CN113007768A - Pressure stabilizing expander for water supplement of air conditioning system - Google Patents
Pressure stabilizing expander for water supplement of air conditioning system Download PDFInfo
- Publication number
- CN113007768A CN113007768A CN202110290289.5A CN202110290289A CN113007768A CN 113007768 A CN113007768 A CN 113007768A CN 202110290289 A CN202110290289 A CN 202110290289A CN 113007768 A CN113007768 A CN 113007768A
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- water
- pipeline
- piston
- conditioning system
- air conditioning
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 238000004378 air conditioning Methods 0.000 title claims abstract description 53
- 230000000087 stabilizing effect Effects 0.000 title claims abstract description 22
- 239000013589 supplement Substances 0.000 title description 7
- 230000003020 moisturizing effect Effects 0.000 claims abstract description 17
- 230000001502 supplementing effect Effects 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 239000000428 dust Substances 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 description 9
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000002775 capsule Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003911 water pollution Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D3/00—Hot-water central heating systems
- F24D3/10—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system
- F24D3/1008—Feed-line arrangements, e.g. providing for heat-accumulator tanks, expansion tanks ; Hydraulic components of a central heating system expansion tanks
-
- 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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Pipe Accessories (AREA)
Abstract
The invention relates to the field of air conditioner pressure stabilizing and water supplementing equipment, and discloses a pressure stabilizing expander for supplementing water to an air conditioning system, which comprises a tank body, wherein an expansion air bag is arranged in the tank body, one side of the top of the tank body is provided with an air injection pipe, the bottom of the expansion air bag is communicated with a water supplementing pipeline, one end of the water supplementing pipeline is communicated with a pressure stabilizing pump, the top of the expansion air bag is communicated with a water pipeline, and the highest part of the water pipeline is provided with an exhaust valve. This a steady voltage expander for air conditioning system moisturizing, when through to air conditioning system moisturizing, fill water to the exhaust air after in the expansion gasbag earlier, in the pipeline of air conditioning system is mended to under the pressure that the steady voltage pump lasts the water filling by the water in the expansion gasbag again, effectual current steady voltage expander of having avoided is to expansion gasbag and air conditioning system pipeline water feeding simultaneously, lead to water in air conditioning system's pipeline, cause great impact force, cause the unstability, the problem that the air conditioning system pipeline breaks down easily.
Description
Technical Field
The invention relates to the field of air conditioner pressure stabilizing and water supplementing equipment, in particular to a pressure stabilizing expander for supplementing water to an air conditioning system.
Background
The steady voltage expander is a collection stabiliser, expander and moisturizing pump are in novel steady voltage expansion equipment of an organic whole, be used for air conditioning system moisturizing often, through the steady voltage pump to air conditioning system's pipeline and the hydroecium of pressurized-water tank water-filling, partly send into the air conditioning system pipeline, the unnecessary water of another part is impressed in the capsule, when pressure reaches design highest pressure, transmit automatically controlled cabinet through pressure signal, automatically controlled cabinet control water pump shut down, along with the use reduction of capsule water-filling, water pressure reduces gradually, when internal pressure of jar falls to setting for minimum pressure, pressure signal transmits for automatically controlled cabinet, automatically controlled cabinet indicates to make the water pump start, make water send pipeline and hydroecium once more.
However, when the existing pressure stabilizing expander for the air conditioning system is used, the pressure stabilizing pump fills water into the pipeline of the air conditioning system and the water chamber of the air pressure water tank at the same time, so that the water is directly filled into the pipeline of the air conditioning system under the action of the water filling pressure of the pressure stabilizing pump, large impact force is caused, instability is caused, the pipeline of the air conditioning system is easy to break after a long time, and when the air pressure in the tank body is suddenly reduced, such as the leakage of the air injection pipe and the like, the air pressure in the tank body with the fault of the pressure stabilizing expander is reduced, the water in the pipeline of the air conditioning reflows, so that the pressure of the pipeline is unstable, and the pipeline.
Disclosure of Invention
The invention provides a pressure stabilizing expander for water supplement of an air conditioning system, which has the advantages of low failure rate and high safety and solves the technical problems in the prior art.
In order to achieve the above purpose, the invention provides the following technical scheme to realize: a pressure-stabilizing expander for supplementing water to air conditioning system is composed of a tank with an internal inflatable air bag, an air injection tube at one side of top of said tank, a water supplementing pipeline communicated with bottom of said inflatable air bag, one end of the water replenishing pipeline is communicated with the pressure stabilizing pump, the top of the expansion air bag is communicated with the water conveying pipeline, the highest position of the water delivery pipeline is provided with an exhaust valve, the side surface of the tank body is fixedly provided with an adjusting water pipe, the middle part of the inner cavity of the regulating water pipe is provided with a middle baffle plate, the other end of the water pipe is communicated with the inner cavity at one side of the regulating water pipe, a first piston is movably sleeved in an inner cavity at one side of the adjusting water pipe, a spring is arranged between the side surface of the first piston and the inner side of the adjusting water pipe, the inner cavity of one side of the water regulating pipe is communicated with a water supply pipeline, the other end of the water supply pipeline is communicated with an air conditioning system, and the first piston is normally in a state of sealing the water supply pipeline and the water supply pipeline.
Optionally, an air inlet is formed in one side of the adjusting water pipe, and a dust filter net completely wrapping the air inlet is arranged on the outer side of the adjusting water pipe.
Optionally, the middle part fixedly connected with spacing axle that the jar body one side was kept away from to the regulation water pipe, and the one end of spacing axle and the width value that send the water piping are greater than first piston.
Optionally, the first piston is violently managed towards one side fixedly connected with activity of the jar body, the activity is violently managed one end and is extended to one side and the movable sleeve of middle baffle and be equipped with the sliding shaft, the one end fixedly connected with of sliding shaft is located the second piston of middle baffle one side, the second piston cup joints with the inner wall activity of adjusting water pipe, the other end of sliding shaft extends to one side and the fixedly connected with shrouding of first piston, logical groove has been seted up at the middle part of first piston, and the external diameter of shrouding is greater than the internal diameter that leads to the groove, the communicating air guide groove with logical groove is seted up at the middle part of first piston bottom, the switch-on of adjusting water pipe bottom and the aqueduct that is located second piston one side, and aqueduct.
The invention provides a pressure stabilizing expander for water supplement of an air conditioning system, which has the following beneficial effects:
1. this a steady voltage expander for air conditioning system moisturizing, when through moisturizing to air conditioning system, fill water to the exhaust air after to the inflation gasbag earlier, in the pipeline of air conditioning system is mended to under the pressure that the steady voltage pump lasts the water filling pressure by the water in the inflation gasbag again, effectual current steady voltage expander of having avoided is to inflation gasbag and air conditioning system pipeline water feeding simultaneously, lead to water under the effect of steady voltage pump, directly fill in air conditioning system's pipeline, cause great impact force, cause unstability, lead to the problem that air conditioning system pipeline breaks down after long-time easily.
2. This a steady voltage expander for air conditioning system moisturizing, through the structural design who adjusts the water pipe and switch on air conditioning system pipeline and inflation gasbag surge damping pump moisturizing pipeline respectively, reduce suddenly at jar internal gas pressure, when the gas injection pipe leakage scheduling problem appears, the inflation gasbag loses spacing and the inflation of atmospheric pressure, to the water pressure reduction of first piston, first piston removes the state to shutoff conduit and water feeding pipeline, thereby the effectual jar internal gas pressure that has avoided steady voltage expander trouble reduces, air conditioning pipeline water backward flow and lead to the pipeline pressure unstability, arouse the problem of pipeline safety trouble easily.
3. This a steady voltage expander for air conditioning system moisturizing, the removal through the first piston in the regulation water pipe is opened and is closed conduit and water supply pipeline, the structural design of cooperation inlet port and the outside dust screen of air conditioner moisturizing system, when power failure, stop pump scheduling problem appear in air conditioner moisturizing system, the negative pressure that produces after pipeline rivers are empty in the air conditioning system, make the second piston violently manage the removal towards the activity, thereby it keeps away from first piston and removes to drive the shrouding, so that the external air gets into in the regulation water pipe from inlet port department, and lead the groove through first piston middle part, lead in the pipeline that the air conditioning system was mended in to the air guide groove, ensure pipeline safety.
4. This a steady voltage expander for air conditioning system moisturizing, utilize the dirt filtrating screen to appear having a power failure at air conditioning water charging system, when need the tonifying qi when stopping the pump scheduling problem, filter the dust in the external gas, when avoiding the tonifying qi, external dust gets into, cause the problem of inside water pollution, and simultaneously, when the moisturizing, fill the pressure of water through the steady voltage pump, make first piston move left and compress this side space, make the air current spout from the aperture of dirt filtrating screen, blow off the dust of dirt filtrating screen outside adhesion, prevent that the dirt filtrating screen from blockking up, influence the problem of later stage safety tonifying qi.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a sectional view of the structure of the regulating water pipe of FIG. 1.
In the figure: 1. a tank body; 101. a gas injection pipe; 2. inflating the balloon; 3. a water replenishing pipeline; 4. a water delivery pipeline; 401. an exhaust valve; 5. adjusting a water pipe; 501. an air inlet; 6. a water supply pipeline; 7. an intermediate baffle; 8. a movable transverse tube; 801. a sliding shaft; 802. closing the plate; 803. a second piston; 9. a first piston; 901. a gas guide groove; 10. a spring; 11. and a limiting shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, a pressure stabilizing expander for water supplement of an air conditioning system comprises a tank body 1, an expansion airbag 2 is arranged inside the tank body 1, a gas injection pipe 101 is arranged on one side of the top of the tank body 1, a water supplement pipeline 3 is communicated with the bottom of the expansion airbag 2, one end of the water supplement pipeline 3 is communicated with a pressure stabilizing pump, a water pipeline 4 is communicated with the top of the expansion airbag 2, an exhaust valve 401 is arranged at the highest position of the water pipeline 4, an adjusting water pipe 5 is fixedly arranged on the side surface of the tank body 1, an intermediate baffle 7 is arranged in the middle of an inner cavity of the adjusting water pipe 5, the other end of the water pipeline 4 is communicated with an inner cavity on one side of the adjusting water pipe 5, a first piston 9 is movably sleeved in the inner cavity on one side of the adjusting water pipe 5, a spring 10 is arranged between the side surface of the first piston 9 and the inner side of the adjusting water pipe 5, the first piston 9 is normally in a state of sealing the water delivery pipeline 6 and the water delivery pipeline 4, when in use, when the water amount in the expansion air bag 2 is reduced to a certain degree, the air pressure in the tank body 1 is reduced, the water supplementing system controls the pressure stabilizing pump to fill water into the expansion air bag 2, after the expansion air bag 2 is filled with water, the water enters the water delivery pipeline 4 and the adjusting water pipe 5, along with the continuous injection of the water, the air in the expansion air bag 2 is finally completely discharged at the exhaust valve 401 at the highest position of the water delivery pipeline 4, under the subsequent water filling pressure, the first piston 9 is moved leftwards, so that a channel between the water delivery pipeline 4 and the water delivery pipeline 6 is opened, so that the water is supplied into the air conditioning system, when in water supplementing, the water is firstly supplied from the bottom of the expansion air bag 2, then the air is completely discharged by the exhaust valve 401 at the top of the water delivery pipeline 4, the pipeline between the water delivery pipeline 4 and the water delivery pipeline, thereby supplying water to the air conditioning system, effectively avoiding the problems that when water is supplemented, air in the expansion air bag 2 enters the pipeline of the air conditioning system along with the air, water is difficult to supply due to the fact that water flow is blocked by air bubbles, and the operation cost is increased, effectively avoiding the problems that the existing pressure stabilizing expander supplies water to the expansion air bag 2 and the pipeline of the air conditioning system simultaneously, so that water is directly filled into the pipeline of the air conditioning system under the action of a pressure stabilizing pump, causing large impact force and instability, and easily causing the pipeline of the air conditioning system to be in fault after a long time, and suddenly reducing the air pressure in the tank body 1, when the air pressure in the air injection pipe 101 has the problems of leakage and the like, the expansion air bag 2 loses the limit of the air pressure and expands, the water pressure of the first piston 9 is reduced, the first piston 9 moves to the state of blocking the water pipeline 4 and the water supply pipeline 6, thereby effectively, the problem of pipeline safety failure is easily caused by unstable pipeline pressure caused by water backflow of an air conditioner pipeline.
Wherein, the inlet port 501 has been seted up to one side of adjusting water pipe 5, and the outside of adjusting water pipe 5 is equipped with the dirt screen of wrapping up inlet port 501 completely, through inlet port 501 so that power failure appears in air conditioner water supply system, when stopping the pump scheduling problem, mend the air in air conditioning system's the pipeline, thereby ensure pipeline pressure stability, ensure the safety of air conditioning system pipeline, and, utilize the dirt screen to filter the dust, when avoiding the tonifying qi, external dust gets into, cause the problem of inside water pollution, and simultaneously, when the moisturizing, through the pressure that the steady voltage pump filled water, make first piston 9 move left and compress this side space, make the air current spout from the micropore of dirt screen, blow off the dust of dirt screen outside adhesion, prevent that the dirt screen from blockking up, influence the problem of later stage safety tonifying qi.
Wherein, the spacing axle 11 of the middle part fixedly connected with of adjusting water pipe 5 keeping away from jar body 1 one side, and spacing value of spacing axle 11 and water supply pipeline 6 is greater than the width value of first piston 9, move left under the water pressure effect of first piston 9 when the moisturizing, open the passageway between water supply pipeline 4 and the water supply pipeline 6 after, through spring 10 to first piston 9 spacing, make first piston 9 keep stabilizing the position in this department, avoid first piston 9 under the water pressure effect when the moisturizing, excessive compression spring 10, lead to the problem that spring 10 life reduces.
Wherein, one side of the first piston 9 facing the tank body 1 is fixedly connected with a movable horizontal tube 8, one end of the movable horizontal tube 8 extends to one side of the middle baffle 7 and is movably sleeved with a sliding shaft 801, one end of the sliding shaft 801 is fixedly connected with a second piston 803 positioned at one side of the middle baffle 7, the second piston 803 is movably sleeved with the inner wall of the adjusting water pipe 5, the other end of the sliding shaft 801 extends to one side of the first piston 9 and is fixedly connected with a sealing plate 802, the middle part of the first piston 9 is provided with a through groove, the outer diameter of the sealing plate 802 is larger than the inner diameter of the through groove, the middle part of the bottom end of the first piston 9 is provided with an air guide groove 901 communicated with the through groove, the bottom of the adjusting water pipe 5 is communicated with a water guide pipe positioned at one side of the second piston 803, and the water guide pipe is communicated with the water feeding pipe 6, in the water replenishing stage, under the water replenishing pressure effect, thereby make shrouding 802 remain the state of laminating first piston 9 middle part through groove all the time, prevent that the outside air from getting into from inlet port 501, when the problem such as power failure, stop the pump appears in air conditioner water charging system, the negative pressure that produces after the pipeline rivers are empty in the air conditioner system, make second piston 803 move towards activity violently pipe 8, thereby drive shrouding 802 and keep away from first piston 9 and remove, so that the outside air gets into in adjusting water pipe 5 from inlet port 501, and through first piston 9 middle part through groove, in air guide groove 901 mends the pipeline of air conditioner system, ensure pipeline safety.
When the air conditioning water replenishing system is used, when the water amount in the expansion air bag 2 is reduced to a certain degree, the air pressure in the tank body 1 is reduced, the water replenishing system controls the pressure stabilizing pump to fill water into the expansion air bag 2, after the expansion air bag 2 is filled with water, the water enters the water conveying pipeline 4 and the adjusting water pipe 5, along with the continuous injection of the water, the air in the expansion air bag 2 is finally and completely discharged through the exhaust valve 401 at the highest position of the water conveying pipeline 4, under the subsequent water filling pressure, the first piston 9 is moved leftwards, so that a channel between the water conveying pipeline 4 and the water conveying pipeline 6 is opened, the water is supplied to the air conditioning system, when the problems of power failure, pump stopping and the like occur in the air conditioning water replenishing system, the negative pressure generated after the water in the pipeline is emptied is moved towards the movable transverse pipe 8, so that the sealing plate 802 is driven to move away from the first piston 9, so that the outside air enters the adjusting water pipe 5 from the, and then is supplemented into the pipeline of the air conditioning system through the through groove in the middle of the first piston 9 and the air guide groove 901.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a steady voltage expander for air conditioning system moisturizing, includes a jar body (1), and the inside of jar body (1) is equipped with inflation gasbag (2), and one side at jar body (1) top is equipped with gas injection pipe (101), its characterized in that: the bottom of the expansion airbag (2) is communicated with a water replenishing pipeline (3), one end of the water replenishing pipeline (3) is communicated with a pressure stabilizing pump, the top of the expansion airbag (2) is communicated with a water conveying pipeline (4), the highest position of the water conveying pipeline (4) is provided with an exhaust valve (401), the side face of the tank body (1) is fixedly provided with an adjusting water pipe (5), the middle part of the inner cavity of the adjusting water pipe (5) is provided with an intermediate baffle (7), the other end of the water conveying pipeline (4) is communicated with the inner cavity on one side of the adjusting water pipe (5), the inner cavity on one side of the adjusting water pipe (5) is movably sleeved with a first piston (9), a spring (10) is arranged between the side face of the first piston (9) and the inner side of the adjusting water pipe (5), the inner cavity on one side of the adjusting water pipe (5) is also communicated with a water conveying pipeline (6), and the, the first piston (9) is normally in a state of sealing the water conveying pipeline (6) and the water conveying pipeline (4).
2. A pressure-stabilized expander for supplementing water to an air conditioning system as claimed in claim 1 wherein: an air inlet hole (501) is formed in one side of the adjusting water pipe (5), and a dust filtering net completely wrapping the air inlet hole (501) is arranged on the outer side of the adjusting water pipe (5).
3. A pressure-stabilized expander for supplementing water to an air conditioning system as claimed in claim 1 wherein: the middle part fixedly connected with spacing axle (11) of adjusting water pipe (5) and keeping away from jar body (1) one side, and the apart distance value of the one end of spacing axle (11) and water supply pipeline (6) is greater than the width value of first piston (9).
4. A pressure-stabilized expander for supplementing water to an air conditioning system as claimed in claim 1 wherein: one side of the first piston (9) facing the tank body (1) is fixedly connected with a movable transverse pipe (8), one end of the movable transverse pipe (8) extends to one side of the middle baffle (7) and is movably sleeved with a sliding shaft (801), one end of the sliding shaft (801) is fixedly connected with a second piston (803) positioned on one side of the middle baffle (7), the second piston (803) is movably sleeved with the inner wall of the adjusting water pipe (5), the other end of the sliding shaft (801) extends to one side of the first piston (9) and is fixedly connected with a sealing plate (802), the middle part of the first piston (9) is provided with a through groove, the outer diameter of the sealing plate (802) is larger than the inner diameter of the through groove, the middle part of the bottom end of the first piston (9) is provided with an air guide groove (901) communicated with the through groove, the bottom of the adjusting water pipe (5) is communicated with a water guide pipe positioned on one side of the, and the water guide pipe is communicated with the water supply pipeline (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110290289.5A CN113007768A (en) | 2021-03-18 | 2021-03-18 | Pressure stabilizing expander for water supplement of air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110290289.5A CN113007768A (en) | 2021-03-18 | 2021-03-18 | Pressure stabilizing expander for water supplement of air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113007768A true CN113007768A (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110290289.5A Withdrawn CN113007768A (en) | 2021-03-18 | 2021-03-18 | Pressure stabilizing expander for water supplement of air conditioning system |
Country Status (1)
| Country | Link |
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| CN (1) | CN113007768A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413323A (en) * | 2022-01-10 | 2022-04-29 | 黄江斌 | Device for exhausting floor heating pipe |
| CN115235103A (en) * | 2022-07-28 | 2022-10-25 | 科希曼电器有限公司 | Steam heat pump air outlet adjusting system and method for dehumidifier |
-
2021
- 2021-03-18 CN CN202110290289.5A patent/CN113007768A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114413323A (en) * | 2022-01-10 | 2022-04-29 | 黄江斌 | Device for exhausting floor heating pipe |
| CN115235103A (en) * | 2022-07-28 | 2022-10-25 | 科希曼电器有限公司 | Steam heat pump air outlet adjusting system and method for dehumidifier |
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Application publication date: 20210622 |