CN111043762A - Air energy water heater and heat storage device thereof - Google Patents
Air energy water heater and heat storage device thereof Download PDFInfo
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- CN111043762A CN111043762A CN201911412245.4A CN201911412245A CN111043762A CN 111043762 A CN111043762 A CN 111043762A CN 201911412245 A CN201911412245 A CN 201911412245A CN 111043762 A CN111043762 A CN 111043762A
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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
- F24H7/00—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release
- F24H7/02—Storage heaters, i.e. heaters in which the energy is stored as heat in masses for subsequent release the released heat being conveyed to a transfer fluid
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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
- F24H4/00—Fluid heaters characterised by the use of heat pumps
- F24H4/02—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
- 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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- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention relates to an air energy water heater and a heat storage device thereof. Belong to air can water heater field, include: the intelligent control device, the compressor and the phase-change heat storage tank, wherein the compressor is connected with the phase-change heat storage tank; when the intelligent control device detects that the time is valley electricity, the compressor is controlled to be started; the compressor heats the phase-change material through the heat exchanger, and stores the heat in the phase-change heat storage tank; the phase-change heat storage tank is provided with a cold water inlet and a hot water outlet, and cold water entering from the cold water inlet is heated to a preset temperature through a heat exchanger in the phase-change heat storage tank and flows out from the hot water outlet. The phase-change heat storage tank is used for replacing a water tank, so that the heat storage tank has the advantages of small volume, small heat dissipation area and easiness in heat preservation; the temperature of the hot water outlet of the phase-change heat storage pool is kept at a preset temperature, the purpose of stabilizing the temperature of the outlet water is achieved, and valley electricity is used by the intelligent control device. The three defects of the traditional air energy water heater are overcome, and the air energy water heater has the advantages of small volume, low power consumption for maintaining constant temperature and stable outlet water temperature.
Description
Technical Field
The invention belongs to the field of air energy water heaters, and particularly relates to an air energy water heater and a heat storage device thereof.
Background
The water heater is indispensable equipment for every family, and people particularly like the instant heating type water heater so as to wash and bathe. Water heaters have also undergone continuous changes from the earliest direct-exhaust gas water heaters, flue water heaters, balanced water heaters, to forced-exhaust water heaters (equipped with small exhaust fans, which are higher in safety than non-forced-exhaust water heaters). And then to wall-mounted electric water heaters and solar water heaters, and to air energy water heaters which have appeared in recent years. The air energy water heater is hot water obtained by carrying heat in air, so that the energy efficiency ratio which is much higher than that of direct electric heating can be obtained by using less electric energy, and the air energy water heater is popular.
Although air energy water heaters have once been sought after, they have three major drawbacks that have frustrated many people's desire to purchase air energy water heaters.
The building has the advantages that the size is large, the occupied space is large, and the installation is inconvenient, particularly for the houses of the building;
secondly, the power consumption required for maintaining constant temperature is high; because the water tank is large in size, large in heat dissipation area and poor in heat preservation performance, much electric energy is consumed to achieve instant hot water discharge, and the high energy efficiency ratio of air energy is lost in a long-time heat preservation process;
thirdly, the temperature of the effluent is unstable; due to the structural characteristics of the water tank, the overall water temperature is gradually lowered as the water in the water tank is continuously added by the cold water.
Therefore, how to design an air water heater capable of solving the above three disadvantages simultaneously is a problem to be solved urgently.
Disclosure of Invention
In order to solve the problems of large volume, high power consumption and unstable outlet water temperature in the prior art, the embodiment of the invention provides the following technical scheme:
in one aspect, a heat storage device for an air-powered water heater, comprising: the intelligent control device comprises an intelligent control device, a compressor and a phase change heat storage tank, wherein the compressor is connected with the phase change heat storage tank;
when the intelligent control device detects that the time is valley electricity, the compressor is controlled to be started;
the compressor transfers heat extracted from air to the phase change heat storage tank;
the phase-change heat storage tank is provided with a cold water inlet and a hot water outlet, and the cold water entering from the cold water inlet is heated to a preset temperature by utilizing the heat transmitted by the compressor and flows out from the hot water outlet.
Furthermore, the intelligent control device is also used for controlling the compressor to be started for heating when an immediate heating instruction is received, and controlling the compressor to be closed after the temperature of the phase change heat storage tank is detected to exceed the preset temperature by one degree.
Further, the heat storage device comprises an insulation box, and a phase change material and a heat exchanger which are filled in the insulation box;
further comprises a heat supply pipe and a heat absorption pipe,
the heat supply pipe and the heat absorption pipe are arranged in parallel in a heat exchanger in the phase change heat storage tank;
the compressor is connected with the phase change heat storage pool through the heat supply pipe and is used for transmitting heat to the heat storage device through the heat supply pipe.
Further, still include the evaporimeter, the evaporimeter with the compressor is connected, constitutes the heat supply circuit of phase transition heat-retaining pond.
The evaporator is connected with the evaporator, the other end of the evaporator is connected with the drying filter, and the liquid storage tank is positioned between the drying filter and the heat absorption pipe; the pressure reducing device is connected in parallel with the expansion valve.
Further, the device also comprises a temperature sensor,
the temperature sensor is connected with the phase-change heat storage tank and used for detecting the temperature of the phase-change heat storage tank and the temperature of the phase-change heat storage tank.
Further, still include the display, the display with intelligent control device is connected, the display is used for showing the temperature of phase transition heat-retaining pond.
Furthermore, the intelligent control device is provided with a control key, and the control key is used for selecting immediate heating or heating in a valley power period.
In another aspect, an air energy water heater comprises the heat storage device.
The embodiment of the invention provides an air energy water heater and a heat storage device thereof, wherein the air energy water heater comprises: the intelligent control device, the compressor and the phase change heat storage tank; when the intelligent control device detects that the time is valley electricity, the compressor is controlled to be started; the compressor is connected with the phase-change heat storage tank and is used for transmitting heat to the phase-change heat storage tank; the phase change heat storage tank is provided with a cold water inlet and a hot water outlet; the phase change heat storage tank is used for heating cold water entering from the cold water inlet to a preset temperature and enabling the cold water to flow out from the hot water outlet. Has the following beneficial effects: the heat storage capacity of the phase-change material is 10 times of that of water with the same volume, so that the same heat is stored, the volume of the required phase-change material pool is one tenth of that of the water tank, the water tank is replaced by the phase-change heat storage pool, and the phase-change heat storage pool has the advantage of small volume and is convenient to install indoors; the temperature of a hot water outlet of the phase-change heat storage pool is kept at the melting point temperature, the purpose of stabilizing the water outlet temperature is achieved, valley electricity is used by the intelligent control device, and the purpose of saving electricity charges is achieved. The embodiment of the invention overcomes three defects of the traditional air energy water heater, and has the advantages of small volume, low power consumption for maintaining constant temperature and stable outlet water temperature.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a structural diagram of a heat storage device of an air energy water heater in an embodiment of the invention.
Fig. 2 is a block diagram of an air energy water heater in another embodiment of the present invention.
Fig. 3 is a block diagram of a compatible air energy water heater in one embodiment of the present invention.
Fig. 4 is a block diagram of another compatible air energy water heater in accordance with an embodiment of the present invention.
Reference numerals
1-an intelligent control device; 2-a compressor; 3-phase change heat storage tank; 4-an evaporator; 5-an expansion valve; 6-a pressure reduction device; 7-drying the filter; 8-a liquid storage tank; 9-a condenser; 10-a circulating pump; 11-a temperature sensor; 12-a display; 13-a heating pipe; 14-heat absorption tube.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1, an embodiment of the present invention provides a heat storage device of an air energy water heater, including: the intelligent control device comprises an intelligent control device 1, a compressor 2 and a phase change heat storage tank 3, wherein the compressor 2 is connected with the phase change heat storage tank 3;
the intelligent control device 1 controls the compressor 2 to be started when the intelligent control device 1 detects that the time is valley electricity;
the compressor 2 transmits the generated heat to the phase change heat storage tank 3;
the phase change heat storage tank 3 is provided with a cold water inlet and a hot water outlet, and the cold water entering from the cold water inlet is heated to a preset temperature by utilizing the stored heat and flows out from the hot water outlet. In this embodiment, since the compressor 2 and the phase change heat storage tank 3 are installed in the same case, the air energy water heater is defined as a compact air energy water heater, so that heat generated by the compressor 2 can be directly transferred to the phase change heat storage tank 3.
The working process is that firstly, a control key is arranged on the intelligent control device 1 and used for selecting instant heating or heating in a valley power period. When the intelligent control device 1 detects that the time is valley electricity or receives an immediate heating instruction, controlling to start the compressor 2; the compressor 2 transmits high-temperature and high-pressure heat to the phase-change heat storage tank 3, the phase-change material in the phase-change heat storage tank 3 absorbs the heat under the action of high temperature to melt, after the phase-change material is completely melted, the heat storage work is finished, after the temperature of the phase-change heat storage tank 3 is detected to exceed the preset temperature by one degree, the intelligent control device 1 closes the compressor 2, the air energy water heater enters a standby mode, when a user opens a faucet, the air energy water heater enters a hot water state, cold water enters the phase-change heat storage tank 3 through a cold water inlet of the phase-change heat storage tank 3 and passes through a pipeline in the phase-change heat storage tank 3 to be heated to the preset temperature, generally speaking, the melting point temperature of the phase-change material is the preset temperature, the melting point temperature is different according to the phase-change material, the preset temperature can be but not limited to 60, the water outlet temperature is 60 ℃, so that hot water with constant temperature is provided for users. The phase change material is not limited in the embodiment of the invention, and is selected by a person skilled in the art according to engineering requirements.
As a further improvement to the above embodiment, as shown in fig. 2, an embodiment of the present invention provides a compact air-source water heater, further including a temperature sensor 11, where the temperature sensor 11 is connected to the phase change heat storage tank 3, and is used for an intelligent control device to detect the temperature of the phase change storage tank. After the intelligent control device detects that the temperature of the phase change heat storage tank 3 exceeds the preset temperature by one degree through the temperature sensor 11, the intelligent control device 1 closes the compressor 2.
As a further improvement to the above embodiment, as shown in fig. 2, a display 12 is further included for displaying the temperature of the phase change heat storage tank 3. The temperature of the phase change heat storage tank 3 can be observed visually.
The embodiment of the invention provides a heat storage device of an air energy water heater, which comprises: the intelligent control device, the compressor and the phase change heat storage tank; when the intelligent control device detects that the time is valley electricity, the compressor is controlled to be started; the compressor is connected with the phase-change heat storage tank and is used for transmitting heat to the phase-change heat storage tank; the phase change heat storage tank is provided with a cold water inlet and a hot water outlet; the phase change heat storage tank is used for heating cold water entering from the cold water inlet to a preset temperature and enabling the cold water to flow out from the hot water outlet. Has the following beneficial effects: the heat storage capacity of the phase-change material is 10 times of that of water, so that the same heat is stored, the volume of the required phase-change material pool is one tenth of that of the water tank, the water tank is replaced by the phase-change heat storage pool, and the phase-change heat storage tank has the advantage of small volume and is convenient to install indoors; the temperature of the hot water outlet of the phase change heat storage pool is kept at a preset temperature, the purpose of stabilizing the temperature of the outlet water is achieved, valley electricity is used by the intelligent control device, and the purpose of saving electricity charges is achieved. The embodiment of the invention overcomes three defects of the traditional air energy water heater, and has the advantages of small volume, low power consumption for maintaining constant temperature and stable outlet water temperature. The electric charge can be obviously reduced by utilizing the good heat preservation effect of the phase-change heat storage tank and intelligently controlling the heating in the valley power period.
In another embodiment, as shown in fig. 2, further comprises an evaporator 4, an expansion valve 5, a pressure reducing device 6, a drying filter 7 and a liquid storage tank 8;
wherein the evaporator 4 realizes the most critical component for absorbing thermal energy from the air. The principle is as follows: the working medium cooled down by the condenser 9 is changed into liquid under the continuous action of pressure, enters the evaporator 4 after passing through the expansion valve 5, and because the pressure of the evaporator 4 is suddenly reduced, the liquid working medium is quickly evaporated into gas and absorbs a large amount of heat. When the working medium passes through the evaporator 4, the working medium absorbs heat in the air through the copper pipe and the fins, the absorbed heat is taken, and the working medium enters the compressor 2 again to perform next circulation. While the cold air on the evaporator 4 can be used to cool down the kitchen.
As an optional implementation manner, the system further comprises an expansion valve 5, a pressure reducing device 6, a drying filter 7 and a liquid storage tank 8, wherein one end of the expansion valve 5 is connected with the evaporator 4, the other end of the expansion valve is connected with the drying filter 7, and the liquid storage tank 8 is positioned between the drying filter 7 and the heat absorption pipe 14; the pressure reducing device 6 is connected in parallel with the expansion valve 5.
The expansion valve 5 has the effects that the expansion valve 5 enables the medium-temperature high-pressure liquid working medium to be throttled into low-temperature low-pressure wet steam through the expansion valve 5, then the working medium absorbs heat in the evaporator 4 to achieve a refrigeration effect, and the expansion valve 5 controls the flow of the valve through the change of the superheat degree of the tail end of the evaporator 4, so that the phenomena of insufficient utilization of the area of the evaporator 4 and cylinder knocking are prevented.
The pressure reducing device 6 is a steam heat energy parameter (pressure, temperature) conversion device and an energy-saving device utilizing waste heat, which are widely applied to heat energy engineering in enterprises of cogeneration, central heating (or steam supply), light industry, electric power, chemical industry, textile and the like in modern industry, and the steam parameters provided by users are reduced to the temperature and the pressure which are suitable for the users through the pressure reducing device 6 so as to meet the requirements of the users, fully save heat energy and reasonably use heat energy.
The filter drier 7 mainly serves to filter impurities.
The liquid storage tank 8 is used for storing liquid working medium. In the present embodiment, the expansion valve 5, the pressure reducing device 6, the filter drier 7, and the liquid reservoir tank 8 are not modified, and a detailed description thereof will not be given to avoid redundancy.
The embodiment of the invention provides a heat storage device of an air energy water heater, which comprises: the intelligent control device, the compressor and the phase change heat storage tank; the low-temperature working medium passes through the evaporator and exchanges heat with the outside air, and the low-temperature working medium is gasified to absorb heat, so that the temperature of the surrounding air is reduced, and the purpose of absorbing energy in the air is achieved. Then the heat is transferred to the phase change heat storage tank after being compressed by the compressor, so that the heat transfer and storage are completed, and the heat storage tank has the advantages of long service life, low cost, low maintenance cost and stable equipment performance. As a further improvement to the above embodiment, another air energy water heater is provided in the embodiment of the present invention, as shown in fig. 3, which is a structure diagram of a compatible air energy water heater in an embodiment of the present invention.
In order to meet the requirements of different users, an air energy water heater with different heat capacities is designed, different from the above embodiment, the above embodiment is that the compressor 2 and the phase change heat storage tank 3 form an integral body, and in this embodiment, the compressor 2 and the phase change heat storage tank 3 are separated, that is, in practical application, the structures of the compressor 2 and the phase change heat storage tank 3 can be selected by those skilled in the art according to actual needs.
In this embodiment, the phase change heat storage tank 3 is separated from the condenser 9, so that the phase change heat storage tank 3 is defined as a compatible air energy water heater, the circulating pump 10 is used for transferring heat in the condenser 9 to the phase change heat storage tank 3, and the phase change heat storage tank 3 is used for replacing a traditional water tank in the prior art.
As an alternative implementation, the condenser 9 may be integrated with the phase-change heat storage tank 3, and such an air-source water heater is defined as a compact air-source water heater, so that the heat generated by the compressor 2 can be directly transferred to the phase-change heat storage tank 3.
In one embodiment, the phase change heat storage tank 3 comprises an insulation box, and a phase change material and a heat exchanger filled in the insulation box; the water outlet is positioned above the water inlet; the water outlet is arranged at the top end of the heat preservation box; the water inlet is arranged at the bottom end of the heat preservation box.
In another embodiment, the water inlet and outlet may both be at the top or side when a pipe or other obstruction is at the bottom that would not be convenient to install.
The positions of the water inlet and the water outlet are not specifically limited in the embodiment of the invention, and the position can be set by a person skilled in the art according to engineering requirements.
A heat exchanger is also arranged in the heat insulation box, the heat exchanger is fully contacted with the phase change material, a heat supply pipe 13 and a heat absorption pipe 14 are arranged in the heat exchanger in parallel, and the heat supply pipe 13 and the heat absorption pipe 14 are coiled in parallel to penetrate through the heat exchanger; the inlet of the heat supply pipe 13 is positioned at the upper part of the heat insulation box, and the outlet is positioned at the lower part of the heat insulation box; a cold water inlet of the heat absorption pipe 14 is positioned at the lower part of the heat insulation box, and a hot water outlet is positioned at the upper part of the heat insulation box; the condenser 9 is connected with the phase change heat storage tank 3 through a heat supply pipe 13, and the circulating pump 10 transmits heat generated by the condenser 9 to the heat storage device through the heat supply pipe 13.
As an optional implementation manner, the heat storage device further comprises an evaporator 4, and the evaporator 4 is connected with the compressor 2 to form a heat supply loop of the phase change heat storage tank 3. The evaporator 4 is the most critical component to achieve the absorption of thermal energy from the air. The principle is as follows: the temperature of the working medium after being sprayed out of the throttling device is lower than the normal temperature, the working medium absorbs the heat in the air through the copper pipe and the fins when passing through the evaporator 4, the absorbed heat is taken, and the working medium enters the compressor 2 again to carry out the next circulation. The air passing through the evaporator 4 is changed into cold air due to the loss of heat, and can be sent to the kitchen through a pipeline so as to cool the kitchen in summer; the duct has an additional outlet to allow cool air to be discharged to the outside when there is no need to cool the kitchen.
As an optional implementation manner, the heat exchanger further comprises a condenser 9, wherein the condenser 9 releases heat from high-pressure and high-temperature steam sent by the compressor, and is a device for converting a gaseous working medium into a liquid working medium, and the heat exchange is completed by utilizing the change of the state of the working medium, and is equipment for releasing heat; and is also a heat exchanger for heating the water in the heat supply pipe 13 so as to convey the heat to the phase change heat storage tank by a circulating pump.
In the embodiment, one end of the condenser 9 is connected with the compressor 2, and the other end is connected with the liquid storage tank 8; another water pipe is connected with the condenser 9 and is connected with the circulating pump 10, the heat released by the condenser 9 and the water in the heating pipe are transmitted to the circulating pump 10 together, the circulating pump 10 transmits the water with the heat to the phase change heat storage tank 3, so that the temperature of the phase change heat storage tank 3 is raised, and when cold water enters the phase change heat storage tank 3 through the cold water port, the cold water is heated by the internal heat exchange pipeline and flows out of hot water from the hot water port.
The evaporator 4 and the condenser 9 are not modified in this embodiment, and a detailed description thereof will not be given here in order to avoid repetitive encumbrance.
As an optional implementation manner, the system further comprises an expansion valve 5, a pressure reducing device 6, a drying filter 7 and a liquid storage tank 8, wherein one end of the expansion valve 5 is connected with the evaporator 4, the other end of the expansion valve is connected with the drying filter 7, and the liquid storage tank 8 is positioned between the drying filter 7 and the heat absorption pipe 14; the pressure reducing device 6 is connected in parallel with the expansion valve 5.
The expansion valve 5 is used for throttling the medium-temperature high-pressure liquid working medium into low-temperature low-pressure wet steam through the expansion valve 5, then the working medium absorbs heat in the evaporator 4 to achieve a refrigeration effect, and the generated cold air can be sent to a kitchen so as to cool the kitchen in summer or be discharged outdoors; the expansion valve 5 controls the flow rate of the valve by the change of the superheat degree of the tail end of the evaporator 4, and prevents the phenomena of insufficient utilization of the area of the evaporator 4 and cylinder knocking.
The pressure reducing device 6 is a steam heat energy parameter (pressure, temperature) conversion device and an energy-saving device utilizing waste heat, which are widely applied to heat energy engineering in enterprises of cogeneration, central heating (or steam supply), light industry, electric power, chemical industry, textile and the like in modern industry, and the steam parameters provided by users are reduced to the temperature and the pressure which are suitable for the users through the pressure reducing device 6 so as to meet the requirements of the users, fully save heat energy and reasonably use heat energy.
The filter drier 7 mainly serves to filter impurities.
The liquid storage tank 8 is used for storing liquid working medium. In the present embodiment, the expansion valve 5, the pressure reducing device 6, the filter drier 7, and the liquid reservoir tank 8 are not modified, and a detailed description thereof will not be given to avoid redundancy.
The compatible working principle is that the structure of the existing air energy water heater except the water tank is kept unchanged, and the water tank is only required to be changed into the phase change heat storage tank 3, namely the two ends of the water outlet and the water inlet of a hot water supply pipe of the air energy water heater host are respectively connected to the water inlet end and the water outlet end of a hot water supply pipe of the phase change heat storage tank 3, so as to complete a circulation loop supplying heat to the phase change heat storage tank 3; and then the water outlet of tap water is connected to the water inlet end of the heat absorbing pipe 14 of the phase change heat storage tank 3, and the water pipe for water of a user is connected to the water outlet end of the heat absorbing pipe 14 of the phase change heat storage tank 3, so that hot water can be provided for the user.
When the intelligent control module detects that the time is valley electricity or receives an immediate heating instruction, the compressor 2 is started to prepare a high-temperature high-pressure working medium and send the working medium into the condenser 9, then the heat exchanger in the condenser 9 exchanges heat with water in the heat supply pipe 13, the circulating pump 10 is started at the same time, hot water in the heat supply pipe 13 is sent into the phase-change material heat storage tank, then the heat exchanger in the phase-change heat storage tank 3 is used for heating the phase-change material, the water with the reduced temperature is sent into the heat exchanger of the condenser 9 again for heating, the circulation is repeated in the way, and the heat pump and the circulating pump 10 are closed until the intelligent control module detects that the temperature of the phase-change heat storage tank 3 is higher than the melting point value by.
When a user opens the water faucet and prepares to use hot water, cold water enters the water inlet of the phase change heat storage tank 3, and the cold water is heated to the melting point temperature of the phase change material immediately after flowing through the heat exchange pipeline in the heat storage tank, so that the hot water with constant temperature is provided for the user.
According to the air energy water heater provided by the embodiment of the invention, the phase change heat storage tank is used for replacing a traditional hot water tank, the volume is reduced, the size of the phase change heat storage tank can be customized according to needs, and the requirements of different users can be met.
As an improvement of the above embodiment, an embodiment of the present invention further provides another compatible air energy water heater, as shown in fig. 4, a phase change heat storage tank of the compatible air energy water heater is improved, in the improved method, a heat supply pipe 13 and a heat absorption pipe 14 of the phase change heat storage tank are combined into one, and meanwhile, two three-way joints are added, one three-way joint connects an upper portion of the heat supply pipe 13 and a hot water outlet pipe; the other three-way joint is connected with the lower part of the heating pipe 13 and the cold water inlet pipeline. This saves the cost of a single pipe and increases the space for phase change material.
Specifically, in an embodiment of practical use, after the intelligent control device detects the valley electricity time, the compressor and the circulating pump are started, the heat supply pipe 13 of the phase-change heat storage tank is used for supplying heat, the heat in the condenser is conveyed into the phase-change heat storage tank, and the heat is transferred to the phase-change material through the pipe and the heat exchanger therein until the phase-change material is completely melted. When a user opens a tap for hot water to flow out, cold water passes through the heat exchanger in the phase change heat storage tank along the heat supply pipe 13 under the pressure of tap water, the cold water becomes hot water, and the heat supply pipe 13 absorbs heat.
According to the air energy water heater provided by the embodiment of the invention, the heat supply pipe and the heat absorption pipe in the phase change heat storage tank are combined into a whole, so that one pipeline is saved, the cost can be reduced, the volume can be reduced, and the space utilization rate is improved.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present application, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
It should be understood that portions of the present application may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A heat storage device of an air energy water heater, comprising: the intelligent control device comprises an intelligent control device, a compressor and a phase change heat storage tank, wherein the compressor is connected with the phase change heat storage tank;
when the intelligent control device detects that the time is valley electricity, the compressor is controlled to be started;
the compressor transmits the generated heat to the phase change heat storage tank;
the phase-change heat storage tank is provided with a cold water inlet and a hot water outlet, and the stored heat transmitted by the compressor is used for heating cold water entering the cold water inlet to a preset temperature and flowing out of the hot water outlet.
2. Heat storage device according to claim 1,
the intelligent control device is also used for controlling the compressor to be started for heating when an instant heating instruction is received, and controlling the compressor to be closed after the temperature of the phase change heat storage tank is detected to exceed the preset temperature by one degree.
3. Heat storage device according to claim 1,
the heat storage device comprises an insulation box, and a phase change material and a heat exchanger which are filled in the insulation box.
4. The heat storage device of claim 3, further comprising a heat supply pipe and a heat absorption pipe arranged in parallel in the heat exchanger,
the compressor is connected with the phase change heat storage pool heat exchanger through the heat supply pipe and is used for transmitting heat in the heat supply pipe to the phase change heat storage device through the heat exchanger.
5. The heat storage device of claim 4 further comprising an evaporator, said evaporator being connected to said compressor to form a heat supply circuit for the phase change heat storage tank.
6. The heat storage device of claim 5, further comprising an expansion valve, a pressure reducing device, a dry filter and a liquid storage tank, wherein one end of the expansion valve is connected with the evaporator, the other end of the expansion valve is connected with the dry filter, and the liquid storage tank is located between the dry filter and the heat supply pipe; the pressure reducing device is connected in parallel with the expansion valve.
7. The heat storage device of claim 1, further comprising a temperature sensor,
the temperature sensor is connected with the phase-change heat storage tank and used for detecting the temperature of the phase-change heat storage tank, so that the intelligent control device obtains the temperature of the phase-change heat storage tank.
8. The heat storage device of claim 1, further comprising a display, wherein the display is connected to the intelligent control device, and the display is used for displaying the temperature of the phase change heat storage tank.
9. The heat storage device as claimed in claim 7, wherein the intelligent control device is provided with a control button, and the control button is used for selecting immediate heating or off-peak heating.
10. An air-powered water heater comprising a heat storage device as claimed in any one of claims 1 to 9.
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| CN201911412245.4A CN111043762A (en) | 2019-12-31 | 2019-12-31 | Air energy water heater and heat storage device thereof |
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| CN201911412245.4A CN111043762A (en) | 2019-12-31 | 2019-12-31 | Air energy water heater and heat storage device thereof |
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| CN117321341A (en) * | 2021-02-07 | 2023-12-29 | 八达通能源供暖有限公司 | Method and system for predictively preparing a water supply system |
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Application publication date: 20200421 |