JPH03113231A - Hot water feeding device - Google Patents

Abstract

PURPOSE:To shorten a pipe length and a control line length by a method wherein a remote operating device and a valve device for an opened or closed device are connected to an opening or closing control line having not hot water feeding device therein. CONSTITUTION:In a bath hot water feeder device 7a, a solenoid valve 16 is arranged near a bath tub 8. The solenoid valve 16 is connected with a remote opening device 10 for a bath through a control line l3. The solenoid valve 16 is opened or closed under an instruction from the bath remote operating device 10 through the control line l3. The solenoid valve 16 is opened through ON operation of a hot water feeding switch 15, a bath hot water feeding pas sage 7a is opened and a hot water feeding is started. That is, a signal is trans mitted to a main body controller 4 through a control line l1, the main body controller 4 starts to calculate an amount of sensed water with a water amount sensor 6. As a calculated value reaches a set value, the solenoid valve 16 is closed through control lines l1, l3 while the bath remote operating device 10 being applied as a relay and then a hot water feeding is automatically stopped.

Description

Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a water heater that heats up in response to hot water being sent to a hot water supply path, a remote controller for the water heater, and a remote controller for opening and closing the hot water supply path. The present invention relates to a hot water supply device equipped with a valve device that intermittents the delivery of hot water.

[Conventional technology]

In the water heater described above, when the valve device is opened, the delivery of hot water to the hot water supply path is started, and accordingly, the water heater automatically starts heating operation, but in the past, as shown in Fig. 2, The device (16) is installed in the water heater (1), and the opening/closing operation of the valve device (16) is as follows.
The main body controller (4) in the water heater (1) opened and closed the valve device (16) in response to commands from the remote controller (10).

[Problem to be solved by the invention]

However, as shown in FIG.
), it is necessary to branch from the upstream side of the valve device (16). ), the hot water supply path (7a) opens and closes with the hot water tap (
9), etc., and the hot water supply path (7b) for other hot water supply points must be extended in parallel from the water heater (1), resulting in a large piping length for the entire system. However, there were problems in that the amount of construction work was large and the construction cost was high.

On the other hand, as a solution to the above-mentioned problem, as shown in FIG. 8) A configuration in which the remote controller (10) is placed near the main body controller (4) of the water heater (1) is considered, but in this configuration, in addition to the control line (11) connecting the Since the control line (14) that connects the main body controller (4) of the water heater (1) and the valve device (16) must be extended from the water heater (1), the wiring of the control line for the entire device is difficult. The length increases, resulting in an increase in construction volume and construction cost.

An object of the present invention is to shorten the length of the hot water supply piping and the wiring length of the control line, while providing a hot water supply function equivalent to that of the conventional device.

[Means for Solving the Problems] A water heater according to the present invention has a characteristic configuration that includes a water heater that performs heating operation in response to sending hot water to a hot water supply path, a remote controller for the water heater, and a remote controller that operates to open and close the hot water supply path. In the configuration including a valve device that intermittents the delivery of hot water, the remote controller and the valve device to be opened and closed are connected by a control line for opening and closing operations without the intervention of the water heater. , its actions and effects are as follows.

[For production]

In other words, if the configuration is as described above (see Figure 1), the valve device (
16), a hot water supply path (7a) that opens and closes, and a hot water tap (9)
In order to shorten the overall hot water supply piping length by avoiding the necessity of extending the hot water supply path (7b) from the water heater (1) in parallel with the hot water supply path (7b) to other hot water supply points, etc., the valve device ( 16)
Even if the water heater (1) is placed near the hot water supply point (8) that is subject to intermittent hot water supply, the water heater (1) body controller (4) and valve device (16) There is no need to extend the control line (l,) connecting the water heater (1) from the water heater (1), and it is originally placed near the hot water supply point (8), and as a result, it is located near the valve device (16). All that is required is to wire a short control line (13) to connect the remote controller (10) to be used and the valve device (16).

A remote controller (
This hot water supply point (
8) can perform intermittent operation of hot water supply.

In addition, the remote controller (10) and the main body controller of the water heater (1) (
4), so if necessary, signal transmission between the main body controller (4) and the remote controller (10), and the remote controller (10) and valve device (
It is also possible to control the valve device by the main body controller (4) by transmitting a signal via the control line (l,) between the main body controller (4) and the main body controller (4).

〔Effect of the invention〕

As a result of the above, according to the present invention, the length of the hot water supply piping and the wiring length of the control line for the entire device can be shortened, while providing the same hot water supply function as the conventional device. This has made it possible to reduce the amount of construction work, simplify the installation of the device, and reduce the construction cost.

〔Example〕

Next, an embodiment will be described based on FIG.

(1) is a water heater, and is equipped with a water heating heat exchanger (2), a burner (3), and a main body controller (4) for controlling operation as main devices.

A water flow sensor (
6) is attached, and the hot water supply path (7) is opened and the water supply pressure starts sending hot water from the heat exchanger (2) to the hot water supply path (7), and as a result, the water supply path (5) starts to flow. When a flow occurs and the water quantity sensor (6) enters the water quantity detection state, in response, the main body controller (4) ignites the burner (3) and turns on the water heater (
The heating operation of step 1) is started, and the hot water supply path (7) is closed to stop the delivery of hot water to the hot water supply path (7), and as a result, the flow of water in the water supply path (5) is stopped and the amount of water is reduced. When the sensor (6) is in a water volume non-detection state, the main body controller (
4) is configured to extinguish the burner (3) and stop the heating operation of the water heater (1).

A hot water supply path (7) extending from the water heater (1) is branched into a bath hot water supply path (7a) and a general hot water supply path (7b) at an appropriate location, and the bath hot water supply path (7a) is connected to the bathtub (8). is,
In addition, the general hot water supply path (7b) is used for hot water taps (9) in kitchens, washrooms, etc.
)It is connected to the.

A bath remote controller (10) is installed near the bathtub (8), and a general remote controller (10) is installed near the hot water faucet (9).
11) are arranged, and these remote controllers (10), (1
1) is connected to the water heater (1) by control lines (l+) and (12), respectively.
) is connected to the main body controller (4).

Each remote controller (10), (11) has a main body controller (
4) is equipped with a hot water temperature setting tool (12) for setting a target hot water temperature for hot water temperature adjustment, and a combustion lamp (13) for indicating that the water heater (1) is in a heating operation state.

In addition, the general remote controller (11) is equipped with an operation switch (14) that enables the start of heating operation of the water heater (1) in response to water volume detection by the water volume sensor (6). On the other hand, the bath remote controller (10) is equipped with a hot water supply switch (15).

A solenoid valve (16) for opening and closing the bath hot water supply path (7a) is installed near the bathtub (8), and this solenoid valve (16) is connected to a remote control for the bath. It is connected to the operating device (10) by a control line (13), and the solenoid valve (16) is opened and closed by commands from the bath remote control device (10) via this control line (13). There is.

Specifically, the solenoid valve (16) is opened by turning on the hot water supply switch (15) in the bath remote controller (10), and when the solenoid valve (16) is opened, the bath hot water supply path is opened. When (7a) is opened, the water heater (1)
starts heating operation, and hot water supply (filling) to the bathtub (8) is started.

The control line (
1, ) to the main body controller (4), and when the main body controller (4) receives the information of the hot water filling switch ON operation, it starts integrating the detected water amount by the water amount sensor (6), and , when the integrated value reaches the set value, the control lines (z+), (z
A valve closing command is given to the solenoid valve (16) via the solenoid valve (16) and the solenoid valve (
16), thereby automatically stopping hot water supply to the bathtub (8).

In addition, before the integrated value of the detected water amount reaches the set value,
The solenoid valve (16) is turned off by turning off the hot water supply switch (15).
) It is also possible to artificially stop hot water supply to the bathtub (8) by closing the valve.

For hot water temperature adjustment, the main controller (4) is the bathtub (8).
When supplying hot water to a bathtub, it is determined that hot water is being supplied to a bathtub (8) by receiving information indicating that the hot water supply switch is ON, and based on this determination, the hot water temperature is set using the bath remote controller (10). Hot water temperature adjustment is executed using the temperature set by the tool (12) as the target hot water temperature.

In addition, in the case of supplying hot water to the hot water tap (9) in response to the opening of the hot water tap (9), the main body controller (4) determines whether the hot water tap (9) is turned on when there is no information transmission of the ON operation of the hot water supply switch. (9), and based on this determination, adjust the hot water temperature by setting the temperature set by the hot water temperature setting tool (12) of the general remote controller (11) as the target hot water temperature. .

[Another example]

Next, another embodiment will be described.

(a) The hot water supply point where hot water is supplied intermittently by opening and closing the valve device (the solenoid valve (16) in the above embodiment) connected to the remote controller (10) by the control line (l,) is limited to the bathtub (8). The hot water supply location can be various hot water side locations.

(b) A configuration in which multiple hot water supply paths (7a) each equipped with a valve device (16) connected to a remote controller (10) and a control line (1,) are provided for one water heater (1). Alternatively, a plurality of hot water supply paths (7b) for other hot water supply locations including hot water taps (9) etc. may be provided.

(c) The specific device configuration of the water heater (1) that performs heating operation in response to the delivery of hot water to the hot water supply path (7a) can be modified in various ways.

(d) The present invention provides a control line (13) for the valve device (16).
) and the main body controller (4) of the water heater (1) in a wireless transmission format.

Incidentally, although reference numerals are written in the claims section for convenient comparison with the drawings, the present invention is not limited to the structure shown in the accompanying drawings.

[Brief explanation of drawings]

FIG. 1 is an apparatus configuration diagram showing an embodiment of the present invention. FIG. 2 is an apparatus configuration diagram showing a conventional example, and FIG. 3 is an apparatus configuration diagram showing a comparative example. (1)...Water heater, (7a)...Hot water supply path, (10) Old remote controller, (16)...
- Valve device, (13)... Control line.

Claims (1)

[Claims] A water heater (1) that heats up in response to hot water being sent to the hot water supply path (7a), and a remote controller (1) for this water heater (1).
0) and a valve device (16) that opens and closes the hot water supply path (7a) to intermittently supply hot water, the water heater having a control line for opening and closing operations without the intervention of the water heater (1). l_
3), the water heater has the remote controller (10) connected to the valve device (16) to be opened/closed.