CN207778665U - Based on solution dehumidification and heat pump driven standpipe indirect evaporating-cooling air-conditioner set - Google Patents
Based on solution dehumidification and heat pump driven standpipe indirect evaporating-cooling air-conditioner set Download PDFInfo
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- CN207778665U CN207778665U CN201721793102.9U CN201721793102U CN207778665U CN 207778665 U CN207778665 U CN 207778665U CN 201721793102 U CN201721793102 U CN 201721793102U CN 207778665 U CN207778665 U CN 207778665U
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Abstract
It is disclosed by the utility model to be based on solution dehumidification and heat pump driven standpipe indirect evaporating-cooling air-conditioner set, including shell, shell corresponds to both sides and is respectively arranged with air inlet and wind unit, and low efficient filter, standpipe indirect evaporating-cooling unit, solution temperature and humidity adjustment unit and heat pump unit are disposed with according to air-flow direction in the shell between air inlet and wind unit.Evaporation cooling technique, solution dehumidification technology and heat pump techniques are combined by the utility model standpipe indirect evaporating-cooling air-conditioner set, and the energy in return air can be fully recycled for the fresh air outside process chamber by standpipe indirect evaporation cooler；The dehumidifying effect of solution dehumidification is improved using the refrigerating capacity and heat exhaust of heat pump cycle, by standpipe indirect evaporation cooler, treated that control air can be used for the condenser heat extraction in heat pump cycle simultaneously, the utilization ratio for both having improved energy in this way, can also improve the efficiency of heat pump.
Description
Technical field
The utility model belongs to air conditioner technical field, and in particular to a kind of based on solution dehumidification and heat pump driven vertical
Pipe indirect evaporating-cooling air-conditioner set.
Background technology
Evaporation cooling technique is relatively specific for northwest China area dry hot climate condition, but in medium humidity area and height
Humidity area depends merely on Evaporative Cooling Air Conditioning technology and is unable to reach satisfied ventilation state, therefore also needs to be combined with dehumidifying technology.
Currently used dehumidifying technology has freeze drying, rotary wheel dehumidifying and solution dehumidification.It dehumidifies compared to other two kinds
Outdoor air processing directly can be had bactericidal effect by mode, solution dehumidification technology to ventilation state point, and to air-supply, therefore
It is widely used in the high-grade hotel in high humility area and the independent temperature-humidity control system of hospital.But it is dilute after dehumidifying
Solution also needs to regenerate that dehumidifying effect could be restored, therefore also needs to provide required energy for solution regeneration, at this moment
Heat pump is exactly an optimal selection that required energy is provided for solution regeneration.Therefore propose be suitable for it is medium appropriateness area and
A kind of heat pump driven standpipe indirect evaporating-cooling solution temperature and humidity adjustment air-treatment unit in high humility area, it is intended to be China
Medium appropriateness area and high humility area provide a kind of air-treatment unit suitable for independent temperature-humidity control system, simultaneously
Evaporation cooling technique is combined with solution dehumidification technology, can also be overcome and be evaporated the drawbacks of cooling cannot dehumidify, extension evaporation cooling
The application region of technology.
Utility model content
The purpose of this utility model is to provide a kind of empty based on solution dehumidification and heat pump driven standpipe indirect evaporating-cooling
Unit is adjusted, solves the problems, such as that existing evaporative cooling air conditioning machine group cannot dehumidify.
The utility model is the technical scheme adopted is that be based on solution dehumidification and heat pump driven standpipe indirect evaporating-cooling
Air-conditioner set, including shell, shell corresponds to both sides and is respectively arranged with air inlet and wind unit, between air inlet and wind unit
Shell according to air-flow direction be disposed with air-valve a, low efficient filter, standpipe indirect evaporating-cooling unit, solution
Conditioning unit and heat pump unit；
Standpipe indirect evaporating-cooling unit includes standpipe indirect evaporation cooler, and standpipe indirect evaporation cooler top is under
To secondary grid, water distribution unit and water fender is above disposed with, standpipe indirect evaporation cooler bottom is provided with cyclic water tank,
Cyclic water tank is connected with water distribution unit by feed pipe；It is additionally provided with back on the corresponding shell in standpipe indirect evaporation cooler bottom
Air regulator；
Wind unit includes the air exhaust units set gradually from top to bottom and blowing unit；Air exhaust units include being arranged in machine
Exhaust blower on frame b；Blowing unit includes the pressure fan being arranged on rack a.
The utility model is further characterized in that,
Water distribution unit includes the water distributor being connect with feed pipe, is evenly distributed with and several is steamed indirectly towards standpipe on water distributor
Send out the water distributor of cooler.
Water pump is additionally provided on feed pipe.
Solution temperature and humidity adjustment unit includes the regeneration unit, heat exchanger and Dehumidifying element set gradually from top to bottom；
Regeneration unit includes filler b, is provided with liquid distributor b at the top of filler b, the bottoms filler b are provided with solution tank b；
Dehumidifying element includes filler a, is arranged liquid distributor a at the top of filler a, and the bottoms filler a are arranged solution tank a, liquid distributor a with
Solution tank a is connected by liquid supply pipe a, and evaporator is provided on liquid supply pipe a；
Solution tank b is connected with solution tank a by overflow pipe, and heat exchanger is provided on overflow pipe；Liquid distributor b also passes through feed flow
Pipe b is sequentially connected condenser, heat exchanger and solution tank a.
It is additionally provided with solution pump on liquid supply pipe a.
Heat pump unit includes compressor, and compressor forms the first closed circulation pipe by pipe G1 and four-way reversing valve thereon
Road；
Four-way reversing valve is also sequentially connected condenser, throttle valve and evaporator by pipe G2 and forms the second closed circulation pipe
Road.
Exhaust blower is connected with the exhaust outlet of housing sidewall；
Pressure fan is connected with the air outlet of housing sidewall.
Air-valve c is provided in exhaust outlet.
Air-valve b is provided in air outlet.
The advantageous effect of the utility model standpipe indirect evaporating-cooling air-conditioner set is：
1) the utility model standpipe indirect evaporating-cooling air-conditioner set is filled standpipe indirect evaporation cooler as recuperation of heat
Use is set, the Secondary Air of standpipe indirect evaporation cooler comes from indoor return air, and summer is in standpipe indirect evaporation cooler
Outdoor air is pre-chilled for summer in water drenching in two subchannels, and winter then not water drenching makes full use of back for the fresh air outside preheating chamber
The energy of wind reaches energy-efficient purpose；
2) the utility model standpipe indirect evaporating-cooling air-conditioner set is between standpipe indirect evaporation cooler and water distributor
Install secondary grid additional so that the water distribution in two subchannels of standpipe indirect evaporation cooler is more uniform, improves standpipe and steams indirectly
The heat exchange efficiency for sending out cooler, to improve the heat recovery efficiency of standpipe indirect evaporation cooler；
3) the utility model standpipe indirect evaporating-cooling air-conditioner set is by standpipe indirect evaporation cooler and solution dehumidification skill
Art combines, and can give full play to respective advantage, and by standpipe indirect evaporation cooler, treated that air is respectively that solution removes
Wet unit provides the air after regeneration air or precooling/preheating, negative to reduce the fresh air that solution dehumidification unit is undertaken
Lotus, while the concentrated solution in solution dehumidification unit has the function of sterilization, to reduce the possibility of Carried bacteria in air-supply
Property, and solution dehumidification unit is used for the dehumidifying to air-supply in summer, winter is used for the humidification to air-supply；
4) the utility model standpipe indirect evaporating-cooling air-conditioner set mutually ties heat pump, evaporation cooling with solution dehumidification technology
It closes, the cold of heat pump system is for reducing the solution temperature in Dehumidifying element, and to improve dehumidifying effect, condensation heat is dilute for heating
Solution, efficiency of energy utilization are high, and improve the efficiency of heat pump unit, winter after four-way reversing valve commutates, heat pump unit
Condenser for being heated to the fresh air after standpipe indirect evaporating-cooling cell processing；
5) the utility model standpipe indirect evaporating-cooling air-conditioning unit structure is compact, is suitable for epidemic disaster independent control system
The air-treatment unit of whole latent heat loads and part sensible heat load is undertaken in system；
6) the utility model standpipe indirect evaporating-cooling air-conditioner set, in summer, by standpipe indirect evaporation cooler
Treated makes it improve the ability for accommodating vapor after control air heated by condenser, to be used as the regenerated regeneration of solution
Air, output air are sent into interior as air-supply in Dehumidifying element after drying.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model standpipe indirect evaporating-cooling air-conditioner set；
Fig. 2 is the structural schematic diagram of solution dehumidification unit in the utility model standpipe indirect evaporating-cooling air-conditioner set；
Fig. 3 is the structural schematic diagram of heat pump unit in the utility model standpipe indirect evaporating-cooling air-conditioner set.
In figure, 1. air-valve a, 2. low efficient filters, 3. cyclic water tanks, 4. return wind transoms, 5. feed pipes, 6. water pumps, 7. compressions
Machine, 8. overflow pipes, 9. solution tank a, 10. liquid supply pipe a, 11. solution pumps, 12. rack a, 13. pressure fan, 14. air-valve b, 15. steam
Send out device, 16. filler a, 17. heat exchangers, 18. liquid distributor a, 19. air-valve c, 20. exhaust blowers, 21. rack b, 22. liquid supply pipe b, 23.
Throttle valve, 24. solution tank b, 25. filler b, 26. liquid distributor b, 27. condensers, 28. four-way reversing valves, 29. water fenders, 30. is vertical
Pipe indirect evaporation cooler, 31. water distributors, 32. water distributors, 33. 2 grids, 34. air inlets, 35. air outlets, 36. air drafts
Mouthful.
Specific implementation mode
The utility model is described in detail with reference to the accompanying drawings and detailed description.
The utility model is based on solution dehumidification and heat pump driven standpipe indirect evaporating-cooling air-conditioner set, as shown in Figure 1,
Including shell, shell corresponds to both sides and is respectively arranged with air inlet 34 and wind unit, the shell between air inlet 34 and wind unit
In vivo low efficient filter 2, standpipe indirect evaporating-cooling unit, solution temperature and humidity adjustment list are disposed with according to air-flow direction
Member and heat pump unit.
Standpipe indirect evaporating-cooling unit includes standpipe indirect evaporation cooler 30,30 top of standpipe indirect evaporation cooler
It is disposed with secondary grid 33, water distribution unit and water fender 29, the setting of 30 bottom of standpipe indirect evaporation cooler from top to bottom
There are cyclic water tank 3, cyclic water tank 3 to be connected by feed pipe 5 with water distribution unit；30 bottom of standpipe indirect evaporation cooler is corresponding
Return wind transom 4 is additionally provided on shell.
Water distribution unit includes the water distributor 32 being connect with feed pipe 5, is evenly distributed on water distributor 32 several towards standpipe
The water distributor 31 of indirect evaporation cooler 30.
Water pump 6 is additionally provided on feed pipe 5.
Air-valve a1 is opened, fresh air enters from air inlet 34, enters standpipe indirect evaporating-cooling after the removal of impurities of low efficient filter 2
Unit, the energy of the offer of water pump 6 at this time, recirculated water reach water distributor 31, water distribution from cyclic water tank 3 through feed pipe 5, water distributor 32
Device 31 keeps water distribution more uniform through secondary grid 33, downward Sprayer Circulation water, with fresh air, that is, primary air in standpipe indirect evaporation
Heat exchange is carried out between the tube wall of cooler 30；Indoor auxiliary air enters out of return wind transom 4 at this time, is steamed indirectly with standpipe
It is that primary air is preheated or is pre-chilled to send out and carry out heat exchange in the pipe of cooler 30 simultaneously；Subsequent primary air enters solution tune
In warm damping unit, recirculated water is fallen after rise into cyclic water tank 3.
As shown in Fig. 2, solution temperature and humidity adjustment unit includes the regeneration unit set gradually from top to bottom, heat exchanger 17 and removes
The purpose of wet unit, heat exchanger 17 is that the concentrated solution after regenerating and the weak solution heat exchange after dehumidifying restore dehumidifying effect, to
Concentrated solution after regeneration is flow back by overflow pipe 8 in solution tank a9；
Regeneration unit includes filler b25, is provided with liquid distributor b26 at the top of filler b25, the bottoms filler b25 are provided with solution
Slot b24；Dehumidifying element includes filler a16, and liquid distributor a18 is arranged at the top of filler a16, and solution tank a9, cloth is arranged in the bottoms filler a16
Liquid device a18 is connect with solution tank a9 by liquid supply pipe a10, and evaporator 15 is provided on liquid supply pipe a10；
Solution tank b24 and solution tank a9 are connected by overflow pipe 8, and heat exchanger 17 is provided on overflow pipe 8；Liquid distributor b26
Condenser 27, heat exchanger 17 and solution tank a9 are also sequentially connected by liquid supply pipe b22.
Solution pump 11 is additionally provided on liquid supply pipe a10, solution pump 11 provides energy in operation.
As shown in figure 3, heat pump unit includes compressor 7, compressor 7 is formed by pipe G1 and four-way reversing valve 28 thereon
First closed circulation pipeline；Four-way reversing valve 28 is also sequentially connected condenser 27, throttle valve 23 and evaporator 15 simultaneously by pipe G2
Form the second closed circulation pipeline.The cold of heat pump unit for reducing solution in Dehumidifying element temperature, to improve dehumidifying energy
Power, condensation heat 27 are used for heat dilute solution, and efficiency of energy utilization is high, and improves the efficiency of heat pump unit, and when winter passes through four
After logical reversal valve 28 commutates, the condenser 27 of heat pump unit is used for the fresh air after standpipe indirect evaporating-cooling cell processing
Heating.
Wind unit includes the air exhaust units set gradually from top to bottom and blowing unit；
Air exhaust units include the exhaust blower 20 being arranged on rack b21,36 phase of exhaust outlet of exhaust blower 20 and housing sidewall
It connects, air-valve c19 is provided in exhaust outlet 36, the purpose is to the air of the high temperature and humidity after summer regeneration treatment is discharged；
The air after dehumidifying is discharged when winter.
Blowing unit includes the pressure fan 13 being arranged on rack a12,35 phase of air outlet of pressure fan 13 and housing sidewall
It connects, air-valve b14 is provided at air outlet 35, the purpose is to air is sent into air-conditioned room by treated.
The course of work of the utility model standpipe indirect evaporating-cooling air-conditioner set is as follows：
(1) when in summer or the higher operating mode of outdoor temperature
The air of outdoor high temperature high humidity is indirect into standpipe successively by air-valve a1, the low efficient filter 2 in air inlet 34
Between 30 tube wall of devaporizer, the return air of indoor low temperature drying enters standpipe indirect evaporation cooler 30 by return wind transom 4
In pipe, after the recirculated water in cyclic water tank 3 is pressurizeed by water pump 6, sent by feed pipe 5, water distributor 32 cold to standpipe indirect evaporation
But the water distributor 31 on 30 top of device is sprayed, and shower water is evenly distributed in standpipe after secondary grid 33 and is formed uniformly
Moisture film, then carry out hot and humid area with return air so that the air of the high temperature and humidity outside pipe carry out etc. it is clammy but.
Solution storage after regeneration is in solution tank a9, after the pressurization of solution pump 11：A part of solution passes through liquid supply pipe a10
And after evaporator 15 cools down, sprayed above filler 16 by liquid distributor 18, then pass through standpipe indirect evaporating-cooling list
Primary air after member precooling enters in the Dehumidifying element of solution temperature and humidity adjustment unit, and the concentrated solution being attached on filler 16 is removed
Ventilation state point is reached after wet；Another part solution after liquid supply pipe b22 in heat exchanger 17 with it is dense molten after regeneration
It after liquid carries out heat exchange, is heated using condenser 27, needs regenerated solution to be steamed indirectly with by standpipe for building
Water vapor partial pressure differential between the primary air (regeneration air i.e. in dehumidification device) that the but cooler 30 of feeling cold is handled, then
Primary air carries out caloic with weak solution of the liquid distributor b26 sprays on filler 16 and exchanges, to realize the regeneration of solution.This
In the process the refrigerating capacity of heat pump unit cycle for reducing solution temperature to improve dehumidifying effect, while to fresh air cooling, condensation
Device 27 is discharged heat and is used for concentrating regenerative solution, and efficiency of energy utilization is high.
In heat pump unit, gaseous working medium is compressed into the gaseous refrigerant of high temperature and pressure by compressor 7, then passes through condenser
27 cool down, and the control air crossed by standpipe indirect evaporating-cooling cell processing cools down to it, and then gaseous refrigerant is again
It is depressured by throttle valve 23, is then cooled down by evaporator 10.
Finally, open air-valve b14 and air-valve c19, will after solution temperature and humidity adjustment cell processing temperature it is relatively low and dry
Air by pressure fan 12 be sent into air-conditioned room；The air of high temperature and humidity after solution temperature and humidity adjustment cell processing is arranged
Wind turbine 20 is discharged.
(2) when in winter or the lower operating mode of outdoor temperature
The air of outdoor low temperature first passes through air-valve a1, low efficient filter 2 in air inlet 34, cold into standpipe indirect evaporation
But between 30 tube wall of device, the higher return air of indoor temperature enters by return wind transom 4 in the pipe of standpipe indirect evaporation cooler 30, this
When do not start water pump 6, standpipe indirect evaporating-cooling unit is equivalent to one without water drenching, at this moment standpipe indirect evaporation cooler 30
A gas-to-gas heat exchanger, return air are used for preheating the Cryogenic air into outside pipe, achieve the purpose that recuperation of heat, so as to avoid energy
Waste.
Switch four-way reversing valve 28, change refrigerant circulation direction, Dehumidifying element and regeneration unit originally are changed into again
Unit and Dehumidifying element are given birth to, at this time the weak solution in solution tank a9：A part is heated after liquid supply pipe a10 by condenser 27
Afterwards, using the spray of liquid distributor 18 on filler 16 caloic is carried out with the air after the preheating of standpipe indirect evaporating-cooling unit
It exchanges, to make its humidification, the air after humidification reaches air-supply by 15 temperature after heating of evaporator and requires；Another part solution
After liquid supply pipe b22 in evaporator 27 after cooling, concentration becomes larger, and is sprayed above filler 25b by liquid distributor b26
Leaching carries out caloic with the return air after standpipe indirect evaporating-cooling cell processing and exchanges, and air is dehumidified at this time, and concentrated solution becomes
For weak solution, then weak solution is used for after temperature reduction to return in solution tank a9 after heat exchanger 17 by overflow pipe 8
Next cycle.
In thermal unit, after four-way reversing valve 28 is opened so that refrigerant flow direction is reversed, and realizes the heating of air
Humidification.
Finally, air-valve b14 and air-valve c19 is opened, it will temperature be higher and humidity after solution temperature and humidity adjustment cell processing
Suitable air is sent into air-conditioned room by pressure fan 12；By the air after solution temperature and humidity adjustment cell processing by exhaust blower 20
Discharge.
The utility model standpipe indirect evaporating-cooling air-conditioner set is by evaporation cooling technique, solution dehumidification technology and heat pump
Technology is combined, and the energy in return air can be fully recycled for new outside process chamber by standpipe indirect evaporation cooler 30
Wind；The dehumidifying effect of solution dehumidification is improved using the refrigerating capacity and heat exhaust of heat pump cycle, while cold by standpipe indirect evaporation
But treated that control air can be used for 27 heat extraction of condenser in heat pump cycle for device 30, had both improved the profit of energy in this way
With efficiency, the efficiency of heat pump can be also improved.
Claims (9)
1. being based on solution dehumidification and heat pump driven standpipe indirect evaporating-cooling air-conditioner set, which is characterized in that including shell, shell
Body corresponds to both sides and is respectively arranged with air inlet (34) and wind unit, in shell of the air inlet (34) between wind unit according to
Air-flow direction is disposed with air-valve a (1), low efficient filter (2), standpipe indirect evaporating-cooling unit, solution temperature adjustment tune
Wet unit and heat pump unit；
The standpipe indirect evaporating-cooling unit includes standpipe indirect evaporation cooler (30), standpipe indirect evaporation cooler (30)
Top is disposed with secondary grid (33), water distribution unit and water fender (29), standpipe indirect evaporation cooler from top to bottom
(30) bottom is provided with cyclic water tank (3), and cyclic water tank (3) is connected with water distribution unit by feed pipe (5)；Between the standpipe
It connects and is additionally provided with return wind transom (4) on the corresponding shell in devaporizer (30) bottom；
The wind unit includes the air exhaust units set gradually from top to bottom and blowing unit；The air exhaust units include setting
Exhaust blower (20) on rack b (21)；The blowing unit includes the pressure fan (13) being arranged on rack a (12).
2. standpipe indirect evaporating-cooling air-conditioner set according to claim 1, which is characterized in that the water distribution unit includes
The water distributor (32) being connect with feed pipe (5) is evenly distributed on water distributor (32) several towards standpipe indirect evaporation cooler
(30) water distributor (31).
3. standpipe indirect evaporating-cooling air-conditioner set according to claim 1, which is characterized in that on the feed pipe (5)
It is additionally provided with water pump (6).
4. standpipe indirect evaporating-cooling air-conditioner set according to claim 1, which is characterized in that the solution temperature and humidity adjustment
Unit includes the regeneration unit set gradually from top to bottom, heat exchanger (17) and Dehumidifying element；
The regeneration unit includes (25) filler b, is provided with liquid distributor b (26) at the top of filler b (25), filler b (25) bottom is set
It is equipped with solution tank b (24)；
The Dehumidifying element includes (16) filler a, and liquid distributor a (18), the setting of filler a (16) bottom are arranged at the top of filler a (16)
Solution tank a (9), liquid distributor a (18) and solution tank a (9) are connect by liquid supply pipe a (10), and liquid supply pipe a is provided with evaporation on (10)
Device (15)；
The solution tank b (24) and solution tank a (9) are connected by overflow pipe (8), and heat exchanger (17) is provided on overflow pipe (8)；
The liquid distributor b (26) is also sequentially connected condenser (27), heat exchanger (17) and solution tank a (9) by liquid supply pipe b (22).
5. standpipe indirect evaporating-cooling air-conditioner set according to claim 4, which is characterized in that the liquid supply pipe a (10)
On be additionally provided with solution pump (11).
6. standpipe indirect evaporating-cooling air-conditioner set according to claim 1, which is characterized in that the heat pump unit includes
Compressor (7), compressor (7) form the first closed circulation pipeline by pipe G1 and four-way reversing valve (28) thereon；
The four-way reversing valve (28) is also sequentially connected condenser (27), throttle valve (23) and evaporator (15) and shape by pipe G2
At the second closed circulation pipeline.
7. standpipe indirect evaporating-cooling air-conditioner set according to claim 1, which is characterized in that the exhaust blower (20) with
The exhaust outlet (36) of housing sidewall is connected；
The pressure fan (13) is connected with the air outlet (35) of housing sidewall.
8. standpipe indirect evaporating-cooling air-conditioner set according to claim 7, which is characterized in that in the exhaust outlet (36)
It is provided with air-valve c (19).
9. standpipe indirect evaporating-cooling air-conditioner set according to claim 7, which is characterized in that the air outlet (35) is inner
It is provided with air-valve b (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793102.9U CN207778665U (en) | 2017-12-20 | 2017-12-20 | Based on solution dehumidification and heat pump driven standpipe indirect evaporating-cooling air-conditioner set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721793102.9U CN207778665U (en) | 2017-12-20 | 2017-12-20 | Based on solution dehumidification and heat pump driven standpipe indirect evaporating-cooling air-conditioner set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207778665U true CN207778665U (en) | 2018-08-28 |
Family
ID=63226879
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721793102.9U Expired - Fee Related CN207778665U (en) | 2017-12-20 | 2017-12-20 | Based on solution dehumidification and heat pump driven standpipe indirect evaporating-cooling air-conditioner set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207778665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109662674A (en) * | 2018-12-14 | 2019-04-23 | 佛山市顺德区美的洗涤电器制造有限公司 | Drying device for dish-washing machine and the dish-washing machine with it |
-
2017
- 2017-12-20 CN CN201721793102.9U patent/CN207778665U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109662674A (en) * | 2018-12-14 | 2019-04-23 | 佛山市顺德区美的洗涤电器制造有限公司 | Drying device for dish-washing machine and the dish-washing machine with it |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180828 Termination date: 20191220 |
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| CF01 | Termination of patent right due to non-payment of annual fee |