CN213841224U - Air conditioner - Google Patents
Air conditioner Download PDFInfo
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- CN213841224U CN213841224U CN202021529734.6U CN202021529734U CN213841224U CN 213841224 U CN213841224 U CN 213841224U CN 202021529734 U CN202021529734 U CN 202021529734U CN 213841224 U CN213841224 U CN 213841224U
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- 238000005057 refrigeration Methods 0.000 claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 239000007921 spray Substances 0.000 claims description 9
- 238000005507 spraying Methods 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 11
- 239000000428 dust Substances 0.000 description 7
- 238000004378 air conditioning Methods 0.000 description 5
- 238000009423 ventilation Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013473 artificial intelligence Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses an air conditioner relates to refrigeration plant technical field, can combine compressor refrigeration and natural cooling, and long when the utilization of extension natural cooling reduces the refrigeration energy consumption of air conditioner. The air conditioner includes: the natural refrigeration system comprises an air-air heat exchanger, a fresh air pipeline, an exhaust pipeline, a return air pipeline, an air supply fan and an exhaust fan; the air-air heat exchanger comprises a fresh air channel and a return air channel, wherein one end of the fresh air channel is communicated with outdoor fresh air through a fresh air pipeline, the other end of the fresh air channel is communicated with outdoor air through an exhaust pipeline, one end of the return air channel is communicated with indoor return air through a return air pipeline, and the other end of the return air channel is communicated with the indoor through a supply air pipeline; the compressor refrigeration system comprises a compressor, a condenser, a throttling device and an evaporator which are sequentially communicated; the condenser is arranged in the exhaust pipeline, and the evaporator is arranged in the air supply pipeline. The utility model provides an air conditioner is used for computer lab cooling.
Description
Technical Field
The utility model relates to a refrigeration plant technical field especially relates to an air conditioner.
Background
With the innovation and development of distributed computing architectures such as artificial intelligence, cloud computing and big data, the data center serving as an information infrastructure bears larger and larger computing amount, and the construction scale of a data center machine room is continuously enlarged. Because the equipment in the data center (machine room) has large heat productivity and usually needs uninterrupted cooling all the year round, the proportion of the energy consumption of the air conditioning system of the machine room in the whole energy consumption of the data center is increased continuously.
In the related art, in order to effectively reduce energy consumption of an air conditioning system, a machine room usually employs a composite air conditioning system having a natural cooling function. In the low-temperature season, the machine room is refrigerated and regulated by utilizing a natural cold source (such as air cooling or water cooling) in the natural environment. In high-temperature seasons, the machine room is refrigerated and adjusted by the compressor. However, the natural refrigeration system and the compressor refrigeration system of the existing machine room air conditioner are separately arranged and respectively and independently operate, and the utilization rate of a natural cold source is low.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an air conditioner can combine compressor refrigeration and natural cooling, and long when the utilization of extension natural cooling reduces the refrigeration energy consumption of air conditioner.
In order to achieve the above object, the embodiments of the present invention adopt the following technical solutions:
an embodiment of the utility model provides an air conditioner, include: the natural refrigeration system comprises an air-air heat exchanger, a fresh air pipeline, an exhaust pipeline, a return air pipeline, an air supply fan and an exhaust fan; the air-air heat exchanger comprises a fresh air channel and a return air channel, wherein one end of the fresh air channel is communicated with outdoor fresh air through a fresh air pipeline, the other end of the fresh air channel is communicated with outdoor air through an exhaust pipeline, one end of the return air channel is communicated with indoor return air through a return air pipeline, and the other end of the return air channel is communicated with the indoor through a supply air pipeline; the compressor refrigeration system comprises a compressor, a condenser, a throttling device and an evaporator which are sequentially communicated; the condenser is arranged in the exhaust pipeline and is positioned on the front side of the exhaust fan; the evaporator is arranged in the air supply pipeline and is positioned on the front side of the air supply fan.
The embodiment of the utility model provides an air conditioner, when natural cooling system opened, outdoor new trend sent into the new trend passageway of air-to-air heat exchanger through the new trend pipeline, and the return air passageway of air-to-air heat exchanger is sent into through the return air pipeline to indoor return air, and outdoor new trend is the cooling of indoor return air through the air-to-air heat exchanger, and outdoor new trend after the intensification passes through the exhaust pipe way and discharges to outdoor environment in, and the indoor return air after the cooling sends into the computer lab through the blast pipe way in, for computer lab cooling. When the outdoor temperature is lower, the refrigeration requirement of the machine room can be met only by the natural refrigeration system. When the outdoor temperature is high and the refrigeration requirement of the machine room cannot be met only by using the natural refrigeration system, the compressor refrigeration system is started on the basis of starting the natural refrigeration system, and at the moment, the indoor return air cooled by the air-air heat exchanger flows through the evaporator to further cool the air flow and then is sent into the machine room; and the air flow of the exhaust pipeline is used for cooling the condenser. In the traditional machine room air conditioning system, when the outdoor temperature is higher, the refrigeration regulation can be carried out on the machine room only by using a compressor refrigeration system; the embodiment of the utility model provides an air conditioner when outdoor temperature is higher, can open natural cooling system and compressor refrigerating system simultaneously, and the air-air heat exchanger can reach and carry out the effect of precooling to indoor return air, then utilizes the evaporimeter to carry out the after-cooling for the air current through the precooling in the air supply pipeline to the messenger sends into the air current temperature in the computer lab and can satisfy the refrigeration demand of computer lab. On one hand, the utilization time of a natural cold source can be prolonged; on the other hand, the refrigeration load of a compressor refrigeration system can be reduced, the energy consumption of the compressor refrigeration system is reduced, and the overall refrigeration energy consumption of the air conditioner is further reduced; on the other hand, the evaporator is arranged in the air supply pipeline, and the condenser is arranged in the exhaust pipeline, so that the layout of the air conditioner is more compact and flexible, the arrangement quantity of parts such as pipelines and fans can be reduced, and the manufacturing cost of the air conditioner is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an air conditioner according to an embodiment of the present invention.
Reference numerals
11-air-to-air heat exchanger; 12-fresh air pipeline; 13-a vent line; 14-return air line; 15-air supply pipeline; 16-an air supply fan; 17-an exhaust fan; 18-a condenser; 19-an evaporator; 20-an atomizing spray head; 21-a water supply pipe; 22-a booster pump; 23-a first temperature sensor; 24-a second temperature sensor; 25-fresh air filter screen; 26-return air filter screen.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
An embodiment of the utility model provides an air conditioner, refer to fig. 1, include: the natural refrigeration system comprises an air-air heat exchanger 11, a fresh air pipeline 12, an exhaust pipeline 13, a return air pipeline 14, an air supply pipeline 15, an air supply fan 16 and an exhaust fan 17; the air-air heat exchanger 11 comprises a fresh air channel and a return air channel (not shown in the figure), wherein one end of the fresh air channel is communicated with outdoor fresh air through a fresh air pipeline 12, the other end of the fresh air channel is communicated with outdoor air through an exhaust pipeline 13, one end of the return air channel is communicated with indoor return air through a return air pipeline 14, and the other end of the return air channel is communicated with indoor through a supply air pipeline 15; the compressor refrigeration system comprises a compressor (not shown in the figure), a condenser 18, a throttling device (not shown in the figure) and an evaporator 19 which are sequentially communicated, wherein the condenser 18 is arranged in the exhaust pipeline 13 and is positioned on the front side of the exhaust fan 17; the evaporator 19 is provided in the air supply duct 15 and located on the front side of the air supply fan 16.
The embodiment of the utility model provides an air conditioner, when natural cooling system opened, outdoor new trend sent into the new trend passageway of air-to-air heat exchanger 11 through new trend pipeline 12, and indoor return air passes through the return air passageway that air-to-air heat exchanger 11 was sent into to return air pipeline 14, and outdoor new trend is the cooling of indoor return air through air-to-air heat exchanger 11, and outdoor new trend after the intensification discharges to outdoor environment through exhaust pipe way 13 in, and the indoor return air after the cooling sends into the computer lab through air supply pipeline 15 in, for the computer lab cooling. When the outdoor temperature is lower, the refrigeration requirement of the machine room can be met only by the natural refrigeration system. When the outdoor temperature is high and the refrigeration requirement of the machine room cannot be met only by using the natural refrigeration system, the compressor refrigeration system is started on the basis of starting the natural refrigeration system, at the moment, the indoor return air cooled by the air-air heat exchanger 11 flows through the evaporator 19, and the evaporator 19 further cools the air flow and then sends the air flow into the machine room. The condenser 18 is disposed in the exhaust duct 13, and the condenser 18 can be cooled by the airflow of the exhaust duct 13. In the traditional machine room air conditioning system, when the outdoor temperature is higher, the refrigeration regulation can be carried out on the machine room only by using a compressor refrigeration system; the embodiment of the utility model provides an air conditioner when outdoor temperature is higher, opens natural cooling system and compressor refrigerating system simultaneously, and air-air heat exchanger 11 can reach and carry out the effect of precooling to indoor return air, and then evaporimeter 19 carries out the after-cooling for the air current through the precooling in blast pipe way 15 to the messenger sends into the air current temperature in the computer lab and can satisfy the refrigeration demand of computer lab. On one hand, the utilization duration of a natural cold source (the cold energy of outdoor air) can be prolonged; on the other hand, the refrigeration load of the compressor refrigeration system can be reduced, the energy consumption of the compressor refrigeration system is reduced, and the overall refrigeration energy consumption of the air conditioner is further reduced; on the other hand, the evaporator 19 is arranged in the air supply pipeline 15, and the condenser 18 is arranged in the exhaust pipeline 13, so that the air conditioner is more compact in layout and reasonable in structure, the arrangement of the pipeline, the fan and the like can be reduced, and the manufacturing cost of the air conditioner is reduced.
In the present application, the air-air heat exchanger 11 refers to: the heat exchanger can realize gas and gas non-contact heat exchange. Illustratively, a plurality of ventilation pipes with intervals are arranged in the air-to-air heat exchanger 11 in an array mode, a return air channel is formed by a plurality of ventilation pipes, indoor return air circulates in the ventilation pipes, indoor return air can circulate outside the ventilation pipes, and outdoor fresh air and indoor return air exchange heat through pipe walls of the ventilation pipes. The condenser 18 is located on the front side of the exhaust fan 17, which means that: the condenser 18 is arranged at one side of the exhaust fan close to the air-air heat exchanger 11; the evaporator 19 is provided on the front side of the air supply fan 16: the evaporator 19 is provided on the side of the air blower 16 close to the air-to-air heat exchanger 11.
In some embodiments, referring to fig. 1, the free cooling system further comprises: the spray assembly comprises an atomizing nozzle 20 positioned on one side of the air-air heat exchanger 11, a water supply pipe 21 communicated with the atomizing nozzle 20, and a booster pump 22 arranged on the water supply pipe 21; the atomizer 20 is used for spraying to the fresh air channel. Spray assembly sprays in to the new trend passageway, and the shower water can carry out evaporation cooling to the new trend that gets into in the new trend passageway, makes the new trend temperature lower, and then promotes the heat exchanger efficiency of new trend and return air, promotes the utilization ratio to the nature cold source, reduces the energy consumption of air conditioner. For example, in a dry area, the atomizing nozzle 20 may be disposed above the air-air heat exchanger 11, and a water collecting tank may be disposed below the air-air heat exchanger for collecting shower water passing through the air-air heat exchanger, and the water supply pipe 21 is disposed away from the atomizing nozzle 20 and is communicated with the water collecting tank; in regions where water resources are abundant, such as beside rivers, the water supply pipe may lead directly into the filtered river water. The water circulation mode of the spraying assembly can be designed according to the position of a machine room and the abundance of water resources, and is not particularly limited.
In some embodiments, referring to fig. 1, the air conditioner further includes a control system including a first temperature sensor 23, a second temperature sensor 24, and a controller (not shown in the drawings). The first temperature sensor 23 is used for detecting the outdoor temperature, and for example, the first temperature sensor 23 may be disposed at the air inlet of the fresh air pipeline 12; the second temperature sensor 24 is used to detect the temperature of the return air in the room, and for example, referring to fig. 1, the second temperature sensor 24 may be disposed at the air inlet of the return air duct 14. The controller is configured to control the spray assembly to be turned on or off according to the temperature value measured by the first temperature sensor 23 and to control the compressor refrigeration system to be turned on or off according to the temperature value measured by the second temperature sensor 24.
For example, when the outdoor temperature measured by the first temperature sensor 23 is less than a first threshold, the controller controls the spray assembly to be closed, and at this time, the indoor return air is completely cooled by the outdoor fresh air; when the outdoor temperature measured by the first temperature sensor 23 is greater than the first threshold value, the controller controls the spray assembly to be turned on (the atomizer 20 and the booster pump 22 are turned on), and at this time, the air-air heat exchanger 11 cools down the indoor return air in an indirect evaporative cooling manner. When the indoor return air temperature measured by the second temperature sensor 24 is less than a second threshold value, the refrigerating capacity of the natural refrigerating system can meet the requirement of cooling the machine room, and at the moment, the controller controls the compressor refrigerating system to be in a shutdown state; when the indoor return air temperature measured by the second temperature sensor 24 is greater than the second threshold value, it indicates that the refrigeration and cooling requirements of the machine room cannot be met only by the natural refrigeration system, the controller controls the compressor refrigeration system to start working, and the evaporator 19 performs supplementary cooling and cooling on the air flow subjected to heat exchange by the heat exchanger, so as to reduce the temperature of the air flow sent into the machine room.
In some embodiments, referring to fig. 1, the air conditioner further includes a fresh air filter 25 and a return air filter 26. The fresh air filter screen 25 is arranged at the air inlet of the fresh air pipeline 12; the air-to-air heat exchanger is used for filtering outdoor dust and preventing the dust from blocking a fresh air channel of the air-to-air heat exchanger 11. The return air filter screen 26 is disposed at an air inlet of the return air pipeline 14, and is used for filtering dust in the return air in the room and preventing the dust from blocking a return air channel of the air handler 11.
In some embodiments, the air conditioner further includes an insect-proof net disposed on a side of the fresh air filtering net 25 close to the air inlet of the fresh air pipeline 12. The aperture of the meshes of the insect-proof net is larger than that of the fresh air filter net 25, and the insect-proof net is used for filtering out larger impurities outside the filter room, such as bird insects or leaves. Because fresh air pipeline 12 directly communicates outdoor space, outdoor dust and debris are more, and the insect-proof net can effectively reduce the probability that fresh air filter screen 25 blockked up, prolongs fresh air filter screen 25's life cycle and life.
In some embodiments, the control system of the air conditioner further includes a first differential pressure sensor, a second differential pressure sensor, and an alarm. The first pressure difference sensor is used for detecting the air pressure difference at two sides of the fresh air filter screen 25; the second differential pressure sensor is used for detecting the air pressure difference at two sides of the return air filter screen 26; the alarm is used for sending alarm information; the controller is electrically connected with the first differential pressure sensor, the second differential pressure sensor and the alarm respectively, and the controller is also configured to control the alarm to send out first alarm information according to the differential pressure value measured by the first differential pressure sensor and control the alarm to send out second alarm information according to the differential pressure value measured by the second differential pressure sensor.
Illustratively, when the differential pressure value measured by the first differential pressure sensor at the two sides of the fresh air filter screen 25 is greater than a first preset value, it indicates that the differential pressure at the two sides of the fresh air filter screen 25 is too large, that is, the obstruction of the fresh air filter screen 25 to the air flow is too large, and more dust is deposited on the fresh air filter screen 25, at this time, the controller controls the alarm to send out a first alarm signal, and the first alarm signal is used for reminding maintenance personnel of needing to replace or remove dust from the fresh air filter screen 25. The operation of the second differential pressure sensor is similar to that of the first differential pressure filter and will not be described herein.
In some embodiments, the air supply fan 16 and the air exhaust fan 17 are both variable frequency fans, and the air supply fan 16 and the air exhaust fan 17 are both electrically connected to the controller, so that the controller can accurately control the rotating speeds of the air supply fan 16 and the air exhaust fan 17 according to the actual refrigeration requirement of the machine room, thereby reducing the energy consumption of the air conditioner. In other embodiments, the booster pump 22 may alternatively be a variable frequency pump.
In some embodiments, the air-air heat exchanger 11 is made of a metal material with a high thermal conductivity to enhance the heat exchange efficiency of the air-air heat exchanger 11. Illustratively, the air-air heat exchanger 11 may be made of one of aluminum, aluminum alloy, copper, or copper alloy.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above embodiments are only specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. An air conditioner, comprising:
the natural refrigeration system comprises an air-air heat exchanger, a fresh air pipeline, an exhaust pipeline, a return air pipeline, an air supply fan and an exhaust fan; the air-air heat exchanger comprises a fresh air channel and a return air channel, one end of the fresh air channel is communicated with outdoor fresh air through a fresh air pipeline, the other end of the fresh air channel is communicated with outdoor air through an exhaust pipeline, one end of the return air channel is communicated with indoor return air through a return air pipeline, the other end of the return air channel is communicated with indoor through an air supply pipeline, the air supply fan is arranged in the air supply pipeline, and the exhaust fan is arranged in the exhaust pipeline;
the compressor refrigeration system comprises a compressor, a condenser, a throttling device and an evaporator which are sequentially communicated to form a closed loop; the condenser is arranged in the exhaust pipeline and is positioned on the front side of the exhaust fan; the evaporator is arranged in the air supply pipeline and is positioned at the front side of the air supply fan.
2. The air conditioner according to claim 1, wherein the natural cooling system further comprises:
the spray assembly comprises an atomizing nozzle positioned on one side of the air-air heat exchanger, a water supply pipe communicated with the atomizing nozzle, and a booster pump arranged on the water supply pipe; the atomizing nozzle is used for spraying to the fresh air channel.
3. The air conditioner of claim 2, further comprising a control system, the control system comprising:
the first temperature sensor is used for detecting the temperature of outdoor fresh air;
the second temperature sensor is used for detecting the temperature of indoor return air;
the controller is electrically connected with the first temperature sensor, the second temperature sensor, the spraying assembly and the compressor refrigeration system respectively; and the controller is configured to control the spray assembly to be turned on or off according to the temperature value measured by the first temperature sensor, and to control the compressor refrigeration system to be turned on or off according to the temperature value measured by the second temperature sensor.
4. The air conditioner according to claim 3, further comprising:
the fresh air filter screen is arranged at an air inlet of the fresh air pipeline;
the return air filter screen is arranged at the air inlet of the return air pipeline.
5. The air conditioner according to claim 4, further comprising:
the insect-proof net is arranged on one side, close to the air inlet of the fresh air pipeline, of the fresh air filter screen.
6. The air conditioner of claim 4, wherein the control system further comprises:
the first pressure difference sensor is used for detecting the air pressure difference at two sides of the fresh air filter screen;
the second differential pressure sensor is used for detecting the air pressure difference at two sides of the return air filter screen;
the alarm is used for sending out alarm information;
the controller is electrically connected to the first differential pressure sensor, the second differential pressure sensor and the alarm, and the controller is further configured to control whether the alarm issues a first alarm message according to the differential pressure value measured by the first differential pressure sensor and whether the alarm issues a second alarm message according to the differential pressure value measured by the second differential pressure sensor.
7. The air conditioner according to claim 1, wherein the supply fan and the exhaust fan are variable frequency fans.
8. The air conditioner according to claim 1, wherein the air-to-air heat exchanger is made of a metal material having a high thermal conductivity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021529734.6U CN213841224U (en) | 2020-07-27 | 2020-07-27 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021529734.6U CN213841224U (en) | 2020-07-27 | 2020-07-27 | Air conditioner |
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| CN213841224U true CN213841224U (en) | 2021-07-30 |
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| CN202021529734.6U Active CN213841224U (en) | 2020-07-27 | 2020-07-27 | Air conditioner |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606685A (en) * | 2021-08-09 | 2021-11-05 | 珠海格力电器股份有限公司 | Evaporation air conditioning equipment and machine room air conditioning system |
| CN114353194A (en) * | 2022-01-12 | 2022-04-15 | 武汉舒适易佰科技有限公司 | Energy-conserving intelligent central air conditioning constant temperature control system |
| CN114811850A (en) * | 2022-04-28 | 2022-07-29 | 苏州浪潮智能科技有限公司 | Air conditioner ice melting method and device and air conditioner |
-
2020
- 2020-07-27 CN CN202021529734.6U patent/CN213841224U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113606685A (en) * | 2021-08-09 | 2021-11-05 | 珠海格力电器股份有限公司 | Evaporation air conditioning equipment and machine room air conditioning system |
| CN113606685B (en) * | 2021-08-09 | 2022-07-12 | 珠海格力电器股份有限公司 | Evaporation air conditioning equipment and machine room air conditioning system |
| CN114353194A (en) * | 2022-01-12 | 2022-04-15 | 武汉舒适易佰科技有限公司 | Energy-conserving intelligent central air conditioning constant temperature control system |
| CN114811850A (en) * | 2022-04-28 | 2022-07-29 | 苏州浪潮智能科技有限公司 | Air conditioner ice melting method and device and air conditioner |
| CN114811850B (en) * | 2022-04-28 | 2023-09-08 | 苏州浪潮智能科技有限公司 | Air conditioner ice melting method and device and air conditioner |
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