WO2016119427A1 - Cordless liquid heating apparatus - Google Patents

Abstract

A cordless liquid heating apparatus (1000) comprising: an instrument part (100), where the instrument part (100) comprises a temperature-sensing distention apparatus (110) and a cordless upper connector (120); and, a base part (200), where the base part (200) comprises a cordless lower connector (220) and a sensing apparatus (230). When the instrument part (100) is arranged on the base part (200), the cordless upper connector (120) fits the cordless lower connector (220) to transmit electricity onto the instrument part (100), and the sensing apparatus (230) fits the temperature-sensing distension apparatus (110) to sense the amount of distension of the temperature-sensing distension apparatus (110).

Description

Cordless liquid heating device Technical field

The present invention relates to a cordless electrical device, and more particularly to a cordless liquid heating device.

Background technique

The cordless electrical connection portion of the related art cordless liquid heating device is integrated with the cordless signal connecting portion, and when one of the cordless electrical connecting portion and the cordless signal connecting portion has a problem, the entire structure needs to be replaced, which is disadvantageous to the cordless liquid. Maintenance of the heating device and making the maintenance cost high.

Summary of the invention

The present invention aims to solve at least one of the technical problems in the related art to some extent. To this end, the present invention proposes a cordless liquid heating device in which the transmission path of electric energy and the transmission path of the temperature signal are separated.

A cordless liquid heating apparatus according to the present invention, comprising: an appliance portion including a liquid heating container, a temperature sensing deformation device, and a cordless upper connector, the liquid heating container including a container for holding a liquid and for a heating element for heating the container, the temperature sensing deformation device configured to deform according to an induced temperature in the container, the cordless upper connector being electrically connected to the heating element; a base portion, the substrate The part includes a base, a cordless lower connector, an inductive device and an electronic control device, and the cordless lower connector and the sensing device are respectively disposed on the substrate and electrically connected to the electronic control device, and the electronic control device Controlling an operating state of the heating element and the electronic control device includes a microprocessor and a power module; the cordless upper connector mates with the cordless lower connector when the appliance portion is placed on the base portion To transfer electricity to the appliance portion, the sensing device cooperates with the temperature sensing deformation device to sense Temperature sensing means deformation amount of the deformation.

According to the cordless liquid heating device of the embodiment of the invention, the electric energy is transmitted from the base portion to the appliance portion through the cordless upper connector and the cordless lower connector, and the temperature sensing deformation device senses the temperature in the container to be deformed, and the sensing device can sense the temperature sensing deformation. The shape variable of the device transmits the shape variable to the electronic control device, and the electronic control device determines the temperature inside the container according to the deformation variable, so that the path of the electric energy transmission and the path of the signal transmission are distinguished, when the connector on the cord, the temperature When one of the inductive deformation device, the cordless lower connector and the sensing device has a problem, only the corresponding device needs to be repaired, which facilitates the maintenance of the cordless liquid heating device and reduces the maintenance cost.

Further, the cordless liquid heating apparatus according to the present invention may have the following additional technical features:

According to an embodiment of the invention, the heating element is a heat pipe or a thick film heater.

According to an embodiment of the invention, the appliance portion further comprises a power conditioning device coupled to the heating element.

According to an embodiment of the invention, the power conditioning device is a triac.

According to an embodiment of the invention, the base portion further comprises a user interface coupled to the electronic control unit.

According to an embodiment of the present invention, the temperature sensing deformation device includes a deforming member, one end of the deforming member is fixed on the liquid heating container, and the other end of the deforming member is provided with a magnetic force transmitting device, and the sensing device A plurality of magnetic induction points for sensing the magnetic force transmitting device are included.

According to an embodiment of the invention, the deforming member is a bimetal, and the sensing device comprises a plurality of sets of the magnetic sensing points uniformly spaced in the circumferential direction, each set of the magnetic sensing points comprising a plurality of radial directions Evenly spaced magnetic induction points.

In accordance with an embodiment of the present invention, the cordless upper connector includes three upper conductive portions, and the cordless lower connector includes three lower conductive portions that are mated in one-to-one correspondence with the three upper conductive portions.

DRAWINGS

1 is a schematic view of a cordless liquid heating apparatus according to an embodiment of the present invention;

2 is a schematic view showing a temperature-inductive deformation device in a state where deformation is not performed according to an embodiment of the present invention;

3 is a position of a magnetic induction point corresponding to a magnetic force transmitting device according to an embodiment of the present invention;

4 is a schematic view of a temperature sensing deformation device according to an embodiment of the present invention;

Figure 5 is a diagram showing the position of a magnetic induction point corresponding to a magnetic force transmitting device in accordance with an embodiment of the present invention.

Reference numeral: a cordless liquid heating device 1000, an appliance portion 100, a temperature sensing deformation device 110, a magnetic force transmitting device 111, a cordless upper connector 120, a first mating portion 121, a second mating portion 122, a third mating portion 123, a base The portion 200, the cordless lower connector 220, the fourth mating portion 221, the fifth mating portion 222, the sixth mating portion 223, the sensing device 230, and the magnetic induction point 231.

detailed description

Embodiments of the invention are described in detail below, examples of which are illustrated in the accompanying drawings. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " After, "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of describing the present invention and simplifying the description, rather than indicating or implying The device or component referred to must have a particular orientation, is constructed and operated in a particular orientation, and thus is not to be construed as limiting the invention.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" or "second" may include at least one of the features, either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. Or in one piece; it may be a mechanical connection, or it may be an electrical connection or a communication with each other; it may be directly connected or indirectly connected through an intermediate medium, and may be an internal connection of two elements or an interaction relationship between two elements. Unless otherwise expressly defined. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.

A cordless liquid heating apparatus 1000 according to an embodiment of the present invention will be described in detail below with reference to FIGS. 1 through 5, wherein the cordless liquid heating apparatus 1000 may be a household appliance such as a hot water bottle or a coffee maker.

A cordless liquid heating apparatus 1000 according to an embodiment of the present invention may include an appliance portion 100 and a base portion 200. The appliance portion 100 cooperates with the base portion 200 to transfer electrical energy from the base portion 200 to the appliance portion 100.

Wherein, as shown in FIG. 1, the appliance portion 100 may include a liquid heating vessel, a temperature sensing deformation device 110, and a cordless upper connector 120.

The liquid heating vessel includes a vessel for containing a liquid (eg, water, coffee, soy milk, etc.) and a heating element that heats the vessel. After the liquid is placed in the container, the heating element heats the container to heat the liquid in the container.

Alternatively, the heating element can be a heating tube or a thick film heater. In a specific example of the invention, the heating element is a thick film heater.

The temperature-sensing deformation device 110 is configured to be deformed according to the temperature inside the induced container, that is, the temperature-sensing deformation device 110 can be deformed as the temperature inside the container changes, and thus can be shaped by measuring the temperature-sensing deformation device 110. The variable determines the temperature inside the container.

The cordless upper connector 120 is electrically connected to the heating element, and after the appliance part 100 is mated with the base portion 200, the electric It can be transferred to the heating element via the cordless upper connector 120, which converts electrical energy into thermal energy so that the liquid in the container can be heated.

The base portion 200 includes a base, a cordless lower connector 220, an inductive device 230, and an electronic control device (not shown), the cordless lower connector 220 and the sensing device 230 are respectively disposed on the substrate, and the cordless lower connector 220 and the sensing device 230 It is electrically connected to the electronic control unit, and the electronic control unit can control the working state of the heating element.

It should be noted that the cordless upper connector 120 and the temperature sensing deformation device 110 are separate components. The cordless lower connector 220 and the sensing device 230 are separate components.

When the appliance portion 100 is placed on the base portion 200, the cordless upper connector 120 cooperates with the cordless lower connector 220 to transfer electrical energy to the appliance portion 100, and the sensing device 230 cooperates with the temperature sensing deformation device 110 to sense the temperature sensing deformation device 110. The amount of deformation and the amount of deformation is transmitted to the electronic control unit.

When the temperature in the container changes, the temperature sensing deformation device 110 is deformed, the sensing device 230 can sense the shape variable of the temperature sensing deformation device 110, and transmit the deformation variable to the electronic control device, and the electronic control device can be induced to deform according to the temperature. The shape variable of device 110 calculates the temperature within the container.

That is to say, the sensing device 230 does not directly detect the temperature inside the container, but detects the shape variable of the temperature sensing deformation device 110, and transmits the deformation variable to the electronic control device. The electronic control device determines the temperature in the container through the deformation variable. .

The electronic control device may include a microprocessor and a power module. The electronic control device is a control center of the cordless liquid heating device 1000. The shape variable generated by the temperature sensing deformation device 110 sensed by the sensing device 230 may be transmitted to the electronic control device. The control device determines the temperature inside the container based on the received shape variable, and controls the operating state of the cordless liquid heating device 1000 according to the temperature. In a specific example of the present invention, the temperature can be set in advance in the electronic control device. When the sensing device 230 senses that the temperature of the temperature sensing deformation device 110 indicates that the temperature in the container reaches the set temperature, the electronic control device can control the heating. The component stops heating.

The operation of the cordless liquid heating apparatus 1000 will be briefly described below.

First, the appliance portion 100 is placed on the base portion 200. At this time, the cordless upper connector 120 is engaged with the cordless lower connector 220, and the sensing device 230 is engaged with the temperature sensing deformation device 110; the electric energy is passed through the cordless upper connector 120 and the cordless The connector 220 is transmitted to the heating element, which converts electrical energy into thermal energy to heat the liquid in the container; during heating, the temperature sensing deformation device 110 senses the temperature inside the container to be deformed, and the sensing device 230 can sense the temperature. The shape variable of the inductive deformation device 110 transmits the shape variable to the electronic control device; the electronic control device determines the temperature within the container based on the received shape variable and operates in response to the determined temperature signal. For example, when the temperature signal determined by the electronic control device indicates that the temperature of the liquid in the container has reached a preset value, the electronic control device may control the heating element to stop heating; when the temperature signal determined by the electronic control device indicates the liquid in the container Electronic control device when the temperature has not reached the preset temperature value The heating element can be controlled to continue heating.

According to the cordless liquid heating apparatus 1000 of the embodiment of the present invention, electric energy is transmitted from the base portion 200 to the appliance portion 100 through the cordless upper connector 120 and the cordless lower connector 220, and the temperature inductive deformation device 110 senses the temperature inside the container to be deformed and sensed. The device 230 can sense the shape variable of the temperature sensing deformation device 110 and transmit the deformation variable to the electronic control device. The electronic control device determines the temperature inside the container according to the deformation variable, so that the path of the electric energy transmission and the path of the signal transmission are separated. When a problem occurs in one of the cordless upper connector 120, the temperature sensing deformation device 110, the cordless lower connector 220, and the sensing device 230, only the corresponding device needs to be repaired, which facilitates maintenance of the cordless liquid heating device 1000 and reduces Maintenance costs.

In some embodiments of the invention, the appliance portion 100 may also include a power conditioning device coupled to the heating element. The power conditioning device can adjust the power of the heating element to reduce or increase the power of the heating element such that the cordless liquid heating apparatus 1000 can satisfy a variety of modes as well as sudden various conditions.

Alternatively, the power conditioning device can be a triac. The three ends of the triac are respectively connected to the electronic control device, the heating element and the live wire.

At work, the user selects the temperature at which the liquid is to be reached, or simply sets it to boiling. The electronic control device then provides a signal to the triac to provide electrical energy to the heating element, the heating element generates heat to heat the liquid within the container; and when the liquid in the container reaches a predetermined temperature, the electronic control device causes The triac interrupts the energy supplied to the heating element. When it is detected that no liquid in the container is in a dry state, the triac can immediately cut off the energy supplied to the heating element.

According to some embodiments of the invention, the base portion 200 may also include a user interface coupled to the electronic control unit. The user interface is user-friendly and can provide users with a variety of modes, such as boiling mode, sterilization mode, and custom mode. Users can select the desired mode according to actual needs.

In a specific example of the present invention, as shown in FIGS. 2 and 4, the temperature sensing deformation device 110 includes a deforming member 112, one end of which is fixed to the liquid heating container, and the other end of the deforming member 112 is provided with a magnetic force transmitting device. 111. The sensing device 230 includes a plurality of magnetic sensing points 231 for sensing the magnetic transmitting device 110.

When the temperature sensing deformation device 110 senses that the temperature on the liquid heating container changes, the deformation member 112 is deformed, and the position of the magnetic force transmitting device 111 on the deforming member 112 is changed. At this time, the magnetic generating device 111 is located. The magnetic induction point 231 corresponding to the position senses the magnetic transmitting device 111, thereby determining the position of the magnetic transmitting device 111, and further knows the shape variable of the temperature sensing deformation device 110.

Specifically, as shown in FIG. 3 and FIG. 5, the sensing device 230 includes a plurality of sets of magnetic sensing points uniformly spaced in the circumferential direction, and each set of magnetic sensing points includes a plurality of magnetic sensing points 231 spaced apart in the radial direction.

More specifically, the deforming member 112 may be a bimetal. Of course, the specific construction of the bimetal is known in the art and is well known to those skilled in the art and will not be described herein.

In some embodiments of the invention, the cordless upper connector 120 includes three upper conductive portions, and the cordless lower connector 220 includes three lower conductive portions that cooperate one-to-one with the three upper conductive portions.

Specifically, as shown in FIG. 1 and FIG. 2, the three upper conductive portions on the cordless upper connector 120 are a columnar first mating portion 121, an annular second mating portion 122, and an annular third mating portion 123; The three lower conductive portions on the lower connector 220 are a fourth matching portion 221 having a through hole shape, a fifth matching portion 222 having a groove shape, and a sixth engaging portion 223. When the instrument portion 100 is placed on the base portion 200, the cylindrical first fitting portion 121 is inserted into the through hole and is in contact with the inner peripheral wall of the through-hole-shaped fourth fitting portion 221, and the annular second fitting portion 122 is inserted into the concave portion. The groove is formed in the fifth engaging portion 222 and the sixth engaging portion 223 is in contact with the inner surface of the third engaging portion 123. Thus, electrical energy can be transferred to the liquid heating vessel through the cordless lower connector 220 and the cordless upper connector 120.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification, as well as features of various embodiments or examples, may be combined and combined.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims (8)

A cordless liquid heating device, comprising: In the appliance portion, the appliance portion includes a liquid heating vessel, a temperature sensing deformation device, and a cordless upper connector, the liquid heating vessel including a container for holding a liquid and a heating element for heating the container, The temperature sensing deformation device is configured to be deformed according to the sensed temperature within the container, the cordless upper connector being electrically connected to the heating element; a base portion including a base, a cordless lower connector, an inductive device, and an electronic control device, the cordless lower connector and the sensing device being respectively disposed on the substrate and electrically connected to the electronic control device The electronic control device is configured to control an operating state of the heating element and the electronic control device comprises a microprocessor and a power module; The cordless upper connector cooperates with the cordless lower connector to transmit electricity to the appliance portion when the appliance portion is placed on the base portion, the sensing device cooperating with the temperature sensing deformation device The amount of deformation of the temperature sensing deformation device is sensed. A cordless liquid heating apparatus according to claim 1, wherein said heating element is a heat pipe or a thick film heater. A cordless liquid heating apparatus according to claim 1 wherein said appliance portion further comprises power conditioning means coupled to said heating element. A cordless liquid heating apparatus according to claim 5, wherein said power regulating means is a triac. The cordless liquid heating apparatus of claim 1 wherein said base portion further comprises a user interface coupled to said electronic control unit. A cordless liquid heating apparatus according to any one of claims 1 to 5, wherein said temperature inductive deformation means comprises a deforming member, one end of said deforming member being fixed to said liquid heating vessel, said deformation The other end of the member is provided with a magnetic transmitting device, and the sensing device includes a plurality of magnetic sensing points for sensing the magnetic transmitting device. The cordless liquid heating apparatus according to claim 6, wherein the deforming member is a bimetal, and the sensing device comprises a plurality of sets of the magnetic induction points uniformly spaced in a circumferential direction, each set of the magnetic force The sensing point includes a plurality of magnetic sensing points that are evenly spaced apart in the radial direction. A cordless liquid heating apparatus according to any one of claims 1 to 5, wherein said cordless upper connector comprises three upper conductive portions, said cordless lower connector comprising said three upper conductive portions One of the three lower conductive portions corresponding to each other.

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