JP2016156524A - Storage water heater - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a storage water heater that enables an auxiliary heat source machine usable independently to be easily attached to an existing hot water storage tank unit and that can be constituted inexpensively and compactly, etc. when building a hybrid hot water supply system.SOLUTION: A storage water heater 1 includes: a hot water storage tank 3 for storing heat generated by an external heat source machine as high-temperature hot water; an exterior case 4 for accommodating the hot water storage tank 3; and a fixation metal fitting 6 mounted to the exterior case 4 and connecting the exterior case 4 to a wall surface, etc. of a building for fixation. The storage water heater further includes an auxiliary heat source machine 5 for reheating when a hot water temperature in the hot water storage tank 3 is low. The auxiliary heat source machine 5 includes an upper fixation portion 5b and a lower fixation portion 5c. When the upper fixation portion 5b is directly fixed to the fixation metal fitting 6 for fixation, and the lower fixation portion 5c is directly mounted to the exterior case 4 for fixation, so that the auxiliary heat source machine 5 is mounted to the outer side of the exterior case 4 for fixation.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a hot water storage hot water supply apparatus, and more particularly to an apparatus including an auxiliary heat source device that performs reheating when the hot water temperature of a hot water storage tank is low.

  2. Description of the Related Art Conventionally, hot water storage and hot water supply devices that can generate hot water and store hot water and supply it to a desired hot water supply destination such as a hot water tap have been put to practical use. This type of hot water storage and hot water supply equipment includes a hot water storage tank for storing heat generated by an external heat source device as hot hot water, various valves such as a hot water mixing valve, various passages such as a water supply passage and a hot water supply passage, Various pumps such as a circulation pump and a box-shaped outer case for storing them are provided.

  Further, in the above hot water storage and hot water supply apparatus, there is generally known a hybrid hot water supply system including an auxiliary heat source device that reheats hot water when the temperature of the hot water stored in the hot water storage tank is insufficient. For example, the hot water storage hot water supply apparatus of Patent Document 1 has a dedicated auxiliary heat source machine (combustion device) that can be used independently in a hot water storage tank unit configured by storing a hot water storage tank or the like in a box. A structure is disclosed that is assembled as an integrated product by using a plurality of decorative covers, which are assembled via a gantry (support).

  By the way, in recent hot water storage and hot water supply apparatuses, in order to prevent a fall when an earthquake occurs, improvement in seismic performance is required. As this type of seismic performance structure, for example, in the hot water storage type water heater of Patent Document 2, a hot water storage tank and a heat insulating material are housed in the exterior case, and the upper end portion of the upper heat insulating material covering the upper part of the hot water storage tank. A structure is disclosed in which a fixing member made of a metal thin plate is integrally provided, and the shaking is suppressed by connecting the fixing member and a support structure such as a wall or a column with a connecting member made of a metal thin plate. ing.

JP2013-142482A JP2013-160494A

  However, in the hot water storage type hot water supply apparatus of Patent Document 1, a separate auxiliary heat source machine that can be used alone is assembled to the hot water storage tank unit and is configured as an integrated product. In this structure, the auxiliary heat source machine is assembled. For the purpose of use, and multiple decorative covers are required to improve the appearance, increasing the number of parts for assembling the hot water storage and hot water supply system, complicating the structure of the hot water storage and hot water supply system, and increasing the cost. There is a problem.

  In the first place, in order to build a hybrid hot water supply system for a hot water storage type hot water supply device, a dedicated hot water storage tank unit corresponding to the assembly of a separate auxiliary heat source machine is often required. It is difficult to use and lacks versatility, and there is a problem that the cost is increased as described above.

  By the way, a recent hot water storage hot water supply apparatus is required to have a compact configuration so that it can be installed in a small outdoor space. However, in the hot water storage hot water supply apparatus of Patent Document 1, a part of the box of the hot water storage tank unit is required. The exterior case is constructed by using a part of the box of the auxiliary heat source unit, a plurality of decorative covers, etc., and the exterior case is enlarged due to the structure in which the hot water storage tank and the auxiliary heat source unit are accommodated inside the exterior case. Therefore, there is a problem that the installation area of the hot water storage and hot water supply apparatus becomes large and the construction becomes difficult depending on the installation location.

  An object of the present invention is to provide a hot water storage and hot water supply apparatus that can be easily assembled with an auxiliary heat source unit that can be used alone when constructing a hybrid hot water supply system, and is low-cost and compact in configuration. It is to provide what is possible.

  The hot water storage and hot water supply apparatus according to claim 1 is a hot water storage tank for storing heat generated by an external heat source device as high temperature hot water, an exterior case for housing the hot water storage tank, and an exterior case attached to the exterior case. A hot water storage and hot water supply apparatus including a fixing metal fitting connected and fixed to a wall surface of the hot water storage apparatus, and the auxiliary heat source machine that performs reheating when the temperature of the hot water in the hot water storage tank is low, the auxiliary heat source machine via the fixing metal fitting. It is characterized by being attached and fixed to the outside of the exterior case.

  A hot water storage and hot water supply apparatus according to a second aspect is the invention according to the first aspect, wherein the auxiliary heat source device includes an upper fixing portion and a lower fixing portion, and the upper fixing portion is directly attached and fixed to the fixing bracket. The lower fixing portion is directly attached and fixed to the outer case.

  According to a third aspect of the present invention, there is provided the hot water storage and hot water supply apparatus according to the first aspect, wherein the auxiliary heat source device is indirectly attached and fixed to the fixing bracket via an attachment member.

  According to a fourth aspect of the present invention, there is provided the hot water storage and hot water supply apparatus according to the third aspect of the invention, wherein a lower end portion of the mounting member is fixed to an installation surface of the hot water storage and hot water supply apparatus.

  According to the first aspect of the present invention, the hot water storage and hot water supply apparatus includes the auxiliary heat source device that performs reheating when the hot water temperature in the hot water storage tank is low, and the auxiliary heat source device is attached to the outside of the exterior case via the fixing bracket. Because it is fixed, when constructing a hybrid hot water supply system by combining a hot water storage tank and an auxiliary heat source machine, the seismic fixing bracket is not connected and fixed to the wall of the building, etc., depending on the installation location of the hot water hot water supply system In this case, the auxiliary heat source machine can be easily attached and fixed to the outer case using the fixing bracket.

  Therefore, it is possible to easily attach and fix the auxiliary heat source machine to the exterior case via the fixing bracket, so that it is possible to install and fix the auxiliary heat source machine and fix the auxiliary cover for improving the appearance as much as possible. An existing hot water storage tank unit can be used, and a hybrid hot water supply system can be constructed with a low cost and simple structure. In addition, since the auxiliary heat source machine can be mounted and fixed without changing the size of the existing exterior case, the hot water storage and hot water supply apparatus can be made compact.

  According to the invention of claim 2, the auxiliary heat source device includes the upper fixing portion and the lower fixing portion, and the upper fixing portion is directly attached and fixed to the fixing bracket, and the lower fixing portion is directly attached to the exterior case. Therefore, the auxiliary heat source device can be easily and reliably attached and fixed to the outside of the outer case by using an existing earthquake-resistant fixing bracket.

  According to the invention of claim 3, since the auxiliary heat source machine is indirectly attached and fixed to the fixing bracket via the mounting member, the auxiliary heat source unit is attached to the outer case using the existing earthquake-resistant fixing bracket. While being able to be fixed and fixed to the outside easily and reliably, by using the mounting member, it is possible to reduce the number of locations where the auxiliary heat source device is directly fixed to the exterior case via screws or the like.

  According to invention of Claim 4, since the lower end part of the attachment member is being fixed to the installation surface of the hot water storage hot-water supply apparatus, it is similar to the case where the fixation member is fixed to the wall surface of a building, etc. The seismic performance of the hot water storage hot water supply device can be improved.

1 is a schematic configuration diagram of a hot water storage hot water supply apparatus according to Embodiment 1. FIG. It is a side view of the upper part of a hot water storage hot-water supply apparatus. It is a front view of an auxiliary heat source machine. It is a side view of the upper part of the hot water storage hot-water supply apparatus which concerns on Example 2. FIG. It is a perspective view of an attachment member. It is a side view of the hot water storage hot-water supply apparatus which concerns on Example 3. FIG. It is a perspective view of an attachment member.

  Hereinafter, modes for carrying out the present invention will be described based on examples.

First, the overall structure of the hot water storage hot water supply apparatus 1 according to the present invention will be described.
As shown in FIGS. 1 and 2, a hot water storage and hot water supply apparatus 1 includes a hot water storage tank 3 that stores heat generated by an external heat source machine (not shown) as high-temperature hot water, an exterior case 4 that stores the hot water storage tank 3, and the like. A hot water storage tank unit 2 and an auxiliary heat source machine 5 for reheating when the hot water temperature in the hot water storage tank 3 is low. By combining the hot water storage tank 3 and the auxiliary heat source machine 5, a hybrid hot water supply system is constructed in the hot water storage hot water supply apparatus 1.

  The hot water storage and hot water supply apparatus 1 includes various pipes such as a water supply pipe and a hot water supply pipe, various valves such as a mixing valve and an on-off valve, a control unit, and the like, in addition to the above-described appliances, but illustration thereof is omitted. The hot water storage tank unit 2 is fixed to an installation surface such as the ground via a plurality of leg members for supporting the hot water storage tank 3, but the fixing structure of the hot water storage tank unit 2 is a known structure. Therefore, a specific description is omitted.

  The hot water storage and hot water supply device 1 is, for example, for circulating hot water between a heat pump type heat source device having a heat pump circuit as an external heat source device and a circulation pump between the heat pump type heat source device and the hot water storage hot water supply device 1. Although a heat pump type hot water supply apparatus is configured by combining with a hot water circulation pipe or the like, detailed description of the configuration other than the hot water storage hot water supply apparatus 1 is omitted.

Next, the hot water storage tank 3 will be described.
As shown in phantom lines in FIGS. 1 and 2, the hot water storage tank 3 is a tank for storing hot hot water, and is a stainless steel body member excellent in corrosion resistance and a pair of end plates that close both upper and lower ends thereof. It consists of and. That is, the hot water storage tank 3 is integrally constituted by a body portion 3a having a vertically long cylindrical outer peripheral surface, a curved top portion 3b having an upper end portion, and a curved bottom portion 3c having a lower end portion. The periphery of the hot water storage tank 3 is covered with a heat insulating material (not shown) made of a synthetic resin foam molding material made of foamed polypropylene, foamed polystyrene or the like.

  The hot water storage tank 3 is connected with a water supply pipe, a hot water circulation pipe, a hot water supply pipe, etc., respectively, so that the hot water from the water source can be replenished into the hot water storage tank 3 through the water supply pipe. Hot water is heated by the external heat source device, and hot hot water (for example, 65 to 90 ° C.) stored in the hot water storage tank 3 can be supplied to a desired hot water supply destination via the hot water supply pipe.

Next, the exterior case 4 will be described.
As shown in FIGS. 1 and 2, the exterior case 4 is configured as a rectangular parallelepiped box with a plurality of exterior plates 4 a to 4 f made of metal thin plates. The plurality of exterior plates 4a to 4f include an exterior plate 4a serving as a front side plate, exterior plates 4b and 4c serving as a pair of left and right side plates, an exterior plate 4d serving as a rear side plate, an exterior plate 4e serving as a top plate, and an exterior package serving as a bottom plate. It has a plate 4f.

  In the exterior case 4, in addition to the hot water storage tank 3 and the heat insulating material, various pipes, various valves, a drive pump, a plurality of temperature sensors, and the like are accommodated. Each exterior board 4a-4f is comprised by the color steel plate whose thickness is 0.3-0.5 mm, for example.

Next, the auxiliary heat source unit 5 will be described.
As shown in FIGS. 1 to 3, the auxiliary heat source unit 5 is installed outside the hot water storage tank unit 2 and is configured by a known gas water heater. The auxiliary heat source unit 5 is combusted only when the hot water temperature in the hot water storage tank 3 is lowered, and heats the hot water so as to reach the target hot water supply set temperature. In addition, although the auxiliary heat source machine 5 of a present Example is set to the height about 1/3 of the height of the hot water storage tank unit 2, it does not need to be specifically limited to this size.

  The auxiliary heat source unit 5 incorporates a burner unit, a heat exchanger, various pipes such as a fuel supply pipe, a water supply pipe and a hot water supply pipe, various valves such as a mixing valve and an on-off valve, etc. inside the case member 5a. These are not shown in the figure. The auxiliary heat source device 5 includes a pair of fixing portions 5b and 5c provided at both upper and lower ends of the case member 5a, and is attached to the hot water storage tank unit 2 via the upper fixing portion 5b and the lower fixing portion 5c. .

  The upper fixing portion 5b and the lower fixing portion 5c are each formed from a metal thin plate into a horizontally long flat plate shape, and each include a plurality of mounting holes. The upper fixing portion 5b is fixed to the upper end portion of the case member 5a in a vertical orientation so as to slightly protrude from the back surface of the case member 5a toward the exterior case 4, and the lower fixing portion 5c is fixed to the lower end portion of the case member 5a. It is fixed in a vertically oriented posture so as to slightly protrude from the back surface of the case member 5a to the exterior case 4 side. A structure for attaching the auxiliary heat source unit 5 to the back side of the hot water storage tank unit 2 will be described later.

  The hot water storage and hot water supply apparatus 1 is controlled by a control unit (not shown). The control unit is composed mainly of a CPU, a ROM, and a RAM for executing various operations such as a hot water supply operation. Detection signals of various sensors are transmitted to the control unit, and the control unit operates the external heat source machine, operates the auxiliary heat source machine 5, activates / stops various pumps, and switches the open / close states of various valves. Control the degree of adjustment, etc., and perform various operations (hot water storage operation, hot water supply operation, etc.).

Next, the fixture 6 will be described.
As shown in FIGS. 1 and 2, the fixing bracket 6 is for connecting and fixing the back side of the exterior case 4 to the wall surface of the building, and the like, and is provided behind the exterior plate 4 e that becomes the top plate of the exterior case 4. It is attached to the side part so that the position can be adjusted in the front-rear direction. The fixing bracket 6 is formed in an L shape in a side view from a metal thin plate, and extends in the front-rear direction, and a vertical plate portion 6b extending orthogonally upward from the rear end portion of the horizontal plate portion 6a. And.

  When the hot water storage and hot water supply device 1 is connected and fixed to the wall surface or the like of the building via the fixing bracket 6, after adjusting the mounting position of the fixing bracket 6 so that the vertical plate portion 6 b of the fixing bracket 6 contacts the wall surface. The horizontal plate portion 6a of the fixing bracket 6 is fixed to the exterior plate 4e via a plurality of screws 6c, and the vertical plate portion 6b is fixed to the wall surface via a plurality of bolts to connect and fix the hot water storage and hot water supply device 1 to the wall surface. Is possible.

  The fixing bracket 6 related to the present invention does not necessarily need to be connected and fixed to the wall surface of the building, and other fixing members are used without using the fixing bracket 6 depending on the installation location of the hot water storage hot water supply device 1. The seismic performance of the hot water storage and hot water supply device 1 may be improved. In this embodiment, the fixing bracket 6 is adjusted in position so that the vertical plate portion 6b is flush with the exterior plate 4d that is the rear side plate of the exterior case 4, and the horizontal plate portion 6a is fixed to the exterior case 4. Yes.

Next, a structure for attaching the auxiliary heat source unit 5 to the hot water storage tank unit 2 will be described.
As shown in FIGS. 1 and 2, the auxiliary heat source device 5 is fixedly attached to the back side of the exterior case 4 on the outer side of the exterior case 4 via a fixing metal 6. That is, the upper fixing portion 5b of the auxiliary heat source machine 5 is brought into contact with the vertical plate portion 6b of the fixing bracket 6, and is directly attached and fixed to the vertical plate portion 6b via two sets of bolts 7a and nuts 7b. The lower fixing portion 5c of the auxiliary heat source device 5 is in contact with the upper portion of the outer casing 4d of the outer casing 4 near the middle step, and is directly attached and fixed to the outer casing 4d via a plurality of screws 8. A slight gap is formed between the back surface of the case member 5a of the auxiliary heat source device 5 in the fixed state and the surface of the exterior plate 4d.

Next, the operation and effect of the hot water storage and hot water supply apparatus 1 of the present invention will be described.
The hot water storage hot water supply apparatus 1 includes an auxiliary heat source device 5 that performs reheating when the temperature of the hot water in the hot water storage tank 3 is low, and the auxiliary heat source device 5 is attached and fixed to the outside of the exterior case 4 via a fixing bracket 6. Therefore, when a hybrid hot water supply system is constructed by combining the hot water storage tank 3 and the auxiliary heat source unit 5, the seismic fixing metal fitting 6 is connected and fixed to the wall surface of the building according to the installation location of the hot water hot water supply apparatus 1 or the like. If not, the auxiliary heat source unit 5 can be easily attached and fixed to the exterior case 4 using the fixing bracket 6.

  Accordingly, since the auxiliary heat source unit 5 can be easily attached and fixed to the outer case 4 via the fixing bracket 6, a dedicated base for attaching and fixing the auxiliary heat source unit 5 and a decorative cover for improving the appearance are used as much as possible. Even if not provided, the existing hot water storage tank unit 2 can be used, and a hybrid hot water supply system can be constructed with a low cost and simple structure. In addition, since the auxiliary heat source unit 5 can be attached and fixed without changing the size of the existing exterior case 4, the hot water storage and hot water supply device 1 can be configured in a compact manner.

  The auxiliary heat source device 5 includes an upper fixing portion 5b and a lower fixing portion 5c. The upper fixing portion 5b is directly attached and fixed to the fixing bracket 6, and the lower fixing portion 5c is directly attached to the outer case 4. Therefore, the auxiliary heat source unit 5 can be easily and reliably attached and fixed to the outside of the outer case 4 using the existing seismic fixing bracket 6.

  Next, a second embodiment in which the hot water storage and hot water supply apparatus 1 according to the first embodiment is partially changed will be described. In the first embodiment, the auxiliary heat source unit 5 is directly attached and fixed to the fixing bracket 6, but in the second embodiment, the auxiliary heat source unit 5 is indirectly fixed to the fixing bracket 6. .

  As shown in FIGS. 4 and 5, the auxiliary heat source device 5 is indirectly attached and fixed to the fixture 6 via an attachment member 11. The position of the fixing bracket 6 is adjusted so that the vertical plate portion 6b protrudes rearward by a predetermined stroke (the length of the horizontal plate portion 11b of the mounting plate portion 11) from the exterior plate 4d that is the rear side plate of the exterior case 4. The horizontal plate portion 6 a is fixed to the exterior case 4.

Next, the attachment member 11 will be described.
As shown in FIG. 5, the attachment member 11 is formed in a crank shape from a metal thin plate in a side view, and extends in a vertical direction from a lower end portion of the fixed plate portion 11 a and a fixed plate portion 11 a extending in the vertical direction. A short horizontal plate portion 11b extending and a short lower plate portion 11c extending perpendicularly downward from the front end portion of the horizontal plate portion 11b are provided. The width of the attachment member 11 is set to be approximately the same as the width of the pair of fixing portions 5b and 5c of the auxiliary heat source device 5. The length of the fixed plate portion 11a in the vertical direction is set slightly longer than the height of the auxiliary heat source unit 5.

  The upper end portion of the fixing plate portion 11a of the attachment member 11 is directly attached and fixed to the vertical plate portion 6b of the fixing bracket 6 via two sets of bolts 12a and nuts 12b, and the lower plate portion 11c of the attachment member 11 is The outer case 4 is attached and fixed to the upper portion of the outer plate 4d of the outer case 4 via a plurality of screws 13. The lower plate portion 11c of the attachment member 11 may be bonded and fixed to the exterior plate 4d of the exterior case 4 with a double-sided tape or the like instead of the plurality of screws 13.

Next, a structure for attaching the auxiliary heat source unit 5 to the hot water storage tank unit 2 will be described.
As shown in FIG. 4, the upper fixing portion 5b of the auxiliary heat source unit 5 is directly attached and fixed to the upper end portion of the fixing plate portion 11a of the attachment member 11 via two sets of bolts 14a and nuts 14b. The lower fixing portion 5c of the machine 5 is directly attached and fixed to the lower end portion of the fixing plate portion 11a of the attachment member 11 via two sets of bolts 15a and nuts 15b.

  According to this structure, the auxiliary heat source machine 5 is indirectly attached and fixed to the fixing bracket 6 via the mounting member 11, so that the auxiliary heat source machine 5 is installed on the exterior using the existing earthquake-resistant fixing bracket 6. It can be easily and securely attached and fixed to the outside of the case 4, and by using the attachment member 11, the number of places where the auxiliary heat source unit 5 is directly fixed to the exterior case 4 via screws or the like can be reduced. it can. Other configurations, operations, and effects are the same as those in the first embodiment, and thus description thereof is omitted.

  Next, a third embodiment in which the mounting member 11 of the second embodiment is partially changed will be described. In the second embodiment, the lower end portion of the attachment member 11 is fixed to the exterior case 4, but in the third embodiment, the lower end portion of the attachment member 11 is fixed to the installation surface of the hot water storage hot water supply device 1. .

  As shown in FIGS. 6 and 7, the auxiliary heat source device 5 is indirectly attached and fixed to the fixing bracket 6 via an attachment member 11 </ b> B. The position of the fixing bracket 6 is adjusted so that the vertical plate portion 6b protrudes rearward by a predetermined stroke (the length of the horizontal plate portion 11b of the mounting plate portion 11) from the exterior plate 4d that is the rear side plate of the exterior case 4. The horizontal plate portion 6 a is fixed to the exterior case 4.

Next, the attachment member 11B will be described.
As shown in FIG. 7, the attachment member 11B is formed in a vertically long L shape from a metal thin plate in a side view, and extends rearward from the lower end portion of the fixing plate portion 11Ba extending in the vertical direction. And a short horizontal plate portion 11Bb extending orthogonally. The width of the attachment member 11 </ b> B is set to be approximately the same as the width of the pair of fixing portions 5 b and 5 c of the auxiliary heat source machine 5. The vertical length of the fixed plate portion 11Ba is set to be approximately the same as the height of the hot water storage tank unit 2.

  The upper end portion of the fixing plate portion 11Ba of the attachment member 11B is attached and fixed to the vertical plate portion 6b of the fixture 6 via two sets of bolts 12a and nuts 12b. The horizontal plate portion 11Bb of the attachment member 11B is a hot water storage hot water supply device. For example, a plurality of anchor bolts 17 are fixed to contact with one installation surface.

Next, a structure for attaching the auxiliary heat source unit 5 to the hot water storage tank unit 2 will be described.
As shown in FIGS. 6 and 7, the upper fixing portion 5b of the auxiliary heat source machine 5 is directly attached and fixed to the upper end portion of the fixing plate portion 11Ba of the attachment member 11B via two sets of bolts 14a and nuts 14b. The lower fixing portion 5c of the auxiliary heat source device 5 is directly attached and fixed to the upper portion of the fixing plate portion 11Ba of the mounting member 11B closer to the middle step portion via two sets of bolts 15a and nuts 15b.

  According to this structure, since the lower end portion of the attachment member 11B is fixed to the installation surface of the hot water storage and hot water supply device 1, the attachment member 11B is interposed via the attachment member 11B as in the case where the fixation member 6 is fixed to the wall surface of the building. Thus, the seismic performance of the hot water storage hot water supply device 1 can be improved. Since other configurations, operations, and effects are the same as those in the first and second embodiments, the description thereof is omitted.

  As shown in FIG. 7, the space below the auxiliary heat source unit 5 may be used for attaching various pipes of the hot water storage hot water supply apparatus 1. That is, various pipes may be collectively attached to the lower portion of the fixing plate portion 11Ba of the attachment member 11B from the attachment location of the auxiliary heat source unit 5 by the support member 21 that can be attached to and detached from the fixing plate portion 11Ba.

Next, the form which changed the said Examples 1-3 partially is demonstrated.
[1] In the first to third embodiments, the auxiliary heat source unit 5 is directly or indirectly attached and fixed to the outside of the outer case 4 by using the earthquake-resistant fixing bracket 6 installed in the outer case 4 in advance. If it does, it is not necessary to limit in particular to the structure of Examples 1-3, The fixing structure of the auxiliary heat source machine 5 can be changed suitably.

[2] In the second and third embodiments, the structure of the attachment members 11 and 11B is only an example, and is not particularly limited to these structures. The auxiliary heat source unit 5 is not limited to these structures. The structure of the attachment member can be appropriately changed as long as it can be indirectly attached and fixed to the outside of the exterior case 4.

[3] In addition, those skilled in the art can implement the present invention in various forms with various modifications without departing from the spirit of the present invention, and the present invention includes such modifications. It is.

1, 1A, 1B Hot water storage hot water supply device 3 Hot water storage tank 4 Exterior case 5 Auxiliary heat source machine 5b Upper fixing part 6 Fixing bracket 11, 11B Mounting member

Claims (4)

A hot water storage tank that stores the heat generated by the external heat source device as high-temperature hot water, an exterior case that accommodates the hot water storage tank, and a fixing bracket that is attached to the exterior case and is connected to and fixed to the wall surface of the building In a hot water storage and hot water supply device equipped with
An auxiliary heat source machine that performs reheating when the hot water temperature in the hot water storage tank is low,
The hot water storage and hot water supply apparatus is characterized in that the auxiliary heat source device is attached and fixed to the outside of the outer case through the fixing bracket. The auxiliary heat source machine includes an upper fixing part and a lower fixing part,
The hot water storage and hot water supply apparatus according to claim 1, wherein the upper fixing portion is directly attached and fixed to the fixing bracket, and the lower fixing portion is directly attached and fixed to the exterior case. .   The hot water storage and hot water supply apparatus according to claim 1, wherein the auxiliary heat source machine is indirectly attached and fixed to the fixing bracket via an attachment member.   The hot water storage and hot water supply apparatus according to claim 3, wherein a lower end portion of the mounting member is fixed to an installation surface of the hot water storage and hot water supply apparatus.