CN217659265U

CN217659265U - Health preserving kettle drive circuit and health preserving kettle

Info

Publication number: CN217659265U
Application number: CN202220926593.4U
Authority: CN
Inventors: 李学滨
Original assignee: ZHONGSHAN ANBOER ELECTRICAL APPLIANCE CO Ltd
Current assignee: ZHONGSHAN ANBOER ELECTRICAL APPLIANCE CO Ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-10-28
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a health preserving kettle drive circuit and health preserving kettle, be applied to the health preserving kettle that has the drive base, the drive base has the holding face that is used for placing the kettle body, drive circuit includes capacitanc liquid sensor, heating element and control module, capacitanc liquid sensor sets up at the drive base, capacitanc liquid sensor is used for detecting the liquid information of holding the face, heating element sets up in the kettle body, control module is connected with capacitanc liquid sensor and heating element respectively, control module is according to liquid information control heating element operation, automatic shutdown when this design liquid spills over, safety in utilization, and convenience.

Description

Health preserving kettle drive circuit and health preserving kettle

Technical Field

The utility model relates to a health preserving kettle technical field, in particular to health preserving kettle drive circuit and health preserving kettle.

Background

Present health preserving kettle has different culinary art modes to the edible material of difference, and convenient to use receives user favor widely, but, in practical process, the user probably carelessly adds the water yield, and at the in-process of culinary art, liquid boils the back and spills over easily, and even liquid spills over, the health preserving kettle still continues the operation, and liquid spills over too much to exist and causes the risk of damage to the health preserving kettle.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a health preserving kettle drive circuit and health preserving kettle, automatic shutdown when liquid spills over, safe in utilization, convenience.

According to the utility model discloses a health preserving kettle drive circuit of first aspect embodiment is applied to the health preserving kettle that has the drive base, the drive base has the holding face that is used for placing the kettle body, include: the capacitive liquid sensor is arranged on the driving base and used for detecting liquid information of the accommodating surface; the heating component is arranged in the kettle body; and the control module is respectively connected with the capacitive liquid sensor and the heating assembly and controls the heating assembly to operate according to the liquid information.

According to the utility model discloses health preserving kettle drive circuit has following beneficial effect at least:

the utility model discloses health preserving kettle drive circuit, capacitanc liquid sensor set up at the drive base, can respond to and hold whether have liquid to exist on the face, and when the culinary art in-process, the internal liquid of kettle boils and spills over, drips on holding the face, and capacitanc liquid sensor feeds back liquid information to control module, and control module can control heating element and reduce heating power and close even to prevent that liquid from continuing to spill over in a large number, this design is safe in utilization, convenient.

According to some embodiments of the utility model, control module includes the control unit and the switch unit, the switch unit with heating element connects in order to constitute at least partial heating power supply branch road, heating power supply branch road is used for being connected with power supply, the control unit respectively with capacitanc liquid sensor and the switch unit is connected with the basis liquid information control the switch unit break-make.

According to some embodiments of the present invention, the switch unit comprises a switch tube assembly and a relay assembly, the switch tube assembly the relay assembly and the heating assembly are connected to constitute at least part of the heating power supply branch, the control unit respectively with the switch tube assembly the relay assembly is connected to control respectively the switch tube assembly with the relay assembly break-make.

According to the utility model discloses a some embodiments still include power modulation module, power modulation module's input is used for being connected with power supply, power modulation module's output with the control unit is connected.

According to the utility model discloses a some embodiments still include zero cross detection module, zero cross detection module with the input of power modulation module is connected, the control unit with zero cross detection module connects.

According to the utility model discloses a some embodiments, zero cross detection module includes diode D1 and switch tube Q1, diode D1 anodal with the input of power modulation module is connected, diode D1's negative pole with switch tube Q1's controlled end is connected, switch tube Q1's input respectively with the output of power modulation module and the control unit is connected, switch tube Q1's output ground connection.

According to some embodiments of the present invention, the capacitive liquid sensor is annular, the capacitive liquid sensor is disposed on the holding surface of the driving base or the capacitive liquid sensor is disposed in the driving base and on the back of the holding surface.

According to some embodiments of the present invention, the accommodating surface is provided with a protrusion, and the protrusion corresponds to the position where the capacitive liquid sensor is disposed.

According to the utility model discloses health preserving kettle of second aspect embodiment, including the disclosed health preserving kettle drive circuit of above-mentioned arbitrary embodiment.

According to the utility model discloses health preserving kettle has following beneficial effect at least:

the utility model discloses health preserving kettle has utilized health preserving kettle drive circuit to drive, can be when liquid spills over automatic shutdown, and is safe in utilization, convenient.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic perspective view of one embodiment of the health preserving pot of the present invention;

FIG. 2 is a cross-sectional view of the health preserving pot of the present invention;

fig. 3 is a block diagram of a schematic structure of one embodiment of the driving circuit of the present invention;

fig. 4 is a circuit diagram of a control unit according to an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of the power modulation module and the zero-crossing detection module according to one embodiment of the present invention;

fig. 6 is a schematic circuit diagram of a switch unit according to one embodiment of the present invention.

Reference numerals:

the driving base 100, the accommodating surface 110, the protrusion 120, the connection terminal 200, the capacitive liquid sensor 300, the heating assembly 400, the control module 500, the control unit 510, the switching unit 520, the switching tube assembly 521, the relay assembly 522, the power modulation module 600, and the zero-cross detection module 700.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the orientation description, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality of meanings are one or more, a plurality of meanings are two or more, and the terms greater than, smaller than, exceeding, etc. are understood as excluding the number, and the terms greater than, lower than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-6, according to the embodiment of the present invention, a health preserving kettle driving circuit is applied to a health preserving kettle having a driving base 100, the driving base 100 has a containing surface 110 for placing a kettle body, the driving circuit includes a capacitive liquid sensor 300, a heating element 400 and a control module 500, the capacitive liquid sensor 300 is disposed on the driving base 100, the capacitive liquid sensor 300 is used for detecting liquid information of the containing surface 110, the heating element 400 is disposed on the kettle body, the control module 500 is respectively connected with the capacitive liquid sensor 300 and the heating element 400, and the control module 500 controls the heating element 400 to operate according to the liquid information.

The containing surface 110 can be used as a detected medium surface of the capacitive liquid sensor 300, when liquid drops on the containing surface 110, the capacitance of the capacitive liquid sensor 300 changes, an electric signal is formed and fed back to the control module 500, and specifically, the information of the liquid overflow amount can be obtained according to the change condition of the capacitance.

As shown in fig. 1, a connection terminal 200 electrically connected to the control module 500 may be disposed on the receiving surface 110 of the driving base 100, the kettle body is detachably connected to the driving base 100, and the connection terminal 200 is connected to the heating element 400 when the kettle body is connected to the driving base 100, wherein the heating element 400 may be a resistive heating coil, a semiconductor heating sheet, or the like.

The utility model discloses health preserving kettle drive circuit, capacitanc liquid sensor 300 sets up at drive base 100, can respond to and hold whether there is liquid to exist on the face 110, when the culinary art in-process, the internal liquid of kettle boils and spills over, drips on holding the face 110, capacitanc liquid sensor 300 feeds back liquid information to control module 500, control module 500 can control heating element 400 and reduce heating power and shut down even to prevent that liquid from continuing to spill over in a large number, this design is safe in utilization, convenient.

In some embodiments of the present invention, as shown in fig. 3 to 6, the control module 500 includes a control unit 510 and a switch unit 520, the switch unit 520 is connected to the heating assembly 400 to form at least a partial heating power supply branch, the heating power supply branch is used for being connected to a power supply, the control unit 510 is respectively connected to the capacitive liquid sensor 300 and the switch unit 520 to control the on/off of the switch unit 520 according to the liquid information.

The control unit 510 may be formed by an MCU or a CPU and an auxiliary circuit, and the control unit 510 controls the on/off of the switch unit 520, i.e., the heating power of the heating element 400 can be adjusted, and the on/off of the heating element 400 can be controlled, so as to prevent the liquid from further overflowing by reducing the heating power of the heating element 400, or even turning off the heating element 400.

Specifically, the switch unit 520 includes a switch tube assembly 521 and a relay assembly 522, the switch tube assembly 521, the relay assembly 522 and the heating assembly 400 are connected to form at least part of the heating power supply branch, and the control unit 510 is respectively connected to the switch tube assembly 521 and the relay assembly 522 to respectively control the on and off of the switch tube assembly 521 and the relay assembly 522.

The switch tube assembly 521 may be a triode, an MOS tube, or a thyristor, specifically, a thyristor T1 may be used, the control unit 510 is connected to a controlled end of the thyristor T1, the relay assembly 522 may include a contact switch and a relay coil, the relay coil may change an on-off state of the power storage switch by adsorbing the contact switch, the thyristor T1, and the heating assembly 400 are connected to form a heating power supply branch, and the control unit 510 may be connected to the relay coil to change the on-off state of the power storage switch by turning on or off the relay coil.

The control unit 510 may selectively control the operation of the switching tube assembly 521 or the relay assembly 522 according to the overflow condition of the liquid, for example, when the overflow amount of the liquid is less, the control unit 510 may output a PWM signal to control the operation of the switching tube assembly 521, so as to prevent the increase of the overflow amount of the liquid by reducing the heating power, and if the overflow amount of the liquid is more, may control the relay assembly 522 to be turned off in time, so as to stop the operation of the heating assembly 400.

In some embodiments of the present invention, the power modulation module is further included, an input end of the power modulation module is used for being connected to a power supply, and an output end of the power modulation module 600 is connected to the control unit 510.

The power supply modulation module may be composed of a rectification voltage-regulation integrated chip and an auxiliary circuit, an input end of the power supply modulation module may be connected to an alternating current power supply, and rectifies and regulates alternating current output by the power supply to modulate the alternating current into a stable voltage for supplying power to the control unit 510, the relay coil and other components, specifically, the voltage may be +5V or + 3.3V.

The utility model discloses an in some embodiments, still include zero cross detection module 700, zero cross detection module 700 is connected with the input of power modulation module, and the control unit 510 is connected with zero cross detection module 700, and zero cross detection module 700 can detect the zero cross condition of alternating current, and the control unit 510 can be according to zero cross condition control switch pipe subassembly 521 and turn off at zero point moment to reduce the overstock, improve switch pipe subassembly 521's durability.

Specifically, as shown in fig. 5, the zero-cross detection module 700 includes a diode D1 and a switching tube Q1, an anode of the diode D1 is connected to the input end of the power modulation module, a cathode of the diode D1 is connected to the controlled end of the switching tube Q1, an input end of the switching tube Q1 is respectively connected to the output end of the power modulation module and the control unit 510, and an output end of the switching tube Q1 is grounded.

In some embodiments of the present invention, as shown in fig. 1 and 2, the capacitive liquid sensor 300 is in a ring shape, the capacitive liquid sensor 300 is disposed on the receiving surface 110 of the driving base 100 or the capacitive liquid sensor 300 is disposed in the driving base 100 and is located at the back of the receiving surface 110.

When liquid drops to the accommodating surface 110, the annular capacitive liquid sensor 300 can enable the sensing range to be wider, the capacitive liquid sensor 300 can surround the kettle body, and water leaking from any direction of the kettle body can be easily detected by the capacitive liquid sensor 300.

Specifically, the capacitive liquid sensor 300 is disposed on the accommodating surface 110 of the driving base 100, and one surface of the capacitive liquid sensor 300 is exposed to the outside, or the capacitive liquid sensor 300 is located at the back of the accommodating surface 110 and separated by the casing of the driving base 100, so that the capacitive liquid sensor 300 can be protected, and the capacitive liquid sensor 300 can also detect liquid information.

In some embodiments of the present invention, as shown in fig. 1, the accommodating surface 110 is provided with a protrusion 120, and the protrusion 120 corresponds to the position of the capacitive liquid sensor 300.

Since a small amount of liquid may exist on the surface of the receiving surface 110 during the use of the health preserving pot by the user, in order to prevent the false alarm of the capacitive liquid sensor 300, the protrusion 120 can prevent the liquid from accumulating on the surface, so as to reduce the probability of the false alarm, specifically, the outer contour of the protrusion 120 may be arc-shaped or inclined, and the protrusion 120 may be annular.

According to the health preserving kettle of the embodiment of the second aspect of the present invention, as shown in fig. 1-6, the health preserving kettle comprises the health preserving kettle driving circuit disclosed in any one of the above embodiments.

The health preserving pot generally comprises a driving base 100 and a pot body, a control module 500 and a capacitive liquid sensor 300 are arranged on the driving base 100, the driving base 100 is provided with a containing surface 110 for placing the pot body, the capacitive liquid sensor 300 is correspondingly arranged, a heating module is arranged on the pot body, a connecting terminal electrically connected with the control module 500 can be arranged on the containing surface 110 of the driving base 100, the pot body is detachably connected with the driving base 100, and the connecting terminal can be connected with the heating module 400 when the pot body is connected with the driving base 100.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The utility model provides a health preserving kettle drive circuit, is applied to the health preserving kettle that has drive base, drive base has the holding face that is used for placing the kettle body, its characterized in that includes:

the capacitive liquid sensor is arranged on the driving base and used for detecting liquid information of the accommodating surface;

the heating component is arranged on the kettle body;

and the control module is respectively connected with the capacitive liquid sensor and the heating assembly, and controls the heating assembly to operate according to the liquid information.

2. The health preserving kettle drive circuit of claim 1, characterized in that: the control module comprises a control unit and a switch unit, the switch unit is connected with the heating assembly to form at least part of a heating power supply branch, the heating power supply branch is used for being connected with a power supply, and the control unit is respectively connected with the capacitance type liquid sensor and the switch unit to control the on-off of the switch unit according to the liquid information.

3. A health preserving kettle driving circuit as claimed in claim 2, wherein: the switch unit comprises a switch tube assembly and a relay assembly, the switch tube assembly, the relay assembly and the heating assembly are connected to form at least part of the heating power supply branch, and the control unit is respectively connected with the switch tube assembly and the relay assembly to respectively control the switch tube assembly and the on-off of the relay assembly.

4. A health preserving kettle driving circuit as claimed in claim 2, wherein: the power supply control device is characterized by further comprising a power supply modulation module, wherein the input end of the power supply modulation module is used for being connected with a power supply, and the output end of the power supply modulation module is connected with the control unit.

5. The health preserving kettle drive circuit of claim 4, wherein: the power supply control circuit further comprises a zero-crossing detection module, the zero-crossing detection module is connected with the input end of the power supply modulation module, and the control unit is connected with the zero-crossing detection module.

6. A health preserving kettle driving circuit as claimed in claim 5, wherein: the zero-crossing detection module comprises a diode D1 and a switch tube Q1, the anode of the diode D1 is connected with the input end of the power supply modulation module, the cathode of the diode D1 is connected with the controlled end of the switch tube Q1, the input end of the switch tube Q1 is respectively connected with the output end of the power supply modulation module and the control unit, and the output end of the switch tube Q1 is grounded.

7. The health preserving kettle driving circuit as claimed in claim 1, wherein: the capacitance type liquid sensor is annular and is arranged on the containing surface of the driving base or arranged in the driving base and positioned on the back of the containing surface.

8. A health preserving kettle drive circuit as claimed in claim 7, wherein: the containing surface is provided with a protruding part, and the protruding part corresponds to the arrangement position of the capacitance type liquid sensor.

9. A health preserving kettle comprising a health preserving kettle drive circuit as claimed in any one of claims 1 to 8.