CN213841172U - Water-cooled ground source humidifying fresh air handling unit - Google Patents
Water-cooled ground source humidifying fresh air handling unit Download PDFInfo
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- CN213841172U CN213841172U CN202023054116.3U CN202023054116U CN213841172U CN 213841172 U CN213841172 U CN 213841172U CN 202023054116 U CN202023054116 U CN 202023054116U CN 213841172 U CN213841172 U CN 213841172U
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Abstract
The utility model belongs to a fresh air handling unit for humidifying, in particular to a water-cooled ground source humidifying fresh air handling unit, 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 heat exchanger, wherein the evaporator, the four-way valve, the compressor and a first flow passage of the heat exchanger are connected through pipelines to form a loop; the heat exchanger also comprises a ground buried pipe, wherein two ends of the ground buried pipe are respectively connected with two ends of a second flow passage of the heat exchanger through pipelines; the utility model discloses can improve the quality of new trend, the unit efficiency improves greatly, and the heat that discharges to the environment still less compares in the more environmental protection of prior art 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 water-cooled earth source humidifying fresh air handling unit.
Background
Along with the improvement of the living standard of people, the requirements of people on indoor air are 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 household air-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 sources of the household air-cooled humidity-adjusting fresh air fan or double-cold-source humidity-adjusting fresh air fan are generally from air-cooled heat pumps. However, in the existing structure, heat or cold is directly discharged in outdoor air, so an exhaust fan needs to be installed outdoors, and the exhaust fan installed outdoors is affected by external factors greatly, so that the exhaust fan is easy to break down, has high maintenance frequency, and directly discharges heat outdoors, and is easy to destroy the balance of ecological environment.
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 water-cooled earth source humidifying fresh air handling unit of more environmental protection.
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 heat exchanger, wherein the evaporator, the four-way valve, the compressor and a first flow passage of the heat exchanger are connected through pipelines to form a loop; the heat exchanger further comprises a buried pipe, the buried pipe is arranged underground, the surface of the buried pipe is attached to underground soil, two ends of the buried pipe are connected with two ends of a second flow passage of the heat exchanger through pipelines respectively, and a refrigerant is arranged in the buried pipe.
Furthermore, a pump is arranged on a pipeline connecting the ground buried pipe and the second flow channel of the heat exchanger.
Furthermore, an expansion tank is arranged on a pipeline connecting the ground buried pipe and the second flow channel of the heat exchanger.
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.
Furthermore, a first check valve facing the buried pipe is arranged on the main expansion valve in parallel, and a second check 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 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%.
(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.
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-a heat exchanger; 20-an expansion tank; 21-a pump; 22-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; the filter assembly is used for filtering the 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 also comprises a four-way valve 14, a compressor 16 and a heat exchanger 19, wherein the evaporator 6, the four-way valve 14, the compressor 16 and the first flow channel of the heat exchanger 19 are connected through pipelines to form a loop, 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 a first flow passage of the heat exchanger 19 are connected with one interface of the four-way valve 14 through pipelines, and the other end of the first flow passage of the heat exchanger 19 is connected with the other end of the evaporator 6 through a pipeline; the reheat condenser 7 is connected in parallel with a first flow channel of the heat exchanger 19 through a pipeline, and 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 heat exchanger 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 heat exchanger 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 utility model discloses still include buried pipe 22, buried pipe 19 sets up in the underground, specifically for setting up in the superficial layer of earth's surface (in 60 meters below the earth's surface), and buried pipe 19 surface pastes mutually with underground soil, buried pipe 22's both ends are connected with the both ends of heat exchanger 19 second runner through the pipeline respectively for form the return circuit between buried pipe 22 and the heat exchanger 19, be provided with the coolant in the buried pipe 22, preferred coolant is water. 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 of the high-temperature and high-pressure gas refrigerant flows to the heat exchanger 19, the high-temperature and high-pressure gas refrigerant radiates heat to the secondary refrigerant in the heat exchanger 19 and is gradually condensed into a high-pressure liquid refrigerant, and the secondary refrigerant absorbing the heat radiates the heat to the ground bottom through the buried pipe 22; 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 low-pressure gas-liquid refrigerant mixture, the low-temperature low-pressure gas-liquid refrigerant mixture flows to the heat exchanger 19, the low-temperature low-pressure gas-liquid refrigerant mixture absorbs heat from the secondary refrigerant in the heat exchanger 19 to become low-pressure gaseous refrigerant, and the secondary refrigerant releasing heat releases cold to the ground bottom through the buried pipe 22; the low pressure gaseous refrigerant re-enters 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 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%. (2) 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. (3) 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, be provided with pump 21 on the pipeline that buried pipe 22 and heat exchanger 19 second flow path are connected for carry the refrigerant, make the refrigerant circulate on the return circuit between buried pipe 22 and heat exchanger 19.
In the utility model discloses, be provided with expansion tank 20 on the pipeline that ground pipe laying 22 and heat exchanger 19 second flow path are connected for the pressure of balanced secondary refrigerant.
The utility model discloses in, buried pipe 22 is the U-shaped, through setting up buried pipe 22 into the U-shaped for buried pipe 22's both ends set up side by side, and consequently compact structure nature is better, also is convenient for heat exchanger 19 to be connected with buried pipe 22 both ends.
The utility model discloses in, ground pipe laying 19 is provided with a plurality ofly, and is a plurality of ground pipe laying 19 sets up side by side, and a plurality of ground pipe laying 19's one end all is connected with water collector one, and a plurality of ground pipe laying 19's the other end all is connected with water collector two, and water collector one and water collector two are connected with the both ends of heat exchanger 19 second runner through the pipeline respectively, through setting up a plurality of ground pipe laying 19, and is bigger with the area of contact of soil, and the coolant 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.
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 also arranged 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 water-cooled ground source humidifying fresh air handling unit 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 heat exchanger (19), wherein a loop is formed by connecting a first flow passage of the evaporator (6), the four-way valve (14), the compressor (16) and the heat exchanger (19) through a pipeline, the reheating condenser (7) is connected with the first flow passage of the heat exchanger (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 heat exchanger (19); the heat exchanger also comprises a buried pipe (22), wherein the buried pipe (22) is arranged underground, the surface of the buried pipe (22) is attached to underground soil, two ends of the buried pipe (22) are respectively connected with two ends of a second flow channel of the heat exchanger (19) through pipelines, and a refrigerant is arranged in the buried pipe (22).
2. The water-cooled ground source humidity control fresh air handling unit according to claim 1, wherein a pump (21) is disposed on a pipeline connecting the ground pipe (22) and the second flow path of the heat exchanger (19).
3. The water-cooled ground source humidity control fresh air handling unit according to claim 1, wherein an expansion tank (20) is arranged on a pipeline connecting the ground pipe (22) and the second flow channel of the heat exchanger (19).
4. The water-cooled ground source humidity control fresh air handling unit according to claim 1, wherein the buried pipe (22) is U-shaped.
5. The water-cooled ground source humidifying fresh air handling unit according to any one of claims 1-4, wherein a plurality of buried pipes (22) are provided, and a plurality of buried pipes (22) are arranged side by side.
6. The water-cooled ground source humidity control fresh air handling unit according to claim 1, wherein the filter assembly comprises a nylon filter screen (2), a primary filter screen (3), a medium-efficiency filter screen (4) and a high-efficiency filter screen (5) which are sequentially arranged.
7. The water-cooled ground source humidity control fresh air handling unit according to claim 1, wherein the sterilization component (9) comprises an ultraviolet lamp and a photocatalyst filter screen which are arranged in sequence.
8. The water-cooled ground source humidity control fresh air handling unit according to claim 1, wherein a first check valve facing the buried pipe (22) is connected in parallel to the main expansion valve (13), and a second check valve facing the evaporator (6) is connected in parallel to the outdoor expansion valve (18).
9. The water-cooled ground source humidifying fresh air handling unit according to any one of claims 6-8, wherein an oil separator (15) is arranged on a pipeline connecting the compressor (16) and the four-way valve (14).
10. The water-cooled ground source humidifying fresh air handling unit according to any one of claims 6-8, wherein a gas-liquid separator (17) is arranged on a pipeline connecting the compressor (16) and the four-way valve (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023054116.3U CN213841172U (en) | 2020-12-16 | 2020-12-16 | Water-cooled ground source humidifying fresh air handling unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023054116.3U CN213841172U (en) | 2020-12-16 | 2020-12-16 | Water-cooled ground source humidifying fresh air handling unit |
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| Publication Number | Publication Date |
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| CN213841172U true CN213841172U (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023054116.3U Active CN213841172U (en) | 2020-12-16 | 2020-12-16 | Water-cooled ground source humidifying fresh air handling unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CN202023054116.3U patent/CN213841172U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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