CN110575071A - Self-disinfecting and cleaning warm water boiling machine - Google Patents
Self-disinfecting and cleaning warm water boiling machine Download PDFInfo
- Publication number
- CN110575071A CN110575071A CN201911001969.XA CN201911001969A CN110575071A CN 110575071 A CN110575071 A CN 110575071A CN 201911001969 A CN201911001969 A CN 201911001969A CN 110575071 A CN110575071 A CN 110575071A
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- water
- outlet end
- warm
- water outlet
- inlet end
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 412
- 238000004140 cleaning Methods 0.000 title claims abstract description 13
- 238000009835 boiling Methods 0.000 title description 15
- 238000010438 heat treatment Methods 0.000 claims abstract description 38
- 238000004659 sterilization and disinfection Methods 0.000 claims description 23
- 238000001514 detection method Methods 0.000 claims description 6
- 239000008236 heating water Substances 0.000 claims description 6
- 230000000249 desinfective effect Effects 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 241000894006 Bacteria Species 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001954 sterilising effect Effects 0.000 description 10
- 244000052616 bacterial pathogen Species 0.000 description 7
- 230000035622 drinking Effects 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001502 supplementing effect Effects 0.000 description 3
- 239000002351 wastewater Substances 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000009928 pasteurization Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- A47J31/60—Cleaning devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L2/00—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor
- A61L2/02—Methods or apparatus for disinfecting or sterilising materials or objects other than foodstuffs or contact lenses; Accessories therefor using physical phenomena
- A61L2/04—Heat
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
A self-disinfecting and cleaning warm water machine comprises a heat exchanger, a heating device and a water mixing valve, wherein a water inlet end a is connected with a cold water end, a first water pump is arranged between the cold water end and the water inlet end a, a water outlet end b is communicated with a water inlet end c, the heating device is arranged between the water outlet end b and the water inlet end c, a hot water inlet end of the water mixing valve is connected between the heating device and the water inlet end c, a warm water inlet end is communicated with a water outlet end d, mixed warm water is discharged through a first water outlet of the water mixing valve, a four-way valve is arranged between the water outlet end d and the water mixing valve, the four-way valve is provided with a water inlet end e, a water outlet end f, a water outlet end g and a water outlet end h, the water inlet end e is connected with the water outlet end d, the water outlet end f is communicated with the warm water inlet end, the water outlet end g is connected between the, to kill or reduce the activity of bacteria in the pipeline.
Description
Technical Field
The invention relates to the field of warm water boilers, in particular to a warm water boiler capable of self-disinfecting and cleaning.
Background
The traditional warm water machine has the principle that one path of nearly boiling water is mixed with one path of unheated cold water to enable the water temperature to reach the set temperature of the warm water machine, but the cold water is not heated, so that residual bacteria can possibly exist in the part of drinking water, and the health of a user can be influenced.
Therefore, the structure of the existing warm water machine includes a water tank, a heating device, a heat exchanger, a water pump and a water mixing valve, wherein a connection structure is shown in fig. 1, which is not described in detail, wherein a first water channel between a water inlet end a and a water outlet end d in the heat exchanger is in heat transfer contact with a second water channel between the water inlet end c and the water outlet end d, when in use, cold water in the water tank flows into the heating device through the first water channel by the water pump and is heated to be close to boiling hot water (such as 98 ℃), after the hot water flows out, a part of the hot water flows into the water mixing valve, after the other part of the hot water flows into the second water channel in the heat exchanger through the water inlet end c, most of the hot water in the second water channel exchanges heat with the cold water in the first water channel, so that the hot water flowing into the heating device in the first water channel is higher temperature (such as 45 ℃), the water flowing into the heating device is preheated, and the water flowing out, the low-temperature water flows into the water mixing valve and is mixed with the hot water in the water mixing valve, and the warm water reaching the set temperature is discharged through the water outlet of the water mixing valve;
However, when the warm water machine with the structure is idle for a long time, water in the pipeline (including the first water path and the second water path in the heat exchanger) of the warm water machine is in a static state, bacteria are easily grown in the pipeline due to a warm and humid environment, and low-temperature water with the bacteria is discharged by a user for drinking when the warm water machine is used next time, so that the sanitary problem of drinking water is caused.
Disclosure of Invention
The invention aims to solve the existing problems and provides a self-disinfecting clean warm water machine which is simple and reasonable in structure and has the function of disinfecting and sterilizing water in a pipeline by heating the water in the pipeline of the warm water machine.
A self-disinfecting and cleaning warm water machine comprises a heat exchanger, a heating device and a water mixing valve, wherein a water inlet end a is connected with a cold water end, a first water pump is arranged between the cold water end and the water inlet end a, a water outlet end b is communicated with a water inlet end c, the heating device is arranged between the water outlet end b and the water inlet end c, a hot water inlet end of the water mixing valve is connected between the heating device and the water inlet end c, a warm water inlet end is communicated with a water outlet end d, mixed warm water is discharged through a first water outlet of the water mixing valve, a four-way valve is arranged between the water outlet end d and the water mixing valve, the four-way valve is provided with a water inlet end e, a water outlet end f, a water outlet end g and a water outlet end h, the water inlet end e is connected with the water outlet end d, the water outlet end f is communicated with the warm water inlet end, the water outlet end g is connected between the cold water end and the water inlet end a, when the, bacteria in the pipeline are killed or deactivated by the relatively high temperature water.
The invention can also be solved by adopting the following technical measures:
Further, a first electromagnetic valve is arranged between the first water pump and the cold water end; in order to prevent the first water pump from supplementing new water at the cold water end into the circulating water path, the water in the warm water boiler pipeline is circularly heated, and when disinfection and sterilization are carried out, the first electromagnetic valve is controlled to be closed, water supply at the cold water end is stopped until the disinfection and sterilization are finished, and then the first electromagnetic valve is opened to supplement the new water.
Further explaining, the water outlet end g is connected between the first water pump and the water inlet end a through a water return pipe, and a second water pump is installed on the water return pipe; this structure can adopt the second water pump to promote the heating of the hydrologic cycle flow in warm water machine pipeline when the water supply of cold water end does not adopt the control that opens and shuts of first solenoid valve for replace first water pump to carry out work, and first water pump stop work this moment, can stop the water supply of cold water end promptly, prevent in the cold water inflow endless rivers of cold water end.
Further, the heating water inlet end of the heating device is connected with the water outlet end b, and the heating water outlet end is connected with the water inlet end c; the warm water in the heat exchanger is discharged from the water outlet end b, heated to be close to the boiling state by the heating device 2, flows into the water inlet end c, is subjected to heat exchange or directly flows into the water mixing valve to be directly discharged for drinking or is discharged after being mixed and cooled, so that the temperature of the water entering the warm water and warm water inlet end 302 is once raised to be close to the boiling temperature and the temperature of the water entering the hot water inlet end 301 is kept to be close to the boiling temperature before being discharged.
Further explaining, the cold water end is connected with a water storage tank; the warm water machine can be flexibly arranged through the water storage tank without being externally connected with a water pipe and being arranged at a position close to a water source.
Further explaining, the water outlet end h is connected with a water collecting tank; after the water in the pipeline of the warm water boiler is heated, disinfected and sterilized in a circulating way, the water in the warm water boiler can be discharged into the water collecting tank through the water outlet end h for collection and treatment, so that secondary use is realized.
Further explaining, the water outlet end h is connected with the water storage tank through a return pipe; after the water in the pipeline of the warm water boiler is heated, disinfected and sterilized circularly, the water in the pipeline can be discharged into the water storage tank again through the water outlet end h, and the part of water is recycled, so that the resources are saved.
Further, a temperature detection device is arranged on the water outlet end b; when the warm water boiling machine detects that the warm water boiling machine does not operate for a long time through self-checking, the water in the pipeline of the warm water boiling machine is driven to circularly flow and heat, and when the water in the pipeline detects the set disinfection and sterilization temperature through the temperature detection device, the heating device is triggered to stop heating.
The invention has the following beneficial effects:
According to the self-disinfecting clean warm water machine, when the warm water machine is idle for a long time and is not used, water in the pipeline of the circulating warm water machine enters the heating device to be heated, and the temperature is raised through relatively high-temperature water. The method can kill pathogenic bacteria and most non-pathogenic bacteria in the pipeline and the heat exchanger or reduce the activity of the pathogenic bacteria and the non-pathogenic bacteria, and the part of water which is circularly heated and warmed is discharged for reuse or directly discharged.
Drawings
Fig. 1 is a schematic structural diagram of the prior art of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic structural view of the present invention with the first solenoid valve installed.
Fig. 4 is a schematic view of the structure of the present invention with a second water pump installed.
Fig. 5 is a schematic structural view of the water outlet end h connected with the water storage tank.
Fig. 6 is a schematic structural view of the present invention with a temperature detection device mounted thereon.
Detailed Description
the invention is further illustrated with reference to the following figures and examples.
As shown in fig. 2, a from clear warm water machine that disinfects, including heat exchanger 1, heating device 2 and muddy water valve 3, be equipped with the end a and the play water end b of intaking that are linked together and the end c and the play water end d of intaking that are linked together on heat exchanger 1, it is connected with cold water end 4 to intake water end a, install first water pump 5 between cold water end 4 and the end a of intaking, go out water end b and end c intercommunication of intaking, and heating device 2 installs between end b and the end c of intaking, muddy water valve 3's hot water is intake end 301 and is connected between heating device 2 and the end c of intaking, warm water intake end 302 and play water end d intercommunication, the warm water after the mixture is discharged through first delivery port 8 of muddy water valve 3, its characterized in that: a four-way valve 6 is arranged between the water outlet end d and the water mixing valve 3, a water inlet end e, a water outlet end f, a water outlet end g and a water outlet end h are arranged on the four-way valve 6, the water inlet end e is connected with the water outlet end d, the water outlet end f is communicated with the warm water inlet end 302, and the water outlet end g is connected between the cold water end 4 and the water inlet end a.
When the warm water machine is idle for a long time and is not used, water in the pipeline of the circulating warm water machine enters the heating device 2 to be heated, and the temperature is raised through the relatively high-temperature water. The method can kill pathogenic bacteria and most non-pathogenic bacteria or reduce their activity in pipeline and heat exchanger, and discharge the part of circularly heated water for reuse or direct discharge
As shown in fig. 3, a first electromagnetic valve 9 is installed between the first water pump 5 and the cold water end 4; in order to prevent the first water pump 5 from supplementing the new water at the cold water end 4 into the circulating water path, the water in the warm water boiler pipeline is circularly heated, and when disinfection and sterilization are performed, the first electromagnetic valve 9 is controlled to be closed, the water supply at the cold water end 4 is stopped until the disinfection and sterilization are completed, and then the first electromagnetic valve 9 is opened to supplement the new water.
When the warm water machine is normally used, the water inlet end e of the four-way valve 6 is communicated with the water outlet end f, then the first electromagnetic valve 9 is opened, the cold water end 4 pumps cold water into a first water channel in the heat exchanger 1 between the water inlet end a and the water outlet end d through the first water pump 5, then the cold water flows into the heating device 2 to be heated to a state close to boiling, one part of hot water close to the boiling state is supplied to the hot water inlet end 301 of the water mixing valve 3, the other part of hot water flows into a second water channel in the heat exchanger 1 between the water inlet end c and the water outlet end d, the first water channel and the second water channel are in contact heat exchange, so that the water in the first water channel is heated to high-temperature warm water, then the water flows into the heating device 2 to be heated, cold water can be preheated, the heating energy consumption of the heating device 2 is reduced, the water in the second water channel is cooled to low-temperature warm water after the water heat exchange, the water flows into, and finally discharged through the first water outlet 8.
When the warm boiled water machine is used for disinfection and sterilization, the water inlet end e of the four-way valve 6 is communicated with the water outlet end g, the first electromagnetic valve 9 is closed, the cold water end 4 stops supplying cold water, the water mixing valve 3 stops draining water, then the first water pump 5 works, water which does not flow in the warm boiled water machine for a period of time flows through the first water pump 5 in a circulating mode sequentially, the water inlet end a, the water outlet end b, the heating device 2, the water inlet end c, the water outlet end d, the water inlet end e and the water outlet end g flow back to the first water pump 5 again, when the water flows sequentially, the heating device 2 heats the water which flows in a circulating mode to the temperature of about 60-82 ℃ above zero (the temperature required by pasteurization), and finally the water flows in a circulating mode for a set time, so that pathogenic bacteria and most of.
After the warm water machine is disinfected and sterilized, the water inlet end e of the four-way valve 6 is communicated with the water outlet end h, the first electromagnetic valve 9 is opened, the circularly heated water is discharged from the water outlet end h through the first water pump, then the cold water end is used for supplementing new water to the pipeline of the warm water machine, and after all circularly heated water is discharged, the water inlet end e of the four-way valve 6 is communicated with the water outlet end f again and returns to the state of the warm water machine in normal use.
As shown in fig. 4, the water outlet end g is connected between the first water pump 5 and the water inlet end a through a water return pipe 7, and a second water pump 10 is installed on the water return pipe 7; this structure can adopt second water pump 10 to promote the heating of the hydrologic cycle flow in warm water machine pipeline when the opening and closing control of first solenoid valve 9 is not adopted in the water supply of cold water end 4 for replace first water pump 5 and carry out work, and first water pump 5 stop work this moment, can stop the water supply of cold water end 4 promptly, prevent in the cold water inflow endless rivers of cold water end 4.
The heating water inlet end 201 of the heating device 2 is connected with the water outlet end b, and the heating water outlet end 202 is connected with the water inlet end c; the warm water in the heat exchanger is discharged from the water outlet end b, heated to a state close to boiling by the heating device 2, flows into the water inlet end c, is subjected to heat exchange or directly flows into the water mixing valve 3 to be directly discharged for drinking or is discharged after being mixed and cooled, so that the temperature of the water entering the warm water and warm water inlet end 302 is once raised to a temperature close to boiling, and the temperature of the water entering the hot water and warm water inlet end 301 is kept close to boiling before being discharged.
the cold water end 4 is connected with a water storage tank 11 (figures 2 to 6 are all marked); the warm water machine can be flexibly arranged through the water storage tank 11 without being externally connected with a water pipe and being arranged at a position close to a water source.
The use mode of the water outlet end h comprises the following methods:
Firstly, as shown in fig. 3, the water outlet end h is connected with a waste water pipeline 15, and the waste water pipeline 15 is connected with an upper water pipeline and a lower water pipeline, so that hot water subjected to cyclic heating sterilization is directly discharged and is not used, and the mode ensures the safety of drinking water to the maximum extent.
Secondly, as shown in fig. 3, on the basis of the first type, a water collecting tank 12 is connected to a water outlet end h through a waste water pipeline 15; after the water in the pipeline of the warm water boiler is heated, disinfected and sterilized in a circulating way, the water in the warm water boiler can be discharged into the water collecting tank 12 through the water outlet end h for collection and treatment, so that secondary use is realized.
Thirdly, as shown in fig. 5, the water outlet end h is connected with the water storage tank 11 through a return pipe 13; after the water in the pipeline of the warm water boiler is heated, disinfected and sterilized in a circulating manner, the water in the pipeline can be discharged into the water storage tank again through the water outlet end h, and the part of water is recycled (for example, the water is used for cleaning or replenishing water to plants), so that the resources are saved.
Fourthly, as shown in fig. 6, the water outlet end h is connected with a second water outlet 16, the second water outlet 16 and the first water outlet 8 form a double water outlet nozzle structure, and the hot water subjected to the cyclic heating sterilization is discharged through the second water outlet 16, so that the hot water can be directly drunk after being sterilized and disinfected.
The water outlet end b is provided with a temperature detection device 14; when the warm water machine detects that the warm water machine does not operate for a long time through self-checking, the water in the pipeline of the warm water machine is driven to circularly flow and heat, and when the water in the pipeline is detected to be at the set disinfection and sterilization temperature through the temperature detection device 14, the heating device 2 is triggered to stop heating.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the invention are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a from clear warm water dispensers of disinfecting, including heat exchanger (1), heating device (2) and muddy water valve (3), be equipped with the end a of intaking that is linked together and go out water end b and the end c of intaking that is linked together and go out water end d on heat exchanger (1), it is connected with cold water end (4) to intake end a, install first water pump (5) between cold water end (4) and the end a of intaking, go out water end b and end c intercommunication of intaking, and heating device (2) install between end b of intaking and the end c of intaking, the hot water of muddy water valve (3) is intake end (301) and is connected between heating device (2) and intake end c, the warm water is intake end (302) and is gone out water end d intercommunication, the warm water after the mixture is discharged through first delivery port (8) of muddy water valve (3), its characterized in that: a four-way valve (6) is installed between the water outlet end d and the water mixing valve (3), a water inlet end e, a water outlet end f, a water outlet end g and a water outlet end h are arranged on the four-way valve (6), the water inlet end e is connected with the water outlet end d, the water outlet end f is communicated with the warm water inlet end (302), and the water outlet end g is connected between the cold water end (4) and the water inlet end a.
2. The warm water boiler of self-disinfection cleaning according to claim 1, characterized in that: and a first electromagnetic valve (9) is arranged between the first water pump (5) and the cold water end (4).
3. The warm water boiler of self-disinfection cleaning according to claim 1, characterized in that: the water outlet end g is connected between the first water pump (5) and the water inlet end a through a water return pipe (7), and a second water pump (10) is installed on the water return pipe (7).
4. The warm water boiler of self-disinfection cleaning according to claim 1, characterized in that: the heating water inlet end (201) of the heating device (2) is connected with the water outlet end b, and the heating water outlet end (202) is connected with the water inlet end c.
5. the warm water boiler of self-disinfection cleaning according to claim 1, characterized in that: the cold water end (4) is connected with a water storage tank (11).
6. The warm water boiler of self-disinfection cleaning according to claim 1, characterized in that: the water outlet end h is connected with a water collecting tank (12).
7. The warm water boiler of self-disinfection cleaning according to claim 5, characterized in that: the water outlet end h is connected with the water storage tank (11) through a return pipe (13).
8. The warm water boiler of self-disinfection cleaning according to claim 1, characterized in that: and a temperature detection device (14) is arranged on the water outlet end b.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911001969.XA CN110575071A (en) | 2019-10-21 | 2019-10-21 | Self-disinfecting and cleaning warm water boiling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911001969.XA CN110575071A (en) | 2019-10-21 | 2019-10-21 | Self-disinfecting and cleaning warm water boiling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110575071A true CN110575071A (en) | 2019-12-17 |
Family
ID=68815152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911001969.XA Pending CN110575071A (en) | 2019-10-21 | 2019-10-21 | Self-disinfecting and cleaning warm water boiling machine |
Country Status (1)
| Country | Link |
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| CN (1) | CN110575071A (en) |
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| JP2003145135A (en) * | 2001-11-07 | 2003-05-20 | Kurita Water Ind Ltd | Membrane-type deaeration apparatus and potable drinking water producing apparatus |
| CN202932762U (en) * | 2012-10-31 | 2013-05-15 | 宋志辉 | Circulating heating type water boiler device |
| CN104257277A (en) * | 2014-07-18 | 2015-01-07 | 宁波市鄞州理工环保科技有限公司 | Self-disinfecting device for large-scale stainless steel water dispenser and disinfection process thereof |
| CN105011774A (en) * | 2015-07-21 | 2015-11-04 | 宁波金山食品科技有限公司 | Water outlet temperature and flow control device of water boiling type water dispenser and accurate control method of water outlet temperature and flow control device |
| CN206609136U (en) * | 2017-03-03 | 2017-11-03 | 顺德职业技术学院 | Exchange type liquid heating |
| CN207544922U (en) * | 2017-03-13 | 2018-06-29 | 佛山吉宝信息科技有限公司 | The pre-warmed instant heating type water boiler of cycle in a kind of |
| CN109984602A (en) * | 2018-01-02 | 2019-07-09 | 青岛海尔施特劳斯水设备有限公司 | Water dispenser |
| CN210989737U (en) * | 2019-10-21 | 2020-07-14 | 广东吉宝电器科技有限公司 | Self-disinfecting and cleaning warm water boiling machine |
-
2019
- 2019-10-21 CN CN201911001969.XA patent/CN110575071A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003145135A (en) * | 2001-11-07 | 2003-05-20 | Kurita Water Ind Ltd | Membrane-type deaeration apparatus and potable drinking water producing apparatus |
| CN202932762U (en) * | 2012-10-31 | 2013-05-15 | 宋志辉 | Circulating heating type water boiler device |
| CN104257277A (en) * | 2014-07-18 | 2015-01-07 | 宁波市鄞州理工环保科技有限公司 | Self-disinfecting device for large-scale stainless steel water dispenser and disinfection process thereof |
| CN105011774A (en) * | 2015-07-21 | 2015-11-04 | 宁波金山食品科技有限公司 | Water outlet temperature and flow control device of water boiling type water dispenser and accurate control method of water outlet temperature and flow control device |
| CN206609136U (en) * | 2017-03-03 | 2017-11-03 | 顺德职业技术学院 | Exchange type liquid heating |
| CN207544922U (en) * | 2017-03-13 | 2018-06-29 | 佛山吉宝信息科技有限公司 | The pre-warmed instant heating type water boiler of cycle in a kind of |
| CN109984602A (en) * | 2018-01-02 | 2019-07-09 | 青岛海尔施特劳斯水设备有限公司 | Water dispenser |
| CN210989737U (en) * | 2019-10-21 | 2020-07-14 | 广东吉宝电器科技有限公司 | Self-disinfecting and cleaning warm water boiling machine |
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