KR100811436B1 - Electronic washing-water and rinsing-water heating method and the system of dish-washer - Google Patents

Abstract

The present invention includes the steps of sensing the temperature of the washing water and rinsing water, and if the temperature of the washing water and rinsing water is less than the first reference temperature, draining the washing water and rinsing water and re-supply hot water, and the washing and rinsing When the temperature of the water is between the first reference temperature and the second reference temperature, if the washing water and the rinsing water are drained, hot water is supplied again; if not, the water is heated by heating means, and if the temperature of the washing water and the rinsing water is When the temperature is greater than or equal to two reference temperatures, the present invention relates to a method for heating a rinse water with a heater and a pumping water in the rinse water, and a system for performing the same.

Therefore, it is possible to reduce costs by saving energy by shortening the washing time of dishes by selecting whether to drain according to the current temperature of the washing water and the rinsing water and to receive hot water again or to use the current washing water and the rinsing water after heating. will be.

Therefore, it is a very useful invention such that the convenience in use is improved and the merchandise is more improved.

Dishwasher, washing water, rinsing water, heating means, electric heater,

Description

Electronic washing-water and rinsing-water heating method and the system of dish-washer             

1 is a flow chart of the washing and rinsing water heating method of the electric dishwasher according to the present invention.

Figure 2a to 2d is a detailed flow chart of the washing water and rinsing water heating method of the electric dishwasher according to the present invention.

3 is a block diagram of a washing water and rinsing water heating system of the electric dishwasher according to the present invention.

Explanation of symbols on the main parts of the drawings

10: central processing unit 20: detection unit

21: washing water level sensor 22: rinsing water level sensor

23: washing water temperature sensor 24: rinsing water temperature sensor

30: key input unit 40: heater control unit

50: receiver side control 60: display

The present invention relates to a washing water and rinsing water heating method and system of the electric dishwasher, and more particularly, when the electric dishwasher is restarted after a certain time, selecting an efficient heating method according to the temperature of the washing water and rinsing water By reducing the washing time of the dish, it is possible to reduce the cost by reducing the washing time of the tableware by selecting whether to drain according to the current temperature of the washing water and the rinsing water and to reload the hot water or to heat the washing water and the rinsing water. It was made to be possible.

In general, the dishwasher refers to a device that automatically washes the dishes using electricity, and washes the dishes by strongly spraying the washing water and the rinsing water heated to a predetermined temperature or more.

The dishwasher is provided with a predetermined volume of the washing chamber in the casing, the upper and lower sliding doors are installed at the upper portion of the washing chamber, and a filter for filtering the residue contained in the washing water at the lower portion of the washing chamber, and a predetermined depth. Washing water storage tank having a heater for maintaining the washing water above a predetermined temperature is installed.

In addition, a rinsing water pump is installed, including a washing water pump for feeding the water in the washing tank to the rinsing nozzle to rinse the hot water (ie, rinsing water) heated by the booster to the rinsing water nozzle, as well as supplying detergent and rinse. A motor and the like are installed, and a pair of washing nozzles for rinsing water and rinsing water to the tableware are installed in the upper and lower parts of the washing chamber, and a pair of nozzles for the rinsing water are respectively provided. It is configured to be installed.

Therefore, when the user opens the door of the dishwasher, puts the dishes to be washed on the shelf, closes the door again, and turns on the operation switch, the washing water pump is driven for a predetermined time so that the water in the washing water storage tank is pumped out. Is forcibly sent by

The washing water is to wash the dishes placed on the shelf by the water pressure of the water sprayed through the water spray hole of the washing nozzle, the dishes washed with the rinsing water supplied by the rinsing water pump after a predetermined time is rinsed.

When the washing water and the rinsing water as described above is lowered below a predetermined temperature, bubbles are generated in the washing water, and these bubbles are introduced into the washing pump, so that the washing effect is lowered.

Therefore, the inside of the dishwasher is provided with a heating means composed of an electric heater for raising the temperature of the washing water and rinsing water, in particular, in the case of the electric dishwasher is used as a heating means for heating the washing water and rinsing water. .

However, when the conventional electric dishwasher is not used for a long time, the temperature of the washing water and the rinsing water is gradually lowered, and when the dishwasher is restarted, the washing water and the rinsing water must be reheated.                         

In this case, when the electric heater is driven to heat the washing water and the rinsing water, which are lowered as described above, the washing water and the rinsing water take a long time to rise to a predetermined temperature, and the washing time is long due to the washing time. There was a problem in that additional costs such as electricity costs are increased.

Therefore, an object of the present invention is to solve the conventional problems as described above, when the electric dishwasher is restarted after a certain time, to select an efficient heating method according to the temperature of the washing water and rinsing water, It is to provide a method and system for heating the rinsing water and rinsing water of an electric dishwasher to save energy by saving energy.

Another object of the present invention to provide a washing water and rinsing water heating method of the dishwasher to improve the convenience of use to improve the marketability.

Washing water and rinsing water heating method of the electric dishwasher according to the present invention for achieving the above object, the step of detecting the temperature of the washing water and rinsing water, when the temperature of the washing water and rinsing water is less than the first reference temperature, Draining the washing water and the rinsing water and re-supplying the hot water; and when the washing water and the rinsing water temperature are between the first reference temperature and the second reference temperature, the washing water and the rinsing water are supplied with the hot water again and drained. If not, the step of heating by the heating means and when the temperature of the washing water and the rinsing water is higher than the second reference temperature, the rinsing water is heated by the heater, characterized in that consisting of the step of pumping in the rinsing water.

In addition, the washing water and rinsing water heating system of the electric dishwasher according to the present invention for achieving the above object, the central processing unit for controlling the drainage, supply and heating of the washing water and rinsing water in accordance with the water level and temperature of the washing water and rinsing water And a key input unit configured to detect the water level and the temperature of the washing water and the rinsing water and transmit the same to the central processing unit, and a drain button and a heating button for washing water and rinsing water selected by the user, and the central processing unit. A heater control unit for controlling the driving of the heater by receiving a control signal from the apparatus, and a receiving valve control unit and the central processing unit for controlling on / off of the washing water hydrant valve and the rinsing water hydration valve by receiving the control signal from the central processing unit. Receives control signals from the display and displays the temperature and drainage of the wash and rinse water. The generated features.

Therefore, it is possible to save the energy required to heat the wash water and the rinsing water by selecting whether to drain the water according to the current temperature of the washing water and the rinsing water, and to reload the hot water or to use the current washing water and the rinsing water. The washing time can be shortened.

In addition, the ease of use is improved, and the merchandise is more improved.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a flow chart of the washing water and rinsing water heating method of the electric dishwasher according to the present invention, it shows that the drain and heating is selected according to the temperature of the washing water and rinsing water.

Figure 2a to 2d is a detailed flow chart of the washing water and rinsing water heating method of the electric dishwasher according to the present invention, showing a more detailed flow chart of FIG.

3 is a block diagram of the washing and rinsing water heating system of the electric dishwasher according to the present invention, the central processing unit 10, the detection unit 20, the key input unit 30, the heater control unit for performing the above method 40, the power receiver side control section 50, and the display 60.

The CPU 10 processes data according to an algorithm for performing the flowcharts of FIGS. 2A to 2D. The algorithm may be stored in a separate storage device to be loaded during operation or the CPU 10 may be loaded. It can be stored inside and operated on.

The detection unit 20 is for measuring the water level and temperature of the washing water and the rinsing water, the washing water level sensor 21 installed in the washing water storage tank to detect the level of the washing water, the rinsing water storage tank is installed in the rinsing water storage tank Rinse water level sensor 22 for detecting the washing water temperature sensor 23 for detecting the water temperature of the washing water and the rinsing water temperature sensor 24 for detecting the water temperature of the rinsing water.

The key input unit 30 is for the user to directly control various states and operations of the dishwasher, and to select various functions including driving of the dishwasher and draining of rinsing water, and inputting the setting data. Of course, the function can be added and removed as needed.                     

The heater control unit 40 is for controlling a heater (not shown) installed in the rinsing water storage tank, and receives a control signal from the central processing unit 10 to adjust the temperature of the rinsing water.

The manual valve control unit 50 controls the manual valve for supplying the washing water and the rinsing water to the wash water storage tank and the rinsing water storage tank, and receives a control signal from the central processing unit 10 to turn on and off the manual valve. Will be adjusted.

The display 60 is for displaying the current state of the dishwasher, and is composed of a time display unit 61, a drainage display lamp 62, a washing state display unit 63, and a rinse state display unit 64.

Looking at the washing water and rinsing water heating method of the electric dishwasher according to the present invention as described above, when using the dishwasher again to operate again in a state not used for a long time to operate the dishwasher through the key input unit 30, the detection unit 20, the washing water temperature sensor 23 and the rinsing water temperature sensor 24 detect the temperature of the washing water and the rinsing water stored in the washing water storage tank and the rinsing water storage tank (S101).

When the detected washing water and rinsing water temperature is lower than the first reference temperature, for example, when the washing water temperature is 35 ° C. and the rinsing water temperature is 55 ° C. or lower, waste of energy is generated when the washing water and the rinsing water are heated by an electric heater. It becomes bigger.

In other words, when low-temperature water is heated by an electric heater, power consumed until reaching a predetermined temperature increases.

Therefore, when the detected washing water and the rinsing water temperature is less than or equal to the first reference temperature, the central processing unit 10 drains the washing water and the rinsing water, and the central processing unit 10 passes through the receiving valve control unit 50. When the control signal for the ON operation of the water, the electronic valve control unit 50 turns on the washing water receiving valve and the rinsing water receiving valve to supply the hot water heated from the water heater to the washing water storage tank and the rinsing water storage tank. do.

In this case, as the drainage method of the washing water and the rinsing water, the drainage indication lamp 62 installed in the display 60 is turned on to inform the user that the washing water and the rinsing water are low in temperature and drain them manually or automatically by a drain pump. To drain.

If the detected washing water and rinsing water temperature is between the first reference temperature and the second reference temperature, for example, the washing water temperature is 35 ℃ ~ 40 ℃, rinse water temperature is 55 ℃ ~ 60 ℃ installed According to the environment and the use environment, the use of electric heater is effective and it is not. It is necessary to select a more efficient method in consideration of various conditions according to the judgment of the user.

Therefore, a separate lamp is lit to indicate that the temperature of the washing water and the rinsing water is about medium, and allows the user to select whether to drain the hot water from the hot water heater or to heat it using the electric heater.

In this case, when the user drains the washing water and the rinsing water, the user receives hot water from the water heater. If the user does not drain the washing water and the rinsing water, the electric heater is driven by the heater control unit 40.

Here, the selection of the drainage or heating of the washing water and the rinsing water is determined by the user only to drain the washing water and the rinsing water, but the user has a drain button (not shown) or a heating button (not shown) installed in the key input unit 30. ), The washing water and the rinsing water may be drained or heated, and various modifications are possible according to the needs of those skilled in the art.

And when the detected washing water and rinsing water temperature is higher than the second reference temperature, for example, when the washing water temperature is 40 ℃, the rinsing water temperature is 60 ℃ because the current temperature of the washing water and the rinsing water is used an electric heater Doing so is more efficient than receiving hot water from the water heater.

Therefore, when the detected washing water and the rinsing water temperature is greater than or equal to the second reference temperature, the central processing unit 10 heats the rinsing water with the electric heater through the heater control unit 40, and the washing water is pumped from the heated rinsing water. To be used.

Looking at the washing water and rinsing water heating method of the electric dishwasher according to the present invention as described above in more detail, when the dishwasher is operated (S201), as shown in Figure 2a to 2d (10) the central processing unit 10 is the detection unit 20 The rinsing water level sensor 22 detects the full water level of the rinsing water (S202).

If the rinsing water is not the full water level, the rinsing water supply valve for rinsing water is turned on (S203) through the water hand valve control unit 50 (S204).

At this time, the supplied rinsing water is supplied with hot water heated from the water heater, and when the rinsing water reaches the full water level (S205), the rinsing water supply valve is turned off (S206) to stop the supply of the rinsing water.                     

When the temperature of the supplied rinsing water is 55 ° C. or less, the drain display lamp 62 is turned on (S208) to drain the rinsing water (S209).

In addition, when the temperature of the rinsing water is 55 ℃ ~ 60 ℃ (S210), the drainage display lamp 62 is turned on (S211).

In this case, the central processing unit 10 drains the rinsing water when the drain is selected from the key input unit 10 (S213) by the user (S214), and when the heating is selected (S213), the heater is operated (S216). .

In addition, when the temperature of the rinsing water is 60 ° C. or more (S210), the heater is driven (S216) and heated by the heater control unit 40 until the temperature of the rinsing water becomes 90 ° C. FIG.

When the temperature of the rinsing water is heated above a predetermined temperature as described above, the central processing unit 10 detects the full water level of the washing water through the washing water level sensor 21 of the detecting unit 20 (S218).

If the wash water is not the full water level, the wash water supply valve is turned on (S219) through the water valve control unit 50 to supply the wash water (S220).

At this time, the supplied washing water is supplied with hot water heated from the water heater, and when the washing water reaches the full water level (S221), the water supply valve for washing water is turned off (S222) to stop the supply from the water heater.

When the temperature of the supplied washing water is 35 ° C. or less, the drainage display lamp 62 is turned on (S224) to supply rinsing water (S225).

When the temperature of the washing water is 35 ° C ~ 40 ° C (S226), the drainage display lamp 62 is turned on (S227).

In this case, when the drainage is selected by the user (S229), the washing water is drained (S230), and if not (S229), the rinsing water is supplied (S231).

When the temperature of the washing water is 40 ° C. or more (S232), the dish washing machine is switched to an operation for washing dishes.

Here, the drain display lamp 62 is composed of a plurality of lamps that are lit differently depending on the temperature of the washing water and the rinsing water, and can be variously applied to the type and configuration of the lamp.

In addition, the time display unit 61, which is an unexplained configuration, displays time according to the progress of each function of the dishwasher, and the washing state display unit 63 and the rinsing state display unit 64 are present together with the temperature of the washing water and the rinsing water. It is for displaying the washing and rinsing conditions of the dishes.

The present invention may be modified in various ways without departing from the basic concept according to the needs of those skilled in the art.

According to the present invention as described above, according to the present temperature of the wash water and the rinsing water and by the hot water to be re-supplied, by selecting whether to use the current wash water and rinsing water to use, It saves energy and at the same time reduces the cleaning time.                     

Therefore, it is a very useful invention such that the convenience in use is improved and the merchandise is more improved.

Claims (3)

Detecting the temperature of the washing water and the rinsing water (S101); If the temperature of the washing water and the rinsing water is less than the first reference temperature, draining the washing water and rinsing water and receiving the hot water again (S102), When the temperature of the washing water and the rinsing water is between the first reference temperature and the second reference temperature, if the washing water and the rinsing water are drained, hot water is supplied again, and if it is not drained, heating by heating means (S103); When the temperature of the washing water and the rinsing water is greater than or equal to the second reference temperature, heating the rinsing water with a heater and the washing water is pumped in the rinsing water (S104) characterized in that the washing water and rinsing water heating method of the electric dishwasher. A central processing unit (10) for controlling the drainage, supply and heating of the washing water and the rinsing water according to the level and temperature of the washing water and the rinsing water; Detecting unit 20 for detecting the water level and temperature of the washing water and rinsing water and transmitting to the central processing unit 10, A key input unit 30 including a drain button and a heating button for washing water and rinsing water selected by a user, A heater control unit 40 which receives a control signal from the central processing unit 10 and controls driving of the heater; Receiving the control signal from the central processing unit (10) the receiving valve control unit 50 for controlling the on-off of the washing water hydrant valve and the rinsing water receiver valve; Washing water and rinsing water heating system of the electric dishwasher, characterized in that consisting of a display (60) configured to receive a control signal from the central processing unit (10), including a display device for the temperature and drainage of the washing water and rinsing water. The method of claim 2, The central processing unit 10, Washing water and rinsing water of the electric dishwasher, characterized in that for controlling the heater control unit 40 and the water heater control unit 50 according to the method of claim 1 in accordance with the level and temperature of the washing water and rinsing water detected by the detection unit (20). Heating system.

Images