CN106642435A - Air exchange assembly and air conditioner - Google Patents

Abstract

The present invention provides a ventilation assembly and an air conditioner, wherein the ventilation assembly includes: a heat exchanger; a first air duct connected to the heat exchanger; a first fan installed in the first air duct; a second air duct The air channel is connected with the heat exchanger, and the gas in the second air channel exchanges heat with the gas in the first air channel through the heat exchanger; the second fan is set in the second air channel; the switching mechanism is set in the second air channel On the channel, the switching mechanism controls the opening or closing of the second air channel. In the ventilation assembly provided by the present invention, the gas in the second air duct exchanges heat with the gas in the first air duct through a heat exchanger, and the evaporator of the air conditioner is located at the air outlet of the second air duct and flows out of the second air duct. The gas is refrigerated or heated, and at the same time, a switching mechanism is provided on the second air duct to realize the control of the internal circulation mode or the external circulation mode of the ventilation assembly or the air conditioner equipped with the ventilation assembly.

Description

Ventilation components and air conditioners

technical field

The invention relates to the technical field of air conditioning, in particular to a ventilation assembly and an air conditioner.

Background technique

Common traditional air conditioners in daily life usually supply air with internal circulation, that is, the air conditioner only cools or heats the air in the room. However, in the living room or office area with a large number of people, the oxygen content in the room gradually decreases If the CO2 concentration is reduced, the CO2 concentration will increase and the air will be turbid, which is not conducive to human health. Opening windows for ventilation can improve the indoor air quality to a certain extent, but it reduces the cooling or heating efficiency of the air and wastes energy.

Contents of the invention

In order to solve at least one of the above technical problems, the embodiment of the first aspect of the present invention provides a ventilation assembly.

The embodiment of the second aspect of the present invention also provides an air conditioner.

In view of this, according to the embodiment of the first aspect of the present invention, the present invention proposes a ventilation assembly for an air conditioner, including: a heat exchanger; a first air duct connected to the heat exchanger; a first The fan is arranged in the first air passage; the second air passage is connected with the heat exchanger, and the gas in the second air passage exchanges heat with the gas in the first air passage through the heat exchanger; the second fan is arranged in the second air passage In the channel: a switching mechanism, the switching mechanism is arranged on the second air channel, and the switching mechanism controls the opening or closing of the second air channel.

In the ventilation assembly provided by the present invention, the gas in the second air duct exchanges heat with the gas in the first air duct through a heat exchanger, and the evaporator of the air conditioner is located at the air outlet of the second air duct and flows out of the second air duct. Gas cooling or heating. Generally speaking, the second air duct extracts fresh air from outside or other locations to supply air to the air conditioner, which ensures that the room where the air conditioner is located can be replenished with fresh air in time to improve air quality and oxygen content, while the first air duct makes the room more air-conditioned. Dirty, low-oxygen gas is discharged to the outside, which realizes the gas external circulation function of the air conditioner; and by setting a heat exchanger, the outdoor air can be preheated or precooled when it enters the room, which improves energy utilization and effectively Reduces the load on the air conditioner. At the same time, a switching mechanism is also provided on the second air duct to realize the control of the internal circulation mode or the external circulation mode of the air conditioner equipped with the ventilation assembly, which further improves the flexibility and control of the ventilation assembly. Energy efficiency. And the ventilation component itself has the characteristics of modularization. For some old traditional air conditioners, without replacing the air conditioning equipment, the fresh air ventilation function of the air conditioner can be realized by adding the ventilation component, without having to replace the air conditioner separately. This not only improves the market scope and product competitiveness of the ventilation component, but also reduces the cost of updating the air-conditioning function.

In addition, the ventilation assembly in the above embodiments provided by the present invention may also have the following additional technical features:

In the above technical solution, preferably, the switching mechanism includes: a windshield, and the windshield controls the simultaneous opening or closing of the first air passage and the second air passage through rotation or translation.

In this technical solution, by setting the windshield, the first air passage and the second air passage are controlled to open or close simultaneously, thereby realizing the internal circulation and external circulation modes of the ventilation assembly and the air conditioner provided with the ventilation assembly. switch. Generally, the air inlet of the first air duct and the air outlet of the second air duct can be arranged side by side, and at the same time, the windshield is rotated or translated so that the two are opened or closed at the same time. mode switching, and is conducive to simplifying the overall structure of the ventilation assembly, which is convenient for control.

In any of the above technical solutions, preferably, the sealing rubber strip is arranged on the windshield and located at the position where the windshield cooperates with the first air duct and the second air duct.

In this technical solution, the sealing performance of the ventilation assembly is improved by setting the sealing rubber strip at the joint between the windshield and the first air duct and the second air duct, so as to avoid the reduction of the air conditioner equipped with the ventilation assembly due to air leakage. heating or cooling efficiency.

In any of the above technical solutions, preferably, further comprising: a filter assembly arranged on the second air duct.

In this technical solution, by setting a filter assembly on the second air duct, impurities, dust, etc. in the air supply from the second air duct to the air conditioner are filtered to improve the quality of the air supply and user experience.

In any of the above technical solutions, preferably, the filter assembly includes a filter screen and activated carbon.

In this technical solution, through the use of filters, such as high-efficiency air filters (HEPA), the pollutants such as smoke, dust, and bacteria in the gas in the second air duct are effectively filtered to fully ensure that the air supply of the air conditioner is clean and safe. ; At the same time, the ability to absorb and filter pollutants is further improved by setting activated carbon.

In any of the above technical solutions, preferably, the first fan is a centrifugal fan exhaust fan; the second fan is a centrifugal fan suction fan.

In this technical solution, the first fan adopts a centrifugal rotor exhaust fan, and the second fan adopts a centrifugal rotor suction fan. By adopting a centrifugal exhaust fan, its suction and exhaust capacity can be improved, and the gas flow can be adjusted easily. , At the same time, it also helps to reduce the noise of the ventilation component during use.

In any of the above technical solutions, preferably, further comprising: a first speed governor, the first speed governor is connected to the first fan; a second speed governor, the second speed governor is connected to the second fan.

In this technical solution, by setting the first speed governor and the second speed governor to control the first fan and the second fan respectively, it is possible to realize the control of the ventilation volume and ventilation speed of the ventilation assembly, and at the same time The gas exchange amount and heat exchange rate in the heat exchanger can be controlled by adjusting the rotational speed of the first fan or the second fan.

The air conditioner provided by the embodiment of the second aspect of the present invention includes: the ventilation assembly of the embodiment of the first aspect.

The air conditioner provided by the present invention, by adding the ventilation assembly of the embodiment of the first aspect, realizes the switching of the air supply source of the air conditioner, which can be changed from the traditional only indoor air supply to the optional fresh air supply from outdoor or other locations. This ensures that the room where the air conditioner is located can be replenished with fresh air in a timely manner, improving air quality and oxygen content, and at the same time discharges the dirty indoor gas with low oxygen content to the outside in a timely manner, improving the use experience of the air conditioner. At the same time, the ventilation component can be used as an independent module and added to the existing air conditioning system to realize the fresh air ventilation function of the air conditioner without replacing the air conditioner.

In addition, the air conditioner in the above embodiments provided by the present invention may also have the following additional technical features:

In the above technical solution, preferably, it further includes: an evaporator; an air supply port arranged on the evaporator, and the air supply port is connected to the second air duct.

In this technical solution, the gas in the second air duct supplies gas to the evaporator through the gas supply port for heating or cooling, and improves the quality and oxygen content of the air.

In any of the above technical solutions, preferably, the air supply port includes a first air supply sub-port and a second air supply sub-port, and the second air supply sub-port is connected to the second air channel; the switching structure is also used to switch the first air supply sub-port One air supply port or the second air supply port supplies air to the air conditioner.

In this technical solution, two air supply modes for the evaporator are realized by setting the first air supply sub-port and the second air supply sub-port. Generally, the second air channel and the second air supply sub-port provide the evaporator with Fresh, clean gas with high oxygen content improves the indoor air quality, and the second air supply port can be connected to the room as an air-conditioning air supply port for internal circulation, and the switching structure can also realize the first air supply port The switching of the air outlet or the second air supply sub-port realizes the switching function of the internal circulation mode or the external circulation mode of the air conditioner.

In any of the above technical solutions, preferably, it further includes: an air intake grill arranged on the air supply port.

In this technical solution, by setting the air intake grille on the air supply port, some larger debris can be filtered to prevent the debris from entering the evaporator, affecting the use of the evaporator or even damaging the air device. The air intake direction can be controlled by setting the grille shape of the air intake grille, so as to improve the air intake efficiency and heating or cooling efficiency of the air conditioner.

Additional aspects and advantages of the invention will become apparent in the description which follows, or may be learned by practice of the invention.

Description of drawings

The above and/or additional aspects and advantages of the present invention will become apparent and comprehensible from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a schematic structural view of the first embodiment of an embodiment of the present invention;

Fig. 2 is a structural schematic diagram of a second embodiment of the structure shown in Fig. 1 .

Wherein, the corresponding relationship between reference numerals and component names in Fig. 1 and Fig. 2 is:

10 ventilation assembly, 102 heat exchanger, 104 first air duct, 106 first fan, 108 second air duct, 110 second fan, 112 switching mechanism, 114 filter assembly, 20 air conditioner, 202 evaporator, 204 supply Air port, 2042 first air supply port, 2044 second air supply port, 206 air intake grille.

detailed description

In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.

The ventilation assembly and the air conditioner according to some embodiments of the present invention will be described below with reference to FIG. 1 and FIG. 2 .

As shown in Figures 1 and 2, the present invention provides a ventilation assembly 10 for an air conditioner 20, comprising: a heat exchanger 102; a first air duct 104 connected to the heat exchanger 102; a first fan 106, arranged in the first air duct 104; the second air duct 108 is connected to the heat exchanger 102, and the gas in the second air duct 108 exchanges heat with the gas in the first air duct 104 through the heat exchanger 102; The second fan 110 is arranged in the second air passage 108 ; the switching mechanism 112 , the switching mechanism 112 is arranged on the second air passage 108 , and the switching mechanism 112 controls the opening or closing of the second air passage 108 .

In the ventilation assembly 10 provided by the present invention, the gas in the second air duct 108 exchanges heat with the gas in the first air duct 104 through the heat exchanger 102 , and the evaporator 202 of the air conditioner 20 is located at the air outlet of the second air duct 108 and cool or heat the gas flowing out of the second air duct 108. Generally, the second air duct 108 draws fresh air from outside or other locations to supply air to the air conditioner, which ensures that the room where the air conditioner is located can be replenished with fresh air in time to improve air quality and oxygen content, while the first air duct 104 will The dirty indoor gas with low oxygen content is discharged to the outside, which realizes the gas external circulation function of the air conditioner; and by setting the heat exchanger 102, the outdoor air can be preheated or precooled when it enters the room, which improves the utilization of energy rate, effectively reducing the load of the air conditioner. At the same time, the second air duct 108 is also provided with a switching mechanism 112 to realize the control of the internal circulation mode or the external circulation mode of the air-conditioning assembly 10 or the air-conditioning assembly 10, which further improves the ventilation assembly. 10 Control flexibility and energy efficiency. And the ventilation assembly 10 itself has the feature of modularization. For some old traditional air conditioners, under the premise of not replacing the air conditioning equipment, the fresh air ventilation function of the air conditioner can be realized by adding the ventilation assembly 10, without having to separate Replacing the air-conditioning equipment not only improves the market scope and product competitiveness of the ventilation assembly 10, but also reduces the cost for updating the air-conditioning function.

In one embodiment of the present invention, as shown in FIG. 1 and FIG. 2 , preferably, the switching mechanism 112 includes: a windshield, and the windshield controls the first air duct 104 and the second air duct 108 through rotation or translation at the same time on or off at the same time.

In this embodiment, the first air passage 104 and the second air passage 108 are controlled to open or close simultaneously by setting the windshield, thereby realizing the internal circulation and the internal circulation of the air exchange assembly 10 and the air conditioner provided with the air exchange assembly 10 . Switching of external circulation mode. Generally, as shown in Figures 1 and 2, the air inlet of the first air duct 104 and the air outlet of the second air duct 108 can be arranged side by side, and the windshield is rotated so that both are opened or closed at the same time, so that Not only realizes the switching of the air supply mode of the ventilation assembly 10, but also facilitates the simplification of the overall structure of the ventilation assembly 10 and facilitates control. In addition, the wind deflector in Fig. 1 and Fig. 2 can be rotated to open and close the two air ducts, and the wind deflector can also be controlled by translation or other means to achieve the same purpose, which will not be repeated in this specification.

In one embodiment of the present invention, preferably, the sealing rubber strip is disposed on the windshield and located at the joint of the windshield and the first air duct 104 and the second air duct 108 .

In this embodiment, the sealing performance of the ventilator assembly 10 is improved by setting the sealing strips at the joints of the windshield, the first air duct 104, and the second air duct 108, so as to avoid reducing the capacity of the ventilator due to air leakage. The heating or cooling efficiency of the air conditioner of the package 10.

In one embodiment of the present invention, preferably, as shown in FIG. 1 and FIG. 2 , further includes: a filter assembly 114 disposed on the second air duct 108 .

In this embodiment, by setting the filter assembly 114 on the second air duct 108, impurities and dust in the air supply from the second air duct 108 to the air conditioner are filtered to improve the quality of the air supply and user experience. The position of the filter assembly 114 can be set according to the actual situation. It can be arranged before the heat exchanger 102 to filter the gas before entering the heat exchanger 102, or it can be arranged after the heat exchanger 102 to prevent the gas from entering the heat exchanger 102. The pressure loss when passing through the heat exchanger 102.

In one embodiment of the present invention, preferably, the filter assembly 114 includes a filter net and activated carbon.

In this embodiment, by using a filter, such as a high-efficiency air filter (HEPA), the pollutants such as smog, dust, and bacteria in the gas in the second air duct 108 are effectively filtered to fully ensure that the air supply of the air conditioner is clean. , safety; at the same time, the ability to absorb and filter pollutants is further improved by setting activated carbon.

In one embodiment of the present invention, preferably, the first fan 106 is a centrifugal fan exhaust fan; the second fan 110 is a centrifugal fan suction fan.

In this embodiment, the first fan 106 adopts a centrifugal rotor exhaust fan, and the second fan 110 adopts a centrifugal rotor suction fan. By adopting a centrifugal exhaust fan, its suction and exhaust capacity can be improved, and it is easy to adjust The gas flow rate also helps to reduce the noise of the ventilation assembly 10 during use. The type and location of the fan can be selected according to the actual situation. Usually, the fan type with large flow rate, low noise and easy control is preferred.

In one embodiment of the present invention, preferably, it also includes: a first speed governor, the first speed governor is connected to the first fan 106; a second speed governor, the second speed governor is connected to the second fan 110 connected.

In this embodiment, by setting the first governor and the second governor to control the first fan 106 and the second fan 110 respectively, it is possible to control the ventilation volume and ventilation speed of the ventilation assembly 10 , and at the same time, the gas exchange amount and heat exchange rate in the heat exchanger 102 can also be controlled by adjusting the rotational speed of the first fan 106 or the second fan 110 . For the situation where there is a large demand for air exchange, the speed of the fan can be appropriately increased to increase the speed of air exchange; at the same time, the heat exchange efficiency of the heat exchanger 102 can also be improved by adjusting the speed of the fan. In practical applications, a full heat exchanger is usually used Ensure good heat transfer effect.

In one embodiment of the present invention, as shown in FIG. 1, the switching mechanism 112 is in a horizontal position to open the first air duct 104 and the second air duct 108, the ventilation assembly 10 starts to exchange air and supply air for the air conditioner, and the air flows to The evaporator refrigerates or heats. Generally, the two ends of the first air duct 104 and the second air duct 108 are located indoors and outdoors respectively. The air duct 108 is sent into the room for heating or cooling, thereby exhausting the dirty indoor air with high carbon dioxide concentration to the outside, and sending the fresh outdoor air with high oxygen content into the room. The filter assembly 114 of 108 can effectively filter the air entering the room to ensure clean air. By adopting the ventilation assembly 10, the indoor and outdoor air is effectively exchanged, and at the same time, the heat exchanger 102 is used to improve the energy utilization rate and avoid energy loss. Moreover, the ventilation assembly 10 can be manufactured in a modular manner, and it can be It can be directly applied to the existing traditional air conditioners without having to bear the high cost of equipment replacement.

In one embodiment of the present invention, as shown in FIG. 2, the switching mechanism 112 is in a vertical position and closes the first air duct 104 and the second air duct 108. At this time, the air conditioner is in an internal circulation mode without exchanging air with the outside. When the number of people in the room is small and the carbon dioxide concentration is not high, the internal circulation mode can help reduce the load of the air conditioner and save energy. Through the switching of the air-conditioning internal circulation or external circulation of the air-conditioning assembly 10, the control of the air-conditioning is strengthened, and at the same time, an appropriate working mode can be adopted under various conditions to avoid energy waste.

The present invention also provides an air conditioner 20, as shown in Fig. 1 and Fig. 2 , comprising: the ventilation assembly 10 of the embodiment of the first aspect.

The air conditioner 20 provided by the present invention, by adding the ventilation assembly 10 of the embodiment of the first aspect, realizes the switching of the air-conditioning air supply source, which can be changed from the traditional only indoor air supply to the optional outdoor or other location. Fresh air supply, which ensures that the room where the air conditioner is located can be replenished with fresh air in a timely manner, improving air quality and oxygen content, and at the same time promptly discharges the dirty indoor gas with low oxygen content to the outside, improving the performance of the air conditioner 20. Use experience. At the same time, the ventilation assembly 10 can be used as an independent module and added to the existing air conditioning system to realize the fresh air ventilation function of the air conditioner without replacing the air conditioner.

In one embodiment of the present invention, preferably, as shown in FIG. 1 and FIG. 2 , it also includes: an evaporator 202 ; an air supply port 204 arranged on the evaporator 202 , and the air supply port 204 is connected to the second air duct 108 connected.

In this embodiment, the gas in the second air duct 108 supplies gas to the evaporator 202 through the gas supply port 204 for heating or cooling, and improves the quality and oxygen content of the air.

In one embodiment of the present invention, preferably, as shown in FIG. 1 and FIG. 2 , the air supply port 204 includes a first air supply sub-port 2042 and a second air supply sub-port 2044, and the second air supply sub-port 2044 and The second air duct 108 is connected; the switching structure is also used to switch the first air supply sub-port 2042 or the second air supply sub-port 2044 to supply air to the air conditioner 20 .

In this embodiment, two air supply modes for the evaporator 202 are realized by setting the first air supply sub-port 2042 and the second air supply sub-port 2044. Generally, the second air duct 108 and the second air supply sub-port 2044 provides fresh, clean gas with high oxygen content for the evaporator 202 to improve the indoor air quality, and the second air supply sub-port 2044 can be connected with the indoor as the air-conditioning air supply port 204 of the internal circulation, and the switching structure also It is possible to switch between the first air supply sub-port 2042 or the second air supply sub-port 2044 (open the second air supply sub-port 2044 in FIG. One air inlet closes the second air inlet, and the air conditioner only refrigerates or heats the gas in the room), and then realizes the switching function for the internal circulation mode or the external circulation mode of the air conditioner.

In one embodiment of the present invention, preferably, as shown in FIG. 1 and FIG. 2 , it further includes: an air intake grill 206 disposed on the air supply port 204 .

In this embodiment, by setting the air intake grille 206 on the air supply port 204, some larger debris can be filtered to prevent the debris from entering the evaporator 202 by mistake, affecting the use of the evaporator 202 and even damaging the air conditioner. At the same time, the air intake direction can be controlled by setting the grille shape of the air intake grille 206, so as to improve the air intake efficiency and heating or cooling efficiency of the air conditioner 20.

In the present invention, the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installation", "connection", "connection", "fixed" and other terms should be interpreted in a broad sense, for example, "connection" can be fixed connection, detachable connection, or integral connection; "connection" can be directly or indirectly through an intermediary. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

In the description of this specification, descriptions of the terms "one embodiment", "some embodiments", "specific embodiments" and the like mean that specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in the present invention In at least one embodiment or example of . In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (11)

1. a kind of ventilation component, for air-conditioner, it is characterised in that include：

Heat exchanger；

First air channel, is connected with the heat exchanger；

First blower fan, is arranged in first air channel；

Second air channel, is connected with the heat exchanger, the gas in second air channel by the heat exchanger with it is described Gas converting heat in first air channel；

Second blower fan, is arranged in second air channel；

Switching mechanism, the switching mechanism is arranged on second air channel, and the switching mechanism controls second air channel It is turned on and off.

2. ventilation component according to claim 1, it is characterised in that the switching mechanism includes：

Deep bead, the deep bead is by rotation or translates control first air channel and second air channel while opening or same When close.

3. ventilation component according to claim 2, it is characterised in that also include：

Sealing joint strip, is arranged on the deep bead and positioned at the deep bead and first air channel, second air channel At cooperation.

4. ventilation component according to claim 1, it is characterised in that also include：

Filter assemblies, are arranged on second air channel.

5. ventilation component according to claim 4, it is characterised in that

The filter assemblies include screen pack and activated carbon.

6. ventilation component according to any one of claim 1 to 5, it is characterised in that

First blower fan is centrifugal wind wheel exhaust fan；

Second blower fan is centrifugal wind wheel suction fan.

7. ventilation component according to any one of claim 1 to 5, it is characterised in that also include：

First speed regulator, first speed regulator is connected with first blower fan；

Second speed regulator, second speed regulator is connected with second blower fan.

8. a kind of air-conditioner, it is characterised in that include：

Ventilation component as any one of claim 1 to 7.

9. air-conditioner according to claim 8, it is characterised in that also include：

Evaporimeter；

Air supply opening, is arranged on the evaporimeter, and the air supply opening is connected with second air channel.

10. air-conditioner according to claim 9, it is characterised in that

The air supply opening includes the first supply rim of the mouth and the second supply rim of the mouth, the second supply rim of the mouth and second air channel phase Connection；

The switching construction is additionally operable to the switching first supply rim of the mouth or the second supply rim of the mouth supplies to the air-conditioner.

11. air-conditioners according to claim 9, it is characterised in that also include：

Air-inlet grille, is arranged on the air supply opening.