JP2017226942A - Cool air supply device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cool air supply device that can efficiently cool a head part of a user by a simple configuration.SOLUTION: A cool air supply device 10 includes a compressor 15, a chiller 16 and expansion means 17 as an air refrigeration cycle for cooling air taken from the outside of a motorcycle 30. Cool air passed through the expansion means 17 is blown to a helmet 13 via a hose 12. Thus, a head part of a user 11 wearing the helmet 13 is efficiently cooled and comfort and safety during driving are improved.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a cold air supply apparatus, and more particularly, to a cold air supply apparatus that supplies cold air to a helmet worn by a user on a head.

  In general, a passenger who rides a motorcycle such as a motorcycle wears a helmet on his head in order to improve safety during traveling. Moreover, in order to protect a passenger | crew's head, the protective layer which consists of thick urethane etc. is formed in the inside of a helmet, and the protective layer is closely_contact | adhered to the user's head surface. Therefore, especially in the summer, the inside of the helmet becomes hot, which not only increases the discomfort of the passenger's head, but also may lead to a dangerous driving situation due to the reduced concentration of the passenger. Yes.

  Therefore, in order to cope with such a problem, an air conditioner for cooling a helmet worn by a passenger who rides on a motorcycle has been developed.

  Such an air conditioner provided in a motorcycle is described in Patent Document 1, for example. With reference to FIG. 5, the configuration of this type of motorcycle 100 will be described. Here, the motorcycle 100 includes an air conditioner 101, and an air supply pipe 103 and an air recovery pipe 104 that connect the air conditioner 101 and the helmet 102. The air supply pipe 103 and the air collection pipe 104 are detachably connected to the rider 105 wearing the helmet 102.

  When the air conditioner 101 mounted on the motorcycle 100 operates, the air cooled by the air conditioner 101 is supplied to the helmet 102 via the air supply pipe 103, thereby cooling the head of the rider 105. The The cooled air returns from the helmet 102 to the air conditioner 101 via the air recovery pipe 104. By such an operation, the head of the rider 105 riding on the motorcycle 100 is cooled, the comfort of the rider 105 is improved, and the reduction of the concentration of the rider 105 is suppressed, so that the safety at the time of boarding can be improved. .

JP-A-10-129248

  However, since the air conditioner 101 described above includes an evaporator that performs heat exchange between the refrigerant and the air, there is a problem that the entire apparatus is complicated and heavy.

  Further, in the air conditioner 101 described above, since the air conditioner 101 and the helmet 102 are connected by the air supply pipe 103 and the air recovery pipe 104, the configuration of the entire apparatus for air conditioning becomes complicated. Furthermore, since the air supply pipe 103 and the air recovery pipe 104 must be connected when the rider 105 gets on the motorcycle 100, there is a problem that the connection work is complicated for the rider 105.

  Furthermore, since the air conditioner 101 for a motorcycle described above circulates cold air via the air supply pipe 103 and the air recovery pipe 104, there is a problem that the cold air introduced into the helmet 102 is not necessarily clean.

  This invention is made | formed in view of said situation, The place made into the objective is providing the cold air supply apparatus which can cool a user's head efficiently with a simple structure.

  The cold air supply apparatus according to the present invention is a cold air supply apparatus that supplies cooled air to a helmet worn by a user on a head, and blows the air cooled in an air refrigeration cycle to the helmet. .

  Furthermore, in the cold air supply apparatus of the present invention, the air refrigeration cycle includes a compressor that compresses the air, a cooler that cools the compressed air, and an expansion unit that expands the cooled air. The inflated air is blown to the helmet.

  Furthermore, in the cold air supply apparatus of the present invention, further comprising a hose that guides the air expanded by the expansion means to the helmet, and when a load of a certain level or more is applied to a connection portion between the hose and the helmet, The hose is separable from the helmet.

  Furthermore, in the cold air supply apparatus according to the present invention, the compressor, the cooler, and the expansion means are arranged in a moving device on which the user rides.

  Furthermore, in the cold air supply apparatus of the present invention, the compressor, the cooler, and the expansion means are configured as an apparatus carried by the user.

  Furthermore, in the cold air supply apparatus of the present invention, a ventilation path is formed in the helmet to distribute the air blown through the hose inside the helmet.

  The cold air supply apparatus according to the present invention is a cold air supply apparatus that supplies cooled air to a helmet worn by a user on a head, and blows the air cooled in an air refrigeration cycle to the helmet. . Therefore, by supplying cold air cooled by an air refrigeration cycle with excellent cooling efficiency to the helmet, it becomes possible to cool the inside of the helmet efficiently, and even under circumstances where the energy supply is limited, It is possible to improve the comfort and safety of the user by suppressing the temperature rise inside.

  Furthermore, in the cold air supply apparatus of the present invention, the air refrigeration cycle includes a compressor that compresses the air, a cooler that cools the compressed air, and an expansion unit that expands the cooled air. The inflated air is blown to the helmet. Therefore, since the air that has been cooled by the cooler and then expanded by the expansion means is blown to the inside of the helmet, the cooled air is efficiently supplied to the helmet without using a refrigerant that is required in a normal refrigeration cycle. Can blow.

  Furthermore, in the cold air supply apparatus of the present invention, further comprising a hose that guides the air expanded by the expansion means to the helmet, and when a load of a certain level or more is applied to a connection portion between the hose and the helmet, The hose is separable from the helmet. Therefore, when a situation occurs such that the mobile device on which the user is riding falls, an accident caused by the helmet being pulled by the hose can be suppressed by separating the hose from the helmet.

  Furthermore, in the cold air supply apparatus according to the present invention, the compressor, the cooler, and the expansion means are arranged in a moving device on which the user rides. Therefore, by arranging the compressor, cooler and expansion means in the moving device, there is no need for the user to carry these devices on the back, and the compressor is operated from the power source such as the battery or generator of the moving device. Power to be obtained.

  Furthermore, in the cold air supply apparatus of the present invention, the compressor, the cooler, and the expansion means are configured as an apparatus carried by the user. Therefore, the user can carry out work and the like while carrying an air refrigeration cycle including a compressor and the like, and can improve comfort and safety during the work of the user.

  Furthermore, in the cold air supply apparatus of the present invention, a ventilation path is formed in the helmet to distribute the air blown through the hose inside the helmet. Therefore, since cold air distribute | circulates the inside of a helmet favorably, a user's head can be cooled efficiently and a feeling of comfort can be raised further.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the motorcycle provided with the cold air supply apparatus which concerns on embodiment of this invention, (A) is a side view, (B) is a top view. It is a side view showing a motorcycle provided with a cold air supply device according to an embodiment of the present invention. It is a figure which shows the helmet used for the cold air supply apparatus which concerns on embodiment of this invention, (A) is a side view, (B) is an enlarged side view. It is a side view which shows the example to which the cold air supply apparatus which concerns on embodiment of this invention was applied by the carrying system. It is a side view which shows the motorcycle provided with the cooling device concerning background art.

  Hereinafter, the configuration of the cold air supply apparatus 10 of the present embodiment will be described with reference to the drawings. In the following description, the external air before being taken into the cold air supply device 10 is referred to as “outside air”, and the air before being expanded by the cold air supply device 10 is simply referred to as “air” and is expanded by the cold air supply device 10. The latter air may be referred to as “cold air”.

  FIG. 1 shows a configuration of a motorcycle 30 in which the cold air supply device 10 of this embodiment is incorporated. FIG. 1A is a side view of the motorcycle 30 and FIG. 1B is a top view of the motorcycle 30.

  Referring to FIG. 1A, a motorcycle 30 is a moving device that rotates a rear wheel with the driving force of an engine, and moves the user 11 to a target location when the user 11 who rides steers the steering wheel. It is. Here, the user 11 may be called a rider or a passenger.

  The user 11 who rides on the motorcycle 30 wears a helmet 13 on his head in order to further improve safety according to the regulations of the Road Traffic Law. Here, although the full face type helmet which protects the user's 11 head as a whole is illustrated as the helmet 13, the thing of another form may be employ | adopted. For example, the cold air supply apparatus 10 of this embodiment can be applied to a cap-type helmet that covers only the upper part of the head of the user 11.

  In this embodiment, in order to suppress the temperature rise of the helmet 13 during use, the cold air supply device 10 that blows cold air into the helmet 13 is disposed in the motorcycle 30.

  The air refrigeration cycle incorporated in the motorcycle 30 in this embodiment is a so-called open type, and does not use a refrigerant used in a normal refrigeration cycle. In the air refrigeration cycle of this embodiment, the air cooled in the refrigeration cycle is supplied to the helmet 13 as it is. Therefore, as compared with a normal refrigeration cycle using a refrigerant for transporting heat energy, the air refrigeration cycle of this embodiment does not require an evaporator, and thus has a simple configuration. Further, in a general refrigeration cycle, heat is exchanged between refrigerant and air in an evaporator. In the air refrigeration cycle used in this embodiment, the air cooled by the cooler 16 is expanded as will be described later. After the pressure is reduced to 17, the air is blown to the helmet 13 as it is. Therefore, in this embodiment, the cool air supplied to the helmet 13 can be efficiently cooled.

  In this embodiment, the helmet 13 worn by the user 11 and the motorcycle 30 communicate with each other via the hose 12. The hose 12 is a flexible tubular member made of, for example, a resin material. A rear end portion thereof is connected to the motorcycle 30 and a front end portion thereof is connected to a rear portion of the helmet 13. The length of the hose 12 is set to such an extent that it can connect the vicinity of the rear end of the motorcycle 30 and the rear portion of the helmet 13 and does not hinder the driving operation of the user 11 during traveling. Further, the connecting portion 14 between the hose 12 and the helmet 13 includes a lock mechanism that holds the inserted state when the hose 12 is inserted into the helmet 13. Further, such a locking mechanism may be provided at the connection portion 28 between the hose 12 and the motorcycle 30.

  The connecting portion 14 that connects the hose 12 and the helmet 13 is configured to be fragile so that, for example, when a fall accident occurs, the connection between the two is released. By doing in this way, even if a fall accident occurs while the motorcycle 30 is traveling, the connection between the hose 12 and the helmet 13 is released by the impact or tensile force acting on the connection portion 14 at the time of the fall. Therefore, when a fall accident occurs, the user 11 is prevented from being pulled by the motorcycle 30 via the hose 12. This matter will be described later as the configuration of the helmet 13.

  The above-described cold air supply apparatus 10 operates as follows. First, when boarding the motorcycle 30, the user 11 causes the cold air supply device 10 provided in the motorcycle 30 and the helmet 13 to communicate with each other via the hose 12. Next, the operation of the cold air supply device 10 mounted on the motorcycle 30 is started by operating a switch or the like provided in the motorcycle 30, and cold air is supplied from the cold air supply device 10 to the helmet 13. The specific operation of the cold air supply apparatus 10 will be described later with reference to FIG.

  With reference to FIG. 2, the structure of the cold air supply device 10 mounted on the motorcycle 30 of this embodiment will be described in detail.

  The cold air supply apparatus 10 includes a compressor 15, a cooler 16, and an expansion means 17 as an air refrigeration cycle for cooling air taken from the outside of the motorcycle 30. The compressor 15 is brought into a high-temperature and high-pressure state by compressing the air acquired at the intake port 23. The cooler 16 is brought into a low-temperature and high-pressure state by exchanging heat from the air sent from the compressor 15 with the outside. The expansion means 17 expands the air sent from the cooler 16 to make the air cool in a low temperature and low pressure state. The cold air that has been brought into the low-temperature and low-pressure state by the expansion means 17 is blown to the helmet 13 via the hose 12 as described above.

  The members constituting the cool air supply device 10 are connected to each other by an air passage 27 that allows the cool air to pass therethrough. Specifically, the intake port 23, the compressor 15, the cooler 16, the expansion means 17, and the connection portion 28 are connected by the air passage 27 in this order. The air path 27 is made of, for example, a synthetic resin pipe-shaped member.

  The intake port 23 is an opening through which air blown to the helmet 13 is taken from the outside. The intake port 23 is disposed at a position where hot air from an engine (not shown) or the radiator 24 provided in the motorcycle 30 does not flow. For example, the intake port 23 can be attached to a front portion of the engine and the radiator 24 not shown here. Thereby, since the air close to the outside air temperature before being heated by the engine and the radiator 24 not shown can be taken in from the intake port 23, the temperature of the cold air blown to the helmet 13 can be efficiently reduced. . The intake port 23 may be disposed on the side of the engine and the radiator 24 (not shown) when the motorcycle 30 is viewed from the traveling direction. Also by doing in this way, the outside air which is not heated by the engine and the radiator 24 which are not illustrated can be taken in from the inlet 23. Furthermore, considering that the air heat-exchanged by the cooler 16 is also in a relatively high temperature state, the intake port 23 is preferably attached to the front or side of the cooler 16.

  The compressor 15 is a so-called compressor, and compresses the air taken in from the intake port 23 into a high temperature and high pressure state. As a drive source for driving the compressor 15, for example, an engine or a motor for driving the motorcycle 30 can be employed. The cold air supply apparatus 10 of this embodiment does not cool the air until it is liquefied, but cools the air supplied to the helmet 13 to, for example, 0 ° C. to 10 ° C. Accordingly, since the compressor 15 does not require a large compression ratio, a relatively small compressor 15 can be employed. The position of the compressor 15 is preferably in the vicinity of the cooler 16 in order to improve the efficiency of the air refrigeration cycle, and specifically, the front of the connecting portion 14 formed in the helmet 13 is preferable.

  The cooler 16 is introduced with air that has been heated to high pressure and high pressure by the compressor 15, and heat is exchanged between the air and the outside to bring the air into a low temperature and high pressure state. Since the cooler 16 performs heat exchange with the outside in this manner, the position of the cooler 16 is preferably a position that is not affected by hot air heated by the engine or the radiator 24. A specific position of the cooler 16 is preferably in front of or on the side of the engine and the radiator 24 (not shown). By doing in this way, without being influenced by the warm air generated from the engine and the radiator 24, the cooler 16 can efficiently release the heat energy from the high-temperature and high-pressure air to the outside air.

  The expansion means 17 is composed of, for example, an expansion valve or a capillary tube, and the low-temperature and high-pressure air sent from the cooler 16 is brought into a low-temperature and low-pressure state. The temperature of the air before being expanded by the expansion means 17 is higher than the outside air temperature, but the temperature of the air after being expanded by the expansion means 17 is lower than the outside air temperature. The place where the expansion means 17 is disposed is the main body of the motorcycle 30, the hose 12, or the helmet 13. Here, if the length of the path from the expansion means 17 to the helmet 13 becomes long, the air blown through the path is heated, and there is a possibility that the sufficiently cooled air cannot be supplied to the helmet 13. Therefore, in order to improve thermal efficiency, the expansion means 17 should be arranged close to the helmet 13. For this purpose, the expansion means 17 is preferably arranged in the vicinity of the rear end of the motorcycle 30. Furthermore, the expansion means 17 can be arranged inside the hose 12 or inside the helmet 13. Further, in the vicinity of the expansion means 17, a separation demister for escaping cooling water generated by operating the refrigeration cycle to the outside is provided.

  The control device 18 is, for example, a CPU (Central Processing Unit), and controls the operation of the cold air supply device 10 described above. Specifically, the control device 18 operates the cold air supply device 10 based on an instruction from the user 11 or the like. As an instruction from the user 11, for example, it is conceivable that the user 11 presses a control button (not shown) provided on the motorcycle 30. Moreover, the control apparatus 18 may change the driving | running state of the cold air supply apparatus 10 according to conditions, such as external temperature. Specifically, if the outside air temperature measured by a temperature sensor (not shown) is high, the controller 18 increases the amount of cool air blown to the helmet 13 in order to cool the inside of the helmet 13 more actively. It may be.

  As described above, the open-type cold air supply apparatus 10 according to the present embodiment has a simple structure and a light weight without an evaporator as compared with a normal refrigeration cycle in which a cooling operation is performed by circulating a refrigerant. Therefore, it is suitable as a refrigeration cycle mounted on a compact motorcycle 30.

  In addition, the cold air supply apparatus 10 using the open-type air refrigeration sille of the present embodiment has an excellent coefficient of performance (COP) as compared with a general refrigeration cycle. The reason is that, in a general refrigeration cycle, a heat energy loss occurs when heat is exchanged between the refrigerant and air in an evaporator. However, in the air refrigeration cycle of this embodiment, the expanded air is used as it is. This is because such a loss does not occur. For this reason, it is possible to employ a compressor having a relatively small output as the compressor 15 for compressing air, and the entire cold air supply apparatus 10 can be reduced in weight and cost.

  Furthermore, in this embodiment, the air taken from the intake port 23 is cooled by the cold air supply device 10 and blown to the helmet 13, and the air after cooling the head of the user 11 is discharged from the helmet 13 to the outside. Yes. Therefore, since the fresh air taken in from the outside through the intake port 23 is blown to the helmet 13, the internal environment of the helmet 13 can be kept clean.

  With reference to FIG. 3, the structure of the helmet 13 to which the cold air cooled by the above-described air refrigeration cycle is supplied will be described in detail. FIG. 3A is a cross-sectional view showing the helmet 13 mounted, and FIG. 3B is an enlarged cross-sectional view showing the connection portion 14 and its peripheral portion in an enlarged manner.

  Referring to FIG. 3A, the helmet 13 is attached to the inside of the liner 21, the helmet shell 20 made of a hard synthetic resin, the liner 21 made of foamed resin attached to the inside of the helmet shell 20, and the liner 21. And a cushion 22 made of urethane foam. At the lower end of the helmet 13, an opening 34 for inserting and removing the user's head 19 is formed. Further, in this embodiment, a connection portion 14 for connecting the hose 12 for supplying cold air and the helmet 13 is formed in the lower rear portion of the helmet 13.

  In this embodiment, the ventilation path 25 is formed in the cushion 22 of the helmet 13 in order to spread the cold air inside the helmet 13 as a whole. Here, the ventilation path 25 is indicated by a thick dotted line. The ventilation path 25 may be formed in a pipe shape inside the cushion 22 or may be a groove in which the inner wall of the cushion 22 is continuously depressed. Moreover, the ventilation path 25 may be radially formed so that it may spread toward the circumference | surroundings of the helmet 13 from the connection part 14, may be formed in a grid | lattice form so that it may mutually cross, and the shape which combined both may be sufficient as it. good. By forming the ventilation path 25 inside the helmet 13 as described above, the cold air blown from the connection portion 14 to the helmet 13 is distributed throughout the interior of the helmet 13 via the ventilation path 25, so that the user The head 19 is efficiently cooled.

  A ventilation path 26 having the same configuration as the ventilation path 25 described above is formed in the vicinity of the opening 34 formed in the lower portion of the helmet 13. By forming the ventilation path 26, the air that has cooled the head of the user 11 can be discharged to the outside through the ventilation path 26. The ventilation path 26 is formed continuously from the inside of the helmet 13 to the opening 34. Further, as the shape of the ventilation path 26, an inclined shape in which a lower portion thereof is inclined rearward can be employed so that air discharge is not inhibited by the wind pressure when the motorcycle 30 travels.

  With reference to FIG. 3 (B), the connection part 14 in which the hose 12 is connected to the helmet 13 is demonstrated. The connecting portion 14 is formed of a socket portion 32 formed at the rear end portion of the helmet 13 and a plug portion 31 attached to the tip end of the hose 12. By inserting the plug portion 31 into the socket portion 32, the hose 12 and the helmet 13 communicate with each other.

  The connecting portion 14 may be provided with an engaging portion (not shown) that engages the plug portion 31 when the plug portion 31 is inserted into the socket portion 32. For example, the engagement portion includes an engagement claw portion (not shown) formed in the vicinity of the distal end portion of the plug portion 31 and an engagement recess portion (not shown) provided in the socket portion 32. And if the plug part 31 is inserted in the socket part 32, it is comprised so that an engaging claw part may engage with an engaging recessed part. By doing in this way, it can control that hose 12 detaches from helmet 13 under use conditions.

  Further, the engaging portion described above may be formed so as to be brittle so that the hose 12 is detached from the helmet 13 when an accident such as the user 11 falls. For example, you may comprise the above-mentioned engagement nail | claw part so that it may fracture | rupture when a load more than fixed is applied. By doing in this way, when an accident occurs, for example, when the motorcycle 30 on which the user 11 rides falls, the hose 12 is detached from the helmet 13 by breaking the engaging claw portion described above. Therefore, the user 11 is prevented from being pulled by the fallen motorcycle 30 via the hose 12. Here, the above-mentioned weak part may be formed in addition to the connection part 14, and for example, the weak part may be formed by making the middle part of the hose 12 easier to break than the other part.

  With reference to FIG. 4, the case where the user 11 carries the cold air supply apparatus 10 of this form is demonstrated. Here, the cold air supply device 10 is stored in the storage body 35 carried by the user 11. That is, the user 11 carries each member which comprises the cool air supply apparatus 10, such as the compressor 15, the cooler 16, and the expansion means 17 shown in FIG. Further, the storage body 35 also stores a battery, a motor, and the like for driving the cold air supply device 10. The cool air supply device 10 provided in the storage body 35 is connected to the connection portion 14 formed at the rear portion of the helmet 13 via the hose 12. When the cold air supply device 10 stored in the storage body 35 is operated, the cold air cooled by the cold air supply device 10 is blown to the helmet 13 via the hose 12 to cool the head of the user 11. be able to.

  As an application field of the cold air supply apparatus 10 having such a configuration, for example, an agricultural field or a construction field in which an operator performs work while wearing the helmet 13 outdoors can be considered. In particular, workers engaged in the field in the summer work in a state where the helmet 13 is worn, for example, in an atmosphere of 30 ° C. or higher. May be difficult. The cold air supply apparatus 10 according to the present embodiment is portable because it has a compact configuration, and can supply sufficiently cooled cold air to the helmet 13 without impeding the workability of the user 11 who is an operator. The head can be cooled sufficiently.

  As mentioned above, although embodiment of this invention was shown, this invention is not limited to the said embodiment.

DESCRIPTION OF SYMBOLS 10 Cold-air supply apparatus 11 User 12 Hose 13 Helmet 14 Connection part 15 Compressor 16 Cooler 17 Expansion means 18 Control apparatus 19 User head 20 Helmet shell 21 Liner 22 Cushion 23 Inlet 24 Radiator 25 Ventilation path 26 Ventilation path 27 Air passage 28 Connection portion 30 Bike 31 Plug portion 32 Socket portion 34 Opening portion 35 Storage body 100 Bike 101 Air conditioner 102 Helmet 103 Air supply pipe 104 Air recovery pipe 105 Rider

Claims (6)

A cold air supply device that supplies cooled air to a helmet worn by a user on the head,
A cold air supply apparatus that blows the air cooled in an air refrigeration cycle to the helmet. The air refrigeration cycle includes a compressor that compresses the air, a cooler that cools the compressed air, and expansion means that expands the cooled air.
The cold air supply apparatus according to claim 1, wherein the expanded air is blown to the helmet. A hose for guiding the air expanded by the expansion means to the helmet, and
The cold air supply apparatus according to claim 1 or 2, wherein the hose is separable from the helmet when a load of a certain level or more is applied to a connection portion between the hose and the helmet.   The cold air supply apparatus according to claim 2 or 3, wherein the compressor, the cooler, and the expansion means are arranged in a moving device on which the user rides.   The cool air supply device according to claim 2 or 3, wherein the compressor, the cooler, and the expansion means are configured as devices carried by the user. The cold air supply according to any one of claims 1 to 5, wherein a ventilation path is formed inside the helmet to distribute the air blown through the hose inside the helmet. apparatus.

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