JP2012511131A - Water heater system and operating method thereof - Google Patents

Water heater system and operating method thereof Download PDF

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Publication number
JP2012511131A
JP2012511131A JP2011538795A JP2011538795A JP2012511131A JP 2012511131 A JP2012511131 A JP 2012511131A JP 2011538795 A JP2011538795 A JP 2011538795A JP 2011538795 A JP2011538795 A JP 2011538795A JP 2012511131 A JP2012511131 A JP 2012511131A
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Japan
Prior art keywords
water
heater
tank
heater system
temperature
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Pending
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JP2011538795A
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Japanese (ja)
Inventor
パッセル パトリック
Original Assignee
ダックス マニュファクチュアリング リミテッド
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Priority to AU2008906352A priority Critical patent/AU2008906352A0/en
Priority to AU2008906352 priority
Application filed by ダックス マニュファクチュアリング リミテッド filed Critical ダックス マニュファクチュアリング リミテッド
Priority to PCT/AU2009/001432 priority patent/WO2010065986A1/en
Publication of JP2012511131A publication Critical patent/JP2012511131A/en
Application status is Pending legal-status Critical

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H1/00Water heaters having heat generating means, e.g. boiler, flow- heater, water-storage heater
    • F24H1/10Continuous-flow heaters, i.e. in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/12Continuous-flow heaters, i.e. in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium
    • F24H1/121Continuous-flow heaters, i.e. in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using electric energy supply
    • F24H1/122Continuous-flow heaters, i.e. in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium in which the water is kept separate from the heating medium using electric energy supply combined with storage tank
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00Domestic hot-water supply systems
    • F24D17/0026Domestic hot-water supply systems with conventional heating means
    • F24D17/0031Domestic hot-water supply systems with conventional heating means with accumulation of the heated water
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00Details
    • F24D19/10Arrangement or mounting of control or safety devices including control or safety methods
    • F24D19/1006Arrangement or mounting of control or safety devices including control or safety methods for water heating systems
    • F24D19/1051Arrangement or mounting of control or safety devices including control or safety methods for water heating systems for domestic hot water
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices or methods
    • F24H9/2007Arrangement or mounting of control or safety devices or methods for water heaters
    • F24H9/2014Arrangement or mounting of control or safety devices or methods for water heaters for heaters using electrical energy supply
    • F24H9/2021Storage heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT GENERATING MEANS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices or methods
    • F24H9/2007Arrangement or mounting of control or safety devices or methods for water heaters
    • F24H9/2014Arrangement or mounting of control or safety devices or methods for water heaters for heaters using electrical energy supply
    • F24H9/2028Continuous-flow heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2220/00Components of central heating installations excluding heat sources
    • F24D2220/04Sensors
    • F24D2220/042Temperature sensors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2240/00Characterizing positions, e.g. of sensors, inlets, outlets
    • F24D2240/26Vertically distributed at fixed positions, e.g. multiple sensors distributed over the height of a tank, or a vertical inlet distribution pipe having a plurality of orifices

Abstract

A hot water system (10) comprising a water storage tank (14) and an instantaneous-type water heater (12). The water storage tank (14) has an inlet (22) and outlet (24). The instantaneous-type water heater (12) has an inlet (18), in fluid communication with a mains water supply (26), and an outlet (20), in fluid communication with the inlet (22) of the tank (14). The water heater (12) energises in response to a flow of water through the water heater (12).

Description

  The present invention relates to a water heater system and an operating method thereof.

  The present invention was first developed for use in an instantaneous gas water heater, and its application will be described. However, the present invention is not limited to the use in the field, and can be used in an electric instantaneous water heater. In the United States, an instantaneous water heater without a tank is known.

  A known instantaneous water heater includes a water inlet connected to a tap water supply source and a water outlet connected to a faucet or the like. When water flows through the heater, the gas burner and electrical equipment inside it automatically operate.

  This known structure has two problems.

  The first problem is related to wasting water. When the user operates the hot water faucet, the user must wait for the supplied water to be warmed, and the warming in the pipe between the faucet and the hot water outlet until the hot water reaches the faucet. All unused water is discarded. Authorities for water management in the Australian federal government rate that this type of use in the average household occurs about 19 times per day and is wasting more than 90 liters per day.

  The second problem relates to two types of gas waste. As described above, the waste of the first type of gas is caused by burning the burner by detecting the flow of water passing through the heater, which is generated by opening the faucet of the hot water, in the known instantaneous water heater. To do. In the case of a shower, the water heater operates several times to raise the temperature, and water warmed from the cold water supplied during the heating period is often wasted by the householder. The waste of the second type of gas occurs simply by closing the faucet immediately after many users wash their hands, after opening the faucet with hot water and making it cold water. In such a case, the gas is used only at the start-up stage, and the hot water remaining in the pipe is cooled and wasted.

  Accordingly, an object of the present invention is to reduce the waste of water and gas in a water heater system used in an instantaneous water heater.

  In a first aspect, a water heater system provided by the present invention includes a water storage tank having a water inlet and a water outlet, a water inlet connected to a tap water supply source, and a water outlet connected to a water inlet of the tank. And an instantaneous heater that operates in response to the flow of water through the heater.

  Preferably, the tank is insulated.

  Preferably, the water outlet of the tank communicates with a valve operated by a user.

  In the second aspect, in the operation method of the water heater system provided by the present invention, tap water is supplied to the water inlet of the instantaneous heater, the heater operates in response to the water supplied to the heater, Hot water is led from the water outlet of the heater to the water inlet of the water storage tank, and the hot water is led from the water outlet of the tank to the water outlet operated by the user.

  In a third aspect, the water heater system provided by the present invention includes a water storage tank having a water inlet and a water outlet, a water inlet connected to a tap water supply source, and a water outlet connected to the water inlet of the tank. And a controller for receiving a signal indicating the water temperature in the tank and transmitting a control signal to the heater, wherein the water temperature in the tank is substantially the same as a preset first value. Alternatively, the controller activates the heater in response to the temperature signal indicating that the temperature is lower.

  Preferably, the controller does not operate or reduces the heater in response to the temperature signal indicating that the water temperature in the tank is substantially the same as or higher than a preset second value.

  Preferably, the temperature signal indicating that the water temperature in the tank is substantially equal to or higher than a preset first value and is substantially equal to or lower than a preset second value. In response to the above, the controller does not operate or reduces the heater.

  Preferably, the controller transmits a control signal to the heater to change the amount of energy given to the water in the heater to change the water temperature flowing out from the heater.

  It is preferred that the first preset value is about 55 ° C. The preset second value is preferably about 75 ° C.

  In a certain form, the 1st temperature sensor arrange | positioned in the intermediate part of the said tank or its vicinity is provided.

  In another form, it is provided with the 1st temperature sensor arranged at the upper part of the tank, or its neighborhood, and the 2nd temperature sensor arranged at the lower part of the tank, or its neighborhood, and the 2nd temperature. The controller activates the heater in response to the sensor indicating a temperature substantially equal to or less than a preset first value.

  Preferably, the controller does not operate or reduces the heater in response to the first temperature sensor indicating a temperature substantially equal to or higher than a preset second value.

  Preferably, the second temperature sensor indicates a temperature substantially equal to or higher than a preset first value, and the first temperature sensor is substantially equivalent to a preset second value. In response to indicating the same or lower temperature, the controller does not operate or de-activates the heater.

  Preferably, the controller transmits a control signal to the heater to change the amount of energy given to the water in the heater to change the water temperature flowing out from the heater.

  In a fourth aspect, in the operation method of the water heater system provided by the present invention, tap water is supplied to the water inlet of the instantaneous heater, water is led from the water outlet of the heater to the water inlet of the water storage tank, Water is led from the water outlet of the tank to the water outlet operated by the user, the water temperature in the tank is measured, and the second temperature sensor has a first value in which the water temperature in the tank is set in advance. In response to a temperature signal indicating that the temperatures are substantially the same or lower, the heater is not operated or is reduced.

Preferably, the heater is not operated or reduced in response to a temperature signal indicating that the water temperature in the tank is substantially equal to or higher than a preset second value.
Preferably, the water temperature in the tank is a temperature substantially equal to or higher than a preset first value, and a temperature substantially equal to or lower than a preset second value. In response to a temperature signal indicating that the heater is not operated, the heater is not operated or is reduced.

  Preferably, the preset first temperature value is about 55 ° C. Preferably, the preset second temperature value is about 75 ° C.

  Preferably, in order to change the temperature of water flowing out of the heater, the amount of energy given to the water by the heater is changed.

  In a fifth aspect, a water heater system provided by the present invention includes a water storage tank having a water inlet and a water outlet, a water inlet connected to a tap water supply source, and a water outlet connected to the water inlet of the tank. A heater that operates in response to a flow of water passing through the heater, a water inlet that communicates with a tap water supply source, and a first water outlet that communicates with a water inlet of the heater A switching valve having a second water outlet that communicates with the water inlet of the tank, and a controller that receives a signal indicating the water temperature in the tank and transmits a control signal to the switching valve, When the switching valve is activated, water is led to the first outlet corresponding to a temperature signal indicating that the water temperature in the tank is substantially the same as or lower than a preset value. And the water temperature in the tank is As in response to the temperature signal indicating that the constant has been said value is substantially the same or higher temperature to the second water outlet water is guided, wherein the controller controls the switching valve.

  Preferably, the preset first temperature value is about 55 ° C. Preferably, the preset second temperature value is about 75 ° C.

In one form, a first temperature sensor disposed at or near the top of the tank;
A second temperature sensor disposed at or near the lower part of the tank, and when the switching valve is activated, the second temperature sensor exhibits a temperature substantially equal to or lower than a preset value. Corresponding to the second water outlet, and the first temperature sensor indicates a temperature substantially equal to or higher than the preset value. The controller controls the switching valve so that water is led to the water outlet.

  Preferably, the controller transmits a control signal to the heater to change the amount of energy given to the water in the heater to change the water temperature flowing out from the heater.

  In a sixth aspect, in the operation method of the water heater system provided by the present invention, tap water is supplied to the water inlet of the instantaneous heater or the water inlet of the water storage tank, and the water inlet of the tank is supplied from the water outlet of the heater. Water is led to the water outlet operated by the user from the water outlet of the tank, the water temperature in the tank is measured, and the water temperature in the tank is substantially the same as a preset value or Corresponding to indicating that the temperature is lower than that, tap water is led to the water inlet of the heater, and the water temperature in the tank is approximately equal to or higher than the preset value. In response to this, tap water is led to the water inlet of the tank.

  In a seventh aspect, a water heater system provided by the present invention includes a water storage tank having a water inlet and a water outlet, a water inlet connected to a tap water supply source, and a water outlet connected to the water inlet of the tank. A heater that operates in response to the flow rate of water flowing through the heater, a water inlet that communicates with the water outlet of the tank, and a water outlet that communicates with the water inlet of the heater; A first pump comprising: and operating the pump to heat the water in the tank based on a user's instruction to guide the water from the water outlet of the heater to the water inlet of the tank; And a controller for guiding the second water outlet of the tank to the water inlet of the heater.

  Preferably, when the controller changes the speed of the pump, the residence time of water passing through the heater changes, and the water temperature at the outlet of the heater changes.

  Preferably, an additional water outlet of the tank is disposed at or near the upper part of the tank, and a second water inlet of the tank is disposed at or near the lower part of the tank.

  In a modification of this embodiment, an additional water outlet of the tank is disposed at or near the upper portion of the tank, and a water inlet of the tank is disposed at or near the middle of the tank.

  In an eighth aspect, in the operation method of the water heater system provided by the present invention, the pump is operated to guide water to the water inlet of the instantaneous heater, and the heater is operated in accordance with the flow of water passing through the heater. In order to heat the water in the tank, the hot water is led from the water outlet of the heater to the water inlet of the water storage tank, and the water is led from the water outlet of the tank to the water inlet of the heater. Based on the instructions, the water in the tank circulates through the heater.

  Preferably, the speed of the pump is changed to change the water temperature at the water outlet of the heater by changing the residence time of water through the heater.

  In a ninth aspect, a water heater system provided by the present invention includes a water storage tank having first and second water inlets, first, second, and third water outlets, and a first outlet of the tank. An instantaneous heater having a water inlet communicating with the water outlet, and a water outlet, a heater that operates in response to the flow of water passing through the heater, a water inlet communicating with the water outlet of the heater, A first pump having a water outlet communicating with the first water inlet of the tank; a second pump having a water inlet communicating with a tap water supply source; and a water outlet of the second pump. Selectively operating at least one solar panel having a water inlet communicating with the water inlet and a water inlet communicating with the second water inlet of the tank; and the first pump and / or the second pump, Between the heater and the tank and / or the solar panel And a, and a controller for circulating water between each of the between the tank and.

  It is preferable that a first water outlet of the tank is disposed at or near the top of the tank. It is preferable that a second water outlet of the tank is disposed at or near the lower part of the tank. It is preferable that a third water outlet of the tank is disposed at or near the top of the tank. It is preferable that the first water inlet of the tank is disposed at or near the middle of the tank. It is preferable that the 2nd water inlet of the said tank is arrange | positioned in the intermediate part of the said tank, or its vicinity.

  In a tenth aspect, in the operation method of the water heater system provided by the present invention, the first pump is operated to guide water to the inlet of the instantaneous heater, and the water pump passes through the heater according to the flow of water. When the heater is activated, warm water is led from the water outlet of the heater to the water inlet of the storage tank, water is led from the water outlet of the tank to the water inlet of the heater, and water is supplied to the water inlet of at least one solar panel. The second pump is operated to guide the hot water from the water outlet of the solar panel to the water inlet of the tank, and the water is guided from the water outlet of the tank to the water inlet of the solar panel. In order to heat the water in the tank, the water in the tank can be circulated through the heater and / or the solar panel.

  In an eleventh aspect, a water heater system provided by the present invention includes a water storage tank having first and second water inlets, first and second water outlets, a water inlet, and a first of the tanks. An instantaneous heater having a water outlet communicating with a water inlet, the heater operating in response to the flow of water passing through the heater, and communicating with a first water outlet of the tank and a source of tap water A switching valve having a pump having a water inlet, a water outlet, a water inlet communicating with the water outlet of the pump, a first water outlet communicating with the water inlet of the heater, and a second water outlet. And at least one solar panel having a water inlet communicating with the second water inlet of the switching valve and a water outlet communicating with the second water inlet of the tank, and a second pump selectively To activate and circulate water between the heater and the tank. A controller that controls the switching valve to guide water to the first outlet or to guide water to the second outlet to circulate water between the solar panel and the tank. ing.

  Preferably, the switching valve has a third water outlet that communicates with the outside.

  It is preferable that a first water outlet of the tank is disposed at or near the top of the tank. It is preferable that a second water outlet of the tank is disposed at or near the lower part of the tank. It is preferable that a first water inlet of the tank is disposed at or near the upper part of the tank. It is preferable that the 2nd water inlet of the said tank is arrange | positioned in the intermediate part of the said tank, or its vicinity.

  In a twelfth aspect, in the operation method of the water heater system provided by the present invention, the pump is operated, water is led from the water outlet of the pump to the water inlet of the instantaneous heater, and the flow of water passing through the heater is supported. Then, the heater is operated, the hot water is led from the water outlet of the heater to the water inlet of the storage tank, and / or the water is led from the water outlet of the pump to the water inlet of at least one solar panel. The water in the tank can be circulated through the heater and / or the solar panel to guide the hot water from the water outlet to the water inlet of the tank and heat the water in the tank as necessary. Yes.

  The system according to the second to twelfth aspects preferably includes at least one temperature sensor that communicates with the controller. In one form, a first temperature sensor located in the vicinity of the upper part of the tank and a second temperature sensor located in the vicinity of the lower part of the tank are provided. In another embodiment, a third temperature sensor is provided in the vicinity of the middle portion of the tank.

  Preferably, the controller determines a temperature gradient in the height direction of the tank using at least two, more preferably all, of the first, second, and third temperature sensors.

It is the schematic of the water heater system of 1st Embodiment. (A) is the schematic of the 1st version in 2nd Embodiment of a water heater system. (B) is the schematic of the 2nd version in 2nd Embodiment of a water heater system. It is the schematic of 3rd Embodiment of a water heater system. It is the schematic of 4th Embodiment of a water heater system. It is the schematic of 5th Embodiment of a water heater system. It is the schematic of 6th Embodiment of a water heater system. It is the schematic of 7th Embodiment of a water heater system.

  The preferred embodiments of the present invention by way of example only will be described with reference to the accompanying figures.

  FIG. 1 shows a first embodiment of a water heater system 10. The water heater system 10 comprises a gas instantaneous heater 12, preferably of 4, 5 or 6 stars. The burner in the heater 12 automatically operates by detecting the flow of water passing through the heater 12. The water heater system 10 also includes a (buffer) water tank 14, preferably having a capacity of 4-50L. The tank 14 is accommodated in the heat insulating member 16. The heater 12 has a water inlet 18 and a water outlet 20. The tank 14 has a water inlet 22 and a water outlet 24. The water inlet 18 of the heater 12 is connected to a tap water supply pipe 26. The water outlet 20 of the heater 12 is connected to the water inlet 22 of the tank 14 through a pipe 28. The water outlet 24 of the tank 14 is connected via a pipe 30 to a water outlet device operated by a user such as a hot water faucet (not shown).

  Initially, when the faucet is operated by the user, water flows from the main supply line 26 to the heater 12 where it is heated by the gas burner. The warmed water flows into the tank 14 through the pipe 28 and is supplied to the user through the pipe 30 when the tank 14 is full. Therefore, when the user tries to receive the supply of hot water, water can be taken from the hot water stored in the tank 14.

  The advantage of this is that the water in tank 14 remains sufficiently warm so that the user does not have to wait for the cold water to be warmed or supplied. Therefore, the system 10 supplies hot water to the user more quickly than the existing system described above, or the water that would otherwise be wasted while the user was waiting for the hot water to reach the faucet. Reduce the amount of.

  The system 10 also prevents wasting gas used while the user is waiting. This effect could be optimized by placing one tank (or multiple tanks) near the outlet (or outlet) operated by the user. When the tank 14 does not require the heat insulating member 16, the heat insulating member 16 improves the retention of energy supplied to the hot water in the tank 14. It should also be noted that the flow rate of water flowing out of the tank 14 is limited by the allowable amount of the heater 12 through which water passes under the pressure of the main piping.

  FIG. 2a shows a first version 40a in a second embodiment of the water heater system. The water heater system 40a is similar to the water heater system 10 of FIG. 1, and the same components are indicated by the same reference numerals. However, the water heater system 40a also includes a controller 42. The controller 42 receives a signal indicating the water temperature in the tank 14 (4 to 50 L) from a sensor 44 disposed near an intermediate portion of the tank 14. The controller 42 is also connected to the heater 12 and can control whether or not to operate the heater 12 in conjunction with the flow of water. When the heater 12 does not automatically operate in conjunction with the flow of water, the heater 12 is simplified and can be made inexpensive.

  When the sensor 44 indicates a water temperature of about 55 ° C. or less to the controller 42, the controller 42 activates the heater 12. When the sensor 44 indicates to the controller 42 a water temperature of about 55 ° C. to about 75 ° C., the controller 42 does not activate the heater 12 or deactivates the heater 12 if possible.

  FIG. 2b shows a second version 40b suitable for a tank having a capacity of 50 to 400 L in the second embodiment of the water heater system. The water heater system 40b is similar to the water heater system 40a of FIG. 2a, and similar components are indicated by the same reference numerals. However, in the water heater system 40b, the controller 42 receives a signal indicating the water temperature from the first and second sensors 44a and 44b disposed near the upper part and the lower part of the tank 14, respectively.

  When the second / lower sensor 44b indicates to the controller 42 a water temperature of about 55 ° C. or less, the controller 42 activates the heater 12. When the first / upper sensor 44a indicates a water temperature of about 75 ° C. or higher to the controller 42, the controller 42 does not activate the heater 12, or deactivates the heater 12 if possible. When the second / lower sensor 44b indicates a water temperature of about 55 ° C. or higher to the controller 42 and the first / upper sensor 44a indicates a water temperature of about 75 ° C. or lower to the controller 42, the controller No. 42 does not operate the heater 12, or reduces the heater 12 if possible. The two sensors 44a and 44b improve the sensitivity and accuracy of control of the water heater system 40b.

  The systems 40a, 40b reduce water waste in a similar manner as described with respect to the kettle system 10. The systems 40a, 40b also reduce the waste of gas that would otherwise be wasted as previously described, since no gas is supplied to the heater 12 during the previously described conditions.

  FIG. 3 shows a third embodiment of the water heater system 50. The water heater system 50 is similar to the water heater systems 40a and 40b shown in FIGS. 2a and 2b, and the same components are denoted by the same reference numerals. However, in the water heater system 50, the controller 42 is also connected to the pump 52. The tank 14 also has an additional water outlet 54 connected to the water inlet 56 of the pump 52 via a pipe 58. The water outlet 60 of the pump 52 is connected to the tap water supply pipe 26 via a pipe 62.

  When the second / lower sensor 44b indicates to the controller 42 a water temperature of about 55 ° C. or less, the controller 42 activates the heater 12. When the first / upper sensor 44a indicates a water temperature of about 75 ° C. or higher to the controller 42, the controller 42 does not operate the heater 12, or reduces the heater 12 if possible. When the second / lower sensor 44b indicates a water temperature of about 55 ° C. or higher to the controller 42 and the first / upper sensor 44a indicates a water temperature of about 75 ° C. or lower to the controller 42, the controller No. 42 does not operate the heater 12, or reduces the heater 12 if possible.

  Further, the controller 42 can circulate water between the tank 14 and the heater 12 in order to operate the heater 12 and the pump 52 in accordance with a user instruction and to preheat the inside of the tank 14. . This is particularly preferred when the tank 14 has a relatively large capacity, such as 50-400L.

  In this embodiment, the controller 42 selects either convenience or heat loss when the water in the tank 14 is cold and operates effectively accordingly. This embodiment can also preheat the full capacity of the tank 14 on demand (eg, to keep the water temperature in the tank 14 constant), and a sufficient flow rate (eg, to fill a bathtub). Can be supplied at. This is advantageous in many situations because of the high enough flow rate compared to the instantaneous water heater.

  The flow rate of the pump 52 depends on the preferred outlet temperature of the heater 12. The preferred heater outlet temperature depends on the design of the heater 12 and the temperature of the incoming water. For example, if the outlet temperature is 70 ° C. and 10 ° C. main supply water flows in, the flow rate of the pump is set to be relatively slow. Thereby, the residence time of water increases and the heat exchange rate in the heater 12 can be increased. However, if the temperature of the incoming main feed water is 30 ° C., the flow rate of the pump 52 will increase and heat exchange in the heater 12 will be suppressed. The outside temperature also affects the flow rate of the pump, but the degree is small.

  The controller 42 can also change the flow rate of the pump 52 to vary or control the residence time, i.e., temperature, of water passing through the heater 12. Furthermore, controlling the flow rate of the pump 52 can affect the temperature drop and mixing (stratification) of the water in the tank 14. For example, in the case of a high flow rate such as 12 L / min, hot water enters the tank 14 and is mixed with the water in the tank 14. However, in the case of a low flow rate, for example, 5 L / min, the hot water is not substantially mixed with the water in the tank 14 and forms a layer or a layer in the tank 14. Preferably, of these layers, the warmest water in the tank 14 is located closest to the outlet 24, the user.

  Controlling the water temperature by simply controlling the flow rate of the pump, for example, does not require the expensive electrical control needed to adjust the heating of the water by changing the gas flow rate, the intensity of combustion, or the magnitude of combustion. Therefore, the cost of the water heater system 50 can be reduced. Instead, the heater 12 can be operated at a (highly efficient) constant heating level and only needs to be switched on or off.

  FIG. 4 shows a fourth embodiment of the water heater system 70. The water heater system 70 is similar to the water heater systems 40a and 40b shown in FIGS. 2a and 2b, except that the controller 42 is connected to the switching valve 72. The switching valve 72 includes an inlet 72 a connected to the tap water supply pipe 26, a first outlet 72 b connected to the inlet 18 of the heater 12 via the pipe 74, and an inlet of the tank 14 via the pipe 76. A second water outlet 72c connected to the pipe 28 leading to the water outlet 22 is provided. The controller 42 can control the switching valve 72 to guide water from the main supply pipe 26 and guide water from the water inlet 72a to either the first water outlet 72b or the second water outlet 72c. In the present embodiment, the heater 12 automatically operates by detecting the flow of water flowing therethrough.

  When the second / lower sensor 44b indicates a water temperature of about 55 ° C. or lower to the controller 42, the controller 42 controls the switching valve 72 to supply water from the main supply pipe 26 to the first outlet 72b. To the water inlet 18 of the heater 12. In such a state, for example, when the user opens a faucet of hot water, the flow of water flowing therethrough is detected, and the heater 12 automatically operates.

  When the second / lower sensor 44b indicates a water temperature of about 55 ° C. or higher to the controller 42 and the first / upper sensor 44a indicates a water temperature of about 75 ° C. or lower to the controller 42, the controller 42 controls the switching valve 72 to guide the water from the main supply pipe 26 to the second outlet 72 c and directly to the inlet 22 of the tank 14.

  Even when the heater 42 is provided, when the controller 42 determines that the water in the tank 14 is sufficiently warmed, the controller 42 controls the switching valve 72 to supply the water from the main supply pipe 26 to the second. To the water inlet 72c of the tank 14 and directly to the water inlet 22 of the tank 14. As a result, since the water does not pass through the heater 12, the heater 12 does not operate and the amount of gas used can be reduced.

  The amount of water used can be reduced in the same manner as described in the water heater systems 40a and 40b.

  In addition to the gas and water savings described above, the water heater system 70 is also very simple and inexpensive, without the need for a controller, simply detecting the flow of water flowing there and automatically operating and operating at maximum capacity. There is an advantage that the heater 12 can be used.

  FIG. 5 shows a fifth embodiment of a water heater system 80. The water heater system 80 has common points with the water heater system of the above-described embodiment, and the same configuration is indicated by the same reference numeral. The water heater system 80 includes a water heater circuit using gas (instantaneous) indicated by reference numeral 82, and a solar water heater circuit indicated by reference numeral 84.

  The gas water heater circuit 82 has a water inlet 86 connected to the water outlet 20 of the heater 12 via a pipe 88 and a water outlet 90 connected to a water inlet 92 provided at a substantially intermediate portion of the tank 14. A pump 84 is provided. The tank 14 includes a water outlet 94 connected to the water inlet 18 of the heater 12 via a pipe 96.

  The solar circuit 84 includes a solar panel 98 and a pump 100. A water outlet 102 of the pump 100 is connected to a water inlet 104 of the solar panel 98 through a pipe 106. The solar panel 98 also has a water outlet 108 connected to the water inlet 110 of the tank 14 via a pipe 112. The pump 100 also has a water inlet 114 connected to the water outlet 116 via a pipe 118. The tap water supply pipe 26 communicates with the pipe 118 in a T shape. The water heater system 80 also includes a third temperature sensor 44 c located near the intermediate portion of the tank 14 and a fourth temperature sensor 44 d located at the water outlet of the solar panel 98. Both sensors 44 c and 44 d are connected to the controller 42.

  When the controller 42 activates the first pump 84, water circulates between the top of the tank 14 and the heater 12 for preheating. When the controller 42 activates the second pump 100, water circulates between the bottom of the tank 14 and the solar panel 98 for preheating, preferably when solar energy is available.

  In general, the controller 42 determines when to activate one or both of the pump 84 and the pump 100 in order to appropriately respond to various expected requirements. The controller 42 controls so that water is always heated using sunlight rather than gas.

  Specifically, when the temperature of the sensor 44d becomes about 4 ° C. or more higher than the temperature of the sensor 44c, the controller 42 activates the second pump 100 (of the circuit 84 using sunlight). The controller 42 maintains the operation of the second pump 100 until the temperature difference between the sensor 44d and the sensor 44c is less than about 4 ° C. or until the sensor 44a exhibits a temperature of 80 ° C. or higher. . If hot water is not utilized, heat is redistributed to the upper half of the tank 14 so that a temperature of 80 ° C. is acceptable at the bottom of the tank 14.

  When the third / intermediate sensor 44c indicates to the controller 42 a water temperature of about 55 ° C. or less, the controller 42 activates the pump 84 (of the gas circuit 82). When the first / upper sensor 44a indicates a water temperature of about 75 ° C. or higher to the controller 42, the controller 42 does not activate the pump 84. When the third / intermediate sensor 44c indicates a water temperature of approximately 55 ° C. or higher to the controller 42, and the first / upper sensor 44a indicates a water temperature of approximately 75 ° C. or less to the controller 42, The controller 42 does not activate the pump 84 or deactivates it if possible.

  When the first sensor 44a indicates a water temperature of about 80 ° C. or higher, both the first pump 84 and the second pump 100 are reduced to prevent overheating.

  In addition, the controller 42 operates the heater 12 and the pump 84 according to the user's instruction, and circulates water between the tank 14 and the heater 12 in order to preheat or stabilize the water in the tank 14. Can be made. This is particularly preferred when the tank 14 has a relatively large capacity, such as 50-400L.

  FIG. 6 shows a sixth embodiment of the water heater system 120. The water heater system 120 is similar to the water heater system 80 of FIG. 5, and similar components are indicated by the same reference numerals. However, the water heater system 120 includes one pump 122 and one switching valve 124. The switching valve 124 has a water inlet 126, a first water outlet 128, and a second water outlet 130.

  When the controller 42 determines that the water should be circulated through the gas circulation circuit 82, the pump 122 is activated to guide the water from the water inlet 126 to the first water outlet 128 and through the pipe 132 to the heater 12. The switching valve 124 is controlled so as to lead to the water inlet 18. The hot water flows out from the water outlet 20 of the heater 12 and is supplied to the water inlet 134 of the tank 14 via the pipe 136. Water flowing out from the water outlet 138 of the tank 14 flows into the water inlet 142 of the pump 122 through the pipe 140. The pump 122 also has a water outlet 144 connected to the water inlet 126 of the switching valve 124 via a pipe 146.

  When the controller 42 determines that the water should be circulated through the solar circuit 84, the switching valve 124 is operated so that the pump 122 is activated and the water is led from the water inlet 126 to the second water outlet 130. Be controlled. The second water outlet 130 is connected to the water inlet 104 of the solar panel 98 via the pipe 148. The water outlet 108 of the solar panel 98 is connected to the water inlet 150 of the tank 14 via a pipe 152.

  The controller 42 controls so that water is always heated using sunlight rather than gas. Specifically, when the temperature of the sensor 44d becomes about 4 ° C. or more higher than the temperature of the sensor 44c, the controller 42 switches so that water passes through the circuit 84 using sunlight. Controller 42 flows the water through circuit 84 until the temperature difference between sensor 44d and sensor 44b is less than about 4 ° C. or until sensor 44a exhibits a temperature of 85 ° C. or higher. Hold. If hot water is not used, heat is redistributed to the upper half of the tank 14 so that a temperature of 85 ° C. is acceptable at the bottom of the tank 14.

  When the third / intermediate sensor 44c indicates a water temperature of about 55 ° C. or lower to the controller 42, the controller 42 switches so that water flows through the gas circuit. When the first / upper sensor 44a indicates a water temperature of about 75 ° C. or higher to the controller 42, the controller 42 deactivates the pump 122. When the third / intermediate sensor 44c indicates a water temperature of about 55 ° C. or higher to the controller 42, and the first / upper sensor 44a indicates a water temperature of about 75 ° C. or lower to the controller 42, The controller 42 switches so that water flows through the circuit 84 using sunlight.

  In addition, the controller 42 operates the heater 12 and the pump 122 in accordance with a user's instruction to supply water between the tank 14 and the heater 12 in order to preheat or stabilize the stored water in the tank 14. It can be circulated. This is particularly preferred when the tank 14 has a relatively large capacity, such as 50-400L.

  The tank 14 is preferably sterilized from time to time for regulation (eg, for control of Legionella). According to one authority, this can be achieved using the gas circuit 82 until the upper and middle sensors 44a, 44c show a temperature of 60 ° C. or higher. Also, according to another rights holder, this is achieved using the gas circuit 82 until the upper and lower sensors 44a, 44b (in other words, the entire tank 14) show a temperature of 60 ° C. or higher. can do.

  FIG. 7 shows a seventh embodiment of the water heater system 160. The water heater system 160 is similar to the water heater system 120 of FIG. 6, and similar components are indicated by the same reference numerals. However, in this system 160, the switching valve 124 is also connected to a pipe 164 that can be drained to the outside, or has a third outlet 162 for collection and reuse. When the controller 42 determines that the outside air is cold enough to freeze the water in the solar panel 98 and damage the solar panel 98, the switching valve 124 supplies water from the water inlet 126 to the third water outlet 162. Controlled to guide. Thereby, the water in the solar panel 98 is emptied through the pipe 164. The drainage can also prevent the solar panel 98 from overheating. The treatment of these waste waters is described in a PCT application (No. PCT / AU2008 / 001476) filed on October 3, 2008 by the present applicant. The related content there is incorporated into this content by cross reference.

  Although the invention has been described with specific examples, it will be appreciated by those of ordinary skill in the art that the invention can be embodied in many other forms. For example, a gas instant water heater can be replaced by an electric instant water heater, which saves electrical energy instead of gas.

Claims (52)

  1. A water heater system,
    A water storage tank having a water inlet and a water outlet;
    An instantaneous heater having a water inlet communicating with a tap water supply source and a water outlet communicating with the water inlet of the tank;
    With
    A water heater system in which the heater operates in response to the flow of water through the heater.
  2. In the water heater system according to claim 1,
    A water heater system in which the tank is insulated.
  3. In the water heater system according to claim 1 or 2,
    A water heater system in which a water outlet of the tank communicates with a valve operated by a user.
  4. A method for operating a water heater system,
    Tap water is supplied to the inlet of the instantaneous heater,
    The heater operates in response to water supplied to the heater,
    Hot water is led from the water outlet of the heater to the water inlet of the water storage tank,
    A water heater system in which hot water is led from a water outlet of the tank to a water outlet operated by a user.
  5. A water heater system,
    A water storage tank having a water inlet and a water outlet;
    An instantaneous heater having a water inlet communicating with a tap water supply source and a water outlet communicating with the water inlet of the tank;
    A controller that receives a signal indicating the water temperature in the tank and transmits a control signal to the heater;
    With
    A water heater system in which the controller operates the heater in response to the temperature signal indicating that the water temperature in the tank is substantially equal to or lower than a preset first value.
  6. In the water heater system according to claim 5,
    A water heater system in which the controller does not operate or reduces the heater in response to the temperature signal indicating that the water temperature in the tank is substantially equal to or higher than a second value set in advance.
  7. In the water heater system according to claim 5,
    Corresponding to the temperature signal indicating that the water temperature in the tank is substantially equal to or higher than a preset first value and substantially equal to or lower than a preset second value. A water heater system in which the controller does not operate or reduces the heater.
  8. The water heater system according to claim 5, 6 or 7,
    A water heater system in which the controller transmits a control signal to the heater to change the amount of energy applied to the water in the heater to change the temperature of water flowing out of the heater.
  9. In the water heater system according to any one of claims 5 to 8,
    A water heater system in which the first preset value is about 55 ° C.
  10. In the water heater system according to any one of claims 5 to 9,
    A water heater system in which the preset second value is about 75 ° C.
  11. In the water heater system according to any one of claims 5 to 10,
    A water heater system comprising a first temperature sensor arranged at or near the middle of the tank.
  12. In the water heater system according to any one of claims 5 to 10,
    A first temperature sensor disposed at or near the top of the tank;
    A second temperature sensor disposed at or near the bottom of the tank;
    With
    A water heater system in which the controller operates the heater in response to the second temperature sensor indicating a temperature substantially equal to or lower than a preset first value.
  13. The water heater system according to claim 11 or 12,
    A water heater system in which the controller does not operate the heater or reduces the operation in response to the first temperature sensor indicating a temperature substantially equal to or higher than a preset second value.
  14. In the water heater system according to claim 12,
    The second temperature sensor indicates a temperature substantially equal to or higher than a preset first value, and the first temperature sensor is substantially equal to or higher than a preset second value. A water heater system in which the controller does not operate or deactivates the heater in response to indicating the following temperatures.
  15. In the water heater system according to any one of claims 5 to 14,
    A water heater system in which the controller transmits a control signal to the heater to change the amount of energy applied to the water in the heater to change the temperature of water flowing out of the heater.
  16. A method for operating a water heater system,
    Tap water is supplied to the inlet of the instantaneous heater,
    Water is led from the water outlet of the heater to the water inlet of the water storage tank,
    Water is led from the water outlet of the tank to the water outlet operated by the user,
    The water temperature in the tank is measured,
    The second temperature sensor does not operate or reduce the heater in response to a temperature signal indicating that the water temperature in the tank is substantially equal to or lower than a preset first value. How to operate.
  17. The method of claim 16, wherein
    A method in which the heater is not operated or reduced in response to a temperature signal indicating that the water temperature in the tank is substantially equal to or higher than a preset second value.
  18. The method of claim 16, wherein
    The water temperature in the tank indicates that the temperature is substantially the same as or higher than the preset first value, and the temperature is substantially the same as or lower than the preset second value. A method of not operating or reducing the heater in response to a temperature signal.
  19. A method according to claim 16, 17 or 18,
    A method wherein the preset first temperature value is about 55 ° C.
  20. 20. A method according to any one of claims 16-19,
    A method wherein the preset second temperature value is about 75 ° C.
  21. 21. A method according to any one of claims 16-20,
    A method of changing the amount of energy given to water by the heater in order to change the temperature of water flowing out of the heater.
  22. A water heater system,
    A water storage tank having a water inlet and a water outlet;
    A momentary heater having a water inlet communicating with a tap water supply source and a water outlet communicating with a water inlet of the tank, the heater operating in response to the flow of water passing through the heater;
    A switching valve having a water inlet communicating with a tap water supply source, a first water outlet communicating with the water inlet of the heater, and a second water outlet communicating with the water inlet of the tank;
    A controller that receives a signal indicating the water temperature in the tank and transmits a control signal to the switching valve;
    With
    When the switching valve is activated, water is led to the first outlet corresponding to a temperature signal indicating that the water temperature in the tank is substantially the same as or lower than a preset value. And the controller so that water is led to the second outlet corresponding to a temperature signal indicating that the water temperature in the tank is substantially equal to or higher than the preset value. Is a water heater system for controlling the switching valve.
  23. The water heater system according to claim 22,
    A water heater system having a preset first temperature value of about 55 ° C.
  24. The water heater system according to claim 22 or 23,
    A water heater system having a preset second temperature value of about 75 ° C.
  25. 25. A water heater system according to claim 22, 23 or 24,
    A first temperature sensor disposed at or near the top of the tank;
    A second temperature sensor disposed at or near the bottom of the tank;
    With
    When the switching valve is actuated, water is led to the first water outlet in response to the second temperature sensor indicating a temperature substantially equal to or lower than a preset value, and the first A water heater system in which the controller controls the switching valve so that water is led to the second water outlet in response to the temperature sensor 1 indicating a temperature substantially equal to or higher than the preset value. .
  26. The water heater system according to claim 25,
    A water heater system in which the controller transmits a control signal to the heater to change the amount of energy applied to the water in the heater to change the temperature of water flowing out of the heater.
  27. A method for operating a water heater system,
    Tap water is supplied to the inlet of the instantaneous heater or the inlet of the water storage tank,
    Water is led from the water outlet of the heater to the water inlet of the tank,
    Water is led from the water outlet of the tank to the water outlet operated by the user,
    The water temperature in the tank is measured,
    Corresponding to the fact that the water temperature in the tank is substantially the same as or lower than a preset value, tap water is led to the water inlet of the heater, and the water temperature in the tank is preset. The tap water is led to the water inlet of the tank in response to indicating that it is substantially the same as or greater than the given value.
  28. A water heater system,
    A water storage tank having a water inlet and a water outlet;
    An instantaneous heater having a water inlet communicating with a tap water supply source and a water outlet communicating with a water inlet of the tank, the heater operating in accordance with a flow rate of water flowing through the heater; ,
    A first pump having a water inlet communicating with the water outlet of the tank and a water outlet communicating with the water inlet of the heater;
    Based on a user's instruction, to heat the water in the tank, the pump is operated to guide the water from the water outlet of the heater to the water inlet of the tank, and the second of the tank A controller that leads from the water outlet to the water inlet of the heater;
    Water heater system equipped with.
  29. The water heater system according to claim 28,
    The water heating system in which the residence time of water passing through the heater changes as the controller changes the speed of the pump, and the water temperature at the outlet of the heater changes.
  30. The water heater system according to claim 28 or 29,
    A water heater system in which an additional water outlet of the tank is arranged at or near the upper part of the tank, and a second water inlet of the tank is arranged at or near the lower part of the tank.
  31. The water heater system according to claim 28 or 29,
    A water heater system in which an additional water outlet of the tank is disposed at or near the upper portion of the tank, and a water inlet of the tank is disposed at or near the middle of the tank.
  32. A method for operating a water heater system,
    Operate the pump to direct water to the inlet of the instantaneous heater,
    Actuating the heater according to the flow of water through the heater,
    Hot water is led from the water outlet of the heater to the water inlet of the water storage tank,
    Water is led from the water outlet of the tank to the water inlet of the heater,
    An operation method in which water in the tank circulates through the heater based on a user instruction to heat the water in the tank.
  33. The method of claim 32, wherein
    A method of changing the speed of the pump in order to change the water temperature at the water outlet of the heater by changing the residence time of water passing through the heater.
  34. A water heater system,
    A water storage tank having first and second water inlets, and first, second and third water outlets;
    An instantaneous heater having a water inlet communicating with the first water outlet of the tank and a water outlet, the heater operating in response to the flow of water passing through the heater;
    A first pump having a water inlet communicating with the water outlet of the heater and a water outlet communicating with the first water inlet of the tank;
    A second pump having a water inlet and a water outlet communicating with a tap water supplier;
    At least one solar panel having a water inlet communicating with the water outlet of the second pump and a water inlet communicating with the second water inlet of the tank;
    A controller that selectively operates the first pump and / or the second pump to circulate water between the heater and the tank and / or between the solar panel and the tank, respectively. ,
    Water heater system equipped with.
  35. The water heater system according to claim 34,
    A water heater system in which a first water outlet of the tank is disposed at or near the top of the tank.
  36. The water heater system according to claim 34 or 35,
    A water heater system in which a second water outlet of the tank is disposed at or near the bottom of the tank.
  37. A water heater system according to claim 34, 35 or 36,
    A water heater system in which a third water outlet of the tank is disposed at or near the top of the tank.
  38. The water heater system according to any one of claims 34 to 37,
    A water heater system in which a first water inlet of the tank is disposed at or near an intermediate portion of the tank.
  39. The water heater system according to any one of claims 34 to 38,
    A water heater system in which a second water inlet of the tank is disposed at or near the middle of the tank.
  40. A method for operating a water heater system,
    Activate the first pump to direct water to the inlet of the instantaneous heater,
    Actuating the heater according to the flow of water through the heater,
    Hot water is led from the water outlet of the heater to the water inlet of the water storage tank,
    Water is led from the water outlet of the tank to the water inlet of the heater,
    Activate a second pump to direct water to the inlet of at least one solar panel;
    Hot water is led from the water outlet of the solar panel to the water inlet of the tank,
    Water is led from the water outlet of the tank to the water inlet of the solar panel,
    An operation method capable of circulating water in the tank through the heater and / or the solar panel to heat the water in the tank as necessary.
  41. A water heater system,
    A water storage tank having first and second water inlets and first and second water outlets;
    A momentary heater having a water inlet and a water outlet communicating with the first water inlet of the tank, the heater operating in response to the flow of water passing through the heater;
    A pump having a water inlet that communicates with a first water outlet of the tank and a supplier of tap water, and a water outlet;
    A switching valve having a water inlet communicating with the water outlet of the pump, a first water outlet communicating with the water inlet of the heater, and a second water outlet;
    At least one solar panel having a water inlet communicating with the second water inlet of the switching valve and a water outlet communicating with the second water inlet of the tank;
    Selectively actuate a second pump to direct water to a first outlet to circulate water between the heater and the tank or to pass water between the solar panel and the tank; A controller that controls the switching valve to direct water to the second outlet for circulation;
    Water heater system equipped with.
  42. In the water heater system according to claim 41,
    The water heater system in which the switching valve has a third water outlet that communicates with the outside.
  43. In the water heater system according to claim 41 or 42,
    A water heater system in which a first water outlet of the tank is disposed at or near the top of the tank.
  44. In the water heater system according to claim 41, 42 or 43,
    A water heater system in which a second water outlet of the tank is disposed at or near the bottom of the tank.
  45. In the water heater system as described in any one of Claims 41-44,
    A water heater system in which a first water inlet of the tank is disposed at or near the top of the tank.
  46. In the water heater system according to any one of claims 41 to 45,
    A water heater system in which a second water inlet of the tank is disposed at or near the middle of the tank.
  47. A method for operating a water heater system,
    Activate the pump,
    Water is introduced from the outlet of the pump to the inlet of the instantaneous heater, the heater is operated in response to the flow of water passing through the heater, and hot water is guided from the outlet of the heater to the inlet of the storage tank. And / or guiding water from the pump outlet to at least one solar panel inlet, leading hot water from the solar panel outlet to the tank inlet,
    An operation method in which the water in the tank can be circulated through the heater and / or the solar panel to heat the water in the tank as necessary.
  48. In the water heater system according to claim 5, 22, 28, 34, or 41,
    A water heater system comprising at least one temperature sensor in signal communication with the controller.
  49. The water heater system according to claim 48,
    A water heater system comprising: a first temperature sensor located near the upper part of the tank; and a second temperature sensor located near the lower part of the tank.
  50. The water heater system according to claim 49,
    A water heater system comprising a third temperature sensor located in the vicinity of the middle portion of the tank.
  51. The water heater system according to claim 49 or 50,
    A water heater system in which the controller determines a temperature gradient in the height direction of the tank using at least two of the first, second, and third temperature sensors.
  52. The water heater system according to claim 49 or 50,
    A water heater system in which the controller determines a temperature gradient in the height direction of the tank using all of the first, second, and third temperature sensors.
JP2011538795A 2008-12-09 2009-11-03 Water heater system and operating method thereof Pending JP2012511131A (en)

Priority Applications (3)

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AU2008906352A AU2008906352A0 (en) 2008-12-09 A water heating system and a method of operating same
AU2008906352 2008-12-09
PCT/AU2009/001432 WO2010065986A1 (en) 2008-12-09 2009-11-03 A water heating system and a method of operating same

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JP (1) JP2012511131A (en)
CN (2) CN103604208B (en)
AU (1) AU2009326843A1 (en)
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Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102084190B (en) * 2009-04-21 2014-04-02 松下电器产业株式会社 Hot water storage-type hot water supply device, hot water supply and heating device, operation control device, operation control method, and program
KR20120111906A (en) * 2011-04-01 2012-10-11 웅진코웨이주식회사 Apparatus for supplying warm water and method for supplying warm water
WO2013131129A1 (en) * 2012-03-06 2013-09-12 Dux Manufacturing Limited A water heating system
US8977117B2 (en) 2012-04-09 2015-03-10 David Kreutzman Renewable energy hot water heating elements
US8909033B2 (en) 2012-04-09 2014-12-09 David Kreutzman Control systems for renewable hot water heating systems
US9002185B2 (en) 2012-04-09 2015-04-07 David Kreutzman PV water heating system
GB2507303B (en) 2012-10-25 2015-03-11 James Murphy Solar energy system
US9885484B2 (en) 2013-01-23 2018-02-06 Honeywell International Inc. Multi-tank water heater systems
US20140202549A1 (en) 2013-01-23 2014-07-24 Honeywell International Inc. Multi-tank water heater systems
US9453658B2 (en) 2013-03-14 2016-09-27 David Kreutzman Micro-grid PV system
CN105658125B (en) * 2013-11-01 2019-05-03 皇家飞利浦有限公司 Liquid heating apparatus
WO2016001980A1 (en) * 2014-06-30 2016-01-07 三菱電機株式会社 Heating and hot water supply system
PL225948B1 (en) * 2014-11-13 2017-06-30 Zbigniew Tadeusz Czarko Method for operation of the sanitary hot water installation and the installation of sanitary hot water
JP6555873B2 (en) * 2014-11-14 2019-08-07 三菱電機株式会社 Hot water system
CN104596113B (en) * 2015-01-14 2018-08-14 广东万家乐燃气具有限公司 A kind of constant temp gas water heater
US9799201B2 (en) 2015-03-05 2017-10-24 Honeywell International Inc. Water heater leak detection system
JP6459143B2 (en) * 2015-03-20 2019-01-30 Toto株式会社 Instant water heater
US9920930B2 (en) 2015-04-17 2018-03-20 Honeywell International Inc. Thermopile assembly with heat sink
CN105043134B (en) * 2015-06-11 2017-06-16 安徽东至广信农化有限公司 A kind of hot water recovery system
US10132510B2 (en) 2015-12-09 2018-11-20 Honeywell International Inc. System and approach for water heater comfort and efficiency improvement
DE102016001112A1 (en) * 2016-02-02 2017-08-03 KAMAX GmbH Method and device for controlling the supply of heat energy to the buffer of a heating system
US10119726B2 (en) 2016-10-06 2018-11-06 Honeywell International Inc. Water heater status monitoring system
US10323859B2 (en) * 2016-10-27 2019-06-18 King Fahd University Of Petroleum And Minerals Water mixing system for thermoregulating water

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5050143U (en) * 1973-08-31 1975-05-16
JPS5222147A (en) * 1975-08-12 1977-02-19 Osaka Gas Co Ltd Instantaneous storage hotwater supply system
JPS5862061U (en) * 1981-10-20 1983-04-26
JPS58131371U (en) * 1982-03-01 1983-09-05
JPS60165767U (en) * 1984-04-10 1985-11-02
JPH0264846U (en) * 1988-11-05 1990-05-16
JPH02146434A (en) * 1988-11-28 1990-06-05 Hitachi Heating Appliance Co Ltd Hot water feeding method
JP2003240343A (en) * 2002-02-12 2003-08-27 Denso Corp Heat exchanger and hot water supply system
JP2004263912A (en) * 2003-02-28 2004-09-24 Noritz Corp Hot water storage type hot water supply device and its hot water supply resuming time control method
JP2007187028A (en) * 2006-01-11 2007-07-26 Aisin Seiki Co Ltd Cogeneration system
AU2007203198A1 (en) * 2006-07-19 2008-02-07 Rheem Australia Pty Limited Improvements in Water Heating Systems

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191329A (en) * 1978-04-17 1980-03-04 Solartech Systems Corporation Single-pipe hot water solar system
US5524666A (en) * 1995-08-02 1996-06-11 Mark Stephen Linn Water conservation system
US6633726B2 (en) * 1999-07-27 2003-10-14 Kenneth A. Bradenbaugh Method of controlling the temperature of water in a water heater
CN2769771Y (en) * 2005-02-25 2006-04-05 台湾得意温控科技股份有限公司 Solar hot water supply device
SE530407C2 (en) * 2005-07-06 2008-05-27 Thermia Vaerme Ab Control device
CN2911537Y (en) * 2006-06-02 2007-06-13 张勇 Splitting solar water heater

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5050143U (en) * 1973-08-31 1975-05-16
JPS5222147A (en) * 1975-08-12 1977-02-19 Osaka Gas Co Ltd Instantaneous storage hotwater supply system
JPS5862061U (en) * 1981-10-20 1983-04-26
JPS58131371U (en) * 1982-03-01 1983-09-05
JPS60165767U (en) * 1984-04-10 1985-11-02
JPH0264846U (en) * 1988-11-05 1990-05-16
JPH02146434A (en) * 1988-11-28 1990-06-05 Hitachi Heating Appliance Co Ltd Hot water feeding method
JP2003240343A (en) * 2002-02-12 2003-08-27 Denso Corp Heat exchanger and hot water supply system
JP2004263912A (en) * 2003-02-28 2004-09-24 Noritz Corp Hot water storage type hot water supply device and its hot water supply resuming time control method
JP2007187028A (en) * 2006-01-11 2007-07-26 Aisin Seiki Co Ltd Cogeneration system
AU2007203198A1 (en) * 2006-07-19 2008-02-07 Rheem Australia Pty Limited Improvements in Water Heating Systems

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CN103604208B (en) 2016-03-30
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US20110305444A1 (en) 2011-12-15
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NZ586586A (en) 2012-09-28
CN101946130A (en) 2011-01-12

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