JP2007183054A - Storage type hot water supplier - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To lay out parts composing a heat pump hot water supplier without waste even in a narrow casing and to increase capacity of a storage tank by forming the storage tank as a square pole. <P>SOLUTION: In the storage type hot water supplier, a compressor 21 and a hot water tank 30 in the square pole shape are provided in a right-left direction of a separation plate 11 and a center of gravity position 30A of the storage tank 30 is positioned to an opposite side from a center 10A in the casing 10. In the storage tank 30, at least a part of an air coolant heat exchanger 23 is positioned at a rear side of the casing 10 and a part of the storage tank 30 is positioned to protrude to the rear side of the casing 10 compared to the air coolant heat exchanger 23. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention stores a refrigerant circulation circuit that circulates refrigerant in a closed circuit in which a compressor, a water refrigerant heat exchanger, an air refrigerant heat exchanger, and a decompression means are sequentially connected, and hot water heated by the water refrigerant heat exchanger. The present invention relates to a heat pump water heater that houses a hot water storage tank in a single housing.

In a conventional hot water storage type hot water supply apparatus, a refrigerant, a water refrigerant heat exchanger, an air refrigerant heat exchanger, a refrigerant circulation circuit that circulates refrigerant in a closed circuit in which pressure reducing means are sequentially connected, and the water refrigerant heat exchanger are heated. A hot water storage tank for storing warm water is housed in a single housing (see, for example, Patent Document 1).
Japanese Patent Laying-Open No. 2005-83712

  By the way, in the hot water storage type hot water supply apparatus as described above, since the refrigerant circulation circuit and the hot water storage tank are integrally stored, it is possible to save space for installation, especially considering the small housing situation in Japan. It can be said that it is the optimal configuration. Also, considering the small housing situation, it is considered that the demand for hot water storage hot water supply devices that are further miniaturized will increase. In order to reduce the size of the housing, it is essential to reduce the size of the hot water storage tank. However, if the size of the hot water storage tank is reduced, the capacity of the hot water storage tank is reduced accordingly. However, it becomes easy to happen that hot water cannot be used.

  In order to solve the above-described conventional problems, the hot water storage type hot water supply apparatus of the present invention is a refrigerant circulation circuit that circulates refrigerant in a closed circuit in which a compressor, a water refrigerant heat exchanger, an air refrigerant heat exchanger, and a decompression means are sequentially connected. A hot water storage tank that stores hot water heated by the water refrigerant heat exchanger, a connection valve that connects a water supply pipe that supplies water to the hot water storage tank, a fan that blows air to the air refrigerant heat exchanger, and water in the hot water storage tank A connecting valve that connects a water supply pipe that supplies water, a housing that integrally stores a refrigerant circulation circuit, a hot water storage tank, and a fan, and a hot water storage tank and a compressor are installed in the left-right direction, A connection valve is arranged, and the shape of the hot water storage tank is a quadrangular prism.

  If it is a conventional cylindrical hot water storage tank, useless space was generated when it was installed in the housing, but if the hot water storage tank is a quadrangular prism, there will be no useless space in the housing. The hot water storage capacity of the partial hot water tank can be increased. As a result, problems such as running out of hot water are less likely to occur.

  The hot water storage type hot water supply apparatus of the present invention has a rectangular shape as the shape of the hot water storage tank, and the components constituting the heat pump water heater can be disposed without waste even in a narrow housing, and the capacity of the hot water storage tank is increased. be able to.

The first invention includes a refrigerant circulation circuit that circulates refrigerant in a closed circuit in which a compressor, a water refrigerant heat exchanger, an air refrigerant heat exchanger, and a decompression means are sequentially connected, and hot water heated by the water refrigerant heat exchanger. A hot water storage tank for storage, a connection valve for connecting a water supply pipe for supplying water to the hot water storage tank, a fan for blowing air to the air refrigerant heat exchanger, a connection valve for connecting a water supply pipe for supplying water to the hot water storage tank, and a refrigerant It is equipped with a housing that houses the circulation circuit, hot water storage tank and fan in one piece, the hot water storage tank and compressor are installed in the left and right direction, a connection valve is placed in the front lower part of the hot water storage tank, and the shape of the hot water storage tank is a square pole It is a heat pump water heater.

  According to this, space can be used effectively in a limited housing, and the capacity of the hot water storage tank can be increased accordingly, so that problems such as running out of hot water are less likely to occur.

  In addition, in the second invention, in particular, in the first invention, at least a part of the air refrigerant heat exchanger is disposed on the rear side of the housing, and a part of the hot water storage tank is behind the housing than the air refrigerant heat exchanger. The hot water storage tank is arranged so as to protrude to the side, and a part of the hot water storage tank protrudes to the rear side of the housing from the air refrigerant heat exchanger, so that the housing is temporarily placed on the wall surface of the house, etc. Even when installed close to the air, an air passage to the air refrigerant heat exchanger can be secured.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
Hereinafter, a heat pump water heater according to an embodiment of the present invention will be described.

  FIG. 1 is a perspective view showing a schematic configuration of a heat pump water heater according to the present embodiment, FIG. 2 is a front view showing an internal arrangement of the heat pump water heater, FIG. 3 is a plan view of the heat pump water heater, and FIG. It is a top view of another form of a water heater.

  First, the overall configuration will be described with reference to FIGS.

  The heat pump water heater according to this embodiment includes a refrigerant circulation circuit 20 and a hot water storage tank 30 inside the housing 10.

  Inside the housing 10, two spaces are formed in the left-right direction by the partition plate 11, the refrigerant circulation circuit 20 is disposed in one space, and the hot water storage tank 30 having a quadrangular prism shape is disposed in the other space. .

  The refrigerant circulation circuit 20 is configured by a closed circuit in which a compressor 21, a water refrigerant heat exchanger 22, an air refrigerant heat exchanger 23, and a decompression means (not shown) are sequentially connected to circulate the refrigerant. In addition, what uses a carbon dioxide refrigerant as this refrigerant | coolant is preferable.

  Here, the compressor 21 and the water-refrigerant heat exchanger 22 are installed on the support plate 12. The air refrigerant heat exchanger 23 is arranged in a substantially L shape in plan view so as to cover the rear surface and side surface of one space of the housing 10. A plurality of fans 24 and 25 are arranged in one space of the housing 10. These fans 24 and 25 perform heat exchange in the air refrigerant heat exchanger 23.

  On the lower surface of the support plate 12, a chassis support leg 13 for installing the chassis 10 on the installation surface is provided.

  In addition, tank support legs 31 are provided below the hot water storage tank 30 to connect to the support plate 12.

In addition, a water supply pipe 32 for supplying water to the hot water storage tank 30, a hot water supply pipe 33 for deriving the hot water of the hot water storage tank 30 to the outside, a hot water supply pipe 34 for bath reheating, and a bath reheating service Connection valves 32A, 33A, 34A and 35A for connecting the water supply pipes 35 are arranged. The support plate 12 located in the lower front part of the hot water storage tank 30 is provided at a position higher than the other surfaces, and the connection valves 32A, 33A, 34A, 35A are arranged in the lower front part of the hot water storage tank 30. A space is formed. In FIG. 1, these connection valves 32A, 33A, 34A, and 35A are omitted.

  Next, the arrangement configuration of the compressor 21, the water refrigerant heat exchanger 22, the air refrigerant heat exchanger 23, and the hot water storage tank 30 will be described with reference to FIG.

  The compressor 21 and the hot water storage tank 30 are installed in the left-right direction of the partition plate 11. The compressor 21 is arranged such that the center of gravity position 21A of the compressor 21 is on the front side of the center 10A in the casing 10, and the hot water storage tank 30 has the center of gravity position 30A of the hot water storage tank 30 relative to the center 10A in the casing 10. It arrange | positions so that it may become a back side, and it arrange | positions so that the one part may protrude in the back side of the housing | casing 10 rather than the air refrigerant | coolant heat exchanger 23. FIG.

  The compressor 21 has the center of gravity position 21A of the compressor 21 on one side of the center 10A in the casing 10, and the hot water storage tank 30 has the center of gravity position 30A of the hot water storage tank 30 on the other side of the center 10A in the casing 10. Are arranged as follows.

  The three chassis support legs 13A, 13B, and 13C are arranged substantially evenly on the support plate 12 on the rear side of the virtual line 30B in the left-right direction passing through the center of gravity 30A of the hot water storage tank 30. The chassis support leg 13A is on one side of the support plate 12, the chassis support leg 13B is on a position overlapping the installation position of the partition plate 11, and the chassis support leg 13C is on the other side of the support plate 12. Provided.

  The two chassis support legs 13D and 13E are arranged on the support plate 12 on the front side of the virtual line 30B in the left-right direction passing through the center of gravity 30A of the hot water storage tank 30. The housing support legs 13D are provided on one side of the support plate 12, and the housing support legs 13E are provided on the projection surface of the hot water storage tank 30, respectively. And the housing support leg 13E by the side of the hot water storage tank 30 is provided in the back position rather than the housing support leg 13D by the side of the compressor 21A. Further, the three chassis support legs 13B, 13C, and 13E are arranged such that at least a part of the chassis support legs 13B, 13C, and 13E are positioned in the projection plane onto the support plate 12 of the hot water storage tank 30. Further, the two chassis support legs 13A and 13D are arranged so that at least a part of the chassis support legs 13A and 13D is located in the projection plane onto the support plate 12 of the water / refrigerant heat exchanger 22.

  As described above, according to the present embodiment, since the shape of the hot water storage tank 30 is a quadrangular prism, space can be effectively used in a limited housing, and the capacity of the hot water storage tank 30 can be increased accordingly. Problems such as running out of hot water are less likely to occur.

  Further, according to the present embodiment, at least a part of the air refrigerant heat exchanger 23 is disposed on the rear side of the housing 10, and a part of the hot water storage tank 30 is behind the housing 10 with respect to the air refrigerant heat exchanger 23. The hot water storage tank 30 is arranged so as to protrude to the rear, and a part of the hot water storage tank 30 is protruded to the rear side of the housing from the air refrigerant heat exchanger 23, so that the housing 10 is temporarily placed in the house. Even when it is installed close to the wall surface, the air passage to the air refrigerant heat exchanger 23 can be secured.

In addition, according to the present embodiment, the three frame support legs 13A, 13B, and 13C are arranged substantially evenly on the rear side of the horizontal line 30B passing through the center of gravity of the hot water storage tank 30, and from the virtual line 30B. Also, the chassis support legs 13D and 13E are arranged on the front side, and the chassis support legs 13E are provided at a position rearward of the chassis support legs 13D, so that the chassis support legs 13B, 13C, and 13E are mainly used when the hot water storage tank 30 stores hot water. 10 can be supported, and the body support legs 13A, 13C, 13D, and 13E can be supported mainly by the body support legs 13A when the hot water storage tank 30 is not hot.

  In addition, by arranging the hot water storage tank 30 so that the center of gravity position 30A of the hot water storage tank 30 is located behind the center 10A in the housing 10, a space can be easily formed on the front side of the housing 10, and the water supply pipe 32 is provided. It is easy to connect pipes and route pipes.

  In a form other than FIG. 3, as shown in FIG. 4, when a convex portion 50 is provided on the front side of the hot water storage tank 30 and connection wiring and piping connection are routed around the convex portion 50, connection is made within the housing 10. Wiring and piping connections can be accommodated in a minimum space, and the capacity of the hot water storage tank 30 can be further increased. Further, since the capacity is increased by the convex portion 50 as shown in FIG. 4, it is possible to secure a certain capacity that causes a part of the hot water storage tank 30 to protrude from the air refrigerant heat exchanger 23 to the rear side of the housing 10. A configuration in which a part of the hot water storage tank 30 protrudes to the rear side of the housing 10 from the air refrigerant heat exchanger 23 while providing the convex portion 50 may be adopted.

  INDUSTRIAL APPLICABILITY The present invention can be used as a heat pump water heater having heating and drying functions in addition to a hot water heater and a heat pump water heater having a boiling function.

The perspective view of the hot water storage type hot water supply apparatus of this Embodiment Configuration diagram of this embodiment Plan view of hot water storage type hot water supply apparatus of the present embodiment The top view of another form of the hot water storage type hot water supply apparatus of this Embodiment

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Housing 12 Support plate 13A, 13B, 13C, 13D, 13E Housing support leg 20 Refrigerant circulation circuit 21 Compressor 22 Water refrigerant heat exchanger 23 Air refrigerant heat exchanger 30 Hot water storage tank 30A Center of gravity 30B Virtual line 32 Water supply pipe 32A, 33A , 34A, 35A Connection valve 50 Convex

Claims (2)

A refrigerant circulation circuit for circulating the refrigerant in a closed circuit in which a compressor, a water refrigerant heat exchanger, an air refrigerant heat exchanger, a decompression means are sequentially connected, and a hot water storage tank for storing hot water heated by the water refrigerant heat exchanger; A connection valve for connecting a water supply pipe for supplying water to the hot water storage tank, a fan for blowing air to the air refrigerant heat exchanger, a connection valve for connecting a water supply pipe for supplying water to the hot water storage tank, and the refrigerant circulation A housing that integrally accommodates a circuit, the hot water storage tank, and the fan, the hot water storage tank and the compressor are installed in a left-right direction, the connection valve is disposed at a front lower portion of the hot water storage tank, and the hot water storage A heat pump water heater characterized in that the shape of the tank is a square pole. At least a part of the air refrigerant heat exchanger is arranged on the rear side of the housing, and the hot water storage tank is arranged so that a part of the hot water storage tank protrudes to the rear side of the housing from the air refrigerant heat exchanger. The heat pump water heater according to claim 1.

Images