CN103211499A - Automatic perfusion water dispenser and method for controlling automatic perfusion - Google Patents
Automatic perfusion water dispenser and method for controlling automatic perfusion Download PDFInfo
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- CN103211499A CN103211499A CN2013101304550A CN201310130455A CN103211499A CN 103211499 A CN103211499 A CN 103211499A CN 2013101304550 A CN2013101304550 A CN 2013101304550A CN 201310130455 A CN201310130455 A CN 201310130455A CN 103211499 A CN103211499 A CN 103211499A
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Abstract
The invention discloses an automatic perfusion water dispenser and a method for controlling automatic perfusion, and provides a water dispenser which is convenient to use and capable of being suitable for various water cups with indefinite volumes and the method for controlling automatic perfusion. An automatic perfusion control component of the water dispenser comprises a hot-water end electromagnetic valve which is connected with a hot-water outlet of a hot-water preparation device, a cold-water end electromagnetic valve which is arranged on a cold-water pipe in an engine base, a stepper motor, a lead screw, a slide block, an ultrasonic sensor which is used for detecting the height of a water cup, a fiber optic sensor for detecting a water level and an automatic perfusion controller, wherein after being connected in parallel, the water outlet end of the hot-water end electromagnetic valve and the water outlet end of the cold-water end electromagnetic valve are connected with a water outlet connection pipe; an output shaft of the stepper motor is provided with the lead screw; the lead screw is connected with the slide block through screw threads; the slide block is provided with the fiber optic sensor; the ultrasonic sensor is arranged in a water cup placement groove at the front end of the engine base; and the automatic perfusion controller is connected with the ultrasonic sensor, the fiber optic sensor, the stepper motor, the cold-water end electromagnetic valve and the hot-water end electromagnetic valve respectively.
Description
Technical field
The present invention relates to the water dispenser technical field, particularly relate to a kind of automatic filling intelligent drinking machine and automatic filling control method.
Background technology
Water dispenser can in time be got the cold/hot water of drinking owing to it and be used widely.
At present, water dispenser mostly adopts manually control, during water intaking, needs the people for opening the water receiving switch, waits water to be filled into behind the certain altitude people for closing the water receiving switch again.This occupation mode is owing to need the user to bend over personally to wait for that water fills before water dispenser, and is very inconvenient, and, when heat-obtaining water, because of boiling water spills the person is damaged easily, there is potential safety hazard.For this reason, the Based Intelligent Control of water dispenser water perfusion becomes the research direction of water dispenser production field.
At present, some water dispenser also has the drinking-water of constant volume towards dispensing device, and promptly regulation cooperates the fixing water tumbler of certain volume to use, and the container of inner constant volume of water dispenser is quantitative automatic fills it.This water dispenser can only be finished perfusion at the water tumbler of fixed size and dash notes, can't finish the task that the water tumbler full irrigation that all size differs, volume is indefinite is annotated automatically, and its application is restricted.The patent No. is that 2011202191217 invention and created name discloses a kind of automatic filling water dispenser in the patent documentation of " Based Intelligent Control automatic filling water dispenser ", but because its complex structure, it is big to implement difficulty.
Summary of the invention
The objective of the invention is at the technological deficiency that exists in the prior art, and provide a kind of easy to use, can be applicable to the automatic filling intelligent drinking machine of the indefinite water tumbler of various volumes.
Another object of the present invention provides a kind of control method of automatic filling.
For realizing that the technical scheme that purpose of the present invention adopts is:
A kind of automatic filling intelligent drinking machine, comprise support, the hot water preparation device, described support front end is provided with water tumbler and places groove, it is characterized in that, also comprise the automatic filling Control Component, described automatic filling Control Component comprises the hot water end magnetic valve that is connected with the hot water outlet of described hot water preparation device, be installed on the cold water end magnetic valve on the described support inner cold water pipe, stepper motor, leading screw, slide block, be used to detect the ultrasonic sensor of water tumbler height, the Fibre Optical Sensor that is used for sensed water level, the automatic filling controller, be connected with the water outlet adapter after the water side parallel connection of described hot water end magnetic valve and cold water end magnetic valve, described stepper motor is installed on the water tumbler of described support front end and places in the groove, described leading screw is installed on the output shaft of described stepper motor, described leading screw is threaded with described slide block, described Fibre Optical Sensor is installed on the described slide block, and the water tumbler of described support front end is placed in the groove described ultrasonic sensor is installed; The spacing track of described slide block and straight line is slidingly connected, and described automatic filling controller is connected with described ultrasonic sensor, Fibre Optical Sensor, stepper motor, cold water end magnetic valve, hot water end magnetic valve respectively; Described support front end is provided with control button.
Described control button comprises cold water button, hot water button, warm water button and stop button.
Described support front end is provided with insulation indicator lamp and burner on light.
Described Fibre Optical Sensor is fixing range sensors.
A kind of control method of water dispenser automatic filling comprises the steps:
State when (1) distance on the water surface and cup edge is X in the setting water tumbler is that water tumbler is filled with;
(2) height of the initial position of setting Fibre Optical Sensor on the described slide block at the bottom of apart from cup is H, and the range of described Fibre Optical Sensor is designated as P, satisfies P〉X; The initial position of described Fibre Optical Sensor apart from the height on cup edge greater than P-X;
(3) water tumbler is placed on water outlet and takes over the bottom, and choosing is by the control corresponding button;
(4) existence of ultrasonic sensor perception water tumbler, and obtain water tumbler altitude information information and deliver to described automatic filling controller, described automatic filling controller is connected corresponding solenoid valve according to user's selection, and the water during water outlet is taken over flows in the water tumbler; Described water tumbler height is designated as Y;
(5) to be changed to the distance that described Fibre Optical Sensor and water tumbler fill with between the water surface at water place be range P to the final position that descends of described Fibre Optical Sensor, described automatic filling controller is put the distance of calculating described Fibre Optical Sensor decline according to the initial position and the final position of Fibre Optical Sensor, and draw the rotating cycle of described stepper motor, drop to final position and put thereby control described slide block and Fibre Optical Sensor;
(6) in filling process, described automatic filling controller has judged whether that stop button is pressed and whether water tumbler is withdrawn from, if there is stop button to press, then the outage of automatic filling controller control respective electrical magnet valve stops water outlet; If there is not stop button to press, and do not have water tumbler to be withdrawn from, then keep the respective electrical magnet valve to connect, keep water state; If water tumbler is withdrawn from, then the outage of automatic filling controller control respective electrical magnet valve stops water outlet, and simultaneously, the automatic filling controller is controlled described stepper motor counter-rotating, and described Fibre Optical Sensor is got back to initial position;
(7) when the water surface rises to distance cup edge for the X place, the distance of the described Fibre Optical Sensor of water surface distance just in time reaches the range P of Fibre Optical Sensor this moment, described Fibre Optical Sensor has echo-signal to return and be received, deliver to described automatic filling controller simultaneously, the outage of described automatic filling controller control respective electrical magnet valve, water outlet is taken over and is stopped water outlet.
Compared with prior art, the invention has the beneficial effects as follows:
1, automatic filling water dispenser of the present invention adopts two kinds of sensors of various types combinations, and be equipped with auxiliary machinery and form the automatic filling Control Component, co-operating by the automatic filling Control Component, can finish all different water tumbler of various sizes and volume is carried out the operation of full irrigation notes, use safer, convenient.
2, automatic filling water dispenser of the present invention is simple in structure, realizes easily.
3, control method of the present invention is passed through the data of two sensor measurements, thereby the height that the revolution of control step motor control Fibre Optical Sensor descends can adapt to not isometric water tumbler, and control method is simple, and is easy to use.
4, method of the present invention can pressed under the situation that stop button or water tumbler promptly withdraw from, and interrupts the perfusion operation task automatically, and is safe in utilization, the reliability height.
Description of drawings
Figure 1 shows that the schematic diagram of automatic filling intelligent drinking machine of the present invention;
Fig. 2 is the partial enlarged drawing of automatic filling intelligent drinking machine of the present invention;
Fig. 3 is the schematic diagram of running part;
Fig. 4 is an internal water line structure schematic diagram;
Fig. 5 is control principle figure.
Among the figure: 1. bucket; 2. support; 3. indicator lamp panel; 4. control button; 5. water outlet is taken over; 6. stepper motor; 7. ultrasonic sensor; 8. Fibre Optical Sensor; 9. water tumbler is placed groove; 10. leading screw; 11. Fibre Optical Sensor support; 12. slide block; 13. rack screw; 14. hot-water line; 15. hot water preparation device; 16. hot water end magnetic valve; 17. three-way connection; 18. cold water end magnetic valve; 19. cold water pipe; The spacing track of 20 straight lines.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is described in further detail.
The schematic diagram of automatic filling water dispenser of the present invention such as Fig. 1-shown in Figure 5, comprise support 2, hot water preparation device 15, described support 2 front ends are provided with water tumbler and place groove 9.Also comprise the automatic filling Control Component, described automatic filling Control Component comprises the hot water end magnetic valve 16 that is connected with the hot water outlet of described hot water preparation device 15, be installed on the cold water end magnetic valve 18 on the described support 2 inner cold water pipes 19, stepper motor 6, leading screw 10, slide block 12, the spacing track 20 of straight line, be used to detect the ultrasonic sensor 7 of water tumbler height, the Fibre Optical Sensor 8 that is used for sensed water level, the automatic filling controller, the water side of described hot water end magnetic valve 16 and cold water end magnetic valve 18 is taken over 5 by three-way connection 17 backs in parallel with water outlet and is connected, described stepper motor 6 is installed on the water tumbler of described support front end and places in the groove 9, described leading screw 10 is installed on the output shaft of described stepper motor 6, described leading screw 10 is threaded with described slide block 12, the spacing track 20 of described slide block 10 rear portions and described straight line is slidingly connected, described Fibre Optical Sensor 8 is installed on the described slide block 10, mounting means is: Fibre Optical Sensor 8 is installed on the support 11, and support 11 is fixedlyed connected support by rack screw 13 with slide block 12.The water tumbler of described support front end is placed in the groove 9 described ultrasonic sensor 7 is installed.Described automatic filling controller is connected with described ultrasonic sensor 7, Fibre Optical Sensor 8, stepper motor 6, cold water end magnetic valve 18, hot water end magnetic valve 16 respectively.Described automatic filling controller can adopt single-chip microcomputer.Described support 2 front ends are provided with control button 4.
Wherein, described control button 4 comprises cold water button, hot water button, warm water button and stop button.
Described support front end is provided with insulation indicator lamp and burner on light 3.
Automatic filling control method of the present invention comprises the steps:
State when (1) distance on the water surface and cup edge is X in the setting water tumbler is that water tumbler is filled with;
(2) height of the initial position of setting Fibre Optical Sensor on the described slide block at the bottom of apart from cup is H, and the range of described Fibre Optical Sensor is designated as P, satisfies P〉X; The initial position of described Fibre Optical Sensor apart from the height on cup edge greater than P-X;
(3) water tumbler is placed on water outlet and takes over the bottom, and choosing is by the control corresponding button;
(4) existence of ultrasonic sensor perception water tumbler, and obtain water tumbler altitude information information and deliver to described automatic filling controller, described automatic filling controller is connected corresponding solenoid valve according to user's selection, and the water during water outlet is taken over flows in the water tumbler; Described water tumbler height is designated as Y;
(5) to be changed to the distance that described Fibre Optical Sensor and water tumbler fill with between the water surface at water place be range P to the final position that descends of described Fibre Optical Sensor, described automatic filling controller is put the distance of calculating described Fibre Optical Sensor decline according to the initial position and the final position of Fibre Optical Sensor, and draw the rotating cycle of described stepper motor, drop to final position and put thereby control described slide block and Fibre Optical Sensor.The distance that described Fibre Optical Sensor descends is H-(Y+P-X).
(6) in filling process, described automatic filling controller has judged whether that stop button is pressed and whether water tumbler is withdrawn from, if there is stop button to press, then the outage of automatic filling controller control respective electrical magnet valve stops water outlet; If there is not stop button to press, and do not have water tumbler to be withdrawn from, then keep the respective electrical magnet valve to connect, keep water state; If water tumbler is withdrawn from, then the outage of automatic filling controller control respective electrical magnet valve stops water outlet, and simultaneously, the automatic filling controller is controlled described stepper motor counter-rotating, and described Fibre Optical Sensor is got back to initial position.
(7) when the water surface rises to distance cup edge for the X place, the distance of the described Fibre Optical Sensor of water surface distance just in time reaches the range P of Fibre Optical Sensor this moment, described Fibre Optical Sensor has echo-signal to return and be received, deliver to described automatic filling controller simultaneously, the outage of described automatic filling controller control respective electrical magnet valve, water outlet is taken over and is stopped water outlet.
During use, bucket 1 is put on the support 2 of water dispenser.Water enters in the hot water preparation device 15 and heats.
The artificial specific range of setting the water surface and cup edge is X in the automatic filling controller in advance, thinks that promptly state when the distance on the water surface and cup edge is X is for completely adorning state.When the user takes drinking water, need not to judge the size and the volume of water tumbler, only water tumbler is positioned over water outlet and takes over 5 below, and press cold/heat/warm water button according to the requirement choosing of oneself, the information of selected button sends the automatic filling controller to.Described ultrasonic sensor 7 is sensed the existence of water tumbler and information is delivered to the automatic filling controller as occupancy sensor on the one hand, the automatic filling controller is judged according to user-selected button after only receiving control button and two signals of ultrasonic sensor again.If what press is hot water button, then control hot water end magnetic valve and open, the hot water in the hot water preparation device 15 enters water outlet by hot-water line 14, hot water end magnetic valve 16 and takes over 5, for water tumbler towards hot-water flooding.If what press is cold water button, then control cold water end magnetic valve and open, cold water enters water outlet by cold water pipe 19, cold water end magnetic valve 18 and takes over 5, for water tumbler towards cold water injection.If what press is the warm water button, then control hot water end magnetic valve 16 and cold water end magnetic valve 18 is opened simultaneously, cold water with enter water outlet after hot water mixes by three-way connection 17 and take over 5, annotate warm water for water tumbler dashes.If the user only presses control button, water tumbler is not placed on water outlet adapter place, ultrasonic sensor does not have the occupy-place signal to send to the automatic filling controller, and the automatic filling controller is only received a signal, then can not control any one magnetic valve and open, water outlet takes over 5 will can water outlet.Ultrasonic sensor 7 utilizes the range finder module of self to detect the height of water tumbler on the other hand, obtain the high data of cup after the data message that cup is high be sent to the automatic filling controller.
Because described leading screw 10 has definite pitch and step angle, the automatic filling controller can be controlled the number of turns of described stepper motor 6 operations, therefore just can make the Fibre Optical Sensor 8 that is connected with slide block 12 on the leading screw can drop to the position of needs along described leading screw 10 by the automatic filling controller.Setting measured cup in the present embodiment high is Y, the range of described Fibre Optical Sensor is P, described Fibre Optical Sensor 8 is adjustable quantitative journey sensor, promptly when the probe of water surface distance Fibre Optical Sensor during greater than P, sensor only sends signal, no echo-signal receives, when the probe of water surface distance Fibre Optical Sensor during smaller or equal to P, just having echo-signal returns, and send received signal to the automatic filling controller, so after the automatic filling controller receives the water tumbler altitude information, then can be through described stepper motor 6 being rotated and controlling its number of turn-taking, make described Fibre Optical Sensor 8 drop to water tumbler in the distance of the water surface be the position of range P.Along with continuous water outlet is taken in water outlet, the water surface in the cup constantly rises, when the water surface rise to the cup edge distance be the X place, it is the so-called state of filling, at this moment, the distance of the probe of the water surface and Fibre Optical Sensor 8 just in time is the range P of Fibre Optical Sensor, Fibre Optical Sensor 8 will have echo-signal to return and be received, after the automatic filling controller is received this signal, make the magnetic valve outage of having switched on immediately, magnetic valve promptly is in closed condition, and water outlet is taken over 5 and stopped water outlet, and the water tumbler that the user will completely adorn is taken the back away because described ultrasonic sensor 7 can't detect water tumbler occupy-place information, so can't send occupy-place signal and the high signal of cup to the automatic filling controller, the automatic filling controller is controlled described stepper motor 6 counter-rotatings, and described Fibre Optical Sensor 8 is got back to initial position, and whole system is in original state.
Water dispenser is in use if the situation that the user forces to withdraw from water tumbler occurs, ultrasonic sensor 7 can't send occupy-place signal and the high signal of cup to the automatic filling controller, so the automatic filling controller makes the magnetic valve outage of switching at once, water outlet is taken over and is stopped water outlet; If the user only need access half cup water, can in filling process, the people stop key for pressing, with the artificial forced interruption of water receiving process, system restPoses at once.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. automatic filling intelligent drinking machine, comprise support, the hot water preparation device, described support front end is provided with water tumbler and places groove, it is characterized in that, also comprise the automatic filling Control Component, described automatic filling Control Component comprises the hot water end magnetic valve that is connected with the hot water outlet of described hot water preparation device, be installed on the cold water end magnetic valve on the described support inner cold water pipe, stepper motor, leading screw, slide block, be used to detect the ultrasonic sensor of water tumbler height, the Fibre Optical Sensor that is used for sensed water level, the automatic filling controller, be connected with the water outlet adapter after the water side parallel connection of described hot water end magnetic valve and cold water end magnetic valve, described stepper motor is installed on the water tumbler of described support front end and places in the groove, described leading screw is installed on the output shaft of described stepper motor, described leading screw is threaded with described slide block, described Fibre Optical Sensor is installed on the described slide block, and the water tumbler of described support front end is placed in the groove described ultrasonic sensor is installed; The spacing track of described slide block and straight line is slidingly connected, and described automatic filling controller is connected with described ultrasonic sensor, Fibre Optical Sensor, stepper motor, cold water end magnetic valve, hot water end magnetic valve respectively; Described support front end is provided with control button.
2. automatic filling intelligent drinking machine according to claim 1 is characterized in that, described control button comprises cold water button, hot water button, warm water button and stop button.
3. automatic filling intelligent drinking machine according to claim 1 and 2 is characterized in that, described support front end is provided with insulation indicator lamp and burner on light.
4. automatic filling intelligent drinking machine according to claim 1 and 2 is characterized in that, described Fibre Optical Sensor is fixing range sensors.
5. the control method of the described water dispenser automatic filling of claim 1 is characterized in that, comprises the steps:
State when (1) distance on the water surface and cup edge is X in the setting water tumbler is that water tumbler is filled with;
(2) height of the initial position of setting Fibre Optical Sensor on the described slide block at the bottom of apart from cup is H, and the range of described Fibre Optical Sensor is designated as P, satisfies P〉X; The initial position of described Fibre Optical Sensor apart from the height on cup edge greater than P-X;
(3) water tumbler is placed on water outlet and takes over the bottom, and choosing is by the control corresponding button;
(4) existence of ultrasonic sensor perception water tumbler, and obtain water tumbler altitude information information and deliver to described automatic filling controller, described automatic filling controller is connected corresponding solenoid valve according to user's selection, and the water during water outlet is taken over flows in the water tumbler; Described water tumbler height is designated as Y;
(5) to be changed to the distance that described Fibre Optical Sensor and water tumbler fill with between the water surface at water place be range P to the final position that descends of described Fibre Optical Sensor, described automatic filling controller is put the distance of calculating described Fibre Optical Sensor decline according to the initial position and the final position of Fibre Optical Sensor, and draw the rotating cycle of described stepper motor, drop to final position and put thereby control described slide block and Fibre Optical Sensor;
(6) in filling process, described automatic filling controller has judged whether that stop button is pressed and whether water tumbler is withdrawn from, if there is stop button to press, then the outage of automatic filling controller control respective electrical magnet valve stops water outlet; If there is not stop button to press, and do not have water tumbler to be withdrawn from, then keep the respective electrical magnet valve to connect, keep water state; If water tumbler is withdrawn from, then the outage of automatic filling controller control respective electrical magnet valve stops water outlet, and simultaneously, the automatic filling controller is controlled described stepper motor counter-rotating, and described Fibre Optical Sensor is got back to initial position;
(7) when the water surface rises to distance cup edge for the X place, the distance of the described Fibre Optical Sensor of water surface distance just in time reaches the range P of Fibre Optical Sensor this moment, described Fibre Optical Sensor has echo-signal to return and be received, deliver to described automatic filling controller simultaneously, the outage of described automatic filling controller control respective electrical magnet valve, water outlet is taken over and is stopped water outlet.
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| CN201310130455.0A CN103211499B (en) | 2013-04-16 | 2013-04-16 | Automatic perfusion water dispenser and method for controlling automatic perfusion |
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| CN201310130455.0A CN103211499B (en) | 2013-04-16 | 2013-04-16 | Automatic perfusion water dispenser and method for controlling automatic perfusion |
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| CN103720366A (en) * | 2013-12-20 | 2014-04-16 | 北京联合大学生物化学工程学院 | Intelligent beverage dispenser |
| CN103948313A (en) * | 2014-04-11 | 2014-07-30 | 福建金源泉科技发展有限公司 | Intelligent water fountain |
| CN104083091A (en) * | 2014-07-16 | 2014-10-08 | 周博诚 | Automatic water dispenser |
| CN104757877A (en) * | 2015-04-30 | 2015-07-08 | 佛山市美的清湖净水设备有限公司 | Water dispenser and water outlet control method thereof |
| CN105662141A (en) * | 2016-03-30 | 2016-06-15 | 贵州大学 | Scald-preventing coffee machine |
| CN105902173A (en) * | 2015-12-15 | 2016-08-31 | 美的集团股份有限公司 | System and method for liquid discharge control of liquid supply device, and liquid supply device |
| CN107736803A (en) * | 2017-10-31 | 2018-02-27 | 珠海格力电器股份有限公司 | The control method and water dispenser of water dispenser |
| CN109410447A (en) * | 2018-12-31 | 2019-03-01 | 童超 | Cup tea Vending Machine |
| CN109924883A (en) * | 2019-04-08 | 2019-06-25 | 南华大学 | Water dispenser automatic outletting mechanism and method for yielding water |
| CN110326972A (en) * | 2019-06-14 | 2019-10-15 | 东南大学 | Water-holding cup suitable for insulating pot clamps alignment device and its control method automatically |
| CN110916507A (en) * | 2019-12-30 | 2020-03-27 | 安徽理工大学 | Automatic water dispenser based on ultrasonic transducer |
| CN112353246A (en) * | 2020-10-13 | 2021-02-12 | 安徽师范大学 | Water dispenser based on automatic control technology |
| CN112987806A (en) * | 2021-02-23 | 2021-06-18 | 佛山市顺德区美的饮水机制造有限公司 | Control method and device of water outlet equipment, water outlet equipment and readable storage medium |
| CN113040604A (en) * | 2021-03-22 | 2021-06-29 | 苏州丁冬电器有限公司 | Novel intelligent water dispenser with boiling water rapid cooling function |
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| CN105662141A (en) * | 2016-03-30 | 2016-06-15 | 贵州大学 | Scald-preventing coffee machine |
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| CN109410447A (en) * | 2018-12-31 | 2019-03-01 | 童超 | Cup tea Vending Machine |
| CN109924883A (en) * | 2019-04-08 | 2019-06-25 | 南华大学 | Water dispenser automatic outletting mechanism and method for yielding water |
| CN109924883B (en) * | 2019-04-08 | 2023-10-27 | 南华大学 | Automatic water outlet mechanism and water outlet method of water dispenser |
| CN110326972A (en) * | 2019-06-14 | 2019-10-15 | 东南大学 | Water-holding cup suitable for insulating pot clamps alignment device and its control method automatically |
| CN110326972B (en) * | 2019-06-14 | 2021-08-10 | 东南大学 | Automatic clamping and aligning device for water receiving cup of electric kettle and control method thereof |
| CN110916507A (en) * | 2019-12-30 | 2020-03-27 | 安徽理工大学 | Automatic water dispenser based on ultrasonic transducer |
| CN112353246A (en) * | 2020-10-13 | 2021-02-12 | 安徽师范大学 | Water dispenser based on automatic control technology |
| CN112987806A (en) * | 2021-02-23 | 2021-06-18 | 佛山市顺德区美的饮水机制造有限公司 | Control method and device of water outlet equipment, water outlet equipment and readable storage medium |
| CN112987806B (en) * | 2021-02-23 | 2023-12-12 | 佛山市顺德区美的饮水机制造有限公司 | Control method and device of water outlet equipment, water outlet equipment and readable storage medium |
| CN113040604A (en) * | 2021-03-22 | 2021-06-29 | 苏州丁冬电器有限公司 | Novel intelligent water dispenser with boiling water rapid cooling function |
| CN113040604B (en) * | 2021-03-22 | 2023-01-20 | 苏州丁冬电器有限公司 | Novel intelligent water dispenser with boiling water quick cooling function |
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| CN103211499B (en) | 2014-11-12 |
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