CN213931242U - Water-cooling three-mode machine room air conditioner - Google Patents
Water-cooling three-mode machine room air conditioner Download PDFInfo
- Publication number
- CN213931242U CN213931242U CN202022236622.8U CN202022236622U CN213931242U CN 213931242 U CN213931242 U CN 213931242U CN 202022236622 U CN202022236622 U CN 202022236622U CN 213931242 U CN213931242 U CN 213931242U
- Authority
- CN
- China
- Prior art keywords
- water
- heat exchange
- exchange core
- indoor
- air
- 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
- Other Air-Conditioning Systems (AREA)
Abstract
A water-cooled three-mode machine room air conditioner comprises an indirect evaporation cold-heat exchanger system and a mechanical refrigeration system; the indirect evaporation heat and cold exchange system comprises a heat exchange core, a water tank, a circulating water pump, a water-cooled condenser, a water distributor, an indoor circulating fan and an outdoor circulating fan; the water tank is arranged below the heat exchange core body; the water distributor is arranged at the upper part of the heat exchange core body; the circulating water pump is arranged between the water tank and the inlet of the water medium channel of the water-cooled condenser through a pipeline, and the outlet of the water medium channel of the water-cooled condenser is communicated with the water distributor through a pipeline; the mechanical refrigeration system comprises a water-cooled condenser, a throttle valve, a compressor and an evaporator; the evaporator is arranged between the heat exchange core body and the indoor circulating fan.
Description
Technical Field
The application relates to the technical field of evaporative cooling, in particular to a water-cooling three-mode machine room air conditioner.
Background
An indirect evaporative air conditioning system for a data center generally comprises a water spraying system, an inner side air system, an outer side air system, a heat exchange core body for exchanging heat between inner side air and outer side air and an auxiliary cold supplementing system. And there are three main modes of operation: dry mode, wet mode + mixed mode of mechanical refrigeration (or other means of cold replenishment such as chilled water coil replenishment). When the application environment temperature is lower, the dry mode is operated, the water spraying system at the outer side of the unit is not started, and the air at the outer side of the unit and the air at the inner side of the unit are refrigerated through heat exchange by the heat exchange core body; when the application environment is mild, the wet mode is operated, the unit spraying system is started at the moment, and after water is evaporated to cool the air outside the room, heat exchange is carried out through the heat exchange core body, so that the temperature of the air inside the room is reduced; when the outdoor environment temperature is high in dry bulb temperature and high in wet bulb temperature, the spraying system and the auxiliary cold supplement system are started at the same time, and the unit runs a mixed mode.
On the basis of a conventional indirect evaporative cooling air conditioner structure, the mode of mechanical refrigeration by utilizing an evaporator and a cooler is switched with other modes by depending on an air valve connected with the evaporator in parallel, when the mechanical refrigeration is needed, the air valve is closed, and cooling air directly passes through the evaporator; when mechanical refrigeration is not needed, the air valve is opened, cooling air does not pass through the evaporator and directly passes through the air valve, but the structure is large in occupied space due to the fact that the structure is connected in parallel, the equipment structure is too complex, and cost reduction is not facilitated.
Disclosure of Invention
The utility model aims to overcome the technical problems of large occupied space and complex equipment structure of the existing indirect evaporative cooling air conditioner, and provides a water-cooling three-mode machine room air conditioner with compact structure and integrated design of indoor and outdoor units; this air conditioner combines computer lab air conditioning technology, utilizes water-cooled condenser, and the natural cold source of make full use of passes through the temperature that detects the evaporimeter front end in extreme weather, and intelligent control opens the proportion, when guaranteeing indoor temperature, and energy-conserving effect is best.
In order to achieve the above purpose, the technical scheme of the utility model is that: a water-cooled three-mode machine room air conditioner comprises an indirect evaporation cold-heat exchanger system and a mechanical refrigeration system; the indirect evaporation heat and cold exchange system comprises a heat exchange core, a water tank, a circulating water pump, a water-cooled condenser, a water distributor, an indoor circulating fan and an outdoor circulating fan; the heat exchange core comprises an indoor air circulation air channel and an outdoor air circulation air channel, and the indoor circulation fan is installed at an indoor air inlet of the indoor air circulation air channel of the heat exchange core; the outdoor circulating fan is arranged at an outdoor air outlet of an outdoor air circulating air duct of the heat exchange core body; the water tank is arranged below the heat exchange core body; the water distributor is arranged at the upper part of the heat exchange core body; the circulating water pump is arranged between the water tank and the inlet of the water medium channel of the water-cooled condenser through a pipeline, and the outlet of the water medium channel of the water-cooled condenser is communicated with the water distributor through a pipeline; the mechanical refrigeration system comprises a water-cooled condenser, a throttle valve, a compressor and an evaporator; the evaporator is arranged between the heat exchange core body and the indoor circulating fan; the evaporator, the compressor, the refrigerant channel of the water-cooled condenser and the throttle valve are connected in sequence through copper pipes to form a mechanical refrigeration system.
Furthermore, the heat exchange core comprises an indoor air circulation air duct and an outdoor air circulation air duct, and the indoor circulation fan is installed at an indoor air inlet of the indoor air circulation air duct of the heat exchange core; and the outdoor circulating fan is arranged at an outdoor air outlet of an outdoor air circulating air channel of the heat exchange core body.
Furthermore, the water distributor uniformly sprays water to the heat exchange core body through the spray head, the water is evaporated and cooled by the heat exchange core body, the heat exchange is enhanced, and water which is not evaporated flows into the water tank under the action of gravity.
Further, the indirect evaporation cold and heat exchanger system and the mechanical refrigeration system of the water-cooling three-mode machine room air conditioner are arranged in a shell.
Further, the heat exchange core body is an air-air heat exchanger.
Further, the compressor is a scroll compressor.
Further, the water-cooled condenser is a shell-and-tube heat exchanger or a plate heat exchanger.
Compared with the prior art, the utility model has the advantages of it is following: the indirect evaporative cooling technology is combined with the air conditioning technology, so that the air conditioner has the advantages of all machine room air conditioners, can be mutually backed up, and can improve the operation range under the wet working condition; the natural cold source can be fully utilized, the outdoor cold source is changed step by step, the temperature change is smoother, and the indoor temperature is more stable; compared with the existing indirect evaporative cooling system, the system saves water resources, has wider application range, can be used all the year round, and has more obvious energy-saving effect.
Drawings
Fig. 1 is the structural schematic diagram of the water-cooling three-mode machine room air conditioner of the present invention.
Fig. 2 is the utility model discloses cavity structure sketch map is cut apart to three mode computer lab air conditioners of water-cooling.
In the figure: 1. a heat exchange core body; 2. a water tank; 31. an outdoor air inlet chamber; 32. an outdoor air outlet chamber; 41. an indoor air inlet chamber; 42. an indoor air outlet chamber; 5. a fifth chamber; 51 a water tank placing cavity; 52. a water-cooled condenser placing cavity; 6. a water circulating pump; 7. a water-cooled condenser; 8. a water distributor; 9. a throttle valve; 10. a compressor; 11. an evaporator; 12. an outdoor air circulating fan; 13 indoor air circulating fan.
Detailed Description
The present invention is further illustrated by the following examples, which are only preferred embodiments of the present invention and are not intended to limit the present invention, and although the present invention has been described in detail with reference to the foregoing examples, it will be apparent to those skilled in the art that modifications and equivalents can be made to the technical solutions described in the foregoing examples or to some of the technical features 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.
Referring to fig. 1, the water-cooled three-mode air conditioner of the present invention includes an indirect evaporation heat exchanger system and a mechanical refrigeration system.
The indirect evaporation heat and cold exchange system comprises a heat exchange core body 1, a water tank 2, a circulating water pump 6, a water-cooled condenser 7, a water distributor 8, an indoor circulating fan 13 and an outdoor circulating fan 12; the heat exchange core body 1 comprises an indoor air circulation air channel and an outdoor air circulation air channel, and the indoor circulation fan 13 is installed at an indoor air inlet of the indoor air circulation air channel of the heat exchange core body 1; the outdoor circulating fan 12 is installed at an outdoor air outlet of the outdoor air circulating duct of the heat exchange core body 1. The water tank 2 is arranged below the heat exchange core body 1; the water distributor 8 is arranged at the upper part of the heat exchange core body 1; the circulating water pump 6 is arranged between the water tank 2 and an inlet of a water medium channel of the water-cooled condenser 7 through a pipeline, and an outlet of the water medium channel of the water-cooled condenser 7 is communicated with the water distributor 8 through a pipeline. Thus, the water in the water tank 2 is pumped by the circulating water pump 6, the water is firstly conveyed into the water medium channel of the water-cooled condenser 7 to exchange heat with the refrigerant in the refrigerant channel of the water-cooled condenser, the water after heat exchange is then conveyed to the water distributor 8, and the water is uniformly sprayed on the top of the heat exchange core 1 through the water distributor 8.
The mechanical refrigeration system comprises a water-cooled condenser 7, a throttle valve 9, a compressor 10 and an evaporator 11; the evaporator 11 is arranged between the heat exchange core body 1 and the indoor circulating fan 13; the evaporator 11, the compressor 10, a refrigerant channel of the water-cooled condenser 7 and the throttle valve 9 are connected in sequence through copper pipes to form a mechanical refrigeration system.
The working principle of the water-cooling three-mode machine room air conditioner is as follows: indoor hot air enters an indoor air circulating air channel of the heat exchange core body 1 through an indoor air outlet, outdoor air enters the outdoor air circulating air channel of the heat exchange core body 1 through an outdoor air inlet to exchange heat with the indoor hot air in the indoor air circulating air channel of the heat exchange core body 1, the indoor hot air is cooled for the first time, the outdoor air is heated, then the indoor cooled air directly enters an air channel of the evaporator 11 to exchange heat with a refrigerant in the evaporator 11 under the action of the indoor circulating fan 13, and the indoor air is cooled for the second time; finally, the indoor air subjected to secondary cooling is sent into an indoor air inlet and sent into the room to cool the indoor equipment;
the outdoor air heated by the indoor hot air in the heat exchange core 1 is directly discharged to the outside through the outdoor air circulating fan 12. Meanwhile, water in the water tank 2 enters a water medium channel of the water-cooled condenser 7 under the action of the circulating water pump 6 to exchange heat with a refrigerant in a refrigerant medium channel of the water-cooled condenser 7, and then is sent into the water distributor 8 through an outlet of the water medium channel of the water-cooled condenser 7, the water distributor 8 uniformly sprinkles water to the heat exchange core 1 through a spray head to evaporate and cool the heat exchange core 1, heat exchange is enhanced, water which is not evaporated flows into the water tank 2 under the action of gravity, and the process is repeated;
in the process of cooling the indoor air for the second time, the indoor air cooled for the first time by the heat exchange core body 1 exchanges heat with the refrigerant in the evaporator 11, the refrigerant in the evaporator 11 is heated, the heated refrigerant is sent into the refrigerant medium channel of the water-cooled condenser 7 to exchange heat with the water in the water medium channel of the water-cooled condenser 7 under the action of the compressor 10, and then returns to the evaporator through the throttle valve to cool the indoor air for the second time, and the process is repeated.
Referring to fig. 2, in order to achieve a compact structure, the inside of the unit is divided into 5 chambers by the partition plates, which are an outdoor air inlet chamber 31, an outdoor air outlet chamber 32, an indoor air inlet chamber 41, an indoor air outlet chamber 42, and a fifth chamber 5; the outdoor air inlet cavity 31 is distributed between the heat exchange core body 1 and the fifth cavity 5 and is communicated with the fifth cavity 5, and the outdoor air outlet cavity 32 is distributed at the upper part of the heat exchange core body 1; the indoor air inlet chamber 41 and the indoor air outlet chamber 42 are distributed in the middle of the left side and the right side of the heat exchange core body 1; the fifth chamber 5 is positioned at the bottom of the whole device, and the fifth chamber 5 is divided into a water tank placing cavity 51 and a water-cooled condenser placing cavity 52; the water tank placing cavity 51 is positioned at the lower part of the heat exchange core body 1, is arranged at the bottom in the unit and is used for placing the water tank 2, and the water-cooled condenser placing cavity 52 is positioned at the right side of the water tank placing cavity 51 and is used for placing the water-cooled condenser 7; the whole device utilizes the water tank 2 and the water-cooled condenser to move the gravity center of the whole machine downwards, so that the whole machine is stabilized.
The heat exchange core body 1 is an air-air heat exchanger, an outdoor air inlet of the heat exchange core body 1 is communicated with an outdoor air inlet chamber 31, and an outdoor air outlet is communicated with an outdoor air outlet chamber 32; the indoor air outlet is communicated with the indoor air inlet chamber 41, and the indoor air inlet is communicated with the indoor air outlet chamber 42; the outdoor circulating fan 12 is installed in the outdoor air outlet chamber 32 and supplies air towards the outdoor air outlet; the indoor circulating fan 13 is installed in the indoor air outlet chamber 42 and supplies air towards the indoor air inlet; the evaporator 11 is installed in the indoor air outlet chamber 42 and located between the heat exchange core 1 and the indoor circulating fan 13.
Thus, the outdoor air inlet chamber 31, the outdoor air channel of the heat exchange core body 1, the outdoor air outlet chamber 32, the outdoor circulating fan 12 and the outdoor air outlet constitute the outdoor crosswind circulating system for implementing outdoor air circulation.
Similarly, the indoor air inlet chamber 41, the indoor air channel of the heat exchange core 1, the air duct of the evaporator 11, the indoor air outlet chamber 42, the indoor circulating fan 13, and the indoor air inlet constitute the indoor air circulating system for implementing indoor air circulation.
The utility model discloses three mode computer lab air conditioner during operation of water-cooling have three kinds of mode, and indoor outer air directly carries out heat exchange mode, indirect evaporative cooling refrigeration mode and compressor system's secondary refrigeration mode promptly, and the outdoor natural cold source of the preferential maximize utilization of refrigeration mode in three improves the whole work efficiency of system and reaches energy-conserving effect.
The first mode of operation: when the outdoor temperature is lower, only the indoor air and the outdoor air are directly used for carrying out heat exchange, namely, only the indoor circulating fan 13 and the outdoor air circulating fan 12 are started; in this mode of operation: under the action of the indoor circulating fan 13, indoor hot air enters the indoor air channel of the heat exchange core 1 through the indoor air outlet and the indoor air inlet cavity 41, meanwhile, outdoor air enters the outdoor air channel of the heat exchange core 1 through the outdoor air inlet and the outdoor air inlet cavity 31 to exchange heat with the indoor hot air in the indoor air channel of the heat exchange core 1 under the action of the outdoor circulating fan 12, the indoor hot air is cooled, the outdoor air is heated, and then the indoor cooled air is directly sent to the indoor air supply outlet through the indoor air outlet cavity 42; meanwhile, the heated outdoor air is directly discharged to the outdoor through the outdoor air outlet chamber 32, and the circulation is repeated, so that the temperature reduction of the indoor air is completed.
The second working mode is as follows: when the outdoor temperature rises and the indoor and outdoor air directly carries out the heat exchange mode and cannot meet the requirement of cold quantity, the indirect evaporative cooling refrigeration mode is started to work, namely the indoor circulating fan 13, the outdoor air circulating fan 12 and the circulating water pump 6 are started simultaneously; the heat exchange working mode of the indoor air circulation and the outdoor air circulation is the same as that of the first working mode; the only difference is that the spraying circulation of water is increased, namely, the water in the water tank 2 is sent into the water distributor 8 through the water medium channel of the water-cooled condenser 7 under the action of the circulating water pump 6, the water distributor 8 uniformly sprays water to the heat exchange core body 1 through a spray head to evaporate and cool the heat exchange core body 1 and enhance heat exchange, the water which is not evaporated flows into the water tank 2 again under the action of gravity, and the water is circulated repeatedly in this way to meet the requirement of indoor cold quantity.
The third mode of operation: when the weather of outdoor temperature is higher such as summer, the indirect evaporative cooling refrigeration mode can't satisfy indoor cold volume demand, opens compressor system's secondary refrigeration mode, on the basis of indirect evaporative cooling refrigeration mode work, opens compressor 9, and compressor 9 adopts frequency conversion compressor, through detecting the temperature through the indoor hot-air of indirect evaporative cooling refrigeration mode work cooling, the proportion is opened in intelligent control. Thus, under the action of the indoor circulating fan 13, indoor hot air enters the indoor air channel of the heat exchange core 1 through the indoor air outlet and the indoor air inlet cavity 41, meanwhile, outdoor air enters the outdoor air channel of the heat exchange core 1 through the outdoor air inlet and the outdoor air inlet cavity 31 to exchange heat with the indoor hot air in the indoor air channel of the heat exchange core 1 under the action of the outdoor circulating fan 12, the indoor hot air is cooled once, the outdoor air is heated, then the indoor cooled air enters the air channel of the evaporator 11 in the indoor air outlet cavity 42 to exchange heat with the refrigerant in the evaporator 11, the indoor air is cooled secondarily, and the indoor air cooled secondarily is sent to the indoor air inlet; the outdoor air heated by the indoor hot air in the heat exchange core 1 is directly discharged to the outside through the outdoor air circulating fan 12. Meanwhile, water in the water tank 2 enters the water medium channel of the water-cooled condenser 7 under the action of the circulating water pump 6 to exchange heat with the refrigerant in the refrigerant medium channel of the water-cooled condenser 7, and then is sent to the water distributor 8 through the water medium channel outlet of the water-cooled condenser 7, the water distributor 8 uniformly sprinkles water to the heat exchange core 1 through a spray head to evaporate and cool the heat exchange core 1, heat exchange is enhanced, water which is not evaporated flows into the water tank 2 under the action of gravity, and the circulation is repeated. Meanwhile, in the process of secondary cooling of the indoor air, the indoor air cooled once through the heat exchange core 1 exchanges heat with the refrigerant in the evaporator 11, the refrigerant in the evaporator 11 is heated, the heated refrigerant is sent into the refrigerant medium channel of the water-cooled condenser 7 to exchange heat with the water in the water medium channel of the water-cooled condenser 7 under the action of the compressor 10, and then returns to the evaporator through the throttle valve 9 to carry out secondary cooling on the indoor air for 11 times, and the process is repeated.
Further, the compressor is a scroll compressor.
Further, the water-cooled condenser is a shell and tube heat exchanger or plate heat exchange.
The water-cooling three-mode machine room air conditioning unit of the embodiment has the following advantages as a whole:
1. adopt the cooling water refrigeration, efficiency is higher, and the energy efficiency ratio is more than 10:
compared with indirect evaporation cooling, the system does not need chilled water, only needs cooling water, can meet the supply of water by tap water in a building, has less water consumption and saves water resources to the maximum extent; compared with the existing machine room air conditioner, the compressor works in a variable frequency mode, the outdoor unit adopts a water cooling mode, a natural cold source is utilized to the maximum extent, the opening of the compressor is reduced, and the efficiency is higher;
2. the indirect evaporation cooling is adopted, and the dry evaporation cooling can be directly adopted at extremely low temperature, so that a natural cold source is utilized to the maximum extent, and the energy is saved;
3. adopt water-cooled condenser, possess all computer lab air conditioners's advantage, can each other be for backup and can improve wet operating mode operating range again:
at low temperature, dry evaporation cooling is directly adopted, namely a spraying device and a compressor system are closed, indoor air and outdoor air directly exchange heat in a heat exchange core body, and the mode utilizes a natural cold source, so that the efficiency is high, and energy is saved; secondly, in a transition season, the compressor system is closed, and the spraying system is started, so that the operation range of the high-humidity working condition and the operation efficiency of the unit are further improved; meanwhile, the outdoor temperature is high, the spraying system and the compressor are started simultaneously for refrigeration, the compressor works in a variable frequency mode, and an outer unit for refrigeration of the compressor adopts a water-cooled condenser, so that the efficiency is high. The three modes are mutually backed up, and the operation range of the wet working condition can be improved;
4. all-in-one design, simple to operate:
the whole device is positioned in one shell, the structure is compact, the problem that the installation distance of the outdoor unit of the existing indoor unit is long is solved, and the installation is convenient.
It should be noted that, for the sake of simplicity, the foregoing embodiments are all expressed as components or component combinations, but those skilled in the art should understand that the present application is not limited by the names of the described components, because according to the present application, some components can achieve the functions of the corresponding components described above and are within the protection scope of the present application. Further, those skilled in the art will also appreciate that the embodiments described in the specification are preferred embodiments and that the components referred to are not necessarily required for the application.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present application, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The foregoing is only a preferred embodiment of the present application and it should be noted that those skilled in the art can make several improvements and modifications without departing from the principle of the present application, and these improvements and modifications should also be considered as the protection scope of the present application.
Claims (7)
1. A water-cooling three-mode machine room air conditioner is characterized by comprising an indirect evaporation cold-heat exchanger system and a mechanical refrigeration system;
the indirect evaporation heat and cold exchange system comprises a heat exchange core, a water tank, a circulating water pump, a water-cooled condenser, a water distributor, an indoor circulating fan and an outdoor circulating fan;
the water tank is arranged below the heat exchange core body; the water distributor is arranged at the upper part of the heat exchange core body;
the circulating water pump is arranged between the water tank and the inlet of the water medium channel of the water-cooled condenser through a pipeline, and the outlet of the water medium channel of the water-cooled condenser is communicated with the water distributor through a pipeline;
the mechanical refrigeration system comprises a water-cooled condenser, a throttle valve, a compressor and an evaporator; the evaporator is arranged between the heat exchange core body and the indoor circulating fan; the evaporator, the compressor, the refrigerant channel of the water-cooled condenser and the throttle valve are connected in sequence through copper pipes to form a mechanical refrigeration system.
2. The water-cooled three-mode machine room air conditioner according to claim 1, wherein the heat exchange core comprises an indoor air circulation air duct and an outdoor air circulation air duct, and the indoor circulation fan is installed at an indoor air inlet of the indoor air circulation air duct of the heat exchange core; and the outdoor circulating fan is arranged at an outdoor air outlet of an outdoor air circulating air channel of the heat exchange core body.
3. The water-cooled three-mode room air conditioner according to claim 1, wherein the indirect evaporative heat exchanger system and the mechanical refrigeration system of the water-cooled three-mode room air conditioner are installed in one housing.
4. The water-cooled three-mode machine room air conditioner as claimed in claim 1, wherein the water distributor sprays water uniformly to the heat exchange core through the spray head to evaporate and cool the heat exchange core and enhance heat exchange, and water which is not evaporated flows into the water tank again under the action of gravity.
5. The water-cooled three-mode machine room air conditioner according to claim 1, wherein the heat exchange core is an air-to-air heat exchanger.
6. The water-cooled three-mode machine room air conditioner according to claim 1, wherein the compressor is a scroll compressor.
7. The water-cooled three-mode machine room air conditioner according to claim 1, wherein the water-cooled condenser is a shell-and-tube heat exchanger or a plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022236622.8U CN213931242U (en) | 2020-10-10 | 2020-10-10 | Water-cooling three-mode machine room air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022236622.8U CN213931242U (en) | 2020-10-10 | 2020-10-10 | Water-cooling three-mode machine room air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213931242U true CN213931242U (en) | 2021-08-10 |
Family
ID=77161846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022236622.8U Active CN213931242U (en) | 2020-10-10 | 2020-10-10 | Water-cooling three-mode machine room air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213931242U (en) |
-
2020
- 2020-10-10 CN CN202022236622.8U patent/CN213931242U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110748970B (en) | Air conditioning system and control method thereof | |
| CN110748969B (en) | Air conditioning system and control method thereof | |
| CN109764434B (en) | Semi-pressed evaporative cooling multi-temperature water chilling unit and air conditioner thereof | |
| CN110131816B (en) | Auxiliary machinery refrigerated water side evaporative cooling system | |
| CN211792609U (en) | Indirect evaporative cooling air conditioning unit for data center | |
| CN101216225A (en) | Double temperature cold water/cold air unit | |
| CN215832072U (en) | Refrigerating system switching structure for isothermal dehumidification and air cooler | |
| CN112254236B (en) | Indirect evaporative cooling cold water system combining mechanical refrigeration and switching method | |
| CN112146211A (en) | Water-cooling three-mode machine room air conditioner | |
| CN111295084A (en) | Indirect evaporative cooling air conditioning unit using condenser and evaporator | |
| CN113218048B (en) | Multi-connected air conditioning system and operation control method | |
| CN111594962B (en) | Energy-saving indirect evaporative cooling air conditioning unit with fluorine pump and control method | |
| CN212253005U (en) | Anti-freezing type indirect evaporative cooling air conditioning unit | |
| CN102734973A (en) | Special dual-temperature high efficiency water source heat pump unit for capillary radiation air conditioning system | |
| CN202254036U (en) | Recycling compact evaporative cooling air conditioning unit | |
| CN217584935U (en) | Refrigerating device and cooling system | |
| CN213931242U (en) | Water-cooling three-mode machine room air conditioner | |
| CN213514206U (en) | Energy-saving indirect evaporative cooling air conditioning unit with fluorine pump | |
| CN211982388U (en) | Container type indirect evaporation cooling air conditioning unit | |
| CN102734878A (en) | High-efficiency dual-temperature air source heat pump assembly dedicated to capillary radiation air-conditioning system | |
| CN209084968U (en) | The cooling more warm water coolers of half forced evaporation and its air-conditioning device | |
| CN201093644Y (en) | Integrated type water cool and water circle domestic central air conditioner | |
| CN110594898A (en) | Machine room water-saving air conditioning system with closed cooling water and chilled water capable of running in series | |
| CN216844940U (en) | Data center heat exchange system based on multi-split air conditioner | |
| CN218820756U (en) | Air conditioning system with hot water module and base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |