CN216090072U - Electric kettle capable of detecting water level on surface of kettle body - Google Patents
Electric kettle capable of detecting water level on surface of kettle body Download PDFInfo
- Publication number
- CN216090072U CN216090072U CN202121706162.9U CN202121706162U CN216090072U CN 216090072 U CN216090072 U CN 216090072U CN 202121706162 U CN202121706162 U CN 202121706162U CN 216090072 U CN216090072 U CN 216090072U
- Authority
- CN
- China
- Prior art keywords
- water level
- kettle body
- level detection
- detection electrode
- kettle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses an electric kettle for detecting the water level on the surface of a kettle body, which comprises a kettle body and a water level detection electrode, wherein the water level detection electrode is arranged on the outer surface of the kettle body, the kettle body comprises a thermistor probe, a water level detection signal processing module and a coupler, the thermistor probe is arranged on the inner surface of the kettle body, the water level detection signal processing module and the coupler are arranged in a cavity at the bottom of the kettle body, and the water level detection signal processing module is connected with the coupler, the water level detection electrode and the thermistor probe through leads.
Description
Technical Field
The utility model relates to the technical field of electric kettles, in particular to an electric kettle with a water level detection device attached to the surface of the kettle body.
Background
The electric kettle is a very wide household appliance, a water level detection device is arranged on the inner side of the electric kettle and used for detecting the water level in the kettle, and the traditional water level detection device is exposed inside the kettle or is propped against the kettle body by a spring, so that the electric kettle is inconvenient to mount and is not easy to fix.
SUMMERY OF THE UTILITY MODEL
The utility model solves the problem that the water level detection electrode is arranged on the outer surface of the kettle body, and the connection between the water level detection electrode and the kettle body is simple.
The technical scheme adopted by the utility model is as follows: the kettle comprises a kettle body and a water level detection electrode, wherein the water level detection electrode is arranged on the outer surface of the kettle body, the kettle body comprises a thermistor probe, a water level detection signal processing module and a coupler, the thermistor probe is positioned on the inner surface of the kettle body, the water level signal processing module and the coupler are arranged in a cavity at the bottom of the kettle body, and the water level detection signal processing module is connected with the coupler, the water level detection electrode and the thermistor probe through leads.
Further, the water level detection electrode is made of a metal foil material, a viscous material is arranged on the surface of the metal foil, and the viscous material is attached to the surface of the kettle body.
Further, the water level detection electrode includes a first detection electrode and a second detection electrode.
Further, the water level detection electrode is provided with at least one detection electrode.
Further, the impedance protection device includes a capacitor C1 and a capacitor C2.
Further, the impedance protection device is composed of at least one capacitor.
Further, the capacitor of the impedance protection device is mounted on the water level detection signal processing module.
The utility model has the beneficial effects that: the cavity in the kettle body is filled with water, the water level detection signal processing module actively detects the state of the water level detection electrode, judges the water level condition in the kettle body, judges the temperature of the water in the kettle body by detecting the resistance value of the thermistor probe, and makes corresponding control according to the water level and temperature data, or transmits the data to a main control panel on a base of the kettle body through the coupler to make corresponding control, or stops heating, or adds water or alarms.
Drawings
FIG. 1 is a schematic cross-sectional view of the present invention;
FIG. 2 is a schematic view of the connection between the kettle body and the water level detection electrode;
fig. 3 is a schematic view of the side structure of the kettle body.
Fig. 4 is a schematic circuit diagram of a device with a protective impedance.
A liquid level detection circuit.
Detailed Description
The utility model is a capacitive non-contact liquid level detection circuit formed by a touch circuit integrated in a singlechip, when liquid is not immersed to the position of an electrode, the equivalent capacitance capacity formed by the electrode, the wall of a non-metallic material container and air is smaller, and the value detected by the touch circuit in the singlechip is larger; when the liquid in the container is immersed in the electrode, the equivalent capacitance formed by the electrode, the wall of the non-metal material container and the liquid in the container is larger, and the value detected by the touch circuit in the single chip microcomputer is smaller. The experimental data are as follows:
as shown in fig. 1 to 3, the electric kettle for detecting the water level on the surface of the kettle body comprises a kettle body 10 and a water level detection electrode 20, wherein the water level detection electrode 20 is arranged on the outer surface of the kettle body 10, and the kettle body 10 is made of a non-metal material.
The water level detection electrode 20 includes a first detection electrode 21 and a second detection electrode 22.
In practical implementation, the water level detection electrode 20 is provided with at least one detection electrode.
The water level detection electrode 20 is made of metal foil material, the surface of the metal foil is attached with an adhesive material 23, and the adhesive material 23 is attached and connected with the surface of the kettle body 10.
The kettle body 10 comprises a thermistor probe 11, a water level detection signal processing module 12 and a coupler 13, the thermistor probe 11 is positioned on the inner surface of the kettle body 10, and the water level detection signal processing module 12 and the coupler 13 are arranged in a cavity at the bottom of the kettle body 10.
The water level detection signal processing module 12 is connected to the coupler 13, the water level detection electrode 20 and the thermistor probe 11 by wires.
The water level detection signal processing module 12 actively detects the signal of the water level detection electrode 20 and compares the signal with a reference to judge whether water exists at the corresponding water level detection electrode 20, the water level detection signal processing module 12 reads the temperature value of the thermistor probe 11, and then corresponding control is carried out according to the detection result of the water level detection electrode 20 and the resistance value of the thermistor probe 11 or the detection result is transmitted to the main control unit of the kettle body 10 with a base through the coupler 13 to carry out corresponding control.
The thermistor probe 11 is connected with the water level detection signal processing module 12 through a lead for detecting the temperature of the water in the kettle body 10.
When the kettle is used, water is loaded in the cavity inside the kettle body 10, the water level detection signal processing module 12 actively detects the state of the water level detection electrode 20, judges the water level condition inside the kettle body 10, judges the temperature of the water in the kettle body 10 by detecting the resistance value of the thermistor probe 11, and performs corresponding control according to the water level and temperature data, or transmits the water to a main control board on a base of the kettle body 10 through the coupler 13 to perform corresponding control, or stops heating, or adds water or gives an alarm.
As shown in fig. 4, a second embodiment of the present invention is different from the first embodiment in that an impedance protection device is provided between the water level detection signal processing module 12 and the water level detection electrode 20.
The impedance protection device comprises a capacitor C1 and a capacitor C2, and the impedance protection device at least consists of more than one capacitor.
The water level detection signal processing module 12 is directly connected to the water level detection electrode 20 through a wire, at least one set of impedance protection device is disposed between the water level detection signal processing module 12 and the water level detection electrode 20, and the capacitor C1 and the capacitor C2 of the impedance protection device are installed on the water level detection signal processing module 12.
In the specific implementation, because the water level detection electrode 20 is adhered to the surface of the kettle body 10, if the kettle body 10 is not metallic, the water level detection electrode 20 will be exposed to the outside and cause a human hand to touch, which may cause an electric shock safety accident, and according to the requirement of the mechanical strength of chapter 21.1 of the general standard GB4706.1 for household appliances, the kettle body must bear 0.5J of energy impact for 3 times, but in the actual production, the kettle body is too thick and unrealistic, in order to solve this problem, the practical application is extended, and at least one group of the impedance protection devices is connected in series between the water level detection signal processing module 12 and the water level detection electrode 20.
Claims (8)
1. An electric kettle for detecting the water level on the surface of a kettle body is characterized in that: comprises a kettle body (10) and a water level detection electrode (20),
the water level detection electrode (20) is arranged on the outer surface of the kettle body (10),
the kettle body (10) comprises a thermistor probe (11), a water level detection signal processing module (12) and a coupler (13),
the thermistor probe (11) is positioned on the inner surface of the kettle body (10), the water level detection signal processing module (12) and the coupler (13) are arranged in a cavity at the bottom of the kettle body (10),
the water level detection signal processing module (12) is connected with the coupler (13), the water level detection electrode (20) and the thermistor probe (11) through leads.
2. The electric kettle for detecting the water level on the surface of the kettle body as claimed in claim 1, is characterized in that: the water level detection electrode (20) is made of a metal foil material, a viscous material (23) is arranged on the surface of the metal foil, and the viscous material (23) is attached and connected with the surface of the kettle body (10).
3. The electric kettle for detecting the water level on the surface of the kettle body as claimed in claim 1, wherein: the water level detection electrode (20) includes a first detection electrode (21) and a second detection electrode (22).
4. The electric kettle for detecting the water level on the surface of the kettle body according to the claim 1 is characterized in that: the water level detection electrode (20) is provided with at least more than one detection electrode.
5. The electric kettle for detecting the water level on the surface of the kettle body as claimed in claim 1, wherein: at least more than one group of impedance protection devices are arranged between the water level detection signal processing module (12) and the water level detection electrode (20).
6. The electric kettle for detecting the water level on the surface of the kettle body as claimed in claim 5, wherein: the impedance protection device includes a capacitor C1 and a capacitor C2.
7. The electric kettle for detecting the water level on the surface of the kettle body as claimed in claim 5, wherein: the impedance protection device is composed of at least more than one capacitor.
8. The electric kettle for detecting the water level on the surface of the kettle body as claimed in claim 6, wherein:
the capacitor C1 and the capacitor C2 are mounted on a water level detection signal processing module (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121706162.9U CN216090072U (en) | 2021-07-26 | 2021-07-26 | Electric kettle capable of detecting water level on surface of kettle body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121706162.9U CN216090072U (en) | 2021-07-26 | 2021-07-26 | Electric kettle capable of detecting water level on surface of kettle body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216090072U true CN216090072U (en) | 2022-03-22 |
Family
ID=80723289
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121706162.9U Active CN216090072U (en) | 2021-07-26 | 2021-07-26 | Electric kettle capable of detecting water level on surface of kettle body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216090072U (en) |
-
2021
- 2021-07-26 CN CN202121706162.9U patent/CN216090072U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106289449A (en) | Condenser type water level and flow detection device and kettle, detection method | |
| CN216090072U (en) | Electric kettle capable of detecting water level on surface of kettle body | |
| CN208769496U (en) | A kind of electric kettle | |
| CN109443491A (en) | Liquid level detection system, electric steam box and liquid level detection method | |
| CN215809373U (en) | Capacitance type multi-section water level sensing device and electric heating appliance thereof | |
| CN209043416U (en) | Liquid level detection system and electric steam box | |
| CN206239144U (en) | Electric kettle | |
| CN208192847U (en) | A kind of food processor | |
| CN215127176U (en) | Device for distinguishing metal inner container and ceramic inner container of electric cooker and electric cooker | |
| CN212300379U (en) | Cooking utensil with enlarged detection area | |
| CN207611009U (en) | Coagulate frost sensor and the evaporator with solidifying white detection function | |
| CN206019786U (en) | Liquid level detection device and electrical equipment | |
| CN219460879U (en) | Electric kettle with induction detection function | |
| CN221844506U (en) | Milk warmer | |
| CN215217867U (en) | Temperature sensing detection structure and cooking utensil | |
| CN212394623U (en) | Cooking utensil with elastic terminal | |
| CN213345316U (en) | Cooking utensil with external detection device | |
| CN218009326U (en) | Liquid level induction dry-heating-preventing heating base and electric kettle | |
| CN218238985U (en) | Soaking type liquid level detection electrode | |
| CN214843684U (en) | Temperature sensor | |
| CN218128081U (en) | Intelligent heating container | |
| CN218765648U (en) | SMD temperature sensor | |
| CN2938674Y (en) | Temp. detection and control device for electric heating pot | |
| CN213600238U (en) | Non-grounded temperature sensor | |
| CN217039694U (en) | Container with a lid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |