CN110657616A - Instant heating and cooling type water supply system and drinking water equipment - Google Patents
Instant heating and cooling type water supply system and drinking water equipment Download PDFInfo
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- CN110657616A CN110657616A CN201910954361.2A CN201910954361A CN110657616A CN 110657616 A CN110657616 A CN 110657616A CN 201910954361 A CN201910954361 A CN 201910954361A CN 110657616 A CN110657616 A CN 110657616A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/005—Devices using other cold materials; Devices using cold-storage bodies combined with heat exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/20—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes
- F24H1/201—Water-storage heaters with immersed heating elements, e.g. electric elements or furnace tubes using electric energy supply
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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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2021—Storage heaters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/02—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat
- F28D20/021—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using latent heat the latent heat storage material and the heat-exchanging means being enclosed in one container
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- 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
- Y02E60/14—Thermal energy storage
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Devices That Are Associated With Refrigeration Equipment (AREA)
Abstract
The invention provides an instant heating and cooling type water supply system, which comprises a water tank, a water tank pipeline, a cold accumulation mechanism, a heat accumulation mechanism, a water outlet pipeline and a pumping device, wherein the water tank pipeline is connected with the cold accumulation mechanism; the cold accumulation mechanism comprises a phase change cold accumulation body, a refrigeration module for refrigerating the phase change cold accumulation body and a first pipeline, the phase change cold accumulation body is contacted with the first pipeline, and the first pipeline is connected between the water tank pipeline and the water outlet pipeline; the heat storage mechanism comprises a phase-change heat accumulator, a heating module for heating the phase-change heat accumulator and a second pipeline, the phase-change heat accumulator is in contact with the second pipeline, and the second pipeline is connected between the water tank pipeline and the water outlet pipeline; the pumping device is arranged on a water tank pipeline or a water outlet pipeline. In addition, the invention also provides drinking water equipment with the instant heating and cooling water supply system. The invention can effectively store heat and cold, instantly provide hot water and cold water, avoid repeated refrigeration or heating, save energy and protect environment.
Description
Technical Field
The invention relates to the technology of drinking water electrical appliances, in particular to an instant heating and instant cooling water supply system and drinking water equipment.
Background
At present, drinking water equipment on the market mainly comprises cold and hot type drinking water equipment which can be divided into warm type, ice type and ice and hot type, wherein the ice and hot type drinking water equipment is divided into semiconductor direct cooling type cold and hot drinking water equipment and compression type refrigerating drinking water equipment.
When the semiconductor direct-cooling cold and hot drinking water device is used, normal-temperature water is provided by the water tank, then the water is divided into two paths, one path of water enters the cold container and is cooled by the semiconductor to discharge cold water, and the other path of water enters the hot container and is heated to discharge hot water; the difference between the compression type refrigeration drinking water equipment and the semiconductor direct-cooling type cold and hot drinking water equipment is that a compressor is adopted in the cold liner to refrigerate water. The refrigeration and heating technologies of the two types of drinking water equipment are mature and stable, the application is common, but some defects exist, the ice liner for storing cold water and the liner for storing hot water are independently arranged, a certain amount of water needs to be stored for drinking after refrigeration or heating, the occupied space is large, meanwhile, the ice liner and the hot liner can not effectively store cold or heat for a long time, and water in the hot liner forms 'rolling water' after being continuously and repeatedly heated, so that the two types of drinking water equipment are not beneficial to human health. In addition, when the compressor is used for refrigeration, the compressor can generate gas harmful to the atmosphere, and the environment protection is not facilitated.
Aiming at the defects that the hot liner occupies a large space and needs to be heated repeatedly, the water drinking device without the hot liner is provided, namely water is quickly heated by a heating element with the power of several kilowatts, the hot liner is not needed to store hot water, the formation of 'thousand boiling water' can be avoided, but the water outlet speed is slow, and the high-power heating element has certain potential safety hazard and high energy consumption. Therefore, the cold container/hot container occupies a large space, cannot effectively store cold or heat, and has large energy consumption, which is still a prominent technical problem of the drinking water equipment.
Disclosure of Invention
The invention aims to provide an instant heating and cooling water supply system, which can effectively store heat and cold, provide hot water and cold water instantly, avoid repeated refrigeration or heating, save energy and protect environment.
In order to solve the technical problems, the invention provides an instant heating and cooling type water supply system, which comprises a water tank, a water tank pipeline, a cold accumulation mechanism, a heat accumulation mechanism, a water outlet pipeline and a pumping device, wherein the water tank pipeline is connected with the cold accumulation mechanism; the cold accumulation mechanism comprises a phase change cold accumulation body, a refrigeration module for refrigerating the phase change cold accumulation body and a first pipeline, the phase change cold accumulation body is in contact with the first pipeline, and the first pipeline is connected between the water tank pipeline and the water outlet pipeline; the heat storage mechanism comprises a phase-change heat storage body, a heating module for heating the phase-change heat storage body and a second pipeline, the phase-change heat storage body is in contact with the second pipeline, and the second pipeline is connected between the water tank pipeline and the water outlet pipeline; the pumping device is arranged on the water tank pipeline or the water outlet pipeline.
Preferably, the phase change cold storage body is a phase change cold storage body provided with a phase change material of crystalline hydrated salts, paraffin, metal or alloy with a phase change temperature of 5-10 ℃, and the phase change heat storage body is a phase change heat storage body provided with a phase change material of crystalline hydrated salts, paraffin, non-paraffin organic material, metal or alloy with a phase change temperature of 45-75 ℃.
Preferably, the pumping means is provided on the tank line.
As a preferred specific mode, the first pipeline comprises a first cold supply branch and a second cold supply branch connected with the first cold supply branch in parallel, the first cold supply branch is provided with a cold supply unit water pump, a cold supply unit water tank and a refrigeration module, the second cold supply branch is provided with the phase change cold storage body and a cold supply unit valve, a connection section between the first cold supply branch and a water outlet end of the second cold supply branch and the water outlet pipeline is provided with a cold supply unit check valve, and a reverse port of the cold supply unit check valve is connected to the water outlet pipeline.
Preferably, the phase change cold storage body is including setting up cavity structures on the cold supply second branch road is provided with cold-storage phase change material in this cavity structures, the cold supply second branch road passes cold-storage phase change material's inside, the cold supply second branch road is located the pipeline section in the cold-storage phase change material is the heat conduction material shaping and is the form of spiraling.
Further preferably, a cooling water level monitor is arranged in the cooling unit water tank.
More preferably, the refrigeration module comprises a semiconductor refrigeration chip, a radiator contacted with the hot end of the semiconductor refrigeration chip and a heat exchange water tank, the heat exchange water tank is arranged on the cold supply first branch, one side of the heat exchange water tank is provided with or integrally formed with a heat exchange piece, the inner surface of the heat exchange piece is exposed in the inner cavity of the heat exchange water tank, and the cold end of the semiconductor refrigeration chip is contacted with the heat exchange piece.
As another preferred specific embodiment, the second pipeline includes a first heat supply branch and a second heat supply branch connected in parallel with the first heat supply branch, the first heat supply branch is provided with a heat supply unit water pump, a heat supply unit water tank and the heating module, the second heat supply branch is provided with the phase change heat accumulator and a heat supply unit valve, a connection section between a water outlet end connection point of the first heat supply branch and the second heat supply branch and the water outlet pipeline is provided with a heat supply unit check valve, and a reverse port of the heat supply unit check valve is connected to the water outlet pipeline.
Preferably, the phase change heat accumulator is including setting up cavity structure on the heat supply second branch road is provided with heat accumulation phase change material in this cavity structure, the heat supply second branch road passes heat accumulation phase change material's inside, the heat supply second branch road is located the pipe section in the heat accumulation phase change material is the heat conduction material shaping and is the form of spiraling.
Further preferably, a heating water level monitor is arranged in the heating unit water tank.
More preferably, the heating module includes the heating cabinet and is located electric heating pipe in the heating cabinet, the first branch road of heat supply passes the inner chamber of heating cabinet, just the first branch road of heat supply is located the pipeline section in the heating cabinet is the heat conduction material shaping, electric heating pipe convolutes the surface of the first branch road of heat supply.
In a second aspect, the present invention provides a drinking water apparatus, comprising a body and the above instant heating and cooling water supply system.
According to the technical scheme, the instant heating and cooling water supply system is respectively provided with the refrigerating module and the phase change cold storage body for forming cold water, the heating module and the phase change heat storage body for forming hot water, the phase change cold storage body is refrigerated by the refrigerating module, a large amount of heat is rapidly absorbed by the phase change cold storage body from a solid state to a liquid state, and the phase change cold storage body is in heat transfer with normal temperature water in a first pipeline, so that the water is rapidly cooled for a user to drink, meanwhile, the phase change heat storage body is heated by the heating module, a large amount of heat is rapidly released by the phase change heat storage body from the liquid state to the solid state, and the phase change heat storage body exchanges heat with the normal temperature water in a second pipeline, so that the water is rapidly heated for the. The water supply system utilizes the performance that the phase-change material can stably store cold or heat and the heat absorption or release speed is high during phase change, can realize instant refrigeration or heating of normal-temperature water, does not need to independently set a cold liner or a hot liner, and is safe and environment-friendly.
In a preferred embodiment, a first pipeline in the cold storage mechanism is divided into a first cold supply branch and a second cold supply branch, a second pipeline in the heat storage mechanism is divided into a first heat supply branch and a second heat supply branch, a circulation water path containing a refrigeration module and a cold storage phase-change material is formed in the first pipeline to refrigerate the cold storage phase-change material, a circulation water path containing a heating module and a heat storage phase-change material is formed in the second pipeline to heat the heat storage phase-change material, so that the condition that the phase-change material is directly cooled or heated by the refrigeration module or the heating module in a single point manner to cause uneven heating is avoided, and the effect of cooling or heating the phase-change material is effectively improved; simultaneously when the work load that the output is great, surpass phase change material, the first branch of confession cold can directly refrigerate to normal atmospheric temperature water as the cryogenic auxiliary device of phase change cold-storage body, and the first branch of heat supply can directly heat normal atmospheric temperature water as the auxiliary device that the phase change heat-storage body heated to satisfy user's demand temporarily, make this water supply system's functional more comprehensive, humanized.
Further advantages of the present invention, as well as the technical effects of preferred embodiments, are further described in the following detailed description.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the instant hot and cold water supply system of the present invention;
fig. 2 is a schematic structural diagram of an embodiment of a phase-change cold storage body and a cold supply second branch circuit according to the present invention;
FIG. 3 is a schematic diagram of a refrigeration module according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of an embodiment of the heating module of the present invention.
Description of the reference numerals
1 water tank 2 water tank pipeline
3 cold-storage mechanism 31 phase change cold-storage body
32 refrigeration module 321 semiconductor refrigeration chip
322 radiator 323 heat exchange water tank
33 first pipeline 331 cooling first branch
332 cooling second branch 333 cooling unit water pump
334 cooling unit water tank 335 cooling unit valve
336 cooling unit check valve 337 cooling water level monitor
34 cold accumulation phase change material 4 heat accumulation mechanism
41 phase-change heat accumulator 42 heating module
421 heating box 422 electric heating pipe
43 second conduit 431 supplies the first branch
432 heat supply second branch 433 heat supply unit water pump
434 heating unit water tank 435 heating unit valve
436 heating unit check valve 437 heating water level monitor
44 heat storage phase change material 5 water outlet pipeline
6 pumping device
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "in contact with," and "in communication with" are to be construed broadly, e.g., the contact may be a direct intimate contact or an indirect contact through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The instant heating and cooling water supply system provided by the first aspect of the invention, as shown in fig. 1, comprises a water tank 1, a water tank pipeline 2, a cold accumulation mechanism 3, a heat accumulation mechanism 4, a water outlet pipeline 5 and a pumping device 6; the cold accumulation mechanism 3 comprises a phase change cold accumulation body 31, a refrigeration module 32 for refrigerating the phase change cold accumulation body 31 and a first pipeline 33, the phase change cold accumulation body 31 is contacted with the first pipeline 33, and the first pipeline 33 is connected between the water tank pipeline 2 and the water outlet pipeline 5; the heat storage mechanism 4 comprises a phase-change heat storage body 41, a heating module 42 for heating the phase-change heat storage body 41 and a second pipeline 43, the phase-change heat storage body 41 is in contact with the second pipeline 43, and the second pipeline 43 is connected between the water tank pipeline 2 and the water outlet pipeline 5; the pumping means 6 is arranged on the tank line 2 or on the outlet line 5.
It should be noted that, when the refrigeration module 32 performs refrigeration on the phase change cold storage body 31, the refrigeration module 32 may directly contact with the outside or inside of the phase change cold storage body 31 to transfer heat, or the refrigeration module 32 and the phase change cold storage body 31 may perform heat transfer through a heat exchange member or a circulation fluid path, so that the temperature of the phase change cold storage body 31 meets the set requirement; similarly, when the heating module 42 heats the phase-change heat storage body 41, the phase-change heat storage body may be in direct contact with the heating module, or may be in heat transfer via a heat exchanger or a circulation fluid path. In the present invention, the phase change temperature of the phase change regenerator 31 is lower than room temperature, the phase change temperature of the phase change regenerator 41 is higher than room temperature, and the phase change regenerator 31 and the phase change regenerator 41 may comprise any one of phase change materials such as crystalline hydrated salt, paraffin, non-paraffin organic materials, metals and alloys, ceramic matrix composite materials, or a mixed phase change material formed by mixing the above phase change materials.
When the instant heating and cooling water supply system adopting the basic technical scheme is used, the phase-change cold storage body 31 is firstly cooled by the cooling module 32, so that the phase-change cold storage body 31 reaches the temperature below the phase-change temperature thereof, and the phase-change cold storage body 31 is in a solid state; the phase-change heat accumulator 41 is heated by the heating module 42, so that the phase-change heat accumulator 41 reaches a temperature higher than the phase-change temperature thereof, and the phase-change heat accumulator 41 is in a liquid state. When cold water needs to be supplied, the normal-temperature water in the water tank 1 enters the first pipeline 33 from the water tank 1 through the water tank pipeline 2 under the action of the pumping device 6, and when the normal-temperature water flows through the phase change cold storage body 31 in the first pipeline 33, the heat exchange is carried out between the phase change cold storage body 31 and the phase change cold storage body 33 through the first pipeline 33, the phase change cold storage body 31 is changed from a solid state to a liquid state, a large amount of heat is rapidly absorbed, the normal-temperature water is rapidly refrigerated and then enters the water outlet pipeline 5 from the first pipeline 33 to be discharged, and the instant; when hot water needs to be supplied, the normal-temperature water in the water tank 1 enters the second pipeline 43 from the water tank 1 through the water tank pipeline 2 under the action of the pumping device 6, and when the normal-temperature water flows through the phase-change heat accumulator 41 in the second pipeline 43, the normal-temperature water exchanges heat with the phase-change heat accumulator 41 through the second pipeline 43, the phase-change heat accumulator 41 is changed from a liquid state to a solid state, a large amount of heat is rapidly released, the normal-temperature water is rapidly heated and then enters the water outlet pipeline 5 from the second pipeline 43 to be discharged, and instant hot water supply is realized.
In a preferred embodiment of the present invention, the phase change regenerator 31 is a phase change regenerator provided with a phase change material of crystalline hydrated salts, paraffin, metal or alloy having a phase change temperature of 5 to 10 ℃, and the phase change regenerator 41 is a phase change regenerator provided with a phase change material of crystalline hydrated salts, paraffin, non-paraffin organic material, metal or alloy having a phase change temperature of 45 to 75 ℃. It should be noted that materials for enhancing heat conduction, such as metal materials and carbon nanotubes, may be added to the phase change cold storage body 31 and the phase change heat storage body 41 in the present invention to accelerate the heat transfer between the normal temperature water in the pipeline and the phase change material.
It should be further noted that the phase change material in the phase change cold storage body 31 may also be configured in a manner that multiple phase change materials are arranged in multiple layers according to the phase change temperature, and the phase change temperature of the multiple layers of phase change materials for cold storage decreases with the water outlet direction of the cold water; the phase change materials in the phase change heat accumulator 41 may also be arranged in multiple layers according to the phase change temperature, and the phase change temperature of the multiple layers of phase change materials for heat accumulation increases with the water outlet direction of the hot water.
As a preferred embodiment of the invention, a pumping device 6 is provided on the tank line 2.
As a preferred embodiment of the present invention, the first pipeline 33 includes a first cooling branch 331 and a second cooling branch 332 connected in parallel with the first cooling branch 331, the first cooling branch 331 is provided with a cooling unit water pump 333, a cooling unit water tank 334 and a refrigeration module 32, the second cooling branch 332 is provided with a phase change cold storage body 31 and a cooling unit valve 335, a connection section between a connection point of water outlet ends of the first and second cooling branches 331 and 332 and the water outlet pipeline 5 is provided with a cooling unit check valve 336, and a reverse port of the cooling unit check valve 336 is connected to the water outlet pipeline 5. It should be noted that the connection point of the water outlet end of the cooling first branch 331 and the cooling second branch 332 refers to the connection point of the cooling first branch 331 and the cooling second branch 332 at the end far from the pumping device 6.
In this embodiment, when water is not needed to be supplied, the phase change cold storage body 31 is cooled, the pumping device 6 and the cold supply unit valve 335 are opened, the first branch 331 of cold supply is closed, water in the water tank 1 enters the second branch 332 of cold supply through the water tank pipeline 2, the water is injected into the water tank 334 of cold supply unit from the cold supply unit valve 335, after the water tank 334 of cold supply unit is filled, the pumping device 6 is closed, the water pump 333 of cold supply unit is opened, the first branch 331 of cold supply and the second branch 332 of cold supply form a circulating water path, the refrigeration module 32 is operated, the circulating water in the circulating water path continuously exchanges heat with the refrigeration module 32 to reduce the temperature of the circulating water, and the circulating water also exchanges heat with the phase change cold storage body 31 to reduce the temperature of the phase change cold storage body 31 to below the phase change temperature thereof, at this time, the refrigeration module 32 is stopped, the cooling unit water pump 333 is turned off; when water needs to be supplied, the pumping device 6, the cold supply unit valve 335 and the cold supply unit check valve 336 are opened, the normal temperature water in the water tank 1 enters the cold supply second branch 332 through the water tank pipeline 2, and when the normal temperature water flows through the phase change cold storage body 31, the normal temperature water exchanges heat with the phase change cold storage body 31 through the cold supply second branch 332, the phase change cold storage body 31 is changed from a solid state to a liquid state to absorb a large amount of heat, and after the normal temperature water is cooled, the normal temperature water enters the water outlet pipeline 5 through the cold supply unit check valve 336 and flows out. It should be noted that, at this time, a small amount of water may enter the cooling unit water tank 334 from the connection point of the water outlet ends of the cooling first branch 331 and the cooling second branch 332, but the cooling unit water tank 334 is in a sealed state, the cooling unit water pump 333 is in a closed state, the amount of water shunted into the cooling unit water tank 334 is limited, and the water outlet amount of the water outlet pipeline 5 is not significantly affected.
In this embodiment, it should be further described that, when the required cold water supply amount is large, the water yield of the cold water exceeds the working load of the phase change cold storage body 31, that is, when the phase change cold storage body 31 is completely converted from a solid state to a liquid state and cannot continuously absorb heat to cool water, the cold supply unit valve 335 may be closed, and the cold supply unit water pump 333 is opened, at this time, water in the water tank 1 directly enters the cold supply first branch 331 through the pumping device 6, and when flowing through the refrigeration module 32, the normal temperature water in the cold supply first branch 331 is directly cooled by the refrigeration module 32, so as to achieve a certain refrigeration effect, and the refrigeration module 32 and the cold supply first branch 331 are used as auxiliary devices for cooling the phase change cold storage body 31, so as to temporarily meet the requirements of users.
Further, as shown in fig. 2, the phase change cold storage body 31 includes a cavity structure disposed on the cold supply second branch 332, the cold storage phase change material 34 is disposed in the cavity structure, the cold supply second branch 332 penetrates through the inside of the cold storage phase change material 34, and a pipe section of the cold supply second branch 332 located in the cold storage phase change material 34 is formed by a heat conductive material and is in a spiral shape, so that a contact area between the cold supply second branch 332 and the cold storage phase change material 34 can be increased. When the circulating water path is used for refrigerating the cold accumulation phase change material 34, the refrigerating time of the water flow in the cold supply second branch 332 on the cold accumulation phase change material 34 is prolonged, and the condition of uneven heat transfer caused by single-point refrigeration of the cold accumulation phase change material 34 can be effectively avoided; when the cold storage phase change material 34 is used for rapidly refrigerating the normal temperature water, the heat transfer time between the normal temperature water and the cold storage phase change material 34 is further increased, and the refrigerating effect on the normal temperature water in the cold supply second branch 332 is faster and better.
Specifically, a cooling water level monitor 337 is disposed in the cooling unit water tank 334 for monitoring the water level in the cooling unit water tank 334, the cooling water level monitor 337 may be connected to a controller of the water supply system, and after the cooling unit water tank 334 is fully filled with water, the pumping device 6 is automatically controlled to be turned off by the controller, the cooling unit water pump 333 is turned on, and the refrigeration module 32 is operated to cool and store the phase change cold storage body 31.
As a preferred embodiment of the refrigeration module of the present invention, as shown in fig. 3, the refrigeration module 32 includes a semiconductor refrigeration chip 321, a heat sink 322 contacting with the hot end of the semiconductor refrigeration chip 321, and a heat exchange water tank 323, the heat exchange water tank 323 is disposed on the first cold supply branch 331, a heat exchange member having an inner surface exposed to the inner cavity of the heat exchange water tank 323 is disposed on one side of the heat exchange water tank 323 or integrally formed with the heat exchange member, and the cold end of the semiconductor refrigeration chip 321 contacts with the heat exchange member. When the water in the circulation water path formed by the cooling first branch 331 and the cooling second branch 332 flows through the heat exchange water tank 323, heat is continuously transferred to the cold end of the semiconductor refrigeration chip 321 through the heat exchange member, so that the temperature of the circulating water is reduced, and meanwhile, the heat end of the semiconductor refrigeration chip 321 is radiated through the radiator 322, so that the refrigeration performance of the semiconductor refrigeration chip 321 is improved.
As another preferred embodiment of the present invention, the second pipeline 43 includes a heat supply first branch 431 and a heat supply second branch 432 connected in parallel to the heat supply first branch 431, the heat supply first branch 431 is provided with a heat supply unit water pump 433, a heat supply unit water tank 434 and a heating module 42, the heat supply second branch 432 is provided with a phase change heat accumulator 41 and a heat supply unit valve 435, a connection section between a connection point of a water outlet end of the heat supply first branch 431 and the heat supply second branch 432 and the water outlet pipeline 5 is provided with a heat supply unit check valve 436, and a reverse port of the heat supply unit check valve 436 is connected to the water outlet pipeline 5. It should be noted that the connection point of the water outlet end of the heating first branch 431 and the heating second branch 432 refers to the connection point of the heating first branch 431 and the heating second branch 432 away from the end of the pumping device 6.
In this embodiment, when no water is needed, the phase change heat accumulator 41 is heated, the pumping device 6 and the heat supply unit valve 435 are opened, the first branch 431 is closed, the water in the water tank 1 enters the second branch 432 via the tank pipe 2, and is injected into the water tank 434 from the heat supply unit valve 435, when the water in the water tank 434 of the heat supply unit is filled, the pumping device 6 is turned off, the water pump 433 of the heat supply unit is turned on, the first branch 431 of the heat supply and the second branch 432 of the heat supply form a circulating water path, the heating module 42 is operated, the circulating water in the circulating water path and the heating module 42 are continuously subjected to heat exchange to raise the water temperature, meanwhile, the circulating water and the phase-change heat accumulator 41 also exchange heat to raise the temperature of the phase-change heat accumulator 41, so that the phase-change heat accumulator 41 reaches above the phase-change temperature, the heating module 42 stops running, and the heat supply unit water pump 433 is turned off; when water needs to be supplied, the pumping device 6, the heat supply unit valve 435 and the heat supply unit one-way valve 436 are opened, the normal-temperature water in the water tank 1 enters the heat supply second branch 432 through the water tank pipeline 2, and when the normal-temperature water flows through the phase-change heat accumulator 41, the normal-temperature water exchanges heat with the phase-change heat accumulator 41 through the heat supply second branch 432, the phase-change heat accumulator 41 is changed from a liquid state to a solid state, a large amount of heat is rapidly released, and the normal-temperature water enters the water outlet pipeline 5 through the heat supply unit one-way valve 436 after. It should be noted that, at this time, a small amount of water may enter the heat supply unit water tank 434 from the connection point of the water outlet ends of the heat supply first branch 431 and the heat supply second branch 432, but the heat supply unit water tank 434 is in a sealed state, the heat supply unit water pump 433 is in a closed state, the amount of water shunted into the heat supply unit water tank 434 is limited, and the water output of the water outlet pipeline 5 is not significantly affected.
In this embodiment, it should also be noted that, when the required hot water supply amount is large, the water yield of the hot water exceeds the workload of the phase-change heat storage body 41, that is, the phase-change heat storage body 41 is completely converted from the liquid state to the solid state and cannot release heat continuously to heat water, the heat supply unit valve 435 may be closed, the heat supply unit water pump 433 may be opened, at this time, water in the water tank 1 directly enters the heat supply first branch 431 through the pumping device 6, and when flowing through the heating module 42, the heating module 42 is used to directly heat normal-temperature water in the heat supply first branch 431, so as to achieve a certain heating effect, and the heating module 42 and the heat supply first branch 431 are used as auxiliary devices for heating the phase-change heat storage body 41, so as to temporarily meet the user's demand.
Further, the phase-change heat accumulator 41 includes a cavity structure disposed on the heat supply second branch 432, a heat storage phase-change material 44 is disposed in the cavity structure, the heat supply second branch 432 passes through the inside of the heat storage phase-change material 44, and a pipe section of the heat supply second branch 432 located in the heat storage phase-change material 44 is formed by a heat conduction material and is in a spiral shape, so that a contact area between the heat supply second branch 432 and the heat storage phase-change material 44 can be increased. When the circulating water path is used for heating the heat storage phase change material 44, the heating time of the water flow in the heat supply second branch 432 to the heat storage phase change material 44 is prolonged, and the conditions of overhigh local temperature and uneven heat transfer during single-point heating of the heat storage phase change material 44 can be effectively avoided; when the heat storage phase change material 44 is used for rapidly heating the normal temperature water, the heat transfer time between the normal temperature water and the heat storage phase change material 44 is further increased, and the heating effect on the normal temperature water in the heat supply second branch 432 is faster and better.
Specifically, a heating water level monitor 437 is disposed in the heating unit water tank 434 and used for monitoring the water level in the heating unit water tank 434, the heating water level monitor 437 may be connected to a controller of the water supply system, and after it is monitored that the water in the heating unit water tank 434 is filled, the pumping device 6 is automatically controlled to be turned off by the controller, the heating unit water pump 433 is turned on, and the phase change heat accumulator 41 is heated by the heating module 42.
As a preferred embodiment of the heating module in the present invention, as shown in fig. 4, the heating module 42 includes a heating box 421 and an electric heating pipe 422 located in the heating box 421, a first heat supply branch 431 passes through an inner cavity of the heating box 421, a pipe section of the first heat supply branch 431 located in the heating box 421 is formed of a heat conductive material, and the electric heating pipe 422 is coiled on an outer surface of the first heat supply branch 431. When the water in the circulation water path formed by the first heat supply branch 431 and the second heat supply branch 432 flows through the heating box 421, the water in the first heat supply branch 431 is heated by the electric heating pipe 422, so that the water temperature in the circulation water path is increased, and the phase-change heat accumulator 41 is further heated.
In a relatively optimized embodiment of the present invention, when water supply is not needed, the cold storage phase change material 34 is cooled and the heat storage phase change material 44 is heated, the pumping device 6, the cold supply unit valve 335 and the heat supply unit valve 435 are opened, the cold supply first branch 331 and the heat supply first branch 431 are in a closed state, water in the water tank 1 enters the cold supply second branch 332 and the heat supply second branch 432 through the water tank pipeline 2, and is respectively injected into the cold supply unit water tank 334 and the heat supply unit water tank 434, after the cold supply unit water tank 334 and the heat supply unit water tank 434 are filled with water, the pumping device 6 is closed, and the cold supply unit water pump 333 and the heat supply unit water pump 433 are opened, at this time, the cold supply first branch 331 and the cold supply second branch 332 form a refrigeration cycle water path, and the heat supply first branch 431 and the heat supply second branch 432 form a heating cycle water path; operating the semiconductor refrigeration chip 321 and the radiator 322 to enable the circulating water in the refrigeration circulating water path to continuously exchange heat with the semiconductor refrigeration chip 321 through the heat exchange piece to reduce the water temperature, meanwhile, the circulating water exchanges heat with the cold accumulation phase-change material 34 to reduce the temperature of the cold accumulation phase-change material 34 to enable the cold accumulation phase-change material 34 to reach the temperature below the phase-change temperature of the cold accumulation phase-change material, at the moment, stopping operating the semiconductor refrigeration chip 321 and the radiator 322, and closing the water pump 333 of the cold supply unit; and operating the electric heating pipe 422 to heat the circulating water in the heating circulating water channel, further heating the heat storage phase change material 44 to be above the phase change temperature, stopping operating the electric heating pipe 422 at the moment, and turning off the water pump 433 of the heat supply unit.
When cold water needs to be supplied, the pumping device 6 and the one-way valve 336 of the cooling unit are opened, the normal-temperature water in the water tank 1 enters the second cooling branch 332 through the water tank pipeline 2, and when the normal-temperature water flows through the cold accumulation phase-change material 34, heat exchange is carried out between the second cooling branch 332 and the cold accumulation phase-change material 34, the cold accumulation phase-change material 34 is changed from a solid state to a liquid state to absorb a large amount of heat, and the normal-temperature water enters the water outlet pipeline 5 through the one-way valve 336 of the cooling unit to flow out after being refrigerated; if the cold storage phase change material 34 is completely converted into a liquid state and cold water is still required to be supplied, the cold supply unit valve 335 can be closed, the cold supply unit water pump 333, the semiconductor refrigeration chip 321 and the radiator 322 can be opened, water in the water tank 1 directly enters the cold supply first branch 331 through the pumping device 6, heat exchange is directly carried out between the water and the cold end of the semiconductor refrigeration chip 321 when the water flows through the heat exchange water tank 323, and the water is refrigerated and then flows out from the water outlet pipeline 5.
When hot water needs to be supplied, the pumping device 6 and the one-way valve 436 of the heat supply unit are opened, normal-temperature water in the water tank 1 enters the heat supply second branch 432 through the water tank pipeline 2, and when the normal-temperature water flows through the heat storage phase-change material 44, heat exchange is carried out between the heat supply second branch 432 and the heat storage phase-change material 44, the heat storage phase-change material 44 is changed from a liquid state to a solid state, a large amount of heat is released, and the normal-temperature water enters the water outlet pipeline 5 to flow out after being; if the heat storage phase change material 44 is completely converted into a solid state and hot water is still required to be supplied, the valve 435 of the heat supply unit may be closed, the water pump 433 of the heat supply unit and the electric heating pipe 422 may be opened, and water in the water tank 1 directly enters the first branch 431 of heat supply through the pumping device 6, and flows through the heating tank 421, heats the water through the electric heating pipe 422, and then flows out through the water outlet pipe 5.
In the invention, a semiconductor refrigeration chip 321, a radiator 322, a cooling unit water pump 333, a cooling unit valve 335, a cooling unit check valve 336, a cooling water level monitor 337, an electric heating pipe 422, a heating unit water pump 433, a heating unit valve 435, a heating unit check valve 436, a heating water level monitor 437 and a pumping device 6 are all connected with a controller, and the controller and software thereof adopt the prior art.
As can be seen from the above description, the instant heating and cooling water supply system according to the present invention is respectively provided with the refrigeration module 32 and the phase change cold storage body 31 for forming cold water, the heating module 42 and the phase change heat storage body 41 for forming hot water, after the refrigeration module 32 is used to refrigerate the phase change cold storage body 31, a large amount of heat is rapidly absorbed by the phase change cold storage body 31 from the solid state to the liquid state, and is heat-transferred with the normal temperature water in the first pipeline 33, so as to achieve rapid cooling of water for a user, and simultaneously, after the heating module 42 is used to heat the phase change heat storage body 41, a large amount of heat is rapidly released by the phase change heat storage body 41 from the liquid state to the solid state, and is heat-exchanged with the normal temperature water in the second pipeline 43, so. The water supply system utilizes the performance that the phase-change material can stably store cold or heat and the heat absorption or release speed is high during phase change, can realize instant refrigeration or heating of normal-temperature water, does not need to independently set a cold liner or a hot liner, and is safe and environment-friendly.
In a preferred embodiment, the first pipeline 33 in the cold storage mechanism 3 of the present invention is divided into a first cold supply branch 331 and a second cold supply branch 332, the second pipeline 43 in the heat storage mechanism 4 is divided into a first heat supply branch 431 and a second heat supply branch 432, a circulation water path including the refrigeration module 32 and the cold storage phase change material 34 is formed in the first pipeline 33, the cold storage phase change material 34 is cooled, and a circulation water path including the heating module 42 and the heat storage phase change material 44 is formed in the second pipeline 43, the heat storage phase change material 44 is heated, so as to avoid the situation that the phase change material is directly cooled or heated by the refrigeration module 32 or the heating module 42 in a single point, which causes uneven heating, and effectively improve the cooling or heating effect of the phase change material; meanwhile, when the water supply amount is large and the working load of the phase-change material is exceeded, the first cold supply branch 331 can be used as an auxiliary device for refrigerating the phase-change cold storage body 31 to directly refrigerate the normal-temperature water, and the first heat supply branch 431 can be used as an auxiliary device for heating the phase-change heat storage body 41 to directly heat the normal-temperature water, so that the requirements of users are temporarily met, and the functionality of the water supply system is more comprehensive and humanized.
On the basis of the above instant hot and cold water supply system, the second aspect of the present invention provides a water dispenser, which comprises a housing and the instant hot and cold water supply system, so as to at least have all the advantages brought by the technical solutions of the instant hot and cold water supply system embodiments, and further description thereof is omitted here.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the above embodiments, and various simple modifications can be made to the technical solution of the present invention within the technical idea of the present invention, and these simple modifications are within the protective scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and the invention is not described in any way for the possible combinations in order to avoid unnecessary repetition.
In addition, any combination of the various embodiments of the present invention is also possible, and the same should be considered as the disclosure of the present invention as long as it does not depart from the spirit of the present invention.
Claims (12)
1. An instant heating and instant cooling type water supply system is characterized by comprising a water tank (1), a water tank pipeline (2), a cold accumulation mechanism (3), a heat accumulation mechanism (4), a water outlet pipeline (5) and a pumping device (6);
the cold accumulation mechanism (3) comprises a phase change cold accumulation body (31), a refrigeration module (32) for refrigerating the phase change cold accumulation body (31) and a first pipeline (33), the phase change cold accumulation body (31) is in contact with the first pipeline (33), and the first pipeline (33) is connected between the water tank pipeline (2) and the water outlet pipeline (5);
the heat storage mechanism (4) comprises a phase-change heat accumulator (41), a heating module (42) for heating the phase-change heat accumulator (41) and a second pipeline (43), the phase-change heat accumulator (41) is in contact with the second pipeline (43), and the second pipeline (43) is connected between the water tank pipeline (2) and the water outlet pipeline (5);
the pumping device (6) is arranged on the water tank pipeline (2) or the water outlet pipeline (5).
2. The instant hot and cold water supply system according to claim 1, wherein the phase change regenerator (31) is a phase change regenerator provided with a phase change material of crystalline hydrated salt type, or paraffin type, or metal type, or alloy type having a phase change temperature of 5-10 ℃, and the phase change regenerator (41) is a phase change regenerator provided with a phase change material of crystalline hydrated salt type, or paraffin type, or non-paraffin type, or metal type, or alloy type having a phase change temperature of 45-75 ℃.
3. The instant hot and cold water supply system according to claim 1, characterized in that said pumping means (6) are provided on said tank line (2).
4. The instant heating and cooling water supply system according to claim 3, wherein the first pipeline (33) comprises a first branch (331) and a second branch (332) connected in parallel with the first branch (331), the first branch (331) is provided with a cooling unit water pump (333), a cooling unit water tank (334) and the refrigeration module (32), the second branch (332) is provided with the phase change cold storage body (31) and a cooling unit valve (335), a connection section between the connection point of the first branch (331) and the second branch (332) and the water outlet pipeline (5) is provided with a cooling unit check valve (336), and the reverse port of the cooling unit check valve (336) is connected to the water outlet pipeline (5).
5. The instant hot and cold water supply system according to claim 4, wherein the phase change cold storage body (31) comprises a cavity structure disposed on the cold supply second branch (332), the cold supply second branch (332) is disposed with the cold storage phase change material (34) therein, the cold supply second branch (332) passes through the interior of the cold storage phase change material (34), and the pipe section of the cold supply second branch (332) located in the cold storage phase change material (34) is formed of a heat conductive material and is in a spiral shape.
6. The instant heat and cold water supply system as claimed in claim 4, wherein a cold water level monitor (337) is provided in said cold unit water tank (334).
7. The instant hot and cold water supply system according to any one of claims 4 to 6, wherein said refrigeration module (32) comprises a semiconductor refrigeration chip (321), a heat sink (322) in contact with the hot end of said semiconductor refrigeration chip (321), and a heat exchange water tank (323), said heat exchange water tank (323) is disposed on said cold supply first branch (331), one side of said heat exchange water tank (323) is provided with or integrally formed with a heat exchange member having an inner surface exposed to the inner cavity of said heat exchange water tank (323), and the cold end of said semiconductor refrigeration chip (321) is in contact with said heat exchange member.
8. The instant heating and cooling water supply system according to claim 3, wherein the second pipeline (43) comprises a first heating branch (431) and a second heating branch (432) connected in parallel with the first heating branch (431), the first heating branch (431) is provided with a heating unit water pump (433), a heating unit water tank (434) and the heating module (42), the second heating branch (432) is provided with the phase change heat storage body (41) and a heating unit valve (435), a connecting section between a connection point of the first heating branch (431) and the second heating branch (432) and the water outlet pipeline (5) is provided with a heating unit check valve (436), and a reverse port of the heating unit check valve (436) is connected to the water outlet pipeline (5).
9. The water supply system according to claim 8, wherein the phase-change heat accumulator (41) comprises a cavity structure disposed on the heat-supplying second branch (432), the cavity structure is provided with a heat-accumulating phase-change material (44), the heat-supplying second branch (432) passes through the heat-accumulating phase-change material (44), and the pipe section of the heat-supplying second branch (432) located in the heat-accumulating phase-change material (44) is formed by a heat-conducting material and is coiled.
10. The instant heat and cold water supply system according to claim 8, wherein a heating water level monitor (437) is provided in the heating unit water tank (434).
11. The water supply system according to any of the claims 8 to 10, wherein the heating module (42) comprises a heating tank (421) and an electric heating pipe (422) located inside the heating tank (421), the first branch of heating (431) passes through the inner cavity of the heating tank (421), and the pipe section of the first branch of heating (431) located inside the heating tank (421) is formed of a heat conductive material, and the electric heating pipe (422) is coiled on the outer surface of the first branch of heating (431).
12. A water dispenser apparatus comprising a housing and an instant hot and cold water supply system as claimed in any one of claims 1 to 11.
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| CN201910954361.2A CN110657616A (en) | 2019-10-09 | 2019-10-09 | Instant heating and cooling type water supply system and drinking water equipment |
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| CN201910954361.2A CN110657616A (en) | 2019-10-09 | 2019-10-09 | Instant heating and cooling type water supply system and drinking water equipment |
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