Air mixing device and air conditioner

Abstract

The utility model relates to the technical field of heat pumps, and provides an air mixing device and an air conditioner. The air mixing device comprises a communication unit and an air supply unit, the communicating unit is provided with an inner cavity, an indoor environment air inlet, an outdoor environment air inlet and an air outlet; the indoor environment air inlet and the outdoor environment air inlet are communicated with the air outlet through the inner cavity; the air outlet communicates with an air return opening of an indoor unit of the air conditioner. The air supply unit is located in the inner cavity or the air outlet, connected with the communication unit and used for enabling air entering the inner cavity from the indoor environment air inlet and the outdoor environment air inlet to flow out through the air outlet. The technical problems that in the prior art, due to the fact that an air conditioning system and a fresh air system are mutually independent, occupied space is large, maintenance efficiency is low, and energy consumption is large are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat pumps, in particular to an air mixing device and an air conditioner. Background Art

[0002] Air conditioning, or air conditioner, refers to a device that uses artificial means to adjust and control parameters such as the temperature, humidity, and flow rate of the ambient air in a building or structure.

[0003] As people's demand for indoor air quality and comfort increases, it is necessary not only to achieve temperature control through air conditioning, but also to introduce fresh air through the fresh air system.

[0004] In the prior art, the air conditioning system (AC) and the fresh air system usually operate independently. The fresh air system is responsible for introducing fresh air and sending it into the room after heating or cooling, while the air conditioning system is responsible for adjusting the indoor temperature. Although the air conditioning system and the fresh air system can complement each other in function, the two are independent of each other, resulting in technical problems such as large space occupation, low maintenance efficiency and high energy consumption. Utility Model Content

[0005] The utility model provides an air mixing device and an air conditioner, which are used to solve the technical problems in the prior art of large occupied space, low maintenance efficiency and high energy consumption caused by the independence of the air conditioning system and the fresh air system.

[0006] The utility model provides an air mixing device, comprising a connecting unit and an air supply unit; the connecting unit has an inner cavity, an indoor environment air inlet, an outdoor environment air inlet and an air outlet; the indoor environment air inlet and the outdoor environment air inlet are connected to the air outlet through the inner cavity; the air outlet is connected to the return air outlet of the indoor unit of the air conditioner; the air supply unit is located in the inner cavity or the air outlet, and is connected to the connecting unit, and is used for allowing the air entering the inner cavity from the indoor environment air inlet and the outdoor environment air inlet to flow out through the air outlet.

[0007] According to one embodiment of the utility model, it also includes a first filter unit, which is arranged at the air inlet of the indoor environment and is used to filter the air entering from the air inlet of the indoor environment.

[0008] According to one embodiment of the utility model, it further includes a second filter unit, which is arranged at the air inlet of the outdoor environment and is used to filter the air entering from the air inlet of the outdoor environment.

[0009] According to one embodiment of the present invention, the first filter unit is an activated carbon filter unit; the second filter unit is a sterilization unit; or, the first filter unit is a sterilization unit; the second filter unit is an activated carbon filter unit.

[0010] According to one embodiment of the utility model, it also includes an air intake grille, which is located in the inner cavity and connected to the cavity wall of the inner cavity, and has a first area and a second area; the first area covers the air inlet of the indoor environment; the second area covers the air inlet of the outdoor environment; the grille holes in the first area are smaller than the grille holes in the second area.

[0011] According to one embodiment of the utility model, the connecting unit has a first end and a second end arranged opposite to each other along its axial direction; the air outlet is arranged on the first end; the inner cavity is arranged inside the connecting unit; the indoor environment air inlet and the outdoor environment air inlet are arranged on the side wall of the connecting unit; and the air supply unit is arranged on the first end.

[0012] According to one embodiment of the utility model, the connecting unit includes a first section and a second section connected in sequence along its axial direction; the first end is located in the first section; the second end is located in the second section; the indoor environment air inlet and the outdoor environment air inlet are located in the second section.

[0013] According to one embodiment of the utility model, it also includes a one-way valve, which is arranged in the first section and is used for conducting from the inner cavity to the air outlet.

[0014] According to one embodiment of the utility model, it also includes a temperature sensor, a control valve and a controller; the temperature sensor is arranged at the outdoor environment air inlet; the control valve is arranged at the outdoor environment air inlet; the controller is electrically connected to the temperature sensor and the control valve, and is used to close the control valve when the temperature sensor detects that the temperature value is lower than a preset value.

[0015] The utility model also provides an air conditioner, comprising: an indoor unit having a return air port; an air mixing device as in the above embodiment, wherein the air outlet of the air mixing device is connected to the return air port.

[0016] The features and advantages of the air mixing device and air conditioner of the utility model are:

[0017] 1. Improve space utilization. By integrating the functions of the air conditioning system and the fresh air system, the indoor environment air inlet, outdoor environment air inlet, inner cavity and air supply unit are designed as one, and the mixed processing of fresh air introduction and air conditioning return air is realized. That is, the air mixing device installed on the indoor unit is equivalent to the combination of the air conditioning system and the fresh air system. Compared with the traditional independent air conditioning and fresh air system, it reduces the space occupied by separate air ducts, equipment (fresh air system) and ancillary facilities, which helps to optimize the building layout, especially in the indoor environment with limited space, and significantly improves the space utilization.

[0018] 2. Improve maintenance efficiency. Since the air mixing device integrates the air conditioning return air and fresh air processing functions, maintenance personnel only need to focus on a single device when inspecting, cleaning or repairing, without having to independently troubleshoot and maintain the air conditioning system and the fresh air system. This integrated design simplifies the fault diagnosis and maintenance process, reduces the time and labor costs required for maintenance, and thus improves the overall maintenance efficiency.

[0019] 3. Reduce energy consumption. The air from the indoor environment air inlet and the outdoor environment air inlet are pre-mixed through the connecting unit and directly sent to the return air outlet of the air conditioner indoor unit. This design allows the fresh air to exchange heat with the indoor return air before entering the air conditioning system. The waste heat (in winter) or cold (in summer) of the indoor return air is used to pre-treat the fresh air, reducing the burden of the air conditioning system to significantly adjust the temperature of the fresh air, reducing the working intensity and energy consumption of the air conditioning system, and achieving improved energy efficiency.

[0020] 4. Enhanced system coordination. The air mixing device enables the air conditioning system and the fresh air system to operate in coordination, avoiding airflow conflicts, temperature fluctuations and energy losses that may be caused by the independent operation of the two. The output of the mixed airflow is controlled by a unified air supply unit, ensuring the uniform distribution of indoor air and the stability of temperature, thereby improving the overall comfort of the indoor environment.

[0021] In summary, the technical problems in the prior art such as large occupied space, low maintenance efficiency and high energy consumption caused by the independence of the air conditioning system and the fresh air system are solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 The utility model is a structural schematic diagram of an air mixing device installed in an indoor unit.

[0024] Figure 2 It is a stereoscopic diagram of the air mixing device of the utility model.

[0025] Figure 3 It is an exploded view of the air mixing device of the utility model.

[0026] Figure 4 It is a front view of the air intake grille of the utility model.

[0027] Reference numerals:

[0028] 100, air mixing device; 110, connecting unit; 111, indoor environment air inlet; 112, outdoor environment air inlet; 113, air outlet; 1101, first end; 1102, second end; 120, air supply unit; 130, air intake grille; 200, indoor unit; 210, return air outlet; O, axial direction of the connecting unit. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0030] In the description of the present embodiment, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present embodiment and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present embodiment.

[0031] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of this embodiment, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] In this embodiment, unless otherwise clearly specified and limited, the terms "set", "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For those of ordinary skill in the art, the specific meanings of the above terms in this embodiment can be understood according to specific circumstances.

[0033] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0034] Figures 1 to 4 The air mixing device 100 and the air conditioner provided by the utility model are shown. As can be seen from the figure, the air mixing device 100 of the utility model includes a connecting unit 110 and an air supply unit 120; the connecting unit 110 has an inner cavity, an indoor environment air inlet 111, an outdoor environment air inlet 112 and an air outlet 113; the indoor environment air inlet 111 and the outdoor environment air inlet 112 are connected to the air outlet 113 through the inner cavity; the air outlet 113 is connected to the return air outlet 210 of the indoor unit 200 of the air conditioner; the air supply unit 120 is located in the inner cavity or the air outlet 113, and is connected to the connecting unit 110, so as to allow the air entering the inner cavity from the indoor environment air inlet 111 and the outdoor environment air inlet 112 to flow out through the air outlet 113.

[0035] In specific implementation, the above structural setting has the following technical effects:

[0036] 1. Improve space utilization. By integrating the functions of the air conditioning system and the fresh air system, the indoor environment air inlet 111, the outdoor environment air inlet 112, the inner cavity and the air supply unit 120 are designed as one, and the mixed processing of fresh air introduction and air conditioning return air is realized. Compared with the traditional independent air conditioning and fresh air system, the space occupied by separate air ducts, equipment and ancillary facilities is reduced, which helps to optimize the building layout, especially in the indoor environment with limited space, and significantly improves the space utilization.

[0037] 2. Improve maintenance efficiency. Since the air mixing device 100 integrates the air conditioning return air and fresh air processing functions, maintenance personnel only need to focus on a single device during inspection, cleaning or maintenance, and do not need to perform independent troubleshooting and maintenance on the air conditioning system and the fresh air system. This integrated design simplifies the fault diagnosis and maintenance process, reduces the time and labor costs required for maintenance, and thus improves the overall maintenance efficiency.

[0038] 3. Reduce energy consumption. The air from the indoor environment air inlet 111 and the outdoor environment air inlet 112 is pre-mixed through the connecting unit 110 and directly sent to the return air outlet 210 of the air-conditioning indoor unit 200. This design allows the fresh air to exchange heat with the indoor return air before entering the air-conditioning system, and uses the waste heat (in winter) or cold (in summer) of the indoor return air to pre-treat the fresh air, reducing the burden of the air-conditioning system on large-scale temperature and humidity regulation of the fresh air, reducing the working intensity and energy consumption of the air-conditioning system, and achieving improved energy utilization efficiency; in addition, only one electrical appliance (air supply unit 120) is required.

[0039] 4. Enhanced system coordination. The air mixing device 100 enables the functions of the air conditioning system and the fresh air system to operate in coordination, avoiding airflow conflicts, temperature fluctuations and energy losses that may be caused by the independent operation of the two. The output of the mixed airflow is controlled by the unified air supply unit 120, ensuring the uniform distribution of indoor air and the stability of temperature, thereby improving the overall comfort of the indoor environment.

[0040] In summary, the technical problems in the prior art such as large occupied space, low maintenance efficiency and high energy consumption caused by the independence of the air conditioning system and the fresh air system are solved.

[0041] According to an embodiment of the present invention, it further includes a first filter unit, which is disposed at the indoor environment air inlet 111 and is used to filter the air entering from the indoor environment air inlet 111 .

[0042] In specific implementation, the first filter unit is arranged at the indoor environment air inlet 111, and is used to filter the air entering from the indoor environment air inlet 111. This design strengthens the purification treatment of indoor return air and further improves the indoor air quality; and, by performing fine filtration before entering the air conditioner, it helps to reduce the pressure on the air conditioner filtering link, extend the service life of the air conditioner (indoor unit) filter, and also provide users with a healthier indoor living environment.

[0043] According to an embodiment of the present invention, a second filter unit is further included, which is disposed at the outdoor environment air inlet 112 and is used to filter the air entering from the outdoor environment air inlet 112 .

[0044] In specific implementation, the second filter unit is arranged at the outdoor environment air inlet 112, and is used to filter the fresh air entering from the outdoor environment air inlet 112, thereby ensuring the quality of the fresh air. In addition, the design of the dual filter units improves the overall filtering efficiency of the air mixing device 100, providing users with purer and healthier indoor air.

[0045] In a feasible implementation, the first filter unit is an activated carbon filter unit; the second filter unit is a sterilization unit.

[0046] In another feasible embodiment, the first filter unit is a sterilization unit; and the second filter unit is an activated carbon filter unit.

[0047] In specific implementation, the activated carbon filtration unit can efficiently adsorb harmful gases and odor molecules in the air, while the sterilization unit can effectively kill microorganisms such as bacteria and viruses in the air. This combination can not only remove chemical pollutants in the air in a targeted manner, but also ensure the biological safety of the air, providing users with comprehensive air quality guarantees.

[0048] According to one embodiment of the utility model, it also includes an air intake grille 130, which is located in the inner cavity and connected to the cavity wall of the inner cavity. The air intake grille 130 has a first area and a second area; the first area covers the indoor environment air inlet 111; the second area covers the outdoor environment air inlet 112; the grille holes in the first area are smaller than the grille holes in the second area.

[0049] In specific implementation, the first area and the second area cover the indoor environment air inlet 111 and the outdoor environment air inlet 112 respectively, and the grille holes in the first area are smaller than the grille holes in the second area. This design reasonably allocates the filtering accuracy of the air inlet grille 130 based on the difference in dust particle content and particle size distribution between indoor return air and outdoor fresh air, ensures that the indoor return air is filtered more carefully, reduces the load of subsequent filtering units, and ensures the smooth introduction of outdoor fresh air. The differentiated design of the air inlet grille 130 improves the filtering efficiency and overall performance of the air mixing device 100.

[0050] In this embodiment, the air intake grille 130 may be a cylindrical structure with openings at both ends, and may be coaxially arranged with the connecting unit 110, and the outer peripheral wall of the air intake grille 130 is connected to the side wall of the inner cavity of the connecting unit 110; the first area and the second area may both be located on the outer peripheral wall of the connecting unit 110.

[0051] According to one embodiment of the utility model, the connecting unit 110 has a first end 1101 and a second end 1102 which are arranged opposite to each other along its axial direction O; the air outlet 113 is arranged on the first end 1101; the inner cavity is arranged inside the connecting unit 110; the indoor environment air inlet 111 and the outdoor environment air inlet 112 are arranged on the side wall of the connecting unit 110; and the air supply unit 120 is arranged on the first end 1101.

[0052] In specific implementation, the axial O setting of the connecting unit 110 is conducive to the linear flow of airflow, reduces airflow resistance, and improves air mixing efficiency; the air supply unit 120 is set on the first end 1101, directly drives the mixed airflow into the return air outlet 210 of the air-conditioning indoor unit 200, has a compact structure and can effectively reduce energy loss. This layout design is conducive to simplifying the installation process, reducing equipment volume, and improving space utilization.

[0053] In this embodiment, the connecting unit 110 includes a first section and a second section connected in sequence along its axial direction O; the first end 1101 is located in the first section; the second end 1102 is located in the second section; the indoor environment air inlet 111 and the outdoor environment air inlet 112 are located in the second section.

[0054] According to an embodiment of the present invention, a one-way valve is further included, which is arranged in the first section and is used for conducting the gas from the inner cavity to the gas outlet 113 .

[0055] In a specific implementation, the presence of the one-way valve ensures that the air flow direction between the air mixing device 100 and the air conditioner indoor unit 200 is stable, and avoids the backflow of air due to air conditioner shutdown or air pressure fluctuation.

[0056] According to one embodiment of the utility model, it also includes a temperature sensor, a control valve and a controller; the temperature sensor is arranged at the outdoor environment air inlet 112; the control valve is arranged at the outdoor environment air inlet 112; the controller is electrically connected to the temperature sensor and the control valve, and is used to close the control valve when the temperature sensor detects that the temperature value is lower than the preset value.

[0057] In specific implementation, when the temperature sensor detects that the temperature at the outdoor environment air inlet 112 is lower than the preset value, the controller will instruct the control valve to close to prevent low-temperature fresh air from entering the inner cavity. This design can prevent over-cooled fresh air from directly entering the room in cold seasons and affecting indoor comfort. At the same time, it can avoid the air-conditioning system from increasing additional energy consumption due to processing over-cooled fresh air. The intelligent temperature control function improves the adaptability of the air mixing device 100, which helps to achieve energy-saving operation and optimize indoor environment temperature control.

[0058] The utility model also provides an air conditioner, comprising an indoor unit 200 (such as an indoor unit of a duct air conditioner) and an air mixing device 100, wherein the indoor unit 200 has a return air port 210; an air outlet 113 of the air mixing device 100 is connected to the return air port 210. The specific structure, working principle and beneficial effects of the air mixing device 100 are the same as those of the above embodiment, and will not be described in detail herein.

[0059] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "mode", "specific mode", or "some modes" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or mode are included in at least one embodiment or mode of the utility model embodiment. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or mode. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or modes in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or modes described in this specification and the features of the different embodiments or modes, without contradiction.

[0060] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. An air mixing device, characterized in that: It comprises a communication unit (110) and an air supply unit (120); The communication unit (110) comprises an inner cavity, an indoor environment air inlet (111), an outdoor environment air inlet (112), and an air outlet (113); the indoor environment air inlet (111) and the outdoor environment air inlet (112) are connected to the air outlet (113) through the inner cavity; the air outlet (113) is connected to the return air outlet (210) of the indoor unit (200) of the air conditioner; The air supply unit (120) is located in the inner cavity or the air outlet (113) and is connected to the communication unit (110) so as to allow air entering the inner cavity from the indoor environment air inlet (111) and the outdoor environment air inlet (112) to flow out through the air outlet (113).

2. The air mixing device according to claim 1, characterized in that: It also comprises a first filtering unit, which is arranged at the indoor environment air inlet (111) and is used to filter the air entering from the indoor environment air inlet (111).

3. The air mixing device according to claim 2, characterized in that: It also comprises a second filter unit, which is arranged at the outdoor environment air inlet (112) and is used to filter the air entering from the outdoor environment air inlet (112).

4. The air mixing device according to claim 3, characterized in that: The first filter unit is an activated carbon filter unit; the second filter unit is a sterilization unit; or, The first filter unit is a sterilization unit; the second filter unit is an activated carbon filter unit.

5. The air mixing device according to claim 1, characterized in that: Also included is an air intake grille (130), the air intake grille (130) being located in the inner cavity and connected to a cavity wall of the inner cavity, the air intake grille (130) having a first area and a second area; The first area covers the indoor environment air inlet (111); The second area covers the outdoor environment air inlet (112); The grille holes in the first region are smaller than the grille holes in the second region.

6. The air mixing device according to claim 1, characterized in that: The communication unit (110) has a first end (1101) and a second end (1102) which are arranged opposite to each other along the axial direction (O) thereof; The air outlet (113) is arranged on the first end (1101); The inner cavity is arranged inside the communication unit (110); The indoor environment air inlet (111) and the outdoor environment air inlet (112) are arranged on the side wall of the communication unit (110); The air supply unit (120) is arranged on the first end (1101).

7. The air mixing device according to claim 6, characterized in that: The communication unit (110) comprises a first section and a second section which are sequentially connected along the axial direction (O) thereof; The first end (1101) is located at the first section; The second end (1102) is located at the second section; The indoor environment air inlet (111) and the outdoor environment air inlet (112) are located in the second section.

8. The air mixing device according to claim 7, characterized in that: It also includes a one-way valve, which is arranged in the first section and is used for conducting the gas from the inner cavity to the gas outlet (113).

9. The air mixing device according to any one of claims 1 to 8, characterized in that: Also includes temperature sensors, control valves and controllers; The temperature sensor is arranged at the outdoor environment air inlet (112); The control valve is arranged at the outdoor environment air inlet (112); The controller is electrically connected to the temperature sensor and the control valve, and is used to close the control valve when the temperature sensor detects that the temperature value is lower than a preset value.

10. An air conditioner, characterized in that: include: The indoor unit (200) has a return air outlet (210); The air mixing device according to any one of claims 1 to 9, wherein the air outlet (113) of the air mixing device is connected to the return air outlet (210).

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