CN203404853U - Air processing unit - Google Patents
Air processing unit Download PDFInfo
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- CN203404853U CN203404853U CN201320472497.8U CN201320472497U CN203404853U CN 203404853 U CN203404853 U CN 203404853U CN 201320472497 U CN201320472497 U CN 201320472497U CN 203404853 U CN203404853 U CN 203404853U
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Abstract
The utility model discloses an air processing unit. The air processing unit comprises a compressor, an outdoor unit coil pipe connected with the compressor, a plurality of indoor unit coil pipes and a plurality of four-way valves, wherein a first end of the outdoor unit coil pipe is connected with first ends of the indoor unit coil pipes, a second end of the outdoor unit coil pipe is connected with an air outlet of the compressor, and second ends of the indoor unit coil pipes are connected with the four-way valves respectively and are connected with the air outlet and an air return port of the compressor through the four-way valves. The air processing unit adopts the indoor unit coil pipes to adjust a strobe refrigerant circuit of the four-way valve, thereby achieving various air processing modes. Structural units of the unit are reduced, the structure is simple, occupied unit space is small, the structure is simpler, cost is saved, the controllability of the unit is high, heat can be recycled, and the energy-saving effect is obvious.
Description
Technical field
The utility model relates to air-treatment technical field, particularly air-treatment unit.
Background technology
Air-treatment unit can be according to different demands, to indoor environment freeze, heat, the several functions such as recuperation of heat, dehumidifying, constant temperature dehumidification processes, so that suitable, comfortable environment to be provided.But the function that existing air-treatment unit needs is more, the size of unit is larger, and windage is larger, and energy consumption is also larger, and cost is also relative increase.Simultaneously, while realizing difference in functionality due to unit, freeze and heat conventionally from different off-premises stations, for example, during refrigeration, adopt refrigeration system, while heating, adopt electrical heating, during recuperation of heat, adopt runner heat regenerator, during dehumidifying, adopt rotary dehumidifier, then regulate temperature by temperature control coil pipe, reach the leaving air temp of demand.Take recuperation of heat as example; traditional air-treatment unit as shown in Figure 1; comprise exhaust fan group 11 and breeze fan group 12; in order fully to reclaim heat; conventionally can match a recuperation of heat runner 13; return air is from indoor inflow; while arriving recuperation of heat runner 13; recuperation of heat runner 13 can absorb the heat of return air, and the return air after heat exchange is discharged by exhaust fan group 11, after mixing with new wind; again enter air-treatment unit; recuperation of heat runner 13 passes to mixed new wind by the heat of absorption, and by breeze fan group 12, is sent into indoorly, realizes recuperation of heat.Such set structure is complicated, and separate unit is many, and each component costs is high, and power demand is high, and power consumption is large, and each cellular installation space is large, is unfavorable for the miniaturization of air-treatment unit, and noise source is many, and controllability is bad.
Utility model content
Main purpose of the present utility model, for a kind of air-treatment unit is provided, only needs several cold and hot coil pipes can realize the refrigeration of several functions or heat, simple in structure, takies unit space little.
The utility model proposes a kind of air-treatment unit, comprise compressor, the off-premises station coil pipe being connected with described compressor, a plurality of indoor set coil pipe and a plurality of cross valve, the first end of described off-premises station coil pipe is connected with the first end of described a plurality of indoor set coil pipes, the second end of described off-premises station coil pipe is connected with the exhaust outlet of described compressor, the second end of described a plurality of indoor set coil pipes is connected with described a plurality of cross valves respectively, and is connected with gas returning port with the exhaust outlet of described compressor by the plurality of cross valve.
Preferably, described air-treatment unit, also comprise the triple valve being connected between described off-premises station coil pipe and described compressor, the first end of described triple valve connects the second end of described off-premises station coil pipe, the second end of described triple valve connects the exhaust outlet of described compressor, and the 3rd end of described triple valve connects the gas returning port of described compressor.
Preferably, during described triple valve power-off, the first end of described triple valve and the second end are communicated with; During described triple valve energising, the first end of described triple valve and the 3rd end are communicated with.
Preferably, described air-treatment unit also comprises a plurality of the first branch pipes that are connected between described exhaust outlet of compressor and a plurality of cross valve, the first end of described the first branch pipe connects the exhaust outlet of described compressor, and the second end of described the first branch pipe connects the first end of a road cross valve.
Preferably, described air-treatment unit also comprises a plurality of the second branch pipes that are connected between described compressor return air mouth and a plurality of cross valve, the first end of described the second branch pipe connects the gas returning port of described compressor, and the second end of described the second branch pipe connects the second end of a road cross valve.
Preferably, described air-treatment unit, also comprise a plurality of the 3rd branch pipes that are connected between described off-premises station coil pipe and a plurality of indoor set coil pipe, the first end of described the 3rd branch pipe connects the first end of described off-premises station coil pipe, and the second end of described the 3rd branch pipe connects the first end of a road indoor set coil pipe.
Preferably, under constant temperature dehumidification pattern or dehumidifying heating mode, comprise the first indoor set coil pipe of refrigeration, the second indoor set coil pipe, the first cross valve and the second cross valve heating, the second end of the first indoor set coil pipe is through the gas returning port of compressor described in the first cross valve gating, and the second end of the second indoor set coil pipe is through the exhaust outlet of compressor described in the second cross valve gating;
Refrigerant flows out through described exhaust outlet of compressor, flow to the second end of described the second indoor set coil pipe, through the first end of described the second indoor set coil pipe, flow to the first end of described the first indoor set coil pipe, through described first indoor set coil pipe the second end, flow back to described compressor return air mouth.
Preferably, under dehumidifying and cooling pattern, the 3rd indoor set coil pipe, the first cross valve, the second cross valve and the 3rd cross valve that comprise the first indoor set coil pipe of refrigeration, the second indoor set coil pipe heating, refrigeration, the second end of the first indoor set coil pipe is through the gas returning port of compressor described in the first cross valve gating, the second end of the second indoor set coil pipe is through the exhaust outlet of compressor described in the second cross valve gating, and the second end of the 3rd indoor set coil pipe is through the gas returning port of compressor described in the 3rd cross valve gating;
Refrigerant flows out through described exhaust outlet of compressor, one road flows to the second end of described the second indoor set coil pipe, through the first end of described the second indoor set coil pipe, flow to the first end of described the 3rd indoor set coil pipe, through described the 3rd indoor set coil pipe the second end, flow back to described compressor return air mouth; Another road flows to the second end of described off-premises station coil pipe, flows to the first end of described the first indoor set coil pipe through the first end of described off-premises station coil pipe, through described first indoor set coil pipe the second end, flows back to described compressor return air mouth.
Preferably, under degree of depth dehumidification mode, comprise the first indoor set coil pipe of refrigeration, the 3rd indoor set coil pipe of the second indoor set coil pipe of refrigeration, temperature adjustment, the first cross valve, the second cross valve and the 3rd cross valve, the second end of the first indoor set coil pipe is through the gas returning port of compressor described in the first cross valve gating, the second end of the second indoor set coil pipe is through the gas returning port of compressor described in the second cross valve gating, and the second end of the 3rd indoor set coil pipe is through the exhaust outlet of compressor described in the 3rd cross valve gating;
During refrigerant cooling, refrigerant flows out through described exhaust outlet of compressor, one tunnel flows into through the second end of described the 3rd indoor set coil pipe, first end through described the 3rd indoor set coil pipe flows out, another road flows into through the second end of described off-premises station coil pipe, first end through described off-premises station coil pipe flows out, and in the pipeline of the refrigerant after two-way cooling between the first end of described the 3rd indoor set coil pipe and the first end of described off-premises station coil pipe, gathers; When refrigerant heats up, refrigerant after gathering, one tunnel flows into through the first end of described the second indoor set coil pipe, through described second indoor set coil pipe the second end, flow back to described compressor return air mouth, another road flows into through the first end of described the first indoor set coil pipe, through described first indoor set coil pipe the second end, flows back to described compressor return air mouth.
The utility model adopts a plurality of indoor set coil pipes, regulate the gating refrigerant loop of cross valve, can realize multiple air-treatment pattern, reduce the construction unit of unit, simple in structure, take unit space few, structure is simpler, is conducive to cost-savingly, and controllability of units is higher, and heat is recyclable, energy-saving effect is obvious.
Accompanying drawing explanation
Fig. 1 is the structural representation of air-treatment unit in prior art;
Fig. 2 is the refrigerant loop schematic diagram of air-treatment unit in the utility model embodiment;
Fig. 3 is the schematic diagram that the utility model air-treatment unit carries out the first embodiment of air-treatment;
Fig. 4 is the schematic diagram that the utility model air-treatment unit carries out the second embodiment of air-treatment;
Fig. 5 is the overall structure schematic diagram that in the utility model embodiment, the recuperation of heat of air-treatment unit is processed.
The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 2, Fig. 2 is the refrigerant loop schematic diagram of air-treatment unit in the utility model embodiment.The air-treatment unit that the present embodiment proposes, comprise compressor 210, the off-premises station coil pipe 220 being connected with compressor 210, a plurality of indoor set coil pipe 230 and a plurality of cross valve 240, the first end of off-premises station coil pipe 220 is connected with the first end of a plurality of indoor set coil pipes 230, the second end of off-premises station coil pipe 220 is connected with the exhaust outlet a of compressor 210, on the pipeline of the first end of indoor set coil pipe 230, be also connected with bidirectional electronic expansion valve 251, bidirectional electronic expansion valve 251 can adopt check valve realization in parallel with heating power expansion valve.The second end of a plurality of indoor set coil pipes 230 is connected with a plurality of cross valves 240 respectively, and is connected with gas returning port b with the exhaust outlet a of compressor 210 by the plurality of cross valve 240.Yi Yi road is example, the second end of an indoor set coil pipe 230 is through exhaust outlet a or the gas returning port b of a cross valve 240 gating compressors 210, can pass through the control of cross valve 240, select the second end of indoor set coil pipe 230 communicate with the exhaust outlet a of compressor 210 or communicate with the gas returning port b of compressor 210, when the second end of indoor set coil pipe 230 and the exhaust outlet a of compressor 210 communicate, refrigerant in compressor 210 is after exhaust outlet a flows out, flow into indoor set coil pipe 230, when the second end of indoor set coil pipe 230 and the gas returning port b of compressor 210 communicate, refrigerant in indoor set coil pipe 230 flows into the gas returning port b of compressor 210 from the second end of indoor set coil pipe 230, get back to compressor 210.The present embodiment, by regulating cross valve 240, comes gating and the loop that the second end of indoor set coil pipe 230 is connected, and realizes the control that refrigerant flows to.
The air-treatment unit of the present embodiment also comprises the triple valve 260 being connected between off-premises station coil pipe 220 and compressor 210, the second end of the outer coiler 220 of first end junction chamber of triple valve 260, the second end of triple valve 260 connects the exhaust outlet a of compressor 210, and the 3rd end of triple valve 260 connects the gas returning port b of compressor 210.During triple valve 260 power-off, the first end of triple valve 260 and the second end are communicated with; During triple valve 260 energising, the first end of triple valve 260 and the 3rd end are communicated with.
Air-treatment unit also comprises a plurality of the first branch pipes 271 that are connected between compressor 210 exhaust outlet a and a plurality of cross valve 240, the first end of the first branch pipe 271 connects the exhaust outlet a of compressor 210, in also can being connected between the exhaust outlet a of the first end of the first branch pipe 271 and compressor 210, the second end of pressure cutoff valve 252, the first branch pipes 271 connects the first end of a road cross valve 240; Also comprise a plurality of the second branch pipes 272 that are connected between compressor 210 gas returning port b and a plurality of cross valve 240, the first end of the second branch pipe 272 connects the gas returning port b of compressor 210, second end that also can be connected low-pressure shutoff valve 253, the second branch pipes 272 between the gas returning port b of the first end of the second branch pipe 272 and compressor 210 connects the second end of a road cross valve 240; Also comprise a plurality of the 3rd branch pipes 273 that are connected between off-premises station coil pipe 220 and a plurality of indoor set coil pipe 230, the first end of the outer coiler 220 of first end junction chamber of the 3rd branch pipe 273, the second end of the 3rd branch pipe 273 connects the first end of a road indoor set coil pipe 230.In addition, also can be between the first end of the 3rd branch pipe 273 and the first end of off-premises station coil pipe 220 connected electromagnetic valve 254 and middle pressure cutoff valve 255.
In the present embodiment, adopt the converter 241 that includes cross valve 240, can, by regulating cross valve 240 gating first ends or the second end, realize the gating of pipeline.When refrigerant flows out from compressor 210, be high temperature refrigerant, flow through after first indoor set coil pipe 230, refrigerant heat release cooling, when after second indoor set coil pipe 230, refrigerant heat absorption heats up, by that analogy.Also adopted triple valve 260, while flowing through by regulating three-way valve 260 gating refrigerants, the stream of off-premises station coil pipe 220 moves towards.Concrete mode of operation can be with reference to Fig. 3 and embodiment illustrated in fig. 4.
As shown in Figure 3, Fig. 3 is the schematic diagram that the utility model air-treatment unit carries out the first embodiment of air-treatment.Please with reference to Fig. 2, under constant temperature dehumidification pattern or dehumidifying heating mode, comprise the first indoor set coil pipe 231 of refrigeration, the second indoor set coil pipe 232, the first cross valve (not shown) and the second cross valve (not shown) heating, the second end of the first indoor set coil pipe 231 is (not shown through the first cross valve gating compressor, can be with reference to Fig. 2) gas returning port, the second end of the second indoor set coil pipe 232 is through the exhaust outlet of the second cross valve gating compressor.Refrigerant flows out through compressor exhaust outlet a, for high temperature refrigerant, flow to the second end of the second indoor set coil pipe 232, enter after the second indoor set coil pipe 232, refrigerant heat release is lowered the temperature, and flows to the first end of the first indoor set coil pipe 231 through the first end of the second indoor set coil pipe 232, enter after the first indoor set coil pipe 231, refrigerant heat absorption heats up, and through the first indoor set coil pipe 231 second ends, flows back to compressor return air mouth b, gets back to compressor.
Now, humid air arrives the first indoor set coil pipe 231 surfaces through filter, the temperature of humid air is absorbed by the refrigerant in the first indoor set coil pipe 231, after cooling, separate out moisture, the moisture of separating out is discharged by drip tray, air after cool-down dehumidification now temperature is lower, for its temperature is risen to room temperature, air is sent to the second indoor set coil pipe 232 surfaces, refrigerant in the second indoor set coil pipe 232 is to air heat release, atmosphere temperature rising, obtains warm dry air, reaches the effect of constant temperature dehumidification.
As shown in Figure 4, Fig. 4 is the schematic diagram that the utility model air-treatment unit carries out the second embodiment of air-treatment.Please with reference to Fig. 2, under dehumidifying and cooling pattern, the the first indoor set coil pipe 231 that comprises refrigeration, the the second indoor set coil pipe 232 heating, the 3rd indoor set coil pipe 233 of refrigeration, the first cross valve (not shown), the second cross valve (not shown) and the 3rd cross valve (not shown), the second end of the first indoor set coil pipe 231 is (not shown through the first cross valve gating compressor, can be with reference to Fig. 2) gas returning port, the second end of the second indoor set coil pipe 232 is through the exhaust outlet of the second cross valve gating compressor, the second end of the 3rd indoor set coil pipe 233 is through the gas returning port of the 3rd cross valve gating compressor.Refrigerant flows out through compressor exhaust outlet a, for high temperature refrigerant, one road flows to the second end of the second indoor set coil pipe 232, enter after the second indoor set coil pipe 232, refrigerant heat release is lowered the temperature, and flows to the first end of the 3rd indoor set coil pipe 233 through the first end of the second indoor set coil pipe 232, enter after the 3rd indoor set coil pipe 233, refrigerant heat absorption heats up, and through the 3rd indoor set coil pipe 233 second ends, flows back to compressor return air mouth b, gets back to compressor; It is (not shown that another road flows to off-premises station coil pipe, can be with reference to Fig. 2) the second end, enter after off-premises station coil pipe, refrigerant heat release cooling, through the first end of off-premises station coil pipe, flow to the first end of the first indoor set coil pipe 231, enter after the first indoor set coil pipe 231, refrigerant heat absorption heats up, through the first indoor set coil pipe 231 second ends, flow back to compressor return air mouth b, get back to compressor.
Now, humid air arrives the first indoor set coil pipe 231 surfaces through filter, the temperature of humid air is absorbed by the refrigerant in the first indoor set coil pipe 231, after cooling, separate out moisture, the moisture of separating out is discharged by drip tray, air after cool-down dehumidification now temperature is lower, for its temperature is risen to room temperature, air is sent to the second indoor set coil pipe 232 surfaces, refrigerant in the second indoor set coil pipe 232 is to air heat release, atmosphere temperature rising, obtain warm dry air, in order to reach the effect of cooling, dry air is sent to the 3rd indoor set coil pipe 233 surfaces, refrigerant in the 3rd indoor set coil pipe 233 absorbs heat to air, air themperature reduces, obtain dry cold air, reach the effect of dehumidifying and cooling.
In addition, in the present embodiment, under degree of depth dehumidification mode, comprise the first indoor set coil pipe 231 of refrigeration, the second indoor set coil pipe 232 of refrigeration, the 3rd indoor set coil pipe 233, the first cross valve, the second cross valve and the 3rd cross valve of temperature adjustment, the second end of the first indoor set coil pipe 231 is through the gas returning port of the first cross valve gating compressor, the second end of the second indoor set coil pipe 232 is through the gas returning port of the second cross valve gating compressor, and the second end of the 3rd indoor set coil pipe 233 is through the exhaust outlet of the 3rd cross valve gating compressor.When refrigerant is lowered the temperature, refrigerant flows out through compressor exhaust outlet a, for high temperature refrigerant, one road flows to the second end of the 3rd indoor set coil pipe 233, enter after the 3rd indoor set coil pipe 233, refrigerant heat release cooling, first end through the 3rd indoor set coil pipe 233 flows out, another road flows to the second end of off-premises station coil pipe, enter after off-premises station coil pipe, refrigerant heat release cooling, the first end outflow through off-premises station coil pipe, gathers in the pipeline of the refrigerant after cooling between the first end of the 3rd indoor set coil pipe 233 and the first end of off-premises station coil pipe.When refrigerant heats up, according to the degree of the first indoor set coil pipe 231 and the second indoor set coil pipe 232 actual needs refrigeration, distribute refrigerant, now, refrigerant after gathering, one road flows to the first end of the second indoor set coil pipe 232, enters after the second indoor set coil pipe 232, and refrigerant heat absorption heats up, through the second indoor set coil pipe 232 second ends, flow back to compressor return air mouth b, get back to compressor; Another road flows to the first end of the first indoor set coil pipe 231, enters after the first indoor set coil pipe 231, and refrigerant heat absorption heats up, and through the first indoor set coil pipe 231 second ends, flows back to compressor return air mouth b, gets back to compressor.
Now, humid air arrives the first indoor set coil pipe 231 surfaces through filter, the temperature of humid air is absorbed by the refrigerant in the first indoor set coil pipe 231, after cooling, separate out moisture, the moisture of separating out is discharged by drip tray, in order to make air drier, air is sent to the second indoor set coil pipe 232 surfaces, refrigerant in the second indoor set coil pipe 232 absorbs heat to air, air cooling-down, moisture is further separated out and is discharged through drip tray, obtain dry air more, air after cool-down dehumidification now temperature is lower, for its temperature is risen to room temperature, dry air is sent to the 3rd indoor set coil pipe 233 surfaces, refrigerant in the 3rd indoor set coil pipe 233 is to air heat release, air cooling-down, obtain dry warm air, reach the effect of degree of depth dehumidifying.
Above-mentioned Fig. 2, to described air-treatment unit embodiment illustrated in fig. 4, adopts off-premises station coil pipe 220 and a plurality of indoor set coil pipe 230, regulates the gating of cross valve 240, can realize multiple air-treatment pattern, reduced the construction unit of unit, simple in structure, take unit space few.Refrigerant circulates in each indoor set coil pipe 230, is conducive to realize the recovery of energy, and energy-saving effect is obvious.In addition, if caloric receptivity equate with thermal discharge, can not use coiler 230 in off-premises station coil pipe 220，Jin opening chamber, structure is simpler, is conducive to cost-savingly, controllability of units is higher.
As shown in Figure 5, Fig. 5 is the overall structure schematic diagram that in the utility model embodiment, the recuperation of heat of air-treatment unit is processed, comprise the exhaust fan group 31 being positioned on off-premises station and be positioned at the breeze fan group 32 on indoor set, also comprise the off-premises station coil pipe 33 being arranged in off-premises station and be arranged on the indoor set coil pipe 34 in indoor set.Return air is from indoor inflow, arrive outdoor condenser, off-premises station coil pipe 33 heat exchange with condenser, return air after heat exchange is discharged by exhaust fan group 31, after mixing, again enters air-treatment unit with new wind, off-premises station coil pipe 33 passes to indoor set coil pipe 34 by the heat of absorption, indoor set coil pipe 34 and mixed new air heat-exchange, and by breeze fan group 32, sent into indoorly, realize recuperation of heat.Air-treatment unit in the present embodiment, has reduced conventional air and has processed the recuperation of heat runner in unit, utilizes off-premises station coil pipe 33 to realize the function of recuperation of heat, is conducive to reduce costs and energy consumption, and energy-saving effect is more obvious.
The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (9)
1. an air-treatment unit, it is characterized in that, comprise compressor, the off-premises station coil pipe being connected with described compressor, a plurality of indoor set coil pipe and a plurality of cross valve, the first end of described off-premises station coil pipe is connected with the first end of described a plurality of indoor set coil pipes, the second end of described off-premises station coil pipe is connected with the exhaust outlet of described compressor, the second end of described a plurality of indoor set coil pipes is connected with described a plurality of cross valves respectively, and is connected with gas returning port with the exhaust outlet of described compressor by the plurality of cross valve.
2. air-treatment unit according to claim 1, it is characterized in that, also comprise the triple valve being connected between described off-premises station coil pipe and described compressor, the first end of described triple valve connects the second end of described off-premises station coil pipe, the second end of described triple valve connects the exhaust outlet of described compressor, and the 3rd end of described triple valve connects the gas returning port of described compressor.
3. air-treatment unit according to claim 2, is characterized in that, during described triple valve power-off, the first end of described triple valve and the second end are communicated with; During described triple valve energising, the first end of described triple valve and the 3rd end are communicated with.
4. according to the air-treatment unit described in claims 1 to 3 any one, it is characterized in that, also comprise a plurality of the first branch pipes that are connected between described exhaust outlet of compressor and a plurality of cross valve, the first end of described the first branch pipe connects the exhaust outlet of described compressor, and the second end of described the first branch pipe connects the first end of a road cross valve.
5. according to the air-treatment unit described in claims 1 to 3 any one, it is characterized in that, also comprise a plurality of the second branch pipes that are connected between described compressor return air mouth and a plurality of cross valve, the first end of described the second branch pipe connects the gas returning port of described compressor, and the second end of described the second branch pipe connects the second end of a road cross valve.
6. according to the air-treatment unit described in claims 1 to 3 any one, it is characterized in that, also comprise a plurality of the 3rd branch pipes that are connected between described off-premises station coil pipe and a plurality of indoor set coil pipe, the first end of described the 3rd branch pipe connects the first end of described off-premises station coil pipe, and the second end of described the 3rd branch pipe connects the first end of a road indoor set coil pipe.
7. air-treatment unit according to claim 1, it is characterized in that, under constant temperature dehumidification pattern or dehumidifying heating mode, comprise the first indoor set coil pipe of refrigeration, the second indoor set coil pipe, the first cross valve and the second cross valve heating, the second end of the first indoor set coil pipe is through the gas returning port of compressor described in the first cross valve gating, and the second end of the second indoor set coil pipe is through the exhaust outlet of compressor described in the second cross valve gating;
Refrigerant flows out through described exhaust outlet of compressor, flow to the second end of described the second indoor set coil pipe, through the first end of described the second indoor set coil pipe, flow to the first end of described the first indoor set coil pipe, through described first indoor set coil pipe the second end, flow back to described compressor return air mouth.
8. air-treatment unit according to claim 2, it is characterized in that, under dehumidifying and cooling pattern, the 3rd indoor set coil pipe, the first cross valve, the second cross valve and the 3rd cross valve that comprise the first indoor set coil pipe of refrigeration, the second indoor set coil pipe heating, refrigeration, the second end of the first indoor set coil pipe is through the gas returning port of compressor described in the first cross valve gating, the second end of the second indoor set coil pipe is through the exhaust outlet of compressor described in the second cross valve gating, and the second end of the 3rd indoor set coil pipe is through the gas returning port of compressor described in the 3rd cross valve gating;
Refrigerant flows out through described exhaust outlet of compressor, one road flows to the second end of described the second indoor set coil pipe, through the first end of described the second indoor set coil pipe, flow to the first end of described the 3rd indoor set coil pipe, through described the 3rd indoor set coil pipe the second end, flow back to described compressor return air mouth; Another road flows to the second end of described off-premises station coil pipe, flows to the first end of described the first indoor set coil pipe through the first end of described off-premises station coil pipe, through described first indoor set coil pipe the second end, flows back to described compressor return air mouth.
9. air-treatment unit according to claim 2, it is characterized in that, under degree of depth dehumidification mode, comprise the first indoor set coil pipe of refrigeration, the 3rd indoor set coil pipe of the second indoor set coil pipe of refrigeration, temperature adjustment, the first cross valve, the second cross valve and the 3rd cross valve, the second end of the first indoor set coil pipe is through the gas returning port of compressor described in the first cross valve gating, the second end of the second indoor set coil pipe is through the gas returning port of compressor described in the second cross valve gating, and the second end of the 3rd indoor set coil pipe is through the exhaust outlet of compressor described in the 3rd cross valve gating;
During refrigerant cooling, refrigerant flows out through described exhaust outlet of compressor, one tunnel flows into through the second end of described the 3rd indoor set coil pipe, first end through described the 3rd indoor set coil pipe flows out, another road flows into through the second end of described off-premises station coil pipe, first end through described off-premises station coil pipe flows out, and in the pipeline of the refrigerant after two-way cooling between the first end of described the 3rd indoor set coil pipe and the first end of described off-premises station coil pipe, gathers; When refrigerant heats up, refrigerant after gathering, one tunnel flows into through the first end of described the second indoor set coil pipe, through described second indoor set coil pipe the second end, flow back to described compressor return air mouth, another road flows into through the first end of described the first indoor set coil pipe, through described first indoor set coil pipe the second end, flows back to described compressor return air mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320472497.8U CN203404853U (en) | 2013-08-02 | 2013-08-02 | Air processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320472497.8U CN203404853U (en) | 2013-08-02 | 2013-08-02 | Air processing unit |
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| CN203404853U true CN203404853U (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320472497.8U Expired - Fee Related CN203404853U (en) | 2013-08-02 | 2013-08-02 | Air processing unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705593A (en) * | 2017-01-13 | 2017-05-24 | 华北电力大学（保定） | Electric heating drying machine with heat recycling device |
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2013
- 2013-08-02 CN CN201320472497.8U patent/CN203404853U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106705593A (en) * | 2017-01-13 | 2017-05-24 | 华北电力大学（保定） | Electric heating drying machine with heat recycling device |
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