CN113587447A - Water heater capable of continuously providing hot water and control method thereof - Google Patents
Water heater capable of continuously providing hot water and control method thereof Download PDFInfo
- Publication number
- CN113587447A CN113587447A CN202110903995.2A CN202110903995A CN113587447A CN 113587447 A CN113587447 A CN 113587447A CN 202110903995 A CN202110903995 A CN 202110903995A CN 113587447 A CN113587447 A CN 113587447A
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- water
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- heating device
- control module
- hot water
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 311
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims abstract description 41
- 238000001514 detection method Methods 0.000 claims description 29
- 238000005485 electric heating Methods 0.000 claims description 28
- 239000008400 supply water Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013480 data collection Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005406 washing Methods 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
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- 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 discloses a water heater capable of continuously providing hot water and a control method thereof. The water heater provided by the invention has the advantages that the control module controls the start or stop of the first heating device to keep the temperature of the water stored in the water tank, when the water consumption is too large and the water storage capacity of the water tank cannot meet the use requirement, the control module controls the second heating device to start to heat the water flowing through the second heating device, so that hot water is continuously provided, and the opening of the electronic water mixing valve is automatically controlled through the control module to keep the temperature of the water flowing out of the water heater constant.
Description
Technical Field
The invention relates to the field of water heaters, in particular to a water heater capable of continuously providing hot water and a control method thereof.
Background
The water heater is a device for heating cold water, and is widely applied to household places such as kitchens, bathrooms and the like, and occasions such as hand washing plates in public places and the like which need hot water supply. Because the capacity of water heater is limited, and heating efficiency is lower, at present through water heater supply hot water, in the aspect of family, when many people need to bathe, often need queue and wait just can take a bath in turn after the water heating in the water heater, and in some public places, when the peak period that the mass flow is big, also lead to hot water supply inadequately easily, and present water heater all is the outflow hot water, needs artifical manual regulation outlet valve with hot water and cold water mixture in order to adjust the temperature, degree of automation is not enough. The existing water heater has low automation degree, needs manual water temperature adjustment, and has the problem of insufficient hot water supply when a large amount of hot water is needed in a short time.
Disclosure of Invention
The invention provides a water heater capable of continuously providing hot water and a control method thereof, which are used for solving the technical problems that the hot water is not sufficiently supplied and manual water mixing is needed to cause bad experience to users in the water consumption peak period of the existing water heater.
In order to solve the above technical problem, in a first aspect, the present invention provides a water heater capable of continuously providing hot water, including: the water mixing valve comprises a water tank, a first heating device, a second heating device, an electronic water mixing valve and a control module, wherein a water inlet of the water tank is connected with an external water source through a pipeline, a heat exchange element of the first heating device is arranged in the water tank, a water inlet of the second heating device is connected with the water tank through a pipeline, a first water inlet of the electronic water mixing valve is connected with a water outlet of the second heating device through a pipeline, a second water inlet of the electronic water mixing valve is connected with the external water source through a pipeline, the electronic water mixing valve is connected with a water outlet switch through a pipeline, and the control module is electrically connected with the first heating device, the second heating device and the electronic water mixing valve.
Furthermore, a first water temperature detection sensor electrically connected with the control module is arranged at the water inlet of the water tank or the second water inlet of the electronic water mixing valve.
Furthermore, a second water temperature detection sensor electrically connected with the control module is arranged in the water tank.
Furthermore, a temperature sensor used for detecting the ambient temperature is arranged on the shell of the water heater, and the temperature sensor is electrically connected with the control module.
Furthermore, a third water temperature detection sensor is arranged at a water outlet of the second heating device and electrically connected with the control module.
Furthermore, a fourth water temperature detection sensor is arranged at a water inlet of the water outlet switch, and the fourth water temperature detection sensor is electrically connected with the control module.
Further, the first heating device is specifically a heat pump, a heat exchange coil of the heat pump is arranged in the water tank, and a controller of the heat pump is electrically connected with the control module.
Further, the second heating device is specifically an electric heating device, and a controller of the electric heating device is electrically connected with the control module.
In a second aspect, the present invention also provides a method for controlling a sustainable hot water supply water heater, which is applied to the sustainable hot water supply water heater of the first aspect, the method for controlling the sustainable hot water supply water heater including the steps of:
acquiring the ambient temperature, the water inlet temperature, the water tank temperature, the water outlet temperature of the electric heating device and the real-time water outlet temperature through a sensor;
manually setting an expected outlet water temperature, and automatically generating the temperature of the heat pump shutdown water tank according to the expected outlet water temperature and the environment temperature;
controlling the starting or stopping of the water pump and the starting and stopping of the electric heating device according to the temperature of the water tank;
the opening degree of the electronic water mixing valve is adjusted in real time according to the water outlet temperature, the water inlet temperature and the real-time water outlet temperature of the electric heating device, so that the water outlet switch keeps constant-temperature hot water flowing out.
The invention has the following beneficial effects: the invention provides a water heater capable of continuously providing hot water and a control method thereof, the water heater controls the start or stop of a first heating device through a control module to keep the temperature of the water stored in a water tank, when the water consumption is too large and the water storage amount of the water tank cannot meet the use requirement, the control module controls a second heating device to start to heat the water flowing through the second heating device, so that the hot water is continuously provided, and the opening of an electronic water mixing valve is automatically controlled through the control module to keep the temperature of the water flowing out of the water heater constant.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of a water heater for continuously supplying hot water according to the present invention;
1. a water tank; 2. a heat pump; 21. a heat exchange coil; 3. an electric heating device; 4. an electronic water mixing valve; 5. a water outlet switch; 6. a first water temperature detection sensor; 7. a second water temperature detection sensor; 8. a third water temperature detection sensor; 9. and a fourth water temperature detection sensor.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
Embodiment 1, a water heater capable of continuously providing hot water.
As shown in fig. 1, the present invention provides a water heater capable of continuously providing hot water, comprising: the water tank 1, first heating device, the second heating device, electronic water mixing valve 4 and control module, the water inlet of water tank 1 passes through the outside water source of pipe connection, 1 inside water tank is arranged in to first heating device's heat exchange element, the water inlet of second heating device passes through pipe connection water tank 1, the first water inlet of electronic water mixing valve 4 passes through the delivery port of pipe connection second heating device, the second water inlet of electronic water mixing valve 4 passes through the outside water source of pipe connection, electronic water mixing valve 4 passes through pipe connection water outlet switch 5, first heating device is connected to the control module electricity, second heating device and electronic water mixing valve 4.
The first heating device is specifically a heat pump 2, a heat exchange coil 21 of the heat pump 2 is arranged in the water tank 1, a controller of the heat pump 2 is electrically connected with the control module, the heat pump 2 of the embodiment takes a refrigerant as the refrigerant, and the control module controls the start or stop of the heat pump 2.
The second heating device is specifically an electric heating device 3, a controller of the electric heating device 3 is electrically connected with a control module, the electric heating device 3 of the embodiment heats through a high-power heating pipe, water flowing out of the water tank 1 flows into the water mixing valve after passing through the electric heating device 3, when the electric heating device 3 is not started, the water normally flows through, at the moment, the electric heating device 3 is equivalent to a common pipeline, after the electric heating device 3 is started, the water flowing through the electric heating device 3 can be heated, and the starting and stopping of the electric heating device 3 are determined by the control module.
In this embodiment, the water inlet of the water tank 1 or the second water inlet of the electronic water mixing valve 4 is provided with a first water temperature detection sensor 6 electrically connected with the control module, and the water temperature of the inlet water, i.e., the temperature of the cold water, is detected by the first water temperature detection sensor 6 in real time, and the water temperature information of the water tank 1 is sent to the control module.
Be equipped with the second temperature detection sensor 7 of being connected with control module electricity in the water tank 1, detect 1 temperature in the water tank in real time through second temperature detection sensor 7 to with 1 temperature information routing in water tank to control module.
Be equipped with the temperature sensor who is used for detecting ambient temperature on the casing of water heater, temperature sensor electricity connection control module detects ambient temperature in real time through temperature sensor to send ambient temperature information to control module.
The water outlet of the electric heating device 3 is provided with a third water temperature detection sensor 8, the third water temperature detection sensor 8 is electrically connected with the control module, the temperature information of the water outlet of the electric heating device 3 is detected in real time through the third water temperature detection sensor 8, and the temperature information of the water outlet of the electric heating device 3 is sent to the control module.
A fourth water temperature detection sensor 9 is arranged at a water inlet of the water outlet switch 5, the fourth water temperature detection sensor 9 is electrically connected with the control module, the water outlet temperature is detected in real time through the fourth water temperature detection sensor 9, and the water outlet temperature information is sent to the control module.
The control module of this embodiment includes a control chip, and any control chip having an I/O interface and a logic operation function can be used in this embodiment, for example, chips such as an MCU, a CPU, an FPGA, and a DSP, and this embodiment will be described by taking the MCU as the control chip as an example.
The working principle of the embodiment is as follows: the MCU acquires the water inlet temperature, the water tank 1 temperature, the temperature of a water outlet of the electric heating device 3, the water outlet temperature and the ambient temperature through the first water temperature detection sensor 6, the second water temperature detection sensor 7, the third water temperature detection sensor 8, the fourth water temperature detection sensor 9 and the temperature sensors, a water heater manager sets the preset water outlet temperature according to the actual situation, the MCU automatically generates the preheating temperature of the water tank 1 according to the ambient water temperature and the preset water outlet temperature, and when the water temperature of the water tank 1 is lower than the preheating temperature of the water tank 1, the MCU controls the heat pump 2 to start the heating water tank 1; when the water temperature of the water tank 1 reaches the preheating temperature of the water tank 1, the MCU controls the heat pump 2 to stop. Through opening of control heat pump 2 and opening, during the water consumption under the normal condition, 1 temperature of water tank can keep always, when the water consumption increase, because the water storage capacity of water tank 1 is limited, 1 temperature of water tank can be less than predetermined play water temperature this moment, MCU control electric heater unit 3 starts, and the water that flows out from water tank 1 passes through 3 secondary heating of electric heater unit to guarantee the hot water supply of water peak period. The MCU automatically adjusts the opening of the electronic water mixing valve 4 according to the temperature of the water outlet of the electric heating device 3 and the temperature of inlet water, adjusts the opening in real time according to the obtained outlet water temperature, and keeps the outlet switch 5 to discharge water at constant temperature.
The water heater of this embodiment can continuously provide hot water at the water peak period to through sensor data collection, MCU handles the data of gathering, mixes water valve 4 automatic real-time regulation play water temperature through the electron, continuously provides constant temperature hot water for the user, brings good use for the user and experiences.
The embodiment provides a method for controlling a water heater capable of continuously providing hot water, which is applied to the water heater capable of continuously providing hot water in embodiment 1, and specifically includes the following steps:
acquiring the ambient temperature, the water inlet temperature, the temperature of the water tank 1, the water outlet temperature of the electric heating device 3 and the real-time water outlet temperature through sensors;
setting an expected outlet water temperature manually, and automatically generating the temperature of the heat pump 2 shutdown water tank 1 according to the expected outlet water temperature and the environment temperature;
controlling the starting or stopping of the water pump and the starting and stopping of the electric heating device 3 according to the temperature of the water tank 1;
the opening degree of the electronic water mixing valve 4 is adjusted in real time according to the water outlet temperature, the water inlet temperature and the real-time water outlet temperature of the electric heating device 3, so that the water outlet switch 5 keeps constant-temperature hot water flowing out.
The water heater adopting the control method of the water heater capable of continuously providing hot water obtains the temperature through the plurality of sensors, can continuously provide hot water through two-stage heating, and adjusts the water temperature in real time through the electronic water mixing valve to realize constant-temperature water supply.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A water heater for continuously providing hot water, comprising: the water mixing device comprises a water tank (1), a first heating device, a second heating device, an electronic water mixing valve (4) and a control module, wherein a water inlet of the water tank (1) is connected with an external water source through a pipeline, a heat exchange element of the first heating device is arranged in the water tank (1), a water inlet of the second heating device is connected with the water tank (1) through a pipeline, a first water inlet of the electronic water mixing valve (4) is connected with a water outlet of the second heating device through a pipeline, a second water inlet of the electronic water mixing valve (4) is connected with the external water source through a pipeline, the electronic water mixing valve (4) is connected with a water outlet switch through a pipeline, and the control module is electrically connected with the first heating device, the second heating device and the electronic water mixing valve (4).
2. A water heater capable of continuously providing hot water according to claim 1, characterized in that the water inlet of the water tank (1) or the second water inlet of the electronic water mixing valve (4) is provided with a first water temperature detection sensor (6) electrically connected with the control module.
3. A water heater capable of continuously providing hot water according to claim 1, characterized in that a second water temperature detection sensor (7) electrically connected with the control module is arranged in the water tank (1).
4. The water heater according to claim 1, wherein a temperature sensor for detecting an ambient temperature is disposed on a housing of the water heater, and the temperature sensor is electrically connected to the control module.
5. A water heater capable of continuously providing hot water according to claim 1, wherein the water outlet of the second heating device is provided with a third water temperature detection sensor (8), and the third water temperature detection sensor (8) is electrically connected with the control module.
6. A water heater capable of continuously providing hot water according to claim 1, wherein a fourth water temperature detection sensor (9) is arranged at the water inlet of the water outlet switch, and the fourth water temperature detection sensor (9) is electrically connected with the control module.
7. A water heater capable of continuously providing hot water according to claim 1, characterized in that the first heating device is a heat pump (2), a heat exchange coil (21) of the heat pump (2) is arranged inside the water tank (1), and a controller of the heat pump (2) is electrically connected with the control module.
8. A water heater capable of continuously providing hot water according to claim 1, wherein the second heating device is an electric heating device (3), and a controller of the electric heating device (3) is electrically connected with the control module.
9. A method for controlling a water heater capable of continuously supplying hot water, wherein the method for continuously supplying hot water is applied to the water heater capable of continuously supplying hot water according to any one of claims 1 to 8.
10. A method for controlling a sustainable hot water supply water heater according to claim 9, comprising the steps of:
acquiring the ambient temperature, the water inlet temperature, the water tank (1) temperature, the water outlet temperature of the electric heating device (3) and the real-time water outlet temperature through sensors;
setting an expected outlet water temperature manually, and automatically generating the temperature of the shutdown water tank (1) of the heat pump (2) according to the expected outlet water temperature and the environment temperature;
controlling the starting or stopping of the water pump and the starting and stopping of the electric heating device (3) according to the temperature of the water tank (1);
the opening degree of the electronic water mixing valve (4) is adjusted in real time according to the water outlet temperature, the water inlet temperature and the real-time water outlet temperature of the electric heating device (3), so that the water outlet switch keeps constant-temperature hot water flowing out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110903995.2A CN113587447A (en) | 2021-08-06 | 2021-08-06 | Water heater capable of continuously providing hot water and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110903995.2A CN113587447A (en) | 2021-08-06 | 2021-08-06 | Water heater capable of continuously providing hot water and control method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN113587447A true CN113587447A (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110903995.2A Pending CN113587447A (en) | 2021-08-06 | 2021-08-06 | Water heater capable of continuously providing hot water and control method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114151960A (en) * | 2021-12-21 | 2022-03-08 | 广东栗子科技有限公司 | Instant water heater and control method thereof |
| CN114294818A (en) * | 2021-12-17 | 2022-04-08 | 深圳市康博雅科技有限公司 | Energy-saving power supply device and water storage type electric water heater |
| CN115451557A (en) * | 2022-09-26 | 2022-12-09 | 宁波奥克斯电气股份有限公司 | Heat pump air conditioner and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104676879A (en) * | 2015-02-10 | 2015-06-03 | 芜湖美的厨卫电器制造有限公司 | Electric water heater, ignition point complementation water heating system and control method thereof |
| CN105091329A (en) * | 2015-07-30 | 2015-11-25 | 芜湖美的厨卫电器制造有限公司 | Heat pump water heating system and control method of heat pump water heating system |
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2021
- 2021-08-06 CN CN202110903995.2A patent/CN113587447A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104676879A (en) * | 2015-02-10 | 2015-06-03 | 芜湖美的厨卫电器制造有限公司 | Electric water heater, ignition point complementation water heating system and control method thereof |
| CN105091329A (en) * | 2015-07-30 | 2015-11-25 | 芜湖美的厨卫电器制造有限公司 | Heat pump water heating system and control method of heat pump water heating system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294818A (en) * | 2021-12-17 | 2022-04-08 | 深圳市康博雅科技有限公司 | Energy-saving power supply device and water storage type electric water heater |
| CN114151960A (en) * | 2021-12-21 | 2022-03-08 | 广东栗子科技有限公司 | Instant water heater and control method thereof |
| CN115451557A (en) * | 2022-09-26 | 2022-12-09 | 宁波奥克斯电气股份有限公司 | Heat pump air conditioner and control method |
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