CN212086528U

CN212086528U - Electric heating appliance

Info

Publication number: CN212086528U
Application number: CN202021243936.4U
Authority: CN
Inventors: 杜露男; 黄清仕
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2020-06-29
Filing date: 2020-06-29
Publication date: 2020-12-04
Anticipated expiration: 2030-06-29

Abstract

The application relates to the technical field of drinking water appliances, in particular to an electric heating appliance which comprises a base and at least two appliance bodies, wherein the appliance bodies can be respectively connected to the base. The electric heating appliance also comprises a detection module which is arranged on each appliance body, the detection module comprises a detection resistor, and the detection resistor comprises a variable resistor with variable resistance according to the change of the temperature of the medium in the appliance body. The electric heating appliance also comprises a main control module which is used for operating the controller body in a set mode according to the voltage signal of the detection resistor. The utility model provides an electric heating appliance is at the during operation, along with the change of the temperature of medium in the ware body, the resistance of detection resistance can change thereupon, and according to the change of the resistance of detection resistance, different ware bodies can be discerned to host system, consequently can control the ware body and work under the mode of settlement. Therefore, the base can be matched with more than two bodies for use, the number of the bases is saved, the occupied space is reduced, and the user cost is reduced.

Description

Electric heating appliance

Technical Field

The application relates to the technical field of drinking water appliances, in particular to an electric heating appliance.

Background

The appearance of intelligent electronic kitchen ware supplies brings convenience to our lives, and the popularization of the intelligent electronic kitchen ware supplies greatly improves the lives of people. The electric heating appliance is a common intelligent electronic kitchen ware, and the existing electric heating appliance generally comprises a base and a body, wherein the base is used for bearing the body, and is provided with a control module for controlling the body to work. The ware body is used for holding water, food material and heating module etc..

The base and the body in the prior art are in one-to-one correspondence and are matched with each other. This not only wastes storage space, but also material costs.

SUMMERY OF THE UTILITY MODEL

The application provides an electric heating appliance to accurately identify different types of appliance bodies, and carry out corresponding control according to the different types of appliance bodies, so that the storage space is reduced, and the user cost is reduced.

The application provides an electric heating appliance, wherein, include:

a base;

at least two body parts which can be respectively connected with the base;

the detection module is arranged on each device body and comprises a detection resistor; the detection resistor comprises a variable resistor with variable resistance according to the temperature change of a medium in the transformer body;

and the main control module is used for controlling the body to work in a set mode according to the voltage signal of the detection resistor.

The utility model provides an electric heating appliance is at the during operation, along with the change of the temperature of medium in the ware body, the resistance of detection resistance can change thereupon, and according to the change of the resistance of detection resistance, different ware bodies can be discerned to host system, consequently can control the ware body and work under the mode of settlement. Therefore, the base can be matched with more than two bodies for use, the number of the bases is saved, the occupied space is reduced, and the user cost is reduced. Because the electric heating appliance in the application adopts the variable resistor, different appliance bodies can be sensitively and accurately detected, so that a user can adopt one base to match with more than two appliance bodies of different types, and the purpose of multiple purposes of one base is achieved.

As a possible design, the variable resistor is a thermistor.

In the scheme, the thermistor has high sensitivity and a wide working temperature range, so that the change of the temperature of the medium in the body can be accurately detected.

As a possible design, the variable resistor includes a positive temperature coefficient thermistor and a negative temperature coefficient thermistor.

In the scheme, the positive temperature coefficient thermistor can increase in resistance along with temperature increase, and the negative temperature coefficient thermistor can decrease in resistance along with temperature increase, so that the thermistor can be matched with different transformer bodies.

As a possible design, the detection resistor further includes a fixed resistor;

the main control module is also used for controlling the body to work in a set mode according to the voltage signal of the fixed resistor.

In the above scheme, the resistance value of the fixed resistor is constant and is not influenced by temperature change, so that the number of the transformer bodies matched with the base can be further increased.

As a possible design, the detection module further includes a rated resistor, and the rated resistor and the detection resistor form a voltage division circuit.

The voltage division circuit is arranged, the voltage division signal of the detection resistor is acquired, and the type of the current transformer body is judged according to the voltage division signal so as to be matched with a proper working mode.

As a possible design, the detection module further includes a filtering circuit connected to the voltage dividing circuit, and configured to filter the voltage dividing circuit.

As a possible design, the electric heating appliance further comprises:

the heating control module is connected with the main control module;

the body is provided with a heating tube;

the heating control module is used for controlling the heating tube to heat according to the control signal sent by the main control module.

The heating control module is arranged to realize the heating control of the transformer body.

As a possible design, the electric heating appliance further comprises:

the key module is connected with the main control module;

the main control module is also used for controlling the body to work in a set mode according to the key signal sent by the key module.

The arrangement of the key module can facilitate various operations of a user.

As a possible design, the electric heating appliance further comprises:

and the power supply module is used for supplying power to the detection module and the main control module.

As a possible design, the electric heating appliance further comprises:

a connector connecting the base and the body; the connector is at least provided with a detection port;

the main control module and the detection module are connected to the detection port.

Through setting up the connector, connect host system and detection module to make host system can gather the voltage signal of detection resistance in the detection module, so that discern different ware bodies, carry out corresponding control.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a block diagram of an electric heating appliance provided in an embodiment of the present application;

fig. 2 is a control structure diagram of an electric heating appliance according to an embodiment of the present application.

Reference numerals:

1-a base;

2-a body;

3-a main control module;

4-a connector;

5-a heating control module;

6-a key module;

7-a power supply module;

8-a display module;

9-detection module.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

Detailed Description

The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.

It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.

Fig. 1 is a block diagram showing a configuration of an electric heating appliance according to an embodiment of the present application, and fig. 2 is a block diagram showing a control configuration of the electric heating appliance according to the embodiment of the present application.

As shown in fig. 1 and 2, the present application provides an electric heating appliance, which includes a base 1 and at least two appliance bodies 2, and fig. 1 exemplifies one appliance body 2. The device body 2 can be used for a wall breaking machine, a kettle, a health preserving kettle, a lunch box or a fruit drying machine and the like. Wherein, at least two ware bodies 2 can be connected respectively to base 1. The electric heating appliance further comprises a detection module 9 and a main control module 3, wherein the detection module 9 is arranged on each appliance body 2, the detection module 9 comprises a detection resistor R, and the detection resistor R comprises a variable resistor with a variable resistance value according to the change of the temperature of the medium in the appliance body 2. The main control module 3 may be disposed in the base, or may be disposed on the body 2, which is not limited herein. The main control module 3 is configured to operate the body 2 in a set mode according to a voltage signal of the detection resistor R.

When the electric heating appliance provided by the embodiment of the application works, along with the change of the temperature of the medium in the appliance body 2, the resistance value of the detection resistor R can be changed, and according to the change of the resistance value of the detection resistor R, the main control module 9 can identify different appliance bodies 2, so that the appliance body 2 can be controlled to work in a set mode. Therefore, the base 1 can be matched with more than two bodies 2 for use, the number of the bases 1 is saved, the occupied space is reduced, and the user cost is reduced. Because the electric heating appliance in the embodiment of the application adopts the variable resistor, different appliance bodies 2 can be sensitively and accurately detected, so that a user can adopt one base 1 to match with more than two appliance bodies 2 of different types, and the purpose of multiple purposes of one base is achieved.

In particular, the variable resistor may be a thermistor. The thermistor has high sensitivity and a wide operating temperature range, so that the change of the temperature of the medium in the body 2 can be accurately detected.

Specifically, the variable resistor includes a positive temperature coefficient thermistor (PTC) and a negative temperature coefficient thermistor (NTC). Wherein, the NTC can reduce the resistance along with the temperature rise, and the PTC can increase the resistance along with the temperature rise. In a specific embodiment, a variable resistor may be arranged in the body 2 of the health preserving kettle, and the variable resistor is an NTC, for example, the resistance of the NTC is 100K Ω when the medium in the body 2 is 25 ℃. In another embodiment, a variable resistor may be arranged in the body 2 of the lunch box, the variable resistor is a PTC, and the resistance of the PTC is 10K Ω when the medium in the body 2 is 25 ℃.

The main control module 9 can judge whether the body 2 is the body 2 of the health preserving pot or the body 2 of the lunch box according to the resistance value of the detection resistor R at a certain temperature, and thus the body 2 is controlled to work in different modes. It is to be understood that the electric heating appliance provided by the embodiment of the present application is not limited to two bodies 2, and may include three or more bodies 2.

In a specific embodiment, the detection resistor R further includes a fixed resistor, and the main control module 3 is further configured to operate the controller body 2 in a set mode according to a voltage signal of the fixed resistor. In order to distinguish from the variable resistor, the resistance value of the fixed resistor may be set outside the limit values of the NTC and PTC described above. For example, the fixed resistor may have a resistance of 1M Ω. The fixed resistor has constant resistance and is not influenced by temperature change.

In a specific embodiment mode, the body 2 of the fruit drying machine may be set to have the fixed resistor, and when the main control module 9 detects that the resistance value of the detection resistor R is constant when the temperature changes, the body 2 is controlled to operate in the operating mode of the fruit drying machine.

Further, the detection module 9 further includes a rated resistor R1, and the rated resistor R1 and the detection resistor R form a voltage divider circuit. The voltage across R1 is converted into a corresponding AD value through the detection port, and the main control module 9 reads the AD value, thereby controlling the body 2. The voltage division circuit is arranged, the voltage division signal of the detection resistor is acquired, and the type of the current transformer body is judged according to the voltage division signal so as to be matched with a proper working mode.

In a specific embodiment, the detection module 9 further includes a filter circuit connected to the voltage dividing circuit for filtering the voltage dividing circuit. The filter circuit comprises a capacitor C and a resistor R2, and in the embodiment, the resistance values of a rated resistor R1 and a resistor R2 are both 10K omega.

In a specific embodiment, the electric heating appliance further comprises a heating control module 5 connected with the main control module 3; the body 2 is provided with a heating tube G; the heating control module 5 is used for controlling the heating tube G to heat according to the control signal sent by the main control module 3.

Furthermore, the electric heating appliance also comprises a key module 6 which is connected with the main control module 3; the main control module 3 is further configured to operate the body 2 in a set mode according to a key signal sent by the key module 6. The arrangement of the key module 6 can facilitate a user to perform various operations, for example, the user can control the start, stop, heat preservation, mode switching, and the like of the electric heating appliance through the key module 6.

In a specific embodiment, the electric heating appliance further comprises a power module 7 for supplying power to the detection module 9 and the main control module 3. The power module 7 can convert the commercial power into direct current VDD to supply power to the main control module 3 and the detection module 9, and can also supply power to the heating control module 5 and the key module 6. A relay or a silicon-controlled switch can be arranged to control whether the heating tube G works or not by switching on and off the switch.

Specifically, the electric heating appliance further comprises a connector 4 connecting the base 1 and the body 2; the connector 4 is provided with at least a detection port; the main control module 3 and the detection module 9 are both connected to the detection port.

In this embodiment, the connector 4 may be a 5-core connector, which includes five lines, i.e., a ground line, a neutral line (N), a live line (L), a direct current power line (VDD) and a detection line (Res), wherein the direct current power line (VDD) and the detection line (Res) are connected to a detection resistor R, and as mentioned above, different bodies 2 are provided with different types of detection resistors R, so as to identify different bodies 2 for different operation modes.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electrically heated appliance, comprising:

a base (1);

at least two bodies (2), wherein the at least two bodies (2) can be connected to the base (1) respectively;

a detection module (9) provided to each of the body parts (2), the detection module (9) including a detection resistor (R); the detection resistor (R) comprises a variable resistor with variable resistance according to the temperature change of a medium in the body (2);

and the main control module (3) is used for controlling the body (2) to work in a set mode according to the voltage signal of the detection resistor (R).

2. An electrically heated appliance as claimed in claim 1 wherein said variable resistance is a thermistor.

3. An electrically heated appliance as claimed in claim 2, wherein the variable resistance comprises a positive temperature coefficient thermistor and/or a negative temperature coefficient thermistor.

4. Electrical heating appliance according to any one of claims 1 to 3, characterized in that said detection resistance (R) further comprises a fixed resistance;

the main control module (3) is also used for controlling the body (2) to work in a set mode according to the voltage signal of the fixed resistor.

5. Electrical heating appliance according to any one of claims 1 to 3, characterized in that said detection module (9) further comprises a rated resistance (R1), said rated resistance (R1) and said detection resistance (R) constituting a voltage dividing circuit.

6. Electrical heating appliance according to claim 5, characterized in that said detection module (9) further comprises a filtering circuit connected to said voltage dividing circuit for filtering said voltage dividing circuit.

7. An electrically heated appliance as claimed in any of claims 1 to 3, further comprising:

the heating control module (5) is connected with the main control module (3);

the body (2) is provided with a heating tube (G);

the heating control module (5) is used for controlling the heating tube (G) to heat according to the control signal sent by the main control module (3).

8. An electrically heated appliance as claimed in any of claims 1 to 3, further comprising:

the key module (6) is connected with the main control module (3);

the main control module (3) is further used for controlling the body (2) to work in a set mode according to the key signal sent by the key module (6).

9. An electrically heated appliance as claimed in any of claims 1 to 3, further comprising:

and the power supply module (7) is used for supplying power to the detection module (9) and the main control module (3).

10. An electrically heated appliance as claimed in any of claims 1 to 3, further comprising:

a connector (4) connecting the base (1) and the body (2); the connector (4) is at least provided with a detection port;

the main control module (3) and the detection module (9) are connected to the detection port.