CN219147343U - Water dispenser and heat exchanger thereof - Google Patents
Water dispenser and heat exchanger thereof Download PDFInfo
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- CN219147343U CN219147343U CN202223144671.4U CN202223144671U CN219147343U CN 219147343 U CN219147343 U CN 219147343U CN 202223144671 U CN202223144671 U CN 202223144671U CN 219147343 U CN219147343 U CN 219147343U
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Abstract
The utility model relates to the technical field of water dispensers, in particular to a water dispenser and a heat exchanger thereof, and aims to solve the problem that the existing water dispenser is low in efficiency in preparing warm boiled water. The heat exchanger of the water dispenser comprises a shell, wherein a first water inlet, a second water inlet, a first water outlet and a second water outlet are formed in the shell, a first heat exchange cavity and a second heat exchange cavity which can exchange heat with each other are formed in the shell, the first water inlet and the first water outlet are communicated with the first heat exchange cavity, the second water inlet and the second water outlet are communicated with the second heat exchange cavity, and the heat exchanger further comprises a refrigerating device which is used for cooling water in the first heat exchange cavity. When normal-temperature water and boiled water respectively flow in the two heat exchange cavities of the heat exchanger, the refrigerating device refrigerates the water in the first heat exchange cavity while the warm water and the boiled water exchange heat, so that the temperature of the boiled water can be reduced rapidly, and the preparation efficiency of the warm boiled water is improved.
Description
Technical Field
The utility model relates to the technical field of water dispensers, and particularly provides a water dispenser and a heat exchanger thereof.
Background
Along with the continuous improvement of the living standard of people, the water dispenser becomes a stock household appliance in more families. In general, a heating device is provided in a water dispenser, and water is heated by the heating device to become boiled water and then supplied to a user. However, boiled water contained in the water dispenser cannot be directly drunk due to higher temperature, and the boiled water can be drunk after being placed for a period of time and the water temperature is reduced to a certain temperature, so that the boiled water is inconvenient for users to drink in time.
The improved water dispenser has warm boiled water function, the heat exchanger is arranged in the water dispenser, normal-temperature water flows through the normal-temperature water channel of the heat exchanger through the pipeline and then flows to the heating device, water flowing into the heating device is heated into boiled water and then flows out, and boiled water flowing out of the heating device flows through the boiled water channel of the heat exchanger and then flows to the water outlet of the water dispenser. In the process, the normal temperature water in the normal temperature water channel exchanges heat with the boiled water in the boiled water channel, the normal temperature water in the normal temperature water channel rises, and the boiled water in the boiled water channel reduces to be warm boiled water. The normal temperature water flowing out from the water outlet can be directly drunk by a user. However, the preparation efficiency of warm water is low due to the limitation of the heat exchange efficiency of the warm water and the boiled water in the heat exchanger.
Accordingly, there is a need in the art for a new solution to the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the technical problems, namely the problem of lower efficiency of the existing water dispenser for preparing warm boiled water.
In a first aspect, the utility model provides a heat exchanger of a water dispenser, the heat exchanger comprises a shell, a first water inlet, a second water inlet, a first water outlet and a second water outlet are arranged on the shell, a first heat exchange cavity and a second heat exchange cavity which can exchange heat with each other are arranged in the shell, the first water inlet and the first water outlet are communicated with the first heat exchange cavity, the second water inlet and the second water outlet are communicated with the second heat exchange cavity, and the heat exchanger further comprises a refrigerating device which is used for cooling water in the first heat exchange cavity.
In the preferred technical scheme of the heat exchanger, a heat exchange tube is arranged in the shell, two ends of the heat exchange tube are respectively communicated with the second water inlet and the second water outlet, a first heat exchange cavity is formed between the heat exchange tube and the shell, and a second heat exchange cavity is formed inside the heat exchange tube.
In the preferred technical scheme of the heat exchanger, the heat exchange tube is a spiral heat exchange tube.
In the preferred technical scheme of the heat exchanger, the shell is a tube body sleeved outside the heat exchange tube and coaxial with the heat exchange tube.
In the preferred technical scheme of the heat exchanger, a heat conducting partition plate is arranged in the shell, and the cavity in the shell is divided into the first heat exchange cavity and the second heat exchange cavity by the heat conducting partition plate.
In the preferred technical scheme of the heat exchanger, the refrigerating device comprises a compressor, a condenser, a throttling element and an evaporator, wherein the compressor, the condenser, the throttling element and the evaporator are connected through refrigerant pipelines to form a circulation loop, and the evaporator is used for exchanging heat with water in the first heat exchange cavity.
In a preferred technical scheme of the heat exchanger, the evaporator is wound on the outer surface of the shell or is arranged in the first heat exchange cavity.
In a preferred technical scheme of the heat exchanger, the refrigerating device comprises a semiconductor refrigerating sheet arranged outside the shell.
Under the condition of adopting the technical scheme, the heat exchanger of the water dispenser comprises a shell, a first water inlet, a second water inlet, a first water outlet and a second water outlet are arranged on the shell, a first heat exchange cavity and a second heat exchange cavity which can exchange heat with each other are arranged in the shell, the first water inlet and the first water outlet are communicated with the first heat exchange cavity, the second water inlet and the second water outlet are communicated with the second heat exchange cavity, the heat exchanger further comprises a refrigerating device, and the refrigerating device is used for cooling water in the first heat exchange cavity.
Through the arrangement, when normal-temperature water and boiled water respectively flow in the two heat exchange cavities of the heat exchanger, the refrigerating device performs heat exchange between the normal-temperature water and the boiled water, and simultaneously, the refrigerating device refrigerates the water in the first heat exchange cavity, so that the temperature of the boiled water can be reduced rapidly, and the preparation efficiency of the warm boiled water is improved.
In a second aspect, the utility model also provides a water dispenser comprising the heat exchanger of the water dispenser according to any one of the above technical solutions.
In a preferred technical solution of the water dispenser, the first water inlet is connected to a water source, the first water outlet is connected to an inlet of a heating device, an outlet of the heating device is connected to the second water inlet, and the second water outlet is connected to a water outlet of the water dispenser; or the second water inlet is connected to a water source, the second water outlet is connected to an inlet of a heating device, an outlet of the heating device is connected to the first water inlet, and the first water outlet is connected to a water outlet of the water dispenser.
It should be noted that the water dispenser has all the technical effects of the heat exchanger of the water dispenser according to any one of the above technical schemes, and will not be described herein.
Drawings
Preferred embodiments of the present utility model are described below with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of a pipeline structure of a water dispenser according to an embodiment of the utility model;
FIG. 2 is a schematic view showing an internal structure of a water dispenser according to an embodiment of the present utility model;
FIG. 3 is a partial schematic view of a heat exchanger of a water dispenser according to one embodiment of the utility model.
List of reference numerals:
1. a booster pump; 2. a reverse osmosis filter element; 31. a housing; 311. a first water inlet; 312. a first water outlet; 313. a second water inlet; 314. a second water outlet; 32. a spiral heat exchange tube; 331. a compressor; 332. a condenser; 333. an electronic expansion valve; 334. an evaporator; 335. a heat radiation fan; 4. a heating device; 51. a proportional control valve; 52. flushing the electromagnetic valve; 53. an electromagnetic valve; 54. a one-way valve; 6. a water outlet; 71. a first temperature sensor; 72. a second temperature sensor; 73. and a third temperature sensor.
Detailed Description
First, it should be understood by those skilled in the art that the embodiments described below are merely for explaining the technical principles of the present utility model, and are not intended to limit the scope of the present utility model.
It should be noted that in the description of the present utility model, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that in the description of the present utility model, unless explicitly stated and limited otherwise, the term "coupled" should be interpreted broadly, as for example, whether fixedly coupled, detachably coupled, or integrally coupled. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.
Based on the problem that the efficiency of preparing warm boiled water by the existing water dispenser is low in the background technology, the utility model provides the water dispenser and the heat exchanger thereof, the heat exchanger comprises a shell, a first water inlet, a second water inlet, a first water outlet and a second water outlet are arranged on the shell, a first heat exchange cavity and a second heat exchange cavity which can exchange heat with each other are arranged in the shell, the first water inlet and the first water outlet are communicated with the first heat exchange cavity, the second water inlet and the second water outlet are communicated with the second heat exchange cavity, the heat exchanger further comprises a refrigerating device, and the refrigerating device is used for cooling water in the first heat exchange cavity. When normal-temperature water and boiled water respectively flow in the two heat exchange cavities of the heat exchanger, the refrigerating device refrigerates the water in the first heat exchange cavity while the warm water and the boiled water exchange heat, so that the temperature of the boiled water can be reduced rapidly, and the preparation efficiency of the warm boiled water is improved.
Embodiments of the present utility model are described below with reference to fig. 1 to 3. FIG. 1 is a schematic diagram of a pipeline structure of a water dispenser according to an embodiment of the present utility model;
FIG. 2 is a schematic view showing an internal structure of a water dispenser according to an embodiment of the present utility model; FIG. 3 is a partial schematic view of a heat exchanger of a water dispenser according to one embodiment of the utility model.
As shown in fig. 1 to 3, the water dispenser includes a booster pump 1, a reverse osmosis filter element 2, a heat exchanger, and a heating device 4. The heat exchanger comprises a cylindrical shell 31, a first water inlet 311, a second water inlet 313 and a second water outlet 314 are arranged at the lower end of the shell 31, and a first water outlet 312 is arranged at the upper end of the shell 31. A spiral heat exchange tube 32 is arranged in the shell 31, two ends of the spiral heat exchange tube 32 are respectively communicated with the second water inlet 313 and the second water outlet 314, a first heat exchange cavity is formed between the shell 31 and the spiral heat exchange tube 32, and a second heat exchange cavity is formed inside the spiral heat exchange tube 32. The heat exchanger further comprises a refrigerating device, and the refrigerating device is used for cooling water in the first heat exchange cavity. Specifically, the refrigeration device includes a compressor 331, a condenser 332, an electronic expansion valve 333 as a throttling element, and an evaporator 334, where the compressor 331, the condenser 332, the electronic expansion valve 333, and the evaporator 334 are connected by refrigerant pipes to form a circulation loop, the condenser 332 is configured with a cooling fan 335, and the evaporator 334 is wound around the outer surface of the housing 31 and is used for exchanging heat with water in the first heat exchange cavity.
The water inlet of booster pump 1 is connected to the water source (such as the running water pipe) through a pipeline, the delivery port of booster pump 1 is connected to the water inlet of reverse osmosis filter core 2 through a sleeve pipe, the waste water outlet of reverse osmosis filter core 2 is connected with the waste water discharge pipe, be provided with on the waste water discharge pipe and wash solenoid valve 52, the pure water outlet of reverse osmosis filter core 2 is connected to the first water inlet 311 of heat exchanger through a pipeline, the first delivery port 312 of heat exchanger is connected to the water inlet of heating device 4 through a pipeline, the delivery port of heating device 4 is connected to the second water inlet 313 of heat exchanger through a pipeline, the second delivery port 314 of heat exchanger is connected to the first water inlet of proportional control valve 51 through a pipeline, the delivery port of heating device 4 is connected to the second water inlet of proportional control valve 51 through another pipeline, the delivery port of proportional control valve 51 is connected to the delivery port 6 of water dispenser through a pipeline. The electromagnetic valve 53 is arranged on a pipeline between the pure water outlet of the reverse osmosis filter element 2 and the first water inlet 311 of the heat exchanger, the one-way valve 54 and the first temperature sensor 71 are arranged on a pipeline between the first water outlet 312 of the heat exchanger and the water inlet of the heating device 4, the second temperature sensor 72 is arranged at the water outlet of the heating device 4, and the third temperature sensor 73 is arranged on a pipeline between the water outlet of the proportional control valve 51 and the water outlet 6 of the water dispenser.
In the use process, tap water flows to the reverse osmosis filter element 2 after being pressurized by the booster pump 1, pure water is obtained after the pressurized tap water is filtered by the reverse osmosis filter element 2, pure water flowing out of a pure water outlet of the reverse osmosis filter element 2 flows to the heating device 4 after sequentially flowing through the electromagnetic valve 53, the first water inlet 311, the first heat exchange cavity of the heat exchanger, the first water outlet 312, the one-way valve 54 and the first temperature sensor 71, pure water flowing into the heating device 4 is heated into boiled water, the boiled water flowing out of the water outlet of the heating device 4 is divided into two parts, one part of boiled water flows to the proportional control valve 51 after sequentially flowing through the second water inlet 313, the second heat exchange cavity and the second water outlet 314, one part of boiled water directly flows to the proportional control valve 51, and two parts of boiled water finally flows out of the water outlet 6 of the water dispenser after being mixed at the proportional control valve 51. In the process, the heat of the boiled water flowing into the first heat exchange cavity is exchanged with the heat of the boiled water flowing into the second heat exchange cavity, and the heat of the boiled water in the second heat exchange cavity is transferred to the heat of the boiled water in the first heat exchange cavity to be changed into warm boiled water. Meanwhile, the compressor 331 is operated, the low-temperature low-pressure gaseous refrigerant entering the compressor 331 is compressed by the compressor 331 to become a high-temperature high-pressure gaseous refrigerant, the high-temperature high-pressure gaseous refrigerant enters the condenser 332 to dissipate heat to become a high-temperature high-pressure liquid refrigerant, the high-temperature high-pressure liquid refrigerant is throttled and depressurized by the electronic expansion valve 333 to enter the evaporator 334, and is evaporated in the evaporator 334 to become a low-temperature low-pressure gaseous refrigerant, and the low-temperature low-pressure gaseous refrigerant is finally sucked into the compressor 331 to be circulated. The refrigerant in the evaporator 334 absorbs a large amount of heat in the evaporation process, so that the temperature of water flowing into the first heat exchange cavity is reduced, the water in the first heat exchange cavity can absorb more heat from the second heat exchange cavity, the heat exchange efficiency of the warm water and the boiled water in the heat exchanger is improved, and the preparation efficiency of warm boiled water is further improved. The spiral heat exchange tube 32 increases the heat exchange area between the warm water in the first heat exchange cavity and the boiled water in the second heat exchange cavity, and also helps to improve the heat exchange efficiency between the warm water and the boiled water.
It should be noted that, the spiral heat exchange tube 32 is disposed in the housing 31, two ends of the spiral heat exchange tube 32 are respectively communicated with the second water inlet 313 and the second water outlet 314, a first heat exchange cavity is formed between the housing 31 and the spiral heat exchange tube 32, and a second heat exchange cavity is formed in the interior of the spiral heat exchange tube 32, which is only a preferred arrangement mode, and in practical application, an adjustment can be made on the spiral heat exchange tube, for example, a heat exchange straight tube is disposed in the housing 31, two ends of the heat exchange straight tube are respectively communicated with the second water inlet 313 and the second water outlet 314, a first heat exchange cavity is formed between the housing 31 and the heat exchange straight tube, a second heat exchange cavity is formed in the heat exchange straight tube, or a heat conducting partition board is disposed in the housing 31, and the cavity in the housing 31 is partitioned into the first heat exchange cavity and the second heat exchange cavity by the heat conducting partition board; it is also possible that the housing 31 is a tube body arranged coaxially with the spiral heat exchange tube 32. In addition, the evaporator 334 is wound around the outer surface of the casing 31, which is only a specific arrangement mode, and can be adjusted in practical application, for example, the evaporator 334 is arranged in the first heat exchange cavity in a penetrating manner, so that the contact area between the heat exchanger 334 and the water in the first heat exchange cavity is larger, and the preparation efficiency of warm boiled water can be further improved. In addition, the refrigerating device includes a compressor 331, a condenser 332, an electronic expansion valve 333 as a throttling element, and an evaporator 334, and the compressor 331, the condenser 332, the electronic expansion valve 333, and the evaporator 334 are connected through refrigerant pipes to form a circulation loop, which is also a specific arrangement mode, and can be adjusted in practical application, for example, in another possible arrangement mode, the refrigerating device includes a semiconductor refrigerating sheet disposed outside the housing 31, and the semiconductor refrigerating sheet cools the water in the first heat exchange cavity.
In another possible embodiment, unlike the above embodiment, the pure water outlet of the reverse osmosis cartridge 2 is connected to the second water inlet 313 of the heat exchanger through a pipe, the second water outlet 314 of the heat exchanger is connected to the water inlet of the heating device 4 through a pipe, the water outlet of the heating device 4 is connected to the first water inlet 311 of the heat exchanger through a pipe, the first water outlet 312 of the heat exchanger is connected to the first water inlet of the proportional control valve 51 through a pipe, and the water outlet of the heating device 4 is connected to the second water inlet of the proportional control valve 51 through another pipe.
In the use process, tap water flows to the reverse osmosis filter element 2 after being pressurized by the booster pump 1, pure water is obtained after the pressurized tap water is filtered by the reverse osmosis filter element 2, pure water flowing out of a pure water outlet of the reverse osmosis filter element 2 flows to the heating device 4 after sequentially flowing through the electromagnetic valve 53, the second water inlet 313, the first heat exchange cavity of the heat exchanger, the second water outlet 314, the one-way valve 54 and the first temperature sensor 71, pure water flowing into the heating device 4 is heated into boiled water, the boiled water flowing out of the water outlet of the heating device 4 is divided into two parts, one part of boiled water flows to the proportional control valve 51 after sequentially flowing through the first water inlet 311, the second heat exchange cavity and the first water outlet 312, one part of boiled water directly flows to the proportional control valve 51, and two parts of boiled water finally flows out of the water outlet 6 of the water dispenser after being mixed at the position of the proportional control valve 51. In the process, the normal-temperature water flowing into the second heat exchange cavity exchanges heat with the boiled water flowing into the first heat exchange cavity, and the heat of the boiled water in the first heat exchange cavity is transferred to the normal-temperature water in the second heat exchange cavity to be changed into warm boiled water. The refrigerant in the evaporator 334 absorbs a large amount of heat from the boiled water in the first heat exchange cavity in the evaporation process, so that the boiled water in the first heat exchange cavity can be quickly changed into warm boiled water, and the preparation efficiency of the warm boiled water is improved. Under the condition that the refrigerating power of the refrigerating device is large enough, the boiled water in the first heat exchange cavity can be changed into ice boiled water so as to provide the ice boiled water for a user.
In other possible embodiments, the water dispenser does not include the booster pump 1 and the reverse osmosis filter element 2 in the above embodiments, and the tap water pipe is directly connected to the first water inlet 311 (or the second water inlet 313) of the heat exchanger through one heat exchange pipe. In addition, barreled water can be used instead of tap water. Furthermore, the proportional control valve 51 in each of the above embodiments may not be included, and the water outlet of the heating device 4 may be connected to the second water inlet 313 (or the first water inlet 311) of the heat exchanger through only one pipe, and the second water outlet 314 (or the first water outlet 312) of the heat exchanger may be directly connected to the water outlet 6 through one pipe.
Thus far, the technical solution of the present utility model has been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of protection of the present utility model is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and substitutions will fall within the scope of the present utility model.
Claims (10)
1. A heat exchanger of a water dispenser is characterized by comprising a shell, wherein a first water inlet, a second water inlet, a first water outlet and a second water outlet are arranged on the shell, a first heat exchange cavity and a second heat exchange cavity which can exchange heat with each other are arranged in the shell, the first water inlet and the first water outlet are communicated with the first heat exchange cavity, the second water inlet and the second water outlet are communicated with the second heat exchange cavity,
the heat exchanger further comprises a refrigerating device, and the refrigerating device is used for cooling water in the first heat exchange cavity.
2. The heat exchanger according to claim 1, wherein a heat exchange tube is disposed in the housing, two ends of the heat exchange tube are respectively communicated with the second water inlet and the second water outlet, the first heat exchange cavity is formed between the heat exchange tube and the housing, and the second heat exchange cavity is formed inside the heat exchange tube.
3. The heat exchanger of claim 2, wherein the heat exchange tube is a spiral heat exchange tube.
4. The heat exchanger of claim 2, wherein the housing is a tube body that is sleeved outside the heat exchange tube and coaxial with the heat exchange tube.
5. The heat exchanger of claim 1, wherein a thermally conductive baffle is disposed within the housing, and wherein a cavity within the housing is separated into the first heat exchange chamber and the second heat exchange chamber by the thermally conductive baffle.
6. The heat exchanger according to any one of claims 1 to 5, wherein the refrigeration device comprises a compressor, a condenser, a throttling element and an evaporator, the compressor, the condenser, the throttling element and the evaporator being connected by refrigerant lines to form a circulation loop, the evaporator being adapted to exchange heat with water in the first heat exchange chamber.
7. The heat exchanger of claim 6, wherein the evaporator is wrapped around an outer surface of the housing or disposed within the first heat exchange chamber.
8. The heat exchanger of any one of claims 1 to 5, wherein the refrigeration device comprises a semiconductor refrigeration sheet disposed outside the housing.
9. A water dispenser, characterized in that it comprises a heat exchanger of the water dispenser according to any one of claims 1 to 8.
10. The water dispenser of claim 9, wherein the first water inlet is connected to a water source, the first water outlet is connected to an inlet of a heating device, an outlet of the heating device is connected to the second water inlet, and the second water outlet is connected to a water outlet of the water dispenser; or alternatively
The second water inlet is connected to a water source, the second water outlet is connected to an inlet of a heating device, an outlet of the heating device is connected to the first water inlet, and the first water outlet is connected to a water outlet of the water dispenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223144671.4U CN219147343U (en) | 2022-11-25 | 2022-11-25 | Water dispenser and heat exchanger thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223144671.4U CN219147343U (en) | 2022-11-25 | 2022-11-25 | Water dispenser and heat exchanger thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219147343U true CN219147343U (en) | 2023-06-09 |
Family
ID=86636313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223144671.4U Active CN219147343U (en) | 2022-11-25 | 2022-11-25 | Water dispenser and heat exchanger thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219147343U (en) |
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2022
- 2022-11-25 CN CN202223144671.4U patent/CN219147343U/en active Active
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