CN212382490U - Multifunctional detection module of electric kettle - Google Patents
Multifunctional detection module of electric kettle Download PDFInfo
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- CN212382490U CN212382490U CN202020471636.5U CN202020471636U CN212382490U CN 212382490 U CN212382490 U CN 212382490U CN 202020471636 U CN202020471636 U CN 202020471636U CN 212382490 U CN212382490 U CN 212382490U
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Abstract
The utility model relates to a multifunctional detection module of an electric kettle, which comprises a kettle body and/or a host; the method is characterized in that: the multifunctional detection module is arranged on the kettle body or the host; the multifunctional detection module comprises an induction electrode plate for inducing the capacitance value of liquid in the kettle body and/or a temperature sensor for detecting the temperature of the liquid in the kettle body, and a module base body, wherein the induction electrode plate and/or the temperature sensor are arranged on the module base body; an interlayer for preventing the sensing electrode slice and/or the temperature sensor from being in direct contact with the liquid is arranged between the sensing electrode slice and/or the temperature sensor and the liquid; and the host or the multifunctional detection module is provided with a detection circuit, and the induction electrode plate is electrically connected with the detection circuit. The multifunctional detection module is simple in structure, reasonable in design, reliable in performance, convenient and fast to assemble, and capable of effectively guaranteeing water quality and guaranteeing user health.
Description
Technical Field
The utility model relates to an electric kettle specifically is an electric kettle's multi-functional detection module.
Background
In the electric kettle on the existing market, a water level monitoring device and a temperature sensing device are generally arranged in a kettle inner cavity, the water level monitoring device and the temperature sensing device are respectively soaked in water in the daily use process, a large amount of scales are generated on the surfaces of the water level monitoring device and the temperature sensing device after long-time use, the normal work of the electric kettle is influenced, the scales even can cause the electric kettle to be out of order when the scales are serious, the water level monitoring and temperature monitoring functions of the electric kettle are out of order, and certain potential safety hazards are caused. In addition, due to the competitive pressure of the market, in order to further reduce the production cost, the water level monitoring device and the temperature sensing device may be made of inferior materials, such as: the poor-quality metal material is used, and the poor-quality metal material can rust and pollute water quality after being used for a long time, thereby threatening human health.
Chinese patent CN2018216328043 discloses an anti-dry burning glass electric kettle, which specifically discloses: including heating the host computer and installing the glass heating kettle on heating the host computer, be equipped with down the coupler in the heating host computer, heating circuit and heating control circuit, the glass heating kettle includes the glass kettle body and collet, the collet is installed in glass kettle body bottom, the collet bottom is equipped with the coupler, the bottom surface of the glass kettle body coats and is scribbled far infrared electrothermal film, the both ends and the last coupler of far infrared electrothermal film are connected, far infrared electrothermal film passes through the last coupler, the coupling and the heating circuit electricity of lower coupler are connected, capacitanc test probe is installed in the lateral wall outside of the glass kettle body, capacitanc test probe is close to the bottom surface of the glass kettle body, capacitanc test probe is connected with last coupler, capacitanc test probe passes through last coupler, the coupling. In the structure, the capacitive monitoring probe can only carry out point type detection on the bottom of the glass kettle body, and when the glass kettle body inclines, the detection failure condition can occur.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the not enough of above-mentioned prior art existence, and provide an electric kettle's multi-functional detection module, this multi-functional detection module simple structure, reasonable in design, the dependable performance, equipment convenient and fast effectively guarantees quality of water and guarantee that the user is healthy.
The purpose of the utility model is realized like this:
a multifunctional detection module of an electric kettle comprises a kettle body and/or a host; the method is characterized in that: the multifunctional detection module is arranged on the kettle body or the host; the multifunctional detection module comprises an induction electrode plate for inducing the capacitance value of liquid in the kettle body and/or a temperature sensor for detecting the temperature of the liquid in the kettle body, and a module base body, wherein the induction electrode plate and/or the temperature sensor are arranged on the module base body; an interlayer for preventing the sensing electrode slice and/or the temperature sensor from being in direct contact with the liquid is arranged between the sensing electrode slice and/or the temperature sensor and the liquid; and the host or the multifunctional detection module is provided with a detection circuit, and the induction electrode plate is electrically connected with the detection circuit.
The module base body is a circuit board, and the sensing electrode slice and/or the temperature sensor and the detection circuit are arranged on the module base body.
The multifunctional detection module further comprises a light-emitting element, and the light-emitting element is arranged on the module base body and connected with the detection circuit.
The multifunctional detection module further comprises a light guide layer arranged on the module base body, and the light emitting element corresponds to the light guide layer.
As a setting mode: the multifunctional detection module is arranged on the host, at least part of the sensing electrode slice and/or the temperature sensor is attached to the outer surface of the kettle body, and the interlayer comprises a kettle body side wall. The kettle body or the host is provided with a conducting strip, a large-range detection area is arranged on the conducting strip and corresponds to liquid in the kettle body, the sensing electrode piece touches and is electrically connected with the conducting strip, and the interlayer further comprises a conducting strip.
The detection end of the temperature sensor is provided with a heat conduction layer, and the heat conduction layer is positioned between the temperature sensor and the conducting strip
As another setting mode: the multifunctional detection module is arranged on the kettle body or the host, and further comprises an insulating heat conduction layer covering the surface of the induction electrode plate and/or the surface of the temperature sensor, and the interlayer is the insulating heat conduction layer or the combination of the insulating heat conduction layer and the side wall of the kettle body.
The multifunctional detection module arranged on the host machine is elastically attached to the outer surface of the kettle body through an elastic piece.
The multifunctional detection module further comprises a buzzer for alarming and/or prompting.
The utility model has the advantages as follows:
the induction electrode plates and/or the temperature sensors are integrated on a module base body to form an independent multifunctional detection module, so that the modular arrangement is realized, the installation is convenient and fast, and the integrity is strong; the induction electrode plate works by applying the principle of capacitance type water level detection, when liquid exists in the kettle body, the capacitance value induced by the induction electrode plate changes, the system judges that water exists in the kettle body according to the change of the capacitance value, and the electric kettle can normally work to realize the non-contact type dry burning prevention function; the temperature sensor detects temperature by means of infrared sensing or realizes temperature detection through corresponding medium heat conduction. In this device, response electrode slice and temperature sensor all do not all with liquid contact, consequently can effectively avoid response electrode slice and temperature sensor and liquid contact and appear phenomenons such as scale deposit or corruption on guaranteeing to detect the normal basis of function, can avoid appearing liquid pollution's problem simultaneously.
In addition, a light-emitting element can be integrated in the multifunctional detection module according to actual needs, the light-emitting element has indication and decoration functions, the system controls the light-emitting element to work according to different states of the electric kettle (the recognition degree is improved by controlling the light-emitting element in various forms, for example, the kettle body enters a normally-on mode when water exists in the kettle body, the kettle body is switched to a breathing lamp mode when no water exists in the kettle body, the water in the kettle body emits blue light at normal temperature, the water in the kettle body emits red light at high temperature and the like), and a user can know the state of the electric kettle more visually.
Drawings
Fig. 1 is an assembly diagram of a multifunctional detection module according to a first embodiment of the present invention.
Fig. 2 is an exploded view of the multifunctional detection module according to the first embodiment of the present invention.
Fig. 3 is a circuit diagram of a detection circuit according to a first embodiment of the present invention.
Fig. 4 is a partial sectional view of the first embodiment of the present invention.
Fig. 5 is a partial sectional view of a second embodiment of the present invention.
Fig. 6 is a partial sectional view of a third embodiment of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to fig. 1-3, the multifunctional detection module of the electric kettle comprises a kettle body 1 and a host 9, wherein the multifunctional detection module a is arranged on the kettle body 1 or the host 9; the multifunctional detection module A comprises an induction electrode plate 2 for inducing the capacitance value of liquid in the kettle body 1, a temperature sensor 3 for detecting the temperature of the liquid in the kettle body 1 and a module base 8, wherein the induction electrode plate 2 and the temperature sensor 3 are fixedly arranged on the module base 8, and at least part of the induction electrode plate 2 and the temperature sensor 3 correspond to the liquid in the kettle body 1; an interlayer for preventing the sensing electrode plate 2 and the temperature sensor 3 from being in direct contact with liquid is arranged between the sensing electrode plate and the liquid; the host machine 9 or the multifunctional detection module A is provided with a detection circuit, and the induction electrode plate 2 and the temperature sensor 3 are connected with the detection circuit.
In this multifunctional detection module A, relevant device all not with liquid contact, can effectively solve the easy scale deposit problem of inefficacy of traditional water level monitor and temperature sensor, effectively ensure the clean health of liquid moreover, and then guarantee that the user is healthy. The multifunctional detection module A can be compatible with most electric kettle appliances on the market, has strong adaptability and practicability, low manufacturing cost, convenient and quick installation, safety and stability, and can improve the performance of the electric kettle and prolong the service life of the electric kettle.
First embodiment
See fig. 1-4
The kettle body 1 is made of metal materials or nonmetal materials, and the nonmetal materials comprise glass, ceramics and the like; the multifunctional detection module A is arranged on the host 9, and if the kettle body is made of a metal material, a non-metal area needs to be arranged to correspond to the multifunctional detection module A;
the module base body 8 is a circuit board, and the sensing electrode plate 2, the temperature sensor 3 and the detection circuit are respectively and fixedly arranged on the module base body 8. The top of the induction electrode slice 2 is at least partially attached to the outer bottom surface of the kettle body 1; when water is in the kettle body 1, the capacitance value of the water sensed by the sensing electrode plate changes, and the system judges that water is in the kettle body 1 according to the changed capacitance value, so that the electric kettle is controlled to normally work, and the non-contact dry burning prevention function is realized. The top of the temperature sensor 3 is at least partially attached to the outer bottom surface of the kettle body 1, and the temperature sensor 3 is a thermistor. Because the induction electrode plate 2 and the temperature sensor 3 are respectively attached to the outer surface of the kettle body 1, the interlayer is the side wall of the kettle body 1.
This multifunctional detection module still includes light emitting component 6 and leaded light layer 7, and light emitting component 6 and leaded light layer 7 are fixed respectively to be set up on module base member 8, and light emitting component 6 connects the detection circuitry on the module base member 8, and light emitting component 6 corresponds each other with leaded light layer 7. The system controls the light-emitting element 6 to work in corresponding modes according to different states of the electric kettle, such as: when the kettle body 1 is not filled with water, the light-emitting element 6 works in a breathing lamp mode; when water is in the kettle body 1, the light-emitting element 6 works in a normally bright mode; when the water in the kettle body 1 is at normal temperature, the light-emitting element 6 emits blue light; when the water in the housing 1 is at a high temperature, the light emitting element 6 emits red light; referring to fig. 3, the detection circuit includes a control chip U1, the sensing electrode plate 2 is connected to a TP port of the control chip U1, and the light emitting element 6 is connected to a Q port of the control chip U1. A control mainboard on the host 9 supplies power to a control chip U1 on the detection circuit in a wired power supply mode, and the temperature sensor 3 is electrically connected with the control mainboard on the host 9 to feed back temperature detection information to the control mainboard; when the multifunctional detection module is arranged on the kettle body 1 and the corresponding electric kettle works in an electromagnetic induction mode (the electric kettle is not limited, other household appliances working in the electromagnetic induction mode can also be matched with the multifunctional detection module A for use), the detection circuit can obtain electric energy in a wireless power supply mode, the communication mode is realized by using a wireless communication technology, and the wireless power supply mode is electromagnetic induction power supply.
The multifunctional detection module A arranged on the host machine 9 is elastically attached to the outer surface of the kettle body 1 through the elastic piece 4, so that the induction electrode plate 2 and the temperature sensor 3 are respectively tightly attached to the kettle body 1, and the liquid level and the temperature are detected more accurately; the elastic member 4 in this embodiment is a coil spring.
The multifunctional detection module A also comprises a buzzer for alarming and prompting, and when the water level is too low (dry burning) and a user needs to be reminded in an auxiliary way, the system controls the buzzer to send corresponding audio frequency, so that an effective alarming and prompting effect is achieved.
The induction electrode plate 2 is a copper sheet or a silver sheet with strong heat conductivity.
Second embodiment
See FIG. 5
In the embodiment, on the basis of the first embodiment, a conducting plate 10 is arranged on the pot body 1 or the host machine 9, the conducting plate 10 is positioned between the pot body 1 and the host machine 9, a large-range detection area is arranged on the conducting plate 10 and corresponds to liquid in the pot body 1, the sensing electrode sheet 2 touches and is electrically connected with the conducting plate 10, and the interlayer is a combination of the conducting plate 10 and the side wall of the pot body 1; the conducting strip 10 related to the embodiment is annular (can also be in the shape of a circle, a polygon and other geometric shapes), a positioning step (which is used for being matched with a positioning groove on the host machine 9 to achieve the positioning purpose) is protruded at the bottom of the kettle body 1, the annular conducting strip 10 is arranged at the bottom of the kettle body 1 and is arranged at the outer side of the positioning step at the periphery, and the size of the conducting strip 10 can be adjusted according to actual needs; the shape of the conducting strip 10 is in large-range contact with the bottom of the kettle body 1, so the detection range is large, 360-degree detection is achieved, whether water exists in the kettle body 1 can be effectively detected when the kettle body 1 inclines, and the use safety of the electric kettle is further improved.
In order to avoid influencing the normal operation of the temperature sensor 3, the detection end of the temperature sensor 3 is provided with a heat conduction layer, and the heat conduction layer is positioned between the temperature sensor 3 and the conducting strip 10; the heat-conducting layer is the silica gel layer to more effectual heat conduction improves the temperature detection performance.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
Third embodiment
See FIG. 6
This embodiment differs from the first embodiment in that: the pot body 1 is made of metal materials, and the multifunctional detection module A is arranged on the pot body 1; the multifunctional detection module A also comprises an insulating heat conduction layer 5 covering the surfaces of the induction electrode plate 2 and the temperature sensor 3, and the insulating heat conduction layer 5 is a ceramic layer or a glass layer; at least part of the multifunctional detection module A extends into the inner cavity of the kettle body 1 to be in direct contact with liquid, so that the interlayer is an insulating heat conduction layer 5, and the induction electrode slice 2 and the temperature sensor 3 are effectively isolated from the liquid.
The present embodiment can eliminate the provision of the elastic member 4.
Other parts not described above are the same as those of the first embodiment, and are not explained in detail here.
The foregoing is a preferred embodiment of the present invention showing and describing the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and the scope of the invention is to be protected. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A multifunctional detection module of an electric kettle comprises a kettle body (1) and/or a host (9); the method is characterized in that: the multifunctional detection module (A) is arranged on the kettle body (1) or the host (9); the multifunctional detection module (A) comprises an induction electrode plate (2) used for inducing the capacitance value of liquid in the kettle body (1) and/or a temperature sensor (3) used for detecting the temperature of the liquid in the kettle body (1), and a module base body (8), wherein the induction electrode plate (2) and/or the temperature sensor (3) are arranged on the module base body (8); an interlayer for preventing the sensing electrode slice (2) and/or the temperature sensor (3) from being in direct contact with liquid is arranged between the sensing electrode slice and the liquid; the host (9) or the multifunctional detection module (A) is provided with a detection circuit, and the induction electrode plate (2) is electrically connected with the detection circuit.
2. The multifunctional detection module of the electric kettle according to claim 1, characterized in that: the module base body (8) is a circuit board, and the sensing electrode plates (2) and/or the temperature sensors (3) and the detection circuit are arranged on the module base body (8).
3. The multifunctional detection module of the electric kettle according to claim 1, characterized in that: the multifunctional detection module (A) further comprises a light-emitting element (6), and the light-emitting element (6) is arranged on the module base body (8) and connected with the detection circuit.
4. The multifunctional detection module of the electric kettle according to claim 3, characterized in that: the multifunctional detection module (A) further comprises a light guide layer (7) arranged on the module base body (8), and the light emitting element (6) corresponds to the light guide layer (7).
5. The multifunctional detection module of the electric kettle according to claim 1, characterized in that: the multifunctional detection module (A) is arranged on the host (9), at least part of the induction electrode slice (2) and/or the temperature sensor (3) is attached to the outer surface of the kettle body (1), and the interlayer comprises the side wall of the kettle body (1).
6. The multifunctional detection module of the electric kettle of claim 5, wherein: the kettle body (1) or the host (9) is provided with a conducting strip (10), a large-range detection area is arranged on the conducting strip (10) and corresponds to liquid in the kettle body (1), the sensing electrode plate (2) touches and is electrically connected with the conducting strip (10), and the interlayer further comprises the conducting strip (10).
7. The multifunctional detection module of the electric kettle of claim 6, wherein: the detection end of the temperature sensor (3) is provided with a heat conduction layer, and the heat conduction layer is located between the temperature sensor (3) and the conducting strip (10).
8. The multifunctional detection module of the electric kettle according to claim 1, characterized in that: the multifunctional detection module (A) further comprises an insulating heat conduction layer (5) covering the surfaces of the induction electrode plates (2) and/or the temperature sensors (3), and the interlayer is the insulating heat conduction layer (5) or the combination of the insulating heat conduction layer (5) and the side wall of the kettle body (1).
9. The multifunctional detection module of the electric kettle according to claim 1, characterized in that: the multifunctional detection module (A) arranged on the host (9) is elastically jointed with the outer surface of the kettle body (1) through the elastic piece (4).
10. The multifunctional detection module of the electric kettle according to claim 1, characterized in that: the multifunctional detection module further comprises a buzzer for alarming and/or prompting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020471636.5U CN212382490U (en) | 2020-04-02 | 2020-04-02 | Multifunctional detection module of electric kettle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020471636.5U CN212382490U (en) | 2020-04-02 | 2020-04-02 | Multifunctional detection module of electric kettle |
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| CN212382490U true CN212382490U (en) | 2021-01-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113558486A (en) * | 2021-08-30 | 2021-10-29 | 广东天际电器股份有限公司 | Dry-burning-preventing cooking equipment and dry-burning-preventing detection method thereof |
-
2020
- 2020-04-02 CN CN202020471636.5U patent/CN212382490U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113558486A (en) * | 2021-08-30 | 2021-10-29 | 广东天际电器股份有限公司 | Dry-burning-preventing cooking equipment and dry-burning-preventing detection method thereof |
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