CN218455260U - Energy-saving indirect evaporation air conditioning unit - Google Patents
Energy-saving indirect evaporation air conditioning unit Download PDFInfo
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- CN218455260U CN218455260U CN202222125396.5U CN202222125396U CN218455260U CN 218455260 U CN218455260 U CN 218455260U CN 202222125396 U CN202222125396 U CN 202222125396U CN 218455260 U CN218455260 U CN 218455260U
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Abstract
The utility model relates to the field of refrigeration equipment, and discloses an energy-saving indirect evaporation air conditioning unit, which comprises a box body, an outdoor fan and a heat exchanger arranged in the box body; a fresh air inlet and a first fresh air outlet are arranged on the box body at intervals, and a first air flow channel is formed between the fresh air inlet and the first fresh air outlet; the heat exchanger and the outdoor fan are both positioned in the first air flow channel, and the heat exchanger and the outdoor fan are sequentially arranged along the flowing direction of the air flow; the first air flow channel is not provided with a condenser. The energy-saving indirect evaporation air conditioning unit in the embodiment has better energy-saving effect.
Description
Technical Field
The utility model relates to a refrigeration plant field especially relates to an energy-saving indirect evaporation air conditioning unit.
Background
The existing indirect evaporation air conditioning unit comprises a heat exchanger and a condenser, wherein the heat exchanger can realize heat exchange between outdoor fresh air and indoor return air so as to realize cooling, the condenser is arranged between the heat exchanger and an outdoor fresh air outlet, and the outdoor fresh air needs to pass through the heat exchanger, then passes through the condenser and can be discharged from the outdoor fresh air outlet at last.
In the prior art, no matter what mode is adopted by the air conditioning unit, outdoor fresh air needs to pass through the condenser, and the air resistance is increased due to the condenser, so that the air volume of the outdoor fresh air passing through the heat exchanger is reduced, and the energy-saving effect of the air conditioning unit is poor.
In view of the above, there is a need to design an energy-saving indirect evaporation air conditioning unit which can effectively save energy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-saving indirect evaporation air conditioning unit, this energy-saving indirect evaporation air conditioning unit's energy-conserving effect is better.
To achieve the purpose, the utility model adopts the following technical proposal:
an energy-saving indirect evaporation air conditioning unit comprises a box body, an outdoor fan and a heat exchanger arranged in the box body;
a fresh air inlet and a first fresh air outlet are arranged on the box body at intervals, and a first air flow channel is formed between the fresh air inlet and the first fresh air outlet;
the heat exchanger and the outdoor fan are both positioned in the first air flow channel, and the heat exchanger and the outdoor fan are sequentially arranged along the flowing direction of the air flow;
the first air flow channel is not provided with a condenser.
Optionally, a second fresh air outlet is further arranged on the box body; the second fresh air outlet is communicated with the first air flow channel;
the first fresh air outlet is provided with a first air valve, and the first air valve is connected with a first air valve actuator for controlling the opening of the first air valve;
a U-shaped condenser is arranged between the second fresh air outlet and the first fresh air outlet;
when the first air valve is closed, the air flow in the first air flow channel flows through the U-shaped condenser and is discharged from the second fresh air outlet.
Optionally, two second fresh air outlets are arranged;
and the two second fresh air outlets are respectively arranged on two opposite sides of the outdoor fan.
Optionally, a second air valve communicated with the first air flow channel is further arranged on the box body, and the second air valve is connected with a second air valve actuator used for controlling the opening degree of the second air valve;
and the air outlet of the second air valve is positioned between the heat exchanger and the outdoor fan.
Optionally, an air filter screen is further disposed in the first air flow passage, and the air filter screen is disposed between the fresh air inlet and the heat exchanger.
Optionally, a spraying device is further arranged in the first air flow channel, the spraying device is arranged between the heat exchanger and the outdoor fan, and the spraying device is located right above the heat exchanger;
the spraying device is connected with a water pump.
Optionally, a third air valve communicated with the first air flow channel is further arranged on the box body, and the third air valve is connected with a third air valve actuator for controlling the opening degree of the third air valve;
and the air inlet of the third air valve is communicated with the air outlet end of the outdoor fan, and the third air valve is arranged on the side plate of the box body.
Optionally, the box body is further provided with an indoor air return inlet and an indoor air supply outlet, and a second airflow channel is formed between the indoor air return inlet and the indoor air supply outlet;
an evaporator and an indoor fan are further arranged in the second airflow channel, and indoor airflow can flow sequentially along the directions of the indoor air return inlet, the heat exchanger, the evaporator, the indoor fan and the indoor air supply outlet.
Optionally, the indoor return air inlet is provided with a first temperature and humidity sensor, and the outdoor fan and the indoor fan are respectively and electrically connected with the first temperature and humidity sensor.
Optionally, the fresh air inlet is provided with a second temperature and humidity sensor, and the outdoor fan and the indoor fan are respectively and electrically connected with the second temperature and humidity sensor.
Compared with the prior art, the utility model discloses following beneficial effect has:
in this embodiment, the circulation in-process of new trend need not through the condenser, and the windage in the first airflow channel is littleer relatively to effectively be favorable to promoting the volume of the new trend through the heat exchanger, make the heat transfer effect of heat exchanger better, be favorable to promoting the energy-conserving effect of energy-saving indirect evaporation air conditioning unit.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
The structure, proportion, size and so on shown in the drawings of the present specification are only used to cooperate with the content disclosed in the specification for the understanding and reading of the people skilled in the art, and are not used to limit the limit conditions of the present invention, so that the present invention does not have the essential significance in the technology, and the modification of any structure, the change of the proportion relation or the adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention.
Fig. 1 is a sectional view of an energy-saving indirect evaporation air conditioning unit provided by an embodiment of the present invention;
fig. 2 is a schematic view of the flow directions of the outdoor fresh air and the indoor return air of the energy-saving indirect evaporative air conditioning unit provided by the embodiment of the invention;
fig. 3 is a schematic diagram illustrating the outdoor fresh air flowing through the condenser according to the embodiment of the present invention;
fig. 4 is a schematic view of the flow direction of the outdoor fresh air and the indoor return air in another mode provided by the embodiment of the present invention.
Illustration of the drawings: 1. a box body; 101. a fresh air inlet; 102. a first fresh air outlet; 103. a second fresh air outlet; 111. an indoor return air inlet; 112. an indoor air supply outlet; 2. an outdoor fan; 3. a heat exchanger; 4. a first air valve; 5. a U-shaped condenser; 6. a second air valve; 7. an air filter screen; 8. a spraying device; 9. a third air valve; 10. an evaporator; 11. indoor fan.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in 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. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
An embodiment of the utility model provides an energy-saving indirect evaporation air conditioning unit is favorable to promoting energy-conserving effect.
Referring to fig. 1 to 4, the energy-saving indirect evaporation air conditioning unit includes a box 1, an outdoor fan 2, and a heat exchanger 3 installed in the box 1; wherein, the heat exchanger 3 is an air-air heat exchanger, and the heat exchanger 3 in the embodiment is prismatic.
A fresh air inlet 101 and a first fresh air outlet 102 are arranged on the box body 1 at intervals, a first air flow channel is formed between the fresh air inlet 101 and the first fresh air outlet 102, outdoor fresh air energy enters the first air flow channel from the fresh air inlet 101 and can be discharged from the first fresh air outlet 102, and the outdoor fresh air can pass through the heat exchanger 3 to exchange heat with indoor return air.
The heat exchanger 3 and the outdoor fan 2 are both positioned in the first air flow channel, and the heat exchanger 3 and the outdoor fan 2 are sequentially arranged along the flow direction of the air flow; the first air flow passage is not provided with a condenser.
In this embodiment, under at least one mode, outdoor new trend flows and need not to pass through the condenser to make the resistance that outdoor new trend received in first airflow channel littleer, make the airflow flow who flows through heat exchanger 3 in the unit interval bigger, it is better to the heat transfer effect of indoor return air, thereby be favorable to promoting energy-conserving effect. It needs to be supplemented that the indoor return air also flows through the heat exchanger 3 and completes indirect heat exchange with the outdoor fresh air.
Optionally, a second fresh air outlet 103 is further arranged on the box body 1, and the second fresh air outlet 103 is communicated with the first air flow channel; the first fresh air outlet 102 is provided with a first air valve 4, and the first air valve 4 is connected with a first air valve actuator for controlling the opening of the first air valve; the first damper actuator can be controlled to be in a closed state or an open state by controlling the first damper 4 so that the air flow cannot flow out or can flow out.
A U-shaped condenser 5 is arranged between the second fresh air outlet 103 and the first fresh air outlet 102, and when the first air valve 4 is closed, air flow in the first air flow channel can flow through the U-shaped condenser 5 and be discharged from the second fresh air outlet 103. It should be added that, when the air flow passes through the U-shaped condenser 5, the opening of the U-shaped condenser 5 faces in the direction opposite to the flowing direction of the air flow, so as to improve the heat exchange effect of the U-shaped condenser 5 on the air flow.
It should be noted that the first air valve 4 can be closed by the first air valve actuator, so that all the outdoor fresh air passing through the heat exchanger 3 sequentially passes through the U-shaped condenser 5 and then flows out from the second fresh air outlet 103. At the moment, all the air flow in the first air flow channel flows through the U-shaped condenser 5, so that the refrigerating capacity of the energy-saving indirect evaporation air conditioning unit in the mechanical refrigeration mode is improved, and the heat exchange efficiency is higher. The first air valve 4 can be opened through the first air valve actuator, so that most of outdoor fresh air passing through the heat exchanger 3 flows out from the first fresh air outlet 102 through the outdoor fan 2, and meanwhile, a small part of outdoor fresh air can also flow out from the second fresh air outlet 103 after passing through the U-shaped condenser 5. At the moment, because the area of the air outlet is increased, the air resistance borne by the airflow is effectively reduced, the heat exchange quantity of the energy-saving indirect evaporation air conditioning unit in a non-mechanical refrigeration mode is favorably improved, and the energy is saved.
It should be noted that, when the energy-saving indirect evaporation air conditioning unit is in the non-mechanical refrigeration mode, the first air valve 4 is opened and the third air valve 9 is kept in the opened state, at this time, the air resistance in the first air flow channel is small, the number of the outdoor fans 2 which are opened can be reduced, the same heat exchange effect can be achieved, and finally, the energy-saving effect can be achieved; under the mechanical refrigeration mode, close first blast gate 4, heat exchange efficiency is higher, can satisfy actual refrigeration needs through the flow of control refrigerant. It should be noted that the U-shaped condenser 5 having the same area has a smaller wind resistance than the flat plate condenser.
Optionally, two second fresh air outlets 103 are provided, and the two second fresh air outlets 103 are respectively provided on two opposite sides of the outdoor fan 2, so that when the first air valve 4 is closed, more air flows in the first air flow channel can pass through the U-shaped condenser 5.
Optionally, a second air valve 6 communicated with the first air flow channel is further arranged on the box body 1, and the second air valve 6 is connected with a second air valve actuator for controlling the opening degree of the second air valve 6; the air outlet of the second air valve 6 is positioned between the heat exchanger 3 and the outdoor fan 2. The second air valve 6 is used for supplementing outside fresh air to the first air flow channel, so that air flow with lower temperature passes through the U-shaped condenser 5, and the heat exchange effect of the U-shaped condenser 5 is enhanced. It should be further explained that, at this time, the air volume of the fresh air entering from the fresh air inlet 101 is reduced, that is, the air volume flowing through the heat exchanger 3 is reduced, which results in the reduction of the heat exchange effect of the heat exchanger 3, so that the purpose of further increasing the overall refrigerating capacity of the unit can be achieved by increasing the flow of the refrigerant. At this time, more fresh air is introduced through the second air valve 6 to increase the heat exchange amount of the U-shaped condenser 5.
It should be further added that in the mechanical cooling mode, the second air valve 6 is kept open.
Optionally, an air filter 7 is further disposed in the first air flow passage, and the air filter 7 is disposed between the fresh air inlet 101 and the heat exchanger 3.
Specifically, impurities and dust in the air are filtered by the air filter 7, and excessive impurities and dust are prevented from entering the case 1.
Optionally, a spraying device 8 is further arranged in the first air flow channel, the spraying device 8 is arranged between the heat exchanger 3 and the outdoor fan 2, and the spraying device 8 is located right above the heat exchanger 3; the spraying device 8 is connected with a water pump.
Specifically, when the maximum cold compensation capacity of the compressor cannot meet the indoor load, the water pump can be started, and the spraying device 8 sprays cold water to the heat exchanger 3 so as to improve the evaporation heat exchange effect of the heat exchanger 3.
Optionally, a third air valve 9 communicated with the first air flow channel is further arranged on the box body 1, and the third air valve 9 is connected with a third air valve actuator for controlling the opening degree of the third air valve 9; an air inlet of the third air valve 9 is communicated with an air outlet end of the outdoor fan 2, the third air valve 9 is positioned on a side plate of the box body, the side plate is perpendicular to a top plate provided with the outdoor fan, and the third air valve 9 is arranged on the end face of the unit; the third air valve 9 is arranged, so that the side plate of the box body 1 can also discharge air flow in the first air flow channel, thereby effectively reducing air flow resistance in the first air flow channel in the non-mechanical refrigeration mode and being beneficial to energy conservation and emission reduction. Preferably, the third air damper 9 and the second air damper 6 are disposed on different side plates (for example, the third air damper 9 may be disposed on a side plate of the end face, or may be a side plate adjacent to the end face side plate), and it should be noted that the air guiding sheet of any air damper is disposed obliquely upward. Preferably, the third air valve 9 and the second air valve 6 are respectively arranged on two opposite side plates, so that short circuit of air flow can be effectively avoided, and the overall heat exchange energy efficiency of the unit is improved.
In a specific embodiment, the outdoor fan 2 may be a centrifugal fan, and the centrifugal fan axially supplies air and circumferentially discharges air; the centrifugal fan has large air quantity and is convenient to maintain, and the requirements of the energy-saving indirect evaporation air conditioning unit can be better matched.
Optionally, the box body 1 is further provided with an indoor air return opening 111 and an indoor air supply opening 112, and a second air flow channel is formed between the indoor air return opening 111 and the indoor air supply opening 112; the evaporator 10 and the indoor fan 11 are further arranged in the second airflow channel, and the indoor airflow can flow in sequence along the directions of the indoor air return opening 111, the heat exchanger 3, the evaporator 10, the indoor fan 11 and the indoor air supply opening 112.
It should be added that the heat exchanger 3 is provided with a plurality of first through holes arranged in parallel, and the first through holes form a part of the first air flow channel; the heat exchanger 3 is also provided with a plurality of second through holes which are arranged in parallel, the second through holes form a part of a second airflow channel, and the first through holes and the second through holes are not communicated with each other. Outdoor new trend flows through first through-hole, and indoor return air flows through the second through-hole to accomplish indirect heat transfer.
Optionally, the indoor return air inlet 111 is provided with a first temperature and humidity sensor, and the outdoor fan 2 and the indoor fan 11 are electrically connected to the first temperature and humidity sensor, respectively. The outdoor fan 2 and the indoor fan 11 can adjust the rotating speed according to the temperature and humidity detected by the first temperature and humidity sensor.
Optionally, the fresh air inlet 101 is provided with a second temperature and humidity sensor; the outdoor fan 2 and the indoor fan 11 are respectively electrically connected with the second temperature and humidity sensor. The outdoor fan 2 and the indoor fan 11 can adjust the rotation speed according to the temperature and humidity detected by the second temperature and humidity sensor.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. An energy-saving indirect evaporation air conditioning unit is characterized by comprising a box body (1), an outdoor fan (2) and a heat exchanger (3) arranged in the box body (1);
a fresh air inlet (101) and a first fresh air outlet (102) are arranged on the box body (1) at intervals, and a first air flow channel is formed between the fresh air inlet (101) and the first fresh air outlet (102);
the heat exchanger (3) and the outdoor fan (2) are both positioned in the first air flow channel, and the heat exchanger (3) and the outdoor fan (2) are sequentially arranged along the flow direction of the air flow;
the first air flow channel is not provided with a condenser.
2. The energy-saving indirect evaporation air conditioning unit according to claim 1, wherein a second fresh air outlet (103) is further disposed on the box body (1), and the second fresh air outlet (103) is communicated with the first air flow channel;
a first air valve (4) is installed at the first fresh air outlet (102), and the first air valve (4) is connected with a first air valve actuator for controlling the opening of the first air valve (4);
a U-shaped condenser (5) is arranged between the second fresh air outlet (103) and the first fresh air outlet (102);
when the first air valve (4) is closed, airflow in the first air flow channel flows through the U-shaped condenser (5) and is discharged from the second fresh air outlet (103).
3. The energy-saving indirect evaporative air conditioning unit as recited in claim 2, wherein there are two second fresh air outlets (103);
the two second fresh air outlets (103) are respectively arranged on two opposite sides of the outdoor fan (2).
4. The energy-saving indirect evaporation air conditioning unit according to claim 2, wherein a second air valve (6) communicated with the first air flow passage is further arranged on the box body (1), and a second air valve actuator for controlling the opening degree of the second air valve (6) is connected to the second air valve (6); and the air outlet of the second air valve (6) is positioned between the heat exchanger (3) and the outdoor fan (2).
5. The energy-saving indirect evaporation air conditioning unit according to claim 1, wherein an air filter (7) is further disposed in the first air flow channel, and the air filter (7) is disposed between the fresh air inlet (101) and the heat exchanger (3).
6. The energy-saving indirect evaporative air conditioning unit as recited in claim 1, wherein a spraying device (8) is further disposed in the first air flow passage, the spraying device (8) is disposed between the heat exchanger (3) and the outdoor fan (2), and the spraying device (8) is located right above the heat exchanger (3);
the spraying device (8) is connected with a water pump.
7. The energy-saving indirect evaporation air conditioning unit according to claim 1, wherein a third air valve (9) communicated with the first air flow passage is further arranged on the box body (1), and a third air valve actuator used for controlling the opening degree of the third air valve (9) is connected to the third air valve (9);
and an air inlet of the third air valve (9) is communicated with an air outlet end of the outdoor fan (2), and the third air valve (9) is arranged on a side plate of the box body (1).
8. The energy-saving indirect evaporative air conditioning unit as recited in claim 1, wherein the cabinet (1) is further provided with an indoor air return opening (111) and an indoor air supply opening (112), and a second air flow channel is formed between the indoor air return opening (111) and the indoor air supply opening (112);
an evaporator (10) and an indoor fan (11) are further arranged in the second airflow channel, and indoor airflow can flow sequentially along the directions of the indoor air return opening (111), the heat exchanger (3), the evaporator (10), the indoor fan (11) and the indoor air supply opening (112).
9. The energy-saving indirect evaporative air conditioning unit as recited in claim 8, wherein the indoor return air inlet (111) is provided with a first temperature and humidity sensor, and the outdoor fan (2) and the indoor fan (11) are respectively electrically connected with the first temperature and humidity sensor.
10. The energy-saving indirect evaporation air conditioning unit according to claim 8, wherein the fresh air inlet (101) is provided with a second temperature and humidity sensor, and the outdoor fan (2) and the indoor fan (11) are respectively and electrically connected with the second temperature and humidity sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222125396.5U CN218455260U (en) | 2022-08-12 | 2022-08-12 | Energy-saving indirect evaporation air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222125396.5U CN218455260U (en) | 2022-08-12 | 2022-08-12 | Energy-saving indirect evaporation air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218455260U true CN218455260U (en) | 2023-02-07 |
Family
ID=85123570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222125396.5U Active CN218455260U (en) | 2022-08-12 | 2022-08-12 | Energy-saving indirect evaporation air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218455260U (en) |
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2022
- 2022-08-12 CN CN202222125396.5U patent/CN218455260U/en active Active
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