Energy-saving air handling unit

Abstract

The utility model provides an energy-saving type air handling unit which comprises an air inlet section, an air mixing section, a heating and cooling section, an air supply section, an air exhaust section, an air exhaust channel section, a compressor case, a condensation section and a power distribution and control box, and the air inlet section, the air mixing section, the heating and cooling section and the air supply section are sequentially arranged in the air inlet airflow direction. An air exhaust section and an air exhaust channel section are arranged on the left side of the air inlet section in the air inlet airflow direction, the air exhaust channel section abuts against the air mixing section, a compressor case, a condensation section and a power distribution and control box are sequentially arranged on the same side of the air exhaust section, the air exhaust channel section, the air mixing section, the heating and cooling section and the air supply section, the compressor case abuts against the air exhaust section, and the power distribution and control box abuts against the air supply section. The air inlet section and the air exhaust channel section are both communicated with the air mixing section. According to the air handling unit, the defects of a traditional air conditioning unit are overcome, beneficial conditions such as cooling capacity and heat in outdoor air can be utilized to the maximum extent, and operation in the most energy-saving mode is achieved.

Description

Technical Field

[0001] The utility model relates to the field of air treatment equipment, in particular to an energy-saving air handling unit, which has both ventilation and air-conditioning functions. Background Technique

[0002] According to the needs of production or life, it is often necessary to treat the ambient air in a space so that its internal temperature, humidity, and cleanliness meet the requirements. Currently, an air-conditioning unit is generally used to circulate and treat the room air. When cooling is required, a refrigerant is provided to the unit or prepared by the unit, and energy exchange is carried out with the air to cool the space. When heating is required, a heat medium is provided to the unit or prepared by the unit, and energy exchange is carried out with the air to heat the space. This form of air treatment cannot make the most of the cooling or heating capacity in outdoor air, that is, it does not reach the most energy-saving operation mode, and there is still great potential for energy saving.

[0003] Due to the structural form of traditional air-conditioning units and the boundary conditions between "usable" and "unusable" outdoor air, which are prone to adjustment errors, the cooling or heating capacity in outdoor air cannot be maximally utilized. Therefore, those skilled in the art have provided an energy-saving air handling unit to solve the problems raised in the above background technique. Content of the Utility Model

[0004] The utility model provides an energy-saving air handling unit, which changes the deficiencies of the above traditional air-conditioning units, enables the energy-saving air handling unit to have both ventilation and air-conditioning functions, can make the most of favorable conditions such as the cooling and heating capacity in outdoor air, and can operate in the most energy-saving mode.

[0005] To achieve the above objectives, the utility model is realized through the following technical solutions:

[0006] An energy-saving air handling unit includes an air inlet section, a mixing section, a heating and cooling section, a air supply section, an exhaust section, an exhaust passage section, a compressor box, a condensing section, a power distribution and control box. Along the air inlet flow direction, there are successively an air inlet section, a mixing section, a heating and cooling section, and an air supply section. On the left side of the air inlet section along the air inlet flow direction are the exhaust section and the exhaust passage section. The exhaust passage section is close to the mixing section. On the same side of the exhaust section, the exhaust passage section, the mixing section, the heating and cooling section, and the air supply section, there are successively arranged a compressor box, a condensing section, and a power distribution and control box. The compressor box is close to the exhaust section, and the power distribution and control box is close to the air supply section. Both the air inlet section and the exhaust passage section are connected to the mixing section. The above planar layout structure can be set as a whole mirror image.

[0007] Furthermore, the heating and cooling section is configured with a first water receiving tray.

[0008] Further, a demister and an air filter are sequentially arranged in the air inlet section along the air inlet flow direction, and the demister is configured with a second water receiving tray.

[0009] Further, a rain shield is arranged at the initial port in the air inlet flow direction.

[0010] Further, a cooling facility and a heating facility are sequentially arranged in the heating and cooling section along the air flow direction, and a bypass electric valve is arranged on the right side of the heating facility.

[0011] Further, an exhaust hood is arranged at the air outlet end of the exhaust duct section, and self-closing louvre air vents are respectively arranged around the exhaust hood.

[0012] Further, a mixing electric valve is arranged between the air mixing section and the exhaust duct section.

[0013] Further, at least one air supply fan is arranged in the air supply section, and at least one exhaust fan is arranged in the exhaust section.

[0014] Further, an electric air valve is arranged at the outlet or inlet of each air supply fan and exhaust fan, and the electric air valve is arranged inside or outside the unit box body.

[0015] Further, at least one compressor is arranged in the compressor box, and the condensation section is composed of a condenser and a condensation fan, and at least one set of the condenser and the condensation fan is arranged.

[0016] Operation instructions:

[0017] 1. When using outdoor air, the outdoor air passes through the rain shield, the air inlet section (sequentially passing through the demister and the air filter), the air mixing section, the heating and cooling section (at this time, the bypass electric valve is opened, and the cooling system and the heating system do not operate, and a part of the air passes through the cooling facility and the heating facility, and a part passes through the bypass electric valve), and then is sent into the room through the air supply section via the air duct. The indoor air passes through the air duct and is discharged to the outside through the exhaust section, the exhaust duct section (at this time, the mixing electric valve is closed), and the exhaust hood.

[0018] 2. When it is necessary to cool or heat the indoor air, the indoor air passes through the air duct and passes through the exhaust section, the exhaust duct section, the mixing electric valve, the air mixing section, the heating and cooling section (when refrigeration is required, the refrigeration system is turned on, and the cooling facility, the condensation fan, the condenser, and the compressor operate; when heating is required, the heating facility operates, and at this time, the bypass electric valve is closed, and the air does not pass through the channel of this bypass electric valve), and then is sent into the room through the air supply section via the air duct. Beneficial effects

[0019] The air handling unit of the present utility model changes the deficiencies of the above traditional air conditioning unit, can make the best use of favorable conditions such as the cold and heat in outdoor air to the greatest extent, and realizes operation in the most energy-saving mode. Description of the Drawings

[0020] Figure 1 This is the floor plan of the energy-saving air handling unit of the present utility model;

[0021] Figure 2 is Figure 1 the sectional view taken along line A-A of;

[0022] Figure 3 is Figure 1 the side view seen from direction B of;

[0023] Wherein, 10 is the air inlet section; 11 is the rain cover; 12 is the demister; 13 is the air filter; 14 is the second water receiving tray; 20 is the air mixing section; 21 is the air mixing electric valve; 30 is the heating and cooling section; 31 is the first water receiving tray; 32 is the cooling facility; 33 is the heating facility; 34 is the bypass electric valve; 40 is the air supply section; 41 is the air supply fan; 42 is the electric air valve; 50 is the exhaust section; 51 is the exhaust fan; 52 is the electric air valve; 60 is the exhaust passage section; 61 is the exhaust cap; 62 is the self-closing louver air outlet; 70 is the compressor box; 80 is the condensation section; 81 is the condenser; 82 is the condensation fan; 90 is the power distribution and control box. Detailed Embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model. Embodiment

[0025] As Figures 1-3As shown in the figure, the embodiment of the present utility model provides an energy-saving air handling unit, which includes an air inlet section 10, a mixing air section 20, a heating and cooling section 30, a air supply section 40, an exhaust section 50, an exhaust passage section 60, a compressor box 70, a condensation section 80, a power distribution and control box 90. The heating and cooling section 30 is configured with a first water receiving tray 31, and a rain shield 11 is provided at the initial port in the air inlet flow direction. The air inlet section 10 is sequentially provided with a demister 12 and an air filter 13 along the air inlet flow direction. The demister is configured with a second water receiving tray 14. Along the air inlet flow direction, there are sequentially the air inlet section 10, the mixing air section 20, the heating and cooling section 30, and the air supply section 40. On the left side of the air inlet section 10 are the exhaust section 50 and the exhaust passage section 60. The exhaust passage section 60 is close to the mixing air section 20. On the same side of the exhaust section 50, the exhaust passage section 60, the mixing air section 20, the heating and cooling section 30, and the air supply section 40, there are sequentially provided the compressor box 70, the condensation section 80, and the power distribution and control box 90. The compressor box 70 is close to the exhaust section 50, and the power distribution and control box 90 is close to the air supply section 40. Both the air inlet section 10 and the exhaust passage section 60 are connected to the mixing air section 20. The above-mentioned planar layout structure can be set as a whole mirror image. The heating and cooling section 30 is sequentially provided with a cooling facility 32 and a heating facility 33 along the air flow direction. On the right side of the heating facility 33 is a bypass electric valve 34.

[0026] Among them, as Figure 1 , 3 shown, an exhaust cap 61 is provided at the air outlet end of the exhaust passage section 60, and self-closing louver air vents 62 are respectively provided around the exhaust cap 61. A mixing air electric valve 21 is provided between the mixing air section 20 and the exhaust section 50.

[0027] As Figure 2 shown, two air supply fans 41 are provided in the air supply section 40, and two exhaust fans 51 are provided in the exhaust section 50. Of course, more than two air supply fans 41 and exhaust fans 51 can also be provided, not limited to two. An electric air valve 42 is provided at the outlet of the air supply fan 41, and an electric air valve 52 is provided at the inlet of the exhaust fan 52. The electric air valves 42 and 52 are provided outside the unit box body. Or they can also be provided inside the box body.

[0028] As Figure 3 shown, the condensation section 80 is composed of a condenser 81 and a condensation fan 82. Two sets of condensers 81 and condensation fans 82 are provided, and two compressors are provided in the compressor box 70. More than two can also be provided, not limited to two.

[0029] Operating condition description:

[0030] 1. When using outdoor air, as Figure 1As shown by the arrow, outdoor air passes through the rain shield 11, the demister 12 in the air intake section, the air filter 13, the air mixing section 20, and the heating and cooling section 30 (at this time, the bypass electric valve 34 is open, the cooling system and the heating system are not operating, and part of the air passes through the cooling facility 32 and the heating facility 33, and part passes through the bypass electric valve 34), and then is sent into the room through the air supply section 40 via the air duct. Indoor air passes through the air duct and is discharged to the outside through the exhaust section 50, the exhaust passage section 60 (at this time, the air mixing electric valve 21 is closed), and the exhaust cap 61.

[0031] 2. When it is necessary to cool or heat the indoor air, the indoor air passes through the air duct and through the exhaust section 50, the exhaust passage section 60, the air mixing electric valve 51, the air mixing section 20, and the heating and cooling section 30 (when cooling is required, the cooling system is turned on, and the cooling facility, the condensation fan, the condenser, and the compressor operate; when heating is required, the heating facility operates, and at this time, the bypass electric valve 34 is closed, and the air does not pass through the bypass electric valve 34), and then is sent into the room through the air supply section 40 via the air duct.

[0032] From the above two operating conditions, it can be seen that this air handling unit can adjust the operating conditions in real time according to the temperature or humidity changes of the outdoor air, make the most of the cooling or heating capacity of the outdoor air, reduce energy consumption, and truly achieve energy conservation.

[0033] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An energy-saving air handling unit, characterized in that: It includes an air intake section, an air mixing section, a heating and cooling section, an air supply section, an exhaust section, an exhaust duct section, a compressor box, a condensing section, and a power distribution and control box. Along the direction of the air flow, they are the air intake section, the air mixing section, the heating and cooling section, and the air supply section. Along the direction of the air flow, the exhaust section and the exhaust duct section are on the left side of the air intake section. The exhaust duct section is close to the air mixing section. On the same side of the exhaust section, the exhaust duct section, the air mixing section, the heating and cooling section, and the air supply section, the compressor box, condensing section, and power distribution and control box are arranged in sequence. The compressor box is close to the exhaust section, and the power distribution and control box is close to the air supply section. The air intake section and the exhaust duct section are both connected to the mixing air section.

2. The energy-saving air handling unit according to claim 1, characterized in that: The heating and cooling section is provided with cooling facilities and heating facilities in sequence along the air flow direction, and a bypass electric valve is provided on the right side of the heating facility.

3. The energy-saving air handling unit according to claim 1, characterized in that: An exhaust hood is arranged at the air outlet end of the exhaust channel section, and self-hanging louver air outlets are arranged around the exhaust hood.

4. The energy-saving air handling unit according to claim 1, characterized in that: The air inlet section is provided with a demister and an air filter in sequence along the air flow direction of the air inlet, and the demister is provided with a second water receiving tray.

5. The energy-saving air handling unit according to claim 1, characterized in that: The heating and cooling section is provided with a first water receiving tray.

6. The energy-saving air handling unit according to claim 1, characterized in that: A rain shield is provided at the initial port in the direction of the incoming air flow.

7. The energy-saving air handling unit according to claim 1, characterized in that: An air mixing electric valve is arranged between the air mixing section and the air exhaust channel section.

8. The energy-saving air handling unit according to claim 1, characterized in that: The air supply section is provided with at least one air supply fan, and the air exhaust section is provided with at least one exhaust fan.

9. The energy-saving air handling unit according to claim 8, characterized in that: The outlet or inlet of each air supply fan and exhaust fan is provided with an electric air valve, which is arranged inside the unit box or outside the unit box.

10. The energy-saving air handling unit according to claim 1, characterized in that: At least one compressor is arranged in the compressor box, and the condensing section is composed of a condenser and a condensing fan. The condenser and the condensing fan are arranged in at least one set.

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