CN114738866A - Compact assembled air conditioner - Google Patents
Compact assembled air conditioner Download PDFInfo
- Publication number
- CN114738866A CN114738866A CN202210273078.5A CN202210273078A CN114738866A CN 114738866 A CN114738866 A CN 114738866A CN 202210273078 A CN202210273078 A CN 202210273078A CN 114738866 A CN114738866 A CN 114738866A
- Authority
- CN
- China
- Prior art keywords
- air
- cabinet body
- air conditioner
- fixed
- cabinet
- 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.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/003—Ventilation in combination with air cleaning
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F7/00—Ventilation
- F24F7/007—Ventilation with forced flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/20—Casings or covers
- F24F2013/202—Mounting a compressor unit therein
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/22—Means for preventing condensation or evacuating condensate
- F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
- F24F2013/227—Condensate pipe for drainage of condensate from the evaporator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
The invention discloses a unit configuration scheme that a compact assembled air conditioner can realize one use and one standby, and two sets of air conditioner units can completely and independently operate; the structure frame of the assembled air conditioner is optimized, compressors of two sets of units are arranged on a frame at the bottom of a cabinet body, a centrifugal fan, an evaporator and the like are arranged on a middle-layer frame, and an air-cooled condenser, a cooling fan and the like are arranged at the top of the cabinet body; the motor of the refrigeration compressor adopts a direct and unloading combined starting mode, has small starting current and short process, is suitable for frequent start and stop of automatic operation, has an energy regulating function and saves the operation energy consumption; the periphery of the assembled air conditioner cabinet body is a maintenance space, daily maintenance and fault maintenance of the air conditioning unit can be realized by opening the cabinet door, and meanwhile, the compressor is arranged at the bottom so as to facilitate hoisting and replacing parts; the semi-closed refrigeration compressor is adopted, the running noise is low, the vibration is small, the shock absorber is additionally arranged, and the wall of the unit cabinet body is wrapped by heat preservation cotton and soundproof cotton.
Description
Technical Field
The invention relates to the field of petrochemical industry, in particular to a compact assembled air conditioner.
Background
Air conditioning is to regulate and control the temperature, humidity, cleanliness, air flow rate, etc. in one or more rooms and to supply a sufficient amount of fresh air. The platform and the ship air conditioning system in the field of oil and gas development are used for guaranteeing the life safety and health of operating personnel, improving the requirement of operating environment and providing a proper indoor environment for maintaining the operation of mechanical equipment.
For a semi-submersible oil and gas production platform far off the shore, an air conditioning system needs to be operated to ensure that rooms such as a ship control room, an emergency control room and the like are suitable for continuous and stable temperature and humidity environments. An air conditioning system for ensuring stable operation of a ballast control system needs to be provided with a set of air conditioning units capable of operating independently.
The existing air conditioning unit meets the configuration scheme of one use and one standby, and needs to occupy more deck area; some of the improper positions need to expand the deck or make an elevated platform to increase the structural support to realize arrangement.
Disclosure of Invention
The invention aims to solve the technical problem of providing a compact assembled air conditioner which can be used on a semi-submersible oil-gas production platform.
In order to solve the technical problems, the invention provides a compact assembled air conditioner which comprises a cabinet body and two sets of units, wherein the cabinet body is internally provided with a plurality of layers of frames, the units run independently, each set of units comprises a compressor, a centrifugal fan, an air return box, an electric exhaust adjusting air brake, an electric air supply adjusting air valve, an electric fresh air adjusting air brake, a fresh air fireproof air brake, a fresh air inlet salt mist filter, an air-cooled condenser and a cooling fan, the compressor is fixedly arranged on a bottom layer frame in the cabinet body, the outer side of the bottom layer side wall of the cabinet body is fixedly communicated with the air return box, an air inlet of the air return box is communicated with the atmosphere, and an air outlet of the air return box is fixedly communicated with the electric exhaust adjusting air brake; a centrifugal fan is fixed on the middle-layer frame inside the cabinet body and is communicated with an air supply electric adjusting air valve fixed outside the side wall of the cabinet body, a fresh air electric adjusting air brake is also fixed on the middle-layer frame inside the cabinet body and is communicated with a fresh air fireproof air brake fixed outside the side wall of the cabinet body, and the fresh air fireproof air brake is fixed and communicated with a fresh air port salt mist filter; and an air-cooled condenser is fixed on the top layer outside the cabinet body and communicated with the top layer, and a cooling fan is fixed on the top of the air-cooled condenser.
According to a preferred embodiment of the invention, a plurality of shock absorbers are fixedly arranged on the outer portion of the bottom layer of the cabinet body.
According to a preferred embodiment of the present invention, the assembled air conditioning unit further includes an evaporator fixed to the middle frame inside the cabinet.
According to a preferred embodiment of the present invention, the assembled air conditioning unit further comprises a water collection tray fixed below the evaporator.
According to a preferred embodiment of the present invention, the assembled air conditioning unit further includes a condensed water discharge pipe penetrating through a side wall of the middle layer of the cabinet and communicating with the water collection tray.
According to a preferred embodiment of the invention, the compressor is a semi-hermetic refrigeration compressor.
According to a preferred embodiment of the invention, the motor of the compressor is started in a direct and unloaded combination.
According to a preferable embodiment of the invention, the cabinet body is provided with openable and closable cabinet doors on the periphery.
According to a preferred embodiment of the invention, the inner wall of the cabinet body is provided with heat insulation cotton and sound insulation cotton.
According to a preferred embodiment of the invention, the assembled air conditioner also comprises a non-toxic environment-friendly refrigerant.
The invention has the technical effects that:
1. in the compact assembled air conditioner, a compressor is fixed on a bottom layer framework in a cabinet body, and the outer side of the bottom layer side wall of the cabinet body is communicated with an air return box and an electric exhaust adjusting air brake; a centrifugal fan, an air supply electric adjusting air valve, a fresh air electric adjusting air brake, a fresh air fireproof air brake and a fresh air port salt mist filter are fixed on a middle-layer frame in the cabinet body; an air-cooled condenser and a cooling fan are fixed on the top layer outside the cabinet body; through optimizing the structural framework of the assembled air conditioner, the beneficial effect that the assembled air conditioner can be used on a deep semi-submersible oil and gas production platform is achieved.
2. According to the compact assembled air conditioner, the compressor motor adopts a direct and unloading combined starting mode, the starting current is small, the process is short, and the beneficial effects of adapting to frequent starting and stopping of automatic operation and saving operation energy consumption are achieved.
3. The periphery of the compact assembled air conditioner is an operation and maintenance space, daily maintenance and fault maintenance of an air conditioning unit can be realized by opening a cabinet door, meanwhile, a compressor is arranged at the bottom to facilitate hoisting and replacing parts, a semi-closed refrigeration compressor is adopted and additionally provided with a shock absorber, heat insulation cotton and sound insulation cotton are wrapped inside a cabinet body of the unit, and therefore the compact assembled air conditioner is low in operation noise and small in vibration.
Drawings
Fig. 1 is a schematic front view of a compact packaged air conditioner according to the present invention;
fig. 2 is a plan view of a compact assembled type air conditioner according to the present invention;
FIG. 3 is a schematic view of the compact modular air conditioner of the present invention in the direction A;
FIG. 4 is a schematic view of the compact modular air conditioner of the present invention in the direction B;
FIG. 5 is a schematic view of the bottom layer of the compact modular air conditioner cabinet of the present invention;
fig. 6 is a schematic view of a condensate discharge pipe of a compact package type air conditioner according to the present invention;
FIG. 7 is a water seal of a compact assembled air conditioner according to the present invention;
fig. 8 is a water seal installation view of a compact package type air conditioner according to the present invention.
Reference numerals: 1-centrifugal fan; 2-an evaporator; 3-an expansion valve; 4-a temperature controller; 5-a low-voltage controller; 6-low pressure gauge; 7-high pressure gauge; 8-a high voltage controller; 9-a compressor; 10-an oil separator; 11-air cooling condenser; 12-axial fans (distributors); 13-a straight-through stop valve; 14-a safety valve; 15-a reservoir; 16-right angle stop valves; 17-drying the filter; 18-liquid viewing lens; 19-a solenoid valve; 20-an electric cabinet; 21-fresh air port salt mist filter; 22-fresh air fireproof air brake; 23-a fresh air electric adjusting air brake; 24-a return air electric adjusting air brake; 25-electrically adjusting an air brake for air exhaust; 26-air supply electric adjusting air brake; 27-air supply check damper; 28-air return box; 29-a condensate drain; 30-a shock absorber; 31-a cooling fan; 32-water seal.
Detailed Description
The present invention is further described with reference to the following drawings and specific examples so that those skilled in the art can better understand the present invention and can practice the present invention, but the examples are not intended to limit the present invention.
As shown in fig. 1 to 7, a compact assembled air conditioner includes a cabinet body with a multi-layer frame inside and two sets of units which run independently, the units include a compressor 9, a centrifugal fan 1, an air return box 28, an electric exhaust adjusting air brake 25, an electric air supply adjusting air valve 26, an electric fresh air adjusting air brake 23, a fresh air fireproof air brake 22, a fresh air inlet salt mist filter 21, an air-cooled condenser 11 and a cooling fan 31, the compressor 9 is fixedly arranged on a bottom layer frame inside the cabinet body, the outside of the bottom layer side wall of the cabinet body is also fixedly communicated with the air return box 28, the air inlet of the air return box 28 is communicated with the atmosphere, and the air outlet of the air return box 28 is fixedly communicated with the electric exhaust adjusting air brake 25; a centrifugal fan 1 is fixed on the middle-layer frame inside the cabinet body, the centrifugal fan 1 is communicated with an air supply electric adjusting air valve 26 fixed outside the side wall of the cabinet body, a fresh air electric adjusting air brake 23 is also fixed on the middle-layer frame inside the cabinet body, the fresh air electric adjusting air brake 23 is communicated with a fresh air fireproof air brake 22 fixed outside the side wall of the cabinet body, and the fresh air fireproof air brake 22 is fixed and communicated with a fresh air port salt mist filter 21; the top layer outside the cabinet body is fixed and communicated with an air-cooled condenser 11, and the top of the air-cooled condenser 11 is fixed with a cooling fan 31.
As shown in fig. 1 to 8, the compact package type air conditioner includes: the system comprises a compressor 9, an air-cooled condenser 11, an evaporator 2, an expansion valve 3, a fresh air electric adjusting air brake 23, a return air electric adjusting air brake 24, an exhaust air electric adjusting air brake 25, an air supply electric adjusting air brake 26, a fresh air port fireproof air brake 22, a fresh air port salt mist filter 21, an electric cabinet 20, a water seal 32 and a cabinet body.
The compact assembled air conditioner can realize a unit configuration scheme of one use and one standby, and the two air conditioner units can completely and independently operate; by optimizing the structural framework of the assembled air conditioner, the compressors 9 of the two sets of units are arranged on the framework at the bottom of the cabinet body, the centrifugal fan 1, the evaporator 2 and the like are arranged on the framework at the middle layer, and the air-cooled condenser 11, the cooling fan 31 and the like are arranged on the top of the cabinet body; the heat exchanger elements are made of copper, so that the heat transfer efficiency is high, the service life is long, and the refrigerant filling amount is small; the motor of the refrigeration compressor 9 adopts a direct and unloading combined starting mode, has small starting current and short process, is suitable for frequent start and stop of automatic operation, has an energy regulating function and saves operation energy consumption; adopting a non-toxic environment-friendly refrigerant Freon R134A; the periphery of the assembled air conditioner cabinet body is a maintenance space, daily maintenance and fault maintenance of the air conditioning unit can be realized by opening the cabinet door, and meanwhile, the compressor 9 is arranged at the bottom to facilitate hoisting and replacing parts; the semi-closed refrigeration compressor 9 is adopted, the running noise is low, the vibration is small, the shock absorber 30 is additionally arranged, and the wall of the unit cabinet body is wrapped by heat preservation cotton and soundproof cotton.
Each air port of the two air supply ports is provided with an air supply check air brake 27, so that the air return unit can be prevented from being mixed through the air supply ports without operating the air conditioner when one set of air conditioner operates; two return air inlets and two air outlets are provided with a return air electric adjusting air brake 24 and an exhaust air electric adjusting air brake 25 respectively, can be adjusted, and has the other function of closing the return air inlet and the air outlet of the air conditioner which does not run; the two fresh air ports are provided with a fresh air electric adjusting air brake 23, a fresh air fireproof air brake 22 and a fresh air port salt mist filter 21, and can be automatically shut off under the logical control of the platform if the fresh air ports are detected to have combustible gas.
The assembled air conditioning unit also comprises an evaporator, and the evaporator is fixed on the middle-layer frame in the cabinet body; the evaporator also comprises a water collecting tray which is fixed below the evaporator 2; and a condensed water discharge pipe 29, wherein the condensed water discharge pipe 29 penetrates through the side wall of the middle layer of the cabinet body and is communicated with the water collecting tray.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. The equivalent substitution or change made by the technical personnel in the technical field on the basis of the invention is all within the protection scope of the invention. The protection scope of the invention is subject to the claims.
Claims (10)
1. A compact assembled air conditioner comprises a cabinet body and two sets of units, wherein the cabinet body is internally provided with a plurality of layers of frames, the units run independently and comprise a compressor, a centrifugal fan, an air return box, an electric exhaust adjusting air brake, an electric air supply adjusting air valve, an electric fresh air adjusting air brake, a fresh air fireproof air brake, a fresh air inlet salt mist filter, an air-cooled condenser and a cooling fan, and the assembled air conditioner is characterized in that the compressor is fixedly arranged on a bottom layer frame in the cabinet body, the outer side of the bottom layer side wall of the cabinet body is fixedly communicated with the air return box, an air inlet of the air return box is communicated with the atmosphere, and an air outlet of the air return box is fixedly communicated with the electric exhaust adjusting air brake; a centrifugal fan is fixed on the middle-layer frame inside the cabinet body and is communicated with an air supply electric adjusting air valve fixed outside the side wall of the cabinet body, a fresh air electric adjusting air brake is also fixed on the middle-layer frame inside the cabinet body and is communicated with a fresh air fireproof air brake fixed outside the side wall of the cabinet body, and the fresh air fireproof air brake is fixed and communicated with a fresh air port salt mist filter; and an air-cooled condenser is fixed on the top layer outside the cabinet body and communicated with the top layer, and a cooling fan is fixed on the top of the air-cooled condenser.
2. The compact modular air conditioner as claimed in claim 1, wherein a plurality of shock absorbers are fixed to the outside of the bottom layer of the cabinet.
3. The compact modular air conditioner as claimed in claim 2, further comprising an evaporator fixed to the middle frame inside the cabinet.
4. A compact modular air conditioner as set forth in claim 3 and further comprising a water collection tray secured beneath the evaporator.
5. The compact modular air conditioner as claimed in claim 4, further comprising a condensate discharge pipe penetrating the side wall of the middle layer of the cabinet and communicating with the water collection tray.
6. A compact modular air conditioner according to claim 1 wherein said compressor is a semi-hermetic refrigeration compressor.
7. A compact modular air conditioner as claimed in claim 1 wherein the compressor motor is activated in a combination of direct and unloaded operation.
8. The compact modular air conditioner as recited in claim 1, wherein said cabinet body is provided with an openable and closable cabinet door at its periphery.
9. The compact modular air conditioner as claimed in claim 1, wherein the inner wall of the cabinet is provided with thermal insulation cotton and sound insulation cotton.
10. The compact modular air conditioner as claimed in claim 1, further comprising a non-toxic environmental refrigerant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210273078.5A CN114738866A (en) | 2022-03-18 | 2022-03-18 | Compact assembled air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210273078.5A CN114738866A (en) | 2022-03-18 | 2022-03-18 | Compact assembled air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114738866A true CN114738866A (en) | 2022-07-12 |
Family
ID=82277713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210273078.5A Pending CN114738866A (en) | 2022-03-18 | 2022-03-18 | Compact assembled air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114738866A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001099447A (en) * | 1999-09-30 | 2001-04-13 | Tokyo Electric Power Co Inc:The | Air cooled air conditioner equipped with leaked ammonia removal equipment |
| CN103017266A (en) * | 2012-12-10 | 2013-04-03 | 天津市法士豪制冷设备有限公司 | Refrigeration equipment |
| CN203980513U (en) * | 2014-06-30 | 2014-12-03 | 浙江盾安机电科技有限公司 | A kind of new blower fan group |
| CN204421228U (en) * | 2014-12-22 | 2015-06-24 | 山东绿特空调系统有限公司 | A kind of R290 cooling by wind |
| CN205119309U (en) * | 2015-09-28 | 2016-03-30 | 深圳浩金欧博空调制造有限公司 | Module unit economizer |
| CN205807715U (en) * | 2016-07-19 | 2016-12-14 | 广东吉荣空调有限公司 | Passenger boarding bridges for airplanes air-supply ground air conditioner unit |
| CN206670137U (en) * | 2017-03-13 | 2017-11-24 | 天津市声光制冷工贸有限公司 | A kind of refrigeration unit of monoblock type |
| CN108954604A (en) * | 2018-05-22 | 2018-12-07 | 北京艾尔绿能科技有限公司 | A kind of fresh air integral system of the comprehensive distribution of upper and lower level |
| CN209341504U (en) * | 2018-11-10 | 2019-09-03 | 浙江东大环境工程有限公司 | A kind of household fresh air purifying all-in-one machine |
| CN111829116A (en) * | 2020-07-27 | 2020-10-27 | 合肥天鹅制冷科技有限公司 | One-use one-standby air conditioning system |
-
2022
- 2022-03-18 CN CN202210273078.5A patent/CN114738866A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001099447A (en) * | 1999-09-30 | 2001-04-13 | Tokyo Electric Power Co Inc:The | Air cooled air conditioner equipped with leaked ammonia removal equipment |
| CN103017266A (en) * | 2012-12-10 | 2013-04-03 | 天津市法士豪制冷设备有限公司 | Refrigeration equipment |
| CN203980513U (en) * | 2014-06-30 | 2014-12-03 | 浙江盾安机电科技有限公司 | A kind of new blower fan group |
| CN204421228U (en) * | 2014-12-22 | 2015-06-24 | 山东绿特空调系统有限公司 | A kind of R290 cooling by wind |
| CN205119309U (en) * | 2015-09-28 | 2016-03-30 | 深圳浩金欧博空调制造有限公司 | Module unit economizer |
| CN205807715U (en) * | 2016-07-19 | 2016-12-14 | 广东吉荣空调有限公司 | Passenger boarding bridges for airplanes air-supply ground air conditioner unit |
| CN206670137U (en) * | 2017-03-13 | 2017-11-24 | 天津市声光制冷工贸有限公司 | A kind of refrigeration unit of monoblock type |
| CN108954604A (en) * | 2018-05-22 | 2018-12-07 | 北京艾尔绿能科技有限公司 | A kind of fresh air integral system of the comprehensive distribution of upper and lower level |
| CN209341504U (en) * | 2018-11-10 | 2019-09-03 | 浙江东大环境工程有限公司 | A kind of household fresh air purifying all-in-one machine |
| CN111829116A (en) * | 2020-07-27 | 2020-10-27 | 合肥天鹅制冷科技有限公司 | One-use one-standby air conditioning system |
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