JP3022132U - Cooling cap unit for cooling cap and cooling cap such as helmet equipped with it - Google Patents

Abstract

(57) [Abstract] [Purpose] To obtain a cooling cap unit for a cooling cap and a cooling cap using the cooling cap unit having a structure that is light in weight, has an excellent cooling effect and is suitable for practical use. [Constitution] Cooling plate (4) made of a material with good thermal conductivity
And a cooling radiator portion (8) having a front portion provided with a draft passage portion (3) such as a groove formed to allow the air to flow downward.
a) a heat conducting plate (8b) formed by closing the rear part
A cooling plate (4) having a heat sink (8) having
A Peltier element (9) is interposed between the heat conduction plate (8b) and the heat conduction plate (8b), and the Peltier element (9) is attached to the front surface of the cooling radiator portion (8a).
a) and a cooling cap cooling device unit equipped with an axial fan motor (5) for sending air to the heat conduction plate (8b) and causing the air to flow therethrough by the airflow passage portion (3) and the same Form a cooling hat.

Description

[Detailed description of the device] [Industrial applications]

[0001] The present invention provides a cooling cap that is easily used for a hat such as a helmet, a cap, a hat, a visor, etc., and cools the forehead of a person wearing the cooling cap. The electronic cooling type cooling cap unit for cooling cap, which can be used as a cooling cap, which is related to a unit to be configured and a cooling cap using the unit, and in particular, a cap such as a helmet that does not allow holes to be formed on the surface of the cap according to standards. Regarding cooling hats such as Helmet equipped with it.

[0002]

[Prior art]

 A cooling hat that combines a hat and a percha element to cool the frontal region of the person wearing the hat is disclosed in Japanese Patent Application Laid-Open No. 194004/1992 disclosed by the applicant of the present application, and others. It is known from Japanese Patent No. 94609.

In these cooling hats, a cooling plate is provided on the portion of the hat that comes into contact with the front head of the person wearing the hat, a Peltier element is arranged on the surface portion, and a heat dissipation plate is attached on the surface portion. It has been configured.

According to such a cooling cap, since the back surface of the Peltier element is cooled, the cooling plate in contact with it becomes cold, and the front head in contact with the cooling plate feels cold, so this cooling cap is attached. Then, even in the suburbs, you can feel the coolness. Therefore, this cooling hat is alleged to give a comfortable feeling to those who play golf and other sports.

Although the cooling hat has certain advantages, there are still many points that must be improved in order to put it into practical use.

For example, when the cooling cap is used in hot weather, the cooling plate and the heat radiating plate are also affected by the direct sunlight, and if the cooling plate is slightly cooled by the Peltier element, the person wearing the cooling cap will be affected. It cannot be cooled to a comfortable temperature that you feel is sufficiently cool.

To further explain this, the surface of the Peltier element in contact with the cooling plate becomes cold, while the surface of the Peltier element in contact with the heat dissipation plate becomes hot. However, a heat sink made of aluminum or the like is simply attached to this hot Peltier element surface, and heat is saturated immediately, and sufficient heat cannot be dissipated, so the surface of the cooling plate in contact with the Peltier element is insufficient. As a result, the person who wears the cooling cap cannot feel comfortable and cool enough.

That is, it is because only the operation of the Peltier element is known, and no theoretical pursuit is made, and as a result, a cooling mechanism having a structure suitable for practical use is not configured.

Another problem is that the Peltier element is expensive, so that the cooling cap is also expensive, and that it is not possible to expect sufficient comfort in view of the price, the practical use of the conventional cooling cap is considered. Was hindering

In order to eliminate these drawbacks, the inventor of the present invention previously proposed a cap application, a hat, and a hat in a patent application [title of the invention: a hat equipped with a cooling radiator fan] filed on July 7, 1994. A cooling plate is attached to the hat so as to face the frontal part of the person wearing the hat such as a visor, and a through hole is provided in the flange provided on the front part of the hat, and the above-mentioned flange facing the through hole is provided. An axial fan motor is provided on the front surface, and a wind flow passage portion such as a slit for radiating heat from the air blown by the axial fan motor through the through hole to blow it toward the back surface of the collar. A heat sink attached to the back surface of the collar with the cooling radiator part formed on the cooling plate, the cooling radiator part facing the through hole, and the heat sink attached to the back surface part of the collar, and the rear part of the cooling plate and the front part of the cooling plate. Between the rear end faces of the heat conducting plate formed on the We proposed a hat [cooling hat] equipped with a cooling radiator fan equipped with an element (hereinafter referred to as the "prior invention").

According to the electronic cooling type cooling cap of the prior invention, when the switch (not shown) of the power battery is turned on, the axial fan motor rotates and the heat sink of the heat sink is passed through the through hole formed in the collar of the cap. Blow air to the cooling radiator.

[0012] The blown air is passed through the airflow passage portion of the cooling radiator and is blown to the front of the face of the person wearing the hat [hat wearing person], and at the same time, is accumulated in the heat conduction plate. Since the heat is radiated, the heat generated on the front surface of the Peltier element can be sufficiently radiated and the back surface of the Peltier element can be efficiently cooled, so that the cooling plate can be sufficiently cooled, and as a result, comfortable cool air can be obtained. Can be applied to the forehead.

Since the Peltier device is powered on (not shown), the cooling plate is cooled by the Peltier device. Since the cooling plate is cooled by the Peltier element, the front part of the head facing the back surface of the cooling plate (front surface facing the frontal part) is cooled, and the user feels sufficiently comfortable cooling air.

[0014]

[Challenges of device]

 The improved electronically-cooled cooling cap of the invention of the prior application has practically sufficient characteristics and is near the practical stage. However, this cooling cap has a structure in which a hole must be formed in the surface of the cooling cap. Therefore, in the case of a hat, such as a helmet, which does not have holes on the surface of the hat according to safety standards, it cannot be constructed as a cooling hat.

An object of the present invention is to provide an electronic cooling type cooling cap unit for a cooling cap and a helmet equipped with the cooling cap unit, which can form the cap into a cooling cap extremely easily and inexpensively without making a hole in the surface of the cap. The challenge was to obtain a cooling cap that does not require perforations on the surface.

[0016]

[Means for achieving the object of the invention]

 The problem to be solved by the present invention is to provide a cooling radiator 8a having a cooling plate 4 formed of a material having good thermal conductivity and a ventilation passage 3 such as a groove formed in the front to allow air to flow downward. And a heat sink 8 having a heat conducting plate 8b formed by closing the rear portion thereof, and a Peltier element 9 is interposed between the cooling plate 4 and the heat conducting plate 8b, and the above-mentioned cooling radiator portion 8a Provided is a cooling device unit for a cooling cap, which is attached to a front surface part and includes an axial fan motor 5 for blowing air to the airflow passage portion 3 and the heat conduction plate 8b to cause air to flow below the airflow passage portion 3. It can be achieved by doing.

Another problem is that when the hat 1 such as a helmet, a cap, a hat, and a visor is worn, the thermal conductivity is set so as to be in a position facing the front head 2a of the person 2 wearing the hat 1. It has a cooling plate 4 made of a good material, and has a cooling radiator 8a having a flow passage part 3 such as a groove formed in the front so as to allow the air to flow downward. A heat sink 8 having a conductive plate 8b is provided on the front surface of the Peltier element 9 via the Peltier element 9 between the cooling plate 4 and the heat conductive plate 8b so that the air flows under the heat sink 8. The air that has flowed through the heat conduction plate 8b and the air flow passage 3 through the air flow passage 3 such as a groove formed in the above is made to flow to the lower side of the heat sink 8 and the front surface of the cooling radiator 8a. Attached to the above A cooling cap such as a hermet having a cooling device unit for a cooling cap equipped with an axial fan motor 5 for blowing air to the upper portion 3 and the heat conducting plate 8b to cause the air to flow below the airflow passage portion 3. Can be achieved by providing.

[0018]

[Action]

 A cooling cap CH such as a helmet equipped with the cooling cap cooling unit CHU will be described. Considering a helmet made of resin as the cap 1, the cap cooling unit CHU can be used by an appropriate means. For example, the engaging portion 6a of the attachment plate 6 of the unit CHU is engaged with the band 10 provided so as to function as the bonnet on the inner surface of the cap 1.

When the unit CHU is engaged with the cap 1 in this way, the cap 1 is worn on the head, and the attachment plate 6 is pressed against the band 10 side by the forehead 2a. 1 is attached and held. When the unit CHU is mounted and held on the hat 1, the cooling plate 6 of the unit CHU is arranged at a position facing the front head 2a.

When a switch (not shown) of a power supply battery such as a dry battery or a solar battery attached to the hat 1 is turned on, the axial fan motor 5 rotates, and the cooling radiator portion 8a of the heat sink 8 and the cooling radiator. Air is blown to the airflow passage portion 3 such as a groove provided between the portions 8a (cooling radiator fins 8d) and the heat conducting plate 8b side of the rear portion.

The blown air passes through the airflow passage portion 3 of the cooling radiator portion 8a and is made to flow therebelow.

The air that has passed through the airflow passage portion 3 radiates the heat stored in the heat conduction plate 8b by the cooling radiator fin 8d of the cooling radiator portion 8a, so that the Peltier element 9 [not shown in the Peltier element 9 is shown. When the power is turned on, the heat generated on the front surface (front surface) is sufficiently radiated to efficiently cool the back surface (rear surface) of the Peltier element 9, so that the cooling plate 4 Can be cooled sufficiently.

Moreover, since the cooling radiator fin 8d is formed with a fine groove portion 8e on the side surface portion facing the flowing air passage portion 3 (see FIGS. 5 and 7), the cooling effect is further enhanced by this groove portion 8e. be able to.

Next, the cooling cap CH such as a helmet equipped with the cooling cap cooling device unit CHU will be described. Since the back surface of the cooling cap 4 can be efficiently cooled by the Peltier element 9 provided on the cooling cap 4 by the unit CHU. Can be cooled sufficiently.

The front surface of the cooling plate 4 facing the back surface portion (front surface facing surface) 4b of the cooling plate 4 is cooled by the Peltier element 9 because the front surface facing surface 4b thereof is cooled. 2a is cooled. As a result, comfortable cool air can be provided to the forehead 2a. Moreover, since the cooling radiator fin 8d has the groove 8e formed on the side surface facing the airflow passage portion 3, an efficient and comfortable cooling effect can be expected by the groove 8e.

[0026]

[First Embodiment of the Invention] FIG. 1 is an explanatory view of a cooling cap unit CHU for a cooling cap according to a first embodiment of the present invention when a cap 1 having a helmet selected is mounted, and FIG. 2 is mounted on the cap 1. Fig. 3 is a perspective view of the cooling cap cooling device unit CHU, Fig. 3 is a perspective view of the cooling cap cooling device unit CHU, Fig. 4 is a disassembled perspective view of the cooling cap cooling device unit CHU, and Fig. 5 is A cross-sectional view of the cooling device unit CHU for the cooling cap, FIG. 6 is a vertical cross-sectional view of the cooling device unit CHU for the cooling cap, and FIG. 7 is an external perspective view of the heat sink 8. Cooling will be described with reference to FIGS. 1 to 7 below. The cooling device CH for the cap and the cooling device unit CHU for the cooling cap attached to the cap 1 will be described for the cooling cap CH.

In the present invention, originally, as the hat 1, regardless of the shape as shown in FIGS. 1 and 2, at least with or without a cap body, a cap or a hat to be worn on or worn on the head. Including all hats, helmets, visors, etc.

In the case of the cooling hat cooling device unit CHU described below, since the helmet is selected as the hat 1, the electronic cooling type cooling hat CH will be described below as a cooling helmet. Although not shown, a power supply battery such as a solar battery or a dry battery is attached to the cooling cap CH by an appropriate means, and a power switch (not shown) of the power supply battery is attached by an appropriate means. As a result, an axial fan motor 5 and a Peltier element 9 which will be described later are activated.

First, the cooling hat cooling device unit CHU will be described. The heat sink 8 used for this is a heat radiator 8a provided in the front part and a heat radiator provided in the rear part as shown in FIGS. It is made of a conductive plate 8b and is made of a material having a high thermal conductivity such as aluminum or its alloy in order to enhance the heat radiation effect.

The principle of the Peltier device 9 will be briefly described in advance, but since the details have already been described in the application documents already filed by the applicant of the present invention, detailed matters will not be described in the application. Please refer to the items disclosed.

In order to enhance the cooling effect, the Peltier element 9 needs to be provided with a cold junction portion for absorbing heat on the front surface thereof, and this is the function of the cooling plate 4.

Here, when a power switch (not shown) of a DC power source (corresponding to a dry cell or a solar cell attached to the cap 1) is turned on to supply a current to the electric conductor of the Peltier element 9, the cooling plate 4 is When an electron flows from one semiconductor to the other, it transitions from a low energy state to a high energy state, and energy is absorbed by the electron in the form of heat. That is, the Peltier element 9 exhibits a phenomenon in which, when one surface is cooled, the other surface absorbs the heat of the one surface and becomes hot.

The power supply supplies energy for causing the flow of electrons, and the heat sink 8 made of, for example, aluminum or magnesium, which has a high thermal conductivity and becomes a hot junction, functions as an axial fan motor 5. Releases extra heat to the outside.

As described above, the Peltier element 9 is a solid-state heat pump, does not use a liquid or gas, and has no moving parts. Therefore, there is an advantage that the electron-electric heat conversion device can be configured very easily.

The semiconductor is generally a bismuth telluride semiconductor, and is composed of two types of elements, an excess electron N type (N type semiconductor) and an insufficient electron P type (P type semiconductor) due to impurity doping. It is configured. Both surfaces of the Peltier element 9 are formed of an electrical insulator such as alumina / ceramics.

That is, the Peltier element 9 is made by joining an excess electron N type (N type semiconductor) and a deficient electron P type (P type semiconductor) with a metal piece, that is, an electric conductor. When the excess electron N-type (N-type semiconductor) is made to flow into the electron-deficient P-type (P-type semiconductor), the excess electron N-type (N-type semiconductor) flows in the direction opposite to the direction of the current, and the electron-deficient P-type (P-type semiconductor) In, the heat is transferred in the forward direction, the cooling plate 4 is cooled, and heat is taken from the surroundings. When the heat of the electric conductor on the high temperature side, that is, the axial fan motor 5 side is efficiently radiated, the heat is continuously pumped from the low temperature side to the high temperature side.

As described above, the heat formed by the cold plate 4 serving as a cold junction is pumped to the heat sink 8 serving as a hot junction, and the amount thereof is the carrier current flowing through the circuit and the number of couplers. Proportional to.

Therefore, the Peltier elements 9 that are actually used are electrically connected in series and thermally connected in parallel.

Next, the cooling cap cooling unit CHU will be described.

The cooling plate 4 is formed of a metal such as aluminum having good thermal conductivity, and is cooled so that the front head-facing surface (rear surface) 4b of the cooling plate 4 comes to the surface facing the front head 2a. In order to attach the cooling device unit CHU for a hat to the hat 1, the cooling plate 4 has a substantially bow-and-arrow shape that is warped toward the frontal head 2a so that the shape viewed from above matches the shape of the frontal head 2a. Are formed.

The cooling plate 4 is provided with screw insertion through holes 13 at two positions on the left and right of the central part in order to integrate the heat insulating plate 11, the attachment plate 6 and the heat sink 8 with screws 12 by screwing. are doing.

A plate-shaped Peltier element 9 is attached to the central portion of the surface portion 4a of the cooling plate 4 with an adhesive having good thermal conductivity or a double-sided adhesive tape having good thermal conductivity.

A notch 14 for accommodating the Peltier element 9 is formed in the central portion of the surface portion 4 a of the cooling plate 4, and a through hole is formed at a position facing the through holes 13 on the left and right of the notch portion 14. A heat insulating plate 11 on which 15 is formed is attached by means of an adhesive or the like, and the Peltier element 9 is housed and arranged in the cutout portion 14. The heat insulating plate 11 has a shape and a size that can block the exposed surface portion of the cooling plate 4 in order to prevent cool air from escaping from the exposed surface portion of the cooling plate 4 and deteriorating the cooling effect. Has become.

On the upper surface (front surface) of the heat insulating plate 11, an attachment plate 6 having a Peltier element housing through hole 16 facing the notch 14 is attached by means to be described later, and the Peltier element housing The Peltier element 9 is housed in the through hole 16. Through holes 17 are formed on both sides of the through hole 16 at positions facing the through hole 15 of the attachment plate 6. The attachment plate 6 is formed to have a width narrower than that of the cooling plate 4 and the heat insulating plate 11. The attachment plate 6 is formed so as to be extended to the upper portion so that the top portion thereof functions as a bonnet provided on the inner surface of the hat 1. A bent engaging portion 6a for engaging with the ridge is formed. When the cooling cap CH is put on the head by engaging the bent engaging portion 6a with the band 10, the attachment plate 6 is pressed against the band 10 side by the front head 2a, and the unit CHU is attached. When the unit CHU is mounted and held on the cap 1 and the unit CHU is mounted and held on the cap 1, the cooling plate 6 of the unit CHU is arranged at a position facing the forehead 2a.

As shown in FIGS. 4 and 7, the heat sink 8 is composed of a cooling radiator 8a provided in the front part and a heat conduction plate 8b provided in the rear part, and is made of aluminum or its alloy in order to enhance the heat radiation effect. It is made of a material with good thermal conductivity. In this heat sink 8, a screw hole 18 is formed in the heat conducting plate 8b portion facing the through hole 17.

The heat sink 8 has a plurality of cooling radiator fins 8d integrally formed on the front surface of the heat conducting plate 8b so as to form a cooling radiator portion 8a at a front portion thereof. The cooling radiator fins 8d form a wind between the cooling radiator fins 8d. The airflow passage portion 3 for flowing downward is formed, and the groove 8e for enhancing the heat radiation effect is formed on the side surface of the cooling radiator fin 8d facing the airflow passage portion 3.

The rear end portion 8c of the heat sink 8 (heat conduction plate 8b) is adhered to the surface portion of the Peltier element 9 by using an adhesive having good thermal conductivity or a double-sided adhesive tape. The heat generated on the surface portion is radiated through the heat conducting plate 8b by the cooling radiator portion 8a formed by the plurality of cooling radiator fins 8d.

The airflow flowing through the airflow passage portion 3 serves to carry out the heat radiated by the cooling radiator fins 8d to the outside. Therefore, if the airflow flows above the airflow passage portion 3, the cap may not flow. Since it will flow into the inside of 1 and it is not desirable, it must always flow downward. Therefore, the depth of the air flow passage portion 3 is formed so that the upper portion is very shallow and the depth is gradually increased toward the lower side so as to extend in the forward direction of the cooling radiator fins 8 d. That is, when viewed from the side, the heat sink 8 is formed in a triangular shape so that the cooling radiator fin 8d spreads downward, and an inclined surface is formed on the front surface of the heat sink 8. If such an inclined surface is formed and the axial fan motor 5 is arranged on this surface as described later, the air passage section 3 is closed with a path through which air flows upward, and only the air flows downward. It will start to flow.

An axial fan motor (DC brushless axial fan motor is most suitable) 5 is arranged on the inclined surface of the heat sink 8. The axial fan motor 5 is arranged on the inclined surface of the heat sink 8 so as to suck air from the front direction and blow the air in the axial direction, that is, the direction of the flowing air passage 3. A fan guard made of wire or the like is provided on the front surface of the axial fan motor 5 for safety, but the fan guard is omitted for convenience of the drawing.

Since the axial flange fan motor 5 has a through hole in the corner flange 19 for fixing in the axial direction, a screw hole (not shown) is provided in the heat conducting plate 8b portion facing the through hole. The screw 20 is inserted into the through hole formed in the corner flange 19 and is screwed into the screw hole formed in the heat conduction plate 8b, so that the axial fan motor 5 is attached to the inclined surface of the front surface of the heat sink 8. Can be provided, and the wind is sucked in from the front direction and blown in the direction of the flowing air passage portion 3, and the air flows under the flowing air passage portion 3.

As the axial fan motor 5, there are various structures and an appropriate one may be used. In this embodiment, an axial air gap type structure as shown in FIGS. 5 and 6 is used. ing. Since the axial fan motor 5 is not the purpose of this invention, detailed description thereof will be omitted and only the names of the respective parts will be described. Reference numeral 21 is an impeller, 22 is a fan motor casing, 23 is a motor installation portion, 24 is a through hole, 25 is a rotating fan, 26 is a rotor yoke, 27 is a field magnet, 28 is a shaft, 29 is a bearing house, and 30 is Reference numeral 31 is a ball bearing, 31 is a sliding bearing, 32 is an air-core type armature coil that constitutes a stator armature, 33 is a stator yoke, and 34 is a printed wiring board.

The through holes 13, 15, 17 and the screw hole 18 are aligned with each other, the screw 12 is inserted from the rear end surface side of the cooling plate 4, and the screw 12 is screwed into the screw hole 18 to thereby cool the cooling plate. 4, the heat insulating plate 11, the attachment plate 6 and the heat sink 8 are integrated.

[0053]

[Second Embodiment] FIG. 8 is an external perspective view of a cooling cap cooling device unit CHU 'as a second embodiment of the present invention, and FIG. 9 is a cross-sectional view of the cooling cap cooling device unit CHU'. FIG. 10 is a vertical cross-sectional view of the cooling cap cooling device unit CHU ′. Referring to FIGS. 8 to 10, a cooling cap cooling device unit CHU ′ according to a second embodiment will be described. The difference is that the attachment plate 6 is simply omitted, and the others are the same.

As described above, according to the unit CHU ′ without the attachment plate 6, even in the case of a cap of other kind or structure without the band 10, as long as such a unit CHU ′ is provided, the cap By providing a mounting portion for the unit CHU 'on the other side, or by using other means for engaging and attaching the cap and the unit CHU', it is easy to adapt to various structures and types of caps. A cooling helmet or a cooling hat equipped with the unit CHU 'can be easily obtained at low cost.

[0055]

【effect】

 According to the present invention, the unit for a cooling cap can be constructed with an extremely simple structure, and the weight can be reduced. Therefore, even if the cooling cap is constructed, there is no discomfort, and it is possible to efficiently and coolly feel the coolest. Since the forehead can be cooled, it is possible to easily and inexpensively provide a cooling hat having a practical effect.

[Brief description of drawings]

1 is an explanatory view of a cooling hat cooling device unit CHU as a first embodiment of the present invention is attached to the hat 1 selected helmet. 2 is an explanatory diagram of the position of the cooling hat cooling device unit CHU when attached to the hat 1. 3 is an external perspective view of the cooling device unit CHU for the cooling cap. 4 is an exploded perspective view of the cooling device unit CHU for the cooling cap. 5 is a cross-sectional view of the cooling device unit CHU for the same cooling cap. 6 is a longitudinal sectional view of the cooling device unit CHU for the same cooling cap. 7 is an external perspective view of the heat sink 8. 8 is an external perspective view of a cooling cap cooling device unit CHU as a second embodiment of the present invention. 9 is a cross-sectional view of the cooling device unit CHU for the cooling cap. 10 is a vertical cross-sectional view of the cooling device unit CHU for the cooling cap.

[Explanation of symbols and symbols]

CHU, CHU 'Cooling unit for cooling cap CH Helmet equipped with cooling unit for cooling cap 1 Hat (helmet) 2 Person who wears hat (head) 2a Frontal head 3 Breeze passage 4 Cooling plate 4a Surface Part 4b Front face facing surface (back face) 5 Axial fan motor 6 Attachment plate 6a Engagement part 8 Heat sink 8a Cooling radiator part 8b Heat conduction plate 8c Rear end face 8d Cooling radiator fin 8e Groove part 9 Peltier element 10 Band 11 Insulation plate 12 screw 13 through hole for screw insertion 14 notch for storing Peltier device 15 through hole 16 through hole for storing Peltier device 17 through hole 18 screw hole 19 corner flange 20 screw 21 impeller 22 fan motor casing 23 motor installation portion 24 through hole 25 rotating fan 26 rotor yoke 27 field magnet 28 shaft 29 Bearing House 30 Ball Bearing 31 Sliding Bearing 32 Air-Core Type Armature Coil 33 Stator Yoke 34 Printed Wiring Board

Claims (2)

[Scope of utility model registration request] 1. A cooling cap unit for a cooling cap, comprising the following components or elements. It must be equipped with a cooling plate (4) made of a material with good thermal conductivity. Cooling radiator part (8a) having a front part provided with a draft passage part (3) such as a groove formed so that air flows downward.
And a heat sink (8) having a heat conducting plate (8b) formed by closing the rear part thereof. A Peltier element (9) is interposed between the cooling plate (4) and the heat conduction plate (8b). It is attached to the front surface of the cooling radiator section (8a), and the flowing air passage section (3) and the cooling radiator section (8) are attached.
a) and an axial fan motor (5) for sending air to the heat conduction plate (8b) and causing the air to flow thereunder by the airflow passage portion (3). 2. A cooling cap such as a helmet having a cooling device unit for a cooling cap according to claim 1, wherein the cooling cap is formed by including the following components. When wearing a hat (1) such as a helmet, a cap, a hat, a visor, etc., it has good thermal conductivity so as to come to a position facing the forehead (2a) of the person (2) wearing the hat (1). The hat is equipped with a cooling plate (4) made of a material. Cooling radiator part (8a) having a front part provided with a draft passage part (3) such as a groove formed so that air flows downward.
And a heat sink (8) having a heat conducting plate (8b) closed at the rear part, the cooling plate (4) and the heat conducting plate (8).
b) and a ventilation passage portion (3) such as a groove provided on the front surface of the Peltier element (9) via a Peltier element (9) so as to allow air to flow under the heat sink (8). ) Through the heat conduction plate (8b) and the airflow passage portion (3) via the heat conducting plate (8b). An axial flow that is attached to the front surface of the cooling radiator portion (8a) and blows air to the airflow passage portion (3) and the heat conduction plate (8b) to cause air to flow under the airflow passage portion (3). Must have a fan motor (5).