WO2020199265A1 - 混合供电式电热水器及其控制方法 - Google Patents

混合供电式电热水器及其控制方法 Download PDF

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Publication number
WO2020199265A1
WO2020199265A1 PCT/CN2019/083576 CN2019083576W WO2020199265A1 WO 2020199265 A1 WO2020199265 A1 WO 2020199265A1 CN 2019083576 W CN2019083576 W CN 2019083576W WO 2020199265 A1 WO2020199265 A1 WO 2020199265A1
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WO
WIPO (PCT)
Prior art keywords
water
module
electric
power
electric heating
Prior art date
Application number
PCT/CN2019/083576
Other languages
English (en)
French (fr)
Inventor
孙强
盛保敬
赵龙
赵小勇
Original Assignee
青岛经济技术开发区海尔热水器有限公司
海尔智家股份有限公司
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Application filed by 青岛经济技术开发区海尔热水器有限公司, 海尔智家股份有限公司 filed Critical 青岛经济技术开发区海尔热水器有限公司
Publication of WO2020199265A1 publication Critical patent/WO2020199265A1/zh

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Classifications

    • 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
    • F24H9/2028—Continuous-flow heaters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/251—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/174—Supplying heated water with desired temperature or desired range of temperature
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F24H15/215—Temperature of the water before heating
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F24H15/219—Temperature of the water after heating
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/238—Flow rate
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/37—Control of heat-generating means in heaters of electric heaters
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/222—Inorganic material
    • H01M50/224—Metals
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/128—Preventing overheating
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/156—Reducing the quantity of energy consumed; Increasing efficiency
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/176—Improving or maintaining comfort of users
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/281—Input from user
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/395—Information to users, e.g. alarms
    • 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
    • F24H15/00—Control of fluid heaters
    • F24H15/40—Control of fluid heaters characterised by the type of controllers
    • F24H15/407—Control of fluid heaters characterised by the type of controllers using electrical switching, e.g. TRIAC
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention belongs to the technical field of household appliances, and in particular relates to a hybrid electric water heater and a control method thereof.
  • water heaters are commonly used household appliances in people’s daily lives.
  • electric water heaters are widely used due to their small size, and instant water heaters with instant heating function are used by more users because of their convenience.
  • the power of the thermal water heater is low, which cannot meet the user's requirements for large-flow bathing.
  • the present invention provides a hybrid electric water heater and a control method thereof.
  • the high-power heating water is realized by using a storage module to cooperate with the mains power supply to meet the user's high-flow bathing requirements and improve Improved user experience.
  • the present invention adopts the following technical solutions to achieve:
  • the invention provides a hybrid electric water heater, which includes:
  • An electric heating module which includes a heating container and a plurality of electric heating components
  • the heating container has a water inlet and a water outlet
  • the electric heating component is provided on the heating container and is used to heat water flowing through the heating container;
  • An electric storage module for storing electric energy
  • a charging and discharging module is used to control the electric storage module to charge, and is also used to control the electric storage module to discharge to supply power to some of the electric heating components;
  • An external power discharging module the external power discharging module is used to connect an external power supply and supply power to the remaining part of the electric heating components;
  • the electric heating module, the electric storage module, the charging and discharging module, and the external power discharging module are located in the housing.
  • a fixing seat is provided in the housing, and the heating container is electrically insulated and installed on the fixing seat.
  • a clamp is connected to the fixing seat by bolts, the heating container is clamped between the clamp and the fixing seat, and the heating container is arranged between the clamp and the fixing seat.
  • the power storage module includes a plurality of power storage modules, each of the power storage modules includes a plurality of batteries arranged in parallel, and a plurality of the power storage modules are arranged in series.
  • the power storage module includes a plurality of power storage modules, each of the power storage modules includes a plurality of batteries arranged in series, and a plurality of the power storage modules are arranged in parallel.
  • a heat dissipation frame for installing the battery and for dissipating the heat released by the battery, and the heat dissipation frame is located in the housing.
  • cooling water pipe abuts on the heat dissipation frame and is connected with the water inlet.
  • a first installation cavity and a second installation cavity are formed in the housing; the electric heating module is arranged in the first installation cavity, the charge and discharge module, the electric storage module and the The external power supply discharge module is arranged in the second installation cavity.
  • a flow sensor the flow sensor is used to detect the water inlet or outlet flow of the electric heating module; a first temperature sensor, the first temperature sensor is used to detect the inlet water temperature of the water inlet A second temperature sensor, the second temperature sensor is used to detect the temperature of the water outlet; a controller, the controller is used to set parameters and the flow sensor, the first temperature sensor and the The signal detected by the second temperature sensor controls the operation of the charging and discharging module.
  • the present invention also provides a control method of the above-mentioned hybrid electric water heater, which includes: after setting the outlet water temperature, when the flow sensor detects the water flow, according to the inlet water temperature detected by the first temperature sensor and the flow sensor detected The water flow rate is used to calculate the heat required to heat the water to control the battery to supply power to the electric heating module to heat the water.
  • the battery discharge power is increased; if the temperature value detected by the second temperature sensor is greater than the set water temperature, the battery discharge is reduced power.
  • the external power discharge module is activated to assist the electric heating module to supply power and heat the water.
  • the advantages and positive effects of the present invention are: by increasing the use of power storage modules to store electrical energy for power supply, and cooperating with the city power to assist power supply, it can achieve high heating power under the requirement of large-flow instantaneous water supply It is required to realize high-power heating water by using the power storage module to cooperate with the mains power supply to meet the user's high-flow bathing requirements and improve the user experience.
  • Figure 1 is a schematic structural view of an embodiment of an electric water heater of the present invention
  • Figure 2 is one of the device distribution diagrams inside the housing of the electric water heater embodiment of the present invention.
  • FIG. 3 is one of the structural schematic diagrams of the electric storage module in the embodiment of the electric water heater of the present invention.
  • Fig. 4 is a partial enlarged schematic diagram of area A in Fig. 3;
  • Fig. 5 is the second structural diagram of the electric storage module in the embodiment of the electric water heater of the present invention.
  • Fig. 6 is a partial enlarged schematic diagram of area B in Fig. 5;
  • Figure 7 is a schematic structural diagram of the main frame of the electric water heater embodiment of the present invention.
  • Figure 8 is one of the structural schematic diagrams of the electric heating module in the embodiment of the electric water heater of the present invention.
  • FIG. 9 is a cross-sectional view of the electric heating module in the embodiment of the electric water heater of the present invention.
  • Fig. 10 is a partial structural diagram of an electric heating module in an embodiment of an electric water heater of the present invention.
  • Figure 11 is the second distribution diagram of components inside the housing of the electric water heater of the embodiment of the present invention.
  • Figure 12 is the third diagram of the device distribution inside the housing of the electric water heater embodiment of the present invention.
  • Fig. 13 is the second structural diagram of the electric heating module in the embodiment of the electric water heater of the present invention.
  • the water heater of this embodiment includes: a housing 1, an electric heating module 2, an electric storage module 3, a charging and discharging module 4, and a controller 5.
  • the electric heating module 2, the electric storage module 3, the charging The discharge module 4 and the controller 5 are installed in the housing 1.
  • the housing 1 is provided with a water inlet pipe 101 and a water outlet pipe 102.
  • the water inlet pipe 101 is connected with an external water supply source (such as a tap water pipe) for introducing cold water, and the water outlet pipe 102 is Used to output hot water.
  • the charging and discharging module 4 can control the charging and discharging of the electric storage module 3, and use the electric energy released by the electric storage module 3 to supply the electric heating module 2 for heating, and the external water supply is delivered to the electric heating module 2
  • the water is quickly heated by the electric heating module 2 to achieve the purpose of instant water supply.
  • the water heater will be equipped with a temperature sensor for detecting temperature and a flow sensor for detecting water flow, and the controller 5 will set parameters and The signals detected by the relevant sensors control the operation of the charging and discharging module 4.
  • the electric heating module 2 usually includes a heating container and electric heating components.
  • the heating container has a water inlet and a water outlet.
  • the water delivered by the water supply source passes through the water inlet pipe 101 and enters the heating container from the water inlet.
  • the electric heating component obtains electric energy to heat the water flowing in the heating container.
  • the hot water formed by heating is output from the water outlet of the heating container and delivered to the outside through the water outlet pipe 102.
  • the electric heating component can be an electric heating tube or an electric heating film.
  • Electric heating devices; the storage module 3 uses several storage batteries to store electrical energy.
  • the storage batteries can use existing common battery types, such as lithium batteries or nickel-cadmium batteries. This embodiment does not limit the specific forms of batteries;
  • the discharging module 4 usually has a battery charging unit and a battery discharging unit.
  • the battery charging unit is connected to the mains to charge the battery as needed, while the battery discharging unit is connected to the electric heating component, and the electric energy released by the battery is passed through the battery discharging unit It is applied to the electric heating component to supply power to the electric heating component.
  • the battery charging unit and the battery discharging unit can adopt the conventional battery charging circuit and battery discharging circuit form, which is not limited here;
  • the controller 5 is the main control component and can To control the operation of the electric water heater according to the command mode set by the user, the controller 5 usually includes a circuit board and a control chip set on the circuit board, and because the battery is used for power supply, the controller 5 can also be equipped with a battery management system (English: Battery Management System, abbreviated BMS), uses the battery management system to monitor the battery, for example, to accurately estimate the state of charge of the power battery pack (State of Charge, or SOC), that is, the remaining battery power.
  • BMS Battery Management System
  • the controller 5 may also be equipped with a display screen or a display touch screen for the user to view the operating state of the electric water heater.
  • the electric water heater of this embodiment has the following improvements, which are specifically described in conjunction with the accompanying drawings.
  • the power storage module 3 includes several batteries 31 and a heat dissipation frame 32.
  • the heat dissipation frame 32 is used to install the battery 31 and dissipate the heat released by the battery 31; the battery 31 is thermally connected to the heat dissipation frame 32 .
  • the heat dissipation frame 32 is used to install and fix multiple batteries 31 to facilitate later unified assembly; on the other hand, the heat dissipation frame 32 has the function of dissipating heat from the batteries 31, and the heat dissipation frame 32 can be made of thermally conductive materials. , Such as aluminum or copper and other metals with good thermal conductivity.
  • the battery 31 is pasted on the heat dissipation frame 32 with a thermally conductive glue.
  • thermal adhesive can be used to bond the battery 31 to the heat sink 32 easily and quickly during the factory assembly process to improve assembly efficiency.
  • the thermal adhesive can Play the role of rapid heat transfer. The heat generated by the battery 31 is quickly transferred to the heat dissipation frame 32 through the thermal conductive glue to improve the heat transfer efficiency of the battery 31. In this way, the heat dissipation frame 32 can be used to quickly absorb the heat generated by the battery 31 To achieve efficient heat dissipation.
  • the battery 31 has a flat structure as a whole.
  • the back of the battery 31 is attached to the heat sink 32 through a thermally conductive glue.
  • the battery 31 has a rectangular parallelepiped structure.
  • the size of the battery 31 in the thickness direction is the smallest.
  • the thickness of the overall device can be ensured to be thin, and a light and thin design can be realized in a true sense.
  • the batteries 31 can be attached to the front and back of the heat sink 32 respectively to increase the number of batteries 31 in the overall equipment, thereby effectively increasing Large output power.
  • the heat dissipation frame 32 includes a main frame body 321 with a mounting groove 3211 provided on the main frame body 321, and the battery 31 is installed in the corresponding mounting groove 3211 through thermally conductive glue.
  • the main frame 321 is made of a thermally conductive material (such as aluminum or copper) to ensure that the main frame 321 has good heat conduction and heat dissipation capabilities, and the mounting groove 3211 formed on the main frame 321 can be independent
  • a single battery 31 is installed, and at the same time, the battery 31 in the mounting groove 3211 can be restricted by the bottom and two sides of the mounting groove 3211 to improve assembly reliability.
  • the mounting groove 3211 is also provided with a positioning plate 3212.
  • the positioning plate 3212 is used to position the end surface of the battery 31 with two electrodes.
  • the positioning plate 3212 is located between the two electrodes and can be used for the vertical and horizontal directions of the battery 31. Limit position to further improve assembly reliability.
  • the main frame body 321 is also provided with a connecting frame, and the connecting frame is used to snap onto the main frame body 321.
  • the connecting frame will abut against the front of the battery 31 so that the battery 31 is sandwiched between the connecting frame and the main frame body 321.
  • the battery 31 is confined in the mounting groove 3211 through the connecting frame from the outside of the battery 31, relying on the mounting groove 3211.
  • the storage battery 31 can be restricted in all directions.
  • multiple batteries 31 are arranged in an array on the main frame body 321, the batteries 31 located in the same row or the same row can be uniformly positioned and installed through the connecting frame, which more effectively improves the overall assembly efficiency.
  • the structure of the above-mentioned connecting frame differs according to the different assembly methods of the battery 31 and the main frame 321, specifically: for the case where the battery 31 is installed on the front or back of the main frame 321, the main frame 321 is also A plurality of first card interfaces are provided; the heat dissipation frame 32 further includes: a first connecting frame on which a plurality of first snap-on connectors are provided; wherein, the first snap-on connector is snapped on the first card In the interface, the battery 31 is sandwiched between the main frame body 321 and the first connecting frame. Specifically, when the battery 31 is installed on a surface of the main frame body 321, the battery 31 is bonded to the main frame body by a thermally conductive adhesive.
  • the first snap connection piece is directly snapped into the first card interface of the main frame 321 to complete the assembly of the first connection frame, and the battery 31 is clamped between the first connection frame and the main frame 321 Therefore, it can be ensured that the battery 31 will not fall out of the mounting groove 3211.
  • the heat dissipation frame 32 includes: a second connecting frame 322,
  • the connecting frame 322 is provided with a plurality of second card interfaces (not marked);
  • the third connecting frame 323 is provided with a plurality of second card connectors 3231;
  • the main frame 321 is located in the second Between the connecting frame 322 and the third connecting frame 323, the second clamping connection piece 3231 passes through the corresponding through hole 3210 and is clamped in the second card interface. Part of the storage battery 31 is clamped between the main frame 321 and the second connecting frame 322.
  • the remaining part of the storage battery 31 is sandwiched between the main frame body 321 and the third connecting frame 323.
  • the second snap connection 3231 passes through the through hole 3210 from one side of the main frame 321 and is snapped into the second In the card interface, at this time, the second connecting frame 322 and the third connecting frame 323 are both close to the front of the battery 31, so that the battery 31 is fastened.
  • the card of the second snap connector 3231 can be The connecting end forms a claw, and the claw is clamped into the second card interface to realize the clamping connection.
  • the second snap connection 3231 has a plate-like structure as a whole, and the free ends of the plate-like structure are respectively provided with a raised elastic card 3232, the elastic card 3232 passes through the second card interface and is stuck on the edge of the second card interface Specifically, the elastic card 3232 is cut and bent directly to form the elastic card 3232 on the free end of the second snap connection 3231, and the free end of the second snap connection 3231 can be on both sides respectively.
  • the elastic card 3232 is formed, and the tilting directions of the elastic cards 3232 on both sides are set back, so that after inserting the free end of the second card connection member 3231 into the second card interface, the elastic card 3232 is compressed first Enter into the second card interface, and then the elastic card 3232 extends from the second card interface and elastically resets, and the elastic card 3232 will be stuck on the edge of the second card interface.
  • the power storage module 3 further includes a heat collection component, which is used to collect the heat released by the battery 31 through heat transfer through the heat dissipation frame 32. Specifically, the heat generated during the charging and discharging process of the battery 31 is transferred to the heat dissipation frame 32, part of the heat conducted by the heat dissipation frame 32 is naturally dissipated, and the remaining part of the heat is absorbed by the heat collection component, which adopts an active heat absorption method. It can absorb heat more quickly and efficiently.
  • the heat collection assembly includes: a cooling water pipe 33 which is attached to the main frame 321 and connected to the water inlet.
  • the cold water input from the external water supply source first enters the cooling water pipe 33 through the water inlet pipe 101.
  • the temperature of the cold water flowing through the cooling water pipe 33 is low, and the battery 31 is discharged when the battery 31 is discharged.
  • the heat will heat the main frame 321, and the high temperature difference can accelerate the heat transfer efficiency between the cold water and the main frame 321, thereby quickly absorbing heat.
  • the cold water in the cooling water pipe 33 absorbs heat and enters the electric heating module 2
  • the cold water is heated by the heat released by the battery 31, so that the power consumption of the electric heating module 2 can be reduced, so as to reduce energy consumption and increase the hot water output rate and output; the heat generated during the discharge is used to preheat the water inlet pipe
  • the water temperature can prevent the battery temperature from being too high, prolong the service life of the battery, improve the safety level of the battery and the water heater, avoid the waste of battery energy, realize the multi-level utilization of energy, and improve the energy efficiency of the water heater.
  • the cooling water pipe 33 is reciprocally bent and arranged on the main frame body 321 and has a serpentine coil structure as a whole to increase the thermal contact area with the main frame body 321 to accelerate the heat dissipation efficiency.
  • a pipe groove 3213 matching the extending direction of the cooling water pipe 33 may be formed on the front or back of the main frame 321, and the cooling water pipe 33 is located in the pipe groove 3213, so that the cooling water pipe 33 and The contact area between the main frames 321 is increased to improve the heat transfer efficiency, and at the same time, the cooling water pipe 33 is located in the pipe groove 3213 without increasing the overall thickness of the power storage module 3 to ensure a thin and light design.
  • a sandwich structure may be formed in the main frame 321, and the cooling water pipe 33 is located in the sandwich structure.
  • the cooling water pipe 33 can uniformly absorb the heat released by the batteries 31 on both sides of the main frame 321 in the sandwich structure, and the heat collection assembly It may also include a phase change heat storage material.
  • the phase change heat storage material is filled in the sandwich structure.
  • the phase change heat storage material can effectively fill the entire sandwich structure to maximize heat dissipation efficiency.
  • the heat released by the battery 31 can be collected by the phase-change heat storage material. In this way, the heat released by the phase-change heat storage material can be used to preheat the cooling water pipe 33 during the startup phase of the electric water heater. In order to achieve the effect of rapid output of hot water.
  • the heat collection component can collect the heat generated in the charging and discharging and equilibrium state of the battery 31 to prevent excessive heat of the battery, prolong the service life of the battery, and improve the safety level of the battery and electric water heater.
  • the battery 31 is used to store electric energy. When 31 is discharged, the mains can be cut off, which can effectively improve the safety of use.
  • the battery 31 can meet the requirements of high-power heating without heat preservation.
  • the phase change material is used to convert energy consumption into energy storage, and the energy is used in multiple stages to reduce The waste of energy is eliminated, and there is no need for heating supplement and waiting when used again.
  • the housing 1 is formed with a first installation cavity 100 and a second installation cavity 200; wherein, the electric heating module 2 is arranged in the first installation cavity 100, and the charge and discharge module 4 and the storage
  • the electric module 3 is disposed in the second installation cavity 200.
  • the electric heating module 2 is used to heat water and is independently placed in the first installation cavity 100, while the charge and discharge module 4 and the electric storage module 3 are installed in the second installation cavity 200 to achieve isolation from the electric heating module 2.
  • the charging and discharging module 4 and the electric storage module 3 in the cavity 200 affect the charging and discharging module 4 or the electric storage module 3 from being soaked in water and causing a short circuit.
  • a partition 11 may be provided in the housing 1.
  • the partition 11 divides the interior of the housing 1 into a first installation cavity 100 and a second installation cavity 200 Specifically, the partition 11 is installed in the housing 1 to divide the internal space of the housing 1 into two parts to form a first installation cavity 100 and a second installation cavity 200.
  • the partition 11 can be used to achieve water and electricity isolation. When the heating module 2 leaks, the water will be blocked by the partition 11 to avoid entering the second installation cavity 200.
  • a wiring hole (not marked) is provided on the partition 11, and the electric heating module 2 is charged and discharged through a power supply cable (not shown).
  • the power supply cable passes through the wiring hole, and the wiring hole can be equipped with a structure such as a sealing ring to further effectively seal the gap between the power supply cable and the wiring hole, and further improve the sealing performance.
  • the partition 11 may also be equipped with a heat insulation layer, so that during the power-on operation of the electric heating module 2, the heat released by the electric heating module 2 to the outside can be isolated by the partition 11 to avoid heat transfer from the electric heating module 2
  • the charging and discharging module 4 and the storage module 3 are affected in the second installation cavity 200.
  • a mounting hole (not marked) is provided on the partition 11, and the cooling water pipe 33 passes through the mounting hole.
  • the mounting hole can also be equipped with a sealing ring, etc.
  • the structure further effectively seals the gap between the cooling water pipe 33 and the mounting hole.
  • the connection part of the cooling water pipe 33 and the water inlet pipe 101 is located in the first installation cavity 100.
  • the connection part of the cooling water pipe 33 and the electric heating module 2 is also located in the first installation cavity 100 and in the second installation cavity.
  • the part of the cooling water pipe 33 in the body 200 is a complete pipe body, so as to prevent water leakage at the connection part of the cooling water pipe 33 from affecting the charge and discharge module 4 and the storage module 3 in the second installation cavity 200.
  • the electric heating module 2 includes a heating container 21 and an electric heating component, and the electric heating component may be an electric heating film 22.
  • the heating container 21 includes a base 211, an inner tube 212, and an outer tube 213 And the plug 214, the base 211 is provided with a water inlet 2111 and a water outlet 2112; the inner tube 212 is installed on the base 211, a nozzle of the inner tube 212 is connected with the water inlet 2111; the outer tube 213 is sleeved in the inner tube 212 The outer part of the outer tube 213 is installed on the base 211, and one nozzle of the outer tube 213 is connected to the water outlet 2112; the plug 214 seals and blocks the other nozzle of the outer tube 213; more than one nozzle can be arranged outside the outer tube 213 in the axial direction.
  • One electric heating film 22 is provided with a water inlet 2111 and a water outlet 2112; the inner tube 212 is installed on the base 211, a nozzle of the inner tube 212 is connected with the water inlet 2111; the outer tube 213 is sleeved in the inner tube 212
  • water enters the outer tube 213 through the water inlet 2111 of the base 211.
  • the electric heating film 22 will heat the water outside the outer tube 213.
  • the hot water flows along the outer tube 213 to form hot water and enters the inner tube 212.
  • the water flowing through the inner tube 212 is surrounded by the water flowing in the outer tube 213. In this way, the water flowing in the inner tube 212 The emitted heat will be absorbed by the water flowing in the outer tube 213, effectively reducing heat loss and improving heating efficiency.
  • the inner tube 212 and the outer tube 213 are installed through the base 211.
  • the water flow interlayer formed between the inner tube 212 and the outer tube 213 constitutes an inlet channel, while the inner tube 212 constitutes an outlet channel, and the water flowing in the outlet channel is
  • the water flowing in the water inlet channel is wrapped, and there is a certain heat exchange between the water flowing in the inner tube 212 and the water in the outer tube 213, so that the thermal deviation between the upward and downward water is reduced.
  • the use of an inner and outer tube structure avoids setting up a separate water inlet and outlet pipe, saving space, and the outer wall of the inner tube is a sandwich space.
  • the heat loss from the water flowing through the inner tube 212 is used to heat the inner tube 212 and the outer tube.
  • the water interlayer of the tube 213 improves the thermal efficiency.
  • the water output from the inner tube 212 is not directly heated by the electric heating film 22, which can effectively reduce the fluctuation of the output water temperature.
  • the heating power can be adjusted so that the outlet water quickly rises to the user set temperature.
  • a support plate 215 is also provided between the inner tube 212 and the outer tube 213.
  • the support plate 215 can be used to stably install the inner tube 212 in the outer tube 213 to ensure the water flow formed between the inner tube 212 and the outer tube 213
  • the thickness of the interlayer is uniform.
  • the support plate 215 can be a ring structure, the support plate 215 is sleeved outside the inner tube 212, the outer edge of the support plate 215 is against the inner tube wall of the outer tube 213, and multiple supports can be arranged along the axis of the inner tube 212.
  • the plate 215 effectively ensures that the distance between the inner tube 212 and the outer tube 213 remains unchanged.
  • the supporting plate 215 has a spiral structure as a whole, and the supporting plate 215 is arranged spirally around the outside of the inner tube 212, and the outer edge of the supporting plate 215 abuts against the inner tube wall of the outer tube 213.
  • the support plate 215 is used to disturb the water flowing in the outer pipe 213 to destroy the boundary layer of the water flow, so as to quickly promote the mixing of cold and hot water and further reduce the water output.
  • the range of temperature fluctuations Specifically, for the support plate 215 adopting the annular structure, a plurality of water holes (not marked) are provided on the support plate 215, and the water flowing in the outer tube 213 passes through the turbulence of the nozzle to mix the cold and hot water.
  • the supporting plate 215 can be arranged obliquely with respect to the axis of the inner tube 212, so as to use the supporting plate 215 to further guide the water flow to cause turbulence.
  • the supporting plate 215 of the spiral structure can guide the water flow to rotate to achieve the purpose of turbulence, and the surface of the supporting plate 215 is provided with a hollow structure, which can more effectively increase the turbulence effect.
  • the phenomenon of film boiling of the water in the outer tube 213 due to the excessive heating temperature can be further reduced or avoided.
  • a heat preservation layer is also provided on the outside of the heating container 21, and the heat preservation layer is used to wrap the heating container 21 on the outside to reduce the generation of the electric heating film 22. The heat is lost to improve the utilization rate of heat energy and reduce energy consumption.
  • a gap is formed between the nozzle of the inner tube 212 and the plug 214 opposite to the plug 214, which can effectively reduce the water resistance caused by the change of the water flow direction.
  • the battery 31 can be connected to the corresponding circuit.
  • the power storage module 3 can output 150V-222V.
  • the high voltage is matched with the mains electricity, or the storage module 3 can output low voltage of 120V lower than the safety voltage of direct current of the human body, preferably 36V-48V.
  • the storage module 3 in the low-voltage power supply mode, is used to store electrical energy and can output a low-voltage voltage of 36V-48V; the storage module 3 can be divided into multiple storage modules, each Including a plurality of batteries 31 arranged in parallel to meet the large current output of the power storage module 3, and a plurality of power storage modules are arranged in series to achieve the output voltage of 36V-48V, and finally meet the requirements of high-power heating water.
  • the output current of the storage module 3 can be controlled to adjust the heating power, on the other hand, it can also be controlled by an electronic control switch.
  • the corresponding electric heating component is turned on and off to adjust the heating power, and the electric control switch can be a relay or an insulated gate bipolar transistor.
  • each power storage module includes a plurality of storage batteries 31 arranged in series, so that the power storage module Output 36V-48V And a plurality of power storage modules are set in parallel to meet the requirements of the power storage module 3 to output a larger current to meet the high power requirements, and each power storage module independently supplies power to the corresponding electric heating component, and the corresponding
  • the charging and discharging module 4 includes: a plurality of charging and discharging electronic modules 41, the charging and discharging electronic module 41 is used to control the corresponding storage module to charge and discharge, wherein the charging and discharging electronic module is also equipped with corresponding charging and discharging units, There is no restriction on the performance entity of the charging and discharging electronic module.
  • a plurality of charging and discharging electronic modules 41 are respectively provided on both sides of the main frame 321, which are located on the same side of the main frame 321.
  • a plurality of charging and discharging electronic modules are arranged in sequence along the longitudinal direction, and a plurality of threading holes 3214 are provided in the middle of the main frame 321 along the longitudinal direction; wherein, for the multiple batteries 31 in the same power storage module, they are located on the same side of the threading holes 3214 and distributed
  • the batteries 31 located on the front of the main frame 321 are serially connected in sequence
  • the batteries 31 located on the back of the main frame 321 are serially connected in sequence
  • the front of the main frame 321 is close to the battery 31 passing through the threading hole 3214.
  • the wire passes through the threading hole 3214 and is connected in series with the battery 31 on the back of the main frame 321 close to the threading hole 3214.
  • the front and back of the main frame 321 are close to the two batteries 31 corresponding to the charging and discharging electronic module 41 and are connected to the charging and discharging electronic module 41 .
  • the storage module 3 outputs high-voltage power of 150V-222V.
  • the storage module 3 can be divided into multiple storage modules, and each storage module includes A plurality of batteries 31 arranged in parallel, and a plurality of power storage modules are arranged in series to output a high voltage of 150V-222V.
  • the power storage module uses a plurality of batteries 31 arranged in parallel to obtain a large enough output current, and Multiple power storage modules are arranged in series to obtain high voltage; preferably, in order to more effectively increase the overall heating power, the electric water heater can also be equipped with an external power discharge module 6, which is used to connect to an external power supply It also supplies power to the remaining electric heating components.
  • the electric energy supplied by the storage module 3 can meet the heating requirements of the electric heating module 2, and when more power is required to output more hot water
  • the external power supply discharge module 6 will provide auxiliary power supply to increase the heating power
  • the external power supply discharge module 6 is connected to the mains and converts the mains power to the same voltage value as the output voltage of the storage module 3, and is used for the electric heating module 2 together.
  • Power supply, and the performance entity of the external power discharging module 6 can refer to the discharge control device of a conventional mains-powered water heater, which is not limited here.
  • the electric heating module 2 can be configured with two heating containers 21, and each heating container is correspondingly equipped with an electric heating component.
  • the electric heating component on one heating container 21 is powered by the power storage module 3, and the other The electric heating components on one heating container 21 can be powered by the external power discharge module 6; or, all the electric heating components on one heating container 21 are powered by the power storage module 3, and for the other heating container 21 Part of the electric heating components are supplied with power through the storage module 3, and the remaining part of the electric heating components are supplied with power through the external power discharge module 6.
  • a fixing seat (not shown) is provided in the housing 1, and the heating vessel 21 is installed on the fixing seat.
  • the clamp is connected by bolts, the heating container 21 is clamped between the clamp and the fixing base, and an insulating partition is provided between the heating container 21, the clamp and the fixing base.
  • the insulating partition is used to realize the insulation installation of the electric heating module 2 On the shell 1.
  • the storage module 3 in Figure 12 it can also output a voltage of 36V-48V. At this time, high-voltage and low-voltage electricity are mixed for power supply.
  • one of the electric heating components on the heating container 21 All of the power is supplied by the power storage module 3, and the electric heating components on the other heating container 21 are all supplied by the external power discharge module 6.
  • the two heating vessels 21 are arranged side by side, and the two heating vessels 21 are connected by a connecting water pipe 23, and a wire conduit 24 is provided between the two heating vessels 21 ,
  • the power supply cable passes through the conduit 24 and is electrically connected to the electric heating component on the corresponding heating container 21; the storage module 3 supplies power to the corresponding electric heating component through the corresponding power supply cable, and the external power discharge module 6 supplies power through the corresponding The cables supply power to the corresponding electric heating components.
  • the two ends of the connecting water pipe 23 form an arc-shaped elbow structure, and the connecting water pipe 23 extends along the outside of the wiring pipe 24.
  • the wiring pipe 24 can protect the power supply cable and reduce the heat released by the electric heating part of the power supply cable.
  • the area between the two heating containers 21 is used to install the wiring pipe 24 and the connecting water pipe 23 to effectively reduce the space occupied by the electric heating module 2.
  • the electric water heater of this embodiment further includes: a flow sensor, which is used to detect the inlet or outlet flow of the electric heating module 2; the first temperature sensor is used for the first temperature sensor.
  • the second temperature sensor, the second temperature sensor is used to detect the temperature of the water outlet 2112; the controller 5 is used to set the parameters according to the user and the flow sensor, the first temperature sensor and the second temperature sensor.
  • the signal detected by the temperature sensor controls the operation of the charging and discharging module 4.
  • the flow sensor can be used to detect the water output of the electric water heater, the first temperature sensor detects the temperature of the incoming cold water, the second temperature sensor detects the temperature of the output hot water, and the controller combines the output temperature value set by the user.
  • the specific control method is: after setting the outlet water temperature, when the flow sensor detects the water flow, according to the first
  • the inlet water temperature detected by the temperature sensor and the water flow detected by the flow sensor are used to calculate the amount of heat required to heat the water, so as to control the power storage module 3 to supply power to the electric heating module 2 to heat the water.
  • the required heat can be calculated according to the temperature difference between the inlet water temperature and the user set temperature and the water flow value, and The required heating power is converted according to the required heat to control the discharge of the storage module 3, and the controller 5 further adjusts the charging and discharging module 4 according to the temperature value of the outlet water detected by the second temperature sensor to make the storage
  • the module is more reasonable to discharge and heat, and the temperature difference of the outlet water temperature is within ⁇ 1°C, which effectively improves the user experience.
  • the discharge power of the storage module is increased; if the temperature value detected by the second temperature sensor is greater than the set temperature When the outlet water temperature, reduce the discharge power of the storage module.
  • the external power supply discharge module 6 is used for auxiliary power supply, when the battery is at the maximum discharge power, if the temperature value detected by the second temperature sensor is less than the set water temperature, the external power discharge module auxiliary is started Supply power to the electric heating module to heat water.

Abstract

一种混合供电式电热水器及其控制方法，混合供电式电热水器包括：外壳（1）；电加热模块（2）包括：加热容器（21），加热容器（21）具有进水口（2111）和出水口（2112）；多个电加热部件，电加热部件设置在加热容器（21）上并用于加热流经加热容器（21）中的水；蓄电模块（3）用于存储电能；充放电模块（4）用于控制蓄电模块（3）进行充电，还用于控制蓄电模块（3）放电以给部分电加热部件进行供电；外接电源放电模块（6）用于接通外部供电电源并对剩余部分电加热部件进行供电；其中，电加热模块（2）、蓄电模块（3）、充放电模块（4）和外接电源放电模块（6）位于外壳（1）中。

Description

混合供电式电热水器及其控制方法 技术领域
本发明属于家用电器技术领域,尤其涉及一种混合供电式电热水器及其控制方法。
 背景技术
目前，热水器是人们日常生活中常用的家用电器，其中，电热水器因其体积小被广泛的使用，而具有即热功能的即热式热水器因其使用便利，被更多的用户所使用，但是，而由于受家用电线对电流的限制，即热式热水器的功率较低，无法满足用户对大流量洗浴的要求。
 技术问题
如何设计一种出热水效率高以满足用户大流量洗浴要求的电热水器是本发明所要解决的技术问题。
 技术解决方案
本发明针对现有技术中存在的上述技术问题，提供一种混合供电式电热水器及其控制方法，通过利用蓄电模块配合市电供电实现大功率加热水，以满足用户大流量洗浴要求，提高了用户体验性。
为实现上述发明目的，本发明采用下述技术方案予以实现：
本发明提供一种混合供电式电热水器，包括：
外壳；
电加热模块，所述电加热模块包括加热容器和多个电加热部件；
所述加热容器具有进水口和出水口；
所述电加热部件设置在所述加热容器上并用于加热流经所述加热容器中的水;
蓄电模块，所述蓄电模块用于存储电能；
充放电模块，所述充放电模块用于控制所述蓄电模块进行充电，还用于控制所述蓄电模块放电以给部分所述电加热部件进行供电；
外接电源放电模块，所述外接电源放电模块用于接通外部供电电源并对剩余部分所述电加热部件进行供电；
其中，所述电加热模块、所述蓄电模块、所述充放电模块和所述外接电源放电模块位于所述外壳中。
进一步的，所述外壳中设置有固定座，所述加热容器电绝缘安装在所述固定座上。
进一步的，所述固定座上通过螺栓连接有卡箍，所述加热容器夹在所述卡箍和所述固定座之间，所述加热容器与所述卡箍和所述固定座之间设置有绝缘隔板。
进一步的，所述蓄电模块包括：多个蓄电模组，每个所述蓄电模组包括多个并联设置的蓄电池，多个所述蓄电模组串联设置。
进一步的，所述蓄电模块包括：多个蓄电模组，每个所述蓄电模组包括多个串联设置的蓄电池，多个所述蓄电模组并联设置。
进一步的，还包括：散热架，所述散热架用于安装所述蓄电池并用于散发所述蓄电池释放的热量，所述散热架位于所述外壳中。
进一步的，还包括：冷却水管，所述冷却水管贴靠在所述散热架上并与所述进水口连接。
进一步的，所述外壳中形成有第一安装腔体和第二安装腔体；所述电加热模块设置在所述第一安装腔体中，所述充放电模块、所述蓄电模块和所述外接电源放电模块设置在所述第二安装腔体中。
进一步的，还包括：流量传感器，所述流量传感器用于检测所述电加热模块的进水或出水流量；第一温度传感器，所述第一温度传感器用于检测所述进水口的进水温度；第二温度传感器，所述第二温度传感器用于检测所述出水口的出水温度；控制器，所述控制器用于根据设定参数以及所述流量传感器、所述第一温度传感器和所述第二温度传感器检测到的信号来控制所述充放电模块运行。
本发明还提供一种上述混合供电式电热水器的控制方法，包括：设定出水温度后，当流量传感器检测到水流量后，根据第一温度传感器检测到的进水温度以及流量传感器检测到的水流量来计算出加热水所需要的热量，以控制蓄电池给电加热模块供电加热水。
进一步的，如果第二温度传感器检测到的温度值小于设定出水温度时，则增大蓄电池的放电功率；如果第二温度传感器检测到的温度值大于设定出水温度时，减小蓄电池的放电功率。
进一步的，在蓄电池处于最大放电功率情况下，如果第二温度传感器检测到的温度值小于设定出水温度时，则启动外接电源放电模块辅助给电加热模块供电加热水。
 有益效果
与现有技术相比，本发明的优点和积极效果是：通过增加采用蓄电模块存储电能进行供电，并配合市电来辅助供电，能够实现大流量即热式供水要求下达到高加热功率的要求，通过利用蓄电模块配合市电供电实现大功率加热水，以满足用户大流量洗浴要求，提高了用户体验性。
 附图说明
图1 为本发明电热水器实施例的结构示意图;
图2 为本发明电热水器实施例中外壳内部的器件分布图之一；
图3为本发明电热水器实施例中蓄电模块的结构示意图之一；
图4为图3中A区域的局部放大示意图；
图5为本发明电热水器实施例中蓄电模块的结构示意图之二；
图6为图5中B区域的局部放大示意图；
图7为本发明电热水器实施例中主架体的结构示意图；
图8为本发明电热水器实施例中电加热模块的结构示意图之一；
图9为本发明电热水器实施例中电加热模块的剖视图；
图10为本发明电热水器实施例中电加热模块的局部结构示意图；
图11为本发明电热水器实施例中外壳内部的器件分布图之二；
图12为本发明电热水器实施例中外壳内部的器件分布图之三；
图13为本发明电热水器实施例中电加热模块的结构示意图之二。
 本发明的最佳实施方式
如图1-图2所示,本实施例热水器包括:外壳1、电加热模块2、蓄电模块3、充放电模块4和控制器5，其中，电加热模块2、蓄电模块3、充放电模块4和控制器5安装在外壳1中，外壳1上设置有进水管101和出水管102，进水管101与外部供水源（例如：自来水管）连接用于引入冷水，而出水管102则用于输出热水。在实际使用过程中，充放电模块4能够对蓄电模块3进行充电和放电控制，并利用蓄电模块3释放的电能供给电加热模块2进行加热，外部供水源输送到电加热模块2中的水经过电加热模块2进行快速加热以实现即热式供水的目的，而通常情况下，热水器上将配置有检测温度的温度传感器和检测水流的流量传感器，控制器5则根据用户设定参数和相关传感器检测到的信号来控制充放电模块4运行。其中，针对上述各个模块的基本功能进行说明：电加热模块2通常包括加热容器和电加热部件，加热容器具有进水口和出水口，供水源输送的水经过进水管101由进水口进入到加热容器中，电加热部件获得电能对加热容器中流动的水进行加热，加热形成的热水从加热容器的出水口输出并通过出水管102输送至外部，而电加热部件可以采用电加热管、电热膜等电加热器件；蓄电模块3则采用若干蓄电池进行存储电能，蓄电池可以采用现有常见的电池类型，例如，锂电池或镍镉电池等，本实施例对蓄电池的具体形式不做限制；充放电模块4通常具有电池充电单元和电池放电单元，电池充电单元则接通市电根据需要来对蓄电池进行充电操作，而电池放电单元则与电加热部件连接，蓄电池释放的电能则通过电池放电单元施加到电加热部件上实现对电加热部件进行供电，电池充电单元和电池放电单元可以采用常规的电池充电电路和电池放电电路形式，在此不做限制；控制器5作为主要的控制部件，能够根据用户设定指令模式来控制电热水器运行，控制器5通常包括电路板及设置在电路板上的控制芯片，而由于采用蓄电池来供电，控制器5还可以配置有电池管理系统（英语：Battery Management System，缩写BMS），利用电池管理系统来对蓄电池进行监控，例如，准确估测动力电池组的荷电状态 (State of Charge，即SOC)，即电池剩余电量，在充放电过程中实时采集每块蓄电池的电压、温度、电流等参数，防止发生过充电或过放电现象，以及单体蓄电池均衡充电以使蓄电模块中各个蓄电池都达到均衡一致的状态等功能，另外，控制器5还可以配置有显示屏或显示触摸屏供用户查看电热水器的运行状态。
而针对本实施例电热水器具有如下几方面的改进，具体结合附图分别进行说明。
一、为了满足电池散热的要求，以提高电池的使用可靠安全性。如图1-图7所示，蓄电模块3包括：若干蓄电池31和散热架32，其中，散热架32用于安装蓄电池31并用于散发蓄电池31释放的热量；蓄电池31与散热架32热传导连接。具体的，散热架32一方面用于将多个蓄电池31进行安装和固定，以方便后期统一组装，另一方面散热架32具有散发蓄电池31释放热量的功能，散热架32可以采用导热材料制成，如铝或铜等导热性能良好的金属。
而为了提高蓄电池31与散热架32之间的热传递效率，蓄电池31通过导热胶粘贴在散热架32上，具体的，在将蓄电池31装配到散热架32上时，则利用导热胶将蓄电池31粘结在散热架32上，一方面导热胶而在工厂组装过程中，利用导热胶能够方便快捷的将蓄电池31粘结组装到散热架32上，以提高组装效率，另一方面导热胶能够起到快速传导热量的作用，蓄电池31产生的热量通过导热胶快速的传递到散热架32上，以提高蓄电池31的热传递效率，这样，便可以利用散热架32快速的吸收蓄电池31产生的热量以实现高效的散热。
而为了增大接触面积，蓄电池31整体呈扁平结构，蓄电池31的背面通过导热胶贴靠在散热架32上，蓄电池31整体为长方体结构，蓄电池31在厚度方向的尺寸最小，这样，将蓄电池31的背面通过导热胶粘结在散热架32上后，可以确保整体设备的厚度尺寸较薄，真正意义上实现轻薄化设计。优选的，为了充分的利用散热架32的正面和背面空间安装更多的蓄电池31，则可以在散热架32的正面和背面分别粘贴蓄电池31，以提高整体设备的蓄电池31配置数量从而有效的增大输出功率。
优选的，为了更加可靠的安装蓄电池31，散热架32包括：主架体321，主架体321上设置有安装凹槽3211，蓄电池31通过导热胶安装在对应的安装凹槽3211中。具体的，主架体321则采用导热材料（例如：铝或铜）制成，以确保主架体321具有良好的导热和散热能力，而主架体321上形成的安装凹槽3211能够独立的安装单个蓄电池31，同时，蓄电池31在安装凹槽3211中能够被安装凹槽3211的底部和两侧部进行限位，以提高组装可靠性。这样，在后期运输和使用过程中，一方面蓄电池31被牢靠的限制在安装凹槽3211中，可以确保蓄电池31在运输过程中的安全可靠性，另一方面蓄电池31之间不会相互挤压影响，更有利于提高使用安全可靠性。其中，安装凹槽3211中还设置有定位板3212，定位板3212用于对蓄电池31配置有两个电极的端面进行定位，定位板3212位于两个电极之间能够对蓄电池31的上下和左右方向进行限位，以进一步的提高组装可靠性。
另外，为了进一步的提高蓄电池31的组装可靠性，避免在运输过程中出现蓄电池31脱落的情况发生，则主架体321上还设置有连接架，利用连接架卡装到主架体321上，连接架将贴靠在蓄电池31的正面，从而使得蓄电池31夹在连接架和主架体321之间。具体的，在组装过程中，蓄电池31再通过导热胶粘结到主架体321上后，再从蓄电池31的外部通过连接架将蓄电池31限制在安装凹槽3211中，依靠安装凹槽3211、定位板3212和连接架的限位作用下，使得蓄电池31能够获得全方位的限位。而由于多块蓄电池31在主架体321上呈阵列布置，则可以通过连接架对位于同一排或同一列上的蓄电池31进行统一的定位安装，更有效的提高整体组装效率。
而上述连接架的结构形式则根据蓄电池31与主架体321的组装方式不同而不同，具体为：对于主架体321的正面或背面安装有蓄电池31的情况下，则主架体321上还设置有多个第一卡接口；散热架32还包括：第一连接架，第一连接架上设置有多个第一卡接连接件；其中，第一卡接连接件卡装在第一卡接口中，蓄电池31夹在主架体321和第一连接架之间，具体的，对于在主架体321一表面上安装蓄电池31的情况下，在蓄电池31通过导热胶粘结在主架体321上后，第一卡接连接件直接卡装到主架体321的第一卡接口中，以完成第一连接架的组装，蓄电池31便夹在第一连接架与主架体321之间，从而可以保证蓄电池31不会从安装凹槽3211中脱离出。
同样的，对于主架体321的正面和背面均设置有蓄电池31的情况下，则在主架体321上还设置有多个通孔3210；散热架32包括：第二连接架322，第二连接架322上设置有多个第二卡接口（未标记）；第三连接架323，第三连接架323上设置有多个第二卡接连接件3231；其中，主架体321位于第二连接架322和第三连接架323之间，第二卡接连接件3231穿过对应的通孔3210卡装在第二卡接口中，部分蓄电池31夹在主架体321和第二连接架322之间，剩余部分蓄电池31夹在主架体321和第三连接架323之间。具体的，在将蓄电池31通过导热胶对应的贴在主架体321的正面和背面后，则第二卡接连接件3231从主架体321的一侧穿过通孔3210卡入到第二卡接口中，此时，第二连接架322和第三连接架323均紧贴在蓄电池31的正面，从而实现对蓄电池31进行紧固。
对于上述记载的第一卡接连接件和第二卡接连接件3231而言，为了实现卡接的功能，以第二卡接连接件3231为例，可以在第二卡接连接件3231的卡接端部形成卡爪，卡爪卡入到第二卡接口中以实现卡接连接。或者，第二卡接连接件3231整体呈板状结构，板状结构的自由端部分别设置有翘起的弹性卡片3232，弹性卡片3232穿过第二卡接口并卡在第二卡接口的边缘，具体的，弹性卡片3232则采用剪裁弯折的方式直接在第二卡接连接件3231的自由端部形成弹性卡片3232，并且，第二卡接连接件3231的自由端部可以在两侧分别形成弹性卡片3232，并且，两侧的弹性卡片3232的翘起方向背向设置，这样，将第二卡接连接件3231的自由端部插入到第二卡接口中后，弹性卡片3232先被压缩进入到第二卡接口中，然后，弹性卡片3232从第二卡接口中伸出并弹性复位，弹性卡片3232将卡在第二卡接口边缘。
进一步的，为了更加有效的对蓄电池31进行散热，蓄电模块3还包括热量收集组件，热量收集组件用于通过散热架32传热来收集蓄电池31释放的热量。具体的，蓄电池31充放电过程中产生的热量传递给散热架32，散热架32传导的部分热量自然散发掉，剩余部分热量则被热量收集组件所吸收，热量收集组件采用主动吸热的方式，能够更加快速高效的吸收热量。而为了充分的利用蓄电池31产生的热量加热水，热量收集组件包括：冷却水管33，冷却水管33贴靠在主架体321上并与所述进水口连接。具体的，在开启电热水器工作产生热水的过程中，外部供水源输入的冷水通过进水管101先进入到冷却水管33中，流经冷却水管33的冷水温度较低，而蓄电池31放电时产生的热量将加热主架体321，利用高温差能够加快冷水与主架体321之间的热传递效率，从而快速的吸收热量，同时，冷却水管33中的冷水吸收热量后进入到电加热模块2中，冷水被蓄电池31释放的热量加热升温，从而可以减小电加热模块2的用电量，以降低能耗，提高热水输出率和输出量；放电过程中产生的热量并用于预热进水管的水温，防止电池温度过高，延长了电池使用寿命，同时提升电池、热水器的使用安全等级，避免了电池的能量的浪费，实现了能量的多级利用，提高热水器能效。冷却水管33在主架体321上往复弯折布置，整体呈蛇形盘管结构，以增大与主架体321之间的热接触面积，以加快散热效率。
其中，为了方便的安装冷却水管33，则可以在主架体321的正面或背面形成与冷却水管33延伸走向相配的管槽3213，冷却水管33位于管槽3213中，这样，使得冷却水管33与主架体321之间的接触面积增大以提高热传递效率，同时，冷却水管33位于管槽3213中不会额外增加蓄电模块3的整体厚度，以保证轻薄化设计。或者，可以在主架体321中形成有夹层结构，冷却水管33位于夹层结构，冷却水管33在夹层结构中能够根据均匀的吸收主架体321两侧的蓄电池31释放的热量，而热量收集组件可以还包括相变蓄热材料，相变蓄热材料填充在夹层结构中，相变蓄热材料能够有效的填充整个夹层结构，以最大限度的提高散热效率。并且，在蓄电模块3充电过程中，蓄电池31释放的热量能够被相变蓄热材料收集，这样，在电热水器启动阶段，便可以利用相变蓄热材料释放的热量来预热冷却水管33中的水，以实现快速输出热水的效果。热量收集组件能够收集蓄电池31充放电和均衡状态下产生的热量，防止电池热量过高，延长电池使用寿命，同时提升电池、电热水器的使用安全等级；另外，利用蓄电池31对电能进行存储，蓄电池31放电时可以实现市电断电，更有效的提高使用安全性，并且，蓄电池31可以满足大功率加热要求，无需保温，同时利用相变材料变耗能为储能，能量多级利用，减少了能源的浪费，且再次使用时无需加热补充和等待。
二、为了满足水电分离，以提高电池的使用可靠安全性。如图1-图3所示，外壳1中形成有第一安装腔体100和第二安装腔体200；其中，电加热模块2设置在第一安装腔体100中，充放电模块4和蓄电模块3设置在第二安装腔体200中。具体的，电加热模块2用于加热水独立的放置于第一安装腔体100中，而充放电模块4和蓄电模块3则安装在第二安装腔体200以实现与电加热模块2隔离布置，在使用过程中，即便出现电加热模块2加热水过程中出现漏水的情况下，从电加热模块2泄露的水只会流到第一安装腔体100中，而不会对第二安装腔体200中的充放电模块4和蓄电模块3造成影响，避免充放电模块4或蓄电模块3被水浸泡而发生短路的情况发生。
而为了实现在外壳1中形成两个隔离的安装腔体，则可以在外壳1中设置隔板11，隔板11将外壳1的内部分隔为第一安装腔体100和第二安装腔体200，具体的，隔板11安装在外壳1中将外壳1的内部空间分割为两部分并形成第一安装腔体100和第二安装腔体200，利用隔板11便可以实现水电隔离，在电加热模块2出现漏水的情况下，水会被隔板11阻挡以避免进入到第二安装腔体200中。同时，在满足水电隔离的情况下，为了实现对电加热模块2进行供电，隔板11上设置有走线孔（未标记），电加热模块2通过供电线缆（未图示）与充放电模块4连接，供电线缆穿过走线孔，走线孔中可以配置有密封圈等结构来进一步的对供电线缆与走线孔之间的间隙进行有效的密封，进一步的提高密封性。另外，隔板11上还可以配置有隔热层，这样，在电加热模块2通电工作过程中，电加热模块2释放到外部的热量能够被隔板11隔离，避免电加热模块2的热量传递至第二安装腔体200中对充放电模块4和蓄电模块3造成影响。
对于采用冷却水管33对蓄电模块3进行散热的情况下，则隔板11上设置有安装孔（未标记），冷却水管33穿过安装孔，同样的，安装孔中也可以配置密封圈等结构来进一步的对冷却水管33与安装孔之间的间隙进行有效的密封。其中，冷却水管33与进水管101的连接部位位于第一安装腔体100中，同样的，冷却水管33与电加热模块2连接的部位也位于第一安装腔体100，而位于第二安装腔体200中的冷却水管33的部分则是一根完整的管体，从而避免冷却水管33的连接部位漏水对第二安装腔体200中的充放电模块4和蓄电模块3造成影响。
三、为了在电加热模块2加热水的过程中，减小输出热水的水温波动范围。如图8-图10所示，电加热模块2包括：加热容器21和电加热部件，而电加热部件可以采用电加热膜22，加热容器21包括：基座211、内管212、外管213和堵头214，基座211上设置有进水口2111和出水口2112；内管212安装在基座211上，内管212的一管口与进水口2111连通；外管213套在内管212的外部并安装在基座211上，外管213的一管口与出水口2112连通；堵头214密封封堵住外管213的另一管口；在外管213的外部沿轴线方向可以布置多个电加热膜22。具体的，在实际使用过程中，水通过基座211的进水口2111进入到外管213中，水在外管213中流动过程中，电加热膜22将在外管213的外部对水进行加热，水沿着外管213流动形成热水并进入到内管212中，而流经内管212中的水流其外部还有在外管213中流动的水的包裹住，这样，内管212流动的水所散发的热量将被外管213中流动的水吸收，有效的减少热损失，提高加热效率。另外，通过基座211来安装内管212和外管213，内管212和外管213之间形成的水流夹层构成进水通道，而内管212则构成出水通道，出水通道中流动的水被进水通道中流动的水包裹住，内管212内水流动过程与外管213内水有一定热交换，从而使得上行和下行水的热偏差减小。并且，采用内外套管结构，避免单独设置一根进出水管，节省空间，且内管外壁为夹层空间，流经212内管的水散发的热损失被利用，来加热流经内管212和外管213夹层的水，提高了热效率，其中，内管212输出的水并不是直接被电加热膜22所加热，可以有效的降低输出水温的波动。而通过调节蓄电模块3的放电电流或者调节使用的电加热膜22的数量，均可调节加热功率从而出水快速升温至用户设定温度。
优选的，在内管212和外管213之间还设置有支撑板215，利用支撑板215能够将内管212稳固的安装在外管213中，确保内管212和外管213之间形成的水流夹层厚度均匀。而支撑板215可以为环形结构，支撑板215套在内管212的外部，支撑板215的外边缘贴靠在外管213的内管壁上，沿内管212的轴线方向可以配置有多个支撑板215，以有效的保证内管212和外管213之间的距离不变。或者，支撑板215整体呈螺旋结构，支撑板215围绕在内管212的外部螺旋布置，支撑板215的外边缘贴靠在外管213的内管壁上。
另外，为了减少出现冷热水分层的情况下，利用支撑板215对外管213中流动的水进行扰动，破坏水流动的边界层，以快速的促进冷热水的混匀，进一步的降低出水温度的波动幅度。具体的，对于采用环形结构的支撑板215而言，则在支撑板215上设置有多个水孔（未标记），在外管213中流动的水经过水口的扰流起到冷热水混匀的目的，而支撑板215可以相对于内管212的轴线倾斜布置，以利用支撑板215对水流进行进一步的导向引起扰流。而对于螺旋结构的支撑板215而言，其自身便可以起到引导水流旋转达到扰流的目的，而支撑板215的表面设置有镂空结构，可以更加有效的增大扰流效果。在支撑板215的扰流作用下，可以进一步的减轻或避免外管213中的水因加热温度过高而出现膜态沸腾的现象。而为了最大限度的利用电加热膜22产生的热量并降低能耗，在加热容器21的外部还设置有保温层，利用保温层在外部整体对加热容器21进行包裹，减少电加热膜22所产生的热量散失，提高热能利用率并降低能耗。同时，内管212与堵头214相对的管口与堵头214之间形成间隔，可以有效的减轻水流流动方向改变而造成的水阻现象。
基于上述技术方案，针对蓄电池31的连接方式也有多种形式，根据蓄电模块3输出的供电电压不同，则可以对蓄电池31进行对应的电路连接，例如：蓄电模块3可以输出150V-222V的高压电以与市电匹配，或者，蓄电模块3可以输出低于人体直流电安全电压120V的低压电，优选为36V-48V低电压。具体结合附图进行如下说明。
如图2所示，低压供电的方式下，蓄电模块3用于存储电能并能输出36V-48V的低压电压；蓄电模块3可以分为多个蓄电模组，每个蓄电模组包括多个并联设置的蓄电池31以满足蓄电模块3输出较大的电流，而多个蓄电模组串联设置以实现输出36V-48V 的电压，最终达到大功率加热水的要求，充放电模块4控制蓄电模块3的输出电流来统一控制电加热模块中各个电加热部件通电加热，而对于充放电模块4的电池放电单元可以配置有多个电控开关，每个电控开关用于连接对应的电加热部件并控制该电加热部件通断电，在实际加热过程中，一方面可以通过控制蓄电模块3的输出电流来调节加热的功率，另一方面还可以通过电控开关来控制对应的电加热部件通断电来调节加热的功率，其中，电控开关可以采用继电器或绝缘栅双极型晶体管。
同样的，针对低压供电的方式还可以采用蓄电池31先串联后并联的方式，如图11所示，每个蓄电模组包括多个串联设置的蓄电池31，这样，便可以使得蓄电模组输出36V-48V 的电压，而多个蓄电模组并联设置以满足蓄电模块3输出较大的电流以满足大功率的要求，每个蓄电模组则独立的为对应的电加热部件供电，相对应的，充放电模块4包括：多个充放电子模块41，充放电子模块41用于控制对应的蓄电模组进行充放电，其中，充放电子模块也配置有对应的充电单元和放电单元，在此不对充放电子模块的表现实体进行限制。另外，对于蓄电池31先串联后并联的方式，为了简化连接过程，如图7所示，主架体321的两侧分别设置有多个充放电子模块41，位于主架体321的同一侧的多个充放电子模块沿纵向依次布置，主架体321的中部沿纵向设置有多个穿线孔3214；其中，对于同一蓄电模组中的多个蓄电池31位于穿线孔3214的同一侧并分布在主架体321的正面和背面，位于主架体321的正面的蓄电池31依次串联，位于主架体321的背面的蓄电池31依次串联，主架体321的正面靠近穿线孔3214的蓄电池31通过导线穿过穿线孔3214与主架体321的背面靠近穿线孔3214的蓄电池31串联，主架体321的正面和背面靠近对应充放电子模块41的两个蓄电池31与该充放电子模块41连接。
如图12所示，高压供电的方式下，蓄电模块3输出150V-222V的高压电，为此，蓄电模块3可以分为多个蓄电模组，而每个蓄电模组包括多个并联设置的蓄电池31，多个蓄电模组串联设置以满足输出150V-222V的高压电，这样，蓄电模组采用多个并联设置的蓄电池31以获得足够大的输出电流，而多个蓄电模组串联设置以获得高电压；优选的，为了更有效的提高整体的加热功率，电热水器还可以配置有外接电源放电模块6，外接电源放电模块6用于接通外部供电电源并对剩余部分电加热部件进行供电，具体的，在常规加热模式下，蓄电模块3供给的电能便能够满足电加热模块2的加热要求，而当需要更大功率来输出更多的热水时，外接电源放电模块6将辅助供电来增大加热功率，外接电源放电模块6与市电连接并将市电转换为与蓄电模块3输出电压相同的电压值，一同为电加热模块2进行供电，而外接电源放电模块6的表现实体可以参考常规市电供电的热水器的放电控制装置，在此不做限制。优选的，电加热模块2可以配置两个加热容器21，而每个加热容器上则对应的配置有电加热部件，其中一加热容器21上的电加热部件通过蓄电模块3进行供电，而另一加热容器21上的电加热部件则可以通过外接电源放电模块6来实现供电；或者，其中一加热容器21上的电加热部件全部通过蓄电模块3进行供电，对于另一加热容器21上的部分电加热部件通过蓄电模块3进行供电，剩余部分电加热部件通过外接电源放电模块6来实现供电。而对于加热容器21上的电加热部件采用高压电供电的情况下，为了提高安全可靠性，外壳1中设置有固定座（未图示），加热容器21安装在固定座上，固定座上通过螺栓连接有卡箍，加热容器21夹在卡箍和固定座之间，加热容器21与卡箍和固定座之间设置有绝缘隔板，利用绝缘隔板来实现电加热模块2绝缘安装在外壳1上。而对于图12中的蓄电模块3而言，也可以输出36V-48V 的电压，此时，高压电和低压电混合供电，这种情况下，则其中一加热容器21上的电加热部件全部通过蓄电模块3进行供电，而另一加热容器21上的电加热部件全部通过外接电源放电模块6来实现供电。
而对于采用两个加热容器21的情况下，如图13所示，两个加热容器21并排布置，两个加热容器21通过连接水管23连接，两个加热容器21之间设置有走线管24，供电线缆穿过走线管24与对应加热容器21上的电加热部件电连接；蓄电模块3通过对应的供电线缆给对应的电加热部件供电，外接电源放电模块6通过对应的供电线缆给对应的电加热部件供电。而连接水管23的两端部形成弧形弯管结构，连接水管23沿走线管24的外侧延伸分布，走线管24能够保护供电线缆，以减少供电线缆受电加热部件释放的热量影响，同时，利用两个加热容器21之间的区域来安装走线管24和连接水管23以有效的缩小电加热模块2的占用空间。
基于上述技术方案，本实施例电热水器，为了精确的控制出水温度，还包括：流量传感器，流量传感器用于检测电加热模块2的进水或出水流量；第一温度传感器，第一温度传感器用于检测进水口2111的进水温度；第二温度传感器，第二温度传感器用于检测出水口2112的出水温度；控制器5用于根据用户设定参数以及流量传感器、第一温度传感器和第二温度传感器检测到的信号来控制充放电模块4运行。具体的，利用流量传感器可以检测出电热水器的出水量，第一温度传感器则检测进入的冷水温度，第二温度传感器检测输出的热水温度，控制器根据用户设定的所需出水温度值并利用检测到的水流量和水温来精确的控制充放电模块4动作以调节蓄电模块3的供电功率，具体控制方法为：设定出水温度后，当流量传感器检测到水流量后，根据第一温度传感器检测到的进水温度以及流量传感器检测到的水流量来计算出加热水所需要的热量，以控制蓄电模块3给电加热模块2供电加热水。具体的，在进水温度、水流和所需出水温度信息得知的情况下，根据进水温度和用户设定温度之间的温差值以及水流量值，便可以计算出所需的热量，并根据所需的热量换算出所需的加热功率，以控制蓄电模块3放电，而控制器5再根据第二温度传感器所检测的出水温度值来进一步的调整充放电模块4，以使得蓄电模块更为合理的放电进行加热，达到出水温度的温差在±1℃的范围内，从而有效的提高用户体验性。根据第二温度传感器反馈的温度信号，如果第二温度传感器检测到的温度值小于设定出水温度时，则增大蓄电模块的放电功率；如果第二温度传感器检测到的温度值大于设定出水温度时，减小蓄电模块的放电功率。优选的，对于采用外接电源放电模块6进行辅助供电的情况下，在蓄电池处于最大放电功率情况下，如果第二温度传感器检测到的温度值小于设定出水温度时，则启动外接电源放电模块辅助给电加热模块供电加热水。

Claims (12)

  1. 混合供电式电热水器，其特征在于，包括：
    外壳；
    电加热模块，所述电加热模块包括加热容器和多个电加热部件；
    所述加热容器具有进水口和出水口；
    所述电加热部件设置在所述加热容器上并用于加热流经所述加热容器中的水;
    蓄电模块，所述蓄电模块用于存储电能；
    充放电模块，所述充放电模块用于控制所述蓄电模块进行充电，还用于控制所述蓄电模块放电以给部分所述电加热部件进行供电；
    外接电源放电模块，所述外接电源放电模块用于接通外部供电电源并对剩余部分所述电加热部件进行供电；
    其中，所述电加热模块、所述蓄电模块、所述充放电模块和所述外接电源放电模块位于所述外壳中。
  2. 根据权利要求1所述的混合供电式电热水器，其特征在于，所述外壳中设置有固定座，所述加热容器电绝缘安装在所述固定座上。
  3. 根据权利要求2所述的混合供电式电热水器，其特征在于，所述固定座上通过螺栓连接有卡箍，所述加热容器夹在所述卡箍和所述固定座之间，所述加热容器与所述卡箍和所述固定座之间设置有绝缘隔板。
  4. 根据权利要求1所述的混合供电式电热水器，其特征在于，所述蓄电模块包括：
    多个蓄电模组，每个所述蓄电模组包括多个并联设置的蓄电池，多个所述蓄电模组串联设置。
  5. 根据权利要求1所述的混合供电式电热水器，其特征在于，所述蓄电模块包括：
    多个蓄电模组，每个所述蓄电模组包括多个串联设置的蓄电池，多个所述蓄电模组并联设置。
  6. 根据权利要求4或5所述的混合供电式电热水器，其特征在于，还包括：
    散热架，所述散热架用于安装所述蓄电池并用于散发所述蓄电池释放的热量，所述散热架位于所述外壳中。
  7. 根据权利要求6所述的混合供电式电热水器，其特征在于，还包括：
    冷却水管，所述冷却水管贴靠在所述散热架上并与所述进水口连接。
  8. 根据权利要求1所述的混合供电式电热水器，其特征在于，所述外壳中形成有第一安装腔体和第二安装腔体；所述电加热模块设置在所述第一安装腔体中，所述充放电模块、所述蓄电模块和所述外接电源放电模块设置在所述第二安装腔体中。
  9. 根据权利要求1所述的混合供电式电热水器，其特征在于，还包括：
    流量传感器，所述流量传感器用于检测所述电加热模块的进水或出水流量；
    第一温度传感器，所述第一温度传感器用于检测所述进水口的进水温度；
    第二温度传感器，所述第二温度传感器用于检测所述出水口的出水温度；
    控制器，所述控制器用于根据设定参数以及所述流量传感器、所述第一温度传感器和所述第二温度传感器检测到的信号来控制所述充放电模块运行。
  10. 一种如权利要求9所述的混合供电式电热水器的控制方法，其特征在于，包括：设定出水温度后，当流量传感器检测到水流量后，根据第一温度传感器检测到的进水温度以及流量传感器检测到的水流量来计算出加热水所需要的热量，以控制蓄电模块给电加热模块供电加热水。
  11. 根据权利要求10所述的混合供电式电热水器的控制方法，其特征在于，如果第二温度传感器检测到的温度值小于设定出水温度时，则增大蓄电模块的放电功率；如果第二温度传感器检测到的温度值大于设定出水温度时，减小蓄电模块的放电功率。
  12. 根据权利要求10所述的混合供电式电热水器的控制方法，其特征在于，在蓄电池处于最大放电功率情况下，如果第二温度传感器检测到的温度值小于设定出水温度时，则启动外接电源放电模块辅助给电加热模块供电加热水。
PCT/CN2019/083576 2019-04-02 2019-04-20 混合供电式电热水器及其控制方法 WO2020199265A1 (zh)

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