CN114383214A

CN114383214A - Auxiliary heat dissipation structure, air conditioner and control method

Info

Publication number: CN114383214A
Application number: CN202111567352.1A
Authority: CN
Inventors: 钟昌原; 史国桐; 马傲因; 梁亚国
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-04-22

Abstract

The invention relates to the technical field of air conditioners, in particular to an auxiliary heat dissipation structure, an air conditioner and a control method.

Description

Auxiliary heat dissipation structure, air conditioner and control method

Technical Field

Background

In order to reduce the temperature rise of components in the variable frequency controller, the variable frequency controller is additionally provided with a radiator for auxiliary heat dissipation and cooling. Most of the heat radiators in the existing frequency conversion controllers are arranged in an outdoor unit (side) air duct for air cooling heat dissipation or refrigerant pipes are additionally arranged on the surfaces of the heat radiators for heat dissipation by using low-temperature refrigerants. For example, the inverter controller of the inverter split type air conditioner or the inverter window type air conditioner is placed in the outdoor unit (side), and the heat radiator is arranged in the outdoor air duct to radiate heat by using outdoor intake air. However, when the outdoor temperature is high, the temperature difference between the surface temperature of the radiator and the outdoor environment temperature is reduced, heat exchange is poor, and the radiator cannot perform effective heat dissipation, so that the temperature rise of components exceeds the standard, the reliability of the components is low, the frequency of the whole machine is reduced, the refrigeration effect is poor, and even the whole machine cannot operate normally.

Disclosure of Invention

One of the purposes of the present invention is to provide an auxiliary heat dissipation structure, which avoids the disadvantages in the prior art, and uses an induced draft fan to blow air and condensed water to dissipate heat of a component to be dissipated, and additionally cools the heat dissipation component, thereby having the advantage of high heat dissipation stability.

The second objective of the present invention is to provide an air conditioner.

The invention also aims to provide a control method of the auxiliary heat dissipation structure.

In order to achieve one of the above purposes, the invention provides the following technical scheme:

the utility model provides an auxiliary heat radiation structure, including being located the inside wind-guiding way of air conditioner, the directional radiating element that treats in air outlet in wind-guiding way, the directional catch basin in income wind gap in wind-guiding way, the water collector of evaporimeter comdenstion water is connected to the catch basin, be equipped with the atomizer in the catch basin, be equipped with the draught fan in the wind-guiding way, the air exit of draught fan is located air outlet one side in wind-guiding way.

In some embodiments, the water collecting tank is provided on an air conditioner base plate, and a flow guide channel communicating the water collecting tank with the water receiving tray is provided on the base plate.

In some embodiments, a water level monitoring module is disposed in the water collection tank, and the water level monitoring module is connected to the atomizer.

In some embodiments, be equipped with the support in the wind channel, the draught fan includes motor and wind-guiding leaf, the motor is fixed on the support and its pivot orientation the income wind gap in wind channel, the wind-guiding leaf rigid coupling is in the pivot.

In some embodiments, a temperature monitoring module is arranged on the element to be cooled, and the temperature monitoring module is connected with the induced draft fan and the water level monitoring module.

In some embodiments, the air duct includes a housing fixedly enclosing an outer wall of the device to form the air duct.

In some embodiments, the induced draft fan is near an air outlet of the air guide duct.

In some embodiments, the air outlet of the air duct is provided as an expanded opening, and the expanded opening is directed to the element to be radiated.

In some embodiments, the nebulizer is an ultrasonic nebulizer.

The auxiliary heat dissipation structure has the beneficial effects that:

(1) the auxiliary heat dissipation structure is provided with the air guide channel, the induced draft fan is arranged in the air guide channel, and the air guide channel can blow air generated by the induced draft fan to the surface of an element to be dissipated, so that an auxiliary heat dissipation effect is achieved; and the lower condensed water of the evaporator temperature is fully utilized, and the condensed water is atomized and then is guided to the element to be cooled through the induced draft fan, so that the cooling effect is further achieved.

(2) The fan in the auxiliary heat dissipation structure not only plays a role in heat dissipation, but also can guide water vapor, and has double functions.

(3) The auxiliary heat dissipation structure is arranged in the air conditioner and separated from the external environment, so that the heat dissipation effect of the element to be dissipated can be still kept even if the temperature of the external environment of the air conditioner is higher, and the stability of heat dissipation is kept.

To achieve the second objective of the present invention, an air conditioner is provided, which includes the above-mentioned auxiliary heat dissipation structure.

To achieve the third objective of the present invention, there is provided a control method of the auxiliary heat dissipation structure, the control method including the steps of,

s1, detecting the surface temperature T1 of the element to be radiated,

s2, when the T1 is larger than or equal to Ta, starting the induced draft fan and detecting the water level of the water collecting tank, if the water level of the water collecting tank is lower than a protection value, the atomizer is not started, and otherwise, the atomizer is started at the same time; if T1 is less than Ta, the auxiliary heat dissipation structure is not started;

and after the induced draft fan is started, continuously detecting the surface temperature T2 of the element to be radiated, if T2 is more than or equal to Tb, increasing the rotating speed of the induced draft fan, and otherwise, keeping the rotating speed of the induced draft fan.

In some embodiments, the surface temperature of the heatsink element is continuously detected to obtain T1 and T2, respectively.

The control method of the auxiliary heat dissipation structure has the beneficial effects that:

judging whether the auxiliary heat dissipation structure needs to be started or not by judging the surface temperature of the element to be cooled, starting the induced draft fan and judging the water level of the water collection tank if the auxiliary heat dissipation structure needs to be started, and starting the atomizer when the water level is higher than a protection value so as to avoid power waste; and, constantly detect radiating element's surface temperature, when radiating element's surface temperature still is not low enough, can also guarantee the radiating effect through the rotational speed that improves the fan, and then improved radiating stability.

Drawings

Fig. 1 is an external structural view of an auxiliary heat dissipation structure according to an embodiment.

Fig. 2 is a sectional view of an auxiliary heat dissipation structure of the embodiment.

Fig. 3 is a schematic view of a working state of a water collecting tank and a water receiving tray in the auxiliary heat dissipation structure according to the embodiment.

Fig. 4 is a diagram of the working states of the housing and the induced draft fan in the air duct according to the embodiment.

Reference numerals

An air guide duct 1; an air outlet 2; a component 3 to be heat-radiated; an air inlet 4; a water collection tank 5; a water pan 6; an atomizer 7; the induced draft fan 8, the bracket 81, the air guide vane 82 and the motor 83; a flow guide passage 9; a housing 10; an expansion opening 11; a chassis 12.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in this specification and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that, although the terms first, second, third, etc. may be used herein to describe various information, such information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present invention. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

The disclosed supplementary heat radiation structure of this embodiment, fig. 1 is shown, including being located the inside wind channel 1 of air conditioner, fig. 2 is shown, the directional radiating element 3 of treating of air outlet 2 in wind channel 1, the directional water catch bowl 5 in income wind gap 4 in wind channel 1, the water catch bowl 6 of evaporimeter comdenstion water is connected to water catch bowl 5, fig. 2 is shown, be equipped with atomizer 7 in the water catch bowl 5, be equipped with draught fan 8 in the wind channel 1, the air exit of draught fan 8 is located 2 one sides of air outlet in wind channel 1.

An induced draft fan 8 is arranged in the air guide channel 1, and the air guide channel 1 can blow air generated by the induced draft fan 8 to the surface of the element 3 to be radiated to play a role in auxiliary radiation; the water collecting tank 5 makes full use of the condensed water with the temperature reduced by the evaporator, and the condensed water is atomized and then guided to the element to be cooled 3 through the draught fan 8, so that the cooling effect is further achieved, wherein the draught fan not only plays a role in heat dissipation, but also can guide water vapor, and has dual functions. In addition, because the auxiliary heat dissipation structure is arranged inside the air conditioner and is separated from the external environment, the heat dissipation effect of the element to be dissipated 3 can be still kept even if the temperature of the external environment of the air conditioner is higher, and the stability of heat dissipation is kept

As shown in fig. 3, the water collecting tank 5 is provided on an air conditioner base plate 12, and the base plate 12 is provided with a flow guide channel 9 for communicating the water collecting tank 5 with the water receiving tray 6. Because the water pan 6 and the water collection tank 5 are both arranged on the chassis 12, the water pan 6 and the water collection tank 5 can be connected only by arranging one diversion channel 9, so that the water collection tank 5 and the diversion channel 9 can be compactly arranged in the air conditioner, and the internal space of the air conditioner can not be occupied.

A water level monitoring module (not shown in the figure) is arranged in the water collecting tank 5 and is connected with the atomizer 7. The water level monitoring module monitors the water level in the water collection tank 5.

Fig. 3 shows, be equipped with support 81 in the wind channel 1, draught fan 8 includes motor 83 and wind blade 82, motor 83 is fixed on the support 81 and its pivot orientation the income wind gap 4 in wind channel 1, wind blade 82 rigid coupling is in the pivot. The bracket 81 occupies only a part of the air guide duct 1 on the air guide duct 1, and the bracket 81 provides a mounting position for the motor 83.

Treat that radiating element 3 is equipped with temperature monitoring module (not shown in the figure), temperature monitoring module connects draught fan 8 with water level monitoring module. The temperature monitoring module monitors the surface temperature of the element 3 to be radiated, and the water level monitoring module is started through the obtained temperature control, and the water level detection module is started only when the element needs to be radiated.

As shown in fig. 4, the air duct 1 includes a housing 10, and the housing 10 fixedly encloses the outer wall of the device to form the air duct 1. The housing 10 is tightly attached to the device to form the air duct 1, so that the structural compactness of the air duct 1 is further improved, and the air duct 1 is prevented from occupying too much space.

As shown in fig. 2, the induced draft fan 8 is close to the air outlet 2 of the air duct 1, so that the exhaust air of the induced draft fan 8 can be more concentrated on the element to be cooled 3.

As shown in fig. 2, the air outlet 2 of the air duct 1 is an expanded opening 11, and the expanded opening 11 is directed to the element to be cooled 3. The expansion opening 11 enables the air outlet to be uniformly distributed on the element 3 to be radiated.

Example 2

The present embodiment discloses an air conditioner including the auxiliary heat dissipation structure of embodiment 1.

Example 3

This embodiment discloses a method for controlling the auxiliary heat dissipation structure of embodiment 1, which includes the steps of,

s1, detecting the surface temperature T1 of the element 3 to be radiated,

s2, when the T1 is larger than or equal to Ta, starting the induced draft fan 8 and detecting the water level of the water collecting tank 5, if the water level of the water collecting tank 5 is lower than a protection value, not starting the atomizer 7, and otherwise, simultaneously starting the atomizer 7; if T1 is less than Ta, the auxiliary heat dissipation structure is not started;

after the draught fan 8 is started, the surface temperature T2 of the element to be cooled 3 is continuously detected, if T2 is larger than or equal to Tb, the rotating speed of the draught fan 8 is increased, and otherwise, the rotating speed of the draught fan 8 is kept.

Wherein the surface temperature of the heat radiating member is continuously detected to obtain T1 and T2, respectively. The T1 and T2 can be accurately obtained by continuously detecting the surface temperature of the heat dissipating member.

Judging whether the auxiliary heat dissipation structure needs to be started or not by judging the surface temperature of the element 3 to be cooled, starting the induced draft fan 8 and judging the water level of the water collection tank 5 if the auxiliary heat dissipation structure needs to be started, and starting the atomizer 7 when the water level is higher than a protection value so as to avoid power waste; and, constantly detect radiating element's surface temperature, when radiating element's surface temperature still is not low enough, can also guarantee the radiating effect through the rotational speed that improves the fan, and then guaranteed radiating stability.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An auxiliary heat dissipation structure is characterized in that: including being located the inside wind-guiding way of air conditioner, the directional radiating element of treating of air outlet in wind-guiding way, the directional catch basin in income wind gap in wind-guiding way, the water collector tray of evaporimeter comdenstion water is connected to the catch basin, be equipped with the atomizer in the catch basin, be equipped with the draught fan in the wind-guiding way, the air exit of draught fan is located air outlet one side in wind-guiding way.

2. The auxiliary heat dissipating structure of claim 1, wherein: the water collecting tank is arranged on an air conditioner base plate, and a diversion channel communicated with the water collecting tank and the water receiving disc is arranged on the base plate.

3. The auxiliary heat dissipating structure of claim 1, wherein: and a water level monitoring module is arranged in the water collecting tank and is connected with the atomizer.

4. The auxiliary heat dissipating structure of claim 1, wherein: be equipped with the support in the wind-guiding way, the draught fan includes motor and wind-guiding leaf, the motor is fixed on the support and its pivot orientation the income wind gap in wind-guiding way, the wind-guiding leaf rigid coupling is in the pivot.

5. The auxiliary heat dissipating structure of claim 1, wherein: and a temperature monitoring module is arranged on the element to be cooled and connected with the draught fan and the water level monitoring module.

6. The auxiliary heat dissipating structure of claim 1, wherein: the air guide channel comprises a shell, and the shell fixedly surrounds the outer wall of the device to form the air guide channel.

7. The auxiliary heat dissipating structure of claim 1, wherein: the induced draft fan is close to the air outlet of air guide channel.

8. The auxiliary heat dissipating structure of claim 1, wherein: the air outlet of the air guide duct is an expansion opening, and the expansion opening points to the element to be radiated.

9. The auxiliary heat dissipating structure of claim 1, wherein: the atomizer is an ultrasonic atomizer.

10. An air conditioner is characterized in that: comprising the auxiliary heat dissipation structure of any one of claims 1 to 9.

11. A control method of an auxiliary heat dissipation structure is characterized by comprising the following steps: the auxiliary heat dissipating structure according to any one of claims 1 to 9, wherein the control method comprises the steps of,

s1, detecting the surface temperature T1 of the element to be radiated,

12. The method for controlling an auxiliary heat dissipating structure of claim 11, wherein: the surface temperature of the heat radiating member was continuously detected to obtain T1 and T2, respectively.