CN209436963U - Sterile water outlet drinking fountain stand - Google Patents
Sterile water outlet drinking fountain stand Download PDFInfo
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- CN209436963U CN209436963U CN201821304358.3U CN201821304358U CN209436963U CN 209436963 U CN209436963 U CN 209436963U CN 201821304358 U CN201821304358 U CN 201821304358U CN 209436963 U CN209436963 U CN 209436963U
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Abstract
The utility model belongs to drinking fountain stand technical field, is related to sterile water outlet drinking fountain stand.Inlet valve is opened, disinfection switch valve is closed, so that normal-temperature water is entered heat exchanger cooling water pipeline, enter back into hot tank and heat water.Hot water and warm water can be discharged in the water outlet drinking fountain stand simultaneously, meet and use drinking-water demand.Inlet valve is closed, disinfection switch valve is opened, normal-temperature water flows into hot tank by disinfection switch valve, hot tank heats water to hot water, hot water is divided into two-way discharge from hot tank delivery outlet, wherein hot water is directly connected with hot water effluent's valve all the way, hot water effluent's valve connects hot water effluent's mouth；In addition hot water enters heat exchanger all the way, carries out disinfection to heat exchanger hot water line, cooling water pipeline and warm water faucet, flows out through warm water outlet valve from warm water faucet；It is high-temperature-hot-water that water in cooling water pipeline heats up after continuous heat exchange, until it is identical as hot water temperature in hot water line, it is carried out disinfection using hot water to cooling water pipeline.
Description
Technical field
The utility model belongs to drinking fountain stand technical field, is to be related to sterile water outlet drinking fountain stand more specifically.
Background technique
Currently, drinking fountain stand in the market does not have pipeline sterilizing function mostly, the microorganism in air is entered by faucet
Drinking fountain stand internal duct forms cross contamination.Especially under the use environment of warm water (being most suitable for microbial reproduction temperature) more
Bacterium easy to breed.The exceeded water such as long-term drinking microorganism, it is likely that by microorganism infection, cause intestines problem, speak sarcastically
Body health.
CN206576756U discloses a kind of ultraviolet sterilization high temperature conduit disinfection temp.-regulating type water dispenser, first with ultraviolet
Line sterilizing unit sterilizes purification normal-temperature water, then by electric heater unit (band temperature-control circuit) directly by normal-temperature water
It is heated to be 35-60 DEG C of warm water or 90 DEG C or more of hot water, then warm water or hot water are discharged through water outlet, utilize high-temperature-hot-water pair
Pipeline carries out disinfection.The method carries out sterilization to normal-temperature water using ultraviolet light and reheats into warm water, and equipment cost is higher；In addition,
It is carried out disinfection using high-temperature-hot-water to pipeline, but its defect is that hot water and warm water share same pipeline, and hot water can not be discharged simultaneously
And warm water, it may not be possible to meet drinking-water demand.
CN204445403U discloses a kind of commercial water dispenser with disinfection system, by the way that heat exchanger is arranged, will boil
Water and normal-temperature water carry out heat exchange, and boiling water obtains warm water through heat exchange and is discharged by faucet, and normal-temperature water is preheated through heat exchange
Water enters heating liner；In addition, being not passed through heat exchanger by control normal-temperature water but being directly entered heating liner and obtain boiling water, utilize
Boiling water carries out disinfection to pipeline, but this utility model has problem same as described above: hot water and warm water share same pipeline, nothing
Hot water and warm water is discharged simultaneously in method.When carrying out high-temperature sterilization sterilization by the method for this application, due to closing all outlet valves, boiling
Water will lead to accumulation of heat in pipeline, build the pressure, and may cause the consequences such as pipe breakage.In addition, the high-temperature-hot-water sterilization method is not
It carries out disinfection to the cooling water water outlet pipeline of heat exchanger, effect is limited.
Utility model content
The purpose of this utility model is to provide a kind of sterile water outlet drinking fountain stands, super to solve existing water fountain effluent bacterium
Target technical problem.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of sterile water outlet drinking fountain stand, packet
It includes:
Heat exchanger comprising cooling water pipeline and the hot water line with the cooling water pipeline heat exchange, the cooling
The normal-temperature water outlet that water lines have room temperature water inlet and are connected to the room temperature water inlet, the hot water line have water inlet
And the discharge outlet being connected to the water inlet；
Hot tank for heating water, the hot tank have input port and delivery outlet；
Both ends are respectively communicated in the inlet valve of the normal-temperature water outlet and the input port；
It is connected to the first hot water pipeline of the delivery outlet；
It is connected to the hot water effluent's valve and hot water effluent's mouth of first hot water pipeline；
For being connected to the second hot water pipeline of the delivery outlet Yu the water inlet；
Both ends are respectively communicated in the disinfection switch valve of the input port and the room temperature water inlet；
It is connected to the warm water pipe of the normal-temperature water outlet；And
It is connected to the warm water outlet valve and warm water faucet of the warm water pipe.
Further, the hot water line and the cooling water pipeline are extended along same folding line.
Further, the folding line is U-shaped.
Further, the discharge outlet is arranged close to the room temperature water inlet, and the water inlet is close to the room temperature
Water out setting.
It further, further include the heat control valve with first input end, the second input terminal and output end, first input
End is connected to the discharge outlet；It further include the third hot water pipeline for being connected to the delivery outlet Yu second input terminal.
Further, the warm water pipe includes main pipeline and is connected to the several of wherein one end of the main pipeline and is in charge of
Road, the other end of the main pipeline are connected to the output end, and each subtube is respectively connected with the warm water outlet valve
With the warm water faucet.
Further, hot water effluent's mouth is equipped with air barrier valve, and the warm water faucet is equipped with air barrier
Valve.
Further, hot water effluent's mouth is arranged downward with the warm water faucet.
Further, further include and the water purifier of room temperature water inlet connection and the pressure being connect with the water purifier
Bucket.
It further, further include sewage pipe, the water purifier has sewage draining exit, and the sewage draining exit is connected to the blowdown
Pipe；The hot tank has exhaust outlet, and the exhaust ports are equipped with safety valve, and the safety valve is connected to the sewage pipe.
The utility model having the technical effect that when drinking hot water and warm water compared with the existing technology opens inlet valve, closes
Disinfection switch valve is closed, so that normal-temperature water or tap water is entered cooling water pipeline by the room temperature water inlet of heat exchanger and is gone out again by normal-temperature water
Mouth discharge, then hot tank is entered by input port and heats water to high-temperature-hot-water, hot water is discharged by delivery outlet.Hot water enters first all the way
Hot water pipeline opens hot water effluent's valve, hot water is allowed to be discharged by hot water effluent's mouth；In addition hot water passes through the second hot water pipeline all the way,
Enter the hot water line of heat exchanger by water inlet, the hot water of hot water line after the room temperature hydrothermal exchange with cooling water pipeline at
For warm water, warm water pipe is entered by the warm water that discharge outlet is discharged, warm water outlet valve is opened, warm water is allowed to be discharged by warm water faucet.
Hot water and warm water can be discharged in the water outlet drinking fountain stand simultaneously, meet and use drinking-water demand.
When drinking hot water and high-temperature sterilization, inlet valve is closed, opens disinfection switch valve, normal-temperature water or tap water pass through disinfection
Switch valve flows into hot tank, and hot tank heats water to high-temperature-hot-water, and hot water is divided into two-way discharge from hot tank delivery outlet, wherein hot all the way
Water is directly connected with hot water effluent's valve, and hot water effluent's valve connects hot water effluent's mouth；In addition hot water enters heat exchanger all the way, to heat
Exchanger hot water line, cooling water pipeline and warm water faucet carry out disinfection, and flow out through warm water outlet valve from warm water faucet；This
Outside, since inlet valve is arranged in heat exchanger downstream, normal-temperature water is introduced into heat exchanger cooling water pipeline, to the cold of heat exchanger
But water lines are full of flowing is stopped after water, and it is high-temperature-hot-water that the water in cooling water pipeline heats up after continuous heat exchange, directly
It is extremely identical as hot water temperature in hot water line, it is carried out disinfection using hot water to heat exchanger cooling water pipeline.The sterile water outlet drink
Water platform is by simply control inlet valve and sterilizes the opening and closing of switch valve, realizes high-temperature-hot-water to from heat exchanger room temperature
The full pipeline of water inlet to end warm water faucet carries out disinfection.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of water outlet drinking fountain stand provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram for the water outlet drinking fountain stand that another embodiment of the utility model provides.
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with
Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein
It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that it can be directly another when element is referred to as " being fixed on " or " being set to " another element
On one element or indirectly on another element.When an element is known as " being connected to " another element, it can
To be directly to another element or be indirectly connected on another element.
It is to be appreciated that term " length ", " width ", "upper", "lower", "front", "rear", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "top", "bottom", "inner", "outside" is that orientation based on the figure or position are closed
System, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning are necessary
It with specific orientation, is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention,
More than, unless otherwise specifically defined.
Referring to Fig. 1, being first illustrated to sterile water outlet drinking fountain stand provided by the utility model.Sterile water outlet drinking fountain stand packet
Include heat exchanger 10, hot tank 20, inlet valve 30, the first hot water pipeline 41, hot water effluent's valve 42, the 43, second heat of hot water effluent's mouth
Waterpipe 44, disinfection switch valve 90, warm water pipe 51, warm water outlet valve 52 and warm water faucet 53.Heat exchanger 10 includes cold
But water lines 11 and the hot water line 12 with 11 heat exchange of cooling water pipeline, cooling water pipeline 11 have room temperature water inlet 111 and
The normal-temperature water outlet 112 being connected to room temperature water inlet 111, hot water line 12 have water inlet 121 and are connected to water inlet 121
Discharge outlet 122；For hot tank 20 for heating water, hot tank 20 has input port 21 and delivery outlet 22；30 both ends of inlet valve connect respectively
Pass through normal-temperature water outlet 112 and input port 21；First hot water pipeline 41 is connected to delivery outlet 22；Hot water effluent's valve 42 goes out with hot water
Water nozzle 43 is connected to the first hot water pipeline 41；Second hot water pipeline 44 is for being connected to delivery outlet 22 and water inlet 121；Disinfection switch
90 both ends of valve are respectively communicated in input port 21 and room temperature water inlet 111；Warm water pipe 51 is connected to normal-temperature water outlet 112；Warm water
Outlet valve 52 and warm water faucet 53 are connected to warm water pipe 51.
When drinking hot water and warm water, inlet valve 30 is opened, disinfection switch valve 90 is closed, makes normal-temperature water or tap water by heat
The room temperature water inlet 111 of exchanger 10 is discharged by normal-temperature water outlet 112 again into cooling water pipeline 11, then is entered by input port 21
Hot tank 20 heats water to high-temperature-hot-water, and hot water is discharged by delivery outlet 22.Hot water enters the first hot water pipeline 41 all the way, opens heat
Water outlet valve 42 allows hot water to be discharged by hot water effluent's mouth 43；In addition hot water passes through the second hot water pipeline 44 all the way, by water inlet
121 enter the hot water line 12 of heat exchanger 10, and the hot water of hot water line 12 is in the room temperature hydrothermal exchange with cooling water pipeline 11
Become warm water afterwards, warm water pipe 51 is entered by the warm water that discharge outlet 122 is discharged, warm water outlet valve 52 is opened, allows warm water by warm water
Faucet 53 is discharged.Hot water and warm water can be discharged in the water outlet drinking fountain stand simultaneously, meet and use drinking-water demand.
When drinking hot water and high-temperature sterilization, inlet valve 30 is closed, opens disinfection switch valve 90, normal-temperature water or tap water pass through
Disinfection switch valve 90 flows into hot tank 20, and hot tank 20 heats water to high-temperature-hot-water, and hot water divides from hot 20 delivery outlet 22 of tank for two-way
Discharge, wherein hot water is directly connected with hot water effluent's valve 42 all the way, hot water effluent's valve 42 connects hot water effluent's mouth 43；In addition all the way
Hot water enters heat exchanger 10, carries out disinfection to 10 hot water line 12 of heat exchanger, cooling water pipeline 11 and warm water faucet 53,
It is flowed out through warm water outlet valve 52 from warm water faucet 53；Further, since inlet valve 30 is arranged in 10 downstream of heat exchanger, normal-temperature water
It is introduced into 10 cooling water pipeline 11 of heat exchanger, stops flowing after the cooling water pipeline 11 of heat exchanger 10 is full of water, it is cooling
It is high-temperature-hot-water that water in water lines 11 heats up after continuous heat exchange, until with hot water temperature's phase in hot water line 12
Together, it is carried out disinfection using hot water to 10 cooling water pipeline 11 of heat exchanger.The sterile water outlet drinking fountain stand by simply control into
The opening and closing of water valve 30 and disinfection switch valve 90 realize high-temperature-hot-water to from 10 room temperature water inlet 111 of heat exchanger to end
The full pipeline of end warm water faucet 53 carries out disinfection.
Hot water effluent's valve 42 is installed on the first hot water pipeline 41, and hot water effluent's mouth 43 is installed on the first hot water pipeline 41
End, opens hot water effluent's valve 42, and water can be flowed out from hot water effluent's mouth 43.Warm water outlet valve 52 is installed on warm water pipe 51,
Warm water faucet 53 is installed on the end of warm water pipe 51, opens warm water outlet valve 52, and water can be flowed out from warm water faucet 53.
Further, a kind of specific embodiment as sterile water outlet drinking fountain stand provided by the utility model, hot-water line
Road 12 is set to the inside of cooling water pipeline 11.The structure be easy assembly, convenient for hot water line 12 hot water with cooling water pipeline
After 11 room temperature hydrothermal exchange, the water temperature in hot water line 12 is reduced.Hot water line 12 is with cooling water pipeline 11 along same curved
Broken line is extended.This is compact-sized, is easily worked molding.Specifically, folding line is U-shaped, this is compact-sized, is easy to add
Work.
Further, a kind of specific embodiment as sterile water outlet drinking fountain stand provided by the utility model, discharge outlet
122 are arranged close to room temperature water inlet 111, and water inlet 121 is arranged close to normal-temperature water outlet 112.The structure is convenient for hot-water line
The arrangement in road, warm water pipe 51, hot tank 20, and convenient for the hot water of hot water line 12 in the room temperature hydro-thermal with cooling water pipeline 11
After exchange, the water temperature in hot water line 12 is reduced.
Further, referring to Fig. 2, as the sterile a kind of specific embodiment party for being discharged drinking fountain stand provided by the utility model
Formula, further includes the heat control valve 80 with first input end 81, the second input terminal 82 and output end 83, and first input end 81 is connected to
Discharge outlet 122；It further include the third hot water pipeline 45 for being connected to delivery outlet 22 and the second input terminal 82.By hot 20 delivery outlet of tank
22 discharge hot water.Hot water passes through the second hot water pipeline 44 all the way, and the hot water line 12 of heat exchanger 10 is entered by water inlet 121,
The hot water of hot water line 12 becomes warm water, the temperature being discharged by discharge outlet 122 after the room temperature hydrothermal exchange with cooling water pipeline 11
Water enters the first input end 81 of heat control valve 80；In addition hot water passes through third hot water pipeline 45 all the way, into the of heat control valve 80
Two input terminals 82.The water of first input end 81 and the second input terminal 82 is mixed by heat control valve 80, heat control valve 80 is adjustable
Into the flow of 82 hot water of the second input terminal, to control the leaving water temperature of warm water, temperature is entered by the warm water that output end 83 exports
Waterpipe 51 opens warm water outlet valve 52, warm water is allowed to be discharged by warm water faucet 53.The water outlet drinking fountain stand can provide a variety of water temperatures
Selection meets and uses drinking-water demand.Heat control valve 80 adjusts the hot water for entering the second input terminal 82 and enters first input end 81
The ratio of warm water can control the leaving water temperature of final warm water, realize various temperature selection.
Further, a kind of specific embodiment as water outlet drinking fountain stand provided by the utility model, heat control valve 80 have
There is the regulation handle 84 for adjusting the water flow for entering the second input terminal 82.The structure is easy assembly, passes through regulation handle 84
It is adjustable by the water flow of the second input terminal 82 to output end 83, and then adjusts output water temperature.
Further, a kind of specific embodiment as sterile water outlet drinking fountain stand provided by the utility model, warm water tube
Several subtubes 512 of the road 51 including main pipeline 511 and the wherein one end for being connected to main pipeline 511, other the one of main pipeline 511
End is connected to output end 83, and each subtube 512 is respectively connected with warm water outlet valve 52 and warm water faucet 53.The structure is easy into
Type can provide warm water in multiple positions, while meet peak drinking-water demand.
Further, a kind of specific embodiment as sterile water outlet drinking fountain stand provided by the utility model, hot water go out
Water nozzle 43 is equipped with air barrier valve, and warm water faucet 53 is equipped with air barrier valve.The air barrier valve is controlled by pressure,
The air barrier valve automatically opens when outlet valve opens water outlet, the air barrier valve automatic sealing package when outlet valve shuts down water
It closes, enters pipeline to obstruct air by faucet, achieve the purpose that microbial barrier cross contamination.
Further, a kind of specific embodiment as sterile water outlet drinking fountain stand provided by the utility model, hot water go out
Water nozzle 43 is arranged downward with warm water faucet 53.The structure is easy assembly, convenient for water intaking.
Further, as the sterile a kind of specific embodiment for being discharged drinking fountain stand provided by the utility model, further include
The water purifier 61 being connected to room temperature water inlet 111 and the pressure pot 62 being connect with water purifier 61.Water purifier 61 cooperates pressure pot
62, depth-type filtration, purified treatment are carried out to water quality by the requirement to water, belong to the prior art.
Further, as the sterile a kind of specific embodiment for being discharged drinking fountain stand provided by the utility model, further include
Sewage pipe 70, water purifier 61 have sewage draining exit 611, and sewage draining exit 611 is connected to sewage pipe 70；Hot tank 20 has exhaust outlet, exhaust
Safety valve 23 is equipped at mouthful, safety valve 23 is connected to sewage pipe 70.The structure is convenient for the blowdown of water purifier 61, the row of hot tank 20
Gas.The exhaust outlet of hot tank 20 is connected to sewage pipe 70 by exhaust pipe 71.Sewage pipe 70 also has the interface 72 of connection water receiver.
At different conditions, the experiment of test warm water total plate count, test result is as follows table are carried out.In no disinfection with hot water journey
Sequence, without air barrier valve under conditions of, there are bacteriums for faucet；After using disinfection with hot water, water outlet is sterile immediately.It can
See, can effectively be sterilized using disinfection with hot water.Water outlet after no air barrier valve 3 days has bacterium；In disinfection with hot water 15
After it, under conditions of band air barrier valve, water outlet is sterile.As it can be seen that can effectively obstruct external bacterium using air barrier valve
Into faucet.
* GB5749-2006 provides that the total plate count limit value in drinking water is 100CFU/mL.
The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all practical at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the utility model within novel spirit and principle
Within the scope of shield.
Claims (10)
1. sterile water outlet drinking fountain stand characterized by comprising
Heat exchanger comprising cooling water pipeline and the hot water line with the cooling water pipeline heat exchange, the cooling water pipe
Road has room temperature water inlet and the normal-temperature water outlet that be connected to the room temperature water inlet, the hot water line with water inlet and with
The discharge outlet of the water inlet connection；
Hot tank for heating water, the hot tank have input port and delivery outlet；
Both ends are respectively communicated in the inlet valve of the normal-temperature water outlet and the input port；
It is connected to the first hot water pipeline of the delivery outlet；
It is connected to the hot water effluent's valve and hot water effluent's mouth of first hot water pipeline；
For being connected to the second hot water pipeline of the delivery outlet Yu the water inlet；
Both ends are respectively communicated in the disinfection switch valve of the input port and the room temperature water inlet；
It is connected to the warm water pipe of the normal-temperature water outlet；And
It is connected to the warm water outlet valve and warm water faucet of the warm water pipe.
2. sterile water outlet drinking fountain stand as described in claim 1, which is characterized in that the hot water line and the cooling water pipeline
It is extended along same folding line.
3. sterile water outlet drinking fountain stand as claimed in claim 2, which is characterized in that the folding line is U-shaped.
4. sterile water outlet drinking fountain stand as described in claim 1, which is characterized in that the discharge outlet enters close to the normal-temperature water
Mouth setting, the water inlet are arranged close to the normal-temperature water outlet.
5. sterile water outlet drinking fountain stand as described in claim 1, which is characterized in that further include with first input end, second defeated
Enter the heat control valve of end and output end, the first input end is connected to the discharge outlet；It further include for being connected to the delivery outlet
With the third hot water pipeline of second input terminal.
6. sterile water outlet drinking fountain stand as claimed in claim 5, which is characterized in that the warm water pipe includes main pipeline and connection
Several subtubes in wherein one end of the main pipeline, the other end of the main pipeline is connected to the output end, each
The subtube is respectively connected with the warm water outlet valve and the warm water faucet.
7. such as sterile water outlet drinking fountain stand as claimed in any one of claims 1 to 6, which is characterized in that hot water effluent's mouth installation
There is air barrier valve, the warm water faucet is equipped with air barrier valve.
8. such as sterile water outlet drinking fountain stand as claimed in any one of claims 1 to 6, which is characterized in that hot water effluent's mouth and institute
Warm water faucet is stated to be arranged downward.
9. such as sterile water outlet drinking fountain stand as claimed in any one of claims 1 to 6, which is characterized in that further include and the normal-temperature water
The water purifier of entrance connection and the pressure pot being connect with the water purifier.
10. sterile water outlet drinking fountain stand as claimed in claim 9, which is characterized in that further include sewage pipe, the water purifier has
Sewage draining exit, the sewage draining exit are connected to the sewage pipe；The hot tank has exhaust outlet, and the exhaust ports are equipped with safety valve,
The safety valve is connected to the sewage pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821304358.3U CN209436963U (en) | 2018-08-13 | 2018-08-13 | Sterile water outlet drinking fountain stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821304358.3U CN209436963U (en) | 2018-08-13 | 2018-08-13 | Sterile water outlet drinking fountain stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209436963U true CN209436963U (en) | 2019-09-27 |
Family
ID=68008381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821304358.3U Active CN209436963U (en) | 2018-08-13 | 2018-08-13 | Sterile water outlet drinking fountain stand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209436963U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115477350A (en) * | 2022-04-29 | 2022-12-16 | 青岛海尔施特劳斯水设备有限公司 | Control method for water purifier and water purifier |
-
2018
- 2018-08-13 CN CN201821304358.3U patent/CN209436963U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115477350A (en) * | 2022-04-29 | 2022-12-16 | 青岛海尔施特劳斯水设备有限公司 | Control method for water purifier and water purifier |
| CN115477350B (en) * | 2022-04-29 | 2023-09-12 | 青岛海尔施特劳斯水设备有限公司 | Control method for water purifier and water purifier |
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