CN204192550U - Pump type heat dish cleaning machine - Google Patents
Pump type heat dish cleaning machine Download PDFInfo
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- CN204192550U CN204192550U CN201420543591.2U CN201420543591U CN204192550U CN 204192550 U CN204192550 U CN 204192550U CN 201420543591 U CN201420543591 U CN 201420543591U CN 204192550 U CN204192550 U CN 204192550U
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- 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
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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- Washing And Drying Of Tableware (AREA)
Abstract
The utility model provides a kind of pump type heat dish cleaning machine, and the heat pump assembly comprising compressor, condenser, throttling arrangement, evaporimeter and evaporator fan set up by cleaning machine, and described condenser is arranged on the pipeline at water circulating pump place; Also be provided with heating heat exchanger channels between machine casing and process chamber, the evaporimeter of heat pump assembly and evaporator fan are contained in heating heat exchanger channels, and the air inlet of heating heat exchanger channels and air outlet are all located at the front side of machine casing.Adopt heat pump assembly to provide hot water for the washing stage, save energy consumption; Air inlet and air outlet are all located on front side of body, ventilate more smooth and easy, avoid the cabinet inner air flow installed due to cleaning machine smooth, the problem of compressor cavity poor heat radiation may be caused; Ensure that compressor chamber body heat content is discharged in time and reduces delivery temperature thus extend the compressor life-span.
Description
Technical field
The utility model relates to a kind of dish cleaning machine of home-use or business.
Background technology
Existing dish cleaning machine that is home-use or business is generally electrical heating type, typical structure as shown in Figure 1, process chamber 2 is provided with in machine casing, many spray arm (3,4,5) is located in process chamber 2, the fixing basketry being arranged in process chamber put into by tableware to be cleaned, is provided with water leg 10 below process chamber; Oven dry condenser 6, water intaking valve 9, water circulating pump 11, electric heater 12 and draining pump 13 etc. are arranged at space between process chamber and machine casing.
The cleaning process of this kind of cleaning machine was divided into for two megastages: washing stage and baking stage.
Washing stage comprises prewashing-master washes-pre-rinsing-rinsing four steps, and outside water supply injects water leg 10 by water intaking valve 9.Water supercharging is pumped into each spray arm (3,4,5) by water circulating pump 11, then washes away tableware surface by the nozzle ejection High-Pressure Water on spray arm, is back to water leg 10, again enters water circulating pump 11.After washing stage terminates, open draining pump 13, sewage is discharged outside machine.
At prewashing and pre-rinse step, water does not need heating.Wash with in rinse step main, electric heater 12 continuous firing can reach setting value to water temperature.
After washing stage terminates, carry out baking stage by the drying unit of cleaning machine.Drying unit comprises oven dry condenser 6, inner side fan 7 and outside fan 8, it is inner that inner side fan 7 drives air hot and humid in process chamber 2 to enter oven dry condenser 6 by the air outlet on top, water in air condenses with in condenser 6 in oven dry, cooled air sucks in process chamber 2 again through inner side fan 7, the waste-heat of processed indoor and tableware, by the water humidification on tableware, again become hot and humid air, arrive the air outlet on process chamber 2 top, circulation like this is gone down, until tableware is dried.
In whole cleaning process, the master of washing stage washes and will use electric heater 12 pairs of water with rinse step and heat, and is power consumption the best part; In addition power consumption is water circulating pump 11, draining pump 13 and inner side fan 7, outside fan 8 mainly.Current cleaning machine is on the market all adopt electrically heated mode to heat water, and efficiency of energy utilization is less than 1.How energy-conservation is the important research direction of domestic bowl-washing.
Utility model content
In view of this, the utility model is intended to propose a kind of pump type heat dish cleaning machine, washes all will use electric heater with rinse step and heat water with the master solving the washing stage, so that the problem that efficiency of energy utilization is low.
For achieving the above object, the technical solution of the utility model is achieved in that
A kind of pump type heat dish cleaning machine, comprise machine casing, process chamber, many spray arms, drying unit, water leg, water intaking valve, water circulating pump, electric heater and draining pumps, rinse water in water leg, by each spray arm in pipeline difference connected set tank and process chamber, is pumped to each spray arm by pipeline by water circulating pump by water circulating pump; Electric heater is arranged on the pipeline at described water circulating pump place, and convection current rinse water by the road heats; Also comprise heat pump assembly, it comprises compressor, condenser, throttling arrangement, evaporimeter and evaporator fan, and described heat pump assembly is set to the structure that cold-producing medium can be made to circulate successively along described compressor, condenser, throttling arrangement, evaporimeter, described condenser is also arranged on the pipeline at described water circulating pump place, and condenser energy convection current rinse water by the road can heat.
Relative to prior art, this programme can be washed with in rinse step main, by or cool condenser primarily of heat pump assembly be that rinse water heats; And electric heater can not work, or only wash main and/or work in rinse step, coordinating heat pump assembly to carry out auxiliary heating to rinse water, to improve programming rate, and then, promote the energy utilization rate of dish cleaning machine entirety.Certainly, in prewashing step and/or pre-rinse step, also can start heat pump assembly is that rinse water heats.
Further, described drying unit comprises oven dry condenser and the oven dry air channel through this oven dry condenser, dry one end, air channel be communicated with the top of process chamber and form the air outlet relative to process chamber, the other end is communicated with process chamber sidepiece and forms the air inlet relative to process chamber, and described air inlet end is also provided with inner side fan.Further, oven dry heat exchanger channels is also provided with between described machine casing and process chamber, described oven dry condenser is contained in dries in heat exchanger channels, and the entrance and exit of drying heat exchanger channels all communicates with machine casing extraneous air, and its porch is also provided with outside fan.
Further, be also provided with heating heat exchanger channels between described machine casing and process chamber, the evaporimeter of described heat pump assembly and evaporator fan are contained in heating heat exchanger channels, and air inlet and the air outlet of heating heat exchanger channels all communicate with machine casing extraneous air.Further, described evaporator fan is between air inlet and evaporimeter.Or described evaporator fan is between air outlet and evaporimeter.Further, the air inlet of described heating heat exchanger channels and air outlet are all positioned at the front side of machine casing, i.e. side, cleaning machine load switch door place.Further, the condenser of described heat pump assembly can replace with plate and change formula heat exchanger; Or the condenser of described heat pump assembly can adopt double-tube heat exchanger, has compact conformation, the feature that heat exchange efficiency is high.Further, the compressor of described heat pump assembly is also contained in heating heat exchanger channels, and compressor is between evaporator fan and air outlet; Or compressor is between evaporator fan and air inlet; Namely outside air is flowed into by air inlet under the drive of evaporator fan, both can flow through compressor, evaporimeter successively, and also can flow through evaporimeter, compressor successively, until discharge from air outlet when heating and flowing in heat exchanger channels.Fully can recycle the waste heat of compressor.
Relative to prior art, the utility model has following advantage: adopt heat pump assembly to provide hot water for the washing stage, save energy consumption; Air inlet and air outlet are all located on front side of body, ventilate more smooth and easy, avoid the cabinet inner air flow installed due to cleaning machine smooth, the problem of compressor cavity poor heat radiation may be caused; Ensure that compressor chamber body heat content is discharged in time and reduces delivery temperature thus extend the compressor life-span.
Accompanying drawing explanation
The accompanying drawing forming a part of the present utility model is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of existing dish cleaning machine;
Fig. 2 is a kind of structural representation of dish cleaning machine of the present utility model;
Fig. 3 and Fig. 4 presents the heating air inlet of heat exchanger channels and air outlet respectively and is located at both embodiments on front side of cleaning machine body;
The compressor 14 of what Fig. 5 and Fig. 6 represented is heat pump assembly is also contained in two kinds of embodiments in heating heat exchanger channels;
Two kinds of embodiments in heating heat exchanger channels do not put into by the compressor 14 of what Fig. 7 and Fig. 8 represented is heat pump assembly;
Four kinds of embodiments that what Fig. 9 to Figure 12 represented is after evaporator fan is positioned at evaporimeter in heating heat exchanger channels.
Description of reference numerals:
1-cleaning machine; 2-process chamber; 3-top spray arm; Spray arm in the middle part of 4-; 5-bottom spray arm; 6-oven dry condenser; Fan inside 7-; Fan outside 8-; 9-water intaking valve; 10-water leg; 11-water circulating pump; 12-electric heater; 13-draining pump; 14-compressor; 15-condenser; 16-throttling arrangement; 17-evaporimeter; 18-evaporator fan; 19-air intake; 20-air-out; 21-control panel; 22-load switch door; 23-dries heat exchanger channels; 24-heats heat exchanger channels.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the utility model and the feature in embodiment can combine mutually.
Below with reference to the accompanying drawings and describe the utility model in detail in conjunction with the embodiments.
The utility model proposes a kind of heat-pump-type dish-washing machine, as shown in Figure 2, critical piece has: 1-cleaning machine; 2-process chamber; 3-top spray arm; Spray arm in the middle part of 4-; 5-bottom spray arm; 6-oven dry condenser; Fan inside 7-; Fan outside 8-; 9-water intaking valve; 10-water leg; 11-water circulating pump; 12-electric heater; 13-draining pump; 14-compressor; 15-condenser; 16-throttling arrangement; 17-evaporimeter; 18-evaporator fan; 19-air intake; 20-air-out; 21-control panel; 22-load switch door.
Tableware is arranged in the fixing basketry of process chamber 2.
The oven dry space of condenser 6 between process chamber 2 avris and cleaning machine 1 machine casing, this space is dries heat exchanger channels 23, or encloses in addition to build up in space and dry heat exchanger channels 23, and oven dry condenser 6 is located at and is dried in heat exchanger channels 23; 9 ~ 18 spaces bottom process chamber 2 and between cleaning machine 1 machine casing; Or enclose in addition in the space bottom process chamber 2 and between cleaning machine 1 machine casing and build an oven dry heat exchanger channels, oven dry condenser 6 is located at and is dried in heat exchanger channels 23.
The entrance and exit of drying heat exchanger channels 23 all communicates with machine casing extraneous air, and its porch is also provided with outside fan 8.
Oven dry condenser 6 is communicated with dries air channel, dry one end, air channel be communicated with the top of process chamber 2 and form the air outlet relative to process chamber, the other end is communicated with process chamber sidepiece and forms the air inlet relative to process chamber, and described air inlet end is also provided with inner side fan 7.
Flushing water pump in water leg, by each spray arm 3,4,5 in pipeline difference connected set tank 10 and process chamber, is delivered to each spray arm by water circulating pump 11 by pipeline by water circulating pump 11; Electric heater 12 is also arranged on the pipeline at described water circulating pump 11 place, and convection current rinse water by the road heats; As shown in Figure 2, also comprise heat pump assembly, it comprises compressor 14, condenser 15, throttling arrangement 16, evaporimeter 17 and evaporator fan 18, and described heat pump assembly is set to the structure that cold-producing medium can be made to circulate successively along described compressor 14, condenser 15, throttling arrangement 16, evaporimeter 17, described condenser is also arranged on the pipeline at described water circulating pump place, and condenser energy convection current rinse water by the road heats.It should be noted that, ordering on water circulating pump 11, condenser 15 and the pipeline of electric heater 12 between water leg 10 and spray arm is not limited in the situation (i.e. the ordering of 11-15-12) shown in Fig. 2, also can be 11-12-15, or 12-11-15, or 12-15-11, or 15-12-11, or 15-11-12.
This programme can be washed with in rinse step main, by or condenser primarily of heat pump assembly be that rinse water heats; And electric heater can not work, or only wash main and/or work in rinse step, coordinating heat pump assembly to carry out auxiliary heating to rinse water, to improve programming rate, and then, promote the energy utilization rate of dish cleaning machine entirety.Certainly, in prewashing step and/or pre-rinse step, also can start heat pump assembly is that rinse water heats.
As shown in Figure 7 and Figure 8, heating heat exchanger channels 24 is also provided with between described machine casing and process chamber, the evaporimeter 17 of described heat pump assembly and evaporator fan 18 are contained in heating heat exchanger channels 24, and air inlet 19 and the air outlet 20 of heating heat exchanger channels all communicate with machine casing extraneous air.As shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8, described evaporator fan is between air inlet and evaporimeter.Or as shown in Fig. 9 to Figure 12, described evaporator fan is between air outlet and evaporimeter.
Consider in actual use, in order to beautiful decoration, dish cleaning machine is generally arranged in cabinet, and cabinet inner air flow is often not smooth, if it is smooth that employing may be arranged on circulation in cabinet because of dish-washing machine from the structure of front side air intake, two side air-outs, thus cause the situation of compressor cavity poor heat radiation.
Therefore, further, as shown in Figure 3 and Figure 4, the air inlet 19 of described heating heat exchanger channels and air outlet 20 are all positioned at the front side of machine casing, i.e. side, cleaning machine load switch door 22 place.The air inlet 19 of described heating heat exchanger channels and air outlet (20) are all positioned at the below of cleaning machine load switch door, and leave gap between two air ports.As shown in Figure 3 and Figure 4, the air inlet (19) of described heating heat exchanger channels, also can not be identical with the opening shape of air outlet (20), area can be identical.
Further, as shown in Fig. 5, Fig. 6, Fig. 9 and Figure 10, the compressor 14 of described heat pump assembly is also contained in heating heat exchanger channels 24.Air intake in heating heat exchanger channels 24, through compressor 14, is conducive to the heat energy reclaiming compressor, improves efficiency further.
As shown in Figure 5 and Figure 6, compressor 14 can between evaporator fan 18 and air outlet 20; Or as shown in Figure 9 and Figure 10, compressor is between evaporator fan 18 and air inlet 19; Namely outside air is flowed into by air inlet under the drive of evaporator fan, both can flow through compressor, evaporimeter successively, and also can flow through evaporimeter, compressor successively, until discharge from air outlet when heating and flowing in heat exchanger channels.Fully can recycle the waste heat of compressor thus.
Further, described evaporimeter 17 is micro-channel heat exchanger, and volume is little, and heat exchange efficiency is higher.
Further, the condenser 15 of described heat pump assembly can adopt double-tube heat exchanger, has compact conformation, the feature that heat exchange efficiency is high.Or described condenser can replace with plate and change formula heat exchanger.
Utilize above-mentioned dish cleaning machine to carry out the control method of wash dishes, comprise the washing stage and baking stage of carrying out successively;
Wherein, the washing stage comprise carry out successively prewashing, main to wash, pre-rinsing and rinse step,
Described prewashing step comprises:
1.a, water inlet: open water intaking valve 9 and intake in water leg 10, reach designated capabilities (2.5 ~ 4L) close water intaking valve afterwards until catchment in water leg;
1.b, circulation water spray: ON cycle water pump 11, water in water leg 10 is pumped into the spray arm (3,4,5) in process chamber 2, the High-Pressure Water sprayed by spray arm washes away tableware surface, be back to water leg 10, again enter water circulating pump 11, after water circulating pump 11 continuous firing a period of time t1 (10≤t1≤15min), out of service;
1.c, draining: opening water discharge pump 13, discharge machine exterior by the sewage in water leg;
Described master washes step and comprises:
2.a, water inlet: open water intaking valve 9 intake in water leg 10, until catchment in water leg reach designated capabilities after close water intaking valve;
2.b, heat pump: start water circulating pump 11, start compressor 14, starts evaporator fan 18, sucked by water from water leg 10, heat in condenser 15, enter spray arm subsequently, wash away tableware surface, be back to water leg 10, again enter water circulating pump 11, circulate successively; When process chamber 2 internal temperature reaches setting value T1 (40≤T1≤60 DEG C), stop compressor 14 and evaporator fan 18; This stage running time t2 (15min≤t2≤30min) affects by heat pump performance and outside supply water temperature.Heat pump assembly performance is higher, and running time is shorter; Outside supply water temperature is higher, and running time is shorter.
2.c, circulation water spray: after water circulating pump 11 continuous service a period of time t3 (15≤t3≤30min), out of service;
2.d, draining: open draining pump 13, namely discharge machine exterior by the sewage in water leg;
Described pre-rinse step comprises: open water intaking valve 9, outside water supply is made directly to enter spray arm (3,4,5) through water circulating pump 11, wash away tableware surface, flow in water leg 10, then draining pump is opened, direct discharge machine exterior, after the time, pre-rinse step terminates to run t4 (5≤t4≤10min); Pre-rinse stage water does not repeat spray.
Described rinse step comprises:
4.a, water inlet: open water intaking valve 9 and intake in water leg 10, reach designated capabilities (2.5 ~ 4L) close water intaking valve afterwards until catchment in water leg;
4.b, heat pump: start water circulating pump 11, start evaporator fan 18, starts compressor 14, opening electric heater 12; Water is sucked from water leg 10, flows through that condenser 15 carries out heating, electric heater 12 carries out auxiliary heating respectively, enter spray arm 3,4,5 subsequently, wash away tableware surface, be back to water leg 10, again enter water circulating pump 11, complete a circulation; Circulation certain hour t5 (30≤t5≤60min) like this, until water temperature is heated to setting value T2 (60 DEG C≤T2≤80 DEG C), stops compressor 14, stops evaporator fan 18, stop electric heater 12, stop water circulating pump 11;
4.c draining: open draining pump 13, namely discharges machine exterior by the sewage in water leg;
Described baking stage comprises: start inner side fan 7, air hot and humid in process chamber 2 driven through inner side fan 7, oven dry condenser 6 is entered inner by the air outlet on process chamber 2 top, water in air condenses with in condenser 6 in oven dry, cooled air is sucked in process chamber again by inner side fan 7, by the waste-heat of machine, by the water humidification on tableware, again become hot and humid air, arrive the air outlet on process chamber 2 top, circulation like this is gone down, until tableware is dried;
Start outside fan 8, the wind sucked from external environment condition is outside to oven dry condenser 6, carries out heat exchange with the air of oven dry condenser 6 internal high temperature high humidity, then enters environment from the outlet of drying heat exchanger channels.
Structure and the cleaning control method of above-mentioned cleaning machine reduce compressor exhaust temperature, improve the compressor life-span; Reduce condensing pressure, improve evaporating temperature, and recycle heat of compressor, improve the performance of heat pump assembly, and then improve the energy utilization rate of cleaning machine.
In addition, in above-mentioned control method, can also in prewashing step and/or pre-rinse step, also enable heat pump assembly to heat the rinse water in pipeline, namely in prewashing step and/or pre-rinse step, start evaporator fan 18, start compressor 14, the rinse water flowing through condenser is also heated, to make prewashing, the in advance effect of rinsing better, and saves time.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a pump type heat dish cleaning machine, comprise machine casing, process chamber (2), many spray arms (3,4,5), drying unit, water leg (10), water intaking valve (9), water circulating pump (11), electric heater (12) and draining pumps (13), rinse water in water leg, by each spray arm in pipeline difference connected set tank (10) and process chamber, is pumped to each spray arm by pipeline by water circulating pump (11) by water circulating pump (11); Electric heater is arranged on the pipeline at described water circulating pump (11) place, heats the rinse water that described pipeline flows through; It is characterized in that,
Also comprise heat pump assembly, it comprises compressor (14), condenser (15), throttling arrangement (16), evaporimeter (17) and evaporator fan (18), and described heat pump assembly is set to the structure that cold-producing medium can be made to circulate successively along described compressor (14), condenser (15), throttling arrangement (16), evaporimeter (17), and described condenser (15) is also arranged on the pipeline at described water circulating pump (11) place;
Heating heat exchanger channels (24) is also provided with between described machine casing and process chamber, the evaporimeter (17) of described heat pump assembly and evaporator fan (18) are contained in heating heat exchanger channels (24), air inlet (19) and the air outlet (20) of heating heat exchanger channels (24) all communicate with machine casing extraneous air, and the air inlet (19) of described heating heat exchanger channels and air outlet (20) are all positioned at the front side of machine casing.
2. pump type heat dish cleaning machine according to claim 1, it is characterized in that: the air inlet (19) of described heating heat exchanger channels and air outlet (20) are all positioned at the below of cleaning machine load switch door, and leave gap between two air ports.
3. pump type heat dish cleaning machine according to claim 1, is characterized in that: the air inlet (19) of described heating heat exchanger channels and the opening shape of air outlet (20), area are identical, leave gap between air inlet and air outlet.
4. pump type heat dish cleaning machine according to claim 1, is characterized in that: described evaporator fan (18) is positioned between air inlet (19) and evaporimeter (17); Or described evaporator fan is positioned between air outlet (20) and evaporimeter (17).
5. pump type heat dish cleaning machine according to claim 1, is characterized in that: the compressor (14) of described heat pump assembly is also contained in heating heat exchanger channels (24); Described compressor (14) is positioned between evaporator fan (18) and air outlet (20), or is positioned between evaporator fan (18) and air inlet (19).
6. pump type heat dish cleaning machine according to claim 1, it is characterized in that: described drying unit comprises oven dry condenser (6) and the oven dry air channel through this oven dry condenser, dry one end, air channel be communicated with the top of process chamber (2) and form the air outlet relative to process chamber, the other end is communicated with process chamber sidepiece and forms the air inlet relative to process chamber, and described air inlet end is also provided with inner side fan (7).
7. pump type heat dish cleaning machine according to claim 6, it is characterized in that: be also provided with between described machine casing and process chamber (2) and dry heat exchanger channels (23), described oven dry condenser (6) is contained in and dries in heat exchanger channels (23), and the entrance and exit of drying heat exchanger channels (23) all communicates with machine casing extraneous air, its porch is also provided with outside fan (8).
8. the pump type heat dish cleaning machine according to claim 1 to 7 any one, is characterized in that: the condenser (15) of described heat pump assembly is double-tube heat exchanger; Or the condenser (15) of described heat pump assembly replaces with plate and changes formula heat exchanger.
9. the pump type heat dish cleaning machine according to claim 1 to 7 any one, is characterized in that: described evaporimeter (17) is micro-channel heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543591.2U CN204192550U (en) | 2014-09-19 | 2014-09-19 | Pump type heat dish cleaning machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543591.2U CN204192550U (en) | 2014-09-19 | 2014-09-19 | Pump type heat dish cleaning machine |
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| CN204192550U true CN204192550U (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420543591.2U Expired - Lifetime CN204192550U (en) | 2014-09-19 | 2014-09-19 | Pump type heat dish cleaning machine |
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Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104739345A (en) * | 2015-04-22 | 2015-07-01 | 佛山市顺德区美的洗涤电器制造有限公司 | Dish washing machine |
| CN104840167A (en) * | 2015-06-04 | 2015-08-19 | 广州铭圣环保科技有限公司 | Drying equipment of dish washing machine |
| CN105105695A (en) * | 2015-09-15 | 2015-12-02 | 佛山市顺德区美的洗涤电器制造有限公司 | Drying device of heat pump type dish washing machine and heat pump type dish washing machine |
| CN105476584A (en) * | 2014-09-19 | 2016-04-13 | 杭州三花研究院有限公司 | Heat pump type tableware washer and control method thereof |
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| WO2022143698A1 (en) * | 2020-12-30 | 2022-07-07 | 广东美的白色家电技术创新中心有限公司 | Heat pump type washing device |
| CN115644758A (en) * | 2022-08-22 | 2023-01-31 | 合肥荣事达电子电器集团有限公司 | Waste heat drying system for dishwasher and its dishwasher |
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| CN105476584A (en) * | 2014-09-19 | 2016-04-13 | 杭州三花研究院有限公司 | Heat pump type tableware washer and control method thereof |
| CN105476584B (en) * | 2014-09-19 | 2019-08-23 | 杭州三花研究院有限公司 | Pump type heat dish cleaning machine and its control method |
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