CN216924802U - Integrated water-cooling direct-expansion unit - Google Patents
Integrated water-cooling direct-expansion unit Download PDFInfo
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- CN216924802U CN216924802U CN202220209943.5U CN202220209943U CN216924802U CN 216924802 U CN216924802 U CN 216924802U CN 202220209943 U CN202220209943 U CN 202220209943U CN 216924802 U CN216924802 U CN 216924802U
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Abstract
The utility model discloses an integrated water-cooling direct-expansion unit, which relates to the field of refrigeration equipment and comprises a control system, a compressor, an air suction pipeline assembly, an exhaust pipeline assembly, a liquid pipe assembly, a throttling device, an indoor side heat exchanger, an indoor side air conveying device, an inner side air treatment device, a water-cooled condenser, a cooling water pump, a cooling water inlet and outlet pipeline and valve, a water treatment device, a cooling tower and the like. According to the utility model, through a one-stop integrated design, a refrigerant system adopting a water-cooled condenser, an indoor air conveying device, an indoor air processing device, a cooling water conveying and processing system, an embedded efficient cooling tower and the like are organically combined, and a one-key full-automatic control mode is adopted, so that the complicated and time-consuming water system engineering of a user is reduced, and the problems of poor matching performance of non-professional type-selection parts and the like can be further avoided. The floor space is compact, and the installation is convenient. The operation energy consumption and the initial investment cost of the central air-conditioning system are effectively reduced, and the annual operation cost can be saved by more than 15 percent.
Description
Technical Field
The utility model relates to the field of refrigeration equipment, in particular to an integrated water-cooling direct-expansion unit.
Background
At present, the traditional direct expansion machine set has two types: the system comprises an air-cooled direct expansion unit and a water-cooled direct expansion unit, wherein the water-cooled direct expansion unit is provided with a cooling tower, a cooling water pump, a cooling water pipeline system and the like, so that the installation is complicated, the initial investment is large, the construction period is long, and the problems of poor matching performance among components and the like caused by non-professional type selection are often encountered. Despite the advantage of high energy efficiency, the engineering adoption rate is not high at present; although the air-cooled direct expansion unit does not have complex cooling water system equipment and pipelines, the air heat exchange coefficient is relatively low, so that the unit is more easily influenced by the temperature of the external environment, the condensation pressure of the unit is higher in high-temperature seasons, the overall operation efficiency is lower, the energy-saving effect is poorer, and the actual requirements of energy conservation and emission reduction at present are not met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provides an integrated water-cooling direct expansion unit which has the advantages of integration, energy conservation and one-key full-automatic operation.
The purpose of the utility model is completed by the following technical scheme: the integrated water-cooling direct-expansion unit comprises a compressor, a water-cooling condenser, an indoor side heat exchanger, an air conveying device, a throttling device, a cooling tower, a water pump, a control cabinet, a one-way valve, a water treatment device, a filter, an exhaust pipe, an air suction pipe, a liquid pipe A and a liquid pipe B; the water inlet of the water-cooled condenser is connected to the water outlet of the water pump through a one-way valve, the water inlet of the water pump is connected with the water outlet of the water treatment device, the water inlet of the water treatment device is connected to the water outlet of the cooling tower through a filter, and the water inlet of the cooling tower is connected to the water outlet of the water-cooled condenser through a pipeline to form a water cooling circulation system; the exhaust port of the indoor side heat exchanger is connected with the air inlet of the compressor through an air suction pipe and is used for discharging low-temperature and low-pressure gaseous refrigerant; the compressor is used for compressing the low-temperature low-pressure gaseous refrigerant into a high-temperature high-pressure gaseous refrigerant and discharging the high-temperature high-pressure gaseous refrigerant into an air inlet of the water-cooled condenser through an exhaust pipe; after water cooling circulation, the water-cooled condenser condenses the high-temperature and high-pressure gas refrigerant into a high-pressure liquid refrigerant, and the high-pressure liquid refrigerant is discharged into a liquid inlet of the throttling device through a liquid pipe B; the throttling device is used for throttling the high-pressure liquid refrigerant into a low-temperature low-pressure gas-liquid two-phase refrigerant, discharging the low-temperature low-pressure gas-liquid two-phase refrigerant into the indoor side heat exchanger through the liquid pipe A, exchanging heat with indoor air, and evaporating the low-temperature low-pressure gas-liquid two-phase refrigerant again to form a refrigerant circulating system; the air conveying device is arranged towards the indoor side heat exchanger and is used for being matched with the indoor side heat exchanger to carry out heat exchange; the control cabinet is respectively and electrically connected with the control compressor, the air conveying device, the throttling device, the cooling tower, the water pump and the water treatment device.
As a further technical scheme, the device also comprises a frame and a base, wherein a first layer of framework, a second layer of framework and a third layer of framework are sequentially arranged along the frame; the compressor, the water-cooled condenser, the throttling device, the water pump, the control cabinet, the one-way valve, the water treatment device, the filter and part of pipelines are arranged on the base and are used as a first-layer framework; the upper part of the first layer framework is provided with a water tray and a support frame, the indoor side heat exchanger is fixed above the water tray, and the air treatment device is arranged in front of the air inlet of the indoor side heat exchanger and serves as a second layer framework; the air conveying device, the motor thereof and the base support frame are used as a third layer of framework; the main body side three-layer framework frame is designed to be integrally embedded, and the outer side of the main body side three-layer framework frame is provided with a rain-proof and corrosion-proof panel.
As a further technical scheme, the cooling tower is installed in the frame in an embedded mode and comprises a water distributor, a fan and a water tank, the water distributor is arranged above the water tray, the fan is electrically connected and controlled by a control cabinet, the water tank is installed on the base, and the bottom of the water tank is connected with the filter.
As a further technical scheme, the water tank is a horn disk water tank, the water storage capacity can be reduced by the horn disk structure, the running weight of the unit is reduced, the bottom of the horn disk water tank is provided with an isolation vortex-preventing cover and a water-collecting tank, and the water-collecting tank is connected to the filter.
As a further technical scheme, a supporting bridge enclosure plate is arranged around the upper part of the water tray, filler is suspended on the supporting bridge enclosure plate, a double-layer indirect water distributor is arranged above the filler, and indirect water distribution can reduce the overall water distribution height of the cooling tower, so that the water inlet and return fall is reduced.
As a further technical scheme, a drawing type air inlet filter screen is arranged at an air inlet of the cooling tower. The filter screen that pull formula air inlet filter screen used can be followed filter screen frame and taken out from the left and right sides side pull of filter screen frame. Most attachments on the surface of the filter screen can be removed while the filter screen is drawn out, the filter screen can be reused without being cleaned, and the effect of quick cleaning is achieved.
The utility model has the beneficial effects that:
1. the complex cooling water system engineering of the water-cooling direct expansion unit is avoided, the construction period is shortened, each water system component is specially configured, the matching performance is good, and the ineffective waste is reduced;
2. the embedded cooling tower has a double-layer indirect water distributor at the top, so that the water distribution height is effectively reduced, the lift of a cooling water pump is reduced, and the power consumption of the water pump is reduced; the water tank with the horn disc is designed, so that the water storage capacity is low, and the running weight of the unit is lighter;
3. one-key full-automatic control is adopted, so that the human resource investment is reduced;
4. the one-stop highly integrated structure has compact layout and small occupied area; the noise is low, a special machine room is not needed, and areas with good ventilation environment, such as roofs, balconies, channels and the like, can be installed, so that precious land resources are saved;
5. the cooling tower is provided with a drawing type impurity removal filter screen device, so that external impurities are effectively prevented from entering the cooling tower to pollute cooling water, the cleaning and maintenance period of the cooling tower is prolonged, and the safe and effective operation of a subsequent system is ensured;
6. under the same application condition, the annual average running cost of the central air-conditioning system adopting the integrated water-cooling direct-expansion unit is reduced by more than 15 percent compared with that of the central air-conditioning system adopting the air-cooling direct-expansion unit;
7. according to customer's demand, can increase winter refrigeration function.
Drawings
FIG. 1 is a perspective view of the cooling tower of the present invention in the direction of the air intake surface.
Fig. 2 is a side perspective view of the present invention.
Fig. 3 is a schematic view of a connection structure of a water cooling cycle system and a refrigerant cycle system according to the present invention.
Description of reference numerals: the air conditioner comprises a compressor 1, a water-cooled condenser 2, an indoor side heat exchanger 3, an air conveying device 4, a throttling device 5, a cooling tower 6, a frame 7, a water pump 8, a base 9, a control cabinet 10, a one-way valve 11, a water treatment device 12, a filter 13, an exhaust pipe 14, an air suction pipe 15, a liquid pipe A16, a liquid pipe B17, a water tray 18, an air treatment device 19, a supporting bridge frame coaming 20, a double-layer indirect water distributor 21, a fan 22, a horn disc water tank 23, an isolation vortex-proof cover 24, a filler 25 and a drawing type air inlet filter screen 26.
Detailed Description
The utility model will be described in detail below with reference to the following drawings:
example (b): as shown in fig. 1 to 3, the integrated water-cooling direct expansion unit includes a compressor 1, a water-cooling condenser 2, an indoor side heat exchanger 3, an air delivery device 4, a throttling device 5, a cooling tower 6, a water pump 8, a control cabinet 10, a check valve 11, a water treatment device 12, a filter 13, an exhaust pipe 14, an air suction pipe 15, a liquid pipe a16 and a liquid pipe B17. Referring to fig. 3, the water inlet of the water-cooled condenser 2 is connected to the water outlet of the water pump 8 through the check valve 11, the water inlet of the water pump 8 is connected to the water outlet of the water treatment device 12, the water inlet of the water treatment device 12 is connected to the water outlet of the cooling tower 6 through the filter 13, and the water inlet of the cooling tower 6 is connected to the water outlet of the water-cooled condenser 2 through a pipeline, so as to form a water cooling circulation system. An exhaust port of the indoor side heat exchanger 3 is connected with an air inlet of the compressor 1 through an air suction pipe 15 and used for discharging low-temperature and low-pressure gaseous refrigerant; the compressor 1 is used for compressing low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, and discharges the gaseous refrigerant into the air inlet of the water-cooled condenser 2 through the exhaust pipe 14; the water-cooled condenser 2 condenses the high-temperature and high-pressure gas refrigerant into a high-pressure liquid refrigerant after water cooling circulation, and the high-pressure liquid refrigerant is discharged into a liquid inlet of the throttling device 5 through a liquid pipe B17; the throttling device 5 is used for throttling the high-pressure liquid refrigerant into a low-temperature low-pressure gas-liquid two-phase refrigerant, discharging the low-temperature low-pressure gas-liquid two-phase refrigerant into the indoor heat exchanger 3 through a liquid pipe a16, exchanging heat with indoor air, and evaporating the low-temperature low-pressure gas-liquid refrigerant again to form a refrigerant circulating system. The air conveying device 4 is arranged towards the indoor side heat exchanger 3 and is used for being matched with the indoor side heat exchanger 3 to carry out heat exchange; the control cabinet 10 is respectively and electrically connected with the compressor 1, the air conveying device 4, the throttling device 5, the cooling tower 6, the water pump 8 and the water treatment device 12, and the control cabinet 10 is controlled by the unit controller in a one-key full-automatic mode.
Further, as shown in fig. 1 and 2, the integrated water-cooling direct expansion unit further comprises a frame 7 and a base 9, wherein a first layer framework, a second layer framework and a third layer framework are sequentially arranged along the frame 7; the compressor 1, the water-cooled condenser 2, the throttling device 5, the water pump 8, the control cabinet 10, the one-way valve 11, the water treatment device 12, the filter 13 and part of pipelines are arranged on the base 9 and serve as a first-layer framework. The upper part of the first layer framework is provided with a water tray 18, a support frame and other components, the indoor side heat exchanger 3 is fixed above the water tray 18, and the air treatment device 19 is arranged in front of the air inlet of the indoor side heat exchanger 3 and serves as a second layer framework; the air conveying device 4, a motor thereof and a base supporting frame are used as a third layer of framework; the frame 7 of the main body side three-layer framework adopts an integral embedded design, and a rain-proof and corrosion-proof panel is arranged on the outer side of the frame 7.
The cooling tower 6 is designed to be of an embedded structure, is installed in the frame 7 in an embedded mode, and comprises a double-layer indirect water distributor 21, a fan 22, a horn disc water tank 23, an isolation vortex-proof cover 24, a filler 25 and a drawing type air inlet filter screen 26. The fan 22 is electrically connected and controlled by the control cabinet 10. The horn disk water tank 23 is arranged on the base 9, and the bottom of the horn disk water tank 23 is designed into a horn disk, so that the water storage capacity can be reduced, and the running weight of the unit can be reduced. An isolation vortex-preventing cover 24 and a water-collecting tank are arranged at the bottom of the horn disk, and the water-collecting tank is connected to the filter 13. A supporting bridge coaming 20 is arranged around the upper part of the water tray 18, a filler 25 is hung on the supporting bridge coaming 20, a double-layer indirect water distributor 21 is arranged above the filler 25, and the indirect water distribution can reduce the overall water distribution height of the cooling tower, thereby reducing the water inlet and return fall. A drawing type air inlet filter screen 26 is arranged at an air inlet of the cooling tower 6. The filter screen used by the pull-out air intake filter screen 26 can be pulled from the left side and the right side of the filter screen frame and taken out from the filter screen frame. Most attachments on the surface of the filter screen can be removed while the filter screen is drawn out, the filter screen can be reused without being cleaned, and the effect of quick cleaning is achieved. Because the whole cooling tower 6 adopts the embedded structural design, the water distribution height is low, the water inlet and return fall is small, the distance between the water inlet and return falls and the water-cooled condenser 2 is short, the water pump 8 can be configured with smaller lift, and the operation power consumption is reduced.
The working process of the utility model is as follows: this integral type water-cooling unit that directly expands includes water cooling circulation system and refrigerant circulation system, and water cooling circulation system is as follows: the water inlet of the water-cooled condenser 2 is connected to the water outlet of the water pump 8 through the one-way valve 11, the water inlet of the water pump 8 is connected to the water outlet of the water treatment device 12, the water inlet of the water treatment device 12 is connected to the water outlet of the cooling tower 6 through the filter 13, and the water inlet of the cooling tower 6 is connected to the water outlet of the water-cooled condenser 2 through a pipeline.
The refrigerant cycle process is as follows: the low-temperature low-pressure gaseous refrigerant from the indoor heat exchanger 3 enters the compressor 1 through the air suction pipe 15, is compressed into high-temperature high-pressure gaseous refrigerant by the compressor 1, then enters the water-cooled condenser 2 through the exhaust pipe 14, is condensed into high-pressure liquid refrigerant after exchanging heat with secondary refrigerant outside the heat exchange pipe of the water-cooled condenser 2, enters the throttling device 5 through the liquid pipe B17, is throttled into low-temperature low-pressure gas-liquid two-phase refrigerant, enters the indoor heat exchanger 3 through the liquid pipe A16, and is evaporated into low-temperature low-pressure gaseous refrigerant after exchanging heat with indoor air.
According to the utility model, through a one-stop integrated design, a refrigerant system adopting a water-cooled condenser, an indoor air conveying device, an indoor air processing device, a cooling water conveying and processing system, an embedded efficient cooling tower and the like are organically combined, and a one-key full-automatic control mode is adopted, so that the complicated and time-consuming water system engineering of a user is reduced, and the problems of poor matching performance of non-professional type-selection parts and the like can be further avoided. The rain-proof structure frame is arranged, a special machine room is not needed, the occupied area is compact, and the installation is convenient. The operation energy consumption and the initial investment cost of the central air-conditioning system are effectively reduced, and the annual operation cost can be saved by more than 15 percent.
It should be understood that equivalent alterations and modifications of the technical solution and the inventive concept of the present invention by those skilled in the art should fall within the scope of the appended claims.
Claims (6)
1. The utility model provides an integral type water-cooling unit that directly expands which characterized in that: the air conditioner comprises a compressor (1), a water-cooled condenser (2), an indoor side heat exchanger (3), an air conveying device (4), a throttling device (5), a cooling tower (6), a water pump (8), a control cabinet (10), a one-way valve (11), a water treatment device (12), a filter (13), an exhaust pipe (14), an air suction pipe (15), a liquid pipe A (16) and a liquid pipe B (17); the water inlet of the water-cooled condenser (2) is connected to the water outlet of the water pump (8) through the one-way valve (11), the water inlet of the water pump (8) is connected with the water outlet of the water treatment device (12), the water inlet of the water treatment device (12) is connected to the water outlet of the cooling tower (6) through the filter (13), the water inlet of the cooling tower (6) is connected to the water outlet of the water-cooled condenser (2) through a pipeline, and a water cooling circulation system is formed; an exhaust port of the indoor side heat exchanger (3) is connected with an air inlet of the compressor (1) through an air suction pipe (15) and used for discharging low-temperature and low-pressure gaseous refrigerant; the compressor (1) is used for compressing low-temperature low-pressure gaseous refrigerant into high-temperature high-pressure gaseous refrigerant, and the high-temperature high-pressure gaseous refrigerant is discharged into an air inlet of the water-cooled condenser (2) through an exhaust pipe (14); the water-cooled condenser (2) condenses the high-temperature and high-pressure gas refrigerant into a high-pressure liquid refrigerant after water cooling circulation, and the high-pressure liquid refrigerant is discharged into a liquid inlet of the throttling device (5) through a liquid pipe B (17); the throttling device (5) is used for throttling the high-pressure liquid refrigerant into a low-temperature low-pressure gas-liquid two-phase refrigerant, discharging the low-temperature low-pressure gas-liquid two-phase refrigerant into the indoor side heat exchanger (3) through the liquid pipe A (16), and evaporating the low-temperature low-pressure gas refrigerant into a low-temperature low-pressure gas refrigerant after exchanging heat with indoor air to form a refrigerant circulating system; the air conveying device (4) is arranged towards the indoor side heat exchanger (3) and is used for being matched with the indoor side heat exchanger (3) to carry out heat exchange; the control cabinet (10) is respectively and electrically connected with and controls the compressor (1), the air conveying device (4), the throttling device (5), the cooling tower (6), the water pump (8) and the water treatment device (12).
2. The integrated water-cooling direct expansion unit according to claim 1, characterized in that: the device also comprises a frame (7) and a base (9), wherein a first layer of framework, a second layer of framework and a third layer of framework are sequentially arranged along the frame (7); the compressor (1), the water-cooled condenser (2), the throttling device (5), the water pump (8), the control cabinet (10), the one-way valve (11), the water treatment device (12), the filter (13) and part of pipelines are arranged on the base (9) and serve as a first-layer framework; a water tray (18) and a support frame are arranged at the upper part of the first layer framework, the indoor side heat exchanger (3) is fixed above the water tray (18), and an air treatment device (19) is arranged in front of the air inlet of the indoor side heat exchanger (3) and serves as a second layer framework; the air conveying device (4) and the motor thereof are used as a third layer framework.
3. The integrated water-cooling direct expansion unit according to claim 2, characterized in that: the cooling tower (6) is installed in the frame (7) in an embedded mode, the cooling tower (6) comprises a water distributor, a fan (22) and a water tank, the water distributor is arranged above the water tray (18), the fan (22) is electrically connected and controlled through a control cabinet (10), the water tank is installed on the base (9), and the bottom of the water tank is connected with the filter (13).
4. The integrated water-cooling direct expansion unit according to claim 3, characterized in that: the water tank is a horn disk water tank (23), an isolation vortex-preventing cover (24) and a water collecting tank are arranged at the bottom of the horn disk water tank (23), and the water collecting tank is connected to the filter (13).
5. The integrated water-cooling direct expansion unit according to claim 3, characterized in that: a supporting bridge enclosing plate (20) is arranged around the upper portion of the water tray (18), a filler (25) is hung on the supporting bridge enclosing plate (20), and a double-layer indirect water distributor (21) is arranged above the filler (25).
6. The integrated water-cooling direct expansion unit according to claim 3, characterized in that: and a drawing type air inlet filter screen (26) is arranged at an air inlet of the cooling tower (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220209943.5U CN216924802U (en) | 2022-01-25 | 2022-01-25 | Integrated water-cooling direct-expansion unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220209943.5U CN216924802U (en) | 2022-01-25 | 2022-01-25 | Integrated water-cooling direct-expansion unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216924802U true CN216924802U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220209943.5U Active CN216924802U (en) | 2022-01-25 | 2022-01-25 | Integrated water-cooling direct-expansion unit |
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| CN (1) | CN216924802U (en) |
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2022
- 2022-01-25 CN CN202220209943.5U patent/CN216924802U/en active Active
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