JP6581131B2 - Body temperature regulator - Google Patents

Description

  The present invention relates to a body temperature adjustment device that adjusts the body temperature of a human body.

  As a prior art, for example, a body cooling device as described in Patent Document 1 is known. This body cooling device cools a local part of a human body by attaching a hose circulating refrigerant to a human body. As a local part to be cooled, a part that is easily cooled in the human body is selected, and the cooling efficiency is increased.

Registered Utility Model No. 3171066 JP 2014-73200 A Japanese Patent No. 4329118

  However, in the prior art described in Patent Document 1, the function of the device is limited to cooling of the human body, and it does not consider the heating of the human body in a low temperature environment such as a winter season or a cold district. And in a human body, the site | part suitable for cooling differs from the site | part suitable for heating. For this reason, even if the configuration of the prior art is applied to heating as it is, it is difficult to efficiently warm the human body, and it is difficult to achieve both cooling and heating of the human body with the same device.

  An object of the present invention is to provide a body temperature adjustment device having high convenience.

The body temperature adjustment device according to the present invention has a refrigerant circuit in which the refrigerant circulates, and at least a part of the temperature adjustment means for adjusting the temperature of the heat transfer medium and the heat transfer medium to a specific part of the human body. A heat transfer means having a mounting portion having a shape that can be fixed so as to be in contact with a specific part of the human body, an operation portion having a function of setting a temperature, a temperature adjusting means based on the temperature set in the operation portion, and A control unit for controlling the operation of the heat transfer means, a temperature adjustment means, a casing in which at least a part of the heat transfer means, and a control unit are accommodated, so that a person can carry and carry the heat transfer means. The specific part includes a front neck part which is a cooling preferable part, the mounting part includes a collar part, and the front neck part is cooled by the collar part .

  According to the present invention, a body temperature adjustment device having high convenience can be realized.

BRIEF DESCRIPTION OF THE DRAWINGS It is a block diagram which shows schematically the body temperature control apparatus by Embodiment 1 of this invention. It is a front view which shows the tube fixing tool of a heat conveyance means. It is a rear view of the tube fixing tool shown in FIG. It is a block diagram which shows the control system of the body temperature control apparatus by Embodiment 1 of this invention.

  Embodiments of the present invention will be described below with reference to the drawings. In each drawing used in this specification, common elements are denoted by the same reference numerals, and redundant description is omitted. Further, the present invention is not limited to the following embodiments, and can be variously modified without departing from the gist of the present invention.

Embodiment 1 FIG.
First, Embodiment 1 of the present invention will be described with reference to FIGS. FIG. 1 is a configuration diagram schematically showing a body temperature control apparatus according to Embodiment 1 of the present invention. As shown in this figure, the body temperature adjustment device 1 according to the present embodiment includes a temperature adjustment means 10 and a heat transfer means 20 described later. The temperature adjusting means 10 adjusts the temperature of the heat transfer medium flowing through the heat transfer means 20.

(Configuration of temperature adjustment means)
The temperature adjusting means 10 includes a plurality of devices including a first heat exchanger 11, a second heat exchanger 12, a compressor 13, a four-way valve 14, and a decompressor 15, and a plurality of devices that connect the devices in a ring shape. Pipes 16a, 16b, 16c, 16d, 16e, and 16f are provided. These devices and the pipes 16a to 16f constitute a refrigerant circuit in which the refrigerant circulates. The temperature adjusting means 10 includes a fan 17 that blows air to the first heat exchanger 11 to promote heat absorption and heat dissipation.

  The first heat exchanger 11 performs heat exchange between the refrigerant flowing through the temperature adjusting means 10 and air. According to the heat exchanger 11, heat can be radiated from the refrigerant into the air, and heat can be absorbed from the air into the refrigerant. The second heat exchanger 12 has a primary flow path and a secondary flow path (not shown), and heat of the refrigerant flowing through the primary flow path and the heat transfer medium flowing through the secondary flow path. Exchange. According to the heat exchanger 12, the heat transfer medium can be heated and cooled using the refrigerant flowing through the first heat exchanger 11.

  The compressor 13 circulates the refrigerant in the refrigerant circuit by sucking and discharging the refrigerant. The suction side of the compressor 13 is connected to one port of the four-way valve 14 via a pipe 16e. The discharge side of the compressor 13 is connected to another port of the four-way valve 14 through a pipe 16f. The compressor 13 is connected between one end side of the heat exchanger 11 and one end side of the primary side flow path of the heat exchanger 12 via pipes 16a, 16d, 16e, and 16f. A decompressor 15 for decompressing the refrigerant is connected between the other end side of the heat exchanger 11 and the other end side of the primary side flow path of the heat exchanger 12 via pipes 16b and 16c. Yes.

  Here, the connection destination on the suction side of the compressor 13 is switched to one of the heat exchangers 11 and 12 according to the switching position of the four-way valve 14. Further, the connection destination on the discharge side of the compressor 13 is switched to the other of the heat exchangers 11 and 12 according to the switching position of the four-way valve 14. These connection destinations are interchanged according to the switching position of the four-way valve 14. Thereby, the four-way valve 14 is configured to switch (reverse) the circulation direction of the refrigerant circulating in the refrigerant circuit.

  The four-way valve 14 corresponds to the switching means of the present embodiment, and is constituted by an electromagnetic valve having first to fourth ports. Among these ports, the first port is connected to one end side of the heat exchanger 11 via the pipe 16a. The second port is connected to one end side of the primary flow path of the heat exchanger 12 via the pipe 16d. The third port is connected to the suction side of the compressor 13 via the pipe 16e, and the fourth port is connected to the discharge side of the compressor 13 via the pipe 16f.

  The four-way valve 14 is switched to one of two switching positions consisting of a heating position indicated by a solid line in FIG. 1 and a cooling position indicated by a dotted line. In the heating position, the suction side of the compressor 13 is connected to one end side of the heat exchanger 11 via the four-way valve 14 and the pipes 16a and 16e. At this time, the discharge side of the compressor 13 is connected to one end side of the primary flow path of the heat exchanger 12 via the four-way valve 14 and the pipes 16d and 16f. As a result, when the compressor 13 operates, the refrigerant circulates in the direction of arrow A in FIG. 1, and the refrigerant discharged from the compressor 13 passes from the heat exchanger 12 to the heat exchanger 11 via the decompressor 15. Circulate towards. At this time, in the heat exchanger 12, heat is radiated from the refrigerant to the heat transfer medium, that is, the heat transfer medium is heated.

  On the other hand, in the cooling position, the suction side of the compressor 13 is connected to one end side of the primary flow path of the heat exchanger 12 via the four-way valve 14 and the pipes 16d and 16e. At this time, the discharge side of the compressor 13 is connected to one end side of the heat exchanger 11 via the four-way valve 14 and the pipes 16a and 16f. As a result, when the compressor 13 is activated, the refrigerant circulates in the direction of arrow B in FIG. 1, and the refrigerant discharged from the compressor 13 passes from the heat exchanger 11 to the heat exchanger 12 via the decompressor 15. Circulate towards. At this time, in the heat exchanger 12, heat absorption from the heat transfer medium by the refrigerant, that is, cooling of the heat transfer medium is performed. As described above, the temperature adjusting unit 10 can heat and cool the heat transfer medium according to the circulation direction by switching the circulation direction of the refrigerant.

(Configuration of heat transfer means)
Next, the heat transfer means 20 will be described with reference to FIGS. FIG. 2 is a front view showing a tube fixture of the heat transfer means, and FIG. 3 is a rear view of the tube fixture. The heat transfer means 20 transfers heat between the human body and the temperature adjustment means 10, and as shown in FIGS. 1 to 3, the heat transfer tubes 21 and 22, the heat transfer pump 23, the tube fixture 24, A heating conveyance path 25, a cooling conveyance path 26, conveyance path switching valves 27a and 27b, tube connection ports 28 and 29, and the like are provided.

  The heat transfer tubes 21 and 22 circulate a heat transfer medium between the heat exchanger 12 and the tube fixture 24, and are formed of a flexible tube or the like. As a material for the heat transfer tubes 21 and 22, for example, vinyl, fluororesin, or the like is preferably used. Further, when the heat transfer tubes 21 and 22 are formed of a metal material, it is preferable to use a bellows-shaped metal tube that can be bent and deformed. In addition, water or the like is used as the heat transfer medium.

  As shown in FIG. 1, one end side of the heat transfer tube 21 is connected to one end side of the secondary flow path of the heat exchanger 12. The other end of the heat transfer tube 21 is detachably connected to a tube connection port 29 shown in FIG. In addition, one end side of the heat transfer tube 22 is connected to the other end side of the secondary flow path of the heat exchanger 12. The other end side of the heat transfer tube 22 is detachably connected to the tube connection port 28 shown in FIG. The heat transfer pump 23 transfers the heat transfer medium from the heat exchanger 12 toward the heating transfer path 25 and the cooling transfer path 26, and is connected to, for example, the heat transfer tube 21 or the heat transfer tube 22. Yes.

  The tube fixture 24 is a mounting portion that is mounted on at least a part of the human body, and is a part that heats and cools the human body using a heat transfer medium. The tube fixture 24 has a shape similar to clothing, such as a jacket, jumper, trousers, and skirt. In FIG. 1 to FIG. 3, a jacket-shaped tube fixture 24 is illustrated. The tube fixture 24 is provided with a heating conveyance path 25, a cooling conveyance path 26, conveyance path switching valves 27a and 27b, and tube connection ports 28 and 29.

  As shown in FIGS. 2 and 3, the heating conveyance path 25 and the cooling conveyance path 26 convey a heat conveyance medium to a specific part of the human body, and are constituted by, for example, a flexible small-diameter tube. And disposed inside the tube fixture 24. In addition, it is desirable to interpose cloth etc. between these conveyance paths 25 and 26 and a human body so that the said conveyance paths 25 and 26 may not touch skin directly.

  The heating conveyance path 25 conveys the heat transfer medium heated by the temperature adjusting means 10 to the heating suitable part when heating the human body. The heating suitable part means a part suitable for heating in the human body. To give a specific example, it corresponds to at least one of the waist, abdomen, wrist, ankle, and back of the human body. . At the time of heating, the whole body can be efficiently warmed or the sense of being warmed can be efficiently felt by warming the preferred heating part.

  The cooling conveyance path 26 conveys the heat transfer medium cooled by the temperature adjusting means 10 to a suitable cooling portion when the human body is cooled. The cooling preferred part means a part suitable for cooling in the human body. To give a specific example, it corresponds to at least one of the crotch root part, the armpit lower part, the neck front part, and the forehead part of the human body. Yes. At the time of cooling, the whole body can be efficiently cooled or the sensation of being cooled can be felt efficiently by warming the cooling preferred part.

  As a more specific example, the heating conveyance path 25 extends from the waist of the human body to the stomach and further reaches the neck through the left chest. Further, the heating conveyance path 25 is formed so as to pass from the neck to the back of the neck, pass through the right chest, and further return to the waist through the stomach. On the other hand, the cooling conveyance path 26 has a different path from the heating conveyance path 25. That is, the cooling conveyance path 26 extends from the waist to the back, and further passes through the left armpit on the back and reaches the left collar on the front side of the neck. Further, the cooling conveyance path 26 returns from the left collar, passes the left side again, returns to the back, passes through the right side, reaches the right collar on the front side of the neck, and further passes through the back to the waist. It is formed to return.

  The transfer path switching valves 27a and 27b switch the flow path of the heat transfer medium to either the heating transfer path 25 or the cooling transfer path 26, and correspond to the transfer path switching means of the present embodiment. As shown in FIG. 3, the conveyance path switching valves 27 a and 27 b are configured by a three-way valve or the like, and are attached to, for example, a lower back portion of the tube fixture 24. The transport path switching valve 27a has one inflow port and two outflow ports. A tube connection port 28 for easily attaching and detaching the heat transfer tube 22 is attached to the inflow port of the transfer path switching valve 27a. The tube connection port 28 is detachably connected to the heat transfer tube 22. A heating conveyance path 25 and a cooling conveyance path 26 are connected to the two outflow ports of the conveyance path switching valve 27a, respectively.

  The conveyance path switching valve 27b has two inflow ports and one outflow port. A heating conveyance path 25 and a cooling conveyance path 26 are connected to the two inflow ports of the conveyance path switching valve 27b, respectively. That is, the heating conveyance path 25 and the cooling conveyance path 26 are connected in parallel to each other between the conveyance path switching valve 27a and the conveyance path switching valve 27b. On the other hand, similarly to the tube connection port 28, a tube connection port 29 is attached to the outflow port of the transport path switching valve 27b. The tube connection port 29 is detachably connected to the heat transfer tube 21. The tube connection ports 28 and 29 are disposed, for example, in the center of the back surface of the waist.

(Control system)
Next, the control system of the body temperature control device 1 will be described with reference to FIG. FIG. 4 is a configuration diagram showing a control system of the body temperature control apparatus according to Embodiment 1 of the present invention. The body temperature adjustment device 1 includes a control unit 30. The control unit 30 includes a circuit unit 34 that includes a main calculation unit 31, an information processing unit 32, and a power supply unit 33, an operation unit 35, and a temperature sensor 36. The temperature sensor 36 detects at least one of the surface temperature of the human body and the internal body temperature, and is connected to the information processing unit 32. The power supply unit 33 is connected to a power storage unit 37 configured by, for example, a battery, a fuel cell, and the like, and the compressor 13, the four-way valve 14, the decompressor 15, and the heat transfer pump 23 described above.

  The operation unit 35 is operated by the user, and includes a cooling / heating switching switch (not shown) for selecting whether the body temperature control device 1 performs heating or cooling. The operation unit 35 corresponds to an operation selection unit that selects one of heating and cooling of the heat transfer medium as the operation of the temperature adjusting unit 10. The control unit 30 switches the refrigerant circulation direction in the temperature adjusting means 10 by switching the four-way valve 14 based on the operation selected by the operation unit 35. Moreover, the circuit part 34, the operation part 35, and the electrical storage part 37 are accommodated in the below-mentioned casing 40 (refer FIG. 1). The temperature sensor 36 is disposed inside the tube fixture 24 and detects the temperature in the tube fixture 24 as the surface temperature of the human body or the internal body temperature.

(Operation of temperature control device)
Next, the operation of the body temperature control device 1 will be described. First, the user attaches the tube fixture 24 to the body and connects the heat transfer tubes 21 and 22 on the temperature adjusting means 10 side and the tube connection ports 28 and 29 on the heat transfer means 20 side. Then, the operation unit 35 is turned on to start the control unit 30. Subsequently, the user selects either heating or cooling by operating the cooling / heating switching switch of the operation unit 35. Thereby, the control part 30 switches the four-way valve 14 to either a heating position or a cooling position according to the operation | movement selected with the air conditioning switching switch. Further, the user switches the operation of the transport path switching valves 27a and 27b to heating or cooling according to the selection contents of the cooling / heating switching switch.

  In the present embodiment, the case where the operations of the transport path switching valves 27a and 27b are manually switched is illustrated. However, in the present invention, the control unit 30 may be configured to automatically switch the switching position of the four-way valve 14 and the operation of the transport path switching valves 27a and 27b in accordance with the operation of the air conditioning switching switch. According to this configuration, the user can automatically switch both the four-way valve 14 and the transfer path switching valves 27a and 27b simply by selecting either heating or cooling by the operation unit 35. Therefore, user convenience can be further improved.

  Next, the user operates the heat transfer pump 23 to circulate a heat transfer medium such as water through the heat transfer tubes 21 and 22. The heat transfer pump 23 includes an inlet for sucking in the heat transfer medium and an outlet for discharging air remaining in the heat transfer tubes 21 and 22 when water is sucked. The control unit 30 sets a target temperature and starts the operation of the temperature adjusting means 10 after pouring a predetermined amount of the heat transfer medium into the heat transfer tubes 21 and 22. As a result, information is transmitted from the operation unit 35 to the information processing unit 32, and the compressor 13, the four-way valve 14, the decompressor 15 and the heat transfer pump 23 are started.

  At this time, the operation unit 35 outputs a signal related to the operation selected by the user between heating and cooling. This signal is processed by the information processing section 32 and the main calculation section 31 and energized to the four-way valve 14. The four-way valve 14 controls the flow of the refrigerant so that the refrigerant flows from the decompressor 15 to the compressor 13 during the heating operation and the refrigerant flows from the compressor 13 to the decompressor 15 during the cooling operation.

  More specifically, during heating operation, high-temperature and high-pressure refrigerant discharged from the compressor 13 flows into the primary side of the second heat exchanger 12 via the four-way valve 14. This refrigerant dissipates heat to the heat transfer medium on the secondary side while flowing through the primary side of the heat exchanger 12, and heats the heat transfer medium. The refrigerant flowing out from the primary side of the heat exchanger 12 is decompressed by the decompressor 15 and then flows into the first heat exchanger 11 and absorbs heat in the air by the heat exchanger 11. To do. Subsequently, the refrigerant flowing out of the first heat exchanger 11 returns to the suction side of the compressor 13 via the four-way valve 14.

  Further, during the cooling operation, the high-temperature and high-pressure refrigerant discharged from the compressor 13 flows into the first heat exchanger 11 via the four-way valve 14. This refrigerant releases heat into the air by the heat exchanger 11 and then flows into the primary side of the second heat exchanger 12 via the decompressor 15. The refrigerant absorbs heat from the heat transfer medium on the secondary side, cools the heat transfer medium, flows out of the heat exchanger 12, and passes through the four-way valve 14 to the suction side of the compressor 13. Reflux.

  Next, a signal related to the temperature set value set by the operation unit 35 and a signal from the temperature sensor 36 are transmitted to the information processing unit 32. The information processing unit 32 and the main calculation unit 31 read these signals, control the operations of the compressor 13, the decompressor 15, and the heat transfer pump 23 via the power supply unit 33, and automatically maintain the optimum temperature. Take control. Thereby, the user can maintain his body temperature at a comfortable temperature without being affected by the temperature of the outside air.

  On the other hand, in the heat transfer means 20, the heat transfer medium circulates through the secondary flow path, the heat transfer tubes 21 and 22, and the tube fixture 24 of the second heat exchanger 12 by the operation of the heat transfer pump 23. During the heating operation, the heat transfer medium heated by the heat exchanger 12 flows from the heat transfer tube 22 into the tube connection port 28, and this heat transfer medium depends on the switching positions of the transfer path switching valves 27a and 27b. It circulates through the heating conveyance path 25. Then, the heat transfer medium flows out from the tube connection port 29 to the heat transfer tube 21 and returns to the heat exchanger 12.

  Further, during the cooling operation, the heat transfer medium cooled by the heat exchanger 12 flows from the heat transfer tube 22 into the tube connection port 28, and this heat transfer medium depends on the switching positions of the transfer path switching valves 27a and 27b. It flows through the cooling conveyance path 26. Then, the heat transfer medium flows out from the tube connection port 29 to the heat transfer tube 21 and returns to the heat exchanger 12.

  As described above, the heat transfer medium flows in from the tube connection port 28 arranged at the lower center of the back surface of the tube fixture 24 and out of the tube connection port 29 in both heating and cooling. However, the heat transfer medium flows through the heating transfer path 25 during heating and flows through the cooling transfer path 26 during cooling inside the tube fixture 24. As described above, in the embodiment, in a state where the user wears the tube fixture 24, the heating suitable portion of the human body can be warmed by the warm heat transfer medium flowing through the heating transfer path 25 during heating. Moreover, at the time of cooling, the cooling suitable part of a human body can be cooled by the cold heat transfer medium flowing through the cooling transfer path 26.

  As described in detail above, according to the present embodiment, the temperature adjusting means 10 controls the four-way valve 14 to switch the refrigerant circulation direction, thereby heating and cooling the refrigerant in a single refrigerant circuit. be able to. And the heating suitable part of a human body can be efficiently heated using the heating conveyance path 25 at the time of heating. Moreover, at the time of air_conditioning | cooling, the cooling suitable part can be efficiently cooled using the conveyance path 26 for air_conditioning | cooling. Thereby, the common part of the mechanism for heating and the mechanism for cooling can be increased, and the body temperature control apparatus 1 can be reduced in size. And both cooling and heating can be performed efficiently. Therefore, the user can maintain comfort in any temperature environment and can realize high convenience.

  Moreover, in this Embodiment, the tube fixing tool 24 is mounted | worn with a human body, and the heating conveyance path 25 and the cooling conveyance path 26 are arrange | positioned separately. Thereby, in both heating and cooling, the temperature of the part suitable for the operation can be accurately adjusted, and the temperature can be quickly adjusted. In the present embodiment, the temperature sensor 36 detects the surface temperature and the internal body temperature of the human body inside the tube fixture 24, and based on the detection result, the operating state of the heat exchanger 12, that is, the heat exchanger 12. The capacity of heating and cooling is controlled. As a result, the inside of the tube fixture 24 is prevented from becoming uncomfortable due to the heat generated by the human body. For example, even when intense exercise is performed with the tube fixture 24 attached, a comfortable environment is stably provided to the user. can do.

  Moreover, in a human body, there exists a tendency for the site | part suitable for body temperature adjustment to differ at the time of heating and cooling. For example, for the abdomen, warming the body is good for the body, but if it is cooled, the body may be adversely affected. This phenomenon is caused by, for example, a built-in site, a blood vessel position, or the like. On the other hand, in the present embodiment, the heating suitable part of the human body is heated using the heating conveyance path 25 during heating, and the cooling suitable part is cooled using the cooling conveyance path 26 during cooling. In any of the cooling operations, the temperature can be adjusted at an appropriate part of the human body.

  In the first embodiment, the temperature adjusting means 10, the heat transfer pump 23, and a part of the heat transfer tubes 21, 22 may be housed in a casing 40 indicated by phantom lines in FIG. . The casing 40 has a form such as a shoulder bag or a rucksack, and corresponds to a portable means that can be easily carried by a person. Thereby, the user can move easily while carrying the body temperature regulating device 1, and the application range of the body temperature regulating device 1 can be expanded.

  Note that the casing 40 does not necessarily have to be portable, and when portability is not regarded as important in accordance with the application, the portion accommodated in the casing 40 and another portion may be integrated. However, even in this case, it is desirable that at least the tube fixture 24 is configured to be detachable from the temperature adjusting means 10. The temperature adjusting means 10 is often heavy in order to be continuously attached to the human body, and the versatility can be improved by enabling measures such as temporarily removing it from the human body. In particular, it is not always necessary for a person to keep the temperature adjusting means 10 when used in a factory, a kitchen, or the like having a narrow movable range at the time of mounting, or in a vehicle such as a motorcycle.

  In Embodiment 1, a battery, a fuel cell, and the like are illustrated as the power storage unit 37. However, the present invention is not limited to this, and the power storage unit may have a power generation function such as a solar cell. In particular, the body temperature control apparatus 1 according to the first embodiment is preferably provided with a power generation function because it is assumed that it is used in various environments where there is no charging facility nearby. Further, in the present invention, the power storage unit 37 is not necessarily an indispensable configuration, and may be configured to be able to substitute and share with a battery such as an automobile or a motorcycle.

DESCRIPTION OF SYMBOLS 1 Body temperature control apparatus 10 Temperature adjustment means 11 1st heat exchanger (refrigerant circuit)
12 Second heat exchanger (refrigerant circuit)
13 Compressor (refrigerant circuit)
14 Four-way valve (refrigerant circuit)
15 Pressure reducer (refrigerant circuit)
16a, 16b, 16c, 16d, 16e, 16f Piping (refrigerant circuit)
17 Fan 20 Heat transfer means 21, 22 Heat transfer tube 23 Heat transfer pump 24 Tube fixture (mounting part)
25 Heating path 26 Heating path 27a, 27b Transport path switching valve (transport path switching means)
28, 29 Tube connection port 30 Control unit 31 Main calculation unit 32 Information processing unit 33 Power supply unit 34 Circuit unit 35 Operation unit (operation selection means)
36 Temperature sensor 37 Power storage unit 40 Casing (portable means)

Claims (5)

A temperature adjusting means having a refrigerant circuit for circulating the refrigerant and adjusting the temperature of the heat transfer medium;
In order to transport the heat transport medium to a specific part of the human body, a heat transport means including a mounting portion having a shape that can be fixed so that at least a part thereof contacts the specific part of the human body;
An operation unit having a function of setting a temperature;
A control unit for controlling the operation of the temperature adjusting unit and the heat transfer unit based on the temperature set in the operation unit;
A casing in which at least a part of the temperature adjustment means, at least a part of the heat transfer means, and the control unit are accommodated so that a person can carry and carry it;
With
The specific part includes a neck part that is a cooling preferred part,
The mounting portion includes a collar portion,
The body temperature adjusting device, wherein the front neck is cooled by the collar . The refrigerant circuit of the temperature adjusting means is
A first heat exchanger for exchanging heat between the refrigerant and air;
A second heat exchange having a primary flow path and a secondary flow path, and performing heat exchange between the refrigerant flowing through the primary flow path and the heat transfer medium flowing through the secondary flow path. And
A compressor having a function of sucking and discharging the refrigerant and connected between one end side of the first heat exchanger and one end side of the second heat exchanger;
A decompressor connected between the other end of the first heat exchanger and the other end of the second heat exchanger and depressurizing the refrigerant;
A means that can be switched between a heating position for heating the heat transfer medium and a cooling position for cooling the heat transfer medium, wherein the refrigerant discharged from the compressor is transferred to the second heat exchanger at the heating position. From the first heat exchanger to the first heat exchanger via the pressure reducer and the refrigerant discharged from the compressor at the cooling position. Switching means for circulating toward the second heat exchanger;
With
The said control part switches the said switching means to the said heating position when heating the said heat conveyance medium, and switches the said switching means to the said cooling position when cooling the said heat conveyance medium. Body temperature adjustment device.   The direction in which the refrigerant flows through the primary flow path of the second heat exchanger at the heating position is the direction in which the refrigerant flows through the primary flow path of the second heat exchanger at the cooling position. The body temperature adjustment device according to claim 2, wherein the body temperature adjustment device is in the opposite direction. The direction in which the refrigerant flows through the primary flow path of the second heat exchanger at the heating position is the same as the direction in which the heat transfer medium flows through the secondary flow path of the second heat exchanger. Direction,
The direction in which the refrigerant flows through the primary flow path of the second heat exchanger at the cooling position is relative to the direction in which the heat transfer medium flows through the secondary flow path of the second heat exchanger. The body temperature regulation device according to claim 2 or 3, wherein the body temperature regulation device is in the opposite direction. A temperature sensor for detecting at least one of the surface temperature of the human body and the internal body temperature;
5. The control unit according to claim 2, wherein the control unit controls an operating state of the second heat exchanger by controlling the compressor and the pressure reducer based on a detection result of the temperature sensor. The body temperature adjusting device according to item.

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