CN205878608U - Phase -change thermal storage type water heater - Google Patents
Phase -change thermal storage type water heater Download PDFInfo
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- CN205878608U CN205878608U CN201620806150.6U CN201620806150U CN205878608U CN 205878608 U CN205878608 U CN 205878608U CN 201620806150 U CN201620806150 U CN 201620806150U CN 205878608 U CN205878608 U CN 205878608U
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Abstract
The utility model discloses a phase -change thermal storage type water heater, this phase -change thermal storage type water heater include the inside box that is equipped with phase change material, and phase -change thermal storage type water heater still includes: heat exchange line, heat exchange line have water inlet and delivery port, and heat exchange line includes the heat transfer section that contacts with phase change material, and the heat transfer section goes up the connecting portion of gathering portion and lower gathering portion including the last gathering portion that lies in heat transfer section upper portion, the lower gathering portion that lies in heat transfer section lower part and intercommunication, and the orientation setting is presented down to connecting portion, and the outer wall of connecting portion and/or lower gathering portion is equipped with the primary heater, inlet tube, inlet tube pass through water inlet and heat transfer section intercommunication, outlet pipe, outlet pipe pass through delivery port and heat transfer section intercommunication. The utility model discloses technical scheme can carry out indirect heating to phase change material to avoid the phase change material the local temperature too high and damage.
Description
Technical field
This utility model relates to field of water heaters, particularly to a kind of phase-change thermal storage type water heater.
Background technology
Phase-change thermal storage type water heater is by filling phase-change material in inner bag, and heat exchanger is embedded in phase-change material
In, utilize phase-change material heat enthalpy value high, the advantage that energy storage density is big, by thermal energy storage in phase-change material.When hot water is needed,
Cold water carries out heat exchange by heat exchanger and phase-change material, to displace the heat stored in phase-change material.
Phase-change material is typically directly heated by current existing phase-change heat-storage water heater by heater, due to
The heating-up temperature of heater is the highest, so easilys lead to phase-change material and damages.
Utility model content
Main purpose of the present utility model is to propose a kind of phase-change thermal storage type water heater, it is intended to indirectly carry out phase-change material
Heating, damages to avoid phase-change material temperature too high.
For achieving the above object, the phase-change thermal storage type water heater that the utility model proposes, it is provided with phase-change material including inside
Casing, described phase-change thermal storage type water heater also includes:
Heat exchanging pipe, described heat exchanging pipe has water inlet and outlet, and described heat exchanging pipe includes and described phase transformation material
The heat exchanging segment of material contact, described heat exchanging segment includes being positioned at the upper gathering portion on described heat exchanging segment top, being positioned at described heat exchanging segment bottom
Lower gathering portion and connect described upper gathering portion and the connecting portion in described lower gathering portion, described connecting portion be above-below direction arrange,
The outer wall in described connecting portion and/or described lower gathering portion is provided with primary heater；
Water inlet pipe, described water inlet pipe is connected with described heat exchanging segment by described water inlet；
Outlet pipe, described outlet pipe is connected with described heat exchanging segment by described outlet.
Preferably, described primary heater is thin film heater.
Preferably, described phase-change thermal storage type water heater also includes a loop branch pipe, the two ends of described loop branch pipe respectively with
Described water inlet connects with described outlet, and described loop branch pipe forms a circulation line with described heat exchanging pipe.
Preferably, described loop branch pipe is located at outside described casing.
Preferably, the pipeline that described circulation line is positioned at outside described casing is provided with three-way valve, and described outlet pipe passes through institute
State three-way valve to connect with described outlet.
Preferably, the pipeline described circulation line being positioned at outside described casing is provided with secondary heater.
Preferably, described secondary heater is positioned at the pipeline in the water inlet direction from described water inlet pipe to described heat exchanging pipe
On.
Preferably, described primary heater and described secondary heater are all connected with an anti-electric brake plug.
Preferably, described connecting portion is provided with multiple, and multiple described connecting portion is uniformly distributed in described phase-change material.
Preferably, multiple described connecting portions are cellular arrangement.
Preferably, described phase-change thermal storage type water heater also includes that one heats with described three-way valve, primary heater and second
The control module of device electrical connection, described control module is for controlling the work of described three-way valve, primary heater and secondary heater
Make.
Preferably, described phase-change thermal storage type water heater also includes a temperature measurement module electrically connected with described control module, institute
The temperature probe stating temperature measurement module is located in described phase-change material.
Preferably, described outlet pipe is provided with a switch valve electrically connected with described control module and phase-change material detection mould
Block, on the water outlet direction of described outlet pipe, after described phase-change material detection module is positioned at described switch valve, described phase transformation material
Material detection module is for detecting the phase-change material in described outlet pipe.
This utility model also proposes the control method of a kind of phase-change thermal storage type water heater, described phase-change thermal storage type water heater bag
Including inside and be provided with the casing of phase-change material, described phase-change thermal storage type water heater also includes:
Heat exchanging pipe, described heat exchanging pipe has water inlet and outlet, and described heat exchanging pipe includes and described phase transformation material
The heat exchanging segment of material contact, described heat exchanging segment includes being positioned at the upper gathering portion on described heat exchanging segment top, being positioned at described heat exchanging segment bottom
Lower gathering portion and connect described upper gathering portion and the connecting portion in described lower gathering portion, described connecting portion be above-below direction arrange,
The outer wall in described connecting portion and/or described lower gathering portion is provided with primary heater；
Water inlet pipe, described water inlet pipe is connected with described heat exchanging segment by described water inlet；
Outlet pipe, described outlet pipe is connected with described heat exchanging segment by described outlet；
The control method of described phase-change thermal storage type water heater includes:
Whether the temperature detecting described phase-change material reaches threshold value；
If so, control described primary heater to quit work.
Preferably, described phase-change thermal storage type water heater also includes a loop branch pipe, the two ends of described loop branch pipe respectively with
Described water inlet connects with described outlet, and described loop branch pipe and described heat exchanging pipe form a circulation line, described in follow
Endless tube road is provided with secondary heater, and the control method of described phase-change thermal storage type water heater also includes:
When described outlet pipe water outlet, control the work of described secondary heater.
Preferably, described phase-change thermal storage type water heater is connected with power supply by an anti-electric brake plug, described phase-change thermal storage type
The control method of water heater also includes:
Detect whether described phase-change thermal storage type water heater leaks electricity by described anti-electric brake plug, the most then disconnect described phase
Become the connection of heat storage water heater and described power supply.
This utility model also proposes the control method of another kind of phase-change thermal storage type water heater, described phase-change thermal storage type water heater
Be provided with the casing of phase-change material including inside, described phase-change thermal storage type water heater also includes:
Heat exchanging pipe, described heat exchanging pipe has water inlet and outlet, and described heat exchanging pipe includes and described phase transformation material
The heat exchanging segment of material contact, described heat exchanging segment includes being positioned at the upper gathering portion on described heat exchanging segment top, being positioned at described heat exchanging segment bottom
Lower gathering portion and connect described upper gathering portion and the connecting portion in described lower gathering portion, described connecting portion be above-below direction arrange,
The outer wall in described connecting portion and/or described lower gathering portion is provided with primary heater；
Water inlet pipe, described water inlet pipe is connected with described heat exchanging segment by described water inlet；
Outlet pipe, described outlet pipe is connected with described heat exchanging segment by described outlet；
The control method of described phase-change thermal storage type water heater includes:
Whether comprising phase-change material in detecting described outlet pipe, if comprising, then closing described outlet pipe.
Technical solutions of the utility model include the heat exchanging pipe with water inlet and outlet, this heat exchanging pipe by employing
Including the heat exchanging segment with phase change material contacts, wherein, this heat exchanging segment includes being positioned at the upper gathering portion on this heat exchanging segment top, being positioned at and change
The lower gathering portion of hot arc bottom and connection above gathering portion and the connecting portion in lower gathering portion, connecting portion is that above-below direction is arranged, and
The outer wall in connecting portion and/or lower gathering portion is provided with primary heater, and this primary heater adds for the relevant position exchanging hot arc
Heat.So, domestic water can be poured in this heat exchanging pipe by water inlet pipe, when heat exchanging pipe is full of water, by arranging
Water in connecting portion and/or lower gathering portion can be heated, when this by the primary heater at connecting portion and/or the outer wall in lower gathering portion
After water in connecting portion and/or lower gathering portion is heated to form hot water, owing to the relatively cool water density of hot water density is less, hot water can not
The disconnected connecting portion arranged along above-below direction is toward upper, until flowing to gathering portion, now, the cold water in upper gathering portion can be down
Stream, thus form free convection, and water can be made to flow without arranging water pump in heat exchanging pipe, enormously simplify this phase transformation storage
The system of heating water heater, not only reduces the power consumption of this phase-change thermal storage type water heater, and improves its reliability of operation；
Heat can be passed to the phase-change material in casing during rising by hot water by heat exchanging segment, thus heating phase-change material.
Simultaneously as this primary heater is provided in connecting portion and/or the outer wall in lower gathering portion, i.e. this primary heater are the most direct
The water that ground uses with user directly contacts, and so, can greatly reduce the generation of incrustation scale, and on the one hand improve water heater goes out water quality
Amount, and it is not easy the problem that incrustation scale blocking pipeline occurs, improve the safety and reliability of water heater.It is additionally, since we
The primary heater of case is not to heat directly to phase-change material, so, it is possible to be prevented effectively from primary heater and connects with phase-change material
The local temperature touched is too high and destroys phase-change material, causes phase-change material degeneration to lose heat storage function.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, the accompanying drawing in describing below is only
It is embodiments more of the present utility model, for those of ordinary skill in the art, in the premise not paying creative work
Under, it is also possible to other accompanying drawing is obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the cut-away illustration that example executed by this utility model phase-change thermal storage type water heater one；
Fig. 2 is the structural representation of the heat exchanging segment in this utility model phase-change thermal storage type water heater；
Fig. 3 be the heat exchanging segment shown in Fig. 2 A-A to generalized section；
Fig. 4 is the actual effect figure of the generalized section shown in Fig. 3；
Fig. 5 is the side view of the heat exchanging segment shown in Fig. 2；
Fig. 6 is the schematic flow sheet of control method one embodiment of this utility model phase-change thermal storage type water heater；
Fig. 7 is the schematic flow sheet of another embodiment of control method of this utility model phase-change thermal storage type water heater.
Drawing reference numeral illustrates:
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, are described further referring to the drawings.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model rather than all
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, broadly falls into the scope of this utility model protection.
It is to be appreciated that if this utility model embodiment relates to directivity instruction (such as upper and lower, left and right, front,
After ...), then directionality instruction is only used for explaining relative between each parts under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if this particular pose changes, then directionality instruction changes the most therewith.
If it addition, this utility model embodiment relates to the description of " first ", " second " etc., then should " first ", " the
Two " description etc. is only used for describing purpose, and it is not intended that instruction or imply its relative importance or implicit indicate indication
The quantity of the technical characteristic shown.Thus, define " first ", the feature of " second " can be expressed or implicitly include at least one
Individual this feature.It addition, the technical scheme between each embodiment can be combined with each other, but must be with ordinary skill
Based on personnel are capable of, when technical scheme combination occur conflicting maybe cannot realize time will be understood that this technical side
The combination of case does not exists, the most not within the protection domain that this utility model requires.
The utility model proposes a kind of phase-change thermal storage type water heater.
In this utility model embodiment, as it is shown in figure 1, this phase-change thermal storage type water heater includes that inside is provided with phase-change material
Casing, generally, this casing includes shell 11, and the inner bag 13 being arranged in shell 11, and phase-change material 14 is filled in inner bag
In 13, in order to reduce scattering and disappearing of phase-change material 14 heat in inner bag 13, improve inner bag 13 heat insulation effect, at inner bag 13 and shell 11
Between be filled with insulation material 12, this insulation material 12 can be the material such as polyurethane or Pentamethylene..
As it is shown in figure 1, this utility model phase-change thermal storage type water heater also includes having water inlet (sign) and outlet
The heat exchanging pipe of (sign), this heat exchanging pipe includes the heat exchanging segment 40 contacted with phase-change material 14, a water inlet pipe 20 pass through into
The mouth of a river connects with heat exchanging segment 40, and an outlet pipe 30 is connected with heat exchanging segment 40 by outlet.Generally, water inlet and outlet set
Outside casing, water inlet pipe 20 is connected with external water source device, and as the running water pipe with user is connected, outlet pipe 30 is with gondola water faucet even
Connect；In order to prevent the aqueous reflux in this phase-change thermal storage type water heater to external water source device, water inlet pipe 20 arranges check valve
90.Wherein, this heat exchanging segment 40 includes being positioned at the upper gathering portion 41 on this heat exchanging segment 40 top, being positioned at the lower gathering of heat exchanging segment 40 bottom
Portion 43 and connection above gathering portion 41 and the connecting portion 42 in lower gathering portion 43, connecting portion 42 is arranged in above-below direction, and at connecting portion
42 and/or the outer wall in lower gathering portion 43 be provided with primary heater, this primary heater adds for the relevant position exchanging hot arc 40
Heat.So, domestic water can be poured in this heat exchanging pipe by water inlet pipe 20, when heat exchanging pipe is full of water, by setting
Putting the primary heater at connecting portion 42 and/or the outer wall in lower gathering portion 43 can be in connecting portion 42 and/or lower gathering portion 43
Water heats, after the water in this connecting portion 42 and/or lower gathering portion 43 is heated to form hot water, due to the relatively cool watertight of hot water density
Spending less, the connecting portion 42 that hot water can constantly be arranged along above-below direction is past upper, until flowing to gathering portion 41, now, on
The cold water in gathering portion 41 toward dirty, thus can form free convection, and can make current without arranging water pump in heat exchanging pipe
Dynamic, enormously simplify the system of this phase-change thermal storage type water heater, not only reduce the power consumption of this phase-change thermal storage type water heater, and
Improve its reliability of operation；Heat can be passed to the phase transformation in casing by heat exchanging segment 40 during rising by hot water
Material 14, thus heating phase-change material 14.Simultaneously as this primary heater is provided in connecting portion 42 and/or lower gathering portion
The outer wall of 43, i.e. this primary heater do not have the water directly used with user directly to contact, and so, can greatly reduce incrustation scale
Produce, on the one hand improve the effluent characteristics of water heater, and be not easy the problem that incrustation scale blocking pipeline occurs, improve water heater
Safety and reliability.The primary heater being additionally, since this programme is not to heat directly to phase-change material, so, it is possible
It is prevented effectively from primary heater too high with the local temperature that phase-change material 14 contacts and destroy phase-change material 14, causes phase-change material
14 degeneration and lose heat storage function.
Owing to the hot water in heat exchanging segment 40 relies on the feature flow ratio from the bottom up that autologous density is little to be easier to, if from changing
The top of hot arc 40, toward the dirty barrier force being accomplished by overcoming cold water, arranges primary heater in lower gathering portion 43 more in this programme
Outer wall on, so, after the hot water cup in this lower gathering portion 43 is heated, the feature that autologous density is little can be relied on from heat exchanging segment
The lower gathering portion 43 of 40 flow to the upper gathering portion 41 of this heat exchanging segment 40, and this flow process does not overcome the resistance that cold water is more, its
Flowing velocity is very fast, can accelerate and the heat transfer rate of heat exchanging segment 40 with phase-change material 14, to improve heat exchange efficiency.
As shown in Figures 2 to 5, owing to, in a connecting portion 42, the convection current of hot water and cold water needs to overcome the resistance of cold water
Power, causes the convection velocity of hot water and cold water to affect heat exchange efficiency relatively slowly, and it is multiple for can arranging connecting portion 42 for this, so,
Hot water in one of them connecting portion 42 is heated toward when flowing upwardly to gathering portion 41, can pass through other connecting portion 42 down
Stream, to accelerate convection velocity.And, as shown in Figure 3 and Figure 4, multiple connecting portion 42 can be set and be uniformly distributed in phase-change material 14
In, so, multiple connecting portion 42 can be realized and contact with phase-change material 14 equably, thus guarantee uniformly to phase transformation material
Material 14 heating, uniformly, phase-change material 14 temperature being unlikely to some place is the highest in heat transmission, and the phase-change material in some place
14 the most do not undergo phase transition, and affect energy storage effect.Preferably, as shown in Figure 4, connecting portion 42 can be arranged to be arranged in cellular
In phase-change material 14, to improve efficiency and the uniformity of heat exchange further.Additionally, also wing can be arranged at the outer wall of connecting portion 42
Sheet 50, concrete, as shown in Figures 2 to 5, this fin 50 is multiple horizontally disposed plate-shaped fins, and each fin 50 all with
The external connection of multiple connecting portions 42.
It is noted that primary heater is preferably thin film heater, this thin film heater may be selected to be at pipeline
Outer surface plating film heating layer, it is also possible to select common thin-film electro heater, be then attached to the outer wall of pipeline.
Owing to thin film heater takes up room minimum, so, can be that the miscellaneous part in heater provides relatively large space；And it is thin
Film heater is soft, and the setting of its shapes and sizes is relatively flexible, is especially suitable for being installed in heat exchanging segment 40 and does not advises
Lower gathering portion 43 then and the outer wall of connecting portion 42；Meet different additionally, thin film heater can realize different area positions
Heating power and the requirement of heating-up temperature, so, can add hot merit according to what the concrete structure of heat exchanging segment 40 arranged thin film heater
Rate, to reach uniformly to heat the purpose with uniform heat exchange, effectively prevents local temperature too high, and causes harmful effect, meanwhile, and should
The uniformity of the heating of thin film heater, it is possible to greatly reduce the generation of incrustation scale, prevents scale blockage pipeline.
In order to make hot water in heat exchanging pipe and cold water carry out preferably convection current, as it is shown in figure 1, arrange a loop branch pipe
60, the two ends of this loop branch pipe 60 connect with water inlet and outlet respectively, and loop branch pipe 60 forms one with heat exchanging pipe and follows
Endless tube road, so, can make the convection current in bigger circulation line of hot water and cold water, thus facilitate the convection current of hot water and cold water, add
Fast convection velocity, to improve heat transfer rate；And, by reasonably arranging water inlet pipe 20 and the position of outlet pipe 30, as entered
The top of the heat exchanging pipe that water pipe 20 is arranged, by the lower section of the heat exchanging pipe that outlet pipe 30 is arranged, so, when using water heater
Time, the cold water come in from water inlet pipe 20, can be the warmmest from outlet pipe 30 by the heat transfer process of heat exchanging segment 40 with phase-change material 14
Water, uses the demand of hot water meeting user.
Generally, as it is shown in figure 1, above-mentioned loop branch pipe 60 is provided in outside casing, set on loop branch pipe 60 to facilitate
Put valve, the convenient flow direction controlling water route；And by arranging this loop branch pipe 60, so, a part of pipeline in circulation line
Be provided in outside casing, when there are some failure problems in circulation line, by this casing outside pipeline can overhaul easily
Fault in circulation line, overhauls the pipeline in casing without destroying casing.
As it is shown in figure 1, for the leaving water temperature better controling over outlet pipe 30, the pipeline outside circulation line is positioned at casing
On three-way valve 61 is set, and outlet pipe 30 is connected with outlet by this three-way valve 61, due to from outlet pipe 30 water bag out
Including the water flowed into from heat exchanging pipe and the water flowed into from loop branch pipe 60, i.e. it is mixing water, and therefore its temperature is often not easy
Control, if user needs a certain specific range of temperatures or the water of a certain specified temp, i.e. can not meet user's request, and pass through
This three-way valve 61 is set, owing to outlet pipe 30 connects with a port of this three-way valve 61, two other end of this three-way valve 61
Mouth separately flows into water and the water of loop branch pipe 60 of heat exchanging pipe, by arranging the influx of the port of three-way valve 61, i.e. arranges
The water yield flowed into from heat exchanging pipe and the water yield flowed into from loop branch pipe 60, it becomes possible to regulation flows into water outlet by this three-way valve 61
The water temperature of pipe 30, thus the water temperature realizing outlet pipe 30 meets the demand of user.Preferably, can arrange this three-way valve 61 is constant temperature
Valve, so, can realize being automatically adjusted of outlet pipe 30 leaving water temperature, use with facilitating user further.
When the amount of hot water of user is more, cause the heat stored in phase-change material 14 plus opening primary heater simultaneously
Heating load when the leaving water temperature of outlet pipe 30 still can not be made in time to meet use demand, casing can be positioned on circulation line
Secondary heater 62 is set in outer pipeline, as it is shown in figure 1, so, opens this secondary heater 62 and can improve outlet pipe 30
Leaving water temperature, to meet the big heat demand of user.Preferably, this secondary heater 62, may be selected to be conventional electric heater,
This electric heater has volume feature little, high-power, not only easily installs but also disclosure satisfy that the use demand of heat.
Preferably, as it is shown in figure 1, arrange secondary heater 62 to be positioned at the water inlet direction from water inlet pipe 20 to heat exchanging pipe
On pipeline, it is positioned close to from the water outlet direction of heat exchanging pipe to outlet pipe 30 compared to by this secondary heater 62, passes through
This secondary heater 62 can improve the water temperature entering heat exchanging pipe, it is possible to the heat in release phase-change material 14 to greatest extent,
Improve energy utilization rate.
In order to prevent primary heater and secondary heater 62 from leaking electricity, cause from the outlet pipe 30 charged and electric wound of water out
User, arranges this primary heater and secondary heater 62 is all connected with an anti-electric brake plug 70, as it is shown in figure 1, so, works as inspection
Measure this primary heater and time secondary heater 62 leaks electricity, this utility model phase-change thermal storage type water heater can be cut off the very first time
With the connection of power supply, prevent electric leakage hurt sb.'s feelings event occur.
In order to realize the automatization of this phase-change thermal storage type water heater working, only need the good parameter such as water temperature, time of user setup,
The water temperature can wanted from outlet pipe 30 out user, arrange this phase-change thermal storage type water heater also include one with three-way valve 61, the
One heater and the control module of secondary heater 62 electrical connection, control module be used for controlling three-way valve 61, primary heater and
The work of secondary heater 62.Specifically, the leaving water temperature of three-way valve 61 can be set by this control module, then rely on phase transformation
The heat stored in material 14, to cool water heating, makes leaving water temperature reach use demand, if the heat in phase-change material 14 can not
Meet the requirement of leaving water temperature, then control module and automatically turn on primary heater heat supply；If still can not after unlatching primary heater
Meet the heat of the demand of leaving water temperature, then control module and continue on the further heat supply of secondary heater 62, to meet user
Water demand.
Being passed to heat exchanging segment 40 heat to phase-change material 14 to automatically control the work of primary heater, arranging should
Phase-change thermal storage type water heater also includes a temperature measurement module electrically connected with control module, and the temperature probe of temperature measurement module is located at phase transformation
In material 14, so, the maximum temperature of heating phase-change material 14 can be set, as being traditionally arranged to be 75 DEG C, when temperature probe detects
The temperature of phase-change material 14 is less than 75 DEG C, then control module control primary heater heats to heat exchanging segment 40, until phase-change material
The temperature of 14 reaches 75 DEG C.
Owing to phase-change material 14 is the most harmful, in order to prevent phase-change material 14 to be leaked to after outlet pipe 30 from water outlet
Pipe 30 flows out, and is provided with a switch valve 80 electrically connected with control module and phase-change material 14 detection module on outlet pipe 30,
On the water outlet direction of outlet pipe 30, after phase-change material 14 detection module is positioned at switch valve 80, phase-change material 14 detection module is used
In the phase-change material 14 detected in water pipe 30, so, when phase-change material 14 is leaked into heat exchanging pipe and flows into outlet pipe 30,
Before arriving switch valve 80, this phase-change material 14 detection module can detect the leakage of phase-change material 14 in time, then controls
The conducting of module meeting enclosed switch valve 80, prevents phase-change material 14 from flowing out from outlet and hurting human body.Preferably, this switch
Valve 80 may be selected to be electromagnetic valve, and is integrated in this electromagnetic valve by this phase-change material 14 detection module, so, can reduce both peaces
Space shared during dress.
This utility model also proposes the control method of a kind of phase-change thermal storage type water heater, wherein, this phase-change thermal storage type hot water
Device includes that inside is provided with the casing of phase-change material 14, and phase-change thermal storage type water heater also includes: heat exchanging pipe, and heat exchanging pipe has
Having water inlet and outlet, heat exchanging pipe includes the heat exchanging segment 40 contacted with phase-change material 14, and heat exchanging segment 40 includes being positioned at heat exchange
The upper gathering portion 41 on section 40 tops, the lower gathering portion 43 being positioned at heat exchanging segment 40 bottom and the upper gathering portion 41 of connection and lower gathering portion 43
Connecting portion 42, connecting portion 42 is arranged in above-below direction, and the outer wall in connecting portion 42 and/or lower gathering portion 43 is provided with the first heating
Device；Water inlet pipe 20, water inlet pipe 20 is connected with heat exchanging segment 40 by water inlet；Outlet pipe 30, outlet pipe 30 passes through outlet and changes
Hot arc 40 connects.Concrete, as shown in Figure 6, the control method of this phase-change thermal storage type water heater includes:
Step S10: whether the temperature of detection phase-change material 14 reaches threshold value；
Specifically, the temperature of phase-change material 14 can be detected by a temperature measurement module, as the temperature of this temperature measurement module visited
Head is arranged in phase-change material 14, pre-sets the maximum temperature of phase-change material 14, as being traditionally arranged to be 75 DEG C, works as temperature probe
Detect when the temperature of phase-change material 14 reaches maximum temperature, then send cue (such as voice signal etc.), remind user to enter
Row corresponding operating, or automatically carry out corresponding operation by a control module connected with this temperature measurement module.
Step S20: if so, control primary heater and quit work.
Concrete, when the temperature of phase-change material 14 reaches maximum temperature, user can be according to the cue of temperature measurement module
Manual-lock primary heater, stops the heating to phase-change material 14, it is also possible to automatically control the first heating by control module
Device quits work.In embodiment of the present utility model, realize automatically controlling preferably by a control module, so, can reduce
The participation of user, saves the time of user.
In order to make hot water in heat exchanging pipe and cold water carry out preferably convection current, arranging a loop branch pipe 60, this circulation is propped up
The two ends of pipe 60 connect with water inlet and outlet respectively, and loop branch pipe 60 and heat exchanging pipe form a circulation line, so,
The convection current in bigger circulation line of hot water and cold water can be made, thus facilitate the convection current of hot water and cold water, accelerate convection velocity, with
Improve heat transfer rate；And, by reasonably arranging water inlet pipe 20 and the position of outlet pipe 30, such as changing that water inlet pipe 20 is arranged
The top of pipe line, by the lower section of the heat exchanging pipe that outlet pipe 30 is arranged, so, when using water heater, enters from water inlet pipe 20
The cold water come, by the heat transfer process of heat exchanging segment 40 with phase-change material 14, can make meeting user from outlet pipe 30 out hot water
By the demand of hot water.
When the amount of hot water of user is more, cause the heat stored in phase-change material 14 plus opening primary heater simultaneously
Heating load when the leaving water temperature of outlet pipe 30 still can not be made in time to meet use demand, second can be arranged on circulation line
Heater 62, so, opens this secondary heater 62 and can improve the leaving water temperature of outlet pipe 30, to meet the big heat need of user
Ask.Preferably, this secondary heater 62, may be selected to be conventional electric heater, it is little, high-power that this electric heater has volume
Feature, not only easily installs but also disclosure satisfy that the use demand of heat.
Therefore, the control method of this phase-change thermal storage type water heater also includes:
When outlet pipe 30 water outlet, control secondary heater 62 and work.So, the leaving water temperature of outlet pipe 30 can be improved,
To meet the big heat demand of user.
Preferably, secondary heater 62 is set and is positioned at from the pipeline in the water inlet direction of water inlet pipe 20 to heat exchanging pipe, phase
It is positioned close to from the water outlet direction of heat exchanging pipe to outlet pipe 30 compared with by this secondary heater 62, second is heated by this
Device 62 can improve the water temperature entering heat exchanging pipe, it is possible to the heat in release phase-change material 14 to greatest extent, improves energy profit
By rate.
In order to prevent this phase-change thermal storage type water heater from leaking electricity, electric leakage event of hurting sb.'s feelings is caused to occur, by this phase-change thermal storage type heat
Hydrophone is connected with power supply by an anti-electric brake plug 70, and the control method of phase-change thermal storage type water heater also includes:
Detect whether phase-change thermal storage type water heater leaks electricity by anti-electric brake plug 70, the most then disconnect phase-change thermal storage type heat
Hydrophone and the connection of power supply.
Specifically, the electric component in this phase-change thermal storage type water heater is all connected to this anti-electric brake plug 70, so, only
Arbitrary electric component electric leakage in phase-change thermal storage type water heater to be detected, can cut off this phase-change thermal storage type water heater in time
With the connection of power supply, effectively prevent the electric leakage of this phase-change thermal storage type water heater from affecting the personal safety of user.
Owing to phase-change material 14 is the most harmful, in order to prevent phase-change material 14 to be leaked to after outlet pipe 30 from water outlet
Pipe 30 flows out, to this end, this utility model also proposes the control method of another kind of phase-change thermal storage type water heater, wherein, this phase transformation is stored up
Heating water heater includes that inside is provided with the casing of phase-change material 14, and phase-change thermal storage type water heater also includes: heat exchanging pipe, heat exchanger tube
Road has water inlet and outlet, and heat exchanging pipe includes the heat exchanging segment 40 contacted with phase-change material 14, and heat exchanging segment 40 includes being positioned at
The upper gathering portion 41 on heat exchanging segment 40 top, the lower gathering portion 43 being positioned at heat exchanging segment 40 bottom and the upper gathering portion 41 of connection and lower gathering
The connecting portion 42 in portion 43, connecting portion 42 is arranged in above-below direction, and the outer wall in connecting portion 42 and/or lower gathering portion 43 is provided with first and adds
Hot device；Water inlet pipe 20, water inlet pipe 20 is connected with heat exchanging segment 40 by water inlet；Outlet pipe 30, outlet pipe 30 by outlet with
Heat exchanging segment 40 connects.Concrete, as it is shown in fig. 7, the control method of this phase-change thermal storage type water heater includes:
Step S100: whether comprise phase-change material 14 in detecting water pipe 30；
Step S200: if comprising, then close outlet pipe 30.
Specifically, a switch valve 80 electrically connected with control module can be provided with on outlet pipe 30 and phase-change material 14 detects
Module, on the water outlet direction of outlet pipe 30, after phase-change material 14 detection module is positioned at switch valve 80, phase-change material 14 detects
Module is for detecting the phase-change material 14 in water pipe 30, so, when phase-change material 14 is leaked into heat exchanging pipe and flows into out
Water pipe 30, before arriving switch valve 80, this phase-change material 14 detection module can detect the leakage of phase-change material 14 in time, so
The conducting of rear control module meeting enclosed switch valve 80, prevents phase-change material 14 from flowing out from outlet and hurting human body.Preferably,
This switch valve 80 may be selected to be electromagnetic valve, and is integrated in this electromagnetic valve by this phase-change material 14 detection module, so, can reduce
The space that both are shared when installing.
The foregoing is only preferred embodiment of the present utility model, not thereby limit the scope of the claims of the present utility model,
Every under inventive concept of the present utility model, the equivalent structure utilizing this utility model description and accompanying drawing content to be made becomes
Change, or directly/be indirectly used in other relevant technical fields and be included in scope of patent protection of the present utility model.
Claims (13)
1. a phase-change thermal storage type water heater, is provided with the casing of phase-change material including inside, it is characterised in that described phase-change thermal storage
Formula water heater also includes:
Heat exchanging pipe, described heat exchanging pipe has water inlet and outlet, and described heat exchanging pipe includes connecing with described phase-change material
The heat exchanging segment touched, described heat exchanging segment includes being positioned at the upper gathering portion on described heat exchanging segment top, being positioned under described heat exchanging segment bottom
Gathering portion and connect described upper gathering portion and the connecting portion in described lower gathering portion, described connecting portion is that above-below direction is arranged, described
The outer wall in connecting portion and/or described lower gathering portion is provided with primary heater；
Water inlet pipe, described water inlet pipe is connected with described heat exchanging segment by described water inlet；
Outlet pipe, described outlet pipe is connected with described heat exchanging segment by described outlet.
2. phase-change thermal storage type water heater as claimed in claim 1, it is characterised in that described primary heater is film heating
Device.
3. phase-change thermal storage type water heater as claimed in claim 1, it is characterised in that described phase-change thermal storage type water heater also includes
One loop branch pipe, the two ends of described loop branch pipe connect with described water inlet and described outlet respectively, and described loop branch pipe
A circulation line is formed with described heat exchanging pipe.
4. phase-change thermal storage type water heater as claimed in claim 3, it is characterised in that described loop branch pipe is located at described casing
Outward.
5. phase-change thermal storage type water heater as claimed in claim 4, it is characterised in that described circulation line is positioned at outside described casing
Pipeline be provided with three-way valve, described outlet pipe is connected with described outlet by described three-way valve.
6. phase-change thermal storage type water heater as claimed in claim 5, it is characterised in that be positioned at described casing on described circulation line
It is provided with secondary heater in outer pipeline.
7. phase-change thermal storage type water heater as claimed in claim 6, it is characterised in that described secondary heater be positioned at from described enter
On the pipeline in the water inlet direction of water pipe extremely described heat exchanging pipe.
8. phase-change thermal storage type water heater as claimed in claim 6, it is characterised in that described primary heater and described second adds
Hot device is all connected with an anti-electric brake plug.
9. phase-change thermal storage type water heater as claimed in claim 1, it is characterised in that described connecting portion is provided with multiple, and multiple
Described connecting portion is uniformly distributed in described phase-change material.
10. phase-change thermal storage type water heater as claimed in claim 9, it is characterised in that multiple described connecting portions are cellular row
Cloth.
11. phase-change thermal storage type water heaters as claimed in claim 8, it is characterised in that described phase-change thermal storage type water heater also wraps
Including a control module electrically connected with described three-way valve, primary heater and secondary heater, described control module is used for controlling
The work of described three-way valve, primary heater and secondary heater.
12. phase-change thermal storage type water heaters as claimed in claim 11, it is characterised in that described phase-change thermal storage type water heater also wraps
Including a temperature measurement module electrically connected with described control module, the temperature probe of described temperature measurement module is located in described phase-change material.
13. phase-change thermal storage type water heaters as claimed in claim 11, it is characterised in that described outlet pipe is provided with one with described
The switch valve of control module electrical connection and phase-change material detection module, on the water outlet direction of described outlet pipe, described phase transformation material
After material detection module is positioned at described switch valve, described phase-change material detection module is for detecting the phase transformation material in described outlet pipe
Material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620806150.6U CN205878608U (en) | 2016-07-28 | 2016-07-28 | Phase -change thermal storage type water heater |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620806150.6U CN205878608U (en) | 2016-07-28 | 2016-07-28 | Phase -change thermal storage type water heater |
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| CN205878608U true CN205878608U (en) | 2017-01-11 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196603A (en) * | 2016-07-28 | 2016-12-07 | 芜湖美的厨卫电器制造有限公司 | Phase-change thermal storage type water heater and control method thereof |
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2016
- 2016-07-28 CN CN201620806150.6U patent/CN205878608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196603A (en) * | 2016-07-28 | 2016-12-07 | 芜湖美的厨卫电器制造有限公司 | Phase-change thermal storage type water heater and control method thereof |
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Effective date of registration: 20230707 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 241009 Wan Chun East Road, East Wuhu economic and Technological Development Zone, Wuhu, Anhui Patentee before: WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |
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