CN215175724U - Double-cold-source direct-expansion fresh air handling unit - Google Patents
Double-cold-source direct-expansion fresh air handling unit Download PDFInfo
- Publication number
- CN215175724U CN215175724U CN202121427702.XU CN202121427702U CN215175724U CN 215175724 U CN215175724 U CN 215175724U CN 202121427702 U CN202121427702 U CN 202121427702U CN 215175724 U CN215175724 U CN 215175724U
- Authority
- CN
- China
- Prior art keywords
- fan
- fresh air
- truss
- expansion
- handling unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
Abstract
The utility model discloses a formula fresh air unit is directly expanded to two cold sources relates to fresh air unit technical field, for solving the lower problem of current fresh air unit heat exchange efficiency. The utility model discloses a refrigerator, including machine case, first refrigeration mechanism, first fan, second fan, cooling liquid circulating pipe, a plurality of heat transfer fins are installed to the upper end of cooling liquid circulating pipe, the lower extreme of truss is installed and is congealed water dish, and congealed water dish and truss pass through the screw connection, the fluid-discharge tube is all installed to the both sides of congealing water dish, first filter core is installed to one side of first refrigeration mechanism, the second filter core is installed to one side of second refrigeration mechanism, first fan and second fan are installed to the outside of machine case, and first fan is located one side of first filter core, and the second fan is located one side of second filter core, first refrigeration mechanism includes evaporimeter, compressor, condenser, liquid storage pot and expansion valve, second refrigeration mechanism includes the truss, the cooling liquid circulating pipe is installed to the upper end of truss, a plurality of heat transfer fins are installed to the lower extreme of truss, and congeal water dish passes through the screw connection with the truss, the fluid-discharge tube is all installed to the both sides of congealing water dish.
Description
Technical Field
The utility model relates to a fresh air handling unit technical field specifically is a formula fresh air handling unit is directly expanded in two cold sources.
Background
The fresh air unit is an air conditioning device, can provide fresh air for the room, guarantees indoor ventilation, replaces the ventilation mode of windowing to improve indoor air quality, and the direct expansion type fresh air unit is widely applied to various office places and commercial buildings, and is often applied to air conditioning systems.
However, the existing fresh air handling unit is low in heat exchange efficiency, so that the existing requirements are not met, and a double-cold-source direct-expansion fresh air handling unit is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a formula fresh air unit is directly expanded in two cold sources to solve the lower problem of current fresh air unit heat exchange efficiency who provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a formula fresh air unit is directly expanded in two cold sources, includes quick-witted case, the internally mounted of machine case has first refrigeration mechanism and second refrigeration mechanism, first filter core is installed to one side of first refrigeration mechanism, the second filter core is installed to one side of second refrigeration mechanism, first fan and second fan are installed in the outside of machine case, and first fan is located one side of first filter core, and the second fan is located one side of second filter core.
Preferably, the first refrigeration mechanism includes an evaporator, a compressor, a condenser, a liquid storage tank, and an expansion valve.
Preferably, the second refrigeration mechanism comprises a truss, a cooling liquid circulating pipe is installed at the upper end of the truss, a plurality of heat exchange fins are installed at the upper end of the cooling liquid circulating pipe, a water condensation disc is installed at the lower end of the truss, the water condensation disc is connected with the truss through screws, and liquid discharge pipes are installed on two sides of the water condensation disc.
Preferably, one end of the cooling liquid circulating pipe is provided with a liquid inlet, and the other end of the cooling liquid circulating pipe is provided with a liquid outlet.
Preferably, one side of the case is provided with two air inlet windows, and the two air inlet windows are respectively positioned at one side of the first refrigerating mechanism and one side of the second refrigerating mechanism.
Preferably, refrigerant pipes are respectively arranged between the evaporator and the compressor, between the compressor and the condenser, between the condenser and the liquid storage tank, between the liquid storage tank and the expansion valve, and between the expansion valve and the evaporator, and a drying filter and an electromagnetic valve are arranged at the upper ends of the refrigerant pipes.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a low temperature low pressure liquid refrigerant vaporizes in the evaporimeter, absorb the heat in the air, cool down the air of process, low temperature low pressure liquid refrigerant becomes high temperature high pressure steam through the compressor, high temperature high pressure steam gets into the condenser, the condenser cools off the refrigerant, change the refrigerant into low temperature high pressure liquid refrigerant, final low temperature high pressure liquid refrigerant is through the expansion valve throttle step-down, change low temperature low pressure liquid refrigerant again, carry out the heat exchange with the air again, reduce the temperature of air, accomplish refrigeration cycle, the air after the cooling is discharged under the effect of first fan indoor, realize indoor division of ventilating.
2. The utility model discloses let in the cooling water through the inlet to the inside of coolant liquid circulation pipe, make the coolant liquid circulation pipe be in the low temperature state, the heat exchange takes place with the ambient air in the coolant liquid circulation pipe, heat transfer in the air is to the cooling water, the heat is taken away in the cooling water through the liquid outlet discharge, the realization is to the cooling temperature of air, the cooling water after the intensification flows back to the coolant liquid circulation pipe once more after being cooled down by the cooling tower recooling, realize refrigeration cycle, the air after the cooling is discharged under the effect of second fan indoor, realize indoor leading to divide and take a breath.
3. The utility model discloses a first refrigeration mechanism and second refrigeration mechanism have realized the dual refrigeration ventilation of fresh air unit, have improved the heat exchange efficiency in the unit interval, and first refrigeration mechanism and second refrigeration mechanism can work alone, can control opening and close of first refrigeration mechanism and second refrigeration mechanism correspondingly according to the indoor environment demand.
Drawings
Fig. 1 is a schematic structural view of a first refrigeration mechanism of the present invention;
fig. 2 is a schematic top view structural diagram of a dual-cold-source direct-expansion type fresh air handling unit of the present invention;
fig. 3 is a schematic structural view of a second refrigeration mechanism of the present invention;
fig. 4 is a schematic structural diagram of the first fan and the second fan of the present invention.
In the figure: 1. a chassis; 2. a first refrigeration mechanism; 3. a second refrigeration mechanism; 4. a first filter element; 5. a second filter element; 6. a first fan; 7. a second fan; 8. an evaporator; 9. a compressor; 10. a condenser; 11. a liquid storage tank; 12. an expansion valve; 13. drying the filter; 14. an electromagnetic valve; 15. a refrigerant pipe; 16. a truss; 17. a cooling liquid circulation pipe; 18. heat exchange fins; 19. a water condensation tray; 20. a liquid discharge pipe; 21. a liquid inlet; 22. a liquid outlet; 23. and an air inlet window.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides a two cold sources formula fresh air unit of directly expanding, including quick-witted case 1, the internally mounted of quick-witted case 1 has first refrigerating mechanism 2 and second refrigerating mechanism 3, first filter core 4 is installed to one side of first refrigerating mechanism 2, second filter core 5 is installed to one side of second refrigerating mechanism 3, first fan 6 and second fan 7 are installed in the outside of machine case 1, and first fan 6 is located one side of first filter core 4, and second fan 7 is located one side of second filter core 5, but first refrigerating mechanism 2 and second refrigerating mechanism 3 autonomous working, can control opening and close of first refrigerating mechanism 2 and second refrigerating mechanism 3 correspondingly according to the indoor environment demand, the flexibility in the use has been improved.
Further, the first refrigeration mechanism 2 includes an evaporator 8, a compressor 9, a condenser 10, a liquid storage tank 11 and an expansion valve 12, a low-temperature low-pressure liquid refrigerant of the first refrigeration mechanism 2 is vaporized in the evaporator 8 to absorb heat in air and cool the passing air, the low-temperature low-pressure liquid refrigerant is changed into high-temperature high-pressure steam through the compressor 9, the high-temperature high-pressure steam enters the condenser 10, the condenser 10 cools the refrigerant to convert the refrigerant into a low-temperature high-pressure liquid refrigerant, and finally the low-temperature high-pressure liquid refrigerant is throttled and reduced in pressure through the expansion valve 12 and is changed into the low-temperature low-pressure liquid refrigerant again to exchange heat with air again, so that the temperature of the air is reduced, and the refrigeration cycle is completed.
Further, the second refrigeration mechanism 3 comprises a truss 16, a cooling liquid circulating pipe 17 is installed at the upper end of the truss 16, a plurality of heat exchange fins 18 are installed at the upper end of the cooling liquid circulating pipe 17, a water condensation tray 19 is installed at the lower end of the truss 16, the water condensation tray 19 is connected with the truss 16 through screws, liquid discharge pipes 20 are installed on two sides of the water condensation tray 19, cooling water is introduced into the cooling liquid circulating pipe 17 through a liquid inlet 21, the cooling liquid circulating pipe 17 is in a low-temperature state, heat exchange is conducted between the cooling liquid circulating pipe 17 and the surrounding air, heat in the air is transferred into the cooling water, the cooling water is discharged through a liquid outlet 22 to take away the heat, cooling of the air is achieved, condensed water vapor is concentrated into the inside of the water condensation tray 19, and finally discharged through the liquid discharge pipes 20.
Further, one end of the cooling liquid circulation pipe 17 is provided with a liquid inlet 21, the other end of the cooling liquid circulation pipe 17 is provided with a liquid outlet 22, cooling water enters the inside of the cooling liquid circulation pipe 17 through the liquid inlet 21, and the cooling water is discharged through the liquid outlet 22 after heat exchange is completed.
Further, one side of the case 1 is provided with two air inlet windows 23, the two air inlet windows 23 are respectively located at one side of the first refrigerating mechanism 2 and one side of the second refrigerating mechanism 3, and fresh air enters through the air inlet windows 23.
Further, refrigerant pipes 15 are respectively arranged between the evaporator 8 and the compressor 9, between the compressor 9 and the condenser 10, between the condenser 10 and the liquid storage tank 11, between the liquid storage tank 11 and the expansion valve 12, and between the expansion valve 12 and the evaporator 8, and are communicated with the refrigeration system, a drying filter 13 and an electromagnetic valve 14 are arranged at the upper end of each refrigerant pipe 15, and the drying filter 13 has good cleaning capacity and plays a role in filtering impurities.
The working principle is as follows: when the air conditioner is used, the first fan 6 and the second fan 7 work to introduce fresh air, the low-temperature low-pressure liquid refrigerant of the first refrigerating mechanism 2 is vaporized in the evaporator 8 to absorb heat in air and cool the passing air, the low-temperature low-pressure liquid refrigerant is changed into high-temperature high-pressure steam through the compressor 9, the high-temperature high-pressure steam enters the condenser 10, the condenser 10 cools the refrigerant to convert the refrigerant into the low-temperature high-pressure liquid refrigerant, finally the low-temperature high-pressure liquid refrigerant is throttled and reduced in pressure through the expansion valve 12 and is converted into the low-temperature low-pressure liquid refrigerant again to exchange heat with air again to reduce the temperature of the air, a refrigerating cycle is completed, the cooled air is discharged into a room under the action of the first fan 6, cooling water is introduced into the cooling liquid circulating pipe 17 through the liquid inlet 21 to enable the cooling liquid circulating pipe 17 to be in a low-temperature state, and the cooling liquid circulating pipe 17 exchanges heat with the surrounding air, the heat in the air is transferred to the cooling water, the cooling water is discharged through the liquid outlet 22 to take away the heat, the cooling and cooling of the air are realized, the condensed water vapor is concentrated in the water condensation disc 19 and is finally discharged through the liquid discharge pipe 20, the cooling water after temperature rise is cooled again by the cooling tower and then flows back to the cooling liquid circulating pipe 17 again, the refrigeration cycle is realized, the air after temperature reduction is discharged into the room under the action of the second fan 7, the ventilation of the room is realized, the fresh air is filtered by the first filter element 4 and the second filter element 5 before being discharged into the room, dust particles and suspended matters in the air are filtered, the cleanliness of the air is ensured, the first refrigeration mechanism 2 and the second refrigeration mechanism 3 realize the double refrigeration and ventilation of the fresh air unit, the heat exchange efficiency in unit time is improved, the first refrigeration mechanism 2 and the second refrigeration mechanism 3 can work independently, and the opening and closing of the first refrigeration mechanism 2 and the second refrigeration mechanism 3 can be correspondingly controlled according to the indoor environmental requirements, the flexibility in the use process is improved.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a formula fresh air handling unit is directly expanded to two cold sources, includes quick-witted case (1), its characterized in that: the refrigerator is characterized in that a first refrigerating mechanism (2) and a second refrigerating mechanism (3) are arranged inside the cabinet (1), a first filter element (4) is installed on one side of the first refrigerating mechanism (2), a second filter element (5) is installed on one side of the second refrigerating mechanism (3), a first fan (6) and a second fan (7) are installed on the outer side of the cabinet (1), the first fan (6) is located on one side of the first filter element (4), and the second fan (7) is located on one side of the second filter element (5).
2. The dual cold source direct-expansion fresh air handling unit according to claim 1, wherein: the first refrigeration mechanism (2) comprises an evaporator (8), a compressor (9), a condenser (10), a liquid storage tank (11) and an expansion valve (12).
3. The dual cold source direct-expansion fresh air handling unit according to claim 1, wherein: the second refrigerating mechanism (3) comprises a truss (16), a cooling liquid circulating pipe (17) is installed at the upper end of the truss (16), a plurality of heat exchange fins (18) are installed at the upper end of the cooling liquid circulating pipe (17), a water condensation disc (19) is installed at the lower end of the truss (16), the water condensation disc (19) is connected with the truss (16) through screws, and liquid discharge pipes (20) are installed on two sides of the water condensation disc (19).
4. The dual cold source direct-expansion fresh air handling unit according to claim 3, wherein: one end of the cooling liquid circulating pipe (17) is provided with a liquid inlet (21), and the other end of the cooling liquid circulating pipe (17) is provided with a liquid outlet (22).
5. The dual cold source direct-expansion fresh air handling unit according to claim 1, wherein: one side of the case (1) is provided with two air inlet windows (23), and the two air inlet windows (23) are respectively positioned at one side of the first refrigerating mechanism (2) and one side of the second refrigerating mechanism (3).
6. The dual cold source direct-expansion fresh air handling unit according to claim 2, wherein: refrigerant pipes (15) are respectively arranged between the evaporator (8) and the compressor (9), between the compressor (9) and the condenser (10), between the condenser (10) and the liquid storage tank (11), between the liquid storage tank (11) and the expansion valve (12) and between the expansion valve (12) and the evaporator (8), and a drying filter (13) and an electromagnetic valve (14) are arranged at the upper end of each refrigerant pipe (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121427702.XU CN215175724U (en) | 2021-06-25 | 2021-06-25 | Double-cold-source direct-expansion fresh air handling unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121427702.XU CN215175724U (en) | 2021-06-25 | 2021-06-25 | Double-cold-source direct-expansion fresh air handling unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215175724U true CN215175724U (en) | 2021-12-14 |
Family
ID=79383157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121427702.XU Active CN215175724U (en) | 2021-06-25 | 2021-06-25 | Double-cold-source direct-expansion fresh air handling unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215175724U (en) |
-
2021
- 2021-06-25 CN CN202121427702.XU patent/CN215175724U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN215832072U (en) | Refrigerating system switching structure for isothermal dehumidification and air cooler | |
| CN101216225A (en) | Double temperature cold water/cold air unit | |
| CN111442446A (en) | Integrated double-cold-source water chilling unit | |
| CN102954548A (en) | Direct evaporation split type heat pipe heat-exchanger | |
| CN204987335U (en) | Refrigerated water type computer lab air conditioner of fluorine pump dual cycle nature cold source cold -storage system | |
| CN202254036U (en) | Recycling compact evaporative cooling air conditioning unit | |
| CN112797518A (en) | Air conditioner refrigerator subassembly and air conditioner refrigerator all-in-one | |
| CN215175724U (en) | Double-cold-source direct-expansion fresh air handling unit | |
| CN217584935U (en) | Refrigerating device and cooling system | |
| CN103129573A (en) | Stepless adjustable load variable air rate directly-evaporative type air conditioner special for urban railway transit | |
| CN203443006U (en) | Mixed refrigerating type all-fresh-air air conditioning unit | |
| CN102734973A (en) | Special dual-temperature high efficiency water source heat pump unit for capillary radiation air conditioning system | |
| CN106440072B (en) | High-efficient unit formula air conditioner of many evaporating temperature | |
| CN209877180U (en) | Self-adaptive condensing device of double-loop heat pipe air conditioner | |
| CN212057611U (en) | Integrated double-cold-source water chilling unit | |
| CN210123208U (en) | Water-cooling screw type water chiller | |
| CN210688680U (en) | Air conditioner comdenstion water doublestage returns cold system | |
| CN210070290U (en) | Combined type refrigerating system | |
| CN102734878A (en) | High-efficiency dual-temperature air source heat pump assembly dedicated to capillary radiation air-conditioning system | |
| CN203068704U (en) | Air guide direct evaporation split heat pipe exchanger | |
| CN106765782B (en) | Wine cellar air conditioning system applying solar energy and geothermal energy jointly | |
| CN110542162A (en) | water chilling unit all-in-one machine combining evaporative refrigeration and mechanical refrigeration and switching method | |
| JPH01277146A (en) | Air-conditioning equipment | |
| CN205784150U (en) | A kind of process cooling water auxiliary temperature-reducing device | |
| CN215872548U (en) | Heat management system of outdoor base station cabinet integrating storage battery compartment, equipment compartment and power supply compartment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |