CN210425326U - Energy-saving air handling unit with cooling coil pipes and heating coil pipes connected in parallel - Google Patents
Energy-saving air handling unit with cooling coil pipes and heating coil pipes connected in parallel Download PDFInfo
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- CN210425326U CN210425326U CN201920903701.4U CN201920903701U CN210425326U CN 210425326 U CN210425326 U CN 210425326U CN 201920903701 U CN201920903701 U CN 201920903701U CN 210425326 U CN210425326 U CN 210425326U
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Abstract
The utility model discloses an energy-saving air treatment unit of cooling coil heating coil parallel belongs to air handler technical field. The method comprises the following steps: air conditioner room, fan and unit box, the fan with the unit box sets up in the air conditioner room, the supply-air outlet has been seted up to one side of air conditioner room, wherein the one end of fan is stretched out the supply-air outlet, the other end of fan with unit box intercommunication, the opposite side of air conditioner room is provided with fresh air inlet and return air entry, just the lateral wall of unit box is provided with heating subassembly, fresh air subassembly, refrigeration subassembly and anion generating device, wherein heating subassembly with still be provided with the humidifier between the unit box. The utility model provides a pair of energy-saving air handling unit of cooling coil heating coil parallel can open the blast gate that corresponds as required, makes the air pass through the subassembly that corresponds alone to reduce the inside air resistance of unit, reduce fan conveying power, reduce the energy consumption.
Description
Technical Field
The utility model relates to an air handler technical field specifically relates to an energy-saving air handling unit of cooling coil heating coil parallel.
Background
In a traditional double-coil four-pipe air handling unit, a cooling coil, a heating coil, a humidifier, a filter and a fan are accommodated in a box body, and the box body is connected with an air pipe, a water system pipe and the like installed in an air conditioner room. The water reaching the required temperature is sent to a cooling coil or a heating coil through a water system; the motor drives the fan to suck air (fresh air OA and/or return air RA) into the box body, the air is filtered by the filter, the temperature of the air is adjusted by the cooling coil and/or the heating coil, the air is humidified by the humidifier, and the air is supplied to an area needing temperature adjustment (air supply SA) through the air pipe.
Along with the increasing of the utilization rate of the building area of buildings (office buildings, business buildings and hotels), the area of an air conditioner room for placing an air treatment unit is continuously reduced. For example, the cases of installing the air treatment units at the tail end of a building corridor or at the wall between corridor columns are gradually increased, and the traditional air treatment units have large floor area and cannot effectively save land resources; meanwhile, with the improvement of air quality requirements, the air handling unit is required to have more and more complex functions. For example, air handling units have included functions such as fresh and return air mixing, multi-stage filters, cooling coils, heating coils, humidifiers, and the like, making it difficult to achieve sufficient miniaturization.
In general, in a reconstruction project, due to the increase of fresh air demand, an air handling unit is necessary to handle more indoor load than when a building is completed. In this case, the air volume of the newly installed air handling unit needs to be larger than the air volume of the set at the completion time. However, the area of the air conditioner room is not changed, and the external dimension of the air handling unit is also not changed. The air resistance in the unit is increased due to the increase of the air quantity, and the energy consumption is increased, so that energy is not saved.
In addition, the cooling coil and the heating coil of the air handling unit are configured in series, in most cases, only the cooling coil (or the heating coil) needs to be supplied with water (when cooling in summer, cold water is supplied to the cooling coil, or when heating in winter, hot water is supplied to the heating coil), or the cooling coil and the heating coil are not supplied with water (when fresh air is supplied in transition seasons), but the power of the fan motor is still consumed by the resistance of air flowing through the coil which is not supplied with water. For example: in summer, the heating coil pipe is in a non-working state; supplying heat in winter, wherein the cooling coil is in a non-working state; when fresh air is ventilated in a transition season, the heating coil and the cooling coil are in a non-operating state, but because resistance is generated when air flows through the coils, the power of a fan motor is still consumed.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the cooling coil and heating coil parallel type energy-saving air handling unit is provided, a refrigerating assembly, a heating assembly and a fresh air assembly are arranged in parallel, air circulation is controlled by adjusting air valves of the units, air does not flow through assemblies which are not needed in refrigerating/heating, air resistance in the units can be reduced, power transmitted by a fan is reduced, and energy is saved.
The specific technical scheme is as follows:
the utility model provides an among energy-saving air handling unit of cooling coil heating coil parallel, including air conditioner room, fan and unit box set up in air conditioner room, the supply-air outlet has been seted up to one side of air conditioner room, wherein the supply-air outlet is stretched out to the one end of fan, the other end and the unit box intercommunication of fan, a serial communication port, air conditioner room's opposite side is provided with new trend entry and return air entry, and the lateral wall of unit box is provided with the subassembly that heats, new trend subassembly, refrigeration subassembly and anion generating device, wherein still be provided with the humidifier between subassembly and the unit box heats.
In the energy-saving air handling unit with the cooling coil and the heating coil in parallel connection, the heating assembly further has the characteristic that the heating assembly comprises a first filter, a heating coil and a first air valve, the heating coil is arranged between the first filter and the first air valve, the first air valve is close to the unit box body, the first filter is close to the inner side of the air conditioner room, and circulating hot water is communicated in the heating coil.
The energy-saving air handling unit with the cooling coil and the heating coil in parallel connection is further characterized in that the refrigerating assembly comprises a second filter, a cooling coil and a second air valve, the cooling coil is arranged between the second filter and the second air valve, the second air valve is close to the unit box body, the second filter is close to the inner side of the air conditioner room, and circulating cold water is communicated with the cooling coil.
In the energy-saving air handling unit with the cooling coil and the heating coil in parallel connection, the fresh air component comprises a third filter and a third air valve, the third air valve is close to the unit box body, and the third filter is close to the inner side of the air conditioner room.
In the energy-saving air handling unit with the cooling coil and the heating coil in parallel connection, the negative ion generating assembly comprises a negative ion generating device and a fourth air valve, wherein the fourth air valve is close to the unit box body, and the negative ion generating device is close to the inner side of the air conditioner room.
In the energy-saving air handling unit with the cooling coil and the heating coil in parallel connection, the refrigerating assembly, the heating assembly, the fresh air assembly and the negative ion generating device are communicated with the unit box body in parallel connection.
In the energy-saving air handling unit with the cooling coil and the heating coil in parallel connection, the side wall of the unit box body is divided into at least four mounting surfaces, and the refrigerating assembly, the heating assembly, the fresh air assembly and the negative ion generating device are independently mounted on the four mounting surfaces respectively.
The energy-saving air handling unit with the cooling coil and the heating coil in parallel connection is further characterized in that the refrigerating component and the heating component are respectively arranged on two oppositely arranged installation surfaces, and the fresh air component and the negative ion generating component are respectively arranged on the other two oppositely arranged installation surfaces.
The energy-saving air handling unit with the cooling coil and the heating coil in parallel connection is further characterized by further comprising a baffle, the cross section of the baffle is cross-shaped, the unit box body is divided into four parts by the baffle, and the first air valve, the second air valve, the third air valve and the fourth air valve are respectively located in one part of the unit box body.
In the energy-saving air handling unit with the cooling coil and the heating coil in parallel connection, the lower end face of the baffle is connected with the bottom in the unit box body, and the height of the baffle is smaller than that of the unit box body.
The positive effects of the technical scheme are as follows:
the utility model provides a cooling coil heating coil parallel energy-saving air handling unit, through adjusting the ventilation valve control air circulation of each unit, the air does not flow through the subassembly that does not need when refrigeration/heating, can reduce the unit internal air resistance, reduces the conveying power of fan to realize the saving of the energy; in addition, the refrigerating component, the heating component, the fresh air component and the negative ion generating device are arranged on the outer side of the unit box body, and an air conditioner room is fully utilized as a return air static pressure box, so that the air handling unit is more compact in structure, smaller in occupied area and miniaturized; and adopt the cross baffle to separate refrigeration subassembly, heating subassembly, new trend subassembly and anion generating device, arouse the torrent when preventing a plurality of subassemblies to open to cause work difficulty and noise too big.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of an energy-saving air handling unit with parallel cooling coils and heating coils according to the present invention;
fig. 2 is a schematic structural diagram of a unit box in an embodiment of the energy-saving air handling unit with parallel cooling coils and heating coils of the present invention.
In the drawings: 1. a fan; 4. a unit box body; 5. an air conditioner room; 6. an air supply outlet; 7a, a fresh air inlet; 7b, a return air inlet; 9. a humidifier; 10. a heating assembly; 10a, a first filter; 10b, a heating coil; 10c, a first air valve; 11. a refrigeration assembly; 11a and a second filter; 11b, a cooling coil; 11c, a second air valve; 12. a fresh air component; 12a, a third filter; 12b, a third air valve; 13. a negative ion generating assembly; 14. and a baffle plate.
Detailed Description
In order to make the technical means, creation characteristics, achievement purpose and efficiency of the utility model easy to understand, the following embodiment combines with the attached drawings 1 and 2 to be right the utility model provides an energy-saving air handling unit with cooling coil and heating coil in parallel.
Fig. 1 is a schematic structural diagram of an embodiment of an energy-saving air handling unit with parallel cooling coils and heating coils according to the present invention; fig. 2 is the structural schematic diagram of the unit box in the embodiment of the energy-saving air handling unit with parallel cooling coils and heating coils of the utility model, in this embodiment, this energy-saving air handling unit with parallel cooling coils and heating coils mainly includes fan 1, unit box 4, air conditioner room 5, supply-air outlet 6, fresh air inlet 7a, return air inlet 7b, humidifier 9, heating component 10, filter one 10a, heating coil 10b, air valve one 10c, refrigeration component 11, filter two 11a, cooling coil 11b, air valve two 11c, fresh air component 12, filter three 12a, air valve three 12b, anion generation component 13, baffle 14.
A cooling coil pipe heating coil pipe parallel connection type energy-saving air processing unit, a fan 1 and a unit box body 4 are arranged in an air conditioner room 5, one side of the air conditioner room 5 is provided with an air supply outlet 6, the air supply outlet 6 is communicated with the indoor through a pipeline, one end of the fan 1 extends out of the air supply outlet 6, the other end of the fan 1 is communicated with the unit box body 4, air is cooled or heated or only filtered through the outer side of the unit box body 4 and then is sent out of the air supply outlet 6 through the fan 1, the other side of the air conditioner room 5 is provided with a fresh air inlet 7a and a return air inlet 7b, the fresh air inlet 7a is communicated with the outdoor, the return air inlet 7b is communicated with the indoor, the side wall of the unit box body 4 is provided with a heating component 10, a fresh air component 12, a negative ion generating component 13 and a cooling component 11, the heating component 10 is used for heating air entering from the fresh air inlet or the, fresh air component 12 inputs fresh air to the indoor through a fresh air inlet, negative ion generating component 13 is used for providing air containing negative ions to the indoor, and humidifier 9 is arranged between heating component 10 and unit box 4 to increase the humidity of the heated air.
In a preferred embodiment, as shown in fig. 1 and 2, the heating assembly 10 comprises a first filter 10a, a heating coil 10b and a first air valve 10c, wherein the heating coil 10b is arranged between the first filter 10a and the first air valve 10c, the first air valve 10c is close to the unit box 4, and the first filter 10a is close to the inner side of the air conditioner room 5. After heating is started, the first air valve 10c is opened, air entering from the fresh air inlet 7a and the return air inlet 7b is filtered by the first filter 10a, is heated by the heating coil 10b and finally enters the unit box body 4 through the first air valve 10 c; after the heating is closed, the first air valve 10c is closed, and air cannot enter the unit box 4 from the heating assembly 10. Circulating hot water is connected to the heating coil 10 b. The circulating hot water is communicated with an electric heating wire (not shown in the figure) which is arranged in the air conditioner room 5, and the circulating hot water is heated by the electric heating wire and then flows back to the heating coil 10b for heating air.
In a preferred embodiment, as shown in fig. 1 and 2, the refrigeration assembly 11 includes a second filter 11a, a second cooling coil 11b and a second air valve 11c, the second cooling coil 11b is disposed between the second filter 11a and the second air valve 11c, the second air valve 11c is close to the unit box 4, and the second filter 11a is close to the inner side of the air conditioner room 5. After refrigeration is started, the second air valve 11c is opened, air entering from the fresh air inlet 7a and the return air inlet 7b is filtered by the second filter 11a, is heated by the cooling coil 11b and finally enters the unit box body 4 through the second air valve 11 c; after the refrigeration is closed, the second air valve 11c is closed, and the air cannot enter the unit box 4 from the refrigeration component 11. Circulating cold water is communicated with the cooling coil 11 b. The circulating cold water is communicated with an evaporator (not shown in the figure) of a heat pump unit, the heat pump unit is arranged outside the air conditioner room 5, and the circulating cold water is cooled by the evaporator and then flows back to the cooling coil 11b again for cooling air.
In a preferred embodiment, as shown in fig. 1 and 2, the fresh air component 12 comprises a filter three 12a and an air valve three 12b, wherein the air valve three 12b is close to the unit box 4, and the filter three 12a is close to the inner side of the air conditioner room 5. After the fresh air starts to work, the air valve III 12b is opened, and air entering from the fresh air inlet 7a enters the unit box body 4 after passing through the filter III 12 b.
In a preferred embodiment, as shown in fig. 1 and 2, the negative ion generating assembly 13 includes a negative ion generating device and a fourth air valve, the fourth air valve is close to the unit box 4, the negative ion generating device is close to the inner side of the air conditioner room 5, after the negative ion generating operation is started, the fourth air valve is opened, and the air entering from the fresh air inlet 7a enters the unit box 4 after passing through the negative ion generating device.
In a preferred embodiment, as shown in fig. 1 and 2, the cooling module 11, the heating module 10, the fresh air module 12, and the anion generating device 13 are connected in parallel with the unit box 4, so that air can independently enter from the first air valve 10c, the second air valve 11c, the third air valve 12b, or the fourth air valve without passing through all the modules all the time, thereby reducing air intake resistance.
In a preferred embodiment, as shown in fig. 1 and 2, the side wall of the unit case 4 is divided into at least four mounting surfaces, and the cooling module 11, the heating module 10, the fresh air module 12 and the negative ion generating device 13 are independently mounted on four of the mounting surfaces.
In a preferred embodiment, as shown in fig. 1 and 2, the cooling module 11 and the heating module 10 are respectively installed on two oppositely-arranged installation surfaces, and the fresh air module 12 and the negative ion generating module 13 are respectively installed on the other two oppositely-arranged installation surfaces.
In a preferred embodiment, as shown in fig. 1 and 2, the air conditioner further comprises a baffle 14, the cross section of the baffle 14 is cross-shaped, the baffle 14 divides the unit box 4 into four parts, and the first air valve 10c, the second air valve 11c, the third air valve 12b and the fourth air valve are respectively located in one of the parts of the unit box 4, so that air sucked when the plurality of air valves are opened is prevented from generating turbulence in the unit box 4, and normal operation of the unit box 4 is prevented from being affected.
In a preferred embodiment, as shown in fig. 1 and 2, the lower end surface of the baffle plate 14 is connected with the bottom inside the unit box 4, the height of the baffle plate 14 is smaller than that of the unit box 4, and the air entering from each air valve is finally gathered at the top of the unit box 4, so that the air entering from each air valve is uniformly mixed while the normal operation of the unit box is ensured.
In the following description, a specific embodiment is described, and it should be noted that the structures, processes and materials described in the following embodiment are only used to illustrate the feasibility of the embodiment, and are not intended to limit the scope of the present invention.
In the energy-saving air handling unit with the cooling coil and the heating coil connected in parallel, a refrigerating component 11, a heating component 10, a fresh air component 12 and a negative ion generating component 13 are respectively arranged at the outer side of a unit box body 4 in a parallel connection state. The refrigerating assembly 11 and the heating assembly 10 are arranged on two opposite sides of the unit box 4 in parallel and independently, and the fresh air assembly 12 and the negative ion generating assembly 13 are arranged on the other two opposite sides of the unit box 4 in parallel and independently.
The fresh air OA and/or the return air RA are driven by the fan 1, guided into the air-conditioning room 5 through the fresh air inlet 7a and/or the return air inlet 7b, and then respectively enter the unit box 4 through the refrigeration component 11, the heating component 10, the fresh air component 12 and the anion generation component 13.
Under the state that the refrigerating assembly 11, the heating assembly 10, the fresh air assembly 12 and the negative ion generating assembly 13 are not accommodated in the unit box body 4, all the assemblies are arranged on the outer side of the unit box body 4 accommodating the fan 1, so that the miniaturization of the air processing unit is realized.
During cooling, the first damper 10c and the third damper 12b are closed, the heating coil 10b is stopped from being supplied with water, the second damper 11c of the cooling unit 11 is opened, and the cooling coil 11b is started to be supplied with water. Only air is caused to flow through the refrigeration assembly 11 and water is supplied to the cooling coil 11 b. Thereby, the air is filtered by the second filter 11a, cooled by the cooling coil 11b, and sent from the unit case 4 to the air conditioning room through the air outlet 6 by driving the fan 1;
during heating, the second damper 11c and the third damper 12b are closed, the cooling coil 11b is stopped from being supplied with water, the first damper 10c of the heating unit 10 is opened, and the heating coil 10b is started to be supplied with water. Only air is made to flow through the heating assembly 10 and water is supplied to the heating coil 10 b. Accordingly, the air is filtered by the first filter 10a, heated by the heating coil 10b, and sent to the air conditioning room from the unit case 4 through the air outlet 6 under the driving of the fan 1;
when fresh air is ventilated in a transition season, the first air valve 10c and the second air valve 11c are closed, the third air valve 12b of the fresh air component 12 and/or the negative ion generating component 13 are opened, and air flows through the fresh air component 12 and/or the negative ion generating component 13 to supply air;
when the refrigeration and reheating are carried out under the condition of low load and high humidity, the second air valve 11c of the refrigeration assembly 11 is opened, so that the refrigeration assembly 11 carries out low-temperature dehumidification control through air, and the first air valve 10c of the heating assembly 10 is partially opened, so that the air flows through the heating assembly 10, the temperature of dry balls is increased, and medium-temperature air supply is carried out; when the refrigeration is carried out without reheating, the first air valve 10c of the heating component 10 and the third air valve 12b of the fresh air component 12 are closed, the second air valve 11c of the refrigeration component 11 is opened, and only air flows through the refrigeration component 11 to supply air;
when cooling is performed under the condition of low load and low humidity, the first damper 10c of the heating unit 10 is closed, and the water passage through the heating coil 10b is stopped. And opening a second air valve 11c of the refrigerating assembly 11 and a third air valve 12b of the fresh air assembly 12, enabling the cooling coil 11b to start to supply water, and enabling air to flow through the refrigerating assembly 11 and the fresh air assembly 12 to supply air.
Air treatment of the present applicationThe specific size of the machine set is 2300mm in width, 3112mm in height, 1060mm in length and 6.53m in volume3The floor area is 2.44 square meters; the specific size of present unit, the width is 1610mm, and the height is 1331mm, and length is 3810mm, and the volume is 8.16m3, and area is 6.13 square meters, and the air treatment unit of this application compares present unit volume and has reduced 20%, and area has reduced 60%, has realized the miniaturization of unit.
The air inlet quantity of a single air valve of the first air valve, the second air valve and the third air valve is 9000m3When the air handling unit is in a cooling mode, the air valve II is opened, the air valve III is closed, the total static pressure is 817Pa, the shaft power of the fan is 2.23Kw and accounts for 75% of the maximum shaft power of the fan, when the air handling unit is in a heating mode, the air valve II is opened, the air valve I and the air valve III are closed, the total static pressure is 964Pa, the shaft power of the fan is 3.74Kw and accounts for 86% of the maximum shaft power of the fan, and when the air handling unit is in a fresh air mode, the air valve III is opened, the air valve I and the air valve II are closed, the total static pressure is 586Pa, the shaft power of the fan is 2.4Kw and accounts for 55% of the maximum shaft power of the fan. When the common unit is in any one of the modes of heat supply, cold supply and fresh air, the total static pressure is 1120Pa, the shaft power of the fan is 4.35Kw, and the shaft power accounts for 100 percent of the maximum shaft power of the fan, so the air handling unit can reduce the air supply resistance in the running process of the motor of the fan so as to reduce the shaft power and realize energy conservation.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (10)
1. The utility model provides an energy-saving air handling unit of cooling coil heating coil parallel, includes air conditioner room, fan and unit box, the fan with the unit box sets up in the air conditioner room, the supply-air outlet has been seted up to one side of air conditioner room, wherein the one end of fan is stretched out the supply-air outlet, the other end of fan with unit box intercommunication, its characterized in that, air conditioner room's opposite side is provided with new trend entry and return air entry, just the lateral wall of unit box is provided with heating subassembly, new trend subassembly, refrigeration subassembly and anion and takes place the subassembly, wherein heating the subassembly with still be provided with the humidifier between the unit box.
2. The parallel cooling coil heating coil energy-saving air handling unit of claim 1, wherein the heating assembly comprises a first filter, a heating coil and a first damper, the heating coil is disposed between the first filter and the first damper, the first damper is close to the unit box, the first filter is close to the inner side of the air conditioner room, and circulating hot water is communicated in the heating coil.
3. The parallel cooling coil heating coil energy-saving air handling unit according to claim 1, wherein the refrigeration assembly comprises a second filter, a second cooling coil and a second air valve, the second cooling coil is disposed between the second filter and the second air valve, the second air valve is close to the unit box, the second filter is close to the inner side of the air conditioner room, and circulating cold water is communicated with the second cooling coil.
4. The parallel cooling coil heating coil energy-saving air handling unit of claim 1, wherein the fresh air component comprises a third filter and a third air valve, the third air valve is close to the unit box, and the third filter is close to the inner side of the air conditioner room.
5. The parallel cooling coil heating coil energy-saving air handling unit of claim 1, wherein the anion generating assembly comprises an anion generator and a fourth air valve, the fourth air valve is close to the unit box, and the anion generator is close to the inner side of the air conditioner room.
6. The parallel energy-saving air handling unit with cooling coils and heating coils according to claim 1, wherein the refrigeration assembly, the heating assembly, the fresh air assembly, the negative ion generation assembly and the unit box are communicated in parallel.
7. The parallel energy-saving air handling unit with cooling coils and heating coils according to claim 6, wherein the side wall of the unit box body is divided into at least four mounting surfaces, and the refrigeration assembly, the heating assembly, the fresh air assembly and the negative ion generation assembly are respectively and independently mounted on the four mounting surfaces.
8. The parallel cooling coil heating coil energy-saving air handling unit of claim 7, wherein the cooling module and the heating module are mounted on two opposite mounting surfaces, respectively, and wherein the fresh air module and the anion generating module are mounted on the other two opposite mounting surfaces, respectively.
9. The parallel energy-saving air handling unit of claim 1, further comprising a baffle having a cross-shaped cross-section, wherein the baffle divides the unit housing into four sections, and the first air valve, the second air valve, the third air valve, and the fourth air valve are respectively located in one of the sections of the unit housing.
10. The parallel cooling coil heating coil energy-saving air handling unit of claim 9, wherein the lower end of the baffle is connected to the bottom of the unit housing, and the height of the baffle is less than the height of the unit housing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920903701.4U CN210425326U (en) | 2019-06-17 | 2019-06-17 | Energy-saving air handling unit with cooling coil pipes and heating coil pipes connected in parallel |
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| CN201920903701.4U CN210425326U (en) | 2019-06-17 | 2019-06-17 | Energy-saving air handling unit with cooling coil pipes and heating coil pipes connected in parallel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118395A (en) * | 2019-06-17 | 2019-08-13 | 上海新晃空调设备股份有限公司 | A kind of parallel energy-saving air handling unit group of cooling coil heating coil |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110118395A (en) * | 2019-06-17 | 2019-08-13 | 上海新晃空调设备股份有限公司 | A kind of parallel energy-saving air handling unit group of cooling coil heating coil |
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