KR102038435B1 - Apparatus for supplying warm water - Google Patents

Abstract

The present invention relates to an apparatus for supplying hot water, which is possible to permanently use a great quantity of hot water by supplying the hot water heated in one hot water container by using a plurality of hot water containers to the outside and preparing the hot water by preliminarily storing and heating the water in the other hot water containers. The apparatus for supplying hot water includes a case, a plurality of hot water containers, heaters, water supply pipes, water supply valves, drain pipes, discharge means and a control unit.

Description

Hot water supply unit {Apparatus for supplying warm water}

The present invention relates to a hot water supply apparatus, and in detail, a plurality of hot water tanks are used to supply hot water heated in one hot water tank to the outside, and the other hot water tank is preliminarily heated to prepare a large amount of hot water. It relates to a hot water supply device that can be supplied at all times.

In general, the hot water supply device is a container for supplying hot water as needed while storing and storing hot water, and is mainly used in businesses such as convenience stores, coffee shops, and restaurants.

However, when a large amount of hot water is continuously extracted in such a hot water supply device, the first extracted water is extracted at a desired temperature, but since the temperature of the water supplied through the feed pipe is low, the temperature of the water gradually decreases in proportion to the amount of water extracted.

To solve this problem, Korean Utility Model Model No. 20-0195151 (named water heater) (hereinafter referred to as 'prior art') was developed.

1 is a schematic diagram schematically showing the configuration of the prior art.

As shown in the drawing, the prior art 500 includes a case 501 and a heater 5021 for heating or warming hot water in the case 501, and protrudes to the front of the case 501 to use hot water. Is equipped with a cock (5022), the storage tank 502 is disposed in front of the storage tank 502, the storage tank 502, the thermostat 5023 for controlling the power supply to the heater 5021 is connected to the water pipe 504 The front end of the water supply pipe 505 having the solenoid valve 508 is composed of a hot water tank 503 connected to the upper portion.

In addition, the inside of the hot water tank 503 controls the heater 5031 for heating the low temperature drinking water supplied to the tip of the water supply pipe 505, and the solenoid valve 508 so that the height of the drinking water maintains a constant height from the bottom. A water level controller 5032 and a temperature controller 5033 for preventing overheating of the heater 5031 and controlling the temperature inside the hot water tank 503 are provided.

In addition, the communication pipe 507 is installed so that the hot water heated in the hot water tank 503 can be supplied to the storage tank 502, the low-temperature drinking water supplied to the hot water tank 503 is appropriate by heating the heater 5031. The small diameter is such that the cross-sectional area of the communication tube 507 has a diameter of 1/3 to 1/2 of the cross-sectional area of the water supply cock 5022 so that only hot water heated to the temperature can be supplied to the storage tank 502.

In addition, two or more steam passages 506 are installed above the storage tank 502 and the hot water tank 503 to exchange steam.

In the prior art 500 configured as described above, after the low-temperature drinking water initially supplied to the highest water level is heated with an appropriate amount of hot water, the heaters 5021 and 5031 serve as a thermal insulation, and the hot water cock 5022 is used as a hot water. If is used, the drinking water is automatically supplied from the water supply pipe 505 as much as the used hot water discharge and mixed with the hot water already warmed to a suitable temperature and falls below the proper temperature to the hot water close to the proper temperature by the heater 503 of the hot water tank 503. As it warms up, the hot water moved to the storage tank 502 through the communication pipe 507 and close to the moved proper temperature is mixed with the existing hot water of the proper temperature again to be changed to hot water closer to the proper temperature and heated by the heater 5021. It will soon be warmed up to the desired temperature.

However, such a prior art 500 is a hot water tank 503 is supplied with low-temperature drinking water through the water supply pipe 505 as much as the amount of hot water discharged through the water supply cock 5022 when using a large amount of hot water continuously, As a result, the hot water stored in the hot water tank 503 is mixed with the low temperature drinking water supplied through the water supply pipe 505 so that the temperature gradually decreases. In addition, the storage tank 502 is discharged through the water supply cock (5022) by mixing the hot water that is not heated to the appropriate temperature in the hot water tank 503 through the communication pipe 507 and mixed with the existing hot water stored therein The temperature of the hot water will be lowered.

The present invention is to solve this problem, the problem of the present invention is to drain the hot water from one hot water tank by using a plurality of hot water tanks, the other hot water tanks are stored in one hot water tank to proceed with water supply and heating Even if all of the hot water is consumed to drain the hot water stored in another hot water tank to provide a hot water supply device capable of discharging hot water having a constant temperature even using a large amount of hot water.

Solution to Problem The present invention for solving the above problems in the hot water supply device for discharging hot water: a case; Hot water tanks installed in the case; Heaters for heating each hot tub; Water pipes connected to each hot water tank to supply water; Water supply valves respectively installed on the water supply pipes; Drain pipes connected to the respective hot water tanks, the ends of which are exposed to the outside of the case, and discharge water of the connected hot water tanks; It is provided at the end of the drain pipe and the discharge means for opening or closing the drain pipe connected in accordance with the user's operation.

In addition, in the present invention, a light source unit corresponding to each of the hot water tanks is installed on an outer surface of the case, and the hot water supply device includes a control unit for controlling the light source units, and water temperature sensors installed in each of the hot water tanks. The controller determines a hot water tank having a temperature higher than or equal to a predetermined set temperature as a hot water supply target by using the water temperature values measured by the water temperature sensors, and then the hot water tank determined as a hot water supply target. Turn on the light source corresponding to the, but when the hot water of the hot water tank determined to be the hot water supply falls below a predetermined set temperature, the hot water tank of hot water having a temperature above the set temperature of the remaining hot water tanks is changed to the hot water supply target. After that, it is preferable to turn on the light source unit corresponding to the hot water tank changed to the hot water supply object.

In addition, the hot water tank in the present invention is a first water level sensor installed in a position adjacent to the lower surface; And a second water level sensor installed at a position adjacent to an upper surface, wherein the controller comprises: a memory in which the set temperature is stored; A level analysis module for analyzing whether the water level of the hot water tank reaches the first level sensor or the second level sensor; A temperature control module for controlling a corresponding heater to heat the hot water received in the hot water tank to the set temperature; The water level analysis module is driven when the water level reaches the first level sensor to open the water supply valve, and the water level analysis module is driven when the water level reaches the second level sensor. It is preferable to include a water supply module to close the water supply valve.

In addition, another solution of the present invention is a hot water supply device for discharging hot water: a case having an inner space; Hot water tanks installed in the case; Heaters respectively heating the hot water tanks; Water supply pipes connected to each of the hot water tanks to supply water; Water supply valves respectively installed on the water supply pipes; A first drain pipe including communication parts connected to respective hot water tanks and connection parts connected to ends of the communication parts; A second drain pipe connected to the connection part of the first drain pipe to discharge hot water to an end portion; Drain valves installed on the communicating parts to open and close the connected communication parts; Water temperature sensors respectively installed in the hot water tanks; And a controller, wherein the controller determines a hot water tank having a temperature equal to or higher than a preset temperature by using the water temperature values measured by the water temperature sensors as a hot water supply target. Open the drain valve corresponding to the hot water tank determined to be, but when the hot water of the hot water tank determined as the hot water supply falls below a predetermined set temperature, the hot water tank of hot water having a temperature above the set temperature of the remaining hot water tanks After changing to the supply target, the drain valve of the previous hot water supply target and at the same time to open the drain valve corresponding to the hot water tank changed to the hot water supply target.

In addition, another solution of the present invention is a hot water supply device for discharging hot water: a case having an inner space; Water exit button is installed on the outside of the case; Hot water tanks installed in the case; Heaters respectively heating the hot water tanks; Water supply pipes connected to each of the hot water tanks to supply water; Water supply valves respectively installed on the water supply pipes; A first drain pipe including communication parts connected to respective hot water tanks and connection parts connected to ends of the communication parts; A second drain pipe connected to the connection part of the first drain pipe to discharge hot water to an end portion; Drain valves installed on the communicating parts to open and close the connected communication parts; Water temperature sensors respectively installed in the hot water tanks; And a control unit, wherein the control unit determines a hot water tank having a temperature higher than or equal to a preset set temperature of the hot water tanks by using the water temperature values measured by the water temperature sensors as a hot water supply target. When the hot water of the hot water tank determined to fall below the preset set temperature, the hot water tank of hot water having a temperature above the set temperature among the remaining hot water tanks is changed to a hot water supply target, and when the water discharge button is input, the current hot water supply target It is to open the drain valve connected to the hot water tank determined.

In the present invention, the hot water supply device is at least one or more connecting pipes installed between adjacent hot water tanks; At least one opening and closing plate for opening and closing the connector; Further comprising a flow rate sensor installed in each of the communication unit for measuring the flow rate of water passing through the communication unit, the control unit is a flow rate measured by the flow sensor corresponding to the hot water tank determined as the hot water supply target is less than the predetermined set flow rate When it is determined that the drain valve of the communication unit does not operate normally, it is preferable to open the opening and closing plate corresponding to the hot water tank.

In addition, the hot water tank in the present invention is a first water level sensor installed in a position adjacent to the lower surface; And a second water level sensor installed at a position adjacent to an upper surface, wherein the controller comprises: a memory in which the set temperature is stored; A level analysis module for analyzing whether the water level of the hot water tank reaches the first level sensor or the second level sensor; A temperature control module for controlling a corresponding heater to heat the hot water received in the hot water tank to the set temperature; The water level analysis module is driven when the water level reaches the first level sensor to open the water supply valve, and the water level analysis module is driven when the water level reaches the second level sensor. It is preferable to include a water supply module to close the water supply valve.

According to the present invention having the above-mentioned problems and solving means, when the plurality of hot water tanks are separated and installed, when the hot water is discharged from one hot water tank, the other hot water tanks are supplied with a low temperature water from the water supply pipe to store the hot water, At this time, the hot water tanks are separated, so that the hot water tank discharging hot water is discharged from hot water at a predetermined temperature without being affected by low temperature water.

In addition, according to the present invention, since the storage and discharging of hot water proceeds simultaneously in a plurality of separated hot water tanks, even if all of the hot water in the hot water tank is being discharged, the hot water stored in the other hot water tanks is discharged to a large amount Hot water can be used continuously.

1 is a schematic diagram schematically showing the configuration of the prior art.
2 is a perspective view of the hot water supply device of the first embodiment of the present invention.
3 is a side view of FIG. 2.
4 is a front view of FIG. 2.
FIG. 5 is a block diagram illustrating the controller of FIG. 2.
6 is a perspective view of a hot water supply device of a second embodiment of the present invention.
7 is a block diagram for explaining a controller of a second embodiment of the present invention.
8 is a front view of the hot water supply device of the third embodiment of the present invention.
9 is a block diagram illustrating a control unit of a third embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention.

2 is a perspective view of the hot water supply device of the first embodiment of the present invention, Figure 3 is a side view of FIG.

The hot water supply device 100 includes a case 1 having an inner space, a first hot water tank 2a and a second hot water tank 2b installed inside the case 1 and storing hot water, and a hot water tank ( 2a) and heaters 3 for heating and maintaining the water stored in (2b) to a predetermined temperature, and the hot water tanks 2a and 2b of the case 1, respectively, to be connected to the hot water tank 2a. (2b) is connected to each of the water supply pipe (4) for supplying water at each side, and the hot water tank (2a), (2b), the end of which is exposed to the outside of the case (1) hot water tank (2a), ( 2b) drain pipes 5 through which water is drained, coke 6 installed in each of the drain pipes 5 to adjust and discharge the discharge amount according to the operation of the lever 61, and the case 1 It is installed inside the control unit 7 for controlling the operation of the hot water supply device 100, the control panel 8 is installed on the outer surface of the case 1, and connected to the hot water tank (2a), (2b) And discharges steam stored in the hot water tanks 2a and 2b. It comprises a vapor discharge pipe (9) and the outer ambient light sensor 10 that is installed in the case (1).

In this case, for the convenience of description, for example, two hot water tanks 2 are described as examples, but the hot water tanks 2 may be configured to be installed at least three.

The hot water tanks 2a and 2b are separately installed in the inner space of the case 1.

In addition, a water temperature sensor 21 for checking a water temperature, a first water level sensor 22a, and a second water level sensor 22b are installed in each hot water container.

At this time, the first water level sensor 22a is installed inside the hot water tank so that the first sensing unit 221a for measuring the water level is disposed at a position adjacent to the lower surface of the hot water tank, and the second water level sensor 22b is used to adjust the water level. The second sensing unit 221b for measuring is installed inside the hot water tank so as to be disposed at a position adjacent to the upper surface of the hot water tank.

At this time, the temperature value measured by the water temperature sensor 21 is displayed to the outside through the water temperature display unit 81 of the control panel 8, accordingly, the water temperature sensor 21 is the temperature of the hot water discharged through the drain pipe (5) It is preferable to be installed at a position adjacent to the drain pipe (5) so that can be measured.

In the first water level sensor 22a, the first sensing unit 221a is positioned adjacent to the lower surfaces of the hot water tanks 2a and 2b so that the amount of hot water stored in the hot water tanks 2a and 2b is lower. Check if the threshold has been reached.

In addition, in the second water level sensor 22b, the second sensing unit 221b is positioned adjacent to the upper surfaces of the hot water tanks 2a and 2b, so that the amount of hot water stored in the hot water tanks 2a and 2b is increased. Check if the upper threshold has been reached.

In addition, the heaters 3 are located below each of the hot water tanks 2a and 2b, and heat the water stored in the hot water tanks 2a and 2b to a predetermined temperature.

In this case, for convenience of description, the heaters 3 have been described as examples, which are positioned below the hot water tanks 2a and 2b. However, the heaters 3 are not limited thereto, and the shape of surrounding the outside is inserted into the inside. Various types of heaters may be applied, such as in the form.

The water supply pipe 4 is formed of a 'c' shape made of a communication part 41 connected to each of the hot water tanks 2a and 2b, and a connection part 42 connecting the ends of the communication parts 41 to each other. It consists of the 1st water supply pipe 4a and the 2nd water supply pipe 4b connected to the connection part 42 of the 1st water supply pipe 4a, and the edge part connected to an external water supply apparatus.

In addition, the communicating portions 41 of the water supply pipe 4 are provided with a first water supply valve 43a and a second water supply valve 43b respectively operated by a solenoid.

The water supply valves 43a and 43b are opened and closed by the controller 7, and when the first water supply valve 43a is opened, water is supplied to the first hot water tank 2a, and the first water supply valve 43a is provided. When the water supply is closed, the water supply in the first hot water tank 2a is stopped.

The drain pipe 5 has one end connected to the first hot water tank 2a and protruding to the outside of the case 1, and one end connected to the second hot water tank 2b and the case 1. It consists of a second drain pipe (5b) protruding to the outside of, the other end of the first drain pipe (5a) and the second drain pipe (5b) is provided with coke (6a), (6b) for adjusting the drainage amount.

In addition, levers 61a and 61b, which can adjust the amount of water drained, are respectively provided on the upper portions of the cocks 6a and 6b.

The steam discharge pipe 9 communicates with the hot water tanks 2a and 2b and protrudes on the upper or side surface of the case 1 to discharge steam inside the hot water tanks 2a and 2b.

The illuminance sensor 10 is installed outside the case 1, and when the illuminance of light input from the outside rises above a predetermined illuminance threshold value, the light sensor 10 outputs a light detection signal to the control unit 7, and the light input from the outside. When the illuminance falls below the preset illuminance threshold, the output of the light detection signal is stopped.

4 is a front view of FIG. 2.

The control panel 8 includes a water temperature display unit 81, a state display unit 82, and a temperature control unit 83, and these constituent means are driven under the control of the control unit 7.

The water temperature display unit 81 is installed in the center of the control panel 8 and displays the water temperature inside the hot water tanks 2a and 2b measured by the water temperature sensors 21.

The status display unit 82 is composed of a use lamp 821, a heating lamp 822, a water supply lamp 823, and each one is installed on each side of the water temperature display unit 81, the first hot water tank (2a) and the first 2 in front of the hot water tank (2b) displays the state of the hot water tanks (2a), (2b).

The use lamp 821 is an indicator that displays the hot water tank 2 in which the hot water temperature of the hot water tanks 2a and 2b has reached a preset temperature and the water supply valve 43 is closed when the water supply is finished. .

At this time, the hot water tank in which the heating is completed and the water temperature of the stored hot water reaches a preset temperature is expressed as a use state for convenience of explanation.

In addition, the heating lamp 822 is turned on when the water temperature inside the hot water tank (2) of the two hot water tanks (2a), (2b) is less than the preset temperature, the hot water in the hot water tank (2) is not completed heating. It is an indicator that displays, and the water supply lamp 823 is an indicator that displays the hot water tank 2 in which the water supply valve 43 is opened among the two hot water tanks 2a and 2b.

The temperature control unit 83 is made of a jog dial, and the user may adjust the set temperature of the heaters 3 through the temperature control unit 83.

In this case, the temperature control unit 83 is described as an example using a jog dial for convenience of description, but the shape of the temperature control unit 83 is not limited thereto, and various forms such as a button pressing method may be used. Of course.

Through the control panel 8 configured as described above, the user can display the water temperature inside the hot water tanks 2a and 2b of the hot water supply device 100 and the state of charge of the hot water, such as the water temperature display unit 81 and the state display unit 82. It can be confirmed through the), the temperature of the hot water stored in the hot water tank (2a), (2b) can be adjusted through the temperature control unit (83).

FIG. 5 is a block diagram illustrating the controller of FIG. 2.

The control unit 7 includes a control module 71, a memory 72, a water level analysis module 73, a water supply module 74, a temperature control module 75, and a display unit module 76.

The control module 71 is an operating system (OS) of the control unit 7, and controls the respective configuration modules 73, 74, 75, and 76.

The memory 72 stores a set temperature set by the temperature controller 83, an illuminance threshold of the illuminance sensor 10, a rest temperature of the heater 3, and the like.

The water level analysis module 73 is the hot water tanks 2a and 2b by the sensing units 221a and 221b of the water level sensors 22a and 22b installed in the hot water tanks 2a and 2b. It is checked whether the water level reaches the lower limit threshold where the first sensing unit 221a is located or the upper limit threshold where the second sensing unit 221b is located.

At this time, the analysis data detected by the water level analysis module 73 is input to the water supply module 74 and the temperature control module 75.

The water supply module 74 utilizes the analysis data input from the water level analysis module 73, and when the hot water stored in the hot water tanks 2a and 2b reaches a lower limit threshold, the corresponding hot water tank 2 The water supply valve is controlled to open the water supply valve of the water supply valve, and when the hot water stored inside the hot water tanks 2a and 2b reaches an upper threshold, the water supply valve is closed so that the water supply valve of the hot water tank 2 is closed. To control.

That is, the water supply module 74 opens or closes the water supply valve 43 by using the water level measured by the water level analysis module 73 to supply water or supply water into the hot water tanks 2a and 2b. Stop.

Temperature control module 75 utilizes the analysis data input from the water level analysis module 73, when the hot water stored inside of the hot water tank (2a, 2b) reaches a lower limit threshold, the hot water of the hot water tank The heater 3 is controlled to heat up to the set temperature.

In addition, the temperature control module 75 controls the operation of the heater 3 so that the temperature of the hot water in each hot water tank forms a threshold range from the set temperature. In other words, when the temperature of the hot water drops below a predetermined value, the temperature control module 75 drives the heater 3 to heat the hot water so that the hot water becomes a set temperature.

At this time, when the temperature control module 75 receives the light detection signal from the illuminance sensor 10 mounted on the outside of the case 1, the heaters 3 set the stored hot water inside the hot water tanks 2a and 2b. When the light is heated to the temperature but the illuminance of the light input from the outside is lowered below the preset illuminance threshold and the output of the light detection signal is stopped, the heaters 3 dispose of the hot water stored in the hot water tanks 2a and 2b. Heat up to 40 ℃, the preset resting temperature.

In this case, for the convenience of explanation, the rest temperature is described as an example of 40 ° C., but the rest temperature is not limited thereto and may be set to various temperatures.

The display unit module 76 displays the water temperature measured by the water temperature sensor 21 on the water temperature display unit 81, and the use lamp 821, the heating lamp 822, the water supply lamp 823, and the hot water supply device 100. Lights up according to the current state of.

In the hot water supply device 100 configured as described above, when power is applied, the first water supply valve 43a of the first hot water tank 2a is opened so that the first hot water tank 2a is supplied with water, and the first water being supplied with water. When the water level 2a reaches the first water level sensor 22a, the heater 3 operates to start heating to the set temperature.

In addition, when the water level reaches the second water level sensor 22b of the first hot water tank 2a in water supply, the first water supply valve 43a is closed, and the second hot water tank 2b is the second water supply valve 43b. Is opened and water supply proceeds.

In addition, when the water level reaches the first water level sensor 22a in the second hot water tank 2b, the heater 3 is operated to start heating to the set temperature, and the water level reaches the second water level sensor 22b. When it reaches, the second water supply valve 43b is closed to stop the water supply.

In this case, the heater 3 heats only one hot water tank 2 of the two hot water tanks 2a and 2b, first heats the first hot water tank 2a that is being heated, and then heats the first hot water tank ( When the water temperature of 2a) reaches the set temperature, the second hot water tank 2b is heated.

In addition, when the warm water inside the first hot water tank 2a reaches the set temperature, the use lamp 821 of the state display unit 82 located in front is turned on, and the water from the cock 6a is operated by operating the lever 61a. You can get out.

At this time, the use lamp 821 of the second hot water tank 2b is not turned on even when the hot water inside the second hot water tank 2b reaches the set temperature, and the hot water inside the first hot water tank 2a is turned on to the first water level. When the sensor 22a is reached, the lamp is turned on, and the first hot water tank 2a opens the first water feed valve 43a to start water supply.

At this time, the hot water supply device 100 uses both two hot water tanks 2a and 2b, and when the two hot water tanks 2a and 2b both have low water levels, a large amount of hot water cannot be used continuously. Therefore, it is preferable that only one hot water tank 2 can be used even in a state where both water supply and heating of the first hot water tank 2a and the second hot water tank 2b are completed.

The hot water supply device 100 proceeds at the same time as the above process repeatedly because the discharge and storage of hot water proceeds at the same time in the hot water tanks (2a, 2b) separated from each other, even if a large amount of hot water is continuously used It can discharge hot water having a.

In addition, the hot water supply device 100 may reduce the amount of power consumed by heating the temperature stored therein to the rest temperature only when the hot water supply device 100 is not used through the illumination sensor 10.

6 is a perspective view of a hot water supply device according to a second embodiment of the present invention, and FIG. 7 is a block diagram for explaining a control unit of the second embodiment of the present invention.

The hot water supply device 200 of FIG. 6 is a second embodiment of the present invention, and the case 1, the first hot water tank 2a, the second hot water tank 2b, and the heater 3 of FIG. , Water supply pipe (4), steam discharge pipe (9), and the illumination sensor (10).

In addition, the hot water supply device 200 further includes a drain pipe 11, a water outlet 12, a control panel 50, and a controller 80.

The drain pipe 11 includes a communication part 111 installed in communication with the first hot water tank 2a and the second hot water tank 2b, and a connection part 112 connecting the ends of the communication parts 111. It consists of a c 'shaped first drain pipe (11a), and one end is connected to the connecting portion 112 of the first drain pipe (11a) and the second drain pipe (11b) having the water outlet portion 12 is installed at the other end.

In addition, the communicating portion 111 of the first drain pipe 11a is provided with a first drain valve 113a and a second drain valve 113b operated by a solenoid, respectively.

The drain valves 113a and 113b are opened and closed by the controller 80, and when the first drain valve 113a is opened, the drain valves 113a and 113b may discharge hot water stored in the first hot water tank 2a. When the valve 113a is closed, hot water stored in the first hot water tank 2a is prevented from being discharged.

The water extraction button 51 is installed in the control panel 50.

At this time, when the water discharge button 51 is pressed by the user, the control unit 80 opens the drain valve 113 of the hot water tank 2 which is currently in use among the two hot water tanks 2a and 2b. More specifically, the drain valve of the hot water container 2 which is currently in use among the first drain valve 113a and the second drain valve 113b is opened.

6 and 7 illustrate, for convenience of description, that the controller 80 controls opening and closing of the drain valves 113a and 113b according to the pressurization of the water discharge button 51. Of course, the 80 may be configured to automatically select and open the drain valve corresponding to the hot water tank currently in use.

In the hot water supply device 200 configured as described above, when power is applied, the first water supply valve 43a of the first hot water tank 2a is opened so that the first hot water tank 2a is supplied with water, and the first water being supplied with water. When the water level 2a reaches the first water level sensor 22a, the heater 3 operates to start heating to the set temperature.

In addition, when the water level reaches the second water level sensor 22b of the first hot water tank 2a in water supply, the first water supply valve 43a is closed, and the second hot water tank 2b is the second water supply valve 43b. Is opened and water supply proceeds.

In addition, when the water level reaches the first water level sensor 22a in the second hot water tank 2b, the heater 3 is operated to start heating to the set temperature, and the water level reaches the second water level sensor 22b. When it reaches, the second water supply valve 43b is closed to stop the water supply.

In this case, the heater 3 heats only one hot water tank 2 of the two hot water tanks 2a and 2b, first heats the first hot water tank 2a that is being heated, and then heats the first hot water tank ( When the water temperature of 2a) reaches the set temperature, the second hot water tank 2b is heated.

In addition, the first hot water tank (2a) and the second hot water tank (2b) when the hot water in the internal temperature reaches the set temperature, the use lamp 821 of the state display unit 82 located in front is turned on.

At this time, the hot water supply device 200 when the water discharge button 51 is pressed, the drain valve 113 of the hot water tank 2 in use is opened to discharge hot water through the water outlet 12, and two hot water tanks 2a. ) And (2b), the first hot water tank 2a is used preferentially when it is in use.

In addition, when the hot water supply device 200 uses hot water stored in the first hot water tank 2a until it reaches the first water level sensor 22a, the first water supply valve 43a is opened to proceed with water supply. The second hot water tank 2b is automatically used.

In addition, when the hot water supply device 200 uses hot water stored in the second hot water tank 2b until it reaches the first water level sensor 22a, the second water supply valve 43b is opened to proceed with water supply. Since the first hot water tank 2a is automatically used, hot water at a set temperature can be discharged by simply pressing the water discharge button 51 without any separate operation.

FIG. 8 is a front view of the hot water supply device of the third embodiment of the present invention, and FIG. 9 is a block diagram for explaining the control unit of the third embodiment of the present invention.

The hot water supply device 300 of FIG. 8 is a third embodiment of the present invention, and the case 1, the first hot water tank 2a, the second hot water tank 2b, and the heater 3 of FIG. And a water supply pipe 4, a control panel 50, a steam discharge pipe 9, an illuminance sensor 10, a drain pipe 11, and a water outlet 12.

In addition, the hot water supply device 300 further includes a connection pipe 13, an opening and closing plate 131, a flow sensor 14a, a flow sensor 14b, and a controller 90.

The connecting pipe 13 is installed at both ends thereof so as to communicate with the first hot water tank 2a and the second hot water tank 2b so that the hot water in the first hot water tank 2a and the second hot water tank 2b moves. In the center of the tube 13 is provided an opening and closing plate 131 for opening or blocking the movement of water.

In addition, the first and second flow rate sensors 14a and 14b for measuring the flow rate of water passing through the drainage pipe 11 are additionally installed between the communication portions 111 and the connection portion 112 of the drainage pipe 11. do.

The control unit 90 of FIG. 9 includes the control module 71, the memory 72, the water level analysis module 73, the water supply module 74, the temperature control module 75, and the display unit of the control unit 80 of FIG. 7 described above. It consists of a module 76 and a drainage module 81.

In addition, the control unit 90 further includes a failure determination module 91 and an opening and closing plate driving module 92.

The failure determination module 91 determines that the operation of the drain valve 113 of the corresponding hot water tank does not operate normally when the flow rate measured by the flow sensor of the hot water tank currently in use falls below a preset flow rate setting value. Output a fault signal.

At this time, the control module 71 replaces the hot water tank in the current use state with another hot water tank when a failure signal is output from the fault determination module 91.

The opening and closing plate driving module 92 normally closes the opening and closing plate 131, and opens the opening and closing plate 131 when a failure signal is input from the failure determining module 91.

The hot water supply device 300 configured as described above has a second flow rate sensor (assuming that the one side hot water tank 2b is currently in use and the second drain valve 113b of the hot water tank 2b does not operate normally. The flow rate value measured by 14b) falls below the preset flow rate setting value, and accordingly, the failure determination module 91 determines that the operation of the first drain valve 113b is not normal and opens and closes the control module 71. The plate driving module 92 outputs a failure signal.

In addition, the control module 71 stops the use of the second drain valve 113b when the failure signal is output by the fault determination module 91, and switches the first hot water tank 2a to a use state. At this time, in the second hot water tank 2b, the second water supply valve 43b is opened under the control of the control module 71 to receive water to store the hot water.

 In addition, the controller 90 drives the open / close board driving module 92 when the water level of the hot water stored in the second hot water tank 2b reaches an upper limit threshold and the water temperature reaches a set temperature. As a result, the opening and closing plate 131 formed in the connecting pipe 13 is opened so that the hot water stored in the second hot water tank 2b is supplied to the first hot water tank 2a.

In addition, after the water level of the hot water stored in the second hot water tank 2b reaches the lower limit threshold or a predetermined time elapses, the controller 90 drives the open / close board driving module 92 to open and close the open / close board driving module 92. The opening and closing plate 131 is closed.

Through this, the hot water supply device 300 is a state in which the drain valve 113 of one hot water tank 2 fails or the hot water is not discharged smoothly, and the drain valve 113 is not broken. By using the hot water tank for the hot water discharge and the drain valve 113 is broken for hot water supply, hot water having a set temperature may be discharged even when a large amount of hot water is continuously used.

1: case 2: hot water bottle 3: heater
4: water pipe 5: drain pipe
6 coke 7 control unit 8 control panel
100: hot water supply device of the first embodiment
200: hot water supply device of the second embodiment
300: hot water supply device of the third embodiment

Claims (7)

In a hot water supply device in which a plurality of hot water tanks are installed to discharge hot water above a predetermined temperature:
case;
A plurality of hot water tanks installed in the case;
Heaters for heating each hot tub;
Water pipes connected to each hot water tank to supply water;
Water supply valves respectively installed on the water supply pipes;
Drain pipes connected to the respective hot water tanks, the ends of which are exposed to the outside of the case, and discharge water of the connected hot water tanks;
Discharge means installed at ends of the drain pipes to open or close the drain pipes connected by a user's operation;
It includes a control unit for controlling the heaters, the water supply valves, the discharge means,
Each of the hot tubs
A water temperature sensor for sensing a temperature of hot water for measuring a temperature of stored hot water;
A first level sensor installed at a position adjacent to the bottom surface;
A second water level sensor installed at a position adjacent to the upper surface,
The control unit
A memory in which the preset temperature is stored;
A level analysis module for analyzing whether the water level of the hot water tank reaches the first level sensor or the second level sensor;
A temperature control module controlling a heater so that hot water received in the hot water tank is heated to the preset temperature;
The water level analysis module is driven when the water level reaches the first level sensor to open the water supply valve, and the water level analysis module is driven when the water level reaches the second level sensor. A water supply module for closing the water supply valve,
The control unit
The hot water detected by the water temperature sensors is greater than the predetermined temperature and the water level is sensed by the second water level sensor to determine the hot water tank in which the water supply valve is closed to supply hot water, and supply the hot water. When hot water reaches a height detected by the first water level sensor while hot water is supplied from a hot water tank of a hot water supply target, a hot water tank of hot water having a temperature higher than the set temperature among the remaining hot water tanks is changed to a hot water supply target. After, the hot water supply device characterized in that for supplying hot water of the hot water tank changed to the hot water supply target. delete delete In a hot water supply device in which a plurality of hot water tanks are installed to discharge hot water above a predetermined temperature:
A case in which an inner space is formed;
Hot water tanks installed in the case;
Heaters respectively heating the hot water tanks;
Water supply pipes connected to each of the hot water tanks to supply water;
Water supply valves respectively installed on the water supply pipes;
A first drain pipe including communication parts connected to each hot water tank and a connection part connected to ends of the communication parts;
A second drain pipe connected to the connection part of the first drain pipe to discharge hot water to an end portion;
Drain valves installed on the communicating parts to open and close the connected communication parts;
Water temperature sensors respectively installed in the hot water tanks;
A first water level sensor installed at a position adjacent to the lower surface of the hot water tank;
A second water level sensor installed at a position adjacent to the hot water tank upper surface;
Including a control unit,
The control unit
Using the water temperature values measured by the water temperature sensors, a hot water tank having a temperature higher than or equal to a predetermined set temperature is determined as a hot water supply target after the received hot water among the hot water tanks is drained corresponding to the hot water tank determined as the hot water supply target. When the valve is opened and the water level of the hot water tank determined as the hot water supply reaches the water level detected by the first water level sensor, the hot water tank of the hot water having a temperature above the set temperature among the remaining hot water tanks is supplied with hot water. After changing to the target, the hot water supply device characterized in that for closing the drain valve of the previous hot water supply target and opening the drain valve corresponding to the hot water tank changed to the hot water supply target. delete The apparatus of claim 4, wherein the hot water supply device
At least one connection pipe installed between adjacent hot water tanks;
At least one opening and closing plate for opening and closing the connector;
Further installed in each of the communication portion further comprises a flow rate sensor for measuring the flow rate of water passing through the communication portion,
The control unit
When the flow rate measured by the flow sensor corresponding to the hot water tank determined to be the hot water supply target is less than the predetermined set flow rate, it is determined that the drain valve of the communication unit does not operate normally, opening and closing the plate corresponding to the hot water tank Hot water supply system. The method of claim 6, wherein the hot water tank
A first level sensor installed at a position adjacent to the bottom surface;
Further comprising a second water level sensor installed in a position adjacent to the upper surface,
The control unit
A memory in which the set temperature is stored;
A level analysis module for analyzing whether the water level of the hot water tank reaches the first level sensor or the second level sensor;
A temperature control module for controlling a corresponding heater to heat the hot water received in the hot water tank to the set temperature;
The water level analysis module is driven when the water level reaches the first level sensor to open the water supply valve, and the water level analysis module is driven when the water level reaches the second level sensor. And a water supply module for closing the water supply valve.

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