CN213129123U

CN213129123U - Novel liquid heater

Info

Publication number: CN213129123U
Application number: CN202021147834.2U
Authority: CN
Inventors: 吴见
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-05-07
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a novel liquid heater. The utility model discloses a kettle body and base, kettle body below are equipped with the drain pan, and the drain pan passes through the coupler with the base to be connected its characterized in that: the electric kettle is characterized in that a bottom plate at the bottom of the kettle body is made of high-temperature-resistant glass materials, an anti-dry heating device is arranged on the bottom plate, an electric ceramic heater, a mica sheet, a protective cover, a fixed support and a temperature controller are arranged below the bottom plate, the electric ceramic heater is attached to the center of the bottom plate, the mica sheet is located below the electric ceramic heater, and the electric ceramic heater and the mica sheet are located in the protective cover; the protective cover is connected with the fixed bracket through a plurality of fixing pieces; the temperature controller is arranged outside the protective cover and fixed on the fixed support, and the power supply of the electric heater is cut off when a small amount of water is left in the electric heater through the dry burning prevention device, so that the problem of dry burning prevention is fundamentally solved, and the electric heater has the characteristics of ingenious design, safety, practicability, health and sanitation.

Description

Novel liquid heater

Technical Field

The utility model relates to a novel liquid heater.

Background

The first method is that two metal elastic sheets (the working principle of the metal elastic sheets is almost the same as that of a bounce temperature controller) made of different materials and with different deformation temperatures are additionally arranged at the bottom of the liquid heater and on a coupler, the metal elastic sheets are tightly attached to the bottom of a kettle, water in the kettle can be heated all the time until the water is dried, the temperature of a heating element rises sharply, and the metal elastic sheets positioned at the bottom of a heating plate can rise sharply due to the heat conduction effect, expand and deform, and turn off a power supply. After the metal elastic sheet is repeatedly deformed for many times and reaches a fatigue value, the metal elastic sheet can lose efficacy, so that the risk of fire due to excessive dry burning exists.

The second method is that the bottom of the traditional liquid heater is made of metal material, an electrode is arranged on the metal bottom and used for sensing whether water exists in the kettle, and the electrode and the metal bottom form a conductive loop through the water so as to sense whether the water exists in the kettle. The metal bottom of the liquid heater releases heavy metals into liquid after being repeatedly heated at high temperature by the heater, and the heavy metals enter a human body through the liquid to have certain adverse effect on the human body.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a novel liquid heater is to provide, it can effectively solve liquid heater and prevent dry combustion method's problem, still leaves a little water time in its inside, just cuts off the power of electric ceramic heater to fundamentally solves prevents dry combustion method's problem, owing to adopt high temperature resistant glass bottom plate, can not appear the problem of heavy metal release moreover, has design benefit, safe practicality, healthy and sanitary characteristics.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a novel liquid heater, includes the kettle body and base, kettle body below is equipped with the drain pan, and the drain pan passes through the coupler with the base to be connected its characterized in that: the electric kettle is characterized in that a bottom plate at the bottom of the kettle body is made of high-temperature-resistant glass materials, an anti-dry heating device is arranged on the bottom plate, an electric ceramic heater, a mica sheet, a protective cover, a fixed support and a temperature controller are arranged below the bottom plate, the electric ceramic heater is attached to the center of the bottom plate, the mica sheet is located below the electric ceramic heater, and the electric ceramic heater and the mica sheet are located in the protective cover;

the protective cover is connected with the fixed bracket through a plurality of fixing pieces;

the temperature controller is arranged outside the protective cover and fixed on the fixed support.

Furthermore, the dry burning prevention device comprises a temperature sensor, a heat conduction piece, a sealing pipe, a sealing gasket and a grounding sleeve, wherein the heat conduction piece comprises a heat conduction head and an extension pipe, a pipe cavity in the extension pipe extends into the heat conduction head, and the temperature sensor is positioned at the top end of the pipe cavity in the heat conduction head;

the lower end of the sealing pipe is provided with an extension sleeve, and the extension pipe of the heat conducting piece is inserted into the first inner pipe cavity of the sealing pipe and extends downwards to the lower part of the grounding sleeve;

the grounding sleeve comprises a limiting part, a thread pipe and an inner pipe cavity II which penetrates through the limiting part and the thread pipe, the extension sleeve is arranged in the inner pipe cavity II, and the sealing gasket is sleeved on the thread pipe;

the sealing tube is made of insulating material;

the heat conducting piece and the grounding sleeve are made of conductive materials and are electrically connected through liquid in the kettle body to form a conductive loop.

Further, the kettle further comprises a large gasket and a large nut which are matched with the thread pipe, the large gasket and the large nut are arranged below the kettle body, and the large nut is used for fixing the sealing gasket and the grounding sleeve at the bottom of the kettle body.

Furthermore, the lower end of the extension pipe is provided with a thread part, the thread part is provided with a small gasket and a small nut, the small nut is used for fixing the heat conducting piece and the sealing pipe on the grounding sleeve, and the small gasket is made of insulating materials.

Furthermore, a big circular hole matched with the protection cover is arranged on the bottom shell, and a fixing sleeve used for placing the temperature controller is arranged on the outer side of the big circular hole.

The utility model discloses an foretell technical scheme has overcome the not enough of background art, provides a new and novel liquid heater, and it can effectively solve liquid heater and prevent dry combustion method's problem, still leaves a little water time in its inside, just has cut off the power of electric ceramic heater to fundamentally solves prevents dry combustion method's problem, owing to adopt high temperature resistant glass bottom plate, can not appear the problem of heavy metal release moreover, has design benefit, safe practicality, healthy and sanitary characteristics.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1.

FIG. 3 is a schematic view of the bottom structure of the middle kettle body.

Fig. 4 is a schematic structural diagram of the dry burning prevention device of the present invention.

In the figure: the electric heating kettle comprises a kettle body 1, a bottom plate 101, a base 2, a bottom shell 3, a coupler 4, an anti-dry heating device 5, a temperature sensor 501, a heat conducting piece 502, a sealing pipe 503, a sealing gasket 504, a grounding sleeve 505, a heat conducting head 506, an extension pipe 507, an extension sleeve 508, a first inner pipe 509, a limiting part 5010, a thread pipe 5011, a second inner pipe 5012, a large gasket 5013, a large nut 5014, a thread part 5015, a small gasket 5016, a small nut 5017, an electric ceramic heater 6, a mica sheet 7, a protective cover 8, a fixing support 9, a large round hole 901, a fixing sleeve 902, a fixing part 10 and a temperature controller 11.

Detailed Description

The following description of the embodiments refers to the accompanying drawings for illustrating the specific embodiments in which the invention may be practiced. Directional phrases used herein, such as, for example, upper, lower, front, rear, left, right, inner, outer, lateral, and the like, refer only to the accompanying drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.

The technical solution and the advantages of the present invention will be more clear and clear by further describing the embodiments of the present invention with reference to the accompanying drawings.

Referring to the attached drawings 1 to 4, the utility model discloses a kettle body 1 and base 2, kettle body 1 below is equipped with drain pan 3, and drain pan 3 passes through coupler 4 with base 2 to be connected its characterized in that: the bottom plate 101 at the bottom of the kettle body 1 is made of high-temperature-resistant glass materials, the dry burning prevention device 5 is arranged on the bottom plate 101, the electric ceramic heater 6, the mica sheet 7, the protection cover 8 and the temperature controller 11 are arranged at the central position below the bottom plate 101, the electric ceramic heater 6 is attached to the central position of the bottom plate 101, the mica sheet 7 is positioned below the electric ceramic heater 6, and the electric ceramic heater 6, the mica sheet 7 and the fixing support 9 are positioned in the protection cover 8;

the protective cover 8 is connected with the fixed bracket 9 through a plurality of fixing pieces 10;

the temperature controller 11 is arranged outside the protective cover 8, and the temperature controller 11 is fixed on the fixed bracket 9.

Further, the dry burning prevention device 5 comprises a temperature sensor 501, a heat conducting member 502, a sealing tube 503, a sealing gasket 504 and a grounding sleeve 505, wherein the heat conducting member 502 comprises a heat conducting head 506 and an extension tube 507, a lumen in the extension tube 507 extends into the heat conducting head 506, and the temperature sensor 501 is positioned at the top end of the lumen in the heat conducting head 506;

an extension sleeve 508 is arranged at the lower end of the sealing tube 503, and an extension tube 507 of the heat conducting member 502 is inserted into an inner cavity I509 of the sealing tube 503 and extends downwards to the lower part of the grounding sleeve 505;

the grounding sleeve 505 comprises a limiting part 5010, a threaded pipe 5011 and a second inner pipe cavity 5012 penetrating through the limiting part 5010 and the threaded pipe 5011, the extension sleeve 508 is arranged in the second inner pipe cavity 5012, and the sealing gasket 504 is sleeved on the threaded pipe 5011;

the sealing tube 503 is made of an insulating material;

the heat conducting member 502 and the grounding sleeve 505 are made of conductive materials, and are electrically connected through liquid in the kettle body 1 to form a conductive loop.

Further, the kettle further comprises a large gasket 5013 and a large nut 5014 which are matched with the threaded pipe 5011, wherein the large gasket 5013 and the large nut 5014 are arranged below the kettle body 1, and the large nut 5014 is used for fixing the sealing gasket 504 and the grounding sleeve 505 at the bottom of the kettle body 1.

Further, a screw thread portion 5015 is arranged at the lower end of the extension pipe 507, a small gasket 5016 and a small nut 5017 are arranged on the screw thread portion 5015, the small nut 5017 is used for fixing the heat conducting member 502 and the sealing pipe 503 on the grounding sleeve 505, and the small gasket 5016 is made of an insulating material.

Furthermore, the fixed support 9 is provided with a large circular hole 901 matching with the protective cover 8, and a fixing sleeve 902 used for placing the temperature controller 11 is arranged outside the large circular hole 901.

When the pot 1 is used, the liquid (such as water) in the pot body 1 reaches or exceeds the height of the heat conducting head 506 on the heat conducting member 502, the heat conducting member 502 is electrically connected with the grounding sleeve 505 through the liquid in the pot body 1 to form a conductive loop, and in some cases, the electric ceramic heater 6 can be connected with the power supply. When the liquid level in the kettle body 1 is lower than the heat conducting head 506, the heat conducting member 502 and the grounding sleeve 505 cannot form an electric loop, and the electric ceramic heater 6 cannot be powered on. The height of the sealing pipe 503 is equivalent to the lowest water amount in the kettle body 1, no matter whether the liquid in the kettle body 1 is used up by pouring or is heated continuously to be dried, as long as the water amount is lower than the height of the sealing pipe 503, the electric ceramic heater 6 cannot be powered on and cannot be heated, and therefore the possibility of drying and heating is fundamentally avoided.

After the electric ceramic heater 6 is electrified, electric energy is directly converted into heat energy, meanwhile, non-dazzling light can be emitted, light emitted by the electric ceramic heater 6 can be seen through the light transmission of the high-temperature-resistant glass bottom plate 101, the working condition of the electric ceramic heater 6 can be intuitively solved, and the transparent liquid is very good in appearance and has certain ornamental value. Meanwhile, the chemical property and the physical property of the bottom plate 101 made of the high-temperature-resistant glass are very stable, and the problem of heavy metal release can not occur under the repeated heating of the electric ceramic heater 6, so that the electric ceramic heater is very helpful for human health.

The mica sheet 7 can insulate heat and insulate, so that the heat of the electric ceramic heater 6 can be more concentrated on the kettle body 1, and the utilization of the heat is improved.

The preset power-off temperature of the temperature controller 11 is above 100 ℃, the working principle of the temperature controller is purely physical, and as long as the temperature in the bottom plate 101 and the temperature in the fixed sleeve 902 are higher than the preset power-off temperature, the temperature controller 11 can automatically cut off the power supply of the electric ceramic heater 6. Therefore, the thermostat 11 is a second safety for the liquid heater.

From the above description of the construction and principles, those skilled in the art will appreciate that the present invention is not limited to the above-described embodiments, but rather, that modifications and substitutions based on the teachings of the present invention using techniques well known in the art are intended to be included within the scope of the present invention as defined by the following claims.

Claims

1. The utility model provides a novel liquid heater, includes the kettle body and base, kettle body below is equipped with the drain pan, and the drain pan passes through the coupler with the base to be connected its characterized in that: the electric kettle is characterized in that a bottom plate at the bottom of the kettle body is made of high-temperature-resistant glass materials, an anti-dry heating device is arranged on the bottom plate, an electric ceramic heater, a mica sheet, a protective cover, a fixed support and a temperature controller are arranged below the bottom plate, the electric ceramic heater is attached to the center of the bottom plate, the mica sheet is located below the electric ceramic heater, and the electric ceramic heater and the mica sheet are located in the protective cover;

2. The new liquid heater as claimed in claim 1, wherein: the dry burning prevention device comprises a temperature sensor, a heat conduction piece, a sealing pipe, a sealing gasket and a grounding sleeve, wherein the heat conduction piece comprises a heat conduction head and an extension pipe, a pipe cavity in the extension pipe extends into the heat conduction head, and the temperature sensor is positioned at the top end of the pipe cavity in the heat conduction head;

the sealing tube is made of insulating material;

3. A novel liquid heater as claimed in claim 2, wherein: the kettle also comprises a large gasket and a large nut which are matched with the thread pipe, the large gasket and the large nut are arranged below the kettle body, and the large nut is used for fixing the sealing gasket and the grounding sleeve at the bottom of the kettle body.

4. A novel liquid heater as claimed in claim 2, wherein: the extension pipe lower extreme is equipped with thread portion, is equipped with little gasket and little nut in the thread portion, and little nut is used for fixing heat-conducting piece and sealed tube on ground sleeve, and little gasket is insulating material and makes.

5. The new liquid heater as claimed in claim 1, wherein: the fixed bolster is adhesive connection with kettle body bottom, is equipped with the great circle hole with safety cover matched with on the fixed bolster, and the great circle hole outside is equipped with the fixed sleeving that is used for placing the temperature controller.