JP3660350B1 - Heat exchanger and air conditioner - Google Patents

Abstract

The present invention provides a heat exchanger and an air conditioner capable of reducing manufacturing costs and improving air conditioning efficiency.
An elongated body has a heat source groove, a pair of conductive grooves, and a communication groove. The heat source groove 22 is provided in the main body 21 along the length direction. The heat source groove 22 has an opening 22 a that is narrower than the diameter of the heat source tube 11. Each conduction groove 23 is provided along the length direction of the main body 21 at a position sandwiching the heat source groove 22. The communication groove 24 is provided so as to cross the main body 21 on the side opposite to the opening 22 a of the heat source groove 22. A part of the communication groove 24 communicates with the bottom 22 c of the heat source groove 22. The main body 21 has elasticity that can expand the heat source groove 22 in accordance with the thermal expansion of the heat source tube 11. The heat source tube 11 is fitted in the heat source groove 22. The heat conducting member 12 is sandwiched between the conducting grooves 23 and spreads on both sides of the main body 21.
[Selection] Figure 1

Description

  The present invention relates to a heat exchanger and an air conditioner.

As a conventional heating device, there is a floor heating device in which a heat radiating device in which a heat source pipe is embedded is laid on the floor, and hot water is circulated in the heat source pipe to exchange heat, thereby radiating heat (for example, see Patent Document 1).
In recent years, a heat conductive member having a high heat conductivity has been developed and is expected to be used in various fields.

Japanese Patent Laid-Open No. 11-166743

  However, the floor heating device described in Patent Document 1 has a problem that the length of the heat source pipe becomes long and the manufacturing cost increases because the heat source pipe is spread on the floor surface to be heated. Further, since the temperature of the hot water is lowered while circulating in the long heat source pipe, there is a problem that the temperature difference between the upstream side and the downstream side of the heat source pipe is large and the heating efficiency is poor.

  The present invention has been made paying attention to such problems, and an object of the present invention is to provide a heat exchanger and an air conditioning apparatus that can reduce the manufacturing cost and improve the air conditioning efficiency.

  In order to achieve the above object, a heat exchanger according to a first aspect of the present invention is a heat exchanger that conducts heat of a heat source tube to a heat conducting member, and has an elongated body, the body being a heat source groove. And a pair of conductive grooves, and the heat source grooves are provided along the length direction of the main body, and have wall surfaces that fit the heat source pipes and are in close contact with the side surfaces thereof. The groove is provided along the length direction of the main body at a position sandwiching the heat source groove, and has a wall surface that sandwiches the heat conducting member and is in close contact with the side surface.

  The heat exchanger according to the first aspect of the present invention is used by fitting a heat source tube into a heat source groove and sandwiching a heat conduction member in each conduction groove. At this time, the wall surface of the heat source groove is in close contact with the side surface of the heat source tube, and the wall surface of each conductive groove is in close contact with the side surface of the heat conducting member.

When a fluid having a predetermined temperature such as hot water or cold water is passed through the heat source pipe, the heat of the fluid is conducted from the heat source pipe to the main body through the wall surface of the heat source groove. The heat conducted to the main body is further conducted from the wall surface of each conduction groove to the heat conduction member. At this time, the wall surface of the heat source groove is in close contact with the side surface of the heat source tube, and the wall surface of each of the conductive grooves is in close contact with the side surface of the heat conducting member, so that heat loss between each side surface and each wall surface is suppressed. Heat can be efficiently conducted from the heat source tube to the heat conducting member.
The heat exchanger according to the first aspect of the present invention may be used for various air conditioners such as a snow melting device, a building, and a civil engineering in addition to the underfloor air conditioner.

  In the heat exchanger according to the first aspect of the present invention, the heat source groove has an opening whose width is narrower than the diameter of the heat source tube, and the main body can insert the heat source tube into the heat source groove from the opening. The heat source tube is held in the heat source groove, and the heat source groove can be expanded according to the thermal expansion of the heat source tube, and the heat conductive member is elastically held in each conduction groove, The conducting groove has openings on opposite sides, the heat conducting member comprises an elongated tube, the body has a communicating groove, and the communicating groove crosses the body on the opposite side of the opening of the heat source groove. The heat conduction member has a wall surface that is deeper than the diameter of the heat conduction member, part of which communicates with the bottom of the heat source groove, and that is in close contact with the side surface of the heat conduction member.

  In the configuration having the opening and the communication groove, the heat source tube is inserted into the heat source groove from the opening due to the elasticity of the main body and is held in the heat source groove, so that the workability is good. Moreover, since a heat conductive member is inserted in each groove | channel for conduction from opening, and is hold | maintained in each groove | channel for conduction by the elasticity of a main body, workability | operativity is favorable. When a fluid having a high temperature such as hot water is passed through the heat source pipe, the heat source pipe is thermally expanded. At this time, since the heat source groove is elastically expanded in accordance with the thermal expansion of the heat source tube, the main body and the heat source tube are not easily damaged.

  Further, in the configuration having the opening and the communication groove, when the heat conductive member is sandwiched in the communication groove, the wall surface of the communication groove is in close contact with the side surface of the heat conductive member. At this time, since a part of the communication groove communicates with the bottom of the heat source groove, the heat source tube and the heat conducting member of the communication groove can be brought into contact with each other. Thereby, the heat of the heat source tube can be directly transmitted to the heat conducting member of the communication groove, and the heat conduction efficiency can be improved. Moreover, since a heat conductive member can be inserted | pinched deeper than the surface of a main body, when installing a main body, a heat conductive member cannot hit an installation location easily. For this reason, the heat of the heat conducting member is unlikely to escape to the installation location and is not easily damaged. By sandwiching the heat conducting member between the respective conducting grooves, the heat conducting member can be continuously arranged on both sides of the main body.

  In the heat exchanger according to the first aspect of the present invention, the main body has flat surfaces on both sides sandwiching the opening of the heat source groove, and has a protrusion for preventing warpage along the length direction on the flat surface. Is preferred. In the configuration having this protrusion, when a fluid having a high temperature such as hot water is allowed to flow through the heat source tube, the main body can be prevented from being deformed by the heat and warping in the length direction.

  A heat exchanger according to a second aspect of the present invention is a heat exchanger that conducts heat of a heat source tube to a heat conducting member, and has a slender body, the body comprising a heat source groove and a plurality of conduction grooves. The heat source grooves are provided along the length direction of the main body, and have a wall surface that fits the heat source pipe and is in close contact with the side surface. It has a wall surface that is provided so as to be folded back from the side portion of the main body across the bottom side of the groove for heat source, and sandwiches the heat conducting member and adheres to the side surface thereof.

  The heat exchanger according to the second aspect of the present invention is used by fitting a heat source tube into a heat source groove and sandwiching a heat conduction member in each conduction groove. At this time, the wall surface of the heat source groove is in close contact with the side surface of the heat source tube, and the wall surface of each conductive groove is in close contact with the side surface of the heat conducting member.

When a fluid having a predetermined temperature such as hot water or cold water is passed through the heat source pipe, the heat of the fluid is conducted from the heat source pipe to the main body through the wall surface of the heat source groove. The heat conducted to the main body is further conducted from the wall surface of each conduction groove to the heat conduction member. At this time, the wall surface of the heat source groove is in close contact with the side surface of the heat source tube, and the wall surface of each of the conductive grooves is in close contact with the side surface of the heat conducting member, so that heat loss between each side surface and each wall surface is suppressed. Heat can be efficiently conducted from the heat source tube to the heat conducting member. Also, since each conduction groove is provided so as to be folded back from the side of the main body across the bottom side of the heat source groove, the distance between each conduction groove and the heat source groove is reduced, and the heat conduction efficiency Can be improved.
The heat exchanger according to the second aspect of the present invention may be used for various air-conditioning apparatuses such as a snow melting apparatus, a building, and civil engineering in addition to the under-floor air-conditioning apparatus.

  In the heat exchanger according to the second aspect of the present invention, the heat source groove has an opening whose width is narrower than the diameter of the heat source tube, and the main body can insert the heat source tube into the heat source groove from the opening. The heat source tube is held in the heat source groove, and the heat source groove can be expanded according to the thermal expansion of the heat source tube, and has the elasticity to hold the heat conducting member in each conduction groove, The heat conducting member is composed of an elongated tube, each conducting groove is provided deeper than the diameter of the heat conducting member, a part communicates with the bottom of the heat source groove, and both ends extend to the same side of the body. Preferably it is.

  In the configuration having this opening, the heat source tube is inserted into the heat source groove from the opening due to the elasticity of the main body and is held in the heat source groove, so that the workability is good. Moreover, since a heat conductive member is inserted in each groove | channel for conduction from opening, and is hold | maintained in each groove | channel for conduction by the elasticity of a main body, workability | operativity is favorable. When a fluid having a high temperature such as hot water is passed through the heat source pipe, the heat source pipe is thermally expanded. At this time, since the heat source groove is elastically expanded in accordance with the thermal expansion of the heat source tube, the main body and the heat source tube are not easily damaged.

  In addition, in the configuration having an opening, a part of each conduction groove communicates with the bottom of the heat source groove. Therefore, when the heat conduction member is sandwiched in each conduction groove, the heat source tube and the heat conduction member are brought into contact with each other. be able to. Thereby, the heat of the heat source tube can be directly transmitted to the heat conducting member, and the heat conduction efficiency can be improved. Moreover, since a heat conductive member can be inserted | pinched deeper than the surface of a main body, when installing a main body, a heat conductive member cannot hit an installation location easily. For this reason, the heat of the heat conducting member is unlikely to escape to the installation location and is not easily damaged.

  In the heat exchanger according to the second aspect of the present invention, it is preferable that both ends of each conduction groove are alternately arranged on a pair of side portions of the main body. In this configuration, the heat conducting member can be continuously disposed on both sides of the main body by sandwiching the heat conducting member between the respective conducting grooves.

  In the heat exchanger according to the second aspect of the present invention, the main body has a holding groove, the holding groove has an engaging portion, and crosses each conduction groove in the length direction of the main body. It is preferable to have a holding member that is provided along the engaging portion of the holding groove and holds the heat conducting member between the main body and the holding member. In the configuration having the holding groove and the holding member, the heat conducting member is held between the holding member and the main body, so that the heat conducting member is prevented from being detached from each conducting groove, and each side surface of the heat conducting member is The wall surface of the conductive groove can be kept in close contact. Moreover, it can construct easily by engaging a holding member with an engaging part along the groove | channel for holding.

  An air conditioner according to the present invention is an underfloor air conditioner having the heat exchanger according to the first or second aspect of the present invention, a heat source tube, and a heat conducting member, and the heat source tube is for the heat source. The heat conducting member is fitted into a groove, and the heat conducting member is sandwiched between each conducting groove and spreads on both sides of the main body.

  The air conditioning apparatus according to the present invention is disposed under the floor and used as an air conditioning apparatus. By conducting heat from the heat source pipe to the heat conducting member having a higher thermal conductivity, the heat source pipe can be shortened and the manufacturing cost can be reduced as compared with the case where the heat source pipe through which the fluid flows is spread. For this reason, the temperature difference between the upstream side and the downstream side of the heat source pipe can be kept small, and the cooling and heating efficiency can be improved.

  ADVANTAGE OF THE INVENTION According to this invention, the heat exchanger and air conditioning apparatus which can aim at the reduction of manufacturing cost and the improvement of air conditioning efficiency can be provided.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 5 show a heat exchanger and an air conditioner according to a first embodiment of the present invention.
As shown in FIGS. 1 to 5, the air conditioner 10 includes a heat source pipe 11, a heat conducting member 12, and a heat exchanger 13.

As shown in FIG. 3, the heat source tube 11 is formed of a long and thin polyethylene circular tube.
As shown in FIG. 1 and FIG. 3, the heat conducting member 12 is composed of an elongated metal circular tube in which a small amount of working fluid is vacuum sealed. The heat conducting member 12 has a very high heat conductivity. The heat conducting member 12 has a pair of heat diffusion portions 12a and two coupling portions 12b. The pair of heat diffusion portions 12a are formed so as to meander while being bent repeatedly in the opposite direction at every predetermined length. Each coupling part 12b couple | bonds each heat-diffusion part 12a mutually at the both ends of each heat-diffusion part 12a.

  As shown in FIGS. 1 and 2, the heat exchanger 13 has an elongated main body 21 made of aluminum and having the same cross section. The main body 21 has a heat source groove 22, a pair of conductive grooves 23, and two communication grooves 24. The heat source groove 22 is provided along the length direction of the main body 21. The heat source groove 22 has an arc-shaped cross section whose central angle is greater than 180 degrees, and has the same inner diameter as the outer diameter of the heat source tube 11. The heat source groove 22 has an opening 22a that is narrower than the diameter of the heat source tube 11, and has a wall surface 22b that fits the heat source tube 11 and is in close contact with the side surface.

  Each conduction groove 23 is provided along the length direction of the main body 21 at a position between which the heat source groove 22 is sandwiched. Each conduction groove 23 has a bottom portion 23a facing each other with the heat source groove 22 in between, and an opening 23b facing the opposite side. Each of the conductive grooves 23 has a U-shaped cross section, and the cross section of the bottom 23 a is a semicircle having the same diameter as the outer diameter of the heat conducting member 12. Each conducting groove 23 has a wall surface 23c that sandwiches the heat conducting member 12 and is in close contact with the side surface thereof.

  As shown in FIG. 2 (b), each communication groove 24 is provided so as to cross the main body 21 on the opposite side of the opening 22 a of the heat source groove 22 at both ends of the main body 21. The communication groove 24 has a U-shaped cross section, and the cross-sectional shape of the bottom 24 a is a semicircle having the same diameter as the outer diameter of the heat conducting member 12. The communication groove 24 is provided deeper than the diameter of the heat conducting member 12, and a part thereof communicates with the bottom 22 c of the heat source groove 22 at the bottom. The communication groove 24 has a wall surface 24b that sandwiches the heat conducting member 12 and is in close contact with the side surface thereof.

  As shown in FIGS. 1 and 2, the main body 21 has flat surfaces 25 on both sides of the opening 22 a of the heat source groove 22. The main body 21 has a protrusion 26 for preventing warpage along the length direction of the flat surface 25 at the outer edge of the flat surface 25. The main body 21 has a pair of ridges 27 provided along the length direction at opposite positions on the inner wall of each conduction groove 23 so that the heat conducting member 12 sandwiched between the conduction grooves 23 does not come off. Have. The main body 21 has an installation surface 28 whose center is raised along the length direction on the opposite side of the opening 22 a of the heat source groove 22.

  The main body 21 can insert the heat source tube 11 into the heat source groove 22 from the opening 22a, hold the heat source tube 11 with the heat source groove 22, and expand the heat source groove 22 in accordance with the thermal expansion of the heat source tube 11. In addition, it has elasticity to hold the heat conducting member 12 in each conducting groove 23.

  As shown in FIGS. 3 to 5, the heat exchanger 13 has the heat source tube 11 fitted in the heat source groove 22. At this time, the wall surface 22 b of the heat source groove 22 is in close contact with the side surface of the heat source tube 11. As shown in FIGS. 3 and 4, the heat exchanger 13 is configured so that each heat diffusion portion 12 a of the heat conduction member 12 spreads continuously on both sides of the main body 21 in each conduction groove 23. A plurality of curved portions on one side of 12a are sandwiched. At this time, the wall surface 23c of each conducting groove 23 is in close contact with the side surface of the heat conducting member 12. As shown in FIG. 1, the heat exchanger 13 sandwiches each coupling portion 12 b in each communication groove 24.

Next, the operation will be described.
As shown in FIG. 3, the air conditioner 10 is used with the flat surface 25 of the heat exchanger 13 facing up and the installation surface 28 facing down. The air conditioner 10 is disposed on the heat insulating material 1 laid under the floor, and the upper part is covered with the heat diffusing member 2. A flooring material 3 is laid on the heat diffusion member 2. As shown in FIG. 5, the air conditioning apparatus 10 is installed by arranging a plurality of units 30 shown in FIG. 4 in accordance with the size of the floor for air conditioning. At this time, each unit 30 is installed with a single heat source pipe 11 so as to be capable of cooling and heating.

  The cooling / heating apparatus 10 conducts heat from the heat source pipe 11 to the heat conducting member 12 having a higher thermal conductivity, thereby shortening the heat source pipe 11 and reducing the manufacturing cost compared to the case where the heat source pipe 11 that flows the fluid is spread. Cost reduction can be achieved. For this reason, the temperature difference between the upstream side and the downstream side of the heat source pipe 11 can be suppressed to be small, and the cooling / heating efficiency can be improved. In addition, air conditioning can be performed quickly and with a small amount of fluid.

  The air conditioner 10 has good workability because the heat source tube 11 is inserted into the heat source groove 22 from the opening 22a by the elasticity of the main body 21 and is held by the heat source groove 22. Further, since the heat conducting member 12 is inserted into each conduction groove 23 from the opening 23b and is held by each conduction groove 23 due to the elasticity of the main body 21, workability is good.

  When a fluid having a predetermined temperature such as hot water or cold water is passed through the heat source pipe 11, the heat of the fluid is conducted from the heat source pipe 11 to the main body 21 through the wall surface 22 b of the heat source groove 22. The heat conducted to the main body 21 is further conducted to the heat conducting member 12 from the wall surface 23 c of each conducting groove 23. At this time, since the wall surface 22b of the heat source groove 22 is in close contact with the side surface of the heat source tube 11, and the wall surface 23c of each of the conduction grooves 23 is in close contact with the side surface of the heat conducting member 12, each side surface and each of the wall surfaces 22b, 23c is. The heat loss between the heat source pipe 11 and the heat conducting member 12 can be efficiently conducted.

  Further, when the heat conducting member 12 is sandwiched in the communication groove 24, the wall surface 24 b of the communication groove 24 is in close contact with the side surface of the heat conducting member 12. At this time, since a part of the communication groove 24 communicates with the bottom 22c of the heat source groove 22, the heat source pipe 11 and the heat conducting member 12 of the communication groove 24 can be brought into contact with each other. Thereby, the heat of the heat source tube 11 can be directly transmitted to the heat conducting member 12 of the communication groove 24, and the heat conduction efficiency can be improved. Since the heat conducting member 12 can be sandwiched deeper than the surface of the main body 21, when the main body 21 is installed, the heat conducting member 12 is unlikely to hit the installation location. For this reason, the heat of the heat conducting member 12 does not easily escape to the installation location and is not easily damaged.

  When a fluid having a high temperature such as warm water is passed through the heat source tube 11, the heat source tube 11 is thermally expanded. At this time, in the main body 21, the heat source groove 22 is elastically expanded in accordance with the thermal expansion of the heat source pipe 11, so that the main body 21 and the heat source pipe 11 are not easily damaged and a water leakage accident is unlikely to occur. Further, the protrusions 26 can prevent the main body 21 from being deformed by the heat of the heat source tube 11 and warping in the length direction.

The heat exchanger 13 may be provided parallel to the flat surface 25 with the installation surface 28 of the main body formed flat. In this case, it can be stably installed on a flat place with the installation surface 28 facing down.
Further, the heat conducting member 12 is not limited to the shape shown in FIGS. 1 and 4, and any shape may be used as long as a part of the heat conducting member 12 is sandwiched between the respective conducting grooves 23 and the respective communicating grooves 24 to cover the cooling / heating area. There may be.

6 to 10 show a heat exchanger and an air conditioner according to a second embodiment of the present invention.
As shown in FIGS. 6 to 10, the cooling / heating device 50 includes a heat source pipe 51, a pair of heat conducting members 52, a heat exchanger 53, and two holding members 54.

As shown in FIG. 9, the heat source pipe 51 is formed of an elongated polyethylene circular pipe.
As shown in FIGS. 9 and 10, each heat conducting member 52 is formed of an elongated metal circular tube in which a small amount of working fluid is vacuum-sealed. Each heat conducting member 52 has a very high thermal conductivity. Each heat conducting member 52 is formed so as to meander by being repeatedly bent in the opposite direction every predetermined length.

  As shown in FIGS. 6 and 7, the heat exchanger 53 is made of aluminum and has an elongated body 61. The main body 61 has a heat source groove 62, a plurality of conduction grooves 63, and a pair of holding grooves 64. As shown in FIG. 6A, the heat source groove 62 is provided along the length direction of the main body 61. As shown in FIG. 7B, the heat source groove 62 has an arc-shaped cross section with a central angle larger than 180 degrees, and has the same inner diameter as the outer diameter of the heat source pipe 51. The heat source groove 62 has an opening 62a that is narrower than the diameter of the heat source tube 51, and has a wall surface 62b that fits the heat source tube 51 and is in close contact with the side surface.

  As shown in FIG. 6B, each conduction groove 63 is provided on the opposite surface 65 with respect to the heat source groove 62. Each of the conductive grooves 63 crosses the bottom 62c side of the heat source groove 62 from the side portion 61a or 61b of the main body 61 and folds in the opposite direction 180 degrees with a predetermined curvature, and both ends thereof are the same side portions 61a or 61 of the main body 61. 61b. Each conduction groove 63 is alternately disposed at both ends at a pair of side portions 61a and 61b of the main body 61 and is connected to the adjacent conduction groove 63 at the side portion. Each conduction groove 63 is provided deeper than the diameter of the heat conduction member 52, and a part thereof communicates with the bottom 62 c of the heat source groove 62, and a communication hole 66 is provided. As shown in FIG. 7B, each conduction groove 63 has a substantially U-shaped cross section, and the bottom cross section has a curved surface with the same diameter as the outer diameter of the heat conducting member 52. doing. Each conducting groove 63 has a wall surface 63a that sandwiches the heat conducting member 52 and is in close contact with the side surface thereof.

  As shown in FIG. 6B, each holding groove 64 is provided on the same surface 65 as each conduction groove 63 across the conduction grooves 63. Each holding groove 64 extends in the length direction along a pair of side portions 61 a and 61 b of the main body 61 and is open at both ends 61 c of the main body 61. As shown in FIG. 7B, each holding groove 64 has a pair of elongated engagement recesses 67 provided along the length direction of the main body 61 at positions facing the inner wall.

The main body 61 has flat surfaces 68 on both sides of the opening 62 a of the heat source groove 62. In the main body 61, the surface 65 having the respective conduction grooves 63 and the respective holding grooves 64 is inclined so as to become thinner toward the both side portions 61a and 61b.
The main body 61 can insert the heat source pipe 51 into the heat source groove 62 from the opening 62a, hold the heat source pipe 51 in the heat source groove 62, and expand the heat source groove 62 in accordance with the thermal expansion of the heat source pipe 51. And it has elasticity which holds heat conduction member 52 in each groove 63 for conduction.

  As shown in FIG. 8, each holding member 54 is elongated and has the same length as the main body 61 of the heat exchanger 53. Each holding member 54 has an elongated rectangular plate-like bottom portion 54a and a pair of side wall portions 54b provided perpendicular to the bottom portion 54a along both edges of the bottom portion 54a. Each side wall 54b is provided at the same height from the bottom 54a on the same surface side of the bottom 54a. Each holding member 54 has a pair of engaging convex portions 54c provided along the length direction on the outside of each side wall portion 54b. Each engagement convex portion 54 c can be engaged with an engagement concave portion 67 of each holding groove 64 of the heat exchanger 53. Each holding member 54 is inserted into each holding groove 64 from each side wall 54 b side, and each engagement convex portion 54 c is engaged with each engagement concave portion 67, and each heat conduction inserted into each conduction groove 63. The member 52 is sandwiched and held between the main body 61 of the heat exchanger 53.

  As shown in FIGS. 9 and 10, in the heat exchanger 53, the heat source pipe 51 is fitted in the heat source groove 62. The side surface of the heat source tube 51 is in close contact with the wall surface 62 b of the heat source groove 62. Further, the heat exchanger 53 has the heat conduction members 52 in the respective conduction grooves 63 on the side portions 61 a and 61 b of the main body 61 so that the respective heat conduction members 52 continuously spread on both sides of the main body 61. A plurality of curved portions on one side are sandwiched. Each heat conducting member 52 is in close contact with the wall surface 63 a of each conducting groove 63. Further, in the heat exchanger 53, the holding member 54 is engaged with the holding groove 64.

Next, the operation will be described.
As shown in FIG. 9, the air conditioner 50 is used with the flat surface 68 of the heat exchanger 53 facing upward. The air conditioner 50 is arranged on the heat insulating material 1 laid under the floor, and the upper part is covered with the heat diffusing member 2. A flooring material 3 is laid on the heat diffusion member 2. The air conditioning apparatus 50 is installed by arranging a plurality of units 70 shown in FIG. 10 in accordance with the size of the floor on which air conditioning is performed. At this time, each unit 70 is installed with one heat source pipe 51 so as to be capable of cooling and heating.

  The cooling / heating apparatus 50 conducts heat from the heat source pipe 51 to each heat conduction member 52 having a higher thermal conductivity, thereby shortening the heat source pipe 51 and reducing the manufacturing cost compared to the case where the heat source pipe 51 that flows fluid is spread. Can be reduced. For this reason, the temperature difference between the upstream side and the downstream side of the heat source pipe 51 can be suppressed to be small, and the cooling / heating efficiency can be improved. In addition, air conditioning can be performed quickly and with a small amount of fluid.

  The air conditioner 50 has good workability because the heat source pipe 51 is inserted into the heat source groove 62 from the opening 62a by the elasticity of the main body 61 and is held by the heat source groove 62. Further, since each heat conducting member 52 is inserted into each conduction groove 63 from the opening 63b and is held by each conduction groove 63 by the elasticity of the main body 61, the workability is good.

  When a fluid having a predetermined temperature such as hot water or cold water is passed through the heat source pipe 51, the heat of the fluid is conducted from the heat source pipe 51 to the main body 61 through the wall surface 62 b of the heat source groove 62. The heat conducted to the main body 61 is further conducted from the wall surface 63 a of each conduction groove 63 to each heat conduction member 52. At this time, the wall surface 62b of the heat source groove 62 is in close contact with the side surface of the heat source pipe 51, and the wall surface 63a of each conduction groove 63 is in close contact with the side surface of the heat conducting member 52. The heat loss between the heat source pipe 51 and the heat conducting member 52 can be efficiently conducted.

  Since a part of each conduction groove 63 communicates with the bottom 62c of the heat source groove 62 through the communication hole 66, each heat conduction member 52 is sandwiched between each conduction groove 63 and each heat source pipe 51 and each heat The conductive member 52 is in contact. For this reason, the heat of the heat source pipe 51 is directly transmitted to each heat conducting member 52, and the heat conduction efficiency is good. Since each heat conducting member 52 is sandwiched deeper than the surface of the main body 61 and is held between the holding member 54 and the main body 61, when the main body 61 is installed, each heat conducting member 52 does not hit the installation location. For this reason, the heat of each heat conducting member 52 is unlikely to escape to the installation location and is not easily damaged. Further, the holding member 54 can prevent the heat conducting member 52 from coming off from the respective conducting grooves 63, and the wall surface 63 a of each conducting groove 63 can be kept in close contact with the side surface of the heat conducting member 52. Construction can be easily performed by engaging the holding member 54 along the holding groove 64.

  When a fluid having a high temperature such as warm water is passed through the heat source pipe 51, the heat source pipe 51 is thermally expanded. At this time, in the main body 61, the heat source groove 62 is elastically expanded according to the thermal expansion of the heat source pipe 51, so that the main body 61 and the heat source pipe 51 are not easily damaged and a water leakage accident is unlikely to occur.

In the heat exchanger 53, the surface 65 having each conduction groove 63 and each holding groove 64 of the main body 61 may be formed flat and provided parallel to the flat surface 68. In this case, the surface 65 can be stably placed on a flat place with the surface 65 facing down.
Further, the heat conducting member 52 is not limited to the shape shown in FIG. 10, and may be any shape as long as a part of the heat conducting member 52 is sandwiched between the respective conducting grooves 63 to cover the air conditioning area.

It is a perspective view which shows the heat exchanger and heat conductive member of the air conditioning apparatus of the 1st Embodiment of this invention. It is (a) sectional drawing of the heat exchanger of the air conditioning apparatus shown in FIG. 1, (b) It is sectional drawing across a communicating groove. It is sectional drawing which shows the use condition of the air conditioning apparatus shown in FIG. It is a top view which shows one unit of the air conditioning apparatus shown in FIG. It is a schematic perspective view which shows the use condition which has arranged the unit of the air conditioning apparatus shown in FIG. It is (a) top view and (b) bottom view which show the heat exchanger of the air-conditioning apparatus of the 2nd Embodiment of this invention. It is the (a) front view of the heat exchanger of the air conditioning apparatus shown in FIG. 6, (b) It is the sectional view on the AA line shown to Fig.6 (a). It is sectional drawing which shows the holding member of the air conditioning apparatus of the 2nd Embodiment of this invention. It is sectional drawing which shows the use condition of the air conditioning apparatus of the 2nd Embodiment of this invention. It is a top view which shows one unit of the air conditioning apparatus shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Heat insulating material 10 Air conditioner 11 Heat source pipe 12 Heat conduction member 13 Heat exchanger 21 Main body 22 Heat source groove 23 Conduction groove 24 Communication groove 25 Flat surface 26 Projection 27 Projection 28 Installation surface 30 Unit

Claims (7)

A heat exchanger that conducts heat of the heat source pipe to the heat conducting member,
An elongated body having a heat source groove and a pair of conductive grooves;
The groove for the heat source is provided along the length direction in the main body, and has a wall surface that fits the heat source tube and closely contacts the side surface thereof,
Each conducting groove is provided along the length direction of the main body at a position sandwiching the heat source groove with each other, and has a wall surface that sandwiches the heat conducting member and adheres to the side surface thereof,
The groove for heat source has an opening narrower than the diameter of the heat source tube;
The main body can insert the heat source tube into the heat source groove from the opening, hold the heat source tube in the heat source groove, and expand the heat source groove according to thermal expansion of the heat source tube, and Has elasticity to hold the heat conduction member in each conduction groove,
Each conducting groove has openings on opposite sides,
The heat conducting member comprises an elongated tube;
The body has a communication groove;
The communication groove is provided deeper than the diameter of the heat conducting member so as to cross the main body on the opposite side of the opening of the heat source groove, and a part thereof communicates with the bottom of the heat source groove to sandwich the heat conducting member. And having a wall that adheres to its side
Features heat exchanger.   2. The heat exchange according to claim 1, wherein the main body has flat surfaces on both sides sandwiching the opening of the heat source groove, and has a protrusion for preventing warpage along the length direction on the flat surface. vessel. A heat exchanger that conducts heat of the heat source pipe to the heat conducting member,
An elongated body having a heat source groove and a plurality of conductive grooves on opposite surfaces;
The groove for the heat source is provided along the length direction in the main body, and has a wall surface that fits the heat source tube and closely contacts the side surface thereof,
Each conduction groove is provided so as to be folded back from the side of the main body across the bottom side of the heat source groove, and has a wall surface that sandwiches the heat conduction member and adheres to its side surface.
Features heat exchanger. The groove for heat source has an opening narrower than the diameter of the heat source tube;
The main body can insert the heat source tube into the heat source groove from the opening, hold the heat source tube in the heat source groove, and expand the heat source groove according to the thermal expansion of the heat source tube. Has elasticity to hold the heat conduction member in each conduction groove,
The heat conducting member comprises an elongated tube;
Each conducting groove is provided deeper than the diameter of the heat conducting member, a part communicates with the bottom of the heat source groove, and both ends extend to the same side of the main body.
The heat exchanger according to claim 3, wherein Each conducting groove is arranged alternately at both ends on a pair of sides of the body,
The heat exchanger according to claim 3 or 4, characterized by the above. The body has a retaining groove;
The holding groove has an engaging portion, and is provided along the length direction of the main body across each conduction groove;
Having a holding member for engaging with the engaging portion of the holding groove and holding the heat conducting member sandwiched between the main body and
The heat exchanger according to claim 3, 4 or 5. An underfloor air conditioner,
The heat exchanger according to claim 1, 2, 3, 4, 5 or 6, a heat source pipe and a heat conducting member,
The heat source pipe is fitted into the heat source groove,
The heat conducting member is sandwiched between each conducting groove and spreads on both sides of the main body.
A featured air conditioning unit.

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