CN220507036U - Electric heating device for air conditioner and air conditioner indoor unit - Google Patents

Abstract

The application relates to the technical field of air conditioners, and discloses an electric heating device for an air conditioner, wherein the electric heating device for the air conditioner comprises: the bracket is used for defining an accommodating space and is provided with a plurality of through holes, and the through holes are respectively arranged at two sides of the bracket so that air can flow into the accommodating space and flow out of the accommodating space; the electric heating plate is arranged in the accommodating space; and one end of the connecting piece is connected with the electric heating plate, and the other end of the connecting piece is connected with the bracket. Compared with the heat exchange mode in the related art, the heat exchange mode has the advantages that through the arrangement of the through holes, the air passing area of the electric heating device for the air conditioner can be effectively increased, and the heat exchange efficiency of the electric heating device for the air conditioner is improved. The application also discloses an air conditioner indoor unit.

Description

Electric heating device for air conditioner and air conditioner indoor unit

Technical Field

The present application relates to the field of air conditioning technologies, and for example, to an electric heating device for an air conditioner and an air conditioner indoor unit.

Background

At present, in order to improve heating in winter, the existing air conditioner mainly meets the user requirement through an indoor auxiliary electric heater, while the existing auxiliary heater mainly comprises a tubular electric heater, the surface load of the upper electric heating mode is limited, the power in the limited space of an indoor unit cannot be too high, particularly a constant-speed product, the auxiliary electric heating power accounts for more than 50% of the whole machine electricity in winter, and the contradiction is more and more prominent.

The related art discloses an air conditioner with a ceramic PTC electric heater, wherein an auxiliary electric heater is arranged in the air conditioner and comprises a radiator and an electric heater, the electric heater comprises a shell and the ceramic PTC electric heater arranged in the shell, the ceramic PTC electric heater is provided with a plurality of ceramic PTC electric heating units, each ceramic PTC electric heating unit comprises at least one ceramic sheet and PTC sheets, silver conductive electrodes are coated at two ends of each PTC sheet in the ceramic PTC electric heating unit, electrode plates are arranged at two ends of each PTC sheet coated with the silver conductive electrodes to connect the PTC sheets of each unit in parallel, insulating paper is arranged between the electrode plates and the shell, and the shell is arranged in the radiator.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

the electric auxiliary heating of the existing air conditioner adopts a ceramic PTC electric heater for heating, the air passing area of the ceramic PTC electric heater is small, and the heat exchange effect is poor.

It should be noted that the information disclosed in the foregoing background section is only for enhancing understanding of the background of the present application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview, and is intended to neither identify key/critical elements nor delineate the scope of such embodiments, but is intended as a prelude to the more detailed description that follows.

The embodiment of the disclosure provides an electric heating device for an air conditioner and an air conditioner indoor unit, so as to solve the problem that the heat exchange effect is poor due to the small wind passing area of the traditional ceramic PTC electric heater.

Embodiments of the first aspect of the present application provide an electric heating device for an air conditioner, the electric heating device for an air conditioner including: the bracket is used for defining an accommodating space and is provided with a plurality of through holes, and the through holes are respectively arranged at two sides of the bracket so that air can flow into the accommodating space and flow out of the accommodating space; the electric heating plate is arranged in the accommodating space; and one end of the connecting piece is connected with the electric heating plate, and the other end of the connecting piece is connected with the bracket.

In some alternative embodiments, the stent comprises: a first sidewall; the second side wall is arranged opposite to the first side wall; the first end of the third side wall is connected with one end of the first side wall, and the second end of the third side wall is connected with one end of the second side wall; a fourth side wall, the first end of which is connected with the other end of the first side wall, and the second end of which is connected with the other end of the second side wall; the first side wall, the second side wall, the third side wall and the fourth side wall enclose an accommodating space together, and the plurality of through holes are respectively formed in the first side wall, the second side wall, the third side wall and the fourth side wall.

In some alternative embodiments, the number of the electric heating plates is a plurality, and the plurality of electric heating plates are arranged in the accommodating space at intervals; the quantity of connecting piece is a plurality of, and a plurality of connecting pieces and a plurality of electric heating piece one-to-one set up to make a plurality of electric heating pieces all with leg joint.

In some alternative embodiments, the electric heating device for an air conditioner further includes: and the controller is electrically connected with the plurality of electric heating plates and is configured to control at least one of the plurality of electric heating plates to be independently opened and closed.

In some alternative embodiments, the plurality of electrical heating patches comprises: the first electric heating plate is arranged on the first side wall; the second electric heating plate is arranged on the third side wall, and the third electric heating plate is arranged on the fourth side wall.

In some alternative embodiments, the windward side of the bracket is provided with a plurality of air inlet holes, and the leeward side of the bracket is provided with a plurality of air outlet holes; the windward side comprises a first side wall, a third side wall and a fourth side wall, the leeward side comprises a second side wall, the through hole comprises an air inlet hole and an air outlet hole, and the length of the first side wall is smaller than that of the second side wall.

In some alternative embodiments, the open area of the air outlet is greater than the air inlet area of the air inlet.

In some alternative embodiments, the electrically heated sheet is made of a superconducting alloy material.

An embodiment of a second aspect of the present application provides an air conditioning indoor unit comprising an electrical heating device for an air conditioner as described in any of the above alternative embodiments.

In some alternative embodiments, the air conditioning indoor unit further includes: the evaporator bracket is provided with a connecting part towards the end part of the bracket; the evaporator is arranged between the evaporator brackets, two ends of the evaporator are connected with the evaporator brackets, the brackets are arranged beside the bending positions of the evaporator, and the end parts of the brackets are provided with connecting structures matched with the connecting parts so that an electric heating device for the air conditioner is connected with the evaporator brackets.

The embodiment of the disclosure provides an electric heating device for an air conditioner and an air conditioner indoor unit, which can realize the following technical effects:

through setting up the support, the support defines accommodation space, can set up heating element in accommodation space inside, and the heat that outwards gives off when avoiding heating element heating is too much, leads to the overheated condition emergence of part around the support mounted position in the air conditioner. Through set up a plurality of through-holes in the both sides of support, can make the air flow into accommodation space from the through-hole that is located support one side, carry out heat exchange with heating element in accommodation space, after the heat transfer is accomplished and follow the through-hole that is located the support opposite side and flow out accommodation space. Through setting up electric heating piece and connecting piece and be connected the one end and the electric heating piece of connecting piece, the other end and the leg joint of connecting piece, the connecting piece can be with electric heating piece and leg joint, is fixed in the accommodation space that the support limited with electric heating piece in, carries out heat exchange with the air in accommodation space electric heating piece, avoids electric heating piece to connect unstable condition to appear. Compared with the ceramic PTC electric heater in the related art, the electric heating device for the air conditioner can effectively increase the wind passing area of the electric heating device for the air conditioner and improve the heat exchange efficiency of the electric heating device for the air conditioner by arranging a plurality of through holes.

The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.

Drawings

One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which like reference numerals refer to similar elements, and in which:

fig. 1 is a schematic view of an electric heating apparatus for an air conditioner according to an embodiment of the present disclosure;

fig. 2 is a schematic structural view of an electric heating apparatus for an air conditioner according to another view angle provided by an embodiment of the present disclosure;

FIG. 3 is a schematic cross-sectional view of an electrical heating apparatus for an air conditioner according to an embodiment of the present disclosure;

fig. 4 is a schematic view of a part of the structure of an indoor unit of an air conditioner according to an embodiment of the present disclosure;

fig. 5 is a schematic cross-sectional view of fig. 4 provided by an embodiment of the present disclosure.

Reference numerals:

10: support, 11: first side wall, 12: second side wall, 13: third side wall, 14: fourth side wall, 15: through hole, 151: air inlet holes, 152: air outlet hole, 16: connection structure, 20: electric heating plate, 21: first electric heating plate, 22: second electric heating plate, 23: third electric heating plate, 30: a connecting piece,

40: evaporator, 50: evaporator stand, 51: and a connecting part.

Detailed Description

So that the manner in which the features and techniques of the disclosed embodiments can be understood in more detail, a more particular description of the embodiments of the disclosure, briefly summarized below, may be had by reference to the appended drawings, which are not intended to be limiting of the embodiments of the disclosure. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may still be practiced without these details. In other instances, well-known structures and devices may be shown simplified in order to simplify the drawing.

The terms first, second and the like in the description and in the claims of the embodiments of the disclosure and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged where appropriate in order to describe the presently disclosed embodiments. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

In the embodiments of the present disclosure, the terms "upper", "lower", "inner", "middle", "outer", "front", "rear", and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe embodiments of the present disclosure and embodiments thereof and are not intended to limit the indicated device, element, or component to a particular orientation or to be constructed and operated in a particular orientation. Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the embodiments of the present disclosure will be understood by those of ordinary skill in the art in view of the specific circumstances.

In addition, the terms "disposed," "connected," "secured" and "affixed" are to be construed broadly. For example, "connected" may be in a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the embodiments of the present disclosure may be understood by those of ordinary skill in the art according to specific circumstances.

The term "plurality" means two or more, unless otherwise indicated.

In the embodiment of the present disclosure, the character "/" indicates that the front and rear objects are an or relationship. For example, A/B represents: a or B.

The term "and/or" is an associative relationship that describes an object, meaning that there may be three relationships. For example, a and/or B, represent: a or B, or, A and B.

It should be noted that, without conflict, the embodiments of the present disclosure and features of the embodiments may be combined with each other.

As shown in fig. 1 to 3, the embodiment of the present disclosure provides an electric heating device for an air conditioner, which includes a bracket 10, an electric heating sheet 20, and a connection member 30, wherein the bracket 10 defines an accommodating space and is provided with a plurality of through holes 15, and the plurality of through holes 15 are respectively provided at both sides of the bracket 10 so that air can flow into and out of the accommodating space; the electric heating plate 20 is arranged in the accommodating space; one end of the connecting member 30 is connected to the electric heating plate 20, and the other end of the connecting member 30 is connected to the bracket 10.

By adopting the electric heating device for the air conditioner, which is provided by the embodiment of the disclosure, through the arrangement of the support 10, the support 10 defines the accommodating space, and the heating component can be arranged inside the accommodating space, so that excessive heat emitted outwards during heating of the heating component is avoided, and the overheat of components around the installation position of the support 10 in the air conditioner is caused. By providing the plurality of through holes 15 on both sides of the bracket 10, air can flow into the accommodating space from the through holes 15 on one side of the bracket 10, exchange heat with the heating member in the accommodating space, and flow out of the accommodating space from the through holes 15 on the other side of the bracket 10 after the heat exchange is completed. Through setting up electric heating plate 20 and connecting piece 30 and be connected the one end of connecting piece 30 with electric heating plate 20, the other end and the support 10 of connecting piece 30 are connected, and connecting piece 30 can be connected electric heating plate 20 with support 10, is fixed in the accommodation space that support 10 limited with electric heating plate 20 in, carries out heat exchange with the air electric heating plate 20 in accommodation space, avoids electric heating plate 20 to connect unstable condition to appear. Compared with the ceramic PTC electric heater in the related art, the electric heating device for the air conditioner can effectively increase the wind passing area of the electric heating device for the air conditioner and improve the heat exchange efficiency of the electric heating device for the air conditioner by arranging the plurality of through holes 15.

Alternatively, the bracket 10 includes a first side wall 11, a second side wall 12, a third side wall 13, and a fourth side wall 14, the second side wall 12 being disposed opposite the first side wall 11; the first end of the third side wall 13 is connected with one end of the first side wall 11, and the second end of the third side wall 13 is connected with one end of the second side wall 12; the first end of the fourth side wall 14 is connected with the other end of the first side wall 11, and the second end of the fourth side wall 14 is connected with the other end of the second side wall 12; the first side wall 11, the second side wall 12, the third side wall 13 and the fourth side wall 14 together enclose an accommodating space, and the plurality of through holes 15 are respectively formed in the first side wall 11, the second side wall 12, the third side wall 13 and the fourth side wall 14.

By adopting the electric heating device for the air conditioner, which is provided by the embodiment of the disclosure, the wall surfaces of the first side wall 11, the second side wall 12, the third side wall 13 and the fourth side wall 14 are provided with the plurality of through holes 15, so that no matter whether air enters the accommodating space from any direction of the bracket 10, the bracket 10 can be guaranteed to be capable of well intaking and outputting air, and further the electric heating efficiency is guaranteed.

Illustratively, as shown in connection with fig. 1 and 2, the stent 10 is a quadrangular prism structure, and the cross section of the stent 10 is trapezoidal.

It should be noted that the structural shape of the bracket 10 may be flexibly adjusted according to the actual requirement, that is, the structure of the bracket 10 is not limited to include the first side wall 11, the second side wall 12, the third side wall 13 and the fourth side wall 14, but may include the fifth side wall.

Alternatively, the number of the electric heating plates 20 is plural, and the plural electric heating plates 20 are arranged in the accommodating space at intervals; the number of the connecting pieces 30 is plural, and the plurality of connecting pieces 30 are arranged in one-to-one correspondence with the plurality of electric heating plates 20, so that the plurality of electric heating plates 20 are connected with the bracket 10.

By adopting the electric heating device for the air conditioner, which is provided by the embodiment of the disclosure, the heating area can be increased by arranging the plurality of electric heating sheets 20 and arranging the plurality of electric heating sheets 20 in the accommodating space at intervals, and then the heating efficiency of the electric heating device for the air conditioner can be effectively improved. Through setting up a plurality of connecting pieces 30 and a plurality of electric heater strip 20 one-to-one, can be with a plurality of electric heater strip 20 and support 10 fixed connection, guarantee the connection stability of a plurality of electric heater strips 20 and support 10.

Optionally, the electric heating apparatus for an air conditioner further includes a controller electrically connected to each of the plurality of electric heating plates 20, the controller being configured to control at least one of the plurality of electric heating plates 20 to be individually opened and closed.

By adopting the electric heating device for the air conditioner provided by the embodiment of the disclosure, the controller is configured to control at least one of the plurality of electric heating plates 20 to be opened and closed independently, that is, the plurality of electric heating plates 20 can be opened and closed partially at the same time, and the plurality of electric heating plates 20 can also be opened and closed all at the same time by arranging the controller and electrically connecting the controller with the plurality of electric heating plates 20. Thus, the number of the opened electric heating plates 20 can be controlled according to the actual heating requirement, so as to meet various heating requirements.

Specifically, the user may send a control instruction to the controller, and the controller controls one or more of the plurality of electric heating plates 20 to be opened and closed according to the control instruction, so as to meet various heating requirements of the user.

Illustratively, as shown in connection with FIG. 3, the number of the plurality of electric heating plates 20 is three, and when the user sends a control command of intense heat to the controller, the controller controls the three electric heating plates 20 to be all turned on; when a user sends a medium-heat control instruction to the controller, the controller controls two of the three electric heating plates 20 to be started; when the user sends a low heat control command to the controller, the controller controls one of the three electric heating plates 20 to be turned on.

Thus, the user can control the electric heating plates 20 with different numbers to be started according to different heating demands, and the use convenience is improved.

Optionally, the plurality of electric heating plates 20 includes a first electric heating plate 21, a second electric heating plate 22, and a third electric heating plate 23, the first electric heating plate 21 is disposed on the first side wall 11, the second electric heating plate 22 is disposed on the third side wall 13, and the third electric heating plate 23 is disposed on the fourth side wall 14.

By adopting the electric heating device for the air conditioner provided by the embodiment of the disclosure, and combining with the illustrations in fig. 1 to 3, by arranging the first electric heating sheet 21, the second electric heating sheet 22 and the third electric heating sheet 23, and arranging the first electric heating sheet 21 on the first side wall 11, the second electric heating sheet 22 on the third side wall 13, and the third electric heating sheet 23 on the fourth side wall 14, the space of the accommodating space can be reasonably utilized, and when the three electric heating sheets 20 are all opened, the heat exchange is more sufficient, and the heat exchange effect of the electric heating sheets 20 is improved.

Optionally, the electric heating device for an air conditioner further includes a temperature sensor electrically connected to the controller, the temperature sensor being configured to detect an external ambient temperature and transmit a temperature detection result to the controller, the controller controlling one or more of the three electric heating sheets 20 to be opened and closed according to a comparison result of the temperature detection result and a preset temperature value.

Thus, by arranging the sensor and the controller, the opening number of the electric heating plates 20 can be automatically adjusted according to the external environment temperature, and the degree of automation of the electric heating device for the air conditioner is improved.

Specifically, when the temperature value detected by the temperature sensor is smaller than a first preset temperature value, the controller controls all three electric heating plates 20 to be turned on; when the temperature value detected by the temperature sensor is greater than or equal to the first preset temperature value and less than the second preset temperature value, the controller controls two of the three electric heating plates 20 to be turned on, and when the temperature value detected by the temperature sensor is greater than or equal to the second preset temperature value, the controller controls one of the three electric heating plates 20 to be turned on, wherein the second preset temperature value is greater than the first preset temperature value.

For example, as shown in connection with fig. 3, the first preset temperature value is 24 ℃ and the second preset temperature value is 28 ℃. When the temperature sensor detects that the ambient temperature is less than 24 ℃, the controller controls the first electric heating plate 21, the second electric heating plate 22 and the third electric heating plate 23 to be simultaneously turned on; when the temperature sensor detects that the ambient temperature is greater than or equal to 24 ℃ and less than 28 ℃, the controller controls the first electric heating sheet 21 and the second electric heating sheet 22 to be turned on, and the third electric heating sheet 23 to be turned off; when the temperature sensor detects that the ambient temperature is greater than or equal to 28 ℃, the controller controls the first electric heating plate 21 to be turned on, and the second electric heating plate 22 and the third electric heating plate 23 to be turned off.

Like this, when ambient temperature is lower, can realize promoting external ambient temperature fast, satisfy the manifold heating demand of user.

Optionally, a plurality of air inlet holes 151 are formed on the windward side of the support 10, and a plurality of air outlet holes 152 are formed on the leeward side of the support 10; the windward side comprises a first side wall 11, a third side wall 13 and a fourth side wall 14, the leeward side comprises a second side wall 12, the through hole 15 comprises an air inlet hole 151 and an air outlet hole 152, and the length of the first side wall 11 is smaller than that of the second side wall 12.

By adopting the electric heating device for the air conditioner provided by the embodiment of the disclosure, the windward side of the bracket 10 is provided with the plurality of air inlet holes 151 and the leeward side is provided with the plurality of air outlet holes 152, and air can enter the accommodating space from the air inlet holes 151 on the first side wall 11, the third side wall 13 and the fourth side wall 14 which are positioned on the windward side, then exchanges heat with the electric heating plate 20 in the accommodating space, and flows out from the air outlet holes 152 on the second side wall 12 which is positioned on the leeward side. By setting the length of the first side wall 11 smaller than that of the second side wall 12, and combining with the configuration shown in fig. 3, the cross section of the bracket 10 is trapezoidal, and a certain angle exists between the third side wall 13 and the fourth side wall 14 and the vertical direction, so that air can flow into the accommodating space from the air inlet 151 formed in the third side wall 13 and the fourth side wall 14, the inflow of air flowing into the accommodating space is increased, and the heat exchange efficiency of the electric heating device for the air conditioner is improved.

For example, as shown in fig. 3, when air flows from top to bottom, the air enters the accommodating space along the air inlet holes 151 on the first side wall 11, the third side wall 13 and the fourth side wall 14 on the windward side, flows to the middle of the accommodating space, the three electric heating plates 20 all face the middle of the accommodating space, and after the air exchanges heat with the three electric heating plates 20, the air flows out of the accommodating space along the air outlet holes 152 of the second side wall 12, so that the heat exchange effect of the air and the electric heating plates 20 can be ensured.

Optionally, the opening area of the air outlet 152 is larger than the air inlet area of the air inlet 151.

By adopting the electric heating device for the air conditioner, provided by the embodiment of the disclosure, the opening area of the air outlet hole 152 is larger than that of the air inlet hole 151, so that the resistance of air flowing out from the contained air can be reduced, the wind noise generated when the air flows out from the contained air is reduced, and the noise of the electric heating device for the air conditioner is further reduced.

Alternatively, the electric heating plate 20 is made of a superconducting alloy material.

By adopting the electric heating device for the air conditioner, which is provided by the embodiment of the disclosure, the energy consumption of the electric heating device for the air conditioner can be effectively reduced by manufacturing the electric heating plate 20 from the superconducting alloy material, and the heating efficiency of the electric heating plate 20 is improved.

It should be noted that: the electric heating plate 20 is made of superconducting alloy, wherein superconducting molecules can rapidly blow heat energy to a required space by a fan, so that the heating temperature of the electric heating plate 20 is not too high, radiant heat (which is cancerogenic) is not generated, and oxygen in air is not burnt (skin is not dried). The thermal conductivity of conventional heating elements is about fifteen percent. The heat conductivity and the heat diffusivity of the heating element made of the superconducting alloy material are ninety five percent, electric energy can be instantaneously converted into heat energy to reach the required temperature, the temperature can be instantaneously released to return to normal temperature, and the heat efficiency is very high. Due to the ultrahigh heat conductivity of the superconducting alloy heating element, the superconducting alloy heating element can instantly convert electric energy into heat energy, and then the air supply device is used for conveying hot air to a required space. For example: to send out the temperature of 90 ℃, only the superconducting alloy heater needs to be heated to 100 ℃. The traditional electric heater needs to be heated to 600 ℃ (usually only 400 ℃), the required electric energy is relatively increased, the heating time is also increased, and the required electric charge is increased.

As shown in fig. 4 and 5, an embodiment of the present disclosure provides an air conditioning indoor unit including an electric heating device for an air conditioner according to any one of the above alternative embodiments.

The indoor unit of the air conditioner according to the embodiment of the disclosure, because of including the electric heating device for an air conditioner according to any one of the embodiments, has the beneficial effects of the electric heating device for an air conditioner according to any one of the embodiments, and is not described herein.

Optionally, the air conditioner indoor unit further includes: an evaporator 40 and an evaporator bracket 50, the end of the evaporator bracket 50 facing the bracket 10 being provided with a connecting portion 51; the evaporator 40 is disposed between the evaporator brackets 50, and both ends of the evaporator 40 are connected with the evaporator brackets 50, wherein the brackets 10 are disposed beside the bending positions of the evaporator 40, and the ends of the brackets 10 are provided with connecting structures 16 adapted to the connecting portions 51, so that an electric heating device for an air conditioner is connected with the evaporator brackets 50.

By adopting the air conditioning indoor unit of the embodiment of the disclosure, the evaporator bracket 50 is provided with the connecting part 51 towards the end part of the bracket 10, and the end part of the bracket 10 is provided with the connecting structure 16 matched with the connecting part 51, and the connecting structure 16 is matched with the connecting part 51, so that the bracket 10 can be connected with the evaporator bracket 50. By arranging the bracket 10 beside the bending position of the evaporator 40, most of the air flowing through the evaporator 40 can flow through the electric heating device for the air conditioner, and the heating effect of the electric heating device for the air conditioner is ensured.

Specifically, the connection portion 51 is a screw fixing hole, and the connection structure 16 is a screw mounting hole, so that the bracket 10 and the evaporator bracket 50 are fixedly connected by screws. In this way, the disassembly and assembly of the bracket 10 and the evaporator bracket 50 is facilitated, and the convenience of assembly and maintenance is improved.

The above description and the drawings illustrate embodiments of the disclosure sufficiently to enable those skilled in the art to practice them. Other embodiments may include structural and other modifications. The embodiments represent only possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in, or substituted for, those of others. The embodiments of the present disclosure are not limited to the structures that have been described above and shown in the drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is limited only by the appended claims.

Claims (10)

1. An electric heating apparatus for an air conditioner, comprising:

the bracket is used for defining an accommodating space and is provided with a plurality of through holes, and the through holes are respectively arranged at two sides of the bracket so that air can flow into the accommodating space and flow out of the accommodating space;

the electric heating plate is arranged in the accommodating space;

and one end of the connecting piece is connected with the electric heating plate, and the other end of the connecting piece is connected with the bracket.

2. The electric heating apparatus for an air conditioner according to claim 1, wherein the bracket comprises:

a first sidewall;

the second side wall is arranged opposite to the first side wall;

the first end of the third side wall is connected with one end of the first side wall, and the second end of the third side wall is connected with one end of the second side wall;

a fourth side wall, the first end of which is connected with the other end of the first side wall, and the second end of which is connected with the other end of the second side wall;

the first side wall, the second side wall, the third side wall and the fourth side wall enclose an accommodating space together, and the plurality of through holes are respectively formed in the first side wall, the second side wall, the third side wall and the fourth side wall.

3. An electric heating apparatus for an air conditioner according to claim 2, wherein,

the electric heating plates are arranged in the accommodating space at intervals;

the quantity of connecting piece is a plurality of, and a plurality of connecting pieces and a plurality of electric heating piece one-to-one set up to make a plurality of electric heating pieces all with leg joint.

4. An electric heating apparatus for an air conditioner according to claim 3, further comprising:

and the controller is electrically connected with the plurality of electric heating plates and is configured to control at least one of the plurality of electric heating plates to be independently opened and closed.

5. An electric heating apparatus for an air conditioner according to claim 3, wherein the plurality of electric heating plates includes:

the first electric heating plate is arranged on the first side wall;

the second electric heating plate is arranged on the third side wall,

and the third electric heating sheet is arranged on the fourth side wall.

6. An electric heating apparatus for an air conditioner according to claim 2, wherein,

the windward side of the bracket is provided with a plurality of air inlet holes, and the leeward side of the bracket is provided with a plurality of air outlet holes;

the windward side comprises a first side wall, a third side wall and a fourth side wall, the leeward side comprises a second side wall, the through hole comprises an air inlet hole and an air outlet hole, and the length of the first side wall is smaller than that of the second side wall.

7. An electric heating apparatus for an air conditioner according to claim 6, wherein,

the open area of the air outlet is larger than the air inlet area of the air inlet.

8. An electric heating device for an air conditioner according to any one of claims 1 to 7, wherein,

the electric heating plate is made of superconducting alloy material.

9. An air conditioning indoor unit comprising an electrical heating apparatus for an air conditioner as claimed in any one of claims 1 to 8.

10. The indoor unit of claim 9, further comprising:

the evaporator bracket is provided with a connecting part towards the end part of the bracket;

the evaporator is arranged between the evaporator brackets, both ends of the evaporator are connected with the evaporator brackets,

the support is arranged beside the bending position of the evaporator, and the end part of the support is provided with a connecting structure matched with the connecting part so that an electric heating device for the air conditioner is connected with the evaporator support.