CN213841170U - Fresh air handling unit for source humidity control - Google Patents
Fresh air handling unit for source humidity control Download PDFInfo
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- CN213841170U CN213841170U CN202023043641.5U CN202023043641U CN213841170U CN 213841170 U CN213841170 U CN 213841170U CN 202023043641 U CN202023043641 U CN 202023043641U CN 213841170 U CN213841170 U CN 213841170U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
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- Y02B10/40—Geothermal heat-pumps
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Abstract
The utility model belongs to a fresh air handling unit for humidifying, in particular to a fresh air handling unit for humidifying in the ground source, which comprises an air inlet, a filtering component, an evaporator, a reheating condenser, a humidifier, a sterilizing component, a fan and an air outlet which are arranged in sequence; the system comprises an evaporator, a four-way valve, a compressor and a buried pipe, wherein the evaporator, the four-way valve, the compressor and the buried pipe are connected through pipelines to form a loop; the utility model provides the high quality of new trend, the refrigerant in the unit system is directly carries out the heat transfer with the ground temperature position heat energy of earth's surface shallow layer, and holistic efficiency ratio is higher, and the heat that discharges to the environment still less, more environmental protection has promoted the reliability to the life-span of unit has been prolonged.
Description
Technical Field
The utility model belongs to a humidifying fresh air handling unit specifically is to involve a geographical humidifying fresh air handling unit.
Background
Along with the improvement of the living standard of people, the requirement of people on indoor air is higher and higher, most of humidity-adjusting fresh air fans existing in the market at present are air-cooled type, water-cooled type or double-cold-source type, the family-type water-cooled humidity-adjusting fresh air fan or double-cold-source humidity-adjusting fresh air fan is limited in installation mode, and the cold and heat source of the family-type water-cooled humidity-adjusting fresh air fan or double-cold-source humidity-adjusting fresh air fan is generally from an air-cooled heat pump. However, in the existing structure, heat or cold is directly exhausted in outdoor air, so an exhaust fan needs to be installed outdoors, the exhaust fan installed outdoors is affected by external factors greatly, and is prone to failure, and therefore the maintenance frequency is high.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a can purify the new trend, humidifying, adjust the temperature, disinfect and the high ground source humidifying fresh air handling unit of efficiency.
The utility model comprises an air inlet, a filtering component, an evaporator, a reheating condenser, a humidifier, a sterilizing component, a fan and an air outlet which are arranged in sequence; the system comprises an evaporator, a four-way valve, a compressor and a buried pipe, wherein the evaporator, the four-way valve, the compressor and the buried pipe are connected through pipelines to form a loop; the buried pipe is arranged underground, and the surface of the buried pipe is attached to underground soil.
Further, the buried pipe is U-shaped.
Still further, the buried pipe is provided with a plurality of, and a plurality of the buried pipes are arranged side by side.
Furthermore, the filtering component comprises a nylon filter screen, an initial filter screen, a middle filter screen and a high-efficiency filter screen which are arranged in sequence.
Furthermore, the sterilization component comprises an ultraviolet lamp and a photocatalyst filter screen which are arranged in sequence.
Further, the fan is a centrifugal fan.
Furthermore, a first check valve facing the buried pipe is arranged on the main expansion valve in parallel.
Furthermore, a second one-way valve facing the evaporator is arranged on the outdoor expansion valve in parallel.
Furthermore, an oil separator is arranged on a pipeline connecting the compressor and the four-way valve.
Furthermore, a gas-liquid separator is arranged on a pipeline connecting the compressor and the four-way valve.
The utility model has the advantages that:
(1) can purify, regulate humidity, regulate temperature and sterilize the fresh air, and improves the quality of the fresh air.
(2) The refrigerant in the unit system directly exchanges heat with the ground temperature position heat energy of the superficial layer of the ground surface, and does not need other heat transfer media or components to indirectly exchange heat, so that the energy consumption can be reduced, and the integral energy efficiency ratio is higher.
(3) The surface temperature is higher than the ambient air temperature in winter, and the surface temperature is lower than the ambient air temperature in summer, so that the circulating evaporation temperature is high in winter heating, and the condensing temperature of the dehumidification system is low in summer dehumidification, so that the energy efficiency of the unit is greatly improved, and the heat supply dehumidification operation cost can be saved by 30-40%.
(4) Indoor heat is discharged to the underground in summer, the underground heat is taken out for indoor use in winter, the heat discharged to the environment is less, and the indoor heat-collecting device is more environment-friendly compared with the prior art.
(5) Compared with an air-cooled humidity-adjusting fresh air unit, the air-cooled humidity-adjusting fresh air unit has the advantages that moving parts such as an outdoor exhaust fan are omitted, and cold or heat is not required to be discharged into outdoor air, so that the air-cooled humidity-adjusting fresh air unit can be installed indoors, maintenance is reduced, reliability is improved, and the service life of the unit is prolonged.
Drawings
Fig. 1 is a schematic view illustrating a dehumidifying principle according to an embodiment of the present invention.
Fig. 2 is a schematic view of the heating device according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a second embodiment of the present invention.
In the figure, 1-air intake; 2-a nylon filter screen; 3-primary effect filter screen; 4-medium effect filter screen; 5-high-efficiency filter screen; 6-an evaporator; 7-a reheat condenser; 8, a humidifier; 9-a sterilization component; 10-a fan; 11-an air outlet; 12-a reheat expansion valve; 13-a main expansion valve; 14-a four-way valve; 15-an oil separator; 16-a compressor; 17-a gas-liquid separator; 18-an outdoor expansion valve; 19-buried pipe.
Detailed Description
Example one
As shown in the attached drawings 1-2, the utility model comprises an air inlet 1, a filtering component, an evaporator 6, a reheating condenser 7, a humidifier 8, a sterilizing component 9, a fan 10 and an air outlet 11 which are arranged in sequence, wherein the filtering component is used for filtering fresh air to clean the fresh air; the evaporator 6 is used for releasing cold energy to cool and dehumidify the fresh air to a set moisture content in a dehumidification mode, and releasing heat to heat the fresh air in a heating mode; the reheating condenser 7 is used for heating the fresh air which is cooled and dehumidified by the evaporator 6 to a set air outlet temperature in a dehumidification mode; when humidifier 8 is used as the mode of heating, humidify the new trend to the moisture content setting value, the subassembly that disinfects is used for carrying out germicidal treatment to the new trend, and fan 10 is used for sending the new trend to the air outlet 11 side from air intake 1 side.
The utility model discloses still include cross valve 14, compressor 16 and buried pipe 19, form the return circuit through the tube coupling between evaporimeter 6, cross valve 14, compressor 16 and the buried pipe 19, reheat condenser 7 is parallelly connected with buried pipe 19 through the pipeline, be provided with reheat expansion valve 12, main expansion valve 13 and outdoor expansion valve 18 between evaporimeter 6 and the buried pipe 19; specifically, two ends of the compressor 16 are respectively connected with two interfaces of the four-way valve 14 through pipelines; one end of the evaporator 6 and one end of the buried pipe 19 are connected with one interface of the four-way valve 14 through a pipeline, and the other end of the buried pipe 19 is connected with the other end of the evaporator 6 through a pipeline; the reheat condenser 7 is connected with a buried pipe 19 in parallel through a pipeline, a reheat expansion valve 12, a main expansion valve 13 and an outdoor expansion valve 18 are arranged on the pipeline between the evaporator 6 and the buried pipe 19, wherein the reheat expansion valve 12 and the main expansion valve 13 are positioned on one side close to the evaporator 6, and the outdoor expansion valve 18 is positioned on one side close to the buried pipe 19. Among them, the reheat expansion valve 12, the main expansion valve 13, and the outdoor expansion valve 16 are preferably electronic expansion valves.
The buried pipe 19 is arranged underground, specifically in a shallow layer of the ground surface (within 60 meters below the ground surface), and the surface of the buried pipe 19 is attached to underground soil. In the first embodiment, the buried pipe 22 is preferably horizontally arranged at the shallow layer of the earth surface.
The utility model discloses still include control system, control system includes the controller and is connected temperature sensor, temperature and humidity sensor and the pressure sensor with the controller electricity, temperature sensor set up in between evaporimeter 6 and reheat condenser 7, temperature and humidity sensor sets up on air intake 1 and air outlet 11, pressure sensor sets up on compressor 16 suction and exhaust pipeline, the controller still with compressor 16, fan 10, reheat expansion valve 12, main expansion valve 13 and the 18 electric connection of outdoor expansion valve, control system realizes this fresh air handling unit's automatic operation.
The utility model discloses during the use, the new trend gets into the unit through air intake 1 inside, and filtering component filters the new trend. Then the new trend is through evaporimeter 6, and evaporimeter 6 effect does: the cold volume of release during the dehumidification mode cools off the dehumidification to setting for the moisture content to the new trend, releases heat heating new trend during the heating mode, and wherein the evaporimeter structure is the same on evaporimeter and the traditional air conditioner. Then the new trend is through reheat condenser 7, and reheat condenser 7 effect does: during the dehumidification mode, heat to setting for the air-out temperature for the new trend of cooling dehumidification behind evaporimeter 6, during the mode of heating, 7 branches of reheat condenser are closed, do not refrigerate or heat the processing to the new trend. Then, the fresh air passes through the humidifier 8, the humidifier 8 is closed in a dehumidification mode, and the humidifier is opened in a heating mode when the moisture content is lower than a set value, so that the moisture content of the fresh air is added to the set value. Then the new trend is through the subassembly that disinfects, and the subassembly that disinfects is used for carrying out sterilization treatment to the new trend that passes through. Finally, the fresh air is sent to the indoor through the fan 10.
The utility model discloses when dehumidification mode operation: the refrigerant moves in the direction indicated by the arrow, a low-pressure gaseous refrigerant is sucked into the compressor 16 and compressed into a high-temperature high-pressure gas refrigerant, and the high-temperature high-pressure gas refrigerant is divided into two paths after passing through the oil separator 15 and the four-way valve 14. One path flows to the buried pipe 19, and the high-temperature and high-pressure gas refrigerant radiates heat to the ground bottom in the buried pipe 19 and is gradually condensed into a high-pressure liquid refrigerant; the other path flows to a reheating condenser 7, radiates heat to the fresh air subjected to temperature reduction treatment by the evaporator 6, and is gradually condensed into a high-pressure liquid refrigerant. The high-pressure liquid refrigerant is depressurized by the main expansion valve 13 and the reheat expansion valve 12, and then becomes a low-temperature and low-pressure gas-liquid refrigerant mixture. The low-temperature low-pressure gas-liquid refrigerant mixture passes through the evaporator 6, absorbs the heat of the fresh air passing through the evaporator 6, and then is changed into a low-pressure gas refrigerant, and enters the compressor 16 again.
The utility model discloses when the heating mode operation: the refrigerant moves in the direction indicated by the arrow, a low-pressure gaseous refrigerant is sucked into the compressor 16 and compressed into a high-temperature high-pressure gas refrigerant, the high-temperature high-pressure gas refrigerant flows through the four-way valve 14 to the evaporator 6, and the high-temperature high-pressure gas refrigerant radiates heat to fresh air passing through the evaporator 6 and is gradually condensed into a high-pressure liquid refrigerant. The high-pressure liquid refrigerant is decompressed by the outdoor expansion valve 18 to become a low-temperature and low-pressure gas-liquid refrigerant mixture, the low-temperature and low-pressure gas-liquid refrigerant mixture flows to the buried pipe 19, the low-temperature and low-pressure gas-liquid refrigerant mixture absorbs heat of the ground bottom in the buried pipe 19 to become a low-pressure gas refrigerant, and then the low-pressure gas refrigerant reenters the compressor 16.
The utility model provides a water-cooled earth source humidifying fresh air handling unit can purify the new trend, humidifying, adjust the temperature, the processing of disinfecting, has improved the quality of new trend, can satisfy the ventilation requirement of summer new trend dehumidification, new trend heating humidification in winter and transition season, through setting up buried pipe 19, utilizes the secondary refrigerant indirect to the underground absorption or release heat, has following advantage: (1) the refrigerant in the unit system directly exchanges heat with the ground temperature position heat energy of the superficial layer of the ground surface, and does not need other heat transfer media or components to indirectly exchange heat, so that the energy consumption can be reduced, and the integral energy efficiency ratio is higher. (2) The temperature range of soil and water in the superficial layer of the earth surface in most areas of China is 10-22 ℃, the temperature of the superficial layer of the earth surface is higher than the temperature of ambient air in winter, and the temperature of the superficial layer of the earth surface is lower than the temperature of the ambient air in summer. Therefore, when heating is carried out in winter, the circulating evaporation temperature is high, and when dehumidifying is carried out in summer, the condensing temperature of the dehumidifying system is low, so that the energy efficiency of the unit is greatly improved, and the heat supply and dehumidification operation cost can be saved by 30-40%. (3) Indoor heat is discharged to the underground in summer, the underground heat is taken out for indoor use in winter, the heat discharged to the environment is less, and the indoor heat-collecting device is more environment-friendly compared with the prior art. (4) Compared with an air-cooled humidity-adjusting fresh air unit, the air-cooled humidity-adjusting fresh air unit has the advantages that moving parts such as an outdoor exhaust fan are omitted, and cold or heat is not required to be discharged into outdoor air, so that the air-cooled humidity-adjusting fresh air unit can be installed indoors, maintenance is reduced, reliability is improved, and the service life of the unit is prolonged.
The utility model discloses in, buried pipe 19 is the U-shaped, through setting up buried pipe 19 into the U-shaped for buried pipe 19's both ends set up side by side, and consequently compact structure nature is better, also is convenient for buried pipe 19 both ends and other parts connection in the unit.
The utility model discloses in, buried pipe 19 is provided with a plurality ofly, and is a plurality of buried pipe 19 sets up side by side, and through setting up a plurality of buried pipes 19, it is bigger with the area of contact of soil, and the refrigerant that can circulate is more, and the heat transfer effect is better.
The utility model discloses in, filter assembly is including the nylon filter screen 2 that sets gradually, just imitate filter screen 3, well imitate filter screen 4 and high-efficient filter screen 5, through setting up four layers of filter screens, can filter the new trend step by step, and new trend filter effect is better.
The utility model discloses in, the subassembly 9 that disinfects can carry out dual bactericidal treatment to the air of handling including the ultraviolet lamp and the photocatalyst filter screen that set gradually, through setting up ultraviolet lamp and photocatalyst filter screen, further improves the air quality.
The utility model discloses in, fan 10 is centrifugal fan, and the noise is little, and the energy consumption is low.
In the utility model, the main expansion valve 13 is selected from the outdoor expansion valve 18 for use, and in the dehumidification mode, the outdoor expansion valve 18 is closed, and the main expansion valve 13 works; in the heating mode, the main expansion valve 13 is closed, and the outdoor expansion valve 18 is operated. The main expansion valve 13 is provided with a first one-way valve facing the buried pipe 19 in parallel, and the outdoor expansion valve 18 is provided with a second one-way valve facing the evaporator 6 in parallel, so that the communication of the pipelines when the main expansion valve 13 and the outdoor expansion valve 18 are selected for use can be ensured.
The utility model discloses in, be provided with oil separator 15 on the pipeline that compressor 16 and cross valve 14 are connected for the oil in the separation refrigerant to guarantee that the unit moves safely high-efficiently. A gas-liquid separator 17 is provided on a pipeline connecting the compressor 16 and the four-way valve 14.
Example two
Second embodiment is based on the first embodiment, as shown in fig. 3, different from the first embodiment in which the buried pipe 22 is horizontally arranged at the shallow ground level, the second embodiment in which the buried pipe 22 is vertically arranged at the shallow ground level.
Claims (10)
1. A fresh air handling unit for humidifying a ground source is characterized by comprising an air inlet (1), a filtering component, an evaporator (6), a reheating condenser (7), a humidifier (8), a sterilizing component (9), a fan (10) and an air outlet (11) which are sequentially arranged; the system is characterized by also comprising a four-way valve (14), a compressor (16) and a buried pipe (19), wherein the evaporator (6), the four-way valve (14), the compressor (16) and the buried pipe (19) are connected through a pipeline to form a loop, the reheating condenser (7) is connected with the buried pipe (19) in parallel through the pipeline, and a reheating expansion valve (12), a main expansion valve (13) and an outdoor expansion valve (18) are arranged between the evaporator (6) and the buried pipe (19); the buried pipe (19) is arranged underground, and the surface of the buried pipe (19) is attached to underground soil.
2. The fresh air source humidity control unit as claimed in claim 1, wherein the buried pipe (19) is U-shaped.
3. Ground source humidifying fresh air handling unit according to claim 1 or 2, wherein a plurality of the buried pipes (19) are provided, and a plurality of the buried pipes (19) are arranged side by side.
4. The ground source humidity control fresh air handling unit as set forth in claim 1, wherein the filter assembly comprises a nylon filter screen (2), a primary filter screen (3), a middle-effect filter screen (4) and a high-effect filter screen (5) which are arranged in sequence.
5. The fresh air handling unit for ground source humidity control as claimed in claim 1, wherein the sterilization component (9) comprises an ultraviolet lamp and a photocatalyst filter screen which are arranged in sequence.
6. A ground source humidity control fresh air handling unit as claimed in claim 1, wherein the air blower (10) is a centrifugal air blower.
7. Ground source humidity control fresh air handling unit according to claim 1, characterized in that a first one-way valve facing the buried pipe (19) is connected in parallel to the main expansion valve (13).
8. The fresh air handling unit for ground source humidity control as claimed in claim 1, wherein a second one-way valve facing the evaporator (6) is connected in parallel to the outdoor expansion valve (18).
9. Ground source humidifying fresh air handling unit according to any one of claims 4-8, characterized in that an oil separator (15) is arranged on a pipeline connecting the compressor (16) and the four-way valve (14).
10. The fresh air handling unit of any one of claims 4 to 8, wherein a gas-liquid separator (17) is disposed on a pipeline connecting the compressor (16) and the four-way valve (14).
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CN202023043641.5U CN213841170U (en) | 2020-12-16 | 2020-12-16 | Fresh air handling unit for source humidity control |
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CN202023043641.5U CN213841170U (en) | 2020-12-16 | 2020-12-16 | Fresh air handling unit for source humidity control |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114738888A (en) * | 2022-04-19 | 2022-07-12 | 苏州浪潮智能科技有限公司 | Fresh air system |
CN115751506A (en) * | 2022-11-04 | 2023-03-07 | 青岛沃富新能源科技有限公司 | Fresh air dehumidifier suitable for low temperature and high humidity environment |
-
2020
- 2020-12-16 CN CN202023043641.5U patent/CN213841170U/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114738888A (en) * | 2022-04-19 | 2022-07-12 | 苏州浪潮智能科技有限公司 | Fresh air system |
CN115751506A (en) * | 2022-11-04 | 2023-03-07 | 青岛沃富新能源科技有限公司 | Fresh air dehumidifier suitable for low temperature and high humidity environment |
CN115751506B (en) * | 2022-11-04 | 2023-07-21 | 青岛沃富新能源科技有限公司 | Fresh air dehumidifier suitable for low temperature high humidity environment |
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