JP2013217619A - Hot water storage type hot water supply system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hot water storage type hot water supply system that allows a user to use hot water in a hot water storage tank without any troubles in emergency caused by an earthquake.SOLUTION: A hot water storage type hot water supply system includes: a hot water storage tank 7 storing hot water; an announcing means (bathroom remote controller 21, kitchen remote controller 31) capable of executing an operation of announcing information to a user; an earthquake detecting means (earthquake detector 10) detecting an earthquake; and a control means (controlling unit 11) that allows the announcing means, when an earthquake of a predetermined level or higher is detected by the earthquake detecting means, to execute an operation of announcing, to a user, the information about a use method of hot water in the hot water storage tank 7 in emergency.

Description

  The present invention relates to a hot water storage type hot water supply system.

  Hot water storage hot water supply systems that boil high-temperature hot water by a heating means such as a heat pump and store it in a hot water storage tank and supply hot water from the hot water storage tank to the outside as needed are widely used. The hot water storage tank is always filled with hot water, and it is desired that hot water stored in the hot water storage tank can be used as domestic water in case of an emergency such as a water outage due to an earthquake or a power failure. In Patent Document 1, an electric water heater provided with a water storage tank (hot water storage tank), a water supply section for supplying water to the water storage tank, and a drainage section for supplying water from the water storage tank to the home is seized by an acceleration sensor. A technology that secures water in the water tank by stopping the water supply of the water supply unit and the drainage of the drainage unit when an earthquake of a predetermined seismic intensity or higher is detected by installing an earthquake detection unit that detects shaking of the water It is disclosed.

JP 2010-127473 A

  When the user uses hot water in the hot water storage tank in the event of an emergency such as a water outage or power outage due to an earthquake, a special usage method that is different from normal use is required, such as taking water directly from the hot water storage tank. For this reason, if the user does not know how to use such an emergency, the user may have difficulty using the hot water in the hot water storage tank.

  In addition, tank units with built-in hot water storage tanks are installed both outdoors and indoors, but are generally installed behind buildings or installed in meter boxes in apartment buildings. In many cases, the user does not see the tank unit on a daily basis. For this reason, when the user needs to use the hot water in the hot water storage tank in an emergency, it may be difficult to use the hot water in the hot water storage tank because the location of the hot water storage tank is unknown.

  The present invention has been made to solve the above-described problems, and an object thereof is to provide a hot water storage hot water supply system that allows a user to smoothly use hot water in a hot water storage tank in an emergency due to an earthquake. And

  A hot water storage hot water supply system according to the present invention includes a hot water storage tank for storing hot water, a notification means capable of performing an operation for notifying information to a user, an earthquake detection means for detecting an earthquake, and an earthquake detection means that exceeds a predetermined standard. Control means for causing the notifying means to execute an operation for notifying the user of information relating to the method of using the hot water in the hot water storage tank in the event of an emergency.

  According to the present invention, when an earthquake occurs, it is possible to notify the user how to use the hot water in the hot water storage tank in an emergency, so that the user can smoothly use the hot water in the hot water storage tank. It becomes possible.

It is a block diagram which shows the hot water storage type hot-water supply system of Embodiment 1 of this invention. It is a perspective view which shows the bathroom remote control in Embodiment 1 of this invention. It is a perspective view which shows the kitchen remote control in Embodiment 1 of this invention. It is a flowchart which shows the control action of the control part at the time of the occurrence of an earthquake in Embodiment 1 of this invention.

  Embodiments of the present invention will be described below with reference to the drawings. In addition, the same code | symbol is attached | subjected to the element which is common in each figure, and the overlapping description is abbreviate | omitted.

Embodiment 1 FIG.
FIG. 1 is a configuration diagram showing a hot water storage type hot water supply system according to Embodiment 1 of the present invention. As shown in FIG. 1, the hot water storage hot water supply system of the present embodiment includes a tank unit 1, a heat pump unit 2 as a heating means, a bathroom remote controller 21, a kitchen remote controller 31, and an additional remote controller 41 as user interface devices. Yes. The tank unit 1 includes a hot water storage tank 7, an earthquake detector 10 (earthquake detection means), a control unit 11 (control means) for controlling the operation of the hot water storage hot water supply system, pumps and valves (not shown), and the like. Built in. The control unit 11 is connected to the heat pump unit 2 via the communication line 5. The control unit 11 is connected to the bathroom remote controller 21, the kitchen remote controller 31, and the additional remote controller 41 via the communication line 6. The bathroom remote controller 21 is installed on the wall of the bathroom, the kitchen remote controller 31 is installed on the kitchen wall, and the additional remote controller 41 is installed in other locations. In the present embodiment, three remote control devices are provided as described above, but the number of remote control devices is not limited to this, and may be one or two.

  Connected to the lower part of the hot water storage tank 7 is a water inlet side pipe 8 that guides water supplied from an external water source such as a water supply into the hot water storage tank 7. In the middle of the incoming water side pipe 8, an incoming water side pipe opening / closing valve 13 capable of closing the incoming water side pipe 8 is installed. The water inlet side pipe opening / closing valve 13 is connected to the control unit 11 via the communication line 16, and the opening / closing is controlled by the control unit 11. The hot water storage tank 7 is connected to the heat pump unit 2 via the return pipe 3 and the forward pipe 4. A hot water supply side pipe 9 through which hot water taken out from the hot water storage tank 7 passes is connected to the upper part of the hot water storage tank 7. In the middle of the hot water side pipe 9, a hot water side pipe opening / closing valve 12 capable of closing the hot water side pipe 9 is installed. The hot water side pipe opening / closing valve 12 is connected to the control unit 11 via the communication line 14, and the control unit 11 controls the opening / closing.

  The earthquake detector 10 is connected to the control unit 11 via the communication line 15. The earthquake detector 10 includes a vibration detection unit (for example, an acceleration sensor) that can convert vibration into an electrical signal. The vibration detection unit detects vibration due to the earthquake, and the detection result is transmitted to the control unit 11 through the communication line 15. Can be sent to.

  The user can set a desired operation by operating the bathroom remote controller 21, the kitchen remote controller 31, or the additional remote controller 41. Information set by the bathroom remote controller 21, the kitchen remote controller 31, or the additional remote controller 41 is transmitted to the control unit 11, and the control unit 11 performs pumps and valves in the heat pump unit 2 and the tank unit 1 based on the information. By controlling, various operations such as boiling operation are controlled. During the boiling operation, the water stored in the hot water storage tank 7 is sent to the heat pump unit 2 through the forward piping 4, and the hot water heated in the heating heat exchanger (not shown) in the heat pump unit 2 is heated. It is sent to the hot water storage tank 7 through the return pipe 3 and flows into the hot water storage tank 7 from above.

  FIG. 2 is a perspective view showing bathroom remote controller 21 according to Embodiment 1 of the present invention. As shown in FIG. 2, the bathroom remote controller 21 includes a bathroom remote controller display unit 22 composed of, for example, a liquid crystal display device or an organic EL display device, a bathroom remote controller operation unit 23 (operation means) having a plurality of switches, a bathroom A remote control speaker 24 is provided. The bathroom remote controller display unit 22 can display information such as the temperature of the hot water stored in the hot water storage tank 7 (hot water temperature), the amount of hot water stored, the hot water temperature, the time, and the heating mode. The user operates the bathroom remote control operation unit 23 to change settings such as the target boiling temperature of the hot water storage tank 7, the hot water supply temperature, the heating mode, and the display content of the bathroom remote control display unit 22. be able to. The bathroom remote control speaker 24 generates operation sounds and notification sounds when the bathroom remote control operation unit 23 is operated. The configuration of the bathroom remote control 21 is not limited to the above configuration, and for example, a touch panel (touch screen) having both the function of the bathroom remote control display unit 22 and the function of the bathroom remote control operation unit 23 may be provided. .

  FIG. 3 is a perspective view showing the kitchen remote controller 31 according to the embodiment of the present invention. As shown in FIG. 3, the kitchen remote control 31 includes a kitchen remote control display unit 32, a kitchen remote control operation unit 33, and a kitchen remote control speaker 34. Since the configuration of the kitchen remote control 31 is substantially the same as that of the bathroom remote control 21, the description thereof is omitted. Further, the configuration of the additional remote controller 41 is substantially the same as that of the bathroom remote controller 21 and the kitchen remote controller 31, and thus the description thereof is omitted.

  FIG. 4 is a flowchart showing the control operation of the control unit 11 when an earthquake occurs in Embodiment 1 of the present invention. When the earthquake detector 10 detects an earthquake shake, the controller 11 determines whether or not the earthquake is equal to or greater than a predetermined reference (step S1). This predetermined standard is set in advance as a value (for example, seismic intensity, vibration acceleration, etc.) corresponding to the magnitude of an earthquake that may cause a water cut or power outage after the earthquake.

  If it is determined in step S1 that an earthquake greater than the reference has not occurred, the process returns to the start of processing. On the other hand, if it is determined in step S1 that an earthquake exceeding the reference has occurred, the process proceeds to step S2. In step S <b> 2, a control for closing the hot water side pipe on / off valve 12 and the water inlet side pipe on / off valve 13 is performed. As described above, in the present embodiment, when an earthquake exceeding the reference occurs, the discharge side pipe on / off valve 12 and the water inlet side pipe on / off valve 13 are closed to leak from the hot water side pipe 9 or from the water inlet side pipe 8. Inflow of muddy water and the like can be prevented, and hot water in the hot water storage tank 7 can be ensured reliably. For this reason, the hot water in the hot water storage tank 7 can be used reliably in the event of an emergency such as a water outage or a power failure.

  Subsequent to the process in step S2, the process proceeds to step S3. In step S3, it is determined whether or not the earthquake shake has stopped. If it is determined that the earthquake shake has not yet stopped, the process returns to the start of the process. If it is determined that the earthquake shake has stopped, the process returns to step S4. Transition. In step S4, an operation of notifying the user of information on how to use the hot water in the hot water storage tank 7 in an emergency from the bathroom remote controller 21, the kitchen remote controller 31, or the additional remote controller 41 is executed.

  The “method of using hot water in the hot water storage tank 7 in an emergency” is a method described in the instruction manual of the hot water storage type hot water supply system, for example, the following procedure. (1) If the leg front cover of the tank unit 1 is attached, remove the leg front cover. (2) Lower the power lever of the tank unit 1 to “OFF”. (3) Open the relief valve operation window provided in the upper part of the tank unit 1 and open the relief valve. (4) Open the emergency intake tap provided at the bottom of the tank unit 1. When the emergency intake tap is opened by such a series of procedures, air can flow into the hot water storage tank 7 from the relief valve, so that hot water in the hot water storage tank 7 can be taken from the emergency intake tap into a bucket or the like. it can. In step S4, the above-mentioned emergency usage method is displayed on the display unit such as the bathroom remote control display unit 22 and the kitchen remote control display unit 32 in the form of a figure or text, or the bathroom remote control speaker 24 and the kitchen remote control speaker. Announcement is made by voice from a speaker such as 34, so that the user is notified.

  Subsequent to the process in step S4, the process proceeds to step S5. In step S5, an operation of notifying the user of the installation location of the tank unit 1 (hot water storage tank 7) from the bathroom remote controller 21, the kitchen remote controller 31, or the additional remote controller 41 is executed. Here, the tank unit 1 has both a case where it is installed outdoors and a case where it is installed indoors. Generally, the tank unit 1 is installed behind the building or installed in a meter box in an apartment house. In many cases, the user does not see the tank unit 1 on a daily basis. For this reason, the user often does not know or forget the installation location of the tank unit 1. Therefore, when the hot water storage system is installed, an installer or a user inputs information on the installation location of the tank unit 1 (hot water storage tank 7) into the bathroom remote controller 21, the kitchen remote controller 31, the additional remote controller 41, or other input. Input from the device and stored in the control unit 11. In step S5, the information regarding the installation location of the tank unit 1 (hot water storage tank 7) stored in advance in the control unit 11 in the above manner is displayed on the display unit such as the bathroom remote control display unit 22 or the kitchen remote control display unit 32. Or by making a voice announcement from a speaker such as the bathroom remote control speaker 24 or the kitchen remote control speaker 34 to perform an operation for notifying the user.

  Subsequent to the process in step S5, the process proceeds to step S6. In step S6, the child lock which invalidates the operation of the operation units of the bathroom remote control operation unit 23, the kitchen remote control operation unit 33, and the additional remote control 41 is set. Thereafter, the process returns to the start. By automatically setting the child lock in this way, the notification operation regarding the method of using the hot water in the hot water storage tank 7 and the installation location of the tank unit 1 (hot water storage tank 7) in an emergency is automatically released by a child or the like. Thus, it is possible to reliably prevent the user from overlooking (listening). The child lock is canceled when the user inputs a predetermined plurality of operations to the operation unit of the bathroom remote control operation unit 23, the kitchen remote control operation unit 33, or the additional remote control 41. .

  As described above, according to the present embodiment, when an earthquake occurs, it is possible to notify the user of a method of using hot water in the hot water storage tank 7 in an emergency. For this reason, when a water outage or power outage occurs due to an earthquake, even if the user does not know how to use the hot water in the hot water storage tank 7 in an emergency, the hot water in the hot water storage tank 7 can be used smoothly. It becomes possible to do.

  Furthermore, in this embodiment, the user can be notified of the installation location of the tank unit 1 (hot water storage tank 7) as well as the method of using the hot water in the hot water storage tank 7 in an emergency. Even if the location of the (hot water storage tank 7) is not known, the hot water in the hot water storage tank 7 can be used smoothly.

  Further, in the present embodiment, since the earthquake detector 10 having the vibration detection unit that detects the vibration due to the earthquake is configured to directly detect the shaking of the earthquake, the occurrence of the earthquake can be reliably detected. Thus, it is possible to accurately determine the shaking of the earthquake at the place where the tank unit 1 is installed. In addition, the earthquake detection means in this invention is not limited to the structure which detects the occurrence of an earthquake by detecting the shaking of an earthquake directly by the earthquake detector 10 like this embodiment, For example, it provides from the outside Is configured so that the control unit 11 can receive earthquake information (for example, an emergency earthquake bulletin delivered from the Japan Meteorological Agency) and detect the occurrence of an earthquake exceeding a predetermined standard based on the received information. Also good.

DESCRIPTION OF SYMBOLS 1 Tank unit, 2 Heat pump unit, 3 Return piping, 4 Outward piping, 5, 6, 14, 15, 16 Communication line, 7 Hot water storage tank, 8 Inlet side piping, 9 Outlet side piping, 10 Earthquake detector, 11 Control part , 12 Hot water side piping on / off valve, 13 Water inlet side piping on / off valve, 21 Bathroom remote control, 22 Bathroom remote control display section, 23 Bathroom remote control operation section, 24 Bathroom remote control speaker, 31 Kitchen remote control, 32 Kitchen remote control display section, 33 Kitchen remote control operation , 34 Kitchen remote control speaker, 41 Additional remote control

Claims (6)

A hot water storage tank for storing hot water,
An informing means capable of executing an operation of informing the user of information;
An earthquake detection means for detecting an earthquake;
Control means for causing the notifying means to perform an operation for notifying a user of information on a method of using hot water in the hot water storage tank in an emergency when an earthquake of a predetermined standard or more is detected by the earthquake detecting means;
A hot water storage hot water system.   2. The hot water storage device according to claim 1, wherein, when the earthquake detection unit detects an earthquake exceeding the reference, the control unit causes the notification unit to perform an operation of notifying a user of information related to an installation location of the hot water storage tank. Type hot water supply system. An operation means for accepting a user's operation;
Means for setting a child lock to invalidate the operation of the operation means when an earthquake exceeding the reference is detected by the earthquake detection means;
A hot water storage type hot water supply system according to claim 1 or 2.   The hot water storage type hot water supply system according to claim 3, further comprising means for releasing the child lock when a plurality of predetermined operations are performed on the operation unit. A water inlet side pipe through which water supplied into the hot water storage tank passes;
A water inlet side pipe opening / closing valve capable of closing the water inlet side pipe;
A hot water outlet side pipe through which hot water taken out from the hot water storage tank passes,
A hot water side pipe opening / closing valve capable of closing the hot water side pipe;
Valve control means for closing the water inlet side pipe on / off valve and the hot water side pipe on / off valve when an earthquake equal to or greater than the reference is detected by the earthquake detecting means;
A hot water storage type hot water supply system according to any one of claims 1 to 4.   The hot water storage hot water supply according to any one of claims 1 to 5, wherein the earthquake detection means includes a vibration detection unit that detects vibration caused by an earthquake, and detects an earthquake based on the vibration detected by the vibration detection unit. system.

Images