CN219048077U

CN219048077U - Dry heating prevention device and heating container with same

Info

Publication number: CN219048077U
Application number: CN202223431453.9U
Authority: CN
Inventors: 杨玲萍
Original assignee: Xiamen Yitaisheng Electronics Co ltd
Current assignee: Xiamen Yitaisheng Electronics Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-23
Anticipated expiration: 2032-12-20

Abstract

The utility model discloses a dry burning prevention device and a heating container with the same, wherein the dry burning prevention device comprises two detection electrodes and a main control system; the utility model is provided with two detection electrodes and a main control system, wherein the lower part of one detection electrode is sleeved with an insulating sleeve, the main control system is provided with a control circuit and a controlled circuit, the two detection electrodes are electrically connected with the control circuit and used for triggering the control circuit, and the control circuit is electrically connected with the controlled circuit and used for controlling the controlled circuit; after being applied to the heating container, the water level in the heating container triggers the control circuit through being higher than or lower than the insulating sleeve height on the detection electrode, and then cooperates the main control system to open or close the heating container for ensure that there is remaining water in the heating container, accomplish real prevent the heating container dry combustion method, avoid the problem that brings because of dry combustion method, thereby make the heating container have the advantage of quality good and long service life.

Description

Dry heating prevention device and heating container with same

Technical Field

The utility model relates to the technical field of heating containers, in particular to a dry heating prevention device and a heating container with the same.

Background

Many heating containers commonly used in life, such as a kettle, an electric steamer, a boiling water cup with a heating function, etc., are required to be spent for a period of time to boil water when the heating container is used, and users cannot always look ahead when the heating container is used, so in order to prevent the heating container from being damaged due to overheating and dry heating, dry heating prevention devices are usually arranged in the heating container.

The existing dry burning prevention device is usually a temperature monitoring probe, the temperature monitoring probe is installed in a heating cavity of a heating cavity and is electrically connected with a control circuit board of the heating container, and when the fact that the temperature in the heating cavity is too high is monitored, the heating container is automatically closed, so that the dry burning prevention purpose is achieved.

However, it is found through observation that the existing dry heating prevention device needs to wait until the water in the heating cavity is completely burned out, and the heating container is automatically closed after the temperature monitoring probe detects that the temperature exceeds a set value, so that the dry heating prevention of the heating container cannot be really achieved, and the heating container still has the defects of poor quality and short service life caused by dry heating.

In view of the above, the present inventors have developed and designed the present utility model by intensively conceived and actively studied and improved attempts to solve various drawbacks and inconveniences caused by the imperfect structural design of the heating chamber.

Disclosure of Invention

The utility model aims to provide a dry burning prevention device and a heating container with the same, so that the heating container has the advantages of good quality and long service life.

In order to achieve the above object, the solution of the present utility model is:

a dry burning prevention device comprises

The lower part of one detection electrode is sleeved with an insulating sleeve;

and the main control system is provided with a control circuit and a controlled circuit, the two detection electrodes are electrically connected with the control circuit and used for triggering the control circuit, and the control circuit is electrically connected with the controlled circuit and used for controlling the controlled circuit.

Preferably, one of the detection electrodes is installed in the other detection electrode in an insulating manner by a lower insulating sleeve.

Preferably, the dry combustion preventing device further comprises a temperature monitoring probe, and the temperature monitoring probe is electrically connected with the control circuit and used for triggering the control circuit.

Preferably, the metal shell of the temperature monitoring probe is used as one of the detection electrodes.

Preferably, the temperature monitoring probe is mounted in the other detection electrode through a lower insulating sleeve.

The utility model also provides a heating container, which comprises a container main body, a power supply, a heating element and the dry burning prevention device according to any one of the claims; a heating cavity is arranged on the container main body; the dry burning prevention device is arranged at the bottom of the container main body, and the two detection electrodes are arranged at the bottom of the heating cavity in a sealing way through the insulating sleeve; the heating piece is matched in the heating cavity and is electrically connected with a controlled circuit of the dry heating prevention device; the power supply is arranged at the bottom of the container main body and is electrically connected with the main control system of the dry burning prevention device.

Preferably, the heating container is a boiled water cup, and the heating container further comprises a container cover body and an electric shell; the container cover body is detachably covered at the upper end of the container main body; the electric shell is arranged at the bottom of the container main body, and the dry heating preventing device is arranged in the electric shell; the power supply is arranged at the bottom of the electric shell.

Preferably, the power supply includes an AC plug provided on a side wall of the electric housing and a rechargeable battery detachably mounted at a bottom of the electric housing.

Preferably, an annular electrode plate is arranged at the bottom of the electric shell and is electrically connected with the main control system; the power supply is in the bottom of electric casing, electrically conductive copper post is installed to power supply's middle part elasticity, power supply passes through electrically conductive copper post and annular electrode piece electric connection.

Preferably, the rechargeable battery is provided with an input charging socket and an output charging socket; and the power supply is also provided with a silica gel cover for covering the input charging socket and the output charging socket.

After the scheme is adopted, the insulation sleeve is sleeved at the lower part of one detection electrode, the control circuit and the controlled circuit are arranged on the main control system, the two detection electrodes are electrically connected with the control circuit and used for triggering the control circuit, and the control circuit is electrically connected with the controlled circuit and used for controlling the controlled circuit; after being applied to the heating container, the water level in the heating container triggers the control circuit through being higher than or lower than the insulating sleeve height on the detection electrode, and then cooperates the main control system to open or close the heating container for ensure that there is remaining water in the heating container, accomplish real prevent the heating container dry combustion method, avoid the problem that brings because of dry combustion method, thereby make the heating container have the advantage of quality good and long service life.

In addition, the utility model is provided with two detection electrodes and a main control system only when the main control system meets the following two conditions: 1. the two detection electrodes are conducted and trigger the control circuit due to being submerged by water; 2. a user opens the heating container through the main control system; the user can only open the heating container, so that the user can be prevented from opening the heating container by mistake under the condition of no water, and the heating container is protected.

Drawings

Fig. 1 is a schematic structural view of a first embodiment of the dry combustion preventing device of the present utility model.

Fig. 2 is a schematic sectional view showing the installation of a first embodiment of the dry combustion preventing device of the present utility model.

Fig. 3 is a schematic structural view of a heating chamber according to a preferred embodiment of the present utility model.

Fig. 4 is a schematic structural view of an electrical housing in a preferred embodiment of the heating chamber of the present utility model.

FIG. 5 is a schematic sectional view showing the installation of a second embodiment of the dry combustion preventing apparatus of the present utility model.

FIG. 6 is a schematic sectional view showing the installation of a third embodiment of the dry combustion preventing apparatus of the present utility model.

FIG. 7 is a schematic sectional view showing a fourth embodiment of the dry combustion preventing apparatus of the present utility model.

Description of main reference numerals:

in the figure: 10. a dry burning prevention device; 1. a detection electrode; 11. an insulating sleeve; 2. a master control system; 3. a temperature monitoring probe; 20. heating the container; 4. a container body; 41. heating the cavity; 5. a power supply; 51. conductive copper pillars; 52. inputting a charging socket; 53. outputting a charging socket; 54. a silica gel cover; 6. a heating member; 7. a container cover; 8. an electrical housing; 81. annular electrode plate.

Detailed Description

In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientation or positional relationship based on that shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

As shown in fig. 1 to 2, a first embodiment of a dry burning prevention device 10 according to the present utility model includes two detection electrodes 1, wherein an insulation sleeve 11 is sleeved at the lower part of one detection electrode 1; and a main control system 2, wherein the main control system 2 is provided with a control circuit and a controlled circuit, the two detection electrodes 1 are electrically connected with the control circuit for triggering the control circuit, and the control circuit is electrically connected with the controlled circuit for controlling the controlled circuit.

In use, the dry combustion device 10 of the present utility model is installed in a heating container 20 as shown in fig. 3 to 4, the heating container 20 including a container body 4, a power supply 5, a heating element 6, and the dry combustion device 10; the container body 4 is provided with a heating cavity 41; the dry heating preventing device 10 is arranged at the bottom of the container main body 4, wherein two detection electrodes 1 are hermetically arranged at the bottom of the heating cavity 41 through an insulating sleeve 11; the heating element 6 is matched in the heating cavity 41 and is electrically connected with a controlled circuit of the dry heating preventing device 10; the power supply 5 is installed at the bottom of the container body 4 and is electrically connected with the main control system 2 of the dry-heating preventing device 10.

When the heating container 20 is used, water to be boiled is firstly added into the heating cavity 41; thereafter, the master control system 2 satisfies the following two conditions: 1. the two detection electrodes 1 are conducted in liquid through water resistance and trigger a control circuit due to being submerged by water; 2. the user opens the heating container 20 through the main control system 2; after the two conditions are met simultaneously, the main control system 2 conducts the power supply 5 and the heating element 6 through the controlled circuit, so that the heating element 6 works and heats water. When water in the heating cavity 41 is quickly burnt out, once the water level in the heating cavity 41 is reduced below the insulating sleeve 11, the two detection electrodes 1 are disconnected, at the moment, the control circuit is triggered again, the power supply 5 and the heating element 6 are disconnected through the controlled circuit, the heating element 6 is closed, water is not continuously heated, and the heating element 6 is prevented from being dry due to the fact that the heating container 20 burns water.

The utility model is characterized in that the utility model is provided with two detection electrodes 1 and a main control system 2, wherein the lower part of one detection electrode 1 is sleeved with an insulating sleeve 11, the main control system 2 is provided with a control circuit and a controlled circuit, the two detection electrodes 1 are electrically connected with the control circuit for triggering the control circuit, and the control circuit is electrically connected with the controlled circuit for controlling the controlled circuit; after the water level sensor is applied to the heating container 20, the control circuit is triggered by the fact that the water level in the heating container 20 is higher or lower than the height of the insulating sleeve 11 on the detection electrode 1, and then the heating container 20 is opened or closed in cooperation with the main control system 2, so that residual water is ensured in the heating container 20, dry burning of the heating container 20 is truly prevented, problems caused by dry burning are avoided, and the heating container 20 has the advantages of being good in quality and long in service life.

Moreover, by providing two detection electrodes 1 and a master control system 2, only when the master control system 2 is satisfying the following two conditions: 1. the two detection electrodes 1 are conducted and trigger the control circuit due to being submerged by water; 2. the user opens the heating container 20 through the main control system 2; the user can open the heating container 20, so that the user can be prevented from opening the heating container 20 by mistake under the condition of no water, and the heating container 20 is protected.

Fig. 5 shows a second embodiment of the utility model, in which one detection electrode 1 is mounted in a non-conductive manner in the other detection electrode 1 by means of a lower insulating sleeve 11. Therefore, the structure is a column structure from the appearance, and has the advantages of simple structure and convenient installation.

The dry heating preventing device 10 further includes a temperature monitoring probe 3, where the temperature monitoring probe 3 is electrically connected to the control circuit for triggering the control circuit. Thus, by providing the temperature monitoring probe 3, the main control system 2 is allowed to satisfy the following three conditions: 1. the two detection electrodes 1 are conducted and trigger the control circuit due to being submerged by water; 2. the temperature monitored by the temperature monitoring probe 3 is lower than a set value and triggers a control circuit; 3. the user opens the heating container 20 through the main control system 2; after three conditions are satisfied simultaneously, the main control system 2 conducts the power supply 5 and the heating element 6 through the controlled circuit, so that the heating element 6 works and heats and burns water, but the water level in the heating cavity 41 is higher than that of the insulating sleeve 11, and under the condition that the temperature in the heating cavity 41 is too high, the controlled circuit can be triggered and the connection between the power supply 5 and the heating element 6 is disconnected through the controlled circuit, so that the heating element 6 is closed, the water is not heated continuously, the heating container 20 is prevented from being damaged due to the too high temperature, and the double insurance function is further realized.

Fig. 6 shows a third embodiment of the present utility model, wherein the metal housing of the temperature monitoring probe 3 is used as one of the detection electrodes 1. Thus, the dry burning prevention device of the present utility model can reduce the number of the detection electrode 1.

As shown in fig. 7, in a fourth embodiment of the present utility model, the temperature monitoring probe 3 is mounted in the other detection electrode 1 through the insulating cover 11 at the lower part. Therefore, the structure is a column structure from the appearance, and has the advantages of simple structure and convenient installation.

The heating container 20 of the present utility model includes, but is not limited to, a kettle, an electric steamer, a soymilk machine with heating function, a coffee machine with heating function, a boiling water cup with heating function, and the like.

The heating container 20 is a boiled water cup, and the heating container 20 further comprises a container cover 7 and an electric housing 8; the container cover 7 is detachably covered on the upper end of the container main body 4; the electric housing 8 is arranged at the bottom of the container main body 4, and the dry heating preventing device 10 is arranged in the electric housing 8; the power supply 5 is mounted at the bottom of the electrical housing 8. Therefore, a user can utilize the boiled water cup with the dry heating prevention function to heat water, and the boiled water cup has the advantages of good quality and long service life.

The power supply 5 includes an AC plug 51 provided on a side wall of the electric housing 8 and a rechargeable battery 52 detachably mounted on a bottom of the electric housing 8. Thus, the boiled water cup has various use modes, and when in household use, a user can be directly connected to a power supply through the AC plug 51; when the cup is used outside, the rechargeable battery 52 can supply power to the cup.

The bottom of the electric shell 8 is provided with an annular electrode plate 81, and the annular electrode plate 81 is electrically connected with the main control system 2; the power supply 5 is in threaded connection with the bottom of the electric housing 8, the middle part of the power supply 5 is elastically provided with a conductive copper column 53, and the power supply 5 is electrically connected with the annular electrode plate 81 through the conductive copper column 53. Thus, the conductive wire has the advantages of firm and stable connection and good conductivity.

The rechargeable battery 52 is provided with an input charging socket 54 and an output charging socket 55. Therefore, the power supply 5 can be detached to charge other electric equipment such as a mobile phone, and the power supply 5 has the function of a mobile power supply.

The power supply 5 is further provided with a silica gel cover 56 for covering the input charging socket 54 and the output charging socket 55. By providing the silicone cover 56, it functions to prevent dust and protect the input charging jack 54 and the output charging jack 55.

The foregoing description of specific exemplary embodiments of the utility model has been presented for the purposes of illustration and description, but is not intended to limit the utility model to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teachings. The exemplary embodiments were chosen and described in order to explain the principles of the utility model and its practical application to thereby enable one skilled in the art to make and use various exemplary embodiments of the utility model and various alternatives and modifications, as may be suited to the particular use contemplated by one skilled in the art without departing from the scope of the utility model.

Claims

1. An anti-dry heating device, which is characterized in that: the dry burning prevention device (10) comprises

Two detection electrodes (1), wherein the lower part of one detection electrode (1) is sleeved with an insulating sleeve (11);

and a main control system (2), wherein the main control system (2) is provided with a control circuit and a controlled circuit, the two detection electrodes (1) are electrically connected with the control circuit and used for triggering the control circuit, and the control circuit is electrically connected with the controlled circuit and used for controlling the controlled circuit.

2. A dry combustion method prevention apparatus as set forth in claim 1, wherein: one of the detection electrodes (1) is installed in the other detection electrode (1) in an insulating way through an insulating sleeve (11) at the lower part.

3. A dry combustion method prevention apparatus as set forth in claim 1, wherein: the dry burning prevention device (10) further comprises a temperature monitoring probe (3), and the temperature monitoring probe (3) is electrically connected with the control circuit and used for triggering the control circuit.

4. A dry combustion method prevention apparatus as set forth in claim 3, wherein: the metal shell of the temperature monitoring probe (3) is used as one of the detection electrodes (1).

5. The dry combustion method preventing apparatus as set forth in claim 4, wherein: the temperature monitoring probe (3) is arranged in the other detection electrode (1) through the insulating sleeve (11) at the lower part.

6. A heating vessel, characterized by: the heating container (20) comprises a container body (4), a power supply (5), a heating element (6) and the dry heating preventing device (10) according to any one of claims 1 to 5; a heating cavity (41) is arranged on the container main body (4); the dry heating preventing device (10) is arranged at the bottom of the container main body (4), wherein the two detection electrodes (1) are hermetically arranged at the bottom of the heating cavity (41) through the insulating sleeve (11); the heating piece (6) is matched in the heating containing cavity (41) and is electrically connected with a controlled circuit of the dry-heating preventing device (10); the power supply (5) is arranged at the bottom of the container main body (4) and is electrically connected with the main control system (2) of the dry burning prevention device (10).

7. A heating vessel as defined in claim 6, wherein: the heating container (20) is a boiled water cup, and the heating container (20) further comprises a container cover body (7) and an electric shell (8); the container cover body (7) is detachably covered at the upper end of the container main body (4); the electric shell (8) is arranged at the bottom of the container main body (4), and the dry burning prevention device (10) is arranged in the electric shell (8); the power supply (5) is arranged at the bottom of the electric shell (8).

8. A heating vessel as defined in claim 7, wherein: the power supply (5) comprises an AC plug (51) arranged on the side wall of the electric housing (8) and a rechargeable battery (52) detachably arranged at the bottom of the electric housing (8).

9. A heating vessel as defined in claim 8, wherein: an annular electrode plate (81) is arranged at the bottom of the electric shell (8), and the annular electrode plate (81) is electrically connected with the main control system (2); the power supply (5) is in threaded connection with the bottom of the electric shell (8), the middle part of the power supply (5) is elastically provided with a conductive copper column (53), and the power supply (5) is electrically connected with the annular electrode plate (81) through the conductive copper column (53).

10. A heating vessel as defined in claim 8, wherein: an input charging socket (54) and an output charging socket (55) are arranged on the rechargeable battery (52); the power supply (5) is also provided with a silica gel cover (56) for covering the input charging jack (54) and the output charging jack (55).