CN221748611U - Heater and bathroom equipment - Google Patents

Abstract

The utility model provides a heater and bathroom equipment, wherein the heater comprises a conducting piece and a plurality of heating pieces, each heating piece comprises a first conductor, an electrothermal ceramic part connected with the first conductor and an on-off part connected with the first conductor; the conducting piece is used for connecting a voltage source and is connected with the electrothermal ceramic part, the conducting piece, the voltage source and each heating piece form a heat generating circuit, and each on-off part can be connected with the voltage source in an on-off way so as to be communicated with and block the heat generating circuit to which the on-off part belongs; the heater has heat preservation operating mode and quick heating operating mode: under the heat-insulating working condition, the M heating elements are electrically connected with a voltage source through respective on-off parts to form M heat generating circuits, wherein M is more than or equal to 1; under the fast heating condition, the N heating elements are electrically connected with a voltage source through the on-off parts respectively to form N heat generating circuits, wherein N is more than M.

Description

Heater and bathroom equipment

Technical Field

The utility model relates to the technical field of electric appliances, in particular to a heater and bathroom equipment.

Background

The existing heaters adopt heating sources made of electrothermal ceramic materials, the use safety coefficient of the heaters is higher, but the heaters can only operate with constant power and can not be used for users to reduce heating power after reaching target temperature, so the heaters lack of heat preservation working conditions, can not meet the requirement of users for adjusting indoor temperature, and have huge energy consumption and high use cost.

Disclosure of utility model

In view of the above, the utility model provides a heater and bathroom equipment which have various use conditions and can be used for a user to adjust heating power so as to operate at different powers under different conditions.

The heater provided by the utility model comprises a plurality of heating elements of a conducting element, wherein each heating element comprises a first conductor, an electrothermal ceramic part connected with the first conductor and an on-off part connected with the first conductor;

The conducting piece is used for connecting a voltage source and is connected with the electrothermal ceramic part, the conducting piece, the voltage source and each heating piece form a heat generating circuit, and each on-off part can be connected with the voltage source in an on-off way so as to be communicated with and block the heat generating circuit to which the on-off part belongs;

The heater has heat preservation operating mode and quick heating operating mode: under the heat-insulating working condition, the M heating elements are electrically connected with a voltage source through respective on-off parts to form M heat generating circuits, wherein M is more than or equal to 1; under the fast heating condition, the N heating elements are electrically connected with a voltage source through the on-off parts respectively to form N heat generating circuits, wherein N is more than M.

The heater has a quick heating working condition and a heat preservation working condition, and the quantity of heat generating circuits formed under the quick heating working condition is more than that of heat generating circuits formed under the heat preservation working condition, so that the heater can firstly operate the quick heating working condition, the indoor temperature is quickly increased by virtue of relatively more heat generating circuits, then the heat preservation working condition is operated, the indoor temperature is maintained in a certain temperature interval by relatively less heat generating circuits, and compared with the quick heating working condition, the power of the heater under the heat preservation working condition is lower, thereby effectively reducing the energy consumption and avoiding energy waste caused by the fact that the heater always operates under the quick heating working condition with relatively higher power.

In one embodiment, the plurality of heating elements are grouped at least two by two to form a plurality of heating groups, each heating group comprises at least two heating elements arranged along a first direction, the plurality of heating groups are arranged along a second direction, and an angle is formed between the first direction and the second direction.

By this arrangement, a larger number of heating elements can be provided for the heater in a limited installation space, so that the heater can be installed in the apparatus more easily.

In one embodiment, the plurality of heating elements are arranged in an array; or a plurality of heating elements of each heating group are arranged along the annular track, the first direction is the circumferential direction of the annular track, a plurality of concentric annular structures are formed by the plurality of groups of heating groups, and the second direction is the radial direction of the annular track.

So set up, heating element array arranges and makes the production and the assembly of heater realize easily, and the heating group arranges along annular orbit and makes the heating element can heat bigger space region, prevents that heat from concentrating in less space region and causing consumption utilization efficiency low.

In one embodiment, the number of the conducting members is plural, each conducting member comprises a second conductor for connecting to a voltage source, the plural second conductors are arranged along the second direction, and any one of the second conductors is connected to at least part of the electrothermal ceramic parts in one of the heating groups.

By the arrangement, the structural arrangement and the assembly process of the heater are simplified, any one second conductor can participate in forming a plurality of heat generating circuits, and efficient utilization of the second conductor is realized.

In one embodiment, the conducting member comprises a second conductor for connecting to a voltage source, the electrothermal ceramic parts of the at least two heating members are arranged along the extending direction of the second conductor and connected to the second conductor, and the at least two heating members are arranged along the width direction of the second conductor.

The arrangement simplifies the structural arrangement and the assembly process of the heater, the second conductor provides an arrangement reference for the arrangement of the heating elements along the extending direction of the second conductor and the arrangement of the heating elements along the width direction of the second conductor, and the assembly of the rest heating elements can be orderly completed on the basis of the pose determination of the second conductor.

In one embodiment, at least a portion of the second conductor is disposed side-by-side with each heating group; and/or the number of the groups of groups,

Each heating piece comprises two electrothermal ceramic parts, the two electrothermal ceramic parts are arranged in a way of being opposite to each other along the second direction, two sides of each heating group arranged in a way of being opposite to each other along the second direction are connected with second conductors, and the second conductors comprise metal bending plates connected to the electrothermal ceramic parts.

So set up, the heat generating capacity of every heating piece improves, and the electric heat ceramic part in every group heating group can accomplish the heat dissipation through the second conductor of both sides with higher efficiency, ensures electric heat ceramic part heat production stability.

In one embodiment, a plurality of second conductors are disposed between any two adjacent heating groups, wherein: between any adjacent two heating groups, the plurality of second conductors are configured to be insulated from each other; or a plurality of second conductors may be conductively connected.

So set up, the electric heat ceramic part of two adjacent groups heating group each can dispel the heat through a plurality of second conductors, ensures the high-efficient heat dissipation of electric heat ceramic part in order to consolidate the heat production ability.

In one embodiment, each heating element comprises at least two electrothermal ceramic parts, and in each heating element, electrothermal ceramic parts are connected to two sides of the first conductor.

So set up, the heat generating capacity of every heating member improves, in every heating member, and a plurality of electrothermal ceramic portions set up respectively in the both sides of first conductor, can prevent that electrothermal ceramic portion from being difficult to distribute because of gathering causes heat to can avoid weakening the heat generating capacity of electrothermal ceramic portion because of the heat dissipation is not good.

In one embodiment, each heating element comprises a plurality of first conductors, and in each heating element, the plurality of first conductors are sandwiched between at least two electrothermal ceramic parts, and the first conductors comprise metal bent plates connected to the electrothermal ceramic parts.

By the arrangement, the heat radiation capacity of each heating element is improved along with the improvement of the heat generation capacity, so that the stability of the heat generation performance of the electrothermal ceramic part is maintained.

In one embodiment, in each heating element, the plurality of first conductors are configured to be insulated from each other; or a plurality of first conductors may be conductively connected.

In one embodiment, the plurality of heating elements are arranged in a row along the predetermined trace.

By the arrangement, arrangement of the heating elements is simplified, and assembly of the heater is completed more easily.

In one embodiment, the preset stitch is one of a straight line, a broken line and a circular arc line; and/or the number of the groups of groups,

The quantity of the conducting parts is multiple, each conducting part comprises a second conductor used for being connected with a voltage source, the multiple second conductors are arranged in a queue along a preset stitch, and any one of the second conductors is connected with the electrothermal ceramic part of one of the heating parts.

The arrangement can set more heating elements for the heater in a limited installation space, and meanwhile, the arrangement of the heating elements does not influence the configuration and installation of other functional devices, so that the device is more convenient to be compatible with the heater and other functional devices.

In one embodiment, each conducting element comprises a wiring portion for connecting one of the neutral or live wires, and each on-off portion is connected to the other of the neutral or live wires in an on-off manner.

So set up, heater and equipment that uses this heater can insert town power supply line and use.

In one embodiment, the heater further includes a serial connection line, and the connection portions of the plurality of conductive members are connected in series by the serial connection line, the serial connection line being used for connecting one of the neutral line or the live line.

The arrangement is simpler in conductive connection between the heater and the voltage source, and the series connection wires can enable all the conducting pieces to be at the same potential, so that the consumption of wiring is reduced.

The bathroom equipment provided by the utility model comprises the heater.

Drawings

Fig. 1 is a schematic view showing a structure of a heater according to an embodiment of the present utility model at a first viewing angle;

Fig. 2 is a schematic view showing a structure of a heater according to an embodiment of the present utility model at a second viewing angle.

Reference numerals illustrate: 100. a heater; 10. a heating member; 101. a heating group; 11. a first conductor; 12. an electrothermal ceramic part; 13. an on-off part; 20. a conductive member; 21. a second conductor; 22. a wiring section; 41. a first wiring; 42. stringing wires; 43. a second wiring; 50. and a frame.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which a person of ordinary skill in the art would achieve without inventive faculty, are within the scope of the utility model.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "or/and" as used herein includes any and all combinations of one or more of the associated listed items.

The utility model provides a heater 100 and bathroom equipment comprising the heater 100, wherein the heater 100 comprises a conducting piece 20 and a plurality of heating pieces 10, each heating piece 10 comprises a first conductor 11, an on-off part 13 connected with the first conductor 11 and an electrothermal ceramic part 12 connected with the first conductor 11, the conducting piece 20 is used for being connected with a voltage source and is connected with the electrothermal ceramic parts 12 of all the heating pieces 10, the on-off part 13 is used for being connected with the voltage source so that the heating piece 10, the conducting piece 20 and the voltage source where each on-off part 13 is positioned form a heat generating circuit, namely the plurality of heating pieces 10 respectively form a plurality of heat generating circuits through the conducting piece 20 and the voltage source; the electrothermal ceramic part 12 can generate heat when a current passes therethrough.

In the embodiment shown in fig. 1-2, the heater 100 includes four heating elements 10, the conducting element 20 is connected to the four heating elements 10, and the four heating elements 10 form four heat generating circuits with the conducting element 20 and the voltage source respectively, that is, the number of the heat generating circuits is determined by the number of the heating elements 10.

The on-off part 13 of each heating element 10 can be connected with a voltage source in an on-off way, when any one on-off part 13 is disconnected with the voltage source, a heat generating circuit where the heating element 10 comprising the on-off part 13 is positioned is disconnected, and no current passes through the electrothermal ceramic part 12 in the heat generating circuit; when any one of the on-off parts 13 is connected with a voltage source, a heat generating circuit where the heating element 10 comprising the on-off part 13 is positioned is conducted, and at the moment, the electrothermal ceramic part 12 in the heat generating circuit has current to pass through and is in a heat generating working state.

The present utility model allows a user to selectively change the on-off state between the respective on-off portions 13 of the heating elements 10 and the voltage source, thereby selecting or changing the number of heat generating circuits in the on state, and thus the number of heating elements 10 in the operating state in the heater 100.

It should be noted that, the heat generating circuits formed by all the heating elements 10 are mutually independent, the on-off state of the heat generating circuit of each heating element 10 is only related to whether the on-off part 13 of the heating element 10 is connected with a voltage source, and when any one of the heat generating circuits is switched to the on state or the off state, the on-off states of other heat generating circuits are not affected.

The change in the number of heating elements 10 in the operation state means that the heating capacity of the heater 100 is changed, and the heater 100 and the bathroom equipment of the present utility model have at least two heating conditions including a heat-preserving condition and a rapid heating condition, that is, the heater 100 has different numbers of heat-generating circuits in the on state under the two conditions, respectively. Under the heat preservation working condition, the M heating elements 10 are electrically connected with a voltage source through respective on-off parts 13, so that M heat generating circuits are formed, and M is more than or equal to 1; in the fast heating condition, the N heating elements 10 are electrically connected to the voltage source through the respective on-off portions 13, so as to form N heat generating circuits, where N > M, M and N are positive integers.

The present utility model does not limit whether or not M, N is unique, and the present utility model allows the heater 100 to have two or more rapid heating conditions and allows the heater 100 to have two or more thermal insulation conditions, for example, referring to fig. 1 to 2, the heater 100 includes four heating elements 10, the four heating elements 10 can respectively form four independent heat generating circuits, and when the heater 100 is in the thermal insulation condition, the number of the heat generating circuits in the on state may be one or two; when the heater 100 is in the rapid heating mode, the number of heat generating circuits in the on state may be three or four.

In some embodiments, the plurality of heating elements 10 are laid in a preset mounting surface, and the electrothermal ceramic parts 12 of the plurality of heating elements 10 are orthographically projected on the preset mounting surface to form a plurality of heat radiation areas, and the heat radiation areas are arranged in the preset mounting surface in a non-overlapping manner.

Optionally, the plurality of heating elements 10 are grouped at least two by two to form a plurality of heating groups 101, each heating group 101 includes at least two heating elements 10, the plurality of heating elements 10 in any one heating group 101 are arranged along a first direction, the plurality of heating groups 101 are arranged along a second direction, an angle is formed between the first direction and the second direction, for example, in the embodiment shown in fig. 1-2, the first direction is perpendicular to the second direction, and the plurality of heating elements 10 in the heater 100 are arranged in an array.

In the embodiment shown in fig. 1 to 2, the number of the conductive members 20 is plural, and each conductive member 20 includes a second conductor 21 and a wiring portion 22 connected to the second conductor 21, and the second conductor 21 is connected to a voltage source through the wiring portion 22. The plurality of second conductors 21 are arranged in the second direction, and any one of the second conductors 21 is connected to the plurality of electrothermal ceramic parts 12 in one of the heating groups 101. Each second conductor 21 may be connected to all of the electrothermal ceramic parts 12 in one of the heating groups 101 or to part of the electrothermal ceramic parts 12 in one of the heating groups 101.

Specifically, in the embodiment shown in fig. 1-2, the voltage source is a town power supply line, the connection portion 22 is used for connecting a zero line, and the on-off portion 13 is connected to a live line in an on-off manner. Of course, in other embodiments, the connection portion 22 may be connected to a live wire, the on-off portion 13 may be connected to a neutral wire, and the voltage source is not limited to a town power supply line, but may be a power adapter, a battery, a power socket, or the like.

Referring to fig. 2, four heating elements 10 are denoted by S1, S2, S3, S4, respectively, the four heating elements 10 are arranged in groups of two to form two heating groups 101, two heating elements S1 and S2 form one heating group 101, and two heating elements S3 and S4 form the other heating group 101. The two heating elements 10 in each heating group 101 are arranged along the straight line direction of the arrow a, the multiple heating groups 101 are arranged along the straight line direction of the arrow B, the indication direction of the arrow a and the indication direction of the arrow B are mutually perpendicular, and the straight line direction of the arrow a and the straight line direction of the arrow B are respectively a first direction and a second direction.

Further, the second conductors 21 of the plurality of conductive elements 20 are arranged on a preset mounting surface along the second direction, the preset mounting surface is a plane, and at least part of the second conductors 21 are arranged side by side with any one heating group 101. Each second conductor 21 is strip-shaped and extends along a first direction, the electrothermal ceramic parts 12 in each heating group 101 are arranged along the extending direction (i.e., the first direction) of the second conductor 21 and are connected to the second conductor 21, and a plurality of heating elements 10 are arranged in the width direction of the second conductor 21, and optionally, a plurality of heating groups 101 are arranged along the width direction of the second conductor 21. In the embodiment shown in fig. 2, the width direction of the second conductor 21 is the second direction in which the arrow B is located.

So set up, the second conductor 21 provides unified benchmark for the arrangement of a plurality of heating pieces 10, and after a plurality of heating pieces 10 of every group heating group 101 are arranged along the extending direction of second conductor 21, can realize parallel and level setting or smooth joint transition between these heating pieces 10, and multiunit heating group 101 can realize orderly setting in proper order in the width direction of second conductor 21, can not cause the heating piece 10 mutual interference between different groups.

In some embodiments not shown in the figures, the first direction and the second direction may not necessarily be two straight directions in the examples shown in fig. 1 to 2. For example, the plurality of heating elements 10 of each heating group 101 may be arranged along an annular track, the annular track may be a closed-loop track, or an annular track with an opening, a first direction is an extending direction of the annular track, a second direction forms an angle with the annular track, when the annular track is in a circular shape, the plurality of heating groups 101 form a plurality of concentric circular ring structures, the first direction is a circumferential direction of the annular track, the plurality of heating elements 10 of each heating group 101 are arranged along a circumferential direction of the annular track, and the second direction is a radial direction of the annular track.

On the basis that the plurality of heating groups 101 form a plurality of concentrically arranged annular structures, each heating group 101 comprises a plurality of heating elements 10 distributed along an annular track, the second conductor 21 can be of an extending annular structure, the electrothermal ceramic parts 12 of two or more heating elements 10 are distributed along the extending direction of the second conductor 21 and are connected with the second conductor 21, preferably, all the heating elements 10 in each heating group 101 are distributed along the extending direction of the second conductor and are all connected with the second conductor 21; and the heating elements 10 belonging to the different heating groups 101 are arranged in the width direction of the second conductor 21 (when the second conductor 21 is of a ring-shaped structure, the width direction of the second conductor 21 is the radial direction of the ring-shaped structure formed by the second conductor 21).

Alternatively, on the basis that the plurality of heating groups 101 form a plurality of concentrically arranged annular structures, each heating group 101 includes a plurality of heating elements 10 arranged along an annular track, and the second conductors 21 are extended in an annular structure, when the number of the second conductors 21 is plural, the plurality of second conductors 21 form a plurality of concentrically arranged annular structures, and the second conductors 21 are arranged along a radial direction of the annular track.

It will be appreciated that the annular track is not limited to a circular ring, but may be an elliptical ring, a rectangular square ring, or a polygonal ring of other shapes.

In the embodiment shown in fig. 1-2, the electrothermal ceramic portion 12 is a PTC ceramic sheet, the first conductor 11 includes a metal bending plate connected to the electrothermal ceramic portion 12, the second conductor 21 includes a metal bending plate connected to the electrothermal ceramic portion 12, the metal bending plate may be an aluminum alloy bending plate, the metal bending plates of the first conductor 11 and the second conductor 21 not only can conduct electricity, but also has a heat dissipation function, so as to help the electrothermal ceramic portion 12 dissipate heat and avoid excessive heat from concentrating on the electrothermal ceramic portion 12 during long-term use, and the metal bending plates of the first conductor 11 and the second conductor 21 respectively have a heat dissipation air gap for passing air. In this embodiment, the metal bending plate is connected to the electrothermal ceramic part 12 through a conductive metal plate.

Further, referring to fig. 1-2, each heating element 10 includes two electrothermal ceramic portions 12, in any heating element 10, the two electrothermal ceramic portions 12 are respectively located at two sides of the first conductor 11 of the heating element 10, the two electrothermal ceramic portions 12 are oppositely disposed along the second direction, two sides of each heating group 101 oppositely disposed along the second direction are respectively connected with the second conductor 21, that is, two sides of each heating element 10 oppositely disposed along the second direction are respectively connected with the second conductor 21. At least two second conductors 21 are provided between any two adjacent heating groups 101, and as shown in fig. 2, two second conductors 21 are provided between two heating groups 101, and the two second conductors 21 may be configured to be insulated from each other or may form a conductive connection.

Of course, in other embodiments, each heating element 10 may further include one, three, or more electrothermal ceramic portions 12, and when each heating element 10 includes three or more electrothermal ceramic portions 12, these electrothermal ceramic portions 12 are disposed on opposite sides of the first conductor 11 in a dispersed manner.

In some embodiments, referring to fig. 1-2, each heating element 10 includes a plurality of first conductors 11 and includes at least two electrothermal ceramic portions 12, and in any one heating element 10, the plurality of first conductors 11 are sandwiched between the at least two electrothermal ceramic portions 12, and the first conductors 11 may be configured to be insulated from each other or form an electrically conductive connection. When the first conductors 11 are insulated from each other, the same on-off portion 13 may control the electrical on-off, or the plurality of on-off portions 13 may control the electrical on-off.

Optionally, the first conductors 11 include metal bending plates with heat dissipation air gaps, which not only can conduct electricity, but also has a heat dissipation function, so that the electrothermal ceramic part 12 can be helped to obtain a better heat dissipation effect, and air can carry away heat on the surface of the electrothermal ceramic part 12 in a heat convection and heat conduction mode when passing through the heat dissipation air gaps, so that the heat is prevented from being concentrated on the electrothermal ceramic part 12 for a long time.

Further, the heater 100 further includes a first connection 41, a second connection 43, and a serial connection 42, wherein the on-off portion 13 of each heating element 10 is connected to the first connection 41 and is connected to the live wire in an on-off manner through the first connection 41, the connection portion 22 of each conducting element 20 is connected in series through the serial connection 42, one end of the second connection 43 is connected to the serial connection 42, and the other end is connected to the neutral wire. The neutral-second connection 43-series connection 42 is always kept in a conductive state, and the on-off portion 13-first connection 41-live wire can be switched between a conductive state and a blocking state. The heat-generating circuits formed by the plurality of heating elements 10 are thus connected in parallel in the town power supply line, wherein the disconnection of one heat-generating circuit does not affect the continued normal operation of the other heat-generating circuit.

Of course, in other embodiments, the on-off portion 13 can also be configured to be on-off connectable to a neutral line, with the wiring portion 22 being connected indirectly or directly to a live line through a serial connection.

Further, the heater 100 further includes a frame 50, the frame 50 is in a rectangular structure, the plurality of heating elements 10 and the conducting elements 20 arranged in an array form a plate-like or cuboid-like structure together, so that all the first conductors 11, all the electrothermal ceramic parts 12 and all the second conductors 21 are fixedly sleeved in the frame 50, and the on-off parts 13 and the wiring parts 22 extend out of the frame 50 to be convenient for connecting a voltage source.

Optionally, a frame is disposed between each first conductor 11, each second conductor 21, two adjacent first conductors 11, and two adjacent second conductors 21, and each first conductor 11 and each second conductor 21 are embedded in an embedded groove formed by the frame.

For convenience of description, two second conductors 21 located on opposite sides of the first heating group 101 are defined as a second conductor a and a second conductor B, and two second conductors 21 located on opposite sides of the second heating group 101 are defined as a second conductor c and a second conductor d, which are sequentially arranged in the direction indicated by an arrow B in fig. 2; a second conductor b and a second conductor c adjacently arranged between the first group heating group 101 and the second group heating group 101 are electrically connected through an electrically conductive metal plate;

The three wiring parts 22 on the left side of fig. 2 are defined as a first wiring part 22, a second wiring part 22, and a third wiring part 22, respectively, the first wiring part 22, the second wiring part 22, and the third wiring part 22 being sequentially arranged in the direction indicated by an arrow B;

The on-off portions 13 of the heating elements S1, S2, S3, S4 are defined as a first on-off portion 13, a second on-off portion 13, a third on-off portion 13, and a fourth on-off portion 13, respectively:

The heating element S1 and the heating element S2 are positioned between the second conductor a and the second conductor b, the heating element S3 and the heating element S4 are positioned between the second conductor c and the second conductor d, the first wiring part 22 is connected with the second conductor a, the second wiring part 22 is connected with the second conductor b and the second conductor c, and the third wiring part 22 is connected with the second conductor d;

In the case where the series line 42 is connected in series with the wiring portions 22 of all the conductive members 20, and the second wiring 43 is connected to the series line 42 and the zero line, respectively:

When the first on-off part 13 is connected to the live wire in fig. 2 and the other on-off parts 13 are disconnected from the live wire, the current flows into the heating element S1 through the first on-off part 13, then flows through the second conductor a and the second conductor b, then flows to the first wiring part 22 and the second wiring part 22 in fig. 2, and finally flows through the second wiring 43 and the zero wire;

When the second switching part 13 is connected to the live wire in fig. 2 and the other switching parts 13 are disconnected from the live wire, the current flows into the heating element S2 through the second switching part 13 first, then flows through the second conductor a and the second conductor b, then flows to the first wiring part 22 and the second wiring part 22 in fig. 2, and finally flows through the second wiring 43 and the zero line;

When the third on-off part 13 is connected to the live wire in fig. 2 and the other on-off parts 13 are disconnected from the live wire, the current flows into the heating element S3 through the third on-off part 13 first, then flows through the second conductor c and the second conductor d, then flows to the second wiring part 22 and the third wiring part 22 in fig. 2, and finally flows through the second wiring 43 and the zero wire;

When the fourth switching section 13 is connected to the live wire in fig. 2 and the other switching sections 13 are disconnected from the live wire, the current flows into the heating element S4 through the fourth switching section 13 first, then flows through the second conductor c and the second conductor d, then flows to the second wiring section 22 and the third wiring section 22 in fig. 2, and finally flows through the second wiring 43 and the neutral wire.

In some embodiments, not shown in the drawings, the plurality of heating elements 10 are arranged along a preset trace line in the preset mounting surface, the heater 100 further includes at least one conducting element 20 for connecting to a voltage source, each conducting element 20 includes a second conductor 21 for connecting to the voltage source, when the number of conducting elements 20 is plural, the plurality of second conductors 21 may be arranged along the same preset trace line, so that any one of the second conductors 21 is connected to the electrothermal ceramic portion 12 of one of the heating elements 10, and of course, the plurality of second conductors 21 may also be arranged along another trace line having the same shape as the preset trace line, that is, the arrangement line of the second conductors 21 is not coincident with the arrangement line of the heating elements 10.

Optionally, the preset stitch may be a straight line, a fold line, an arc line or a curve with other shapes, the arc line may be a circular ring, a major arc or a minor arc, and the shape of the preset stitch may be selected according to actual needs, for example, in a bathroom facility or other types of facilities with the heater 100, when other functional devices are required to be arranged in a compatible manner, the preset stitch can enable the queue formed by the heater 10 to avoid other functional devices, eliminating interference between the heater 100 and other functional devices, and the heater 100 of the present utility model can form a plurality of mutually independent heat generating circuits no matter how the heater 10 is arranged.

Optionally, each heating element 10 includes at least two electrothermal ceramic parts 12, and in each heating element 10, electrothermal ceramic parts 12 are connected to both sides of the first conductor 11.

Optionally, on the basis that the electrothermal ceramic parts 12 are connected to both sides of the first conductor 11 of each heating element 10, each heating element 10 includes a plurality of first conductors 11, and the plurality of first conductors 11 are sandwiched between at least two electrothermal ceramic parts 12, where the first conductors 11 may be insulated from each other or may form a conductive connection.

The heater 100 of the present utility model selects or varies the heating capacity of the heater 100 by allowing a user to select or vary the number of heat generating circuits in an on state such that the heater 100 no longer has a heating condition corresponding to only one power, the variety of which increases. The plurality of heating conditions include a rapid heating condition and a thermal insulation condition, the number of heat generating circuits formed under the rapid heating condition is greater than that of heat generating circuits formed under the thermal insulation condition, so that the heater 100 can operate the rapid heating condition first, the indoor temperature is rapidly increased by virtue of the relatively more heat generating circuits, then the thermal insulation condition is operated, the indoor temperature is maintained in a certain temperature interval by the relatively less heat generating circuits, compared with the rapid heating condition, the heating group 101 comprises a plurality of heating elements 10, the number of the operation of the heating elements 10 can be randomly selected in a larger number range by the heater 100 under the thermal insulation condition, the power of the heater 100 is lower, the energy consumption can be effectively reduced, and the energy waste caused by the fact that the heater 100 always operates in the rapid heating condition with relatively higher power is avoided.

The technical features of the above-described embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above-described embodiments are not described, however, all of the combinations of the technical features should be considered as being within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

It will be appreciated by persons skilled in the art that the above embodiments have been provided for the purpose of illustrating the utility model and are not to be construed as limiting the utility model, and that suitable modifications and variations of the above embodiments are within the scope of the utility model as claimed.

Claims (15)

1. A heater, characterized by comprising a conducting piece (20) and a plurality of heating pieces (10), wherein each heating piece (10) comprises a first conductor (11), an electrothermal ceramic part (12) connected with the first conductor (11) and an on-off part (13) connected with the first conductor (11);

The conducting piece (20) is used for being connected with a voltage source and is connected with the electrothermal ceramic part (12), the conducting piece (20), the voltage source and each heating piece (10) form a heat generating circuit, and each on-off part (13) can be connected with the voltage source in an on-off way so as to be communicated with and block the heat generating circuit to which the on-off part (13) belongs;

The heater has heat preservation operating mode and quick heating operating mode:

Under the heat preservation working condition, the M heating elements (10) are electrically connected with a voltage source through the on-off parts (13) so as to form M heat generating circuits, wherein M is more than or equal to 1;

Under the rapid heating condition, N heating elements (10) are electrically connected with a voltage source through the on-off parts (13) so as to form N heat generating circuits, wherein N is more than M.

2. The heater according to claim 1, wherein a plurality of said heating elements (10) are arranged in groups at least two by two and form a plurality of groups of heating groups (101), each group of said heating groups (101) comprising at least two of said heating elements (10) arranged in a first direction, a plurality of groups of said heating groups (101) being arranged in a second direction, said first direction and said second direction forming an angle therebetween.

3. The heater according to claim 2, wherein a plurality of said heating elements (10) are arranged in an array; or alternatively

The plurality of heating elements (10) of each heating group (101) are arranged along an annular track, the first direction is the circumferential direction of the annular track, the plurality of groups of heating groups (101) form a plurality of concentrically arranged annular structures, and the second direction is the radial direction of the annular track.

4. A heater according to claim 2, wherein the number of said conductive members (20) is plural, each of said conductive members (20) including a second conductor (21) for connecting a voltage source, a plurality of said second conductors (21) being arranged in said second direction, any one of said second conductors (21) being connected to at least part of said electrothermal ceramic portions (12) in one of said heating groups (101).

5. A heater according to claim 4, wherein at least part of said second conductors (21) are arranged side by side with each of said heating groups (101); and/or the number of the groups of groups,

Each heating element (10) comprises two electrothermal ceramic parts (12), the two electrothermal ceramic parts (12) are oppositely arranged along the second direction, and the two sides of each heating group (101) which are oppositely arranged along the second direction are connected with the second conductors (21).

6. A heater according to claim 4, wherein a plurality of said second conductors (21) are provided between any adjacent two of said heating groups (101), wherein:

Between any adjacent two of the heating groups (101), a plurality of the second conductors (21) are configured to be insulated from each other; or a plurality of said second conductors (21) may be conductively connected.

7. The heater according to claim 1, wherein the conducting member (20) comprises a second conductor (21) for connecting a voltage source, and the electrothermal ceramic portions (12) of at least two of the heating elements (10) are arranged along an extending direction of the second conductor (21) and connected to the second conductor (21).

8. The heater according to claim 1, wherein each heating element (10) comprises at least two electrothermal ceramic parts (12), and wherein in each heating element (10), the electrothermal ceramic parts (12) are connected to both sides of the first conductor (11).

9. A heater according to claim 8, wherein each of said heating elements (10) comprises a plurality of said first conductors (11), and wherein in each of said heating elements (10) a plurality of said first conductors (11) are sandwiched between at least two of said electrothermal ceramic elements (12).

10. The heater according to claim 9, wherein in each of the heating elements (10), a plurality of the first conductors (11) are configured to be insulated from each other; or a plurality of said first conductors (11) may be conductively connected.

11. A heater according to claim 1 or 7 or 8 or 9 or 10, characterized in that a plurality of said heating elements (10) are arranged in a line along a predetermined trajectory.

12. The heater of claim 11, wherein the predetermined trace is one of a straight line, a broken line, and a circular arc; and/or the number of the groups of groups,

The number of the conducting pieces (20) is multiple, each conducting piece (20) comprises a second conductor (21) used for being connected with a voltage source, the multiple second conductors (21) are arranged in a queue along the preset stitch, and any one of the second conductors (21) is connected with the electrothermal ceramic part (12) of one heating piece (10).

13. A heater according to claim 1, wherein each of said conductive members (20) comprises a wiring portion (22), said wiring portion (22) being for connecting one of a neutral wire or a live wire, each of said on-off portions (13) being on-off connectable to the other of the neutral wire or the live wire.

14. The heater of claim 13, further comprising a series connection (42), wherein the connection portions (22) of each of the plurality of conductive members (20) are connected in series by the series connection (42), the series connection (42) being for connecting one of a neutral wire or a live wire.

15. A sanitary arrangement, characterized in that it comprises a heater (100) according to any one of claims 1-14.