CN216652046U - Water outlet device with residual water backflow system - Google Patents
Water outlet device with residual water backflow system Download PDFInfo
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- CN216652046U CN216652046U CN202122728356.5U CN202122728356U CN216652046U CN 216652046 U CN216652046 U CN 216652046U CN 202122728356 U CN202122728356 U CN 202122728356U CN 216652046 U CN216652046 U CN 216652046U
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/18—Domestic hot-water supply systems using recuperated or waste heat
Abstract
The utility model discloses a water outlet device with a residual water reflux system, which comprises: a water tank for providing a water source; the cold-heat exchanger is connected with the water tank through a first water pump and used for outputting hot water or warm boiled water; the water inlet end of the heating body is connected with the first outlet of the cold-heat exchanger through a first valve body and is used for heating hot water coming out of the cold-heat exchanger; one end of the hot tank is connected with a first outlet of the cold-heat exchanger through the first valve body and is used for storing water and preserving heat; the water inlet end of the heating body is also connected with the hot tank through a pipeline and used for heating hot water discharged from the hot tank. A pipeline for residual water to flow back is added into the water path, and the residual water is pumped back to the hot tank or the water tank in time through the second water pump, so that bacteria are prevented from breeding, and the energy-saving and healthy water heater is energy-saving and healthy; simultaneously, can provide the drinking water of different temperatures, and simple structure, heating efficiency is high.
Description
Technical Field
The utility model relates to the field of drinking equipment, in particular to a water outlet device with a residual water backflow system, such as a water dispenser, a water purifier, a warm water boiler or a hot beverage machine.
Background
In order to ensure the sanitary safety of drinking water and the health of human body, the water dispenser becomes a necessary household electrical appliance; the water dispenser product on the market at present, the ubiquitous back of using has the problem of residual water in the pipeline, breeds the bacterium easily, is unfavorable for healthy drinking water to cause the pollution to the pipeline, increase use cost. In addition, the existing water dispenser products with boiled water or warm boiled water have low efficiency and can not meet the requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides the water outlet device with the residual water backflow system, the pipeline for residual water backflow is added into the water path, the residual water is pumped back to the hot tank in time through the water pump, the bacteria breeding is avoided, and the energy is saved and the health is realized; meanwhile, the water heater can provide drinking water with different temperatures, particularly warm boiled water, can meet different living demands, and is simple in structure and high in heating efficiency. The method is realized by the following technical scheme:
a water outlet device with a residual water return system, comprising: a water tank for providing a water source; the cold-heat exchanger is connected with the water tank through a first water pump and used for outputting hot water or warm boiled water; one end of the hot tank is connected with a first outlet of the cold-heat exchanger through the first valve body and is used for storing water and preserving heat; the water inlet end of the heating body is connected with the first outlet of the cold-heat exchanger through a first valve body and is used for heating hot water coming out of the cold-heat exchanger; the water inlet end of the heating body is also connected with the hot tank through a pipeline and used for heating hot water discharged from the hot tank; the water outlet is respectively connected with the water outlet end of the heating body and the pipeline at the other end of the hot tank through a second valve body; and a second water pump is connected to the pipeline between the water outlet and the hot tank. This technical scheme has added the pipeline of residual water backward flow in the water route, in time taking back the hot jar with residual water through the water pump, avoids breeding the bacterium, and is energy-conserving healthy.
In a preferred example, a first temperature sensor is arranged between the water outlet and the second valve body, and a second temperature sensor is arranged on a pipeline of the water outlet end of the heating body.
In a preferred embodiment, the heat exchanger further comprises a first inlet, a second inlet and a second outlet, the first inlet is connected to the first water pump for receiving water from the water tank.
In a preferred example, a third valve body is further disposed between the heating body and the second valve body.
In a preferred embodiment, the second inlet is connected with the water outlet end of the heating body and is used for receiving boiled water boiled by the heating body and cooling; the second outlet end is connected with a third valve body. Namely, the first inlet is a normal temperature water inlet, the first outlet is a hot water outlet, the second inlet is a boiled water inlet, and the second outlet is a warm water outlet, so that a heating route and a cooling route are formed, and the requirements of producing hot water and warm boiled water are met.
In a preferred example, the hot tank is connected with the heating body through a pipeline, and the water stored in the hot tank is conveyed to the heating body; and a flowmeter is also arranged between the hot tank and the heating body.
In a preferred example, the second water pump is further connected to a pipeline between the second valve body and the third valve body.
In a preferred example, the water inlet end of the heating body is further provided with a third temperature sensor.
In a preferred example, the water tank takes a water source from a water supply device, and a filter element is arranged between the water tank and the water supply device.
In a preferred example, the first valve body, the second valve body and the third valve body are three-way solenoid valves.
Compared with the prior art, the utility model has the following beneficial effects:
(1) a pipeline for residual water to flow back is added into the water path, and the residual water is pumped back to the hot tank or the water tank in time through the second water pump, so that bacteria are prevented from breeding, and the energy-saving and healthy water heater is energy-saving and healthy;
(2) hot water is stored in the hot tank, and the hot water which enters the hot tank for storage and heat preservation can enter the heating body through the pipeline for rapid heating, so that the time for heating to boiled water is shortened, and the heating efficiency is improved;
(3) the drinking water machine can be used for drinking water with different temperatures, such as boiled water or warm boiled water, can be realized through a set of waterway system, and has simple structure and convenient operation.
Drawings
FIG. 1 is a schematic structural view of a water outlet device with a residual water return system according to the present invention.
Description of reference numerals:
the water heater comprises a water tank 1, a cold-heat exchanger 2, a heating body 3, a hot tank 4, a water outlet 5, a first water pump 6, a second water pump 7, a first valve body 8, a second valve body 9, a third valve body 10, a first temperature sensor 11, a second temperature sensor 12, a third temperature sensor 13, a flow meter 14, a water supply device 15 and a filter element 16.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In a preferred embodiment of the present invention, as shown in fig. 1, a water outlet device with a residual water return system comprises: a water tank 1 for supplying a water source; a cold-heat exchanger 2 connected to the water tank 1 by a first water pump 6 for outputting hot or warm water, specifically, the cold-heat exchanger 2 is directly obtained from the prior art, and functions to heat and cool water, and may be a coil type cold-heat exchanger or a brazing sheet cold-heat exchanger, where the specific structure is not left; a hot tank 4, one end of which is connected with the first outlet of the cold-heat exchanger 2 through the first valve body 8, for storing water and preserving heat; a heating body 3, the water inlet end of which is connected with the first outlet of the cold-heat exchanger 2 through a first valve body 8, for heating the hot water from the cold-heat exchanger 2; the water inlet end of the heating body 3 is also connected with the hot tank 4 through a pipeline and is used for heating hot water from the hot tank 4, so that the water can be quickly boiled; the water outlet 5 is respectively connected with the water outlet end of the heating body 3 and the pipeline at the other end of the hot tank 4 through a second valve body 9; and a second water pump 7 is connected to the pipeline between the water outlet 5 and the hot tank 4, and the second water pump 7 is used for pumping residual water in the pipeline at the water outlet back to the hot tank 4. Alternatively, the residual water can also be pumped back into the water tank 1 by the second water pump 7, i.e. into the water tank 1 or the hot tank 4 by the second water pump 7.
In a preferred example, a first temperature sensor 11 is arranged between the water outlet 5 and the second valve body 9, and a second temperature sensor 12 is arranged on a pipeline of the water outlet end of the heating body 3.
In a preferred embodiment, the heat exchanger 2 further comprises a first inlet, a second inlet and a second outlet, the first inlet is connected to the first water pump 6 for receiving the water from the water tank 1.
In a preferred embodiment, a third valve body 10 is further arranged between the heating body 3 and the second valve body 9.
In a preferred embodiment, the second inlet is connected to the water outlet end of the heating body 3, and is used for receiving boiled water boiled by the heating body 3 and cooling; said second outlet end is connected to a third valve body 10. Namely, the first inlet is a normal temperature water inlet, the first outlet is a hot water outlet, the second inlet is a boiled water inlet, and the second outlet is a warm water outlet, so that a heating route and a cooling route are formed, and the requirements of producing hot water and warm boiled water are met.
In a preferred embodiment, a flow meter 14 is also arranged between the hot tank 4 and the heating body 3.
In a preferred embodiment, the second water pump 7 is also connected to a line between the second valve body 9 and the third valve body 10.
In a preferred embodiment, the water inlet end of the heating body 3 is further provided with a third temperature sensor 13, and the third temperature sensor 13 is used for detecting the temperature of the water inlet end of the heating body 3 or the temperature of the hot water in the hot tank 4, so that the water temperature of the hot tank 4 can be maintained at 60 ℃ in actual use.
In a preferred embodiment, the water tank 1 receives a water source from a water supply 15, and a filter element 16 is disposed between the water tank 1 and the water supply 15. The water supply device 15 herein may refer to a water source device in a home or office, which filters impurities and microorganisms through the filter element 16, or employs the filter element 16 for improving water quality and taste.
In a preferred example, the first valve body 8, the second valve body 9 and the third valve body 10 are three-way solenoid valves, and alternatively, a temperature adjusting valve or a water mixing valve may be used.
Furthermore, the water outlet device of the technical scheme further comprises a control system which is used for collecting data of each sensor and controlling the opening and closing of each valve body.
The working principle of the technical scheme is as follows: normal-temperature water is pumped into a first inlet of the cold-heat exchanger 2 through a first water pump 6, the normal-temperature water is processed into hot water through the cold-heat exchanger 2, the hot water is output from a first outlet, and is distributed to a heating body 3 for heating after passing through a first valve body 8, or enters a hot tank 4 for storage and heat preservation; on one hand, the part entering the heating part of the heating body 3 is heated to a preset temperature, namely, boiled water with the maximum temperature of 100 ℃, and the second temperature sensor 12 is used for detecting the temperature of the output end of the heating body 3 in real time; when the boiled water is needed, the water outlet key is pressed, and the boiled water flows out from the water outlet 5; on the other hand, the hot water stored and insulated in the hot tank 4 can enter the heating body 3 through a pipeline to be rapidly heated so as to reduce the time for heating the water to 100 ℃ and improve the heating efficiency. When a user wants to drink warm boiled water or cool boiled water, the boiled water at the water outlet end of the heating body 3 enters from the second inlet of the cold-heat exchanger 2, is changed into warm boiled water or cool boiled water after being cooled, and flows out from the second outlet to the water outlet 5.
The treatment of the residual water of the technical scheme can be set into the following two forms:
the first method comprises the following steps: after the water discharge is stopped, the residual water in the pipeline is directly pumped back into the hot tank 4 through the second water pump 7;
and the second method comprises the following steps: after the water outlet is stopped, the water outlet key is pressed again immediately, and the system can distinguish through the first temperature sensor 11:
a. when the difference between the residual water in the pipeline and the preset temperature is within 5 ℃, the residual water in the pipeline is directly taken out from the water outlet 5;
b. when the difference between the residual water in the pipeline and the preset temperature is more than 5 ℃, the second water pump 7 is started to pump the residual water back into the hot tank 4.
The above are merely preferred embodiments of the present invention; the scope of the utility model is not limited thereto. Any person skilled in the art should be able to cover the technical scope of the present invention by equivalent or modified solutions and modifications within the technical scope of the present invention.
Claims (10)
1. A water outlet device with a residual water return system is characterized by comprising:
a water tank for providing a water source;
the cold-heat exchanger is connected with the water tank through a first water pump and used for outputting hot water or warm boiled water;
one end of the hot tank is connected with a first outlet of the cold-heat exchanger through a first valve body and is used for storing water and preserving heat;
the water inlet end of the heating body is connected with the first outlet of the cold-heat exchanger through a first valve body and is used for heating hot water coming out of the cold-heat exchanger; the water inlet end of the heating body is also connected with the hot tank through a pipeline and used for heating hot water discharged from the hot tank;
the water outlet is respectively connected with the water outlet end of the heating body and the pipeline at the other end of the hot tank through a second valve body;
and a second water pump is connected on the pipeline between the water outlet and the hot tank.
2. The water outlet device with residual water recirculation system according to claim 1, wherein a first temperature sensor is disposed between the water outlet and the second valve body, and a second temperature sensor is disposed on the pipeline of the water outlet end of the heating body.
3. The water outlet device with a residual water return system according to claim 2, wherein the heat exchanger further comprises a first inlet, a second inlet and a second outlet, the first inlet being connected to a first water pump.
4. The water outlet device with residual water recirculation system according to claim 3, wherein a third valve body is further disposed between said heating body and said second valve body.
5. The water outlet device with the residual water backflow system as claimed in claim 4, wherein the second inlet is connected with the water outlet end of the heating body and used for receiving boiled water boiled by the heating body and cooling; the second outlet end is connected with the third valve body.
6. The water outlet device with residual water returning system according to claim 1, wherein a flow meter is further provided between the hot tank and the heating body.
7. The water outlet device with residual water recirculation system according to claim 1, wherein said second water pump is further connected to a pipeline between the second valve body and the third valve body.
8. The water outlet device with residual water recirculation system according to claim 1, wherein the water inlet end of said heating body is further provided with a third temperature sensor.
9. The water outlet device with residual water recirculation system according to claim 1, wherein said water tank receives water from a water supply device, and a filter element is disposed between said water tank and said water supply device.
10. The water outlet device with a residual water returning system according to any one of claims 1 to 9, wherein the first valve body, the second valve body and the third valve body are three-way solenoid valves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122728356.5U CN216652046U (en) | 2021-11-09 | 2021-11-09 | Water outlet device with residual water backflow system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122728356.5U CN216652046U (en) | 2021-11-09 | 2021-11-09 | Water outlet device with residual water backflow system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216652046U true CN216652046U (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122728356.5U Active CN216652046U (en) | 2021-11-09 | 2021-11-09 | Water outlet device with residual water backflow system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216652046U (en) |
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2021
- 2021-11-09 CN CN202122728356.5U patent/CN216652046U/en active Active
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