CN112797635A - Water heater and control method thereof - Google Patents
Water heater and control method thereof Download PDFInfo
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- CN112797635A CN112797635A CN202011547107.XA CN202011547107A CN112797635A CN 112797635 A CN112797635 A CN 112797635A CN 202011547107 A CN202011547107 A CN 202011547107A CN 112797635 A CN112797635 A CN 112797635A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 407
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims abstract description 35
- 230000001276 controlling effect Effects 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 68
- 238000005338 heat storage Methods 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims 1
- 241000894006 Bacteria Species 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/14—Arrangements for connecting different sections, e.g. in water heaters
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- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention belongs to the technical field of water heaters, and discloses a water heater and a control method of the water heater. According to the invention, the water storage tank and the instant heater can reduce the highest required power of the instant heater through a mixed mode in an environment with lower water source temperature under the coordination control of the regulating and controlling assembly.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a water heater and a control method of the water heater.
Background
The water heater is divided into two types of an instant water heater and a heat storage water heater, wherein the instant water heater heats flowing water flow when in use, scale is not easy to form, and the water heater has the characteristic of stable water outlet temperature.
Disclosure of Invention
The invention aims to provide a water heater and a control method thereof, which can be used in a heating mode and a heat storage mode under the condition of low water source temperature, so that the requirement of running power is reduced.
In order to achieve the purpose, the invention adopts the following technical scheme:
a water heater, comprising:
a water storage tank;
the instantaneous heater is arranged on the outer side of the water storage tank, two ends of the instantaneous heater are respectively communicated with the water storage tank, and the instantaneous heater can circularly heat water in the water storage tank;
the water heater can be adjusted to work in an instant heating mode, a heat storage mode or a mixed mode by the adjusting and controlling component, in the instant heating mode, the instant heating heater heats the water source to output, in the heat storage mode, the stored water in the water storage tank is output, in the mixed mode, the water source and the stored water led out by the water storage tank are mixed to form mixed water, and the instant heating heater heats the mixed water to output.
Preferably, the method further comprises the following steps:
one end of the water inlet pipe is respectively communicated with the heating inlet of the instant heater and the water storage tank, and the other end of the water inlet pipe is a source water port;
one end of the water outlet pipe is communicated with the heating outlet of the instant heater and the water storage tank respectively, and the other end of the water outlet pipe is an output port.
Preferably, the water storage tank is provided with a water inlet, a water outlet and a circulating port;
the water inlet pipe comprises a main water inlet pipe, a first branch pipe and a second branch pipe, one end of the main water inlet pipe is the source water gap, the other end of the main water inlet pipe is communicated with the water outlet, one ends of the first branch pipe and the second branch pipe are respectively communicated with the main water inlet pipe, the other end of the first branch pipe is communicated with the water inlet, and the other end of the second branch pipe is communicated with the heating inlet;
the outlet pipe includes a main outlet pipe and a third branch pipe, one end of the main outlet pipe is the outlet port, the other end of the main outlet pipe is communicated with the heating outlet port, one end of the third branch pipe is communicated with the main outlet pipe, and the other end of the third branch pipe is communicated with the circulation port.
Preferably, the regulatory component comprises:
the first branch pipe is close to the source water gap relative to the second branch pipe, and the first regulating valve is arranged on the water inlet main pipe and positioned between the first branch pipe and the second branch pipe;
the second regulating valve is arranged on the third branch pipe;
the third regulating valve is arranged on the first branch pipe;
and the water pump is arranged on the water inlet main pipe and is far away from the source water gap relative to the second branch pipe.
Preferably, the method further comprises;
the first branch pipe is close to the source water gap relative to the second branch pipe, and the first temperature sensor is arranged on the water inlet main pipe and close to the source water gap relative to the first branch pipe;
the second temperature sensor is arranged on the main water inlet pipe and is far away from the source water gap relative to the second branch pipe;
the third temperature sensor is arranged on the third branch pipe;
and the fourth temperature sensor is arranged on the main water outlet pipe and is close to the output port relative to the third branch pipe.
Preferably, the method further comprises the following steps:
the first branch pipe is close to the source water gap relative to the second branch pipe, and the first flow sensor is arranged on the water inlet main pipe and positioned between the first branch pipe and the second branch pipe;
and the second flow sensor is arranged on the main water inlet pipe and is far away from the source water gap relative to the second branch pipe.
Preferably, the instant heater is a cast aluminum heater.
A control method of a water heater uses the water heater and comprises the following steps:
when the temperature of the water source is higher than a first limit temperature, the water heater works in an instant heating mode when being started;
when the temperature of the water source is not higher than the second limit temperature, the water heater works in a mixed mode when being started;
the first defined temperature is not lower than the second defined temperature.
Preferably, the first defined temperature is higher than the second defined temperature, and the water heater is activated to operate in the heat storage mode or the hybrid mode when the water source temperature is not higher than the first defined temperature and is higher than the second defined temperature.
Preferably, when the temperature of the water source is not higher than the first limit temperature and is higher than the second limit temperature, the water heater works in the heat storage mode when being started;
when the water temperature in the water storage tank is lower than the conversion temperature, the water heater is switched from the heat storage mode to the mixed mode to work.
The invention has the beneficial effects that:
under the coordination control of the regulating and controlling component, the water storage tank and the instant heating heater can mix the water stored by the water source and the water stored by the water storage tank firstly through a mixed mode in the environment with lower water source temperature, and then the water is heated by the instant heating heater and then output, thereby effectively reducing the highest required power of the instant heating heater, in addition, the instant heating heater is arranged at the outer side of the water storage tank, the water stored in the water storage tank is circularly heated, the generation of incrustation in the water storage tank is avoided, the water heater is safer and more reliable, on the basis, a user can actively open or close the water storage mode according to the change of the water source temperature in different seasons, when the water storage mode is closed, the water in the water storage tank can not be actively heated, realize energy-conserving use, in summer, after closing the water storage mode, the water in the water storage tank can be because of ambient air temperature is high, absorbs external heat and promotes self temperature, during the use, when the water storage tank temperature is higher than the water source temperature, the hot water of output after the water in the water storage tank is heated in the instant heating ware initiative use water to realized energy-conservation, and can prevent that the water in the water storage tank from placing too for a specified time, stopped the bacterium and produced.
Drawings
FIG. 1 is a first schematic diagram of a partial structure of a water heater according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram II of a partial structure of a water heater according to the first embodiment of the present invention;
fig. 3 is a flowchart of a control method of a water heater according to a second embodiment of the present invention.
In the figure:
1. a water storage tank;
2. an instantaneous heater;
3. a first regulating valve; 4. a second regulating valve; 5. a third regulating valve; 6. a water pump;
7. a first temperature sensor; 8. a second temperature sensor; 9. a third temperature sensor; 10. a fourth temperature sensor;
11. a first flow sensor; 12. a second flow sensor;
100. a water inlet pipe; 101. a main water inlet pipe; 102. a first branch pipe; 103. a second branch pipe;
200. a water outlet pipe; 201. a main water outlet pipe; 202. a third branch pipe.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar parts throughout or parts having the same or similar functions. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection via an intermediary, a connection between two elements, or an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, unless otherwise expressly specified or limited, the first feature "on" or "under" the second feature may include the first feature and the second feature being in direct contact, or may include the first feature and the second feature being in contact not directly but with another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
As shown in fig. 1-2, this embodiment provides a water heater, including storage water tank 1, instant heating heater 2 and regulation and control subassembly, wherein, instant heating heater 2 sets up in the outside of storage water tank 1, both ends are linked together with storage water tank 1 respectively, can be to the hydrologic cycle heating in storage water tank 1, regulation and control subassembly can adjust the water heater and work under instant heating mode, heat-retaining mode or mixed mode, instant heating heater 2 adds the hot water source and carries out the output, under heat-retaining mode, the deposit water of storage water tank 1 is exported, under mixed mode, the water source forms the mixed water with the deposit water mixture that storage water tank 1 derived, instant heating heater 2 heats the mixed water and exports.
In the invention, under the coordination control of the regulating and controlling component, the water storage tank 1 and the instant heating heater 2 can mix the water source with the stored water led out from the water storage tank 1 through a mixing mode in the environment with lower water source temperature, and then the stored water is heated by the instant heating heater 2 and then output, thereby effectively reducing the highest required power of the instant heating heater 2, moreover, the instant heating heater 2 is arranged, thereby reducing the volume of the water storage tank 1, effectively reducing the occupied space of the water heater, and the whole body is more energy-saving under the condition of more stable output temperature, in addition, the instant heating heater 2 is arranged at the outer side of the water storage tank 1, and the stored water in the water storage tank 1 is circularly heated, thereby avoiding the generation of scale in the water storage tank 1, and leading the water heater to be safer and more reliable, on the basis, a user can actively open or close a water storage mode, when closing the water storage mode, make 1 interior water of storage water tank can not the active heating, realize energy-conserving use, in summer, close the water storage mode after, the water in the storage water tank 1 can be high because of ambient air temperature, absorb external heat and promote self temperature, during the use, when storage water tank 1 temperature is higher than the water source temperature, the water that instant heating ware 2 used in the storage water tank 1 voluntarily heats the back and exports hot water, thereby energy-conservation has been realized, and can prevent that 1 well water of storage water tank from placing too of a specified duration, the bacterium has been stopped and has produced.
Specifically, the water heater further includes an inlet pipe 100 and an outlet pipe 200. Wherein, one end of the water inlet pipe 100 is respectively communicated with the heating inlet of the instant heating heater 2 and the water storage tank 1, the other end is a source water gap for inputting water sources such as tap water, one end of the water outlet pipe 200 is respectively communicated with the heating outlet of the instant heating heater 2 and the water storage tank 1, and the other end is an output port for outputting hot water. The water inlet pipe 100 and the water outlet pipe 200 are matched with each other, so that the water source input and the hot water output are more centralized and reliable. Besides the above arrangement, the water source can be respectively communicated with the heating inlet of the instant heater 2 and the water storage tank 1 through a plurality of pipelines, i.e. the heating outlet of the instant heater 2 and the water storage tank 1 respectively output hot water through independent pipelines.
More specifically, the water storage tank 1 is provided with a water inlet, a water outlet and a circulation port. The water inlet pipe 100 comprises a water inlet main pipe 101, a first branch pipe 102 and a second branch pipe 103, one end of the water inlet main pipe 101 is a source water gap, the other end of the water inlet main pipe is communicated with a water outlet, one ends of the first branch pipe 102 and the second branch pipe 103 are respectively communicated with the water inlet main pipe 101, the other end of the first branch pipe 102 is communicated with a water inlet, and the other end of the second branch pipe 103 is communicated with a heating inlet. The water outlet pipe 200 comprises a main water outlet pipe 201 and a third branch pipe 202, wherein one end of the main water outlet pipe 201 is an outlet, the other end of the main water outlet pipe is communicated with a heating outlet, one end of the third branch pipe 202 is communicated with the main water outlet pipe 201, and the other end of the third branch pipe is communicated with a circulation port. The setting of the concrete structure of above-mentioned inlet tube 100 and outlet pipe 200 for the heating entry of instant heating ware 2 loops through second branch pipe 103 and the person in charge 101 of intaking communicates in the delivery port, instant heating ware 2's heating export loops through the person in charge 201 of going out water and third branch pipe 202 and communicates in the circulation mouth, instant heating ware 2 and storage water tank 1's circulation intercommunication has been realized, make during operation under the heat-retaining mode, the water in storage water tank 1 flows through earlier instant heating ware 2 and then flows out from the person in charge 201 of going out water, thereby can carry out the secondary heating to the water in the storage water tank 1, make leaving water temperature more stable.
Specifically, the regulating assembly includes a first regulating valve 3, a second regulating valve 4, a third regulating valve 5 and a water pump 6. The first branch pipe 102 is close to the source water gap relative to the second branch pipe 103, the first regulating valve 3 is arranged on the water inlet main pipe 101 and located between the first branch pipe 102 and the second branch pipe 103, the second regulating valve 4 is arranged on the third branch pipe 202, the third regulating valve 5 is arranged on the first branch pipe 102, and the water pump 6 is arranged on the water inlet main pipe 101 and is far away from the source water gap relative to the second branch pipe 103. First governing valve 3, second governing valve 4, third governing valve 5 and water pump 6 respectively with the main control panel control connection of water heater, the operating condition of first governing valve 3, second governing valve 4, third governing valve 5 and water pump 6 can be controlled to the main control panel, adjusts the water heater and works under instant heating mode, heat-retaining mode or mixed mode, three governing valve and water pump 6 cooperate, and regulation control is simple, low cost.
In this embodiment, first governing valve 3, second governing valve 4 and third governing valve 5 are the proportional valve, can be continuous, the flow in the proportional control pipeline to can nimble control under the mixed mode, the mixing proportion of the water of mixing aquatic water source and the water storage that storage water tank 1 derived.
Optionally, the water heater further comprises a first temperature sensor 7, a second temperature sensor 8, a third temperature sensor 9 and a fourth temperature sensor 10. Wherein, first temperature sensor 7 sets up on the main pipe 101 of intaking, be close to the source mouth of a river for first branch pipe 102 for detect the temperature of water source, second temperature sensor 8 sets up on the main pipe 101 of intaking, keep away from the source mouth of a river for second branch pipe 103 for detect the leaving water temperature of storage water tank 1, third temperature sensor 9 sets up on third branch pipe 202 for detect the return water temperature of storage water tank 1 when the circulation heating, fourth temperature sensor 10 sets up on the main pipe 201 of leaving water, be close to the delivery outlet for third branch pipe 202, be used for detecting output temperature. The four temperature sensors can assist the opening control of the three regulating valves, so that the outlet water temperature is more stable when the water heater outputs water. In the embodiment, the first temperature sensor 7, the second temperature sensor 8, the third temperature sensor 9 and the fourth temperature sensor 10 are respectively in control connection with a main control panel of the water heater.
Specifically, the water heater further includes a first flow sensor 11 and a second flow sensor 12. The first flow sensor 11 is disposed on the main water inlet pipe 101 and located between the first branch pipe 102 and the second branch pipe 103, and the second flow sensor 12 is disposed on the main water inlet pipe 101 and far away from the source nozzle relative to the second branch pipe 103. The setting of above-mentioned two flow sensor can assist the aperture control of three governing valve for the water heater is under mixed mode, and the water source is more accurate reliable with the mixed proportion of the water storage that storage water 1 derived of storage water tank, thereby the play water temperature when making the output is more stable. In the embodiment, the first flow sensor 11 and the second flow sensor 12 are respectively connected with the control of the main control panel of the water heater.
More specifically, the power of the heating heater 2 can be adjusted, so that the outlet water temperature is more stable, and in the embodiment, the heating heater is a cast aluminum heater, which is efficient, reliable, long in service life, strong in mechanical property and corrosion-resistant.
The following is a detailed description of the operating conditions of the water heater:
in the instant heating mode, the first regulating valve 3 is opened, the second regulating valve 4 and the third regulating valve 5 are closed, an external water source enters from the source water opening, enters the instant heating heater 2 along the water inlet main pipe 101 and the second branch pipe 103 for heating, and then flows out from the output port along the water outlet main pipe 201.
Before the water storage mode or the mixed mode is started, water in the water storage tank 1 is heated, when the water in the water storage tank 1 is heated, the second regulating valve 4 is opened, the third regulating valve 5 is closed, the water pump 6 is started, the water stored in the water storage tank 1 enters the instant heating heater 2 through the main water inlet pipe 101 and the second branch pipe 103 to be heated and then flows back to the water storage tank 1 along the third branch pipe 202, and the water in the water storage tank 1 is circularly heated under the driving of the water pump 6.
In the water storage mode, the first regulating valve 3 and the second regulating valve 4 are closed, the third regulating valve 5 is opened, an external water source enters from the source water port, enters the water storage tank 1 along the water inlet main pipe 101 and the first branch pipe 102, and water stored in the water storage tank 1 enters the instant heater 2 through the water inlet main pipe 101 and the second branch pipe 103 and then flows out from the output port through the water outlet main pipe 201.
In the mixed mode, the first regulating valve 3 and the third regulating valve 5 are opened to set the opening degree as required, the second regulating valve 4 is closed, an external water source enters from a source water opening, one part of the external water source enters the water storage tank 1 along the water inlet main pipe 101 and the first branch pipe 102, so that stored water in the water storage tank 1 flows out from the water outlet along the water inlet main pipe 101 and enters the instant heating heater 2 through the second branch pipe 103, the other part of the external water source enters the instant heating heater 2 along the water inlet main pipe 101 and the second branch pipe 103, the instant heating heater 2 heats mixed water flowing in the two parts, and finally the mixed water flows out from the water outlet main pipe 201.
Example two
The embodiment provides a control method of a water heater, which uses the water heater, and comprises the following steps: the water heater is operated in an instant mode when the water source temperature is above a first defined temperature and in a mixed mode when the water source temperature is not above a second defined temperature, wherein the first defined temperature is not below the second defined temperature.
Under the control of the control method of the water heater, when the water heater is used in the environment with higher temperature in summer and the like, hot water does not need to be stored, so that the energy consumption can be effectively reduced, when the water heater is used in the environment with lower temperature in winter and the like, a water source is mixed with the stored water led out from the water storage tank 1 through a mixed mode, the stored water is heated by the instant heating heater 2 and then is output, and the highest required power of the instant heating heater 2 is effectively reduced.
Specifically, the water storage mode can be actively opened or closed, when the water source temperature is higher than a first limit temperature, the water storage mode is closed, so that water in the water storage tank 1 cannot be actively heated, energy-saving use is realized, when the water source temperature is not higher than the first limit temperature, the water storage mode is opened, the water pump 6 drives water in the water storage tank 1 to circularly flow through the instant heating heater 2 to be heated until the water in the water storage tank 1 reaches a set temperature.
More specifically, when the water source temperature is higher than first limited temperature, for example in summer, after closing the water storage mode, water in the water tank can be high because of ambient air temperature, absorb external heat and promote self temperature, when the water heater is starting, judge in advance whether the temperature of depositing water in the water storage tank 1 is higher than the temperature of water source, if be higher than the temperature of water source, then control first governing valve 3 and second governing valve 4 and close, third governing valve 5 opens, hot-water heater 2 uses the deposit water in the water storage tank 1 to heat then outputs, thereby energy-conservation has been realized, and can prevent that water in the water storage tank 1 from placing for a long time, the bacterium has been stopped and has produced.
As shown in fig. 3, in this embodiment, the first limit temperature is equal to the second limit temperature, and when the water heater is in operation, only switching is performed between the instant heating mode and the mixing mode, so that the adjustment and control are simple and convenient.
EXAMPLE III
The embodiment provides a control method of a water heater, which is different from the second embodiment in that: the first defined temperature is higher than the second defined temperature.
In the mixed mode, the water storage tank 1 participates in work, and when the temperature of a water source is not higher than a first limit temperature and is higher than a second limit temperature, a user can select one mode between a heat storage mode and a mixed mode, so that the use efficiency of hot water in the water storage tank 1 is improved, and the condition that the water in the water storage tank 1 cannot be updated after being stored for a long time is avoided.
Specifically, when the temperature of the water source is not higher than a first limit temperature and is higher than a second limit temperature, the water heater firstly works in a heat storage mode when being started; when the temperature of the water in the water storage tank 1 is lower than a switching temperature, the water heater is switched from the heat storage mode to the mixing mode to work, wherein the switching temperature is a set value between a first limit temperature and a second limit temperature. When the water source temperature is not higher than the first limit temperature and is higher than the second limit temperature, the water heater can be firstly used in the heat storage mode, namely the heat heater 2 does not participate in the work, the use efficiency of hot water in the water storage tank 1 is improved, water in the water storage tank 1 can be updated, when the water temperature in the water storage tank 1 is lower than the conversion temperature, the heat heater 2 participates in the work, the water heater enters a mixed mode, and the conditions that the required power of the heat heater 2 is too high and the water temperature in the water storage tank 1 is too low to influence the use experience of a user are avoided.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A water heater, comprising:
a water storage tank (1);
the instantaneous heater (2) is arranged on the outer side of the water storage tank (1), two ends of the instantaneous heater are respectively communicated with the water storage tank (1), and the instantaneous heater can circularly heat water in the water storage tank (1);
the water heater comprises a regulating and controlling component, wherein the regulating and controlling component can regulate the water heater to work in an instant heating mode, a heat storage mode or a mixed mode, in the instant heating mode, the instant heating heater (2) heats a water source to output, in the heat storage mode, stored water in the water storage tank (1) is output, in the mixed mode, the water source and the stored water led out by the water storage tank (1) are mixed to form mixed water, and the instant heating heater (2) heats the mixed water to output.
2. The water heater of claim 1, further comprising:
one end of the water inlet pipe (100) is respectively communicated with the heating inlet of the instant heater (2) and the water storage tank (1), and the other end of the water inlet pipe is a source water gap;
one end of the water outlet pipe (200) is communicated with the heating outlet of the instant heating heater (2) and the water storage tank (1) respectively, and the other end of the water outlet pipe is an output port.
3. The water heater according to claim 2, characterized in that the water storage tank (1) is provided with a water inlet, a water outlet and a circulation port;
the water inlet pipe (100) comprises a main water inlet pipe (101), a first branch pipe (102) and a second branch pipe (103), one end of the main water inlet pipe (101) is the source water gap, the other end of the main water inlet pipe is communicated with the water outlet, one ends of the first branch pipe (102) and the second branch pipe (103) are respectively communicated with the main water inlet pipe (101), the other end of the first branch pipe (102) is communicated with the water inlet, and the other end of the second branch pipe (103) is communicated with the heating inlet;
the outlet pipe (200) comprises a main outlet pipe (201) and a third branch pipe (202), one end of the main outlet pipe (201) is the outlet, the other end of the main outlet pipe is communicated with the heating outlet, one end of the third branch pipe (202) is communicated with the main outlet pipe (201), and the other end of the third branch pipe is communicated with the circulating port.
4. The water heater of claim 3, wherein the regulation assembly comprises:
a first regulating valve (3), wherein the first branch pipe (102) is close to the source water gap relative to the second branch pipe (103), and the first regulating valve (3) is arranged on the main water inlet pipe (101) and is positioned between the first branch pipe (102) and the second branch pipe (103);
a second regulating valve (4) arranged on the third branch pipe (202);
a third regulating valve (5) arranged on the first branch pipe (102);
and a water pump (6) which is arranged on the main water inlet pipe (101) and is far away from the source water port relative to the second branch pipe (103).
5. The water heater of claim 3, further comprising;
a first temperature sensor (7), wherein the first branch pipe (102) is close to the source water gap relative to the second branch pipe (103), and the first temperature sensor (7) is arranged on the main water inlet pipe (101) and is close to the source water gap relative to the first branch pipe (102);
a second temperature sensor (8) arranged on the main water inlet pipe (101) and far away from the source water gap relative to the second branch pipe (103);
a third temperature sensor (9) provided on the third branch pipe (202);
and the fourth temperature sensor (10) is arranged on the main water outlet pipe (201) and is close to the output port relative to the third branch pipe (202).
6. The water heater of claim 3, further comprising:
a first flow sensor (11), wherein the first branch pipe (102) is close to the source water gap relative to the second branch pipe (103), and the first flow sensor (11) is arranged on the main water inlet pipe (101) and is positioned between the first branch pipe (102) and the second branch pipe (103);
and a second flow sensor (12) which is provided on the main water inlet pipe (101) and is far from the source water gap relative to the second branch pipe (103).
7. The water heater according to any one of claims 1 to 6, characterized in that the instant heater (2) is a cast aluminium heater.
8. A control method of a water heater, characterized in that, using the water heater of any one of claims 1-7, comprising:
when the temperature of the water source is higher than a first limit temperature, the water heater works in an instant heating mode when being started;
when the temperature of the water source is not higher than the second limit temperature, the water heater works in a mixed mode when being started;
the first defined temperature is not lower than the second defined temperature.
9. The method of claim 8, wherein the first defined temperature is higher than the second defined temperature, and when the water source temperature is not higher than the first defined temperature and higher than the second defined temperature, the water heater is activated to operate in the heat storage mode or the hybrid mode.
10. The control method of the water heater as claimed in claim 9, wherein when the water source temperature is not higher than the first limit temperature and higher than the second limit temperature, the water heater is firstly operated in the heat storage mode when being started;
when the temperature of water in the water storage tank (1) is lower than the conversion temperature, the water heater is switched from the heat storage mode to the mixed mode to work.
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Application publication date: 20210514 |