CN107137034B - Dish washer with internal circulation drying function and operation method thereof - Google Patents
Dish washer with internal circulation drying function and operation method thereof Download PDFInfo
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- CN107137034B CN107137034B CN201710427651.2A CN201710427651A CN107137034B CN 107137034 B CN107137034 B CN 107137034B CN 201710427651 A CN201710427651 A CN 201710427651A CN 107137034 B CN107137034 B CN 107137034B
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- impeller
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/0002—Washing processes, i.e. machine working principles characterised by phases or operational steps
- A47L15/0013—Drying phases, including dripping-off phases
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/48—Drying arrangements
- A47L15/483—Drying arrangements by using condensers
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/48—Drying arrangements
- A47L15/486—Blower arrangements
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- Washing And Drying Of Tableware (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention provides a dish washer with internal circulation drying and an operation method thereof. The invention comprises a shell, wherein an inner cavity is arranged in the shell, a door body is arranged at the front side of the inner cavity, a drying circulation assembly is arranged on the rear wall of the inner cavity, the drying circulation assembly comprises a condensation shell and an air inlet plate, the condensation shell is positioned at the outer side of the rear wall of the inner cavity, the air inlet plate is positioned at the inner side of the rear wall of the inner cavity, the drying circulation cavity of the condensation shell and an air inlet plate is divided into a hot air cavity at the upper part and a condensation cavity at the lower part, the hot air cavity is communicated with the condensation cavity through a middle channel, an impeller is arranged in the condensation cavity and is in driving connection with a hot air motor, a negative pressure area is formed at the inner side of the impeller and is communicated with the inner cavity, a positive pressure area is formed at the outer side of the impeller, a cold water inlet is formed at the upper part of the rear wall of the condensation cavity and is communicated with a cold water pump through a pipeline, a water outlet is formed at the lower part of the rear wall of the condensation cavity and is communicated with the positive pressure area, a heating pipe is arranged in the hot air cavity, and a temperature sensing probe is connected with the heating pipe.
Description
Technical Field
The invention belongs to the technical field of kitchen appliances, and relates to dish washing equipment, in particular to a dish washing machine with internal circulation drying function and an operation method thereof.
Background
A dishwasher is a device for automatically washing dishes such as bowls, chopsticks, plates, dishes, knives, forks, etc. The current full-automatic dish-washing machines on the market can be divided into two types, namely household and commercial, and the household full-automatic dish-washing machines are only suitable for families and mainly comprise a cabinet type, a table type and a water tank integrated type. The commercial dish-washing machine can be divided into two main types according to the structure, namely box type and conveying type, thereby reducing the labor intensity for cooking staff in dining halls of restaurants, hotels and institutions, improving the working efficiency and enhancing the cleanness and sanitation.
Existing dish washer drying in the market is mainly divided into two types: one is to accelerate the exchange frequency of the internal air flow of the inner container and the external air flow to achieve the purpose of quick drying, but the opposite impact of the air flow causes the external air flow to enter the inner container, which is easy to cause secondary pollution of internal articles, and meanwhile, the outlet for discharging the internal steam also has excessive condensate accumulation, thus causing potential problems of overflow, condensate accumulation in the air duct and the like; the other is that the water drops are dispersed from the reserved air holes after being changed into water vapor by heating the internal air, so that the method accelerates the drying speed, but the energy consumption is too high when the time is too long and the requirements are met correspondingly, and the inner container is disinfected and sterilized at a certain temperature, but the external air is easy to enter from the reserved air holes after the heating is stopped because of the reserved air holes, so that secondary condensate water is formed in the inner container and the inner container is also secondary pollution.
Disclosure of Invention
The invention aims at solving the problems in the prior art and provides an internal circulation drying dish washer and an operation method thereof, wherein the dish washer is used for driving and circulating internal air, and the internal space is formed by combining heating evaporation moisture with heat exchange condensation drainage so as to form independent drying operation, so that external secondary pollution is avoided.
The aim of the invention can be achieved by the following technical scheme: the utility model provides an inside circulation dry dish washer, includes the casing, have the inner chamber that is used for washing dishes and dries in the casing, the front side of inner chamber sets up the door body, set up stoving circulation subassembly on the back wall of inner chamber, stoving circulation subassembly includes condensation shell and air inlet board, the condensation shell is located the outside of inner chamber back wall, the air inlet board is located the inboard of inner chamber back wall, form stoving circulation cavity between condensation shell and the air inlet board, stoving circulation cavity divide into the hot-blast chamber on upper portion and the water condensation chamber of lower part, the hot-blast chamber with the water condensation chamber is linked together by the intermediate channel, set up the impeller in the water condensation chamber, the impeller is connected by a hot-blast motor drive, the inboard of impeller forms the negative pressure district, the negative pressure district intercommunication inner chamber, the outside of impeller forms the malleation district, the back wall upper portion of water condensation chamber sets up cold water import, cold water import through pipeline intercommunication cold water pump, the back wall lower part of water condensation chamber sets up the delivery port with the malleation import with the water condensation chamber is linked together by the intermediate channel, the heating pipe is connected, the heating pipe is provided with the temperature sensing district.
In the dish washer with the internal circulation drying function, an air outlet cover is arranged on the upper portion of the air inlet plate, a plurality of air outlet holes are formed in the air outlet cover, and the air outlet holes are communicated with the hot air cavity.
In the dish washer with the internal circulation drying function, the lower part of the air inlet plate is provided with the air inlet cover, a plurality of air inlet holes are formed in the air inlet cover, and the air inlet holes are communicated with the condensation cavity.
In the above-mentioned internal circulation drying dishwasher, a pressing plate is mounted on the periphery of the condensation case, and forms a detachable fixed assembly with the rear wall of the inner chamber by means of screws.
In the dish washer with the internal circulation drying function, the upper concave shell and the lower concave shell are arranged on the condensation shell, the heating pipe and the temperature sensing probe are arranged in the upper concave shell, the impeller is arranged in the lower concave shell, the hot air motor is arranged outside the lower concave shell, and the upper concave shell and the lower concave shell are communicated through the middle channel.
In the dishwasher with internal circulation drying, two ends of the heating pipe are provided with the electrifying heads, and the electrifying heads are exposed out of the upper concave shell; the bottom of the temperature sensing probe is provided with a connector lug, and the connector lug is exposed out of the upper concave shell.
In the above-mentioned internal circulation drying dishwasher, the impeller is made of a heat conductive metal material.
A method of operating a dishwasher, comprising the steps of:
1) After the bowl and the dish are cleaned in the inner cavity of the shell, the inner cavity is filled with water vapor, and residual water drops are left on the bowl and the dish;
2) The hot air motor is started to drive the impeller to continuously rotate in a certain direction, a negative pressure area is formed on the inner side of the impeller through rotary motion, the cold water pump is synchronously started to drive cooling water to enter a positive pressure area on the outer side of the impeller through a cold water inlet, water vapor in an inner cavity enters the negative pressure area through an air inlet plate under the suction of the impeller, the impeller is used as a heat conducting medium, the cooling water in the positive pressure area absorbs the heat of the water vapor in the negative pressure area through the impeller, so that the water carried in the water vapor is condensed and gathered on the impeller, and is further thrown out through the rotary centrifugal force of the impeller, discharged through a water outlet under the action of gravity, and the cooling water after heat absorption is synchronously discharged through the water outlet;
3) The air after condensation and dehydration in the negative pressure area enters a hot air cavity through a middle channel under the rotary drive of an impeller, electric energy heat of a heating pipe is utilized to heat the air, the air is further blown into an inner cavity through an air inlet plate under the drive of the impeller, the high-temperature air is dried to heat water drops in the inner cavity into water vapor, the water vapor enters a water condensation cavity again to perform condensation and dehydration operation, then enters the hot air cavity to heat and heat, and enters the inner cavity again to form a heating and dehydration cycle until water in the inner cavity is completely removed, and bowl and dish drying effects are achieved.
According to the operation method of internal circulation drying, the air in the inner cavity of the shell and the air in the drying circulation assembly are subjected to pressure difference under the driving of the rotation of the impeller, so that the air flow is driven to form the persistence of internal circulation flow. The internal air is used as a medium for bearing water vapor, is circularly heated and condensed in the space formed by the drying and circulating assembly and the inner cavity, so that the dehydration operation of the internal circulation is formed, and the water in the inner cavity of the shell is completely discharged after a period of continuous operation.
In the above operation method, in step 3), the temperature of the air in the hot air cavity is sensed by the temperature sensing probe to form a temperature control signal feedback, so that the hot air cavity is kept within a certain temperature range, and the damage to the corresponding parts caused by the overhigh temperature in the hot air cavity is prevented.
In the above operation method, in step 2), the cooling water flowing through the positive pressure area outside the impeller forms a negative pressure area inside the impeller, but cannot enter the inner chamber of the casing through the impeller gap under the action of pressure difference.
Compared with the prior art, the dish washer with the internal circulation drying function and the operation method thereof drive and circulate the internal air, and the internal space independent drying operation is formed by combining the heating evaporation moisture and the heat exchange condensation drainage, so that the whole drying process is completely carried out in the inner container, the internal circulation is not carried out with the outside, the air exchange which can be contacted with the outside is not carried out, the secondary pollution of the inner cavity is avoided, and the drying function of the inner container of the dish washer is better completed. In addition, the safety of hot air drying is ensured by adding the temperature control and regulation function.
Drawings
Fig. 1 is a front perspective view of a dishwasher of the present internal circulation drying type.
Fig. 2 is a rear perspective view of a dishwasher of the internal circulation drying type.
Fig. 3 is a top view split perspective view of the present internal circulation drying dishwasher.
Fig. 4 is an assembled internal structural view of the present internal circulation drying dishwasher.
In the figure, 1, a shell; 2. condensing the shell; 2a, a cold water inlet; 2b, a water outlet; 3. an air inlet plate; 3a, an air outlet cover; 3b, a steam inlet cover; 4. a pressing plate; 5. a hot air motor; 6. an impeller; 7. heating pipes; 8. a temperature sensing probe.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 4, the dish washer with internal circulation drying comprises a machine shell 1, an inner cavity used for dish washing and drying is arranged in the machine shell 1, a door body is arranged at the front side of the inner cavity, a drying circulation assembly is arranged on the rear wall of the inner cavity, the drying circulation assembly comprises a condensation shell 2 and an air inlet plate 3, the condensation shell 2 is positioned at the outer side of the rear wall of the inner cavity, the air inlet plate 3 is positioned at the inner side of the rear wall of the inner cavity, a drying circulation cavity is formed between the condensation shell 2 and the air inlet plate 3, the drying circulation cavity is divided into a hot air cavity at the upper part and a condensate cavity at the lower part, the hot air cavity is communicated with the condensate cavity through a middle channel, an impeller 6 is arranged in the condensate cavity, the impeller 6 is in driving connection through a hot air motor 5, a negative pressure area is formed at the inner side of the impeller 6, a cold water inlet 2a is formed at the upper part of the condensate cavity, a cold water inlet 2 is communicated with a cold water pump through a pipeline, a water outlet 2b is formed at the lower part of the rear wall of the condensate cavity, the cold water inlet 2a and a heating pipe 2b is communicated with a positive pressure area, and a temperature sensing pipe 8 is connected with a heating pipe 7 and 7 is arranged in the hot air cavity.
The upper part of the air inlet plate 3 is provided with an air outlet cover 3a, a plurality of air outlet holes are formed in the air outlet cover 3a, and the air outlet holes are communicated with the hot air cavity.
The lower part of the air inlet plate 3 is provided with an air inlet cover 3b, and a plurality of air inlet holes are formed in the air inlet cover 3b and are communicated with the water condensation cavity.
A pressing plate 4 is arranged on the periphery of the condensation shell 2, and the pressing plate 4 and the rear wall of the inner chamber form detachable fixed assembly through screws.
The upper concave shell and the lower concave shell that the condensation shell 2 set up, heating pipe 7 and temperature sensing probe 8 set up in the upper concave shell, impeller 6 set up in the lower concave shell, and hot-blast motor 5 sets up outside the lower concave shell, is linked together through the intermediate channel between upper concave shell and the lower concave shell.
Two ends of the heating pipe 7 are provided with power-on heads which are exposed out of the upper concave shell; the bottom of the temperature sensing probe 8 is provided with a connector lug, and the connector lug is exposed out of the upper concave shell.
The impeller 6 is made of a heat conductive metal material.
A method of operating a dishwasher, comprising the steps of:
1) After the bowl and dish are cleaned in the inner cavity of the shell 1, the inner cavity is filled with water vapor, and residual water drops are left on the bowl and dish;
2) The hot air motor 5 is started to drive the impeller 6 to continuously rotate in a certain direction, a negative pressure area is formed on the inner side of the impeller 6 through rotary motion, the cold water pump is synchronously started to drive cooling water to enter a positive pressure area on the outer side of the impeller 6 through a cold water inlet 2a, water vapor in an inner cavity enters the negative pressure area through the air inlet plate 3 under the suction of the impeller 6, the impeller 6 is used as a heat conducting medium, the cooling water in the positive pressure area absorbs heat of the water vapor in the negative pressure area through the impeller 6, the water carried in the water vapor is condensed and gathered on the impeller 6, the water is thrown out through the rotary centrifugal force of the impeller 6, the water is discharged through a water outlet 2b under the action of gravity, and the cooling water after heat absorption is synchronously discharged through the water outlet 2b;
3) The air after condensation and dehydration in the negative pressure area enters a hot air cavity through a middle channel under the rotary drive of an impeller 6, electric energy heat of a heating pipe 7 is utilized to heat the air, the air is further blown into an inner cavity through an air inlet plate 3 under the drive of the impeller 6, the high-temperature air is dried to heat water drops in the inner cavity into water vapor, the water vapor enters the water condensation cavity again to perform condensation and dehydration operation, then enters the hot air cavity to heat and raise the temperature, and enters the inner cavity again to form heating and dehydration circulation until the water in the inner cavity is completely removed, and bowl and dish drying effect is realized.
According to the operation method of the internal circulation drying, the air in the inner cavity of the shell 1 and the air in the drying circulation assembly are driven by the rotation of the impeller 6 to generate pressure difference, so that the air flow is driven to form the persistence of the internal circulation flow. The internal air is used as a medium for bearing water vapor, is circularly heated and condensed in the space formed by the drying and circulating assembly and the inner cavity, so that the dehydration operation of the internal circulation is formed, and the water in the inner cavity of the shell 1 is completely discharged after a period of continuous operation.
In the step 3), the temperature of the air in the hot air cavity is sensed by the temperature sensing probe 8 to form a temperature control signal feedback, so that the hot air cavity is kept within a certain temperature range, and the damage to corresponding parts caused by the overhigh temperature in the hot air cavity is prevented.
In step 2), the cooling water flowing through the positive pressure area outside the impeller 6 forms a negative pressure area inside the impeller 6, but cannot enter the inner chamber of the casing 1 through the gap of the impeller 6 under the action of pressure difference.
The dish washer with the internal circulation drying function and the operation method thereof drive and circulate the internal air, combine the heating evaporation moisture with the heat exchange condensation drainage to form the independent drying operation of the internal space, and the whole drying process is completely carried out by the internal circulation of the liner without the contact air exchange with the outside, thereby avoiding the secondary pollution of the inner cavity and better completing the drying function of the liner of the dish washer. In addition, the safety of hot air drying is ensured by adding the temperature control and regulation function.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the housing 1 is used more herein; condensing the shell 2; a cold water inlet 2a; a water outlet 2b; an air inlet plate 3; an air outlet cover 3a; a steam inlet cover 3b; a pressing plate 4; a hot air motor 5; an impeller 6; a heating pipe 7; the use of other terms by the temperature sensing probe 8 is not precluded. These terms are used merely for convenience in describing and explaining the nature of the invention; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present invention.
Claims (10)
1. The utility model provides an inside circulation dry dish washer, includes the casing, have the inner chamber that is used for washing dishes and dries in the casing, the front side of inner chamber sets up the door body, its characterized in that, set up stoving circulation subassembly on the back wall of inner chamber, stoving circulation subassembly includes condensation shell and air inlet board, the condensation shell is located the outside of inner chamber back wall, the air inlet board is located the inboard of inner chamber back wall, form stoving circulation cavity between condensation shell and the air inlet board, stoving circulation cavity divide into the hot-blast chamber on upper portion and the water condensing chamber of lower part, the hot-blast chamber with the water condensing chamber is linked together by the intermediate channel, set up the impeller in the water condensing chamber, the impeller is connected by a hot-blast motor drive, the inboard of impeller forms the negative pressure zone, the negative pressure zone intercommunication inner chamber, the outside of impeller forms the malleation district, the back wall upper portion of water condensing chamber sets up the cold water inlet, the cold water inlet passes through the pipeline intercommunication cold water pump, the back wall lower part of water condensing chamber sets up the delivery port, the hot-blast chamber with the water condensing chamber is connected by the intermediate channel, the hot-blast chamber sets up the positive pressure zone, the heat pipe is connected as the water heating pipe, and the steam is connected in the heat pipe, and the water condensing chamber is connected as the steam.
2. The dishwasher of claim 1, wherein an air outlet cover is arranged at the upper part of the air inlet plate, a plurality of air outlet holes are formed in the air outlet cover, and the air outlet holes are communicated with the hot air cavity.
3. The dishwasher of claim 1, wherein the lower part of the air inlet plate is provided with a steam inlet cover, a plurality of steam inlet holes are formed in the steam inlet cover, and the steam inlet holes are communicated with the condensation cavity.
4. The internal circulation drying dishwasher of claim 1, wherein a pressure plate is mounted on the periphery of the condensing shell, the pressure plate forming a detachable fixed assembly with the inner chamber rear wall by means of screws.
5. The internal circulation drying dishwasher of claim 1, wherein the condensing housing comprises an upper housing and a lower housing, the heating tube and the temperature probe are disposed in the upper housing, the impeller is disposed in the lower housing, the hot air motor is disposed outside the lower housing, and the upper housing and the lower housing are communicated through the intermediate passage.
6. The internal circulation drying dishwasher of claim 5, wherein the heating pipe has an energizing head at both ends, the energizing head being exposed to the outside of the upper concave housing; the bottom of the temperature sensing probe is provided with a connector lug, and the connector lug is exposed out of the upper concave shell.
7. The internal circulation drying dishwasher of claim 1, wherein the impeller is made of a thermally conductive metallic material.
8. A method of operating a dishwasher according to claim 1, comprising the steps of:
1) After the bowl and the dish are cleaned in the inner cavity of the shell, the inner cavity is filled with water vapor, and residual water drops are left on the bowl and the dish;
2) The hot air motor is started to drive the impeller to continuously rotate in a certain direction, a negative pressure area is formed on the inner side of the impeller through rotary motion, the cold water pump is synchronously started to drive cooling water to enter a positive pressure area on the outer side of the impeller through a cold water inlet, water vapor in an inner cavity enters the negative pressure area through an air inlet plate under the suction of the impeller, the impeller is used as a heat conducting medium, the cooling water in the positive pressure area absorbs the heat of the water vapor in the negative pressure area through the impeller, so that the water carried in the water vapor is condensed and gathered on the impeller, and is further thrown out through the rotary centrifugal force of the impeller, discharged through a water outlet under the action of gravity, and the cooling water after heat absorption is synchronously discharged through the water outlet;
3) The air after condensation and dehydration in the negative pressure area enters a hot air cavity through a middle channel under the rotary drive of an impeller, electric energy heat of a heating pipe is utilized to heat the air, the air is further blown into an inner cavity through an air inlet plate under the drive of the impeller, the high-temperature air is dried to heat water drops in the inner cavity into water vapor, the water vapor enters a water condensation cavity again to perform condensation and dehydration operation, then enters the hot air cavity to heat and heat, and enters the inner cavity again to form a heating and dehydration cycle until water in the inner cavity is completely removed, and bowl and dish drying effects are achieved.
9. The operation method according to claim 8, wherein in step 3), the temperature of the air in the hot air chamber is sensed by the temperature sensing probe to form a temperature control signal feedback, so that the hot air chamber is kept within a certain temperature range, and damage to corresponding parts caused by overhigh temperature in the hot air chamber is prevented.
10. The method according to claim 8, wherein in step 2), the cooling water flowing through the positive pressure area outside the impeller forms a negative pressure area inside the impeller, and cannot enter the inner chamber of the casing through the impeller gap under the action of the pressure difference.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710427651.2A CN107137034B (en) | 2017-06-08 | 2017-06-08 | Dish washer with internal circulation drying function and operation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710427651.2A CN107137034B (en) | 2017-06-08 | 2017-06-08 | Dish washer with internal circulation drying function and operation method thereof |
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| Publication Number | Publication Date |
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| CN107137034A CN107137034A (en) | 2017-09-08 |
| CN107137034B true CN107137034B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710427651.2A Active CN107137034B (en) | 2017-06-08 | 2017-06-08 | Dish washer with internal circulation drying function and operation method thereof |
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| CN108209816A (en) * | 2018-01-16 | 2018-06-29 | 合肥岭启信息科技有限公司 | A kind of Household bowl washing device |
| CN108403061B (en) * | 2018-05-09 | 2024-02-27 | 火星人厨具股份有限公司 | Internal circulation drying system of household dish washer |
| WO2019242240A1 (en) * | 2018-06-21 | 2019-12-26 | 佛山市顺德区美的洗涤电器制造有限公司 | Drying apparatus for dishwasher and dishwasher having same |
| CN108478158B (en) * | 2018-06-21 | 2020-04-03 | 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 dish washing machine with drying device |
| CN108852242A (en) * | 2018-06-21 | 2018-11-23 | 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 |
| KR102598649B1 (en) * | 2018-08-13 | 2023-11-03 | 엘지전자 주식회사 | Dish Washer |
| CN110495844A (en) * | 2019-09-09 | 2019-11-26 | 火星人厨具股份有限公司 | A kind of dish-washing machine condensation drying system |
| CN111493782A (en) * | 2020-04-27 | 2020-08-07 | 深圳市中安动力科技有限公司 | Multifunctional tableware rapid spraying and washing device |
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| CN106618433A (en) * | 2017-02-07 | 2017-05-10 | 佛山市顺德区美的洗涤电器制造有限公司 | Drying device for dishwasher and dishwasher with drying device |
| CN207477470U (en) * | 2017-06-08 | 2018-06-12 | 火星人厨具股份有限公司 | A kind of dish-washing machine of internal cyclic drying |
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