CN211601122U - Phase-change water heater - Google Patents
Phase-change water heater Download PDFInfo
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- CN211601122U CN211601122U CN201921750074.1U CN201921750074U CN211601122U CN 211601122 U CN211601122 U CN 211601122U CN 201921750074 U CN201921750074 U CN 201921750074U CN 211601122 U CN211601122 U CN 211601122U
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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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Abstract
The utility model discloses a phase transition water heater, phase transition water heater includes: the phase change material is provided with a heat absorption process and a heat release process, the phase change material is converted into a second state from a first state in the heat absorption process, and the phase change material is converted into the first state from the second state in the heat release process; the water outlet temperature control system comprises a controller and an interference unit. According to the utility model discloses phase change water heater is used for making phase change material towards the interference ware of the conversion of heat release direction through setting up on the energy storage box to solve phase change material and lead to the problem of unable normal heat release because of various factors, guarantee phase change water heater normal use.
Description
Technical Field
The utility model relates to a water heater field, more specifically relates to a phase change water heater.
Background
As known to those skilled in the art, phase change materials have the ability to change their physical state over a range of temperatures, which is substantially constant as processes such as solid-liquid phase changes, liquid-vapor phase changes, etc. occur, and latent heat release and latent heat storage can occur.
Common phase-change materials are hydrated salts and paraffin waxes, wherein the hydrated salts are widely applied to multiple fields of heating, aerospace, clothing, communication, building materials and the like due to the characteristics of large phase-change latent heat, high heat conductivity coefficient, wide phase-change temperature range and the like, and have positive significance for reasonable utilization of resources and energy sources.
When the phase-change material is applied to heat storage, the phase-change material has the problems of phase separation and supercooling due to the characteristics of the material, so that the phase-change material has certain attenuation in use. The phase-change material system and the composition determine the performance of phase separation and supercooling to a certain extent, however, in practical application, the abnormity of the use environment often causes the rapid attenuation of the material performance, and in severe cases, the material can be failed, and the normal use of the material and the water heater is influenced. For example, due to the existence of the conditions such as the change of the user setting parameters, the change of the user voltage, etc., the heating processes of the material systems are often different, and for example, the abnormal heating temperature fluctuation and the long-time high-temperature storage energy condition all aggravate the change of the material performance.
Research shows that the supercooling degree of the phase change material influences the latent heat release, and when the supercooling degree of the phase change material is too large, the initial phase transition temperature is lower than room temperature, and the like, the stored latent heat cannot be released. When used subsequently, the material is apparently incapable of storing and releasing heat.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of above-mentioned technical problem to a certain extent at least.
Therefore, an object of the present invention is to provide a phase change water heater, which has a stable outlet temperature.
According to the utility model discloses phase transition water heater includes: the phase change material has a heat absorption process and a heat release process, the phase change material is converted into a second state from a first state in the heat absorption process, and the phase change material is converted into the first state from the second state in the heat release process; the water outlet temperature control system comprises a controller and an interference unit, the interference unit is arranged on the energy storage box, one part of the interference unit is inserted into the energy storage box and contacts with the phase-change material, and under the condition that the actual water outlet temperature of the heat exchanger is lower than the preset water outlet temperature, the controller starts the interference unit to enable the phase-change material to be converted into the first state from the second state.
According to the utility model discloses phase change water heater is used for making phase change material towards the interference ware of the conversion of heat release direction through setting up on the energy storage box to solve phase change material and lead to the problem of unable normal heat release because of various factors, guarantee that phase change water heater normally uses.
In addition, according to the utility model discloses phase change water heater can also have following additional technical characterstic:
according to some embodiments of the invention, the disturber is a vibration generator and/or an ultrasound generator.
According to some embodiments of the invention, the disturber comprises an insert, the outer circumference of which is coated with a protective layer, the protective layer being one or more of metal, plastic and alloy.
According to some embodiments of the invention, the interference unit comprises a plurality of interference units distributed on at least one side of the energy storage tank.
In an alternative embodiment, a plurality of said disturbers are connected in parallel.
In an alternative embodiment, a plurality of said disturbers operate simultaneously.
In an alternative embodiment, a plurality of said disturbers operate alternately.
In an alternative embodiment, the phase change material is an inorganic hydrated salt phase change material.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic illustration of a phase change water heater according to some embodiments of the present invention;
fig. 2 is a flow chart of a method of controlling the temperature of the outlet water of a phase change water heater according to some embodiments of the present invention;
fig. 3 is a flow chart of an outlet water temperature control method of a phase change water heater according to an embodiment of the present invention;
fig. 4 is a flow chart of an outlet water temperature control method of a phase change water heater according to another embodiment of the present invention.
Reference numerals:
a phase change water heater 100;
an energy storage tank 10; a phase change material 11; a heat exchange pipe 12;
an effluent temperature control system 20; a jammer 21; the insertion portion 211; an inlet water temperature sensor 22; an outlet water temperature sensor 23; a flow sensor 24; and a controller 25.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
Referring now to fig. 1-4, a phase change water heater 100 according to an embodiment of the present invention is described, the phase change water heater 100 including: energy storage box 10 and leaving water temperature control system 20.
Specifically, as shown in fig. 1, a phase change material 11 and a heat exchange tube 12 at least partially embedded in the phase change material 11 are provided in the energy storage tank 10.
Therein, the phase change material 11 has an endothermic process, in which the phase change material 11 is transformed from a first state to a second state, for example from a solid to a liquid, and an exothermic process, in which the phase change material 11 is transformed from the second state to the first state, for example from a liquid to a solid. It will be appreciated that the phase change process of the phase change material 11 may also be a gas-to-liquid conversion process.
As in the background art, under the condition that actual usage scenarios are different, the material properties of the phase change material of the phase change water heater 100 may change, and when the supercooling degree of the phase change material 11 is large, and the initial phase transition temperature is lower than room temperature, the stored latent heat cannot be released, so that the outlet water temperature cannot reach the expectation.
Based on the above, the utility model discloses phase change water heater 100 monitors leaving water temperature through a leaving water temperature control system 20 to set up an interference ware 21 at energy storage box 10, appear unusual circumstances in leaving water temperature, interference ware 21 can impel phase change material 11 to change into the first state from the second state, and the direction of releasing heat is changed promptly.
For example, in the case where the phase change material 11 is an inorganic hydrous salt phase change material 11, the disruptor 21 may promote rapid crystallization of the inorganic hydrous salt phase change material 11 to release heat, accelerating the release of latent heat. It is to be understood that the kind of the phase change material is not limited to the above, and the phase change material may include inorganic type including crystalline hydrated salt, molten salt, metal or alloy, etc. or organic type; the organic substances include paraffin, acetic acid, etc
Specifically, as shown in fig. 1, the interference unit 21 is disposed on the energy storage tank 10 and a portion of the interference unit is inserted into the energy storage tank 10 to contact the phase change material 11, and in the case that the actual outlet water temperature of the heat exchanger 12 is lower than the predetermined outlet water temperature, the controller 12 activates the interference unit 21 to cause the phase change material 11 to transform from the second state to the first state. That is, in the case where the phase change material 11 cannot normally release latent heat, the disrupter 21 may cause the phase change material 11 to release heat, causing the phase change material to change from a liquid state to a solid state or from a liquid state to a gas state.
In other words, the actual outlet water temperature indirectly reflects the heat storage and release capabilities of the phase change material 11, and when the actual outlet water temperature is found to be abnormal, the phase change material 11 can be interfered by the interference unit 21 in time.
In short, according to the embodiment of the present invention, the phase change water heater 100 is provided with the interference unit 21 for urging the phase change material 11 to change toward the heat release direction on the energy storage box 10, so as to solve the problem that the phase change material 11 cannot normally release heat due to various factors, and ensure that the phase change water heater 100 is normally used.
In some alternative embodiments, the disrupter 21 is a shock generator that causes the phase change material 11 to crystallize or liquefy under the action of vibrations of the shock generator. The specific shape and size of the vibration generator are not particularly limited, and any shape and size may be used as long as they can promote the phase change material 11 to release heat to some extent.
In other alternative embodiments, the disrupter 21 is an ultrasonic generator that generates ultrasonic waves to disrupt the phase change material 11, causing the phase change material 11 to crystallize or liquefy. The specific shape and size of the ultrasonic generator are not particularly limited, and any ultrasonic generator may be used as long as it can promote the phase change material 11 to release heat to some extent.
In an alternative example, as shown in fig. 1, the interference unit 21 includes an insertion portion 211, and an outer circumference of the insertion portion 211 is coated with a protective layer, and the protective layer is one or more of metal, plastic, and alloy. That is, the corrosion resistance of the insertion portion 211 is improved by the protective layer, and the service life of the jammer 21 is improved.
In other embodiments of the present invention, the interference unit 21 includes a plurality of interference units 21, and the plurality of interference units 21 are distributed on at least one side surface of the energy storage box 10, for example, the interference units 21 may be disposed on the front surface, the rear surface, the left surface, the right surface, or the upper surface and the lower surface of the energy storage box 10. That is, the transformation of the phase change material 11 is affected from different regions by the plurality of disturbers 21, thereby rapidly solving the problem of heat release hindrance of the phase change material 11.
In an alternative example, a plurality of disturbers 21 are connected in parallel. I.e. the connections of the plurality of disturbers 21 to the controller 25 are independent from each other, which facilitates the control of the disturbers 21 of different zones by the controller 25.
In one embodiment, multiple disturbers 21 are operated simultaneously. That is, under the condition that the temperature of the outlet water is lower than the preset temperature, the plurality of disruptors 21 simultaneously promote the phase change material 11 to release heat, so as to rapidly solve the problem that the phase change material 11 cannot release heat normally.
In another embodiment, the plurality of disturbers 21 operate alternately. That is, under the condition that the temperature of the outlet water is lower than the preset temperature, in a certain period, one part of the disruptors 21 is started, and the other part of the disruptors 21 is not operated, and in another period, one part of the disruptors 21 is not operated, and the other part of the disruptors 21 is operated. By the design, the problem that the circuit is unsafe due to large load of the phase-change heat water heater can be solved.
As shown in fig. 2, the method for controlling the outlet water temperature of the phase-change water heater 100 according to the embodiment of the present invention includes the following steps: and detecting the actual outlet water temperature T of the heat exchange pipe 12, and starting the interference unit 21 to interfere the phase change material 11 in the energy storage box 10 under the condition that the outlet water temperature is lower than the preset outlet water temperature Tm, so as to promote the phase change material 11 to be converted from the second state to the first state. Namely, when the actual outlet water temperature is lower than the preset outlet water temperature, the interference unit 21 is started to work, and the phase change material 11 is promoted to release heat. The outlet water temperature can be detected by the outlet water temperature sensor 23, the interference unit 21 and the outlet water temperature sensor 23 are both connected with the controller 25 in the outlet water temperature control system 20, whether the actual outlet water temperature is deviated from the preset outlet water temperature or not is judged by the controller 25, and whether the interference unit 21 is started to interfere the phase-change material 11 or not is confirmed.
As shown in fig. 3, in an optional embodiment, the outlet water temperature control method further includes: at a time node T, by detecting the water inlet temperature of the heat exchange tube 12, the controller matches a corresponding preset water outlet temperature Tm according to the water inlet temperature, and starts the interference unit 21 to work when T is less than Tm; and when T is more than or equal to Tm, the operation of the interference unit 21 is stopped. That is, the actual outlet water temperature is compared with a predetermined outlet water temperature stored in the controller 25, and the predetermined outlet water temperature is obtained by inputting different inlet water temperatures into the energy storage tank 10 without any abnormality in the phase change material 11 and then measuring the outlet water temperatures, respectively. Thus, in the case of the same inlet water temperature, when the actual outlet water temperature is lower than the predetermined outlet water temperature value, the disrupter 21 may be activated to disrupt the phase change material 11.
As shown in fig. 4, in a further optional embodiment, the outlet water temperature control method further includes the following steps: at a time node T, detecting the water inlet flow of the heat exchange tube 12, matching the controller 21 with a corresponding preset water outlet temperature Tm according to the water inlet temperature and the water inlet flow, and starting the interference unit 21 to work when T is less than Tm; and when T is more than or equal to Tm, the operation of the interference unit 21 is stopped. It can be understood by those skilled in the art that in the case of a change in water pressure, the inflow rate of the heat exchange tube 12 will change, and therefore, in order to ensure the accuracy of the regulation of the outlet water temperature, when determining whether to start the disrupter 21, the inflow rate can be considered to be detected, and in the case that the inflow temperature and the inflow rate are the same, it is determined whether the actual outlet water temperature is different from the predetermined outlet water temperature.
As shown in fig. 1, a water inlet pipe of the heat exchange pipe 12 is provided with a water inlet temperature sensor and a water inlet flow sensor, a water outlet pipe of the heat exchange pipe 12 is provided with a water outlet temperature sensor, and the water inlet temperature sensor 22, the flow sensor 24 and the interference unit 21 are all connected with a controller 25. The detection data of the outlet water temperature sensor 23, the inlet water temperature sensor 22 and the flow sensor 24 are received by the controller 25, and the controller 25 determines whether to activate the pulsator 21 based on the detection data.
According to the utility model discloses phase change water heater's play water temperature's control method, through comparing actual leaving water temperature and predetermined leaving water temperature, confirm whether start the disturber and disturb phase change material, solved the unable normal problem of releasing heat of phase change material.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.
Claims (8)
1. A phase change water heater, comprising:
the phase change material has a heat absorption process and a heat release process, the phase change material is converted into a second state from a first state in the heat absorption process, and the phase change material is converted into the first state from the second state in the heat release process;
the water outlet temperature control system comprises a controller and an interference unit, wherein the interference unit is arranged on the energy storage box, one part of the interference unit is inserted into the energy storage box and contacts with the phase-change material, under the condition that the actual water outlet temperature of the phase-change water heater is lower than the preset water outlet temperature, the controller starts the interference unit to enable the phase-change material to be converted into the first state from the second state.
2. A phase change water heater according to claim 1 wherein the disrupter is a shock generator and/or an ultrasonic generator.
3. A phase change water heater according to claim 1, wherein the disrupter comprises an insert portion having a periphery coated with a protective layer, the protective layer being one or more of a metal, a plastic and an alloy.
4. A phase change water heater according to claim 1 wherein the disrupter comprises a plurality, the plurality being distributed on at least one side of the energy storage tank.
5. The phase change water heater according to claim 4, wherein a plurality of said disruptors are connected in parallel.
6. The phase change water heater according to claim 4, wherein a plurality of said disruptors operate simultaneously.
7. The phase change water heater of claim 4 wherein a plurality of said disruptors operate alternately.
8. A phase change water heater according to claim 1, wherein the phase change material is an inorganic hydrated salt phase change material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921750074.1U CN211601122U (en) | 2019-10-17 | 2019-10-17 | Phase-change water heater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921750074.1U CN211601122U (en) | 2019-10-17 | 2019-10-17 | Phase-change water heater |
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| CN211601122U true CN211601122U (en) | 2020-09-29 |
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| CN201921750074.1U Active CN211601122U (en) | 2019-10-17 | 2019-10-17 | Phase-change water heater |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150972A (en) * | 2021-02-27 | 2021-07-23 | 蒋建国 | Automatic temperature control device for organic waste biological decomposition |
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2019
- 2019-10-17 CN CN201921750074.1U patent/CN211601122U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113150972A (en) * | 2021-02-27 | 2021-07-23 | 蒋建国 | Automatic temperature control device for organic waste biological decomposition |
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