CN212108872U - Refrigeration fresh air conditioning unit with indirect evaporation composite compressor - Google Patents
Refrigeration fresh air conditioning unit with indirect evaporation composite compressor Download PDFInfo
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- CN212108872U CN212108872U CN202020810545.XU CN202020810545U CN212108872U CN 212108872 U CN212108872 U CN 212108872U CN 202020810545 U CN202020810545 U CN 202020810545U CN 212108872 U CN212108872 U CN 212108872U
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Abstract
The utility model discloses an indirect evaporation composite compressor refrigeration fresh air conditioning unit, which comprises a box body, wherein a filter, an external cooling type high temperature surface cooler, an evaporator, a direct evaporation cooler and a water retaining device are sequentially arranged in the air flow direction on one side of the box body, and a blower is arranged on the other side of the box body; set up the outlet pipe and the inlet tube of outer cold type high temperature surface cooler on the box, be provided with compressor, condensation heat emission unit, radiator fan and condenser outside the box, the evaporimeter is connected with the compressor through the outer refrigerant trachea of box, and the compressor passes through refrigerant liquid union coupling condenser, and the condenser passes through refrigerant liquid union coupling in the evaporimeter in the box, is provided with radiator fan in the condensation heat emission unit, direct evaporative cooler places in the basin, and direct evaporative cooler connects on the basin through the nozzle at top, the connecting tube of nozzle connection, is connected with circulating water pump on the basin, and direct evaporative cooler right side is provided with water retaining device. The refrigerating capacity is stable, and the energy-saving rate is high.
Description
Technical Field
The utility model belongs to the technical field of the air conditioner refrigeration, concretely relates to indirect evaporation composite compressor refrigeration fresh air conditioning unit.
Background
The dry air energy evaporative cooling air conditioner is more suitable for refrigerating in dry areas, but has great application value in middle-humidity areas. The simple indirect evaporative cooling cannot meet the refrigeration requirements under all working conditions in the middle-humidity area, and the indirect evaporative cooling is combined with the compressor refrigeration technology, so that the application of the indirect evaporative cooling fresh air conditioner in the middle-humidity area is solved. Especially in the places with dense population and needing a large amount of fresh air for refrigeration, the application value of the indirect evaporation composite compressor refrigeration fresh air conditioning unit is reflected.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming above-mentioned technical problem's defect, provide an indirect evaporation composite compressor refrigeration fresh air conditioning unit. The refrigerating capacity is stable, the energy-saving rate is high, and the air quality is high because the air flow is used for fresh air refrigeration.
In order to solve the technical problem, the utility model provides a following technical scheme:
an indirect evaporation composite compressor refrigeration fresh air conditioning unit comprises a box body, and is characterized in that a filter 1, an external cooling type high-temperature surface cooler 2, an evaporator 4, a direct evaporation cooler 5 and a water retaining device 8 are sequentially arranged on one side in the box body in an air flow direction, and a blower 9 is arranged on the other side of the box body; set up outlet pipe 3 and the inlet tube 18 of external cold type high temperature surface cooler on the box, be provided with compressor 13, condensation heat discharge unit 12, radiator fan 17 and condenser 16 outside the box, evaporimeter 4 is connected with compressor 13 through the outer refrigerant trachea 14 of box, and compressor 13 passes through refrigerant liquid pipe 15 and connects condenser 16, and condenser 16 passes through refrigerant liquid pipe 15 and connects in the evaporimeter 4 of box, is provided with radiator fan 17 in the condensation heat discharge unit 12, direct evaporative cooler 5 places in basin 11, and direct evaporative cooler 5 connects on basin 11 through nozzle 6, the connecting water pipe 7 of nozzle connection at top, is connected with circulating water pump 10 on the basin 11, and direct evaporative cooler 5 right side is provided with water retaining device 8.
Preferably, whether the evaporator 4 is started or not is determined by the temperature of air conveyed by the unit, when the temperature of the conveyed air is higher than the set temperature, the compressor 13 is started, the evaporator 4 works, and the condensation heat of the compressor is discharged outside the box body of the fresh air refrigerating unit of the indirect evaporation composite compressor; below the set temperature, the evaporator 4 is not operated and the compressor 13 is not started.
Preferably, the external-cooling high-temperature surface cooler 2 is connected with an indirect evaporative cooling water chilling unit 19 through a pipeline with a system water pump, and cold water in the external-cooling high-temperature surface cooler 2 comes from cold water produced by the indirect evaporative cooling water chilling unit.
Preferably, the circulating water pump 10 sprays the circulating water in the water tank 11 to the top of the direct evaporative cooler 5 through the nozzle 6 of the direct evaporative cooler 5, so as to realize circulating cooling and humidifying.
Preferably, the refrigerant gas pipe 14 and the refrigerant liquid pipe 15 are both copper pipes.
Preferably, the direct evaporative cooler 5 is located behind the externally cooled high temperature surface cooler 2, in front of where the water retaining device 8 is located.
Compared with the prior art, the utility model discloses following beneficial effect has:
the air conditioning device is suitable for medium-humidity areas, mainly uses indirect evaporative cooling refrigeration, and has the advantages that a main cold source is provided by means of evaporative cooling equipment, the compressor is started to refrigerate under the extremely high-temperature working condition to supplement cold, the application area is wide, the refrigerating capacity is stable, the energy saving rate is high, and the air quality is high because the air flow is used for fresh air refrigeration.
Drawings
The following further description is made with reference to the accompanying drawings and detailed description:
fig. 1 is the structure schematic diagram of the indirect evaporation composite compressor refrigeration fresh air conditioning unit of the utility model.
Fig. 2 is a schematic diagram of the indirect evaporation composite compressor refrigeration air conditioning device of the present invention.
In the figure, 1-a filter, 2-an external cooling type high-temperature surface cooler, 3-an external cooling type high-temperature surface cooler water outlet pipe, 4-an evaporator, 5-a direct evaporation cooler, 6-a nozzle, 7-a cooler connecting water pipe, 8-a water retaining device, 9-a blower, 10-a circulating water pump, 11-a water tank, 12-a condensation heat discharge unit, 13-a compressor, 14-a refrigerant air pipe, 15-a refrigerant liquid pipe, 16-a condenser, 17-a heat radiation fan, 18-a water inlet pipe and 19-an indirect evaporation cooling water chilling unit.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
As shown in fig. 1-2, the utility model provides an indirect evaporation composite compressor refrigeration fresh air conditioning unit, which specifically comprises a box body, a filter 1, an external cooling type high temperature surface cooler 2, an evaporator 4, a direct evaporation cooler 5 and a water retaining device 8 are sequentially arranged in the box body in the air flow direction at one side, and a blower 9 is arranged at the other side in the box body; the refrigerator is provided with a water outlet pipe 3 and a water inlet pipe 18 of an external cooling type high-temperature surface air cooler, a compressor 13, a condensation heat discharge unit 12, a heat radiation fan 17 and a condenser 16 are arranged outside the refrigerator, the evaporator 4 is connected with the compressor 13 through a refrigerant air pipe 14 outside the refrigerator, the compressor 13 is connected with the condenser 16 through a refrigerant liquid pipe 15, the condenser 16 is connected with the evaporator 4 in the refrigerator through the refrigerant liquid pipe 15, and the refrigerant air pipe 14 and the refrigerant liquid pipe 15 are copper pipes. A cooling fan 17 is arranged in the condensation heat discharging unit 12, the direct evaporative cooler 5 is placed in the water tank 11, the direct evaporative cooler 5 is connected to the water tank 11 through a nozzle 6 at the top and a connecting water pipe 7 connected with the nozzle, a circulating water pump 10 is connected to the water tank 11, and a water retaining device 8 is arranged on the right side of the direct evaporative cooler 5.
The filter 1 is an air filter, the external cooling type high-temperature surface cooler 2 is a copper pipe aluminum fin structure heat exchanger, and the evaporator 4 is a copper pipe aluminum fin structure heat exchanger. A restriction is provided between the condenser 16 and the evaporator 4.
Whether the evaporator 4 is started is determined by the temperature of air conveyed by the unit, when the temperature of the conveyed air is higher than the set temperature, the compressor 13 is started, the evaporator 4 works, and the condensation heat of the compressor is discharged outside the box body of the fresh air refrigerating unit of the indirect evaporation composite compressor; below the set temperature, the evaporator 4 is not operated and the compressor 13 is not started.
As shown in fig. 2, the external-cooling high-temperature surface cooler 2 is connected to an indirect evaporative cooling chiller 19 through a pipe with a system water pump, and the cold water in the external-cooling high-temperature surface cooler 2 is the cold water produced by the indirect evaporative cooling chiller. The indirect evaporative cooling water chilling unit is equipment for making cold water, can make high-temperature cold water, is provided with a water inlet pipe orifice and a water outlet pipe orifice, and realizes refrigeration circulation of the cold water in a system through power of a system water pump.
The circulating water pump 10 sprays the circulating water in the water tank 11 to the top of the direct evaporative cooler 5 through the nozzle 6 of the direct evaporative cooler 5, so as to realize circulating cooling and humidifying.
And the direct evaporative cooler 5 is positioned behind the external cooling type high-temperature surface cooler 2 and in front of the water retaining device 8.
The cold energy in the evaporator 4 in the box body is from the compressor 13 outside the box body for refrigeration, and the refrigerant circulation sequence is as follows: after the low-temperature and low-pressure liquid refrigerant enters the evaporator 4 for evaporation and refrigeration, the refrigerant is vaporized into gas from liquid, enters the compressor 13 outside the box body and is compressed into high-temperature and high-pressure liquid, then enters the condenser 16, cools the high-temperature and high-pressure refrigerant into the low-temperature and low-pressure liquid refrigerant through the heat dissipation fan 17 at the top of the condenser 16, and then conveys the low-temperature and low-pressure refrigerant into the evaporator 4 in the box body through the flow restrictor to realize circulation refrigeration.
In the box body of the indirect evaporation composite compressor refrigeration fresh air conditioning unit, the air flow evaporation cooling refrigeration process is that outdoor fresh air enters a filter 1, primary cooling is carried out through an external cooling type high-temperature surface cooler 2 in the box body, the cooled air flow is cooled for the second time through an evaporator 4 refrigerated by a next-stage compressor, tertiary cooling is carried out through humidification of a direct evaporation cooler 5 of a direct evaporation section, and finally low-temperature cold air produced by a blower 9 is conveyed to an indoor area needing refrigeration to complete refrigeration and cooling.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. An indirect evaporation composite compressor refrigeration fresh air conditioning unit comprises a box body, and is characterized in that a filter (1), an external cooling type high-temperature surface cooler (2), an evaporator (4), a direct evaporation cooler (5) and a water retaining device (8) are sequentially arranged on one side in the box body in the air flow direction, and a blower (9) is arranged on the other side in the box body; the box body is provided with a water outlet pipe (3) and a water inlet pipe (18) of the external cooling type high-temperature surface cooler, a compressor (13), a condensation heat discharge unit (12), a heat radiation fan (17) and a condenser (16) are arranged outside the box body, the evaporator (4) is connected with the compressor (13) through a refrigerant air pipe (14) outside the box body, the compressor (13) is connected with the condenser (16) through a refrigerant liquid pipe (15), the condenser (16) is connected with the evaporator (4) in the box body through the refrigerant liquid pipe (15), the heat radiation fan (17) is arranged in the condensation heat discharge unit (12), the direct evaporation cooler (5) is placed in a water tank (11), the direct evaporation cooler (5) is connected with the water tank (11) through a nozzle (6) at the top and a connecting water pipe (7) connected with the nozzle, and the water tank (11) is, the right side of the direct evaporative cooler (5) is provided with a water retaining device (8).
2. The indirect evaporation composite compressor refrigeration fresh air conditioning unit as recited in claim 1, wherein the compressor (13) is turned on when the temperature of the delivered air is higher than the set temperature, the evaporator (4) is operated, and the condensation heat of the compressor (13) is discharged outside the box body; when the temperature of the conveying air is lower than the set temperature, the evaporator (4) does not work, and the compressor (13) is not started.
3. The indirect evaporative composite compressor refrigeration fresh air conditioning unit as recited in claim 1, wherein the external cooling type high temperature surface cooler (2) is connected with the indirect evaporative cooling water chilling unit (19) through a pipeline with a system water pump, and the cold water in the external cooling type high temperature surface cooler (2) comes from the cold water produced by the indirect evaporative cooling water chilling unit (19).
4. The indirect evaporation composite compressor refrigeration fresh air conditioning unit as claimed in claim 1, wherein the circulating water pump (10) sprays the circulating water in the water tank (11) to the top of the direct evaporation cooler (5) through the nozzle (6) of the direct evaporation cooler (5) to realize the circulating cooling and humidification.
5. The indirect evaporation composite compressor refrigeration fresh air conditioning unit as claimed in claim 1, wherein the refrigerant air pipe (14) and the refrigerant liquid pipe (15) are both copper pipes.
6. The indirect evaporative compound compressor refrigeration fresh air conditioning unit as recited in claim 1 wherein the direct evaporative cooler (5) is located behind the external cooling high temperature surface cooler (2) and in front of the water retaining device (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020810545.XU CN212108872U (en) | 2020-05-15 | 2020-05-15 | Refrigeration fresh air conditioning unit with indirect evaporation composite compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020810545.XU CN212108872U (en) | 2020-05-15 | 2020-05-15 | Refrigeration fresh air conditioning unit with indirect evaporation composite compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212108872U true CN212108872U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020810545.XU Active CN212108872U (en) | 2020-05-15 | 2020-05-15 | Refrigeration fresh air conditioning unit with indirect evaporation composite compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212108872U (en) |
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2020
- 2020-05-15 CN CN202020810545.XU patent/CN212108872U/en active Active
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