CN211261464U - Air conditioning unit for granary with temperature and humidity regulation and fresh air function - Google Patents
Air conditioning unit for granary with temperature and humidity regulation and fresh air function Download PDFInfo
- Publication number
- CN211261464U CN211261464U CN201922226468.3U CN201922226468U CN211261464U CN 211261464 U CN211261464 U CN 211261464U CN 201922226468 U CN201922226468 U CN 201922226468U CN 211261464 U CN211261464 U CN 211261464U
- Authority
- CN
- China
- Prior art keywords
- air
- conditioning unit
- granary
- cavity
- air conditioning
- 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
- Ventilation (AREA)
Abstract
The utility model provides an air conditioning unit for granary with temperature and humidity control and new trend function. The air conditioning unit for the granary comprises a frame, wherein an air treatment cavity at the lower layer, an air supply cavity, an air exhaust cavity and an air return cavity are formed in the frame and are positioned above the air treatment cavity. The utility model provides an air conditioning unit for granary with temperature humidity control and new trend function, with the air treatment chamber, the air supply chamber, the exhaust chamber, return air chamber rational arrangement, furthest's reduction unit's occupation space, and with the forced draught blower, preheat coil pipe, cooling coil pipe and heating coil pipe set gradually and form the optimal combination scheme and optimize and arrange, reduce length, all concentrate inside the frame with business turn over water pipe simultaneously, the piping of having overcome conventional scheme reveals in the box outside, the unit width is wide, area is big, and the piping is damaged by the problem easily in the construction, furthest's reduction unit volume, thereby satisfy the operation requirement of adverse circumstances such as ship.
Description
Technical Field
The utility model relates to a grain storage device's air treatment equipment technical field, especially an air conditioning unit for granary with temperature and humidity control and new trend function.
Background
When the ship sails in the ocean, a large amount of grains need to be carried, and life guarantee is provided for crews. In order to ensure that the grains can be stored for a long time, a special grain warehouse air conditioning device needs to be designed for ensuring reasonable temperature and humidity in the warehouse, the space of the ship is precious, the requirement on the volume of equipment is strict, and a driven air conditioning unit cannot be directly applied to the ship due to overlarge volume and weight.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the volume of a transmission air conditioning unit is too large and cannot be directly applied because the space of a ship is precious, the air conditioning unit for the granary is ensured to meet the requirement of the ship.
The utility model provides an air conditioning unit for granary, includes the frame, the frame is inside to be formed with the air handling chamber that is in the lower floor and to be in air supply chamber, exhaust chamber and the return air chamber of air handling chamber top, be provided with the fresh air mouth on the air handling chamber, the air supply chamber with air handling chamber intercommunication, the return air chamber have with air exhaust chamber intercommunication and with the first state of air handling chamber disconnection and with air handling chamber intercommunication and with the second state of air exhaust chamber disconnection, exhaust chamber with the fresh air mouth all communicates with the outside air.
The air return cavity is provided with an air return valve and an air exhaust valve, the air return valve is in a closed state and the air exhaust valve is in an open state during a first state, and the air exhaust valve is in a closed state and the air return valve is in an open state during a second state.
The air conditioning unit for the granary is provided with a closed circulation mode and a ventilation mode:
in the closed circulation mode, the air return valve is opened, the exhaust valve and the fresh air inlet are closed, and the gas in the granary flows back to the granary through the air return cavity, the air treatment cavity and the air supply cavity in sequence;
in the ventilation mode, the air return valve is closed, the exhaust valve and the fresh air port are opened, air in the granary sequentially passes through the air return cavity and the exhaust cavity and then enters the outside, and outside air sequentially passes through the fresh air port, the air treatment cavity and the air supply cavity and then flows into the granary.
The air supply cavity, the air exhaust cavity and the air return cavity are sequentially arranged along the length direction of the frame, and the air return cavity is positioned between the fresh air port and the air exhaust cavity.
The air treatment intracavity is followed the length direction of frame has set gradually forced draught blower, preheating coil, cooling coil and heating coil, the air intake of forced draught blower with the return air chamber with the fresh air inlet switches the intercommunication.
Be provided with the cold water valve on the cooling coil, be provided with the hot water valve on the heating coil, just air conditioning unit for the granary has first preset temperature and the second preset temperature, the second preset temperature is greater than first preset temperature, and is passing through the air current temperature of forced draught blower is less than during first preset temperature, the hot water valve is full-open just the cold water valve is full-closed, is passing through the air current temperature of forced draught blower is higher than during the second preset temperature, the hot water valve is full-closed just the cold water valve is full-open, is passing through the air current temperature of forced draught blower is in first preset temperature with during the second preset temperature between, the aperture of hot water valve with the aperture dynamic adjustment of cold water valve.
And when the temperature of the environment where the air conditioning unit for the granary is located is lower than 0 ℃, preheating by the preheating coil.
The granary air conditioning unit further comprises a third preset temperature, the third preset temperature is larger than 0 ℃ and smaller than the first preset temperature, and when the temperature of the environment where the granary air conditioning unit is located is higher than the third preset temperature, the preheating coil stops preheating.
The temperature value of the first preset temperature is 8 ℃, the temperature value of the second preset temperature is 16 ℃, and the temperature value of the third preset temperature is 6 ℃.
The preheating coil the cooling coil with heating coil all is provided with business turn over water pipe, all business turn over water pipe all set up in inside the frame, and all the tip of business turn over water pipe exposes in the outside of frame.
The air conditioning unit for the granary further comprises an electric cabinet, wherein the electric cabinet is arranged between the air supply cavity and the air exhaust cavity, and the electric cabinet is fixedly arranged on the air supply cavity.
An exhaust fan is arranged in the exhaust cavity, and the exhaust fan is in a working state in the ventilation mode.
The air conditioning unit for the granary further comprises a remote control mechanism, wherein the remote control mechanism is arranged in the electric cabinet and is communicated with a superior monitoring system.
And a humidifier is also arranged in the air treatment cavity.
The air conditioning unit for the granary is applied to an offshore platform, a ship or a land grain depot.
The utility model provides an air conditioning unit for granary with temperature humidity control and new trend function, with the air treatment chamber, the air supply chamber, the exhaust chamber, return air chamber rational arrangement, furthest's reduction unit's occupation space, and with the forced draught blower, preheat coil pipe, cooling coil pipe and heating coil pipe set gradually and form the optimal combination scheme and optimize and arrange, reduce length, all concentrate inside the frame with business turn over water pipe simultaneously, the piping of having overcome conventional scheme reveals in the box outside, the unit width is wide, area is big, and the piping is damaged by the problem easily in the construction, furthest's reduction unit volume, thereby satisfy the operation requirement of adverse circumstances such as ship.
Drawings
Fig. 1 is a schematic structural view of an air conditioning unit for a granary according to an embodiment of the air conditioning unit for a granary provided by the present invention and having temperature and humidity adjustment and fresh air functions;
in the figure:
1. a frame; 2. an air treatment chamber; 3. an air supply cavity; 4. an exhaust chamber; 5. an air return cavity; 51. a return air valve; 52. an exhaust valve; 21. a fresh air port; 22. a blower; 23. preheating a coil pipe; 24. A cooling coil; 25. a heating coil; 6. an exhaust fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The air conditioning unit for the granary as shown in figure 1 comprises a frame 1, wherein an air processing cavity 2 at the lower layer and an air supply cavity 3, an air exhaust cavity 4 and a return air cavity 5 which are positioned above the air processing cavity 2 are formed inside the frame 1, a fresh air port 21 is arranged on the air processing cavity 2, the air supply cavity 3 is communicated with the air processing cavity 2, the return air cavity 5 has a first state which is communicated with the air exhaust cavity 4 and disconnected with the air processing cavity 2 and a second state which is communicated with the air processing cavity 2 and disconnected with the air exhaust cavity 4, the air exhaust cavity 4 and the fresh air port 21 are both communicated with the outside air, the air processing cavity 2 and the air supply cavity 3, the air exhaust cavity 4 and the return air cavity 5 are arranged up and down, the air processing cavity 2 with an overlarge size requirement is arranged in parallel with the air supply cavity 3, the air exhaust cavity 4 and the return air cavity 5 with a small size requirement, thereby guarantee that the box outward appearance is neat one, the size is compact, area is minimum, sets the form that switches the intercommunication into with air exhaust chamber 4 and air treatment chamber 2 with return air chamber 5 simultaneously, can reduce the shared space of return air structure when guaranteeing that gas airs exhaust or handle as required in the granary to furthest's reduction is air conditioning unit's for the granary volume.
Be provided with return air valve 51 and exhaust valve 52 on the return air chamber 5, and during the first state, return air valve 51 is in the closed condition just exhaust valve 52 is in the open mode during the second state, exhaust valve 52 is in the closed condition just return air valve 51 is in the open mode, through return air valve 51 and exhaust valve 52's switching, controls the flow direction of gas in the granary to satisfy the ventilation of granary and atmospheric control's purpose.
The air conditioning unit for the granary is provided with a closed circulation mode and a ventilation mode:
in the closed circulation mode, the air return valve 51 is opened, the exhaust valve 52 and the fresh air inlet 21 are closed, the air in the granary sequentially flows back to the granary through the air return cavity 5, the air treatment cavity 2 and the air supply cavity 3, only the air in the granary is subjected to temperature and humidity control at the moment, and fresh air does not flow in;
in the ventilation mode, the air return valve 51 is closed, the exhaust valve 52 and the fresh air inlet 21 are both opened, air in the granary enters the outside after sequentially passing through the air return cavity 5 and the exhaust cavity 4, and outside air flows into the granary after sequentially passing through the fresh air inlet 21, the air treatment cavity 2 and the air supply cavity 3, so that the aim of ventilation in the granary is fulfilled.
The air supply cavity 3, the air exhaust cavity 4 and the air return cavity 5 are sequentially arranged along the length direction (the left and right direction in figure 1) of the frame 1, and the air return cavity 5 is positioned between the fresh air port 21 and the air exhaust cavity 4, so that the air supply cavity 3, the air exhaust cavity 4 and the air return cavity 5 are reasonably arranged, and the unit is ensured to be neat in appearance and compact in size.
Follow in the air handling chamber 2 the length direction of frame 1 has set gradually forced draught blower 22, preheating coil 23, cooling coil 24 and heating coil 25, forced draught blower 22 the air intake with return air chamber 5 with fresh air inlet 21 switches the intercommunication to the return air that makes the granary and the processing back entering air-supplying chamber 3 that the new trend of external world all can pass through preheating coil 23, cooling coil 24 and heating coil 25 under forced draught blower 22's the transport effect, thereby guarantee to get into the humiture of the gas in the granary and satisfy the demand of granary.
Be provided with the cold water valve on the cooling coil 24, be provided with the hot water valve on the heating coil 25, just the air conditioning unit for the granary has first preset temperature and second preset temperature, the second preset temperature is greater than first preset temperature, and is passing through the air current temperature of forced draught blower 22 is less than when first preset temperature, the hot water valve is full-open just the cold water valve is full-closed, is passing through the air current temperature of forced draught blower 22 is higher than when the second preset temperature, the hot water valve is full-closed just the cold water valve is full-open, is passing through the air current temperature of forced draught blower 22 is in when first preset temperature with between the second preset temperature, the aperture of hot water valve with the aperture dynamic adjustment of cold water valve utilizes cold water valve control cooling coil 24 whether refrigerate, and whether hot water valve control coil 25 heats to carry out temperature humidity control dynamic adjustment according to the air current temperature who gets into forced draught blower 22, the requirements of temperature and humidity in the granary are met.
In winter, the temperature of fresh air outdoors changes greatly along with the changes of sailing sea areas and weather, such as the temperature of fresh air changes within the range of-18 ℃ to 10 ℃. When the outdoor fresh air temperature is too low, such as lower than 0 ℃. The fresh air is directly sent into the unit to cause the coil pipe of the unit to be frozen and cracked, and when the temperature of the environment where the air conditioning unit for the granary is located is lower than 0 ℃, the preheating coil pipe 23 is preheated, so that the temperature of the fresh air cannot cause the problem of freezing and cracking of the coil pipe.
The granary air conditioning unit further comprises a third preset temperature, the third preset temperature is larger than 0 ℃ and smaller than the first preset temperature, when the temperature of the environment where the granary air conditioning unit is located is higher than the third preset temperature, the preheating coil 23 stops preheating, the temperature of fresh air at the moment cannot cause the risk of freezing to the coil when the fresh air passes through the coil, and therefore the fresh air does not need to be preheated.
The temperature value of the first preset temperature is 8 ℃, the temperature value of the second preset temperature is 16 ℃, and the temperature value of the third preset temperature is 6 ℃.
And in the closed circulation mode, the cold water valve is automatically controlled by PID according to the detected return air relative humidity and the target relative humidity. The hot water valve is automatically controlled by PID according to the detected return air temperature and the return air set temperature. The two valves are independently controlled.
When the ventilation circulation mode, utilize return air and the realization of airing exhaust to air, the air inlet is realized to the new trend, and the air supply realizes delivering to the grain depot with the air current after handling, and is specific:
and detecting the ambient temperature, presetting the coil for waste heat if the ambient temperature is lower than a set value (6 ℃), and closing the preheating coil 23 if the ambient temperature is equal to or higher than the set value.
Setting a temperature range of 8-16 ℃, when the return air temperature is lower than 8 ℃, heating the heating coil 25 and adjusting the opening degree to the maximum, and stopping the cooling coil 24.
When the return air temperature is between 8-16 ℃, the heating coil 25 and the cooling coil 24 are dynamically adjusted.
When the return air temperature is higher than 16 ℃, the cooling coil 24 is cooled and the opening degree is adjusted to be maximum, and the heating coil 25 stops working.
Preheating coil 23 cooling coil 24 with heating coil 25 all is provided with business turn over water pipe, all business turn over water pipe all set up in inside the frame 1, and all the tip of business turn over water pipe exposes in the outside of frame 1 is all integrated inside frame 1 with all business turn over water pipes to only make the tip of business turn over water pipe set up on frame 1, thereby reduce the shared space of business turn over water pipe, further reduce the unit volume.
The air conditioning unit for the granary further comprises an electric cabinet, the electric cabinet is arranged between the air supply cavity 3 and the air exhaust cavity 4, the electric cabinet is fixedly arranged on the air supply cavity 3, and the width of the unit is reduced by utilizing a box body gap of the unit and embedding the air conditioning unit into the static pressure box. The whole width of the unit is ensured to be small.
An exhaust fan 6 is arranged in the exhaust cavity 4, and the exhaust fan 6 is in a working state in the ventilation mode.
The air conditioning unit for the granary further comprises a remote control mechanism, wherein the remote control mechanism is arranged in the electric cabinet and is communicated with a superior monitoring system.
The air conditioning unit for the granary has a local control mode and a remote control mode, when the local control mode is selected, partial parameters can be set and checked locally, and only 'relevant parameters' can be checked remotely but cannot be set; when the remote control mode is selected, partial parameters can be set and checked remotely, and only the 'related parameters' can be checked locally but cannot be set.
The unit can communicate operation parameters including operation signals, fault signals and the like with an upper computer monitoring system through a communication protocol; the user can send operation command to the hand operator (display panel of the unit) through the superior system, thereby centrally controlling the air conditioning equipment.
The air treatment cavity 2 is also internally provided with a humidifier, and fresh air or return air with insufficient humidity is humidified by the humidifier, so that the humidity requirement in the granary is ensured.
The air conditioning unit for the granary is applied to environments with severe environmental conditions and the requirement that the unit size is as small as possible, such as offshore platforms, ships or land grain depots.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (15)
1. An air conditioning unit for granary, its characterized in that: including frame (1), frame (1) inside is formed with air handling chamber (2) that is in the lower floor and is in air supply chamber (3), exhaust chamber (4) and return air chamber (5) of air handling chamber (2) top, be provided with fresh air inlet (21) on air handling chamber (2), air supply chamber (3) with air handling chamber (2) intercommunication, return air chamber (5) have with exhaust chamber (4) intercommunication and with the first state of air handling chamber (2) disconnection and with air handling chamber (2) intercommunication and with the second state of exhaust chamber (4) disconnection, exhaust chamber (4) with fresh air inlet (21) all communicate with the outside air.
2. The air conditioning unit for the grain bin according to claim 1, wherein: be provided with return air valve (51) and exhaust valve (52) on return air chamber (5), and be in during the first state, return air valve (51) are in the closed condition just exhaust valve (52) are in the open mode during the second state, exhaust valve (52) are in the closed condition just return air valve (51) are in the open mode.
3. The air conditioning unit for the grain bin according to claim 2, wherein: the air conditioning unit for the granary is provided with a closed circulation mode and a ventilation mode:
in the closed circulation mode, the air return valve (51) is opened, the exhaust valve (52) and the fresh air inlet (21) are closed, and the air in the granary flows back to the granary through the air return cavity (5), the air treatment cavity (2) and the air supply cavity (3) in sequence;
in the ventilation mode, the air return valve (51) is closed, the exhaust valve (52) and the fresh air inlet (21) are opened, air in the granary sequentially passes through the air return cavity (5) and the exhaust cavity (4) and then enters the outside, and outside air sequentially passes through the fresh air inlet (21), the air treatment cavity (2) and the air supply cavity (3) and then flows into the granary.
4. The air conditioning unit for the grain bin according to claim 1, wherein: the air supply cavity (3), the air exhaust cavity (4) and the air return cavity (5) are sequentially arranged along the length direction of the frame (1), and the air return cavity (5) is located between the fresh air inlet (21) and the air exhaust cavity (4).
5. The air conditioning unit for the grain bin according to claim 4, wherein: follow in the air handling chamber (2) the length direction of frame (1) has set gradually forced draught blower (22), preheating coil (23), cooling coil (24) and heating coil (25), the air intake of forced draught blower (22) with return air chamber (5) with fresh air inlet (21) switch the intercommunication.
6. The air conditioning unit for the grain bin according to claim 5, wherein: be provided with the cold water valve on cooling coil (24), be provided with the hot water valve on heating coil (25), just air conditioning unit for the granary has first preset temperature and the second preset temperature, the second preset temperature is greater than first preset temperature, and is passing through the air current temperature of forced draught blower (22) is less than during first preset temperature, the hot water valve is full-open just the cold water valve is full-closed, is passing through the air current temperature of forced draught blower (22) is higher than during the second preset temperature, the hot water valve is full-closed just the cold water valve is full-open, is passing through the air current temperature of forced draught blower (22) is in first preset temperature with during between the second preset temperature, the aperture of hot water valve with the aperture dynamic control of cold water valve.
7. The air conditioning unit for the grain bin according to claim 6, wherein: when the temperature of the environment where the air conditioning unit for the granary is located is lower than 0 ℃, the preheating coil (23) preheats.
8. The air conditioning unit for the grain bin according to claim 7, wherein: the air conditioning unit for the granary further comprises a third preset temperature, the third preset temperature is larger than 0 ℃ and smaller than the first preset temperature, and when the temperature of the environment where the air conditioning unit for the granary is located is higher than the third preset temperature, the preheating coil (23) stops preheating.
9. The air conditioning unit for the grain bin according to claim 8, wherein: the temperature value of the first preset temperature is 8 ℃, the temperature value of the second preset temperature is 16 ℃, and the temperature value of the third preset temperature is 6 ℃.
10. The air conditioning unit for the grain bin according to claim 6, wherein: preheating coil (23), cooling coil (24) with heating coil (25) all are provided with business turn over water pipe, all business turn over water pipe all set up in inside frame (1), and all the tip of business turn over water pipe exposes in the outside of frame (1).
11. The air conditioning unit for the grain bin according to claim 4, wherein: the air conditioning unit for the granary further comprises an electric cabinet, wherein the electric cabinet is arranged between the air supply cavity (3) and the air exhaust cavity (4), and the electric cabinet is fixedly arranged on the air supply cavity (3).
12. The air conditioning unit for the grain bin according to claim 3, wherein: an exhaust fan (6) is arranged in the exhaust cavity (4), and the exhaust fan (6) is in a working state in the ventilation mode.
13. The air conditioning unit for the grain bin according to claim 11, wherein: the air conditioning unit for the granary further comprises a remote control mechanism, wherein the remote control mechanism is arranged in the electric cabinet and is communicated with a superior monitoring system.
14. The air conditioning unit for the grain bin according to claim 5, wherein: a humidifier is also arranged in the air processing chamber (2).
15. The air conditioning unit for the grain bin according to any one of claims 1 to 14, wherein: the air conditioning unit for the granary is applied to an offshore platform, a ship or a land grain depot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226468.3U CN211261464U (en) | 2019-12-11 | 2019-12-11 | Air conditioning unit for granary with temperature and humidity regulation and fresh air function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922226468.3U CN211261464U (en) | 2019-12-11 | 2019-12-11 | Air conditioning unit for granary with temperature and humidity regulation and fresh air function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211261464U true CN211261464U (en) | 2020-08-14 |
Family
ID=71955516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922226468.3U Active CN211261464U (en) | 2019-12-11 | 2019-12-11 | Air conditioning unit for granary with temperature and humidity regulation and fresh air function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211261464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006443A (en) * | 2019-12-11 | 2020-04-14 | 珠海格力电器股份有限公司 | Air conditioning unit for granary with temperature and humidity regulation and fresh air function |
-
2019
- 2019-12-11 CN CN201922226468.3U patent/CN211261464U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006443A (en) * | 2019-12-11 | 2020-04-14 | 珠海格力电器股份有限公司 | Air conditioning unit for granary with temperature and humidity regulation and fresh air function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108361937B (en) | Intelligent central air-conditioning energy-saving control method and system | |
| CN201892867U (en) | Intelligent air exchange control system for communication base station | |
| CN110307597B (en) | Partition control air conditioner indoor unit, control method and air conditioner unit | |
| CN211261464U (en) | Air conditioning unit for granary with temperature and humidity regulation and fresh air function | |
| CN110617609A (en) | Energy management method of air conditioning system for subway station | |
| CN111006443A (en) | Air conditioning unit for granary with temperature and humidity regulation and fresh air function | |
| CN207922447U (en) | A kind of Multifunctional warm humidity conditioner for silo | |
| CN111452945A (en) | Marine central air-conditioning system | |
| CN114802689A (en) | Special cabin environmental control system | |
| CN110848838A (en) | Air conditioning system for underground space and control method thereof | |
| CN102818318A (en) | Efficient energy-saving self-control system device for air conditioner of operating room | |
| CN102345397A (en) | Energy-saving machine room | |
| CN111912058A (en) | Building environment and wall surface temperature and humidity control system | |
| CN218915244U (en) | Underground garage exhaust and cooling tower air inlet coupling ventilation system based on hot-pressure difference ventilation | |
| KR100922821B1 (en) | Cooling-heating conversion system for a greenhouse | |
| CN111348065A (en) | Subway air conditioning system in alpine region and control method thereof | |
| CN217396794U (en) | Special cabin environmental control system | |
| BE1020300A3 (en) | VENTILATION UNIT, VENTILATION SYSTEM AND METHOD FOR VENTILING A BUILDING. | |
| CN204923638U (en) | Freezer refrigeration application system | |
| CN206712467U (en) | A kind of automatic wind valve structure | |
| CN111043793B (en) | Double fresh air and double exhaust multifunctional swimming pool heat pump air conditioning unit | |
| CN210220102U (en) | Temperature and humidity separately-controlled high-low temperature combined cooling air conditioning system | |
| KR101894936B1 (en) | Air conditioning apparatus | |
| CN201639865U (en) | Electrical equipment energy-saving cabinet | |
| CN112393344A (en) | Air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |