CN106361152A - Double temperature energy storage type intelligent drinking water device - Google Patents
Double temperature energy storage type intelligent drinking water device Download PDFInfo
- Publication number
- CN106361152A CN106361152A CN201611013668.5A CN201611013668A CN106361152A CN 106361152 A CN106361152 A CN 106361152A CN 201611013668 A CN201611013668 A CN 201611013668A CN 106361152 A CN106361152 A CN 106361152A
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- water
- temperature energy
- energy storage
- water side
- hot water
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- 238000004146 energy storage Methods 0.000 title claims abstract description 23
- 239000003651 drinking water Substances 0.000 title abstract description 15
- 235000020188 drinking water Nutrition 0.000 title abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 178
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 230000009977 dual effect Effects 0.000 claims description 42
- 230000035622 drinking Effects 0.000 claims description 24
- 239000006200 vaporizer Substances 0.000 claims description 16
- 230000003020 moisturizing effect Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 2
- 239000008398 formation water Substances 0.000 claims description 2
- 239000008400 supply water Substances 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims 2
- 238000010438 heat treatment Methods 0.000 abstract description 8
- 238000005057 refrigeration Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 6
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Classifications
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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
-
- 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
- A47J31/06—Filters or strainers for coffee or tea makers ; Holders therefor
-
- 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
- A47J31/4403—Constructional details
-
- 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
- A47J31/4403—Constructional details
- A47J31/4457—Water-level indicators
-
- 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
- A47J31/462—Dispensing spouts, pumps, drain valves or like liquid transporting devices with an intermediate liquid storage tank
- A47J31/465—Dispensing spouts, pumps, drain valves or like liquid transporting devices with an intermediate liquid storage tank for the heated water
-
- 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
- A47J31/462—Dispensing spouts, pumps, drain valves or like liquid transporting devices with an intermediate liquid storage tank
- A47J31/467—Dispensing spouts, pumps, drain valves or like liquid transporting devices with an intermediate liquid storage tank for the infusion
-
- 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
- A47J31/50—Urns with devices for keeping beverages hot or cool
- A47J31/505—Urns with devices for keeping beverages hot or cool with heat-supply regulation
-
- 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
- A47J31/54—Water boiling vessels in beverage making machines
- A47J31/56—Water boiling vessels in beverage making machines having water-level controls; having temperature controls
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a double temperature storage type intelligent drinking water device. The double temperature storage type intelligent drinking water device comprises a double temperature energy storage water tank and a controller. A cold water side, a hot water side and a temperature automatic switch valve are arranged inside the double temperature energy storage water tank; the cold water side is communicated with a number of cold water taps, and the hot water side is communicated with a number of hot water taps; the hot water side, a circulating water pump and an evaporator are communicated end to end in sequence through a water circulation pipeline to form a hot water circulation loop; the cold water side, the circulating water pump and the evaporator are communicated end to end in sequence through the water circulation pipeline to form a cold water circulation loop. A compressor, a four-way valve, the evaporator, a condenser, an expansion valve, the four-way valve, a gas-liquid separator and the compressor are communicated in sequence to form a heating loop; the compressor, the four-way valve, the condenser, the expansion valve, the evaporator, the four three-way valve, the gas-liquid separator and the compressor are communicated in sequence to form a refrigeration loop. The double temperature storage type intelligent drinking water device achieves the result of small energy consumption, and can provide a large amount of hot water and cold water for use, and by setting an ambient temperature sensor, the system is always in a power saving mode.
Description
Technical field
The present invention relates to drinking device and in particular to a kind of dual temperature energy storage type intelligence drinking device.
Background technology
Development with social economy and the raising of people's living standard, the use of water dispenser is also more and more extensive, especially
Big-and-middle-sized water dispenser is also widely used for the public places such as school, market, at present, the big-and-middle-sized drink that on market, tradition uses
Water dispenser is all inefficient high consumption patterns, and can not meet to supply the water yield that simultaneously uses of many people and can control simultaneously again and water temperature
That spends is constant, and existing big-and-middle-sized water dispenser is there is problems in that 1, drinking device configures power height and the high efficiency that consumes energy
Low；2nd, demand a large amount of hot and cold water situation simultaneously can not be met；3rd, can not meet the working condition requirement of high temperature and extremely frigid zones；4th, water outlet
Appropriate water temperature regulation and control are made in the change that temperature can not intelligently follow ambient temperature.Therefore existing drinking machine apparatus technology needs
Improve and develop.
Content of the invention
For the deficiencies in the prior art, the present invention provides that a kind of structure is simple, high efficiency, easy to maintenance, and water temperature is controlled automatically
A kind of dual temperature energy storage type intelligence drinking device of system.
To achieve these goals, the present invention adopts the technical scheme that:
A kind of dual temperature energy storage type intelligence drinking device, including dual temperature energy-accumulating water tank and controller, described dual temperature energy-accumulating water tank
Inside it is provided with cold water side and hot water side, described cold water side is connected with some cold water faucet by heat supply water lines, described hot water
Side is connected with some hot water taps by cooling water lines；
Described dual temperature energy-accumulating water tank connects formation water circulation through water circulating pump with vaporizer head and the tail by water circulation pipe and returns
Road；
Be additionally provided with described dual temperature energy-accumulating water tank can by water circulation pipe switch to the temperature of cold water side or hot water side from
Dynamic switch valve；
Described compressor, cross valve, vaporizer, expansion valve, condenser, cross valve, gas-liquid separator and compressor pass through
Heat exchanging pipe is sequentially communicated formation and heats loop；
Described compressor, cross valve, condenser, expansion valve, vaporizer, cross valve, gas-liquid separator and compressor pass through
Heat exchanging pipe is sequentially communicated formation refrigerating circuit；
Described automatic temperature switch valve is connected with controller.
Described cold water side is connected with some cold water faucet by water supply pump.
Described hot water side is connected with some hot water taps by heat-exchanger pump.
Described dual temperature energy storage type intelligence drinking device, also includes moisturizing loop, described moisturizing loop is by y type filter
It is connected with hydrotreater and is formed, and hydrotreater is all connected with hot water side and cold water side by water pipe.
It is provided with the check valve at the water source preventing water from y type filter flow direction outside between the water source of outside and y type filter,
And check valve is connected with controller.
Described cold water side bottom is provided with first liquid level gauge, and first liquid level gauge is connected with controller.
Described hot water side bottom is provided with second liquid level gauge, and second liquid level gauge is connected with controller.
It is additionally provided with environment temperature sensor outside described dual temperature energy-accumulating water tank.
It is provided with automatic heater, described automatic heater is connected with controller in described hot water side.
Compared with prior art, the beneficial effects of the present invention is:
By using dual temperature energy-accumulating water tank, realizing providing in the case of smaller power and low power consuming and concentrating a large amount of hot and cold waters
Function；In refrigerating circuit with heat loop and all adopt cross valve, and utilize automatic temperature switch Vavle switching, realize independent system
Cold water and water heating；By arranging environment temperature sensor, realize water temperature and become with ambient temperature and automatically adjust, make this dress
Put and be in battery saving mode operation all the time；Present configuration is simple simultaneously, low cost of manufacture, easy to maintenance, long service life.
Brief description
Fig. 1 is the structural representation of dual temperature energy storage type intelligence drinking device of the present invention；
Wherein: 1, compressor；2nd, cross valve；3rd, condenser；4th, expansion valve；5th, water pipe；6th, vaporizer；7th, gas-liquid is divided
From device；8th, water circulating pump；9th, dual temperature energy-accumulating water tank；10th, automatic temperature switch valve；11st, heat-exchanger pump；12nd, water supply pump；13rd, hot water
Side；14th, cold water side；15th, hydrotreater；16th, y type filter；17th, check valve；18th, first liquid level gauge；19th, ambient temperature sensing
Device；20th, automatic heater；21st, second liquid level gauge；22nd, cold water faucet；23rd, hot water tap.
Specific embodiment
With reference to specific embodiment, the present invention is further illustrated.
Embodiment:
As Fig. 1, a kind of dual temperature energy storage type intelligence drinking device, including dual temperature energy-accumulating water tank 9 and controller, described dual temperature storage
Cold water side 14 and hot water side 13 can be provided with, described cold water side 14 passes through water supply pump 12 and some cold water faucet 22 phases in water tank 9
Connection.Described hot water side 13 is connected with hot water tap 23 by heat-exchanger pump 11.Described dual temperature energy-accumulating water tank 9, water circulating pump 8
Head and the tail connect formation water-flow circuit successively to pass through water circulation pipe with vaporizer 6；Being additionally provided with described dual temperature energy-accumulating water tank 9 can
Water circulation pipe to be switched to the automatic temperature switch valve 10 of hot water side 13 or cold water side 14；Described compressor 1, cross valve 2,
Vaporizer 6, expansion valve 4, condenser 3, cross valve 2, gas-liquid separator 7 and compressor 1 are sequentially communicated formation and heat loop；Described
Compressor 1, cross valve 2, condenser 3, expansion valve 4, vaporizer 6, cross valve 2, gas-liquid separator 7 and compressor 1 are sequentially communicated
Form refrigerating circuit；Described automatic temperature switch valve 10 is connected with controller.Described cold water side 14 pass through water supply pump 12 with some
Cold water faucet 22 is connected.
Described dual temperature energy storage type intelligence drinking device, also includes moisturizing loop, described moisturizing loop is by y type filter 16
It is connected with hydrotreater 15 and is formed, and hydrotreater 15 is all connected with hot water side 13 and cold water side 14 by water pipe 5.Outward
It is provided with the check valve 17 at the water source preventing water from y type filter 16 flow direction outside between the water source in face and y type filter 16, and single
It is connected to valve 17 with controller, for the moisturizing of hot water or cold water in dual temperature energy-accumulating water tank 9.Described cold water side 14 bottom is provided with
One liquidometer 18, and first liquid level gauge 18 is connected with controller, for monitoring the water level of cold water side 14 inner cold water.Described hot water side
13 bottom is equipped with second liquid level gauge 21, and second liquid level gauge 21 is connected with controller, for monitoring hot water in hot water side 13
Water level.
It is provided with automatic heater 20, described automatic heater 20 is connected with controller, for heat in described hot water side 13
The drinking-water having reached uniform temperature in water side 13 is heated.
Meanwhile, it is additionally provided with environment temperature sensor 19, for temperature to external world outside dual temperature energy-accumulating water tank 9 of the present invention
Carry out implementing monitoring, the data of environment temperature sensor 19 sends controller to, drink can be set according to the height of ambient temperature
Need cooling or the temperature heating up with water, make equipment be in battery saving mode all the time and run.
A kind of operation principle of present invention dual temperature energy storage type intelligence drinking device is as follows:
When needing chilled water, refrigeration working medium is compressed into through compressor 1 to enter from the d mouth of cross valve 2 after high temperature and high pressure gas,
A mouth goes out, and subsequently enters condenser 3 radiating and cooling, enters back into vaporizer 6 and carry out heat exchange after subsequently entering expansion valve 4, meanwhile,
In the presence of water circulating pump 8, the water needing cooling, under the automatic switchover of automatic temperature switch valve 10, enters vaporizer 6 and obtains
To cooling refrigeration, obtain the corresponding cold water side being flowed into dual temperature energy-accumulating water tank 9 of water lowered the temperature.Last refrigeration working medium is in vaporizer
After 6 carry out heat exchange, enter from the c mouth of cross valve, b mouth goes out, then return to compressor 1 through gas-liquid separator 7 and form a circulation, simultaneously
By environment temperature sensor 19, temperature carries out implementing monitoring to the present invention to external world, and the data of environment temperature sensor 19 sends to
Controller, according to the height of ambient temperature, can set the temperature of drinking water cooling, as low in ambient temperature, set by drinking water
The cooling setting value put can suitably set height, reduces the power consumption of whole system, the circulation of whole chilled water is until drinking water fall
Temperature autostop to after cooling setting value.
When needing water heating, refrigeration working medium is compressed into through compressor 1 to enter from cross valve d mouth after high temperature and high pressure gas, c mouth
Go out, subsequently enter vaporizer 6 and carry out heat exchange, meanwhile, in the presence of water circulating pump 8, need the water of heating automatically to open in temperature
Close under the automatic switchover of valve 10, enter vaporizer 6 and heated, the water obtaining heating corresponding is flowed into dual temperature energy-accumulating water tank 9
Hot water side.Last refrigeration working medium, after vaporizer 6 carries out heat exchange, enters back into condenser 3 and carries out heat friendship after entering expansion valve 4
Change, then enter from a mouth of cross valve, b mouth goes out, return to compressor 1 through gas-liquid separator 7 and form a circulation.Preferably, this
It is additionally provided with automatic heater 20 in the dual temperature energy-accumulating water tank 9 of invention, uniform temperature can have been reached in dual temperature energy-accumulating water tank 9
Drinking-water heated, meet the requirement to drinking water water temperature for the extremely frigid zones, simultaneously the present invention pass through environment temperature sensor 19
Temperature carries out implementing monitoring to external world, and the data of environment temperature sensor 19 sends controller to, can be according to the height of ambient temperature
Low, to set the temperature that drinking water needs to heat up, as higher in ambient temperature, the intensification setting value set by drinking water can suitably set
Fixed lower, reduce the power consumption of whole system, the process of whole water heating is stopped after drinking water is warmed up to intensification setting value automatically
Machine.
When needing to drink cold drinking liquid, open cold water faucet 22, water supply pump 12 automatic, cold drinking liquid is in water supply pump
Under 12 dynamic action, cold drinking liquid flows to cold water faucet 22 from cold water side 14, and meanwhile, the present invention passes through first liquid level gauge 18
The water level of monitoring dual temperature energy-accumulating water tank 9 cold water side, when the low cold water water level settings value to this device of cold water side 14 water level, passes through
Check valve 17 opened by controller, and the water source of outside is through check valve 17, then after slightly being considered by y type filter 16, enters hydrotreater
15 carry out fine straining and sterilization, finally flow in cold water side 14, the loop start of this device chilled water simultaneously.
When needing to drink hot drinking water, open hot water tap 23, heat-exchanger pump 11 automatic, in the power of heat-exchanger pump 11
Under effect, hot drinking water automatic stream hot water tap 23, meanwhile, the present invention monitors dual temperature energy storage water by second liquid level gauge 21
The water level of case 9 hot water side, when the low hot water water level settings value to this device of hot water side water level, controller controls opens check valve
17, the water source of outside, through check valve 17, after slightly being considered by y type filter 16, enters back into hydrotreater 15 and carries out fine straining and sterilization,
Finally flow in hot water side 13.Meanwhile, the loop start of this device water heating.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and this embodiment simultaneously is not used to limit this
Bright the scope of the claims, all equivalence enforcements done without departing from the present invention or change, are intended to be limited solely by the scope of the claims of this case.
Claims (9)
1. a kind of dual temperature energy storage type intelligence drinking device is it is characterised in that including dual temperature energy-accumulating water tank (9) and controller, described
Be provided with cold water side (14) and hot water side (13) in dual temperature energy-accumulating water tank (9), described cold water side (14) if by heat supply water lines with
Dry and cold faucet water (22) is connected, and described hot water side (13) is connected with some hot water taps (23) by cooling water lines
Logical；
Described dual temperature energy-accumulating water tank (9) connects formation water through water circulating pump (8) with vaporizer (6) head and the tail by water circulation pipe and follows
Loop back path；
It is additionally provided with described dual temperature energy-accumulating water tank (9) and water circulation pipe can be switched to hot water side (13) or cold water side (14)
Automatic temperature switch valve (10)；
Described compressor (1), cross valve (2), vaporizer (6), expansion valve (4), condenser (3), cross valve (2), gas-liquid separation
Device (7) and compressor (1) are sequentially communicated formation by heat exchanging pipe and heat loop；
Described compressor (1), cross valve (2), condenser (3), expansion valve (4), vaporizer (6), cross valve (2), gas-liquid separation
Device (7) and compressor (1) are sequentially communicated formation refrigerating circuit by heat exchanging pipe；
Described automatic temperature switch valve (10) is connected with controller.
2. dual temperature energy storage type intelligence drinking device according to claim 1 is it is characterised in that described cold water side (14) is passed through
Water supply pump (12) is connected with some cold water faucet (22).
3. dual temperature energy storage type intelligence drinking device according to claim 1 is it is characterised in that described hot water side (13) passes through
Heat-exchanger pump (11) is connected with some hot water taps (23).
4. dual temperature energy storage type according to claim 1 intelligence drinking device is it is characterised in that also include moisturizing loop, institute
The moisturizing loop stated is connected with hydrotreater (15) by y type filter (16) and is formed, and hydrotreater (15) passes through filling pipe
Road (5) is all connected with hot water side (13) and cold water side (14).
5. dual temperature energy storage type according to claim 4 intelligence drinking device is it is characterised in that the water source of outside and y type mistake
It is provided with the check valve (17) at the water source preventing water from y type filter (16) flow direction outside between filter (16), and check valve (17)
It is connected with controller.
6. a kind of dual temperature energy storage type intelligence drinking device according to claim 1 is it is characterised in that described cold water side (14)
Bottom is provided with first liquid level gauge (18), and first liquid level gauge (18) is connected with controller.
7. a kind of dual temperature energy storage type intelligence drinking device according to claim 1 is it is characterised in that described hot water side (13)
Bottom be provided with second liquid level gauge (21), and second liquid level gauge (21) is connected with controller.
8. a kind of dual temperature energy storage type intelligence drinking device according to claim 1 is it is characterised in that described dual temperature energy storage water
It is additionally provided with environment temperature sensor (19) outside case (9).
9. a kind of dual temperature energy storage type intelligence drinking device according to claim 1 is it is characterised in that described hot water side (13)
Inside it is provided with automatic heater (20), described automatic heater (20) is connected with controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611013668.5A CN106361152A (en) | 2016-11-17 | 2016-11-17 | Double temperature energy storage type intelligent drinking water device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611013668.5A CN106361152A (en) | 2016-11-17 | 2016-11-17 | Double temperature energy storage type intelligent drinking water device |
Publications (1)
| Publication Number | Publication Date |
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| CN106361152A true CN106361152A (en) | 2017-02-01 |
Family
ID=57892016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611013668.5A Pending CN106361152A (en) | 2016-11-17 | 2016-11-17 | Double temperature energy storage type intelligent drinking water device |
Country Status (1)
| Country | Link |
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| CN (1) | CN106361152A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109081462A (en) * | 2018-09-11 | 2018-12-25 | 龙口矿业集团有限公司 | Mining both cooling and heating pure water Drinking fountain |
| CN110708990A (en) * | 2017-05-30 | 2020-01-17 | 埃沃咖股份公司 | Automatic hot beverage preparation machine |
| CN110753504A (en) * | 2017-06-22 | 2020-02-04 | 雀巢产品有限公司 | Beverage preparation machine with manually operated pump with flow control device |
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| CN110753504A (en) * | 2017-06-22 | 2020-02-04 | 雀巢产品有限公司 | Beverage preparation machine with manually operated pump with flow control device |
| CN109081462A (en) * | 2018-09-11 | 2018-12-25 | 龙口矿业集团有限公司 | Mining both cooling and heating pure water Drinking fountain |
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Application publication date: 20170201 |