CN111820748B - Water path control system of drinking water supply device and control method thereof - Google Patents
Water path control system of drinking water supply device and control method thereof Download PDFInfo
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- CN111820748B CN111820748B CN201910318418.XA CN201910318418A CN111820748B CN 111820748 B CN111820748 B CN 111820748B CN 201910318418 A CN201910318418 A CN 201910318418A CN 111820748 B CN111820748 B CN 111820748B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
- A47J31/461—Valves, e.g. drain valves
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J31/00—Apparatus for making beverages
- A47J31/44—Parts or details or accessories of beverage-making apparatus
- A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
- A47J31/468—Pumping means
Abstract
The invention provides a waterway control system of a drinking water supply device and a control method thereof, wherein the system comprises: a water outlet, a change-over valve and a water tank; the water outlet pipeline is arranged between the water outlet and the first end of the change-over valve; the return pipeline is arranged between the water tank and the second end of the conversion valve, and the return pipeline is arranged below the water outlet; the waterway module is connected with the third end of the conversion valve; the control unit, the control unit links to each other with change-over valve, and the control unit is used for after the water route module stops supplying water, the first end and the second end intercommunication of control change-over valve to make the surplus water in the outlet pipe way pass through return line and flow back water tank, thereby can avoid remaining surplus water, guarantee that play water obtains the intensive heating, can also avoid breeding the bacterium.
Description
Technical Field
The invention relates to the technical field of domestic electric appliances, in particular to a water path control system of a drinking water supply device and a control method thereof.
Background
In the related technology, a certain distance is reserved between a water outlet waterway of the water dispenser and a water tank, and the diaphragm pump has the function of semi-sealing water. However, the related art has a problem in that residual water remains between the water outlet and the instantaneous heating pipe during a period of time when water intake is stopped, thereby causing risks of insufficient heating, bacterial growth, and the like in the next water intake.
Disclosure of Invention
The present invention is directed to solving, at least in part, one of the technical problems in the related art.
Therefore, the first objective of the present invention is to provide a water path control system of a drinking water supply device, so as to avoid residual water and ensure that the outlet water is sufficiently heated.
The second purpose of the invention is to provide a drinking water supply device.
The third objective of the present invention is to provide a control method of the waterway control system of the drinking water supply device.
A fourth object of the invention is to propose a computer-readable storage medium.
In order to achieve the above object, a first aspect of the present invention provides a waterway control system for a drinking water supply device, including: a water outlet, a change-over valve and a water tank; a water outlet line disposed between the water outlet and the first end of the switching valve; a return line disposed between the water tank and the second end of the switching valve; the waterway module is connected with the third end of the switching valve; and the control unit is connected with the change-over valve and is used for controlling the communication between the first end and the second end of the change-over valve after the water path module stops supplying water, so that residual water in the water outlet pipeline flows back to the water tank through the return pipeline.
According to the waterway control system of the drinking water supply device provided by the embodiment of the invention, the water outlet pipeline is arranged between the water outlet and the first end of the change-over valve, the return pipeline is arranged between the water tank and the second end of the change-over valve, the return pipeline is arranged below the water outlet, the waterway module is connected with the third end of the change-over valve, the control unit is connected with the change-over valve, and after the waterway module stops supplying water, the control unit controls the first end and the second end of the change-over valve to be communicated, so that residual water in the water outlet pipeline flows back to the water tank through the return pipeline. Therefore, the water path control system of the drinking water supply device provided by the embodiment of the invention has the advantages that the return pipeline is additionally arranged, so that residual water in the water outlet pipeline flows back to the water tank through the return pipeline, the residual water can be avoided, the outlet water is ensured to be fully heated, and the bacteria breeding can be avoided.
According to an embodiment of the present invention, the control unit is further configured to control the first end of the switching valve to communicate with the third end after the residual water in the water outlet line flows back to the water tank through the return line.
According to an embodiment of the invention, the return line is arranged below the water outlet.
According to one embodiment of the invention, the waterway module comprises a hot water waterway for providing hot water, wherein the hot water waterway comprises: heating a tube; a water inlet of the hot tank is connected with the water tank, and a water outlet of the hot tank is connected with the third end of the conversion valve through the heating pipe; the first water pump is arranged between the hot tank and the heating pipe.
According to an embodiment of the invention, the waterway module further comprises a cold water waterway for providing cold water, wherein the cold water waterway comprises: the water inlet of the ice container is connected with the water tank, and the water outlet of the ice container is connected with the third end of the change-over valve; and the second water pump is arranged between the ice container and the switching valve.
According to one embodiment of the invention, the control unit controls the waterway module to stop supplying water by controlling the first water pump and/or the second water pump to stop working.
In order to achieve the above object, a drinking water supply device according to a second aspect of the present invention includes a water path control system of the drinking water supply device according to the first aspect of the present invention.
According to the drinking water supply device provided by the embodiment of the invention, the residual water in the water outlet pipeline can flow back to the water tank through the return pipeline through the arranged water path control system of the drinking water supply device, so that the residual water can be avoided, the outlet water is ensured to be fully heated, and the bacteria breeding can be avoided.
In order to achieve the above object, a third aspect of the present invention provides a method for controlling a waterway control system of a drinking water supply device, the waterway system including a water outlet, a switching valve, a water tank, a water outlet pipe disposed between the water outlet and a first end of the switching valve, a return pipe disposed between the water tank and a second end of the switching valve, and a waterway module connected to a third end of the switching valve, the method including: confirming that the waterway module stops supplying water; and controlling the first end and the second end of the conversion valve to be communicated so as to enable residual water in the water outlet pipeline to flow back to the water tank through the return pipeline.
According to the control method of the waterway control system of the drinking water supply device provided by the embodiment of the invention, firstly, the waterway module is confirmed to stop supplying water, and then the first end and the second end of the change-over valve are controlled to be communicated, so that residual water in the water outlet pipeline flows back to the water tank through the return pipeline. Therefore, the control method of the water path control system of the drinking water supply device provided by the embodiment of the invention can enable the residual water in the water outlet pipeline to flow back to the water tank through the return pipeline, so that the residual water can be avoided, the outlet water is ensured to be fully heated, and the breeding of bacteria can be avoided.
According to an embodiment of the present invention, the method for controlling the waterway control system of the drinking water supply device further includes: and after the residual water in the water outlet pipeline flows back to the water tank through the return pipeline, controlling the first end of the change-over valve to be communicated with the third end.
In order to achieve the above object, a fourth aspect of the present invention provides a computer-readable storage medium, on which a computer program is stored, wherein the program, when executed by a processor, implements a control method of a water path control system of a drinking water supply device according to the third aspect of the present invention.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a block diagram illustrating a waterway control system of a drinking water supply device according to an embodiment of the present invention;
FIG. 2 is a block diagram of a waterway control system of the drinking water supply device according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a waterway system of the drinking water supply device according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a waterway system of the drinking water supply device according to another embodiment of the present invention;
FIG. 5 is a schematic structural view illustrating a waterway system of the drinking water supply device in accordance with still another embodiment of the present invention;
FIG. 6 is a schematic structural view of a waterway system of the drinking water supply device according to still another embodiment of the present invention;
FIG. 7 is a flowchart illustrating a method for controlling a waterway control system of a drinking water supply device according to an embodiment of the present invention;
FIG. 8 is a flow chart illustrating a control method of the waterway control system of the drinking water supply device according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative and intended to explain the present invention and should not be construed as limiting the present invention.
The waterway control system of the drinking water supply device, the control method thereof and the drinking water supply device of the embodiment of the invention are described below with reference to the accompanying drawings.
FIG. 1 is a block diagram of a waterway control system of a drinking water supply device according to an embodiment of the present invention.
As shown in fig. 1, the waterway control system of the drinking water supply device according to the embodiment of the present invention includes a water outlet 10, a switching valve 20, a water tank 30, a water outlet pipe 40, a return pipe 50, a waterway module 60, and a control unit 70.
Wherein, the water outlet pipeline 40 is arranged between the water outlet 10 and the first end of the change-over valve 20; the return line 50 is provided between the water tank 30 and the second end of the switch valve 20; the waterway module 60 is connected with the third end of the switching valve 20; the control unit 70 is connected to the switching valve 20, and the control unit 70 is configured to control the first end and the second end of the switching valve 20 to communicate with each other after the waterway module 60 stops supplying water, so that the remaining water in the water outlet line 40 flows back to the water tank 30 through the return line 50.
Wherein, the drinking water supply device can be a drinking water machine or a water purifier and the like.
It should be noted that the switching valve 20 may be a two-way valve, i.e. a two-way flow may be achieved, a first way may be provided between the first end and the third end of the switching valve 20, and a second way may be provided between the first end and the second end of the switching valve 20, i.e. water may flow through the first way between the first end and the third end of the switching valve 20, or water may flow through the second way between the first end and the second end of the switching valve 20.
The water tank 30 is used for storing water, and when the first end of the switching valve 20 is communicated with the third end, the water in the water tank 30 can be provided to the water outlet 10 through the water outlet pipeline 40 after being processed, such as cooled or heated, by the waterway module 60, so as to be taken by a user. When the first and second ends of the switch valve 20 are in communication, the remaining water in the outlet line 40 may flow back to the tank 30 through the return line 50.
It can be understood that after the waterway module 60 stops supplying water, the control unit 70 controls the first end and the second end of the switching valve 20 to communicate with each other, and the residual water in the water outlet pipeline 40 flows back to the water tank 30 through the return pipeline 50, so that the risks of insufficient heating and bacteria growth caused by the residual water in the next water receiving process can be avoided.
As one example, the return line 50 may be disposed below the water outlet 10, whereby residual water within the water outlet line 40 may flow back to the water tank 30 through the return line 50 by gravity.
Further, according to an embodiment of the present invention, the control unit 70 is further configured to control the first end of the switching valve 20 to communicate with the third end after the remaining water in the water outlet line 40 flows back to the water tank 30 through the return line 50.
It is understood that after the waterway module 60 stops supplying water for a predetermined time, that is, after the waterway module 60 stops supplying water, the remaining water in the outlet line 40 flows back to the water tank 30 through the return line 50 after the predetermined time.
The preset time may be set according to a time required for the residual water to flow back to the water tank 30, for example, the value of the preset time ranges from 1s to 3s, and is preferably 2s.
It can be appreciated that during a predetermined time, for example, 2s, when the waterway module 60 stops supplying water, the control unit 70 controls the first end and the second end of the switching valve 20 to communicate with each other, and at this time, the residual water in the water outlet line 40 can flow back to the water tank 30 through the return line 50 by gravity. From this, through increasing return line 50, can avoid when next water receiving, the risk of the heating that leads to by the surplus water is insufficient and breed the bacterium.
After the waterway module 60 stops supplying water for a predetermined time, for example, 2s, the remaining water in the water outlet line 40 flows back to the water tank 30 through the return line 50, and the control unit 70 controls the first end of the switching valve 20 to communicate with the third end to prepare for the next water supply.
In addition, the lamp indicating water on the display screen of the drinking water supply device may flash for a preset time delay, that is, the lamp indicating water on the display screen of the drinking water supply device may start flashing after the waterway module 60 stops supplying water for the preset time.
Specifically, according to an embodiment of the present invention, as shown in fig. 2, the waterway module 60 includes a hot water waterway 6 for providing hot water, wherein the hot water waterway 6 includes: the heating pipe 61, the hot tank 62 and the first water pump 63, wherein the water inlet of the hot tank 62 is connected with the water tank 30, and the water outlet of the hot tank 62 is connected with the third end of the switching valve 20 through the heating pipe 61; the first water pump 63 is disposed between the hot tank 62 and the heating pipe 61.
As one example, the heating pipe 61 may be a heat pipe, i.e., the heat pipe may heat water flowing therethrough.
It can be understood that the water in the water tank 30 flows into the hot tank 62 through the inlet of the hot tank 62, and when the waterway module 60 provides hot water, the first water pump 63 is operated, that is, the first water pump 63 can drive the water in the hot water waterway 6 to flow, so that the water in the hot tank 62 flows into the heating pipe 61 to be heated by the heating pipe 61, and then the water heated by the heating pipe 61 flows out to the water outlet 10 through the switching valve 20 for the user.
Further, according to an embodiment of the present invention, as shown in fig. 2, the waterway module 60 further includes a cold water waterway 7 for providing cold water, wherein the cold water waterway 7 includes an ice bladder 71 and a second water pump 72, wherein a water inlet of the ice bladder 71 is connected to the water tank 30, and a water outlet of the ice bladder 71 is connected to the third end of the switching valve 20; the second water pump 72 is disposed between the ice bladder 71 and the switching valve 20.
It can be understood that the water in the water tank 30 flows into the ice container 71 through the water inlet of the ice container 71, the ice container 71 can cool the flowing water, and when the water path module 60 provides cold water, the second water pump 72 works, that is, the second water pump 72 can drive the water in the cold water path 7 to flow, so that the water cooled by the ice container 71 flows out to the water outlet 10 through the change-over valve 20 for the user to use.
From this, hot water route 6 and cold water route 7 are respectively through the water pump drive of self to, through the break-make in different water routes of different water pump control, the load is comparatively stable, need not additionally set up valves. In addition, the second water pump 72 of the cold water path 7 is disposed behind the ice bladder 71, and the first water pump 63 of the hot water path 6 is disposed between the hot tank 62 and the heating pipe 61, so that the pressure loss is effectively reduced, and the water outlet flow rate is ensured.
According to an embodiment of the present invention, the control unit 70 controls the waterway module 60 to stop supplying water by controlling the first water pump 63 and/or the second water pump 72 to stop operating.
It can be understood that when the control unit 70 controls the first water pump 63 to be stopped, the water in the hot tank 62 cannot be discharged to the heating pipe 61, and when the control unit 70 controls the second water pump 72 to be stopped, the water in the ice bladder 71 cannot be discharged to the switching valve 20, and the waterway module 60 stops supplying the water. During a preset time period, for example, 2s, when the water supply is stopped, the control unit 70 controls the first end of the switching valve 20 to communicate with the second end, and at this time, the residual water in the water outlet pipeline 40 can flow back to the water tank 30 through the return pipeline 50 by gravity, so that the risks of insufficient heating and bacteria growth caused by the residual water during the next water receiving can be avoided.
After the water supply is stopped for a predetermined time, for example, 2 seconds, the lamp indicating the water on the display screen of the drinking water supply device begins to blink, at which time, the remaining water in the water outlet line 40 has flowed back to the water tank 30 through the return line 50, and the control unit 70 controls the first end of the switching valve 20 to communicate with the third end to prepare for the next water supply.
When supplying water next time, for example, supplying hot water, the control unit 70 may control the first water pump 63 to operate, the first water pump 63 drives the water in the hot tank 62 to be discharged to the heating pipe 61 for heating, and the heated water flows out to the water outlet 10 through the switching valve 20 for the user to use. When the cold water is supplied next time, the control unit 70 may control the second water pump 72 to operate, and the second water pump 72 drives the water in the ice container 71 to flow out to the water outlet 10 through the switching valve 20 for the user to use.
In summary, according to the waterway control system of the drinking water supply device provided in the embodiment of the present invention, the water outlet pipeline is disposed between the water outlet and the first end of the switch valve, the return pipeline is disposed between the water tank and the second end of the switch valve, the return pipeline is disposed below the water outlet, the waterway module is connected to the third end of the switch valve, the control unit is connected to the switch valve, and after the waterway module stops supplying water, the control unit controls the first end and the second end of the switch valve to communicate with each other, so that the residual water in the water outlet pipeline flows back to the water tank through the return pipeline. Therefore, the water path control system of the drinking water supply device in the embodiment of the invention enables the residual water in the water outlet pipeline to flow back to the water tank through the return pipeline, thereby avoiding residual water, ensuring that the outlet water is sufficiently heated, and avoiding bacteria breeding.
The structure of the water path system of the drinking water supply apparatus will be described in detail with reference to fig. 3 to 6.
As shown in fig. 3 to 6, the waterway system 1 of the drinking water supply device according to the embodiment of the present invention has the water outlet 10, and the waterway system 1 of the drinking water supply device includes a water storage container, a cold water waterway 7, a hot water waterway 6, a second water pump 72, a first water pump 63, an ice bladder 71 and a heating pipe 61.
The cold water waterway 7 is respectively communicated with the water storage container and the water outlet 10. The hot water waterway 6 is respectively communicated with the water storage container and the water outlet 10 and is connected with the cold water waterway 7 in parallel. The second water pump 72 is connected to the cold water path 7. The first water pump 63 is connected to the hot water path 6. The ice bladder 71 is connected to the cold water path 7. The heating pipe 61 is connected to the hot water path 6.
The operation of the waterway system of the drinking water supply device according to the embodiment of the present invention will be described with reference to fig. 3 to 6.
When a user takes cold water, the second water pump 72 is operated, the first water pump 63 is closed, and water in the water storage container is driven by the second water pump 72, cooled by the ice container 71 and discharged through the water outlet 10;
when the user takes the hot water, the first water pump 63 is operated and the second water pump 72 is turned off, and the water in the water storage container is driven by the first water pump 63, heated by the heating pipe 61, and then discharged through the water outlet 10.
According to the water path system 1 of the drinking water supply device, the second water pump 72 and the first water pump 63 are arranged, so that the water in the cold water path 7 and the water in the hot water path 6 are respectively driven by the second water pump 72 and the first water pump 63, the cold water and the hot water of the drinking water supply device can be switched, and the water paths are directly controlled and switched by the second water pump 72 and the first water pump 63 without arranging an on-off valve. Therefore, the cost for arranging the on-off valve can be saved, the water channel can be simplified, the design and manufacturing difficulty of the water channel is reduced, and the overall cost is further reduced.
In addition, as the waterway system 1 of the water dispenser supply device does not need to be provided with a plurality of on-off valves, the load capacity of the waterway can be improved, the loads in the cold water waterway 7 and the hot water waterway 6 are more stable, the reliability of the waterway is improved, and the comfort of a user during use is ensured.
In addition, since the cold water path 7 and the hot water path 6 are driven by the second water pump 72 and the first water pump 63, respectively, only one water outlet 10 may be provided, and the switching of the water outlet 10 between the cold water outlet and the hot water outlet is realized by controlling the operation states of the second water pump 72 and the first water pump 63. Therefore, the control valve can be further avoided from being used, the structure of the water path and the drinking water supply device is simplified, the cost is further reduced, the use of a user is more convenient, and the comfort of the user in use is improved.
Therefore, the waterway system 1 of the drinking water supply device according to the embodiment of the present invention has the advantages of low cost, stable load, etc.
The waterway system 1 of the drinking water supply device in accordance with an exemplary embodiment of the present invention will be described with reference to fig. 3 to 6.
In some embodiments of the present invention, as shown in fig. 3 to 6, the waterway system 1 of the drinking water supply device according to the embodiment of the present invention has the water outlet 10, and the waterway system 1 of the drinking water supply device includes a water storage container, a cold water waterway 7, a hot water waterway 6, a second water pump 72, a first water pump 63, an ice bladder 71 and a heating pipe 61.
Specifically, as shown in fig. 3-6, the waterway system 1 of the drinking water supply device further includes a water outlet pipeline 40, an outlet of the cold water waterway 7 is connected to an inlet of the water outlet pipeline 40, an outlet of the hot water waterway 6 is connected to an inlet of the water outlet pipeline 40, and the water outlet 10 is located at an outlet of the water outlet pipeline 40. Therefore, water flow can be conveniently guided to the water outlet 10, the flexibility of the position of the water outlet 10 is improved, and the applicability of the waterway system 1 of the drinking water supply device is improved.
For example, the water outlet 10 may be made higher than the water storage container, the ice bladder 71 and the heating pipe 61. Specifically, the water storage container, the ice bladder 71, the heating pipe 61, the second water pump 72, and the first water pump 63 may be integrated on the same waterway plate, and the water outlet 10 may be higher than the waterway plate. Therefore, the water outlet 10 has a higher position, so that a user can conveniently take water and use water, and the comfort of the user in use is improved.
Advantageously, as shown in fig. 3-6, a second water pump 72 is connected between the ice bladder 71 and the water outlet 10. Therefore, the pressure loss caused when the water flows through the second water pump 72 can be reduced, and the water outlet flow of the cold water waterway 7 is ensured.
In one embodiment of the present invention, as shown in fig. 4, the heating pipe 61 is a hot tank 62, and the first water pump 63 is connected between the hot tank 62 and the water outlet 10. Therefore, the pressure loss caused when the water flow passes through the first water pump 63 can be reduced, and the water outlet flow of the hot water waterway 6 is ensured.
In another embodiment of the present invention, as shown in fig. 5, the heating pipe 61 is an instant heating pipe 422, and the first water pump 63 is connected between the instant heating pipe 422 and the water storage tank. In this way, the pressure loss caused when the water flows through the first water pump 63 can be reduced, and the water outlet flow of the hot water waterway 6 can be ensured.
In still another embodiment of the present invention, as shown in fig. 6, the heating pipe 61 includes a hot pipe 422 and a hot tank 62, the hot pipe 422 is connected between the hot tank 62 and the water outlet 10, and the first water pump 63 is connected between the hot tank 62 and the hot pipe 422. In this way, the pressure loss caused when the water flows through the first water pump 63 can be reduced, and the water outlet flow of the hot water waterway 6 can be ensured.
Alternatively, the second water pump 72 and the first water pump 63 are both diaphragm pumps. Therefore, the second water pump 72 and the first water pump 63 have good water flow control capacity, the on-off of the hot water waterway 6 and the cold water waterway 7 can be controlled conveniently, water leakage is avoided, an additional on-off control structure is not required to be arranged, and the cost of the waterway system 1 is further reduced.
More specifically, as shown in fig. 3 to 6, the waterway system 1 of the drinking water supply device further includes a water supply pipe 250, the water storage container includes the water tank 30 and the replaceable water tank 120, the water tank 120 is located below the water tank 30, the water supply pipe 250 is respectively communicated with the water tank 120 and the water tank 30, the cold water waterway 7 is respectively communicated with the water tank 30 and the water outlet 10, and the hot water waterway 6 is respectively communicated with the water tank 30 and the water outlet 10. Therefore, the bucket 120 can be conveniently placed below the water tank 30, the ice liner 71 and the heating pipe 61, the bucket 120 can be conveniently stored, a user can conveniently replace the bucket 120, and the comfort of the user in use is further improved.
For example, the water tank 30, the ice bladder 71, the heating pipe 61, the second water pump 72, and the first water pump 63 may be integrated on the same water path plate, and the water tub 120 may be lower than the water path plate. Can further be convenient for accomodate cask 120 like this, the user of being convenient for changes cask 120, travelling comfort when further improving the user and using.
Advantageously, as shown in fig. 3 to 6, a water supply pump 251 is connected to the water supply pipe 250. Therefore, water in the water bucket 120 can smoothly enter the water tank 30, and the water inlet and outlet flow of the water path system 1 is ensured.
Alternatively, the upper water pump 251 may be a diaphragm pump. This facilitates control of the water flow through the water feed line 250.
Fig. 3 to 6 show a waterway system 1 of a drinking water supply device according to a specific example of the present invention. The waterway system 1 of the drinking water supply device further comprises a return line 50 and a switching valve 20, the switching valve 20 is connected to the water outlet line 40, the return line 50 is respectively communicated with the water storage container and the switching valve 20, and the switching valve 20 has a first through port 520 communicated with the inlet of the water outlet line 40, a second through port 510 communicated with the first water pump 63 and the second water pump 72, and a third through port 530 communicated with the return line 50.
In one embodiment of the present invention, the switching valve 20 has a water outlet state and a water return state, the switching valve 20 is in the water outlet state, the first port 520 and the second port 510 are communicated, the first port 520 and the third port 530 are disconnected, and the second port 510 and the third port 530 are disconnected; when the switch valve 20 is in the water return state, the first port 520 and the second port 510 are disconnected, the second port 510 and the third port 530 are disconnected, and the first port 520 and the third port 530 are communicated. Therefore, during normal water outlet, cold water or hot water flows to the water outlet 10 through the second through opening 510 and the first through opening 520 in sequence, and during a water return state, residual water in the water outlet pipeline 40 can flow back to the water storage container through the first through opening 520 and the third through opening 530 in sequence. Specifically, it can flow back into the water tank 30. From this can avoid water to remain in outlet pipe 40, can avoid leaving water in outlet pipe 40 for a long time and cause secondary pollution on the one hand, on the other hand can retrieve the water in outlet pipe 40, avoids the waste of water resource, and when can avoid the user to take the water of different temperatures on the one hand again, the temperature that the user got the water is influenced to the water of remaining in outlet pipe 40 to comfort when further guaranteeing the user and using.
In another embodiment of the present invention, the switching valve 20 has a water discharging state and a cleaning state, the switching valve 20 is in the water discharging state, the first port 520 and the second port 510 are communicated, the first port 520 and the third port 530 are disconnected, and the second port 510 and the third port 530 are disconnected; when the switching valve 20 is in the cleaning state, the first port 520 and the second port 510 are disconnected, the second port 510 and the third port 530 are communicated, and the first port 520 and the third port 530 are disconnected. Thus, during normal water outlet, cold water or hot water flows to the water outlet 10 through the second through port 510 and the first through port 520, and during a cleaning state, water flows between the water storage container and the cold water waterway 7 and between the water storage container and the hot water waterway 6 through the second through port 510 and the third through port 530. Specifically, in the washing state, water flows between the water tank 30 and the cold water path 7 and between the water tank 30 and the hot water path 6 through the second and third ports 510 and 530. This enables the ice bladder 71, the heating pipe 61, the second water pump 72, the first water pump 63, the cold water path 7, and the hot water path 6 to be cleaned.
In still another embodiment of the present invention, the switching valve 20 includes a water outlet state, a cleaning state and a water returning state, the switching valve 20 is in the water outlet state, the first through port 520 is communicated with the second through port 510, the first through port 520 is disconnected from the third through port 530, and the second through port 510 is disconnected from the third through port 530; when the switching valve 20 is in the cleaning state, the first port 520 and the second port 510 are disconnected, the second port 510 and the third port 530 are communicated, and the first port 520 and the third port 530 are disconnected; when the switch valve 20 is in the water return state, the first port 520 and the second port 510 are disconnected, the second port 510 and the third port 530 are disconnected, and the first port 520 and the third port 530 are communicated. Thus, during normal water outlet, cold water or hot water flows to the water outlet 10 through the second through opening 510 and the first through opening 520 in sequence. In the water return state, the water remaining in the water outlet pipeline 40 may flow back to the water storage container through the first through port 520 and the third through port 530 in sequence. Specifically, it can flow back into the water tank 30. From this can avoid water to remain in outlet pipe 40, can avoid leaving water in outlet pipe 40 for a long time and cause secondary pollution on the one hand, on the other hand can retrieve the water in outlet pipe 40, avoids the waste of water resource, and when can avoid the user to take the water of different temperatures on the one hand again, the temperature that the user got the water is influenced to the water of remaining in outlet pipe 40 to comfort when further guaranteeing the user and using. In the washing state, water flows between the water storage container and the cold water waterway 7 and between the water storage container and the hot water waterway 6 through the second and third ports 510 and 530. Specifically, in the washing state, water flows between the water tank 30 and the cold water path 7 and between the water tank 30 and the hot water path 6 through the second and third ports 510 and 530. This enables the ice bladder 71, the heating pipe 61, the second water pump 72, the first water pump 63, the cold water path 7, and the hot water path 6 to be cleaned.
Advantageously, as shown in fig. 3-6, an inlet check valve 111 is connected to the water tank 30 that only allows gas to enter the water tank 30. Therefore, the influence of the pressure in the waterway system 1 on the water inlet and the water discharge of the water tank 30 can be avoided, and the water inlet and the water outlet of the waterway system 1 are smoother.
Specifically, as shown in fig. 3 to 6, the water tank 30 is provided with a drain port 112. Thus, the water remaining in the water tank 30 can be drained using the drain port 112, thereby preventing secondary pollution caused by the water remaining in the water tank 30 when not used for a long time.
More specifically, as shown in fig. 3 to 6, a drain normally-closed valve 261 is connected to the drain port 112. This can control whether the water tank 30 is drained or not by controlling the state of the drain normally-closed valve 261.
Specifically, the waterway system 1 further includes a drain pipe 260, and the drain pipe 260 communicates with the drain normally-closed valve 261 and the drain port 112, respectively. Therefore, the drained water can be guided to the preset position conveniently, other structures of the drinking water supply device are prevented from being influenced, and the applicability and the reliability of the drinking water supply device are further improved.
In an embodiment of the present invention, as shown in fig. 3, the waterway system 1 of the drinking water supply device further includes a cold balance pipe 270 and a hot balance pipe 280, the cold balance pipe 270 is respectively communicated with the upper ends of the water tank 30 and the ice container 71, and the hot balance pipe 280 is respectively communicated with the upper ends of the water tank 30 and the heating pipe 61. Specifically, heating pipe 61 includes a heat tank 62 and an instant heat pipe 422, and heat balance pipe 280 communicates with the upper end of heat tank 62. This allows communication between the water tank 30 and the ice bladder 71 and between the water tank 30 and the heating pipe 61, and allows water to be automatically stored in the heating pipe 61 and the ice bladder 71 when the water level in the water tank 30 is sufficient.
Based on the waterway control system of the drinking water supply device in the above embodiment, the embodiment of the invention also provides a drinking water supply device, which comprises the waterway control system of the drinking water supply device.
Wherein, the drinking water supply device can be a drinking water machine or a water purifier and the like.
According to the drinking water supply device provided by the embodiment of the invention, the residual water in the water outlet pipeline can flow back to the water tank through the return pipeline through the arranged water path control system of the drinking water supply device, so that the residual water can be avoided, the outlet water is ensured to be fully heated, and the bacteria breeding can be avoided.
Based on the waterway control system of the drinking water supply device in the embodiment, the embodiment of the invention also provides a control method of the waterway control system of the drinking water supply device.
FIG. 7 is a flowchart illustrating a control method of the waterway control system of the drinking water supply device according to an embodiment of the present invention.
The waterway system comprises a water outlet, a change-over valve, a water tank, a water outlet pipeline, a return pipeline and a waterway module, wherein the water outlet pipeline is arranged between the water outlet and the first end of the change-over valve, the return pipeline is arranged between the water tank and the second end of the change-over valve, and the waterway module is connected with the third end of the change-over valve. Wherein, the return line can be arranged below the water outlet.
As shown in fig. 7, the method for controlling the water path control system of the drinking water supply device according to the embodiment of the present invention includes the following steps:
s1, confirming that the waterway module stops supplying water.
And S2, communicating the first end and the second end of the control change-over valve so as to enable residual water in the water outlet pipeline to flow back to the water tank through the return pipeline.
According to an embodiment of the present invention, the control method of the waterway control system of the drinking water supply device further includes: after the residual water in the water outlet pipeline flows back to the water tank through the return pipeline, the first end of the control conversion valve is communicated with the third end.
Specifically, in the embodiment of the present invention, as shown in fig. 8, the method for controlling the water path control system of the drinking water supply device according to the embodiment of the present invention may include the following steps:
and S101, confirming that the water channel module stops supplying water.
And S102, controlling the first end and the second end of the conversion valve to be communicated so that the residual water in the water outlet pipeline flows back to the water tank through the return pipeline.
S103, after the residual water in the water outlet pipeline flows back to the water tank through the return pipeline, the first end of the control change-over valve is communicated with the third end.
It should be noted that the above explanation of the water path control system of the drinking water supply device is also applicable to the control method of the water path control system of the drinking water supply device of the present embodiment, and is not repeated herein.
In summary, according to the control method of the waterway control system of the drinking water supply device provided by the embodiment of the present invention, it is first determined that the waterway module stops supplying water, and then the first end and the second end of the switching valve are controlled to communicate, so that the residual water in the water outlet pipeline flows back to the water tank through the return pipeline. Therefore, the control method of the waterway control system of the drinking water supply device can enable the residual water in the water outlet pipeline to flow back to the water tank through the return pipeline, so that the risks of insufficient heating and bacteria breeding caused by the residual water during next water receiving can be avoided.
Based on the control method of the waterway control system of the drinking water supply device in the above embodiment, an embodiment of the present invention further provides a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements the control method of the waterway control system of the drinking water supply device as described above.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing steps of a custom logic function or process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
The logic and/or steps represented in the flowcharts or otherwise described herein, such as an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Further, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, various steps or methods may be implemented in software or firmware stored in a memory and executed by a suitable instruction execution system. If implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried out in the method of implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and the program, when executed, includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. A waterway control system of a drinking water supply device is characterized by comprising:
a water outlet, a change-over valve and a water tank;
a water outlet line disposed between the water outlet and the first end of the switching valve;
a return line disposed between the water tank and the second end of the switching valve;
the waterway module is connected with the third end of the switching valve;
the control unit is connected with the switching valve and is used for controlling the first end and the second end of the switching valve to be communicated after the waterway module stops supplying water, so that residual water in the water outlet pipeline flows back to the water tank through the return pipeline;
the control unit is also used for controlling the first end of the change-over valve to be communicated with the third end after the residual water in the water outlet pipeline flows back to the water tank through the return pipeline;
the control unit is also used for controlling the second end of the switching valve to be communicated with the third end when the switching valve is in a cleaning state.
2. The waterway control system of the drink supply device of claim 1, wherein the return line is disposed below the water outlet.
3. The waterway control system of a drinking water supply device according to any one of claims 1-2, wherein the waterway module includes a hot water waterway for providing hot water, wherein the hot water waterway includes:
heating a tube;
a water inlet of the hot tank is connected with the water tank, and a water outlet of the hot tank is connected with a third end of the conversion valve through the heating pipe;
the first water pump is arranged between the hot tank and the heating pipe.
4. The waterway control system of the drink supply device of claim 3, wherein the waterway module further comprises a cold water waterway for providing cold water, wherein the cold water waterway comprises:
the water inlet of the ice container is connected with the water tank, and the water outlet of the ice container is connected with the third end of the change-over valve;
and the second water pump is arranged between the ice container and the switching valve.
5. The waterway control system of the drinking water supply device of claim 4, wherein the control unit controls the waterway module to stop supplying water by controlling the first water pump and/or the second water pump to stop working.
6. A drinking water supply device characterized by comprising the waterway control system of the drinking water supply device according to any one of claims 1 to 5.
7. A method for controlling a waterway control system of a drinking water supply device, the waterway control system including a water outlet, a switching valve, a water tank, a water outlet pipe disposed between the water outlet and a first end of the switching valve, a return pipe disposed between the water tank and a second end of the switching valve, and a waterway module connected to a third end of the switching valve, the method comprising the steps of:
confirming that the waterway module stops supplying water;
controlling the first end and the second end of the conversion valve to be communicated so that residual water in the water outlet pipeline flows back to the water tank through the return pipeline;
after residual water in the water outlet pipeline flows back to the water tank through the return pipeline, controlling the first end of the change-over valve to be communicated with the third end;
and when the switching valve is in a cleaning state, controlling the second end of the switching valve to be communicated with the third end.
8. A computer-readable storage medium, having stored thereon a computer program which, when executed by a processor, implements a method of controlling a waterway control system of a drinking water supply device according to claim 7.
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| CN201910318418.XA CN111820748B (en) | 2019-04-19 | 2019-04-19 | Water path control system of drinking water supply device and control method thereof |
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| CN112545308A (en) * | 2020-11-17 | 2021-03-26 | 华帝股份有限公司 | Instant heating type pipeline water dispenser and zero cold water outlet control method |
| CN112998524A (en) * | 2021-02-25 | 2021-06-22 | 佛山市顺德区美的饮水机制造有限公司 | Water treatment device, control method and control device of water treatment device |
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