CN101947068A - Full-automatic health energy-saving boiling water machine - Google Patents
Full-automatic health energy-saving boiling water machine Download PDFInfo
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- CN101947068A CN101947068A CN 201010141428 CN201010141428A CN101947068A CN 101947068 A CN101947068 A CN 101947068A CN 201010141428 CN201010141428 CN 201010141428 CN 201010141428 A CN201010141428 A CN 201010141428A CN 101947068 A CN101947068 A CN 101947068A
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Abstract
The invention provides a full-automatic health energy-saving boiling water machine which comprises a vacuum heat preservation tank, an electric heated tube, a water inlet pipe, a drain outlet and a drain valve. The full-automatic health energy-saving boiling water machine is characterized by further comprising a steam pipe, an electric temperature controller, a water inlet solenoid valve, a high water level control switch and a low water level control switch, wherein the water inlet solenoid valve is arranged on a water inlet pipeline; the electric temperature controller is arranged on a steam pipeline; the high water level control switch and the low water level control switch are communicated with a water channel at the lower part of an inner chamber of the vacuum insulation tank through a communicating branch pipe; a group of contacts of the high water level control switch are connected with a relay for controlling on-off of a power supply of the electric heated tube or conducting the power supply of the electric heated tube; ends of the other group of the contacts of the high water level control switch are connected with a temperature control switch of the electric temperature controller in series, and the other ends thereof are in a series connection in a power circuit of the water inlet solenoid valve; and the low water level control switch is connected with an electric part of the electric temperature controller in series. The full-automatic health energy-saving boiling water machine has the advantages of high water yield, convenient use, significant energy conservation, being favorable for health of people, and being capable of providing health boiling water without double heating anytime.
Description
Technical field:
The present invention relates to a kind of daily-use electrical appliance, specifically be meant a kind of full-automatic health energy-saving boiling water machine that healthy drinking water can be provided at any time.
Technical background:
Water dispenser is to use electric equipment products extremely widely in people's daily life, it brings a lot of convenience to people's life, but traditional water dispenser has a lot of shortcomings at technical elements: as drinking water is the cold water that heat goes out that advances, Jia Re thousand boiling water again and again, hot pot bottom water inlet top goes out, and sediment incrustation is very serious year in year out in jar; Scurry the temperature effect ubiquity, these shortcomings are not only wasted electric energy, and healthy harmful to people.
The water dispenser of new generation of Tui Chuing has existing pattern of fever two big classes in pipeline quick-heating type and jar (cup) in the market.The water dispenser of pipeline quick-heating type, it is slow to go out water speed, water yield is little, the water temperature instability, every use once, the surplus hot water wastes entirely in the pipeline, the waste electric energy big, use this water dispenser, major part is to drink the hot water of post bake in fact.Pipeline quick-heating type drinking machine power is big, and consumed power is a lot of moving frequent, and the electrical equipment easily worn part is many.Existing heating type drinking machine or the each use of electric kettle all will be waited in the jar (cup), want to make tea and entertain several guests, " half a day " must not come out by several cups of tea, and the arrangement of the water yield is many sometimes, sometimes few, use the water dispenser of this semi-automatic design or electric kettle sensation inconvenient.Existing heating type drinking machine or electric kettle power are big in jar (cup) because the installation of the length of electrothermal tube and thermostat is subjected to jar, the restriction of cup, kettle spatial design, service life weak point.
There is long tea culture in our country, it is the production and marketing big country of world's tea, the custom that people are keeping having tea always and receiving guests with tea, and make tea water quality and water temperature there is very high requirement, but there is not a kind of health, quick, energy-conservation, convenient and can provide the water dispenser of boiling water to satisfy people's needs at any time for many years on the market, the quality of life that is unfavorable for passing on outstanding tea culture and improves people, therefore a kind of full-automatic water dispenser that healthy boiling water can be provided at any time of necessary invention.
Summary of the invention:
Technical problem to be solved by this invention is: thoroughly overcome the shortcoming that above-mentioned prior art exists, and provide that a kind of water yield is big, easy to use, obvious energy conservation, favourable people be healthy, and the not full-automatic health energy-saving boiling water machine of the healthy boiling water of post bake can be provided at any time.
One of technical problem to be solved by this invention is: can only utilize a tubule that is communicated with in the vacuum heat-preserving jar, control high water level and low water level reliably.When water level in the jar during to high water level, water intaking valve is closed, heat and no longer heat resintering to boiling, water intaking valve is not still opened when being lower than high water level after spending some boiling water, has only when using boiling water to low water level, water intaking valve is just opened, automatically water inlet again after cleaning, but water level rises when covering low water level, and water intaking valve is not closed, when having only to high water level, water intaking valve just can be closed.This design just can realize one jar of boiling water of heating, and vacuum heat-preserving is standby, and the heating of avoiding again and again switching on produces harmful substance, becomes thousand boiling water that damage health of people.Must use up first jar of boiling water, could intake again, heat second jar of boiling water, standby.
Two of technical problem to be solved by this invention is: after the water boiling, and thermostat control outage, resintering no longer, but can heat automatically again after reentering fresh cold water.
Three of technical problem to be solved by this invention is: guarantee the boiling of water, because under different atmospheric pressure, no matter the boiling temperature difference of water is the area at height above sea level, still all wants to guarantee just to cut off the power supply after the water boiling in the low ebb area.
Four of technical problem to be solved by this invention is: realize daily automatic cleaning function, guarantee the boiling water health.
The technical solution used in the present invention is: this full-automatic health energy-saving boiling water machine, comprise vacuum heat-preserving jar, electrothermal tube, water inlet pipe, dewatering outlet, discharging valve, electrothermal tube is installed in the vacuum heat-preserving jar, water inlet pipe one end puts in the vacuum heat-preserving jar, and dewatering outlet, discharging valve are installed in the vacuum heat-preserving pot bottom; Feature of the present invention is: steam pipe, electronic thermostat, entering water electromagnetic valve, high water level gauge tap, low water level gauge tap also are installed; Entering water electromagnetic valve is installed on the inlet pipeline; Steam pipe one end puts in top of chamber in the vacuum heat-preserving jar, and the other end is installed electronic thermostat towards upper shed on the steam pipework; High water level gauge tap and low water level gauge tap all pass through to be communicated with arm and are communicated with water route, vacuum heat-preserving jar inner chamber bottom; One group of contact of high water level gauge tap connects control electrothermal tube power break-make or connects electrothermal tube power break-make relay; Another group contact one end of high water level gauge tap electronic thermostat temperature detect switch (TDS) of connecting, the other end is connected in the entering water electromagnetic valve electric power loop; The low water level gauge tap is then connected with the electronic part of electronic thermostat.
In the technique scheme, electronic thermostat is a kind of novel thermostat by thermostat and electromagnet or the motor linkage combination that do not reset.The thermostat that do not reset is the prior art product that is widely used in electric kettle, as model KSD301 type CQC, the T125 TM-XG-3 type CQC thermostat that do not reset.Its performance is to reach when setting value outage when temperature, and when temperature drops in any case, the energising that also no longer automatically resets has only and manually presses knob, and its contact just closure switches on.To not reset temperature controller and motor drive mechanism of the present invention combine the electric thermostat of composition, both solved the shortcoming that water dispenser heating technique is in the past heated repeatedly to water, can realize again heating automatically.
In the technique scheme, the gas-water separation box is installed also on the pipeline of steam pipe, the bottom of gas-water separation box is connected with down drainpipe.
In the technique scheme, at the vacuum heat-preserving pot bottom drainpipe is installed also, the time-delay drain solenoid valve is installed on the drainpipe pipeline, and the time-delay drain solenoid valve connects the contact of low water level gauge tap, and controlled by the low water level gauge tap.
In the technique scheme, also install one than the higher not homing position type thermostat of electronic thermostat control temperature in steam pipework, homing position type thermostat temperature detect switch (TDS) is not connected with electronic thermostat temperature detect switch (TDS).
In the technique scheme; install one again and control the protection level control switch for water that more high water level is higher; the protection level control switch for water is communicated with water level in the vacuum heat-preserving jar by water pipe equally, and protection level control switch for water contact is serially connected in the loop of electronic thermostat temperature detect switch (TDS) and entering water electromagnetic valve.
In the technique scheme, a middle water level gauge tap can be installed also, same, the middle water level gauge tap is communicated with water level in the vacuum heat-preserving jar by water pipe, and the middle water level gauge tap is connected by change-over switch and the selection of high and low level control switch for water.
The present invention has solved reliably to boiling water resintering not, and new water inlet is heated again and high water level and low water level are controlled the key technology difficult problem that this is restricting the water dispenser of " healthy boiling water automatically is provided " in decades always automatically.A lot of scientific and technical personnel are exploring.In patent documentation, a lot of technical schemes have successfully been controlled high water level and low water level in theory, as 200810027973.9, as 200720063590.8 etc., they are that the signal that utilizes the conductive characteristic of high, medium and low level sensor or water to send is connected with the analog or digital circuit that single-chip microcomputer, micro computer are formed, but all there are the phenomenon that crashes once in a while in single-chip microcomputer, micro computer etc., as daily computer washing machine, DVD, electromagnetic oven, mobile phone etc., deadlock phenomenon or program entanglement are all arranged once in a while, but multiplexing more again good behind the disconnected power down source.If but be used for water dispenser control high water level and low water level, when the program entanglement, or " water overflow Kingsoft " one-tenth floods, or the electrothermal piece dry combustion method is to ruining.
The present invention is a kind of method of pure machinery, in conjunction with simple circuit, controls the high water level and the low water level of drinking machine heating tank accurately and reliably.Even certain part has been broken, also guarantee can not occur " water overflow Kingsoft " or floods and dry combustion method to ruining.
The present invention compared with prior art has following outstanding substantive distinguishing features and significant effect:
One, full-automatic health energy-saving boiling water machine adopts heating and insulation in the vacuum water pot, and is very energy-conservation.
Two, because the present invention adopts electrical components and homing position type thermostat not to be combined into electronic thermostat, and be installed on the steam pipework, can guarantee that each jar that heats all is boiling water, and post bake never, healthy reliable.
Three, because the present invention adopts the vacuum water tank storage to be equipped with boiling water method, so boiling water can be provided at any time, the many speed of amount are fast.
Four, because the present invention's design has daily automatic cleaning function, use boiling water the end of to, all can clean automatically at every turn, convenient and healthy, save time and save trouble.
Five, traditional design all is water level switch control water inlet, temperature control switch control heating.The present invention has adopted low-water level switch control thermostat, thermostat and water inlet of high water level switch series joint control system and heating, and do not adopt single-chip microcomputer, micro computer integrated circuit, and do not crash and program entanglement phenomenon, full-automatic periodic duty, performance is very reliable.
Six, temperature control part and water level control section have all designed defencive function, no matter any damage parts lost efficacy, can " water overflow Kingsoft " not become floods and " dry combustion method is to ruining ".The part that only needs to change certain damage can use.The life of whole full-automatic health energy-saving boiling water machine use is long.
Description of drawings:
Fig. 1 is a structural representation of the present invention
Fig. 2 is circuit theory diagrams of the present invention
The accompanying drawing marking explanation:
1---the vacuum heat-preserving jar; 2---steam pipe; 3---water inlet pipe;
4---discharge outlet; 5---bottom; 6---electronic thermostat;
7---the gas-water separation box; 8---entering water electromagnetic valve; 9---following drainpipe;
10---high-water line; 11---the high water level gauge tap;
12---be communicated with arm; 13---electrothermal tube; 14---emit the mouth of a river;
15---the low water level gauge tap; 16---low water line; 17---discharging valve;
18---drainpipe; 19---the time-delay drain solenoid valve; 20---relay.
The specific embodiment:
The technical solution used in the present invention is: comprise vacuum heat-preserving water pot 1, electrothermal tube 13, water inlet pipe 3, drainpipe 18, be communicated with arm 12, steam pipe 2 and Circuits System.Vacuum heat-preserving jar 1 adopts upside down, opening down, steam pipe 2, water inlet pipe 3, drainpipe 18, electrothermal tube 13, dewatering outlet 14, its middle steam tube 2 are housed on the bottom 5 are installed on jar interiorly, pass outside bottom 5 is connected to, be communicated with gas-water separation box 7 again from the top closer locations.Gas-water separation box 7 connects outside the logical casing of steam pipe up, connects down drainpipe 9 down and is connected with drainpipe 18.Electronic thermostat 6 is housed in steam pipework.Entering water electromagnetic valve 8 is housed in the inlet pipeline.Time-delay drain solenoid valve 19 is housed in the drainpipe 18 tunnel, time-delay drain solenoid valve 19 is connected with steam pipe 2 tops to connecting arm 12 between the bottom 5, wherein above being communicated with arm 12, divide smaller branch pipe to be communicated with high water level gauge tap 11, the below divides smaller branch pipe to be communicated with low water level gauge tap 15, and dewatering outlet 14 is communicated with discharging valve 17.Circuits System includes high and low level control switch for water 11,15, electronic thermostat 6, entering water electromagnetic valve 8, time-delay drain solenoid valve 19, relay 20, electrothermal tube 13.
Above-mentioned electronic thermostat 6 is a kind of novel temperature control products that are connected to form by a kind of do not reset thermostat product and electromagnet or motor.The thermostat that do not reset is a kind of prior art temperature control product that is widely used in electric kettle, and its performance is outage when temperature reaches setting value, and when temperature drops to any situation, the energising that also no longer resets has only manually to press the button, its just closing of contact switch on.Thermostat and the electronic part of the not resetting composition electric thermostat that combines had both solved the shortcoming that water is heated repeatedly, can realize again heating automatically.
Above-mentioned electronic thermostat is installed in the steam pipework, the foregoing circuit system includes high water level gauge tap 11, low water level gauge tap 15, electronic thermostat 6, entering water electromagnetic valve 8, time-delay drain solenoid valve 19, relay 20, electrothermal tube 13, wherein electronic partial circuit series connection, low water level gauge tap 15 and the series connection of time-delay draining valve 19 circuit of low water level gauge tap 15 and electronic thermostat 6.The temperature control part contact of electronic thermostat 6 is through one group of contact of high water level gauge tap and entering water electromagnetic valve series connection.Another group contact of high water level gauge tap is connected with relay or electrothermal tube.
The present invention further improves water inlet defencive function automatically again: prevent high water level gauge tap 11 permanent ageing failures in the foregoing circuit, appearance " water overflow Kingsoft " accident.In the position that high water level gauge tap 11 is installed; use the same method and install one again than the higher protection level control switch for water that shields of its control water level; protection level control switch for water normally closed interlock is connected between thermostat 6 and the entering water electromagnetic valve, and normally open contact can connect fault and show.
The present invention further improves the anti-dry function again: the high water level gauge tap 11 in the circuit of the present invention has possessed the anti-dry function.When electronic thermostat lost efficacy, " seethe with excitement incessantly " in the vacuum heat-preserving jar, water constantly evaporates minimizing, and when water level was lower than high water level gauge tap 11, the contact that is in the control heating then can disconnect, the anti-burning that terminates in.To prevent " boiling is more than " in order further designing again, in steam pipework, to install one again, play the safeguard protection effect than the higher thermostat that do not reset of electronic thermostat control temperature.As 80 ℃ of electronic thermostats, 90 ℃ of the thermostats of not resetting are connected the circuit of two thermostats.After the water boiling, steam discharges through steam pipe, and temperature is constantly to two thermostat transmission, and electronic thermostat is understood first deenergization, and electrothermal tube stops heating.When the electronic part of electronic thermostat receive again the control electric current produce electronic after, closure is just understood in electronic thermostat contact makes the electrothermal tube heating.If electronic thermostat damages, temperature can constantly rise in the steam pipe, and another thermostat contact that do not reset disconnects, and electrothermal tube stops heating, and normally opened contact can connect fault and show.
Owing to adopt the series connection of the electronic thermostat and the thermostat circuit that do not reset, be installed in the steam pipework, detect vapor (steam) temperature, both can guarantee under the different atmospheric pressure that the water in the vacuum tank all was the boiling outage, has played safeguard protection very reliably again.
The present invention further improves function of use again: solve when the outrunner uses boiling water after, water level just in time on low water line 16 little by little, be in critical condition, and the shortcoming that does not have boiling water to lay in to the people who uses later.Increase a middle water level gauge tap is installed, control keeps the waterline of 250ml water approximately.On control panel, increase again a manual gear change-over switch is installed.When stirring downwards, then disconnect middle water level gauge tap control circuit, connection low-water level switch control circuit enters and uses up the automatic cleaning procedure of boiling water, when stirring upwards, then disconnect low water level gauge tap control circuit, be communicated with middle water level gauge tap control circuit, can design to enter and stay water to report to the police, cleaning procedure is exempted from the time-delay water inlet.As adopt single jar of design, whenever after using up one jar, having a few minutes can not provide boiling water for the standby time of heating up water again, but as adopt two jars of designs, the left side has been used up for one jar, just use the right jar, having used up of the right, can boiling again of the left side is stand-by, about alternately, endless boiling water can be realized providing at any time, the demand of meeting room can be realized healthy boiling water.
Embodiment:
Referring to 1, Fig. 2, at first water inlet pipe 3 is connected water sources, anhydrous in this moment vacuum heat-preserving jar 1, low water level gauge tap 15 is in closure state.The opening power master switch, electric current makes the thermostat closing of contact through low water level gauge tap 15, conducting time-delay drain solenoid valve 19, also electronic thermostat 6 work of conducting simultaneously.Power supply through thermostat 6, through one group of normally closed interlock conducting entering water electromagnetic valve 8 of high water level gauge tap 11 open, the water source through the low amounts of water that entering water electromagnetic valve 8 in water inlet pipe 3 injects vacuum heat-preserving jars 1, at first injects again clean bottom after, outwards flow out to the underpart waste water tank through drainpipe 18 time-delay drain solenoid valves 19, time-delay drain solenoid valve 19 is closed automatically after about 5 seconds, and water level constantly rises in the vacuum heat-preserving jar.When water level raise above low water line 16, low water level gauge tap normally-closed contact disconnected, and time-delay drain solenoid valve 19, electronic thermostat 6 all return to original state because of outage.Upspring for later thermostat and to get ready.The water level rising that keeps, when water level rose to maximum water level 10, normally closed group of contact of high water level gauge tap 11 disconnected, and entering water electromagnetic valve 8 is closed, and often opens the group contact closure, turn-on relay 20 work, electrothermal tube 13 enters the duty of heating.Temperature constantly rises, and when water seethed with excitement, steam discharged through steam pipe 2, is installed on the electronic thermostat 6 on the steam pipework, thereby disconnected by the temperature contact, and button is upspring.Relay 20, electrothermal tube 13 all quit work, and boiling water is preserved stand-by at the vacuum heat-preserving jar.When being reduced to high-water line 10 under using boiling water, high water level gauge tap 11 resets to original state, is communicated with entering water electromagnetic valve 8, with the thermostat partial circuit of electronic thermostat 6.But because of the electronic thermostat in the series circuit 6 disconnects and can not work.When water constantly dropped to low water line 16, low water level gauge tap 15 closings of contact repeated said process.
Claims (7)
1. full-automatic health energy-saving boiling water machine, it is characterized in that: comprise vacuum heat-preserving jar, electrothermal tube, water inlet pipe, dewatering outlet, discharging valve, electrothermal tube is installed in the vacuum heat-preserving jar, and water inlet pipe one end puts in the vacuum heat-preserving jar, and dewatering outlet, discharging valve are installed in the vacuum heat-preserving pot bottom; Feature of the present invention is: steam pipe, electronic thermostat, entering water electromagnetic valve, high water level gauge tap, low water level gauge tap also are installed; Entering water electromagnetic valve is installed on the inlet pipeline; Steam pipe one end puts in top of chamber in the vacuum heat-preserving jar, and the other end is installed electronic thermostat towards upper shed on the steam pipework; High water level gauge tap and low water level gauge tap all pass through to be communicated with arm and are communicated with water route, vacuum heat-preserving jar inner chamber bottom; One group of contact of high water level gauge tap connects control electrothermal tube power break-make or connects electrothermal tube power break-make relay; Another group contact one end of high water level gauge tap electronic thermostat temperature detect switch (TDS) of connecting, the other end is connected in the entering water electromagnetic valve electric power loop; The low water level gauge tap is then connected with the electronic part of electronic thermostat.
2. full-automatic health energy-saving boiling water machine according to claim 1 is characterized in that: electronic thermostat is a kind of novel thermostat by thermostat and electromagnet or the motor linkage combination that do not reset.
3. full-automatic health energy-saving boiling water machine according to claim 1, it is characterized in that: the gas-water separation box also is installed on the pipeline of steam pipe, and the bottom of gas-water separation box is connected with down drainpipe.
4. full-automatic health energy-saving boiling water machine according to claim 1, it is characterized in that: drainpipe also is installed at the vacuum heat-preserving pot bottom, the time-delay drain solenoid valve is installed on the drainpipe pipeline, the time-delay drain solenoid valve connects the contact of low water level gauge tap, and controlled by the low water level gauge tap.
5. full-automatic health energy-saving boiling water machine according to claim 1, it is characterized in that: also install one than the higher not homing position type thermostat of electronic thermostat control temperature in steam pipework, homing position type thermostat temperature detect switch (TDS) is not connected with electronic thermostat temperature detect switch (TDS).
6. full-automatic health energy-saving boiling water machine according to claim 1; it is characterized in that: install one again and control the protection level control switch for water that more high water level is higher; the protection level control switch for water is communicated with water level in the vacuum heat-preserving jar by water pipe equally, and protection level control switch for water contact is serially connected in the loop of electronic thermostat temperature detect switch (TDS) and entering water electromagnetic valve.
7. full-automatic health energy-saving boiling water machine according to claim 1, it is characterized in that: a middle water level gauge tap also is installed, equally, the middle water level gauge tap is communicated with water level in the vacuum heat-preserving jar by water pipe, and the middle water level gauge tap is selected to be connected by change-over switch and high and low level control switch for water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201010141428XA CN101947068B (en) | 2010-04-08 | 2010-04-08 | Full-automatic boiling water machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010141428XA CN101947068B (en) | 2010-04-08 | 2010-04-08 | Full-automatic boiling water machine |
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| Publication Number | Publication Date |
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| CN101947068A true CN101947068A (en) | 2011-01-19 |
| CN101947068B CN101947068B (en) | 2012-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201010141428XA Expired - Fee Related CN101947068B (en) | 2010-04-08 | 2010-04-08 | Full-automatic boiling water machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102783915A (en) * | 2012-08-20 | 2012-11-21 | 厦门鼎荣电器制造有限公司 | Intelligent water dispenser |
| CN112890584A (en) * | 2021-02-24 | 2021-06-04 | 王贵珍 | Temperature control switch of thermos |
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| US5901634A (en) * | 1998-09-04 | 1999-05-11 | Bloomfield Industries Canada Ltd. | Beverage brewing apparatus |
| CN201048850Y (en) * | 2007-06-19 | 2008-04-23 | 谢玉胜 | Novel intelligent water drinking machine |
| CN201131637Y (en) * | 2007-12-30 | 2008-10-15 | 黄樟焱 | Energy-saving water-drinking machine |
| CN201243964Y (en) * | 2008-08-20 | 2009-05-27 | 李兆伟 | Overflow-proof controller of directly drinking machine |
| CN201790583U (en) * | 2010-04-08 | 2011-04-13 | 周波 | Automatic healthy energy-saving drinking water boiling device |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09192020A (en) * | 1996-01-22 | 1997-07-29 | Matsushita Electric Ind Co Ltd | Automatic tea supplier |
| US5901634A (en) * | 1998-09-04 | 1999-05-11 | Bloomfield Industries Canada Ltd. | Beverage brewing apparatus |
| CN201048850Y (en) * | 2007-06-19 | 2008-04-23 | 谢玉胜 | Novel intelligent water drinking machine |
| CN201131637Y (en) * | 2007-12-30 | 2008-10-15 | 黄樟焱 | Energy-saving water-drinking machine |
| CN201243964Y (en) * | 2008-08-20 | 2009-05-27 | 李兆伟 | Overflow-proof controller of directly drinking machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102783915A (en) * | 2012-08-20 | 2012-11-21 | 厦门鼎荣电器制造有限公司 | Intelligent water dispenser |
| CN102783915B (en) * | 2012-08-20 | 2015-02-25 | 厦门鼎荣电器制造有限公司 | Intelligent water dispenser |
| CN112890584A (en) * | 2021-02-24 | 2021-06-04 | 王贵珍 | Temperature control switch of thermos |
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|---|---|
| CN101947068B (en) | 2012-09-19 |
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Granted publication date: 20120919 Termination date: 20130408 |