CN218951065U - Water purification system and water purifying and drinking machine - Google Patents

Water purification system and water purifying and drinking machine Download PDF

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CN218951065U
CN218951065U CN202223596957.6U CN202223596957U CN218951065U CN 218951065 U CN218951065 U CN 218951065U CN 202223596957 U CN202223596957 U CN 202223596957U CN 218951065 U CN218951065 U CN 218951065U
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water
pure water
pipeline
pure
purification system
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宫英杰
丁永生
吴家豪
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Kohler China Investment Co Ltd
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Kohler China Investment Co Ltd
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Abstract

The utility model discloses a water purifying system and a water purifying and drinking machine, wherein a heater is arranged on a pure water output pipeline, a pure water return pipeline is connected between a second water outlet of a reversing valve and a pure water supply pipeline and/or a pure water output pipeline, when the pipeline needs to be sterilized, the heater is started to heat water in the pipeline to a preset temperature, and the heated water circularly flows among the reversing valve, the pure water return pipeline, the pure water supply pipeline and/or the pure water output pipeline so as to kill bacteria in each pipeline, improve sterilizing performance and facilitate ensuring water safety.

Description

Water purification system and water purifying and drinking machine
Technical Field
The utility model relates to the technical field of water purifying and drinking equipment, in particular to a water purifying system and a water purifying and drinking machine.
Background
The waterway system of the water purifying and drinking equipment generally comprises a raw water tank, a filter, a pure water tank and a water outlet tap.
The raw water tank, the filter, the pure water tank and the water outlet tap are connected through pipelines in sequence. The raw water tank is connected with a tap water channel, tap water is filtered by a filter, pure water obtained after the filtering of the filter is stored in the pure water tank, and a user can take water from a water outlet tap.
The filter filters harmful substances in the water and removes chlorine for inhibiting bacteria growth in tap water, so that pure water filtered by the pure water is easier to grow bacteria, and out-of-water bacterial colony is often out of standard.
To solve this problem, a sterilizing mechanism is generally installed in the pure water tank to sterilize the pure water in the pure water tank. However, the sterilizing mechanism can only kill bacteria in the pure water tank, but cannot kill bacteria in the pipeline between the pure water tank and the water outlet tap, and the sterilizing performance of the sterilizing mechanism is still to be improved.
In view of the above, it is necessary to provide a water purification system and a water purification and drinking machine having excellent sterilization performance.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a water purifying system and a water purifying and drinking machine with good sterilization performance.
The technical scheme of the utility model provides a water purifying system which comprises a raw water supply pipeline, a filter, a pure water tank, a heater, a tap, a first water pump, a second water pump, a reversing valve and a control unit, wherein the water purifying system comprises a water tank, a water inlet pipe, a water outlet pipe, a water inlet pipe, a water outlet;
the first water pump is connected in series on the raw water supply pipeline, the filter is connected with the raw water supply pipeline, and the filter is connected with a waste water discharge pipeline; a pure water supply pipeline is connected between the filter and the pure water tank;
the reversing valve comprises a water inlet, a first water outlet and a second water outlet;
a pure water output pipeline is connected in series between the pure water tank and the water inlet;
the second water pump and the heater are connected in series on the pure water output pipeline;
the water tap is connected with the first water outlet;
a pure water return pipeline is connected between the second water outlet and the pure water supply pipeline and/or the pure water output pipeline;
the heater, the first water pump, the second water pump and the reversing valve are respectively connected with the control unit in a signal mode.
In one optional technical scheme, the pure water return pipeline is connected between the second water outlet and the first water pump.
In one optional technical scheme, the water purifying system comprises a raw water tank, and the raw water supply pipeline is connected with the raw water tank.
In one alternative, the waste water discharge line is connected to the raw water tank.
In one of the alternative solutions, the pure water supply line is connected with the pure water output line through a communicating pipe, and a communicating pipe valve is provided on the communicating pipe and is in signal connection with the control unit.
In one optional technical scheme, a temperature sensor is arranged at the water inlet end and/or the water outlet end of the heater, and the temperature sensor is in signal connection with the control unit.
In one optional technical scheme, a water inlet and a water outlet are connected to the water inlet and the water outlet of the pure water tank;
the water inlet and outlet pipe, the pure water supply pipeline and the pure water output pipeline are connected through a three-way control valve;
the three-way control valve is in signal connection with the control unit.
In one alternative, a sterilizing lamp is installed on the pure water tank.
In one alternative, the sterilization lamp is a UV lamp.
In one alternative, the sterilizing lamp is in signal connection with the control unit.
In one alternative, the heater is a thick film heater, an electrothermal tube heater, a ceramic heater, or a quartz tube heater.
In one optional technical scheme, a high water level sensor and a low water level sensor are installed in the pure water tank, and the high water level sensor and the low water level sensor are respectively connected with the control unit in a signal mode.
The technical scheme of the utility model also provides a water purifying and drinking machine, which comprises the water purifying system according to any one of the technical schemes.
By adopting the technical scheme, the method has the following beneficial effects:
according to the water purifying system and the water purifying and drinking machine, the heater is arranged on the pure water output pipeline, the pure water return pipeline is connected between the second water outlet of the reversing valve and the pure water supply pipeline and/or the pure water output pipeline, when the pipeline needs to be sterilized, the heater is started to heat water in the pipeline to a preset temperature, and the heated water circularly flows among the reversing valve, the pure water return pipeline, the pure water supply pipeline and/or the pure water output pipeline so as to kill bacteria in each pipeline, improve sterilizing performance and facilitate guaranteeing water safety.
Drawings
The present disclosure will become more readily understood with reference to the accompanying drawings. It should be understood that: the drawings are for illustrative purposes only and are not intended to limit the scope of the present utility model. In the figure:
fig. 1 is a schematic diagram of a water purification system according to a first embodiment of the present utility model;
FIG. 2 is a schematic diagram of the water purification system shown in FIG. 1 in a waterway flow when sterilized by a heater;
FIG. 3 is a schematic diagram of a water purification system according to a second embodiment of the present utility model;
FIG. 4 is a schematic diagram of a water purification system according to a third embodiment of the present utility model;
fig. 5 is a schematic diagram of a water purification system according to a fourth embodiment of the present utility model;
FIG. 6 is a schematic view of the water purification system shown in FIG. 5 in a waterway flow when sterilized by a heater;
fig. 7 is a schematic diagram of a water purification system according to a fifth embodiment of the present utility model;
fig. 8 is a schematic diagram of signal connection between the control unit and each electrical component.
Detailed Description
Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings, and the words "inner" and "outer" refer to directions toward or away from, respectively, the geometric center of a particular component.
As shown in fig. 1 to 8, the water purification system provided by the embodiment of the present utility model includes a raw water supply line 100, a filter 2, a pure water tank 3, a heater 4, a tap 5, a first water pump 6, a second water pump 7, a reversing valve 8, and a control unit 9.
The first water pump 6 is connected in series to the raw water supply line 100, the filter 2 is connected to the raw water supply line 100, and the filter 2 is connected to the waste water discharge line 200. A pure water supply line 300 is connected between the filter 2 and the pure water tank 3.
The reversing valve 8 comprises a water inlet 81, a first water outlet 82 and a second water outlet 83.
A pure water output pipeline 400 is connected in series between the pure water tank 3 and the water inlet 81.
The second water pump 7 and the heater 4 are connected in series on the pure water output pipeline 400.
The tap 5 is connected to the first water outlet 82.
A deionized water return line 500 is connected between the second water outlet 83 and the deionized water supply line 300 and/or the deionized water output line 400.
The heater 4, the first water pump 6, the second water pump 7 and the reversing valve 8 are respectively in signal connection with a control unit 9.
The raw water in the utility model refers to tap water, and the pure water refers to pure water obtained by filtering tap water. The valve in the utility model is an electromagnetic valve, and the switch can be automatically controlled by the control mechanism.
The water purifying system provided by the utility model is used in a water purifying and drinking machine and comprises a raw water supply pipeline 100, a filter 2, a pure water tank 3, a heater 4, a faucet 5, a first water pump 6, a second water pump 7, a reversing valve 8 and a control unit 9.
The raw water supply line 100 is connected to a tap water line. The first water pump 6 is connected in series to the raw water supply line 100. The filter 2 is downstream of the first water pump 6, and a raw water inlet supply line 100 of the filter 2 is connected. The raw water supply line 100 is installed with a first control valve and a raw water TDS sensor. The first water pump 6, the first control valve and the raw water TDS sensor are respectively in signal connection with a control unit 9. The control unit 9 is a controller, a processor, or the like. The control unit 9 controls the first water pump 6 and the automatic opening and closing of the first control valve. The raw water TDS sensor monitors TDS of raw water. TDS is an english abbreviation for total amount of dissolved solids (Total dissolved solids), and the higher the TDS value, the more dissolved substances contained in water. The TDS value of pure water generally ranges between 10 and 50.
Raw water is fed into the filter 2 for filtration by the first water pump 6. Purified water and waste water are obtained after filtration.
The waste water recovery pipeline 200 is connected with a water return port of the filter 2, and a second control valve and a waste water TDS sensor are arranged on the waste water recovery pipeline 200. The second control valve and the waste water TDS sensor are respectively in signal connection with the control unit 9. The automatic opening and closing of the second control valve is controlled by the control unit 9.
The wastewater generated in the filter 2 is discharged to a designated location, such as a reservoir, a tank, etc., through the wastewater recovery piping 200. The waste water referred to herein means only water having a slightly higher TDS value (for example, higher than 50), and the waste water may be further used as it is or repeatedly filtered into pure water, and does not represent unusable sewage.
A pure water supply pipe 300 is connected between the water outlet of the filter 2 and the water inlet of the pure water tank 3, and pure water generated in the filter 2 is transferred to the pure water tank 3 for storage.
A pure water output pipeline 400 is connected between the water outlet of the pure water tank 3 and the water inlet 81 of the reversing valve 8, and the water tap 5 is connected with the first water outlet 82 of the reversing valve 8. The second water pump 7 and the heater 4 are sequentially connected to the pure water output pipe 400. A flowmeter may be installed on the pure water output line 400. The second water pump 7 and the heater 4 are respectively in signal connection with a control unit 9. The automatic switching of the second water pump 7 and the heater 4 is controlled by the control unit 9.
The user can take water from the tap 5. When taking water, the second water pump 7 is started, the heater 4 is started or stopped as required to supply hot water or cold water, and pure water flows out of the faucet 5 after passing through the pure water output pipeline 400, the second water pump 7 and the heater 4.
A pure water return line 500 for returning heated pure water to heat each line for sterilization is connected between the second water outlet 83 of the reversing valve 8 and the pure water supply line 300 and/or the pure water output line 400.
As shown in fig. 1-2, a deionized water return line 500 is connected between the second water outlet 83 and the deionized water output line 400. When the pipeline needs to be sterilized, the water tap 5 is closed, the second water pump 7 and the heater 4 are started, and the heater 4 can heat the pure water to above 60 ℃. The hot water circulates in the pure water output line 400 and the pure water return line 500 to sterilize the pipes.
As shown in fig. 3 and 5 to 6, a deionized water return line 500 is connected between the second water outlet 83 and the deionized water supply line 300. When the pipeline needs to be sterilized, the water tap 5 is closed, the second water pump 7 and the heater 4 are started, and the heater 4 can heat the pure water to above 60 ℃. The hot water circulates in the pure water supply line 300, the pure water output line 400, and the pure water return line 500 to sterilize the pipes.
As shown in fig. 4, a deionized water return line 500 is connected between the second water outlet 83 and each of the deionized water supply line 300 and the deionized water output line 400. The pure water return line 500 is provided with a third control valve 501, and the third control valve 501 is connected with the control unit 9 in a signal manner. Controlled by the control unit 9
The third control valves 501 are automatically opened and closed to control the opening and closing of the pure water return lines 500. By controlling the corresponding third control valve 501 by 5, it is possible to realize the heated hot water in the pure water output pipe 400 and the pure water
The circulation of the heated hot water in the pure water supply line 300, the pure water output line 400 and the pure water return line 500 is achieved.
In summary, in the water purification system provided by the present utility model, the heater 4 is installed on the pure water output pipeline 400, the pure water return pipeline 500 is connected between the second water outlet 83 of the reversing valve 8 and the pure water supply pipeline 300 and/or the pure water output pipeline 400, when the pipeline needs to be sterilized, the heater 4 is turned on to heat the water in the pipeline to the preset temperature, and the heated water circularly flows through the reversing valve 8, the pure water return pipeline 500, the pure water supply pipeline 300 and/or the pure water output pipeline 400, so that bacteria in each pipeline are eliminated, the sterilization performance is improved, and the safety of the water is guaranteed.
In one embodiment, as shown in fig. 7, a pure water return line 500 is connected between the second water outlet 83 and 5 of the first water pump 6.
In this embodiment, a pure water return line 500 is also connected between the water inlet of the first water pump 6 and the second water outlet 83 of the reversing valve 8 to sterilize the filter 2.
The pure water return line 500 is provided with a third control valve 501, and the third control valve 501 is connected to the control unit 9 in a signal manner.
Specifically, the pure water return line 500 may be connected to the raw water supply line 100 at a point of connection
Upstream of the first water pump 6.
When the filter 2 needs to be sterilized, the heater 4 is started to heat the water in the pipeline to a preset temperature, the heated water enters the filter 2 after passing through the reversing valve 8, the pure water return pipeline 500 and the first water pump 6, and then flows circularly to the heater 4 through the pure water supply pipeline 300 and the pure water output pipeline 400.
In one embodiment, as shown in fig. 1 to 7, the water purification system includes a raw water tank 1, and a raw water supply line 100 is connected to the raw water tank 1.
In the present embodiment, a raw water tank 1 is disposed upstream of the raw water supply line 100, the raw water tank 1 is connected to a tap water line, and the raw water tank 1 plays roles of water storage, buffering, and sedimentation.
In one embodiment, as shown in fig. 1-7, a waste water discharge line 200 is connected to the raw water tank 1.
In this embodiment, the wastewater discharged from the wastewater discharge line 200 flows back to the raw water tank 1, is mixed with raw water/tap water, and is filtered by the filter 2, thereby saving water.
In one embodiment, as shown in fig. 3 to 4, the pure water supply line 300 and the pure water output line 400 are connected by a communication pipe 600, and a communication pipe valve 601 is provided on the communication pipe 600, and the communication pipe valve 601 is in signal connection with the control unit 9.
In this embodiment, when heating by the heater 4, the communicating pipe valve 601 is opened to communicate the pure water supply pipe 300 with the pure water output pipe 400, so that the heated hot water can be circulated in the pure water supply pipe 300, the pure water output pipe 400 and the pure water return pipe 500.
In one embodiment, as shown in fig. 1-6, the water inlet and/or outlet of the heater 4 is provided with a temperature sensor 41, the temperature sensor 41 being in signal connection with the control unit 9.
The temperature sensor 41 is used to monitor the water temperature to determine whether the sterilization requirements are met.
After the user selects the line sterilization mode, the heater 4 is turned on. When the temperature sensor 41 at the water inlet end of the heater 4 detects that the water temperature entering the heater is below 60 ℃, the heater 4 is kept on. When the temperature sensor 41 at the water outlet end of the heater 4 detects that the water temperature flowing out of the heater is higher than a preset temperature (for example, 80 ℃), the heater 4 is turned off.
In one embodiment, as shown in fig. 5 to 6, a water inlet and outlet pipe 31 is connected to the water inlet and outlet 30 of the pure water tank 3.
The water inlet/outlet pipe 31, the deionized water supply pipe 300 and the deionized water output pipe 400 are connected by a three-way control valve 32.
The three-way control valve 32 is in signal connection with the control unit 9.
In this embodiment, the deionized water tank 3 is connected to the deionized water supply line 300 and the deionized water output line 400 by an inlet and an outlet. Specifically, the water inlet and outlet pipe 31 is connected to the water inlet and outlet port 30, the water inlet and outlet pipe 31, the pure water supply pipe 300 and the pure water output pipe 400 are switched by the connection of the three-way control valve 32, the three-way control valve 32 is connected with the control unit 9 in a signal manner, and the control unit 9 controls the opening and closing of three valve ports of the three-way control valve 32.
When pure water is supplied from the pure water supply line 300 to the pure water tank 3, the valve port of the three-way control valve 32 connected to the pure water output line 400 is closed.
When pure water is output from the pure water tank 3 to the pure water output pipe 400, the valve port of the three-way control valve 32 connected to the pure water supply pipe 300 is closed.
When the heating sterilization is performed on the pipe, the valve port of the three-way control valve 32 connected to the water inlet/outlet pipe 31 is closed, and the hot water circulates among the pure water return pipe 500, the pure water supply pipe 300, and the pure water output pipe 400.
In one of the embodiments, as shown in fig. 1 to 6, a sterilizing lamp 33 is installed on the pure water tank 3 for sterilizing the pure water in the pure water tank 3.
In one embodiment, the sterilizing lamp 33 is a UV lamp, which is well-known in the art and has a good sterilizing effect.
In one embodiment, as shown in fig. 7, the sterilizing lamp 33 is in signal connection with the control unit 9, and the automatic switching of the sterilizing lamp 33 is controlled by the control unit 9. The sterilization may be timed, for example, once every 4-5 hours, as desired.
In one embodiment, the heater 4 is a thick film heater, an electrothermal tube heater, a ceramic heater or a quartz tube heater, and has a plurality of choices and a wide application range. In one of the embodiments, as shown in fig. 1 to 7, a high water level sensor 34 and a low water level sensor 35 are installed in the pure water tank 3, and the high water level sensor 34 and the low water level sensor 35 are respectively signal-connected to the control unit 9.
When the low water level sensor 35 detects that the water level is lower than the preset low water level, a signal is sent to the control unit 9, the first water pump 6 is automatically started, and pure water is replenished into the pure water tank 3. When the high water level sensor 34 detects that the water level is higher than the preset high water level, a signal is sent to the control unit 9, and the first water pump 6 is automatically turned off.
An embodiment of the present utility model provides a water purifying dispenser, including the water purifying system according to any of the preceding embodiments, wherein all or part of the water purifying system is installed in a body of the water purifying dispenser.
The above technical schemes can be combined according to the need to achieve the best technical effect.
The foregoing is only illustrative of the principles and preferred embodiments of the present utility model. It should be noted that several other variants are possible to those skilled in the art on the basis of the principle of the utility model and should also be considered as the scope of protection of the present utility model.

Claims (13)

1. The water purification system is characterized by comprising a raw water supply pipeline (100), a filter (2), a pure water tank (3), a heater (4), a faucet (5), a first water pump (6), a second water pump (7), a reversing valve (8) and a control unit (9);
the first water pump (6) is connected in series with the raw water supply pipeline (100), the filter (2) is connected with the raw water supply pipeline (100), and the filter (2) is connected with a waste water discharge pipeline (200); a pure water supply pipeline (300) is connected between the filter (2) and the pure water tank (3);
the reversing valve (8) comprises a water inlet (81), a first water outlet (82) and a second water outlet (83);
a pure water output pipeline (400) is connected in series between the pure water tank (3) and the water inlet (81);
the second water pump (7) and the heater (4) are connected in series on the pure water output pipeline (400);
the water tap (5) is connected with the first water outlet (82);
a pure water return pipeline (500) is connected between the second water outlet (83) and the pure water supply pipeline (300) and/or the pure water output pipeline (400);
the heater (4), the first water pump (6), the second water pump (7) and the reversing valve (8) are respectively connected with the control unit (9) in a signal mode.
2. The water purification system according to claim 1, wherein one of the pure water return lines (500) is connected between the second water outlet (83) and the first water pump (6).
3. The water purification system according to claim 1, characterized in that the water purification system comprises a raw water tank (1), and the raw water supply line (100) is connected to the raw water tank (1).
4. A water purification system according to claim 3, characterized in that the waste water discharge line (200) is connected to the raw water tank (1).
5. The water purification system according to any one of claims 1 to 4, wherein the pure water supply line (300) and the pure water output line (400) are connected by a communication pipe (600), a communication pipe valve (601) is provided on the communication pipe (600), and the communication pipe valve (601) is in signal connection with the control unit (9).
6. Water purification system according to any one of claims 1-4, characterized in that the water inlet and/or outlet end of the heater (4) is/are equipped with a temperature sensor (41), which temperature sensor (41) is in signal connection with the control unit (9).
7. The water purification system according to any one of claims 1-4, wherein a water inlet and outlet pipe (31) is connected to a water inlet and outlet (30) of the water tank (3);
the water inlet and outlet pipe (31), the pure water supply pipeline (300) and the pure water output pipeline (400) are connected through a three-way control valve (32);
the three-way control valve (32) is in signal connection with the control unit (9).
8. The water purification system according to any one of claims 1-4, wherein a sterilizing lamp (33) is mounted on the pure water tank (3).
9. The water purification system of claim 8, wherein the sterilization lamp (33) is a UV lamp.
10. The water purification system according to claim 8, characterized in that the sterilizing lamp (33) is in signal connection with the control unit (9).
11. The water purification system according to any one of claims 1-4, wherein the heater (4) is a thick film heater, an electrothermal tube heater, a ceramic heater or a quartz tube heater.
12. The water purification system according to any one of claims 1-4, wherein a high water level sensor (34) and a low water level sensor (35) are installed in the pure water tank (3), and the high water level sensor (34) and the low water level sensor (35) are respectively in signal connection with the control unit (9).
13. A water purification machine comprising a water purification system as claimed in any one of claims 1 to 12.
CN202223596957.6U 2022-12-30 2022-12-30 Water purification system and water purifying and drinking machine Active CN218951065U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202223596957.6U CN218951065U (en) 2022-12-30 2022-12-30 Water purification system and water purifying and drinking machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202223596957.6U CN218951065U (en) 2022-12-30 2022-12-30 Water purification system and water purifying and drinking machine

Publications (1)

Publication Number Publication Date
CN218951065U true CN218951065U (en) 2023-05-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202223596957.6U Active CN218951065U (en) 2022-12-30 2022-12-30 Water purification system and water purifying and drinking machine

Country Status (1)

Country Link
CN (1) CN218951065U (en)

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