WO2015188679A1 - Electric kettle capable of monitoring water level - Google Patents
Electric kettle capable of monitoring water level Download PDFInfo
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- WO2015188679A1 WO2015188679A1 PCT/CN2015/079230 CN2015079230W WO2015188679A1 WO 2015188679 A1 WO2015188679 A1 WO 2015188679A1 CN 2015079230 W CN2015079230 W CN 2015079230W WO 2015188679 A1 WO2015188679 A1 WO 2015188679A1
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- microprocessor
- pressure sensor
- water level
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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
- A47J27/00—Cooking-vessels
- A47J27/21—Water-boiling vessels, e.g. kettles
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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
- A47J36/00—Parts, details or accessories of cooking-vessels
Definitions
- the invention relates to an electric kettle, in particular to an electric kettle capable of monitoring a water level.
- the object of the present invention is to overcome the above deficiencies of the prior art, and to provide an electric kettle capable of monitoring water level, which can monitor the water or water shortage of the electric kettle, thereby protecting the electric kettle and facilitating the user to perform water level on the electric kettle. Observe and realize more convenient and safe remote control.
- an electric kettle capable of monitoring water level comprising a base of an external power source, a pot body placed on the base, a heating element connected to the power source and disposed in the kettle body,
- the control circuit for controlling the heating element further includes at least one pressure sensor for detecting the pressure of the kettle body, a microprocessor for converting the pressure signal detected by the pressure sensor into water level information, a wireless transmission receiving device, and a microprocessor input
- the end is connected to the pressure sensor, and the output end of the microprocessor is respectively connected to the control circuit and the wireless transmission receiving device, and further comprises an external remote control device matched with the wireless transmission receiving device.
- the pressure sensor can transmit the signal to the microprocessor to convert the water level information according to the pressure change caused by the water shortage or full water of the kettle body; the microprocessor judges whether there is water shortage or full water according to the obtained water level information, and if there is a shortage Water or full water information, the microprocessor will transmit signals to the control circuit, controlled by the control circuit
- the electric heating element of the electric kettle stops working, thereby protecting the utility; the wireless transmission receiving device acquires the water level information transmitted by the microprocessor and wirelessly transmits it to the remote control device, so that it can acquire the water level information and make related information display or processing; After the control device acquires the water level information, it sends a processing signal to the wireless transmission receiving device, and transmits it to the control circuit through the microprocessor, and the control circuit performs processing.
- the pressure sensor is disposed on the base, and the microprocessor and the wireless transmission receiving device are disposed in the base, and one end of the pressure sensor is in contact with the bottom of the kettle body, and the other end is electrically connected to the microprocessor.
- the pressure sensor is disposed on the base, and the microprocessor and the wireless transmission receiving device are disposed in the base, and one end of the pressure sensor is in contact with a contact surface for supporting the base, and the other end is electrically connected to the microprocessor.
- the pressure sensor is disposed at the bottom of the kettle body, and the microprocessor and the wireless transmission receiving device are disposed in the kettle body, the pressure sensor is in contact with the base toward one end of the base, and the other end is electrically connected to the microprocessor.
- the invention has the following advantages: the device can monitor the water level information, and alarms according to the condition of lack of water or full water, thereby increasing the safe use protection of the electric kettle; the water level information is wirelessly transmitted to the remote control device. Display or process to improve the convenience of remote users.
- Embodiment 1 is a schematic structural view of Embodiment 1 of the present invention.
- Embodiment 1 of the present invention is a block diagram showing the structure of Embodiment 1 of the present invention.
- Embodiment 2 of the present invention is a schematic structural view of Embodiment 2 of the present invention.
- Embodiment 3 is a schematic structural view of Embodiment 3 of the present invention.
- An electric kettle capable of monitoring a water level comprising a base of an external power source, a pot body placed on the base 1, a heating element connected to the power source and disposed in the kettle body 2, and a control circuit 5 for controlling the heat generating component, Also included is at least one pressure sensor 3 for detecting the pressure of the kettle body 2, a microprocessor 4 for converting the pressure signal detected by the pressure sensor 3 into water level information, and a wireless transmission receiving device 6, the pressure sensor 3 being disposed on the base 1
- the microprocessor 4 and the wireless transmission receiving device 6 are disposed in the base 1.
- One end of the pressure sensor 3 is in contact with the bottom of the kettle body 2, and the other end is electrically connected to the microprocessor 4.
- the input terminal of the microprocessor 4 and the pressure sensor 3 are connected.
- the output of the microprocessor 4 is respectively connected to the control circuit 5 and the wireless transmission receiving device 6, and further includes an external remote control device 7 matched with the wireless transmission receiving device 6.
- the pressure sensor 3 can transmit the signal to the microprocessor 4 for conversion to water level information according to the pressure change caused by the water shortage or full water of the kettle body; the microprocessor 4 determines whether there is water shortage or full water according to the obtained water level information. If there is water shortage or full water information, the microprocessor 4 will transmit a signal to the control circuit 5, and the control circuit 5 controls the electric kettle heating element to stop working, thereby playing a protective role; the wireless transmission receiving device 6 acquires the microprocessor 4 The transmitted water level information is wirelessly transmitted to the remote control device 7, so that it can acquire the water level information and make related information display or processing; after the remote control device 7 acquires the water level information, it sends a processing signal to the wireless transmission receiving device 6, and passes The microprocessor 4 is transferred to the control circuit 5, which is processed by the control circuit 5.
- the second embodiment is different from the first embodiment in that the pressure sensor 3 is disposed on the base 1, and one end of the pressure sensor 3 is in contact with the support base 1. Touched, the other end is electrically connected to the microprocessor 4.
- the pressure sensor 3 is arranged to be hidden under the base 1, and the pressure sensor 3 is not visible during normal use, and is more aesthetically pleasing. At this time, the pressure sensor 3 receives the entire weight of the kettle body 2 and the base 1, and the microprocessor 4 automatically calculates the pressure before and after the water supply, thereby sensing the situation of water shortage and full water.
- the third embodiment is different from the embodiment 1 in that the pressure sensor 3 is disposed at the bottom of the kettle body 2, and the microprocessor 4 and the wireless transmission receiving device 6 are disposed at In the kettle body 2, one end of the pressure sensor 3 is in contact with the base 1, and the other end is electrically connected to the microprocessor 4.
- the invention adopts a simple and effective technical solution, realizes the detection of the water level of the electric kettle and can be converted into a digital analog signal, so that the electric kettle can set the maximum and minimum water level to increase the safe use protection of the electric kettle; the water level information can also
- the convenience of remote users can be improved by wirelessly transmitting to a remote control device for display or processing.
- the invention has great industrial applicability in the electric kettle internet of things and intelligence.
Abstract
An electric kettle capable of monitoring a water level, comprising a base (1) externally connected to a power source, a kettle body (2) disposed on the base (1), a heating element connected to the power source and disposed within the kettle body (2), a control circuit (5) for controlling the heating element, at least one pressure sensor (3) for detecting the pressure of the kettle body (2), a microprocessor (4) for converting a pressure signal detected by the pressure sensor (3) into water level information, and a wireless transmission and receiving device (6); the input end of the microprocessor (4) is connected to the pressure sensor (3), and the output end of the microprocessor (4) is connected to the control circuit (5) and the wireless transmission and receiving device (6); and the electric kettle further comprises an external remote control device (7) matching the wireless transmission and receiving device (6). The electric kettle of the present invention can monitor the water level information, and can provide an alarm when the electric kettle lacks water or is full of water, thus further ensuring the safe use of the electric kettle; and the water level information is wirelessly transmitted to the remote control device for display or processing, thus increasing the convenience of use for a remote user.
Description
本实发明涉及一种电水壶，尤其是一种可监测水位的电水壶。The invention relates to an electric kettle, in particular to an electric kettle capable of monitoring a water level.
目前，市场上的电水壶一般采用透明水窗来目视观测水位，或在其内壁都标有上限水位线及下限水位线，但无法进行满水或缺水报警，且在使用时往往忽略上下限水位线，容易造成水烧干或沸腾后溢出的情况，从而引发安全事故，而且无法远程监测电水壶的水位。At present, electric kettles on the market generally use transparent water windows to visually observe the water level, or the upper limit water level line and the lower limit water level line are marked on the inner wall, but the full water or water shortage alarm cannot be performed, and the use is often ignored. The lower limit water level line is easy to cause the water to dry out or overflow after boiling, which may cause a safety accident and the water level of the electric kettle cannot be remotely monitored.
如何将容器里水量的变化转化为数字信号，从而可以更加便捷对水位参数进行监测，计算，传输。How to convert the change of water volume in the container into a digital signal, so that the water level parameters can be monitored, calculated and transmitted more conveniently.
问题的解决方案Problem solution
本发明的目的在于克服上述现有技术的不足，提供一种可监测水位的电水壶，该设备可监测电水壶的满水或缺水情况，从而保护电水壶，并方便用户对电水壶进行水位观测，实现更加便捷安全的远程控制。The object of the present invention is to overcome the above deficiencies of the prior art, and to provide an electric kettle capable of monitoring water level, which can monitor the water or water shortage of the electric kettle, thereby protecting the electric kettle and facilitating the user to perform water level on the electric kettle. Observe and realize more convenient and safe remote control.
为实现以上目的，本发明采取了以下的技术方案：一种可监测水位的电水壶，包括外接电源的底座、置于底座上的壶体、与电源连接且设置在壶体内的发热元件、用于控制发热元件的控制电路，还包括至少一个用于检测壶体压力的压力传感器、用于将压力传感器检测到的压力信号转换为水位信息的微处理器、无线传输接收装置，微处理器输入端与压力传感器相连，微处理器输出端分别与控制电路、无线传输接收装置相接，还包括与所述无线传输接收装置相匹配的外置远程控制设备。In order to achieve the above object, the present invention adopts the following technical solutions: an electric kettle capable of monitoring water level, comprising a base of an external power source, a pot body placed on the base, a heating element connected to the power source and disposed in the kettle body, The control circuit for controlling the heating element further includes at least one pressure sensor for detecting the pressure of the kettle body, a microprocessor for converting the pressure signal detected by the pressure sensor into water level information, a wireless transmission receiving device, and a microprocessor input The end is connected to the pressure sensor, and the output end of the microprocessor is respectively connected to the control circuit and the wireless transmission receiving device, and further comprises an external remote control device matched with the wireless transmission receiving device.
压力传感器可根据壶体的缺水或满水引起的压力变化情况，将信号传输给微处理器转换为水位信息；微处理器根据所获知的水位信息判断是否缺水或满水，若出现缺水或满水信息，微处理器将传输信号给控制电路，由控制电路来控制
电水壶发热元件停止工作，从而起到保护作用；无线传输接收装置获取微处理器传输来的水位信息通过无线传输到远程控制设备，使其可以获取水位信息并作出相关的信息显示或处理；远程控制设备获取水位信息后，向无线传输接收装置发出处理信号，并通过微处理器传输至控制电路，由控制电路作出处理。The pressure sensor can transmit the signal to the microprocessor to convert the water level information according to the pressure change caused by the water shortage or full water of the kettle body; the microprocessor judges whether there is water shortage or full water according to the obtained water level information, and if there is a shortage Water or full water information, the microprocessor will transmit signals to the control circuit, controlled by the control circuit
The electric heating element of the electric kettle stops working, thereby protecting the utility; the wireless transmission receiving device acquires the water level information transmitted by the microprocessor and wirelessly transmits it to the remote control device, so that it can acquire the water level information and make related information display or processing; After the control device acquires the water level information, it sends a processing signal to the wireless transmission receiving device, and transmits it to the control circuit through the microprocessor, and the control circuit performs processing.
所述压力传感器设置在底座上，所述微处理器与无线传输接收装置设置在底座内，压力传感器一端与壶体底部碰触，另一端与所述微处理器电连接。The pressure sensor is disposed on the base, and the microprocessor and the wireless transmission receiving device are disposed in the base, and one end of the pressure sensor is in contact with the bottom of the kettle body, and the other end is electrically connected to the microprocessor.
所述压力传感器设置在底座上，所述微处理器与无线传输接收装置设置在底座内，压力传感器一端与用于支持底座的接触面碰触，另一端与所述微处理器电连接。The pressure sensor is disposed on the base, and the microprocessor and the wireless transmission receiving device are disposed in the base, and one end of the pressure sensor is in contact with a contact surface for supporting the base, and the other end is electrically connected to the microprocessor.
所述压力传感器设置在壶体底部，所述微处理器与无线传输接收装置设置在壶体内，压力传感器朝向底座的一端与底座碰触，另一端与所述微处理器电连接。The pressure sensor is disposed at the bottom of the kettle body, and the microprocessor and the wireless transmission receiving device are disposed in the kettle body, the pressure sensor is in contact with the base toward one end of the base, and the other end is electrically connected to the microprocessor.
发明的有益效果Advantageous effects of the invention
本发明与现有技术相比，具有如下优点：本设备可监测水位信息，并根据缺水或满水的状况报警，增加了电水壶的安全使用保护；水位信息通过无线传输到远程控制设备进行显示或处理，可提高远程用户使用便捷性。Compared with the prior art, the invention has the following advantages: the device can monitor the water level information, and alarms according to the condition of lack of water or full water, thereby increasing the safe use protection of the electric kettle; the water level information is wirelessly transmitted to the remote control device. Display or process to improve the convenience of remote users.
对附图的简要说明Brief description of the drawing
图1为本发明实施例1的结构示意图；1 is a schematic structural view of Embodiment 1 of the present invention;
图2为本发明实施例1的结构框图；2 is a block diagram showing the structure of Embodiment 1 of the present invention;
图3为本发明实施例2的结构示意图；3 is a schematic structural view of Embodiment 2 of the present invention;
图4为本发明实施例3的结构示意图。4 is a schematic structural view of Embodiment 3 of the present invention.
图中附图标记含义：1、底座，2、壶体，3、压力传感器，4、微处理器，5、控制电路，6、无线传输接收装置，7、远程控制设备。The meanings of the reference numerals in the figure: 1, base, 2 body, 3, pressure sensor, 4, microprocessor, 5, control circuit, 6, wireless transmission receiving device, 7, remote control device.
实施该发明的最佳实施例BEST MODE FOR CARRYING OUT THE INVENTION
下面结合附图和具体实施方式对本发明的内容做进一步详细说明。The content of the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
实施例1Example 1
参阅图1及图2，箭头表示信号传输方向。一种可监测水位的电水壶，包括外接电源的底座1、置于底座1上的壶体2、与电源连接且设置在壶体2内的发热元件、用于控制发热元件的控制电路5，还包括至少一个用于检测壶体2压力的压力传感器3、用于将压力传感器3检测到的压力信号转换为水位信息的微处理器4、无线传输接收装置6，压力传感器3设置在底座1上，微处理器4与无线传输接收装置6设置在底座1内，压力传感器3一端与壶体2底部碰触，另一端与微处理器4电连接；微处理器4输入端与压力传感器3相连，微处理器4输出端分别与控制电路5、无线传输接收装置6相接，还包括与无线传输接收装置6相匹配的外置远程控制设备7。Referring to Figures 1 and 2, the arrows indicate the direction of signal transmission. An electric kettle capable of monitoring a water level, comprising a base of an external power source, a pot body placed on the base 1, a heating element connected to the power source and disposed in the kettle body 2, and a control circuit 5 for controlling the heat generating component, Also included is at least one pressure sensor 3 for detecting the pressure of the kettle body 2, a microprocessor 4 for converting the pressure signal detected by the pressure sensor 3 into water level information, and a wireless transmission receiving device 6, the pressure sensor 3 being disposed on the base 1 The microprocessor 4 and the wireless transmission receiving device 6 are disposed in the base 1. One end of the pressure sensor 3 is in contact with the bottom of the kettle body 2, and the other end is electrically connected to the microprocessor 4. The input terminal of the microprocessor 4 and the pressure sensor 3 are connected. Connected, the output of the microprocessor 4 is respectively connected to the control circuit 5 and the wireless transmission receiving device 6, and further includes an external remote control device 7 matched with the wireless transmission receiving device 6.
压力传感器3可根据壶体的缺水或满水引起的压力变化情况，将信号传输给微处理器4转换为水位信息；微处理器4根据所获知的水位信息判断是否缺水或满水，若出现缺水或满水信息，微处理器4将传输信号给控制电路5，由控制电路5来控制电水壶加热元件停止工作，从而起到保护作用；无线传输接收装置6获取微处理器4传输来的水位信息通过无线传输到远程控制设备7，使其可以获取水位信息并作出相关的信息显示或处理；远程控制设备7获取水位信息后，向无线传输接收装置6发出处理信号，并通过微处理器4传输至控制电路5，由控制电路5作出处理。The pressure sensor 3 can transmit the signal to the microprocessor 4 for conversion to water level information according to the pressure change caused by the water shortage or full water of the kettle body; the microprocessor 4 determines whether there is water shortage or full water according to the obtained water level information. If there is water shortage or full water information, the microprocessor 4 will transmit a signal to the control circuit 5, and the control circuit 5 controls the electric kettle heating element to stop working, thereby playing a protective role; the wireless transmission receiving device 6 acquires the microprocessor 4 The transmitted water level information is wirelessly transmitted to the remote control device 7, so that it can acquire the water level information and make related information display or processing; after the remote control device 7 acquires the water level information, it sends a processing signal to the wireless transmission receiving device 6, and passes The microprocessor 4 is transferred to the control circuit 5, which is processed by the control circuit 5.
发明实施例Invention embodiment
实施例2Example 2
参阅图3，为另一种可监测水位的电水壶，施例2与实施例1的区别之处在于：压力传感器3设置在底座1上，压力传感器3一端与用于支持底座1的接触面碰触，另一端与微处理器4电连接。压力传感器3的设置，可使其隐藏在底座1下，在正常使用时看不见该压力传感器3，更富有美感。此时，压力传感器3是承受壶体2及底座1的整体重量，由微处理器4自动计算加水前后的压力，即可感知缺水与满水的状况。
Referring to FIG. 3, another electric kettle capable of monitoring the water level, the second embodiment is different from the first embodiment in that the pressure sensor 3 is disposed on the base 1, and one end of the pressure sensor 3 is in contact with the support base 1. Touched, the other end is electrically connected to the microprocessor 4. The pressure sensor 3 is arranged to be hidden under the base 1, and the pressure sensor 3 is not visible during normal use, and is more aesthetically pleasing. At this time, the pressure sensor 3 receives the entire weight of the kettle body 2 and the base 1, and the microprocessor 4 automatically calculates the pressure before and after the water supply, thereby sensing the situation of water shortage and full water.
实施例3Example 3
参阅图4，为另一种可监测水位的电水壶，施例3与实施例1的区别之处在于：压力传感器3设置在壶体2底部，微处理器4与无线传输接收装置6设置在壶体2内，压力传感器3一端与底座1碰触，另一端与微处理器4电连接。Referring to FIG. 4, another electric kettle capable of monitoring the water level, the third embodiment is different from the embodiment 1 in that the pressure sensor 3 is disposed at the bottom of the kettle body 2, and the microprocessor 4 and the wireless transmission receiving device 6 are disposed at In the kettle body 2, one end of the pressure sensor 3 is in contact with the base 1, and the other end is electrically connected to the microprocessor 4.
上列详细说明是针对本发明可行实施例的具体说明，该实施例并非用以限制本发明的专利范围，凡未脱离本发明所为的等效实施或变更，均应包含于本案的专利范围中。The detailed description above is a detailed description of the possible embodiments of the present invention, which is not intended to limit the scope of the invention, and the equivalents and modifications of the present invention should be included in the scope of the patent. in.
本发明采取了简单有效的技术解决方案，实现了电水壶水位的检测并可以转其换为数字模拟信号，从而电水壶可以设置最大最小水位来增加了电水壶的安全使用保护；水位信息还可以通过无线传输到远程控制设备进行显示或处理，可提高远程用户使用便捷性。该发明在电水壶物联网及智能化方面有很大的工业实用性。
The invention adopts a simple and effective technical solution, realizes the detection of the water level of the electric kettle and can be converted into a digital analog signal, so that the electric kettle can set the maximum and minimum water level to increase the safe use protection of the electric kettle; the water level information can also The convenience of remote users can be improved by wirelessly transmitting to a remote control device for display or processing. The invention has great industrial applicability in the electric kettle internet of things and intelligence.
Claims (4)
- 一种可监测水位的电水壶，包括外接电源的底座、置于底座上的壶体、与电源连接且设置在壶体内的发热元件、用于控制发热元件的控制电路，其特征在于：还包括至少一个用于检测壶体压力的压力传感器、用于将压力传感器检测到的压力信号转换为水位信息的微处理器、无线传输接收装置，微处理器输入端与压力传感器相连，微处理器输出端分别与控制电路、无线传输接收装置相接，还包括与所述无线传输接收装置相匹配的外置远程控制设备。An electric kettle capable of monitoring a water level, comprising a base of an external power source, a kettle body disposed on the base, a heating element connected to the power source and disposed in the kettle body, and a control circuit for controlling the heat generating component, wherein: At least one pressure sensor for detecting the pressure of the kettle body, a microprocessor for converting the pressure signal detected by the pressure sensor into water level information, a wireless transmission receiving device, the microprocessor input terminal connected to the pressure sensor, and the microprocessor output The terminals are respectively connected to the control circuit and the wireless transmission receiving device, and further comprise an external remote control device matched with the wireless transmission receiving device.
- 根据权利要求1所述的可监测水位的电水壶，其特征在于：所述压力传感器设置在底座上，所述微处理器与无线传输接收装置设置在底座内，压力传感器一端与壶体底部碰触，另一端与所述微处理器电连接。The electric kettle capable of monitoring water level according to claim 1, wherein the pressure sensor is disposed on the base, the microprocessor and the wireless transmission receiving device are disposed in the base, and one end of the pressure sensor is in contact with the bottom of the kettle body. The other end is electrically connected to the microprocessor.
- 根据权利要求1所述的可监测水位的电水壶，其特征在于：所述压力传感器设置在底座上，所述微处理器与无线传输接收装置设置在底座内，压力传感器一端与用于支持底座的接触面碰触，另一端与所述微处理器电连接。The electric kettle capable of monitoring water level according to claim 1, wherein the pressure sensor is disposed on the base, the microprocessor and the wireless transmission receiving device are disposed in the base, and one end of the pressure sensor is used for supporting the base. The contact surface touches and the other end is electrically connected to the microprocessor.
- 根据权利要求1所述的可监测水位的电水壶，其特征在于：所述压力传感器设置在壶体底部，所述微处理器与无线传输接收装置设置在壶体内，压力传感器朝向底座的一端与底座碰触，另一端与所述微处理器电连接。 The electric kettle capable of monitoring water level according to claim 1, wherein the pressure sensor is disposed at the bottom of the kettle body, and the microprocessor and the wireless transmission receiving device are disposed in the kettle body, and the pressure sensor faces the end of the base body. The base touches and the other end is electrically connected to the microprocessor.
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|---|---|---|---|
| CN201420304614.4 | 2014-06-09 | ||
| CN201420304614.4U CN203914526U (en) | 2014-06-09 | 2014-06-09 | A kind of insulating pot of monitoring water level |
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| WO2015188679A1 true WO2015188679A1 (en) | 2015-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2015/079230 WO2015188679A1 (en) | 2014-06-09 | 2015-05-18 | Electric kettle capable of monitoring water level |
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| CN (1) | CN203914526U (en) |
| WO (1) | WO2015188679A1 (en) |
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| CN113057480A (en) * | 2021-05-21 | 2021-07-02 | 德化盈派陶瓷电器研发有限公司 | Intelligent ceramic electric heating health-preserving teapot |
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| CN203914526U (en) * | 2014-06-09 | 2014-11-05 | 朱星曈 | A kind of insulating pot of monitoring water level |
| CN105167598A (en) * | 2015-10-08 | 2015-12-23 | 格力电器（中山）小家电制造有限公司 | Electric kettle and base assembly thereof |
| CN105167503A (en) * | 2015-10-24 | 2015-12-23 | 苏州创必成电子科技有限公司 | Ultrasonic fast dissolving cup charged in battery contact mode |
| CN107728660A (en) * | 2017-11-23 | 2018-02-23 | 江苏精微特电子股份有限公司 | Add water controller and Intelligent electric kettle |
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