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 to phase-change material
Heating, is damaged with avoiding phase-change material temperature too high.
For achieving the above object, the utility model proposes phase-change thermal storage type water heater, including inside be provided with phase-change material
Casing, described phase-change thermal storage type water heater also includes:
Heat exchanging pipe, described heat exchanging pipe has water inlet and delivery port, and described heat exchanging pipe includes and described phase transformation material
The heat exchanging segment of material contact;
Loop branch pipe, the two ends of described loop branch pipe are connected with described water inlet and described delivery port respectively, and described follow
Ring arm forms a circulation line with described heat exchanging pipe, and described circulation line is provided with the driving dress for driving current flowing
Put;
Heater, is installed on described circulation line;
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 delivery port;
Phase-change material detects module and switch valve, described phase-change material detects module and described switch valve all located at described go out
On water pipe, described outlet pipe water side upwards, described phase-change material detects module be located at described switch valve after.
Preferably, described switch valve is magnetic valve.
Preferably, described loop branch pipe is outside described casing.
Preferably, described heater is located at from the pipeline in the water inlet direction of described water inlet pipe to described heat exchanging pipe.
The described circulation line being preferably located at outside described casing is provided with control valve, described control valve located at described enter
Between water pipe and described outlet pipe and two junctions of described circulation line.
Preferably, described control valve be check valve, and the conducting direction of described check valve be from described outlet pipe with described
The junction of circulation line is towards the junction of described water inlet pipe and described circulation line.
Preferably, described phase-change thermal storage type water heater also includes mixed water arm, the two ends of described mixed water arm respectively with institute
State water inlet pipe to connect with described outlet pipe, and described mixed water arm is connected with described outlet pipe by triple valve.
Preferably, described triple valve is thermostatic valve.
Preferably, described heater is electric heater.
Preferably, described phase-change thermal storage type water heater is also included one and is electrically connected with described phase-change material detects module and switch valve
The control module connecing.
The utility model also proposes a kind of control method of phase-change thermal storage type water heater, described phase-change thermal storage type water heater bag
Include including inside 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 delivery port, and described heat exchanging pipe includes and described phase transformation material
The heat exchanging segment of material contact;
Loop branch pipe, the two ends of described loop branch pipe are connected with described water inlet and described delivery port respectively, and described follow
Ring arm forms a circulation line with described heat exchanging pipe, and described circulation line is provided with the driving dress for driving current flowing
Put;
Heater, is installed in described circulation line;
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 delivery port;
Phase-change material detects module and switch valve, described phase-change material detects module and described switch valve all located at described go out
On water pipe, described outlet pipe water side upwards, described phase-change material detects module be located at described switch valve after.
The control method of described phase-change thermal storage type water heater includes:
Detecting in described outlet pipe whether there is described phase-change material, if having, controlling described switch valve to close.
Technical solutions of the utility model pass through the heat exchanging pipe using inclusion with water inlet and delivery port, this heat exchanging pipe
Including the heat exchanging segment with phase change material contacts, this phase-change thermal storage type water heater also includes a loop branch pipe, and the two of this loop branch pipe
End is connected with water inlet and delivery port respectively, and loop branch pipe forms a circulation line with heat exchanging pipe, sets on circulation line
There are the driving means for driving current flowing, the driving means for driving current flowing are used for the water in driving cycle pipeline
Circulate.And it is provided with heater in this circulation line, for heating to the water in circulation line, so, pass through
Heater and the effect for driving the driving means of current flowing, can water in heat cycles pipeline, and given by hot water
Phase-change material heats, it is achieved thereby that the heat accumulation process of this phase-change thermal storage type water heater;When needing using hot water, open into water
Pipe and outlet pipe, outside cold water is flowed into this circulation line through water inlet pipe, is connected with circulation line by reasonably arranging water inlet pipe
Position, make from water inlet pipe flow into water through heat exchanging segment, so, cold water can be inhaled when through heat exchanging segment from phase-change material
Heat, thus ensure from outlet pipe out be hot water, to meet the hot water demand of user, this process is this phase-change thermal storage type heat
The exothermic process of hydrophone.And in this programme, due to the heater feedwater heating being provided in circulation line, water is again by heat
Pass to phase-change material, that is, heater is not directly to phase-change material heating, so, it is possible to be prevented effectively from heater and phase
The local temperature becoming material is too high and destroy phase-change material, leads to phase-change material denaturation to lose heat storage function.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the 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 the 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 the utility model protection.
If it is to be appreciated that relate in the utility model embodiment directionality instruction (such as upper and lower, left and right, front,
Afterwards ...), then directionality instruction be only used for explain relative between each part under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if this particular pose changes, directionality instruction also correspondingly changes therewith.
If in addition, relating to the description of " first ", " second " etc. in the utility model embodiment, this " 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 showing.Thus, define " first ", the feature of " second " can be expressed or implicitly include at least one
Individual this feature.In 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, will be understood that this technology when the combination appearance of technical scheme is conflicting or cannot realize
The combination of scheme does not exist, also not within the protection domain that the utility model requires.
The utility model proposes a kind of phase-change thermal storage type water heater.
In the utility model embodiment, as shown in figure 1, this phase-change thermal storage type water heater includes inside and is provided with phase-change material
Casing, generally, this casing includes shell 11, and is arranged on the inner bag 13 in shell 11, and phase-change material 14 is filled in inner bag
In 13, in order to reduce lost, raising inner bag 13 heat insulation effect of phase-change material 14 heat in inner bag 13, in inner bag 13 and shell 11
Between be filled with insulation material 12, this insulation material 12 can be the materials such as polyurethane or pentamethylene.
As shown in figure 1, the utility model phase-change thermal storage type water heater is also included with water inlet (sign) and delivery port
The heat exchanging pipe of (sign), this heat exchanging pipe includes the heat exchanging segment 40 contacting with phase-change material 14, a water inlet pipe 20 pass through into
The mouth of a river is connected with heat exchanging segment 40, and an outlet pipe 30 is connected with heat exchanging segment 40 by delivery port.Generally, water inlet and delivery port set
Outside casing, water inlet pipe 20 is connected with external water source device, is such as connected with the running water pipe of user, and 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, check valve is arranged on water inlet pipe 20
90.
For reducing the volume of water heater, heat exchanging segment 40 generally in the shape of a spiral or snakelike setting, enable to heat exchanging segment 40 it
Between arrangement closely.Certainly, heat exchanging segment 40 can also linearly be arranged.In order to accelerate heat exchange rate, generally it is provided with inner bag 13
Multiple heat exchanging segments 40, can be to be sequentially connected in series or in parallel between multiple heat exchanging segments 40, or be mixed using series connection and parallel connection
The mode closed is configured.As shown in figure 1, for the efficiency and the uniformity that improve heat exchanging segment 40 with want to become material heat exchange, also may be used
Outer wall setting fin 50 in connection end, so can increase the contact area of heat exchanging segment 40 and phase-change material 14, to improve heat exchange
Efficiency.
The utility model phase-change thermal storage type water heater also includes a loop branch pipe 60, as shown in figure 1, this loop branch pipe 60
Two ends are connected with water inlet and delivery port respectively, and loop branch pipe 60 forms a circulation line with heat exchanging pipe, in circulation line
It is provided with the driving means 61 for driving current flowing, the driving means 61 for driving current flowing are used for driving cycle pipe
Water circulation flowing in road.And it is provided with heater 62 in this circulation line, for heating to the water in circulation line.
Preferably, this heater 62 may be selected to be conventional electric heater, and this electric heater has small volume, high-power feature,
Not only easily install but also disclosure satisfy that the use demand of heat;Driving means 61 are preferably water pump.Wherein, loop branch pipe 60 can
It is structure as a whole with heat exchanging pipe.
When filling cold water in circulation line, and when closing outlet pipe 30, then open heater 62 and be used for driving
Current flowing driving means 61, now heater 62 water in circulation line is heated, for drive current flow
Driving means 61 can hot water in driving cycle pipeline in circulation line internal circulation flow, when hot water is through heat exchanging segment 40,
Hot water passes through this heat exchanging segment 40 and carries out heat exchange with the phase-change material 14 in casing, and the heat of hot water is absorbed by phase-change material 14 simultaneously
Temperature can reduce, and heater 62 can be heated persistently to the water in this circulation line, so that the water temperature in circulation line is continued
Continuous rise, thus continuing to heat to the phase-change material 14 in casing, adds to the water in circulation line by this heater 62
Heat, by the driving effect of the driving means 61 for driving current flowing, hot water flow to heat exchanging segment 40 and transfers heat to case
Phase-change material 14 in body, until the temperature of phase-change material 14 reaches preset temperature, are then shut off heater 62 and are used for driving
The driving means 61 of current flowing, said process is the heat accumulation process of this phase-change thermal storage type water heater.Typically by phase-change material
14 temperature setting is 75 DEG C, if too high, then, when giving the water heating in heat exchanging segment 40 when this phase-change material 14, easily increases water
The generation of dirt.
When needing using hot water, open water inlet pipe 20 and outlet pipe 30, outside cold water flows into this circulation through water inlet pipe 20
Pipeline, by reasonably arranging the position that water inlet pipe 20 is connected with circulation line, make from water inlet pipe 20 flow into water through heat exchange
Section 40, so, cold water can absorb heat when through heat exchanging segment 40 from phase-change material 14, thus guarantee from outlet pipe 30 out be
Hot water, to meet the hot water demand of user, this process is the exothermic process of this phase-change thermal storage type water heater.
Due to the heater 62 feedwater heating being provided in circulation line, water transfers heat to phase-change material 14 again,
I.e. heater 62 is not to heat directly to phase-change material 14, so, it is possible to be prevented effectively from heater 62 and phase-change material 14
The local temperature of contact is too high and destroy phase-change material 14, leads to phase-change material 14 denaturation to lose heat storage function.
Because phase-change material 14 is typically harmful, in order to prevent phase-change material 14 to be leaked to after outlet pipe 30 from water outlet
Pipe 30 flows out, as shown in figure 1, being provided with switch valve 70 and phase-change material detects module on outlet pipe 30, in going out of outlet pipe 30
On water direction, after phase-change material 14 detection module is located at switch valve 70, phase-change material 14 detection module is used for detecting outlet pipe
Phase-change material 14 in 30, so, when phase-change material 14 is leaked into heat exchanging pipe and flows into outlet pipe 30, reaches switch valve
Before 70, the leakage of this phase-change material detects module meeting in time detection to phase-change material 14, then by the leakage of phase-change material 14
Information transmission, to switch valve 70, can be closed the conducting of oneself after the leakage information of switch valve 70 reception phase-change material 14, prevent phase
Become material 14 to flow out from outlet pipe 30 and hurt human body.Wherein, phase-change material detects module can be by the leakage of phase-change material 14
Information passes to switch valve 70 by a simple triggers circuit, then switch valve 70 according to the leakage information of phase-change material 14 from
The dynamic closing conducting of oneself, such as this switch valve 70 can be chosen with the magnetic valve of automatic closing function, to realize above-mentioned functions.Excellent
Selection of land, can arrange switch valve 70 and phase-change material detects module is all connected with a control module, so, can by control module
The easily opening and closing of controlling switch valve 70.
As shown in figure 1, above-mentioned loop branch pipe 60 is provided in outside casing, to facilitate setting valve on loop branch pipe 60
Door, the convenient flow direction controlling water route;And by arranging this loop branch pipe 60, so, a part of pipeline in circulation line is to set
Put outside casing, when some failure problems in circulation line, by this casing outside pipeline can easily overhaul circulation
Fault in pipeline, overhauls to the pipeline in casing without destroying casing.
Preferably, as shown in figure 1, setting heater 62 is located at the pipe in the water inlet direction from water inlet pipe 20 to heat exchanging pipe
Lu Shang, will this heater 62 between the entrance of the junction of water inlet pipe 20 and circulation line and heat exchanging segment 40, compare
In this heater 62 is positioned close to from heat exchanging pipe to the water side of outlet pipe 30 upwards, can by this heater 62
Improve the water temperature entering heat exchanging pipe, the heat in phase-change material 14 can be discharged to greatest extent, improve energy utilization rate.
When controlling the water flowing into from water inlet pipe 20 to flow to circulation line for convenience, the flow direction in circulation line,
As shown in figure 1, be located on the pipeline outside casing in circulation line be provided with control valve 63, and by control valve 63 located at water inlet pipe 20 He
Between outlet pipe 30 and two junctions of circulation line, so, in the exothermic process of this phase-change thermal storage type water heater, should when closing section
When entering control valve 63, the water flowing into from water inlet pipe 20 can only flow to outlet pipe 30 by heat exchanging segment 40, and so, it is special not need
Setting water inlet pipe 20 and the link position of circulation line, can greatly simplify the structure setting of this phase-change thermal storage type water heater.Certainly,
In the heat accumulation process of this phase-change thermal storage type water heater, open this control valve 63, you can realize hot water circuit and add to phase-change material 14
Heat.
In an embodiment of the present utility model, can arrange this control valve 63 is one-way flow valve, and the leading of one-way flow valve
Logical direction is the junction from the junction of outlet pipe 30 and circulation line towards water inlet pipe 20 and circulation line, so, can be certainly
In the exothermic process of this phase-change thermal storage type water heater, the water flowing into from water inlet pipe 20 can only be flow to by heat exchanging segment 40 for dynamic realization
Outlet pipe 30;In the heat accumulation process of this phase-change thermal storage type water heater, achievable hot water circuit heats to phase-change material 14.
As shown in figure 1, for the leaving water temperature better controling over outlet pipe 30, arranging a mixed water arm 80, mixed water arm
80 two ends are connected with water inlet pipe 20 and outlet pipe 30 respectively, and mixed water arm 80 is provided with triple valve with the junction of outlet pipe 30
81, so, in the exothermic process of this phase-change thermal storage type water heater, the water flowing out from outlet pipe 30 is not only included from heat exchanging segment 40
The hot water that pipeline flows into, is also included the cold water flowing into from this mixed water arm 80, now, is flowed into the heat of this triple valve 81 by setting
Discharge and cold water flow, you can adjust the water temperature of the water flowing out from this triple valve 81, use water with meet user's particular water temperature
Demand.Preferably, can arrange this triple valve 81 is thermostatic valve, so, automatically adjusting of achievable outlet pipe 30 leaving water temperature, enter
One step ground uses with facilitating user.
The utility model also proposes a kind of control method of phase-change thermal storage type water heater, wherein, as shown in figure 1, this phase transformation
Heat storage water heater includes heat exchanging pipe, and heat exchanging pipe has water inlet and delivery port, and heat exchanging pipe includes and phase-change material 14
The heat exchanging segment 40 of contact;Loop branch pipe 60, the two ends of loop branch pipe 60 are connected with water inlet and delivery port respectively, and loop branch pipe
60 form a circulation line with heat exchanging pipe, and circulation line is provided with the driving means 61 for driving current flowing;Heating dress
Put 62, be installed in circulation line;Water inlet pipe 20, water inlet pipe 20 is connected with heat exchanging segment 40 by water inlet;Outlet pipe 30, water outlet
Pipe 30 is connected with heat exchanging segment 40 by delivery port;Phase-change material detects module and switch valve 70, phase-change material detects module and opening
Close valve 70 all on outlet pipe 30, outlet pipe 30 water side upwards, phase-change material detects module positioned at switch valve 70 it
Afterwards.
Specifically, as shown in Fig. 2 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, such as the temperature of this temperature measurement module is visited
Head is arranged in phase-change material 14, pre-sets the maximum temperature (threshold value) of phase-change material 14, is such as traditionally arranged to be 75 DEG C, works as temperature
When degree probe detects the temperature of phase-change material 14 and reaches maximum temperature, then send cue (as voice signal etc.), remind
User carries out corresponding operating, or automatically carries out corresponding operation by a control module connecting with this temperature measurement module.
Step S20:If so, heater 62 is controlled to quit work.
Specifically, when the temperature of phase-change material 14 reaches maximum temperature, user can be according to the cue of temperature measurement module
Manual-lock heater 62, stops the heating to phase-change material 14 it is also possible to control mould by being connected with heater 62
Block automatic control heating device 62 quits work.In embodiment of the present utility model, realize certainly preferably by a control module
Dynamic control, so, can reduce the participation of user, save the time of user.
Because phase-change material 14 is typically harmful, in order to prevent phase-change material 14 to be leaked to after outlet pipe 30 from water outlet
Pipe 30 flows out, for this reason, the utility model also proposes the control method of another kind of phase-change thermal storage type water heater, wherein, as Fig. 1 institute
Show, this phase-change thermal storage type water heater includes heat exchanging pipe, and heat exchanging pipe has water inlet and delivery port, heat exchanging pipe include with
The heat exchanging segment 40 of phase-change material 14 contact;Loop branch pipe 60, the two ends of loop branch pipe 60 are connected with water inlet and delivery port respectively,
And loop branch pipe 60 forms a circulation line with heat exchanging pipe, circulation line is provided with the driving means for driving current flowing
61;Heater 62, is installed in circulation line;Water inlet pipe 20, water inlet pipe 20 is connected with heat exchanging segment 40 by water inlet;Water outlet
Pipe 30, outlet pipe 30 is connected with heat exchanging segment 40 by delivery port;Phase-change material detects module and switch valve 70, phase-change material detects
Module and switch valve 70 all on outlet pipe 30, outlet pipe 30 water side upwards, phase-change material detects module be located at open
After closing valve 70.
Specifically, as shown in figure 3, the control method of this phase-change thermal storage type water heater includes:
Step S100:Phase-change material 14 whether is comprised in detection outlet pipe 30;
Step S200:If comprising, close outlet pipe 30.
Specifically, switch valve 70 and phase-change material detects module can be set on outlet pipe 30, in the water outlet of outlet pipe 30
On direction, after phase-change material detects module is located at switch valve 70, phase-change material detects module is used for detecting in outlet pipe 30
Phase-change material 14, so, when phase-change material 14 is leaked into heat exchanging pipe and flows into outlet pipe 30, reach switch valve 70 it
Before, the leakage of this phase-change material detects module meeting in time detection to phase-change material 14, phase-change material detects module can be by phase transformation material
The leakage information of material 14 passes to switch valve 70 by a simple triggers circuit, and then switch valve 70 is according to phase-change material 14
Leakage information is automatically switched off the conducting of oneself, and such as this switch valve 70 can be chosen with the magnetic valve of automatic closing function, and should
Phase-change material detects module is integrated in this magnetic valve, so, can reduce shared space when both install.Above-mentioned to realize
Function.Preferably, switch valve 70 can be set and phase-change material detects module is all connected with a control module, so, by controlling
Module can easily controlling switch valve 70 opening and closing.So, you can effectively prevent phase-change material 14 from flowing out from outlet pipe
And hurt human body.
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 equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content
Change, or directly/be indirectly used in other related technical fields and be included in scope of patent protection of the present utility model.