JP2012125496A - Dishwasher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To achieve a dishwasher for decreasing power consumption in operation, and for increasing energy-saving performance by utilizing energy of a flow of wash water in water supply, cleaning, and drain.SOLUTION: The dishwater includes: a washing tank 2 for storing dishes 9; a cleaning nozzle 7 for jetting out wash water; a wash pump 5 for supplying wash water to the cleaning nozzle 7; a water supply hose 3 for supplying wash water into the washing tank 2; a drain hose 12 for draining wash water outside the washing tank 2; at least one power generation means 14 for generating electric energy by the flow of wash water; a rechargeable battery 15 for storing electric energy generated by the power generation means 14; and a control means 16 for controlling operation by use of the electric energy stored in the rechargeable battery 15 in a cleaning process, a rinsing process, a heat-rinsing process, and a drying process after storing the electric energy, thus reducing power consumption in operation, and increasing energy-saving performance.

Description

  The present invention relates to a dishwasher that performs cleaning by spraying cleaning water onto an object to be cleaned such as tableware.

  Conventionally, a general dishwasher has been configured as shown in FIG. Hereinafter, the configuration will be described. As shown in FIG. 3, the dishwasher main body is provided with a lid (door body) 1 on the front surface and a washing tank 2 inside, and water or hot water is supplied into the washing tank 2 from a water supply hose 3 by a water supply valve 13. Like to do. A drainage hole 4 is provided at the bottom of the washing tank 2, and a washing pump 5 that is connected to the drainage hole 4 and is driven by a motor is attached. The washing pump 5 circulates washing water into the washing tank 2. is doing. The drainage hole 4 is provided with a leftover filter 6 for collecting leftovers. In addition, the liquid used for washing | cleaning and rinse of to-be-washed objects, such as tableware 9 accommodated in the washing tank 2, is called washing | cleaning water.

  That is, the cleaning water supplied into the cleaning tank 2 passes through the leftover filter 6 and is sucked into the cleaning pump 5, and is supplied from the cleaning pump 5 to the cleaning nozzle 7 provided at the inner bottom of the cleaning tank 2. The washing water sprayed from the washing nozzle 7 circulates along a route that returns to the drain hole 4 after washing the dishes 9. At this time, leftovers and the like dropped from the dishes 9 flow into the leftover filter 6 together with the washing water, and leftovers having a size that cannot pass through the leftover filter 6 are collected in the leftover filter 6.

  Further, a heater 8 for heating the cleaning water is provided between the cleaning nozzle 7 and the bottom of the cleaning tank 2, and the cleaning water is heated to a high temperature of about 50 ° C. during the cleaning. Tableware 9 can be arranged in an orderly manner above the cleaning nozzle 7, and a tableware basket 10 configured to effectively spray cleaning water onto the tableware 9 is installed for efficient cleaning. Moreover, the drainage pump 11 discharges washing water out of the machine through the drainage hose 12 (see, for example, Patent Document 1).

  The general operation sequence of the dishwasher configured as described above includes a rinsing step of rinsing the detergent components and the like adhering to the dishes with clean water after performing a washing process for removing dirt adhering to the dishes 9. The rinsing process is carried out by rinsing with clean water having a high temperature of 60 to 80 ° C. in order to carry out ˜3 times and further sanitary finish.

JP 2001-218721 A

  However, in the configuration of the conventional dishwasher, the kinetic energy of the flow when supplying or draining the cleaning water, the kinetic energy of the cleaning water ejected from the cleaning nozzle 7 when cleaning the dishes 9 and the like, and the cleaning nozzle Although there was potential energy until the washing water ejected from 7 dropped and returned to the drain hole 4, it was not utilized.

  The present invention solves the above-mentioned conventional problems, and by using the energy of the flow of cleaning water at the time of water supply, cleaning, and drainage, it reduces power consumption during operation and improves energy saving performance. The purpose is to provide a dishwasher.

  In order to achieve the above object, the dishwasher includes a washing tub for storing an object to be washed, a washing means for injecting washing water, a washing pump for supplying washing water to the washing means, and washing water. A water supply path for supplying water into the cleaning tank, a drainage path for draining the cleaning water to the outside of the cleaning tank, at least one power generation means for generating electrical energy by the flow of the cleaning water, and electrical energy generated by the power generation means And a control means for controlling operation by using the electric energy stored in the storage battery in the cleaning process, the rinsing process, the heating rinsing process, and the drying process after the storage.

  As a result, the electric energy generated by converting the energy of the flow of cleaning water at the time of water supply, cleaning, and drainage can be used in the subsequent cleaning process, rinsing process, heating rinsing process, and drying process. Power consumption can be reduced and energy saving can be improved.

  The dishwasher of the present invention comprises at least one power generation means for generating electrical energy by the flow of washing water, provided with heat storage means for storing the electric energy generated by the power generation means, and stored the electrical energy stored in the heat storage means. The dishwasher which improved energy-saving property can be provided by setting it as the structure which provided the control means which controls an operation | movement by using in a subsequent washing | cleaning process, a rinse process, a heating rinse process, and a drying process.

The longitudinal cross-sectional view of the dishwasher of Embodiment 1 of this invention Relationship diagram between the dishwasher process and water supply and drainage operations Vertical section of a conventional dishwasher

  The first invention is a cleaning tank for storing an object to be cleaned, a cleaning means for injecting cleaning water, a cleaning pump for supplying cleaning water to the cleaning means, and a water supply path for supplying the cleaning water into the cleaning tank. A drainage path for draining the cleaning water out of the cleaning tank, at least one power generation means for generating electrical energy by the flow of the cleaning water, a storage battery for storing the electrical energy generated by the power generation means, and storing in the storage battery By using a control means that controls the operation by using the electrical energy stored in the washing process, rinsing process, heating rinsing process, and drying process after storage, it is possible to supply water, wash, and drain Electric energy generated by converting from the energy of the flow of washing water can be used in subsequent washing, rinsing, heating and drying processes, reducing power consumption during operation It is kill things.

  In a second aspect based on the first aspect, the power generation means is provided in at least one of the water supply path and the drainage path, and the power generation means is electrically operated by the flow of cleaning water in at least one of water supply and drainage. By adopting a configuration for generating energy, it is possible to utilize the energy of the flow of cleaning water flowing through the water supply path and drainage path, which has not been used at all, and the power consumption during operation can be reduced.

  According to a third aspect of the present invention, in the first or second aspect of the invention, the power generation unit is provided in the cleaning tank, and the power generation unit generates electrical energy by the flow of cleaning water ejected from the cleaning unit. In this way, the cleaning water sprayed from the cleaning nozzle at the time of cleaning falls, and the electrical energy generated by converting the positional energy and kinetic energy until it returns to the drainage hole is used not only for the subsequent cleaning. Since it can be used immediately in the process, the rinsing process, the heating rinsing process, and the drying process, the effect of reducing power consumption during operation can be obtained earlier.

  In a fourth aspect based on the third aspect, the power generation means is disposed near or in the drainage hole in the cleaning tank, so that the cleaning water is pumped from the cleaning pump and sprayed from the cleaning nozzle. The position energy and kinetic energy possessed by can be used most efficiently for power generation, and the power consumption reduction effect during operation can be maximized.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
FIG. 1 is a longitudinal sectional view of the dishwasher according to Embodiment 1 of the present invention. As shown in FIG. 1, in the present embodiment, a turbine-type power generation means 14 is provided in the middle of the water supply hose 3 in the water supply path between the water supply valve 13 and the cleaning tank 2 and in the vicinity of the drain hole 4 at the bottom of the cleaning tank 2. Is provided. This power generation means 14 converts the energy of the flow of cleaning water at the time of water supply, at the time of washing, and at the time of drainage into rotational energy according to the same principle as a water turbine, and further converts the obtained rotational energy into electric energy to generate electric power. Is what you do. And the storage battery 15 which stores the electric energy generated by this waterwheel type power generation means 14 and the electric energy stored in the storage battery 15 are used in the cleaning process, the rinsing process, the heating rinsing process and the drying process after the storage. The control means 16 is provided in the dishwasher body. Other components having the same configuration as the conventional example are denoted by the same reference numerals and description thereof is omitted. The control means 16 also controls the overall operation of the dishwasher.

  About the dishwasher of this Embodiment comprised as mentioned above, the operation | movement and an effect | action are demonstrated using FIG. 1, FIG.

  The operation sequence of the dishwasher according to the present embodiment is to perform a washing process in which dirt adhering to the dishes 9 is washed away with water containing a detergent component having a high temperature of 55 ° C., and the detergent components adhering to the dishes 9 are cleaned with clean water. The rinsing process is performed twice, and for further sanitary finishing, a heating and rinsing process is performed with clean water at a high temperature of 70 ° C. Then, the drying process which dries tableware 9 is performed.

  As a water supply process executed before the washing process, the rinse process, and the heating rinse process, the water supply valve 13 operates as shown in FIG. 2, and the operation of supplying water is four times. Therefore, the water wheel of the power generation means 14 provided in the middle of the water supply hose 3 is rotated by the flow of water and can generate electric power. In the water supply process, only the water is supplied into the washing tub 2 by the power of the tap water pressure, so even if the power generation means 14 is provided, no energy is newly consumed as a dishwasher.

  In the present embodiment, the power generation means 14 is provided in the middle of the water supply hose 3 of the water supply path. However, if the power generation means 14 is also used for the drainage hose 12 that is the drainage path, the drainage pump 11 is further operated to perform cleaning. Power generation in the drainage process of draining water is increased four times, and the power generation capacity can be further improved. The power generation means 14 provided in the drainage hose 12 does not newly consume energy as a dishwasher.

  Even in the configuration in which the power generation means 14 is provided only in the drainage hose 12 that is the drainage path, the same effect as in the present embodiment can be obtained. A plurality of power generation means 14 may be provided.

Moreover, in order to wash the dishes 9 at the time of washing and rinsing, the washing water supplied from the washing pump 5 is ejected upward from the washing nozzle 7. The washing water hits the tableware 9 and the washing water hitting the tableware 9 changes its direction and falls downward. Further, a part of the washing water passes between the dishes 9 and hits the wall surface of the washing tub 2 and turns downward and falls. The dropped cleaning water gathers in the drain hole 4 and is again sucked into the cleaning pump 5 and ejected from the cleaning nozzle 7. Since the washing water is ejected to a high position, it has kinetic energy due to the ejection and has high potential energy. Therefore, when the washing water falls, almost all of the washing water flow whose potential energy is changed to kinetic energy gathers in the vicinity of the drain hole 4. Therefore, the water wheel of the power generation means 14 is rotated by the flow of the washing water and can generate power.

  The power generation means 14 is disposed in the vicinity of the drain hole 4 at the bottom of the cleaning tank 2 so that the positional energy and kinetic energy of the cleaning water pumped from the cleaning pump 5 and sprayed from the cleaning nozzle 7 are generated most efficiently. Can be used. If a sufficient space for installation and maintenance can be secured in the drain hole 4, the power generation means 14 may be disposed in the drain hole 4.

  Since the energy of this flow is energy generated by the jetting and dropping of the wash water, it does not give a new load to the wash pump 5 by rotating the water wheel of the power generation means 14. In addition, the water supply process and the drainage process are about 1 minute per time, but the washing process, the rinsing process, and the heating rinsing process are about one hour in total, so that power can be generated more efficiently.

  The generated electric energy is stored in the storage battery 15 and can be freely used by the control means 16 in the subsequent steps. Therefore, according to this Embodiment, the dishwasher which improved energy-saving property can be provided.

  In addition, in this Embodiment, although the electric power generation means 14 was provided both in the middle of the water supply hose 3 of the water supply path | route, and the inside of the washing tank 2, the same effect is acquired also by the structure used as either one.

  As described above, the dishwasher of the present invention can use the energy of the flow of the washing water that has not been used in the conventional dishwasher, and therefore energy saving is required without degrading the washing performance. It is useful as a dishwasher.

2 Washing tank 3 Water supply hose (water supply route)
4 Drain hole 5 Cleaning pump 7 Cleaning nozzle (cleaning means)
14 Power generation means 15 Storage battery 16 Control means

Claims (4)

A cleaning tank for storing an object to be cleaned; a cleaning means for injecting cleaning water; a cleaning pump for supplying cleaning water to the cleaning means; a water supply path for supplying cleaning water into the cleaning tank; A drainage path for draining outside the washing tank, at least one power generation means for generating electrical energy by the flow of cleaning water, a storage battery for storing the electrical energy generated by the power generation means, and storing the electrical energy stored in the storage battery A dishwasher comprising a control means for controlling operation by using in a subsequent washing process, a rinsing process, a heating rinsing process, and a drying process. 2. The dishwasher according to claim 1, wherein the power generation means is provided in at least one of the water supply path and the drainage path, and electrical power is generated by the power generation means by a flow of washing water in at least one of water supply and drainage. The dishwasher according to claim 1 or 2, wherein the power generation means is provided in the washing tank, and the power generation means generates electric energy by a flow of washing water ejected from the cleaning means. 4. The dishwasher according to claim 3, wherein the power generation means is disposed in the vicinity of the drain hole in the washing tank or in the drain hole.