JP2001272107A - Hot water/water mixing hot water supply apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a hot water/water mixing hot water supply apparatus with good operation property capable of rapid and easy operation without complicated construction. SOLUTION: The hot water/water mixing hot water supply apparatus 1 is provided, which includes a mixing valve 13, a flow rate detector 17, a hot water temperature detector 18, a faucet 2 and a shower nozzle 3, a first opening/ closing valve 19, a second opening/closing valve 20, an operation section including a hot water supply switch, an operation section, a flow rate detector 17, and a control section 21 for receiving information from the operation section, the flow rate detector 17, and the hot water temperature detector 18 and controlling opening an closing of the mixing valve 13, the first opening/closing valve 19, and the second opening/closing valve 20. The operation section is constructed with a main operation section 4, and a shower switch 9 that is an auxiliary operation section, and the operation section 4 of the main is disposed frontally of hot water/water mixing hot water supply apparatus body 1a, and further the shower switch 9 is disposed on an upper surface of the hot water/water mixing hot water supply apparatus body 1a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hot-water mixing / water-supplying apparatus with good operability, which can easily obtain hot water at a desired temperature.

[0002]

2. Description of the Related Art FIGS. 8 (a) and 8 (b) show, for example,
It is a block diagram which shows an example of the remote control apparatus of the conventional bath kettle etc. which were disclosed by Unexamined-Japanese-Patent No. 0-217355. As shown in the figure, the remote device 30 is connected to a bath
Is connected to the bathtub 32. When the bath switch is started by pressing the operation switch 33 of the remote control device 30, the protection cover 34 is opened, and the holding switch 35 is pressed, the set state is held by the holding circuit 36. When the protection cover 34 is closed, the holding switch 35 becomes invisible, and the driving state does not change even if a child or the like touches the switch or the like carelessly. To release the holding state, the protection cover 34 is opened again and the holding switch 35 is pressed.

[0003]

According to the remote control device 30 such as the bath kettle 31 constructed as described above, the holding switch 33 which is not usually used is placed in the protective cover 34 on the same surface as the remote control device 30. Since the remote control device 30 is installed in the bathroom because it is arranged so as to prevent erroneous operation, and the bather wants to release the holding state, the protection cover 34 is opened and the holding switch 33 is pressed. It is difficult to operate immediately, especially when the bather is unable to open his eyes while washing his hair or washing his face or when the visibility is poor due to steam.
It was difficult to open and open the holding switch 35. In addition, the provision of the protective cover 34 has another problem that the configuration is complicated and the cost is high.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and a hot-water mixing / water-supplying apparatus with good operability that can be operated immediately and easily without complicating the structure. The purpose is to gain.

[0005]

SUMMARY OF THE INVENTION The present invention provides a mixing valve for mixing hot water and water to obtain hot water, a flow rate detector for detecting a flow rate of hot water, a hot water temperature detector for detecting a temperature of hot water, A faucet and a shower nozzle for branching and supplying hot water, a first on-off valve for supplying and stopping hot water to the faucet, and a second on-off valve for supplying and stopping hot water to the shower nozzle,
An operation unit including a hot water supply switch and the like, and a control unit that receives information from the operation unit, the flow rate detector, and the hot water temperature detector, and controls opening and closing of the mixing valve, the first on-off valve, and the second on-off valve. The hot water mixing and hot water supply device comprises: a main operation unit and a shower switch as an auxiliary operation unit, and the main operation unit is provided on the front of the hot water mixing and hot water supply device main body. In this arrangement, the shower switch is arranged on the upper surface of the hot and cold water mixing and supplying apparatus body.

A mixing valve for mixing hot water and water to obtain hot water, a flow rate detector for detecting a flow rate of the hot water, a hot water temperature detector for detecting a temperature of the hot water, and an opening / closing switch for supplying and stopping the hot water A valve, a faucet and a shower nozzle for branching and supplying hot water, a manual switching valve for switching to any of the faucet and the shower nozzle, an operation unit including a hot water supply switch, an operation unit, and a flow rate A hot water mixing / supplying device including a detector, a control unit that receives information from the hot water temperature detector, and controls opening and closing of the mixing valve and the on-off valve, wherein the previous operating unit is a main operating unit; A hot water supply switch is provided, a main operation unit is disposed on the front of the hot / cold water heater, and the hot water switch is disposed on the upper surface of the hot water heater.

[0007]

FIG. 1 is an explanatory view of a first embodiment of the present invention, FIG. 2 is a block diagram of FIG. 1, and FIG. 3 is a block diagram showing a control system of FIG. 4 is a flowchart showing the hot water supply state of FIG. In FIG. 1, reference numeral 1 denotes a hot / cold water supply apparatus installed in a bathroom, 1a denotes a main body of the hot / cold hot water supply apparatus 1, and 2 and 3 denote a faucet and a shower nozzle respectively attached to the main body 1a.

Reference numeral 4 denotes a main operation section arranged on the front of the main body 1a, and its operation panel has operation switches, knobs and the like arranged thereon. In the main operation unit 4, 5 is a display unit, 6 is a display changeover switch for switching between hot water temperature and hot water supply amount displayed on the display unit 5, 7 is an adjustment switch for adjusting hot water temperature and hot water supply amount to desired values, and 8 Is a hot water supply switch for starting or stopping hot water supply to the faucet 2 side. 9 is the body 1
The auxiliary operation unit having a high operation frequency disposed on the upper surface of a constitutes a shower switch for starting or stopping hot water supply to the shower nozzle 3 side. In addition, 10 is a bathtub.

Next, from FIGS. 2 and 3, the hot and cold water mixing apparatus 1 will be described.
Will be described in detail. In FIG. 2, reference numeral 11 denotes a water supply pipe having one end connected to a water source, 12 denotes a hot water supply pipe having one end connected to a hot water source, and 13 is connected to the other ends of the water supply pipe 11 and the hot water supply pipe 12, and mixes water and hot water. This is a mixing valve for obtaining mixed hot water at a desired temperature. 14 is a hot and cold water pipe having one end connected to the mixing valve 13, and a faucet pipe 15 and a shower pipe 16 at the other end.
And a faucet 2 is provided at the tip of the faucet pipe 15,
A shower nozzle 3 is provided at the tip of the shower pipe 16.

Reference numeral 17 denotes a flow rate detector which is attached to the hot and cold water pipe 14 to detect the flow rate of the mixed hot and cold water, and 18 denotes a hot water pipe 14
Is a hot water temperature detector that is attached to and detects the temperature of the mixed hot water. Reference numeral 19 denotes a first opening / closing valve attached to the faucet pipe 15 to supply and stop mixed hot water to the faucet 2, and reference numeral 20 denotes a first open / close valve attached to the shower pipe 16 to supply and stop mixed hot water to the shower nozzle 3. This is a second on-off valve.

A control unit 21 includes a mixing valve 13, a flow rate detector 17, a hot water temperature detector 18, a first opening / closing valve 19, a second opening / closing valve 20, a main operation unit 4, and a shower switch 9. They are electrically connected via a signal line 22. Then, as shown in FIG. 3, the control unit 21 receives information from the main operation unit 4, the shower switch 9, the flow rate detector 17 and the hot water temperature detector 18 via a signal line 22 as input signals, and furthermore, A signal is sent from the control unit 21 to the mixing valve 13, the first on-off valve 19, and the second on-off valve 20 via a signal line 22, and these are controlled.

The operation of the first embodiment configured as described above will be described with reference to the flowchart shown in FIG. First, a desired hot water temperature is input by the display changeover switch 6 and the adjustment switch 7 provided on the main operation unit 4 (step S-1), and then a desired hot water supply amount is input (step S-). 2).

Next, when the hot water supply switch 8 is depressed (step S-3), the mixing valve 13 is adjusted so that hot water of a desired temperature comes out according to a command from the control section 21 (step S-4). The first on-off valve 19 is opened (step S-
5) Hot water supply is started from faucet 2 (step S-).
6).

When the mixed hot and cold water flows from the mixing pipe 14 to the faucet pipe 15, the flow rate detector 17 and the hot water temperature detector 1
The flow rate of the mixed hot water flowing through the hot water pipe 14 and the hot water temperature are detected by 8, and the detection signal is sent to the control unit 21 through the signal line 22. In the control unit 21, the main operation unit 4
Is compared with the hot water temperature sent from the hot water detector 18 (step S-7).

If the hot water temperature is different from the set hot water temperature inputted by the main operation section 4 (step S-7 is N
O), the mixing valve 13 is further adjusted so that the hot water of the set hot water temperature flows out (step S-8). If the desired hot water temperature is reached or the desired hot water temperature is reached, a comparison is made between the amount of hot water supplied by the control unit 21 and the signal sent from the flow rate detector 17 (step S-9). ). If the current hot water supply amount is not the desired hot water supply amount input by the main operation unit 4, the hot water supply is continued (step S-9 is N
O). When the desired hot water supply amount is reached, the first on-off valve 1
9 is closed (step S-10), and the hot water supply from the faucet 2 is terminated (step S-11).

In the above operation, when the hot water supply switch 8 is not depressed (step S-3: NO) and the shower switch 9 is not depressed (step S-12: N
In O), hot water is not supplied. If the switch 9 for showering is pressed (YES in step S-12) without pressing the hot water supply switch 8 (step S-3: NO), the controller 21
The mixing valve 13 is adjusted so that hot and cold water of a desired temperature comes out (step S-13), the second on-off valve 20 is opened (step S-14), and hot water is supplied from the shower nozzle 3. It is started (Step S-15).

When the mixed hot and cold water flows from the mixing pipe 14 to the shower pipe 16, the flow rate detector 17 and the hot water temperature detector 18 detect the flow rate and the hot water temperature of the mixed hot water flowing through the hot and cold pipe 14, and the detection signal is output. The signal is sent to the control unit 21 through the signal line 22. The control unit 21 compares the set hot water temperature input by the main operation unit 4 with the hot water temperature sent from the hot water temperature detector 18 (step S-1).
6).

If the hot water temperature is different from the set hot water temperature inputted by the main operation unit 4 (step S-16 is N
O), the mixing valve 13 is adjusted so that hot water of the set hot water temperature is discharged (step S-17). If the desired hot water temperature or the desired hot water temperature has been reached, then the main operation unit 4
Is compared with the signal supplied from the flow rate detector 17 (step S-18). If the current hot water supply amount is not the desired hot water supply amount input by the main operation unit 4 (NO in step S-18), the hot water supply is continued. Then, when the desired hot water supply amount is reached,
The second on-off valve 20 is closed (step S-19), and the hot water supply from the shower nozzle 3 ends (step S-1).
1).

According to the first embodiment, the main operation section 4 is arranged on the front of the main body 1a of the hot and cold water mixing / water supply apparatus 1, and the shower switch 9 as the auxiliary operation section is arranged on the upper surface of the main body 1a. Even if the person is unable to open his eyes for washing his / her hair or washing his / her face, or when the visibility is poor due to steam, the shower switch 9 is operated immediately and without erroneous operation.
Hot water can be supplied from the shower nozzle 3. In addition, since the hot water supply switch 8 and the shower switch 9 need only be arranged separately on the front and upper surfaces, the configuration does not become complicated.

[Second Embodiment] FIG. 5 is a block diagram showing a second embodiment of the present invention, FIG. 6 is a block diagram showing a control system of FIG. 5,
FIG. 7 is a flowchart showing the hot water supply state of FIG. FIG. 1 is an explanatory diagram of the first embodiment, but is also used as an explanatory diagram of the second embodiment. 1 and 5, 4
Reference numeral a denotes a main operation unit arranged on the front of the main body 1a of the hot and cold water supply apparatus 1, but the operation panel is not provided with the hot water supply switch 8. Reference numeral 23 denotes a hot water supply switch arranged on the upper surface of the main body 1a, and starts and stops hot water supply.

Reference numeral 11 denotes a water supply pipe having one end connected to a water source;
Is a hot water supply pipe having one end connected to a hot water source, and 13 is a mixing valve connected to the other ends of the water supply pipe 11 and the hot water supply pipe 12 for mixing water and hot water to obtain a mixed hot and cold water at a desired temperature. Reference numeral 14 denotes a hot and cold water pipe having one end connected to the mixing valve 3, and is branched into a faucet pipe 15 and a shower pipe 16 by a manual switching valve 24 provided at the other end. A shower nozzle 3 is provided at the tip of 16.

Reference numeral 17 denotes a flow rate detector attached to the hot and cold water pipe 14 to detect the flow rate of the mixed hot and cold water, and 18 denotes a hot water pipe 14
A hot water temperature detector 25 is attached to the hot water pipe 14 and detects the temperature of the mixed hot water. An open / close valve 25 is mounted on the hot water pipe 14 to supply and stop the mixed hot water. 21 is a control unit,
A mixing valve 13, a flow rate detector 17, a hot water temperature detector 18, an on-off valve 25, a main operation unit 4a and a hot water supply switch 23;
They are electrically connected via a signal line 22. And
As shown in FIG. 6, the control unit 21 receives information from the main operation unit 4 a, the hot water supply switch 23, the flow rate detector 17, and the hot water temperature detector 18 as input signals via a signal line 22. A signal is sent from the section 21 to the mixing valve 13 and the on-off valve 25 by a signal line 22 to control these. Other configurations are the same as those described in the first embodiment, and a description thereof will not be repeated.

The operation of the second embodiment configured as described above will be described with reference to the flowchart shown in FIG. First, a desired hot water temperature is input by the display changeover switch 6 and the adjustment switch 7 of the main operation section 4a (step S-20), and then a desired hot water supply amount is input (step S-21). . Next, the manual switching valve 24 is manually switched to the faucet 2 side or the shower nozzle 3 side (step S-22).

Next, when the hot water supply switch 23 is depressed (step S-23: YES), the mixing valve 13 is adjusted by a command from the control unit 2 so that hot water of a desired temperature comes out (step S-). 24). In the above operation, when the hot water supply switch 23 is not pressed (step S-23)
(NO), hot water is not supplied. If hot water supply switch 23 is pressed (YES in step S-23), control unit 2
The mixing valve 13 is adjusted so that hot water of a desired temperature flows out according to the command from 1 (step S-24).

When the mixing valve 13 is adjusted (step S-24), the on-off valve 25 is opened (step S-).
25), hot water supply is started from the faucet 2 or the shower nozzle 3 (step S-26).

When the mixed hot water flows from the hot and cold pipe 14 to the faucet pipe 15 or the shower pipe 16, the flow rate detector 17 and the hot water temperature detector 18 detect the flow rate and the hot water temperature of the mixed hot water flowing through the hot and cold pipe 14, respectively. The detection signal is sent to the control unit 21 through the signal line 22. The control unit 21 compares the set hot water temperature input from the main operation unit 4a with the hot water temperature sent from the hot water temperature detector 18 (step S-27).

If the hot water temperature is different from the set hot water temperature input by the main operation section 4a (step S-27 is N
In the case of O), the mixing valve 13 is adjusted so that the hot water of the set hot water flows out (Step S-28). When the desired hot water temperature is reached or when the desired hot water temperature is reached, the main operation unit 4
A comparison is made between the amount of hot water supplied by a and the signal sent from the flow rate detector 17 (step S-29). If the hot water supply amount up to the present is not the desired hot water supply amount input by the main operation unit 4a (step S-29 is N
O), continue hot water supply. Then, when the desired hot water supply amount is reached, the on-off valve 25 is closed (step S-30), and the hot water supply from the faucet 2 or the shower nozzle 3 ends (step S-31).

According to the second embodiment, the main operation unit 4a
Is arranged on the front of the main body 1a and the hot water supply switch 23 is arranged on the upper surface of the main body 1a. Therefore, even if the bather cannot open his eyes due to hair washing or washing his face, or even if the view is poor due to steam, Hot water can be supplied by operating the hot water supply switch 23 on the upper surface of the main body 1a immediately and without erroneous operation.
Also, since the hot water supply switch only needs to be arranged on the upper surface separately from the main operation unit, the configuration is not complicated.

[0029]

As apparent from the above description, the present invention provides a mixing valve for mixing hot water and water to obtain hot water, a flow rate detector for detecting the flow rate of hot water, and a hot water for detecting the temperature of hot water. A temperature detector, a faucet and shower nozzle for branching and supplying hot water, a first on-off valve for supplying and stopping hot water to the faucet, and a second on-off valve for supplying and stopping hot water to the shower nozzle. An on-off valve and an operation unit having a hot water supply switch and the like,
Receiving information from the operation unit, flow rate detector, hot water temperature detector,
A hot-water mixing / water-supplying apparatus including a control unit that controls opening and closing of a mixing valve, a first on-off valve, and a second on-off valve, wherein the previous operation unit is a main operation unit and an auxiliary operation unit. It is composed of a certain shower switch, the main operation unit is located on the front of the hot and cold water heater main unit, and the shower switch is located on the upper surface of the hot water and hot water mixer main unit. Even when the eyes cannot be opened or the visibility is poor due to steam, the shower switch can be operated immediately and without erroneous operation, and hot water can be supplied from the shower nozzle. Further, since the hot water supply switch and the shower switch are simply arranged separately on the front and the top, the configuration does not become complicated.

A mixing valve for mixing hot water and water to obtain hot water; a flow rate detector for detecting the flow rate of hot water; a hot water temperature detector for detecting the temperature of hot water; A valve, a faucet and a shower nozzle for branching and supplying hot water, a manual switching valve for switching to any of the faucet and the shower nozzle, an operation unit including a hot water supply switch, an operation unit, and a flow rate A hot water mixing / supplying device including a detector, a control unit that receives information from the hot water temperature detector, and controls opening and closing of the mixing valve and the on-off valve, wherein the previous operating unit is a main operating unit; It consists of a hot water supply switch, the main operation unit is located on the front of the hot / cold water heater, and the hot water switch is located on the upper surface of the hot water / water heater unit. If you can't open it, In case Some can perform hot-water supply by operating the hand immediately without erroneous operation auxiliary switch hot water supply of the upper surface of the body. Furthermore, since the hot water supply switch only needs to be arranged on the upper surface separately from the main operation unit, the configuration does not become complicated.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of Embodiments 1 and 2 of the present invention.

FIG. 2 is a configuration diagram of FIG. 1;

FIG. 3 is a block diagram showing a control system of FIG. 2;

FIG. 4 is a flowchart showing a hot water supply state of FIG. 2;

FIG. 5 is a configuration diagram of a second embodiment of the present invention.

FIG. 6 is a block diagram showing a control system of FIG. 5;

FIG. 7 is a flowchart showing a hot water supply state of FIG.

FIG. 8 is a configuration diagram illustrating an example of a conventional remote control device such as a bath kettle.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Hot-water mixing hot-water supply apparatus, 1a Main body of hot-water mixing hot-water supply apparatus, 2 faucet, 3 shower nozzle, 4, 4a main operation part, 8 hot-water supply switch, 9 shower switch, 13 mixing valve, 14 hot-water piping, 15 faucet piping ,
Reference Signs List 16 shower pipe, 17 flow rate detector, 18 hot water temperature detector, 19 first on-off valve, 20 second on-off valve, 21
Control unit, 23 hot water supply switch, 24 manual switching valve, 25 on-off valve.

 ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Nobuo Chiba 2-3-2 Marunouchi, Chiyoda-ku, Tokyo Inside Mitsubishi Electric Corporation (72) Inventor Jun Suzuki 2-6-1 Otemachi, Chiyoda-ku, Tokyo Mitsubishi Electric Engineering Co., Ltd. F-term (reference) 3L036 AC29

Claims (2)

[Claims] A mixing valve for mixing hot water and water to obtain hot water;
A flow rate detector for detecting the flow rate of the hot water, a hot water temperature detector for detecting the temperature of the hot water, a faucet and shower nozzle for branching and supplying the hot water, and supplying and stopping hot water to the faucet. A first opening / closing valve for performing the operation, a second opening / closing valve for supplying and stopping the hot water to the shower nozzle, an operation unit including a hot water supply switch and the like, the operation unit, a flow rate detector, and a hot water temperature detection A hot water mixing / water supply device comprising: a control unit that receives information from a water heater and controls opening and closing of a mixing valve, a first on-off valve, and a second on-off valve, wherein the operating unit is a main operating unit. And a shower switch, which is an auxiliary operation unit, wherein the main operation unit is disposed on the front of the hot and cold water supply apparatus main body, and the shower switch is disposed on the upper surface of the hot and cold water supply apparatus main body. Hot and cold water mixing equipment. 2. A mixing valve for mixing hot water and water to obtain hot water,
A flow rate detector for detecting the flow rate of the hot water, a hot water temperature detector for detecting the temperature of the hot water, an on-off valve for supplying and stopping the hot water, a faucet and a shower nozzle for branching and supplying the hot water And a manual switching valve for switching any one of the faucet and the shower nozzle, an operation unit including a hot water supply switch, and the like, and receives information from the operation unit, the flow rate detector, and the hot water temperature detector, A hot-water mixing / supplying device including a mixing valve and a control unit that controls opening and closing of an on-off valve, wherein the operation unit includes a main operation unit and a hot-water supply switch, and the main operation unit includes a hot-water mixing unit. A hot-water mixing / water supply apparatus, wherein the hot-water supply switch is disposed on a front surface of the hot-water supply apparatus main body, and the hot water supply switch is disposed on an upper surface of the hot-water mixing / water supply apparatus main body.