CN109247821B - Electric kettle with filter screen - Google Patents
Electric kettle with filter screen Download PDFInfo
- Publication number
- CN109247821B CN109247821B CN201811233498.0A CN201811233498A CN109247821B CN 109247821 B CN109247821 B CN 109247821B CN 201811233498 A CN201811233498 A CN 201811233498A CN 109247821 B CN109247821 B CN 109247821B
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- kettle
- filter screen
- electric
- electric heating
- kettle body
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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
- A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
-
- 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
- A47J27/21166—Constructional details or accessories
Abstract
The invention discloses an electric kettle with a filter screen, which consists of the filter screen, a kettle body, an electric heating base, a heating power supply, a kettle handle and a kettle cover. The center of the filter screen is of a concave structure, and fixing claws are arranged on the periphery of the filter screen; a filter screen supporting and fixing rail and a filter screen lock are arranged in the kettle body to support, fix and lock the filter screen; a temperature measuring and heating element and a relay are arranged in the electric heating base; the heating power supply is used for supplying required electric power to the electric heating base; the kettle handle is provided with a temperature control display module, an electric heating switch and an electric contactor; the kettle cover is fixed on the kettle handle through a rotating shaft at the tail part of the kettle cover, a convex structure is arranged on the side of the kettle cover facing the kettle body, and the convex structure is matched with the concave structure on the filter screen; the electric kettle has the main functions of preventing foreign matters from being stuffed into the electric kettle for cooking by arranging the filter screen and the filter screen locking device, is particularly suitable for sanitary drinking water in public places such as hotels, hotels and the like, and has wide application prospect.
Description
Technical Field
The invention relates to the technical field related to household electrical equipment, in particular to an electric kettle with a filter screen.
Background
In daily life, the electric kettle is a common electric appliance for quickly boiling water, but in public places such as hotels and guest houses, people often boil other things in the kettle to influence the sanitary use of the kettle.
Disclosure of Invention
The invention aims to overcome the technical limitation that the sanitation use is influenced because foreign matters are easy to be stuffed in the electric kettle adopted in the prior public place, and provides a novel electric kettle design with a filter screen, which has the characteristics of simple structure, convenient use, novel design and the like; the adoption of the filter screen structure and the four-terminal electric contactor avoids the situation that foreign matters are plugged into the kettle for cooking from the aspects of an assembly structure and circuit control.
The invention adopts the following scheme: an electric kettle with a filter screen comprises the filter screen, a kettle body, an electric heating base, a heating power supply, a kettle handle and a kettle cover; the filter screen is arranged at the top of the inner side of the kettle body, is fixed by a supporting fixed rail at the top of the inner side of the kettle body and is locked by a filter screen lock on the kettle body so as to prevent the filter screen from being taken out of the kettle body; the electric heating base is positioned at the bottom of the kettle body; the heating power supply is used for supplying electric heating power to the electric heating base; the kettle handle is positioned on the outer side surface of the kettle body; the kettle cover is fixed on the upper part of the kettle handle through a rotating shaft at the tail part of the kettle cover, and a conductive metal sheet is processed at the rear part of the rotating shaft at the tail part of the kettle cover.
The kettle handle is provided with a temperature control display module, an electric heating switch and an electric contactor, the electric contactor is provided with four terminals, wherein two terminals at the upper side are matched with the electric heating switch, and two terminals at the lower side are matched with a conductive metal sheet at the tail part of the kettle cover to jointly realize the opening and closing functions of a heating circuit; the temperature control display module is used for controlling the electric heating base to realize heating temperature display and temperature setting of the kettle; the heating power supply is used for providing electric power required by heating for the electric heating base.
The filter screen is made of a food-grade stainless steel wire mesh structure, fixing claws are processed on the periphery of the filter screen, and a concave net-shaped structure is arranged in the center of the filter screen; the kettle body is made of transparent heat-resistant glass and is in the shape of a hollow semi-closed cylindrical or truncated cone-shaped basic kettle; a water outlet nozzle is arranged above the kettle body, and a metal wire mesh is arranged above the inner side of the nozzle to prevent foreign matters from being plugged into the kettle body from the water outlet nozzle; a filter screen supporting fixed rail is processed at the top of the inner side of the kettle body, the supporting fixed rail is of an upper layer structure and a lower layer structure, the bottom layer is a uniform annular supporting rail, and the upper layer is a fixed rail with a notch; the fixed claw of filter screen is put into through breach on the fixed rail support fixed rail in realize the support of filter screen and fixed to the filter screen can rotate in this support fixed rail.
The kettle body is provided with a filter screen lock, and the position of the filter screen lock is opposite to the notch of the kettle body fixed rail; the filter screen stationary dog is rotatable in supporting the fixed rail, and when the stationary dog on the filter screen rotated from the fixed rail breach position, use filter screen lock on the kettle body locks the filter screen, will follow the filter screen takes out in supporting the fixed rail, must open with special key the filter screen lock.
The conductive metal sheet at the tail part of the kettle cover is respectively corresponding to the disconnection and contact states of two terminals at the upper side of an electric contactor in the kettle handle along with the opening and closing of the kettle cover; when an electric heating switch on the kettle handle is pressed down and lifted up, the two terminals corresponding to the lower side of the electric contactor are in contact and disconnected states respectively; the electric contactor has the function that only when two conditions of closing the kettle cover and pressing the electric heating switch are met simultaneously, the electric heating circuit of the whole kettle can be conducted; the electric heating base and the temperature control display module on the kettle handle work in a matched mode, and temperature control in the kettle is achieved.
Compared with the prior art, the invention prevents the foreign matter from being plugged into the kettle body of the electric kettle for cooking through two aspects of knot assembly structure design and circuit control design, and has the beneficial effects that:
(1) the filter screens are arranged at the top of the kettle body and inside the spout of the water outlet kettle to prevent foreign matters from being plugged into the kettle.
(2) The central concave structure of the filter screen is matched with the central convex structure of the kettle cover, and only when the kettle cover completely covers the kettle body and the electric heating switch is in an open state, the heating circuit can be conducted to carry out electric heating water boiling.
(3) The electric kettle can set and display the water temperature in the kettle as required, and avoids the foreign matters from being plugged in the kettle body through the structure and the circuit design, thereby obviously improving the sanitary condition of the electric kettle in public places such as hotels and the like.
Drawings
Fig. 1 is a three-dimensional schematic view of an electric kettle with a filter screen according to the invention.
Fig. 2 is a schematic three-dimensional structure of a screen.
FIG. 3 is a partially enlarged view of the top support rail and the screen lock.
Fig. 4 is a three-dimensional structure diagram of the kettle lid and the kettle handle.
FIG. 5 is a schematic diagram of circuit control of the electric kettle
Description of reference numerals: 1-filter screen, 2-kettle body, 3-electric heating base, 4-heating power supply, 5-kettle handle, 6-kettle cover, 11-fixed claw, 12-concave wire mesh structure, 21-water outlet kettle mouth, 22-filter screen lock, 23-supporting fixed rail, 51-temperature display module, 52-electric heating switch, 53-electric contactor, 61-rotating shaft, 62-conductive metal sheet, 231-annular supporting rail and 232-fixed rail.
Detailed description of the preferred embodiments
The invention provides an electric kettle with a filter screen, and in order to further understand the structure and the characteristics of the invention, the content of the invention is further described in detail by combining the attached drawings and the specific embodiment.
Fig. 1 is a three-dimensional schematic view of an electric kettle with a filter screen, fig. 2 is a three-dimensional structural schematic view of the filter screen, fig. 3 is a partially enlarged schematic view of a support fixing rail and a filter screen lock at the top of the kettle body, and fig. 4 is a three-dimensional structural schematic view of a kettle handle.
As shown in figure 1, the electric kettle with the filter screen comprises the filter screen 1, a kettle body 2, an electric heating base 3, a heating power supply 4, a kettle handle 5, a kettle cover 6 and the like. The filter screen 1 is positioned at the top of the inner side of the kettle body 2, is supported and fixed by a supporting and fixing rail 23 at the top of the inner side of the kettle body 2, and is locked by a filter screen lock 22 on the kettle body to prevent the filter screen 1 from being taken out of the kettle body 2; a concave structure 12 is processed at the central part of the filter screen 1; the electric heating base 3 is positioned at the bottom of the kettle body 2; the heating power supply 4 is used for supplying electric heating power to the electric heating base 3; the kettle handle 5 is positioned on the outer side surface of the kettle body 1; the kettle cover 6 is fixed on the upper part of the kettle handle 5 through a rotating shaft 61 at the tail part of the kettle cover, a conductive metal sheet 62 is processed at the rear part of the rotating shaft at the tail part of the kettle cover, and a convex structure 63 is arranged at one side of the kettle cover facing the kettle body; the kettle handle 5 is provided with a temperature control display module 51, an electric heating switch 52 and an electric contactor 53, wherein the electric contactor 53 is provided with four terminals, two terminals at the upper side are matched with the electric heating switch 52, and two terminals at the lower side are matched with a conductive metal sheet 62 at the tail part of the kettle cover to jointly realize the opening and closing functions of a heating circuit; the temperature control display module 51 is used for controlling the electric heating base 3 to realize the heating temperature display and temperature setting of the kettle.
As shown in fig. 2, the filter screen 1 is of a food-grade stainless steel wire mesh structure, the circumference of the filter screen is provided with fixing claws 11, the center of the filter screen is provided with a concave mesh structure 12, and the concave mesh structure is matched with a convex structure 63 on the pot cover.
The kettle body 2 is made of transparent heat-resistant glass and is in the shape of a hollow semi-closed cylindrical or truncated cone-shaped basic kettle; a water outlet spout 21 is arranged above the kettle body 2, and a metal wire mesh is arranged above the inner side of the spout to prevent foreign matters from being plugged into the kettle body 2 from the spout; as shown in fig. 3, a filter screen supporting fixed rail 23 is processed at the top of the inner side of the kettle body, the supporting fixed rail 23 has an upper layer and a lower layer, the bottom layer is a uniform annular supporting rail 231, and the upper layer is a fixed rail 232 with a notch; the fixed claw 11 of the filter screen is placed into the supporting fixed rail 23 through the notch on the fixed rail to realize the supporting and fixing of the filter screen 1; the sieve 1 can rotate in the supporting fixed rail 23. The kettle body 2 is provided with a filter screen lock 22, and the filter screen lock 22 is opposite to the notch of the kettle body fixed rail 232; the filter screen fixing claw 11 can rotate in the supporting fixing rail 23, when the fixing claw 11 on the filter screen rotates away from the gap position of the fixing rail 232, the filter screen lock 22 on the kettle body is used for locking the filter screen 1, and the filter screen lock 22 needs to be opened by a key when the filter screen 1 is taken out from the supporting fixing rail 23.
As shown in fig. 4, the conductive metal sheet 62 at the tail of the kettle lid 6 is respectively disconnected and contacted with the two contacts at the upper side of the electric contactor 53 on the kettle handle 5 along with the opening and closing of the kettle lid 6; when the electric heating switch 52 on the kettle handle 5 is pressed down and lifted up, the electric heating switch is respectively contacted with and disconnected with two contacts on the lower side of the electric contactor 53; the electric contactor 53 has the function that the electric heating circuit of the whole kettle can be conducted only when the two conditions of closing the kettle cover 6 and pressing the electric heating switch 52 are met simultaneously; the electric heating base 3 is matched with the intelligent temperature control display module 51 on the kettle handle to realize the setting and display of the water temperature.
As shown in fig. 5, the working principle of the circuit control system of the electric kettle is as follows: the heating power supply provides electric power required by the operation of the kettle; the circuit system of the whole kettle can be divided into a temperature display and control unit and a heating unit; the working temperature of the kettle is set and displayed through a temperature control display module 51 on the kettle handle, the temperature control display module logically compares the temperature measured by the temperature measuring element with the set temperature, when the measured temperature is lower than the set temperature, the relay is kept in a conducting state, and when the measured temperature reaches the set temperature, the temperature control display module 51 cuts off the relay, so that the heating loop is broken; the heating circuit comprises heating power supply 4, the electrical heating switch 52 on the kettle handle, electrical contactor 53, the conducting metal sheet 62 and the relay at kettle lid afterbody, only satisfies simultaneously that electrical heating switch 52 is closed, under the kettle lid makes conducting metal sheet 62 and electrical contactor 53 contact and relay switch on these three conditions, the heating circuit forms closed circuit and carries out normal heating, when there is any foreign matter to lead to the unable complete closure of kettle lid or heating switch 52 disconnection or relay disconnection between kettle lid 5 and filter screen 1, all can't heat.
Compared with the prior art, the invention prevents the foreign matter from being plugged into the kettle body of the electric kettle for cooking through two aspects of knot assembly structure design and circuit control design, and has the beneficial effects that: (1) the filter screen and the filter screen lock are arranged at the top of the kettle body and inside the water outlet kettle nozzle, so that foreign matters are prevented from being stuffed into the kettle; (2) the central concave structure of the filter screen is matched with the central convex structure of the kettle cover, foreign matters are placed between the filter screen and the kettle cover, and the heating circuit can be conducted to electrically heat and boil water only when the kettle cover completely covers the kettle body and the electric heating switch is in an open state; (3) the electric kettle can set and display the water temperature in the kettle as required, and avoids the foreign matters from being plugged in the kettle body through the structure and the circuit design, thereby meeting the requirement of sanitary drinking water in public places such as hotels, restaurants and the like.
It should be noted that the above summary and the detailed description are intended to demonstrate the practical application of the technical solutions provided by the present invention, and should not be construed as limiting the scope of the present invention. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the invention. The scope of the invention is to be determined by the appended claims.
Claims (6)
1. An electric kettle with a filter screen is characterized in that the electric kettle with the filter screen consists of the filter screen (1), a kettle body (2), an electric heating base (3), a heating power supply (4), a kettle handle (5) and a kettle cover (6); wherein the content of the first and second substances,
the filter screen (1) is positioned at the top of the inner side of the pot body (2), is fixed by a supporting fixed rail (23) at the top of the inner side of the pot body (2), and is locked by a filter screen lock (22) on the pot body (2) to prevent the filter screen (1) from being taken out of the pot body (2); the periphery of the filter screen (1) is provided with a fixed claw (11), the center of the filter screen (1) is provided with a concave net-shaped structure (12), and the concave net-shaped structure (12) is matched with a convex structure (63) on the pot cover (6);
the electric heating base (3) is positioned at the bottom of the kettle body (2); the heating power supply (4) is used for supplying electric power to the electric heating base (3); the kettle handle (5) is positioned on the outer side surface of the kettle body (1); the kettle cover (6) is fixed on the upper part of the kettle handle (5) through a rotating shaft (61) at the tail part, a conductive metal sheet (62) is processed behind the rotating shaft (61), and a convex structure (63) is arranged on one side of the kettle cover (6) facing the kettle body (2);
a temperature control display module (51), an electric heating switch (52) and an electric contactor (53) are arranged on the kettle handle (5); the electric contactor (53) is provided with four terminals, two terminals on the upper side are matched with the electric heating switch (52), and two terminals on the lower side are matched with the conductive metal sheet (62) of the rotating shaft (61) to jointly realize the opening and closing functions of the heating circuit; the temperature control display module (51) is used for controlling the electric heating base (3) so as to realize temperature display and temperature setting of the kettle.
2. The electric kettle with the filter screen as claimed in claim 1, wherein the filter screen (1) is of a food-grade stainless steel wire mesh structure.
3. The electric kettle with the filter screen as claimed in claim 1, wherein the kettle body (2) is made of transparent heat-resistant glass, and the kettle body (2) is shaped as a hollow semi-closed cylinder; a water outlet nozzle (21) is arranged above the kettle body (2), and a metal wire mesh is arranged above the inner side of the kettle body to prevent foreign matters from being plugged into the kettle body (2) from the water outlet nozzle (21); a filter screen supporting fixed rail (23) is processed at the top of the inner side of the pot body (2); the supporting fixed rail (23) is of an upper-layer structure and a lower-layer structure, the bottom layer is a uniform annular supporting rail (231), and the upper layer is a fixed rail (232) with a notch; the fixed claw (11) of the filter screen is placed in the supporting fixed rail (23) through a gap on the fixed rail (232) to realize the support and fixation of the filter screen (1); the filter screen (1) can rotate in the supporting fixed rail (23).
4. The electric kettle with the filter screen as claimed in claim 1, wherein the kettle body (2) is provided with a filter screen lock (22) which is opposite to the gap of the kettle body fixing rail (232); the filter screen fixing claw (11) can rotate in the supporting fixing rail (23); when the fixed claw (11) on the filter screen rotates away from the gap of the fixed rail (232), the filter screen (1) is locked by using the filter screen lock (22) on the kettle body (2); the filter screen (1) is taken out of the supporting fixed rail (23), and the filter screen lock (22) is opened by a key.
5. The electric kettle with the filter screen as claimed in claim 1, wherein the conductive metal sheet (62) at the tail of the kettle cover (6) is respectively disconnected and contacted with two contacts at the upper side of the electric contactor (53) on the kettle handle (5) along with the opening and closing of the kettle cover (6); when an electric heating switch (52) on the kettle handle (5) is pressed down and lifted up, the electric heating switch is respectively contacted with and disconnected with two contacts on the lower side of an electric contactor (53); the electric contactor (53) can be conducted when the kettle cover (6) is closed and the electric heating switch (52) is pressed.
6. The electric kettle with the filter screen as claimed in claim 1, wherein a temperature measuring element, an electric heating element and a relay are integrated in the electric heating base (3); the electric heating base (3) is matched with a temperature control display module (51) on the kettle handle (5) to realize the setting and display of the water temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811233498.0A CN109247821B (en) | 2018-10-23 | 2018-10-23 | Electric kettle with filter screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811233498.0A CN109247821B (en) | 2018-10-23 | 2018-10-23 | Electric kettle with filter screen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109247821A CN109247821A (en) | 2019-01-22 |
| CN109247821B true CN109247821B (en) | 2021-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811233498.0A Active CN109247821B (en) | 2018-10-23 | 2018-10-23 | Electric kettle with filter screen |
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| CN (1) | CN109247821B (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209106984U (en) * | 2018-06-05 | 2019-07-16 | 谭晓峰 | The dedicated separation net closed type hot kettle in hotel |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101320276B (en) * | 2008-06-30 | 2013-02-06 | 宁波大学 | Electronic control system and control method of electric kettle |
| CN204351642U (en) * | 2014-12-12 | 2015-05-27 | 唐海航 | A kind of pot lid structure of insulating pot |
| CN105476476A (en) * | 2015-11-27 | 2016-04-13 | 苏州市赛品电器有限公司 | Heat dissipation filter buffer pot lid |
| CN206560323U (en) * | 2016-11-11 | 2017-10-17 | 广东美的生活电器制造有限公司 | Liquid heater |
| CN206995079U (en) * | 2017-01-17 | 2018-02-13 | 深圳市发改未网络科技有限公司 | A kind of hot kettle of Multi-functional electricity-using |
| CN207693443U (en) * | 2017-07-03 | 2018-08-07 | 中山市美斯特实业有限公司 | A kind of pot lid has the electric kettle of disinfecting and sterilizing functions |
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2018
- 2018-10-23 CN CN201811233498.0A patent/CN109247821B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209106984U (en) * | 2018-06-05 | 2019-07-16 | 谭晓峰 | The dedicated separation net closed type hot kettle in hotel |
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| CN109247821A (en) | 2019-01-22 |
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