JPS63263348A - Hot water feeder - Google Patents

Abstract

PURPOSE:To prevent water feeding from being started when hot water is to be supplied to another unit to be fed with hot water and to prevent remaining hot water to be supplied when the hot water is supplied to another unit to be supplied with hot water to generate a dangerous condition by a method wherein a hot water feeding port setting part is arranged and a hot water feeding port desired to be used is selected. CONSTITUTION:Hot water made by a hot water feeder 16 is mixed with water and then passes through a thermistor 24 and a flow rate sensor 25 and reaches to opening or closing valves A27 and B27. The opening or closing valve 27 is opened by a plug and a shower switch and the opening or closing valve 27' is opened under instruction from a bath tub switch. A signal from a flow rate sensor 25 is fed back so as to control motors 49 and 50 driving the opening or closing valves 27 and 27' through adjusting portions 73 and 73'. Both opening or closing valves can be opened simultaneously when the hot water feeding temperature is 45 deg.C or less. However, the hot water of 50 deg.C is to be fed, only the opening or closing valve B27' can be opened. In this way, since a temperature range in which the hot water can be supplied to according application of the hot water feeding port, its convenience and safety can be improved.

Description

DETAILED DESCRIPTION OF THE INVENTION FIELD OF INDUSTRIAL APPLICATION The present invention relates to a dispensing device that is equipped with a plurality of hot water ports that adjust the temperature of hot water and supply information to the object of hot water supply.

BACKGROUND OF THE INVENTION A conventional water heater of this type is shown in FIG. (For example, Japanese Utility Model Application No. 61-18424) In FIG. 8, water supply 1 is branched into two systems, and hot water supply pipe 3 passing through water heater 2 and water supply pipe 4 are connected to constant temperature water heater 5. . Inside the constant temperature hot water supply device 5, the hot water supply pipe 3
A hot water flow valve 6 is connected to the water supply pipe, and a water flow valve 7 is connected to the water supply pipe to adjust the mixing ratio. The mixing pipe 8 is provided with a thermistor 9 that detects the temperature of the mixed water, and a controller 1 that arbitrarily adjusts the signal of the thermistor 9 and the temperature of the mixed water.
Based on the signal 0, the control device 11 controls the water flow valve 6 (!: water flow valve 7).The mixed hot water is supplied to the bathtub 13, which is the hot water supply target, through the faucet 12 provided at the terminal of the mixing pipe 8. The hot water flow valve 6 and the water flow valve 7 are driven by a htJjk & valve motor 14 and a water flow valve motor 15 which are controlled by a control device 11, and are feedback-controlled by a signal from a thermistor 9.

Problems to be Solved by the Invention However, the conventional configuration as described above has the following problems.

(1) After pouring boiling water to raise the water temperature in the bathtub 13, even if the controller 10 returns the temperature to a low temperature, hot water remains in the mixing pipe 8, and the faucet 12 must be opened again. Then, boiling water was supplied, which was dangerous.

(2) In addition to the bathtub 13, there are other hot water supply objects in the bathroom, such as washing areas and showers, which have different operating temperature ranges than the bathtub 13. However, since the faucet 12 and constant temperature water heater 5 have a one-to-one correspondence, multiple hot water supply objects can be used. To accommodate this, the same number of constant-temperature water heaters were required.

(3) When supplying hot water to multiple targets using only one fixed-temperature bath unit 5, it is possible to branch from the mixing pipe 8 and install faucets at multiple locations while supplying hot water to the bathtub 13. When other faucets were opened, boiling water was also supplied there, which was dangerous.

The present invention solves these conventional problems, and aims to provide a water heater that can safely supply hot water to a plurality of hot water supplies having different operating temperature ranges or to a single hot water supply target. There is.

Means for Solving the Problems In order to solve the above-mentioned problems, the hot water supply apparatus of the present invention includes a temperature adjustment means, a plurality of hot water supply ports that supply different temperature ranges adjusted by the temperature adjustment means, and An on-off valve that opens and closes, a hot water inlet setting section that selects the hot water inlet, a turtle temperature setting section that sets the hot water temperature of the temperature control means, and an on-off valve that opens and closes the hot water inlet setting section that selects the hot water inlet, a temperature setting section that sets the hot water temperature of the temperature control means, and a hot water inlet setting section that adjusts the on-off valve and temperature according to the settings of the hot water inlet setting section and the heating lawn section. The controller is configured to include a controller that controls the adjustment means.

Effects The present invention has the above-described configuration, and by selecting the hot water inlet that you want to use in the hot water inlet setting section, it is possible to prevent the remaining hot water from being supplied when hot water is being supplied to other hot water objects, causing a danger, or to prevent the hot water from being supplied to other hot water objects. This prevents hot water from starting when the water is too hot.

Example Embodiments of the present invention will be described below based on the accompanying drawings.

In FIG. 1, the hot water produced by the water heater 16 is routed through
7 and the water is introduced via a water side path 18 into a mixing unit 19 which is a temperature regulating means. The hot water and water then reach the mixing valve 23 via check valves 20 and 21 and a pressure balance valve 22 that balances the hot water pressure and water pressure. The mixing valve 23 is of an electrically controlled type driven by a motor, and the mixed hot water whose mixing ratio has been adjusted passes through a thermistor 24, a flow sensor 25, and a pressurizing pump 26 to the on-off valve A27°82.
It reaches 7'. The on-off valve A27, 827' is also of the type driven by a motor and electrically controlled.
The hot water supply port A28 is also connected to the hot water supply port B29 by the on-off valve 827'.
is opened and closed. The hot water supply port A28 is connected via a path A32 to a shower 30 and a washroom 31 in the washing area, which require hot water in the temperature range from normal water to about 45°C. Also,
The hot water supply port 829 is connected via a path d35 to the outlet 34 of the bathtub 33, which requires hot water as well as water at around 42°C. In case there is no mixing valve 2 in hot water supply port A2B,
A paramechanical temperature safety valve 37 having a temperature sensing element is provided to prevent Xtm from being supplied to the shower 30 or the switch valve 31 in the event of a malfunction of the switching valve 3 or the switching valve 27 or a malfunction of the control circuit 36. There is. Further, a setting device 38 is provided in the bathtub for switching the hot water supply light and adjusting the temperature of the mixed hot water. Outside the bathroom, for example, in the kitchen, a remote control setting device 39 is provided that performs remote control hot water supply, timer hot water supply, or relaying the start of hot water supply by telephone.

FIG. 2 is a detailed diagram of a block around the mixing valve 23. The mixing valve 23 is of a type in which a hot water side valve body 40 and a water side valve body 41 are provided on a shaft 42, and are driven by a motor 43 via a gear box 44.

FIG. 3 is a detailed view of the on-off valve A27, 827'. The on-off valve A271 27' is a valve body A biased by a spring 46.
47 and the valve body 84B are driven by the motor A49 and the motor 850. The on-off valves A27 and 827' can independently open and close the hot water supply port A2B and the hot water supply port B29, respectively. The temperature safety valve 37 provided at the hot water supply port A28 is configured to expand and open a flow path at the valve body 52 when the wax thermometer 51, which is a temperature sensing element, reaches a set temperature (47° C.) or higher.

FIG. 4 shows details of the setting device 38.

A shower switch 53, which instructs hot water supply to the shower 30 and a switch 31, and which is placed in the setting device 38 in response to this, and a bathtub switch, which instructs hot water supply to the bathtub, which is placed in the setting device 38, which corresponds to this. 54, a multi-switch 55 for increasing the flow rate, a small switch 56 for decreasing the flow rate, and a call switch 57 for calling someone else are provided facing the front. When the shower switch 53 or the bathtub switch 54 is pressed, the hot water supply port on the pressed side is opened, and the temperature and flow rate are set in advance in the controller 36 corresponding to these switches. Hot water supply starts at the value set in the two volumes (not shown). If they are used at the same time, priority is given to the temperature corresponding to the shower switch 53. Then, when the water supply reaches the value set by the thirst volume volume 58 provided in the part covered by the lid of the setting device 38, the hot water supply is automatically stopped. When it is desired to change the preset value of the flow rate, the user operates the multi-switch 55 or the small-switch 56 to change it. Moreover, if it is desired to change the preset mixed water temperature, the temperature can be adjusted by operating the high switch 59 or the low switch 6o in the lid. 61
is a drain valve confirmation switch, and a signal reception of a remote controller setting device 39, which will be described later, is for turning on. In addition, the setting device 38 includes a display section 62 and an alarm buzzer 6a.

In addition, the range in which the temperature can be changed with the high switch 59 is from water to 45 when the shower switch 53 is pressed.
℃, and if the bathtub switch 54 is pressed, it can be changed over the entire range from cold water to 50''C hot water above 45°C.

FIG. 5 shows details of the remote control setting device 39.

When the remote control switch 64 is pressed, if the drain valve confirmation switch 61 is pressed and hot water is not being supplied by operating the setting device 38, hot water can be supplied using the remote control.

Further, when the time set by a timer 66 having a clock display section 65 arrives, the timer switch 67 is pressed and timer hot water supply can be performed under the same conditions as the remote control switch 64. Furthermore, this remote control setting device a9 is provided with an HA adapter, and when hot water supply is instructed via telephone 69, hot water supply can be started under the same conditions as remote control switch 64. During such remote-controlled hot water supply, timer hot water supply, and tele-controlled hot water supply, the hot water temperature is set according to the setting of the hot water temperature volume 70, the on-off valve 827' automatically opens the hot water supply port 829 side, and hot water is supplied to the bathtub 33. In addition to this, the remote control setting device 39 includes a call switch 57.
A buzzer 71 that sounds in conjunction with the above and various display sections are provided.

FIG. 6 is a control block diagram. In response to signals from the switches and volume controllers described above, the mixing valve 23 feeds back the temperature of the mixed water using the thermistor 24, and controls the motor 43 via the regulator 72.

Further, the on-off valve 27 opens the specified hot water inlet in response to the instruction from the shower switch 53, and the opening valve 27' opens the specified hot water inlet in response to the instruction from the bathtub switch 54. via motor 49
, 50. This on-off valve A27. Opening/closing of B27' is set so that it can be opened individually or both when the water supply temperature is 45°C or less, and when the hot water temperature is 50°C and hot water is being supplied, only the open/close valve 27' can be opened. ing. This makes it possible to use both the shower 30 and the bathtub 33 side at the same time when supplying hot water at 45°C or less, and when hot water is being supplied at a high temperature of 50''C1, hot water is not supplied to the shower and the bathtub side.

In this way, the temperature range that can be supplied varies depending on the purpose of the hot water supply port, which satisfies both convenience and safety. However, a switch is provided, either not shown or in a place that is difficult to access, so that 50"C1 heat can be supplied from the shower or the shower side if necessary.

Further, the signal from the flow rate sensor 25 is further integrated by a flow rate integration unit 74, and compared with the value of the hot water filling revolume 58, thereby performing quantitative water stoppage.

Next, the operation of this embodiment will be explained. When the shower switch 53 of the setting device 38 is pressed, the on-off valve A27 opens the hot water supply port A28 side where the hot water supply temperature range is from water to 45°C, and hot water starts being supplied at the temperature and flow rate set in advance by the controller 36. be done. The hot water temperature is adjusted by a mixing valve 23, and the set temperature is compared with the temperature detected by a thermistor 24 to obtain an appropriate temperature.

The flow rate is regulated by the on-off valve A27, and the preset flow rate and the flow rate detected by the flow rate sensor 25 are compared to obtain the appropriate amount. If you want to change the preset water temperature, you can do so by operating the high switch 59 or the low switch 60. However, when hot water is dispensed using the shower switch 53, even if the high switch 59 is operated, the temperature cannot be set higher than 45°C.

If you want to change the preset flow rate, use the multi-switch 5.
5 or by operating the small switch 56. If you want to stop the hot water supply, press the shower switch again.
When pressed, the on-off valve A27 opens the flow path. When the bathtub switch 54 is pressed, the on-off valve B27' opens the hot water supply port 829 side where the hot water temperature range is from cold to boiling water.
Hot water is supplied at the temperature and flow rate set in . controller 36
The volume for presetting the temperature corresponding to the shower switch 53 and the volume for presetting the temperature corresponding to the bathtub switch 54 can also be selected within the hot water supply temperature range of hot water supply port A2B and hot water supply port B29. .

When the hot water temperature is below 45°C, the bathtub 33 side and the
1. Hot water can be supplied to both sides of the shower 30 at the same time. If 50°C or hot water is being supplied to the bathtub 33 side, press the shower switch 53 and the shower will not start.
1. Hot water cannot be supplied to the shower 30 side. Also, if the high switch 59 is operated during simultaneous hot water supply and a temperature exceeding 45°C is instructed, the on-off valve 27 opens the flow path and the switch 31
, immediately stop the hot water supply to the shower side.

In the case of hot water supply to the bathtub 33, the hot water supply is automatically stopped when the set value of the lifting volume 58 is reached. In order to prevent users from forgetting to turn off the shower switch 53 when operating the shower switch 53, the hot water supply is stopped when the hot water supply volume 58 is continuously used to the set value. These quantitative water stops are performed by integrating the signals from the flow rate sensor 25. When pouring hot water for the purpose of raising the temperature of the water in the bathtub 33 when taking a bath, first press the bathtub switch 54 and then operate the high switch 59 to raise the set temperature to boiling water. Open/close valve 8
27' is open on the hot water supply port 829 side, and the mixing valve 23 is fully opened on the hot water side to supply hot water.

In this state, when using the splash 31 or shower 30 in the washing area, press the splash shower switch 53, the mixing valve 22 will immediately change the mixing ratio to the predetermined mixed water temperature, and the on-off valve A27 will open the hot water inlet A28. The side is opened and hot water is supplied at a predetermined temperature and flow rate of 45"C or less.

In other words, when it comes to temperature, priority is always given to the shower and shower sides.

In addition, since the route is divided into two, even after pouring boiling water into the bathtub 33, the hot water remaining in the route 835 will not be supplied to the shower 31 and the shower 30, making it safe. be. In addition, in conjunction with the fact that the hot water supply port A2B and the hot water supply port 1329 are switched and used simultaneously,
The water supply temperature range can also be changed automatically, making it even safer. In addition, on-off valves A27 and 82 are used for hot water supply.
Since the hot water supply temperature is controlled in conjunction with the opening and closing of shower 7', hot water is not supplied from bathtub 31 or shower 3o while hot water is being supplied to bathtub 33.

In the unlikely event that the mixing valve 23, switching valve 27, or controller 36 malfunctions and hot water of 46°C or higher is attempted to be supplied from the hot water supply port 28, the temperature safety valve 3 will be activated immediately and the high temperature area will be removed. Prevent being supplied.

Note that this mixing unit 19 can also be used with a hot water supply fitting 75 having one route A32 and one route date as shown in FIG.

In this case, the route A32 and the route A35 merge and are connected just before the hot water supply fitting 75.

In this case, hot water can be safely supplied to one location with the same simple operations as in the case of multiple locations.

In addition, in this embodiment, the on-off valve A27 and the on-off valve 827
' are driven by independent motors 49 and 50, but they may be configured by one motor.

The effect of this embodiment is that the hot water supply opening is opened and closed in accordance with the operation of the control unit, the shower switch 53, or the bathtub switch 54, and the temperature range adjusted by the mixing valve 23, which is the temperature adjustment means, is also adjusted. This has the effect of being safe because hot water is not supplied to objects that do not require particularly high temperatures. Also, on-off valve A27. &3
Since 27' also has a flow rate adjustment function, there is no need to provide another flow rate control valve, which has the effect of simplifying the configuration. Since the temperature control means is the hot water mixing valve 23,
Compared to instantaneous simultaneous boilers with gas proportional valves, there are no problems with the heat capacity of the heat exchanger, so the desired temperature can be obtained immediately. The amount of water to be supplied to the hot water supply port G is
Since the bathroom has a bathtub 33, a shower 30, and a clicker 31, it has the effect that the switches 53 and 54 can be attached to one setting device 38. Moreover, since the bathtub switch 54, the clicker, and the shower switch 53 are provided corresponding to the bathtub 33, the shower 30, and the clicker 31 in the washing area, the operation becomes easier. Note that these switches 53 and 54 may be provided not in one setting device 38 but in separate setting devices.

Effects of the Invention As described above, the water heater of the present invention provides the following effects.

(1) After hot water is supplied to one of the multiple hot water supply targets connected via multiple hot water supply ports and routes, even if hot water is supplied to 11 hot water supply targets, the hot water remains in the previously used route. There is no danger of hot water being supplied.

(2) One water heater has multiple hot water supply ports, and one
Hot water can be supplied to a plurality of hot water targets using the temperature adjusting means.

(3) A method of lowering the hot water temperature setting in conjunction with the setting of the hot water inlet setting section even if hot water is being supplied at one location and used at another location;
Hot water is not supplied by the method of lowering the water temperature immediately before switching the hot water supply setting section.

(4) By connecting multiple routes to multiple hot water supply ports and merging the routes just before one hot water supply fitting, it can be used for hot water supply at one location while maintaining safety.

(5) An on-off valve that opens and closes multiple hot water ports allows you to select one
Hot water can be supplied to one location or multiple locations at the same time.

[BRIEF DESCRIPTION OF THE DRAWINGS] Fig. 1 is a water heating system using a water heating device according to an embodiment of the present invention, Fig. 2 is a partially cutaway sectional view showing a mixing valve block of the same device, and Fig. 3 is a partially cutaway sectional view showing the mixing valve block of the same device. 4 is a front view of the setting device, FIG. 5 is a front view of the remote control setting device, 61 is a control block diagram of the device,
Figure 7- is a diagram of another hot water supply system using the same device, and Figure 8 is a diagram of a hot water supply system using the conventional water heater. 23...Mixing valve (temperature control means), 27.27
'...Opening/closing valve A', B, 2B...Hot water inlet A129...Hot water inlet B136...Controller, a8...Setting device (hot water inlet setting section, hot water temperature setting section). Name of agent: Patent attorney Toshio Nakao and 1 other person 2nd
Figure 3 Figure 4 Star Figure 5 Yu Figure 8/ρ

Claims (6)

[Claims] (1) A temperature control means for adjusting the temperature of hot water, a plurality of hot water ports to which a path for supplying hot water whose temperature has been regulated by the temperature control means to the hot water supply target is connected, and an opening/closing operation for opening and closing the plurality of hot water ports. a valve, a hot water inlet setting section for selecting the hot water inlet, a hot water temperature setting section for setting the hot water temperature of the temperature adjusting means, and the opening/closing valve according to the settings of the hot water inlet setting section and the hot water temperature setting section and a controller that controls the temperature adjustment means. (2) The hot water supply device according to claim 1, wherein the plurality of hot water supply ports supply different temperature ranges. (3) The water heater according to claim 1, wherein the on-off valve has a flow rate adjustment function. (4) The water heater according to claim 1, wherein the temperature adjusting means is a hot water mixing valve. (5) The hot water supply device according to claim 1, wherein the hot water supply object connected to the hot water supply inlet is a shower in a bathroom washing area as well as a bathtub in a bathroom. (6) The hot water supply device according to claim 1, wherein the hot water supply port setting section is provided corresponding to a plurality of hot water supply targets.