to be changed.

[0109] (Aspect 6) In the cooling device according to any one of aspects 1 to 5, the part of the human body is any one of the neck, torso, elbow, wrist, knee, and ankle.

[0110] This configuration can promote blood flow to any of the neck, torso, elbows, wrists, knees, and ankles of the human body. [Explanation of symbols]

[0111] 100,200,300,400,500,600 Cooling equipment 101, 201, 301, 401, 501, 601 Cooling device body 5. Magnets 5a Magnets aligned in the first direction 5b Magnets aligned in the second direction L Virtual Line

Claims

1. A cooling device that is wrapped around a human neck to cool the neck, a cooling device body that includes an ice pack that absorbs heat and changes from a solid phase to a liquid phase and an outer pack that contains the ice pack, the cooling device body being formed to surround a predetermined axis and being wrapped around the neck; a plurality of magnets attached to the cooling device body; The outer pack has a curved arch portion and a first free end and a second free end extending from both ends of the arch portion, the plurality of magnets are two-dimensionally arranged on a plane and are arranged at positions that are symmetrical with respect to an imaginary line that intersects the axis and passes between the first free end and the second free end, A cooling tool in which the magnetic poles of the two magnets, which are positioned symmetrically with respect to the imaginary line, are different from each other.

2. The cooling device according to claim 1, the plurality of magnets includes a plurality of magnets aligned in a first direction in the plane, The cooling device has magnets whose magnetic poles are different from each other and whose magnets are adjacent in the first direction.

3. The cooling device according to claim 2, the plurality of magnets includes a plurality of magnets aligned in a second direction intersecting the first direction, The cooling device has magnets whose magnetic poles are different from each other and whose magnets are adjacent in the second direction.

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