CN213687038U

CN213687038U - Ceiling type air conditioner and ceiling type air conditioning system

Info

Publication number: CN213687038U
Application number: CN202021505826.0U
Authority: CN
Inventors: 谢嘉祥; 刘浩特; 吴江
Original assignee: Shenzhen Dream Space Technology Co ltd
Current assignee: Shenzhen Dream Space Technology Co ltd
Priority date: 2020-07-27
Filing date: 2020-07-27
Publication date: 2021-07-13
Anticipated expiration: 2030-07-27

Abstract

The utility model relates to a ceiling type air conditioner and a ceiling type air conditioning system, through arranging a through hole at one side of a shell body close to heating elements, so that when the fan of the air duct assembly works, the external air with relatively low temperature is sucked into the shell through the through hole to radiate the heating body, and the air duct assembly can continuously discharge air to the outside of the air conditioner, so that a negative pressure area is formed in the shell, and the temperature of the air is raised by heat transfer when the external air entering from the through hole passes through the heating body, and finally enters the negative pressure region to be discharged out of the air conditioner, so that the outside air enters through the through hole, the heating element is radiated and enters the negative pressure area and then is discharged out of the radiating circulation path outside the air conditioner, thereby continuously radiating the heating element to reduce the working temperature, thereby improving the operational reliability of these components and ultimately the operational reliability and life of the overall air conditioner.

Description

Ceiling type air conditioner and ceiling type air conditioning system

Technical Field

The utility model relates to a ceiling type air conditioner and ceiling type air conditioning system belongs to air conditioner technical field.

Background

The ceiling type air conditioner installed in a small space area, such as the ceiling type air conditioner installed in a kitchen, has a small volume and a compact structure, some ceiling type air conditioners are of an integral type, and the interior of the air conditioner further comprises components on the outdoor side of the split type air conditioner, such as a compressor and a condenser, so that the interior structure of the whole air conditioner is more compact, and accordingly, the heat dissipation space of internal heating bodies, such as the compressor, an electric control box and other components is small, the heat dissipation problem of the heating components is brought, and the reliability and the service life of the ceiling type air conditioner are influenced after long-term operation.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that needs to solve is the heat dissipation problem that the part that generates heat brought among the solution current ceiling type air conditioner.

Specifically, the utility model discloses a ceiling type air conditioner, which comprises a mounting plate, wherein an air duct component is arranged on the mounting plate, the ceiling type air conditioner also comprises a shell body which covers the mounting plate, a heating element is arranged in the shell body, and a through hole is arranged on one side of the shell body, which is close to the heating element, and is used for supplying air into the shell body; a fan is arranged in the air duct assembly, the fan forms a negative pressure area, and air entering the through hole flows into the negative pressure area through the heating body.

Optionally, the heating element is arranged close to the air duct assembly; the heating body comprises an electric control assembly, the electric control assembly comprises an electric control plate, a heating piece arranged on the electric control plate, and a supporting plate provided with the electric control plate, and air flows in through the electric control plate.

Optionally, the electric control assembly comprises an electric control box, a heating element is arranged in the electric control box, the electric control box is a metal box body, and air passes through the electric control box; or the electric control box is provided with an air inlet and an air outlet, and air enters through the air inlet and is discharged out of the electric control box through the air outlet after passing through the heating element.

Optionally, the housing faces the electric control assembly, and an access cover capable of opening or closing the access opening is arranged on the housing, and the through hole is formed in the access cover, or the through hole is formed in a connecting position of the access cover and the housing.

Optionally, the air duct assembly comprises an outer side surface, the electric control assembly is fixedly connected with the outer side surface, the electric control assembly is arranged close to the air duct assembly, and the air temperature in the air duct assembly is lower than the temperature of the outer side surface.

Optionally, the air duct assembly is formed with a vertically arranged mounting surface, the support plate of the electronic control assembly is vertically arranged and close to the mounting surface, a radiation heat transfer gap is formed between the support plate and the mounting surface, and the size of the gap is 0.3mm to 30 mm.

Optionally, a fixing structure is arranged between the air duct assembly and the electric control assembly, specifically, a clamping position or a screw fixing position is arranged on the air duct assembly; the corresponding position of the electric control assembly is correspondingly provided with a clamping structure and a fixing structure which are matched, and the screw fixing position and the fixing structure are connected through a fastener.

Optionally, the heating element includes a compressor, the compressor is disposed on the mounting plate, a through hole is disposed at a position close to the casing of the compressor, the compressor is connected to the evaporator through an air suction port, the evaporator absorbs low-pressure refrigerant gas, and an air outlet of the compressor is connected to the condenser disposed on the mounting plate.

Optionally, the air duct assembly is provided with a suction inlet, an evaporator is arranged at the suction inlet, and inflow air passing through the compressor enters an air duct cavity defined by the air duct assembly through the evaporator; the air flowing in through the electric control assembly enters an air channel cavity defined by the air channel assembly through the evaporator; and a partition plate is arranged between the area where the condenser and the compressor are positioned and the area where the evaporator is positioned.

The utility model discloses still provide a ceiling type air conditioning system, including foretell ceiling type air conditioner, the ceiling separates room space for upper portion space and lower part space, and the air is introduced from upper portion space to the through-hole, and the air outlet through the wind channel subassembly discharges the lower part space.

The ceiling type air conditioner of the utility model is characterized in that through holes are arranged on one side of the shell body close to the heating elements, so that when the fan of the air duct assembly works, the external air with relatively low temperature is sucked into the shell through the through hole to radiate the heating body, and the air duct assembly can continuously discharge air to the outside of the air conditioner, so that a negative pressure area is formed in the shell, and the temperature of the air is raised by heat transfer when the external air entering from the through hole passes through the heating body, and finally enters the negative pressure region to be discharged out of the air conditioner, so that the outside air enters through the through hole, the heating element is radiated and enters the negative pressure area and then is discharged out of the radiating circulation path outside the air conditioner, thereby continuously radiating the heating element to reduce the working temperature, thereby improving the operational reliability of these components and ultimately the reliability and life of the overall air conditioner.

Drawings

Fig. 1 is a perspective view of a ceiling type air conditioner according to an embodiment of the present invention;

fig. 2 is a perspective view of another view direction of the ceiling type air conditioner according to the embodiment of the present invention;

fig. 3 is a partially exploded structural view of the ceiling type air conditioner according to the embodiment of the present invention;

fig. 4 is a perspective view of the ceiling type air conditioner of the embodiment of the present invention with the casing removed;

fig. 5 is a top view of the ceiling type air conditioner according to the embodiment of the present invention;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;

fig. 7 is an exploded view of an electric control assembly of the ceiling type air conditioner according to the embodiment of the present invention;

fig. 8 is a perspective view of the ceiling-type air conditioner according to the embodiment of the present invention, when the ceiling-type air conditioner is mounted on a ceiling of a kitchen.

Reference numerals:

the ceiling type air conditioner comprises a ceiling type air conditioner 10, a shell 100, an air outlet 101, an air supply outlet 102, a mounting plate 103, an evaporator air inlet 106, a condenser 108, a compressor 109, an evaporator 110, an access cover 133, a through hole 134, an electric control plate 135, a partition plate 136, an air supply duct shell 137, an air exhaust fan 138, an electric control box 148, an outer cover 149, an air supply fan 152, a refrigerant pipe 153, an air inlet 161, an air inlet duct 162, a hot air duct 163, a condenser air inlet 171, a range hood 20, a smoke exhaust air duct 203 and a ceiling 40.

Detailed Description

It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict in structure or function. The present invention will be described in detail below with reference to examples.

The utility model provides a ceiling type air conditioner, ceiling type air conditioner here generally is fixed in the roof through the mounting like longer screw rod through the mode of hoist and mount, realizes the refrigeration or the heating in the room of air conditioner place through the mode of air supply down. The ceiling is arranged at the top of a room, the ceiling type air conditioner refers to an air conditioner which is arranged in the ceiling area and can be arranged on the ceiling, and only the air supply outlet supplies air downwards to blow out the ceiling area; the air supply device can also be arranged below the ceiling or partially arranged below the ceiling, so that air supply is convenient, and the air supply device can also be installed under the condition that the space on the ceiling is limited.

As shown in fig. 1 to 8, a ceiling type air conditioner 10 (hereinafter referred to as an air conditioner) includes a mounting plate 103, an air duct assembly provided on the mounting plate 103, and a casing 100 covering the mounting plate 103, wherein a heating element is provided in the casing 100, and a through hole 134 is provided on a side of the casing 100 close to the heating element, and the through hole 134 is used for supplying air into the casing 100; a fan is arranged in the air duct assembly, the fan forms a negative pressure area, and air entering the through hole 134 flows into the negative pressure area through the heating body. Wherein the housing 100 and the mounting plate 103 of the ceiling type air conditioner 10 form an internal mounting chamber for mounting components of the ceiling type air conditioner 10 such as the air duct assembly, the evaporator 110, the condenser 108, the compressor 109, the electronic control board 135, etc. An air inlet 161 is disposed at one side of the casing 100 to provide air volume for heat exchange between the condenser 108 and the evaporator 110, an air outlet 101 is disposed at the other side of the casing 100 to exhaust the air volume after heat exchange by the condenser 108, the air outlet 101 is connected to the smoke exhaust duct 203 through a hot air duct 163, so that the hot air after heat exchange by the condenser 108 is exhausted to the outside together after being mixed with the oily fume through the fume exhaust duct.

Wherein the compressor 109 and the electronic control box 148 generate heat to generate larger heat to form heating elements, and the through holes 134 are disposed at one side of the casing 100 close to the heating elements, so that when the blower of the air duct assembly works, the air at relatively low temperature outside is sucked into the casing 100 through the through holes 134 to dissipate heat of the heating elements, and the air duct assembly continuously discharges air to the outside of the air conditioner, such as through the operation of the air supply blower 152 at the evaporator 110 side or the air exhaust blower 138 at the condenser 108 side, specifically, air is sucked from the evaporator air inlet 106 or the condenser air inlet 171 as shown in fig. 1, or air is sucked at the common air inlet of the evaporator 110 and the condenser 108, so as to continuously suck air from the evaporator 110 side or the condenser 108 side and finally discharge the air outside of the air conditioner, thereby forming a negative pressure area in the casing 100, when the external air entering from the through hole 134 passes through the heating element, the temperature of the air is raised through heat transfer, and the air finally enters the negative pressure region and is discharged out of the air conditioner, so that the external air enters through the through hole 134 to dissipate heat of the heating element, enters the negative pressure region and is discharged out of the air conditioner through a heat dissipation circulation path, the heat of the heating element is continuously dissipated, the working temperature of the heating element is reduced, the working reliability of the parts is improved, and the reliability and the service life of the whole air conditioner are finally improved.

The through hole 134 may be a through hole 134 separately disposed on the housing 100, and the shape of the through hole 134 is not limited, and includes a circular shape, a square shape, a long slit shape, and the like, and may also be a gap formed by other structures, which can allow the housing 100 to ventilate inside and outside, such as a gap formed between the housing 100 and the mounting plate 103.

The air duct assembly herein may be provided with an air duct assembly formed at the evaporator 110 side or an air duct assembly at the condenser 108 side, or both may work together. This wind channel subassembly is the wind channel subassembly of evaporimeter 110 side preferentially, because the air conditioner carries out when refrigerating the operation under the high environment of ambient temperature, evaporimeter 110 side temperature is lower for the hotter air after carrying out the heat transfer to the heat-generating body can be fast by the cooling after evaporimeter 110 inhales, is favorable to strengthening the heat-generating body and dispels the heat. And the heating element can further preferably be arranged close to the side of the evaporator 110, so that the circulation path of the outside air entering through the through hole 134 to the evaporator 110 through the heating element is shortened, the effect of quickly cooling the hot air radiated by the heating element is further facilitated, and the radiating effect of the heating element is further improved.

In some embodiments of the present invention, the heating element includes an electric control component, the electric control component includes an electric control board 135 and a heating element disposed thereon, and a support board disposed on the electric control board 135, and the air flows in through the electric control board 135. Wherein the power device is arranged on the electric control board 135, the working current of the power device is large, the power consumption equipment of the air conditioner is controlled to operate such as the compressor 109, the motor in the air inlet fan and the air exhaust fan 138, the power device generates heat highly, therefore, the electric control board 135 integrally generates large heat, the electric control board 135 is generally fixed on the support plate through a fixing part such as a screw or a clamping part, and the support plate is fixed at a position close to the air duct assembly, so that the external air entering from the through hole 134 dissipates the heat of the power device of the electric control board 135, the heating temperature of the power device is reduced, and the service life and the working reliability of the power device are improved.

In some embodiments of the present invention, the electrical control assembly further includes an electrical control box 148, the specific structure of which is shown in fig. 7, the electrical control box 148 is connected to the outer cover 149, so as to form an internal cavity, an electrical control board 135 is installed in the electrical control box 148, a heating element such as a power device is disposed on the electrical control board 135, the electrical control box 148 and the outer cover 149 are metal box bodies, and air passes through the electrical control box 148; or the electric control box 148 is provided with an air inlet hole and an air outlet hole, and air enters through the air inlet hole and is exhausted out of the electric control box 148 from the air outlet hole after passing through the heating body. In this embodiment, the electronic control board 135 is installed in the electronic control box 148, the electronic control box 148 and the outer cover 149 are both sheet metal parts, at this time, a fixing structure is arranged in the electronic control box 148 to support and fix the electronic control board 135, and the power device on the electronic control board 135 can be in contact with the electronic control box 148 through the arrangement of the heat dissipation part, so as to facilitate further heat dissipation of the metal box body. Furthermore, an air inlet hole and an air outlet hole can be arranged on the electric control box 148, so that an air flow channel is formed in the electric control box 148, a part of the air with lower external temperature enters the shell 100 through the through hole 134 and enters the electric control box 148 through the air inlet hole, the heat generating component on the electric control board 135 is discharged through the air outlet hole after being radiated and then enters the air duct component to be discharged out of the air conditioner, so that the heat dissipation of the power device is realized, meanwhile, the metal shell 100 can also conduct heat transfer on the power device, so that the other part of the air with lower external temperature also directly radiates the outer wall surface of the electric control box 148, and the heat dissipation of the power device is further accelerated.

In some embodiments of the present invention, as shown in fig. 2 and 3, the housing 100 is provided with an access cover 133 capable of opening or closing the access opening toward the electric control assembly, and the through hole 134 is provided on the access cover 133, or the through hole 134 is provided at the connection position of the access cover 133 and the housing 100. Here, by providing the access cover 133 near the box body of the electronic control component, the access cover 133 can be conveniently disassembled to maintain the circuit board in the box body, and meanwhile, since the access cover 133 is connected with the housing 100, a gap is formed, so that a channel for communicating the outside and the inside of the housing 100 is indirectly formed, that is, the through hole 134 is formed. Alternatively, as shown in fig. 2, a vent hole may be separately formed in the access cover 133 as the through hole 134.

The utility model discloses an in some embodiments, the wind channel subassembly has fixed connection relation including the lateral surface, automatically controlled subassembly and lateral surface, and the setting of wind channel subassembly is pressed close to automatically controlled subassembly, and the air temperature is less than lateral surface department temperature in the wind channel subassembly. As shown in fig. 3 and 4, the air duct assembly at this time is an air duct assembly at the evaporator 110 side, the evaporator 110 air duct assembly includes an air supply air duct housing 137 connected to the air outlet surface of the evaporator 110, an air supply fan 152 is installed in the air supply air duct housing 137, when the air supply fan 152 works, air flows pass through the evaporator 110, enter the air inlet side of the connected air supply air duct housing 137 from the air outlet side of the evaporator 110, and then are discharged from an air supply outlet 102 of the air conditioner, and the air supply outlet 102 is arranged below the mounting plate 103 to form downward air supply. The electric control assembly is fixed on the outer wall of the air supply duct shell 137, when the air conditioner operates in a cooling mode, the air supply fan 152 continuously sucks cold air formed by cooling from the evaporator 110 side, so the temperature in the air supply duct shell 137 is much lower, when the external environment temperature is about 30 ℃, the temperature of the cold air in the air supply duct shell 137 is only 3-6 ℃, the temperature of the wall of the whole air supply duct shell 137 is lower than the ambient temperature, the outer side surface of the air supply duct shell 137 is contacted with the surrounding hotter air, so the temperature of the surface of the air supply duct shell 137 is lower than the temperature in the air supply duct shell 137, but the temperature of the surface of the air supply duct shell 137 is still much lower than the temperature of the surrounding air, for example, the temperature of the hotter air can reach about 30 ℃ in summer, and the surface of the air supply duct shell 137 is about 10 ℃, so the low temperature of the surface of the air supply fan can form convection radiation, the air around the surface is cooled, and because the electric control assembly is fixedly connected with the outer side face in a close mode, the distance between the electric control assembly and the outer side face is as short as about 1 cm, so that the low temperature on the surface of the air supply duct shell 137 cools the air around the electric control assembly, and the electric control assembly is cooled through the cooled air, namely, convection heat dissipation is formed. Therefore, the heat dissipation of the power device on the electric control assembly is better realized.

Further, in some embodiments of the present invention, as shown in fig. 3 and 4, the air duct assembly is formed with a vertically disposed mounting surface, the support plate of the electronic control assembly is vertically disposed and close to the mounting surface, a radiation heat transfer gap is formed therebetween, and the size of the gap is 0.3mm to 30 mm. Specifically, the casing of the air duct assembly has a vertically arranged side face to form a mounting face, the electric control box 148 assembly is specifically a metal casing including the electric control box 148 in fig. 3 and 4, the electric control board 135 of the electric control box 148 is fixed on one face of the electric control box 148 to serve as a support plate, the heating face of the power device is connected to the box body of the electric control box 148 through a heat dissipation component such as an aluminum heat sink, the electric control box 148 is fixed on the mounting face of the air duct assembly casing 100 through a fixing component such as a screw, a small gap such as 0.5mm is formed between the electric control box 148 and the mounting face, so that convection heat dissipation is formed through the mounting face, the smaller the gap is better the convection heat dissipation effect, but considering the mounting distance between the electric control box 148 and the casing of the air duct assembly, and condensation water is easily formed on the surface due to low temperature, if the distance is too small, the, therefore, the gap needs a proper distance, and the gap can be further reduced to 0.5mm to 15mm by experimenting 0.3mm to 30mm as a proper range.

In some embodiments of the present invention, a fixing structure is disposed between the air duct assembly and the electric control assembly, specifically, a clamping position or a screw fixing position is disposed on the air duct assembly; the electric control assembly is provided with a clamping structure and a fixing structure which are matched with each other at corresponding positions, and the screw fixing position and the fixing structure are connected through a fastener. The electric control component can be an electric control board 135 and then is fixed on the mounting surface of the air duct component through a fixing structure; the electronic control assembly may also include an electronic control box 148, an outer cover 149 and an electronic control board 135, the electronic control board 135 is installed in a cavity formed by the electronic control box 148 and the outer cover 149, and the electronic control box 148 is fixed on the mounting surface of the air duct assembly through a fixing structure.

In some embodiments of the present invention, as shown in fig. 3 to fig. 6, the heating element includes a compressor 109, the compressor 109 is disposed on the mounting plate 103, a through hole 134 is disposed at a position close to the casing 100 of the compressor 109, the compressor 109 is connected to the evaporator 110 through the suction port, the low-pressure refrigerant gas is absorbed from the evaporator 110, and the exhaust port of the compressor 109 is connected to the condenser 108 disposed on the mounting plate 103. In this embodiment, the compressor 109 has a higher temperature during operation to form another heat generating body, and the through hole 134 is disposed at the casing 100 near the compressor 109, so that when the air conditioner is in operation, the external air enters the casing 100 through the through hole 134 to dissipate heat of the compressor 109 with a higher temperature surface, and finally is discharged out of the air conditioner through an air duct component, such as an air duct on the evaporator 110 side, to form a continuous heat dissipating channel for the compressor 109. Thereby playing a role of heat dissipation for the compressor 109 and preventing the compressor 109 from being affected by the long-term over-temperature. Similar to the through hole 134 for dissipating heat of the electronic control component in the above embodiment, the shape of the through hole 134 is not limited, and includes a circular shape, a square shape, a long strip shape, and the like, and may also be a gap formed by other structures, which can ventilate the inside and outside of the casing 100, such as a gap formed between the casing 100 and the mounting plate 103 near the compressor 109.

In some embodiments of the present invention, as shown in fig. 2 to 6, the air duct assembly is provided with a suction inlet, an evaporator 110 is disposed at the suction inlet, and the inflow air passing through the compressor 109 enters the air duct cavity enclosed by the air duct assembly through the evaporator 110; the air flowing in through the electronic control assembly enters the air duct cavity defined by the air duct assembly through the evaporator 110. In this embodiment, through holes 134 are provided in the housing 100 near both the compressor 109 and the electronic control component, or if the compressor 109 and the electronic control component are closely spaced, only one through hole 134 is provided; the outside air enters the installation cavity in the casing 100 through the through hole 134, and is radiated by the compressor 109 and the electric control component, and then enters the air duct component where the evaporator 110 is located, namely enters the air duct cavity enclosed by the air supply air duct casing 137, and is discharged out of the air conditioner by the air supply fan 152, thereby forming a path for radiating the electric control component and the heating element formed by the compressor 109.

Further, a partition plate 136 is provided between the area where the condenser 108 and the compressor 109 are located and the area where the evaporator 110 is located. As shown in fig. 3, when the air conditioner is operated in a cooling mode, the compressor 109 generates heat, the condenser 108 and the exhaust fan 138 connected to the condenser 108 are heating terminals, and therefore are high-temperature components, the working temperature of the evaporator 110 and the air supply duct housing 137 in which the air supply fan 152 connected to the evaporator 110 is located is relatively low for the cooling end, in order to prevent the formation of cold air around the cooler components from streaming with hot air around the warmer components, so that the hot air is serially connected to the cold air, so that the temperature of the air entering the evaporator 110 is raised, thereby affecting the heat exchange efficiency of the evaporator 110, that is, ultimately affecting the cooling output capacity of the air conditioner, by providing a partition plate 136 between the lower temperature part and the higher temperature part, i.e., the side of the partition condenser 108 and the area where the compressor 109 is located and the area where the evaporator 110 is located. And a small gap for the refrigerant pipe 153 to pass through is reserved on the partition plate 136, so that the separation of the refrigerant pipe and the refrigerant pipe is well realized, the air temperature at the evaporator 110 side is lower, and the heat dissipation effect on the heating bodies of the compressor 109 and the electric control assembly is improved.

The utility model discloses still provide a ceiling type air conditioning system, including the air conditioner 10 that above-mentioned embodiment mentioned, still include ceiling 40, ceiling 40 separates room space for upper portion space and lower part space, and the air is introduced from upper portion space to through-hole 134, and the air outlet through the wind channel subassembly discharges the lower part space. As shown in fig. 8, the air duct communicating with the evaporator 110 and the air supply blower 152 communicates with an air inlet 161 of the air conditioner, the air inlet 161 is disposed far away from the air supply outlet 102, and the air inlet 161 communicates with the evaporator air inlet 106 of the evaporator 110 by connecting with an air inlet duct 162, so as to realize the position of the air inlet far away from the air supply outlet 102. When the air conditioner is installed, the body of the air conditioner is installed above the ceiling 40, the lower surface of the body can be flush with the lower surface of the ceiling 40, so that the air conditioner and the ceiling 40 are integrated in appearance, the integral appearance of the air conditioner and a room is enhanced, the air supply port 102 of the air conditioner supplies air downwards, the air outlet 101 of the air conditioner is connected with a hot air pipe 163, the hot air pipe 163 is connected with the smoke exhaust air pipe 203 of the smoke exhaust ventilator 20 at a position close to a building smoke exhaust air duct or a wall body discharging outdoors, and when the air conditioner 10 works, the discharged hot air is converged with smoke containing the smoke exhausted by the smoke exhaust ventilator 20 and is discharged into the building smoke exhaust air duct or. The air in the upper space continuously enters the casing 100 through the through hole 134 to dissipate heat of the heating element, such as the electric control component and/or the compressor 109, and is discharged out of the air conditioner through the air duct component, so as to form a circulation channel for dissipating heat of the electric control component. Such that the temperature of these components is not known to be too high to affect their operational reliability and longevity, thereby improving the operational life and reliability of the overall air conditioner 10.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. The ceiling type air conditioner comprises a mounting plate, wherein an air duct assembly is arranged on the mounting plate, and the ceiling type air conditioner is characterized in that: the heating device comprises a shell covered with a mounting plate, wherein a heating body is arranged in the shell, and a through hole is formed in one side of the shell, which is close to the heating body, and is used for supplying air into the shell; a fan is arranged in the air duct assembly, a negative pressure area is formed by the fan, and air entering the through hole flows into the negative pressure area through the heating body.

2. The ceiling type air conditioner according to claim 1, wherein said heat generating body is disposed adjacent to said air duct assembly; the heating body comprises an electric control assembly, the electric control assembly comprises an electric control plate, a heating piece arranged on the electric control plate, and a supporting plate arranged on the electric control plate, and air flows into the electric control plate.

3. The ceiling type air conditioner as claimed in claim 2, wherein the electric control assembly comprises an electric control box, a heating member is disposed in the electric control box, the electric control box is a metal box, and the air passes through the electric control box; or the electric control box is provided with an air inlet hole and an air outlet hole, and the air enters through the air inlet hole and is discharged from the air outlet hole after passing through the heating element.

4. The ceiling type air conditioner according to claim 1, wherein said housing is provided with an access cover capable of opening or closing an access opening facing said electric control unit, said through hole is provided on said access cover, or said through hole is provided at a connection of said access cover and said housing.

5. The ceiling type air conditioner as claimed in claim 1, wherein: the air duct assembly comprises a lateral surface, the electric control assembly and the lateral surface are fixedly connected, the electric control assembly is pressed close to the air duct assembly, and the air temperature in the air duct assembly is lower than the temperature of the lateral surface.

6. The ceiling type air conditioner according to claim 5, wherein said air duct assembly is formed with a vertically disposed mounting surface, and said support plate of said electric control assembly is vertically disposed adjacent to said mounting surface with a radiation heat transfer gap therebetween, the size of said gap being 0.3mm to 30 mm.

7. The ceiling type air conditioner according to claim 6, wherein a fixing structure is provided between the air duct assembly and the electric control assembly, specifically, a clamping position or a screw fixing position is provided on the air duct assembly; the electric control assembly is correspondingly provided with a clamping structure and a fixing structure which are matched with each other, and the screw fixing position and the fixing structure are connected through a fastener.

8. The ceiling type air conditioner according to claim 1, wherein the heating unit includes a compressor, the compressor is disposed on the mounting plate, the through hole is disposed at a position close to the casing of the compressor, the compressor is connected to the evaporator through a suction port to absorb a low-pressure refrigerant gas from the evaporator, and an exhaust port of the compressor is connected to a condenser disposed on the mounting plate.

9. The ceiling type air conditioner according to claim 8, wherein said air duct assembly is provided with a suction port at which said evaporator is provided, and inflow air passing through said compressor passes through the evaporator into an air duct chamber enclosed by said air duct assembly; the air flowing in through the electric control assembly enters an air channel cavity enclosed by the air channel assembly through the evaporator; and a partition plate is arranged between the area where the condenser and the compressor are located and the area where the evaporator is located.

10. A ceiling type air conditioning system comprising the ceiling type air conditioner as claimed in any one of claims 1 to 9, further comprising a ceiling which divides a room space into an upper space and a lower space, wherein the through-holes introduce air from the upper space and discharge it to the lower space through the air outlet of the air duct assembly.